Gear positioning device in gear processing machine

Abstract

The invention discloses a gear positioning device in a gear processing machine, and belongs to the technical field of gear processing, the gear positioning device in the gear processing machine comprises a bottom plate, the top of the bottom plate is fixedly connected with a check ring, and the top of the bottom plate is provided with a liquid discharge mechanism; a positioning and clamping mechanism is installed in the center of the top of the bottom plate and located in the check ring, and a rotating mechanism is installed at the front end of the bottom of the bottom plate. And a first gear is arranged on the positioning and clamping mechanism. By designing the positioning and clamping mechanism, gear blanks of different specifications can be positioned, inner rings or outer walls of the gear blanks can be positioned and clamped, so that outer gears or inner gears are machined, functionality is high, meanwhile, the machined outer gears can be positioned, key grooves can be conveniently formed in the outer gears, and machining efficiency is improved. And the machined outer gear does not need to be placed in other positioning mechanisms for positioning, so that the machining efficiency is greatly improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of gear processing, and particularly relates to a gear positioning device in a gear processing machine. Background Art

[0002] Gears are common components in mechanical transmissions, having a set of evenly arranged teeth for meshing with other gears to achieve power transmission, motion conversion, or speed transformation. Gears are divided into internal gears and external gears and are made of metal. In the rough machining stage of gears, the main parts such as the outer shape and gear hole of the gear need to be machined first. Usually, a gear processing machine is used. When machining an external gear, usually the teeth are cut first and then the keyway is cut. When cutting the teeth, the inner ring of the gear blank is clamped by a fixture, and the gear processing machine cuts the tooth profile of the outer ring of the gear blank. When cutting the keyway, the external teeth of the gear are positioned and clamped by a fixture, and the gear processing machine cuts the keyway for the gear.

[0003] When manufacturing and processing gears at present, usually, the gear is first positioned and fixed by the positioning device on the gear processing machine and then processed. However, gears are divided into external gears and internal gears. When manufacturing and processing an external gear, the existing positioning device on the gear processing machine can only position and fix the inner ring of the gear blank so that the gear processing machine can cut the tooth profile of the outer ring of the gear blank. When a keyway needs to be cut for the external gear, the existing positioning device is not accurate enough in positioning and fixing the external teeth of the external gear, resulting in large machining errors; and the existing positioning device has low functionality and cannot position and clamp external gears and internal gears of different specifications, resulting in low processing efficiency. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the above-mentioned disadvantages of the prior art and provide a gear positioning device in a gear processing machine.

[0005] The technical solution adopted to solve the above technical problem is: A gear positioning device in a gear processing machine includes a bottom plate. A retaining ring is fixedly connected to the top of the bottom plate, and a liquid drainage mechanism is installed on the top of the bottom plate; A positioning and clamping mechanism is installed at the center of the top of the bottom plate and inside the retaining ring, and a rotating mechanism is installed at the front end of the bottom of the bottom plate; A first gear is provided on the positioning and clamping mechanism.

[0006] A bearing is fixedly installed at the center of the bottom plate, and a liquid drainage hole is opened at the bottom of the bottom plate and inside the retaining ring.

[0007] Through the above technical solution, it is convenient to drain the coolant and prevent the coolant from accumulating.

[0008] Further, the liquid drainage mechanism includes a fixing frame fixedly connected to the bottom of the bottom plate. A liquid drainage funnel is fixedly connected to the center of the fixing frame. A plurality of liquid outlet pipes are fixedly connected to the outer wall of the liquid drainage funnel. A liquid drainage pipe is fixedly connected to the center of the bottom of the liquid drainage funnel.

[0009] Through the above technical solution, when machining the gear blank or the first gear, the coolant used in the machining drops into the retaining ring, flows into the liquid drainage funnel through a plurality of liquid outlet pipes, and is finally discharged outwards through the liquid drainage pipe, preventing the coolant from accumulating and affecting the machining.

[0010] Further, the tops of the plurality of liquid outlet pipes are aligned with the corresponding liquid drainage holes.

