Thread rolling mechanism of thread rolling machine

By designing easily replaceable thread rolling components and cooling components, the problem of difficult thread rolling plate replacement in thread rolling machines has been solved, enabling multi-specification processing and efficient thread rolling effects, thus improving the practicality and lifespan of the thread rolling machine.

CN223544010UActive Publication Date: 2025-11-14FOSHAN YANGYU METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202423201720.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-14
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

The existing thread rolling plates of thread rolling machines cannot be replaced conveniently and effectively, which means that thread rolling machines of the same specification can only perform single pitch machining, reducing processing efficiency and increasing production costs.

Method used

A tooth-rolling mechanism including a tooth-rolling assembly, an installation assembly, and a cooling assembly is designed. The tooth-rolling assembly is driven by a hydraulic cylinder to approach the workpiece, and the ball bearings are used to improve the smoothness of the workpiece rotation. The installation assembly allows for easy replacement of the tooth-rolling roller specifications, and the cooling assembly reduces the impact of high temperatures. The integrated ball bearings and bellows guard protect the return spring, achieving stability and efficient replacement of the tooth-rolling roller.

Benefits of technology

This technology enables multi-specification processing of the thread rolling machine, improves processing efficiency and practicality, extends equipment life, effectively avoids the impact of waste chips, and reduces production costs.

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Abstract

The utility model relates to the technical field of thread rolling machines, and discloses a thread rolling mechanism of a thread rolling machine, which comprises a processing table and further comprises two [-shaped frames which are both positioned above the processing table, the outer part of one of the [-shaped frames is fixedly connected with the upper surface of the processing table through a plurality of support frames, and the other of the [-shaped frames is fixedly connected with the lower surface of the processing table through a plurality of support frames. And connecting plates are symmetrically arranged outside the other C-shaped frame. According to the thread rolling device, thread rolling treatment can be effectively conducted on a workpiece through the arranged thread rolling assembly, a worker can conveniently disassemble and assemble the thread rolling roller through the arranged installation assembly, and therefore thread rolling treatment of different screw pitches can be effectively conducted on the workpiece through the device, and the overall practicability of the device is effectively improved; through the arranged cooling assembly, a workpiece and the thread rolling roller in the machining process can be effectively cooled, so that the thread rolling effect of the workpiece can be effectively improved, meanwhile, chippings can be blown off, and the influence of the chippings on the thread rolling quality of the workpiece is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of dental fretting machine technology, specifically to a dental fretting mechanism for a dental fretting machine. Background Technology

[0002] A thread rolling machine is a processing device for the outer surface of cylindrical workpieces. When performing thread rolling on cylindrical workpieces, a thread rolling mechanism of the thread rolling machine is required.

[0003] Existing thread rolling machines cannot easily and effectively disassemble and replace the thread rolling plate. When thread rolling cylindrical workpieces, it is sometimes necessary to change the specifications of the thread rolling plate according to actual needs, so that the thread rolling machine can process cylindrical workpieces with different pitches. However, in existing thread rolling machines, the thread rolling plate and the device are generally integrated. This means that a thread rolling machine of a certain specification can only effectively process workpieces with a single pitch. When processing workpieces with different pitches is required, different specifications of thread rolling machines need to be used. This not only reduces the processing efficiency and effect of the workpiece, but also increases the production cost for the producer and reduces the overall practicality of the thread rolling machine.

[0004] Compared with Chinese Patent Publication No. CN220862616U, this application relates to the field of self-tapping screw technology and discloses a thread-rolling mechanism for processing self-tapping screws, including a base, an L-shaped mounting plate, a waste collection box, a screw collection box, a feeding assembly, and a thread-rolling assembly. The L-shaped mounting plate is fixedly connected to the outside of the base, and a transition plate is fixedly connected to the top of the waste collection box. A rectangular groove is formed on the surface of the transition plate, extending through the entire transition plate along its thickness direction. A frame plate is fixedly connected inside the rectangular groove, and telescopic springs are fixedly connected to the four corners of the frame plate. A filter screen is fixedly connected to the other end of the four telescopic springs. A feeding plate is fixedly connected to the side of the transition plate near the screw collection box. Compared with the prior art, this application can process the waste generated during screw processing, improving the product processing effect of screws.

