Impact-resistant deburring type bolt trimming die

Abstract

The utility model discloses an impact-resistant deburring type bolt trimming die which comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a die holder, the surface of the die holder is provided with a die cavity, second electric push rods are symmetrically arranged in the die holder, one side of each second electric push rod is fixedly connected with a clamping block, and the other side of each second electric push rod is fixedly connected with a clamping block. Openings are symmetrically formed in the top of the mold base, first springs are fixedly connected to the interiors of the openings, limiting plates are fixedly connected to the upper ends of the first springs, buffer columns are fixedly connected to the upper ends of the limiting plates, buffer blocks are fixedly connected to the upper ends of the buffer columns, and stand columns are symmetrically arranged at the upper end of the bottom plate. By arranging a second electric push rod and a clamping block, bolt bodies of different models can be conveniently clamped and fixed, by arranging a connecting block, an inserting groove, a mounting groove, a second spring and a fixing convex block, a punching cutter can be conveniently replaced according to the models of the bolt bodies, burrs on the bolt bodies can be punched, and the universality is high.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt trimming dies, in particular to an impact-resistant burr-removing bolt trimming die. Background Art

[0002] After the bolt is cold-forged to produce a blank, it needs to be trimmed using a trimming die to ensure a high-quality bolt head. The existing bolt trimming die includes a lower die and a trimming die. The screw is inserted into the die hole of the lower die, and the supporting surface at the bottom of the square bolt head is supported by the top surface of the lower die. After the trimming die is stamped down, the excess part of the bolt head is cut off to form a regular polygonal head, and then the push rod is pushed upward from the bottom of the die hole to demold the bolt.

[0003] The die holes of the existing bolt trimming dies are fixed, and most of them can only trim bolts of one type, resulting in poor versatility. Utility Model Content

[0004] The purpose of the utility model is to provide an impact-resistant burr-removing bolt trimming die, which can solve the problem that the die holes of existing bolt trimming dies are fixed and most of them can only trim one type of bolts, resulting in poor versatility.

[0005] To achieve the above-mentioned purpose, an impact-resistant burr-removing bolt trimming die is provided, comprising: a bottom plate, a die base is fixedly connected to the upper end of the bottom plate, a die cavity is provided on the surface of the die base, a second electric push rod is symmetrically arranged inside the die base, a clamping block is fixedly connected to one side of the second electric push rod, an opening is symmetrically provided on the top of the die base, a first spring is fixedly connected inside the opening, a limiting plate is fixedly connected to the upper end of the first spring, a buffer column is fixedly connected to the upper end of the limiting plate, and a buffer block is fixedly connected to the upper end of the buffer column;

[0006] The upper end of the bottom plate is symmetrically provided with columns, the upper ends of the columns are fixedly connected to the top plate, the upper end of the top plate is fixedly connected to the hydraulic cylinder, the lower end of the hydraulic cylinder is fixedly connected to the connecting block, the lower end of the connecting block is provided with a punching knife, the lower end of the connecting block is provided with a plurality of plug-in slots, both sides of the plug-in slot are provided with mounting slots, the interior of the mounting slot is fixedly connected with a second spring, one side of the second spring is fixedly connected with a fixing protrusion, the upper end of the punching knife is fixedly connected with a plurality of clamping blocks, both sides of the clamping block are provided with clamping slots.

[0007] According to the impact-resistant burr-removing bolt trimming die, a protective pad is fixedly connected to one side of the clamping block.

[0008] According to the impact-resistant burr-removing bolt trimming die, a first electric push rod is fixedly connected to the interior of the die base, and a push rod is fixedly connected to the upper end of the first electric push rod.

[0009] According to the impact-resistant burr-removing bolt trimming die, a buffer pad is fixedly connected to the upper end of the buffer block.

[0010] According to the impact-resistant burr-removing bolt trimming mold, a bolt body is arranged inside the mold cavity.

[0011] According to the impact-resistant burr-removing bolt trimming die, the fixing protrusion is a "hemispherical body".

