CN111922804B

CN111922804B - Universal joint fork ear hole grinding device

Info

Publication number: CN111922804B
Application number: CN202010773229.4A
Authority: CN
Inventors: 华国伟; 王江良; 韩秋根
Original assignee: Hangzhou Shenghua Automotive Electronic Technology Co ltd
Current assignee: Hangzhou Shenghua Automotive Electronic Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-11-02
Anticipated expiration: 2040-08-04
Also published as: CN111922804A

Abstract

The utility model relates to a universal joint fork ear hole grinding device, it relates to a universal joint fork production facility, and it includes the frame, sets up grinding motor in the frame, sets up dwang, the driving pulley of setting on the dwang on grinding motor's the motor shaft and sets up the driven pulleys in the frame, driving pulley and driven pulleys pass through the conveyer belt and connect, be equipped with the reamer that is used for polishing to the ear hole of two universal joint forks on the driven pulleys, be equipped with the locating component who is used for fixed universal joint fork in the frame. The utility model provides an effect lies in can reducing the possibility that the concentricity of two universal joint fork ear holes takes place the skew, also can improve the efficiency of polishing moreover, productivity gain.

Description

Universal joint fork ear hole grinding device

Technical Field

The application relates to a universal joint fork production facility especially relates to a universal joint fork earhole grinding device.

Background

The universal joint is a part for realizing variable angle power transmission, is used for changing the position of the transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system. The universal joint is combined with a steering drive shaft of a heavy truck, called a universal joint drive.

Chinese patent that the publication number is CN208438103U discloses a split type part grinding device of car transmission shaft universal joint fork, including base and universal joint fork body, universal joint fork body includes universal joint fork base and two universal joint fork ears, and has seted up fork ear through-hole on the universal joint fork ear, the base top is provided with the roof, perpendicular fixedly connected with backplate between base and the roof, vertically laid two first slide rails, two on the base sliding connection has the removal base on the first slide rail, be provided with fixing device on the removal base.

To the correlation technique among the above-mentioned, when polishing the universal joint fork, utilize first bistrique to polish fork ear through-hole to utilize the slider to slide on the slide rail, thereby can polish two fork ear through-holes, but first bistrique polishes two fork ear through-holes respectively, leads to the concentricity of two fork ear through-holes to have the skew easily, awaits improving.

Disclosure of Invention

In order to improve the problem that the fork ear through-hole concentricity takes place the skew easily, this application provides a universal joint fork ear hole grinding device.

The application provides a pair of universal joint fork earhole grinding device adopts following technical scheme:

the utility model provides a universal joint fork ear hole grinding device, includes the frame, sets up grinding motor in the frame, sets up dwang, the driving pulley of setting on the dwang on grinding motor's the motor shaft and sets up the driven pulleys in the frame, driving pulley and driven pulleys pass through the conveyer belt and connect, be equipped with the reamer that is used for polishing to the ear hole of two universal joint forks on the driven pulleys, be equipped with the locating component who is used for fixed universal joint fork in the frame.

Through adopting above-mentioned technical scheme, when needs are polished universal joint fork ear hole, with universal joint fork cover on the reamer, positioning component fixes the universal joint fork, start grinding motor, grinding motor drive dwang, driving pulley, driven pulleys and conveyer belt rotate, thereby drive the reamer and rotate, thereby can polish to the ear hole of two universal joint forks simultaneously, with this can reduce the possibility that the concentricity in two universal joint fork ear holes takes place the skew, and also can improve polishing efficiency, productivity gain.

Preferably, the positioning assembly comprises a positioning seat arranged on the rack, the positioning seat is provided with a positioning plate in contact with the side wall of the universal joint fork, the side wall of the positioning seat is provided with a fixed cylinder, the end wall of a piston rod of the fixed cylinder is provided with a limiting cylinder, the axis of a piston rod of the limiting cylinder is perpendicular to the axis of the reamer, the end wall of a piston rod of the limiting cylinder is provided with a limiting plate abutting against the side wall of the universal joint fork, and the limiting plate and the positioning plate are arranged oppositely;

the reamer locating device is characterized in that a material pushing cylinder is arranged below the reamer on the locating seat, the axis of the material pushing cylinder is parallel to the axis of the reamer, a locating cylinder is arranged on the end wall of a piston rod of the material pushing cylinder, the axis of the locating cylinder is perpendicular to the axis of the reamer and the axis of the limiting cylinder, and a locating rod used for inserting into a base hole of the universal joint fork is arranged on the end wall of the piston rod of the locating cylinder.

