CN214639741U

CN214639741U - High-precision large-hole punching elastic material positioning mechanism

Info

Publication number: CN214639741U
Application number: CN202120073003.3U
Authority: CN
Inventors: 黄光祥; 雍辉; 肖勇
Original assignee: Shenzhen Fortunta Technology Co ltd
Current assignee: Shenzhen Fortunta Technology Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-11-09
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses a material positioning mechanism is pressed to high accuracy towards macropore bullet, including the upper die base, the die holder, the upper die base, the die holder distributes from top to bottom in proper order, and the bottom face fixed mounting of upper die base has the punch holder subassembly simultaneously, and the bottom face of punch holder subassembly is equipped with the backstop board, is equipped with on the backstop board simultaneously and takes off the flitch, and the backstop board, take off all seted up a plurality of upper groove in proper order in corresponding position on the flitch, and the equal fixed mounting in inside of upper groove has the upper die spring subassembly simultaneously, and the bottom face of upper die spring subassembly is equipped with the guide pillar, and the up end fixed mounting of die holder has the lower bolster. The utility model discloses in, through setting up mould spring unit, lower mould spring unit, last guide pillar, lower guide pillar, utilize last guide pillar on the mould spring unit, the lower guide pillar on the lower mould spring unit to drive the location slider and reach suitable position like this, can play fixed product position so to realized the accurate location of product, guaranteed position degree precision and ability of making.

Description

High-precision large-hole punching elastic material positioning mechanism

Technical Field

The utility model belongs to the technical field of the mould, specifically be a material positioning mechanism is pressed to high accuracy towards macropore bullet.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping, which is a press working method for obtaining a required part by applying pressure to a material at room temperature by using a die mounted on a press machine to cause separation or plastic deformation;

the conventional apparatus has the following disadvantages:

at present, three inner hole characteristics of a three-camera product are required to be 0.05mm relative to the position degree of the product appearance, the three inner hole characteristics can change along with the change of the dimensional accuracy of the CNC machining appearance manufactured at the upstream in the stamping manufacturing process, a die positioning block is difficult to fix the product to a fixed value, and the position degree of the product in the stamping process can not be adjusted to ensure the position degree accuracy of the inner hole.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that at present, the position degree of three inner hole characteristics of a three-camera product relative to the appearance of the product is required to be 0.05mm, the three inner hole characteristics can change along with the change of the size precision of the CNC machining appearance manufactured at the upstream in the stamping process, a die positioning block is difficult to fix the product to a fixed value, and the position degree of the product in the stamping process can not be adjusted to ensure the position degree precision of the inner hole.

The utility model adopts the technical scheme as follows: a high-precision large-hole punching elastic material positioning mechanism comprises an upper die base and a lower die base, wherein the upper die base and the lower die base are sequentially distributed from top to bottom, an upper clamping plate assembly is fixedly installed on the bottom end face of the upper die base, a stop plate is arranged on the bottom end face of the upper clamping plate assembly, a stripper plate is arranged on the stop plate, a plurality of upper grooves are sequentially formed in the corresponding positions on the stop plate and the stripper plate, an upper die spring assembly is fixedly installed in each upper groove, an upper guide pillar is arranged on the bottom end face of the upper die spring assembly, a lower base plate is fixedly installed on the upper end face of the lower die base, a lower die plate is arranged on the upper end face of the lower base plate, a plurality of lower grooves are sequentially formed in the corresponding positions on the lower die base plate, a plurality of sliding grooves are formed in the upper end face of the lower die plate, and a positioning slider is arranged in each sliding groove, the bottom end face of the inner portion of the lower groove is fixedly provided with a lower die spring assembly, a lower guide pillar is arranged on the top end face of the lower die spring assembly, and the top end face of the lower guide pillar is in contact with the bottom end face of the positioning sliding block.

In a preferred embodiment, a plurality of upper die punches are arranged on the upper die base, and the upper die punches are positioned between the upper die spring assembly and the upper guide pillar.

