Tooth broaching tool for thin-wall inner gear ring

Abstract

The utility model relates to the technical field of gear broaching tools, and discloses a thin-wall inner gear ring gear broaching tool which comprises a supporting base and a supporting frame, a machining table is fixedly connected to the top of the supporting base, a hollow hole is formed in the center of the machining table, a sliding assembly is arranged in the machining table, and the supporting frame is fixedly connected with the supporting base. The sliding assembly is used for fixing a thin-wall inner gear ring to be machined. And the sliding assembly comprises a first clamp and a connecting plate, the first clamp is slidably connected to the interior of the machining table, the bottom of the connecting plate is fixedly connected to the top of the first clamp, and an electric telescopic rod is fixedly connected to the interior of the connecting plate. According to the thin-wall inner gear ring fixing device, the output end of the electric telescopic rod drives the connecting column and the second clamp to move and is linked with the connecting plate and the first clamp at the same time, so that the effect of fixing thin-wall inner gear rings of different sizes is achieved, and the problem that when a common clamp fixes and clamps the thin-wall inner gear rings, the thin-wall inner gear rings are bent and deformed is solved; and the protection performance of the gear broaching tool on the thin-wall inner gear ring is improved.

Description

Technical Field

[0001] This utility model relates to the field of tooth-pulling tooling technology, and in particular to a tooth-pulling tooling for a thin-walled internal gear ring. Background Technology

[0002] Thin-walled internal gear rings are widely used in the automotive, aerospace, and precision machinery industries as important transmission and connection components. With the increasing demands for precision and processing efficiency in these fields, the processing technology for thin-walled internal gear rings is constantly evolving. Broaching, a commonly used gear processing method, can ensure the internal tooth accuracy and surface quality of thin-walled internal gear rings. However, due to the thin-walled characteristics and high precision requirements of thin-walled internal gear rings, effectively fixing the workpiece and preventing deformation during processing has always been a technical challenge. Furthermore, the frequent replacement of broaches of different specifications during processing makes improving tool changing efficiency and maintaining high precision a significant challenge for the manufacturing industry. Therefore, developing a tooling device that can effectively fix thin-walled internal gear rings and improve broach changing efficiency is of great significance for improving the processing quality and efficiency of thin-walled internal gear rings.

[0003] Currently, most processing equipment for thin-walled internal gear rings on the market mainly adopts traditional clamping structures and mechanical fixing methods. The clamps usually use two types of methods to fix the workpiece: one is through external clamping devices, and the other is by using internal clamping force for fixing. These clamps use mechanical handles or hydraulic systems to adjust the clamping force to ensure the stability of the workpiece.

[0004] In traditional fixture designs, when fixing thin-walled internal gear rings, uneven clamping force or a single fixing method can easily lead to bending deformation of the thin-walled internal gear ring, affecting machining accuracy and surface quality. This problem is particularly prominent, especially when using ordinary fixtures to fix thin-walled workpieces. The fixtures fail to fully adapt to the characteristics of thin-walled internal gear rings, resulting in uneven force distribution and deformation. Deformation of the thin-walled internal gear ring not only affects the accuracy of broaching but also leads to increased tool wear during machining, thus affecting the efficiency of the entire production process. Therefore, effectively avoiding the deformation of thin-walled internal gear rings during machining is the key to improving broaching performance and ensuring workpiece accuracy. To address this issue, a broaching fixture for thin-walled internal gear rings is proposed. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a tooling for pulling thin-walled internal gear rings, which aims to improve the problem that when fixing thin-walled internal gear rings with ordinary clamps, the thin-walled internal gear rings will bend and deform.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a thin-walled internal gear ring gear pulling tool, comprising a support base and a support frame, wherein a processing table is fixedly connected to the top of the support base, a hollow hole is provided in the center of the processing table, and a sliding component is provided inside the processing table, the sliding component being used to fix the thin-walled internal gear ring to be processed;

[0007] The sliding assembly includes a clamp one and a connecting plate. The clamp one is slidably connected inside the processing table. The bottom of the connecting plate is fixedly connected to the top of the clamp one. An electric telescopic rod is fixedly connected inside the connecting plate. A connecting column is fixedly connected to the output end of the electric telescopic rod. A clamp two is fixedly connected to the bottom of the connecting column. An L-shaped rod is rotatably connected to the side wall of the clamp two. A hollow block is rotatably connected to one end of the L-shaped rod. A cylinder is fixedly connected to the top of the support frame. A hollow column is fixedly connected to the output end of the cylinder. A disassembly assembly is provided inside the hollow column. The disassembly assembly is used for replacing the tooth-pulling tool.

