Clamping mechanism for numerical control gear hobbing machine

Through the motor-driven rotation adjustment structure and bevel gear meshing transmission system, the synchronous adjustment problem of the clamping mechanism of the CNC gear hockey machine is solved, stable clamping and simple position adjustment of the workpiece are achieved, and operating efficiency is improved.

CN120502780APending Publication Date: 2025-08-19JIANGSU SHALONG MECHANICAL & ELECTRICAL TECH CO LTD
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Patent Information

Application Number
CN202510766270.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-10
Publication Date
2025-08-19

AI Technical Summary

Technical Problem

The existing CNC gear hobbing machine clamping mechanism does not have the synchronous adjustment function, and multiple fasteners need to be adjusted one by one, resulting in complex clamping and fixing operations of the workpiece and complicated position adjustment.

Method used

The rotation adjustment structure driven by the motor is adopted, including bevel gears and belt transmission systems, to realize the synchronous clamping and position adjustment of the workpiece. The motor drives the shaft and the transmission gear, and the bevel gear meshing realizes the rotation adjustment of the top plate, the motor drives the shaft and the bevel gear meshing, and the bevel gear meshing drives the shaft and the turntable. The slider slides in the slide groove to adjust the clamping block, and the belt drive synchronously adjusts the clamping rod and the clamping block.

Benefits of technology

It realizes stable clamping and fixing of the workpiece and simple position adjustment, making clamping operation easier and position adjustment more efficient.

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Abstract

The invention relates to the technical field of numerically-controlled gear hobbing machines, and discloses a clamping mechanism for a numerically-controlled gear hobbing machine, which comprises a base, inner ring teeth are fixed on one side surface of the base, a roller is slidably mounted on the surface of the base, a stand column is fixed on one side surface of the roller, a top plate is fixed at the upper end of the stand column, and an angle adjusting assembly is fixed on one side surface of the top plate. A second motor is fixed to the surface of one side of the top plate, a second rotating shaft is fixed to the output end of the second motor, a first bevel gear is fixed to the surface of the outer side of the second rotating shaft, and a clamping assembly is arranged on the surface of one side of the top plate and comprises a third rotating shaft, a first sliding groove, a first sliding block and a first clamping block. An auxiliary clamping assembly is arranged on one side of the top plate and comprises a second sliding groove, a third bevel gear, a sliding ring, a groove and a second clamping block. The device has the beneficial effects that the structure is reasonable, control and adjustment are convenient, and workpiece fixing and position adjustment are convenient to achieve.
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Description

Technical Field

[0001] The invention relates to the technical field of numerically controlled gear hobbing machines, in particular to a clamping mechanism for numerically controlled gear hobbing machines. Background Art

[0002] CNC gear hobbing machine is a kind of equipment used for batch, small batch and single piece production of cylindrical gears and worm gears. It can also process drum gears with certain parameters and short spline shafts with six teeth or more of a certain length, as well as use sprocket hobs to roll sprockets. It uses reverse milling and forward milling and axial feed (vertical feed) to process cylindrical gears, and radial feed to process ordinary worm gears. The method of adjusting and processing spline shafts and sprockets is the same as that of processing cylindrical spur gears.

[0003] When a CNC gear hobbing machine processes a workpiece, it needs to use a clamping mechanism to clamp the workpiece. However, the existing clamping mechanism does not have a synchronous adjustment function when clamping the workpiece. Personnel are required to adjust multiple fasteners one by one to fix the various positions of the workpiece, which makes the clamping and fixing operation of the workpiece more complicated. When the position of the workpiece needs to be adjusted, the fasteners need to be loosened first, and then the position of the workpiece needs to be adjusted, and then the workpiece needs to be clamped again, which makes the adjustment of the workpiece position more complicated. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem that the existing clamping mechanism does not have the synchronous adjustment function, and personnel need to adjust multiple fasteners one by one to fix the various positions of the workpiece, which makes the clamping and fixing operation of the workpiece more complicated. When the position of the workpiece needs to be adjusted, the fasteners need to be loosened first, and then the position of the workpiece is adjusted, and then the workpiece is clamped again, which makes the adjustment of the workpiece position more complicated. A clamping mechanism for a CNC gear hobbing machine is proposed.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] The cam is fixed on one end of the gear train, and the cam is fixed on the other end of the gear train, and the cam is fixed on the other end of the gear train.

