CN105207040B - Make the crotch mould of Hooked reverser product - Google Patents

Abstract

The invention discloses the crotch mould for making Hooked reverser product, it is characterised in that：Mould includes lower template under crotch, hook device, overcoat and elastomer, overcoat upper surface is molded the conical surface provided with crotch, overcoat endoporus lays the guide way of multiple evaginations, lower guide groove is surrounded between adjacent guide way and overcoat endoporus, the hook device is movably arranged at overcoat endoporus, hook device is the cylindrical body of top tape locating rod, cylindrical body upper surface is provided with the preforming face of crotch with cylindrical junction, the cylindrical laying groove of cylindrical body, guide pad is fixed with groove, guide pad indent is cylindrical in cylindrical body, guide pad periphery surrounds guide groove with groove two sides, crotch locating slot is crossed between two adjacent guide pad sides and the preforming face of crotch, guide way is slided in upper guide groove, cylindrical body is cylindrical to be slided in lower guide groove, the bottom of hook device is by the elastomer rest.Above-mentioned mould can meet the making of small pieces spacing Hooked reverser high-efficiency and low-cost.

Description

Make the crotch mould of Hooked reverser product

The present invention is the divisional application of " Hooked reverser product, technique and mould ", the applying date of original application：2014 3 The moon 27；Application number：201410118428.6；Invention and created name：Hooked reverser product, technique and mould.

Technical field

The present invention relates to commutator product technical field, and in particular to makes Hooked reverser product mold.

Background technology

Traditional Hooked reverser, its commutator segment is formed by the direct punching of shaping drawing copper material, and commutator segment is a piece of Piece is relatively independent, and commutator segment need to be through screening process proper alignment into compacting tool set, then again in pressure when making commutator Fixation is suppressed in molding jig together with phenolic moulding powder, because screening process needs to take substantial amounts of manpower and time, commutator makes Technique seems very complicated that efficiency low cost is high.So applicant applied for the patent No. on .8 31st, 2011 201120322836.5, title《The commutation copper sheet of Hooked reverser》Patent, above-mentioned patent specification and accompanying drawing are disclosed All commutator segments are formed on same cylindricality copper shell, and the pin of rising to the bait of commutator segment is provided with two, and two pin of rising to the bait are close to crotch The left and right sides in portion is symmetrical arranged.Above-mentioned patented technology can solve the problem of commutator segment is not required to screening, but for small pieces spacing Hooked reverser for, because the hook and slot size in the middle of adjacent pellets crotch is too small, the sky of two pin of rising to the bait can not be stayed at all Between, so also needing to use conventional method, then first punching independence commutator segment carries out screening again.Therefore, above-mentioned patented technology is not The making of the Hooked reverser of small pieces spacing is applicable, at present, the producing efficiency of the Hooked reverser of small pieces spacing is low, manufacturing cost It is high.

The content of the invention

In view of the deficiencies in the prior art, the technical problem to be solved in the present invention is to be that offer one kind can high-efficiency and low-cost Meet the mould of small pieces spacing Hooked reverser.

The present invention is implemented by following technical solution：

Make the crotch mould of Hooked reverser product, it is characterised in that：It is curved including mould under mould on crotch and crotch Mould includes lower template, hook device, overcoat and elastomer under hook, and overcoat is fixed in lower template, and overcoat upper surface is connected with endoporus Position is molded the conical surface provided with crotch, and overcoat endoporus is laid to be enclosed between the guide way of multiple evaginations, adjacent guide way and overcoat endoporus Into lower guide groove, overcoat upper surface is higher than at the top of guide way, the hook device is movably arranged at overcoat endoporus, and hook device is top tape The cylindrical body of locating rod, cylindrical body upper surface is provided with the preforming face of crotch, the cylindrical laying of cylindrical body and institute with cylindrical junction State in the multiple grooves of guide way quantity identical, groove and be fixed with guide pad, guide pad indent is cylindrical in cylindrical body, guide pad Periphery and groove two sides, which are surrounded, is higher than the preforming face of crotch at the top of guide groove, guide pad, two adjacent guide pads sides with Crotch locating slot is crossed between the preforming face of crotch, guide way is slided in upper guide groove, the cylindrical slip of cylindrical body is located at down In guide groove, cylindrical body upper surface is higher than at the top of guide way, and the bottom of hook device is by the elastomer rest.Mould on the crotch Including overcoat, die shank and clamping sleeve, the bottom surface that die shank is set in outside is fixed by clamping sleeve, and commutator cylindrical is arranged with outside and is determined Jacking block is movably equipped with position hole, positioning hole, the top of jacking block sets spring.