[0008] As a further description of the above technical solution: the disassembly assembly includes a sliding column one and a sliding column two, the sliding column one being slidably connected inside the hollow column, and the sliding column two being slidably connected inside the hollow column;

[0009] As a further description of the above technical solution: a rotating rod is rotatably connected inside the sliding column two, and a ring is fixedly connected to the outer wall of the rotating rod;

[0010] As a further description of the above technical solution: one end of the rotating rod is fixedly connected to a threaded column, and the threaded column is externally threaded into the interior of the sliding column.

[0011] As a further description of the above technical solution: a handle is fixedly connected to the other end of the rotating rod, and the outer wall of the ring is in contact with the outer wall of the sliding column.

[0012] As a further description of the above technical solution: a limiting rod is fixedly connected to the bottom of the sliding column, and the limiting rod is slidably connected inside the hollow column;

[0013] As a further description of the above technical solution: a puller is provided inside the first slide column and the second slide column, and the top of the puller is engaged inside the first slide column and the second slide column.

[0014] This utility model has the following beneficial effects:

[0015] 1. In this utility model, the output end of the electric telescopic rod drives the connecting column and the second clamp to move, and at the same time, it is linked with the connecting plate and the first clamp. Then, the L-shaped rod and the hollow block cooperate to drive the synchronous movement of the clamp assembly, thereby achieving the effect of fixing thin-walled internal gear rings of different sizes. This solves the problem that when fixing thin-walled internal gear rings, ordinary clamps will cause the thin-walled internal gear rings to bend and deform, thus improving the protection of the tooth-pulling tool for the thin-walled internal gear rings.

[0016] 2. In this utility model, the threaded column and the ring are rotated by rotating the handle. The threaded column rotates inside the first sliding column. Then, the first sliding column and the second sliding column move and clamp inside the hollow column, thereby achieving the effect of installing and disassembling broaches of different sizes and types. This solves the problem of frequently changing broaches of different sizes and types when processing thin-walled internal gear rings, and improves the efficiency of the broaching tooling. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of a thin-walled internal gear ring tooth-pulling tool proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the hollow block structure of a thin-walled internal gear ring tooth-pulling tool proposed in this utility model;

[0019] Figure 3 A schematic diagram of the hollow column structure of a thin-walled internal gear ring tooth-pulling tool proposed in this utility model;

[0020] Figure 4 This is a schematic diagram of the threaded column structure of a thin-walled internal gear ring broaching tool proposed in this utility model.

[0021] Legend:

[0022] 1. Support base; 2. Machining table; 3. Fixture 1; 4. Support frame; 5. Cylinder; 6. Hollow column; 7. Hollow hole; 8. Broach; 9. Electric telescopic rod; 10. Connecting plate; 11. Connecting column; 12. Fixture 2; 13. L-shaped rod; 14. Hollow block; 15. Sliding column 1; 16. Sliding column 2; 17. Rotating rod; 18. Handle; 19. Ring; 20. Limiting rod; 21. Threaded column. Detailed Implementation

[0023] 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.

[0024] Reference Figure 1 and Figure 2 The present invention provides an embodiment of a thin-walled internal gear ring gear pulling tool, comprising a support base 1 and a support frame 4. A processing table 2 is fixedly connected to the top of the support base 1. A hollow hole 7 is provided in the center of the processing table 2 to facilitate the insertion or adjustment of tools during the processing. A sliding component is provided inside the processing table 2 to fix the thin-walled internal gear ring to be processed, so as to ensure the stability and accuracy during the processing.

[0025] The sliding assembly includes a first fixture 3 and a connecting plate 10. The first fixture 3 is slidably connected inside the machining table 2, allowing for precise adjustment within the machining table 2 to accommodate thin-walled internal gear rings of different sizes. The bottom of the connecting plate 10 is fixedly connected to the top of the first fixture 3, enhancing the connection stability between the fixture and the machining table 2. An electric telescopic rod 9 is fixedly connected inside the connecting plate 10, used to adjust the position of the fixture. Its output end is fixedly connected to a connecting column 11, which can drive the second fixture 12 to move synchronously, ensuring that the second fixture 12 moves in sync with the first fixture. To achieve balance and coordination between the two components, a clamp 12 is fixedly connected to the bottom of the connecting column 11. The clamp 12 is used to hold the other side of the thin-walled internal gear ring, ensuring that the internal gear ring is firmly fixed during processing. An L-shaped rod 13 is rotatably connected to the side wall of the clamp 12. The L-shaped rod 13 serves as a connection and adjustment mechanism, and the clamping force of the clamp can be adjusted by rotation. A hollow block 14 is rotatably connected to one end of the L-shaped rod 13. The cooperation between the hollow block 14 and the L-shaped rod 13 can effectively adjust the clamping range of the clamp 12, ensuring that it can meet the fixing requirements of thin-walled internal gear rings of different sizes.

