CN215845256U

CN215845256U - Deburring die for mouth of square box-shaped part

Info

Publication number: CN215845256U
Application number: CN202121937256.7U
Authority: CN
Inventors: 杨朔冰
Original assignee: Anhui Xinyue Precision Machinery Co ltd
Current assignee: Anhui Xinyue Precision Machinery Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-02-18
Anticipated expiration: 2031-08-18

Abstract

A deburring die for an opening part of a square box-shaped part comprises an upper die, an upper die and a guide pillar; the upper die comprises an upper template and an upper die base, and the lower die comprises a lower template and a lower die base; the upper die holder is connected with the lower die holder through a guide pillar, the upper template is arranged on the bottom surface of the upper die holder, and the lower template is arranged on the top surface of the lower die holder; the upper template is provided with a convex profile, and the joint of the convex profile and the upper template is provided with an arc curved surface; the lower template is provided with a concave molded surface corresponding to the convex molded surface, and the bottom of the concave molded surface is opened; the lower die base is internally provided with a lower die spring, and the lower die spring is connected with a lower die floating block so that the lower die floating block is movably embedded in the concave molded surface and the bottom opening thereof. When the mold is used, a part to be deburred is placed on the lower mold floating material block, downward stamping is performed through the upper mold, and removal of burrs at the opening part of the part is realized by utilizing the designed convex and concave molded surfaces and the arc curved surface modeling, so that the mold is simple in structure and easy to manufacture.

Description

Deburring die for mouth of square box-shaped part

Technical Field

The utility model relates to the field of part processing equipment, in particular to a deburring die for an opening part of a square box-shaped part.

Background

The square box-shaped part is a part commonly used in machining, and is usually directly stamped and supported by a material plate, the top of the square box-shaped part is hollow, and the upper ends of the four walls need to be subjected to deburring treatment so that the sections of the four top edges are obtuse angles, and the risk that personnel are easily injured is reduced. The conventional deburring method is still manual or mechanical grinding, so that burrs are turned into obtuse angles, the operation requirement is high, grinding waste is generated at the same time, the cost is not controlled, or a chamfering device for solving the problem of burrs generated by hole collision as disclosed in CN213052295U cannot be used for deburring the mouth of a square box-shaped part.

SUMMERY OF THE UTILITY MODEL

The utility model provides a deburring die for an opening part of a square box-shaped part, which can effectively remove burrs generated after the square box-shaped part is punched, improve the punching quality and realize deburring with simple die structure, convenient die manufacture and use and lower cost.

A deburring die for an opening part of a square box-shaped part comprises an upper die, an upper die and a guide pillar;

the upper die comprises an upper template and an upper die base, and the lower die comprises a lower template and a lower die base; the upper die holder is connected with the lower die holder through a guide pillar, the upper template is arranged on the bottom surface of the upper die holder, and the lower template is arranged on the top surface of the lower die holder;

the upper template is provided with a convex profile, and the joint of the convex profile and the upper template is provided with an arc curved surface; the lower template is provided with a concave molded surface corresponding to the convex molded surface, and the bottom of the concave molded surface is open;

the lower die base is internally provided with a lower die spring, and the lower die spring is connected with a lower die floating block, so that the lower die floating block is movably embedded in the concave molded surface and the bottom opening of the concave molded surface.

Furthermore, the upper die plate is fixed on the bottom surface of the upper die base through an upper die plate bolt.

Furthermore, the lower template is fixed on the top surface of the lower die base through lower template bolts.

Further, the shape of the convex profile is matched with that of the inner wall of the square box-shaped part.

Further, the concave profile is matched with the shape of the outer wall of the square box-shaped part.

Further, the arc curved surface extrudes the burrs at the mouth of the square box-shaped part.

Furthermore, an installation groove is formed in the lower die base to arrange a lower die spring.

Furthermore, the notch of the mounting groove is smaller than the size of the lower die floating material block.

Furthermore, the square box-shaped part is placed on a floating material block of the lower die, and the upper die is guided by the guide post to move to completely close the upper die and the lower die, so that one-time stamping is completed.

Compared with the prior art, the utility model has the beneficial effects that: when the deburring device is used, a part to be deburred is placed on a lower die floating material block, the upper die is used for stamping downwards, and burrs at the opening part of the part are removed by utilizing the designed convex and concave molded surfaces and the arc curved surface, so that the deburring device is simple in structure and easy to manufacture; meanwhile, through the design of the lower die floating material block, the buffering after pressing is realized, and the accidental damage to parts during deburring is avoided; the deburring of parts can be completed only by one-time stamping, the structure is simple and convenient to realize, the manufacturing is easy, the realization cost is low, the deburring quality of stamping is ensured, and the finished product quality of a final product is improved.

