Novel screw end forming die

The modular screw head forming mold design with a dual-screw mechanism and spring-loaded locking system simplifies the assembly and disassembly process, improving efficiency by reducing labor and time needed for maintenance.

CN223097811UActive Publication Date: 2025-07-15HEFEI JINLI MOLD CO LTD
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Patent Information

Application Number
CN202420852846.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2025-07-15
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

The disassembly and assembly of existing molds is time-consuming and labor-intensive, affecting work efficiency.

Method used

The motor-driven bidirectional screw and bevel gear mechanism are adopted, and the limit seat, slider and spring structure are combined to achieve convenient disassembly and assembly of the mold seat.

Benefits of technology

It realizes convenient disassembly and assembly of molds and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223097811U_ABST
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Abstract

The utility model belongs to the technical field of screw machining equipment, and particularly relates to a novel screw end forming die which comprises a bottom box, a back plate is fixedly mounted on the rear side of the bottom box, a top plate is fixedly mounted on the top of the front side of the back plate, a motor is fixedly mounted on the inner wall of the bottom of the bottom box, a bidirectional mechanism is arranged in the bottom box, and two seat holes are formed in the top of the bottom box. A lower die base is arranged at the top of the bottom box. A forming groove is formed in the top of the lower die base. A hydraulic cylinder is fixedly mounted at the bottom of the top plate, and a mounting seat is fixedly mounted on an output shaft of the hydraulic cylinder. The mold is reasonable in design, the fixing mechanism is arranged, the lower mold base can be limited, fixed or released, the purpose of conveniently disassembling and assembling the lower mold base can be achieved, the limiting mechanism is arranged, the purpose of conveniently disassembling and assembling the upper mold base can be achieved, and therefore the upper mold base and the lower mold base can be conveniently disassembled and assembled; the purposes of saving time and labor and improving the working efficiency can be achieved.
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Description

Technical Field

[0001] This application relates to the technical field of screw processing equipment, and particularly relates to a novel screw end forming die. Background Art

[0002] Screws are one of the most common connectors in daily life, and screws are required for fixing connections in many installation processes. There are many types of screws, and some of them have special functions. For example, anti-slip screws can make the connected parts more firm.

[0003] Currently, a bolt head forming die and a bolt forming die announced in a Chinese patent with the publication number CN116099975A. The bolt forming die includes a lower female die and a bolt head forming die that are butt-fitted during upsetting. The lower female die is provided with a rod portion forming cavity. The bolt head forming die includes an upper female die. The upper female die is provided with a head forming cavity. The head forming cavity has an extension section extending upward. A punching head is guided and movably installed in the extension section. The outer peripheral surface of the punching head fits snugly with the wall surface of the extension section. The provided bolt head forming die can effectively solve the technical problem of easily forming flash on the top surface of the bolt head in the prior art when upsetting the bolt head.

[0004] It is found in actual use that it is not convenient to disassemble and assemble the forming die in the existing equipment, resulting in trouble when the forming die needs to be replaced or maintained. There are problems of time-consuming and laborious disassembly and assembly of the forming die, which affects the work efficiency. Therefore, we propose a novel screw end forming die to solve the above problems. Summary of the Utility Model

[0005] The purpose of this application is to solve the disadvantages in the prior art that it is time-consuming and laborious to disassemble and assemble the forming die, which affects the work efficiency, and to propose a novel screw end forming die.

[0006] In order to achieve the above purpose, this application adopts the following technical solutions:

[0007] A novel screw end forming die includes a bottom box. A back plate is fixedly installed on the rear side of the bottom box. The top of the back plate is fixedly installed with a top plate. A motor is fixedly installed on the inner wall of the bottom of the bottom box. A bidirectional mechanism is arranged in the bottom box. Two seat holes are opened on the top of the bottom box. A lower die seat is arranged on the top of the bottom box. A forming groove is opened on the top of the lower die seat. A hydraulic cylinder is fixedly installed on the bottom of the top plate. An installation seat is fixedly installed on the output shaft of the hydraulic cylinder. An installation groove is opened on the bottom of the installation seat. An upper die seat is arranged in the installation groove. The upper die seat is adapted to the forming groove. Two spring cavities are opened in the installation seat. The installation groove is located between the two spring cavities. A reset mechanism is arranged in the spring cavities. Rod holes are opened between the inner walls of the two spring cavities away from each other and the installation seat.

