CN110948332B

CN110948332B - Universal joint fork grinding device

Info

Publication number: CN110948332B
Application number: CN201911274009.0A
Authority: CN
Inventors: 吴国明
Original assignee: Jiaxing Chenfei Technology Co ltd
Current assignee: Jiaxing Chenfei Technology Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2021-04-13
Anticipated expiration: 2039-12-12
Also published as: CN110948332A

Abstract

The invention provides a universal joint fork polishing device which comprises a rack, a first sliding seat, a positioning clamp, an installation supporting frame, a lifting seat, a second sliding seat, a first polishing device, a second polishing device and a limiting and pressing assembly. The universal joint fork is positioned and clamped through the positioning fixture, the two grinding devices can grind two fork lugs simultaneously, the production efficiency is improved, manual grinding of workers is not needed, and the labor intensity can be reduced.

Description

Universal joint fork grinding device

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of universal joint fork processing, in particular to a universal joint fork polishing device.

[ background of the invention ]

The universal joint fork of the automobile transmission shaft is an important part in the automobile manufacturing process, is of a U-shaped block structure and is generally used on the transmission shaft, is matched with a cross shaft to form a wide universal transmission part and comprises a fork lug and a connecting hub, and two lug holes of the same axis are formed in the fork lug. In order to improve the quality of the universal joint fork and increase the use feeling, the universal joint fork needs to be polished after being forged to be usable.

However, after the traditional universal joint fork is forged, a worker often holds the universal joint fork by hands to fix the universal joint fork, and then manually polishes the universal joint fork by using a polishing head, so that the personnel cost is increased, and the universal joint fork polishing device is provided.

[ summary of the invention ]

The invention aims to solve the problems in the prior art, and provides a universal joint fork polishing device which can simultaneously polish two fork lugs, improves the production efficiency, does not need manual polishing of workers and can reduce the labor intensity.

In order to achieve the purpose, the invention provides a universal joint fork polishing device which comprises a machine frame, a first sliding seat, a positioning clamp, an installation supporting frame, a lifting seat, a second sliding seat, a first polishing device, a second polishing device and a limiting and pressing assembly, a first guide rail is arranged on the machine frame, the first sliding seat is movably arranged on the first guide rail, a positioning clamp used for clamping the universal joint fork is arranged on the first sliding seat, a limiting material pressing component is arranged above one end of the first guide rail, a mounting support frame is arranged at the rear side of the other end of the first guide rail, the front side of the mounting support frame is provided with a lifting seat which can move in the vertical direction, the lifting seat is provided with a second guide rail arranged along the horizontal direction, the second sliding seat is movably arranged on the second guide rail, and a first polishing device and a second polishing device are sequentially arranged on the second sliding seat along the horizontal direction.

Preferably, the positioning clamp comprises a base, a fork lug limiting frame, a connecting hub limiting frame and a hydraulic telescopic cylinder, the base is fixedly arranged on the first sliding seat, two fork lug limiting frames are symmetrically arranged on the base, the inner wall of one fork lug limiting frame is provided with a fixed clamping block, the other fork lug limiting frame is internally provided with an installation sliding groove, a movable clamping block is movably arranged in the mounting chute, an auxiliary mounting frame is arranged at one side of the base, a hydraulic telescopic cylinder is fixed on the auxiliary mounting frame, a telescopic rod of the hydraulic telescopic cylinder is connected with the movable clamping block, a first clamping cavity matched with a fork lug of the universal joint fork is formed between the fixed clamping block and the movable clamping block, the bottom in first card dress chamber is equipped with the spacing of connecting hub, connect the spacing interior second card dress chamber that has to be the U font of hub, second card dress chamber and the connecting hub looks adaptation of universal joint fork.

Preferably, the open end of the second clamping cavity is provided with a second lead-in inclined surface, the closed end of the second clamping cavity is provided with a semicircular retaining wall matched with the connecting hub of the universal joint fork, and the ends, close to the open end of the second clamping cavity, of the fixed clamping block and the movable clamping block are provided with first lead-in inclined surfaces.