[0007] As a preferred embodiment of the present invention, there are seven rollers and seven columns, the rollers are slidably connected to the inner ring teeth, the angle adjustment assembly includes motor 1, the output end of motor 1 is fixedly mounted with a rotating shaft 1, the end of the rotating shaft 1 away from motor 1 is fixedly mounted with a transmission gear, the transmission gear forms a rotation adjustment structure through motor 1, and the transmission gear and the inner ring teeth are engaged with each other.

[0008] As a preferred embodiment of the present invention, the rotating shaft 2 and the bevel gear 1 both form a rotation adjustment structure through the motor 2, and the bevel gear 2 is fixed to one end of the rotating shaft 3, and the bevel gear 2 and the bevel gear 1 are meshed with each other. The rotating shaft 2 and the rotating shaft 3 form a synchronous rotation adjustment structure, and a turntable is fixed to the outside of the rotating shaft 3, and a connecting rod 1 is rotated on one side of the turntable. Through the setting of the motor 1, the motor 1 can drive the rotating shaft 1 to rotate, so that the rotating shaft 1 can drive the transmission gear to rotate. Under the action of the inner ring teeth meshing with the transmission gear, the rotation of the transmission gear can drive the top plate to rotate and adjust, so that when the position of the workpiece needs to be adjusted, the workpiece needs to be removed and readjusted and then fixed, which makes the operation easier.

[0009] As a preferred embodiment of the present invention, the slide groove 1 is arranged on one side surface of the top plate, the slider 1 is slidably installed on the inner side of the slide groove 1, a rotating shaft 4 is rotatably installed on one side of the slider 1, the end of the connecting rod 1 away from the turntable is fixedly installed on the outer surface of the rotating shaft 4, a clamping rod 1 is fixedly installed on one side surface of the slider 1, the clamping block 1 is fixedly installed on one end of the clamping rod 1, and one side surface of the clamping block 1 has an arc-shaped structure.

[0010] As a preferred embodiment of the present invention, the second slide groove is arranged on one side surface of the top plate, and a screw rod is rotatably installed on the inner surface of the second slide groove. A belt pulley 2 is fixedly installed on one end of the screw rod, and a transmission belt is connected between the second belt pulley and the first belt pulley. The transmission belt forms a synchronous rotation adjustment structure between the first belt pulley and the second belt pulley.

[0011] As a preferred embodiment of the present invention, the bevel gear three is fixedly mounted on the outer surface of the screw rod, a limiting rod is fixedly mounted on one side surface of the top plate, and the slip ring is slidably mounted on the outer surface of the limiting rod. The slip ring has a circular ring structure, and a limiting groove is provided on one side surface of the slip ring. The limiting rod and the limiting groove are slidably connected.

[0012] As a preferred embodiment of the present invention, a bevel gear ring is fixedly installed on the outer surface of the slip ring. The bevel gear ring has an annular structure and is meshed with bevel gear three. There are four bevel gear threes, and the four bevel gear threes are all meshed with the bevel gear ring.

[0013] As a preferred embodiment of the present invention, a slider 2 is slidably installed on the inner surface of the slide groove 2, and a connecting rod 2 is rotatably installed on one side surface of the slider 2. The slider 2 forms a sliding adjustment structure through the slide groove 2, and the slider 2 is threadedly connected to the screw rod.

