Machining clamp for sleeve end of shaft end

Abstract

The utility model relates to the technical field of shaft end sleeve end processing, and discloses a shaft end sleeve end processing clamp which comprises a table top bilateral rack, a discharging channel is formed in the surface of the table top, a supporting plate is arranged at the bottom end of the table top, and a supporting assembly and a horizontal air cylinder are arranged on the two sides of the top end of the supporting plate respectively. A telescopic rod of the horizontal air cylinder is connected with a buffering assembly through a push-pull rod, the buffering assembly is fixedly connected with one end of a double-edge rack, and a first push rod is fixedly arranged at the other end of the double-edge rack. The shaft sleeve feeding device has the advantages that a shaft sleeve can be placed on the supporting assembly through the discharging channel, the supporting assembly can support the shaft sleeve, the push-pull rod is driven through the horizontal air cylinder, the double-side rack is driven to move, the double-side rack can drive the two transmission racks to move through the gear, and then the two second push rods and the first push rod can move synchronously; the clamping blocks can clamp shaft sleeves with different diameters in the middle through the rubber pads, and the stability of the shaft sleeves can be kept.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft end sleeve end processing, in particular to a shaft end sleeve end processing fixture. Background Art

[0002] The shaft and sleeve are fitted with clearance. The similarity between the sleeve and the bearing is that both bear the load of the shaft, while the difference between the two is that the sleeve is an integral structure, and the shaft and sleeve move relative to each other when rotating, while the bearing is a split type, and the rotation occurs within the bearing itself. When machining the shaft end face and sleeve end, it is necessary to position it through a fixture to ensure that the workpiece does not move or loosen during machining.

[0003] Its application number is "CN202122139989.2". The "axle sleeve processing fixture for heavy-loaded vehicles" disclosed in the application number is "CN202122139989.2", which "comprises a base, a shaft sleeve clamp device is provided above the base, the shaft sleeve clamp device consists of a first clamp and a second clamp, the first clamp and the second clamp are C-shaped structures, the second clamp is located on one side of the first clamp, first fixing blocks are symmetrically provided on both sides of the first clamp, a group of first bolt fixing holes are symmetrically provided on the first fixing block, a group of first sliding blocks are symmetrically provided below the first clamp, second fixing blocks are symmetrically provided on both sides of the second clamp, a group of through holes are symmetrically provided on the second fixing block, a group of third fixing blocks are symmetrically provided on the side of the second clamp away from the first clamp, a third bolt fixing hole is provided on the third fixing block, and the bottom of the third fixing block is connected to the base." In the utility model, the first clamp, the second clamp and the groove can cooperate to accurately lock and fix the sleeve. The springs and C-shaped clamps inside the first clamp and the second clamp can meet the locking and fixing of a variety of models with different sleeve sizes. Since the sleeve is mostly a circular structure, the first C-shaped clamp and the second C-shaped clamp just meet the circular structure of the sleeve.

[0004] However, the above method still has the following defects: when processing sleeves of different diameters through the first C-shaped clamping block and the second C-shaped clamping block, it is difficult to ensure the centering state of the sleeves of different diameters, which can easily lead to eccentricity of the sleeves and increase the difficulty of processing. Utility Model Content

[0005] The utility model aims to provide a processing fixture for shaft end sleeve end, so as to solve the problem in the above background technology that it is difficult to ensure the centering state of shaft sleeves with different diameters, which easily leads to eccentricity of the shaft sleeve.

[0006] The utility model provides the following technical solution: a processing fixture for shaft end sleeve end, comprising a double-sided rack on a table top, a material discharge channel is opened on the surface of the table top, a support plate is provided at the bottom end of the table top, a support assembly and a horizontal cylinder are respectively provided on both sides of the top end of the support plate, the telescopic rod of the horizontal cylinder is connected with a buffer assembly through a push-pull rod, the buffer assembly is fixedly connected to one end of the double-sided rack, a push rod 1 is fixedly provided at the other end of the double-sided rack, both sides of the double-sided rack are meshedly connected with gears, the gears are meshedly connected with a transmission rack, the transmission rack is fixedly connected with a push rod 2, one end of the push rod 2 and one end of the push rod 1 are fixedly connected with a clamping block, and a rubber pad is provided on the surface of the clamping block.

[0007] As a preferred technical solution of the utility model, the support assembly includes a vertical cylinder and a support plate, the bottom end of the vertical cylinder is fixedly connected to the support plate, the telescopic rod of the vertical cylinder is fixedly connected to the support plate, and the support plate is coaxial with the discharge channel.