[0011] Through the above technical solution, the coolant on the top of the bottom plate is conveyed to the corresponding liquid outlet pipes through a plurality of liquid drainage holes, and the coolant can be quickly discharged.

[0012] Further, the positioning and clamping mechanism includes a chassis arranged at the center of the top of the bottom plate. A connecting pipe is fixedly connected to the center of the bottom of the chassis. A disk body is fixedly installed on the top of the chassis. A plurality of first chutes are formed in the top of the disk body. An annular groove is formed in the center of the disk body. A spiral disk is arranged inside the disk body. A plurality of bevel gears are meshed with the spiral disk. A positioning block is slidably connected in each of the plurality of first chutes. A top disk is fixedly installed on the top of the disk body. A second chute is formed in the top of each of the plurality of positioning blocks. A lead screw is rotatably installed in each of the plurality of positioning blocks. An adjusting head is fixedly connected to the outer end of each of the plurality of lead screws. A nut seat is installed on each of the plurality of lead screws. A connecting seat is fixedly connected to the top of each of the plurality of nut seats. A bellows protective cover is installed at the top end of each of the plurality of second chutes to prevent dust from entering the second chute. A first chuck is fixedly installed at the outer end of the top of each of the plurality of connecting seats. A second chuck is fixedly installed at the inner end of the top of each of the plurality of connecting seats. A fixing seat is fixedly connected to the top of each of the plurality of second chucks. A threaded rod is threadedly connected to each of the plurality of fixing seats. A clamping plate is fixedly connected to the bottom end of each of the plurality of threaded rods.

[0013] Through the above technical solution, when the first gear shape needs to be processed, the tooth shape is cut on the outer wall of the gear blank. First, adjust the positions of multiple connecting seats to ensure that multiple first chucks can tightly hold the inner ring of the gear blank. Rotate multiple adjusting heads respectively, so that the rotation of the adjusting heads drives the screw rods connected thereto to rotate, thereby driving the corresponding nut seats to move, and then adjusting the multiple connecting seats to the specified positions. Place the gear blank on the tops of the multiple connecting seats, and rotate one of the adjusting shafts, thereby rotating the bevel gear connected thereto, so that the rotation of the bevel gear drives the engaged spiral disk to rotate, so that the spiral disk drives multiple positioning blocks to move outward, thereby driving the corresponding first chucks to move outward, so that the multiple first chucks tightly hold the inner ring of the gear blank outward, realizing the positioning and clamping of the gear blank, and the gear processing machine can cut the outer wall of the gear blank to process it into the first gear shape; when the second gear shape needs to be processed, a keyway is opened on the first gear. First, adjust the positions of multiple connecting seats to ensure that the second chucks on the multiple connecting seats can clamp the first gear. Rotate one of the adjusting shafts to move multiple positioning blocks outward to the specified positions. Then, rotate multiple adjusting heads respectively according to the same principle to adjust the multiple connecting seats to the specified positions. Then, place the processed first gear on the tops of the multiple connecting seats, and rotate one of the adjusting shafts according to the same principle to make multiple positioning blocks move inward, so that multiple second chucks are in contact with the external teeth of the first gear, realizing positioning and clamping. Since the external teeth of the first gear are irregularly shaped, multiple second chucks cannot well contact the external teeth of the first gear, resulting in uneven clamping force. Therefore, rotate multiple threaded rods to drive the corresponding clamping plates to be in contact with the top of the first gear, further clamping and fixing the first gear, and the gear processing machine can process the inner ring of the first gear to process it into the second gear shape; when the internal gear needs to be processed, the tooth shape is cut on the inner wall of the gear blank. According to the same principle, first adjust the positions of multiple connecting seats to ensure that multiple second chucks can clamp the outer wall of the gear blank. At this time, place the gear blank on the multiple connecting seats, and rotate one of the adjusting shafts according to the same principle to make multiple positioning blocks move inward, so that multiple second chucks are in contact with the outer wall of the gear blank, realizing positioning and clamping. Then, rotate multiple threaded rods according to the same principle to further fix the gear blank through multiple clamping plates. Finally, process the gear blank into the internal gear shape through the gear processing machine. This mechanism can position gear blanks of different specifications and can perform positioning and clamping on the inner ring or outer wall of the gear blank, so as to process it into the first gear or internal gear, with strong functionality. At the same time, it can position the processed first gear, thus facilitating the opening of the keyway on it, without putting the processed first gear into other positioning mechanisms for positioning, greatly improving the processing efficiency.