[0014] As a preferred embodiment of the present invention, the groove is arranged on one side surface of the top plate, the inner surface of the groove is rotatably mounted with a rotating shaft five, the outer surface of the rotating shaft five is fixedly mounted with a clamping rod two, the clamping block two is fixedly mounted on one end of the clamping rod two, the clamping block two is a semi-cylindrical structure, a fixing rod is fixedly mounted on one side surface of the clamping rod two, and the end of the connecting rod two away from the slider two is rotatably mounted on the outer surface of the fixing rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. By setting up motor 2, motor 2 can drive the base and bevel gear 1 to rotate, so that bevel gear 1 can drive bevel gear 2 meshing with it to rotate, so that bevel gear 2 drives rotating shaft 3 and turntable to rotate. Under the action of connecting rod 1, turntable can drive slider 1 to slide and adjust in slide groove 1, and slider 1 drives clamping rod 1 and clamping block 1 to move and adjust, so as to clamp and fix the workpiece. When rotating shaft 2 rotates, it drives belt pulley 1 to rotate. Under the action of transmission belt, belt pulley 1 drives belt pulley 2 to rotate. , so that the belt pulley 2 drives the screw rod and the bevel gear 3 to rotate. Under the action of the bevel gear ring that meshes with the bevel gear 3, the bevel gear ring and the slip ring rotate and adjust, so that the four bevel gears 3 rotate synchronously, so that the rotation of the inner ring teeth can drive the slider 2 threadedly connected thereto to slide. Under the action of the connecting rod 2, the sliding of the slider 2 can drive the clamping rod 2 to rotate, so that the clamping rod 2 can drive the clamping block 2 to rotate, so that the clamping block 2 can clamp the side of the workpiece, making the clamping of the workpiece more stable and the clamping and fixing effect better;

[0017] 2. By setting up motor 1, motor 1 can drive shaft 1 to rotate, so that shaft 1 can drive transmission gear to rotate. Under the action of the inner ring gear meshing with the transmission gear, the rotation of the transmission gear can drive the top plate to rotate and adjust. When the position of the workpiece needs to be adjusted, the workpiece needs to be removed, readjusted and then fixed, making the operation easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] To facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention without the base;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention without the angle adjustment component;

[0022] Figure 4 For the present invention Figure 2 A in the middle is an enlarged schematic diagram of the three-dimensional structure;

[0023] Figure 5 For the present invention Figure 3 The enlarged schematic diagram of the three-dimensional structure at point B in the middle.

[0024] In the figure: 1. base; 2. inner ring gear; 3. roller; 4. column; 5. top plate; 6. motor 1; 7. rotating shaft 1; 8. transmission gear; 9. motor 2; 10. rotating shaft 2; 11. bevel gear 1; 12. rotating shaft 3; 13. bevel gear 2; 14. turntable; 15. connecting rod 1; 16. slide 1; 17. slider 1; 18. rotating shaft 4; 19. clamping rod 1; 20. clamping block 1; 21. belt pulley 1; 22. slide 2; 23. screw rod; 24. belt pulley 2; 25. transmission belt; 26. bevel gear 3; 27. limiting rod; 28. slip ring; 29. limiting groove; 30. bevel gear ring; 31. slider 2; 32. connecting rod 2; 33. groove; 34. rotating shaft 5; 35. clamping rod 2; 36. clamping block 2; 37. fixing rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; it is obvious that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0026] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0028] In the present invention, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0029] In the present invention, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be such that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the descriptions with reference to the terms "one scheme", "some schemes", "examples", "specific examples" or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more schemes or examples.

[0030] Example 1

[0031] See also Figure 1-Figure 5As shown, a clamping mechanism for a CNC gear hobbing machine includes a base 1, an inner ring gear 2 is fixed to one side surface of the base 1, a roller 3 is slidably mounted on the surface of the base 1, a column 4 is fixed to one side surface of the roller 3, a top plate 5 is fixed to the upper end of the column 4, an angle adjustment component is fixed to one side surface of the top plate 5, and the position of the workpiece can be adjusted by setting the angle adjustment component, a motor 2 9 is fixed to one side surface of the top plate 5, a rotating shaft 2 10 is fixed to the output end of the motor 2 9, the motor 2 9 can drive the rotating shaft 2 10 to rotate, and a bevel gear 1 is fixed to the outer surface of the rotating shaft 2 10 11, so that the rotation of the rotating shaft 2 10 can drive the bevel gear 11 to rotate, a clamping assembly is provided on one side surface of the top plate 5, the clamping assembly includes the rotating shaft 3 12, the slide 16, the slider 17, and the clamping block 20, the clamping assembly can clamp and fix the workpiece, one end of the rotating shaft 2 10 is fixed with a belt pulley 21, and one side of the top plate 5 is provided with an auxiliary clamping assembly, the auxiliary clamping assembly includes the slide 22, the bevel gear 3 26, the slip ring 28, the groove 33 and the clamping block 2 36, the auxiliary clamping assembly can assist in clamping the workpiece, so that the fixing effect of the workpiece is better.

