CN209680894U

CN209680894U - Composite step piercing die

Info

Publication number: CN209680894U
Application number: CN201920407640.2U
Authority: CN
Inventors: 黄骏; 黄平平
Original assignee: Nanjing Ningyu Intelligent Machinery Co Ltd
Current assignee: Nanjing Ningyu Intelligent Machinery Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2019-11-26
Anticipated expiration: 2029-03-29

Abstract

The utility model belongs to punching die technical field, in particular a kind of composite step piercing die, it is low for existing punching die demoulding efficiency, the problem of be easy to causeing deformation of products, now propose following scheme, it includes cope plate and the lower template below cope plate, the bottom thread of cope plate is fixed with upper die holder, the screw top of lower template is fixed with die socket, the bottom side of upper die holder, which is screwed, mesoporous formed punch, discharge component is slidably fitted on cope plate, the bottom side of discharge component, which extends to the lower section of cope plate and is screwed, stripper, the bottom side of upper die holder is connected with screw hole formed punch.The utility model is designed reasonably, positioning, the reinforcement of compound concave die outer ring and formed punch sublevel ladder type blanking mechanism step by step is adjusted using the nitrogen gas spring material returned, reliable and stable four, have the feature that positioning accuracy is high, stability is good, the service life is long, convenient to use, is suitable for flow line production.

Description

Composite step piercing die

Technical field

The utility model relates to punching die technical field more particularly to a kind of composite step piercing dies.

Background technique

Mold, in industrial production to be molded, be blow molded, squeeze out, die casting or the methods of forging and forming, smelting, punching press obtain The various moulds and tool of required product.It mainly realizes adding for article shape by the change of physical state of the formed material Work.Such as disclose a kind of stepped hole piercing die application No. is 201821141624.5 patent document, including punch assemblies and Cavity plate component is equipped with guiding mechanism between punch assemblies and cavity plate component；Punch assemblies include mould bases upper plate, mould bases upper plate bottom It is fixed with punch retainer, punch retainer is fixed with the punch-pin being adapted to the aperture of stepped hole；Cavity plate component includes mould bases Lower plate, mould bases lower plate top are fixed with die block, and die block is equipped with die plate insert, can stamp out through-hole simultaneously And counterbore simplifies processing work the technical issues of solving and be merely able to first stamp out through-hole in the prior art, reprocess counterbore Sequence improves processing efficiency, reduces costs.

But existing punching die plate in demoulding is easy to be bonded on mold, so that demoulding efficiency is low, is easy Deformation of products is caused, reduces product quality, therefore we have proposed composite step piercing dies for solving the above problems.

Utility model content

Purpose of the utility model is to solve existing punching die demoulding efficiencies lowly, be easy to cause deformation of products The shortcomings that, and the composite step piercing die proposed.

To achieve the goals above, the utility model adopts the technical scheme that

Composite step piercing die, the lower template including cope plate and below cope plate, the bottom spiral shell of the cope plate Line is fixed with upper die holder, and the screw top of the lower template is fixed with die socket, during the bottom side of the upper die holder is screwed and has Hole formed punch is slidably fitted with discharge component on the cope plate, and the bottom side of the discharge component extends to the lower section of cope plate simultaneously Being screwed has stripper, and the bottom side of the upper die holder is connected with screw hole formed punch, and the outside of the screw hole formed punch is living It moves and is arranged with screw hole punch fixing plate, the bottom other side of the screw hole punch fixing plate and upper die holder is screwed, described to unload Flitch is slidably located in the outside of mesoporous formed punch and screw hole formed punch, and the screw top of the die socket is fixed with compound concave die, institute The top side for stating lower template, which is screwed, positioning seat, and the top side of the positioning seat, which is screwed, locating piece, described Positioning seat is screwed far from the side of die socket positioning support plate, is fixedly connected between the positioning support plate and locating piece There is the same Rectangular Spring, the bottom side of the cope plate is fixedly connected with one end of nitrogen gas spring, the nitrogen gas spring It is in contact at the top of the other end and stripper, the bottom other side of the cope plate is screwed and has guide pillar seat, the lower template The top other side be screwed and have guide sleeve seat.

Preferably, the guide pillar seat is located at the side of the remotely located seat of die socket, and the inside sliding of the guide pillar seat is arranged There is guide post, the outside sliding sleeve of guide post is equipped with wear-resisting guide sleeve, guide post pressing plate, work stop collar and storage stop collar, the guide sleeve The screw top of seat is fixed on wear-resisting guide sleeve, and guide sleeve seat sliding sleeve is equipped in the outside of wear-resisting guide sleeve, the guide post pressing plate Screw top be fixed on the bottom of guide pillar seat, guide post has guiding role, for avoiding occurring between cope plate and lower template Mistake.

