Adjustable gear machining device

Abstract

The utility model provides an adjustable gear processing device, including a base; a clamping mechanism, which is rotatably arranged on the base and has a clamping space for placing a gear blank, and the clamping mechanism is used to clamp the gear blank in the clamping space; a driving mechanism, which is arranged on the base and is connected to the clamping mechanism by power, and is used to drive the clamping mechanism to rotate; a processing mechanism, which is fixed on the base and has a plurality of milling parts that can be lifted and moved, each milling part is arranged at annular intervals around the axis of the gear blank, and the processing mechanism is used to drive each milling part to lift and move, so as to mill the inner tooth surface of the gear ring driven by the clamping mechanism. The adjustable gear processing device provided by the utility model is provided with a base, and the clamping mechanism is rotatably arranged on the base, and the gear blank can be horizontally clamped through the clamping space; the processing mechanism is arranged on the base, and the inner tooth surface of the gear ring driven by the clamping mechanism can be milled through a plurality of milling parts that can be lifted and moved.

Description

Technical Field

[0001] The utility model belongs to the field of gear processing technology, and in particular relates to an adjustable gear processing device. Background Art

[0002] Gear machining is an important step in the gear manufacturing process, which affects the quality and performance of the final gear. There are many different gear machining methods. Choosing the most suitable machining technology according to different needs and conditions can significantly improve the accuracy and performance of the gear. Forming and generating are two widely used machining technologies. Gear milling belongs to forming machining. Gear ring, also known as gear ring. It usually consists of an annular metal block (gear blank) with gear teeth machined on the inside or outside.

[0003] In the prior art, in the process of milling long gears, disc milling cutters or finger milling cutters are usually used to cut the inner teeth of gears. However, disc milling cutters can only process gears of a single size and have low adaptability. Finger milling cutters can process gears of different sizes, but finger milling cutters need to process each tooth in turn during gear processing, resulting in low processing efficiency and poor practicality. Utility Model Content

[0004] The embodiment of the utility model provides an adjustable gear processing device, aiming to solve the problems of poor adaptability and poor practicality of existing forming method gear processing.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide an adjustable gear processing device, comprising:

[0006] Pedestal;

[0007] A clamping mechanism is rotatably arranged on the base and has a clamping space for horizontally placing the gear blank, and the clamping mechanism is used to clamp the gear blank in the clamping space;

[0008] A driving mechanism, disposed on the base, and connected to the clamping mechanism by power, for driving the clamping mechanism to rotate;

[0009] The processing mechanism is fixed on the base and has a plurality of milling parts that can be raised and lowered. The milling parts are arranged in a ring-shaped interval around the axis of the gear blank. The processing mechanism is used to drive the milling parts to rise and fall so as to mill the inner tooth surface of the gear ring driven by the clamping mechanism.

[0010] In a possible implementation, the base includes:

[0011] Base, horizontal setting;

[0012] The annular seat is arranged on the base, and the annular seat has a cylindrical cavity with an open top.

[0013] In a possible implementation, the clamping mechanism includes:

[0014] An annular rotating seat is coaxially arranged with the annular seat, the annular rotating seat is rotatably connected with the annular seat, a plurality of adjustment slide rails are arranged at annular intervals along the axis direction of the annular rotating seat, and each of the adjustment slide rails is arranged radially along the annular rotating seat;

[0015] There are multiple clamping units, and the multiple clamping units are arranged in a one-to-one correspondence with the multiple adjustment slide rails. Each clamping unit is slidably arranged in the corresponding adjustment slide rail to clamp the edge of the gear blank.

[0016] In a possible implementation, each of the clamping units includes:

[0017] A slide seat, slidably disposed in the corresponding adjusting slide rail, the slide seat having a horizontal section and a vertical section, the horizontal section being used to receive the edge of the gear blank, and the vertical section being used to abut against the outer wall of the gear blank;

[0018] A clamping plate is arranged above the slide seat at intervals and abuts against the top end of the edge of the gear blank;

[0019] A clamping bolt, which passes through the clamping plate and is threadedly connected to the vertical section of the slide seat, and is used to enable the clamping plate and the slide seat to clamp the edge of the gear blank;

[0020] Wherein, the clamping plate is provided with a through hole for the clamping bolt to pass through, and the vertical section of the sliding seat is provided with a threaded hole for the clamping bolt to be threadedly connected.