As preferred, one side of erection bracing frame is equipped with the supporting beam who is used for installing spacing material subassembly of pressing, spacing material subassembly of pressing includes the carriage, presses frame and elastic expansion support, the mounting groove has in the carriage, press the frame to be fixed in the mounting groove through a plurality of elastic expansion support in, the lower terminal surface of pressing the frame is equipped with and leans on the complex spout with the fork ear top counterbalance of universal joint fork, the one end of spout has the leading-in inclined plane of third, and the other end of spout has the baffle.

Preferably, the first polishing device and the second polishing device are respectively provided with a first polishing wheel and a second polishing wheel, the first polishing wheel is used for polishing a left fork ear of the universal joint fork, the second polishing wheel is used for polishing a right fork ear of the universal joint fork, when the first polishing wheel polishes the outer wall of the left fork ear of the universal joint fork, the second polishing wheel polishes the inner wall of the right fork ear of the universal joint fork, and when the first polishing wheel polishes the inner wall of the left fork ear of the universal joint fork, the second polishing wheel polishes the outer wall of the right fork ear of the universal joint fork.

The invention has the beneficial effects that: according to the invention, through the matching of the rack, the first sliding seat, the positioning fixture, the mounting support frame, the lifting seat, the second sliding seat, the first polishing device, the second polishing device, the limiting and pressing assembly and the like, the universal joint fork can be positioned and clamped through the positioning fixture, the first sliding seat can convey the positioned and clamped universal joint fork to a polishing station, wherein the first polishing wheel polishes the outer wall of a left fork ear of the universal joint fork, and the second polishing wheel polishes the inner wall of a right fork ear of the universal joint fork; then, the second slide moves a station to the right, and when the first grinding wheel ground the inner wall of the left fork ear of the universal joint fork, the second grinding wheel ground the outer wall of the right fork ear of the universal joint fork, and the grinding operation of two fork ear sides is completed, so that the production efficiency is improved, manual grinding by workers is not needed, and the labor intensity can be reduced.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic structural view of a first slide carriage of a universal joint fork grinding device of the present invention at a grinding station;

FIG. 2 is a schematic structural diagram of a universal joint fork grinding device with a first sliding seat at a feeding station;

FIG. 3 is an internal schematic view of a positioning fixture of a universal joint yoke grinding apparatus of the present invention;

FIG. 4 is a left side view of a positioning fixture of a universal joint yoke grinding apparatus of the present invention;

fig. 5 is a schematic top view of a connecting hub limiting bracket of a universal joint fork grinding device according to the present invention.

[ detailed description ] embodiments

Referring to fig. 1 to 5, the universal joint fork polishing device of the invention comprises a frame 1, a first slide seat 2, a positioning clamp 3, a mounting support frame 4, a lifting seat 5, a second slide seat 6, a first polishing device 7, a second polishing device 8 and a limiting material pressing assembly 9, wherein the frame 1 is provided with a first guide rail 11, the first slide seat 2 is movably arranged on the first guide rail 11, the first slide seat 2 is provided with the positioning clamp 3 for clamping the universal joint fork 10, the limiting material pressing assembly 9 is arranged above one end of the first guide rail 11, the rear side of the other end of the first guide rail 11 is provided with the mounting support frame 4, the front side of the mounting support frame 4 is provided with the lifting seat 5 capable of moving in the vertical direction, the lifting seat 5 is provided with a second guide rail 51 arranged in the horizontal direction, the second slide seat 6 is movably arranged on the second guide rail 51, and the first polishing device 7, the second polishing device and the second polishing device 6 are sequentially arranged in the horizontal direction, A second grinding device 8.