[0012] The purpose of the utility model is to provide an impact-resistant burr-removing bolt trimming die, the main innovations are:

[0013] 1. This impact-resistant burr-removing bolt trimming mold is convenient for clamping and fixing bolt bodies of different types by setting a second electric push rod and a clamping block. Through a connecting block, a plug-in slot, a mounting slot, a second spring, and a fixing protrusion, it is convenient to replace the punching knife according to the model of the bolt body and punch the burrs on the bolt body, and has strong versatility.

[0014] 2. This impact-resistant burr-removing bolt trimming die reduces the impact between the bolt body head and the die base when the bolt body is trimmed, thereby reducing the impact on the bolt body's own structure.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic structural diagram of an impact-resistant burr-removing bolt trimming die proposed by the utility model;

[0018] Figure 2 This is a schematic structural diagram of a clamping block of an impact-resistant deburring bolt trimming die proposed by the utility model;

[0019] Figure 3 The utility model proposed Figure 1 The structural diagram at A in the middle;

[0020] Figure 4 This is a schematic structural diagram of a punching knife of an impact-resistant burr-removing bolt trimming die proposed by the utility model;

[0021] Figure 5 The utility model proposed Figure 1 Schematic diagram of the structure at B in the figure.

[0022] Legend:

[0023] 1. Bottom plate; 2. Die base; 3. Die cavity; 4. First electric push rod; 5. Push rod; 6. Second electric push rod; 7. Clamping block; 8. Protective pad; 9. Bolt body; 10. Opening; 11. First spring; 12. Limiting plate; 13. Buffer column; 14. Buffer block; 15. Buffer pad; 16. Column; 17. Top plate; 18. Hydraulic cylinder; 19. Connecting block; 20. Punching knife; 21. Plug-in slot; 22. Mounting slot; 23. Second spring; 24. Fixing protrusion; 25. Snap-in block; 26. Snap-in slot. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-5 The utility model embodiment is an impact-resistant burr-removing bolt trimming mold, which includes a bottom plate 1, a mold base 2 is fixedly connected to the upper end of the bottom plate 1, a mold cavity 3 is opened on the surface of the mold base 2, a second electric push rod 6 is symmetrically arranged inside the mold base 2, and a clamping block 7 is fixedly connected to one side of the second electric push rod 6. By arranging the second electric push rod 6 and the clamping block 7, it is convenient to clamp and fix bolt bodies 9 of different models, and an opening 10 is symmetrically opened on the top of the mold base 2. A first spring 11 is fixedly connected inside the opening 10, and a limiting plate 12 is fixedly connected to the upper end of the first spring 11. A buffer column 13 is fixedly connected to the upper end of the limiting plate 12, and a buffer block 14 is fixedly connected to the upper end of the buffer column 13. By arranging the opening 10, the first spring 11, the limiting plate 12, the buffer column 13, and the buffer block 14, when the bolt body 9 is trimmed, the impact between the head of the bolt body 9 and the mold base 2 is reduced, and the impact on the structure of the bolt body 9 itself is reduced;

[0026] The upper end of the bottom plate 1 is symmetrically provided with columns 16, the upper end of the columns 16 is fixedly connected with a top plate 17, the upper end of the top plate 17 is fixedly connected with a hydraulic cylinder 18, the lower end of the hydraulic cylinder 18 is fixedly connected with a connecting block 19, the lower end of the connecting block 19 is provided with a punching knife 20, the lower end of the connecting block 19 is provided with a plurality of plug-in slots 21, both sides of the plug-in slots 21 are provided with mounting slots 22, the interior of the mounting slots 22 is fixedly connected with a second spring 23, one side of the second spring 23 is fixedly connected with a fixing protrusion 24, the upper end of the punching knife 20 is fixedly connected with a plurality of clamping blocks 25, both sides of the clamping block 25 are provided with clamping slots 26, through the connecting block 19, the plug-in slot 21, the mounting slot 22, the second spring 23, the fixing protrusion 24, the punching knife 20 is conveniently replaced according to the model of the bolt body 9, the burrs on the bolt body 9 are punched, and the versatility is strong.

