A shaft gear processing machine tool

Abstract

The present application relates to a shaft gear processing machine tool, which belongs to the field of shaft gear processing equipment, and includes a frame, a cavity is provided on the frame, a workbench is provided in the cavity, a station for placing the shaft gear is provided on the workbench, and a clamping mechanism for positioning the shaft gear is provided in each station; a cutter head mechanism is provided on the top of the frame; a mounting hole is provided at the position of the workbench corresponding to the clamping mechanism, and the clamping mechanism includes a transmission shaft rotatably connected to the mounting hole, and a plurality of clamping plates are connected to the transmission shaft, and the clamping plates are evenly arranged along the circumference of the transmission shaft, and a clamping groove for the shaft body of the shaft gear to be inserted is formed between the clamping plates, and a fixing cylinder is provided outside the clamping groove, and a locking assembly is provided on the workbench for driving the fixing cylinder to slide upward along the clamping plate to drive the clamping plate to press the shaft gear tightly. The present application has the effect of facilitating the clamping and fixing of the shaft gear, and improving the efficiency and quality of shaft gear processing.

Description

Technical Field

[0001] The present application relates to the field of shaft gear processing equipment, and in particular to a shaft gear processing machine tool. Background Art

[0002] In the field of mechanical processing, shaft gears are a common transmission component and are widely used in various mechanical equipment. During the processing of shaft gears, they need to be accurately clamped and fixed to ensure processing accuracy and quality.

[0003] Existing gear clamping devices mostly use manual clamping, which is cumbersome and inefficient. At the same time, these devices often lack precise adjustment mechanisms, making it difficult to accurately control the clamping position. In addition, existing devices lack effective monitoring means during the clamping process, and cannot ensure the stability and reliability of clamping, thus affecting the machining quality of the gear.

[0004] Therefore, the problems in the prior art mainly include unstable clamping, inconvenient adjustment and low degree of automation, which seriously restrict the efficiency and quality of shaft gear processing. Summary of the invention

[0005] In order to facilitate the clamping and fixing of shaft gears and improve the efficiency and quality of shaft gear processing, the present application provides a shaft gear processing machine tool.

[0006] The present application provides a shaft gear processing machine tool that adopts the following technical solution:.

[0007] A shaft gear processing machine tool comprises a frame, a cavity is formed on the frame, a workbench is arranged in the cavity, a workstation for placing the shaft gear is arranged on the workbench, and a clamping mechanism for positioning the shaft gear is arranged in each workstation; a cutter head mechanism is arranged on the top of the frame; a mounting hole is formed on the workbench at a position corresponding to the clamping mechanism, and the clamping mechanism comprises a transmission shaft rotatably connected to the mounting hole, a plurality of clamping plates are connected to the transmission shaft, the clamping plates are evenly arranged along the circumference of the transmission shaft, and clamping grooves for inserting the shaft body of the shaft gear are formed between the clamping plates, a fixing cylinder is arranged outside the clamping groove, and a locking assembly is arranged on the workbench for driving the fixing cylinder to slide upward along the clamping plate to drive the clamping plate to press the shaft gear tightly.

[0008] By adopting the above technical solution, when the user uses it, the shaft gear is inserted into the clamping groove formed by the clamping plate, the locking assembly drives the fixing cylinder to slide upward, the fixing cylinder pushes the clamping plate to squeeze the shaft body of the shaft gear, the clamping plate squeezes and fixes the circumference of the shaft body of the shaft gear, thereby fixing the shaft gear in the clamping groove, and the cutter head mechanism processes and cuts grooves on the toothed disc of the shaft gear, which is convenient for clamping and fixing the shaft gear, thereby improving the efficiency and quality of shaft gear processing.

[0009] Optionally, the locking assembly includes an external thread arranged on the outside of the fixed cylinder near the bottom, a positioning cylinder is fixedly connected to the workbench, the positioning cylinder is sleeved outside the fixed cylinder, an internal thread is opened in the positioning cylinder, the fixed cylinder and the positioning cylinder are threadedly connected, a transmission gear is fixedly connected to the outside of the fixed cylinder, a support plate is arranged at the position of the workbench corresponding to the loading station, an arc-shaped rack is fixedly connected to the top of the support plate, and the transmission gear and the rack are meshed.