Further, the positioning fixture 3 includes a base 31, two fork-ear limiting frames 32, a connecting hub limiting frame 33 and a hydraulic telescopic cylinder 34, the base 31 is fixedly mounted on the first sliding seat 2, the two fork-ear limiting frames 32 are symmetrically arranged on the base 31, the inner wall of one fork-ear limiting frame 32 is provided with a fixed clamping block 321, the other fork-ear limiting frame 32 is provided with a mounting chute, a movable clamping block 322 is movably mounted in the mounting chute, one side of the base 31 is provided with an auxiliary mounting frame 30, the hydraulic telescopic cylinder 34 is fixed on the auxiliary mounting frame 30, an expansion rod of the hydraulic telescopic cylinder 34 is connected with the movable clamping block 322, a first clamping cavity 320 matched with the fork ear of the universal joint fork 10 is formed between the fixed clamping block 321 and the movable clamping block 322, the bottom of the first clamping cavity 320 is provided with the connecting hub limiting frame 33, a second clamping cavity 330 shaped like a U is arranged in the connecting hub limiting frame 33, the second clamping cavity 330 is adapted to the connecting hub of the yoke 10.

Further, the open end of the second clamping cavity 330 has a second lead-in slope 331, the closed end of the second clamping cavity 330 has a semicircular blocking wall 332 adapted to the connecting hub of the universal yoke 10, and the fixed clamping block 321 and the movable clamping block 322 have a first lead-in slope 3201 at the end close to the open end of the second clamping cavity 330.

Further, one side of erection bracing frame 4 is equipped with the supporting beam 41 that is used for installing spacing material subassembly 9 of pressing, spacing material subassembly 9 of pressing includes carriage 91, pressure frame 92 and elastic telescopic bracket 93, mounting groove 90 has in the carriage 91, pressure frame 92 is fixed in mounting groove 90 through a plurality of elastic telescopic bracket 93 in, the lower terminal surface of pressure frame 92 is equipped with and leans on complex spout 921 with the fork ear top counterbalance of universal joint fork 10, the one end of spout 921 has the leading-in inclined plane of third, and the other end of spout 921 has baffle 922.

Further, first polishing wheel and second polishing wheel are respectively arranged on the first polishing device 7 and the second polishing device 8, the first polishing wheel is used for polishing the left fork ear of the universal joint fork 10, the second polishing wheel is used for polishing the right fork ear of the universal joint fork 10, when the first polishing wheel polishes the outer wall of the left fork ear of the universal joint fork 10, the second polishing wheel polishes the inner wall of the right fork ear of the universal joint fork 10, and when the first polishing wheel polishes the inner wall of the left fork ear of the universal joint fork 10, the second polishing wheel polishes the outer wall of the right fork ear of the universal joint fork 10.

The working process of the invention is as follows:

