CN219152545U

CN219152545U - End surface polishing device for universal joint sleeve

Info

Publication number: CN219152545U
Application number: CN202320130561.8U
Authority: CN
Inventors: 朱伟良; 朱凯楠
Original assignee: Hangzhou Lvhe Auto Parts Co ltd
Current assignee: Hangzhou Lvhe Auto Parts Co ltd
Priority date: 2023-01-14
Filing date: 2023-01-14
Publication date: 2023-06-09
Anticipated expiration: 2033-01-14

Abstract

The utility model discloses a polishing device for the end face of a universal joint sleeve, which comprises the following components: the grinding machine, the upper surface of grinding machine is provided with the shell of polishing, the inside rotation of shell of polishing is connected with the emery wheel, the lateral surface fixedly connected with motor of shell of polishing, the output of motor and the middle part fixed connection of emery wheel, be provided with the blown down tank on the grinding machine. According to the utility model, the pressing block is pressed down to drive the clamping shaft to move downwards, the clamping shaft presses down the spring, the spring is slowly compressed, the clamping shaft is far away from the limiting hole, the lower pressing block and the upper pressing block rotate along the limiting shaft, the upper pressing block rotates along the output end of the air cylinder to realize the rotation of the universal joint, the pressing block is loosened after the rotation, the spring presses the clamping shaft upwards, the clamping shaft is clamped into the limiting hole, the rotation direction of the universal joint is fixed, the universal joint is not required to be taken out, and the steering is realized.

Description

End surface polishing device for universal joint sleeve

Technical Field

The utility model relates to the technical field of polishing of universal joints, in particular to a polishing device for end faces of universal joint sleeves.

Background

The cross shaft universal joint consists of universal joint fork, cross shaft, needle bearing, oil seal, oil nozzle, etc. After the cross shaft is produced, four journals are required to be turned around in four directions of the cross shaft by a lathe and used for installing the needle bearings; in addition, in order to improve the accuracy and the service life of the cross shaft, the end face of the shaft sleeve of the cross shaft needs to be polished on a grinder.

Through searching, application number: 202022659102.8 provided "a universal joint cross axle grinding device", through switching-over cylinder and swing cylinder cooperation use, polish the cross axle fast, whole process has both labour saving and time saving, has improved the production efficiency of cross axle again, has simple structure, convenient operation and labour saving and time saving's advantage, but has following problem:

1. after polishing one end of the cross shaft, the cross shaft needs to be turned by adopting a reversing cylinder, and the turned cross shaft needs to leave the pressed groove and be put into the groove again, so that the trouble of taking out the cross shaft for reversing is increased.

2. The contact between the end face of the cross shaft and the grinding wheel is offset, so that polishing is uneven, and meanwhile, the reversing cylinder is adopted, so that cost investment is increased.

Disclosure of Invention

In order to overcome the defects in the prior art, the steering cross shaft needs to leave the pressed groove and be put into the groove again, and the deviation between the pressed cross shaft and the original placement position easily occurs. Through pushing down the press block, the press block drives the card axle and moves down, and the card axle keeps away from spacing hole, through rotating lower briquetting, go up the briquetting, realizes rotating the universal joint, loosens the press block after rotating, and the spring extrudees the card axle upwards, and the card axle card goes into spacing downthehole, realizes fixing the rotation direction of universal joint, realizes not needing to take out the universal joint, just realizes turning to.

One of the purposes of the utility model is realized by adopting the following technical scheme:

a joint sleeve end face grinding device, comprising: the grinding machine comprises a grinding machine, wherein the upper surface of the grinding machine is provided with a grinding shell, a grinding wheel is rotationally connected in the grinding shell, a motor is fixedly connected to the outer side surface of the grinding shell, the output end of the motor is fixedly connected with the middle part of the grinding wheel, and a discharge chute is arranged on the grinding machine;