Preferably, the outside movable sleeve of the compound concave die is equipped with compound concave die guard ring, and compound concave die guard ring screw thread is solid It is scheduled on the top of die socket, compound concave die guard ring avoids compound concave die from expanding deformation for limiting compound concave die.

Preferably, the bottom side of the cope plate, which is screwed, nitrogen gas spring fixing seat, the nitrogen gas spring activity It is set in the inside of nitrogen gas spring fixing seat, nitrogen gas spring is mounted on cope plate by nitrogen gas spring fixing seat.

Preferably, the top movable of the screw hole punch fixing plate is placed with screw hole formed punch backing plate, and screw hole formed punch backing plate Top and upper die holder bottom movable contact, screw hole formed punch backing plate plays buffer function.

Preferably, the inside thread of the upper die holder is fixed with mesoporous formed punch positioning pin, and mesoporous formed punch positioning pin is outer The inside movable contact of side and mesoporous formed punch, mesoporous formed punch positioning pin is for mesoporous formed punch to be accurately mounted in upper die holder.

Preferably, the two sides of the lower template are welded with support base, and hydraulic cylinder is welded at the top of support base, hydraulic It is welded with top plate on the piston rod of cylinder, and two top plates side close to each other is mutually welded with the two sides of cope plate respectively, it is hydraulic Cylinder carries out elevating movement for providing driving cope plate.

In the utility model, the composite step piercing die is solid by cope plate, discharge component, stripper, screw hole formed punch It is fixed board, screw hole formed punch backing plate, upper die holder, mesoporous formed punch positioning pin, mesoporous formed punch, screw hole formed punch, lower template, die socket, compound Cavity plate and compound concave die guard ring match, and plate is placed on die socket, and cope plate drives upper die holder to be pressed down against plate, upper During die holder drives mesoporous formed punch and stripper to move down, when stripper is with web contact, between stripper and plate Keeping opposing stationary, mesoporous formed punch moves down on the inside of stripper, i.e., stripper is being moved up relative to mesoporous formed punch, Nitrogen gas spring is gradually squeezed by stripper to compressive state at this time；

By nitrogen gas spring, nitrogen gas spring fixing seat, positioning support plate, Rectangular Spring, positioning seat, locating piece, guide sleeve seat, Wear-resisting guide sleeve, guide post, guide post pressing plate, guide pillar seat, work stop collar and storage stop collar match, and screw hole punch fixing plate is mobile To when contacting with stripper, stripper and mesoporous formed punch move down jointly and carry out punching press to plate, and screw hole formed punch is slid downwardly into Into compound concave die, discharge component vertical sliding motion, guide post vertical sliding motion in wear-resisting guide sleeve and guide pillar seat in cope plate guarantees It will not misplace between cope plate and lower template, when carrying out the material returned, cope plate is gradually disengaged with lower template upwards, nitrogen bullet The elastic force of spring pushes stripper and applies downward thrust to stripper, moves down stripper relative to mesoporous formed punch, unloads Flitch limits the position of plate, so that plate will not be moved upwardly together with mesoporous formed punch, realization plate is fast with mesoporous formed punch Speed separation；

The utility model is designed reasonably, using the nitrogen gas spring material returned, reliable and stable four adjustable positioning, compound concave dies Outer ring reinforces and formed punch sublevel ladder type blanking mechanism step by step, has that positioning accuracy is high, stability is good, the service life is long, user Just quick feature is suitable for flow line production.

Detailed description of the invention

Fig. 1 be the utility model proposes composite step piercing die structural schematic diagram；

Fig. 2 be the utility model proposes composite step piercing die overlooking structure diagram.

In figure: 1 cope plate, 2 discharge components, 3 strippers, 4 screw hole punch fixing plates, 5 screw hole formed punch backing plates, 6 upper die holders, 7 mesoporous formed punch positioning pins, 8 mesoporous formed punches, 9 screw hole formed punches, 10 nitrogen gas springs, 11 nitrogen gas spring fixing seats, 12 positioning support plates, 13 Rectangular Springs, 14 positioning seats, 15 locating pieces, 16 lower templates, 17 die sockets, 18 compound concave dies, 19 compound concave die guard rings, 20 are led Block set, 21 wear-resisting guide sleeves, 22 guide posts, 23 guide post pressing plates, 24 guide pillar seats, 25 work stop collars, 26 storage stop collars, 27 supports Seat, 28 hydraulic cylinders, 29 top plates.

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.

