Efficient precise gear milling machine

Abstract

The utility model relates to an efficient precise gear milling machine which comprises a machine base, a three-jaw chuck is arranged on the machine base, an adjusting mechanism and two sets of machining devices are further arranged on the machine base, the machining devices are used for machining tooth grooves, each machining device comprises a tool rest used for installing a disc-shaped milling cutter and a driving mechanism, and two connecting columns are connected to the machine base around a workbench in a sliding mode; the two connecting columns are rotationally connected to the machine base in the vertical direction, the two tool rests are movably connected to the two connecting columns and are oppositely arranged, the driving mechanism is used for driving the tool rests to move, and the adjusting mechanism is used for adjusting the positions and angles of the two connecting columns at the same time. Tooth grooves in the gear are machined at the same time through the two machining devices, so that the machining efficiency of gear teeth is improved; and the positions and angles of the two connecting columns are adjusted at the same time through the adjusting mechanism, the possibility that the angles of the tool rests movably connected to the two connecting columns are inconsistent is reduced, and therefore the possibility that the angles of tooth grooves in the gear are inconsistent is reduced, and the precision of the gear is improved.

Description

Technical Field

[0001] The utility model relates to the field of gear milling machines, in particular to a high-efficiency and precision gear milling machine. Background Art

[0002] Gear milling machine is a machine tool widely used in the machinery manufacturing industry. It is mainly used for milling various workpieces such as various gears, keyways, splines, spur gears, etc. The working principle of the gear milling machine is to fix the workpiece on the workbench, and then drive the tool to perform milling by rotating the spindle, so as to achieve the purpose of cutting the workpiece surface into the desired shape.

[0003] A gear milling machine tool with publication number CN213318134U includes a machine tool body and a worktable. The worktable is in the shape of a rectangular plate as a whole. A plurality of mounting grooves are provided on the upper plate surface of the worktable. The mounting grooves are T-shaped grooves and penetrate the worktable along the length direction of the worktable. A scraper mechanism is arranged in the worktable. The scraper mechanism includes a plurality of scraper parts. A scraper part is arranged in a mounting groove. The scraper part includes a base plate and a scraper.

[0004] The gear milling machine in the above technical solution can only process one tooth groove on the gear at a time, and the processing efficiency is low. Utility Model Content

[0005] In order to improve the processing efficiency of a gear milling machine, the present application provides a high-efficiency and precision gear milling machine.

[0006] The present application provides a high-efficiency precision gear milling machine adopts the following technical solution:

[0007] A high-efficiency precision gear milling machine comprises a machine base, a three-jaw chuck is provided on the machine base, an adjustment mechanism and two sets of processing devices are also provided on the machine base, the processing device is used for processing tooth grooves, the processing device comprises a tool holder and a driving mechanism for installing a disc-type milling cutter, the machine base is slidably connected to two connecting columns around a workbench, the two connecting columns are respectively rotatably connected to the machine base along a vertical direction, the two tool holders are respectively movably connected to the two connecting columns, the two tool holders are relatively arranged, the driving mechanism is used to drive the movement of the tool holder, and the adjustment mechanism is used to simultaneously adjust the position and angle of the two connecting columns.

[0008] By adopting the above technical solution, the tooth grooves on the gear are processed simultaneously by two sets of processing devices to increase the processing efficiency of the gear teeth; and the positions and angles of the two connecting columns are adjusted simultaneously by the adjustment mechanism to reduce the possibility of inconsistent angles of the tool holder movably connected to the two connecting columns, thereby reducing the possibility of inconsistent angles of the tooth grooves on the gear, thereby improving the accuracy of the gear.

[0009] Preferably, the adjustment mechanism includes a position adjustment component and an angle adjustment component, the position adjustment component is used to drive the sliding of two connecting columns, the position adjustment component includes a turntable and a first large motor, the turntable is connected to the machine base in a vertical direction, a driven gear is coaxially and fixedly connected to the turntable, a driving gear is connected to the machine base in a vertical direction, the driving gear is meshed with the driven gear, the first large motor is fixedly connected to the machine base, one end of the output shaft of the first large motor is coaxially and fixedly connected to the driving gear, the two connecting columns are respectively connected to the turntable in a vertical direction, and the angle adjustment component is used to drive the rotation of the two adjustment columns at the same time.

[0010] By adopting the above technical solution, the first large motor is started, so that the first large motor drives the driving gear to rotate, and the driven gear is rotated through the meshing connection between the driving gear and the driven gear, thereby rotating the turntable, so that the connecting column on the turntable moves around the three-jaw chuck.