the upper side of the grinding machine is provided with a workbench, the upper surface wall of the workbench in the grinding machine is provided with a sliding groove, the inside of the sliding groove is connected with a sliding block in a sliding manner, the rear side surface of the sliding block is fixedly connected with a removing block, the upper surface of the sliding block is fixedly connected with a limiting shaft, the upper end of the limiting shaft is provided with a pressing device, the pressing device comprises a pressing block, the lower surface wall of the pressing block is provided with a limiting groove in the middle part, the pressing block is sleeved into the upper end of the limiting shaft through the limiting groove, the lower surface wall of the pressing block is provided with four limiting holes, and the limiting holes are uniformly distributed around the limiting groove;

the upper side of slider is provided with the restriction briquetting pivoted stop gear down, the upside of briquetting is provided with the briquetting down, it has the universal joint to go up the briquetting and extrude down between the briquetting, the lateral wall fixedly connected with link of slider, the upper end fixed mounting of link has the cylinder, the output and the last briquetting of cylinder rotate to be connected.

According to the polishing device for the end face of the universal joint sleeve, the discharging chute is positioned right below the polishing shell. The polished sundries are conveniently contained.

According to the polishing device for the end face of the universal joint shaft sleeve, the rear end of the sliding chute is communicated with the discharging chute, and a baffle for limiting the sliding block to move backwards is fixedly connected to the upper end of the communicating part of the sliding chute and the discharging chute. The baffle is used for limiting the movement of the sliding block.

According to the polishing device for the end face of the universal joint shaft sleeve, the limiting mechanism comprises a clamping sleeve, the clamping sleeve is fixedly connected with the sliding block, a clamping shaft is slidably connected to the inner side face of the clamping sleeve, and the clamping shaft is mutually matched with the limiting hole. The limiting of the rotation direction of the lower pressing block is realized through the clamping shaft.

According to the polishing device for the end face of the universal joint shaft sleeve, the pressing block is fixedly connected with the outer side face of the clamping shaft and penetrates through the clamping sleeve and is in sliding connection with the clamping sleeve, and a spring is fixedly connected between the clamping shaft and the bottom wall of the clamping sleeve. The clamping shaft is driven to move upwards by the spring.

According to the polishing device for the end face of the universal joint shaft sleeve, the side, facing each other, of the upper pressing block and the lower pressing block is provided with a placing groove, and a universal joint is arranged in the placing groove. The universal joint is placed through the placing groove.

According to the polishing device for the end face of the universal joint sleeve, the connecting frame is U-shaped.

The scheme has the beneficial effects that: through put into the standing groove of briquetting down with the universal joint, drive the briquetting through the cylinder and extrude towards briquetting down to compress tightly the universal joint, remove the slider towards the rear side, make the terminal surface and the emery wheel of universal joint rear side remove, polish the terminal surface of universal joint through the emery wheel.

When needs are polished to the terminal surface of universal joint difference, through pushing down the pressing block, the pressing block drives the card axle and moves down, and the card axle pushes down the spring, and the spring compresses slowly, and spacing hole is kept away from to the card axle, through rotating down briquetting, go up the briquetting, and the briquetting rotates along spacing axle down, goes up the briquetting and rotates along the output of cylinder, realizes rotating the universal joint, loosens after rotating and presses the briquetting, and the spring extrudees on the card axle, and the card axle card is gone into spacing downthehole, realizes fixing the rotation direction of universal joint, realizes not needing to take out the universal joint, just realizes turning to.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a block diagram of a joint sleeve end face grinding apparatus of the present utility model;

FIG. 2 is a front view of a joint sleeve end face grinding apparatus of the present utility model;

FIG. 3 is a cross-sectional view of a joint sleeve end face grinding apparatus of the present utility model;

FIG. 4 is a block diagram of a lower platen in a joint sleeve end face grinding apparatus of the present utility model;

fig. 5 is an enlarged view at a in fig. 3.