[0005] The above solution can effectively perform thread rolling on the workpiece and effectively collect waste chips. However, the above solution still cannot conveniently and effectively change the specifications of the thread rolling plate, and fails to solve the problems mentioned in the background art.

[0006] Therefore, those skilled in the art have provided a tooth-rolling mechanism for a tooth-rolling machine to solve the problems mentioned in the background art. Utility Model Content

[0007] The purpose of this utility model is to provide a teeth-rolling mechanism for a teeth-rolling machine, including a processing table, and further comprising:

[0008] Two C-shaped frames are located above the processing table. The exterior of one of the C-shaped frames is fixedly connected to the upper surface of the processing table through multiple support frames. The exterior of the other C-shaped frame is symmetrically provided with connecting plates. A fixing plate is fixedly connected to the upper surface of the processing table. Two mounting holes for installing hydraulic cylinders are opened through the interior of the fixing plate. The telescopic ends of the two hydraulic cylinders are respectively fixedly connected to the exterior of the two connecting plates.

[0009] The tooth-rolling components are respectively disposed inside the two C-shaped frames;

[0010] The mounting components are located on the outside of the tooth-flicking assembly;

[0011] A mounting sleeve is fixedly connected to the upper surface of the processing table. The mounting sleeve has a movable plate inside. A placement plate is fixedly connected to the upper surface of the movable plate. The movable plate and the mounting sleeve are fixedly connected by bolts. Ball bearings are evenly spaced on the upper surface of the placement plate.

[0012] A cooling component is disposed on the rear surface of the processing table.

[0013] As a further improvement to this technical solution, the tooth-rolling assembly includes rotating rods rotatably connected to the front and rear inner walls of two C-shaped frames respectively. The other ends of the multiple rotating rods are fixedly connected to connecting frames. The front end surfaces of the two C-shaped frames are fixedly connected to drive motors. The output shaft of the drive motor is fixedly connected to one end of one of the rotating rods through a coupling. The interior of the multiple connecting frames is provided with inserts. The exterior of the multiple inserts is fixedly connected to mounting rods. A tooth-rolling roller is fixedly connected between every two mounting rods.

[0014] As a further improvement to this technical solution, the installation assembly includes connecting rods symmetrically arranged on both sides of the outer wall of the connecting frame. The other end of each of the connecting rods is fixedly connected to a limiting plate. A contact plate is slidably connected to the outside of every two connecting rods. A return spring is sleeved on the outside of each of the connecting rods. The return springs abut against the contact plate and the limiting plate. A cross pull plate is fixedly connected to one side of the contact plate through a side plate. Insert rods are symmetrically arranged on the other side of the contact plate. Guide grooves for the insertion rods to move are opened on both sides of the outer wall of the connecting frame and the insert block.

[0015] As a further improvement to this technical solution, each of the multiple connecting rods is fitted with a bellows cover, and the two ends of the multiple bellows covers are fixedly connected to the opposite side of the contact plate and the limiting plate, respectively.

[0016] As a further improvement to this technical solution, a plurality of fixing blocks are fixedly connected to the upper surface of the processing table, and a guide rod is fixedly connected between every two fixing blocks. A guide plate is symmetrically provided at the bottom of one of the C-shaped frames, and a guide groove for the guide rod to move is opened inside the two guide plates.