[0008] Preferably, the bidirectional mechanism includes a bidirectional screw and two screw seats. The same bidirectional screw is rotatably installed on the inner walls of both sides of the bottom box. Two screw seats are sleeved on the bidirectional screw in a threaded manner. The screw seats are slidably connected to the corresponding seat holes. A fixing mechanism is provided between the top of the screw seat and the lower die holder. A sliding mechanism is provided between the screw seat and the bottom box. A gear driving mechanism is provided between the bidirectional screw and the output shaft of the motor.

[0009] Preferably, the fixing mechanism includes two sliding seats, two limiting seats and two limiting grooves. The sliding seats are fixedly installed on the top of the screw seat. The bottom of the sliding seat is slidably connected to the top of the bottom box. Limiting seats are fixedly installed on one side of the two adjacent sliding seats. Limiting grooves are opened on both sides of the lower die holder. The limiting seats are clamped with the corresponding limiting grooves.

[0010] Preferably, the sliding mechanism includes two sliders and two sliding grooves. The sliders are arranged at the bottom of the screw seat. Two sliding grooves are opened on the inner wall of the bottom of the bottom box. The motor is located between the two sliding grooves. The sliders are slidably connected to the corresponding sliding grooves.

[0011] Preferably, the gear driving mechanism includes two bevel gears. Bevel gears are fixedly sleeved on both the bidirectional screw and the output shaft of the motor. The bevel gears are located between the two screw seats. The two bevel gears are meshed with each other.

[0012] Preferably, the reset mechanism includes two sliding plates and two springs. The sliding plates are slidably installed in the spring cavity. Springs are fixedly installed on one side of the two sliding plates away from each other. The other end of the spring is fixedly connected to the inner wall of the spring cavity. A limiting mechanism is provided between the sliding plate and the upper die holder.

[0013] Preferably, the limiting mechanism includes two limiting rods and two rod grooves. Limiting rods are fixedly installed on one side of the two sliding plates away from each other. One end of the two limiting rods close to each other extends into the installation groove. One side of the two limiting rods away from each other penetrates through the outside of the installation seat. The limiting rods are slidably connected to the corresponding rod holes. The limiting rods are clamped with the corresponding rod grooves.

[0014] Preferably, pull buttons are arranged at one end of the two limiting rods away from each other. Anti-slip sleeves are arranged on the pull buttons.

[0015] The beneficial effects of the present application:

[0016] 1. Through the cooperation of the motor, two bevel gears, bidirectional screw, two screw seats, two sliding seats, two limiting seats and two limiting grooves, it is possible to realize that the motor drives the two limiting seats to move towards the side close to or away from each other, it is possible to realize the clamping and separation of the limiting seats and the limiting grooves, it is possible to realize the limiting fixation or release of the lower die holder, and it is possible to realize the purpose of facilitating the disassembly and assembly of the lower die holder;

[0017] 2. Through the cooperation of the pull button, limit rod, slide plate, spring and rod groove, by pulling the pull button outward, the limit rod can be disengaged from the rod groove, and by releasing the pull button, the limit rod can be driven by the spring's resilience to be clamped and limited with the rod groove, achieving the purpose of convenient disassembly and assembly of the upper die base, thus enabling convenient disassembly and assembly of the upper die base and the lower die base, achieving the purpose of saving time and effort and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 FIG. is a three-dimensional structural schematic diagram of a novel screw end forming die proposed by the present application;

[0019] Figure 2 FIG. is a front view sectional structural schematic diagram of a novel screw end forming die proposed by the present application;

[0020] Figure 3 FIG. is a partial structural schematic diagram of part A of a novel screw end forming die proposed by the present application;

[0021] Figure 4 FIG. is a partial structural schematic diagram of part B of a novel screw end forming die proposed by the present application.