[0021] In a possible implementation, the processing mechanism includes:

[0022] A telescopic structure is coaxially arranged with the axis of the gear blank, a fixed end of the telescopic structure is fixed on the base, and the telescopic end of the telescopic structure extends in a vertical direction;

[0023] The processing structure is fixed on the extended end of the telescopic structure, and the plurality of milling tooth parts are arranged on the processing structure at annular intervals around the axis of the gear blank, and are used to process the gear blank in the clamping space.

[0024] In a possible implementation, the processing structure includes:

[0025] A connecting disk is fixedly mounted on the extended end of the telescopic structure, and a plurality of adjusting tracks are arranged at intervals along the axis direction of the barrel cavity at the top of the connecting disk, and each of the adjusting tracks is arranged radially along the connecting disk;

[0026] There are multiple processing cantilevers, and the multiple processing cantilevers are arranged in one-to-one correspondence with the multiple adjustment tracks. One end of each processing cantilever is slidably arranged in the corresponding adjustment track, and the other end of each processing cantilever extends radially along the connecting plate, so as to process the inner wall of the gear blank;

[0027] An adjusting disk is rotatably arranged on the connecting disk, and a spiral groove is arranged on the adjusting disk, and the spiral groove is engaged with each of the processing cantilevers to make the multiple processing cantilevers extend or retract synchronously;

[0028] A driving motor, used for driving the adjusting disk to rotate, so as to drive the processing cantilevers to move synchronously;

[0029] Wherein, each of the processing cantilevers is provided with an engagement groove that engages with the spiral groove.

[0030] In a possible implementation, the extended end of each machining cantilever is provided with a finger-shaped milling cutter detachably connected to the machining cantilever, and the finger-shaped milling cutter is the milling tooth portion.

[0031] In a possible implementation, the driving mechanism includes:

[0032] A driving gear meshing with the outer wall of the annular rotating seat;

[0033] A stepper motor, wherein the power output end of the stepper motor is connected to the driving gear for driving the driving gear to rotate;

[0034] Wherein, a driven tooth meshing with the driving gear is provided on the outer wall of the annular rotating seat.

[0035] In this implementation, compared with the prior art, a base is provided, and a clamping mechanism is rotatably provided on the base, so that the gear blank can be horizontally clamped through the clamping space; a processing mechanism is provided on the base, and the inner tooth surface of the gear ring driven by the clamping mechanism can be milled through a plurality of milling parts that can be raised and lowered; the adaptability is good and the processing efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 A schematic diagram of the internal structure of the adjustable gear processing device provided in the embodiment of the utility model from the front view;

[0037] Figure 2 A schematic diagram of the internal structure of an adjustable gear processing device provided in an embodiment of the utility model from a top view;

[0038] Figure 3 A schematic diagram of the structure of an adjustable gear processing device adjustment disk provided in an embodiment of the utility model;

[0039] Description of reference numerals:

[0040] 10. Base; 11. Base; 12. Annular seat; 121. Cylinder cavity; 20. Clamping mechanism; 21. Annular rotating seat; 22. Clamping unit; 221. Sliding seat; 222. Clamping plate; 223. Clamping bolt; 30. Driving mechanism; 31. Driving gear; 32. Stepping motor; 40. Processing mechanism; 41. Telescopic structure; 42. Processing structure; 421. Connecting disk; 422. Processing cantilever; 423. Adjusting disk; 4231. Spiral groove; 424. Driving motor. DETAILED DESCRIPTION

[0041] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0042] Please also read Figures 1 to 3 Now, the adjustable gear processing device provided by the utility model is described. The adjustable gear processing device includes a base 10, a clamping mechanism 20, a driving mechanism 30 and a processing mechanism 40.

[0043] Base 10.