[0032] Example 2

[0033] See also Figure 1-Figure 5As shown, seven rollers 3 and columns 4 are provided, and the rollers 3 are slidably connected to the inner ring gear 2. The angle adjustment component includes a motor 6. The output end of the motor 6 is fixedly mounted with a rotating shaft 7. The end of the rotating shaft 7 away from the motor 6 is fixedly mounted with a transmission gear 8. The transmission gear 8 forms a rotation adjustment structure through the motor 6. The transmission gear 8 and the inner ring gear 2 are meshed with each other, so that when the position of the workpiece needs to be adjusted, the motor 6 is controlled to drive the rotating shaft 7 to rotate, so that the rotating shaft 7 drives the transmission gear 8 to rotate, so that when the workpiece is in contact with the motor 6, the rotation adjustment structure is formed. The transmission gear 8 is meshed with the inner ring gear 2, and the roller 3 can be slid and adjusted on the inner side of the inner ring gear 2, so that the top plate 5 can be rotated and adjusted to adjust the position of the workpiece, making it easy to adjust the position of the workpiece. The rotating shaft 2 10 and the bevel gear 1 11 both form a rotation adjustment structure through the motor 2 9. One end of the rotating shaft 3 12 is fixed with the bevel gear 2 13, and the bevel gear 2 13 and the bevel gear 1 11 are meshed with each other. The rotating shaft 2 10 and the rotating shaft 3 12 form a synchronous rotation adjustment structure. The outer side of the rotating shaft 3 12 is fixed with a turntable 14. The turntable 14 A connecting rod 15 is rotatable on one side of the top plate 5, a slide 16 is provided on one side surface of the top plate 5, a slider 17 is slidably mounted on the inner side of the slide 16, a rotating shaft 4 18 is rotatably mounted on one side of the slider 17, an end of the connecting rod 15 away from the turntable 14 is fixedly mounted on the outer surface of the rotating shaft 4 18, a clamping rod 19 is fixedly mounted on one side surface of the slider 17, a clamping block 20 is fixedly mounted on one end of the clamping rod 19, a side surface of the clamping block 20 is an arc-shaped structure, and the motor 29 is controlled to drive the rotating shaft 2 10 to rotate, so that the rotating shaft 2 10 drives bevel gear 11 to rotate, so that the rotation of bevel gear 11 can drive bevel gear 2 13 meshing with it to rotate, so that bevel gear 2 13 can drive rotating shaft 3 12 to rotate, and rotating shaft 3 12 drives turntable 14 to rotate. Under the action of connecting rod 15, the rotation of turntable 14 can drive slider 17 to slide and adjust in slide groove 16, and the two sliders 17 move and adjust in opposite directions, so that slider 17 can drive clamping rod 19 and clamping block 120 to move and adjust, so that clamping block 20 clamps and fixes the workpiece.