Referring to Fig.1-2, composite step piercing die, the lower template 16 including cope plate 1 and positioned at 1 lower section of cope plate, upper mold The bottom thread of plate 1 is fixed with upper die holder 6, and the screw top of lower template 16 is fixed with die socket 17, the bottom side screw thread of upper die holder 6 It is fixed with mesoporous formed punch 8, discharge component 2 is slidably fitted on cope plate 1, the bottom side of discharge component 2 extends under cope plate 1 Side is simultaneously screwed and has stripper 3, and the bottom side of upper die holder 6 is connected with screw hole formed punch 9, and the outside of screw hole formed punch 9 is living Dynamic to be arranged with screw hole punch fixing plate 4, screw hole punch fixing plate 4 and the bottom other side of upper die holder 6 are screwed, stripper 3 Be slidably located in the outside of mesoporous formed punch 8 and screw hole formed punch 9, and the screw top of die socket 17 is fixed with compound concave die 18, lower die The top side of plate 16, which is screwed, positioning seat 14, and the top side of positioning seat 14, which is screwed, locating piece 15, positioning seat 14 sides far from die socket 17, which are screwed, positioning support plate 12, is fixedly connected between positioning support plate 12 and locating piece 15 Have a same Rectangular Spring 13, the bottom side of cope plate 1 is fixedly connected with one end of nitrogen gas spring 10, nitrogen gas spring 10 it is another One end is in contact with the top of stripper 3, and the bottom other side of cope plate 1, which is screwed, guide pillar seat 24, the top of lower template 16 The portion other side, which is screwed, guide sleeve seat 20.

In the utility model, guide pillar seat 24 is located at the side of the remotely located seat 14 of die socket 17, the interior sideslip of guide pillar seat 24 Dynamic to be arranged with guide post 22, the outside sliding sleeve of guide post 22 is equipped with wear-resisting guide sleeve 21, guide post pressing plate 23, work stop collar 25 and storage Stop collar 26, the screw top of guide sleeve seat 20 are fixed on wear-resisting guide sleeve 21, and 20 sliding sleeve of guide sleeve seat is equipped in wear-resisting guide sleeve 21 outside, the screw top of guide post pressing plate 23 are fixed on the bottom of guide pillar seat 24, and guide post 22 has guiding role, for avoiding There is mistake between cope plate 1 and lower template 16.

In the utility model, the outside movable sleeve of compound concave die 18 is equipped with compound concave die guard ring 19, and compound concave die guard ring 19 are threadedly secured in the top of die socket 17, and compound concave die guard ring 19 avoids compound concave die 18 from sending out for limiting compound concave die 18 Raw dilatancy.

In the utility model, the bottom side of cope plate 1, which is screwed, nitrogen gas spring fixing seat 11, and nitrogen gas spring 10 is living The dynamic inside for being set in nitrogen gas spring fixing seat 11, nitrogen gas spring 10 are mounted on cope plate 1 by nitrogen gas spring fixing seat 11.

In the utility model, the top movable of screw hole punch fixing plate 4 is placed with screw hole formed punch backing plate 5, and screw hole formed punch The top of backing plate 5 and the bottom movable contact of upper die holder 6, screw hole formed punch backing plate 5 play buffer function.

In the utility model, the inside thread of upper die holder 6 is fixed with mesoporous formed punch positioning pin 7, and mesoporous formed punch positioning pin 7 Outside and mesoporous formed punch 8 inside movable contact, mesoporous formed punch positioning pin 7 is used to mesoporous formed punch 8 being accurately mounted on upper mold In seat 6.

In the utility model, the two sides of lower template 16 are welded with support base 27, and the top of support base 27 is welded with liquid Cylinder pressure 28, is welded with top plate 29 on the piston rod of hydraulic cylinder 28, and two top plates 29 side close to each other respectively with cope plate 1 Two sides mutually weld, hydraulic cylinder 28 for provide driving cope plate 1 carry out elevating movement.

