CN218904348U

CN218904348U - Processing tool for planetary gear inner gear ring

Info

Publication number: CN218904348U
Application number: CN202222928445.9U
Authority: CN
Inventors: 陆浩
Original assignee: Changzhou Alcohol Machinery Technology Co ltd
Current assignee: Changzhou Alcohol Machinery Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-04-25
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to the technical field of inner gear rings, in particular to a processing tool for an inner gear ring of a planetary gear, which is used for processing an inner gear ring main body, wherein the inner gear ring main body comprises inner teeth arranged on the inner wall of the inner gear ring main body; the fixture assembly comprises a tensioning core, clamping and cog teeth are arranged at the end part of the tensioning core, the annular gear main body is sleeved outside the tensioning core, the inner cog teeth are connected between the clamping and cog teeth in a clamping and cog mode, and gaps are reserved between the clamping and cog teeth and the inner cog teeth; the inner gear ring is clamped from the inner part of the inner gear ring main body, so that the outer part of the inner gear ring main body is conveniently machined, the direct clamping is prevented from influencing the surface precision of the inner gear ring main body, the using effect of the inner gear ring main body is improved, and the quality and the assembly precision of a product are ensured.

Description

Processing tool for planetary gear inner gear ring

Technical Field

The utility model relates to the technical field of annular gears, in particular to a processing tool for an inner gear ring of a planetary gear.

Background

The planetary gear mechanism is one of common parts in the reduction gearbox, and comprises a sun gear, a planetary pinion, a planet carrier, an annular gear and the like, wherein the annular gear is coaxial with the sun gear and is matched with the reduction gearbox, high machining precision is required, special fixtures are required to be formulated for the annular gear of the planetary gears with different specifications, for example, an annular gear main body 20 shown in fig. 1 comprises inner teeth 21 arranged on the inner wall of the annular gear main body 20, and due to the fact that the inner teeth 21 are arranged on the inner wall of the annular gear main body 20, no proper clamping position exists when milling or turning is carried out on the outer wall and the end face of the annular gear main body 20, one end of the annular gear main body 20 is usually required to be clamped firstly, then the other end of the annular gear main body 20 is machined, the annular gear main body 20 is turned after machining is finished, but abrasion is easy to occur when the outer wall machined on the annular gear main body 20 is directly clamped, and the quality and the assembly precision of products are affected.

Therefore, the machining tool for the planetary gear ring gear is provided, the wall body to be machined of the ring gear main body 20 is not directly clamped, the quality and the assembly precision of a product are guaranteed, and meanwhile, the machining efficiency is improved.

Disclosure of Invention

The utility model aims to provide a processing tool for an inner gear ring of a planetary gear, which solves the technical problems that the inner wall and the outer wall of the inner gear ring cannot provide enough clamping positions in the prior art, the direct clamping is easy to wear, and the quality and the assembly precision of a product are affected.

The technical scheme adopted for solving the technical problems is as follows: the processing tool for the planetary gear ring gear is used for processing the ring gear main body, and the ring gear main body comprises inner teeth arranged on the inner wall of the ring gear main body; the fixture assembly comprises a tensioning core, clamping and cog teeth are arranged at the end part of the tensioning core, the inner gear ring main body is sleeved outside the tensioning core, the inner gear ring main body is connected between the clamping and cog teeth in a clamping and cog mode, and a gap is reserved between the clamping and cog teeth and the inner gear ring.

Further, the tensioning core is of an annular structure, a plurality of openings are formed in the side wall of the tensioning core along the axial direction of the tensioning core, the openings penetrate through the inner side wall and the outer side wall of the tensioning core, and the upper ends of the openings penetrate through the clamping cog teeth; the tensioning core inner wall is provided with a conical surface, the tensioning core is internally connected with a tensioning head in a matched mode, and the bottom of the tensioning head is abutted to the conical surface.