Because crotch all very littles of small pieces spacing Hooked reverser, under wall thickness thinner case, so must avoid curved Both sides are produced when hook is molded crooked, and the mould crotch of above-mentioned technical proposal shaping tool then can effectively solve the above problems, it is this Sample carries out crotch forming action：Commutator is inverted, commutator endoporus is positioned by locating rod, the bar shaped of crotch to be formed Body is inserted into crotch locating slot, and bar shape top is against the preforming face of crotch, and bar shape both sides are spacing by guide pad side, when upper Mould is moved down, and jacking block, which pushes down commutator, first makes commutator keep stable, and as spring is compressed, commutator cylindrical enters positioning Until only staying bar shape outside in hole（Reserve the bar shape curved space）, now jacking block can not be compressed again, when upper mould continue Move down, jacking block, which can push commutator and move down and push hook device by bar shape, to be moved down, and then bar shape starts in crotch preformation Outward bending in the presence of type face is moved down, in 90 ° of bendings as bar shape continues to push hook device until close to right angle condition Bar shape initially enter overcoat endoporus, crotch shaping the conical surface in the presence of, bar shape may proceed to bending, then crotch into Type.In whole crotch forming process, bar shape both sides have guide pad or guide way spacing to its from side all the time, so bar Body will not produce crooked in crotch forming process, it is ensured that Forming Quality.

Brief description of the drawings

The present invention has drawings described below：

Fig. 1 is the structure chart of Hooked reverser product,

Fig. 2 is Fig. 1 left view,

Fig. 3 is the structure chart of cylindricality copper shell,

Fig. 4 is Fig. 3 left view,

Fig. 5 is the fabrication processing figure of Hooked reverser product,

Fig. 6 is the three-dimensional view of bar shape segmented mold,

Fig. 7 is Fig. 6 axial sectional view,

Fig. 8 is Fig. 6 partial enlarged drawing,

Fig. 9 is the three-dimensional view of crotch mould,

Figure 10 is Fig. 9 axial sectional view,

Figure 11 is Fig. 9 partial enlarged drawing.

Embodiment

As Figure 1-5, Hooked reverser product, including insulator 1 and changed in 24 of the cylindrical laying of insulator 1 To piece 2, the top of commutator segment 2 is provided with crotch 3, and the inner side of commutator segment 2 is provided with rising to the bait pin 4 and lower hook pin 5 is combined with insulator 1, commutation Piece 2 is cylindricality copper shell C before insulation between plates groove 6 is outputed, and its upper and lower side is equidistantly provided with upper bar shaped to cylindricality copper shell C before the forming Body 7 and lower bar shape 8, upper bar shape 7 are divided out internal and external parts on wall thickness direction, and interior part A forms institute after bending inwards Pin 4 of rising to the bait is stated, the crotch 3 is formed after outer portion B outward bendings, the lower entirety of bar shape 8 forms the lower hook after bending inwards Pin 5, cylindricality copper shell C is rolled by punching press copper coin material and formed.

As shown in figure 5, make the technique of above-mentioned Hooked reverser product, including step 1. strip copper coin material upper following Equidistant punching goes out upper bar shape and lower bar shape；2. strip copper coin material is rolled into cylindricality copper shell；3. descend bar shape integrally inside The lower hook pin of commutator segment is formed after bending；4. upper bar shape is divided out internal and external parts on wall thickness direction, at the same interior part to The pin of rising to the bait of commutator segment is formed after inner bending；5. pin shaping is risen to the bait in place；6. copper shell injection-compression molding together with phenolic moulding powder, bakelite Powder part forms the insulator of commutator；7. the crotch of commutator segment is formed after the outer portion outward bending of upper bar shape；8. copper shell Body outputs insulation between plates groove, commutator turning endoporus.Above-mentioned eight steps are corresponded with the eight small figure in Fig. 5.

