CN208662304U - A kind of connector punching and edge-cutting mold for combined material - Google Patents

Abstract

The utility model discloses a kind of connector punching and edge-cutting molds for combined material, including upper die holder and lower die holder, the center position of the upper die holder upper surface is welded with die shank, the jacking block of the semicircle bodily form is installed on the top pillar of the punching and edge-cutting mold, and the shaft of jacking block is tightly attached to the lower surface of swinging cavity die, jacking block is in upper and lower vertical motion, can tangent state be kept with the lower surface of swinging cavity die always, mitigate frictional strength, and avoid contact portion stress concentration cause to deform, substantially prolong the service life of swinging cavity die, and ensure the bending quality of stamping connector；And the liftout lower spring end in pipe sleeve goes elastic processing by quenching, and it screws in into screw thread spring groove, and the upper end of liftout spring is embedded in ring spring slot, play position-limiting action, ensure the stability of spring as a whole, so that spring uniform force in deformation process, substantially prolongs the service life of liftout spring.

Description

A kind of connector punching and edge-cutting mold for combined material

Technical field

The utility model belongs to stamping die technology, and in particular to a kind of connector punching press for combined material is cut Side mode tool.

Background technique

A kind of timber of combined material, metal, the plastics even assembling of nanometer materials make its entirety reach multiple material Joint effect, improves the quality of material, and increases the function of material, and general combined material needs to use connection in assembling Part is attached fixation, and connector is generally metal bent sheet, for a kind of combined material plate of multilayer, passes through metal bending Tabs clamps edge, and is bolted, and general metal bent sheet is all that generation is manufactured by stamping die, still Current connector punching and edge-cutting mold still has a little shortcoming in use.

The current connector punching and edge-cutting mold for combined material is generally composite membrane, discharging below swinging cavity die Top pillar it is generally cylindrical, it is continuous jack up and contraction process in, the head of top pillar can be with the lower surface of swinging cavity die not Disconnected friction causes top pillar head to be seriously worn and deform after long-term work, finally makes both sides swinging cavity die in punching press Asymmetry greatly reduces the connector quality of bending, and the liftout spring in general pipe sleeve is all directly to assemble, due to general The internal diameter of pipe sleeve is bigger than the diameter of spring, and liftout spring is long-term, and deformation occurs, will lead to spring and shifts in pipe sleeve, leads It causes spring stress uneven, leverages the service life of liftout spring, etc. problem and need our solutions.

Utility model content

The purpose of this utility model is to provide a kind of connector punching and edge-cutting molds for combined material, on solving It states the current connector punching and edge-cutting mold for combined material proposed in background technique and is generally composite membrane, swing recessed The top pillar of discharging is generally cylindrical below mould, in continuous jack-up and contraction process, the head meeting of top pillar and swinging cavity die Lower surface constantly rub, after long-term work, top pillar head is caused to be seriously worn and deform, finally make both sides swing it is recessed Mould is asymmetric in punching press, greatly reduces the connector quality of bending, and the liftout spring in general pipe sleeve is all directly to fill Match, since the internal diameter of general pipe sleeve is bigger than the diameter of spring, liftout spring is long-term, and deformation occurs, will lead to spring in pipe sleeve The problem of shifting, causing spring stress uneven, leverage the service life of liftout spring.

To achieve the above object, the utility model provides the following technical solutions: a kind of connector punching for combined material Shaving die, including upper die holder and lower die holder, the center position of the upper die holder upper surface is pressed to be welded with die shank, and upper die holder The center position of lower surface is equipped with punching press punch-pin by bolt, and it is convex that the rear and front end of the punching press punch-pin is provided with trimming Mould, the trimming punch are bolted on the lower surface of upper die holder, and lower die holder, institute are provided with below the upper die holder The upper surface for stating lower die holder is equipped with backing plate by bolt, and the center position of lower die holder is fitted into and is equipped with pipe sleeve, the pipe Set is internally provided with liftout spring, and the lower section of pipe sleeve is equipped with capping, the top setting of the liftout spring by bolt There is top pillar, jacking block is welded with above the top pillar, the upper surface of the backing plate, which is bolted, is equipped with trimming case platform, institute The center position for stating the upper surface of trimming case platform offers trimming mouth, and the inside of trimming case platform offers punching press chamber, described The left and right ends in the intracavitary portion of punching press are welded with die fixed seat, and the top of the die fixed seat is rotatably connected to by rotational pin Swinging cavity die.

Preferably, the jacking block is semi-circular structure, and the arcwall face of jacking block and the plane contact of swinging cavity die and tangent.

Preferably, the trimming mouth is rectangular configuration, and polishing stone has been bolted on the front and back inner wall of trimming mouth Block.

Preferably, the lower surface of the top pillar offers ring spring slot, and the upper surface of the capping offers thread bullet Spring slot.

