Lug hole grinding device for transmission shaft universal joint fork

Abstract

The utility model discloses a transmission shaft universal joint fork earhole polishing device which comprises a polishing device body, a base is arranged at the bottom of the polishing device body, fixing plates are arranged at the upper ends of the left end and the right end of the base, hydraulic push levers are fixedly arranged in the middles of the inner sides of the fixing plates, and supporting seats are connected to the inner sides of the hydraulic push levers. The lower end of the supporting seat is connected with the T-shaped sliding seat, the T-shaped sliding seat is located in a sliding groove formed in the base and is in sliding connection with the sliding groove, the square fixing seat is fixedly arranged at the upper end of the supporting seat, and the grinding device is fixedly arranged on the inner side of the square fixing seat. The universal joint fork lug hole polishing device is simple in structure and convenient to use, universal joint fork lug holes with different diameters can be polished in the using process, and meanwhile universal joint forks can be rapidly positioned through the fastening plate to prevent the universal joint forks from shaking in the polishing process to affect precision.

Description

Technical Field

[0001] The utility model belongs to the technical field of transmission shaft manufacturing, and in particular relates to a lug hole grinding device for a transmission shaft universal joint fork. Background Art

[0002] The universal joint fork on the transmission shaft of the automobile chassis is located at the end of the transmission. Its outer circle inner hole matches the shaft at the end of the transmission shaft, and its main function is to transmit torque and adjust the length and position relationship of the transmission shaft. At present, when grinding the ear hole of the universal joint fork, the universal joint fork is usually fixed on the grinding tool first, and then the ear hole of the universal joint is ground.

[0003] At present, most of the universal joint fork ear hole grinding devices on the market cannot be adjusted according to the universal joint fork column diameter during use, resulting in the grinding device being only applicable to specific universal joint forks during use. In addition, some adjustable grinding devices on the market are very troublesome in the adjustment process for universal joint forks of different diameters. After the universal joint is fixed, it will rotate, resulting in accuracy deviation during the grinding process. Therefore, a drive shaft universal joint fork ear hole grinding device with simple structure, easy use, and the ability to grind universal joint fork ear holes of different diameters during use has been developed. At the same time, the universal joint fork can be quickly positioned by setting a fastening plate to prevent it from shaking during the grinding process and affecting the accuracy. The device has important application significance. Utility Model Content

[0004] The purpose of the utility model is to provide a drive shaft universal joint fork ear hole grinding device to solve the problem that most of the universal joint fork ear hole grinding devices on the market cannot be adjusted according to the universal joint fork column diameter during use, resulting in the grinding device being only suitable for a specific universal joint fork during use, and some adjustable grinding devices on the market are very troublesome in the adjustment process for universal joints of different diameters, and the universal joint will rotate after being fixed, resulting in accuracy deviation during the grinding process; therefore, a drive shaft universal joint fork ear hole grinding device with simple structure, easy use, and capable of grinding universal joint fork ear holes of different diameters during use, and at the same time, by setting a fastening plate, the universal joint fork can be quickly positioned to prevent it from shaking during the grinding process and affecting the accuracy, has important application significance.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A lug hole grinding device for a universal joint fork of a transmission shaft comprises a grinding device body, a base is arranged at the bottom of the grinding device body, a fixing plate is arranged at the upper ends of the left and right ends of the base, a hydraulic push cylinder is fixedly arranged at the middle part of the inner side of the fixing plate, a support seat is connected to the inner side of the hydraulic push cylinder, a T-shaped sliding seat is connected to the lower end of the support seat, the T-shaped sliding seat is located in a sliding groove provided on the base and is slidably connected to the sliding groove, a square fixing seat is fixedly arranged at the upper end of the support seat, a grinding device is fixedly arranged at the inner side of the square fixing seat, and a universal joint fork fixing device is arranged at the upper middle part of the base;