In a preferred embodiment, the height of the top end surface of the positioning slide block is higher than that of the upper end surface of the sliding groove, and the shape of the positioning slide block is 7-shaped.

In a preferred embodiment, the working force F of the upper die spring assembly is greater than the working force of the lower die spring assembly.

In a preferred embodiment, the length and the width of the upper clamping plate assembly, the stop plate, the stripper plate and the lower backing plate are the same.

In a preferred embodiment, the length, the width and the thickness of the upper die base and the lower die base are the same.

In a preferred embodiment, the four corners of the upper die base and the lower die base are provided with mounting holes, and the diameters of the mounting holes are the same.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, by arranging the upper die spring assembly, the lower die spring assembly, the upper guide pillar and the lower guide pillar, the upper guide pillar on the upper die spring assembly and the lower guide pillar on the lower die spring assembly are utilized to drive the positioning slider to reach a proper position, so that the product position can be fixed, the accurate positioning of the product is realized, and the accuracy and the manufacturing capability of the position degree are ensured;

2. the utility model discloses in, this technique is applicable to the less stamping process of metal part overall dimension and hole position accuracy requirement, and can satisfy the ability of making ≧ 1.33, popularizes and applies and can replace CNC processing thickness to be less than 0.20 mm's hole technology effectively, saves board and manpower, greatly improves production efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the connection structure of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the cross-section side-view connection structure of the present invention.

The labels in the figure are: 1. an upper die holder; 2. an upper clamp plate assembly; 3. a stopper plate; 4. a material removing plate; 5. a lower template; 6. a lower base plate; 7. a lower die holder; 8. a lower die spring assembly; 9. an upper die spring assembly; 10. positioning the sliding block; 11. an upper guide post; 12. a lower guide post; 13. a sliding groove; 14. and (7) installing holes.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a high-precision punching large-hole elastic material positioning mechanism comprises an upper die holder 1 and a lower die holder 7, wherein the upper die holder 1 and the lower die holder 7 are sequentially distributed up and down, an upper clamping plate assembly 2 is fixedly installed on the bottom end surface of the upper die holder 1, a stopping plate 3 is arranged on the bottom end surface of the upper clamping plate assembly 2, a stripper plate 4 is arranged on the stopping plate 3, a plurality of upper grooves are sequentially formed in the corresponding positions on the stopping plate 3 and the stripper plate 4, an upper die spring assembly 9 is fixedly installed in each upper groove, an upper guide pillar 11 is arranged on the bottom end surface of the upper die spring assembly 9, a lower backing plate 6 is fixedly installed on the upper end surface of the lower die holder 7, a lower backing plate 5 is arranged on the upper end surface of the lower backing plate 6, a plurality of lower grooves are sequentially formed in the corresponding positions on the lower die holder 7 and the lower backing plate 6, and a plurality of sliding grooves 13 are formed in the corresponding positions on the upper end surface of the lower backing plate 5, meanwhile, the positioning slide blocks 10 are arranged inside the sliding grooves 13, the lower die spring assembly 8 is fixedly arranged on the bottom end face of the inner portion of the lower groove, the lower guide pillar 12 is arranged on the top end face of the lower die spring assembly 8, and the top end face of the lower guide pillar 12 is in contact with the bottom end face of the positioning slide block 10 (in this way, the upper die spring assembly 9 and the lower die spring assembly 8 are utilized to drive the positioning slide blocks 10 to reach proper positions, so that the effects of fixing product positions and guaranteeing that product appearances do not fail can be achieved.