[0022] In the figure: 1. Bottom box; 2. Back plate; 3. Top plate; 4. Motor; 5. Bi-directional screw; 6. Screw seat; 7. Slide seat; 8. Lower die base; 9. Limit groove; 10. Limit seat; 11. Hydraulic cylinder; 12. Mounting seat; 13. Mounting groove; 14. Upper die base; 15. Forming groove; 16. Spring cavity; 17. Slide plate; 18. Limit rod; 19. Rod groove; 20. Spring; 21. Pull button; 22. Rod hole; 23. Slide block; 24. Slide groove; 25. Bevel gear; 26. Seat hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The technical solutions of the present application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the scope of protection of the present application.

[0024] Refer to Figures 1-4, a new type of screw end forming die, including a bottom box 1, a back plate 2 is fixedly installed on the rear side of the bottom box 1, a top plate 3 is fixedly installed at the top of the front side of the back plate 2, a motor 4 is fixedly installed on the inner wall of the bottom of the bottom box 1, a two-way mechanism is arranged in the bottom box 1, two seat holes 26 are opened at the top of the bottom box 1, a lower die base 8 is arranged at the top of the bottom box 1, and a forming groove 15 is opened at the top of the lower die base 8; a hydraulic cylinder 11 is fixedly installed at the bottom of the top plate 3, an installation seat 12 is fixedly installed on the output shaft of the hydraulic cylinder 11, an installation groove 13 is opened at the bottom of the installation seat 12, an upper die base 14 is arranged in the installation groove 13, the upper die base 14 is adapted to the forming groove 15, two spring chambers 16 are opened in the installation seat 12, the installation groove 13 is located between the two spring chambers 16, a reset mechanism is arranged in the spring chamber 16, and rod holes 22 are opened between the inner walls of the two spring chambers 16 away from each other and the installation seat 12.

[0025] In this embodiment, the two-way mechanism includes a two-way screw 5 and two screw seats 6. The same two-way screw 5 is rotatably installed on the inner walls of both sides of the bottom box 1. Two screw seats 6 are sleeved on the two-way screw 5 by threads. The screw seats 6 are slidably connected to the corresponding seat holes 26. A fixing mechanism is arranged between the top of the screw seat 6 and the lower die base 8. A sliding mechanism is arranged between the screw seat 6 and the bottom box 1. A gear driving mechanism is arranged between the two-way screw 5 and the output shaft of the motor 4. By arranging the two-way mechanism, the two-way screw 5 can drive the two screw seats 6 to move towards the side close to or away from each other, and the purpose of driving the two sliding seats 7 to move towards the side close to or away from each other can be achieved.

[0026] In this embodiment, the fixing mechanism includes two sliding seats 7, two limiting seats 10 and two limiting grooves 9. The sliding seats 7 are fixedly installed at the top of the screw seats 6. The bottom of the sliding seats 7 is slidably connected to the top of the bottom box 1. The limiting seats 10 are fixedly installed on the adjacent sides of the two sliding seats 7. The limiting grooves 9 are opened on both sides of the lower die base 8. The limiting seats 10 are clamped with the corresponding limiting grooves 9. By arranging the fixing mechanism, the two sliding seats 7 can drive the two limiting seats 10 to move towards the side close to or away from each other, and the purpose of clamping or disengaging the two limiting seats 10 with the corresponding limiting grooves 9 can be achieved.

[0027] In this embodiment, the sliding mechanism includes two sliders 23 and two sliding grooves 24. The sliders 23 are arranged at the bottom of the screw seats 6. Two sliding grooves 24 are opened on the inner wall of the bottom of the bottom box 1. The motor 4 is located between the two sliding grooves 24. The sliders 23 are slidably connected to the corresponding sliding grooves 24. By arranging the sliding mechanism, the screw seats 6 move more smoothly when moving left and right.