[0011] Preferably, the angle adjustment assembly includes a first gear and a second large motor, and the two connecting columns are respectively coaxially and fixedly connected with the second gear. The first gear is connected to the driven gear by rotation in the vertical direction. The first gear is simultaneously meshed with two second gears. The second large motor is fixedly connected to the driven gear, and one end of the output shaft of the second large motor is coaxially and fixedly connected to any connecting column.

[0012] By adopting the above technical solution, one of the connecting columns is driven to rotate by the second large motor to adjust the angle direction of the tool holder on the connecting column. When the connecting column rotates, the second gear on the connecting column rotates together. The first gear is simultaneously engaged with the two gears, so that the two second gears rotate together at the same angle, thereby reducing the possibility of inconsistent angles of the tool holders movably connected to the two connecting columns, thereby reducing the possibility of inconsistent tooth angles on the gears, thereby improving the accuracy of the gears.

[0013] Preferably, the driving mechanism includes a first slide, a second slide, a third slide and a power assembly, the first slide is fixedly connected to the connecting column, the second slide is slidably connected to the first slide in a vertical sliding direction, the third slide is slidably connected to the second slide in a horizontal direction, the tool holder is slidably connected to the third slide in a sliding direction perpendicular to the third slide, and the power assembly is used to drive the sliding of the second slide, the third slide and the tool holder respectively.

[0014] By adopting the above technical solution, the second slide, the third slide and the tool holder are driven to slide respectively by the power mechanism, so as to move the tool holder.

[0015] Preferably, the power assembly includes a first drive assembly, a second drive assembly and a third drive assembly respectively, the first drive assembly is used to drive the sliding of the tool holder, the first drive assembly includes a first threaded rod, a sleeve and a first motor, the first threaded rod is fixedly connected to the tool holder, the first threaded rod is passed through and threadedly connected to the sleeve, the sleeve is rotatably connected to the third slide along the sliding direction of the tool holder, a third gear is coaxially and fixedly connected to the sleeve, the first motor is fixedly connected to the third slide, one end of the output shaft of the first motor is coaxially and fixedly connected to the fourth gear, the fourth gear is meshingly connected to the third gear, the second drive assembly is used to drive the sliding of the second slide, and the third drive assembly is used to drive the sliding of the third slide.

[0016] By adopting the above technical solution, the fourth gear is driven to rotate by the first motor, so that the third gear meshing with the fourth gear is rotated, thereby rotating the sleeve, and the first threaded rod is threadedly connected to the sleeve, so that the first threaded rod slides along the axial direction of the sleeve, thereby sliding the tool holder.

[0017] Preferably, the second driving assembly includes a second threaded rod and a second motor, the second threaded rod is rotatably connected to the first slide along the sliding direction of the second slide, the second threaded rod is passed through and threadedly connected to the second slide, the second motor is fixedly connected to the first slide, and one end of the output shaft of the second motor is coaxially and fixedly connected to the second threaded rod.

[0018] By adopting the above technical solution, the second motor drives the second threaded rod to rotate, and the second slide is threadedly connected to the second threaded rod, so that the second slide moves along the axial direction of the second threaded rod.

[0019] Preferably, the third driving assembly includes a third threaded rod and a third motor, the third threaded rod is rotatably connected to the second slide along the sliding direction of the third slide, the third threaded rod is passed through and threadedly connected to the third slide, the third motor is fixedly connected to the second slide, and one end of the output shaft of the third motor is coaxially and fixedly connected to the third threaded rod.

[0020] By adopting the above technical solution, the third motor drives the third threaded rod to rotate, and the third threaded rod is threadedly connected to the third slide, so that the third slide moves along the axial direction of the third threaded rod.

[0021] The technical effects of this utility model are mainly reflected in the following aspects:

[0022] 1. The utility model is provided with two connecting columns and two sets of processing devices, and the tooth grooves on the gear are processed by the two sets of processing devices at the same time, so as to increase the processing efficiency of the gear teeth; and the positions and angles of the two connecting columns are adjusted at the same time by the adjustment mechanism, so as to reduce the possibility of inconsistent angles of the tool holders movably connected to the two connecting columns, thereby reducing the possibility of inconsistent angles of the tooth grooves on the gear, so as to improve the accuracy of the gear;

[0023] 2. The utility model rotates two connecting columns to connect to the turntable, starts the first large motor, and drives the driving gear to rotate. The driven gear rotates through the meshing connection between the driving gear and the driven gear, thereby rotating the turntable, so that the connecting column on the turntable moves around the three-jaw chuck;

[0024] 3. The utility model sets an angle adjustment component, and drives one of the connecting columns to rotate through a second large motor to adjust the angle direction of the tool holder on the connecting column. When the connecting column rotates, the second gear on the connecting column rotates together, and the first gear is meshed with the two gears at the same time, so that the two second gears rotate together at the same angle, thereby reducing the possibility of inconsistent angles of the tool holders movably connected to the two connecting columns, thereby reducing the possibility of inconsistent tooth angles on the gears, thereby improving the accuracy of the gears. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0026] Figure 2 It is a schematic diagram of the base structure of an embodiment of the present application.