[0008] As a preferred technical solution of the utility model, a plurality of rod sleeves are fixedly provided on the surface of the support plate, the rod sleeves are slidably connected with guide rods, and the top ends of the guide rods are fixedly connected to the bottom ends of the table tops.

[0009] As a preferred technical solution of the utility model, a slide groove one is provided on the surface of the table top, the push-pull rod is slidably connected to the slide groove one, and the gear is rotationally connected to the table top.

[0010] As a preferred technical solution of the utility model, the buffer assembly includes a back plate and a buffer plate, the middle part of the bottom end of the back plate is fixedly connected to the push-pull rod, one side of the push-pull rod is fixedly connected to the telescopic rod of the horizontal cylinder, the push-pull rod is slidably connected to the buffer plate through two light rods, the surface of the light rod is sleeved with a spring, one end of the light rod is fixedly provided with a baffle, and the double-sided rack is fixedly connected to one side of the buffer plate.

[0011] As a preferred technical solution of the utility model, two slide grooves 2 are provided on the surface of the table top, and sliders are fixedly provided on both sides of the bottom end of the backrest plate and both sides of the bottom end of the buffer plate, and the sliders are slidably connected to the slide grooves 2.

[0012] As a preferred technical solution of the utility model, the second push rod is fixedly connected with a guide block, the guide block is slidably connected with a guide rail, and the bottom end of the guide rail is fixedly connected to the table top through a cushion block.

[0013] As a preferred technical solution of the utility model, vertical plates are fixedly provided on both sides of the support plate, the top of the vertical plates are fixedly connected to the bottom of the table top, and a positioning plate is fixedly provided on the bottom of the vertical plates, and a positioning hole is opened on the surface of the positioning plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The shaft end sleeve end processing fixture can place the shaft sleeve on the support assembly through the discharge channel, and the support assembly can support it. The push-pull rod is driven by the horizontal cylinder to drive the double-sided rack to move. The double-sided rack can drive the two transmission racks to move through the gear, so that the two push rods 2 and push rod 1 can move synchronously. The clamp block can clamp shaft sleeves of different diameters in the center through the rubber pad, which is not easy to be eccentric and can maintain its stability, which is convenient for the processing activities of the shaft end sleeve end.

[0016] 2. The shaft end sleeve processing fixture can adjust its height when supporting the shaft sleeve through the support assembly, which is suitable for processing activities of shaft end sleeves of different heights. The buffer assembly can provide buffering between the push-pull rod and the double-sided rack. During the clamping process, the buffer assembly can shrink under pressure to reduce the impact force, and can provide protection for the shaft sleeve, double-sided rack and transmission rack, which are not easy to cause damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural schematic diagrams of the utility model;

[0018] Figure 2 This is the second structural diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the support assembly of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the buffer component of the utility model;

[0022] Figure 6 It is a schematic diagram of the structure of the gear of the utility model.

[0023] In the figure: 1. table; 2. discharge channel; 3. support plate; 4. support assembly; 401. vertical cylinder; 402. support plate; 403. rod sleeve; 404. guide rod; 5. horizontal cylinder; 6. push-pull rod; 7. buffer assembly; 701. support plate; 702. bare rod; 703. buffer plate; 704. spring; 705. baffle; 706. slider; 8. slide groove one; 9. slide groove two; 10. double-sided rack; 11. push rod one; 12. transmission rack; 13. push rod two; 14. clamping block; 15. rubber pad; 16. guide block; 17. guide rail; 18. cushion block; 19. gear; 20. vertical plate; 21. positioning plate. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0025] See also Figures 1 to 6 In the embodiment of the utility model, the processing fixture for the shaft end sleeve includes a table 1 with a double-sided rack 10, a discharge channel 2 is opened on the surface of the table 1, a support plate 3 is provided at the bottom end of the table 1, and a support assembly 4 and a horizontal cylinder 5 are respectively provided on both sides of the top of the support plate 3. The shaft sleeve can be placed on the support assembly 4 through the discharge channel 2, and the support assembly 4 can support it and adjust its height, which can be suitable for processing activities of shaft end sleeves of different heights. The telescopic rod of the horizontal cylinder 5 is connected with a buffer assembly 7 through a push-pull rod 6, and the buffer assembly 7 and the double-sided rack 1 0 is fixedly connected, and a push rod 11 is fixedly arranged at the other end of the bilateral rack 10. The push-pull rod 6 is driven by the horizontal cylinder 5, and the buffer assembly 7 can drive the bilateral rack 10 to move. Gears 19 are meshedly connected on both sides of the bilateral rack 10, and the gear 19 is meshedly connected with a transmission rack 12. The transmission rack 12 is fixedly connected with a push rod 2 13. The bilateral rack 10 can drive the two transmission racks 12 to move synchronously through the gear 19. One end of the push rod 2 13 and one end of the push rod 11 are fixedly connected with a clamping block 14, and a rubber pad 15 is arranged on the surface of the clamping block 14;