Legend description:

1. grinding machine; 2. a motor; 3. grinding wheel; 4. polishing the shell; 5. a connecting frame; 6. a cylinder; 7. pressing into blocks; 8. a universal joint; 9. a pressing device; 901. pressing the block; 902. a limiting hole; 903. a limit groove; 904. a placement groove; 10. a limiting mechanism; 1001. a clamping shaft; 1002. pressing the blocks; 1003. a cutting sleeve; 1004. a spring; 11. a slide block; 12. a chute; 13. a baffle; 14. a discharge chute; 15. a limiting shaft; 16. and eliminating the blocks.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1 to 5, a polishing device for end faces of a universal joint sleeve according to an embodiment of the present utility model includes: the grinding machine 1, the upper surface of grinding machine 1 is provided with the shell 4 of polishing, the inside rotation of shell 4 of polishing is connected with emery wheel 3, the lateral surface fixedly connected with motor 2 of shell 4 of polishing, the output of motor 2 and the middle part fixed connection of emery wheel 3, motor 2's power end and external power source are connected, motor 2 starts, motor 2 drives emery wheel 3 and rotates, carry out follow-up polishing, be provided with blown down tank 14 on the grinding machine 1, blown down tank 14 is located under the shell 4 of polishing, blown down tank 14 is used for depositing the piece after the emery wheel 3 was polished, the follow-up clearance of being convenient for.

The upper side of the grinding machine 1 is provided with a workbench, the upper surface wall of the workbench in the grinding machine 1 is provided with a chute 12, the inside of the chute 12 is connected with a slide block 11 in a sliding manner, the rear side surface of the slide block 11 is fixedly connected with a rejecting block 16, the rear end of the chute 12 is communicated with a discharge chute 14, the upper end of the position where the chute 12 is communicated with the discharge chute 14 is fixedly connected with a baffle 13 for limiting the slide block 11 to move backwards, and the rejecting block 16 rejects scraps in the chute 12 into the discharge chute 14, so that the stability in the sliding process is improved.

The upper surface fixedly connected with spacing axle 15 of slider 11, the upper end of spacing axle 15 is provided with pushes down device 9, pushes down device 9 and includes down briquetting 901, and lower surface wall and the middle part that lie in of briquetting 901 have seted up spacing groove 903, and lower briquetting 901 embolias the upper end of spacing axle 15 through spacing groove 903, and four spacing holes 902 have been seted up to the lower surface wall of briquetting 901 down, and spacing holes 902 evenly distributed around spacing groove 903.

The upper side of slider 11 is provided with the rotary stop gear 10 of briquetting 901 under the restriction, stop gear 10 includes cutting ferrule 1003, cutting ferrule 1003 and slider 11 fixed connection, the medial surface sliding connection of cutting ferrule 1003 has clamping shaft 1001, clamping shaft 1001 and spacing hole 902 looks adaptation each other, the lateral surface fixedly connected with of clamping shaft 1001 presses down the piece 1002, press down the piece 1002 run through cutting ferrule 1003, and with cutting ferrule 1003 sliding connection, fixedly connected with spring 1004 between the diapire of clamping shaft 1001 and cutting ferrule 1003, drive clamping shaft 1001 through spring 1004 and shift up for clamping shaft 1001 card goes into spacing hole 902, clamping shaft 1001 restriction is pressing block 901 down around spacing axle 15 rotation, make one end of universal joint 8 face one side of emery wheel 3.

The upside of briquetting 901 down is provided with briquetting 7, and the standing groove 904 has all been seted up to one side that goes up briquetting 7 and briquetting 901 down towards each other, is provided with universal joint 8 in the standing groove 904, and the lateral wall fixedly connected with link 5 of slider 11, link 5 are the U-shaped, and the upper end fixed mounting of link 5 has cylinder 6, and the output and the last briquetting 7 of cylinder 6 rotate to be connected, are connected with external power supply through the power end of cylinder 6, and cylinder 6 starts, and cylinder 6 drives briquetting 7 and compresses tightly universal joint 8 towards briquetting 901's direction down.

Working principle: when the universal joint shaft sleeve end face polishing device is used, the universal joint 8 is placed into the placing groove 904 of the lower pressing block 901, the upper pressing block 7 is driven to be pressed towards the lower pressing block 901 through the air cylinder 6, the universal joint 8 is pressed, the sliding block 11 is moved towards the rear side, the end face of the rear side of the universal joint 8 is enabled to move with the grinding wheel 3, and polishing is carried out on the end face of the universal joint 8 through the grinding wheel 3.