[0017] As a further improvement to this technical solution, the cooling component includes a rear plate fixedly connected to the rear end surface of the processing table. An air suction pump is fixedly connected to the upper surface of the rear plate. The air inlet of the air suction pump is connected to an air suction head through a pipe. A filter screen is provided inside the air suction head. The air outlet of the air suction pump is connected to an air outlet hood through a metal corrugated pipe.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0019] In this thread rolling machine, the thread rolling mechanism includes thread rolling components, mounting components, and a cooling component. When a workpiece needs processing, it is first placed on the placement plate. The hydraulic cylinder then starts operating, driving the connecting plate to move synchronously. The connecting plate then drives one of the C-shaped frames to move synchronously, bringing the two thread rolling components closer together. When the outer surfaces of both components are in contact with the outer surface of the workpiece, the thread rolling components begin to rotate (the two components rotate in the same direction). The thread rolling components then effectively roll the workpiece. The ball bearings ensure smoother rotation of the workpiece, thereby effectively improving the speed and efficiency of the machining process. Regarding the thread rolling effect of the workpiece, when it is necessary to change the specifications of the thread rolling assembly, it is only necessary to install the assembly to easily and effectively disassemble and replace the thread rolling assembly. This allows the device to effectively process workpieces with different thread pitches, effectively improving the overall practicality of the device. During the workpiece processing, high temperatures are generated. At this time, the cooling assembly starts to operate, which can effectively cool down the thread rolling assembly and the workpiece, thereby further improving the thread rolling effect of the workpiece and extending the overall service life of the device. At the same time, it can blow off the waste chips generated during the thread rolling process, thereby preventing the waste chips from affecting the thread rolling effect of the workpiece. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0021] Figure 2 This is a three-dimensional structural schematic diagram from one perspective of the present invention;

[0022] Figure 3 This is a three-dimensional structural schematic diagram of the present invention from another perspective;

[0023] Figure 4 for Figure 2A magnified structural diagram of region A in the middle.

[0024] The meanings of the labels in the diagram are as follows:

[0025] 1. Processing table; 2. Support frame; 3. C-shaped frame; 4. Drive motor; 5. Tooth rolling roller; 6. Connecting plate; 7. Fixing plate; 8. Hydraulic cylinder; 9. Mounting sleeve plate; 10. Movable plate; 11. Placement plate; 12. Ball bearing; 13. Rear plate; 14. Air pump; 15. Air suction head; 16. Filter screen; 17. Metal bellows; 18. Air exhaust hood; 19. Fixing block; 20. Guide rod; 21. Guide plate; 22. Rotating rod; 23. Connecting frame; 24. Insert block; 25. Mounting rod; 26. Connecting rod; 27. Limiting plate; 28. Contact plate; 29. ​​Return spring; 30. Side plate; 31. Cross pull plate; 32. Insert rod; 33. Bellows protective cover. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1 - Figure 4 As shown, this embodiment provides a thread rolling mechanism for a thread rolling machine, including a processing table 1, and further comprising:

[0028] Two C-shaped frames 3 are located above the processing table 1. The exterior of one C-shaped frame 3 is fixedly connected to the upper surface of the processing table 1 through multiple support frames 2. The exterior of the other C-shaped frame 3 is symmetrically provided with connecting plates 6. A fixing plate 7 is fixedly connected to the upper surface of the processing table 1. Two mounting holes for installing hydraulic cylinders 8 are opened through the interior of the fixing plate 7. The telescopic ends of the two hydraulic cylinders 8 are fixedly connected to the exterior of the two connecting plates 6 respectively.

[0029] The tooth-rubbing components are respectively set inside the two C-shaped frames 3;

[0030] The mounting components are located on the outside of the tooth-flicking components;

[0031] Mounting sleeve 9 is fixedly connected to the upper surface of processing table 1. The interior of mounting sleeve 9 is provided with movable plate 10. The upper surface of movable plate 10 is fixedly connected with placement plate 11. Movable plate 10 and mounting sleeve 9 are fixedly connected by bolts. The upper surface of placement plate 11 is provided with ball bearings 12 at equal intervals.

