CN116160302A

CN116160302A - Gearbox rear gear forging die capable of grinding edges and corners

Info

Publication number: CN116160302A
Application number: CN202310452952.6A
Authority: CN
Inventors: 葛艳明; 吴志强; 袁志伟; 高飞; 徐峰; 杨志华
Original assignee: Jiangsu Jinyuan Forging Co ltd
Current assignee: Jiangsu Jinyuan Forging Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-05-26
Anticipated expiration: 2043-04-25
Also published as: CN116160302B

Abstract

The invention discloses a gearbox rear gear forging die capable of grinding edges and corners, and belongs to the field of gear machining. The gearbox rear gear forging die capable of grinding the corners comprises a bottom plate, a top plate, a base fixedly connected to the bottom plate and a driving shaft rotationally connected to the base, and an auxiliary gear arranged on the driving shaft, wherein the bottom plate is connected with the top plate through a supporting rod; the outer wall of the fixed shaft is connected with a gear to be processed, and the auxiliary gear is meshed with the gear to be processed; one end of the push rod, which is arranged outside the fixed block, is fixedly connected with a polishing disc which is obliquely arranged; the forging die can effectively grind corners of the gear to be machined, and meanwhile, the grinding disc is obliquely arranged, so that the forging die can be better contacted with the gear to be machined, and the grinding disc can be slowly controlled to move towards the gear to be machined, so that the grinding effect is improved.

Description

Gearbox rear gear forging die capable of grinding edges and corners

Technical Field

The invention relates to the technical field of gear machining, in particular to a gearbox rear gear forging die capable of grinding edges and corners.

Background

In the course of working of gear behind the gearbox, need polish to the corner of gear behind the gearbox generally, present mode of polishing is usually fixed the gear on the workstation, then the staff hand polishes the bistrique or polish the mill and polish the gear box, and the qualification rate of polishing is lower like this, and the operator easily produces tired, takes place the incident easily, and work intensity of labour is big, and work danger coefficient is high.

In the prior art, the patent publication number is CN115351632A, and the invention patent with publication date 2022-11-18 discloses a novel gearbox gear corner polishing device, which comprises: a working box; the rotating mechanism is arranged in the working box; the clamping mechanism is arranged on the rotating mechanism; the screening mechanism is arranged at the bottom of the rotating mechanism and is positioned in the working box; the rotation mechanism includes: the case is fixedly arranged on the right side of the outer wall of the working box; the motor is fixedly arranged on the right side of the inner wall of the case. Through the rotary device who sets up, through motor drive to drive the bull stick and rotate, make it drive fixture and rotate, thereby drive the rotatory purpose of polishing of gear, will polish simultaneously and set up inside the work box, played the purpose of isolated dust.

However, in the above patent, the polishing head is set to be a plane, only the outer circumferential surface of the gear can be polished, the corners of the gear cannot be polished effectively, and the distance between the polishing head and the gear cannot be controlled during polishing, so that the polishing effect is affected.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a gearbox rear gear forging die capable of grinding an edge angle.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a gearbox rear gear forging mould that can grind angle, includes bottom plate and roof, link to each other through the bracing piece between bottom plate and the roof, still include:

the base is fixedly connected to the bottom plate, a driving shaft is rotatably connected to the base, and an auxiliary gear is arranged on the driving shaft;

the outer wall of the fixed shaft is connected with a gear to be processed, and the auxiliary gear is meshed with the gear to be processed;

the fixed block is connected to the base in a sliding way, a sliding plate is connected to the fixed block in a sliding way, a push rod is fixedly connected to the outer wall of the sliding plate, and a polishing disc which is obliquely arranged is fixedly connected to one end of the push rod, which is arranged outside the fixed block;

the cover plate is connected to the bottom of the top plate in a sliding mode, and a trapezoid block used for driving the fixing block to move is arranged in the cover plate.

Preferably, a groove is formed in the base, an L plate is arranged in the groove, a driving part is arranged on the inner wall of the groove, a rotating shaft is arranged at the output end of the driving part, the driving shaft is fixedly connected with the rotating shaft, and a crank and a cam are respectively arranged on the outer wall of the rotating shaft.