[0014] Further, the top end of the outer wall of the connecting pipe is fixedly connected to the inner wall of the bearing, and the connecting pipe is inserted into the liquid drainage funnel.

[0015] Through the above technical solution, when a keyway is opened on the first gear, the coolant flowing during transportation flows towards the connecting pipe and then through the connecting pipe towards the liquid discharge funnel.

[0016] Furthermore, a regulating shaft is fixedly connected to the center of each of the plurality of bevel gears, and each of the plurality of regulating shafts is rotatably connected to the disc body.

[0017] Through the above technical solution, when adjusting the positions of the plurality of positioning blocks, the operator rotates one of the regulating shafts with a square wrench, thereby driving the bevel gear connected thereto to rotate, thereby driving the spiral disc to rotate, so that the spiral disc drives the plurality of positioning blocks to move.

[0018] Furthermore, a helical gear ring is provided at the bottom of the spiral disc, the spiral disc is slidably connected to the annular groove, an arc gear is fixedly connected to the bottom of each of the plurality of positioning blocks, and each of the plurality of positioning blocks is meshed with the helical gear ring through the corresponding arc gear, and a scale is provided at the top of each of the plurality of positioning blocks.

[0019] Through the above technical solution, when the spiral disc rotates, it slides in the annular groove to achieve a limiting effect and improve the rotational stability of the spiral disc.

[0020] Furthermore, a notch is opened on one side of the outer wall of each of the plurality of connecting seats, and a pointer is fixedly connected to each of the plurality of connecting seats at the position corresponding to the notch.

[0021] Through the above technical solution, with the scale and the pointer, the operator can accurately adjust the plurality of connecting seats to a specified position according to the size of the gear blank, ensuring that the first chuck and the second chuck can clamp the inner ring or the outer wall of the gear blank, greatly improving the accuracy of the positioning device.

[0022] Furthermore, the rotating mechanism includes a driving gear ring fixedly connected to the center of the outer wall of the connecting pipe, an installation frame is fixedly connected to the front end of the bottom of the base plate, a motor is fixedly installed at the bottom of the installation frame, a driving gear is fixedly connected to the outer wall of the output shaft of the motor, and the driving gear is meshed with the driving gear ring.

[0023] Through the above technical solution, when the positioning and clamping mechanism needs to rotate, the motor is started, so that the motor drives the driving gear to rotate through the rotation of the output shaft, so that the driving gear drives the driving gear ring to rotate, thereby driving the connecting pipe to rotate, thereby driving the entire positioning and clamping mechanism to rotate, and further driving the gear blank to rotate, facilitating the processing of the positioned and clamped gear blank.

[0024] The beneficial effects of the present invention are as follows: (1) By designing a positioning and clamping mechanism, the present invention can position gear blanks of different specifications and can position and clamp the inner ring or outer wall of the gear blank, so as to process external gears or internal gears. It has strong functionality. At the same time, it can position the machined external gear, facilitating the keyway cutting thereof without putting the machined external gear into other positioning mechanisms for positioning, greatly improving the processing efficiency; (2) By designing a positioning and clamping mechanism and providing scales on multiple connecting seats in the positioning and clamping mechanism, the staff can accurately adjust the multiple connecting seats to the specified positions according to the size of the gear blank, ensuring that the first chuck and the second chuck can clamp the inner ring or outer wall of the gear blank, greatly improving the accuracy of the positioning device; (3) By designing a liquid drainage mechanism, the present invention can timely drain the coolant, preventing the accumulation of coolant and affecting the processing of the gear blank. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is the external view of the first gear clamping state of the present invention; Figure 2 is the external view of the second gear clamping state of the present invention; Figure 3 is the external view of the internal gear clamping state of the present invention; Figure 4 is the overall front view of the present invention; Figure 5 is the schematic structural view of the bottom plate of the present invention; Figure 6 is the schematic structural view of the liquid drainage mechanism of the present invention; Figure 7 is the schematic structural view of the positioning and clamping mechanism of the present invention; Figure 8 is the exploded view of the positioning and clamping mechanism of the present invention; Figure 9 is the schematic structural view of the chassis of the present invention; Figure 10 is the schematic structural view of the disk body of the present invention; Figure 11 is the schematic structural view of the spiral disk of the present invention; Figure 12 is the exploded view of some parts of the positioning and clamping mechanism of the present invention; Figure 13 is the schematic structural view of the positioning block of the present invention; Figure 14 is the schematic structural view of the second chuck of the present invention.