[0044] The clamping mechanism 20 is rotatably disposed on the base 10 and has a clamping space for horizontally placing the gear blank. The clamping mechanism 20 is used to clamp the gear blank in the clamping space.

[0045] The driving mechanism 30 is disposed on the base 10 and is connected to the clamping mechanism 20 by power so as to drive the clamping mechanism 20 to rotate.

[0046] The processing mechanism 40 is fixed on the base 10 and has a plurality of milling parts that can be raised and lowered. The milling parts are arranged in a ring-shaped interval around the axis of the gear blank. The processing mechanism 40 is used to drive the milling parts to rise and fall so as to mill the inner tooth surface of the gear ring driven by the clamping mechanism 20.

[0047] Compared with the prior art, the adjustable gear processing device provided in this embodiment is provided with a base 10, on which a clamping mechanism 20 is rotatably provided, and the gear blank can be horizontally clamped through a clamping space. A processing mechanism 40 is provided on the base 10, and the inner tooth surface of the gear ring driven by the clamping mechanism 20 can be milled through a plurality of milling parts that can be lifted and moved. The adaptability is good and the processing efficiency is high.

[0048] In some embodiments, the base 10 may be Figure 1 , Figure 2 See the structure shown. Figure 1 , Figure 2 The base 10 comprises: a base 11 arranged horizontally. An annular seat 12 is arranged on the base 11, and the annular seat 12 has a cylindrical cavity 121 with an open top.

[0049] The base 11 can be understood as a horizontal disc, the annular seat 12 can be understood as an annular fixing block fixed on the base 11 , and the inner cavity of the annular seat 12 is a cylindrical cavity 121 .

[0050] In some embodiments, the clamping mechanism 20 may be configured as follows: Figure 1 , Figure 2 See the structure shown. Figure 1 , Figure 2 The clamping mechanism 20 includes: an annular rotating seat 21 and a clamping unit 22. The annular rotating seat 21 is coaxially arranged with the annular seat 12, and the annular rotating seat 21 is rotatably connected with the annular seat 12. A plurality of adjustment rails are arranged at intervals along the axis direction of the annular rotating seat 21, and each adjustment rail is arranged radially along the annular rotating seat 21. A plurality of clamping units 22 are provided, and the plurality of clamping units 22 are arranged one-to-one with the plurality of adjustment rails. Each clamping unit 22 is slidably arranged in the corresponding adjustment rail to clamp the edge of the gear blank.

[0051] The annular rotating seat 21 can be rotatably set at the top of the annular seat 12, and can be slidably connected to each clamping unit 22 through multiple adjustment slide rails at the top of the annular rotating seat 21. Each clamping unit 22 can slide radially along the annular rotating seat 21 to clamp the edge of the gear blank.

[0052] In some embodiments, the clamping unit 22 may be configured as follows: Figure 1 , Figure 2 See the structure shown. Figure 1 , Figure 2 Each clamping unit 22 includes: a slide 221, a clamping plate 222 and a clamping bolt 223. The slide 221 is slidably arranged in the corresponding adjustment slide rail. The slide 221 has a horizontal section and a vertical section. The horizontal section is used to receive the edge of the gear blank, and the vertical section is used to abut the outer wall of the gear blank. The clamping plate 222 is arranged above the slide 221 at intervals and abuts against the top of the edge of the gear blank. The clamping bolt 223 passes through the clamping plate 222 and is threadedly connected to the vertical section of the slide 221, so as to enable the clamping plate 222 and the slide 221 to clamp the edge of the gear blank.

[0053] The clamping plate 222 is provided with a through hole for the clamping bolt 223 to pass through, and the vertical section of the sliding seat 221 is provided with a threaded hole for the clamping bolt 223 to be threadedly connected.

[0054] The slide seat 221 can be understood as a moving block slidably disposed in the corresponding adjustment slide rail, and can be used together with the clamping plate 222 and the clamping bolt 223 to clamp the edge of the gear blank.