Further, bottom and the top of L board are fixedly connected with square section of thick bamboo and drum respectively, be equipped with the through-hole corresponding with square section of thick bamboo on the L board, it is connected with first piston to slide every in the square section of thick bamboo, the outer wall of first piston rotates and is connected with first connecting rod, first connecting rod links to each other with the crank rotation, sliding connection has the second piston in the drum, the outer wall fixedly connected with second connecting rod of second piston, the push pedal that one end fixedly connected with and the cam offset outside the drum is arranged in to the second connecting rod, the cover is equipped with first spring on the second connecting rod, first spring sets up between the inner wall of second piston and drum.

Still further, the bottom outer wall of square tube is equipped with the drinking-water pipe, be equipped with the apopore in the fixed axle, the top outer wall of square tube is equipped with out the outlet pipe that is linked together with the apopore, the top of drum is equipped with the inlet port, the outer wall of drum is equipped with the outlet duct that links to each other with the fixed block, all be equipped with the check valve on drinking-water pipe, outlet duct and the inlet port.

Still further, be equipped with the swash plate on the fixed block, be equipped with on the trapezoidal piece with swash plate matched with inclined plane, be equipped with the cavity in the fixed block, cavity internal rotation is connected with driven shaft and hollow shaft, fixedly connected with gear wheel and blade on the driven shaft, fixedly connected with casing in the cavity, the blade rotates to be connected in the casing, the both sides of casing all are equipped with the connecting pipe, the one end that the drum was kept away from to the outlet duct links to each other with the connecting pipe of casing one side.

Still further, rotate on the hollow shaft and be connected with the pinion that meshes with the gear wheel, the internal thread of pinion is connected with the threaded rod, the threaded rod offsets with the outer wall of slide, the one end that the fixed block was arranged in to the threaded rod is equipped with the handle, be connected with the gag lever post between handle and the fixed block, slide sliding connection is in the cavity, be equipped with the second spring between the inner wall of slide and cavity.

Still further, be equipped with the extension pipe on the connecting pipe of outlet duct one end is kept away from to the casing, be equipped with two fixed plates on the base, two be equipped with the guide bar between the fixed plate, fixed block sliding connection is on the guide bar, the one end that the connecting pipe was kept away from to the extension pipe is connected with the air nozzle, the air nozzle is connected on the fixed plate.

Preferably, the outer wall of fixed axle is equipped with the bearing, wait to process the gear setting on the bearing, the bottom of cover plate is equipped with the spacing pipe of grafting in the apopore, the bottom of spacing pipe is equipped with the intubate, the outer wall of intubate is equipped with the inlet opening, sliding connection has the dog with intubate matched with in the apopore, be equipped with the U type pipe that is linked together with the apopore in the fixed axle, under initial condition, the dog shutoff is the upper end opening of U type pipe.

Further, in the apopore respectively fixedly connected with baffle and annular plate, the below of dog is arranged in to the annular plate, be equipped with flexible pipe and third spring between dog and the annular plate, in flexible pipe was arranged in to the third spring, the bottom of baffle is connected with the awl piece, the outer wall of spacing pipe is equipped with the spray pipe, be equipped with the shower nozzle on the spray pipe, the shower nozzle is towards the corner of waiting to process the gear.

Further, the top of roof is equipped with the cylinder, the cover plate sets up the output at the cylinder, be equipped with the elongated slot corresponding with the threaded rod on cover plate and the trapezoidal piece, the bottom of cover plate is equipped with the spacing ring corresponding with the driving shaft, be equipped with the chute on the base.

Compared with the prior art, the invention provides the gearbox rear gear forging die capable of grinding the angle, which has the following beneficial effects:

1. this gearbox rear gear forging mould that can grind angle, will wait to process the gear and place on the fixed axle and make it mesh with epaxial auxiliary gear of driving, then control the cover plate whereabouts, make the fixed block produce the removal under the effect of trapezoidal piece to drive the grinding dish and remove, make it contact with waiting to process the gear, then wait to process the gear and rotate, then can carry out the grinding operation to its corner under the effect of grinding dish.

2. The gearbox rear gear forging die capable of grinding the edge angle drives the crank and the cam to rotate while the rotating shaft rotates, and the cooling liquid is cooled at the edge of the gear to be processed through the square cylinder when the crank rotates, so that the grinding effect is better; when the cam rotates, the exhaust gas in the cylinder can blow the blades, so that the threaded rod is driven to move, the distance between the polishing disc and the gear to be processed is controlled, the grinding effect is improved, the gas continuously moves and can be sprayed out through the air nozzle, chips on the polishing disc are blown off, and the effect that the chips influence the processing is avoided.