[0026] Reference numerals: 1, bottom plate; 11, bearing; 12, drain hole; 2, retaining ring; 3, drain mechanism; 301, fixing frame; 302, drain funnel; 303, liquid outlet pipe; 304, drain pipe; 4, positioning and clamping mechanism; 401, chassis; 402, connecting pipe; 403, disc body; 404, first chute; 405, annular groove; 406, spiral disc; 4061, helical gear ring; 407, bevel gear; 4071, adjusting shaft; 408, positioning block; 4081, arc tooth; 4082, scale; 409, top disc; 410, second chute; 411, lead screw; 412, adjusting head; 413, nut seat; 414, connecting seat; 4141, notch; 4142, pointer; 415, bellows protective cover; 416, first chuck; 417, second chuck; 418, fixing seat; 419, threaded rod; 420, clamping plate; 5, rotating mechanism; 501, driving gear ring; 502, mounting frame; 503, motor; 504, driving gear. Detailed implementation manners

[0027] In order to make the objectives, technical solutions and advantages of the present invention more clear and understandable, the present invention will be further described in detail below with reference to 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.

[0028] As Figures 1 - 6 shown, a gear positioning device in a gear processing machine according to this embodiment includes a bottom plate 1. A bearing 11 is fixedly installed at the center of the bottom plate 1. A drain hole 12 is provided at the bottom of the bottom plate 1 and inside the retaining ring 2, which is convenient for discharging the coolant and preventing the coolant from accumulating. A retaining ring 2 is fixedly connected to the top of the bottom plate 1. A drain mechanism 3 is installed on the top of the bottom plate 1. The drain mechanism 3 includes a fixing frame 301 fixedly connected to the bottom of the bottom plate 1. A drain funnel 302 is fixedly connected to the center of the fixing frame 301. A plurality of liquid outlet pipes 303 are fixedly connected to the outer wall of the drain funnel 302. A drain pipe 304 is fixedly connected to the center of the bottom of the drain funnel 302. When processing a gear blank or a first gear 6, the coolant used in the processing falls into the retaining ring 2, flows into the drain funnel 302 through the plurality of liquid outlet pipes 303, and is finally discharged outward through the drain pipe 304, preventing the coolant from accumulating and affecting the processing. The tops of the plurality of liquid outlet pipes 303 are aligned with the corresponding drain holes 12, and the coolant on the top of the bottom plate 1 is conveyed to the corresponding liquid outlet pipes 303 through the plurality of drain holes 12, and the coolant can be quickly discharged.