[0007] Beneficial effect: by arranging a fixed plate at the upper end of the base, a hydraulic push cylinder is fixedly arranged at the middle part of the inner side of the fixed plate, a support seat is connected to the inner side of the hydraulic push cylinder, the support seat is located at the upper end of the T-shaped sliding seat, the T-shaped sliding seat is located above the sliding groove opened on the base and is slidably connected with the sliding groove, the hydraulic cylinder can push the T-shaped sliding seat and the support seat located above the T-shaped sliding seat to slide left and right, the square fixed seat is located at the upper end of the support seat and is fixedly connected with the support seat, a grinding device is arranged on the inner side of the square fixed seat, during use, the support seat and the square fixed seat located above the support seat can be pushed by the hydraulic push cylinder to move to a suitable position to grind the ear hole of the universal joint fork according to the width of the universal joint fork, which has the advantage of being able to grind according to universal joint forks of different sizes;

[0008] The bottom of the universal joint fork fixing device is provided with a fixed base, a hydraulic cylinder is provided at the upper middle end of the fixed base, a sliding base is connected to the upper end of the hydraulic cylinder, a supporting base is provided at the upper middle end of the sliding base, an annular fixing plate is fixedly provided at the upper end of the supporting base, a threaded hole is provided in the middle of the annular fixing plate, a screw passes through the inner side of the threaded hole and is connected to the annular movable plate bearing, an annular handle is fixedly provided on the outer side of the screw, fixed support plates are provided at the front and rear ends of the supporting base, a threaded fixing hole is provided at the top of the fixed support plate, a fastening plate is connected to the inner side of the threaded connection column through a bearing, and a second annular handle is fixedly provided on the outer side of the threaded connection column;

[0009] The cam is provided with a plurality of support members, each of which is provided with a plurality of support members, and the support members are provided with a plurality of support members, each of which is provided with a plurality of support members, and the support members are provided with a plurality of support members.

[0010] The yoke is provided with a plurality of cams, each of which is provided with a plurality of cams, each of which is provided with a plurality of cams, each of which is provided with a plurality of cams, each of which is provided with a plurality of cams, each of which is provided with a plurality of cams.

[0011] Furthermore, the fixed base includes a bottom fixed plate and left and right fixed plates, the left and right fixed plates are located at the upper ends of the left and right ends of the bottom fixed plate, and the ends of the left and right fixed plates are fixedly provided with limit plates; by fixing a fixed support plate at the end of the fixed base, the wall plates on both sides of the sliding base are located between the limit plates, and when the sliding base is driven by the hydraulic cylinder to move up and down, the limiting effect of the fixed support plate can effectively prevent the sliding base from tipping over.

[0012] Furthermore, slide plates are provided on both sides of the sliding base, and the slide plates are located between the two limiting plates, and the inner side walls of the slide plates are in close contact with the left and right fixing plates.

[0013] Furthermore, the annular movable plate is located on the inner side of the annular fixed plate, and an anti-skid pad is fixedly arranged on the inner side wall of the annular movable plate; by fixing the anti-skid pad on the inner side wall of the annular movable plate, the anti-skid pad can provide greater friction when the annular movable plate is tightly attached to the universal joint fork column, effectively preventing the universal joint fork from rotating during grinding and affecting the accuracy.

[0014] Furthermore, a control panel is provided at the upper middle end of the base, and control keys and a display screen are provided on the control panel, and an intelligent control module is provided inside the control panel; by setting up the control panel, a plurality of control keys are provided on the control panel, and the hydraulic push cylinder, grinding device, and hydraulic cylinder start can be controlled by the control keys.

[0015] Furthermore, the control panel is electrically connected to the hydraulic push cylinder, the grinding device and the hydraulic cylinder respectively; in general: the utility model has a simple structure and is easy to use. During use, the universal joint fork ear holes of different diameters can be ground. At the same time, the universal joint fork can be quickly positioned by setting a fastening plate to prevent shaking during the grinding process to affect the accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 The three-dimensional structure diagram of the universal joint fork fixing device of the utility model is as follows