When needs are polished to the terminal surface of universal joint 8 difference, through pushing down press block 1002, press block 1002 drives card axle 1001 and moves down, card axle 1001 pushes down spring 1004, spring 1004 slowly compresses, card axle 1001 keeps away from spacing hole 902, through rotating lower briquetting 901, go up briquetting 7, lower briquetting 901 rotates along spacing axle 15, go up briquetting 7 and rotate along the output of cylinder 6, realize rotating universal joint 8, loosen press block 1002 after rotating, spring 1004 upwards extrudees card axle 1001, card axle 1001 card is gone into in spacing hole 902, realize fixing the rotation direction of universal joint 8.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A joint sleeve end face grinding device, comprising: the grinding machine comprises a grinding machine (1), wherein a grinding shell (4) is arranged on the upper surface of the grinding machine (1), a grinding wheel (3) is rotationally connected in the grinding shell (4), a motor (2) is fixedly connected to the outer side surface of the grinding shell (4), and the output end of the motor (2) is fixedly connected with the middle part of the grinding wheel (3), and the grinding machine is characterized in that a discharge chute (14) is arranged on the grinding machine (1);

the upper side of the grinding machine (1) is provided with a workbench, the upper surface wall of the workbench in the grinding machine (1) is provided with a chute (12), the inside of the chute (12) is connected with a sliding block (11) in a sliding manner, the rear side surface of the sliding block (11) is fixedly connected with a removing block (16), the upper surface of the sliding block (11) is fixedly connected with a limiting shaft (15), the upper end of the limiting shaft (15) is provided with a pressing device (9), the pressing device (9) comprises a pressing block (901), the lower surface wall of the pressing block (901) is provided with a limiting groove (903) in the middle, the pressing block (901) is sleeved into the upper end of the limiting shaft (15) through the limiting groove (903), the lower surface wall of the pressing block (901) is provided with four limiting holes (902), and the limiting holes (902) are uniformly distributed around the limiting groove (903);

the utility model discloses a rotary electric machine, including slider (11), briquetting (901) and upper briquetting (7), slider (11)'s upside is provided with restriction lower briquetting (901) pivoted stop gear (10), the upside of lower briquetting (901) is provided with briquetting (7), it has universal joint (8) to extrude between briquetting (7) and lower briquetting (901), the lateral wall fixedly connected with link (5) of slider (11), the upper end fixed mounting of link (5) has cylinder (6), the output and the last briquetting (7) of cylinder (6) rotate and are connected.

2. The joint bushing end face grinding device according to claim 1, characterized in that the discharge chute (14) is located directly below the grinding shell (4).

3. The polishing device for the end face of the universal joint sleeve according to claim 1, wherein the rear end of the sliding chute (12) is communicated with the discharging chute (14), and a baffle (13) for limiting the backward movement of the sliding block (11) is connected to the upper end of the communicating part of the sliding chute (12) and the discharging chute (14).

4. The polishing device for the end face of the universal joint shaft sleeve according to claim 1, wherein the limiting mechanism (10) comprises a clamping sleeve (1003), the clamping sleeve (1003) is fixedly connected with the sliding block (11), a clamping shaft (1001) is slidably connected to the inner side face of the clamping sleeve (1003), and the clamping shaft (1001) and the limiting hole (902) are mutually matched.

5. The polishing device for the end face of the universal joint shaft sleeve according to claim 4, wherein a pressing block (1002) is fixedly connected to the outer side face of the clamping shaft (1001), the pressing block (1002) penetrates through the clamping sleeve (1003) and is in sliding connection with the clamping sleeve (1003), and a spring (1004) is fixedly connected between the clamping shaft (1001) and the bottom wall of the clamping sleeve (1003).

6. The polishing device for the end face of the universal joint sleeve according to claim 1, wherein a placing groove (904) is formed in one side, facing each other, of the upper pressing block (7) and the lower pressing block (901), and a universal joint (8) is arranged in the placing groove (904).

7. The grinding device for the end faces of universal joint sleeves according to claim 1, wherein the connecting frame (5) is U-shaped.