[0029] As Figures 1 - 14As shown in the figure, a positioning and clamping mechanism 4 is installed at the top center of the bottom plate 1 and inside the retaining ring 2. The positioning and clamping mechanism 4 includes a chassis 401 provided at the top center of the bottom plate 1. A connecting pipe 402 is fixedly connected to the bottom center of the chassis 401. A disc body 403 is fixedly installed on the top of the chassis 401. A plurality of first sliding grooves 404 are formed in the top of the disc body 403. An annular groove 405 is formed in the center of the disc body 403. A spiral disc 406 is provided inside the disc body 403. A plurality of bevel gears 407 are engaged with the spiral disc 406. A positioning block 408 is slidably connected in each of the plurality of first sliding grooves 404. A top disc 409 is fixedly installed on the top of the disc body 403. A second sliding groove 410 is formed in the top of each of the plurality of positioning blocks 408. A lead screw 411 is rotatably installed in each of the plurality of positioning blocks 408. An adjusting head 412 is fixedly connected to the outer end of each of the plurality of lead screws 411. A nut seat 413 is installed on each of the plurality of lead screws 411. A connecting seat 414 is fixedly connected to the top of each of the plurality of nut seats 413. A bellows protective cover 415 is installed at the top end of each of the plurality of second sliding grooves 410 to prevent dust from entering the second sliding groove 410. A first chuck 416 is fixedly installed at the outer end of the top of each of the plurality of connecting seats 414. A second chuck 417 is fixedly installed at the inner end of the top of each of the plurality of connecting seats 414. A fixing seat 418 is fixedly connected to the top of each of the plurality of second chucks 417. A threaded rod 419 is threadedly connected to each of the plurality of fixing seats 418. A clamping plate 420 is fixedly connected to the bottom end of each of the plurality of threaded rods 419. When it is necessary to process into the shape of the first gear 6 (cutting teeth on the outer wall of the gear blank), first adjust the positions of the plurality of connecting seats 414 to ensure that the plurality of first chucks 416 can tightly support the inner ring of the gear blank. Rotate the plurality of adjusting heads 412 respectively, so that the rotation of the adjusting head 412 drives the connected lead screw 411 to rotate, thereby driving the corresponding nut seat 413 to move, so as to adjust the plurality of connecting seats 414 to the specified positions. Place the gear blank on the top of the plurality of connecting seats 414. Rotate one of the adjusting shafts 4071, thereby rotating the engaged bevel gear 407, so that the rotation of the bevel gear 407 drives the engaged spiral disc 406 to rotate, so that the spiral disc 406 drives the plurality of positioning blocks 408 to move outward, thereby driving the corresponding first chucks 416 to move outward, so that the plurality of first chucks 416 outwardly support the inner ring of the gear blank, realizing the positioning and clamping of the gear blank. The gear processing machine can then cut the outer wall of the gear blank to process it into the shape of the first gear 6;When it is necessary to process it into the shape of the second gear 7 (keyway the first gear 6), first adjust the positions of the plurality of connecting seats 414 to ensure that the second chucks 417 on the plurality of connecting seats 414 can clamp the first gear 6. Rotate one of the adjusting shafts 4071 to move the plurality of positioning blocks 408 outward to the specified position. Then, rotate the plurality of adjusting heads 412 respectively according to the same principle to adjust the plurality of connecting seats 414 to the specified position. Then, place the processed first gear 6 on the tops of the plurality of connecting seats 414. Rotate one of the adjusting shafts 4071 according to the same principle to move the plurality of positioning blocks 408 inward so that the plurality of second chucks 417 are in contact with the external teeth of the first gear 6 to achieve positioning and clamping. Since the external teeth of the first gear 6 are irregular in shape, the plurality of second chucks 417 cannot contact the external teeth of the first gear 6 well, resulting in uneven clamping force. Therefore, rotate the plurality of threaded rods 419 to drive the corresponding clamping plates 420 to be in contact with the top of the first gear 6 to further clamp and fix the first gear 6. The gear processing machine can then process the inner ring of the first gear 6 into the shape of the second gear 7; when it is necessary to process it into the internal gear 8 (cut teeth on the inner wall of the gear blank), adjust the positions of the plurality of connecting seats 414 according to the same principle to ensure that the plurality of second chucks 417 can clamp the outer wall of the gear blank. At this time, place the gear blank on the plurality of connecting seats 414. Rotate one of the adjusting shafts 4071 according to the same principle to move the plurality of positioning blocks 408 inward so that the plurality of second chucks 417 are in contact with the outer wall of the gear blank to achieve positioning and clamping. Then, rotate the plurality of threaded rods 419 according to the same principle to further fix the gear blank through the plurality of clamping plates 420. Finally, the gear processing machine processes the gear blank into the shape of the internal gear 8. This mechanism can position gear blanks of different specifications and can position and clamp the inner ring or outer wall of the gear blank, so as to process it into the first gear 6 or the internal gear 8, with strong functionality. At the same time, it can position the processed first gear 6, which is convenient for keywaying it without putting the processed first gear 6 into other positioning mechanisms for positioning, greatly improving the processing efficiency.;

