A rotary chuck for a horizontal stretch-bender

CN224824064UActive Publication Date: 2026-10-09NINGBO CHUANGJIE AUTOMATION CO LTD
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Patent Information

Application Number
CN202522229156.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-22
Publication Date
2026-10-09
Estimated Expiration
2035-10-22

AI Technical Summary

Technical Problem

[0002]拉弯机设备通常需要一个夹持装置用来对需要拉弯的产品两端进行夹持,同时为了实现Y轴方向上的旋转弯曲,通常选择旋转油缸来带动夹持油缸进行旋转弯曲,这种结构有一定缺陷,那就是需要高扭矩油缸作为驱动件,否则会造成设备损坏,但是这种高扭矩油缸的重量和成本均非常大,使用时设备能耗非常高,为了解决上述问题,需要设计一种新的旋转夹头

Benefits of technology

[0022]作为对本技术方案的一种补充,所述的夹持组件包括夹持基座和夹持面板,所述的夹持基座的右侧上安装有夹持面板。

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Abstract

The utility model relates to a rotary chuck for horizontal stretch -bending machine, including clamping subassembly, butt joint seat, rotation subassembly, butt joint seat's one side install rotation subassembly, rotation subassembly inside install the rotating disc, the rotating disc install the transmission shaft that projects to right, transmission shaft's right -hand member install clamping subassembly, rotation subassembly's front side install drive assembly, drive assembly inside install and the drive shaft that rotates disc outside engages, drive assembly install the rotary oil cylinder that drives drive shaft rotation. The utility model has the characteristics such as rotating smooth, convenient operation, improve device clamping firm degree through four -way clamping, reduce equipment energy consumption, reduce overall cost etc.
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Description

Technical Field

[0001] This utility model relates to the field of rotary chuck technology for bending machines, and in particular to a rotary chuck for horizontal bending machines. Background Technology

[0002] Bending machines typically require a clamping device to hold both ends of the product to be bent. To achieve rotational bending in the Y-axis direction, a rotary hydraulic cylinder is usually chosen to drive the clamping cylinder for rotational bending. This structure has certain drawbacks, namely, it requires a high-torque hydraulic cylinder as the driving component, otherwise it will cause damage to the equipment. However, such high-torque hydraulic cylinders are very heavy and expensive, and the equipment consumes a lot of energy during use. To solve the above problems, a new rotary chuck needs to be designed. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a rotary chuck for a horizontal bending machine, which has the characteristics of smooth rotation, convenient operation, improved clamping firmness of the device through four-way clamping, reduced equipment energy consumption, and reduced overall cost.

[0004] The technical solution adopted by this utility model to solve its technical problem is: to provide a rotating chuck for a horizontal bending machine, including a clamping assembly, a docking seat, and a rotating assembly. The rotating assembly is installed on one side of the docking seat, a rotating disk is installed inside the rotating assembly, a transmission shaft extending to the right is installed on the rotating disk, and a clamping assembly is installed on the right end of the transmission shaft.

[0005] A drive assembly is installed on the front side of the rotating assembly, and a drive shaft that meshes with the outer side of the rotating disk is installed inside the drive assembly. A rotary cylinder that drives the drive shaft to rotate is installed on the drive assembly.

[0006] The clamping assembly has a clamping opening at the middle right side. A lower clamping block is installed on the lower side wall of the clamping opening, and a rear clamping block is installed on the rear side wall of the clamping opening. An upper clamping cylinder is installed on the upper end face of the clamping assembly, and a front clamping cylinder is installed on the front side of the clamping assembly. The main shafts of both the upper and front clamping cylinders extend into the clamping opening. An upper clamping block that mates with the main shaft of the upper clamping cylinder is installed on the upper side wall of the clamping opening, and a front clamping block that mates with the main shaft of the front clamping cylinder is installed on the front side wall of the clamping opening.