Preferably, the width numerical value of the polishing stone is less than the half of trimming mouth inside wall height numerical value.

Compared with prior art, the utility model has the beneficial effects that this is used for the connector punching and edge-cutting of combined material The jacking block of the semicircle bodily form is installed, and the shaft of jacking block is tightly attached to the lower surface of swinging cavity die on the top pillar of mold, jacking block is upper In lower vertical motion, tangent state can be kept with the lower surface of swinging cavity die always, mitigate frictional strength, and avoid contact portion Component of stress concentration causes to deform, and substantially prolongs the service life of swinging cavity die, and ensure the bending quality of stamping connector；And it manages Liftout lower spring end in set goes elastic processing by quenching, and screws in into screw thread spring groove, and the upper end of liftout spring is embedding Enter into ring spring slot, plays position-limiting action, it is ensured that the stability of spring as a whole, so that spring stress in deformation process is equal It is even, substantially prolong the service life of liftout spring；And polishing stone is installed in trimming mouth, polishing stone and trimming mouth Inner wall is kept in the same plane, and in sheet metal trimming blanking, the trimming position of sheet metal can carry out preparatory with polishing stone Polishing, improve the smoothness on its surface, reduce the heavy burdens for subsequent polishing operation and finishing.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the punching and edge-cutting forming effect schematic diagram of the utility model；

Fig. 3 is the main view of the utility model；

Fig. 4 is the lower die holder top view of the utility model；

Fig. 5 is the upper die holder bottom view of the utility model；

Fig. 6 is that the connector of the utility model uses schematic diagram.

In figure: 1- upper die holder, 2- punching press punch-pin, 3- trimming punch, 4- die shank, 5- trimming case platform, 6- trimming mouth, 7- polishing Stone, 8- die fixed seat, 9- punching press chamber, 10- swinging cavity die, 11- backing plate, 12- lower die holder, 13- top pillar, 14- jacking block, 15- Ring spring slot, 16- liftout spring, 17- pipe sleeve, 18- capping, 19- screw thread spring groove.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-6, the utility model provides a kind of technical solution: a kind of connector punching press for combined material is cut Side mode tool, including upper die holder 1 and lower die holder 12, the center position of 1 upper surface of upper die holder are welded with die shank 4, and under upper die holder 1 The center position on surface is equipped with punching press punch-pin 2 by bolt, and the rear and front end of punching press punch-pin 2 is provided with trimming punch 3, Trimming punch 3 is bolted on the lower surface of upper die holder 1, and the lower section of upper die holder 1 is provided with lower die holder 12, lower die holder 12 Upper surface backing plate 11 is equipped with by bolt, and lower die holder 12 center position it is chimeric pipe sleeve 17 is installed, pipe sleeve 17 It is internally provided with liftout spring 16, and the lower section of pipe sleeve 17 is equipped with capping 18, the top setting of liftout spring 16 by bolt There is top pillar 13, the top of top pillar 13 is welded with jacking block 14, and the upper surface of backing plate 11, which is bolted, is equipped with trimming case platform 5, The center position of the upper surface of trimming case platform 5 offers trimming mouth 6, and the inside of trimming case platform 5 offers punching press chamber 9, punching Left and right ends inside pressure chamber 9 are welded with die fixed seat 8, and the top of die fixed seat 8 is rotatably connected to pendulum by rotational pin Dynamic cavity plate 10.

In the present embodiment, it is preferred that jacking block 14 is semi-circular structure, and the arcwall face of jacking block 14 and swinging cavity die 10 is flat Face contact and tangent, the semicircular body shaft of jacking block 14 is tightly attached to the lower surface of swinging cavity die 10, when jacking block 14 is in vertical fortune up and down In dynamic, tangent state can be kept with the lower surface of swinging cavity die 10 always, frictional strength can be mitigated, and avoid contact portion Stress concentration causes to deform, and substantially prolongs the service life of swinging cavity die 10, and ensure the bending quality of stamping connector.

In the present embodiment, it is preferred that trimming mouth 6 is rectangular configuration, and is bolted on the front and back inner wall of trimming mouth 6 Have polishing stone 7, polishing stone 7 is bonded by the hard grain of sand with zirconium oxide, can trimming to connector it is preparatory Carry out grinding process, keep its surface more smooth, reduce the heavy burdens for subsequent polishing operation and finishing, due to trimming punch 3 with 6 two sides of trimming mouth are normally clearance fit, and the connector plate under punching is to be interference fitted with 6 two sides of trimming mouth, in punching, by In clearance fit, trimming punch 3 will not be contacted with polishing stone 7, will not influence the normal work of trimming punch 3, and connector Plate then will do it Friction Sanding.