[0026] Specifically, when machining a thin-walled internal gear ring, the internal gear ring is first placed on a stable machining table 2 to ensure it is stable and without deviation. Then, the electric telescopic rod 9 is activated, and the output end of the electric telescopic rod 9 begins to retract, thereby driving the connecting column 11 to move along a predetermined trajectory. The movement of the connecting column 11 then pushes the second clamp 12 to slide along the bottom of the machining table 2. At this time, the second clamp 12 slides smoothly on the surface of the machining table 2, driving the connecting plate 10 on the other side to move synchronously. The movement of the connecting plate 10 further drives the electric telescopic rod 9 to adjust its position. With the movement of the electric telescopic rod 9, the first clamp 3 and the second clamp 12 simultaneously move towards the center position of the machining table 2. By moving closer together, the symmetry and stability of the fixture are ensured. As the second fixture 12 moves towards the center, it also pushes the L-shaped rod 13 to shift and rotate at a certain angle. The rotation of the L-shaped rod 13 causes the hollow block 14 to rotate. The cooperation between the hollow block 14 and the L-shaped rod 13 forms a precise linkage mechanism. This linkage enables the clamping and fixing components on the machining table 2 to move towards the center synchronously and evenly, ultimately achieving the fastening and fixing of the outer wall of the thin-walled inner gear ring of different sizes. This ensures the stability of the machining process, avoids workpiece deformation or loosening caused by insecure clamping, and improves the accuracy and safety of the machining.

[0027] Reference Figure 3 and Figure 4 The disassembly assembly includes a first slide column 15 and a second slide column 16. The first slide column 15 is slidably connected inside the hollow column 6. The sliding connection between the first slide column 15 and the second slide column 16 allows the assembly to move relative to each other within the hollow column 6, enabling adjustment and fixation at different positions. The second slide column 16 is also slidably connected inside the hollow column 6, and a rotating rod 17 is rotatably connected inside the second slide column 16. The internal rotatable connection of the rotating rod 17 and its cooperation with the second slide column 16 ensures unobstructed rotation of the rotating rod 17, increasing the ease of operation during disassembly and installation. A ring 19 is fixedly connected to the outer wall of the rotating rod 17, and a threaded post 21 is fixedly connected to one end of the rotating rod 17. The threaded post 21 and its threaded connection with the inside of the first slide column 15 allow the rotating rod 17 to rotate freely. The sliding rod 15 can move relative to the hollow column 6. The threaded column 21 is externally threaded and connected to the inside of the sliding rod 15. The other end of the rotating rod 17 is fixedly connected to the handle 18. The fixing function of the handle 18 makes the rotating rod 17 easier to grip and rotate during operation. The operator can apply appropriate torque through the handle 18 for adjustment. The outer wall of the ring 19 fits against the outer wall of the sliding rod 16. The bottom of the sliding rod 15 is fixedly connected to the limit rod 20, which is slidably connected inside the hollow column 6. The limit rod 20 plays a limiting role in the movement of the sliding rod 15 by connecting with the bottom of the sliding rod 15. The sliding rod 15 and the sliding rod 16 are equipped with pull cutters 8. The top of the pull cutters 8 are engaged inside the sliding rod 15 and the sliding rod 16.

[0028] Specifically, when the thin-walled internal gear ring is fixed above the machining table 2, efficient broaching can be performed on the thin-walled internal gear ring by selecting broaches 8 of different sizes and types. This process is accomplished by rotating the handle 18 to adjust the structure. After rotating the handle 18, the rotating rod 17 is driven to rotate, and the rotation of the rotating rod 17 in turn drives the ring 19 to rotate accordingly. In addition, the rotation of the rotating rod 17 will also drive the threaded column 21 to rotate. The rotation of the threaded column 21, through its cooperation with other components, further promotes the movement of slide column 15 and slide column 26 in the air. The core column 6 undergoes smooth and precise internal displacement. The movement of slide column 15 and slide column 2 16 allows the broach 8 to be flexibly and securely clamped or released, thereby completing the adaptation and replacement of broaches 8 of different sizes. This ensures the accuracy and matching of the broach 8 dimensions during the machining process. Finally, by activating cylinder 5, the output end of cylinder 5 drives the hollow column 6 forward. The movement of the hollow column 6 pushes the broach 8 toward the thin-walled internal gear ring. The contact between the broach 8 and the thin-walled internal gear ring allows the broaching process to proceed smoothly, thereby improving production efficiency and machining quality.