[0007] In this technical solution, the drive component drives the rotating disk to rotate, and the rotating disk drives the entire clamping component to rotate. The rotary cylinder is selected as the power component to drive the drive component, which greatly reduces the equipment cost and the energy consumption of the device, while ensuring the smooth operation of the equipment. By installing the upper clamping cylinder and the front clamping cylinder on the clamping component, four-way positioning of the clamping port is achieved, thereby improving the clamping firmness.

[0008] As a supplement to this technical solution, a docking block is embedded in the middle of the left side of the docking seat, an injection shaft docking seat is installed in the middle of the docking block, a guide shaft docking seat corresponding to the injection shaft docking seat is installed in the middle of the rotating disk, a guide shaft is installed between the injection shaft docking seat and the guide shaft docking seat, and the guide shaft and the guide shaft docking seat rotate relative to each other. A plug-in core mounting seat communicating with the clamping port is installed on the right side of the guide shaft docking seat.

[0009] In this technical solution, the injection shaft docking seat is installed to facilitate docking with the injection arm on the bending machine. At the same time, the guide shaft docking seat is installed to facilitate the installation of the guide shaft and to ensure stable rotation of the insert and pull core mounting seat.

[0010] As a supplement to this technical solution, the rotating assembly includes a housing structure, a transmission disk, and a positioning washer. The housing structure has an opening on its right side, and a transmission disk matching the opening of the housing structure is installed on the right side of the rotating disk. The right side of the transmission disk is connected to the transmission shaft, and a positioning washer is installed between the rotating disk and the transmission disk.

[0011] In this technical solution, the installation of the housing structure facilitates the installation of the rotating disk, the installation of the positioning washer facilitates the restriction of the transmission disk, and the rotating disk facilitates the rotation of the transmission disk, which enables the clamping assembly to rotate.

[0012] As a supplement to this technical solution, the outer ring of the transmission disk is evenly provided with a number of bolt mounting holes, and a bolt structure that connects with the rotating disk is installed in the bolt mounting holes.

[0013] In this technical solution, bolt mounting ports are provided to facilitate the installation of bolt structures, and multiple bolt structures are used to ensure the stable installation of the transmission disc.

[0014] As a supplement to this technical solution, the outer ring of the drive shaft is uniformly provided with lubricating oil connectors that communicate with the inside of the drive shaft, and the upper side of the rotating component is equipped with a lubricating oil tank through a bracket. The lubricating oil tank is connected to the lubricating oil connectors through a hose.

[0015] This technical room is equipped with a lubricating oil connector to facilitate the entry of lubricating oil into the drive shaft, enabling the lubricating oil to lubricate the inside of the drive shaft. At the same time, a lubricating oil tank is installed to facilitate the replenishment of lubricating oil.

[0016] As a supplement to this technical solution, an operation panel for controlling the upper clamping cylinder and the front clamping cylinder is installed on the front side of the docking seat. The operation panel is used to drive the upper clamping cylinder and the front clamping cylinder to work.

[0017] As a supplement to this technical solution, the drive assembly includes a protective cover housing and a drive shaft mounting base. The drive shaft mounting bases are symmetrically installed on the upper and lower parts of the front side of the rotating assembly, and a drive shaft is installed between the two drive shaft mounting bases. A protective cover housing covering the drive shaft mounting bases and the drive shaft is installed on the front side of the rotating assembly.

[0018] In this technical solution, a drive shaft mounting base is installed to stabilize the rotation of the drive shaft, and a protective cover is installed to protect the drive shaft mounting base and the drive shaft.

[0019] As a supplement to this technical solution, the drive shaft includes a shaft body, an end cone, and a worm shaft body. An end cone is provided at both the upper and lower ends of the worm shaft body. The two end cones are arranged symmetrically. The small diameter end of the end cone is connected to the worm shaft body, and the large diameter end of the end cone is provided with a shaft body for inserting into the drive shaft mounting seat. The worm shaft body and the outer ring of the rotating disk form a worm gear transmission.

[0020] In this technical solution, a shaft is provided to facilitate docking with the drive shaft mounting base. An end cone is provided to ensure structural strength and facilitate the implementation of a clearance structure to avoid interference between the drive shaft and the rotating disk. A worm shaft is provided to drive the rotating disk to rotate.