By adopting the technical scheme, after the universal joint fork is arranged on the reamer, the limiting plate is pushed to extend by the limiting cylinder, the fixing cylinder drives the limiting cylinder to move towards one side of the positioning plate, so that the universal joint fork is pushed to abut between the limiting plate and the positioning plate, the positioning cylinder is used for pushing the positioning rod to extend out, and the positioning rod is inserted into the base hole of the universal joint fork, so that the universal joint fork arranged on the reamer can be fixed, and the stability of polishing the ear hole of the universal joint fork by the reamer is improved;

after the universal joint fork lug hole finishes polishing, the piston rod of spacing cylinder moves backward, drives the limiting plate and moves backward, loosens the universal joint fork, pushes away the material cylinder this moment and promotes the location cylinder and remove, and then drives the universal joint fork and remove to keeping away from locating plate one side, and the location cylinder drives the locating lever and moves down again to loosen the universal joint fork, the convenience is with the unloading of universal joint fork.

Preferably, a sliding motor is arranged on the rack, a driving shaft is arranged on a motor shaft of the sliding motor, a driving wheel is arranged on the side wall of the driving shaft, a driven shaft is arranged on the rack in a rotating mode, a driven wheel is coaxially arranged on the driven shaft, the driving wheel is connected with the driven wheel through a belt, a rotating block is arranged on the side wall of the driven shaft and on the side far away from the driven wheel, an eccentric shaft is arranged on the side wall of the rotating block, the axis of the eccentric shaft is parallel to the axis of the driven shaft, a linkage rod is rotatably arranged on the side wall of the eccentric shaft, and a moving rod connected with the positioning seat is rotatably arranged at one end, far away from the eccentric shaft, of the linkage rod;

the frame is provided with two fixing rods, and the side wall of the positioning seat is provided with a through hole which slides on the fixing rods.

Through adopting above-mentioned technical scheme, when the reamer is polished to the earhole of universal joint fork, utilize the motor drive driving shaft that slides, action wheel, driven shaft, from driving wheel and belt rotation to can drive the turning block and rotate, and then drive the eccentric shaft and rotate, drive trace and carriage release lever removal then, thereby can promote the positioning seat and slide along the dead lever, thereby universal joint fork can slide on the reamer and polish, be favorable to reducing the wearing and tearing to the reamer

Preferably, a sliding groove is formed in the side wall of the rotating block, a sliding block sliding in the sliding groove is arranged on the side wall of the eccentric shaft, a bolt extending into the sliding groove and connected with the sliding block in a threaded manner is arranged on the side wall of the rotating block, a sliding groove is formed in the groove wall of the sliding groove, a locking rod sliding on the sliding groove is arranged on the side wall of the sliding block, and a locking nut is arranged on the side wall of the locking rod.

Through adopting above-mentioned technical scheme, utilize sliding block and bolt threaded connection to can rotate the bolt, drive the sliding block and slide at the inslot that slides, drive simultaneously and lock and slide along the spout, adjust the back that finishes, lock nut, with this eccentric distance that can adjust between eccentric shaft and the driven shaft, thereby can change the positioning seat sliding distance, with this reamer that can adapt to different length.

Preferably, the rack is provided with a material storage rod for the ear holes of the universal joint forks to be sleeved in, the side wall of the material storage rod is provided with two oppositely arranged positioning strips, and a limiting space for the universal joint forks to extend into is reserved between the two positioning strips;

the frame is provided with a support cylinder, the end wall of a piston rod of the support cylinder is provided with a support plate, the support plate is in contact with the side wall of the universal joint fork positioned at the lowest part, the frame is provided with an insertion cylinder positioned at one side of the support cylinder far away from the material storage rod, and the end wall of the piston rod of the insertion cylinder is provided with an insertion rod inserted into a base hole of the last but one universal joint fork;

the improved pneumatic clamping device is characterized in that a feeding cylinder is arranged on the rack, a lifting cylinder is arranged on the end wall of a piston rod of the feeding cylinder, a mounting plate is arranged on the end wall of the piston rod of the lifting cylinder, a rotating motor is arranged on one side, away from the lifting cylinder, of the mounting plate, a rotating shaft is arranged on a motor shaft of the rotating motor, a pneumatic clamping finger is arranged on one side, away from the rotating motor, of the rotating shaft, and clamping plates used for clamping a base of a universal joint fork at the bottom of the clamping are arranged on the two clamping fingers of the pneumatic clamping finger.

By adopting the technical scheme, a plurality of universal joint forks are sleeved on the material storage rod, the supporting cylinder pushes the supporting plate to extend out, so that the universal joint forks are fixed on the material storage rod, when the material needs to be loaded, the inserting rod is pushed to be inserted into a base hole of the last but one universal joint fork by the inserting cylinder, the rotating motor is rotated to drive the rotating shaft and the pneumatic clamping fingers to rotate, the lifting cylinder pushes the pneumatic clamping fingers to move to two sides of the base of the lowest universal joint fork, the pneumatic clamping fingers push the clamping plate to clamp the base of the lowest universal joint fork, the lifting cylinder moves downwards again, the clamping plate drives the lowest universal joint fork to be separated from the material storage rod, at the moment, the supporting cylinder pushes the supporting plate to extend out, the inserting cylinder drives the inserting rod to move backwards, the universal joint forks move downwards along the limiting space, and the supporting plate supports the universal joint forks, so that the material can be loaded and polished one by one; the universal joint fork moves downwards along the limiting space, so that the possibility of deflection between the inserted rod and a base hole of the universal joint fork can be reduced;