[0027] Figure 3 It is a schematic diagram of the structure of the adjustment mechanism of the embodiment of the present application.

[0028] Figure 4 is along Figure 3 Enlarged view of point A in the middle.

[0029] Figure 5 It is a schematic diagram of the structure of the first driving member of an embodiment of the present application.

[0030] Explanation of the accompanying drawings: 1. base; 11. three-jaw chuck; 12. connecting column; 2. processing device; 21. tool holder; 22. driving mechanism; 221. first slide; 222. second slide; 223. third slide; 3. adjusting mechanism; 31. position adjustment component; 311. turntable; 312. driven gear; 313. driving gear; 314. first large motor; 32. angle adjustment component; 321. first gear; 322. second gear; 323. second large motor; 4. power component; 41. first driving component; 411. first threaded rod; 412. sleeve; 413. third gear; 414. fourth gear; 415. first motor; 42. second driving component; 421. second threaded rod; 422. second motor; 43. third driving component; 431. third threaded rod; 432. third motor; 5. controller. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-5 The present application is further described in detail to make the technical solution of the present application easier to understand and grasp.

[0032] The embodiment of the present application discloses a high-efficiency precision gear milling machine.

[0033] Reference Figure 1 and Figure 2 A high-efficiency precision gear milling machine of the present embodiment includes a machine base 1, on which a three-jaw chuck 11 for clamping a gear blank is fixedly connected, and an adjustment mechanism 3 and two sets of processing devices 2 are also arranged on the machine base 1. The processing device 2 is used for processing tooth grooves, and the processing device 2 includes a tool holder 21 and a driving mechanism 22 for installing a disc milling cutter. Two connecting columns 12 are slidably connected to the machine base 1 around the workbench, and the two connecting columns 12 are respectively connected to the machine base 1 in a vertical direction. The two tool holders 21 are respectively movably connected to the two connecting columns 12, and the two tool holders 21 are arranged opposite to each other. The driving mechanism 22 is used to drive the movement of the tool holder 21, and the adjustment mechanism 3 is used to simultaneously adjust the position and angle of the two connecting columns 12.

[0034] Reference Figure 1 and Figure 2 The tooth grooves on the gear are processed simultaneously by two sets of processing devices 2 to increase the processing efficiency of the gear teeth; and the positions and angles of the two connecting columns 12 are adjusted simultaneously by the adjustment mechanism 3 to reduce the possibility of inconsistent angles of the tool holder 21 movably connected to the two connecting columns 12, thereby reducing the possibility of inconsistent angles of the tooth grooves on the gear, thereby improving the accuracy of the gear.

[0035] Reference Figure 1-Figure 3The adjustment mechanism 3 includes a position adjustment component 31 and an angle adjustment component 32. The position adjustment component 31 is used to drive the sliding of the two connecting columns 12. The position adjustment component 31 includes a turntable 311 and a first large motor 314. The turntable 311 is connected to the base 1 in a vertical direction. A driven gear 312 is coaxially and fixedly connected to the turntable 311. A driving gear 313 is connected to the base 1 in a vertical direction. The driving gear 313 is meshed with the driven gear 312. The first large motor 314 is fixedly connected to the base 1. One end of the output shaft of the first large motor 314 is coaxially and fixedly connected to the driving gear 313. The two connecting columns 12 are respectively connected to the turntable 311 in a vertical direction. The angle adjustment component 32 is used to drive the rotation of the two adjustment columns at the same time. The first large motor 314 is started to drive the driving gear 313 to rotate, and the driven gear 312 is rotated through the meshing connection between the driving gear 313 and the driven gear 312, so that the turntable 311 rotates, so that the connecting column 12 on the turntable 311 moves around the three-jaw chuck 11.