[0034] Example 3

[0035] See also Figure 1-Figure 5As shown, the second slide 22 is set on the side surface of the top plate 5, and the inner surface of the second slide 22 is rotatably installed with a screw rod 23, and one end of the screw rod 23 is fixedly installed with a belt pulley 24, and a transmission belt 25 is connected between the belt pulley 24 and the belt pulley 1 21. The belt pulley 1 21 and the belt pulley 2 24 form a synchronous rotation adjustment structure through the transmission belt 25, and the bevel gear 3 26 is fixedly installed on the outer surface of the screw rod 23. A limit rod 27 is fixedly installed on one side surface of the top plate 5, and a slip ring 28 is slidably installed on the outer surface of the limit rod 27. The slip ring 28 is a circular ring structure, and a limit groove 29 is provided on one side surface of the slip ring 28. The limit rod 27 and the limit groove 29 is in sliding connection, the outer surface of the slip ring 28 is fixedly installed with a bevel gear ring 30, the bevel gear ring 30 is annular, the bevel gear ring 30 and the bevel gear three 26 are meshed with each other, and there are four bevel gears three 26. The four bevel gears three 26 are all meshed with the bevel gear ring 30, and the inner surface of the slide groove 22 is slidably installed with a slider 2 31, and one side surface of the slider 2 31 is rotatably installed with a connecting rod 2 32. The slider 2 31 constitutes a sliding adjustment structure through the slide groove 22. The slider 2 31 is threadedly connected to the screw rod 23, and the groove 33 is provided on one side surface of the top plate 5. The inner surface of the groove 33 is rotatably installed with a rotating shaft 5 34. The rotating shaft 5 34 A clamping rod 2 35 is fixedly installed on the outer surface, and a clamping block 2 36 is fixedly installed on one end of the clamping rod 2 35. The clamping block 2 36 is a semi-cylindrical structure. A fixing rod 37 is fixedly installed on one side surface of the clamping rod 2 35. The end of the connecting rod 2 32 away from the slider 2 31 is rotatably installed on the outer surface of the fixing rod 37. When the rotating shaft 2 10 rotates, it can also drive the belt pulley 1 21 to rotate, so that the belt pulley 1 21 can drive the belt pulley 2 24 to rotate under the action of the transmission belt 25, so that the belt pulley 2 24 can drive the screw rod 23 to rotate, so that the screw rod 23 can drive the bevel gear 3 26 to rotate, and the rotation of the bevel gear 3 26 can drive The bevel gear ring 30 meshing with it is rotated, so that the bevel gear ring 30 drives the slip ring 28 to slide and adjust on the outside of the limit rod 27, so that the bevel gear ring 30 can drive the four bevel gears 3 26 to rotate synchronously, so that the bevel gear 3 26 can drive the screw rod 23 to rotate synchronously, so that the slider 2 31 threadedly connected to the screw rod 23 slides and adjusts in the slide groove 22, so that the slider 2 31 can drive the clamping rod 2 35 to rotate under the action of the connecting rod 2 32, so that the clamping rod 2 35 can drive the clamping block 2 36 to rotate, so that the clamping block 2 36 clamps and fixes the outside of the workpiece, making it easier to clamp and fix the workpiece.

[0036] Example 4

[0037] A clamping mechanism for a CNC gear hobbing machine also includes an electric controller, which is control-connected to motor 1 6 and motor 2 9 and is used to control the rotation of motor 1 6 and motor 2 9; a sensor module is also installed on the clamping block 1 20, which is used to measure the distance between the workpiece and the clamping block 1 20 and send it to the electric controller; after the electric controller receives the distance between the clamping block 1 20 and the workpiece, it converts it into the number of rotations of motor 2 9 according to a certain ratio, and then controls motor 2 9 to work according to the number of rotations, thereby driving the clamping block 1 20 to move and clamp the workpiece; at the same time, the built-in timer of the electric controller records the timestamp 1 of the initial movement of the clamping block 1 20 and the timestamp 2 of the end movement, and records the time difference between the timestamp 1 and the timestamp 2 to obtain the workpiece clamping time period; if the workpiece clamping time period is greater than or equal to the set time period threshold, a clamping aging reminder instruction is generated and transmitted to the corresponding intelligent terminal or display terminal for reminder. If the workpiece clamping time period is less than the set time period threshold, all workpiece clamping time periods within a period of time are retrieved, where a period of time is a preset number of days, such as three days, five days, or ten days. If a clamping aging reminder instruction is generated within a period of time, the time after the clamping aging reminder instruction is processed and the current time are taken as a period of time. Extract the values corresponding to all workpiece clamping time periods within a period of time, and sort them in chronological order to obtain a time period set, i.e. They represent the values corresponding to the work clamping time periods, n is the total number of values in the time period set, and n≥4; the time period set is accumulated to obtain a new time period set, that is, in Calculate the set of adjacent means for a set of time periods, in Constructing a time period GM model Indicates the value corresponding to the i-th work clamping time period in the time period set, i ≥ 2, Represents the i-th adjacent mean in the adjacent mean set; a represents the development coefficient, b represents the grey action, a and b are calculated by the grey differential equation and the least squares method; calculate the prediction time period of the adjacent mean set Perform the inverse operation of cumulative subtraction on the prediction time period corresponding to the adjacent mean value set to obtain the working clamping time period prediction value of the time period set Right now If the predicted value of the working clamping time period is greater than threshold 2, an inspection and maintenance label corresponding to the clamping mechanism is generated, and the electronic controller transmits it to the corresponding display terminal for display, and is processed by personnel; so as to promptly remind personnel to inspect and maintain the clamping mechanism to avoid malfunction of the clamping mechanism affecting the processing of the workpiece.