[0010] By adopting the above technical solution, when the user uses it, when the driving motor drives the workbench to rotate, the transmission gear rotates with the cooperation of the rack, which can drive the fixed cylinder to rotate, and the fixed cylinder slides upward along the axial direction. The inclined surface inside the fixed cylinder and the inclined surface outside the clamping plate are squeezed and matched with each other, pushing all the clamping plates to clamp the shaft body of the shaft gear, thereby fixing the shaft gear in the clamping plate.

[0011] Optionally, a slope is provided on the outer side of the clamping plate, and the thickness of the clamping plate gradually decreases from the top to the bottom. A slope is provided on the inner wall of the fixing tube, and the inner diameter of the fixing tube decreases from top to bottom.

[0012] By adopting the above technical solution, when the user uses it, the inclined surface of the fixed cylinder and the inclined surface of the clamping plate cooperate, and the inclined surface plays a guiding role. The fixed cylinder slides upward, and the greater the squeezing force on the clamping plate, the more stable the clamping of the shaft gear.

[0013] Optionally, a fixed plate is provided on the workbench, a power motor is rotatably connected to the fixed plate, a power gear is fixedly connected to the output shaft of the power motor, the power gear is used to mesh with the transmission gear, and the thickness of the power gear is greater than the thickness of the transmission gear.

[0014] By adopting the above technical solution, when the user uses it, after the shaft gear processing is completed, the driving motor drives the shaft gear to rotate to the unloading station, the power motor drives the power gear to rotate, the power gear engages with the transmission gear, and drives the transmission gear to rotate in the opposite direction, and the transmission gear drives the fixed cylinder to slide downward, so that the pressure of the fixed cylinder on the clamping plate disappears, and the pressure of the clamping plate on the shaft gear disappears, which is convenient for taking out the shaft gear.

[0015] Optionally, one end of the transmission shaft extends to the accommodating cavity and is fixedly connected to a slave gear, a first motor is fixedly connected to the middle of the workbench, the first motor is located at the center of the workbench, the output shaft of the first motor extends into the accommodating cavity and is fixedly connected to a main gear, and the main gear is meshed with all the slave gears.

[0016] By adopting the above technical solution, when the user uses it, after the first motor drives the main gear to rotate, it can drive all the slave gears to rotate, thereby driving the transmission shaft to rotate, and then driving the shaft gear installed in the workstation to rotate.

[0017] Optionally, the tool head mechanism includes a slot milling cutter, an expanding milling cutter, a gear shaping cutter and a grinding cutter, and the slot milling cutter, the expanding milling cutter, the gear shaping cutter and the grinding cutter are distributed along a circular circumference, and the slot milling cutter, the expanding milling cutter, the gear shaping cutter and the grinding cutter are all connected to a gear box.

[0018] By adopting the above technical solution, when the user uses it, the slot milling cutter, expansion milling cutter, gear shaping cutter and grinding cutter are respectively used to mill the slots, expand the slots, insert the tooth profile and grind the gears on the wheel disc of the shaft gear. The shaft gear is rotated to the expansion milling cutter, gear shaping cutter and grinding cutter for processing in turn, so that the shaft gear can complete rough milling of the tooth groove, expansion milling of the tooth groove, gear shaping of the tooth groove and grinding of the inner wall of the tooth groove on this machine tool. Not only can four shaft gears be processed at the same time, but also multiple processes of multiple shaft gears can be completed on the same machine tool, replacing the traditional need to place the shaft gears on different machine tools for processing, thereby greatly increasing the processing efficiency of the shaft gears.

[0019] Optionally, the workbench is provided with no less than six workstations, each of which is evenly spaced along the circumference of the workbench, and the workstations in the counterclockwise direction are a loading station, a slot milling station, an expansion milling station, a gear shaping station, a grinding station and an unloading station.