In the utility model, when in use, control switch is set on two hydraulic cylinders 28, enables two hydraulic cylinders 28 Enough while elevating movement is carried out, hydraulic cylinder 28 is used to provide power for cope plate 1, and plate to be punched is placed in die socket 17 On, cope plate 1 is declined under the driving effect of hydraulic cylinder 28 and upper die holder 6 is driven to be pressed down against plate, in 6 band of upper die holder During dynamic mesoporous formed punch 8 and stripper 3 move down, when stripper 3 and web contact, stripper 3 and plate at this time Between keep opposing stationary, mesoporous formed punch 8 beginning moved down in the inside of stripper 3, i.e., stripper 3 is relative to mesoporous formed punch 8 are moving up, and nitrogen gas spring 10 is gradually squeezed by stripper 3 to compressive state, when screw hole punch fixing plate 4 is moved at this time When contacting with stripper 3, stripper 3 and mesoporous formed punch 8 move down jointly carries out punching press to plate, at this time screw hole formed punch 9 to Under slide into compound concave die 18, in the process, discharge component 2 in cope plate 1 vertical sliding motion, guide post 22 in wear-resisting guide sleeve 21 and guide pillar seat 24 in vertical sliding motion, guarantee to misplace between cope plate 1 and lower template 16, when carrying out the material returned, on Template 1 is gradually disengaged with lower template 16 upwards, at this time nitrogen gas spring 10 elastic force push stripper 3 and to stripper 3 apply to Under thrust so that stripper 3 is moved down relative to mesoporous formed punch 8, stripper 3 limits the position of plate, so that plate is not It can be moved upwardly together with mesoporous formed punch 8, realize the quick separating of plate and mesoporous formed punch 8.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. composite step piercing die, including cope plate (1) and the lower template (16) being located at below cope plate (1), the cope plate (1) bottom thread is fixed with upper die holder (6), and the screw top of the lower template (16) is fixed with die socket (17), it is described on The bottom side of die holder (6), which is screwed, mesoporous formed punch (8), which is characterized in that is slidably fitted with discharging group on the cope plate (1) Part (2), the bottom side of the discharge component (2), which extends to the lower section of cope plate (1) and is screwed, to be had stripper (3), it is described on The bottom side of die holder (6) is connected with screw hole formed punch (9), and the outside movable sleeve of the screw hole formed punch (9) is rushed equipped with screw hole Head fixed plate (4), the screw hole punch fixing plate (4) and the bottom other side of upper die holder (6) are screwed, the stripper (3) be slidably located in the outside of mesoporous formed punch (8) and screw hole formed punch (9), and the screw top of the die socket (17) is fixed with multiple It closes cavity plate (18), the top side of the lower template (16) is screwed and has positioning seat (14), the top of the positioning seat (14) Side, which is screwed, to be had locating piece (15), and the positioning seat (14) is screwed far from the side of die socket (17) positioning support Plate (12) is fixedly connected with the same Rectangular Spring (13) between the positioning support plate (12) and locating piece (15), it is described on The bottom side of template (1) is fixedly connected with one end of nitrogen gas spring (10), the other end of the nitrogen gas spring (10) and discharging Plate is in contact at the top of (3), and the bottom other side of the cope plate (1) is screwed and has guide pillar seat (24), the lower template (16) the top other side, which is screwed, guide sleeve seat (20).

2. composite step piercing die according to claim 1, which is characterized in that the guide pillar seat (24) is located at die socket (17) the inside sliding sleeve of the side of remotely located seat (14), the guide pillar seat (24) is equipped with guide post (22), outside guide post (22) Slideslip is arranged with wear-resisting guide sleeve (21), guide post pressing plate (23), work stop collar (25) and storage stop collar (26), the guide sleeve The screw top of seat (20) is fixed on wear-resisting guide sleeve (21), and guide sleeve seat (20) sliding sleeve is equipped in the outer of wear-resisting guide sleeve (21) The screw top of side, the guide post pressing plate (23) is fixed on the bottom of guide pillar seat (24).

3. composite step piercing die according to claim 1, which is characterized in that the outside activity of the compound concave die (18) It is arranged with compound concave die guard ring (19), and compound concave die guard ring (19) is threadedly secured in the top of die socket (17).

4. composite step piercing die according to claim 1, which is characterized in that the bottom side spiral shell of the cope plate (1) Line is fixed with nitrogen gas spring fixing seat (11), and the nitrogen gas spring (10) is movably set in the interior of nitrogen gas spring fixing seat (11) Side.

5. composite step piercing die according to claim 1, which is characterized in that the top of the screw hole punch fixing plate (4) Portion's activity is placed with screw hole formed punch backing plate (5), and the bottom movable contact at the top of screw hole formed punch backing plate (5) and upper die holder (6).

6. composite step piercing die according to claim 1, which is characterized in that the inside thread of the upper die holder (6) is solid Surely there are mesoporous formed punch positioning pin (7), and the inside movable contact in the outside of mesoporous formed punch positioning pin (7) and mesoporous formed punch (8).

7. composite step piercing die according to claim 1, which is characterized in that weld the two sides of the lower template (16) Have support base (27), and be welded with hydraulic cylinder (28) at the top of support base (27), is welded with top on the piston rod of hydraulic cylinder (28) Plate (29), and two sides of two top plates (29) side close to each other respectively with cope plate (1) are mutually welded.