The forging die can effectively grind corners of the gear to be machined, and meanwhile, the grinding disc is obliquely arranged, so that the forging die can better contact with the gear to be machined, and can slowly control the grinding disc to move towards the gear to be machined, so that the grinding effect is improved.

Drawings

Fig. 1 is a schematic structural view of a rear gear forging die for a gearbox, which is provided by the invention and can grind an angle.

Fig. 2 is a front view of a forging die for a rear gear of a gearbox, which is capable of grinding an angle according to the present invention.

Fig. 3 is a schematic diagram of a structure of a base in a rear gear forging die of a gearbox, which is capable of grinding an edge angle.

Fig. 4 is a schematic diagram of a second structure of a base in a rear gear forging die of a gearbox, which is capable of grinding an edge angle.

Fig. 5 is a cross-sectional view of a base in a rear gear forging die for a gearbox, which is provided by the invention, and can grind edges.

Fig. 6 is a schematic structural view of a square tube and a cylinder in a rear gear forging die of a gearbox, which is capable of grinding an edge angle.

Fig. 7 is a schematic structural view of a cover plate in a rear gear forging die of a gearbox, which is capable of grinding an edge angle.

Fig. 8 is a cross-sectional view of a base and a cover plate in a rear gear forging die for a gearbox, which is capable of grinding an edge angle.

Fig. 9 is an enlarged schematic view of a portion a of fig. 8 of a rear gear forging die for a gearbox capable of grinding an angle according to the present invention.

Fig. 10 is a cross-sectional view of a fixed block in a rear gear forging die of a gearbox, which is capable of grinding an edge angle.

In the figure: 1. a bottom plate; 101. a support rod; 102. a top plate; 103. a cylinder; 2. a base; 201. a chute; 202. a fixing plate; 203. a guide rod; 204. a groove; 205. an L plate; 206. a through hole; 3. a cover plate; 301. a trapezoid block; 302. a long groove; 303. an inclined plane; 304. a limiting tube; 305. a cannula; 306. a water spray pipe; 307. a spray head; 308. a limiting ring; 309. a water inlet hole; 4. a driving section; 401. a rotating shaft; 402. a crank; 403. a cam; 404. a first link; 405. a driving shaft; 406. an auxiliary gear; 5. a square cylinder; 501. a first piston; 502. a water pumping pipe; 503. a water outlet pipe; 6. a cylinder; 601. a second piston; 602. a second link; 603. a first spring; 604. a push plate; 605. an air outlet pipe; 606. an air inlet hole; 7. a fixed block; 701. a sloping plate; 702. a cavity; 703. a driven shaft; 704. a large gear; 705. a housing; 706. a blade; 707. a connecting pipe; 708. an extension tube; 709. a threaded rod; 710. a pinion gear; 711. a hollow shaft; 712. a slide plate; 713. a push rod; 714. polishing the grinding disc; 715. a second spring; 716. a handle; 717. a limit rod; 718. an air nozzle; 8. a fixed shaft; 801. a bearing; 802. a gear to be processed; 803. a water outlet hole; 804. a baffle; 805. a cone block; 806. a telescopic tube; 807. a third spring; 808. an annular plate; 809. a stop block; 810. u-shaped tube.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-5, 7, 8 and 10, a rear gear forging die for a gearbox capable of grinding edges comprises a bottom plate 1, a top plate 102, a base 2 fixedly connected to the bottom plate 1, a driving shaft 405 rotatably connected to the base 2, and an auxiliary gear 406 arranged on the driving shaft 405, wherein the bottom plate 1 and the top plate 102 are connected through a supporting rod 101; the device comprises a fixed shaft 8 fixedly connected to a base 2, a gear 802 to be processed is connected to the outer wall of the fixed shaft 8, and an auxiliary gear 406 is meshed with the gear 802 to be processed; the polishing device comprises a fixed block 7 which is connected to a base 2 in a sliding way, a sliding plate 712 is connected in the fixed block 7 in a sliding way, a push rod 713 is fixedly connected to the outer wall of the sliding plate 712, and a polishing disc 714 which is obliquely arranged is fixedly connected to one end of the push rod 713 which is arranged outside the fixed block 7; comprises a cover plate 3 which is connected with the bottom of a top plate 102 in a sliding way, wherein a trapezoid block 301 for driving a fixed block 7 to move is arranged in the cover plate 3.

