A pin gear housing gear shaping tooling

By designing the needle tooth shell insert tooling, automatic cutting is achieved using rotating bearings and sliding groove structures, the problem of half-hole unevenness caused by human adjustment is solved, the processing accuracy and efficiency are improved, and the smooth operation of the reducer is ensured.

CN112247232BActive Publication Date: 2025-07-11ZHONGNENG TIANJIN INTELLIGENT TRANSMISSION EQUIP CO LTD
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Patent Information

Application Number
CN202011116937.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-10-19
Publication Date
2025-07-11
Estimated Expiration
2040-10-19

AI Technical Summary

Technical Problem

When the existing processing devices process the half-hole of the needle tooth shell, the half-hole distribution is uneven due to artificial adjustment, which affects the accuracy.

Method used

A needle-tooth shell tooth plug tool is designed, including a needle-tooth shell support seat and a tooth rotary base. It is connected by rotating bearings and combined with sliding grooves, moving blocks, springs and screws, so as to achieve automated cutting to ensure uniform processing of half-holes.

Benefits of technology

It realizes single-person operation, improves work efficiency, ensures the cylindricality and positionality of the half-hole, and ensures smooth and free of lags in the reducer.

✦ Generated by Eureka AI based on patent content.

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Abstract

A pin gear housing gear shaping tooling, comprising a pin gear housing support seat for placing the pin gear housing and a gear shaping rotary base. The pin gear housing is placed on the pin gear housing support seat. A rotary bearing is provided at the inner bottom of the pin gear housing support seat. The gear shaping rotary base is connected to the pin gear housing support seat through the rotary bearing. A notch groove is provided at the upper part of the gear shaping rotary base. A sliding groove is horizontally provided on the notch groove wall left after the notch groove is provided on the gear shaping rotary base, extending from the outer side wall to the inside. A moving block is slidably provided on one side of the sliding groove close to the opening end. A push knife pressing plate is connected to the side wall of the moving block facing the outside of the opening end. Compared with the previous manual gear shaping, the present invention can be operated by a single person without the cooperation and assistance of others, greatly improving the work efficiency. Through the gear shaping rotary base, the finish machining of the pin gear housing after the semi-finishing allowance of the semi-circular hole is ensured, and the cylindricity, center circle diameter and position accuracy of the semi-circular hole after machining are guaranteed, so that the RV reducer runs smoothly after installation.
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Description

Technical Field

[0001] The present invention relates to processing equipment, and in particular to a pin gear housing gear shaping tooling fixture. Background Art

[0002] In a planetary cycloid pinwheel speed reducer, the pin gear housing is an important component part. The accuracy of the semi-hole of the pin gear housing determines the running effect of the speed reducer. During the process of machining a semi-hole on the inner side of the pin gear housing by existing processing devices, it is necessary to manually adjust the position of the pin gear housing to cut a semi-hole. Since there are always deviations in manual adjustment, it is easy to make the distribution of the semi-holes uneven, affecting the accuracy of the semi-holes of the pin gear housing. Summary of the Invention

[0003] In order to solve the above problems, the present invention provides a gear shaping tooling fixture that can machine uniform semi-holes on the pin gear housing.

[0004] The technical solution adopted by the present invention is as follows:

[0005] A pin gear housing gear shaping tooling fixture includes a pin gear housing support seat for placing the pin gear housing and a gear shaping rotary base. The pin gear housing is placed on the pin gear housing support seat. A rotary bearing is provided at the inner bottom of the pin gear housing support seat. The gear shaping rotary base is connected to the pin gear housing support seat through the rotary bearing. A notch groove is provided at the upper part of the gear shaping rotary base. A sliding groove is horizontally provided on the notch groove wall left after the notch groove is opened on the gear shaping rotary base, extending from the outer side wall towards the inside. A moving block is slidably provided on one side of the sliding groove close to the open end. A push knife pressing plate is connected to the side wall of the moving block facing the outside of the open end. A spring seat is connected to the inner side of the moving block in the sliding groove. A groove inner spring seat is provided at the bottom of the sliding groove. A spring is connected between the two spring seats. A threaded hole is provided on the bottom wall of the sliding groove on the notch groove wall. A screw rod is threadedly connected in the threaded hole. The end of the screw rod is connected to the groove inner spring seat. A pull rod is slidably inserted into the sliding groove on the notch groove wall. One end of the pull rod in the sliding groove is connected to the moving block. A linear bearing is fixed on the top of the gear shaping rotary base. A linear shaft is inserted into the linear bearing. The top end of the linear shaft is connected to a cutter pressing plate. A tool mounting seat is connected to the outer bottom surface of the cutter pressing plate. A cutting tool is detachably mounted on the tool mounting seat.

