Stepping motor gear processing device

By using a three-jaw chuck and a clamping mechanism that is internally and externally connected and bidirectionally driven, combined with a gear shaping and cooling system, the problem that traditional stepper motor gear processing equipment cannot adapt to gears of different specifications has been solved, thus improving processing accuracy and efficiency.

CN122625730APending Publication Date: 2026-08-25SUZHOU DINGTAI PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202610632382.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-09
Publication Date
2026-08-25

AI Technical Summary

Technical Problem

The clamping mechanism of traditional stepper motor gear processing equipment cannot flexibly adapt to gears of different specifications, resulting in decreased processing accuracy and cumbersome operation, which affects the ease of use and reliability of the equipment.

Method used

Employing a three-jaw chuck and a through-type, bidirectional clamping mechanism, combined with a gear shaping mechanism and a cooling system, it achieves stable positioning and machining of gears of different thicknesses and diameters. Adjustable pressure plates and cooling spray pipes enhance machining accuracy and efficiency.

Benefits of technology

It enables stable positioning and high-precision machining of gears of different specifications, simplifies the operation process, and improves processing efficiency and equipment reliability.

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Abstract

The application discloses a kind of step motor gear processing equipment, it is related to gear processing field, including equipment frame, equipment frame is provided with three-jaw chuck, clamping mechanism is connected in three-jaw chuck, gear is connected on clamping mechanism, gear processing mechanism is arranged on the two sides of three-jaw chuck, gear processing mechanism at least includes a tool, tool is processed to gear in up and down movement process, equipment frame is further fixedly connected with fixed seat, fixed seat is provided with the centre for tightly clamping mechanism.The beneficial effects of the present application compared with prior art are: the present application is simple in structure, convenient to use, the fixation of clamping mechanism is realized by three-jaw chuck, so that different clamping mechanisms can be replaced, gears of different thickness and diameter can be better adapted during gear processing, so as to ensure the processing effect.
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Description

Technical Field

[0001] This invention relates to the field of gear processing, specifically to a stepper motor gear processing equipment. Background Technology

[0002] In the field of mechanical transmission, stepper motor gears, as core components for achieving precise speed regulation and power transmission, are widely used in automated equipment, precision instruments, CNC devices, and other products. Their machining accuracy and assembly adaptability directly affect the operational stability and transmission efficiency of stepper motors. Traditional stepper motor gear processing equipment mostly adopts a fixed clamping structure, with the clamping components integrated or semi-fixedly connected to the main body of the equipment, which cannot be flexibly replaced according to processing requirements.

[0003] In actual machining processes, the gears to be processed vary in diameter and have significant differences in blank thickness. Fixed clamping mechanisms struggle to stably and accurately position and clamp gears of different specifications, easily leading to problems such as loose clamping and center misalignment. This results in decreased gear machining accuracy and increased tooth profile errors, failing to meet the high precision and consistency requirements of stepper motors. Furthermore, existing adjustable clamping devices are complex in structure and cumbersome to operate, increasing the time cost of gear clamping and adjustment, reducing machining efficiency, and their redundant structure makes them prone to failure, affecting the overall ease of use and reliability of the equipment. Summary of the Invention

[0004] The purpose of this invention is to provide a stepper motor gear processing device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A stepper motor gear processing device includes a frame, a three-jaw chuck on the frame, a clamping mechanism connected to the three-jaw chuck, a gear connected to the clamping mechanism, and gear shaping mechanisms on both sides of the three-jaw chuck. Each gear shaping mechanism includes at least one cutting tool, which processes the gear during its up-and-down movement. A fixed base is also fixedly connected to the frame, and a center for clamping the clamping mechanism is provided on the fixed base.

[0006] As a further aspect of the present invention: the clamping mechanism includes a clamping end, a clamping tube is fixedly connected to the clamping end, the clamping end communicates with the interior of the clamping tube, a guide groove is provided on the side wall of the clamping tube, a support member for supporting the gear is slidably arranged inside the guide groove, a fixing unit is provided on the side of the gear away from the support member, the fixing unit is slidably connected to the guide groove, the clamping end is provided with a first driving unit for driving the support member to move, and the end of the clamping tube away from the clamping end is provided with a second driving unit for driving the fixing unit to move.