[0028] In this embodiment, the gear drive mechanism includes two bevel gears 25. A bevel gear 25 is fixedly sleeved on both the two-way screw 5 and the output shaft of the motor 4. The bevel gears 25 are located between the two screw seats 6, and the two bevel gears 25 are meshed with each other. By providing the gear drive mechanism, the motor 4 can drive the two-way screw 5 to rotate.

[0029] In this embodiment, the reset mechanism includes two sliding plates 17 and two springs 20. The sliding plates 17 are slidably installed in the spring cavity 16. A spring 20 is fixedly installed on one side of each of the two sliding plates 17 away from each other. The other end of the spring 20 is fixedly connected to the inner wall of the spring cavity 16. A limiting mechanism is provided between the sliding plates 17 and the upper die holder 14. By providing the reset mechanism, the spring 20 can drive the two sliding plates 17 to move toward each other by the resilience force.

[0030] In this embodiment, the limiting mechanism includes two limiting rods 18 and two rod grooves 19. A limiting rod 18 is fixedly installed on one side of each of the two sliding plates 17 away from each other. One end of each of the two limiting rods 18 close to each other extends into the installation groove 13. One side of each of the two limiting rods 18 away from each other penetrates through the outside of the installation seat 12. The limiting rod 18 is slidably connected to the corresponding rod hole 22, and the limiting rod 18 is engaged with the corresponding rod groove 19. By providing the limiting mechanism, the limiting rod 18 can be engaged with the rod groove 19, and the purpose of limiting and fixing the upper die holder 14 can be achieved.

[0031] In this embodiment, a pull button 21 is provided at one end of each of the two limiting rods 18 away from each other, and an anti-slip sleeve is provided on the pull button 21. By providing the pull button 21, the limiting rod 18 can be conveniently pulled.

[0032] In this application, when it is necessary to disassemble the lower die base 8, reverse starting the motor 4 can drive the two bevel gears 25 to rotate counterclockwise, drive the bidirectional screw 5 to rotate counterclockwise, drive the two screw seats 6 to move away from each other, drive the two sliding seats 7 to move away from each other, drive the two limiting seats 10 to move away from each other, enable the two limiting seats 10 to disengage from the limiting grooves 9, release the lower die base 8, and achieve the purpose of facilitating the disassembly of the lower die base 8. By placing the replaced or maintained lower die base 8 between the two limiting seats 10 on the top of the bottom box 1, starting the motor 4 in the forward direction, and through the above principle, the two limiting seats 10 can be moved closer to each other, the two limiting seats 10 can be respectively clamped with the corresponding limiting grooves 9, and the purpose of limiting and fixing the lower die base 8 can be achieved, thereby achieving the purpose of facilitating the disassembly and assembly of the lower die base 8. When it is necessary to disassemble the upper die base 14, pulling the two pull buttons 21 outward can drive the two limiting rods 18 to move away from each other, drive the two sliding plates 17 to move away from each other, drive the spring 20 to contract, enable the two limiting rods 18 to disengage from the corresponding rod grooves 19, release the upper die base 14, and achieve the purpose of facilitating the disassembly of the upper die base 14. By inserting the top of the replaced or maintained upper die base 14 into the installation groove 13 and releasing the pull button 21, at this time, the spring 20 drives the two sliding plates 17 to move closer to each other through the resilience, drives the two limiting rods 18 to move closer to each other, enables the two limiting rods 18 to be respectively clamped with the corresponding rod grooves 19, achieves the purpose of limiting and fixing the upper die base 14, and achieves the purpose of facilitating the installation of the upper die base 14. Thus, the upper die base 14 and the lower die base 8 can be conveniently disassembled and assembled, saving time and effort and improving work efficiency.

[0033] The above are only the embodiments of the present application, and do not limit the patent scope of the present application accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present application, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present application.