Further, the fixture assembly further comprises a clamping shaft, a matching shaft is arranged on the end face of the clamping shaft, the tensioning core is connected to the matching shaft in a matching mode and is abutted to the end face of the clamping shaft, the clamping shaft is arranged in the chuck, and the annular gear body is arranged outside the tensioning core and is abutted to the end face of the clamping shaft.

Further, a threaded shaft is arranged on the tensioning head, a threaded hole is formed in the end face of the matching shaft, and the threaded shaft penetrates through the tensioning head and is in threaded connection with the threaded hole.

Further, a processing arm is arranged above the clamp assembly, one end of the processing arm is connected to the vertical machine tool, and a tool bit is arranged at the other end of the processing arm.

Further, the tool bit includes, but is not limited to, a milling cutter, a turning tool, a drill bit.

Further, the clamping cog is consistent with the inner tooth in modulus, and the clamping cog is matched with the inner tooth.

Further, the tension core is made of spring steel.

Further, the chuck is a three-jaw chuck or a four-jaw chuck.

The beneficial effects of the utility model are as follows:

the clamping is carried out from the inside of the annular gear main body, so that the processing of the outside of the annular gear main body is facilitated, the influence of direct clamping on the surface precision of the annular gear main body is prevented, the using effect of the annular gear main body is improved, the quality and the assembly precision of products are guaranteed, meanwhile, the tensioning cores can be used for clamping the two ends of the annular gear main body respectively, the positioning processing of each end face of the annular gear main body is facilitated, meanwhile, the same positioning reference can effectively guarantee the accuracy of multiple installation, multiple processing procedures are integrated, the clamping times are reduced, and the processing precision and the production efficiency are improved.

Drawings

Fig. 1 is a perspective view of an inner ring gear body.

Fig. 2 is a perspective view of the machining tool for the planetary gear ring gear of the present utility model.

Fig. 3 is an exploded view of the tooling for machining the ring gear of the planetary gear of the present utility model.

Fig. 4 is a plan view of the processing tool for the planetary gear ring gear of the present utility model.

Fig. 5 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A in fig. 4.

The components in the drawings are marked as follows: 10. a clamp assembly; 11. a chuck; 12. a tensioning core; 13. a tensioning head; 14. clamping the shaft; 15. a mating shaft; 151. a threaded hole; 16. an opening; 17. clamping and embedding teeth; 171. a conical surface; 18. a threaded shaft; 19. a processing arm; 20. an inner gear ring main body; 21. internal teeth.

Detailed Description

The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.

Referring to fig. 1 and 2, the present utility model provides a processing tool for an inner gear ring of a planetary gear, which is used for processing an inner gear ring main body 20, wherein the inner gear ring main body 20 includes an inner tooth 21 disposed on an inner wall of the inner gear ring main body 20, the processing tool for an inner gear ring of a planetary gear includes a fixture assembly 10 and a chuck 11, one end of the fixture assembly 10 is installed in the inner gear ring main body 20, the other end of the fixture assembly 10 is installed on the chuck 11, and the chuck 11 is a three-jaw chuck or a four-jaw chuck; during the use, install anchor clamps subassembly 10 on chuck 11, with ring gear main part 20 quick clamping to anchor clamps subassembly 10 in again, realize the clamping to ring gear main part 20 fixed, and then need not direct centre gripping ring gear main part 20, guarantee the processingquality of product.

Further, referring to fig. 3, 4 and 5, the clamp assembly 10 includes a clamping shaft 14 and a tensioning core 12, a mating shaft 15 is disposed on an end surface of the clamping shaft 14, the tensioning core 12 is connected to the mating shaft 15 in a mating manner, the clamping shaft 14 is installed in the chuck 11, and the ring gear body 20 is installed outside the tensioning core 12 and abuts against the end surface of the clamping shaft 14.