[0021] As a supplement to this technical solution, a connecting rod is installed on the front side of the main shaft of the front clamping cylinder, and a contact switch is installed at the front part of the cylinder body of the front clamping cylinder. The connecting rod extends forward, and a trigger rod for inserting the contact switch is installed at its front end.

[0022] As a supplement to this technical solution, the clamping assembly includes a clamping base and a clamping panel, and the clamping panel is installed on the right side of the clamping base.

[0023] Beneficial effects: This utility model relates to a rotary chuck for a horizontal bending machine. A drive assembly drives a rotating disk to rotate, which in turn drives the entire clamping assembly. A rotary hydraulic cylinder is chosen as the power source for the drive assembly, significantly reducing equipment costs and energy consumption while ensuring smooth operation. By installing an upper clamping cylinder and a front clamping cylinder on the clamping assembly, four-way positioning of the clamping opening is achieved, improving the clamping strength. It features smooth rotation, convenient operation, improved clamping strength through four-way clamping, reduced equipment energy consumption, and lower overall costs. Attached Figure Description

[0024] Figure 1 This is a structural view of the present invention;

[0025] Figure 2 This is a structural view of the docking block described in this utility model;

[0026] Figure 3 This is the front view of this utility model;

[0027] Figure 4 This is a top view of the present invention;

[0028] Figure 5 This is a utility model Figure 4 A sectional view along the A-A direction in the diagram;

[0029] Figure 6 This is a structural view of the rotating disk described in this utility model;

[0030] Figure 7 This is a utility model Figure 6 A cross-sectional view along the B-B direction in the image;

[0031] Figure 8 This is a structural view of the drive shaft described in this utility model;

[0032] Figure 9 This is a utility model Figure 8 A cross-sectional view along the C-C direction in the image;

[0033] Figure 10 This is the right view of the present invention;

[0034] Figure 11 This is a utility model Figure 10 A cross-sectional view along the D-D direction.

[0035] Illustrations: 1. Clamping assembly; 2. Clamping port; 5. Rotary cylinder; 6. Drive assembly; 7. Lubricating oil tank; 9. Connecting seat; 10. Connecting block; 11. Rotating assembly; 12. Operation panel; 14. Drive shaft; 15. Housing structure; 16. Rotating disk; 17. Positioning washer; 18. Drive disk; 19. Guide shaft connecting seat; 20. Guide shaft; 21. Injection shaft connecting seat; 22. Insert / extract core mounting seat; 23. Bolt mounting port; 24. 1. Bolt structure; 25. Lubricating oil connector; 27. Drive shaft; 28. Drive shaft mounting base; 29. ​​Shaft body; 30. End cone; 31. Worm shaft body; 32. Clamping base; 33. Clamping panel; 34. Upper clamping cylinder; 35. Upper clamping block; 36. Lower clamping block; 37. Front clamping cylinder; 38. Front clamping block; 39. Rear clamping block; 40. Trigger rod; 41. Contact switch; 42. Protective cover housing. Detailed Implementation

[0036] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0037] The embodiments of this utility model relate to a rotating chuck for a horizontal bending machine, such as... Figure 1 — Figure 7 As shown, it includes a clamping assembly 1, a docking seat 9, and a rotating assembly 11. The rotating assembly 11 is installed on one side of the docking seat 9. A rotating disk 16 is installed inside the rotating assembly 11. A drive shaft 14 extending to the right is installed on the rotating disk 16. The clamping assembly 1 is installed on the right end of the drive shaft 14.

[0038] A drive assembly 6 is installed on the front side of the rotating assembly 11. A drive shaft 27 that meshes with the outer side of the rotating disk 16 is installed inside the drive assembly 6. A rotary cylinder 5 that drives the drive shaft 27 to rotate is installed on the drive assembly 6.