the rotation motor drives the axis of rotation again, thereby it indicates and splint rotate to drive pneumatic clamp, simultaneously with the ninety degrees of universal joint fork upset, aim at the reamer with the earhole of universal joint fork, recycle the material loading cylinder and promote the lift cylinder and remove, thereby can install the earhole cover of universal joint fork on the reamer, install the universal joint fork on the reamer with this can convenient and fast, the working method of manual material loading of workman has been replaced, and work efficiency is improved, and the work time is shortened, and the work burden of the workman is reduced.

Preferably, a supporting block is arranged on one side, away from the supporting plate, of the material storage rod, a fixing plate in contact with the supporting block is arranged on the rack, and a clamping notch for the material storage rod to be inserted is formed in the side wall of the fixing plate;

the material storage device is characterized in that a pushing cylinder is arranged on the rack, a movable plate is arranged on the end wall of a piston rod of the pushing cylinder, an arc-shaped notch used for clamping the material storage rod is arranged on the side wall of the movable plate, the arc-shaped notch and the clamping notch are oppositely arranged, and a guide rod for the movable plate to slide is arranged on the fixed plate.

Through adopting above-mentioned technical scheme, after the output of universal joint fork on the material stock pole finishes, pass the cylinder and drive the movable plate and shift backward, loosen the supporting shoe, shift out the guide bar between arc breach and the centre gripping breach, insert between arc breach and the centre gripping breach with new material stock pole, pass the cylinder and promote the movable plate and remove along the guide bar to this change that can convenient and fast deposits the pole.

Preferably, a blanking rod for sleeving the lug hole of the universal joint fork is arranged on the machine frame and below the reamer.

By adopting the technical scheme, after the reamer polishes the lug hole of the universal joint fork, the limiting cylinder drives the limiting plate to move backwards, the material pushing cylinder pushes the universal joint fork to be separated from the locating plate, the locating cylinder drives the locating rod to be separated from the base hole of the universal joint fork, the feeding cylinder pushes the pneumatic clamping finger to be pushed towards one side of the reamer, the pneumatic clamping finger drives the clamping plate to clamp the base of the universal joint fork, the feeding cylinder moves backwards again, the rotating motor drives the rotating shaft to rotate, so that the pneumatic clamping finger and the universal joint fork are driven to rotate, the universal joint fork rotates ninety degrees, the lug hole of the universal joint fork is aligned with the discharging rod, the lifting cylinder drives the pneumatic clamping finger to move downwards, so that the lug hole of the universal joint fork can be sleeved on the discharging rod, the material pushing cylinder drives the locating plate to move backwards, the clamping plate is separated from the base of the universal joint fork, the universal joint fork can be conveniently and quickly discharged, and the working mode of manual discharging of workers is replaced, the working efficiency is improved.

Preferably, a bottom plate is arranged on the bottom wall of the blanking rod, a positioning block is arranged on one side, away from the blanking rod, of the bottom plate, a mounting seat is arranged on one side, away from the blanking rod, of the bottom plate, and a positioning hole for inserting the positioning block is formed in the mounting seat.

Through adopting above-mentioned technical scheme, after unloading pole is full of, lift the unloading pole, break away from the locating hole with the locating piece, insert the locating piece on the new unloading pole in the locating hole to can convenient and fast more change the unloading pole, also can reduce the possibility that takes place the incline between unloading pole and the pneumatic clamp finger, make things convenient for the universal joint fork pocket on the unloading pole.

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

1. firstly, two lug holes of a universal joint fork are sleeved on a reamer, the universal joint fork is fixed by a positioning assembly, and a grinding motor drives a driving belt wheel, a driven belt wheel and a conveying belt to rotate so as to drive the reamer to rotate, so that the lug holes on the two universal joint forks can be simultaneously ground, and the possibility of deviation of the concentricity of the two lug holes is favorably reduced;

2. the sliding motor is utilized to drive the driving wheel, the driven wheel, the belt, the rotating block, the eccentric shaft and the linkage rod to rotate, so that the moving rod is driven to move, and the positioning seat is driven to move, so that the universal joint fork can be driven to move back and forth while the reamer polishes the universal joint fork, the possibility of damage to a local blade of the reamer is reduced, and the service life of the reamer is prolonged;

3. utilize sliding block and screw rod threaded connection to can adjust the position of sliding block, screw up lock nut again, thereby can adjust the distance that the carriage release lever removed, be favorable to adapting to the reamer of different length.

Drawings

Fig. 1 is a schematic structural diagram of a universal joint yoke lug hole polishing device according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a grinding motor and a reamer in an embodiment.