In this embodiment, the tensioning core 12 is screwed onto the mating shaft 15 by using a bolt or a screw, etc. of the fastening member, and the end face of the tensioning core 12 abuts against the end face of the clamping shaft 14, so that when in use, the accuracy and diversity of clamping are ensured by arranging the replaceable tensioning core 12, and the clamping device is further suitable for clamping ring gear main bodies 20 with various specifications, and the applicability of the clamping device is improved.

Specifically, the tensioning core 12 is of an annular structure, a clamping ring (not shown) is arranged at the end of the tensioning core 12, a plurality of clamping teeth 17 are circumferentially arranged on the clamping ring, and when the tensioning core is used, the clamping teeth 17 are connected between the internal teeth 21 in a clamping manner, and gaps are reserved between the clamping teeth 17 and the internal teeth 21. The side wall of tensioning core 12 is equipped with a plurality of openings 16 along the axial of tensioning core 12, and opening 16 runs through the inside and outside wall of tensioning core 12, and the upper end of opening 16 is run through clamping ring and clamping cog 17, be equipped with conical surface 171 on the tensioning core 12 inner wall, tensioning core 12 internal fit is connected with tensioning head 13, the bottom butt conical surface 171 of tensioning head 13 is equipped with screw shaft 18 on the tensioning head 13, is equipped with screw hole 151 on the mating shaft 15 terminal surface, screw thread shaft 18 runs through the threaded connection behind the tensioning head 13 in screw hole 151. Preferably, the tension core 12 is made of spring steel. Preferably, the snap cog 17 is modulus identical to the internal tooth 21, and the snap cog 17 mates with the internal tooth 21.

When the internal gear ring clamping device is used, the tensioning core 12 is sleeved on the matching shaft 15, the annular gear main body 20 is matched and installed on the tensioning core 12, the clamping cog 17 is matched and connected between the internal teeth 21, the tensioning core 12 and the lower end face of the annular gear main body 20 are both abutted against the upper end face of the clamping shaft 14, then the threaded shaft 18 on the tensioning head 13 is connected into the threaded hole 151 in a threaded manner, the bottom of the tensioning head 13 is abutted against the conical surface 171, the threaded shaft 18 is rotated downwards, the tensioning head 13 moves downwards in a following manner, one end of the tensioning core 12 is expanded outwards along the opening 16 under the extrusion of the tensioning head 13, and then is abutted against the internal teeth 21, so that the clamping and fixing of the annular gear ring main body 20 are realized.

According to the utility model, the tensioning head 13 is utilized to control the opening 16 on the tensioning core 12 to expand outwards or contract inwards, so that the clamping and the disassembly of the annular gear main body 20 are realized, the tensioning head 13 can be moved up and down by manually rotating the threaded shaft 18, the operation is convenient, the quick replacement of the annular gear main body 20 is realized, and the processing efficiency is effectively improved.

Further, a machining arm 19 is disposed above the fixture assembly 10, one end of the machining arm 19 is connected to a vertical machine tool (not shown), and the other end of the machining arm 19 is provided with a tool bit (not shown), wherein the tool bit includes, but is not limited to, a milling cutter, a turning tool, and a drill bit.

In this embodiment, utilize tensioning core 12 from inside clamping ring gear main part 20, and then be convenient for processing arm 19 is processed the outside of ring gear main part 20, and tensioning core 12 can be followed the both ends of ring gear main part 20 and is carried out the clamping respectively simultaneously, and the multiple processing location of being convenient for guarantees the accuracy of multiple installation simultaneously, effectively integrates the processing procedure, reduces clamping number of times.

The specific processing mode of the utility model is as follows: the clamping shaft 14 is mounted on the chuck 11, the tensioning core 12 is connected to the matching shaft 15 in a threaded mode through fasteners such as bolts or screws, the annular gear main body 20 is mounted on the tensioning core 12 in a matched mode, the clamping cog 17 is connected between the inner teeth 21 in a matched mode, the threaded shaft 18 on the tensioning head 13 is connected into the threaded hole 151 in a threaded mode, the lateral face of the tensioning head 13 abuts against the conical face 171, the threaded shaft 18 is rotated downwards, the tensioning head 13 moves downwards in a follow mode, one end of the tensioning core 12 is enabled to expand outwards along the opening 16 under the extrusion of the tensioning head 13, and then the inner teeth 21 are abutted to achieve clamping and fixing of the annular gear main body 20.

