Pneumatic clamp for machining driving end cover

Abstract

The utility model discloses a pneumatic clamp for driving end cover machining, and belongs to the technical field of end cover machining clamps. Comprising a processing table; the clamping mechanism comprises two sliding plates installed on the machining table, a sliding rod and a clamping plate, and the clamping plate is used for clamping the driving end cover; the fixing mechanism comprises two fixing plates installed on the machining table, and the fixing plates are used for clamping the driving end cover; the pop-up mechanism comprises a third spring installed on the machining table, and the third spring is used for automatically popping up the driving end cover; and the limiting mechanism comprises two square plates fixedly connected to the sliding plate, the surfaces of the square plates are connected with supporting rods in a sliding mode, and the arc surfaces of the supporting rods are sleeved with fourth springs. According to the pneumatic clamp for machining the driving end cover, the problem that when the driving end cover is machined, the driving end cover shakes due to the influence of the elasticity of the spring, and the machining quality of the driving end cover is influenced is solved.

Description

Technical Field

[0001] This application relates to the technical field of end - cover processing jigs, and specifically relates to a pneumatic jig for driving end - cover processing. Background Art

[0002] A driving end - cover refers to a component installed between the shaft end of a motor and the end - cover, or at the end of the crankshaft of an automotive engine. It is widely used in various motors and automotive engines and is an essential component of these devices. A pneumatic jig is an important tool used to fix and position workpieces during the processing of driving end - covers, improving processing accuracy and production efficiency.

[0003] For example, the patent with the publication number CN218747228U specifically discloses a motor end - cover processing jig, which includes a processing table, a sliding plate, a first spring, and a first damping rod. By setting an automatic ejection mechanism, when the pushing plate moves, it squeezes the I - shaped plate, and the I - shaped plate is parallel to the tabletop of the processing table. After processing, reverse the threaded rod to drive the pushing plate to move away from each other, and the third spring and the second damping rod will automatically reset, allowing the motor end - cover to be directly picked up without manual removal by the staff.

[0004] However, although the above - mentioned device can avoid damaging the motor end - cover during clamping through the cooperation of the first spring and the first damping rod, due to the elasticity of the spring, when processing the driving end - cover, the spring is affected by external forces and there is a situation of shaking, resulting in the deviation of the driving end - cover, which affects the accuracy during the processing of the driving end - cover and the processing quality of the driving end - cover, thus reducing the practicality of the pneumatic jig.

[0005] Therefore, it is necessary to provide a pneumatic jig for driving end - cover processing to solve the above problems.

[0006] It should be noted that the above information disclosed in this background - art section is only used to understand the background technology of the concept of this application, and therefore, it may include information that does not constitute prior art. Summary of the Utility Model

[0007] Based on the above problems existing in the prior art, the problem to be solved by this application is: to provide a pneumatic jig for driving end - cover processing, which solves the problem that the driving end - cover shakes during processing due to the elasticity of the spring, affecting the processing quality of the driving end - cover.

[0008] The technical solution adopted by the present application to solve its technical problems is as follows: A pneumatic fixture for machining a drive end cover, including a machining table; a clamping mechanism, which includes two sliding plates, a sliding rod and a clamping plate installed on the machining table, and the clamping plate is used to clamp the drive end cover; a fixing mechanism, which includes two fixing plates installed on the machining table, and the fixing plates are used to clamp the drive end cover; a pop-up mechanism, which includes a spring three installed on the machining table, and the spring three is used to automatically pop up the drive end cover; a limiting mechanism, which includes two square plates fixedly connected to the sliding plate, a support rod is slidably connected to the surface of the square plate, a spring four is sleeved on the arc surface of the support rod, and the two ends of the spring four are respectively fixedly connected to the support rod and the square plate; one end of the support rod is fixedly connected to a trapezoidal block, and a trapezoidal groove is formed on the surface of the sliding rod, and the sizes of the trapezoidal block and the trapezoidal groove are adapted; wherein: the trapezoidal groove is adapted to the size of the trapezoidal block, and the spring four is in a contracted state. When the sliding rod moves, the trapezoidal groove gradually reaches below the trapezoidal block, and the trapezoidal block loses the block of the sliding rod, and the spring four is reset under its own elastic force, driving the trapezoidal block to insert into the trapezoidal groove to complete the limiting work of the sliding rod.

[0009] Further, the clamping includes two cylinders fixedly connected to the machining table by bolts. Two sliding plates are slidably connected to the surface of the machining table. A screw sleeve is rotatably connected to the surface of the sliding plate. The screw sleeve is threadedly connected to the output end of the cylinder. A sliding rod is slidably connected to the surface of the sliding plate. One end of the sliding rod is fixedly connected to a clamping plate. A spring one is sleeved on the arc surface of the sliding rod, and the two ends of the spring one are respectively fixedly connected to the clamping plate and the sliding plate.