Fig. 3 is a schematic structural diagram showing a material storage rod, a support cylinder, a rotating motor, a lifting motor, a feeding motor and a cylinder clamp finger in the embodiment.

Fig. 4 is a schematic structural view of an arc-shaped surface in the embodiment.

FIG. 5 is a schematic structural diagram of a positioning assembly in an embodiment.

FIG. 6 is a schematic structural diagram of a turning block in an embodiment.

Fig. 7 is a schematic view showing an explosion structure of the blanking class and the mounting seat in the embodiment.

Description of reference numerals: 01. a universal joint yoke; 1. a frame; 2. polishing the motor; 20. rotating the rod; 21. a driving pulley; 22. a driven pulley; 23. a conveyor belt; 24. a reamer; 3. a positioning assembly; 30. positioning seats; 31. positioning a plate; 32. fixing the air cylinder; 33. a limiting cylinder; 34. a limiting plate; 35. a material pushing cylinder; 36. positioning the air cylinder; 37. positioning a rod; 38. a slip motor; 39. a drive shaft; 300. a driving wheel; 301. a driven shaft; 302. a driven wheel; 303. a belt; 304. rotating the block; 305. an eccentric shaft; 306. a linkage rod; 307. a travel bar; 308. fixing the rod; 309. a through hole; 310. a sliding groove; 311. a sliding block; 312. a bolt; 313. a chute; 314. a locking lever; 315. locking the nut; 316. rotating the notch; 4. a material storage rod; 40. a positioning bar; 41. a limiting space; 42. a support cylinder; 43. a support plate; 44. the insert cylinder of (1); 45. inserting a rod; 46. a feeding cylinder; 47. a lifting cylinder; 48. mounting a plate; 49. rotating the motor; 400. a rotating shaft; 401. pneumatic clamping fingers; 402. a splint; 403. an arc-shaped surface; 404. a support block; 405. a fixing plate; 406. clamping the notch; 407. a pushing cylinder; 408. moving the plate; 409. an arc-shaped notch; 410. a guide bar; 5. a blanking rod; 50. a base plate; 51. positioning blocks; 52. a mounting seat; 53. and (7) positioning the holes.

Detailed Description

The embodiment of the application discloses universal joint fork earhole grinding device.

Referring to fig. 1 and 2, a universal joint fork ear hole polishing device comprises a frame 1, a positioning assembly 3 for fixing a universal joint fork 01 is arranged on the frame 1, a polishing motor 2 is arranged on the frame 1, a rotating rod 20 is coaxially arranged on a motor shaft of the polishing motor 2, a driving belt wheel 21 is coaxially arranged on the rotating rod 20, a driven belt wheel 22 is rotatably arranged on the frame 1, the driving belt wheel 21 and the driven belt wheel 22 are connected through a conveying belt 23, a reamer 24 for polishing ear holes of the two universal joint forks 01 is arranged on the driven belt wheel 22, and the reamer 24 is horizontally arranged; when the earhole of universal joint fork 01 needs to be polished, firstly, two earholes of universal joint fork 01 are sleeved on the reamer 24, the positioning component 3 fixes the universal joint fork 01, the grinding motor 2 is utilized to drive the driving belt wheel 21, the driven belt wheel 22 and the conveying belt 23 to rotate, so that the reamer 24 is driven to rotate, two earholes of the universal joint fork 01 can be simultaneously polished, and the possibility of concentricity deviation between the two earholes is favorably reduced.

Referring to fig. 3, a fixed plate 405 is disposed on the frame 1 and above the reamer 24, a clamping gap 406 is disposed on the fixed plate 405, guide rods 410 are disposed on the fixed plate 405 and on two sides of the clamping gap 406, a push cylinder 407 is disposed on the frame 1, an axis of the push cylinder 407 is parallel to an axis of the reamer 24, a moving plate 408 is disposed on a piston rod end wall of the push cylinder 407, an arc gap 409 is disposed on one side of the moving plate 408 away from the push cylinder 407, the arc gap 409 and the clamping gap 406 are oppositely disposed and jointly form a circular opening, a stock rod 4 for a plurality of universal joint forks 01 to be inserted into is disposed between the arc gap 409 and the clamping gap 406, an axis of the stock rod 4 is perpendicular to the axis of the reamer 24, a support block 404 is disposed on a top wall of the stock rod 4, the support block 404 is in contact with the fixed plate 405 and the moving plate 408, two positioning strips 40 are disposed on the stock rod 4, a limit space 41 for the universal joint yoke 01 to extend into is reserved between the two positioning strips 40.