Claims

1. A new type of screw end forming die, characterized in that, It includes a bottom box (1), a back plate (2) is fixedly installed on the rear side of the bottom box (1), a top plate (3) is fixedly installed at the top of the front side of the back plate (2), a motor (4) is fixedly installed on the inner wall of the bottom of the bottom box (1), a bidirectional mechanism is arranged in the bottom box (1), two seat holes (26) are opened at the top of the bottom box (1), a lower die base (8) is arranged at the top of the bottom box (1), and a forming groove (15) is opened at the top of the lower die base (8); A hydraulic cylinder (11) is fixedly installed at the bottom of the top plate (3), a mounting seat (12) is fixedly installed on the output shaft of the hydraulic cylinder (11), a mounting groove (13) is opened at the bottom of the mounting seat (12), an upper die base (14) is arranged in the mounting groove (13), the upper die base (14) is adapted to the forming groove (15), two spring cavities (16) are opened in the mounting seat (12), the mounting groove (13) is located between the two spring cavities (16), a reset mechanism is arranged in the spring cavity (16), and rod holes (22) are opened between the inner walls on the mutually remote sides of the two spring cavities (16) and the mounting seat (12).

2. The novel screw end forming die according to claim 1, wherein, The bidirectional mechanism includes a bidirectional screw (5) and two screw seats (6), the same bidirectional screw (5) is rotatably installed on the inner walls on both sides of the bottom box (1), two screw seats (6) are thread sleeved on the bidirectional screw (5), the screw seat (6) is slidably connected with the corresponding seat hole (26), a fixing mechanism is arranged between the screw seat (6) and the lower die base (8), a sliding mechanism is arranged between the screw seat (6) and the bottom box (1), and a gear driving mechanism is arranged between the bidirectional screw (5) and the output shaft of the motor (4).

3. The novel screw end forming die according to claim 2, characterized in that, The fixing mechanism includes two sliding seats (7), two limiting seats (10) and two limiting grooves (9), a sliding seat (7) is fixedly installed at the top of the screw seat (6), the bottom of the sliding seat (7) is slidably connected with the top of the bottom box (1), limiting seats (10) are fixedly installed on the adjacent sides of the two sliding seats (7), limiting grooves (9) are opened on both sides of the lower die base (8), and the limiting seat (10) is clamped with the corresponding limiting groove (9).

4. A novel screw end forming die according to claim 2, characterized in that, The sliding mechanism includes two sliders (23) and two sliding grooves (24), a slider (23) is arranged at the bottom of the screw seat (6), two sliding grooves (24) are opened on the inner wall of the bottom of the bottom box (1), the motor (4) is located between the two sliding grooves (24), and the slider (23) is slidably connected with the corresponding sliding groove (24).

5. A novel screw end forming die according to claim 2, characterized in that, The gear driving mechanism includes two bevel gears (25), bevel gears (25) are fixedly sleeved on both the bidirectional screw (5) and the output shaft of the motor (4), the bevel gears (25) are located between the two screw seats (6), and the two bevel gears (25) are meshed with each other.

6. A novel screw end forming die according to claim 1, characterized in that, The reset mechanism includes two sliding plates (17) and two springs (20). The sliding plates (17) are slidably installed in the spring cavity (16). Springs (20) are fixedly installed on one side of the two sliding plates (17) away from each other. The other end of the spring (20) is fixedly connected to the inner wall of the spring cavity (16). A limiting mechanism is provided between the sliding plate (17) and the upper die holder (14).

7. A novel screw end forming die according to claim 6, characterized in that, The limiting mechanism includes two limiting rods (18) and two rod grooves (19). Limiting rods (18) are fixedly installed on one side of the two sliding plates (17) away from each other. One end of the two limiting rods (18) close to each other extends into the installation groove (13). One side of the two limiting rods (18) away from each other penetrates through the outside of the mounting seat (12). The limiting rod (18) is slidably connected to the corresponding rod hole (22), and the limiting rod (18) is engaged with the corresponding rod groove (19).

8. A novel screw end forming die according to claim 7, characterized in that, Pull buttons (21) are provided at one end of the two limiting rods (18) away from each other. Anti-slip sleeves are provided on the pull buttons (21).

Citation Information

Patent Citations

  • Bolt head forming die and bolt forming die

    CN116099975A