[0018] Figure numerals: 0, grinding device body 1, base 2, fixed plate 3, hydraulic push cylinder 4, T-shaped sliding seat 5, support seat 6, square fixed seat 7, grinding device 8, universal joint fork fixing device 80, fixed base 800, limit plate 81, sliding base 82, hydraulic cylinder 83, support base 84, annular fixed plate 85, annular handle 86, screw 87, annular movable plate 88, second annular handle 880, fixed support plate 881, fastening plate 89, threaded connecting column 9, universal joint fork 10, control panel 11, control keys 12, display screen. DETAILED DESCRIPTION

[0019] The embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0020] The specific implementation of the utility model is as follows Figure 1 , Figure 2 As shown, the utility model provides an ear hole grinding device for a universal joint fork of a transmission shaft, comprising a grinding device body 0, a base 1 is arranged at the bottom of the grinding device body 0, a fixing plate 2 is arranged at the upper ends of the left and right ends of the base 1, a hydraulic push cylinder 3 is fixedly arranged at the middle part of the inner side of the fixing plate 2, a support seat 5 is connected to the inner side of the hydraulic push cylinder 3, a T-shaped sliding seat 4 is connected to the lower end of the support seat 5, the T-shaped sliding seat 4 is located in a sliding groove provided on the base 1 and is slidably connected to the sliding groove, a square fixing seat 6 is fixedly arranged at the upper end of the support seat 5, a grinding device 7 is fixedly arranged at the inner side of the square fixing seat 6, and a universal joint fork fixing device 8 is arranged at the upper middle end of the base 1;

[0021] By setting a fixed plate 2 at the upper end of the base 1, a hydraulic push cylinder 3 is fixedly set at the middle part of the inner side of the fixed plate 2, and a support seat 5 is connected to the inner side of the hydraulic push cylinder 3. The support seat 5 is located at the upper end of the T-shaped sliding seat 4. The T-shaped sliding seat 4 is located above the sliding groove opened on the base 1 and is slidably connected to the sliding groove. The hydraulic push cylinder 3 can push the T-shaped sliding seat 4 and the support seat 5 located above the T-shaped sliding seat 4 to slide left and right. The square fixed seat 6 is located at the upper end of the support seat 5 and is fixedly connected to the support seat 5. A grinding device 7 is set on the inner side of the square fixed seat 6. During use, the support seat 5 and the square fixed seat 6 located above the support seat 5 can be pushed by the hydraulic push cylinder 3 to move to a suitable position according to the width of the universal joint fork 9 to grind the ear hole of the universal joint fork 9, which has the advantage of being able to grind according to universal joint forks 9 of different sizes;

[0022] like Figure 2 As shown, a fixed base 80 is provided at the bottom of the universal joint fork fixing device 8, a hydraulic cylinder 82 is provided at the middle upper end of the fixed base 80, a sliding base 81 is connected to the upper end of the hydraulic cylinder 82, a support base 83 is provided at the middle upper end of the sliding base 81, an annular fixing plate 84 is fixedly provided at the upper end of the support base 83, a threaded hole is provided in the middle of the annular fixing plate 84, a screw rod 86 passes through the inner side of the threaded hole and is connected with the annular movable plate 87 by a bearing, an annular handle 85 is fixedly provided on the outer side of the screw rod 86, a fixed support plate 880 is provided at the front and rear ends of the support base 83, a threaded fixing hole is provided at the top of the fixed support plate 880, a fastening plate 881 is provided on the inner side of a threaded connection column 89 through a bearing connection, and a second annular handle 88 is fixedly provided on the outer side of the threaded connection column;

[0023] By setting a fixed base 80 at the upper middle end of the base 1, the fixed base 80 and the base 1 are fixed as an integrated structure, a hydraulic cylinder 82 is set at the upper middle end of the fixed base 80, and the upper end of the hydraulic cylinder 82 is connected to the sliding base 81, and the side wall plates set at the front and rear ends of the sliding base 81 are located between the fixed support plates 800, and the fixed support plates 800 can limit the side wall plates to prevent the sliding base 81 from tipping over when sliding up and down, and a support base 83 is set at the upper middle end of the sliding base 81, and an annular fixed base 83 is fixed at the upper end of the support base 83. The screw 86 passes through the threaded hole in the middle of the annular fixed plate 84 and is connected to the annular movable plate 87 bearing. The spacing between the annular movable plates 87 can be adjusted by rotating the screw 86 through the annular handle 85. During use, the universal joint fork 9 can be placed inside the annular movable plate 87 and the screw 86 can be rotated by the annular handle 85 to drive the annular movable plate 87 to move inward at the same time. An anti-slip pad is fixedly provided inside the annular movable plate 87. After the annular movable plate 87 clamps the universal joint fork 9, the ear hole of the universal joint fork 9 can be polished.