[0006] The pin gear housing support seat includes a bottom plate and a circular support cylinder integrally connected to the bottom plate. A pin gear housing support block is provided at the top of the circular support cylinder. A support groove is provided on the pin gear housing support block. The pin gear housing is sleeved and supported on the support groove.

[0007] The lower part of the gear shaping rotary base is two base support columns, and the base support columns are in rolling connection with the inner wall surface of the rotary bearing.

[0008] The pull rod described above is of a U-shaped structure. The pull rod is slidably inserted into the groove wall of the notch groove. Both open ends of the U-shaped pull rod are threadedly connected to the moving block within the sliding groove, and the sealed end of the U-shaped pull rod is within the notch groove of the gear shaping rotary base.

[0009] At the top of the gear shaping rotary base described above, two linear bearings are fixedly arranged radially along the needle gear housing. The linear shafts within the two linear bearings are both connected to the bottom surface of the cutter pressing plate, and the two linear shafts are parallel to the tool mounting seat.

[0010] The linear bearings described above are fixed to the gear shaping rotary base through flanges.

[0011] Tangential rods are fixedly connected to the middle of both sides on the cutter pressing plate described above.

[0012] Advantages of the present invention: Compared with the previous manual gear shaping, a single person can operate the present invention without the need for cooperation and assistance from others, greatly improving the work efficiency. Through the gear shaping rotary base, the finish machining after semi-finish machining allowance of the semi-circular hole of the needle gear housing is ensured, guaranteeing the cylindricity, center circle diameter, and positional tolerance of the semi-circular hole after machining, and ensuring smooth operation without jamming phenomenon after the installation of the RV reducer. Description of the Drawings

[0013] Figure 1 It is a schematic structural diagram of the present invention.

[0014] Figure 2 It is a sectional view of the present invention.

[0015] Figure 3 It is an application schematic diagram of the present invention.

[0016] Wherein: 1 - Needle gear housing support seat; 2 - Circular support cylinder; 3 - Base plate; 4 - Needle gear housing support block; 5 - Support groove; 6 - Base pillar; 7 - Gear shaping rotary base; 8 - Notch groove; 9 - Pull rod; 10 - Screw rod; 11 - Flange; 12 - Linear bearing; 13 - Linear shaft; 14 - Cutter pressing plate; 15 - Tangential rod; 16 - Tool mounting seat; 17 - Push cutter extrusion plate; 18 - Cutting tool; 19 - Rotary bearing; 20 - Moving block; 21 - Spring seat; 22 - Spring; 23 - Spring seat within the groove; 24 - Groove wall; 25 - Needle gear housing. Detailed Embodiment

