Fixing chuck for gear machining

By designing an adaptive fixing chuck and utilizing a combination of a drive motor and an airbag column, efficient fixation of gears of different specifications and thicknesses is achieved, solving the problems of insufficient versatility and adaptability of traditional gear fixing technology and improving processing efficiency and quality.

CN120680068APending Publication Date: 2025-09-23SHAOXING SHINY MASCH CORP LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202511129803.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-13
Publication Date
2025-09-23

Smart Images

  • Figure CN120680068A_ABST
    Figure CN120680068A_ABST
Patent Text Reader

Abstract

A fixing chuck for gear machining relates to the technical field of fixing chucks and comprises a fixing base, a circular fixing frame is fixedly mounted at the tail end of the fixing base, an upper fixing frame is fixedly mounted above the circular fixing frame, an auxiliary fixing frame is mounted above the fixing base, and vertical plate fixing frames are arranged at the tops of the upper fixing frame and the auxiliary fixing frame. A fixed clamping sleeve is arranged on the front side of each vertical plate fixing frame, a main ring sleeve is fixedly installed at the end of the auxiliary fixing frame and inserted into the upper fixing frame, when the distance between the upper fixing frame and the auxiliary fixing frame is enough for the gear, the gear is placed between the two fixed clamping sleeves, and the gear is clamped between the two fixed clamping sleeves. And then a driving motor is started to enable the upper fixing frame and the auxiliary fixing frame to get close to each other, at the moment, the two fixing clamping sleeves get close to each other to fix the gear, the whole fixing base can be adjusted in a self-adaptive mode according to the size of the gear, and therefore fixing of gears of different specifications can be improved, and the gear fixing capacity is greatly improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention belongs to the technical field of fixed chucks, and more specifically, relates to a fixed chuck for gear processing. Background Art

[0002] In the field of gear processing, traditional gear fixing technology faces many challenges, which seriously affect processing efficiency, processing quality and equipment versatility.

[0003] Poor fixed versatility

[0004] Traditional gear fixtures are often designed for specific gear sizes and lack adaptive adjustment capabilities. Changing fixtures or making complex equipment adjustments to accommodate gears of varying sizes is time-consuming and labor-intensive, limiting the equipment's suitability for diverse gear processing. In actual production, companies may need to process gears of varying specifications. Frequent fixture changes and equipment adjustments lead to low production efficiency and fail to meet market demand for rapid delivery of diverse gear products.

[0005] Insufficient fixed fit

[0006] Traditional fixing methods struggle to automatically adjust to the gear's shape and surface characteristics, resulting in an inability to securely fit the clamping sleeve against the gear. This can cause the gear to wobble or shift during machining, compromising precision and reducing product quality. Furthermore, the inability to adaptively adjust the clamping force can damage gears made of unusual materials or structures due to excessive localized force, increasing scrap rates and production costs.

[0007] Low adaptability to gears of different thicknesses

[0008] Traditional equipment has difficulty securing gears of varying thicknesses. Typically, the equipment can only secure gears within a certain thickness range, lacking effective adjustment options for gears that are too thick or too thin. Processing gears of varying thicknesses may require additional shims or complex mechanical adjustments, which not only increases operational complexity but also easily introduces errors, impacting processing quality and efficiency.

[0009] In summary, the existing gear fixing technology has obvious deficiencies in terms of versatility, fit, and adaptability to gears of different thicknesses, and cannot meet the modern gear processing industry's demand for efficient, precise, and universal processing. Summary of the Invention

[0010] In order to solve the above technical problems, the present invention provides a fixed chuck for gear processing to solve the above problems.

[0011] A fixed chuck for gear processing comprises a fixed base, a circular fixing frame fixedly mounted on the end of the fixed base, an upper fixing frame fixedly mounted above the circular fixing frame, an auxiliary fixing frame mounted above the fixed base, vertical plate fixing frames are provided on the tops of the upper fixing frame and the auxiliary fixing frame, a fixed clamping sleeve is provided on the front side of each vertical plate fixing frame, a main ring sleeve is fixedly mounted on the end of the auxiliary fixing frame, and the main ring sleeve is inserted into the interior of the upper fixing frame, a driving motor is provided above the fixed base, a threaded rod frame is provided on the front side of the driving motor, and the threaded rod frame is installed inside the upper fixing frame through threads.