In the present embodiment, it is preferred that the lower surface of top pillar 13 offers ring spring slot 15, the upper surface of the capping 18 Screw thread spring groove 19 is offered, elastic processing, partially hardened are removed by quenching in 16 lower end of liftout spring in pipe sleeve 17, and screw in Into screw thread spring groove 19, and the upper end of liftout spring 16 is embedded in ring spring slot 15, to whole liftout spring 16 Upper and lower ends play limit and fixed function, it is ensured that liftout spring 16 whole stability, and be constantly in pipe sleeve 17 At heart position, so that the uniform force in deformation process of liftout spring 16, substantially prolongs the service life of liftout spring 16.

In the present embodiment, it is preferred that the width numerical value of polishing stone 7 is less than the half of 6 inside wall height numerical value of trimming mouth, really Protecting the smooth inner wall of trimming mouth 6 has sufficiently long height cooperation trimming punch 3 to carry out trimming work.

Working principle: when the utility model is used, it is hydraulic that the die shank 4 on upper die holder 1 is installed to top first by user In cylinder driving mechanism, and lower die holder 12 is fixed on the table using horseshoe, when metal plate is fed into upper die holder 1 and lower die When between seat 12, upper die holder 1 is in the downward punching press of hydraulic-driven power, since 3 specific impulse belling mould 2 of trimming punch will be grown, trimming punch 3 It is contacted first with metal plate, and is punched trimming, so that in the plate blanking to trimming case platform 5 under punching, and plate is from trimming When mouth 6 falls, 7 Friction Sanding of stone of and polishing mention the smoothness on surface, then plate falls in two pieces of swinging cavity dies 10 Upper surface, while upper die holder 1 continues to move downward, punching press punch-pin 2 touches plate, and punching press plate at this time, and squeezes swing Cavity plate 10 is swung along rotational pin, and until being in tiled state, and swinging cavity die 10 is during pendulum motion, can always with Jacking block 14 keeps tangent state, can mitigate frictional strength, and avoid contact portion stress concentration cause to deform, greatly prolong The service life of swinging cavity die 10, and ensure the bending quality of stamping connector, and jacking block 14 squeezes lower section by top pillar 13 Liftout spring 16 is at contraction state, while under the effect of the stamping press of punching press punch-pin 2, plate is on swinging cavity die 10 Bending forming, when upper die holder 1 resets, the connector of bending forming can add swinging cavity die 10 due to the elastic force of liftout spring 16 Swing, be sent to trimming mouth 6, staff can be pulled out, or pass through manipulator take out, entire workflow Journey terminates.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of connector punching and edge-cutting mold for combined material, including upper die holder (1) and lower die holder (12), feature exists In: the center position of upper die holder (1) upper surface is welded with die shank (4), and the center position of upper die holder (1) lower surface It is equipped with punching press punch-pin (2) by bolt, the rear and front end of the punching press punch-pin (2) is provided with trimming punch (3), described to cut Side punch-pin (3) is bolted on the lower surface of upper die holder (1), is provided with lower die holder below the upper die holder (1) (12), the upper surface of the lower die holder (12) is equipped with backing plate (11) by bolt, and the center position of lower die holder (12) is embedding Conjunction is equipped with pipe sleeve (17), and the pipe sleeve (17) is internally provided with liftout spring (16), and passes through spiral shell below pipe sleeve (17) Bolt is equipped with capping (18), is provided with top pillar (13) above the liftout spring (16), the top welding of the top pillar (13) Have jacking block (14), the upper surface of the backing plate (11), which is bolted, is equipped with trimming case platform (5), the trimming case platform (5) The center position of upper surface offer trimming mouth (6), and the inside of trimming case platform (5) offers punching press chamber (9), the punching The internal left and right ends of pressure chamber (9) are welded with die fixed seat (8), and the top of the die fixed seat (8) is turned by rotational pin It is dynamic to be connected with swinging cavity die (10).

2. a kind of connector punching and edge-cutting mold for combined material according to claim 1, it is characterised in that: described Jacking block (14) is semi-circular structure, and the plane contact of the arcwall face of jacking block (14) and swinging cavity die (10) and tangent.

3. a kind of connector punching and edge-cutting mold for combined material according to claim 1, it is characterised in that: described Trimming mouth (6) is rectangular configuration, and polishing stone (7) have been bolted on the front and back inner wall of trimming mouth (6).

4. a kind of connector punching and edge-cutting mold for combined material according to claim 1, it is characterised in that: described The lower surface of top pillar (13) offers ring spring slot (15), and the upper surface of the capping (18) offers screw thread spring groove (19)。

5. a kind of connector punching and edge-cutting mold for combined material according to claim 3, it is characterised in that: described The width numerical value of polishing stone (7) is less than the half of trimming mouth (6) inside wall height numerical value.