[0017] A pin gear housing gear shaping tooling, comprising a pin gear housing support base 1 for placing the pin gear housing 25 and a gear shaping rotary base 7. The pin gear housing 25 is placed on the pin gear housing support base 1. A rotary bearing 19 is provided at the inner bottom of the pin gear housing support base 1. The gear shaping rotary base 7 is connected to the pin gear housing support base 1 through the rotary bearing 19. A notch groove 8 is provided at the upper part of the gear shaping rotary base 7. A sliding groove is horizontally provided on the notch groove wall 24 left after the notch groove 8 is opened on the gear shaping rotary base 7, extending from the outer wall towards the inside. A moving block 20 is slidably provided on one side close to the open end in the sliding groove. A push knife pressing plate 17 is connected to the side wall of the moving block 20 facing the outside of the open end. A spring seat 21 is connected to the inner side of the moving block 20 in the sliding groove. A groove inner spring seat 23 is provided at the bottom of the sliding groove. A spring 22 is connected between the two spring seats. A threaded hole is provided on the bottom wall of the sliding groove on the notch groove wall 24 of the notch groove 8. A screw rod 10 is threadedly connected in the threaded hole. The end of the screw rod 10 is connected to the groove inner spring seat 23. A pull rod 9 is slidably inserted into the sliding groove on the notch groove wall 24 of the notch groove 8. One end of the pull rod 9 in the sliding groove is connected to the moving block 20. A linear bearing 12 is fixed on the top of the gear shaping rotary base 7. A linear shaft 13 is inserted into the linear bearing 12. The top end of the linear shaft 13 is connected to a cutter pressing plate 14. A cutter mounting seat 16 is connected to the outer side of the bottom surface of the cutter pressing plate 14. A cutting tool 18 is detachably mounted on the cutter mounting seat 16.

[0018] The pin gear housing support base 1 includes a bottom plate 3 and a circular support cylinder 2 integrally connected to the bottom plate 3. A pin gear housing support block 4 is provided at the top of the circular support cylinder 2. A support groove 5 is provided on the pin gear housing support block 4. The pin gear housing 25 is sleeved and supported on the support groove 5.

[0019] The lower part of the gear shaping rotary base 7 is two base support columns 6. The base support columns 6 are in rolling connection with the inner wall surface of the rotary bearing 19.

[0020] The pull rod 9 is of a U-shaped structure. The pull rod 9 is slidably inserted on the notch groove wall 24 of the notch groove 8. Both open ends of the U-shaped pull rod 9 are threadedly connected to the moving block 20 in the sliding groove. The sealed end of the U-shaped pull rod 9 is in the notch groove 8 of the gear shaping rotary base 7.

[0021] Two linear bearings 12 are fixed along the radial direction of the pin gear housing 25 on the top of the gear shaping rotary base 7. The linear shafts 13 in the two linear bearings 12 are both connected to the bottom surface of the cutter pressing plate 14. The two linear shafts 13 and the cutter mounting seat 16 are parallel.

[0022] The linear bearing 12 is fixed on the gear shaping rotary base 7 through a flange 11.

[0023] Tangential rods 15 are fixedly connected to the middle of both sides of the cutter pressing plate 14.

[0024] During application, place the pin gear housing 25 on the pin gear housing support base 1. Place the gear shaping rotary base 7 in the inner hole of the pin gear housing support base 1. Connect the gear shaping rotary base 7 and the pin gear housing support base 1 through the rotary bearing 19 to ensure that the gear shaping rotary base 7 can rotate smoothly by 360°. A sliding block 20 is slidably arranged in the sliding groove of the gear shaping rotary base 7. A spring seat 21 is connected to the sliding block 20. A spring 22 is arranged on the spring seat 21. The other end of the spring 22 is connected to the in-groove spring seat 23. The in-groove spring seat 23 is connected to the screw rod 10 threadedly connected to the groove wall 24. Rotating the screw rod 10 can squeeze the spring 23, and the spring 23 can adjust the pressing force when inserting different semi-circular tooth cutting tools 18 by squeezing the push knife pressing plate 17. The linear bearing 12 is fixed on the gear shaping rotary base 7. The linear shaft 13 at the bottom of the cutter holder pressing plate 14 is inserted into the linear bearing 12. By pressing the cutter holder pressing plate 3, drive the cutting tool 18 to cut the semi-circular hole of the pin gear housing. After the cutting is completed, rotate the gear shaping rotary base 2 to cut the other semi-circular hole. This workpiece is suitable for the finish machining after the semi-finishing allowance of the semi-circular hole of the pin gear housing, ensuring the cylindricity and position accuracy of the semi-circular hole of the pin gear housing 25 after gear shaping.