The upper die base 1 is provided with a plurality of upper die punches, and the upper die punches are positioned between the upper die spring assembly 9 and the upper guide pillar 11; the height of the top end surface of the positioning slide block 10 is higher than that of the upper end surface of the sliding groove 13, and meanwhile, the positioning slide block 10 is 7-shaped; the working force F of the upper die spring assembly 9 is greater than that of the lower die spring assembly 8, and the working force F of the upper die spring assembly 9 is greater than that of the lower die spring assembly 8, so that the positioning slide block 10 moves leftwards to the actual appearance position of a product to play a product limiting role; the length and the width of the upper clamping plate assembly 2, the stop plate 3, the stripper plate 4 and the lower base plate 6 are the same; the length, the width and the thickness of the upper die holder 1 and the lower die holder 7 are the same; mounting holes 14 are formed in four corners of the upper die base 1 and the lower die base 7, the hole diameters of the mounting holes 14 are the same, and the mounting holes 14 are used for mounting and dismounting the upper die base 1 and the lower die base 7.

Principle of operation

This technique analyzes the motion of the mold: after the punch press began to move, go up the whole downstream of mould, go up mould spring unit 9 and drive lower mould spring unit 8 of guide pillar 11 drive, lower guide pillar 12 is downward and location slider 10 is the motion left, thereby reach the actual fixed position of product, take off flitch 4 upward movement to the mould closure this moment, thereby make in the upper die base 1 go up the mould drift and accomplish and punch a hole, this in-process, because go up mould spring unit 9, lower mould spring unit 8's effect, can play fixed product position, thereby realized the accurate location of product, guarantee position degree precision and capability of making.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a material positioning mechanism is pressed to high accuracy big hole bullet, includes upper die base (1), die holder (7), its characterized in that: the die comprises an upper die base (1) and a lower die base (7) which are sequentially distributed from top to bottom, an upper clamping plate assembly (2) is fixedly installed on the bottom end face of the upper die base (1), a stop plate (3) is arranged on the bottom end face of the upper clamping plate assembly (2), a stripper plate (4) is arranged on the stop plate (3), a plurality of upper grooves are sequentially formed in the corresponding positions on the stop plate (3) and the stripper plate (4), an upper die spring assembly (9) is fixedly installed in each upper groove, an upper guide pillar (11) is arranged on the bottom end face of the upper die spring assembly (9), a lower backing plate (6) is fixedly installed on the upper end face of the lower die base (7), a lower die plate (5) is arranged on the upper end face of the lower backing plate (6), a plurality of lower grooves are sequentially formed in the corresponding positions on the lower die base (7) and the lower backing plate (6), and a plurality of sliding grooves (13) are formed in the corresponding positions on the upper end face of the lower die plate (5), meanwhile, positioning sliding blocks (10) are arranged inside the sliding grooves (13), lower die spring assemblies (8) are fixedly mounted on the bottom end faces of the inner portions of the lower grooves, lower guide pillars (12) are arranged on the top end faces of the lower die spring assemblies (8), and the top end faces of the lower guide pillars (12) are in contact with the bottom end faces of the positioning sliding blocks (10).

2. The high-precision large-hole punching and material pressing positioning mechanism of claim 1, wherein: the upper die is characterized in that a plurality of upper die punches are arranged on the upper die base (1), and the upper die punches are located between the upper die spring assembly (9) and the upper guide pillar (11).

3. The high-precision large-hole punching and material pressing positioning mechanism of claim 1, wherein: the height of the top end face of the positioning sliding block (10) is higher than that of the upper end face of the sliding groove (13), and meanwhile, the positioning sliding block (10) is 7-shaped.

4. The high-precision large-hole punching and material pressing positioning mechanism of claim 1, wherein: and the working force F of the upper die spring assembly (9) is greater than that of the lower die spring assembly (8).

5. The high-precision large-hole punching and material pressing positioning mechanism of claim 1, wherein: the length and the width of the upper clamping plate assembly (2), the stop plate (3), the stripper plate (4) and the lower backing plate (6) are the same.

6. The high-precision large-hole punching and material pressing positioning mechanism of claim 1, wherein: the length, the width and the thickness of the upper die holder (1) and the lower die holder (7) are the same.

7. The high-precision large-hole punching and material pressing positioning mechanism of claim 1, wherein: mounting holes (14) are formed in the four corners of the upper die base (1) and the lower die base (7), and the diameters of the mounting holes (14) are the same.