[0030] Such as Figures 1 - 14As shown, the top end of the outer wall of the connecting pipe 402 is fixedly connected to the inner wall of the bearing 11. The connecting pipe 402 is inserted into the liquid discharge funnel 302. When a keyway is opened for the first gear 6, the transported coolant flows towards the connecting pipe 402 and then through the connecting pipe 402 towards the liquid discharge funnel 302. The centers of multiple bevel gears 407 are fixedly connected with adjusting shafts 4071 respectively, and multiple adjusting shafts 4071 are rotatably connected to the disc body 403. When adjusting the positions of multiple positioning blocks 408, the operator rotates one of the adjusting shafts 4071 with a square wrench, thereby driving the connected bevel gear 407 to rotate, thus driving the spiral disc 406 to rotate, causing the spiral disc 406 to drive multiple positioning blocks 408 to move. A helical gear ring 4061 is provided at the bottom of the spiral disc 406, and the spiral disc 406 is slidably connected to the annular groove 405. The bottoms of multiple positioning blocks 408 are fixedly connected with arc teeth 4081 respectively, and multiple positioning blocks 408 are meshed with the helical gear ring 4061 through the corresponding arc teeth 4081 respectively. Scales 4082 are provided at the tops of multiple positioning blocks 408. When the spiral disc 406 rotates, it slides in the annular groove 405 to achieve a limiting effect and improve the rotation stability of the spiral disc 406. Grooves 4141 are opened on one side of the outer walls of multiple connecting seats 414, and pointers 4142 are fixedly connected to the multiple connecting seats 414 respectively at positions corresponding to the grooves 4141. With the scales 4082 and the pointers 4142 provided, the operator can accurately adjust the multiple connecting seats 414 to the specified positions according to the specifications of the gear blank, ensuring that the first chuck 416 and the second chuck 417 can clamp the inner ring or the outer wall of the gear blank, greatly improving the accuracy of the positioning device.

[0031] As Figures 1 - 4 shown, a rotating mechanism 5 is installed at the front end of the bottom of the base plate 1. A first gear 6 is provided on the positioning and clamping mechanism 4. The rotating mechanism 5 includes a driving gear ring 501 fixedly connected to the center of the outer wall of the connecting pipe 402. An installation frame 502 is fixedly connected to the front end of the bottom of the base plate 1. A motor 503 is fixedly installed at the bottom of the installation frame 502. A driving gear 504 is fixedly connected to the outer wall of the output shaft of the motor 503. The driving gear 504 is meshed with the driving gear ring 501. When the positioning and clamping mechanism 4 needs to rotate, the motor 503 is started, so that the motor 503 drives the driving gear 504 to rotate through the output shaft, causing the driving gear 504 to drive the driving gear ring 501 to rotate, thereby driving the connecting pipe 402 to rotate, thus driving the entire positioning and clamping mechanism 4 to rotate, and further driving the gear blank to rotate, facilitating the processing of the positioned and clamped gear blank.