[0020] By adopting the above technical solution, when the user uses it, he loads the unprocessed shaft gear from the loading station, and the driving motor drives the worktable to rotate to each tool in turn. Each tool processes the shaft gear respectively, that is, four shaft gears can be processed at the same time, and each step of shaft gear processing can be completed on the same machine tool, instead of the traditional need to place the shaft gears on different machine tools for processing, thereby greatly increasing the processing efficiency of the shaft gears.

[0021] Optionally, a driving motor is fixedly connected to the frame, an output shaft of the driving motor is fixedly connected to the bottom of the workbench, and the driving motor is a stepping motor.

[0022] By adopting the above technical solution, when the user uses it, the stepper motor can accurately control the rotation angle of the motor. When six workstations are set, the workbench is controlled to rotate sixty degrees each time, thereby controlling the workpiece to rotate to the positions of the slot milling cutter, expansion milling cutter, gear shaping cutter and grinding cutter in sequence for processing.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. By setting a station for placing shaft gears on the workbench, each station is provided with a clamping mechanism for positioning the shaft gears. The clamping mechanism automatically positions the shaft gears, making it easier to clamp and fix the shaft gears, thereby improving the efficiency and quality of shaft gear processing;

[0025] 2. Slot milling cutters, expanding milling cutters, gear shaping cutters and grinding cutters are arranged along the circumference of a circle, and the slot milling cutters, expanding milling cutters, gear shaping cutters and grinding cutters are all connected with gear boxes, so that the shaft gear can complete rough milling of tooth grooves, expanding milling of tooth grooves, gear shaping of tooth grooves and grinding of the inner wall of tooth grooves on this machine tool, not only can four shaft gears be processed at the same time, but also multiple processes of multiple shaft gears can be completed on the same machine tool, replacing the traditional need to place the shaft gears on different machine tools for processing, thereby greatly increasing the processing efficiency of the shaft gears;

[0026] 3. By arranging a loading station, a slot milling station, an expansion milling station, a gear shaping station, a grinding station and an unloading station on the workbench, each tool processes the shaft gear separately, that is, four shaft gears can be processed at the same time, and each step of shaft gear processing can be completed on the same machine tool, replacing the traditional need to place the shaft gears on different machine tools for processing, thereby greatly increasing the processing efficiency of the shaft gears. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0028] Figure 2 It is a structural schematic diagram of the workbench and clamping mechanism of the present application;

[0029] Figure 3 It is a cross-sectional view of the workbench and the clamping mechanism;

[0030] Figure 4 It is an exploded view of the workbench and clamping mechanism;

[0031] Figure 5 yes Figure 3 Enlarged view of part A.

[0032] Explanation of the accompanying drawings: 1. frame; 11. cavity; 2. workbench; 20. mounting hole; 21. driving motor; 22. loading station; 23. slot milling station; 24. expansion milling station; 25. gear shaping station; 26. grinding station; 27. unloading station; 28. accommodating chamber; 281. transmission shaft; 282. connecting rod; 29. ​​first motor; 291. main gear; 292. slave gear; 3. clamping mechanism; 31. clamping plate; 32. clamping groove; 33. fixing cylinder; 34. transmission gear; 35. positioning cylinder; 36. supporting plate; 361. rack; 37. fixing plate; 371. power motor; 372. power gear; 4. cutter head mechanism; 41. slot milling cutter; 42. expansion milling cutter; 43. gear shaping cutter; 44. grinding cutter; 45. gear box. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-5 This application is described in further detail.

[0034] The present application embodiment discloses a shaft gear processing machine tool, referring to Figure 1 , including a frame 1, a cavity 11 is opened on the frame 1, one side of the cavity 11 is open, a workbench 2 is arranged in the cavity 11, a plurality of clamping mechanisms 3 are arranged on the workbench 2, the clamping mechanisms 3 are used to position the shaft gear so as to process the tooth grooves of the shaft gear; a cutter head mechanism 4 is arranged on the top of the frame 1, and the cutter head mechanism 4 is used to groove the shaft gear.

