CN214556763U

CN214556763U - Drawing chamfering compound die

Info

Publication number: CN214556763U
Application number: CN202120708121.7U
Authority: CN
Inventors: 张楠; 郑地多; 王慧生; 牟同华; 朱军卫
Original assignee: Zhejiang Fengchi Mechanical Co ltd
Current assignee: Zhejiang Fengchi Mechanical Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-02
Anticipated expiration: 2031-04-07

Abstract

The utility model provides a tensile chamfer compound die belongs to mould technical field. The method solves the problem that the middle hole of a product is not deformed by adopting a chamfering procedure in the blanking of a mounting hole and a middle hole composite procedure. The stretching chamfering compound die comprises a die frame consisting of a die base, a die top seat and a guide sleeve guide pillar, wherein a lower fixing plate is arranged on the die base, a lower base plate is arranged at the top of the lower fixing plate, a female die is arranged on the lower base plate, a base plate assembly consisting of a first upper base plate and a second upper base plate is arranged on the die top seat, a male die corresponding to the female die is arranged below the base plate assembly, a male die base plate for mounting the male die is arranged at the bottom of the base plate assembly, and a material pushing plate is arranged at the position, corresponding to the male die, in the lower base plate. The utility model has the advantages of realize tensile chamfer compound die after, the mounting hole also can be blanking together with mesopore process one to make the indeformable in product mesopore.

Description

Drawing chamfering compound die

Technical Field

The utility model belongs to the technical field of the mould, a tensile chamfer compound die is related to.

Background

The punching process is not only multiple in process, but also complex in circulation process, and the concentricity of the product is not as good as that the mounting hole and the middle hole are punched together. Therefore, how to punch the mounting hole and the middle hole in a composite process, and not to deform the middle hole of a product after the chamfering process is just needed to solve at present.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a process few, efficient, the product precision is high and realize tensile chamfer compound die after, the tensile chamfer compound die of blanking also can be together to mounting hole and mesopore process.

The purpose of the utility model can be realized by the following technical proposal: a drawing chamfering compound die comprises a die frame consisting of a die base, a die top seat and a guide sleeve guide post, and is characterized in that a lower fixing plate is arranged on the die base, a lower base plate is arranged at the top of the lower fixing plate, a female die is arranged on the lower base plate, a base plate assembly consisting of a first upper base plate and a second upper base plate is arranged on the die top seat, a male die corresponding to the female die is arranged below the base plate assembly, a male die base plate for mounting the male die is arranged at the bottom of the base plate assembly, a material pushing plate is arranged at the position, corresponding to the male die, in the lower base plate, the bottom of the material pushing plate is provided with a material pushing plate base plate for abutting against the material pushing plate, a positioning clamp cushion block is arranged in the middle of the die top seat, an upper positioning clamp fixed with the positioning clamp cushion block is arranged at the bottom of the positioning clamp cushion block, and the tail end of the upper positioning clamp sequentially passes through the base plate assembly and the male die base plate and extends into the male die, the middle part of the material pushing plate is provided with a lower positioning clamp corresponding to the upper positioning clamp, and a material pressing plate is arranged between the female die and the backing plate component.

In the stretching chamfering compound die, the material pushing plate and the material pushing plate base plate are internally provided with chamfering heads with double cutting edges at the head parts, and the convex die is internally provided with a boss corresponding to the chamfering head.

In the stretching chamfering compound die, the top of the lower fixing plate is provided with an upper concave table, and a chamfering head base plate for mounting a chamfering head is arranged in the upper concave table.

In the stretching chamfering compound die, the bottom of the male die base plate is provided with a concave platform, and a boss base plate which is abutted against the male die is arranged in the concave platform.

In the stretching chamfer compound die, a nitrogen spring is arranged in the backing plate component.

In the stretching chamfering compound die, the die base is internally provided with the ejector rod, and the head of the ejector rod passes through the lower fixing plate and extends into the material pushing plate base plate to be abutted against the bottom of the material pushing plate.

In the stretching chamfering compound die, the male die is in transition fit with the upper positioning clamp, the material pushing plate is in sliding fit with the lower positioning clamp, and the lower base plate is in transition fit with the lower positioning clamp.

In the stretching chamfering compound die, the pressure plate and the base plate assembly are fixed through equal-height bolts, the male die base plate, the boss base plate and the male die are fixed through a first fixing bolt, the base plate assembly and the male die base plate are fixed through a second fixing bolt, the female die, the lower base plate and the lower fixing plate are fixed through a third fixing bolt, the lower fixing plate and the die base are fixed through a fourth fixing bolt, the positioning clamp cushion block and the upper positioning card are fixed through a fifth fixing bolt, and the lower fixing plate and the lower positioning card are fixed through a sixth fixing bolt.