[0039] A clamping port 2 is provided at the middle right side of the clamping assembly 1. A lower clamping block 36 is installed on the lower side wall of the clamping port 2, and a rear clamping block 39 is installed on the rear side wall of the clamping port 2. An upper clamping cylinder 34 is installed on the upper end face of the clamping assembly 1, and a front clamping cylinder 37 is installed on the front side of the clamping assembly 1. The main shafts of the upper clamping cylinder 34 and the front clamping cylinder 37 both extend into the clamping port 2. An upper clamping block 35 that connects with the main shaft of the upper clamping cylinder 34 is installed on the upper side wall of the clamping port 2, and a front clamping block 38 that connects with the main shaft of the front clamping cylinder 37 is installed on the front side wall of the clamping port 2.

[0040] In this technical solution, the drive assembly 6 drives the rotating disk 16 to rotate, and the rotating disk 16 drives the entire clamping assembly 1 to rotate. The rotary cylinder 5 is selected as the power component to drive the drive assembly 6, which greatly reduces the equipment cost and the energy consumption of the device, while also ensuring the smooth operation of the equipment. By installing the upper clamping cylinder 34 and the front clamping cylinder 37 on the clamping assembly 1, four-way positioning of the clamping port 2 is achieved, thereby improving the clamping firmness.

[0041] As a supplement to this technical solution, a docking block 10 is embedded in the middle of the left side of the docking seat 9, and an injection shaft docking seat 21 is installed in the middle of the docking block 10. A guide shaft docking seat 19 corresponding to the injection shaft docking seat 21 is installed in the middle of the rotating disk 16. A guide shaft 20 is installed between the injection shaft docking seat 21 and the guide shaft docking seat 19, and the guide shaft 20 and the guide shaft docking seat 19 rotate relative to each other. A plug-in core mounting seat 22 communicating with the clamping port 2 is installed on the right side of the guide shaft docking seat 19.

[0042] In this technical solution, the injection shaft docking seat 21 is installed to facilitate docking with the injection arm on the bending machine. At the same time, the guide shaft docking seat 19 is installed to facilitate the installation of the guide shaft 20. The guide shaft docking seat 19 is also installed to facilitate the stable rotation of the insert core mounting seat 22.

[0043] As a supplement to this technical solution, the rotating assembly 11 includes a housing structure 15, a transmission disk 18, and a positioning washer 17. The housing structure 15 has an opening on its right side. The transmission disk 18, which matches the opening of the housing structure 15, is installed on the right side of the rotating disk 16. The right side of the transmission disk 18 is connected to the transmission shaft 14. The positioning washer 17 is installed between the rotating disk 16 and the transmission disk 18.

[0044] In this technical solution, the housing structure 15 is installed to facilitate the installation of the rotating disk 16, the positioning washer 17 is installed to facilitate the restriction of the transmission disk 18, and the rotating disk 16 is used to facilitate the rotation of the transmission disk 18, which enables the clamping assembly 1 to rotate.

[0045] As a supplement to this technical solution, a plurality of bolt mounting holes 23 are evenly provided on the outer ring of the transmission disk 18, and a bolt structure 24 that mates with the rotating disk 16 is installed in the bolt mounting holes 23.

[0046] In this technical solution, bolt mounting ports 23 are provided to facilitate the installation of bolt structures 24, and multiple bolt structures 24 are used to ensure the stable installation of the transmission disc 18.

[0047] As a supplement to this technical solution, the outer ring of the drive shaft 14 is uniformly provided with lubricating oil connectors 25 that communicate with the inside of the drive shaft 14, and the upper side of the rotating component 11 is equipped with a lubricating oil tank 7 by means of a bracket. The lubricating oil tank 7 is connected to the lubricating oil connectors 25 by means of a hose.

[0048] In this technical room, a lubricating oil connector 25 is installed to facilitate the entry of lubricating oil into the drive shaft 14, so that the lubricating oil can lubricate the inside of the drive shaft 14. At the same time, a lubricating oil tank 7 is installed to facilitate the replenishment of lubricating oil.

[0049] As a supplement to this technical solution, the front side of the docking seat 9 is equipped with an operation panel 12 for controlling the upper clamping cylinder 34 and the front clamping cylinder 37. The operation panel 12 is used to drive the upper clamping cylinder 34 and the front clamping cylinder 37 to work.