When the forging die is used, firstly, the gear 802 to be machined is placed on the fixed shaft 8 to be meshed with the auxiliary gear 406 on the driving shaft 405, then the cover plate 3 is controlled to fall and cover the base 2, the fixed block 7 is moved under the action of the trapezoid block 301, so that the grinding disc 714 is driven to move to be contacted with the gear 802 to be machined, then the driving shaft 405 is controlled to rotate, so that the auxiliary gear 406 is driven to rotate, the gear 802 meshed with the gear 802 to be machined is further driven to rotate, and when the gear 802 to be machined rotates, the corners of the gear are ground under the action of the grinding disc 714.

It should be noted that, when the gear 802 to be processed rotates, the sliding plate 712 in the fixed block 7 can move, so that the push rod 713 drives the polishing disc 714 to slowly move, so that the polishing effect of the corners is gradually enhanced, in the practical use process, an observation window is arranged on the outer wall of the cover plate 3, the polishing condition can be observed in real time, the polishing disc 714 is obliquely arranged, and the polishing disc can just contact with the corners of the gear 802 to be processed, so that the polishing effect is improved.

Example 2:

referring to fig. 1-8, a forging die for a rear gear of a gearbox capable of grinding an angle comprises a bottom plate 1 and a top plate 102, wherein the bottom plate 1 is connected with the top plate 102 through a supporting rod 101, the forging die further comprises a base 2 fixedly connected to the bottom plate 1, a driving shaft 405 is rotatably connected to the base 2, and an auxiliary gear 406 is arranged on the driving shaft 405; the device comprises a fixed shaft 8 fixedly connected to a base 2, a gear 802 to be processed is connected to the outer wall of the fixed shaft 8, and an auxiliary gear 406 is meshed with the gear 802 to be processed; the polishing device comprises a fixed block 7 which is connected to a base 2 in a sliding way, a sliding plate 712 is connected in the fixed block 7 in a sliding way, a push rod 713 is fixedly connected to the outer wall of the sliding plate 712, and a polishing disc 714 which is obliquely arranged is fixedly connected to one end of the push rod 713 which is arranged outside the fixed block 7; comprises a cover plate 3 which is connected with the bottom of a top plate 102 in a sliding way, wherein a trapezoid block 301 for driving a fixed block 7 to move is arranged in the cover plate 3.

The base 2 is internally provided with a groove 204, the groove 204 is internally provided with an L plate 205, the inner wall of the groove 204 is provided with a driving part 4, the output end of the driving part 4 is provided with a rotating shaft 401, a driving shaft 405 is fixedly connected with the rotating shaft 401, and the outer wall of the rotating shaft 401 is respectively provided with a crank 402 and a cam 403.

The bottom and the top of L board 205 are fixedly connected with square tube 5 and drum 6 respectively, be equipped with the through-hole 206 corresponding with square tube 5 on the L board 205, slide in the square tube 5 and be connected with first piston 501 each, the outer wall of first piston 501 rotates and is connected with first connecting rod 404, first connecting rod 404 rotates with crank 402 and links to each other, sliding connection has second piston 601 in the drum 6, the outer wall fixedly connected with second connecting rod 602 of second piston 601, the one end fixedly connected with outside the drum 6 of second connecting rod 602 is arranged in and is pushed away from push pedal 604 of cam 403, the cover is equipped with first spring 603 on the second connecting rod 602, first spring 603 sets up between the inner wall of second piston 601 and drum 6.

The bottom outer wall of square tube 5 is equipped with drinking-water pipe 502, is equipped with apopore 803 in the fixed axle 8, and the top outer wall of square tube 5 is equipped with out outlet pipe 503 that is linked together with apopore 803, and the top of drum 6 is equipped with inlet port 606, and the outer wall of drum 6 is equipped with outlet duct 605 that links to each other with fixed block 7, all is equipped with the check valve on drinking-water pipe 502, outlet pipe 503, outlet duct 605 and the inlet port 606.

In this embodiment, before use, a cooling liquid is added into the groove 204 through a pipe on the side wall of the base 2, then the gear 802 to be processed is placed on the fixed shaft 8 and meshed with the auxiliary gear 406, and then the driving part 4 is started, so as to drive the rotation shaft 401 to rotate, thereby rotating the driving shaft 405 fixedly connected with the rotation shaft 401, and further driving the auxiliary gear 406 to drive the gear 802 to be processed to rotate.