[0012] Preferably, a threaded rod sleeve is fixedly installed inside the upper fixing frame, and the threaded rod sleeve is installed inside the threaded rod sleeve through threads, a sliding frame is slidably installed above the fixed base, and the driving motor is fixedly installed inside the sliding frame, and the end of the driving motor output shaft is fixedly installed with a connecting collar, and an annular groove is opened on the surface of the connecting collar, and the end of the connecting collar is fixedly connected to the threaded rod frame, and a slot plate is fixedly installed on the back of the auxiliary fixing frame, and the bottom of the slot plate is inserted into the outside of the annular groove opened by the connecting collar, and the opposite surfaces of the auxiliary fixing frame and the upper fixing frame are fixedly installed with fixed cross plates, and a driving assembly is provided under each fixed cross plate, and a threaded rod is fixed at the end of the output shaft of each driving assembly, and the threaded rod at the end of each driving assembly is rotatably connected to the bottom of the upper lifting platform.

[0013] Preferably, a groove is provided on the top of each fixed clamping sleeve, and a sliding rod is fixedly installed inside each groove, a spring is installed between the surface of each sliding rod and the top of the vertical plate fixing frame, each fixed clamping sleeve is arc-shaped, and the two fixed clamping sleeves are used to clamp the fixed gear, an airbag and two first air columns are fixedly installed inside each fixed clamping sleeve, the two first air columns are respectively located at the two ends of the fixed clamping sleeve, and the airbag is located in the middle of the fixed clamping sleeve, and a connecting air pipe is connected between the airbag and the two first air columns.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In the present invention, the driving motor starts to drive the connecting ring and the threaded rod frame to rotate, and the threaded rod frame rotates in the threaded rod sleeve frame inside the upper fixing frame. At this time, the threaded rod frame drives the sliding frame and the auxiliary fixing frame to move, and the movement of the auxiliary fixing frame drives the main ring sleeve at the end to move, and the main ring sleeve moves inside the upper fixing frame. When the distance between the upper fixing frame and the auxiliary fixing frame is enough for the gear, it stops. At this time, the gear is placed between the two fixed clamping sleeves, and then the driving motor is started to move the upper fixing frame and the auxiliary fixing frame close to each other. At this time, the two fixed clamping sleeves are close to each other to fix the gear. The fixed base as a whole can be adaptively adjusted according to the size of the gear, thereby improving the fixation of gears of different specifications, greatly improving the ability to fix the gear.

[0016] In the present invention, the hardness of the gear itself will react on the two fixed clamping sleeves, and the fixed clamping sleeve will squeeze the airbag and the first air column when it is subjected to force. Since the positions of the airbag and the first air column are different, after the fixed clamping sleeve is squeezed, the air inside the airbag and the first air column will automatically adjust with the pressure, and the air moves through the connecting air pipe, so that the fixed clamping sleeve can fit the gear more closely, greatly improving the fixing ability of different gears. In addition, the adaptive adjustment of the first air column and the air in the airbag can adaptively adjust the clamping force of different positions of the gear, effectively reducing the damage to the gear during fixing.

[0017] In the present invention, due to the different thicknesses of different gears, the two driving components are then started, and the driving components are started to drive the two upper lifting platforms to move upward or downward. When the upper lifting platform moves upward, the upper lifting platform moves to drive the gear upward, and the gear moves upward to drive the fixed clamping sleeve to move upward, and the fixed clamping sleeve moves upward to drive the sliding rod to move upward, and the sliding rod moves upward to compress the spring. At this time, thinner gears can be adapted. Similarly, when the gears are thicker, the two sets of upper lifting platforms can be moved downward, thereby completing the fixed processing of gears of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the fixed base of the present invention;

[0019] Figure 2 This is a schematic diagram of the overall structure of the circular fixing frame of the present invention;

[0020] Figure 3 It is a schematic diagram of the overall structure of the upper fixing frame of the present invention;

[0021] Figure 4 This is a schematic diagram of the main ring structure of the present invention;

[0022] Figure 5 This is a schematic diagram of the fixed horizontal plate structure of the present invention;

[0023] Figure 6 It is a structural schematic diagram of the fixed clamping sleeve of the present invention.