[0036] Reference Figure 1-Figure 3 The angle adjustment assembly 32 includes a first gear 321 and a second large motor 323. The two connecting columns 12 are coaxially and fixedly connected with the second gears 322, respectively. The first gear 321 is rotatably connected to the driven gear 312 in the vertical direction. The first gear 321 is meshed and connected with the two second gears 322 at the same time. The second large motor 323 is fixedly connected to the driven gear 312. One end of the output shaft of the second large motor 323 is coaxially and fixedly connected to any connecting column 12. The second large motor 323 drives one of the connecting columns 12 to rotate to adjust the angle of the tool holder 21 on the connecting column 12. When the connecting column 12 rotates, the second gear 322 on the connecting column 12 rotates together. The first gear 321 is meshed and connected with the two gears at the same time, so that the two second gears 322 rotate together at the same angle, reducing the possibility of inconsistent angles of the tool holder 21 movably connected to the two connecting columns 12, thereby reducing the possibility of inconsistent tooth angles on the gears, so as to improve the accuracy of the gears.

[0037] Reference Figure 1-Figure 5The driving mechanism 22 includes a first slide 221, a second slide 222, a third slide 223 and a power assembly 4. The first slide 221 is fixedly connected to the connecting column 12, the second slide 222 is slidably connected to the first slide 221 in the vertical direction, the third slide 223 is slidably connected to the second slide 222 in the horizontal direction, and the tool holder 21 is slidably connected to the third slide 223 in a direction perpendicular to the sliding direction of the third slide 223. The power assembly 4 is used to drive the second slide 222, the third slide 223 and the tool holder 21 to slide. The second slide 222, the third slide 223 and the tool holder 21 are driven to slide by the power mechanism, so as to move the tool holder 21.

[0038] Reference Figure 1-Figure 5 The power assembly 4 includes a first drive assembly 41, a second drive assembly 42 and a third drive assembly 43 respectively. The first drive assembly 41 is used to drive the tool holder 21 to slide. The first drive assembly 41 includes a first threaded rod 411, a sleeve 412 and a first motor 415. The first threaded rod 411 is fixedly connected to the tool holder 21. The first threaded rod 411 is penetrated and threadedly connected to the sleeve 412. The sleeve 412 is rotatably connected to the third slide 223 along the sliding direction of the tool holder 21. The sleeve 412 is coaxially and fixedly connected with a third gear 413. The first motor 415 is fixedly connected to the third slide 223. One end of the output shaft of the first motor 415 is coaxially and fixedly connected with a fourth gear 414. The fourth gear 414 is meshed with the third gear 413. The fourth gear 414 is driven to rotate by the first motor 415, so that the third gear 413 meshing with the fourth gear 414 rotates, thereby rotating the sleeve 412, and the first threaded rod 411 is threadedly connected to the sleeve 412, so that the first threaded rod 411 slides along the axial direction of the sleeve 412, thereby sliding the tool holder 21.

[0039] Reference Figure 1-Figure 5 The second driving assembly 42 is used to drive the sliding of the second slide 222. The second driving assembly 42 includes two second threaded rods 421 and two second motors 422. The two second threaded rods 421 are respectively connected to the two sides of the length direction of the first slide 221 in a rotational manner along the sliding direction of the second slide 222. The two second threaded rods 421 are respectively penetrated and threadedly connected to the two ends of the length direction of the second slide 222. The two second motors 422 are respectively fixedly connected to the two sides of the length direction of the first slide 221. One end of the output shaft of the two second motors 422 is respectively coaxially and fixedly connected to the two second threaded rods 421. The second slide 222 is moved along the axial direction of the second threaded rod 421 by driving the rotation of the second machine and by threading the second threaded rod 421 with the second slide 222.

[0040] Reference Figure 1-Figure 5The third driving assembly 43 is used to drive the sliding of the third slide 223. The third driving assembly 43 includes a third threaded rod 431 and a third motor 432. The third threaded rod 431 is rotatably connected to the second slide 222 along the sliding direction of the third slide 223. The third threaded rod 431 is penetrated and threadedly connected to the third slide 223. The third motor 432 is fixedly connected to the second slide 222. One end of the output shaft of the third motor 432 is coaxially and fixedly connected to the third threaded rod 431. The third threaded rod 431 is driven to rotate by the third motor 432, and the third slide 223 is threadedly connected to the third threaded rod 431, so that the third slide 223 moves along the axis direction of the third threaded rod 431.

[0041] Reference Figure 1 , and also includes a controller 5, which is fixedly connected to the base 1 and is used to control the start, stop and operation of each motor.

[0042] Of course, the above are only typical examples of the present application. In addition, the present application may have many other specific implementation methods. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present application.