[0027] A protective pad 8 is fixedly connected to one side of the clamping block 7 to protect the bolt body 9 from damage. A first electric push rod 4 is fixedly connected to the inside of the mold base 2. A push rod 5 is fixedly connected to the upper end of the first electric push rod 4 to facilitate ejecting the bolt body 9. A buffer pad 15 is fixedly connected to the upper end of the buffer block 14. The bolt body 9 is arranged inside the mold cavity 3, and the fixed protrusion 24 is a "hemispherical body".

[0028] Working principle: When using this impact-resistant burr-removing bolt trimming mold, turn on the power supply, insert the clamping block 25 of the punching knife 20 adapted to the bolt body 9 into the plug-in slot 21 of the connecting block 19 according to the model of the bolt body 9, the clamping block 25 squeezes the fixed protrusion 24, the fixed protrusion 24 squeezes the second spring 23, the second spring 23 is compressed, so that the fixed protrusion 24 enters the installation slot 22, the clamping block 25 moves inward, the clamping slot 26 overlaps with the fixed protrusion 24, the second spring 23 is reset, so that the fixed protrusion 24 moves to the clamping slot 26, and the completion is completed. The punching knife 20 is installed, the bolt body 9 is placed in the mold cavity 3, the second electric push rod 6 is started, the second electric push rod 6 drives the clamping block 7 to move, and the bolt body 9 is clamped and fixed, the hydraulic cylinder 18 is started, and the hydraulic cylinder 18 drives the punching knife 20 to descend, and the burrs of the bolt body 9 are cut off. The bolt body 9 descends, and the buffer pad 15, the buffer block 14, and the buffer column 13 are squeezed, and then the limiting plate 12 and the first spring 11 are squeezed for buffering, so as to protect the bolt body 9 and prevent the bolt body 9 from being damaged due to excessive impact with the mold base 2.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An impact-resistant deburring bolt trimming die, characterized in that: include: A bottom plate (1), wherein the upper end of the bottom plate (1) is fixedly connected to a mold base (2), a mold cavity (3) is provided on the surface of the mold base (2), a second electric push rod (6) is symmetrically arranged inside the mold base (2), a clamping block (7) is fixedly connected to one side of the second electric push rod (6), an opening (10) is symmetrically provided on the top of the mold base (2), a first spring (11) is fixedly connected inside the opening (10), the upper end of the first spring (11) is fixedly connected to a limiting plate (12), the upper end of the limiting plate (12) is fixedly connected to a buffer column (13), and the upper end of the buffer column (13) is fixedly connected to a buffer block (14); The upper end of the bottom plate (1) is symmetrically provided with upright posts (16), the upper end of the upright posts (16) is fixedly connected to a top plate (17), the upper end of the top plate (17) is fixedly connected to a hydraulic cylinder (18), the lower end of the hydraulic cylinder (18) is fixedly connected to a connecting block (19), the lower end of the connecting block (19) is provided with a punching knife (20), the lower end of the connecting block (19) is provided with a plurality of plug-in slots (21), both sides of the plug-in slot (21) are provided with mounting slots (22), the interior of the mounting slot (22) is fixedly connected to a second spring (23), one side of the second spring (23) is fixedly connected to a fixing protrusion (24), the upper end of the punching knife (20) is fixedly connected to a plurality of clamping blocks (25), both sides of the clamping block (25) are provided with clamping slots (26).

2. The impact-resistant burr-removing bolt trimming die according to claim 1, characterized in that: A protective pad (8) is fixedly connected to one side of the clamping block (7).

3. The impact-resistant burr-removing bolt trimming die according to claim 1, characterized in that: A first electric push rod (4) is fixedly connected inside the mold base (2), and a push rod (5) is fixedly connected to the upper end of the first electric push rod (4).

4. The impact-resistant burr-removing bolt trimming die according to claim 1, characterized in that: A buffer pad (15) is fixedly connected to the upper end of the buffer block (14).

5. The impact-resistant burr-removing bolt trimming die according to claim 1, characterized in that: A bolt body (9) is arranged inside the mold cavity (3).

6. The impact-resistant burr-removing bolt trimming die according to claim 1, characterized in that: The fixing protrusion (24) is a "hemispherical body".

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