[0007] As a further embodiment of the present invention: the first driving unit includes a first driving rod rotatably connected to the clamping end, a driving gear is fixedly connected to the end of the first driving rod, two symmetrically arranged side shafts are rotatably connected inside the clamping tube, and a driven gear meshing with the driving gear is fixedly connected to the end of each side shaft, and the support member is threadedly connected to the side shafts.

[0008] As a further embodiment of the present invention: the second driving unit includes a second driving rod rotatably connected inside the clamping tube, the fixing unit includes a fixing plate threadedly connected to the second driving rod, the fixing plate is slidably connected to the guide groove, and a pressure plate is slidably connected inside the guide groove, the pressure plate being pressed against the surface of the gear under the squeezing action of the fixing plate.

[0009] As a further aspect of the present invention: the pressure plate has a split structure, and the different pressure plate components are connected by bolts.

[0010] As a further embodiment of the present invention: the gear hobbing mechanism includes a telescopic adjustment rod rotatably connected to the equipment frame, a swing seat fixedly connected to the top of the telescopic adjustment rod, an adjustment component for adjusting the position of the tool is provided on the swing seat, and a liquid spray pipe for cooling is also provided on the side of the tool.

[0011] As a further embodiment of the present invention: the bottom of the equipment frame is provided with an adjustment unit for adjusting the angle of the telescopic adjustment rod. The adjustment unit includes an electric telescopic rod, and a connecting plate is fixedly connected to the bottom of the telescopic adjustment rod. The electric telescopic rod adjusts the angle of the telescopic adjustment rod by pushing and pulling the connecting plate.

[0012] As a further embodiment of the present invention: a liquid collection tray is fixedly connected to the top of the equipment frame, and a partition is fixedly connected to the liquid collection tray. The partition has a plurality of liquid collection holes that penetrate the space below the partition.

[0013] As a further aspect of the present invention: a filtration unit is provided inside the collection hole, and the filtration unit is snapped into the collection tray by a snap-fit ​​method, so that the filtration unit can be replaced when the partition moves upward.

[0014] As a further embodiment of the present invention: the filtrate unit includes a filter box, in which filter cotton is placed, the top of the filter box has an open structure, the filter box is located directly below the liquid collection hole, and the bottom side of the filter box is provided with a through hole for liquid discharge.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the present invention has a simple structure and is convenient to use. The clamping mechanism is fixed by a three-jaw chuck, so that by changing different clamping mechanisms, it can be better adapted to gears of different thicknesses and diameters during gear processing, thereby ensuring the processing effect. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a stepper motor gear processing equipment.

[0017] Figure 2 for Figure 1 Enlarged view of a portion of point A in the middle.

[0018] Figure 3 This is a schematic diagram of the elevation angle structure of a stepper motor gear processing equipment.

[0019] Figure 4 This is a schematic diagram of the clamping component in a stepper motor gear processing equipment.

[0020] Figure 5 for Figure 4 A structural diagram from another perspective.

[0021] Figure 6 for Figure 5 A schematic diagram of the internal structure.

[0022] Figure 7 This is a schematic diagram of the structure of the first drive unit in a stepper motor gear processing equipment.

[0023] Figure 8 This is a schematic diagram of the fit between the pressure plate and the gear in a stepper motor gear processing equipment.

[0024] Figure 9 This is a schematic diagram of the filtration unit in a stepper motor gear processing equipment.

