Cylindrical gear shaving clamp

By introducing support rings, fixing discs and end-face pressing parts into the cylindrical gear shaving fixture, the problem of contact wear between the workpiece and the shaving tooth spindle is solved, and high-precision and stable shaving processing is achieved.

CN223198190UActive Publication Date: 2025-08-08SICHUAN SHENLING PRECISION TECH CO LTD
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Patent Information

Application Number
CN202422137337.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-08-08
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

During the processing process of existing cylindrical gear shaving fixtures, the contact part of the workpiece and the shaving spindle are prone to wear, resulting in uneven surfaces and affecting the processing accuracy and quality.

Method used

A cylindrical gear shaving fixture is designed, which uses a support ring, a fixing disc and a contact ring to provide support force, and observe the deformation of the clamping spring through the end-face pressure member to avoid excessive clamping force, including a combined structure of the mounting ring, a slide rod and a clamping ring to provide stable clamping.

Benefits of technology

Improve the accuracy and stability of workpiece shaving teeth processing, avoid the impact of excessive clamping force on the quality of the workpiece, and ensure the processing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gear shaving clamps, and discloses a cylindrical gear shaving clamp which comprises a shaft seat, a fixing disc is fixedly connected to the shaft seat, a supporting ring and a contact ring are arranged on the shaft seat in a sleeved mode, a bolt is fixedly connected to the contact ring, the bolt penetrates through the supporting ring and the fixing disc, and the supporting ring and the fixing disc are connected into a whole through a nut. A guide cylinder and an inner clamping block are fixedly connected to the outer side end of the shaft seat, a moving shaft is slidably mounted in the shaft seat in a penetrating mode, and a mounting ring is fixedly connected to the outer side end of the moving shaft. According to the gear shaving device, the supporting ring, the fixing disc and the contact ring are arranged, so that good supporting force can be provided for the workpiece to be machined, replacement is convenient, and it is guaranteed that the gear shaving machining precision of the workpiece to be machined is good; and through the arranged end face pressure applying piece, the clamping force can be visually observed according to the deformation quantity of the clamping spring, and the situation that the clamping force is too large, and the quality of the to-be-machined workpiece is affected is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of gear shaving fixtures, in particular to a gear shaving fixture for cylindrical gears. Background Art

[0002] When processing cylindrical gears, gear shaving is required, and a fixture is needed to clamp the workpiece.

[0003] In the related art, for example, a cylindrical gear shaving fixture with publication number CN202984839U includes a shaving spindle and a spline expansion sleeve mounted on the spindle. The spindle is provided with a countersunk washer, a compression spring, a clamping washer, and an open washer in sequence. The spline expansion sleeve is provided with an end face positioning sleeve and is secured to the spindle by a clamping nut. However, the contact area between the workpiece and the shaving spindle is susceptible to wear, resulting in an uneven surface, which affects the machining accuracy of the cylindrical gear and makes it inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a cylindrical gear shaving fixture, which can provide good supporting force for the workpiece to be processed through the provided support ring, fixed plate and contact ring, and is easy to replace, thereby ensuring good precision of the shaving processing of the workpiece to be processed; the provided end face pressure piece can intuitively observe the clamping force according to the deformation of the clamping spring, thereby avoiding excessive clamping force and affecting the quality of the workpiece to be processed.

[0005] The cam is fixedly mounted on the drive shaft, and the cam is fixedly mounted on the drive shaft, wherein the cam is fixedly provided with a support ring and a contact ring, and the contact ring is fixedly connected to the cam, and the cam is fixedly mounted on the cam, wherein the cam passes through the support ring and the fixed plate and is connected as a whole by a nut. The support ring, fixed plate and contact ring provided can provide good supporting force for the workpiece to be processed and are easy to replace, ensuring good accuracy of tooth shaving processing of the workpiece to be processed; the end face pressure piece provided can intuitively observe the clamping force according to the deformation of the clamping spring, avoiding excessive clamping force and affecting the quality of the workpiece to be processed.

[0006] Furthermore, the guide cylinder is located inside the workpiece to be processed.

[0007] Furthermore, the support ring and the contact ring have the same radius.

[0008] Furthermore, the sliding rods are located outside the inner support sleeve, and there are four sliding rods in number, which are evenly arranged around the circumference.

[0009] Furthermore, the end block is located outside the pressure ring.

[0010] Furthermore, the movable shaft passes through the clamping ring, the pressure ring, and the inner support sleeve.

[0011] Furthermore, a groove for limiting the fastener is provided on the mounting seat.

