CN105655842B - Make the bar shape segmented mold of Hooked reverser product - Google Patents

Abstract

The invention discloses the bar shape segmented molds for making Hooked reverser product, it is characterised in that：Including segmentation upper mold and segmentation lower die, splitting lower die includes lower template, locator, supporting plate, beam knife and spring, locator up and down setting above lower template, the bottom of locator is by spring rests, beam knife is movably arranged in the central shaft hole of locator, the edge of a knife of beam knife upward and againsts central shaft hole hole wall, beam knife is fixedly connected with lower template, the top of locator is reverse taper, the circumference of reverse taper forms multiple elastic clamping units after a plurality of axial grooving is outputed, clamping slot is offered on the central shaft hole hole wall of adjacent spring clamping unit, the two sides of clamping slot are clamping face, the slot bottom of clamping slot is circumferential registration face, supporting plate is fixedly installed above lower template, it is fixed on supporting plate and the matched inner conical drogue of reverse taper, inner conical drogue is movably set in outside reverse taper.Above-mentioned mold can meet the making of small pieces spacing Hooked reverser high-efficiency and low-cost.

Description

Make the bar shape segmented mold of Hooked reverser product

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

Technical field

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

Background technology

Traditional Hooked reverser, its commutator segment are formed by the direct punching of shaping drawing copper material, and commutator segment is a piece of Piece is relatively independent, and when making commutator then commutator segment need to again pressed through screening process proper alignment into compacting tool set Fixation is suppressed in molding jig together with phenolic moulding powder, since screening process needs to occupy 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 attached drawing disclose All commutator segments are formed on same cylindricality copper shell, and there are two the foot of rising to the bait of commutator segment is set, two feet 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 problems, such as that commutator segment is not required to screening, but for small pieces spacing Hooked reverser for, since the hook groove size among adjacent pellets crotch is too small, can not stay the sky of two feet of rising to the bait at all Between, so also needing to using 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 in, at present, the producing efficiency of the Hooked reverser of small pieces spacing is low, manufacture cost It is high.

The content of the invention

It, can high-efficiency and low-cost the technical problem to be solved by the present invention is to be to provide one kind in view of the deficiencies in the prior art Meet the mold of small pieces spacing Hooked reverser making.

Make the bar shape segmented mold of Hooked reverser product, it is characterised in that：Including segmentation upper mold and split lower die, Splitting lower die includes lower template, locator, supporting plate, beam knife and spring, and locator up and down setting above lower template is fixed The bottom of position device is by the spring rests, and the beam knife is movably arranged in the central shaft hole of locator, the edge of a knife court of beam knife It goes up and againsts central shaft hole hole wall, beam knife is fixedly connected with lower template, and the top of locator is reverse taper, the circumference of reverse taper Multiple elastic clamping units are formed after a plurality of axial grooving is outputed, are opened on the central shaft hole hole wall of adjacent spring clamping unit Equipped with clamping slot, the two sides of clamping slot are clamping face, and the slot bottom of clamping slot is circumferential registration face, and the supporting plate is in lower template Side is fixedly installed, and is fixed on supporting plate and is movably set in the matched inner conical drogue of the reverse taper, inner conical drogue outside reverse taper.

The segmentation upper mold includes cope plate and die shank, and die shank is fixed on the top surface of cope plate, and the bottom surface of cope plate is equipped with Copper shell excircle orientation hole, jacking block is movably equipped in location hole, and the top of jacking block sets spring.

Above-mentioned mold is performed such bar shape segmentation action：Copper shell inversion is put into segmentation lower die, upper bar shaped Positioning in body insertion clamping slot, upper bar shaped outer body wall thickness are located in clamping slot, and upper bar shaped internal body portion wall thickness exposes to folder Tight slot is simultaneously against on the edge of a knife of beam knife, and when upper mold moves down, jacking block, which pushes down copper shell, first makes copper shell keep stablizing, with bullet Spring is compressed, and copper shell outer circle enters in location hole, when upper mold continues to move down, is connect at the top of the bottom surface of cope plate and locator It touches and pushes locator and move down, under the conical surface effect of inner conical drogue, then elastic clamping unit generates radial action, clamping slot Two sides start to be clamped upper bar shaped outer body, and simultaneously clamping on slot slot bottom and push copper shell makes copper shell center and rossing Knife center alignment, after clamping slot clamps upper bar shape completely, copper shell center and beam knife center are perfectly aligned at this time（This Sample ensures that the unification of all upper bar shape internal and external parts segmentation line positions, to ensure the crotch of Hooked reverser and foot of rising to the bait Still each there is sufficient intensity under the premise of copper coin material wall thickness is relatively thin）, in locator continues folding process, the knife of beam knife The upper bar shape of mouth incision, upper bar shaped internal body portion wall thickness are cut and are dug upwardly with beam knife upper end, eventually form commutation The foot of rising to the bait of piece, and the later process such as upper bar shaped outer body hold mode is constant bend it and are allowed to form the curved of commutator segment Hook, segmentation action are completed.

