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CN-224223430-U - High-hardness universal joint sleeve precision polishing device

CN224223430UCN 224223430 UCN224223430 UCN 224223430UCN-224223430-U

Abstract

The utility model relates to the technical field of precision polishing, in particular to a precision polishing device for a high-hardness universal joint shaft sleeve, which comprises a bottom plate, wherein the top of the bottom plate is rotationally connected with an annular frame, a connecting frame is fixedly connected inside the annular frame, a first motor positioned at the inner side of the annular frame is installed at the top of the bottom plate, an output shaft of the first motor is fixedly connected with the connecting frame, and grooves distributed at equal intervals in the circumferential direction are formed in the top of the annular frame. According to the automatic feeding device, the polishing block rotates and moves up and down to polish the universal joint sleeve, the push plate pushes the contact rod to enable the connecting block to drive the baffle to move leftwards to open the discharge hole, automatic discharging is achieved, the extrusion frame pushes the contact block to enable the slide rod to drive the push plate to move upwards to push the polished universal joint sleeve upwards, the extrusion block moves to push the ball body to drive the push rod frame to move to enable the universal joint sleeve to move out of the conical block and drop, automatic material taking is achieved, feeding and material taking are not needed by workers, and therefore polishing efficiency of the universal joint sleeve is improved.

Inventors

  • ZHU WEILIANG
  • ZHU KAINAN

Assignees

  • 杭州绿禾汽配有限公司

Dates

Publication Date
20260512
Application Date
20250612

Claims (5)

  1. 1. The utility model provides a high rigidity universal joint axle sleeve precision grinding device, includes bottom plate (1), the top rotation of bottom plate (1) is connected with annular frame (2), the inside rigid coupling of annular frame (2) has link (3), first motor (4) that are located the inboard of annular frame (2) are installed at the top of bottom plate (1), the output shaft of first motor (4) with link (3) rigid coupling, fluting (5) that are circumference equidistance distribution are seted up at the top of annular frame (2), rigid coupling has sleeve pipe (6) that are circumference equidistance distribution on annular frame (2), sleeve pipe (6) are located the bottom outside of fluting (5), characterized in that slotted (5) both sides annular frame (2) top all rigid coupling has fixed plate (7), sliding connection has guide bar (8) on fixed plate (7), the one end rigid coupling of guide bar (8) has clamping plate (9), the other end rigid coupling of guide bar (8) has connection pad (10), annular frame (10) have between the fixed plate (7) and the top of annular frame (2) is equipped with one side of being the fixed plate (12) rigid coupling, the utility model discloses a motor drive unit for a motor vehicle, including bottom plate (1), mounting bracket (21) are installed to the top opposite side of bottom plate (1), the upper portion rigid coupling of mounting bracket (21) has electric putter (22), the flexible end rigid coupling of electric putter (22) has second motor (23), the downside of second motor (23) is equipped with polishing block (24), the top rigid coupling of polishing block (24) has thread bush (25), thread bush (25) with the output shaft threaded connection of second motor (23).
  2. 2. The high-hardness universal joint shaft sleeve precision polishing device is characterized in that the blanking assembly comprises a containing frame (13) fixedly connected to one side of a bottom plate (1) through a support plate, a discharge hole (14) is formed in the containing frame (13), a containing groove (15) communicated with the discharge hole (14) is formed in the containing frame (13), a baffle plate (16) is connected in the containing groove (15) in a sliding mode, a connecting block (17) is fixedly connected to the bottom of the baffle plate (16), a contact rod (18) is fixedly connected to the bottom of the connecting block (17), a fixed block (19) is fixedly connected to the bottom of the containing frame (13), and a second spring (20) is fixedly connected between the fixed block (19) and the connecting block (17).
  3. 3. A polishing device for precision of a high-hardness universal joint sleeve according to claim 2 is characterized in that the thickness of the bottom of the containing frame (13) gradually increases to the side far away from the annular frame (2) so as to facilitate material sliding.
  4. 4. The high-hardness universal joint shaft sleeve precision polishing device is characterized in that a pushing disc (26) is connected to the inner side of the sleeve (6) in a sliding mode, a conical block (27) is fixedly connected to the top of the pushing disc (26), a conical groove matched with the conical block (27) is formed in the bottom of the polishing block (24), sliding rods (28) distributed at equal intervals in the circumferential direction are fixedly connected to the bottom of the pushing disc (26), contact blocks (29) are fixedly connected between the lower ends of the sliding rods (28) distributed at equal intervals in the circumferential direction, and an extrusion frame (30) is fixedly connected to the top of the bottom plate (1).
  5. 5. The high-hardness universal joint shaft sleeve precision polishing device is characterized in that a disc (31) is fixedly connected to the top of the connecting frame (3) through a connecting rod, extrusion blocks (32) distributed at equal intervals in the circumferential direction are fixedly connected to the outer side surface of the disc (31), a vertical plate frame (33) is fixedly connected to the containing frame (13), a push rod frame (34) is connected to the lower portion of the vertical plate frame (33) in a sliding mode, a ball body (35) is connected to one end of the push rod frame (34) in a rotating mode, the ball body (35) is in contact fit with the disc (31), a connecting sheet (36) is fixedly connected to the push rod frame (34), and a third spring (37) is fixedly connected between the connecting sheet (36) and the vertical plate frame (37).