As shown in figs 6-8, bar shape segmented mold, including the upper mould of segmentation and the lower mould of segmentation, the lower mould of segmentation include lower template 17th, locator 14, supporting plate 16, beam knife 13 and spring 22, locator 14 is in the up and down setting in the top of lower template 17, locator 14 bottom is movably arranged in the central shaft hole of locator 14 by the rest of spring 22, the beam knife 13, the knife of beam knife Mouthful 13a upward and is close to central shaft hole hole wall, and beam knife 13 is fixedly connected by padding post 21 with lower template 17, locator 14 Top is reverse taper 20, and the circumference of reverse taper 20 forms multiple elastic clamping units 24 after a plurality of axial grooving 23 is outputed, Clamping slot 25 is offered on the central shaft hole hole wall of adjacent spring clamping unit 24, the two sides of clamping slot 25 are clamping face, folder The bottom land of tight groove 25 is circumferential registration face, and the supporting plate 16 is fixedly installed in the top of lower template 17, is fixed with supporting plate 16 and institute The inner conical drogue 15 of the matching of reverse taper 20 is stated, inner conical drogue 15 is movably set in outside reverse taper 20.Mould includes cope plate in the segmentation 12 and die shank 11, die shank 11 is fixed on the top surface of cope plate 12, and the bottom surface of cope plate 12 is provided with copper shell excircle orientation hole, positioning hole Jacking block 19 is inside movably equipped with, the top of jacking block 19 sets spring 18.There is one to groove top direction between the two sides of clamping slot 25 The clamping inclination angle of 2-3 ° of inclination, the bottom land of clamping slot 25 is provided with chamfering breach 26 with side joint.

Above-mentioned mould is performed such bar shape segmentation action：Copper shell D is inverted and is put on the lower mould of segmentation, upper bar shaped Positioned in body insertion clamping slot 25, upper bar shaped outer body B wall thickness is located in clamping slot, and upper bar shaped internal body portion A wall thickness is exposed In clamping slot and it is against on the edge of a knife of beam knife 13, when upper mould is moved down, jacking block 19, which pushes down copper shell D, first makes copper shell keep steady It is fixed, as spring 18 is compressed, in the cylindrical entrance positioning holes of copper shell D, when upper mould continues to move down, the bottom surface of cope plate 12 with The top contact of locator 14 simultaneously pushes locator and moved down, under the conical surface effect of inner conical drogue 15, then elastic clamping unit 24 Radial action is produced, the two sides of clamping slot 25 start to be clamped upper bar shaped outer body, simultaneously clamp on the bottom land of groove 25 and push away Copper shell D makes copper shell center and the center alignment of beam knife 13, after bar shape is clamped completely on 25 pairs of clamping slot, now copper Housing D centers and the center of beam knife 13 are perfectly aligned（This assures all upper bar shape internal and external parts boundary line positions It is unified, with ensure the crotch of Hooked reverser and pin of rising to the bait still each have under the premise of copper coin material wall thickness is relatively thin it is sufficiently strong Degree）, in locator 14 continues folding process, bar shape in the edge of a knife 13a incisions of beam knife, part of wall thick quilt in upper bar shape Cut and dug upwardly with the upper end of beam knife 13, eventually form the pin of rising to the bait of commutator segment, and upper bar shaped outer body keeps shape The later process such as state is constant is bent to it is allowed to the crotch to form commutator segment, and segmentation action is completed.