[0025] In the diagram: 1. Equipment frame; 2. Three-jaw chuck; 3. Clamping mechanism; 4. Gear shaping mechanism; 5. Cutting tool; 6. Fixed base; 7. Center; 8. Clamping end; 9. Clamping tube; 10. Guide groove; 11. Support component; 12. Fixed unit; 13. First drive unit; 14. Second drive unit; 15. First drive rod; 16. Driving gear; 17. Side shaft; 18. Driven gear; 19. Second drive rod; 20. Fixed plate; 21. Pressure plate; 22. Telescopic adjustment rod; 23. Swing seat; 24. Adjustment component; 25. Spray pipe; 26. Adjustment unit; 27. Electric telescopic rod; 28. Connecting plate; 29. ​​Collection tray; 30. Partition plate; 31. Collection hole; 32. Filtration unit; 33. Filter box; 34. Filter cotton; 35. Through hole. Detailed Implementation

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0027] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0028] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0029] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0030] Please refer to the attached drawings. A stepper motor gear processing device is based on a frame 1 as its basic support structure. It integrates functional modules such as clamping, cutting, adjustment, and cooling / filtration to achieve automated and precision gear processing. In the core working area of ​​the frame 1, a three-jaw chuck 2 is installed. The three-jaw chuck 2 serves as the core rotary drive component of the device, with a clamping mechanism 3 stably connected to its end. The stepper motor gear to be processed is coaxially connected to the clamping mechanism 3, which positions, clamps, and fixes the gear, ensuring that the gear does not experience radial runout or axial movement during rotary processing. To achieve gear tooth profile cutting and shaping, gear shaping mechanisms 4 are symmetrically arranged on both sides of the three-jaw chuck 2. Each gear shaping mechanism 4 is equipped with at least one set of cutting tools 5. Driven by power, the cutting tools 5 perform regular up-and-down reciprocating motions, completing the cutting of the gear tooth grooves as the gear rotates synchronously with the clamping mechanism 3. To further enhance the clamping rigidity of the clamping mechanism 3 and the gear and prevent wobbling and deviation during processing, a fixed seat 6 is also fixedly installed on the equipment frame 1. A center 7 is coaxially arranged on the fixed seat 6. The center 7 can press against the end of the clamping mechanism 3 along the axial direction to form an auxiliary support structure and ensure the rotational coaxiality of the clamping mechanism 3 and the gear.

[0031] The clamping mechanism 3, as the core component for stable gear clamping, adopts a through-hole, bidirectional drive structure. Specifically, it includes a clamping end 8, which serves as the base end for connection to the three-jaw chuck 2. A clamping tube 9 is fixedly connected to the end of the clamping end 8, maintaining communication between the clamping end 8 and the interior of the clamping tube 9, providing space for the installation of internal drive components. Symmetrical guide grooves 10 are provided on the side wall of the clamping tube 9. A support member 11 is slidably disposed inside the guide groove 10. The support member 11 is mainly used to support and position the gear from the inside. A fixing unit 12 is provided on the side of the gear away from the support member 11, and the fixing unit 12 is also slidably connected to the guide groove 10. Through the cooperation of the support member 11 and the fixing unit 12, the gear is axially positioned and radially fixed on the clamping tube 9. To drive the support member 11 to move axially along the clamping tube 9, a first drive unit 13 is provided inside the clamping end 8, and a second drive unit 14 is provided at the end of the clamping tube 9 away from the clamping end 8. The second drive unit 14 can stably drive the fixing unit 12 to move along the guide groove 10, thereby completing the clamping and fixing of the gear.

[0032] The first drive unit 13 employs a drive method combining gear transmission and threaded transmission. Specifically, it includes a first drive rod 15 rotatably connected to the inner wall of the clamping end 8. A drive gear 16 is fixedly connected to the end of the first drive rod 15, and the drive gear 16 rotates synchronously with the first drive rod 15. Two symmetrically distributed side shafts 17 are rotatably connected inside the clamping tube 9. A driven gear 18 is fixedly connected to the end of each side shaft 17 near the end of the drive gear 16. The driven gear 18 maintains a stable meshing state with the drive gear 16. The support member 11 is connected to the side shafts 17 via a threaded structure. When the first drive rod 15 drives the drive gear 16 to rotate, the drive gear 16 synchronously drives the driven gears 18 and the side shafts 17 on both sides to rotate. Under the action of the threaded transmission, the side shafts 17 drive the support member 11 to move smoothly along the guide groove 10, thereby achieving precise adjustment of the gear support position.