Preferably, there are one the clamping inclination angle that 2-3 degree is tilted to groove top direction, clamping slots for tool between clamping slot two sides Slot bottom is equipped with chamfering notch with side joint.Since before clamping slot is realized upper bar shape and is clamped, clamping slot and upper bar shaped Gap between body is larger, clamps inclination angle and is beneficial to positioning of the clamping slot to upper bar shape；Because chamfering notch can accommodate bar shaped The corner burr of body, so burr can be avoided to influence clamping of the clamping slot to upper bar shape.

Description of the drawings

The present invention has drawings described below：

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

Fig. 2 is the left view of Fig. 1,

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

Fig. 4 is the left view of Fig. 3,

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 the axial sectional view of Fig. 6,

Fig. 8 is the partial enlarged view of Fig. 6,

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

Figure 10 is the axial sectional view of Fig. 9,

Figure 11 is the partial enlarged view of Fig. 9.

Specific embodiment

As shown in Figs. 1-5, Hooked reverser product, including insulator 1 and 1 outer circle of insulator lay 24 change To piece 2,2 top of commutator segment is equipped with crotch 3, and 2 inside of commutator segment, which is equipped with, rises to the bait foot 4 and lower hook foot 5 is combined with insulator 1, commutation Piece 2 is cylindricality copper shell C before insulation between plates slot 6 is outputed, its upper and lower side is equidistantly equipped 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 inside points A forms institute after bending inwards Foot 4 of rising to the bait is stated, the crotch 3 is formed after outer portion B outward bendings, lower 8 entirety of bar shape forms the lower hook after bending inwards Foot 5, cylindricality copper shell C are rolled by punching press copper coin material.

As shown in figure 5, the technique of above-mentioned Hooked reverser product is made, including stepStrip copper coin material is upper and lower The equidistant punching in side goes out upper bar shape and lower bar shape；Strip copper coin material is rolled into cylindricality copper shell；Lower bar shape it is whole to The lower hook foot of commutator segment is formed after inner bending；Upper bar shape is divided out internal and external parts, while inside points on wall thickness direction The foot of rising to the bait of commutator segment is formed after bending inwards；Foot shaping rise to the bait in place；Copper shell injection-compression molding together with phenolic moulding powder, electricity Wood powder part forms the insulator of commutator；The crotch of commutator segment is formed after the outer portion outward bending of upper bar shape；Copper Housing outputs insulation between plates slot, commutator turning endoporus.Above-mentioned eight steps are corresponded with the eight small figure in Fig. 5.

Make the mold of above-mentioned Hooked reverser product, be applied to the bar shape segmented mold of special designing and crotch into Pattern has.

As shown in figs 6-8, bar shape segmented mold, including segmentation upper mold and segmentation lower die, segmentation lower die includes lower template 17th, locator 14, supporting plate 16, beam knife 13 and spring 22, locator 14 up and down setting, locator above lower template 17 14 bottom is movably arranged at by 22 rest of spring, the beam knife 13 in the central shaft hole of locator 14, 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 pad 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, are pressed from both sides The slot bottom of tight slot 25 is circumferential registration face, and the supporting plate 16 is fixedly installed above lower template 17, is fixed on supporting plate 16 and institute 20 matched inner conical drogue 15 of reverse taper is stated, inner conical drogue 15 is movably set in outside reverse taper 20.The segmentation upper mold includes cope plate 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 equipped with copper shell excircle orientation hole, location hole Jacking block 19 is inside movably equipped with, the top of jacking block 19 sets spring 18.To groove top direction there are one tools between 25 two sides of clamping slot The clamping inclination angle of 2-3 degree is tilted, 25 slot bottom of clamping slot is equipped with chamfering notch 26 with side joint.

Above-mentioned mold is performed such bar shape segmentation action：Copper shell D inversions are put into segmentation lower die, upper bar shaped Positioning in body insertion clamping slot 25, upper bar shaped outer body B wall thickness are located in clamping slot, and upper bar shaped internal body portion A wall thickness is exposed It in clamping slot and is against on the edge of a knife of beam knife 13, when upper mold moves down, jacking block 19, which pushes down copper shell D, first makes copper shell keep steady Fixed, as spring 18 is compressed, copper shell D outer circles enter in location hole, when upper mold continues to move down, the bottom surface of cope plate 12 with The top of locator 14 contacts and pushes locator and moves down, under the conical surface effect of inner conical drogue 15, then elastic clamping unit 24 Radial action is generated, the two sides of clamping slot 25 start to be clamped upper bar shaped outer body, simultaneously clamp on 25 slot bottom of slot and push away Copper shell D makes copper shell center and 13 center alignment of beam knife, after clamping slot 25 clamps upper bar shape completely, copper at this time Housing D centers and 13 center of beam knife 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 foot 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, upper bar shaped internal body portion wall thickness quilt It cuts and is dug upwardly with 13 upper end of beam knife, eventually form the foot of rising to the bait of commutator segment, and upper bar shaped outer body keeps shape The later process such as state is constant, which bend it, is allowed to the crotch to form commutator segment, and segmentation action is completed.