When the rotating shaft 401 rotates, the crank 402 and the cam 403 are driven to rotate, when the crank 402 rotates, the first connecting rod 404 drives the first piston 501 to reciprocate in the square cylinder 5, when the first piston 501 moves towards the outer side of the square cylinder 5, cooling liquid in the groove 204 is pumped through the water pumping pipe 502, when the first piston 501 moves towards the inner side of the square cylinder 5, the cooling liquid pumped into the square cylinder 5 is discharged into the water outlet 803 on the fixed shaft 8 through the water outlet pipe 503, and therefore the cooling liquid is sprayed at the corner of the gear 802 to be processed, which is being ground, and the grinding effect is improved; when the cam 403 rotates, the pushing plate 604 is pushed to reciprocate under the action of the first spring 603, so that the second piston 601 is driven to reciprocate in the cylinder 6 by the second connecting rod 602, when the second piston 601 moves to the side close to the cam 403, gas is extracted through the gas inlet hole 606, and when the second piston 601 moves to the side far from the cam 403, the extracted gas is discharged through the gas outlet pipe 605.

It should be noted that, the through hole 206 is provided on the L plate 205, which can facilitate the movement of the first link 404, and the one-way valves are provided on the water pumping pipe 502 and the water outlet pipe 503, that is, when the cooling liquid needs to be pumped, the cooling liquid can only be pumped through the water pumping pipe 502, and the cooling liquid entering the water outlet pipe 503 will not flow back under the action of the one-way valve, when the cooling liquid needs to be discharged, the one-way valve on the water pumping pipe 502 will avoid the cooling liquid from being discharged from the water pumping pipe 502, so that the cooling liquid can all enter the water outlet pipe 503; similarly, the air outlet pipe 605 and the air inlet 606 are also provided with one-way valves, when the cylinder 6 draws air, the air can be drawn from the air inlet 606 only, and when the air is exhausted, the air can completely enter the air outlet pipe 605, so that the air conditioner is more convenient to use.

Specifically, the driving unit 4 employs a motor.

Example 3:

referring to fig. 1-5 and fig. 7-10, a rear gear forging die for a gearbox capable of grinding edges is basically the same as that of embodiment 2, further, a sloping plate 701 is arranged on a fixed block 7, a sloping surface 303 matched with the sloping plate 701 is arranged on a trapezoid block 301, a cavity 702 is arranged in the fixed block 7, a driven shaft 703 and a hollow shaft 711 are rotationally connected in the cavity 702, a large gear 704 and a blade 706 are fixedly connected on the driven shaft 703, a shell 705 is fixedly connected in the cavity 702, the blade 706 is rotationally connected in the shell 705, connecting pipes 707 are arranged on two sides of the shell 705, and one end, far from a cylinder 6, of an air outlet pipe 605 is connected with the connecting pipe 707 on one side of the shell 705.

The hollow shaft 711 is rotatably connected with a pinion 710 meshed with the large gear 704, the internal thread of the pinion 710 is connected with a threaded rod 709, the threaded rod 709 abuts against the outer wall of the sliding plate 712, a handle 716 is arranged at one end, outside the fixed block 7, of the threaded rod 709, a limiting rod 717 is connected between the handle 716 and the fixed block 7, the sliding plate 712 is slidably connected in the cavity 702, and a second spring 715 is arranged between the sliding plate 712 and the inner wall of the cavity 702.

The casing 705 is equipped with extension pipe 708 on the connecting pipe 707 that keeps away from outlet duct 605 one end, is equipped with two fixed plates 202 on the base 2, is equipped with guide bar 203 between two fixed plates 202, and fixed block 7 sliding connection is on guide bar 203, and extension pipe 708 is connected with air nozzle 718 that keeps away from connecting pipe 707 one end, and air nozzle 718 connects on fixed plate 202.