[0035] Reference Figure 1 and Figure 2 The cutter head mechanism 4 includes four cutter heads arranged on the top wall of the cavity 11, and the cutter heads are a slot milling cutter 41, an expanding milling cutter 42, a gear shaping cutter 43 and a grinding cutter 44 in sequence. The slot milling cutter 41, the expanding milling cutter 42, the gear shaping cutter 43 and the grinding cutter 44 are distributed along the circumference of a circle, and the positions of adjacent cutter heads to the center of the circle form an angle of sixty degrees, which are respectively used for milling slots, expanding slots, inserting tooth profiles and grinding gears on the wheel disc of the shaft gear. The slot milling cutter 41, the expanding milling cutter 42, the gear shaping cutter 43 and the grinding cutter 44 are all connected to a gear box 45, and the gear box 45 is used to provide power to the cutter heads.

[0036] Reference Figure 2 and Figure 3 A drive motor 21 is fixedly connected to the frame 1, and the output shaft of the drive motor 21 is fixedly connected to the bottom of the workbench 2. The drive motor 21 is a stepper motor. The stepper motor can accurately control the rotation angle of the motor, rotating sixty degrees each time, thereby controlling the workpiece to rotate to the positions of the slot milling cutter 41, the expansion milling cutter 42, the gear shaping cutter 43 and the grinding cutter 44 in sequence for processing.

[0037] The workbench 2 is provided with a plurality of workstations for placing shaft gears, six of which are shown in the figure. Each workstation is evenly spaced along the circumference of the workbench 2. The workstations are respectively a loading station 22, a slot milling station 23, an expansion milling station 24, a gear shaping station 25, a grinding station 26 and an unloading station 27 in a counterclockwise direction. The unprocessed shaft gears are loaded from the loading station 22, and the driving motor 21 drives the workbench 2 to rotate under each tool in turn. Each tool processes the shaft gear respectively, that is, four shaft gears can be processed at the same time, and each step of shaft gear processing can be completed on the same machine tool, instead of the traditional need to place the shaft gears on different machine tools for processing, thereby greatly increasing the processing efficiency of the shaft gears.

[0038] Reference Figure 3 and Figure 4, wherein each station is provided with a clamping mechanism 3 with the same structure, a receiving cavity 28 is provided in the workbench 2, and a mounting hole 20 is provided at the top of the workbench 2 corresponding to the position of each station, the mounting hole 20 is communicated with the receiving cavity 28, a transmission shaft 281 penetrates the mounting hole 20, one end of the transmission shaft 281 extends into the receiving cavity 28, the transmission shaft 281 located in the receiving cavity 28 is fixedly connected with a slave gear 292, a first motor 29 is fixedly connected to the middle of the workbench 2, the first motor 29 is located at the center of the workbench 2, the output shaft of the first motor 29 extends into the receiving cavity 28 and is fixedly connected with a main gear 291, and the main gear 291 is meshed with all the slave gears 292; when the first motor 29 drives the main gear 291 to rotate, it can drive all the slave gears 292 to rotate, thereby driving the transmission shaft 281 to rotate, and then driving the shaft gears installed in the station to rotate.

[0039] Reference Figure 3 and Figure 5 The other end of the transmission shaft 281 extends out of the workbench 2 and is fixedly connected to a plurality of connecting rods 282. The connecting rods 282 are evenly spaced along the circumference of the transmission shaft 281, and gaps are left between adjacent connecting rods 282. The clamping mechanism 3 includes a clamping plate 31 at one end of the connecting rod 282 away from the transmission shaft 281. The clamping plate 31 is arranged in an arc shape, and a cylindrical clamping groove 32 is formed between the clamping plates 31. The clamping groove 32 is used for the shaft body of the shaft gear to be plugged in. The outer side of the clamping plate 31 is provided with an inclined surface. The inclined surface is inclined from top to bottom, so that the thickness of the clamping plate 31 gradually decreases from top to bottom; a fixed cylinder 33 is sleeved on the outside of the clamping plate 31, and the inner wall of the fixed cylinder 33 is provided with an inclined surface, so that the inner diameter of the fixed cylinder 33 decreases from top to bottom, and the fixed cylinder 33 is provided with an external thread near the outside of the bottom. A positioning cylinder 35 is fixedly connected to the workbench 2, and the positioning cylinder 35 is sleeved on the outside of the fixed cylinder 33. An internal thread is provided in the positioning cylinder 35, and the fixed cylinder 33 and the positioning cylinder 35 are threadedly connected.