Description

High-hardness universal joint sleeve precision polishing device Technical Field The utility model relates to the technical field of precision polishing, in particular to a precision polishing device for a high-hardness universal joint sleeve. Background The universal joint sleeve is used for connecting all parts of the universal joint, such as a cross shaft and a universal joint fork, so that power can be effectively transmitted between shafts at different angles, normal operation of a mechanical system is ensured, a relatively sliding matching surface is formed between the shaft sleeve and the shaft neck, friction can be reduced, part abrasion is reduced, and the service life of the universal joint is prolonged through reasonable material selection and lubrication design. The prior art is to finish the processing of the universal joint sleeve, the precision polishing is required to be carried out on the inner diameter of the universal joint sleeve, the prior polishing mode is that a worker fixes the universal joint sleeve, polishing treatment is carried out on the inner diameter of the universal joint sleeve through polishing equipment, after the polishing treatment is finished, the worker is required to take out the fixed universal joint sleeve, the process is complicated, and the polishing efficiency of the universal joint sleeve can be influenced. Disclosure of utility model In order to overcome the defects in the background art, the utility model provides the high-hardness precision polishing device for the universal joint sleeve. The technical scheme is that the high-hardness universal joint shaft sleeve precision polishing device comprises a bottom plate, an annular frame is rotationally connected to the top of the bottom plate, a connecting frame is fixedly connected to the inside of the annular frame, a first motor positioned on the inner side of the annular frame is installed at the top of the bottom plate, an output shaft of the first motor is fixedly connected with the connecting frame, grooves distributed at circumferential equal intervals are formed in the top of the annular frame, sleeves distributed at circumferential equal intervals are fixedly connected to the annular frame, the sleeves are located on the outer sides of the bottom ends of the grooves, fixing plates are fixedly connected to the tops of the annular frames, guide rods are connected to the fixing plates in a sliding mode, clamping plates are fixedly connected to one ends of the guide rods, connecting discs are fixedly connected to the other ends of the guide rods, first springs are fixedly connected between the connecting discs and the fixing plates, pushing plates distributed at circumferential equal intervals are fixedly connected to the top of the annular frame, blanking components are installed on one side of the top of the bottom plate, electric push rods are fixedly connected to the other side of the top of the bottom plate, fixing frames are fixedly connected to electric push rods, fixing plates are fixedly connected to the second push rods are connected to the second polishing blocks, and the second polishing blocks are fixedly connected to the top of the second polishing blocks, and the threaded sleeves are fixedly connected to the top of the second polishing blocks. As a further preferable scheme, the blanking component comprises a holding frame fixedly connected to one side of the bottom plate through a support plate, a discharge hole is formed in the holding frame, a holding groove communicated with the discharge hole is formed in the holding frame, a baffle is connected in the holding groove in a sliding mode, a connecting block is fixedly connected to the bottom of the baffle, a contact rod is fixedly connected to the bottom of the connecting block, a fixing block is fixedly connected to the bottom of the holding frame, and a second spring is fixedly connected between the fixing block and the connecting block. As a further preferable scheme, the thickness of the bottom of the containing frame gradually increases towards the side far away from the annular frame, so that materials can slide off conveniently. As a further preferable scheme, the inner side of the sleeve is slidably connected with a pushing disc, the top of the pushing disc is fixedly connected with a conical block, the bottom of the polishing block is provided with a conical groove matched with the conical block, the bottom of the pushing disc is fixedly connected with sliding rods distributed at equal intervals in the circumferential direction, a contact block is fixedly connected between the lower ends of the sliding rods distributed at equal intervals in the circumferential direction, and the top of the bottom plate is fixedly connected with an extrusion frame. As a further preferable scheme, the top of link has the disc through the connecting rod rigid coupling, the lateral surface rigid coupling of disc has the extrusion piece that is circumfere