[0012] Furthermore, the inner clamping blocks are located outside the guide tube, and there are four inner clamping blocks, which are evenly arranged around the circumference.

[0013] The utility model has the following beneficial effects:

[0014] The utility model proposes a cylindrical gear shaving fixture, which can provide good supporting force for the workpiece to be processed through the support ring, fixed plate and contact ring, and is easy to replace, thereby ensuring good precision of the shaving processing of the workpiece to be processed; the end face pressure piece is provided, and the clamping force can be intuitively observed according to the deformation of the clamping spring, thereby avoiding excessive clamping force and affecting the quality of the workpiece to be processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of the clamping state of the utility model;

[0016] Figure 2 This is an exploded view of the utility model;

[0017] Figure 3 This is an exploded view of the present invention from another perspective;

[0018] Figure 4 It is a cross-sectional view of the clamping state of the utility model;

[0019] Figure 5 This is a front view of the end face pressure member of the present utility model;

[0020] Figure 6 This is a three-dimensional diagram from another perspective of the clamping state of the present invention.

[0021] Legend:

[0022] 1. Shaft seat; 101. Fixed plate; 102. Support ring; 103. Contact ring; 104. Inner clamping block; 105. Guide cylinder; 106. Mounting ring; 2. Workpiece to be processed; 3. End face pressure member; 4. Moving shaft; 301. Mounting seat; 302. Pressure ring; 303. Inner support sleeve; 304. Clamping ring; 305. Clamping spring; 306. Slide rod; 307. End block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Reference Figure 1-Figure 5 The utility model provides an embodiment of a cylindrical gear shaving fixture, including a shaft seat 1, a fixed plate 101 is fixedly connected to the shaft seat 1, a support ring 102 and a contact ring 103 are sleeved on the shaft seat 1, the support ring 102 and the contact ring 103 have the same radius, a bolt is fixedly connected to the contact ring 103, the bolt passes through the support ring 102 and the fixed plate 101, and is connected as a whole by a nut, the outer end of the shaft seat 1 is fixedly connected with a guide cylinder 105 and an inner clamping block 104, the inner clamping block 104 is located on the outer side of the guide cylinder 105, there are four inner clamping blocks 104, and they are evenly arranged around the circumference, the guide cylinder 105 is located on the inner side of the workpiece 2 to be processed, a movable shaft 4 is slidably installed in the shaft seat 1, and the outer end of the movable shaft 4 is fixedly connected with a mounting ring 106;

[0025] The support ring 102 is used to provide support force for the contact ring 103, and the contact ring 103 is used to provide a contact surface for the workpiece 2 to be processed. The contact ring 103 can be removed by screwing the nut, which makes it easy to replace the contact ring 103. It can always provide a good contact surface for the workpiece 2 to be processed, ensuring that the shaving accuracy of the workpiece 2 to be processed is good.

[0026] The mounting ring 106 is detachably connected to an end face pressure piece 3, which includes a mounting seat 301. The mounting seat 301 is provided with a groove for limiting a fastener. The movable shaft 4 is fixedly connected to the mounting seat 301 through a fastener. A pressure ring 302 is fixedly connected to the mounting seat 301. An inner support sleeve 303 is fixedly connected to the pressure ring 302. A slide rod 306 is slidably connected to the pressure ring 302. The slide rod 306 is located on the outside of the inner support sleeve 303. There are four of them, and they are evenly arranged around the circumference. One end of the slide rod 306 is fixedly connected to the clamping ring 304, and the other end of the slide rod 306 is fixedly connected to the end block 307. The end block 307 is located on the outside of the pressure ring 302. A clamping spring 305 is provided on the slide rod 306 and between the clamping ring 304 and the pressure ring 302. The inner support sleeve 303 can apply radial clamping force to the inner clamping block 104. The movable shaft 4 passes through the clamping ring 304, the pressure ring 302, and the inner support sleeve 303.

[0027] During the clamping operation, the moving shaft 4 drives the mounting seat 301 to move under the power of the external driving source, and the mounting seat 301 drives the pressure ring 302, and the pressure ring 302 squeezes the clamping spring 305. The clamping spring 305 provides a clamping force to the clamping ring 304. The greater the deformation of the clamping spring 305, the greater the clamping force. Therefore, the magnitude of the clamping force can be observed intuitively. The clamping ring 304 can provide a clamping force to the end face of the workpiece 2 to be processed. At the same time, the clamping ring 304 drives the inner support sleeve 303 to move, and the outer surface of the inner support sleeve 303 can provide an outward radial clamping force to the inner clamping block 104, thereby providing a clamping force to the inner side of the workpiece 2 to be processed, thereby ensuring the stability of the workpiece 2 to be processed.