[0024] In the figure, the correspondence between the component names and the drawing numbers is: 1. Fixed base; 12. Circular fixing frame; 13. Upper fixing frame; 14. Threaded rod sleeve frame; 15. Sliding frame; 16. Driving motor; 17. Connecting ring; 18. Threaded rod frame; 19. Annular sleeve; 2. Auxiliary fixing frame; 21. Slot plate; 22. Main ring sleeve; 23. Fixed horizontal plate; 24. Driving assembly; 25. Upper lifting platform; 26. Vertical plate fixing frame; 27. Fixed clamping sleeve; 28. Sliding rod; 29. ​​Spring; 3. First air column; 31. Connecting air pipe; 32. Airbag. DETAILED DESCRIPTION

[0025] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0026] See also Figures 1-6 The present invention provides a fixed chuck for gear processing, comprising a fixed base 1, a circular fixing frame 12 being fixedly mounted on the end of the fixed base 1, an upper fixing frame 13 being fixedly mounted above the circular fixing frame 12, an auxiliary fixing frame 2 being mounted above the fixed base 1, vertical plate fixing frames 26 being provided on the tops of the upper fixing frame 13 and the auxiliary fixing frame 2, a fixed clamping sleeve 27 being provided on the front side of each vertical plate fixing frame 26, a main ring sleeve 22 being fixedly mounted on the end of the auxiliary fixing frame 2, a threaded rod frame 18 driving the sliding frame 15 and the auxiliary fixing frame 2 to move, the movement of the auxiliary fixing frame 2 driving the main ring sleeve 22 at the end to move, and the main ring sleeve 22 being fixed on the upper fixing frame 13 and the auxiliary fixing frame 2 The internal movement of the fixing frame 13 stops when the distance between the upper fixing frame 13 and the auxiliary fixing frame 2 is enough for the gear. At this time, the gear is placed between the two fixed clamping sleeves 27, and then the driving motor 16 is started to move the upper fixing frame 13 and the auxiliary fixing frame 2 closer to each other. At this time, the two fixed clamping sleeves 27 are close to each other to fix the gear. The fixed base 1 as a whole can be adaptively adjusted according to the size of the gear, and the main ring sleeve 22 is inserted into the upper fixing frame 13. A driving motor 16 is provided above the fixed base 1, and a threaded rod frame 18 is provided on the front side of the driving motor 16. The threaded rod frame 18 is installed inside the upper fixing frame 13 by threads.

[0027] The threaded rod sleeve 14 is fixedly installed inside the upper fixing frame 13, and the threaded rod frame 18 is installed inside the threaded rod sleeve 14 through threads. A sliding frame 15 is slidably installed above the fixed base 1, and the drive motor 16 is fixedly installed inside the sliding frame 15. The hardness of the gear itself will react on the two fixed clamping sleeves 27. The fixed clamping sleeve 27 will squeeze the airbag 32 and the first air column 3 when it is subjected to force. Since the positions of the airbag 32 and the first air column 3 are different, after the fixed clamping sleeve 27 is squeezed, the air inside the airbag 32 and the first air column 3 will automatically adjust with the pressure, and the air moves through the connecting air pipe 31, so that the fixed clamping sleeve 27 can fit the gear more closely, greatly improving the fixing ability of different gears, and the first air column 3 and the adaptive adjustment of the air in the airbag 32 can adapt the clamping force of different gear positions. The end of the output shaft of the drive motor 16 is fixedly installed with a connecting collar 17. The surface of the connecting collar 17 is provided with an annular groove 19, and the end of the connecting collar 17 is fixedly connected to the threaded rod frame 18. The back of the auxiliary fixing frame 2 is fixedly installed with a slot plate 21. The bottom of the slot plate 21 is inserted into the outside of the annular groove 19 opened in the connecting collar 17. The opposite surfaces of the auxiliary fixing frame 2 and the upper fixing frame 13 are fixedly installed with fixed cross plates 23. A driving assembly 24 is provided below each fixed cross plate 23, and a threaded rod is fixed to the end of the output shaft of each driving assembly 24. The threaded rod at the end of each driving assembly 24 is rotatably connected to the bottom of the upper lifting platform 25.