[0033] The second drive unit 14 adopts a single-rod drive and sliding clamping structure, which includes a second drive rod 19 rotatably connected inside the clamping tube 9. The fixing unit 12 specifically includes a fixing plate 20 threadedly connected to the second drive rod 19, and the fixing plate 20 forms a sliding limiting fit with the guide groove 10. A pressure plate 21 is also slidably connected inside the guide groove 10. The pressure plate 21 is located between the fixing plate 20 and the gear. When the second drive rod 19 rotates and drives the fixing plate 20 to move, the fixing plate 20 generates a squeezing force on the pressure plate 21, so that the pressure plate 21 is tightly attached to the gear surface, forming a stable squeezing fit and preventing the gear from loosening during high-speed rotation and cutting stress. To adapt to the clamping requirements of gears of different thicknesses and specifications, the pressure plate 21 adopts a split structure design. The different components of the pressure plate 21 are detachably connected by bolts, and the size and clamping position of the pressure plate 21 can be flexibly adjusted according to the actual processing conditions.

[0034] The gear shaping mechanism 4, as the core actuator for gear cutting, has angle adjustment, height adjustment, and position fine-tuning functions. Specifically, it includes a telescopic adjustment rod 22 rotatably connected to the equipment frame 1, which allows for height adjustment. A swing seat 23 is fixedly connected to its top, and an adjustment component 24 is mounted on the swing seat 23. The adjustment component 24 allows for fine-tuning of the horizontal position and cutting angle of the cutting tool 5, ensuring precise alignment of the cutting tool 5 with the gear machining area. A spray pipe 25 is also located on the side of the cutting tool 5, connected to an external cooling system. During the cutting process, the spray pipe 25 continuously sprays coolant into the cutting area, cooling the cutting tool 5 and the gear machining area, reducing tool wear, and improving the surface finish of the gear teeth.

[0035] To enable flexible adjustment of the overall angle of the gear shaping mechanism 4, an adjustment unit 26 is installed at the bottom of the equipment frame 1. The adjustment unit 26 uses an electric telescopic rod 27 as its power core. A connecting plate 28 is fixedly connected to the bottom of the telescopic adjustment rod 22, and the output end of the electric telescopic rod 27 is movably connected to the connecting plate 28. When the electric telescopic rod 27 extends or retracts, the connecting plate 28 can be pushed or pulled to drive the telescopic adjustment rod 22 to swing around the pivot point, thereby adjusting the angle of the telescopic adjustment rod 22. This allows the cutting tool 5 to adapt to the gear machining requirements of different diameters and tooth profile parameters, improving the versatility of the equipment.

[0036] To achieve centralized recovery and recycling of cutting coolant, a collection tray 29 is fixedly connected to the top of the equipment frame 1. A partition 30 is fixedly connected to the collection tray 29. The partition 30 can divide the processing area and prevent cutting chips from splashing. Several collection holes 31 are evenly opened on the partition 30. The collection holes 31 penetrate the space below the partition 30. Coolant carrying chips can flow smoothly into the collection tray 29 through the collection holes 31 to complete the initial collection of coolant.

[0037] To improve the quality of coolant recovery, a filter unit 32 is installed inside the collection hole 31. The filter unit 32 is detachably connected to the collection tray 29 via a snap-fit ​​mechanism. When the partition 30 moves upward, the filter unit 32 is directly exposed, allowing operators to quickly disassemble, clean, and replace it, ensuring the stability of the filtration effect. The filter unit 32 specifically includes a filter box 33, inside which filter cotton 34 is placed. The filter cotton 34 effectively filters cutting debris and impurities from the coolant. The top of the filter box 33 is open, and the filter box 33 is precisely positioned directly below the collection hole 31, ensuring that the coolant completely falls into the filter box 33 for filtration. A through hole 35 is provided on the bottom side of the filter box 33. The clean coolant filtered by the filter cotton 34 can be discharged through the through hole 35 and enter the circulation pipeline for reuse, reducing processing costs and improving resource utilization.