[0028] The support ring 102, fixed plate 101 and contact ring 103 provided can provide good supporting force for the workpiece 2 to be processed and are easy to replace, thereby ensuring good accuracy of the tooth shaving processing of the workpiece 2 to be processed; the end face pressure piece 3 provided can intuitively observe the clamping force according to the deformation of the clamping spring 305, thereby avoiding excessive clamping force and affecting the quality of the workpiece 2 to be processed.

[0029] Working principle: The support ring 102 is used to provide support for the contact ring 103, and the contact ring 103 is used to provide a contact surface for the workpiece 2 to be processed. The contact ring 103 can be removed by screwing the nut, which is convenient for replacing the contact ring 103. It can always provide a good contact surface for the workpiece 2 to be processed, ensuring the good precision of the shaving process of the workpiece 2 to be processed. During the clamping operation, the moving shaft 4 drives the mounting seat 301 to move under the power of the external driving source, and the mounting seat 301 drives the pressure ring 302, and the pressure ring 302 squeezes The clamping spring 305 is pressed, and the clamping spring 305 provides a clamping force to the clamping ring 304. The greater the deformation of the clamping spring 305, the greater the clamping force. Therefore, the size of the clamping force can be observed intuitively. The clamping ring 304 can provide a clamping force to the end face of the workpiece 2 to be processed. At the same time, the clamping ring 304 drives the inner support sleeve 303 to move, and the outer surface of the inner support sleeve 303 can provide an outward radial clamping force to the inner clamping block 104, thereby providing a clamping force to the inner side of the workpiece 2 to be processed, thereby ensuring the stability of the workpiece 2 to be processed.

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

Claims

1. A cylindrical gear shaving fixture, comprising a shaft seat (1), characterized in that: The shaft seat (1) is fixedly connected to a fixed disk (101), the shaft seat (1) is sleeved with a support ring (102) and a contact ring (103), the contact ring (103) is fixedly connected to a bolt, the bolt passes through the support ring (102) and the fixed disk (101), and is connected as a whole by a nut, the outer end of the shaft seat (1) is fixedly connected to a guide cylinder (105) and an inner clamping block (104), a movable shaft (4) is slidably installed in the shaft seat (1), and the outer end of the movable shaft (4) is fixedly connected to a mounting ring (106); the mounting ring (106) is detachably connected to an end face pressure piece (3), and the end face pressure piece (3) includes a mounting seat (3 01), the movable shaft (4) and the mounting seat (301) are fixedly connected by fasteners, a pressure ring (302) is fixedly connected to the mounting seat (301), an inner support sleeve (303) is fixedly connected to the pressure ring (302), a slide rod (306) is slidably connected to the pressure ring (302), one end of the slide rod (306) is fixedly connected to the clamping ring (304), and the other end of the slide rod (306) is fixedly connected to the end block (307), a clamping spring (305) is sleeved on the slide rod (306) and located between the clamping ring (304) and the pressure ring (302), and the inner support sleeve (303) can apply a radial clamping force to the inner clamping block (104).

2. The cylindrical gear shaving fixture according to claim 1, characterized in that: The guide cylinder (105) is located inside the workpiece (2) to be processed.

3. The cylindrical gear shaving fixture according to claim 1, characterized in that: The support ring (102) and the contact ring (103) have the same radius.

4. The cylindrical gear shaving fixture according to claim 1, characterized in that: The sliding rods (306) are located outside the inner support sleeve (303), and there are four sliding rods (306) which are evenly arranged around the circumference.

5. The cylindrical gear shaving fixture according to claim 1, characterized in that: The end block (307) is located outside the pressure ring (302).

6. The cylindrical gear shaving fixture according to claim 1, characterized in that: The movable shaft (4) passes through the clamping ring (304), the pressure ring (302), and the inner support sleeve (303).

7. The cylindrical gear shaving fixture according to claim 1, characterized in that: The mounting seat (301) is provided with a groove for limiting the fastener.

8. The cylindrical gear shaving fixture according to claim 1, characterized in that: The inner clamping blocks (104) are located outside the guide tube (105). There are four inner clamping blocks (104) which are evenly arranged around the circumference.

Citation Information

Patent Citations

  • Cylindrical gear shaving fixture

    CN202984839U