[0024] In addition, a fixed support plate 880 is fixedly set on the upper ends of the front and rear side walls of the sliding base 81, a threaded hole is opened on the top of the fixed support plate 880, and a threaded connecting column 89 passes through the inner side of the threaded hole and is connected to the bearing of the fastening plate 881. A second annular handle 88 is fixedly set on the outer side of the threaded connecting column 89. The threaded connecting column 89 can be rotated by the second annular handle 88 to adjust the distance between the fastening plates 881. During use, when the universal joint fork 9 is located on the inner side of the annular movable plate 87, the threaded connecting column 89 can be rotated by the second annular handle 88 to squeeze the universal joint fork 9. The fastening plate 881 is close to the outer wall of the U-shaped part to limit the universal joint fork 9 to prevent it from rotating and affecting the grinding accuracy. At the same time, when the fastening plate 881 clamps the outer wall of the U-shaped part, the universal joint fork 9 can be quickly positioned. When the annular movable plate 87 clamps the universal joint fork 9, there is no need to rotate the universal joint fork 9 multiple times to align the ear hole with the grinding knife.

[0025] like Figure 2 As shown, the fixed base 80 includes a bottom fixed plate and left and right fixed plates, the left and right fixed plates are located at the upper ends of the left and right ends of the bottom fixed plate, and the ends of the left and right fixed plates are fixedly provided with limit plates 800; by fixing fixed support plates 880 at the ends of the fixed base 80, the wall plates on both sides of the sliding base 81 are located between the fixed support plates 880, and when the sliding base 81 is driven by the hydraulic cylinder 82 to move up and down, the limiting effect of the limit plates 800 can effectively prevent the sliding base 81 from tipping over.

[0026] like Figure 2 As shown, slide plates are provided on both sides of the sliding base 81 , and the slide plates are located between the two limiting plates 800 , and the inner side walls thereof are in close contact with the left and right fixing plates.

[0027] like Figure 2 As shown, the annular movable plate 87 is located on the inner side of the annular fixed plate 84, and an anti-skid pad is fixedly provided on the inner wall of the annular movable plate 87; by fixing the anti-skid pad on the inner wall of the annular movable plate 87, the anti-skid pad can provide greater friction when the annular movable plate 87 is close to the column of the universal joint fork 9, effectively preventing the universal joint fork 9 from rotating during the grinding process and affecting the accuracy.

[0028] like Figure 1 As shown, a control panel 10 is arranged at the upper middle end of the base 1, control keys 11 and a display screen 12 are arranged on the control panel 10, and an intelligent control module is arranged inside the control panel 10; by setting the control panel 10, a plurality of control keys 11 are arranged on the control panel 10, and the control keys 11 can be used to control the hydraulic push cylinder 3, the grinding device 7, and the hydraulic cylinder 82 to start.

[0029] like Figure 1 As shown, the control panel is electrically connected to the hydraulic push cylinder, the grinding device and the hydraulic cylinder respectively.