In this embodiment, the cover plate 3 is controlled to move downward, at this time, the trapezoid block 301 will contact with the inclined plate 701 at the top of the fixed block 7, then the fixed block 7 will move along the guide rod 203 under the action of the matching of the inclined surface 303 and the inclined plate 701, so as to drive the grinding disc 714 to contact with the gear 802 to be processed, then when the driving part 4 drives the rotation shaft 401 to rotate, the cam 403 will be driven to rotate, when the cam 403 rotates, the push plate 604 will be pushed to reciprocate under the action of the first spring 603, so as to drive the second piston 601 to reciprocate in the cylinder 6 through the second connecting rod 602, when the second piston 601 moves to the side close to the cam 403, gas will be extracted through the gas inlet hole 606, when the second piston 601 moves to the side far away from the cam 403, the extracted gas will be discharged through the gas outlet pipe 605, and the discharged gas will enter the fixed block 7 through the gas outlet pipe 605, whereby the blades 706 in the housing 705 are blown through the connection pipe 707 to rotate, whereby the blades 706 drive the driven shaft 703 to rotate, and then drive the large gear 704 connected to the driven shaft 703 to rotate, whereby the large gear 704 rotates while driving the small gear 710 engaged with it to rotate, whereby the small gear 710 is screwed with the threaded rod 709 to drive the threaded rod 709 to move, and when the threaded rod 709 moves, the slide plate 712 is driven to move, whereby the polishing disc 714 is driven to move by the push rod 713, and the distance between the polishing disc 714 and the gear 802 to be processed is further controlled, whereby the effect of polishing is improved, gas then enters the extension pipe 708 through the connection pipe 707 on the other side of the housing 705 and is then ejected through the air nozzle 718, and the air nozzle 718 faces the position where one polishing disc 714 located below contacts the gear 802 to be processed, whereby the debris located on the polishing disc 714 can be blown off, avoiding the effect of the chip affecting the processing.

It should be noted that, the air outlet pipe 605 and the connecting pipe 707 are both provided to be thinner, so as to increase the pressure and speed of the air passing therethrough, and the connecting pipe 707 is provided at both sides of the lower side of the housing 705, so that the air can directly blow the end of the blade 706, so that the air can blow the blade 706 to rotate, and the driven shaft 703 can drive the large gear 704 to mesh with the small gear 710 on the hollow shaft 711 when rotating, even if the amplitude of the rotation of the blade 706 by the air is smaller, the amplitude of the rotation of the small gear 710 can be larger, so that the movement of the threaded rod 709 is convenient to control, and before use, it is necessary to connect the limit lever 717 on the handle 716, so that the limit lever 717 is inserted into the fixing block 7, and can slide on the fixing block 7, so that the small gear 710 is screwed with the threaded rod 709, so that the 709 can be moved better, and the position of the limit lever 717 can be screwed and fixed, so that the use is more convenient.

Example 4:

referring to fig. 1-5, 8 and 9, a rear gear forging die for a gearbox capable of grinding edges and corners is basically the same as that of embodiment 2, further, a bearing 801 is arranged on the outer wall of a fixed shaft 8, a gear 802 to be processed is arranged on the bearing 801, a limiting pipe 304 inserted in a water outlet 803 is arranged at the bottom of a cover plate 3, a cannula 305 is arranged at the bottom of the limiting pipe 304, a water inlet 309 is arranged on the outer wall of the cannula 305, a stop 809 matched with the cannula 305 is slidably connected in the water outlet 803, a U-shaped pipe 810 communicated with the water outlet 803 is arranged in the fixed shaft 8, and in an initial state, the stop 809 seals the upper end opening of the U-shaped pipe 810.

The baffle 804 and the annular plate 808 are fixedly connected in the water outlet 803 respectively, the annular plate 808 is arranged below the stop block 809, the telescopic pipe 806 and the third spring 807 are arranged between the stop block 809 and the annular plate 808, the third spring 807 is arranged in the telescopic pipe 806, the conical block 805 is connected to the bottom of the baffle 804, the water spraying pipe 306 is arranged on the outer wall of the limiting pipe 304, the spray nozzle 307 is arranged on the water spraying pipe 306, and the spray nozzle 307 faces the corner of the gear 802 to be processed.

In this embodiment, before use, the cover plate 3 is first matched with the base 2, the driving part 4 drives the rotation shaft 401 to rotate and drives the crank 402 to rotate, when the crank 402 rotates, the first connecting rod 404 drives the first piston 501 to reciprocate in the square cylinder 5, when the first piston 501 moves towards the outer side of the square cylinder 5, the cooling liquid in the groove 204 is pumped through the pumping pipe 502, and when the first piston 501 moves towards the inner side deep of the square cylinder 5, the cooling liquid pumped into the square cylinder 5 is discharged through the water outlet pipe 503 and enters the water outlet hole 803 on the fixed shaft 8.

After the cover plate 3 is connected with the base 2, the insertion pipe 305 at the bottom of the limiting pipe 304 pushes the stop block 809 to move in the water outlet 803, so that the stop block 809 does not prop against the top opening of the U-shaped pipe 810, at the moment, the cooling liquid flowing into the water outlet 803 enters the U-shaped pipe 810 through the bottom of the U-shaped pipe 810, then flows out of the top opening of the U-shaped pipe, enters the insertion pipe 305 through the water inlet 309 again, and is sprayed out of the spray nozzle 307 through the limiting pipe 304 and the spray pipe 306, and the corners of the gear 802 to be processed are cooled, so that the grinding effect is better, and meanwhile, the use is more convenient.