[0050] like Figure 8 and Figure 9 As shown, as a supplement to this technical solution, the drive assembly 6 includes a protective cover housing 42 and a drive shaft mounting base 28. The drive shaft mounting bases 28 are symmetrically installed on the upper and lower parts of the front side of the rotating assembly 11, and a drive shaft 27 is installed between the two drive shaft mounting bases 28. The protective cover housing 42 covering the drive shaft mounting bases 28 and the drive shaft 27 is installed on the front side of the rotating assembly 11.

[0051] In this technical solution, the drive shaft mounting base 28 is installed to stabilize the rotation of the drive shaft 27, and the protective cover housing 42 is installed to protect the drive shaft mounting base 28 and the drive shaft 27.

[0052] like Figure 8 and Figure 9As shown, as a supplement to this technical solution, the drive shaft 27 includes a shaft body 29, an end cone 30, and a worm shaft body 31. An end cone 30 is provided at both the upper and lower ends of the worm shaft body 31. The two end cones 30 are arranged symmetrically. The small diameter end of the end cone 30 is connected to the worm shaft body 31. The large diameter end of the end cone 30 is provided with a shaft body 29 for inserting into the drive shaft mounting seat 28. The worm shaft body 31 and the outer ring of the rotating disk 16 form a worm gear transmission.

[0053] In this technical solution, a shaft 29 is provided to facilitate docking with the drive shaft mounting base 28. An end cone 30 is provided to ensure structural strength and facilitate the implementation of a clearance structure to avoid interference between the drive shaft 27 and the rotating disk 16. A worm shaft 31 is provided to drive the rotating disk 16 to rotate.

[0054] like Figure 10 and Figure 11 As shown, as a supplement to this technical solution, a connecting rod is installed on the front side of the main shaft of the front clamping cylinder 37, and a contact switch 41 is installed at the front part of the cylinder body of the front clamping cylinder 37. The connecting rod extends forward, and a trigger rod 40 for inserting the contact switch 41 is installed at its front end.

[0055] As a supplement to this technical solution, the clamping assembly 1 includes a clamping base 32 and a clamping panel 33, with the clamping panel 33 installed on the right side of the clamping base 32.

[0056] Example

[0057] When the device is rotated, the upper clamping cylinder 34 and the front clamping cylinder 37 are operated via the operation panel 12, so that the upper clamping cylinder 34 and the front clamping cylinder 37 extend from the main shaft, pushing the upper clamping block 35 and the front clamping block 38, thereby enabling the clamping port 2 to fix the insert core on all four sides, in order to ensure the fixing strength of the insert core.

[0058] Then, the rotary cylinder 5 is started, which drives the drive shaft 27. The drive shaft 27 rotates, causing the worm shaft 31 on the drive shaft 27 to drive the rotating disk 16. The rotating disk 16 drives the transmission disk 18, the transmission disk 18 drives the transmission shaft 14, and the transmission shaft 14 drives the clamping assembly 1, enabling the clamping assembly 1 to rotate.

Claims

1. A rotary chuck for a horizontal bending machine, characterized in that: It includes a clamping assembly (1), a docking seat (9), and a rotating assembly (11). The rotating assembly (11) is installed on one side of the docking seat (9). A rotating disk (16) is installed inside the rotating assembly (11). A drive shaft (14) extending to the right is installed on the rotating disk (16). The clamping assembly (1) is installed on the right end of the drive shaft (14). A drive assembly (6) is installed on the front side of the rotating assembly (11). A drive shaft (27) that meshes with the outside of the rotating disk (16) is installed inside the drive assembly (6). A rotary cylinder (5) that drives the drive shaft (27) to rotate is installed on the drive assembly (6). A clamping port (2) is provided at the middle right side of the clamping assembly (1). A lower clamping block (36) is installed on the lower side wall of the clamping port (2). A rear clamping block (39) is installed on the rear side wall of the clamping port (2). An upper clamping cylinder (34) is installed on the upper end face of the clamping assembly (1). A front clamping cylinder (37) is installed on the front side of the clamping assembly (1). The main shafts of the upper clamping cylinder (34) and the front clamping cylinder (37) extend into the clamping port (2). An upper clamping block (35) that connects with the main shaft of the upper clamping cylinder (34) is installed on the upper side wall of the clamping port (2). A front clamping block (38) that connects with the main shaft of the front clamping cylinder (37) is installed on the front side wall of the clamping port (2).