[0038] When the present invention is in use, the workpiece is placed between the clamping blocks 1 20, and the motor 2 9 is controlled so that the motor 2 9 drives the rotating shaft 2 10 to rotate, so that the rotating shaft 2 10 drives the bevel gear 1 11 to rotate, so that the rotation of the bevel gear 11 can drive the bevel gear 2 13 meshing with it to rotate, so that the bevel gear 2 13 can drive the rotating shaft 3 12 to rotate, and the rotating shaft 3 12 drives the turntable 14 to rotate. Under the action of the connecting rod 15, the rotation of the turntable 14 can drive the slider 17 to slide and adjust in the slide groove 16, and The two sliders 17 are adjusted to move in opposite directions, so that the slider 17 can drive the clamping rod 19 and the clamping block 20 to move and adjust, so that the clamping block 20 clamps and fixes the workpiece. When the rotating shaft 21 rotates, it can also drive the belt pulley 21 to rotate, so that the belt pulley 21 can drive the belt pulley 24 to rotate under the action of the transmission belt 25, so that the belt pulley 24 can drive the screw rod 23 to rotate, so that the screw rod 23 can drive the bevel gear 3 26 to rotate, and the rotation of the bevel gear 3 26 can drive the screw rod 23 to rotate. The bevel gear ring 30 that meshes with each other rotates, so that the bevel gear ring 30 drives the slip ring 28 to slide and adjust on the outside of the limit rod 27, so that the bevel gear ring 30 can drive the four bevel gears 3 26 to rotate synchronously, so that the bevel gear 3 26 can drive the screw rod 23 to rotate synchronously, so that the slider 2 31 threadedly connected to the screw rod 23 slides and adjusts in the slide groove 22, so that the slider 2 31 can drive the clamping rod 2 35 to rotate under the action of the connecting rod 2 32, so that the clamping rod 2 35 can drive the clamping block 2 36 to rotate. When the workpiece is moved, the clamping block 2 36 clamps and fixes the outer side of the workpiece, making it easy to clamp and fix the workpiece. When the position of the workpiece needs to be adjusted, the motor 1 6 is controlled to drive the rotating shaft 1 7 to rotate, so that the rotating shaft 1 7 drives the transmission gear 8 to rotate, so that under the action of the inner ring tooth 2 that meshes with the transmission gear 8, the roller 3 can be slid and adjusted on the inner side of the inner ring tooth 2, so that the top plate 5 can be rotated and adjusted to adjust the position of the workpiece, making it easy to adjust the position of the workpiece.