The clamping is carried out from the inside of the annular gear main body 20, so that the processing of the outside of the annular gear main body 20 is facilitated, the influence of direct clamping on the surface precision of the annular gear main body 20 is prevented, the use effect of the annular gear main body 20 is improved, the quality and the assembly precision of products are guaranteed, meanwhile, the tensioning cores 12 can be respectively clamped from the two ends of the annular gear main body 20, the positioning processing of each end face of the annular gear main body 20 is facilitated, meanwhile, the accuracy of multiple installation can be effectively guaranteed by the same positioning reference, multiple processing procedures are integrated, the clamping times are reduced, the processing precision is improved, and the production efficiency is improved.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The processing tool for the planetary gear ring gear is used for processing the ring gear main body (20), the ring gear main body (20) comprises internal teeth (21) arranged on the inner wall of the ring gear main body (20), and is characterized by comprising a clamp assembly (10) and a chuck (11), and the clamp assembly (10) is arranged on the chuck (11); the fixture assembly (10) comprises a tensioning core (12), clamping cog teeth (17) are arranged at the end part of the tensioning core (12), the annular gear main body (20) is sleeved outside the tensioning core (12) and enables internal teeth (21) to be connected between the clamping cog teeth (17) in a clamping manner, and gaps are reserved between the clamping cog teeth (17) and the internal teeth (21).

2. The processing tool for the planetary gear ring gear according to claim 1, wherein the tensioning core (12) is in an annular structure, a plurality of openings (16) are formed in the side wall of the tensioning core (12) along the axial direction of the tensioning core (12), the openings (16) penetrate through the inner side wall and the outer side wall of the tensioning core (12), and the upper ends of the openings (16) penetrate through the clamping cog (17); the tensioning device is characterized in that a conical surface (171) is arranged on the inner wall of the tensioning core (12), the tensioning core (12) is connected with a tensioning head (13) in an internal fit mode, and the bottom of the tensioning head (13) abuts against the conical surface (171).

3. The processing tool for the planetary gear ring gear according to claim 2, wherein the clamp assembly (10) further comprises a clamping shaft (14), a matching shaft (15) is arranged on the end face of the clamping shaft (14), the tensioning core (12) is connected to the matching shaft (15) in a matching manner and abuts against the end face of the clamping shaft (14), the clamping shaft (14) is installed in the chuck (11), and the ring gear body (20) is installed outside the tensioning core (12) and abuts against the end face of the clamping shaft (14).

4. A machining tool for an inner gear ring of a planetary gear according to claim 3, wherein the tensioning head (13) is provided with a threaded shaft (18), the end face of the matching shaft (15) is provided with a threaded hole (151), and the threaded shaft (18) penetrates through the tensioning head (13) and is in threaded connection with the threaded hole (151).

5. The machining tool for the planetary gear ring gear according to claim 1, wherein a machining arm (19) is arranged above the clamp assembly (10), one end of the machining arm (19) is connected to a vertical machine tool, and a tool bit is arranged at the other end of the machining arm (19).

6. The tooling for machining a ring gear of a planetary gear according to claim 5, wherein the tool bit includes, but is not limited to, a milling cutter, a turning tool, a drill bit.

7. The machining tool for the planetary gear ring gear according to claim 1, wherein the snap cog (17) is identical in modulus to the internal tooth (21), and the snap cog (17) is matched with the internal tooth (21).

8. The tooling for the ring gear of a planetary gear according to claim 1, wherein the tensioning core (12) is made of spring steel.

9. The machining tool for the planetary gear ring gear according to claim 1, wherein the chuck (11) is a three-jaw chuck or a four-jaw chuck.