[0032] The working principle of this embodiment is as follows. When it is necessary to process into the shape of the first gear 6 (cut the tooth profile on the outer wall of the gear blank), according to the size of the gear blank, it is necessary to adjust the positions of multiple connecting seats 414 to ensure that multiple first chucks 416 can tighten the inner ring of the gear blank. Rotate multiple adjusting heads 412 respectively, so that the rotation of the adjusting head 412 drives the screw rod 411 connected thereto to rotate, thereby driving the corresponding nut seat 413 to move, so as to adjust multiple connecting seats 414 to the specified positions. When the connecting seat 414 moves, the staff can adjust multiple connecting seats 414 to the precise positions according to the value of the scale 4082 aligned by the pointer 4142. Place the gear blank on the tops of multiple connecting seats 414, and rotate one of the adjusting shafts 4071, thereby rotating the bevel gear 407 connected thereto, so that the rotation of the bevel gear 407 drives the engaged spiral disc 406 to rotate, so that the spiral disc 406 drives multiple positioning blocks 408 to move outwards, thereby driving the corresponding first chucks 416 to move outwards, so that multiple first chucks 416 tighten the inner ring of the gear blank outwards, realizing the positioning and clamping of the gear blank, and the gear processing machine can cut the outer wall of the gear blank and process it into the shape of the first gear 6; When it is necessary to process into the shape of the second gear 7 (cut a keyway in the first gear 6), first adjust the positions of multiple connecting seats 414 to ensure that the second chucks 417 on multiple connecting seats 414 can clamp the first gear 6. Rotate one of the adjusting shafts 4071 to move multiple positioning blocks 408 outwards to the specified positions. Then rotate multiple adjusting heads 412 respectively by the same principle to adjust multiple connecting seats 414 to the specified positions. Then place the processed first gear 6 on the tops of multiple connecting seats 414, and rotate one of the adjusting shafts 4071 by the same principle to make multiple positioning blocks 408 move inwards, so that multiple second chucks 417 are in contact with the outer teeth of the first gear 6, realizing positioning and clamping. Since the outer teeth of the first gear 6 are irregularly shaped, multiple second chucks 417 cannot contact the outer teeth of the first gear 6 well, resulting in uneven clamping force. Therefore, rotate multiple threaded rods 419 to drive the corresponding clamping plates 420 to fit with the top of the first gear 6, further clamping and fixing the first gear 6, and the gear processing machine can process the inner ring of the first gear 6 and process it into the shape of the second gear 7; When it is necessary to process into an internal gear 8 (cut the tooth profile on the inner wall of the gear blank), first adjust the positions of multiple connecting seats 414 by the same principle to ensure that multiple second chucks 417 can clamp the outer wall of the gear blank. At this time, place the gear blank on multiple connecting seats 414, and rotate one of the adjusting shafts 4071 by the same principle to make multiple positioning blocks 408 move inwards, so that multiple second chucks 417 are in contact with the outer wall of the gear blank, realizing positioning and clamping. Then rotate multiple threaded rods 419 by the same principle to further fix the gear blank through multiple clamping plates 420. Finally, process the gear blank into the shape of the internal gear 8 through the gear processing machine; When processing the gear blank or the first gear 6, the motor 503 is started, so that the motor 503 drives the driving gear 504 to rotate through the output shaft, so that the driving gear 504 drives the driving gear ring 501 to rotate, thereby driving the connecting tube 402 to rotate, thereby driving the entire positioning clamping mechanism 4 to rotate, and then driving the gear blank to rotate, so as to facilitate the processing of the gear blank; When processing the gear blank or the first gear 6 , the input coolant flows to the drain funnel 302 through the connecting pipe 402 , and is simultaneously transported to the corresponding outlet pipe 303 through a plurality of drain holes 12 , and then flows to the drain funnel 302 , and finally is discharged to the outside through the drain pipe 304 .

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A gear positioning device in a gear processing machine, comprising a bottom plate (1), characterized in that: A retaining ring (2) is fixedly connected to the top of the bottom plate (1), and a liquid discharge mechanism (3) is installed on the top of the bottom plate (1); A positioning and clamping mechanism (4) is installed at the center of the top of the bottom plate (1) and inside the retaining ring (2), and a rotating mechanism (5) is installed at the front end of the bottom of the bottom plate (1); A first gear (6) is provided on the positioning and clamping mechanism (4).

2. The gear positioning device in a gear processing machine according to claim 1, wherein, A bearing (11) is fixedly installed at the center of the bottom plate (1), and a liquid discharge hole (12) is formed in the bottom of the bottom plate (1) and inside the retaining ring (2).