Claims

1. A high-efficiency precision gear milling machine, characterized in that: The invention comprises a machine base (1), wherein a three-jaw chuck (11) is provided on the machine base (1), and an adjustment mechanism (3) and two sets of processing devices (2) are also provided on the machine base (1). The processing device (2) is used for processing tooth grooves, and the processing device (2) comprises a tool holder (21) for mounting a disc-type milling cutter and a driving mechanism (22). Two connecting columns (12) are slidably connected to the machine base (1) around a workbench, and the two connecting columns (12) are respectively rotatably connected to the machine base (1) in a vertical direction, and the two tool holders (21) are respectively movably connected to the two connecting columns (12). The two tool holders (21) are arranged opposite to each other, and the driving mechanism (22) is used for driving the movement of the tool holder (21). The adjustment mechanism (3) is used for simultaneously adjusting the position and angle of the two connecting columns (12).

2. The high-efficiency precision gear milling machine according to claim 1, characterized in that: The adjustment mechanism (3) comprises a position adjustment component (31) and an angle adjustment component (32). The position adjustment component (31) is used to drive the two connecting columns (12) to slide. The position adjustment component (31) comprises a rotating disk (311) and a first large motor (314). The rotating disk (311) is connected to the machine base (1) in a vertical direction. A driven gear (312) is coaxially and fixedly connected to the rotating disk (311). A driving gear (313) is connected to the machine base (1) in a vertical direction. The driving gear (313) meshes with the driven gear (312). The first large motor (314) is fixedly connected to the machine base (1). One end of the output shaft of the first large motor (314) is coaxially and fixedly connected to the driving gear (313). The two connecting columns (12) are respectively connected to the rotating disk (311) in a vertical direction. The angle adjustment component (32) is used to simultaneously drive the rotation of the two adjustment columns.

3. The high-efficiency precision gear milling machine according to claim 2, characterized in that: The angle adjustment assembly (32) comprises a first gear (321) and a second large motor (323); the second gears (322) are coaxially and fixedly connected to the two connecting columns (12); the first gear (321) is rotatably connected to the driven gear (312) in the vertical direction; the first gear (321) is meshed with the two second gears (322) at the same time; the second large motor (323) is fixedly connected to the driven gear (312); and one end of the output shaft of the second large motor (323) is coaxially and fixedly connected to any one of the connecting columns (12).

4. The high-efficiency precision gear milling machine according to claim 1, characterized in that: The driving mechanism (22) comprises a first slide (221), a second slide (222), a third slide (223) and a power assembly (4); the first slide (221) is fixedly connected to the connecting column (12); the second slide (222) is slidably connected to the first slide (221) in a vertical sliding direction; the third slide (223) is slidably connected to the second slide (222) in a horizontal direction; the tool holder (21) is slidably connected to the third slide (223) in a sliding direction perpendicular to the third slide (223); and the power assembly (4) is used to respectively drive the second slide (222), the third slide (223) and the tool holder (21) to slide.

5. The high-efficiency precision gear milling machine according to claim 4, characterized in that: The power assembly (4) comprises a first drive assembly (41), a second drive assembly (42) and a third drive assembly (43), the first drive assembly (41) being used to drive the tool holder (21) to slide, the first drive assembly (41) comprising a first threaded rod (411), a sleeve (412) and a first motor (415), the first threaded rod (411) being fixedly connected to the tool holder (21), the first threaded rod (411) being passed through and threadedly connected to the sleeve (412), the sleeve (412) being arranged along the sliding direction of the tool holder (21) The first motor (415) is fixedly connected to the third slide (223); one end of the output shaft of the first motor (415) is coaxially and fixedly connected to a fourth gear (414); the fourth gear (414) is meshingly connected to the third gear (413); the second drive assembly (42) is used to drive the second slide (222) to slide; and the third drive assembly (43) is used to drive the third slide (223) to slide.

6. The high-efficiency precision gear milling machine according to claim 5, characterized in that: The second driving assembly (42) comprises a second threaded rod (421) and a second motor (422); the second threaded rod (421) is rotatably connected to the first slide (221) along the sliding direction of the second slide (222); the second threaded rod (421) is passed through and threadedly connected to the second slide (222); the second motor (422) is fixedly connected to the first slide (221); and one end of the output shaft of the second motor (422) is coaxially and fixedly connected to the second threaded rod (421).

7. The high-efficiency precision gear milling machine according to claim 5, characterized in that: The third driving assembly (43) comprises a third threaded rod (431) and a third motor (432); the third threaded rod (431) is rotatably connected to the second slide (222) along the sliding direction of the third slide (223); the third threaded rod (431) is passed through and threadedly connected to the third slide (223); the third motor (432) is fixedly connected to the second slide (222); and one end of the output shaft of the third motor (432) is coaxially and fixedly connected to the third threaded rod (431).

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