Compared with the prior art, the stretching chamfer compound die has the following advantages:

1. the composite die combines the stretching and chamfering in one process, saves multiple circulation of products, and correspondingly improves the material utilization rate;

2. the original installation hole punching must be carried out separately, and after the chamfer compound die is stretched, the installation hole and the middle hole can be punched together, so that the comprehensive efficiency is obviously improved compared with that of a single process;

3. the positioning of each procedure of the prior product is to manufacture the product backer of each procedure, the prior procedures are reduced from four to two, and the precision of the product is greatly improved;

4. all operations can be completed by only two operators, so that the labor force and the personnel cost are reduced;

5. the original chamfering process is to strongly extrude a product by adopting a chamfering head after the installation hole is punched, the chamfering head fine punching size is generally reserved in the punching of the installation hole, the drawing size is achieved by finely punching the installation hole through the chamfering head, but burrs are easily generated on the chamfer after the chamfering head is worn or the material is changed, a grinder is required to grind the burrs, and the problem of burr generation is greatly reduced by the existing blanking process after the chamfering compound die is stretched;

6. the tensile chamfer is formed in one step, so that the load strength of the mounting hole is greatly increased, and the strength test of a product is better.

Drawings

FIG. 1 is a schematic sectional view of the drawing and chamfering composite die.

In the figure, 1, a mold base; 2. a die top seat; 3. a guide sleeve guide post; 4. a lower fixing plate; 5. a lower base plate; 6. a female die; 7. a first upper base plate; 8. an upper backing plate II; 9. a male die; 10. a male die backing plate; 11. a material pushing plate; 12. a material pushing plate backing plate; 13. positioning the clamp cushion block; 14. an upper positioning card; 15. a lower positioning card; 16. a material pressing plate; 17. chamfering the head; 18. a boss; 19. chamfering head backing plates; 20. a boss backing plate; 21. a nitrogen spring; 22. a top rod; 23. equal height bolts.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figure 1, the drawing chamfer compound die comprises a die frame consisting of a die base 1, a die top seat 2 and a guide sleeve guide post 3, wherein a lower fixing plate 4 is arranged on the die base 1, a lower cushion plate 5 is arranged at the top of the lower fixing plate 4, a female die 6 is arranged on the lower cushion plate 5, a cushion plate component consisting of a first upper cushion plate 7 and a second upper cushion plate 8 is arranged on the die top seat 2, a male die 9 corresponding to the female die 6 is arranged below the cushion plate component, a male die cushion plate 10 for mounting the male die 9 is arranged at the bottom of the cushion plate component, a material pushing plate 11 is arranged at the position corresponding to the male die 9 in the lower cushion plate 5, a material pushing plate cushion plate 12 for abutting against the material pushing plate 11 is arranged at the bottom of the material pushing plate 11, the material pushing plate 11 is used for pushing out products and is suitable for product dies with complex shapes, a positioning clamp cushion block 13 is arranged at the middle part of the die top seat 2, an upper positioning clamp 14 fixed with the positioning clamp cushion block 13 is arranged at the bottom of the positioning clamp, the tail end of the upper positioning clamp 14 sequentially passes through the cushion plate component and the male die cushion plate 10 and extends into the male die 9, the middle part of the material pushing plate 11 is provided with a lower positioning clamp 15 corresponding to the upper positioning clamp 14, a material pressing plate 16 is also arranged between the female die 6 and the cushion plate component, a chamfer head 17 with double cutting edges at the head part is arranged in the material pushing plate 11 and the material pushing plate cushion plate 12, a boss 18 corresponding to the chamfer head 17 is arranged in the male die 9, the product mounting hole controls the shape fluctuation forming of a reinforcing socket of a product by changing the height of the boss 18, the boss 18 is in an insert type, the debugging and replacement are convenient, the top of the lower fixing plate 4 is provided with an upper concave platform, a chamfer head cushion plate 19 for mounting the chamfer head 17 is arranged in the upper concave platform, the bottom of the male die cushion plate 10 is provided with a lower concave platform, a boss cushion plate 20 abutting against the male die 9 is arranged in the lower concave platform, and a nitrogen spring 21 is arranged in the cushion plate component, the nitrogen spring 21 pushes out a product from top to bottom, a top rod 22 is arranged in the die base 1, the head of the top rod 22 passes through the lower fixing plate 4 and extends into the material pushing plate backing plate 12 to be abutted against the bottom of the material pushing plate 11, the top rod 22 pushes out the material pushing plate 11 from bottom to top, the male die 9 is in transition fit with the upper positioning clamp 14, the material pushing plate 11 is in sliding fit with the lower positioning clamp 15, the lower backing plate 5 is in transition fit with the lower positioning clamp 15, the upper positioning clamp 14 is used for fixing the product, the lower positioning clamp 15 is used for guiding the material pushing plate 11 to be pushed up, the male die 9 and the female die 6 are guided to be in correct position alignment, the staggered interference of the chamfer head 17 is prevented, the chamfer head 17 is easily broken, the pressure plate 16 and the backing plate assembly are fixed through the equal-height bolt 23, the male die backing plate 10, the boss backing plate 20 and the male die 9 are fixed through a fixing bolt, the backing plate assembly and the male die backing plate 10 are fixed through a fixing bolt, the female die 6, the lower backing plate 5 and the lower fixing plate 4 are fixed in three phases through fixing bolts, the lower fixing plate 4 and the die base 1 are fixed in four phases through fixing bolts, the positioning clamp cushion block 13 and the upper positioning clamp 14 are fixed in five phases through fixing bolts, and the lower fixing plate 4 and the lower positioning clamp 15 are fixed in six phases through fixing bolts.