[0038] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0039] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A stepper motor gear processing device, comprising a device frame (1), characterized in that, A three-jaw chuck (2) is provided on the equipment frame (1), and a clamping mechanism (3) is connected to the three-jaw chuck (2). A gear is connected to the clamping mechanism (3). A gear shaping mechanism (4) is provided on both sides of the three-jaw chuck (2). The gear shaping mechanism (4) includes at least one cutting tool (5). The cutting tool (5) processes the gear during its up-and-down movement. A fixed seat (6) is also fixedly connected to the equipment frame (1). A center point (7) for clamping the clamping mechanism (3) is provided on the fixed seat (6).

2. The stepper motor gear processing equipment according to claim 1, characterized in that, The clamping mechanism (3) includes a clamping end (8), a clamping tube (9) is fixedly connected to the clamping end (8), the clamping end (8) is in communication with the inside of the clamping tube (9), a guide groove (10) is provided on the side wall of the clamping tube (9), a support member (11) for supporting the gear is slidably arranged inside the guide groove (10), a fixing unit (12) is provided on the side of the gear away from the support member (11), the fixing unit (12) is slidably connected to the guide groove (10), the clamping end (8) is provided with a first driving unit (13) for driving the support member (11) to move, and a second driving unit (14) for driving the fixing unit (12) to move is provided on the end of the clamping tube (9) away from the clamping end (8).

3. The stepper motor gear processing equipment according to claim 2, characterized in that, The first drive unit (13) includes a first drive rod (15) rotatably connected to the clamping end (8). The end of the first drive rod (15) is fixedly connected to a drive gear (16). The clamping tube (9) is rotatably connected to two symmetrically arranged side shafts (17). The ends of the side shafts (17) are fixedly connected to driven gears (18) that mesh with the drive gears (16). The support member (11) is threadedly connected to the side shafts (17).

4. The stepper motor gear processing equipment according to claim 2, characterized in that, The second drive unit (14) includes a second drive rod (19) rotatably connected inside the clamping tube (9). The fixing unit (12) includes a fixing plate (20) threadedly connected to the second drive rod (19). The fixing plate (20) is slidably connected to the guide groove (10). A pressure plate (21) is also slidably connected inside the guide groove (10). The pressure plate (21) is pressed against the gear surface under the pressing action of the fixing plate (20).

5. The stepper motor gear processing equipment according to claim 4, characterized in that, The pressure plate (21) is a split structure, and the different components of the pressure plate (21) are connected by bolts.

6. The stepper motor gear processing equipment according to claim 1, characterized in that, The gear hobbing mechanism (4) includes a telescopic adjustment rod (22) rotatably connected to the equipment frame (1). A swing seat (23) is fixedly connected to the top of the telescopic adjustment rod (22). An adjustment component (24) for adjusting the position of the tool (5) is provided on the swing seat (23). A spray pipe (25) for cooling is also provided on the side of the tool (5).

7. The stepper motor gear processing equipment according to claim 6, characterized in that, The bottom of the equipment frame (1) is provided with an adjustment unit (26) for adjusting the angle of the telescopic adjustment rod (22). The adjustment unit (26) includes an electric telescopic rod (27). A connecting plate (28) is fixedly connected to the bottom of the telescopic adjustment rod (22). The electric telescopic rod (27) adjusts the angle of the telescopic adjustment rod (22) by pushing and pulling the connecting plate (28).

8. The stepper motor gear processing equipment according to claim 1, characterized in that, The top of the equipment frame (1) is fixedly connected to a liquid collection tray (29), and a partition plate (30) is fixedly connected to the liquid collection tray (29). The partition plate (30) has several liquid collection holes (31) that penetrate the space below the partition plate (30).

9. The stepper motor gear processing equipment according to claim 8, characterized in that, A filtration unit (32) is provided inside the collection hole (31). The filtration unit (32) is snapped into the collection tray (29) by a snap-fit ​​method. The filtration unit (32) can be replaced when the partition (30) moves upward.

10. The stepper motor gear processing equipment according to claim 9, characterized in that, The filtrate unit (32) includes a filter box (33), inside which filter cotton (34) is placed. The top of the filter box (33) is an open structure. The filter box (33) is located directly below the liquid collection hole (31). A through hole (35) for liquid discharge is provided on the bottom side of the filter box (33).