in the using process of the universal joint fork polishing device, a universal joint fork to be polished is firstly placed into a positioning fixture on a feeding station, as shown in fig. 2, a fork lug of the universal joint fork is clamped into a first clamping cavity 320, a connecting hub is clamped into a second clamping cavity 330, a pressing frame 92 can press the universal joint fork downwards to realize primary positioning, then a hydraulic telescopic cylinder 34 is started, a movable clamping block 322 is driven to move rightwards to abut against the fork lug, and positioning and clamping are completed, as shown in fig. 3 and 4. Then, the first sliding seat 2 can convey the positioned and clamped universal joint fork to a polishing station leftwards, the lifting seat 5 controls the first polishing device 7 and the second polishing device 8 to move downwards for polishing operation, the first polishing wheel polishes the outer wall of a left fork lug of the universal joint fork, and the second polishing wheel polishes the inner wall of a right fork lug of the universal joint fork; then, the lifting seat 5 moves upwards to reset, after the second sliding seat 6 moves rightwards for one station, the lifting seat 5 controls the first polishing device 7 and the second polishing device 8 to move downwards again to perform polishing operation, when the first polishing wheel polishes the inner wall of the left fork lug of the universal joint fork, the second polishing wheel polishes the outer wall of the right fork lug of the universal joint fork, the polishing operation of two sides of the two fork lugs is completed, finally, the lifting seat 5, the second sliding seat 6 and the first sliding seat 2 reset in sequence, the hydraulic telescopic cylinder 34 releases pressure, and the polished universal joint fork can be taken down manually.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a universal joint fork grinding device which characterized in that: comprises a frame (1), a first sliding seat (2), a positioning fixture (3), an installing support frame (4), a lifting seat (5), a second sliding seat (6), a first grinding device (7), a second grinding device (8) and a limiting material pressing component (9), wherein the frame (1) is provided with a first guide rail (11), the first sliding seat (2) is movably arranged on the first guide rail (11), the first sliding seat (2) is provided with the positioning fixture (3) for clamping a universal joint fork (10), the limiting material pressing component (9) is arranged above one end of the first guide rail (11), the installing support frame (4) is arranged on the rear side of the other end of the first guide rail (11), the lifting seat (5) capable of moving in the vertical direction is arranged on the front side of the installing support frame (4), the lifting seat (5) is provided with a second guide rail (51) arranged in the horizontal direction, the second sliding seat (6) is movably arranged on a second guide rail (51), and a first polishing device (7) and a second polishing device (8) are sequentially arranged on the second sliding seat (6) along the horizontal direction; the positioning fixture (3) comprises a base (31), fork lug limiting frames (32), a connecting hub limiting frame (33) and a hydraulic telescopic cylinder (34), wherein the base (31) is fixedly installed on the first sliding seat (2), the base (31) is symmetrically provided with the two fork lug limiting frames (32), the inner wall of one fork lug limiting frame (32) is provided with a fixed clamping block (321), an installation chute is arranged in the other fork lug limiting frame (32), a movable clamping block (322) is movably installed in the installation chute, one side of the base (31) is provided with an auxiliary installation frame (30), the hydraulic telescopic cylinder (34) is fixedly arranged on the auxiliary installation frame (30), a telescopic rod of the hydraulic telescopic cylinder (34) is connected with the movable clamping block (322), and a first clamping cavity (320) matched with a fork lug of the universal joint fork (10) is formed between the fixed clamping block (321) and the movable clamping block (322), the bottom in first card dress chamber (320) is equipped with connects spacing (33) of hub, connect the spacing second card dress chamber (330) that has the U font in the hub (33), second card dress chamber (330) and the hub looks adaptation of being connected of universal joint fork (10).

2. A universal joint yoke sharpening device according to claim 1, wherein: the open end of the second clamping cavity (330) is provided with a second lead-in inclined surface (331), the closed end of the second clamping cavity (330) is provided with a semicircular retaining wall (332) matched with a connecting hub of the universal joint fork (10), and the ends, close to the open end of the second clamping cavity (330), of the fixed clamping block (321) and the movable clamping block (322) are provided with a first lead-in inclined surface (3201).

3. A universal joint yoke sharpening device according to claim 2, wherein: one side of erection bracing frame (4) is equipped with supporting beam (41) that is used for installing spacing material subassembly (9) of pressing, spacing material subassembly (9) of pressing include carriage (91), pressure frame (92) and elastic expansion bracket (93), mounting groove (90) have in carriage (91), press in frame (92) are fixed in mounting groove (90) through a plurality of elastic expansion bracket (93), the lower terminal surface of pressure frame (92) is equipped with and leans on complex spout (921) with the fork ear top counterbalance of universal joint fork (10), the one end of spout (921) has the leading-in inclined plane of third, and the other end of spout (921) has baffle (922).

4. A universal joint yoke sharpening device according to claim 1, wherein: first sanding wheel, second sanding wheel have respectively on first sanding device (7), the second sanding device (8), first sanding wheel is used for polishing the left fork ear of universal joint fork (10), the second sanding wheel is used for polishing the right fork ear of universal joint fork (10), when first sanding wheel is polished the left fork ear outer wall of universal joint fork (10), the right fork ear inner wall of second sanding wheel pair universal joint fork (10) is polished, when first sanding wheel is polished the left fork ear inner wall of universal joint fork (10), the right fork ear outer wall of universal joint fork (10) is polished to the second sanding wheel.