Referring to fig. 3, a support cylinder 42 is arranged on the frame 1 and below the fixing plate 405, a support plate 43 is arranged on the end wall of a piston rod of the support cylinder 42, the support plate 43 contacts with the side wall of the lowest universal joint fork 01 on the material storage rod 4, an insertion cylinder 44 is arranged on the frame 1 and on one side of the material storage rod 4 away from the support cylinder 42, the axis of the insertion cylinder 44 is parallel to the axis of the support cylinder 42, an insertion rod 45 inserted into a base hole of the last but one universal joint fork 01 is arranged on the end wall of the piston rod of the insertion cylinder 44, and the diameter of the insertion rod 45 is smaller than the inner diameter of the base hole of the universal joint fork 01, so that the insertion rod 45 can be conveniently inserted; when feeding is needed, a plurality of lug holes of the universal joint fork 01 are sleeved on the material storage rod 4, and the universal joint fork 01 is inserted between the two positioning strips 40, so that the possibility of deflection between the inserted rod 45 and a base hole of the universal joint fork 01 can be reduced, and the inserted rod 45 can be conveniently inserted into the base hole of the universal joint fork 01 by the inserting cylinder 44; insert material stock pole 4 between arc breach 409 and the centre gripping breach 406 to with the supporting shoe 404 take on fixed plate 405 and movable plate 408, thereby material stock pole 4 is deposited in installation that can convenient and fast, recycle and support cylinder 42 and stretch out backup pad 43, with material stock pole 4 go up the universal joint fork 01 contact of below, thereby can fix a plurality of universal joint forks 01 on material stock pole 4.

Referring to fig. 3 and 4, a feeding cylinder 46 is arranged below a supporting cylinder 42 on the frame 1, the axis of the feeding cylinder 46 is parallel to the axis of the reamer 24, the piston rod of the feeding cylinder 46 extends to one side of the reamer 24, a lifting cylinder 47 is arranged on the end wall of the piston rod of the feeding cylinder 46, the axis of the lifting cylinder 47 is perpendicular to the axis of the feeding cylinder 46, the piston rod of the lifting cylinder 47 extends to one side of the stock rod 4, an installation plate 48 is arranged on the end wall of the piston rod of the lifting cylinder 47, a rotating motor 49 is arranged on one side, away from the lifting cylinder 47, of the installation plate 48, a rotating shaft 400 is coaxially arranged on the motor shaft of the rotating motor 49, the axis of the rotating shaft 400 is perpendicular to the axis of the reamer 24, and a pneumatic clamping finger 401 is arranged at one end, away from the rotating motor 49, of the rotating shaft 400.

Referring to fig. 3 and 4, clamping plates 402 for clamping the base of the lowermost universal joint fork 01 on the material storage rod 4 are arranged on opposite side walls of two clamping fingers of the pneumatic clamping finger 401, the clamping plates 402 can be rubber clamping plates, and arc-shaped surfaces 403 attached to the peripheral wall of the base of the universal joint fork 01 are arranged on opposite side walls of the two clamping plates 402; when blanking is needed, the inserting rod 45 is pushed by the inserting cylinder 44 to be inserted into a base hole of the last but one universal joint fork 01, the rotating motor 49 firstly drives the rotating shaft 400 and the pneumatic clamping finger 401 to rotate, the lifting cylinder 47 pushes the mounting plate 48 to move upwards, the clamping plates 402 move two sides of the base of the lowest universal joint fork 01, the pneumatic clamping finger 401 drives the two clamping plates 402 to move relatively, the two clamping plates 402 wrap the peripheral wall of the base of the universal joint fork 01, the supporting cylinder 42 drives the supporting plate 43 to move backwards, so that the lowest universal joint fork 01 on the material storage rod 4 can be loosened, the lifting cylinder 47 drives the mounting plate 48 to move downwards, the lowest universal joint fork 01 on the material storage rod 4 is separated from the material storage rod 4, at the moment, the supporting cylinder 42 pushes the supporting plate 43 to move forwards, the inserting cylinder 44 drives the inserting rod 45 to move backwards to be separated from the base hole of the universal joint fork 01, the universal joint fork 01 moves downwards and falls on the supporting plate 43, therefore, the universal joint forks 01 can be output one by one for grinding.

Referring to fig. 3 and 4, after lifting cylinder 47 moves down, rotation motor 49 drives axis of rotation 400 and rotates, thereby it rotates to drive pneumatic clamp finger 401, and then drive universal joint fork 01 to reamer 24's one side ninety degrees of upset, the ear hole axis of universal joint fork 01 and the axis collineation of reamer 24 this moment, material loading cylinder 46 promotes lifting cylinder 47 again and removes, and then drive universal joint fork 01 and remove, with this can be with two ear hole cover of universal joint fork 01 on reamer 24, with this can be automatic with universal joint fork 01 cover on reamer 24, replace the mode of workman manual installation, alleviate workman work burden, and the work efficiency is improved, and the working time is shortened.