[0025] The above has described the embodiments of the present invention in detail, but the content described is only the preferred embodiment of the present invention and cannot be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of the application of the present invention should still fall within the scope covered by the patent of the present invention.

Claims

1. A shaping tool for a pin gear housing, characterized in that It includes a pin gear housing support base (1) for placing the pin gear housing (25) and a gear shaping rotary base (7). The pin gear housing (25) is placed on the pin gear housing support base (1). A rotary bearing (19) is provided at the inner bottom of the pin gear housing support base (1). The gear shaping rotary base (7) is connected to the pin gear housing support base (1) through the rotary bearing (19). A notch groove (8) is formed in the upper part of the gear shaping rotary base (7). A sliding groove is horizontally formed on the notch groove wall (24) left after the notch groove (8) is formed in the gear shaping rotary base (7), extending from the outer side wall towards the inside. A moving block (20) is slidably arranged on one side close to the open end in the sliding groove. A push knife extrusion plate (17) is connected to the side wall of the moving block (20) facing the outside of the open end. A spring seat (21) is connected to the inner side of the moving block (20) in the sliding groove. A spring seat (23) in the groove is provided at the bottom of the sliding groove. A spring (22) is connected between the two spring seats. A threaded hole is formed in the bottom wall of the sliding groove on the notch groove wall (24). A screw rod (10) is threadedly connected in the threaded hole. The end of the screw rod (10) is connected to the spring seat (23) in the groove. A pull rod (9) is slidably inserted into the sliding groove on the notch groove wall (24) of the notch groove (8). One end of the pull rod (9) in the sliding groove is connected to the moving block (20). A linear bearing (12) is fixed on the top of the gear shaping rotary base (7). A linear shaft (13) is inserted into the linear bearing (12). The top end of the linear shaft (13) is connected to a cutter pressing plate (14). A cutter mounting seat (16) is connected to the outer side of the bottom surface of the cutter pressing plate (14). A cutting tool (18) is detachably mounted on the cutter mounting seat (16); The said pin gear housing support base (1) includes a bottom plate (3) and a circular support cylinder (2) integrally connected to the bottom plate (3). A pin gear housing support block (4) is provided at the top of the circular support cylinder (2). A support groove (5) is formed in the pin gear housing support block (4). The pin gear housing (25) is sleeved and supported on the support groove (5); The lower part of the said gear shaping rotary base (7) is two base columns (6), and the base columns (6) are in rolling connection with the inner wall surface of the rotary bearing (19).

2. The pin gear housing gear shaping tooling according to claim 1, wherein The said pull rod (9) is of a U-shaped structure. The pull rod (9) is slidably inserted on the notch groove wall (24) of the notch groove (8). Both open ends of the U-shaped pull rod (9) are threadedly connected to the moving block (20) in the sliding groove, and the closed end of the U-shaped pull rod (9) is in the notch groove (8) of the gear shaping rotary base (7).

3. The pin gear housing gear shaping tooling according to claim 1, characterized in that, Two linear bearings (12) are fixed along the radial direction of the pin gear housing (25) on the top of the said gear shaping rotary base (7). The linear shafts (13) in the two linear bearings (12) are both connected to the bottom surface of the cutter pressing plate (14), and the two linear shafts (13) and the cutter mounting seat (16) are parallel.

4. The pin gear housing gear shaping tooling according to claim 3, characterized in that, The said linear bearing (12) is fixed on the gear shaping rotary base (7) through a flange (11).

5. The pin gear housing gear shaping tooling according to claim 1, characterized in that, Tangential rods (15) are fixedly connected to the middle of both sides of the said cutter pressing plate (14).

Citation Information

Patent Citations

  • Novel gear slotting machine

    CN105817720A

  • Cutter relieving mechanism of manual gear shaper for teaching

    CN203759981U

  • Gear shaping tool for pin wheel housing

    CN213646039U