It should be noted that, the baffle 804 is provided with a small hole, so that the cooling liquid can pass through, the provided telescopic tube 806 can avoid the cooling liquid contacting the third spring 807, the service life of the third spring 807 is prolonged, meanwhile, the provided conical block 805 can split the cooling liquid, so that the cooling liquid better enters the U-shaped tube 810, when the stopper 809 moves downwards, the third spring 807 is compressed, when the stopper 809 is not subjected to the insertion tube 305 any more, the stopper 809 can be automatically reset, and the top opening of the U-shaped tube 810 is blocked again, so that the cooling liquid can not pass through again; and all be equipped with sealed pad in the bottom of spacing pipe 304 and intubate 305, can make it seal when linking to each other with fixed axle 8, avoid the coolant liquid to flow from the gap, can make the gear 802 of waiting to process more be convenient for rotate through the bearing 801 that sets up.

The top of the top plate 102 is provided with a cylinder 103, a cover plate 3 is arranged at the output end of the cylinder 103, long grooves 302 corresponding to threaded rods 709 are arranged on the cover plate 3 and the trapezoid blocks 301, a limiting ring 308 corresponding to a driving shaft 405 is arranged at the bottom of the cover plate 3, and a chute 201 is arranged on the base 2.

According to the forging die, the cylinder 103 is started, the cover plate 3 at the output end can be driven to move downwards so as to be matched with the base 2, the gear 802 to be machined is machined, the arranged long groove 302 can prevent the cover plate 3 from touching the threaded rod 709 when moving downwards, the arranged limiting ring 308 can limit the driving shaft 405, the driving shaft is enabled to rotate more conveniently, and scraps and the like can fall down through the chute 201 after machining.

The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.

Claims

1. Gearbox rear gear forging mould that can grind angle, including bottom plate (1) and roof (102), link to each other through bracing piece (101) between bottom plate (1) and roof (102), its characterized in that still includes:

the base (2) is fixedly connected to the bottom plate (1), a driving shaft (405) is rotatably connected to the base (2), and an auxiliary gear (406) is arranged on the driving shaft (405);

the fixed shaft (8) is fixedly connected to the base (2), a gear (802) to be processed is connected to the outer wall of the fixed shaft (8), and the auxiliary gear (406) is meshed with the gear (802) to be processed;

the fixed block (7) is connected to the base (2) in a sliding manner, the sliding plate (712) is connected to the fixed block (7) in a sliding manner, the push rod (713) is fixedly connected to the outer wall of the sliding plate (712), and a polishing disc (714) which is obliquely arranged is fixedly connected to one end of the push rod (713) arranged outside the fixed block (7);

the cover plate (3) is connected to the bottom of the top plate (102) in a sliding mode, and a trapezoid block (301) used for driving the fixed block (7) to move is arranged in the cover plate (3).

2. The gearbox rear gear forging die capable of grinding corners according to claim 1, wherein a groove (204) is formed in the base (2), an L plate (205) is arranged in the groove (204), a driving part (4) is arranged on the inner wall of the groove (204), a rotating shaft (401) is arranged at the output end of the driving part (4), a driving shaft (405) is fixedly connected with the rotating shaft (401), and a crank (402) and a cam (403) are respectively arranged on the outer wall of the rotating shaft (401).

3. The rear gear forging die for the gearbox capable of grinding the corners according to claim 2, wherein the bottom and the top of the L plate (205) are fixedly connected with a square cylinder (5) and a cylinder (6) respectively, through holes (206) corresponding to the square cylinder (5) are formed in the L plate (205), a first piston (501) is connected in the square cylinder (5) in a sliding manner, a first connecting rod (404) is connected to the outer wall of the first piston (501) in a rotating manner, the first connecting rod (404) is connected with a crank (402) in a rotating manner, a second piston (601) is connected to the cylinder (6) in a sliding manner, a second connecting rod (602) is fixedly connected to the outer wall of the second piston (601), one end of the second connecting rod (602) arranged outside the cylinder (6) is fixedly connected with a pushing plate (604) abutted to the cam (403), a first spring (603) is sleeved on the second connecting rod (602), and the first spring (603) is arranged between the second piston (601) and the inner wall of the cylinder (6).