[0040] The outer wall of the fixed cylinder 33 is fixedly connected with a transmission gear 34, and a support plate 36 is provided at the position of the workbench 2 corresponding to the loading station 22. The top of the support plate 36 is fixedly connected with an arc-shaped rack 361, and the rack 361 is arranged in an arc shape, and the transmission gear 34 and the rack 361 are meshed; when the driving motor 21 drives the workbench 2 to rotate, the transmission gear 34 rotates with the cooperation of the rack 361, which can drive the fixed cylinder 33 to rotate, and the fixed cylinder 33 slides upward along the axial direction, and the inclined surface inside the fixed cylinder 33 and the inclined surface outside the clamping plate 31 are pressed and matched with each other, pushing all the clamping plates 31 to clamp to the shaft body of the shaft gear, and then fixing the shaft gear in the clamping plate 31.

[0041] Replay Figure 2 and Figure 3A fixed plate 37 is provided at the position corresponding to the unloading station of the workbench 2, and a power motor 371 is rotatably connected to the fixed plate 37, and a power gear 372 is fixedly connected to the output shaft of the power motor 371, and the power gear 372 is used to mesh with the transmission gear 34, wherein the thickness of the power gear 372 is half of the thickness of the transmission gear 34; when the shaft gear is processed, the drive motor 21 drives the shaft gear to rotate to the unloading station 27, and the power motor 371 drives the power gear 372 to rotate, and the power gear 372 meshes with the transmission gear 34 and drives the transmission gear 34 to rotate in the opposite direction, and the transmission gear 34 drives the fixed cylinder 33 to slide downward, so that the pressure of the fixed cylinder 33 on the clamping plate 31 disappears, and the pressure of the clamping plate 31 on the shaft gear disappears, which is convenient for taking out the shaft gear.