Drawings

FIG. 1 is an external view of a square box-shaped component in an embodiment of the present invention.

FIG. 2 is an enlarged cross section of the burr at the mouth of the square box-shaped part in the embodiment of the utility model, which comprises before deburring and after deburring.

Fig. 3 is a schematic view of a part placed in a mold prior to deburring in an embodiment of the present invention.

FIG. 4 is a schematic structural view of the upper die plate just contacting and pressing the part before deburring in the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of the embodiment of the utility model, wherein the upper die of the die descends, the deburring is completed, and the die is closed.

The method comprises the following steps of 1-guide column, 2-upper template bolt, 3-upper die holder, 4-upper template, 5-square box-shaped part, 6-lower template bolt, 7-lower template, 8-lower die holder, 9-lower die spring and 10-lower die floating block.

Detailed Description

The technical scheme of the utility model is further explained in detail by combining the drawings in the specification.

As shown in fig. 3, 4 and 5, the deburring die for the mouth part of the square box-shaped part comprises an upper die base 3 and an upper die plate 4 which are sequentially connected from top to bottom, wherein the upper die plate 4 is provided with a molded surface matched with the square box-shaped part 5 in shape and is provided with an arc curved surface model capable of extruding the mouth part burr of the square box-shaped part 5; the upper template 3 is fixed on the upper die holder 3 through an upper template bolt 2; and together form the upper die. The lower template 7 and the lower die base 8 are connected through a lower template bolt 6; the lower die floating material block 10 is embedded in the lower die plate 7 in a sliding mode, and a lower die spring 9 enabling the lower die floating material block to float is further arranged below the lower die floating material block 10 and jointly forms a lower die. The upper and lower mould parts are also provided with guide posts 1. The square box-shaped part 5 is placed on a lower die floating material block 10 and moves to be completely closed through an upper die, and one-time stamping is completed. The device can avoid effectively removing burrs generated after stamping of the square box-shaped part, improves stamping quality, and has the advantages of simple structure, easy manufacture and lower cost.

The use process of the die is as follows:

A. when punching, the upper die base 3 is fixed on the upper table surface of the punching machine, and the lower die floating material block 10 floats under the force of the lower die spring 9.

B. The square box-shaped part 5 is placed on the lower die floating block 10, the upper die of the die vertically moves downwards from the upper dead point of the punch through the guide post 1 under the action of the upper table surface of the punch, when the upper die plate 4 is moved to be attached to the lower die floating block 10 and the square box-shaped part 5, the lower die spring 9 exerts the force on the lower die floating block 10, so that the square box-shaped part 5 has the function of pressing and positioning, then the upper die continues to move downwards, the lower die plate 7 starts to contact the square box-shaped part 5 until the upper die plate 4 is attached to the lower die plate 7, the die is closed, and deburring is completed.

C. The upper die integrally moves upwards until the upper dead point of the punch is reached, and one cycle is completed.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the present disclosure should be included in the scope of the present invention as set forth in the appended claims.

Claims

1. The utility model provides a mould of square box-shaped part oral area burring, includes mould, last mould and guide pillar, its characterized in that:

2. The die for deburring the mouth part of the square box-shaped part according to claim 1, wherein: the upper die plate is fixed on the bottom surface of the upper die base through an upper die plate bolt.

3. The die for deburring the mouth part of the square box-shaped part according to claim 1, wherein: the lower template is fixed on the top surface of the lower die base through lower template bolts.

4. The die for deburring the mouth part of the square box-shaped part according to claim 1, wherein: the shape of the convex profile is matched with that of the inner wall of the square box-shaped part.

5. The die for deburring the mouth part of the square box-shaped part according to claim 1, wherein: the shape of the concave profile is matched with that of the outer wall of the square box-shaped part.

6. The die for deburring the mouth part of the square box-shaped part according to claim 1, wherein: and the arc curved surface extrudes the burrs at the opening part of the square box-shaped part.

7. The die for deburring the mouth part of the square box-shaped part according to claim 1, wherein: and the lower die base is provided with a mounting groove for arranging a lower die spring.

8. The die for deburring the mouth part of the square box-shaped part according to claim 1, wherein: the notch of the mounting groove is smaller than the size of the lower die floating material block.

9. The die for deburring the mouth part of the square box-shaped part according to claim 1, wherein: the square box-shaped part is placed on a floating material block of the lower die, and the upper die is guided by the guide post to move to completely close the upper die and the lower die, so that one-time stamping is completed.