Referring to fig. 5 and 6, the positioning assembly 3 includes a sliding motor 38 disposed on the frame 1 and located at one side of the grinding motor 2, a driving shaft 39 is disposed on a motor shaft of the sliding motor 38, the driving shaft 39 is coaxially disposed with a driving wheel 300, an axis of the driving shaft 39 is perpendicular to an axis of the reamer 24, a driven shaft 301 is rotatably disposed on the frame 1, a driven wheel 302 is coaxially disposed on the driven shaft 301, the driven wheel 302 and the driving wheel 300 are connected by a belt 303, a rotating block 304 is disposed at one side of the driven shaft 301 away from the driven wheel 302, a sliding slot 310 is disposed on a side wall of the rotating block 304, a bolt 312 is disposed on a side wall of the rotating block 304, the bolt 312 extends into the sliding slot 310 and is rotatably connected with a slot wall of the sliding slot 310, a sliding block 311 is threadedly connected to the bolt 312, an eccentric shaft 305 is disposed on the sliding block 311, an axis of the eccentric shaft 305 is staggered and parallel to an axis of the driven shaft 301, a sliding slot 313 is disposed on a slot wall of the sliding slot 310, the side wall of the slide block is provided with a locking rod 314 extending out of the sliding groove 313, and one end of the locking rod 314 extending out of the sliding groove 313 is connected with a locking nut 315 in a threaded manner.

Referring to fig. 5 and 6, a linkage rod 306 is rotatably disposed on the eccentric shaft 305, a movable rod 307 is rotatably connected to one end of the linkage rod 306 away from the eccentric shaft 305, a positioning seat 30 is disposed at one end of the movable rod 307 away from the eccentric shaft 305, a rotation notch 316 for the reamer 24 to extend into is disposed on the positioning seat 30, fixing rods 308 are disposed on the rack 1 and located at two sides of the positioning seat 30, and a through hole 309 for the fixing rod 308 to slide is disposed on the positioning seat 30; thereby increasing the stability of the movement of the positioning seat 30; when the adjustment is needed, the bolt 312 is rotated to drive the sliding block 311 to slide in the sliding groove 310, and simultaneously the locking rod 314 is driven to slide in the sliding groove 313, and after the adjustment of the sliding block 311 is completed, the locking nut 315 is screwed down, so that the distance between the eccentric shaft 305 and the driven shaft 301 can be conveniently and rapidly adjusted, the sliding distance of the positioning seat 30 can be changed, and the reamer 24 with different lengths can be adapted.

Referring to fig. 5 and 6, a positioning plate 31 is arranged on one side of the positioning seat 30 away from the moving rod 307, a fixed cylinder 32 is arranged on one side of the positioning seat 30 on the positioning plate 31, the axis of the fixed cylinder 32 is parallel to the reamer 24, a limit cylinder 33 is arranged on the end wall of the piston rod of the fixed cylinder 32, the axis of the limit cylinder 33 is perpendicular to the axis of the reamer 24, a limit plate 34 is arranged on the end wall of the piston rod of the limit cylinder 33, and the limit plate 34 is arranged opposite to the positioning plate 31.

Referring to fig. 4 and 5, a material pushing cylinder 35 is arranged on the positioning seat 30 and below the reamer 24, the axis of the material pushing cylinder 35 is parallel to the axis of the reamer 24, a positioning cylinder 36 is arranged on the end wall of a piston rod of the material pushing cylinder 35, the axes of the positioning cylinders 36 are all perpendicular to the axis of the reamer 24 and the axis of the limiting cylinder 33, and a positioning rod 37 inserted into a base hole of the universal joint yoke 01 is arranged on the end wall of the piston rod of the positioning cylinder 36; after splint 402 overlaps two earholes of universal joint fork 01 on reamer 24, spacing cylinder 33 promotes limiting plate 34 and stretches out, and fixed cylinder 32 drives spacing cylinder 33 and moves backward, thereby limiting plate 34 drives universal joint fork 01 and contradicts on locating plate 31, recycles location cylinder 36 and promotes the locating lever 37 and stretch out, and locating lever 37 inserts in the base of universal joint fork 01 downtheholely to this can be with the stable fixing on reamer 24 of universal joint fork 01, improves the stability of polishing reamer 24.

Referring to fig. 5 and 6, during polishing, the reamer 24 is driven to rotate by the polishing motor 2, and the driving shaft 39, the driving wheel 300, the driven shaft 301, the driven wheel 302 and the belt 303 are driven to rotate by the sliding motor 38, so as to drive the rotating block 304, the eccentric shaft 305 and the linkage 306 to rotate, further drive the moving rod 307 and the positioning seat 30 to slide, further drive the universal joint fork 01 to slide on the reamer 24, so that the reamer 24 can be uniformly worn, and the service life of the reamer 24 is prolonged.