[0032] The cooling component is located on the rear surface of the processing table 1.

[0033] The working principle described above is as follows: When a workpiece needs to be processed, it is simply placed on the placement plate 11. At this time, the hydraulic cylinder 8 starts to operate, driving the connecting plate 6 to move synchronously. The connecting plate 6 then drives one of the C-shaped frames 3 to move synchronously, bringing the two thread-rolling components closer together. When the outer surfaces of both thread-rolling components are in contact with the outer surface of the workpiece, the thread-rolling components begin to operate (the two thread-rolling components rotate in the same direction). The thread-rolling components can then effectively perform thread-rolling processing on the workpiece. The ball bearings 12 ensure smoother rotation of the workpiece, thereby effectively improving the thread-rolling effect. When the specifications of the thread rolling assembly need to be changed, the assembly can be easily and effectively disassembled and replaced simply by installing the assembly. This allows the device to effectively process workpieces with different thread pitches, significantly improving the overall practicality of the device. During workpiece processing, high temperatures are generated. At this time, the cooling assembly starts operating, effectively cooling the thread rolling assembly and the workpiece, thereby further improving the thread rolling effect and extending the overall service life of the device. At the same time, it can blow away the waste generated during the thread rolling process, thus preventing the waste from affecting the thread rolling effect.

[0034] To effectively perform thread rolling on the workpiece, the thread rolling assembly includes rotating rods 22 rotatably connected to the front and rear inner walls of two C-shaped frames 3, respectively. Connecting frames 23 are fixedly connected to the other ends of the rotating rods 22. Drive motors 4 are fixedly connected to the front surfaces of both C-shaped frames 3. The output shaft of the drive motors 4 is fixedly connected to one end of one of the rotating rods 22 via a coupling. Inserts 24 are provided inside the connecting frames 23, and mounting rods 25 are fixedly connected to the outside of the inserts 24. A thread rolling roller 5 is fixedly connected between every two mounting rods 25. When processing is required, the workpiece is simply placed on the placement plate 11, at which point the hydraulic cylinder 8 begins to operate. The hydraulic cylinder 8 drives the connecting plate 6 to move synchronously, and the connecting plate 6 then drives one of the C-shaped frames 3 to move synchronously. At this time, the two tooth-rolling rollers 5 can be brought closer to each other. When the outside of the two tooth-rolling rollers 5 are in contact with the outside of the workpiece, the two drive motors 4 start running synchronously. At this time, the drive motors 4 drive the rotating rod 22 to rotate synchronously, the rotating rod 22 then drives the connecting frame 23 to rotate synchronously, the connecting frame 23 then drives the insert block 24 and the mounting rod 25 to rotate synchronously, and the mounting rod 25 then drives the tooth-rolling rollers 5 to rotate synchronously. At this time, the workpiece can be effectively tooth-rolled by the rotation of the two tooth-rolling rollers 5 (the rotation direction of the two tooth-rolling rollers 5 is the same).