2. The rotary chuck for a horizontal bending machine according to claim 1, characterized in that: A docking block (10) is embedded in the middle of the left side of the docking seat (9). An injection shaft docking seat (21) is installed in the middle of the docking block (10). A guide shaft docking seat (19) corresponding to the injection shaft docking seat (21) is installed in the middle of the rotating disk (16). A guide shaft (20) is installed between the injection shaft docking seat (21) and the guide shaft docking seat (19). The guide shaft (20) and the guide shaft docking seat (19) rotate relative to each other. A plug-in core mounting seat (22) communicating with the clamping port (2) is installed on the right side of the guide shaft docking seat (19).

3. A rotary chuck for a horizontal bending machine according to claim 1, characterized in that: The rotating assembly (11) includes a housing structure (15), a transmission disk (18), and a positioning washer (17). The housing structure (15) has an opening on its right side. The transmission disk (18) matching the opening of the housing structure (15) is installed on the right side of the rotating disk (16). The right side of the transmission disk (18) is connected to the transmission shaft (14). The positioning washer (17) is installed between the rotating disk (16) and the transmission disk (18).

4. A rotary chuck for a horizontal bending machine according to claim 3, characterized in that: The outer ring of the transmission disk (18) is evenly provided with a number of bolt mounting holes (23), and the bolt mounting holes (23) are fitted with bolt structures (24) that are connected to the rotating disk (16).

5. A rotary chuck for a horizontal bending machine according to claim 1, characterized in that: The outer ring of the drive shaft (14) is uniformly provided with lubricating oil connectors (25) that communicate with the inside of the drive shaft (14). The upper side of the rotating component (11) is equipped with a lubricating oil tank (7) through a bracket. The lubricating oil tank (7) is connected to the lubricating oil connectors (25) through a hose.

6. A rotary chuck for a horizontal bending machine according to claim 1, characterized in that: The docking seat (9) is equipped with an operation panel (12) for controlling the upper clamping cylinder (34) and the front clamping cylinder (37).

7. A rotary chuck for a horizontal bending machine according to claim 1, characterized in that: The drive assembly (6) includes a protective cover housing (42) and a drive shaft mounting base (28). The drive shaft mounting bases (28) are symmetrically mounted on the upper and lower parts of the front side of the rotating assembly (11). A drive shaft (27) is mounted between the two drive shaft mounting bases (28). A protective cover housing (42) covering the drive shaft mounting bases (28) and the drive shaft (27) is mounted on the front side of the rotating assembly (11).

8. A rotary chuck for a horizontal bending machine according to claim 7, characterized in that: The drive shaft (27) includes a shaft body (29), an end cone (30), and a worm shaft body (31). The worm shaft body (31) has an end cone (30) on both its upper and lower ends. The two end cones (30) are arranged symmetrically. The small diameter end of the end cone (30) is connected to the worm shaft body (31). The large diameter end of the end cone (30) is provided with a shaft body (29) for inserting into the drive shaft mounting seat (28). The worm shaft body (31) and the outer ring of the rotating disk (16) form a worm gear transmission.

9. A rotary chuck for a horizontal bending machine according to claim 1, characterized in that: A connecting rod is installed on the front side of the main shaft of the front clamping cylinder (37), and a contact switch (41) is installed at the front part of the cylinder body of the front clamping cylinder (37). The connecting rod extends forward and a trigger rod (40) for inserting the contact switch (41) is installed at its front end.

10. A rotary chuck for a horizontal bending machine according to claim 1, characterized in that: The clamping assembly (1) includes a clamping base (32) and a clamping panel (33), with the clamping panel (33) mounted on the right side of the clamping base (32).