[0055] In some embodiments, the processing mechanism 40 may be implemented as follows: Figure 1 , Figure 2 See the structure shown. Figure 1 , Figure 2 The processing mechanism 40 includes: a telescopic structure 41 and a processing structure 42. The telescopic structure 41 is coaxially arranged with the axis of the gear blank, the fixed end of the telescopic structure 41 is fixed on the base 10, and the telescopic end of the telescopic structure 41 extends in the vertical direction. The processing structure 42 is fixed on the extended end of the telescopic structure 41, and a plurality of milling teeth are arranged on the processing structure 42 in an annular manner around the axis of the gear blank, and are used to process the gear blank in the clamping space.

[0056] The telescopic structure 41 can enable the processing structure 42 to move in the vertical direction, and the processing structure 42 can process the inner ring of the gear blank in the clamping space through the multiple milling parts arranged thereon.

[0057] In some embodiments, the processing structure 42 can be used as follows: Figures 1 to 3 See the structure shown. Figures 1 to 3 The processing structure 42 includes: a connecting disk 421, a processing cantilever 422, an adjustment disk 423 and a driving motor 424. The connecting disk 421 is fixed on the extended end of the telescopic structure 41, and a plurality of adjustment tracks are arranged at intervals along the axial direction of the barrel cavity 121 at the top of the connecting disk 421, and each adjustment track is arranged radially along the connecting disk 421. There are multiple processing cantilever 422, and the multiple processing cantilever 422 is arranged one by one corresponding to the multiple adjustment tracks. One end of each processing cantilever 422 is slidably arranged in the corresponding adjustment track, and the other end of each processing cantilever 422 is extended radially along the connecting disk 421, which is used to process the inner wall of the gear blank. The adjusting disk 423 is rotatably arranged on the connecting disk 421, and a spiral groove 4231 is arranged on the adjusting disk 423, and the spiral groove 4231 is engaged with each processing cantilever 422, which is used to make the multiple processing cantilever 422 extend or retract synchronously. The driving motor 424 is used to drive the adjusting disk 423 to rotate, so as to drive each processing cantilever 422 to move synchronously.

[0058] Each processing cantilever 422 is provided with an engagement groove that engages with the spiral groove 4231 .

[0059] The connecting disk 421 can be understood as a fixed disk fixed on the extended end of the telescopic structure 41. The multiple adjustment tracks on the top of the connecting disk 421 can allow multiple processing cantilevers 422 to synchronously slide along the radial direction of the connecting disk 421, and the processing cantilevers 422 can process the inner wall of the gear blank. The adjustment disk 423 can make the multiple processing cantilevers 422 extend or retract synchronously. The driving motor 424 can rotate the adjustment disk 423 to drive each processing cantilever 422 to move synchronously.

[0060] The connecting disk 421, the processing cantilever 422 and the adjusting disk 423 can be understood as a chuck structure, and the processing cantilever 422 is driven to extend or retract synchronously through the spiral groove 4231 on the adjusting disk 423 and the meshing groove on each processing cantilever.

[0061] In some embodiments, the processing cantilever 422 may be implemented as follows: Figure 1 , Figure 2 See the structure shown. Figure 1 , Figure 2 The extended end of each processing cantilever 422 is provided with a finger-shaped milling cutter detachably connected to the processing cantilever 422, and the finger-shaped milling cutter is a milling tooth portion.

[0062] The finger milling cutter is a special rotary tool for machining gears. The finger milling cutter is a prior art and will not be described in detail here.

[0063] In some embodiments, the driving mechanism 30 may be configured as follows: Figure 1 , Figure 2 See the structure shown. Figure 1 , Figure 2 The driving mechanism 30 includes a driving gear 31 and a stepping motor 32. The driving gear 31 is meshed with the outer wall of the annular rotating seat 21. The power output end of the stepping motor 32 is connected to the driving gear 31 for driving the driving gear 31 to rotate.

[0064] The outer wall of the annular rotating seat 21 is provided with driven teeth meshing with the driving gear 31 .