[0030] When the utility model is implemented: first, the universal joint fork 9 needs to be placed on the inner side of the annular movable plate 87, and the threaded connection column 89 is rotated by the second annular handle 88 and the fastening plate 881 is pushed close to the U-shaped side wall plate of the universal joint fork 9 to position the universal joint fork 9 and perform the upper limit in the annular direction. Then, the screw rod 86 is rotated by the annular handle 85 to move the annular movable plate 87 close to the outer wall of the column of the universal joint fork 9. The inner wall of the annular movable plate 87 is fixedly provided with an anti-skid pad, which can effectively prevent the universal joint fork 9 from rotating after clamping. In addition, due to the joint effect of the fastening plate 881 and the annular movable plate 87, the ear hole of the universal joint fork 9 can be effectively prevented from rotating during the grinding process to affect the accuracy. Then, the hydraulic cylinder 82 is started by the control key 11, and the hydraulic The cylinder 82 pushes the sliding base 81 to move upward to a suitable position, and then the hydraulic push cylinder 3 is started through the control key 11, the hydraulic push cylinder 3 extends the push rod, the push rod extends and pushes the support seat 5 to move inward, and when the support seat 5 moves, it can simultaneously drive the square fixed seat 6 to move and simultaneously drive the grinding device 7 to move, and the grinding knife provided in the grinding device 7 stops moving when it moves to a suitable position of the ear hole, and then the grinding device 7 is started through the control key 11 to grind the ear hole to complete the grinding process; in general: the utility model has a simple structure and is easy to use. During use, the ear holes of the universal joint forks of different diameters can be ground, and at the same time, the universal joint fork can be quickly positioned by setting a fastening plate to prevent it from shaking during the grinding process and affecting the accuracy.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A grinding device for the ear hole of a transmission shaft universal joint fork, comprising a grinding device body (0), a base (1) being arranged at the bottom of the grinding device body (0), a fixing plate (2) being arranged at the upper ends of the left and right ends of the base (1), a hydraulic push cylinder (3) being fixedly arranged at the middle part of the inner side of the fixing plate (2), a support seat (5) being connected to the inner side of the hydraulic push cylinder (3), a T-shaped sliding seat (4) being connected to the lower end of the support seat (5), the T-shaped sliding seat (4) being located in a sliding groove provided on the base (1) and being slidably connected to the sliding groove, a square fixing seat (6) being fixedly arranged at the upper end of the support seat (5), a grinding device (7) being fixedly arranged on the inner side of the square fixing seat (6), and characterized in that: A universal joint fork fixing device (8) is provided at the upper middle end of the base (1); The universal joint fork fixing device (8) is provided with a fixed base (80) at the bottom, a hydraulic cylinder (82) is provided at the middle upper end of the fixed base (80), a sliding base (81) is connected to the upper end of the hydraulic cylinder (82), a support base (83) is provided at the middle upper end of the sliding base (81), an annular fixing plate (84) is fixedly provided at the upper end of the support base (83), a threaded hole is provided at the middle of the annular fixing plate (84), a screw rod (86) passes through the inner side of the threaded hole and is connected to the annular movable plate (87) by a bearing, an annular handle (85) is fixedly provided on the outer side of the screw rod (86), a fixed support plate (880) is provided at the front and rear ends of the support base (83), a threaded fixing hole is provided at the top of the fixed support plate (880), a fastening plate (881) is provided on the inner side of the threaded connection column (89) through a bearing connection, and a second annular handle (88) is fixedly provided on the outer side of the threaded connection column.

2. The ear hole grinding device of a transmission shaft universal joint fork according to claim 1, characterized in that: The fixed base (80) comprises a bottom fixing plate and left and right fixing plates, the left and right fixing plates are located at the upper ends of the left and right ends of the bottom fixing plate, and the ends of the left and right fixing plates are fixedly provided with limit plates (800).

3. The ear hole grinding device of a transmission shaft universal joint fork according to claim 1, characterized in that: Slide plates are arranged on both sides of the sliding base (81).

4. The ear hole grinding device of a transmission shaft universal joint fork according to claim 1, characterized in that: The annular movable plate (87) is located inside the annular fixed plate (84), and an anti-slip pad is fixedly provided on the inner side wall of the annular movable plate (87).

5. The ear hole grinding device of a transmission shaft universal joint fork according to claim 1, characterized in that: A control panel (10) is arranged at the upper middle part of the base (1), control keys (11) and a display screen (12) are arranged on the control panel (10), and an intelligent control module is arranged inside the control panel (10).

6. The ear hole grinding device of a transmission shaft universal joint fork according to claim 5, characterized in that: The control panel (10) is electrically connected to the hydraulic push cylinder (3), the grinding device (7) and the hydraulic cylinder (82) respectively.

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