As shown in figs. 9-11, crotch molding die, including crotch upper mold and crotch lower die, crotch lower die includes lower template 39th, hook device 35, housing 38 and elastomer 44, housing 38 are fixed in lower template 39,38 upper surface of housing and endoporus convergence part Position is equipped with crotch and is molded the conical surface 43, and 38 endoporus of housing lays the guide way 37 of multiple evaginations, adjacent guide way 37 in housing 38 Lower guide groove 47 is surrounded between hole, higher than 38 upper surface of housing, the hook device 35 is movably arranged at housing 38 at guide way 37 top Endoporus, hook device 35 are the cylindrical body of top tape locating rod 34, cylindrical body upper surface and outer circle junction be equipped with crotch in advance into Type face 42, cylindrical body outer circle lay the multiple grooves identical with 37 quantity of guide way, guide pad 36 are fixed in groove, 36 indent of guide pad surrounds guide groove 46 in cylindrical body outer circle, 36 periphery of guide pad with groove two sides, and guide pad 36 pushes up Portion is higher than the preforming face 42 of crotch, and crotch locating slot 45 is crossed between two adjacent 36 sides of guide pad and the preforming face 42 of crotch, Guide way 37, which slides, to be arranged in upper guide groove 46, and cylindrical body outer circle, which is slided, to be arranged in lower guide groove 47, and cylindrical body upper surface is higher than 37 top of guide way, the bottom of hook device 35 is by 44 rest of elastomer.The crotch upper mold includes housing 33,31 and of die shank Clamping sleeve 32, the bottom surface that housing 33 is located at die shank 31 are fixed by clamping sleeve 32, and housing 33 is equipped with commutator cylindrical location hole, Jacking block 41 is movably equipped in location hole, the top of jacking block 41 sets spring 40.

Crotch molding die 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 by 36 side /V of guide pad, and when upper mold moves down, jacking block 41 pushes down commutator first E makes commutator keep stablizing, and as spring 40 is compressed, commutator E outer circles enter in location hole until only bar shape is stayed to exist Outside（Reserve the bar shape curved space）, at this time jacking block 41 cannot be compressed again, when upper mold continues to move down, jacking block 41 can push and change It is moved down to device and passes through bar shape and push hook device 35 and moved down, then bar shape starts to open under the action of the preforming face 42 of crotch Beginning outward bending is moved down, the bar shaped bent in 90 degree as bar shape continues to push hook device 35 until close to right angle condition Body initially enters 38 endoporus of housing, and under the action of crotch is molded the conical surface 43, bar shape also continues to bend, last crotch shaping. In entire crotch forming process, bar shape both sides have guide pad 36 or guide way 37 from side to its /V always, so Bar shape will not generate crooked in crotch forming process, it is ensured that Forming Quality.

Claims (1)

1. make the bar shape segmented mold of Hooked reverser product, it is characterised in that：Including segmentation upper mold and segmentation lower die, divide Cutting off mould includes lower template, locator, supporting plate, beam knife and spring, locator up and down setting above lower template, positioning The bottom of device is movably arranged at by the spring rests, the beam knife in the central shaft hole of locator, and the edge of a knife of beam knife is upward And central shaft hole hole wall is against, beam knife is fixedly connected with lower template, and the top of locator is reverse taper, and the circumference of reverse taper exists Multiple elastic clamping units are formed after outputing a plurality of axial grooving, are opened up on the central shaft hole hole wall of adjacent spring clamping unit There is clamping slot, the two sides of clamping slot are clamping face, and the slot bottom of clamping slot is circumferential registration face, and the supporting plate is above lower template It is fixedly installed, is fixed on supporting plate and is movably set in the matched inner conical drogue of the reverse taper, inner conical drogue outside reverse taper；Described point Cutting upper mold includes cope plate and die shank, and die shank is fixed on the top surface of cope plate, and the bottom surface of cope plate is equipped with copper shell excircle orientation hole, Jacking block is movably equipped in location hole, the top of jacking block sets spring；There are one incline tool to groove top direction between clamping slot two sides The clamping inclination angle of oblique 2-3 degree, clamping slot slot bottom are equipped with chamfering notch with side joint.