[0028] A groove is formed on the top of each fixed clamping sleeve 27, and a sliding rod 28 is fixedly installed inside each groove. A spring 29 is installed between the surface of each sliding rod 28 and the top of the vertical plate fixing frame 26. Due to the different thicknesses of different gears, the two driving components 24 are then started. The driving components 24 start to drive the two upper lifting platforms 25 to move upward or downward. When the upper lifting platform 25 moves upward, the upper lifting platform 25 moves to drive the gear to move upward. The upward movement of the gear drives the fixed clamping sleeve 27 to move upward. The movement of the fixed clamping sleeve 27 drives the sliding rod 28 to move upward. The sliding rod 28 moves upward to compress the spring 29, and at this time, it can adapt to thinner gears. Similarly, when the gears are thicker, the two sets of upper lifting platforms 25 can be moved downward. Each fixed clamping sleeve 27 is arc-shaped, and the two fixed clamping sleeves 27 are used to clamp the fixed gears. An airbag 32 and two first air columns 3 are fixedly installed inside each fixed clamping sleeve 27. The two first air columns 3 are respectively located at the two ends of the fixed clamping sleeve 27, and the airbag 32 is located in the middle of the fixed clamping sleeve 27. A connecting air pipe 31 is connected between the airbag 32 and the two first air columns 3.

[0029] Working principle:

[0030] The first step: during gear processing, the driving motor 16 inside the sliding frame 15 is started, and the driving motor 16 starts to drive the connecting ring 17 and the threaded rod frame 18 to rotate. The threaded rod frame 18 rotates in the threaded rod sleeve 14 inside the upper fixed frame 13. At this time, the threaded rod frame 18 drives the sliding frame 15 and the auxiliary fixed frame 2 to move. The movement of the auxiliary fixed frame 2 drives the main ring sleeve 22 at the end to move. The main ring sleeve 22 moves inside the upper fixed frame 13. When the distance between the upper fixed frame 13 and the auxiliary fixed frame 2 is enough for the gear, it stops. At this time, the gear is placed between the two fixed clamping sleeves 27, and then the driving motor 16 is started to move the upper fixed frame 13 and the auxiliary fixed frame 2 close to each other. At this time, the two fixed clamping sleeves 27 are close to each other to fix the gear. The fixed base 1 as a whole can be adaptively adjusted according to the size of the gear, thereby improving the fixation of gears of different specifications, greatly improving the ability to fix the gear;

[0031] Step 2: When the gear is fixed between the two fixed clamping sleeves 27, the hardness of the gear itself will react on the inside of the two fixed clamping sleeves 27. The fixed clamping sleeve 27 will be squeezed by the force and squeeze the airbag 32 and the first air column 3. Since the positions of the airbag 32 and the first air column 3 are different, after the fixed clamping sleeve 27 is squeezed, the air inside the airbag 32 and the first air column 3 will automatically adjust with the pressure. The air moves through the connecting air pipe 31, so that the fixed clamping sleeve 27 can fit the gear more closely, greatly improving the fixing ability of different gears. In addition, the adaptive adjustment of the air in the first air column 3 and the airbag 32 can adapt the clamping force of the gear at different positions, effectively reducing the damage to the gear during fixing.