[0026] In this embodiment, preferably, the support assembly 4 includes a vertical cylinder 401 and a support plate 402, the bottom end of the vertical cylinder 401 is fixedly connected to the support plate 3, the telescopic rod of the vertical cylinder 401 is fixedly connected to the support plate 402, the support plate 402 is coaxial with the discharge channel 2, the support plate 402 can be supported by the vertical cylinder 401, and the support plate 402 can support the shaft sleeve;

[0027] In this embodiment, preferably, a plurality of rod sleeves 403 are fixedly provided on the surface of the support plate 402, and the rod sleeves 403 are slidably connected to guide rods 404, and the top of the guide rod 404 is fixedly connected to the bottom of the table 1, and the support plate 402 can be guided by the rod sleeves 403 and the guide rods 404 to prevent the support plate 402 from tilting;

[0028] In this embodiment, preferably, a slide groove 8 is provided on the surface of the table 1, the push-pull rod 6 is slidably connected to the slide groove 8, and the gear 19 is rotatably connected to the table 1. The push-pull rod 6 can be guided by the slide groove 8 to ensure the horizontal movement of the push-pull rod 6;

[0029] In the present embodiment, preferably, the buffer assembly 7 includes a support plate 701 and a buffer plate 703, the middle part of the bottom end of the support plate 701 is fixedly connected to the push-pull rod 6, one side of the push-pull rod 6 is fixedly connected to the telescopic rod of the horizontal cylinder 5, the push-pull rod 6 is slidably connected to the buffer plate 703 through two light rods 702, the surface of the light rod 702 is sleeved with a spring 704, one end of the light rod 702 is fixedly provided with a baffle 705, the double-sided rack 10 is fixedly connected to one side of the buffer plate 703, the baffle 705 can prevent the light rod 702 from falling off, the light rod 702 can limit the spring 704, the spring 704 can support the support plate 701 and the buffer plate 703, and can transmit the pressure of the horizontal cylinder 5 to the double-sided rack 10, the spring 704 can shrink under pressure, and the impact force can be reduced;

[0030] In this embodiment, preferably, two slide grooves 29 are provided on the surface of the table top 1, and sliders 706 are fixedly provided on both sides of the bottom end of the backing plate 701 and both sides of the bottom end of the buffer plate 703, and the sliders 706 are slidably connected with the slide grooves 29. The backing plate 701 and the buffer plate 703 can be guided by the sliders 706 and the slide grooves 29 to prevent the backing plate 701 and the buffer plate 703 from tilting;

[0031] In this embodiment, preferably, the push rod 13 is fixedly connected to a guide block 16, the guide block 16 is slidably connected to a guide rail 17, the bottom end of the guide rail 17 is fixedly connected to the table 1 through a cushion block 18, and the guide block 16 and the guide rail 17 can guide the push rod 13, thereby improving the stability of the push rod 13;

[0032] In this embodiment, preferably, vertical plates 20 are fixedly provided on both sides of the support plate 3, the top of the vertical plates 20 is fixedly connected to the bottom of the table top 1, and a positioning plate 21 is fixedly provided on the bottom of the vertical plates 20. Positioning holes are provided on the surface of the positioning plate 21, and the table top 1 can be supported by the vertical plates 20, and the vertical plates 20 can be fixedly installed through the positioning holes of the positioning plate 21.

[0033] When in use, the staff first places the shaft sleeve on the support plate 402 of the support assembly 4 through the discharge channel 2. The support plate 402 can support the shaft sleeve. When the height of the shaft end sleeve needs to be adjusted, the staff drives the support plate 402 through the vertical cylinder 401 to adjust the height of the shaft end sleeve. During the adjustment process, the rod sleeve 403 and the guide rod 404 can guide the support plate 402 to prevent the support plate 402 from tilting;

[0034] After the adjustment is completed, the staff drives the push-pull rod 6 through the horizontal cylinder 5, and the push-pull rod 6 drives the double-sided rack 10 to move through the buffer assembly 7. The double-sided rack 10 can drive the two transmission racks 12 to move through the gear 19, so that the two push rods 13 and the push rod 1 11 can move synchronously. The guide block 16 and the guide rail 17 can ensure the stability of the push rod 2 13. The clamping block 14 can clamp the shaft sleeves of different diameters in the center through the rubber pad 15 and maintain its stability. It can center the shaft sleeves of different diameters and prevent them from being eccentric, so as to process the shaft end and sleeve end.