[0029] Working Principle: When processing a thin-walled internal gear ring, first place the internal gear ring on the processing table 2. Then, activate the electric telescopic rod 9. The output end of the electric telescopic rod 9 retracts, causing the connecting column 11 to move. The movement of the connecting column 11 causes the clamp 12 to move. At this time, the clamp 12 slides at the bottom of the processing table 2. The movement of the clamp 12 simultaneously moves the connecting plate 10 on the other side. The movement of the connecting plate 10 simultaneously moves the electric telescopic rod 9. At this time, the clamp 1 and clamp 12 move towards the center of the processing table 2. When the clamp 12 moves towards the center, it pushes the L-shaped rod 13 to rotate. The rotation of the L-shaped rod 13 causes the hollow block 14 to rotate. At this time, through the mutual cooperation and linkage between the hollow block 14 and the L-shaped rod 13, the clamping and fixing components on the processing table 2 move towards their center synchronously, thereby achieving the clamping and fixing of different sizes. The thin-walled internal gear ring is fixed on the machining table 2. Different sizes of broaches 8 can be selected and replaced to broach the thin-walled internal gear ring. This is done by turning the handle 18, which drives the rotating rod 17. The rotating rod 17 drives the ring 19 to rotate, and at the same time, the rotating rod 17 drives the threaded column 21 to rotate. Then, the rotating rod 17 drives the ring 19 and the threaded column 21 to rotate, so that the sliding column 15 and the sliding column 26 move inside the hollow column 6. The movement of the sliding column 15 and the sliding column 26 clamps the broaches, thereby achieving the purpose of replacing and adapting different sizes of broaches 8. Finally, the cylinder 5 is started. The output end of the cylinder 5 drives the hollow column 6 to move. The hollow column 6 drives the broaches 8 to move towards the thin-walled internal gear ring, thereby performing broaching processing on the thin-walled internal gear ring.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A thin-walled ring gear broaching tool comprising a support base (1) and a support frame (4), characterized in that: The support base (1) top fixed connection has processing platform (2), hollow hole (7) is set in the processing platform (2) center, the processing platform (2) inside is provided with sliding assembly, the sliding assembly is used for fixing the thin-walled inner gear ring to be processed; The sliding assembly includes clamp one (3) and connecting plate (10), the clamp one (3) is slidably connected in the processing platform (2), the connecting plate (10) bottom is fixedly connected in the clamp one (3) top, the connecting plate (10) inside is fixedly connected with electric telescopic rod (9), the electric telescopic rod (9) output end is fixedly connected with connecting column (11), the connecting column (11) bottom is fixedly connected with clamp two (12), the clamp two (12) side wall is rotatably connected with L type rod (13), the L type rod (13) one end is rotatably connected with hollow block (14), the support frame (4) top is fixedly connected with air cylinder (5), the air cylinder (5) output end is fixedly connected with hollow column (6), the hollow column (6) is provided with dismounting assembly inside, the dismounting assembly is used for replacing the pull tooth tool.

2. A thin-walled ring gear skiving tool according to claim 1, characterized in that: The dismounting assembly includes slide column one (15) and slide column two (16), the slide column one (15) is slidably connected in the hollow column (6), the slide column two (16) is slidably connected in the hollow column (6).

3. A thin-walled ring gear skiving tool according to claim 2, characterized in that: The slide column two (16) inside is rotatably connected with rotating rod (17), and the rotating rod (17) outer wall is fixedly connected with circular ring (19).

4. A thin-walled ring gear backstoping tool as claimed in claim 3, characterized in that: One end of the rotating rod (17) is fixedly connected with threaded column (21), and the threaded column (21) is externally threaded in the slide column one (15).

5. A thin-walled ring gear skiving tool according to claim 4, characterized in that: The other end of the rotating rod (17) is fixedly connected with handle (18), and the circular ring (19) outer wall is fitted with the slide column two (16) outer wall.

6. A thin-walled ring gear skiving tool according to claim 5, characterized in that: The slide column one (15) bottom is fixedly connected with limit rod (20), and the limit rod (20) is slidably connected in the hollow column (6).

7. A thin-walled ring gear skiving tool according to claim 6, characterized in that: The slide column one (15) and the slide column two (16) are provided with pull knife (8) inside, and the pull knife (8) top is clamped in the slide column one (15) and the slide column two (16) inside.

Images