[0065] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable gear processing device, characterized in that: include: Pedestal; A clamping mechanism is rotatably arranged on the base and has a clamping space for horizontally placing the gear blank, and the clamping mechanism is used to clamp the gear blank in the clamping space; A driving mechanism, disposed on the base, and connected to the clamping mechanism by power, for driving the clamping mechanism to rotate; The processing mechanism is fixed on the base and has a plurality of milling parts that can be raised and lowered. The milling parts are arranged in a ring-shaped interval around the axis of the gear blank. The processing mechanism is used to drive the milling parts to rise and fall so as to mill the inner tooth surface of the gear ring driven by the clamping mechanism.

2. The adjustable gear processing device according to claim 1, characterized in that: The base comprises: Base, horizontal setting; The annular seat is arranged on the base, and the annular seat has a cylindrical cavity with an open top.

3. The adjustable gear processing device according to claim 2, characterized in that: The clamping mechanism comprises: An annular rotating seat is coaxially arranged with the annular seat, the annular rotating seat is rotatably connected with the annular seat, a plurality of adjustment slide rails are arranged at annular intervals along the axis direction of the annular rotating seat, and each of the adjustment slide rails is arranged radially along the annular rotating seat; There are multiple clamping units, and the multiple clamping units are arranged in a one-to-one correspondence with the multiple adjustment slide rails. Each clamping unit is slidably arranged in the corresponding adjustment slide rail to clamp the edge of the gear blank.

4. The adjustable gear processing device according to claim 3, characterized in that: Each of the clamping units comprises: A slide seat, slidably disposed in the corresponding adjusting slide rail, the slide seat having a horizontal section and a vertical section, the horizontal section being used to receive the edge of the gear blank, and the vertical section being used to abut against the outer wall of the gear blank; A clamping plate is arranged above the slide seat at intervals and abuts against the top end of the edge of the gear blank; A clamping bolt, which passes through the clamping plate and is threadedly connected to the vertical section of the slide seat, and is used to enable the clamping plate and the slide seat to clamp the edge of the gear blank; Wherein, the clamping plate is provided with a through hole for the clamping bolt to pass through, and the vertical section of the sliding seat is provided with a threaded hole for the clamping bolt to be threadedly connected.

5. The adjustable gear processing device according to claim 2, characterized in that: The processing mechanism comprises: A telescopic structure is coaxially arranged with the axis of the gear blank, a fixed end of the telescopic structure is fixed on the base, and the telescopic end of the telescopic structure extends in a vertical direction; The processing structure is fixed on the extended end of the telescopic structure, and the plurality of milling tooth parts are arranged on the processing structure at annular intervals around the axis of the gear blank, and are used to process the gear blank in the clamping space.

6. The adjustable gear processing device according to claim 5, characterized in that: The processing structure comprises: A connecting disk is fixedly mounted on the extended end of the telescopic structure, and a plurality of adjusting tracks are arranged at intervals along the axis direction of the barrel cavity at the top of the connecting disk, and each of the adjusting tracks is arranged radially along the connecting disk; There are multiple processing cantilevers, and the multiple processing cantilevers are arranged in one-to-one correspondence with the multiple adjustment tracks. One end of each processing cantilever is slidably arranged in the corresponding adjustment track, and the other end of each processing cantilever extends radially along the connecting plate, so as to process the inner wall of the gear blank; An adjusting disk is rotatably arranged on the connecting disk, and a spiral groove is arranged on the adjusting disk, and the spiral groove is engaged with each of the processing cantilevers to make the multiple processing cantilevers extend or retract synchronously; A driving motor, used for driving the adjusting disk to rotate, so as to drive the processing cantilevers to move synchronously; Wherein, each of the processing cantilevers is provided with an engagement groove that engages with the spiral groove.

7. The adjustable gear machining device according to claim 6, characterized in that: The extended end of each processing cantilever is provided with a finger-shaped milling cutter detachably connected to the processing cantilever, and the finger-shaped milling cutter is the milling tooth part.

8. The adjustable gear machining device according to claim 3, characterized in that: The driving mechanism comprises: A driving gear meshing with the outer wall of the annular rotating seat; A stepper motor, wherein the power output end of the stepper motor is connected to the driving gear for driving the driving gear to rotate; Wherein, a driven tooth meshing with the driving gear is provided on the outer wall of the annular rotating seat.

Images