[0035] During the process of clamping the sleeve, the spring 704 can transfer the pressure of the horizontal cylinder 5 to the double-sided rack 10. The spring 704 can shrink when under pressure, which can reduce the impact force, provide protection for the sleeve, the double-sided rack 10 and the transmission rack 12, and avoid the phenomenon of excessive clamping force, which is not easy to cause damage to the sleeve.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A processing fixture for shaft end sleeve end, comprising a table (1) and a double-sided rack (10), characterized in that: The surface of the table top (1) is provided with a discharge channel (2), the bottom end of the table top (1) is provided with a support plate (3), the top sides of the support plate (3) are respectively provided with a support assembly (4) and a horizontal cylinder (5), the telescopic rod of the horizontal cylinder (5) is connected to a buffer assembly (7) through a push-pull rod (6), the buffer assembly (7) is fixedly connected to one end of a double-sided rack (10), the other end of the double-sided rack (10) is fixedly provided with a push rod 1 (11), both sides of the double-sided rack (10) are meshedly connected with a gear (19), the gear (19) is meshedly connected with a transmission rack (12), the transmission rack (12) is fixedly connected with a push rod 2 (13), one end of the push rod 2 (13) and one end of the push rod 1 (11) are fixedly connected with a clamping block (14), and the surface of the clamping block (14) is provided with a rubber pad (15).

2. The processing fixture for the shaft end sleeve according to claim 1 is characterized in that: The support assembly (4) comprises a vertical cylinder (401) and a support plate (402), the bottom end of the vertical cylinder (401) is fixedly connected to the support plate (3), the telescopic rod of the vertical cylinder (401) is fixedly connected to the support plate (402), and the support plate (402) is coaxial with the discharge channel (2).

3. The processing fixture for the shaft end sleeve according to claim 2 is characterized in that: A plurality of rod sleeves (403) are fixedly provided on the surface of the support plate (402), and the rod sleeves (403) are slidably connected to guide rods (404), and the top ends of the guide rods (404) are fixedly connected to the bottom ends of the table tops (1).

4. The processing fixture for the shaft end sleeve according to claim 1 is characterized in that: A slide groove (8) is provided on the surface of the table top (1), the push-pull rod (6) is slidably connected to the slide groove (8), and the gear (19) is rotationally connected to the table top (1).

5. The processing fixture for shaft end sleeve end according to claim 1, characterized in that: The buffer assembly (7) comprises a support plate (701) and a buffer plate (703); the middle part of the bottom end of the support plate (701) is fixedly connected to the push-pull rod (6); one side of the push-pull rod (6) is fixedly connected to the telescopic rod of the horizontal cylinder (5); the push-pull rod (6) is slidably connected to the buffer plate (703) via two light rods (702); a spring (704) is sleeved on the surface of the light rod (702); a baffle (705) is fixedly provided at one end of the light rod (702); and the double-sided rack (10) is fixedly connected to one side of the buffer plate (703).

6. The processing fixture for the shaft end sleeve according to claim 5, characterized in that: The surface of the table top (1) is provided with two second slide grooves (9), and both sides of the bottom end of the backing plate (701) and both sides of the bottom end of the buffer plate (703) are fixedly provided with sliders (706), and the sliders (706) are slidably connected with the second slide grooves (9).

7. The processing fixture for the shaft end sleeve according to claim 1 is characterized in that: The push rod 2 (13) is fixedly connected to a guide block (16), the guide block (16) is slidably connected to a guide rail (17), and the bottom end of the guide rail (17) is fixedly connected to the table top (1) via a cushion block (18).

8. The processing fixture for shaft end sleeve end according to claim 1, characterized in that: Vertical plates (20) are fixedly provided on both sides of the support plate (3), the top ends of the vertical plates (20) are fixedly connected to the bottom ends of the table tops (1), and the bottom ends of the vertical plates (20) are fixedly provided with positioning plates (21), and the surface of the positioning plates (21) is provided with positioning holes.

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