In this embodiment, by increasing the stretch gap of the ejector plate 11, the friction between the product and the punch is reduced.

In the embodiment, a chamfering process is added during the product stretch forming, the product is extruded through the chamfering head 17 during the stretch forming, and the chamfering process effect is achieved during the product forming; in addition, through the design of the chamfering head 17, a guide chute is added, so that in the extrusion process of a product, redundant product materials can be extruded in the guide chute through the guide chute reserved in the middle of the chamfering head 17, the chamfering size of the product meets the required requirement, and the chamfering head 17 utilizes double cutting edges to enable the redundant product materials to flow into the guide chute when the product is extruded by chamfering in the product forming process.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The drawing and chamfering compound die comprises a die frame consisting of a die base (1), a die top seat (2) and a guide sleeve guide post (3), and is characterized in that a lower fixing plate (4) is arranged on the die base (1), a lower backing plate (5) is arranged at the top of the lower fixing plate (4), a female die (6) is arranged on the lower backing plate (5), a backing plate component consisting of a first upper backing plate (7) and a second upper backing plate (8) is arranged on the die top seat (2), a male die (9) corresponding to the female die (6) is arranged below the backing plate component, a male die backing plate (10) for mounting the male die (9) is arranged at the bottom of the backing plate component, a material pushing plate (11) is arranged at a position corresponding to the male die (9) in the lower backing plate (5), and a material pushing plate (12) for the male die to abut against is arranged at the bottom of the material pushing plate (11), the mould footstock (2) middle part be provided with locator card cushion (13), locator card cushion (13) bottom is provided with rather than fixed last locator card (14), and should go up locator card (14) end in proper order through backing plate subassembly and terrace die backing plate (10) and stretch into terrace die (9), the middle part of scraping wings (11) has lower locator card (15) corresponding with last locator card (14), die (6) and backing plate subassembly between still be provided with pressure flitch (16).

2. The drawing and chamfering compound die as claimed in claim 1, wherein a chamfering head (17) with double cutting edges at the head is arranged in the material pushing plate (11) and the material pushing plate backing plate (12), and a boss (18) corresponding to the chamfering head (17) is arranged in the punch (9).

3. The drawing and chamfering compound die as claimed in claim 1, wherein the top of the lower fixing plate (4) is provided with an upper concave table, and a chamfering head cushion plate (19) for mounting the chamfering head (17) is arranged in the upper concave table.

4. The drawing and chamfering compound die as claimed in claim 1, wherein a concave table is arranged at the bottom of the punch backing plate (10), and a boss backing plate (20) which is abutted against the punch (9) is arranged in the concave table.

5. The drawing and chamfering compound die as claimed in claim 1, wherein a nitrogen spring (21) is provided in said backing plate assembly.

6. The drawing and chamfering compound die as claimed in claim 1, wherein a top rod (22) is arranged in the die base (1), and the head of the top rod (22) passes through the lower fixing plate (4) and extends into the stripper plate backing plate (12) to be abutted against the bottom of the stripper plate (11).

7. The drawing and chamfering compound die as claimed in claim 1, wherein the male die (9) is in transition fit with the upper positioning clamp (14), the material pushing plate (11) is in sliding fit with the lower positioning clamp (15), and the lower backing plate (5) is in transition fit with the lower positioning clamp (15).

8. The drawing and chamfering compound die as claimed in claim 1, wherein the pressure plate (16) and the backing plate assembly are fixed through an equal-height bolt (23), the male die backing plate (10), the boss backing plate (20) and the male die (9) are fixed through a fixing bolt one phase, the backing plate assembly and the male die backing plate (10) are fixed through a fixing bolt two phase, the female die (6), the lower backing plate (5) and the lower fixing plate (4) are fixed through a fixing bolt three phase, the lower fixing plate (4) and the die base (1) are fixed through a fixing bolt four phases, the positioning clamp backing block (13) and the upper positioning clamp (14) are fixed through a fixing bolt five phases, and the lower fixing plate (4) and the lower positioning clamp (15) are fixed through a fixing bolt six phases.