[0032] Step 3: After the gear is installed between the two fixed clamping sleeves 27, due to the different thicknesses of different gears, the two driving components 24 are then started. The driving components 24 start to drive the two upper lifting platforms 25 to move upward or downward. When the upper lifting platform 25 moves upward, the upper lifting platform 25 moves to drive the gear upward, and the gear moves upward to drive the fixed clamping sleeve 27 to move upward. The fixed clamping sleeve 27 moves to drive the sliding rod 28 to move upward, and the sliding rod 28 moves upward to compress the spring 29. At this time, thinner gears can be adapted. Similarly, when the gears are thicker, the two sets of upper lifting platforms 25 can be moved downward, thereby completing the fixed processing of gears of different thicknesses.

[0033] The embodiments of the present invention are presented for purposes of illustration and description and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are chosen and described in order to better illustrate the principles of the invention and its practical application and to enable those skilled in the art to understand the invention and design various embodiments with various modifications as suited for specific applications.

Claims

1. A fixed chuck for gear machining, comprising a fixed base (1), characterized in that: A circular fixing frame (12) is fixedly installed at the end of the fixed base (1), an upper fixing frame (13) is fixedly installed above the circular fixing frame (12), an auxiliary fixing frame (2) is installed above the fixed base (1), and a vertical plate fixing frame (26) is provided on the top of the upper fixing frame (13) and the auxiliary fixing frame (2), and a fixed clamping sleeve (27) is provided on the front side of each vertical plate fixing frame (26), and a main ring sleeve (22) is fixedly installed on the end of the auxiliary fixing frame (2), and the main ring sleeve (22) is plugged into the interior of the upper fixing frame (13), a driving motor (16) is provided above the fixed base (1), and a threaded rod frame (18) is provided on the front side of the driving motor (16), and the threaded rod frame (18) is installed inside the upper fixing frame (13) through threads.

2. A fixed chuck for gear machining as claimed in claim 1, characterized in that: A threaded rod sleeve (14) is fixedly installed inside the upper fixing frame (13), and the threaded rod frame (18) is installed inside the threaded rod sleeve (14) through threads.

3. A fixed chuck for gear machining as claimed in claim 1, characterized in that: A sliding frame (15) is slidably mounted above the fixed base (1), and a driving motor (16) is fixedly mounted inside the sliding frame (15). A connecting collar (17) is fixedly mounted on the end of an output shaft of the driving motor (16).

4. A fixed chuck for gear machining as claimed in claim 3, characterized in that: An annular sleeve groove (19) is provided on the surface of the connecting sleeve (17), and the end of the connecting sleeve (17) is fixedly connected to the threaded rod frame (18).

5. A fixed chuck for gear machining as claimed in claim 1, characterized in that: A slot plate (21) is fixedly mounted on the back of the auxiliary fixing frame (2), and the lower portion of the slot plate (21) is plugged into the outside of the annular sleeve groove (19) formed on the connecting sleeve ring (17).

6. A fixed chuck for gear machining as claimed in claim 1, characterized in that: The opposite surfaces of the auxiliary fixing frame (2) and the upper fixing frame (13) are fixedly mounted with fixed transverse plates (23), a driving assembly (24) is provided below each fixed transverse plate (23), and a threaded rod is fixed to the end of the output shaft of each driving assembly (24).

7. A fixed chuck for gear machining as claimed in claim 6, characterized in that: The threaded rod at the end of each driving assembly (24) is rotatably connected to the bottom of the upper lifting platform (25).

8. A fixed chuck for gear machining as claimed in claim 1, characterized in that: A groove is formed on the top of each fixed clamping sleeve (27), and a sliding rod (28) is fixedly installed inside each groove. A spring (29) is installed between the surface of each sliding rod (28) and the top of the vertical plate fixing frame (26).

9. A fixed chuck for gear machining as claimed in claim 1, characterized in that: Each fixed clamping sleeve (27) is arc-shaped, and the two fixed clamping sleeves (27) are used to clamp the fixed gear.

10. A fixed chuck for gear machining as claimed in claim 9, characterized in that: An air bag (32) and two first air columns (3) are fixedly installed inside each fixed clamping sleeve (27), the two first air columns (3) are respectively located at the two ends of the fixed clamping sleeve (27), and the air bag (32) is located in the middle of the fixed clamping sleeve (27), and a connecting air pipe (31) is connected between the air bag (32) and the two first air columns (3).