Referring to fig. 7, a mounting seat 52 is arranged on the frame 1 and below the reamer 24, a positioning hole 53 is arranged on the mounting seat 52, a bottom plate 50 is arranged on the mounting seat 52, a positioning block 51 inserted into the positioning hole 53 is arranged on the bottom plate 50, a blanking rod 5 for being sleeved in an ear hole of the universal joint fork 01 is arranged on one side of the bottom plate 50 away from the positioning block 51, the axis of the blanking rod 5 is parallel to the material storage rod 4 and is perpendicular to the axis of the reamer 24, and the axis of the blanking rod 5, the axis of the material storage rod 4 and the axis of the reamer 24 are located on the same plane; after the two lug holes of the universal joint fork 01 are polished, the limiting cylinder 33 drives the limiting plate 34 to reset, the universal joint fork 01 is loosened, the pushing cylinder 35 pushes the positioning cylinder 36 to move, so that the universal joint fork 01 is driven to move towards one side away from the positioning plate 31, the positioning cylinder 36 drives the positioning rod 37 to move downwards to be separated from the hole of the base of the universal joint fork 01, at the moment, the feeding cylinder 46 is utilized to drive the pneumatic clamping finger 401 to move towards one side of the reamer 24, the clamping plate 402 is moved to two sides of the base of the universal joint fork 01, the pneumatic clamping finger 401 drives the clamping plate 402 to move relatively to clamp the base of the universal joint fork 01, the feeding cylinder 46 drives the universal joint fork 01 to move backwards so as to be separated from the reamer 24, the rotating motor 49 drives the rotating shaft 400 and the pneumatic clamping finger 401 to rotate ninety degrees towards one side of the lower feed rod 5, the lug hole of the universal joint fork 01 is aligned with the lower feed rod 5, the lifting cylinder 47 drives the pneumatic clamping finger 401 to move downwards, therefore, the earhole of the universal joint fork 01 can be sleeved on the blanking rod 5, the feeding cylinder 46 drives the pneumatic clamping finger 401 to move backwards, the clamping plate 402 is separated from the base of the universal joint fork 01, the universal joint fork 01 can fall on the blanking rod 5, and therefore automatic discharging can be achieved, the working mode that workers manually discharge materials is replaced, the work load of the workers is reduced, the working time is shortened, and the working efficiency is improved; after the plurality of universal joint forks 01 are neatly sleeved on the blanking rod 5, the universal joint forks 01 can be conveniently processed by workers, the working time for the workers to manually pick up the universal joint forks 01 and then process the universal joint forks is shortened, and the working efficiency is improved.

Referring to fig. 7, after the blanking rod 5 is completely installed, the blanking rod 5 is moved upwards to separate the positioning block 51 from the positioning hole 53, and then the positioning hole 53 on the new blanking rod 5 is inserted into the positioning hole 53, so that the blanking rod 5 can be replaced conveniently and quickly, and the positioning block 51 on the blanking rod 5 is inserted into the positioning hole 53, so that the possibility of deviation between the blanking rod 5 and the pneumatic clamping finger 401 can be realized, and the universal joint fork 01 can be conveniently sleeved on the blanking rod 5.

The implementation principle of the universal joint fork ear hole grinding device in the embodiment of the application is as follows: with 01 both ears hole cover of universal joint fork on reamer 24, fix universal joint fork 01 through locating component 3, recycle grinding motor 2 and drive driving pulley 21, driven pulley 22 and conveyer belt 23 rotation in proper order to drive reamer 24 and rotate, can polish to the ear hole on two universal joint forks 01 simultaneously with this, be favorable to reducing the possibility that the concentricity in the both ears hole of universal joint fork 01 takes place the skew.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a universal joint fork earhole grinding device which characterized in that: the grinding machine comprises a rack (1), a grinding motor (2) arranged on the rack (1), a rotating rod (20) arranged on a motor shaft of the grinding motor (2), a driving belt wheel (21) arranged on the rotating rod (20) and a driven belt wheel (22) arranged on the rack (1), wherein the driving belt wheel (21) and the driven belt wheel (22) are connected through a conveying belt (23), a reamer (24) used for grinding ear holes of two universal joint forks (01) is arranged on the driven belt wheel (22), and a positioning assembly (3) used for fixing the universal joint forks (01) is arranged on the rack (1);

a sliding motor (38) is arranged on the frame (1), a driving shaft (39) is arranged on a motor shaft of the sliding motor (38), a driving wheel (300) is arranged on the side wall of the driving shaft (39), a driven shaft (301) is arranged on the frame (1) in a rotating way, a driven wheel (302) is coaxially arranged on the driven shaft (301), the driving wheel (300) is connected with the driven wheel (302) through a belt (303), a rotating block (304) is arranged on one side of the side wall of the driven shaft (301) and far away from the driven wheel (302), an eccentric shaft (305) is arranged on the side wall of the rotating block (304), the axis of the eccentric shaft (305) is parallel to the axis of the driven shaft (301), a linkage rod (306) is rotatably arranged on the side wall of the eccentric shaft (305), and a moving rod (307) connected with the positioning seat (30) is rotatably arranged at one end, far away from the eccentric shaft (305), of the linkage rod (306);

two fixing rods (308) are arranged on the rack (1), and through holes (309) which slide on the fixing rods (308) are formed in the side wall of the positioning seat (30).