[0042] The implementation principle of a shaft gear processing machine tool in the embodiment of the present application is as follows: the ungrooved shaft gear is placed from the loading station 22 into the clamping groove 32 between the clamping plates 31; when the driving motor 21 drives the workbench 2 to rotate, the transmission gear 34 rotates with the cooperation of the rack 361, which can drive the fixed cylinder 33 to rotate, and the fixed cylinder 33 slides upward along the axial direction, and the inclined surface inside the fixed cylinder 33 and the inclined surface outside the clamping plate 31 squeeze and cooperate with each other, pushing all the clamping plates 31 to clamp the shaft body of the shaft gear, and then fixing the shaft gear in the clamping plate 31; after the shaft gear is fixed, the driving motor 21 drives the workbench 2 to rotate sixty degrees, so that the fixed shaft gear rotates to a rough Under the milling cutter, the spindle box drives the rough milling cutter to cut the teeth on the tooth surface of the shaft gear, and the first motor 29 drives the main gear 291 to rotate, so that the rough milling cutter opens a plurality of tooth grooves on the tooth surface along its circumference; the driving motor 21 continues to rotate, so that the shaft gear rotates to the expansion milling cutter 42, the gear slotting cutter 43 and the grinding cutter 44 in turn for processing, so that the shaft gear can complete the rough milling of the tooth groove, the expansion milling of the tooth groove, the gear slotting and the grinding of the inner wall of the tooth groove on this machine tool, not only can four shaft gears be processed at the same time, but also multiple processes of multiple shaft gears can be completed on the same machine tool, instead of the traditional need to place the shaft gears on different machine tools for processing, thereby greatly increasing the processing efficiency of the shaft gears.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A shaft gear processing machine tool, characterized in that: The machine comprises a frame (1), a cavity (11) is formed on the frame (1), a workbench (2) is arranged in the cavity (11), and a plurality of workstations for placing shaft gears are arranged on the workbench (2). Each workstation is provided with a clamping mechanism (3) for positioning the shaft gear; A cutter head mechanism (4) is arranged on the top of the frame (1); The workbench (2) is provided with a mounting hole at a position corresponding to the clamping mechanism (3), and the clamping mechanism (3) comprises a transmission shaft (281) rotatably connected to the mounting hole, and a plurality of clamping plates (31) are connected to the transmission shaft (281), and the clamping plates (31) are evenly arranged along the circumference of the transmission shaft (281), and clamping grooves (32) for inserting the shaft body of the shaft gear are formed between the clamping plates (31), and a fixing cylinder (33) is arranged outside the clamping groove (32), and a locking assembly for driving the fixing cylinder (33) to slide upward along the clamping plate (31) to drive the clamping plate (31) to press the shaft gear tightly is arranged on the workbench (2); The locking assembly comprises an external thread arranged on the outside of the fixing cylinder (33) near the bottom, a positioning cylinder (35) is fixedly connected to the workbench (2), the positioning cylinder (35) is sleeved outside the fixing cylinder (33), an internal thread is provided inside the positioning cylinder (35), the fixing cylinder (33) and the positioning cylinder (35) are threadedly connected, a transmission gear (34) is fixedly connected outside the fixing cylinder (33), a support plate (36) is arranged at a position of the workbench (2) corresponding to the loading station (22), an arc-shaped rack (361) is fixedly connected to the top of the support plate (36), and the transmission gear (34) and the rack (361) are meshed; The outer side of the clamping plate (31) is provided with an inclined surface, and the thickness of the clamping plate (31) gradually decreases from the top to the bottom. The inner wall of the fixing tube (33) is provided with an inclined surface, and the inner diameter of the fixing tube (33) decreases from top to bottom. A driving motor (21) is fixedly connected to the frame (1), an output shaft of the driving motor (21) is fixedly connected to the bottom of the workbench (2), and the driving motor (21) is a stepping motor.

2. The shaft gear processing machine tool according to claim 1, characterized in that: The workbench (2) is provided with a fixing plate (37), a power motor (371) is rotatably connected to the fixing plate (37), a power gear (372) is fixedly connected to the output shaft of the power motor (371), the power gear (372) is used to mesh with the transmission gear (34), and the thickness of the power gear (372) is greater than the thickness of the transmission gear (34).

3. The shaft gear processing machine tool according to claim 1, characterized in that: One end of the transmission shaft (281) extends to the accommodating cavity (28) and is fixedly connected to a slave gear (292); a first motor (29) is fixedly connected to the middle of the workbench (2); the first motor (29) is located at the center of the workbench (2); an output shaft of the first motor (29) extends into the accommodating cavity (28) and is fixedly connected to a main gear (291); the main gear (291) and all the slave gears (292) are meshed.

4. The shaft gear processing machine tool according to claim 1, characterized in that: The tool head mechanism (4) comprises a slot milling cutter (41), an expanding milling cutter (42), a gear shaping cutter (43) and a grinding cutter (44); the slot milling cutter (41), the expanding milling cutter (42), the gear shaping cutter (43) and the grinding cutter (44) are distributed along a circular circumference; and the slot milling cutter (41), the expanding milling cutter (42), the gear shaping cutter (43) and the grinding cutter (44) are all connected to a gear box (45).

5. The shaft gear processing machine tool according to claim 1, characterized in that: The workbench (2) is provided with no less than six workstations, each of which is evenly spaced along the circumference of the workbench (2), and the workstations are respectively a loading station (22), a slot milling station (23), an expansion milling station (24), a gear shaping station (25), a grinding station (26), and a unloading station (27) in a counterclockwise direction.

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