[0035] Considering that the specifications of the thread rolling roller 5 need to be changed and adjusted when performing thread rolling processing on workpieces with different pitches, the installation assembly includes connecting rods 26 symmetrically arranged on both sides of the outer wall of the connecting frame 23. The other end of each connecting rod 26 is fixedly connected to a limiting plate 27. An abutment plate 28 is slidably connected to the outside of every two connecting rods 26. A return spring 29 is sleeved on the outside of each connecting rod 26, and the return springs 29 abut against the abutment plate 28 and the limiting plate 27. A cross pull plate 31 is fixedly connected to one side of the abutment plate 28 via a side plate 30. Insert rods 32 are symmetrically arranged on the other side of the abutment plate 28. Guide grooves for the insertion rods 32 are opened on both sides of the outer wall of the connecting frame 23 and the insert block 24. When the thread rolling roller 5 needs to be fixedly installed, simply pull the cross pull plate 31 first. The cross pull plate 31 will then drive the side plate 30 to move synchronously, and the side plate 30 will then drive the abutment plate 28. The connecting rod 26 moves synchronously outside. During the movement of the contact plate 28, the return spring 29 is squeezed. The contact plate 28 also drives the insertion rod 32 to move synchronously. At this time, the insertion block 24 is inserted into the interior of the connecting frame 23. Then the cross pull plate 31 is released. At this time, the return spring 29 is reset and drives the contact plate 28 to move synchronously. The contact plate 28 then drives the insertion rod 32 to move synchronously. When the insertion rod 32 is inserted into the guide grooves on both sides of the outer wall of the insertion block 24, the insertion block 24 and the connecting frame 23 can be fixed. At this time, the thread rolling roller 5 can be fixedly installed. At the same time, it is convenient for the staff to disassemble the thread rolling roller 5, so that the staff can change and adjust the specifications of the thread rolling roller 5 according to actual needs. This allows the device to effectively perform thread rolling treatment on workpieces with different pitches, effectively improving the overall practicality of the device and reducing the production cost of the producer.

[0036] In order to effectively extend the service life of the return spring 29, a bellows cover 33 is provided on the outside of each of the multiple connecting rods 26. The two ends of the bellows cover 33 are fixedly connected to the opposite side of the contact plate 28 and the limiting plate 27, respectively. The bellows cover 33 can effectively protect the return spring 29 from dust and water, thereby effectively preventing the return spring 29 from rusting and extending its service life. At the same time, it will not affect the normal use of the return spring 29.

[0037] To effectively improve the stability of one of the tooth-rolling rollers 5 during movement, multiple fixing blocks 19 are fixedly connected to the upper surface of the processing table 1. A guide rod 20 is fixedly connected between every two fixing blocks 19. A guide plate 21 is symmetrically provided at the bottom of one of the C-shaped frames 3. The interior of both guide plates 21 is provided with guide grooves for the guide rods 20 to move. During the movement of one of the C-shaped frames 3, the guide plates 21 will also move synchronously outside the guide rods 20. At this time, both the guide plates 21 and the guide rods 20 can effectively play a limiting and guiding role, thereby effectively improving the stability of one of the C-shaped frames 3 during movement, and thus effectively improving the stability of one of the tooth-rolling rollers 5 during movement, and improving the tooth-rolling effect of the tooth-rolling roller 5 on the workpiece.

[0038] In addition, to effectively cool the workpiece, the cooling assembly includes a rear plate 13 fixedly connected to the rear end surface of the processing table 1. An air suction pump 14 is fixedly connected to the upper surface of the rear plate 13. The air inlet of the air suction pump 14 is connected to an air suction head 15 via a pipe. A filter screen 16 is installed inside the air suction head 15. The air outlet of the air suction pump 14 is connected to an exhaust hood 18 via a metal bellows pipe 17. During workpiece processing, high temperatures are generated. At this time, the air suction pump 14 starts operating, drawing air from the external environment through the air suction head 15 to the inside of the metal bellows pipe 17, then to the inside of the exhaust hood 18, and finally... The air is discharged through the exhaust hood 18, which effectively cools the workpiece and the tooth-rolling roller 5 during the processing, thereby improving the tooth-rolling effect of the workpiece and extending the service life of the tooth-rolling roller 5. The filter screen 16 effectively intercepts and filters impurities in the external environment. The metal bellows 17 allows the operator to easily adjust the angle of the exhaust hood 18. Furthermore, the cooling components can blow off debris adhering to the outside of the workpiece and the tooth-rolling roller 5 to a certain extent, thus preventing debris from affecting the tooth-rolling effect and quality of the workpiece.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A tooth-rolling mechanism for a tooth-rolling machine, comprising a processing table (1), characterized in that, Also includes: Two C-shaped frames (3) are located above the processing table (1). The exterior of one of the C-shaped frames (3) is fixedly connected to the upper surface of the processing table (1) through multiple support frames (2). The exterior of the other C-shaped frame (3) is symmetrically provided with connecting plates (6). A fixing plate (7) is fixedly connected to the upper surface of the processing table (1). The interior of the fixing plate (7) has two through holes for installing hydraulic cylinders (8). The telescopic ends of the two hydraulic cylinders (8) are fixedly connected to the exterior of the two connecting plates (6) respectively. The tooth-rubbing components are respectively disposed inside the two C-shaped frames (3); The mounting components are located on the outside of the tooth-flicking assembly; Mounting sleeve (9) is fixedly connected to the upper surface of the processing table (1). The interior of the mounting sleeve (9) is provided with a movable plate (10). The upper surface of the movable plate (10) is fixedly connected with a placement plate (11). The movable plate (10) and the mounting sleeve (9) are fixedly connected by bolts. The upper surface of the placement plate (11) is provided with balls (12) at equal intervals. A cooling component is disposed on the rear end surface of the processing table (1).