As shown in figs. 9-11, the crotch mould of Hooked reverser product is made, including mould under mould and crotch on crotch, Mould includes lower template 39, hook device 35, overcoat 38 and elastomer 44 under crotch, and overcoat 38 is fixed in lower template 39, overcoat 38 Upper surface is molded the conical surface 43 with endoporus junction provided with crotch, and the endoporus of overcoat 38 lays the guide way 37 of multiple evaginations, adjacent Lower guide groove 47 is surrounded between guide way 37 and the endoporus of overcoat 38, the top of guide way 37 is higher than the upper surface of overcoat 38, the hook Device 35 is movably arranged at the endoporus of overcoat 38, and hook device 35 is the cylindrical body of top tape locating rod 34, cylindrical body upper surface and cylindrical rank Socket part position is provided with the preforming face 42 of crotch, the cylindrical laying of cylindrical body and the multiple grooves of quantity identical of guide way 37, groove Guide pad 36 is inside fixed with, the indent of guide pad 36 is cylindrical in cylindrical body, the periphery of guide pad 36 is surrounded with groove two sides Guide groove 46, the top of guide pad 36 is higher than the preforming face 42 of crotch, the two adjacent sides of guide pad 36 and the preforming face of crotch 42 it Between cross crotch locating slot 45, guide way 37 is slided in upper guide groove 46, and cylindrical slide of cylindrical body is located at lower guide groove 47 Interior, cylindrical body upper surface is higher than the top of guide way 37, and the bottom of hook device 35 is by the rest of elastomer 44.Mould on the crotch Including overcoat 33, die shank 31 and clamping sleeve 32, the bottom surface that overcoat 33 is located at die shank 31 is fixed by clamping sleeve 32, and overcoat 33 is set Have and jacking block 41 is movably equipped with commutator cylindrical positioning hole, positioning hole, the top of jacking block 41 sets spring 40.

Crotch mould is performed such crotch forming action：Commutator E is inverted, commutator endoporus is by locating rod 34 are positioned, the bar shape of crotch to be formed（Upper bar shaped outer body B）It is inserted into crotch locating slot 45, bar shape top is supported By the preforming face 42 of crotch, bar shape both sides are spacing by the side of guide pad 36, and when upper mould is moved down, jacking block 41 pushes down commutator first E makes commutator keep stable, as spring 40 is compressed, until only staying bar shape to exist in the cylindrical entrance positioning holes of commutator E Outside（Reserve the bar shape curved space）, now jacking block 41 can not be compressed again, when upper mould continues to move down, jacking block 41 can push and change Moved down to device and hook device 35 is push by bar shape and moved down, then bar shape starts to open in the presence of the preforming face 42 of crotch Beginning outward bending is moved down, in the bar shapes of 90 ° of bendings as bar shape continues to push hook device 35 until close to right angle condition The endoporus of overcoat 38 is initially entered, in the presence of the crotch shaping conical surface 43, bar shape also continues to bending, last crotch shaping. In whole crotch forming process, bar shape both sides have guide pad 36 or guide way 37 spacing to its from side all the time, so bar Body will not produce crooked in crotch forming process, it is ensured that Forming Quality.

Claims (2)

1. make the crotch mould of Hooked reverser product, it is characterised in that：Including mould, crotch under mould on crotch and crotch Lower mould includes lower template, hook device, overcoat and elastomer, and overcoat is fixed in lower template, and overcoat upper surface is held in the mouth with overcoat endoporus Socket part position is molded the conical surface provided with crotch, and overcoat endoporus lays multiple guide ways along overcoat endoporus radial direction evagination, adjacent to lead It is higher than overcoat upper surface at the top of lower guide groove, guide way to being surrounded between body and overcoat endoporus, the hook device is movably arranged at outer Endoporus is covered, hook device is the cylindrical body of top tape locating rod, and cylindrical body upper surface is provided with crotch with the cylindrical junction of cylindrical body Guide pad is fixed with preforming face, the cylindrical laying of cylindrical body and the multiple grooves of guide way quantity identical, groove, is led Cylindrical in cylindrical body to block indent, guide pad periphery is surrounded with groove two sides is higher than crotch at the top of guide groove, guide pad Crotch locating slot is crossed between preforming face, two adjacent guide pad sides and the preforming face of crotch, guide way is slided to be located at and above led Into groove, cylindrical body is cylindrical to be slided in the lower guide groove, cylindrical body upper surface higher than at the top of guide way, the bottom of hook device by The elastomer rest.

2. the crotch mould of Hooked reverser product is made as claimed in claim 1, it is characterised in that：On the crotch Mould includes overcoat, die shank and clamping sleeve, and the bottom surface that die shank is set in outside is fixed by clamping sleeve, and commutator cylindrical is arranged with outside Jacking block is movably equipped with positioning hole, positioning hole, the top of jacking block sets spring.