[0039] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A clamping mechanism for a CNC gear hobbing machine, comprising a base (1), characterized in that: An inner ring gear (2) is fixed on one side surface of the base (1), a roller (3) is slidably mounted on the surface of the base (1), a column (4) is fixed on one side surface of the roller (3), a top plate (5) is fixed on the upper end of the column (4), an angle adjustment component is fixed on one side surface of the top plate (5), a motor 2 (9) is fixed on one side surface of the top plate (5), a rotating shaft 2 (10) is fixed on the output end of the motor 2 (9), a bevel gear 1 (11) is fixed on the outer side surface of the rotating shaft 2 (10), and a clamping member is provided on one side surface of the top plate (5). The clamping assembly comprises a rotating shaft 3 (12), a sliding groove 1 (16), a sliding block 1 (17), and a clamping block 1 (20). A belt pulley 1 (21) is fixed to one end of the rotating shaft 2 (10). An auxiliary clamping assembly is provided on one side of the top plate (5). The auxiliary clamping assembly comprises a sliding groove 2 (22), a bevel gear 3 (26), a slip ring (28), a groove (33), and a clamping block 2 (36). The sliding groove 2 (22) is provided on a side surface of the top plate (5). A screw rod (23) is rotatably installed on the inner surface of the sliding groove 2 (22). The screw rod (23) ) is fixedly mounted with a belt pulley 2 (24) at one end, a transmission belt (25) is connected between the belt pulley 2 (24) and the belt pulley 1 (21), and a synchronous rotation adjustment structure is formed between the belt pulley 1 (21) and the belt pulley 2 (24) through the transmission belt (25), a slider 2 (31) is slidably mounted on the inner surface of the slide groove 2 (22), a connecting rod 2 (32) is rotatably mounted on one side surface of the slider 2 (31), and the slider 2 (31) forms a sliding adjustment structure through the slide groove 2 (22), and a cam is formed between the slider 2 (31) and the screw rod (23). The screw connection is provided on one side surface of the top plate (5), the inner side surface of the groove (33) is rotatably mounted with a rotating shaft (34), the outer side surface of the rotating shaft (34) is fixedly mounted with a clamping rod (35), the clamping block (36) is fixedly mounted on one end of the clamping rod (35), the clamping block (36) is a semi-cylindrical structure, the one side surface of the clamping rod (35) is fixedly mounted with a fixing rod (37), and the end of the connecting rod (32) away from the slider (31) is rotatably mounted on the outer side surface of the fixing rod (37).

2. The clamping mechanism for a CNC gear hobbing machine according to claim 1, characterized in that: The roller (3) is in sliding connection with the inner ring gear (2), and the angle adjustment component includes a motor (6). A rotating shaft (7) is fixedly mounted on the output end of the motor (6), and a transmission gear (8) is fixedly mounted on the end of the rotating shaft (7) away from the motor (6). The transmission gear (8) forms a rotation adjustment structure through the motor (6), and the transmission gear (8) and the inner ring gear (2) are meshed with each other.

3. The clamping mechanism for a CNC gear hobbing machine according to claim 2, characterized in that: The rotating shaft 2 (10) and the bevel gear 1 (11) both form a rotation adjustment structure through the motor 2 (9); one end of the rotating shaft 3 (12) is fixed with the bevel gear 2 (13); the bevel gear 2 (13) and the bevel gear 1 (11) are meshed with each other; the rotating shaft 2 (10) and the rotating shaft 3 (12) form a synchronous rotation adjustment structure; a rotating disk (14) is fixed on the outer side of the rotating shaft 3 (12); and a connecting rod 1 (15) is rotated on one side of the rotating disk (14).

4. The clamping mechanism for a CNC gear hobbing machine according to claim 3, characterized in that: The slide groove (16) is arranged on a side surface of the top plate (5), the slider (17) is slidably installed on the inner side of the slide groove (16), a rotating shaft (18) is rotatably installed on one side of the slider (17), the end of the connecting rod (15) away from the turntable (14) is fixedly installed on the outer surface of the rotating shaft (18), a clamping rod (19) is fixedly installed on one side surface of the slider (17), the clamping block (20) is fixedly installed on one end of the clamping rod (19), and one side surface of the clamping block (20) is an arc-shaped structure.

5. The clamping mechanism for a CNC gear hobbing machine according to claim 4, characterized in that: The bevel gear three (26) is fixedly mounted on the outer surface of the screw rod (23), a limiting rod (27) is fixedly mounted on one side surface of the top plate (5), and the slip ring (28) is slidably mounted on the outer surface of the limiting rod (27). The slip ring (28) is a circular ring structure, and a limiting groove (29) is provided on one side surface of the slip ring (28). The limiting rod (27) and the limiting groove (29) are in sliding connection.

6. The clamping mechanism for a CNC gear hobbing machine according to claim 5, characterized in that: A bevel gear ring (30) is fixedly mounted on the outer surface of the slip ring (28). The bevel gear ring (30) is annular in structure. The bevel gear ring (30) and bevel gear three (26) are meshed with each other. There are four bevel gear threes (26), and the four bevel gear threes (26) are all meshed with the bevel gear ring (30).