2. The tooth-rolling mechanism of a tooth-rolling machine according to claim 1, characterized in that: The tooth-rolling assembly includes rotating rods (22) rotatably connected to the front and rear inner walls of two C-shaped frames (3), and connecting frames (23) are fixedly connected to the other ends of the multiple rotating rods (22). A drive motor (4) is fixedly connected to the front surface of the two C-shaped frames (3). The output shaft of the drive motor (4) is fixedly connected to one end of one of the rotating rods (22) through a coupling. Inserts (24) are provided inside the multiple connecting frames (23). Mounting rods (25) are fixedly connected to the outside of the multiple inserts (24). A tooth-rolling roller (5) is fixedly connected between every two mounting rods (25).

3. The tooth-rolling mechanism of a tooth-rolling machine according to claim 2, characterized in that: The installation assembly includes connecting rods (26) symmetrically arranged on both sides of the outer wall of the connecting frame (23). The other end of each of the connecting rods (26) is fixedly connected to a limiting plate (27). A contact plate (28) is slidably connected to the outside of each pair of connecting rods (26). A return spring (29) is sleeved on the outside of each of the connecting rods (26). The return springs (29) abut against the contact plate (28) and the limiting plate (27). A cross pull plate (31) is fixedly connected to one side of the contact plate (28) through a side plate (30). A plug rod (32) is symmetrically arranged on the other side of the contact plate (28). Guide grooves for the plug rod (32) to move are opened on both sides of the outer wall of the connecting frame (23) and the plug block (24).

4. The tooth-rolling mechanism of a tooth-rolling machine according to claim 3, characterized in that: Each of the connecting rods (26) is fitted with a bellows cover (33), and the two ends of the bellows cover (33) are fixedly connected to the opposite side of the contact plate (28) and the limiting plate (27), respectively.

5. The tooth-rolling mechanism of a tooth-rolling machine according to claim 1, characterized in that: The upper surface of the processing table (1) is fixedly connected with a plurality of fixed blocks (19), and a guide rod (20) is fixedly connected between each pair of fixed blocks (19). A guide plate (21) is symmetrically provided at the bottom of one of the C-shaped frames (3), and a guide groove for the guide rod (20) to move is provided inside the two guide plates (21).

6. The tooth-rolling mechanism of a tooth-rolling machine according to claim 1, characterized in that: The cooling assembly includes a rear plate (13) fixedly connected to the rear end surface of the processing table (1). An air intake pump (14) is fixedly connected to the upper surface of the rear plate (13). The air intake end of the air intake pump (14) is connected to an air intake head (15) through a pipe. The air intake head (15) is equipped with a filter screen (16) inside. The air outlet end of the air intake pump (14) is connected to an air outlet hood (18) through a metal corrugated pipe (17).

Citation Information

Patent Citations

  • Thread rolling mechanism for self-tapping screw machining

    CN220862616U