4. A gearbox rear gear forging die capable of grinding edges and corners according to claim 3, wherein a water suction pipe (502) is arranged on the outer wall of the bottom of the square cylinder (5), a water outlet hole (803) is formed in the fixed shaft (8), a water outlet pipe (503) communicated with the water outlet hole (803) is arranged on the outer wall of the top of the square cylinder (5), an air inlet hole (606) is formed in the top of the cylinder (6), an air outlet pipe (605) connected with a fixed block (7) is arranged on the outer wall of the cylinder (6), and one-way valves are arranged on the water suction pipe (502), the water outlet pipe (503), the air outlet pipe (605) and the air inlet hole (606).

5. The gearbox rear gear forging die capable of grinding corners according to claim 4, wherein the inclined plate (701) is arranged on the fixed block (7), an inclined plane (303) matched with the inclined plate (701) is arranged on the trapezoid block (301), a cavity (702) is arranged in the fixed block (7), a driven shaft (703) and a hollow shaft (711) are rotationally connected to the cavity (702), a large gear (704) and a blade (706) are fixedly connected to the driven shaft (703), a shell (705) is fixedly connected to the cavity (702), the blade (706) is rotationally connected to the shell (705), connecting pipes (707) are arranged on two sides of the shell (705), and one end, far away from the cylinder (6), of the air outlet pipe (605) is connected with the connecting pipe (707) on one side of the shell (705).

6. The gearbox rear gear forging die capable of grinding corners according to claim 5, wherein a pinion (710) meshed with a large gear (704) is rotationally connected to the hollow shaft (711), a threaded rod (709) is connected to the pinion (710) in an internal thread mode, the threaded rod (709) abuts against the outer wall of the sliding plate (712), a handle (716) is arranged at one end, outside the fixed block (7), of the threaded rod (709), a limiting rod (717) is connected between the handle (716) and the fixed block (7), the sliding plate (712) is slidably connected in the cavity (702), and a second spring (715) is arranged between the sliding plate (712) and the inner wall of the cavity (702).

7. The gearbox rear gear forging die capable of grinding corners according to claim 6, wherein an extension tube (708) is arranged on a connecting tube (707) at one end of the shell (705) far away from the air outlet tube (605), two fixing plates (202) are arranged on the base (2), a guide rod (203) is arranged between the two fixing plates (202), the fixing block (7) is slidably connected to the guide rod (203), an air nozzle (718) is connected to one end of the extension tube (708) far away from the connecting tube (707), and the air nozzle (718) is connected to the fixing plates (202).

8. The gearbox rear gear forging die capable of grinding edges and corners is characterized in that a bearing (801) is arranged on the outer wall of the fixed shaft (8), a gear (802) to be machined is arranged on the bearing (801), a limiting pipe (304) inserted into a water outlet hole (803) is arranged at the bottom of the cover plate (3), a cannula (305) is arranged at the bottom of the limiting pipe (304), a water inlet hole (309) is arranged on the outer wall of the cannula (305), a stop block (809) matched with the cannula (305) is connected in the water outlet hole (803) in a sliding mode, a U-shaped pipe (810) communicated with the water outlet hole (803) is arranged in the fixed shaft (8), and in an initial state, the stop block (809) seals an upper end opening of the U-shaped pipe (810).

9. The gearbox rear gear forging die capable of grinding edges and corners according to claim 8, wherein a baffle plate (804) and an annular plate (808) are fixedly connected to each water outlet hole (803), the annular plate (808) is arranged below a stop block (809), a telescopic pipe (806) and a third spring (807) are arranged between the stop block (809) and the annular plate (808), the third spring (807) is arranged in the telescopic pipe (806), a conical block (805) is connected to the bottom of the baffle plate (804), a water spraying pipe (306) is arranged on the outer wall of the limiting pipe (304), a spray nozzle (307) is arranged on the water spraying pipe (306), and the spray nozzle (307) faces towards the edges of the gear (802) to be machined.

10. The rear gear forging die for the gearbox capable of grinding the side angles according to claim 6, wherein an air cylinder (103) is arranged at the top of the top plate (102), the cover plate (3) is arranged at the output end of the air cylinder (103), long grooves (302) corresponding to threaded rods (709) are formed in the cover plate (3) and the trapezoid blocks (301), a limiting ring (308) corresponding to a driving shaft (405) is arranged at the bottom of the cover plate (3), and a chute (201) is formed in the base (2).