3. The gear positioning device in a gear processing machine according to claim 2, characterized in that, The liquid discharge mechanism (3) includes a fixing frame (301) fixedly connected to the bottom of the bottom plate (1), a liquid discharge funnel (302) fixedly connected to the center of the fixing frame (301), a plurality of liquid outlet pipes (303) fixedly connected to the outer wall of the liquid discharge funnel (302), and a liquid discharge pipe (304) fixedly connected to the center of the bottom of the liquid discharge funnel (302).

4. A gear positioning device in a gear processing machine according to claim 3, characterized in that, The tops of the plurality of liquid outlet pipes (303) are aligned with the corresponding liquid discharge holes (12).

5. The gear positioning device in a gear processing machine according to claim 3, characterized in that, The positioning and clamping mechanism (4) includes a chassis (401) arranged at the center of the top of the bottom plate (1), a connecting pipe (402) fixedly connected to the center of the bottom of the chassis (401), a disc body (403) fixedly installed on the top of the chassis (401), a plurality of first sliding grooves (404) formed in the top of the disc body (403), an annular groove (405) formed in the center of the disc body (403), a spiral disc (406) arranged inside the disc body (403), a plurality of bevel gears (407) meshed with the spiral disc (406), a positioning block (408) slidably connected in each of the plurality of first sliding grooves (404), a top disc (409) fixedly installed on the top of the disc body (403), a second sliding groove (410) formed in the top of each of the plurality of positioning blocks (408), a lead screw (411) rotatably installed in each of the plurality of positioning blocks (408), an adjusting head (412) fixedly connected to the outer end of each of the plurality of lead screws (411), a nut seat (413) installed on each of the plurality of lead screws (411), a connecting seat (414) fixedly connected to the top of each of the plurality of nut seats (413), a bellows protective cover (415) installed at the top end of each of the plurality of second sliding grooves (410), a first chuck (416) fixedly installed at the outer end of the top of each of the plurality of connecting seats (414), a second chuck (417) fixedly installed at the inner end of the top of each of the plurality of connecting seats (414), a fixing seat (418) fixedly connected to the top of each of the plurality of second chucks (417), a threaded rod (419) threadedly connected to each of the plurality of fixing seats (418), and a clamping plate (420) fixedly connected to the bottom end of each of the plurality of threaded rods (419).

6. The gear positioning device in a gear processing machine according to claim 5, characterized in that, The outer wall top end of the connecting pipe (402) is fixedly connected to the inner wall of the bearing (11), and the connecting pipe (402) is inserted into the liquid discharge funnel (302).

7. The gear positioning device in a gear processing machine according to claim 5, characterized in that, Adjusting shafts (4071) are fixedly connected to the centers of the plurality of bevel gears (407), and the plurality of adjusting shafts (4071) are rotatably connected to the disc body (403).

8. A gear positioning device in a gear processing machine according to claim 5, characterized in that, The bottom of the spiral disc (406) is provided with a helical gear ring (4061). The spiral disc (406) is slidably connected to the annular groove (405). The bottoms of multiple positioning blocks (408) are fixedly connected with arc teeth (4081). The multiple positioning blocks (408) are respectively meshed with the helical gear ring (4061) through the corresponding arc teeth (4081). The tops of the multiple positioning blocks (408) are provided with scales (4082).

9. A gear positioning device in a gear processing machine according to claim 5, characterized in that, One side of the outer wall of each of the multiple connecting seats (414) is provided with a notch (4141). Pointer (4142) is fixedly connected to each of the multiple connecting seats (414) at the position corresponding to the notch (4141).

10. The gear positioning device in a gear processing machine according to claim 5, characterized in that, The rotating mechanism (5) includes a driving gear ring (501) fixedly connected to the center of the outer wall of the connecting pipe (402). An installation frame (502) is fixedly connected to the front end of the bottom of the bottom plate (1). A motor (503) is fixedly installed at the bottom of the installation frame (502). A driving gear (504) is fixedly connected to the outer wall of the output shaft of the motor (503). The driving gear (504) is meshed with the driving gear ring (501).

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