2. The universal joint yoke lug hole grinding device according to claim 1, characterized in that: the positioning assembly (3) comprises a positioning seat (30) arranged on the rack (1), a positioning plate (31) in contact with the side wall of the universal joint fork (01) is arranged on the positioning seat (30), a fixed cylinder (32) is arranged on the side wall of the positioning seat (30), a limiting cylinder (33) is arranged on the end wall of a piston rod of the fixed cylinder (32), the axis of the piston rod of the limiting cylinder (33) is perpendicular to the axis of the reamer (24), a limiting plate (34) abutting against the side wall of the universal joint fork (01) is arranged on the end wall of the piston rod of the limiting cylinder (33), and the limiting plate (34) and the positioning plate (31) are arranged oppositely;

the reamer locating device is characterized in that a material pushing cylinder (35) is arranged on the locating seat (30) and below the reamer (24), the axis of the material pushing cylinder (35) is parallel to the axis of the reamer (24), a locating cylinder (36) is arranged on the end wall of a piston rod of the material pushing cylinder (35), the axis of the locating cylinder (36) is perpendicular to the axis of the reamer (24) and the axis of the limiting cylinder (33), and a locating rod (37) used for inserting into a base hole of the universal joint fork (01) is arranged on the end wall of the piston rod of the locating cylinder (36).

3. The universal joint yoke lug hole grinding device according to claim 1, characterized in that: the side wall of the rotating block (304) is provided with a sliding groove (310), the side wall of the eccentric shaft (305) is provided with a sliding block (311) which slides in the sliding groove (310), the side wall of the rotating block (304) is provided with a bolt (312) which extends into the sliding groove (310) and is in threaded connection with the sliding block (311), the groove wall of the sliding groove (310) is provided with a sliding groove (313), the side wall of the sliding block (311) is provided with a locking rod (314) which slides on the sliding groove (313), and the side wall of the locking rod (314) is provided with a locking nut (315).

4. The universal joint yoke lug hole grinding device according to claim 1, characterized in that: the material storage device is characterized in that a material storage rod (4) for the ear holes of a plurality of universal joint forks (01) to be sleeved in is arranged on the rack (1), two positioning strips (40) which are oppositely arranged are arranged on the side wall of the material storage rod (4), and a limiting space (41) for the universal joint forks (01) to extend into is reserved between the two positioning strips (40);

a support cylinder (42) is arranged on the rack (1), a support plate (43) is arranged on the end wall of a piston rod of the support cylinder (42), the support plate (43) is in contact with the side wall of the universal joint fork (01) positioned at the lowest part, an insertion cylinder (44) is arranged on the rack (1) and positioned at one side, far away from the material storage rod (4), of the support cylinder (42), and an insertion rod (45) inserted into a base hole of the universal joint fork (01) which is the second last to last is arranged on the end wall of the piston rod of the insertion cylinder (44);

be equipped with material loading cylinder (46) on frame (1), be equipped with lift cylinder (47) on the end wall of material loading cylinder (46) piston rod, be equipped with mounting panel (48) on the piston rod end wall of lift cylinder (47), one side that lift cylinder (47) were kept away from in mounting panel (48) is equipped with rotation motor (49), be equipped with axis of rotation (400) on the motor shaft of rotation motor (49), one side that rotation motor (49) were kept away from in axis of rotation (400) is equipped with pneumatic clamp and indicates (401), pneumatic clamp indicates that two clamp of (401) indicate and is equipped with splint (402) that are used for the base of centre gripping below universal joint fork (01).

5. The universal joint yoke lug hole grinding device according to claim 4, wherein: a supporting block (404) is arranged on one side, away from the supporting plate (43), of the material storage rod (4), a fixing plate (405) which is in contact with the supporting block (404) is arranged on the rack (1), and a clamping notch (406) for the material storage rod (4) to be inserted into is arranged on the side wall of the fixing plate (405);

be equipped with on frame (1) and pass cylinder (407), be equipped with movable plate (408) on the piston rod end wall of passing cylinder (407), be equipped with arc breach (409) that are used for centre gripping material stock pole (4) on the lateral wall of movable plate (408), arc breach (409) and centre gripping breach (406) set up relatively, be equipped with guide bar (410) that supply movable plate (408) to slide on fixed plate (405).

6. The universal joint yoke lug hole grinding device according to claim 1, characterized in that: and a blanking rod (5) which is used for being sleeved with an ear hole of the universal joint fork (01) is arranged on the rack (1) and below the reamer (24).

7. The universal joint yoke lug hole grinding device according to claim 6, wherein: be equipped with bottom plate (50) on the diapire of unloading pole (5), one side that unloading pole (5) were kept away from in bottom plate (50) is equipped with locating piece (51), one side that unloading pole (5) were kept away from in bottom plate (50) is equipped with mount pad (52), be equipped with on mount pad (52) and supply locating piece (51) male locating hole (53).