[0010] Further, a pushing plate is fixedly connected to the surface of the sliding plate.

[0011] Further, the fixing mechanism includes a rotating rod rotatably connected to the sliding plate. A pull rod is slidably connected to the surface of the rotating rod. One end of the pull rod is fixedly connected to a fixing plate. A spring two is sleeved on the arc surface of the pull rod, and the two ends of the spring two are respectively fixedly connected to the rotating rod and the fixing plate.

[0012] Further, the pop-up mechanism includes a T-shaped groove opened on the machining table. A damping telescopic rod is fixedly connected to the inner wall of the T-shaped groove. The upper end of the damping telescopic rod is fixedly connected to a T-shaped plate. The sizes of the T-shaped groove and the T-shaped plate are adapted. A spring three is sleeved on the arc surface of the damping telescopic rod, and the two ends of the spring three are respectively fixedly connected to the T-shaped groove and the T-shaped plate.

[0013] Further, the limiting mechanism further includes a plurality of balls rotatably connected to the trapezoidal block, and the balls are spherical structures.

[0014] Further, a bell is fixedly connected to one end of the support rod.

[0015] The beneficial effects of the present application are as follows: The pneumatic fixture for machining the driving end cover provided by the present application improves the limiting effect on the sliding rod through the cooperation of the limiting mechanism, the support rod, the trapezoidal block, the trapezoidal groove and the spring four, thereby improving the accuracy during the machining of the driving end cover. It avoids the situation of shaking due to the elasticity of the first spring when the clamping mechanism clamps the driving end cover. At the same time, the setting of the limiting mechanism does not affect the buffering effect of the clamping mechanism and will not result in excessive clamping force on the driving end cover.

[0016] In addition to the purposes, features and advantages described above, the present application has other purposes, features and advantages. The following will refer to the drawings for a further detailed description of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The specification drawings forming a part of the present application are used to provide a further understanding of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0018] Figure 1 is an overall schematic diagram of a pneumatic fixture for machining a driving end cover in the present application;

[0019] Figure 2 is a cross-sectional structural schematic diagram of the machining table in the present application;

[0020] Figure 3 is a structural schematic diagram of the clamping mechanism in the present application;

[0021] Figure 4 is a partial structural schematic diagram of the clamping structure in the present application.

[0022] Among them, the reference numerals in the drawings are as follows:

[0023] 1, machining table; 2, clamping mechanism; 21, cylinder; 22, sliding plate; 23, screw sleeve; 24, push plate; 25, sliding rod; 26, clamping plate; 27, first spring; 3, fixing mechanism; 31, rotating rod; 32, pull rod; 33, fixing plate; 34, second spring; 4, ejection mechanism; 41, I-shaped groove; 42, I-shaped plate; 43, damping telescopic rod; 44, third spring; 5, limiting mechanism; 51, square plate; 52, support rod; 53, trapezoidal block; 54, ball; 55, fourth spring; 56, bell; 57, trapezoidal groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will describe the present application in detail with reference to the drawings and in conjunction with the embodiments.

[0025] In order to enable those skilled in the art to better understand the solution of the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present application.

[0026] As Figure 1 shown, the present application provides a pneumatic fixture for machining a drive end cover, including a machining table 1; the machining table 1 is used for placing the drive end cover and then performing machining work.

[0027] As Figure 1 shown, a clamping mechanism 2 is installed on the machining table 1. The clamping includes two cylinders 21 fixedly connected to the machining table 1 by bolts. Two sliding plates 22 are slidably connected to the surface of the machining table 1. A screw sleeve 23 is rotatably connected to the surface of the sliding plate 22. The screw sleeve 23 is threadedly connected to the output end of the cylinder 21. A sliding rod 25 is slidably connected to the surface of the sliding plate 22. One end of the sliding rod 25 is fixedly connected to a clamping plate 26. A first spring 27 is sleeved on the arc surface of the sliding rod 25. The two ends of the first spring 27 are respectively fixedly connected to the clamping plate 26 and the sliding plate 22. A push plate 24 is fixedly connected to the surface of the sliding plate 22;

[0028] The sliding plate 22 is installed on the cylinder 21 through the screw sleeve 23. When maintaining the cylinder 21, only need to rotate the screw sleeve 23 to separate from the cylinder 21, and then remove the bolts on the cylinder 21, then the cylinder 21 can be disassembled and maintained. Starting the cylinder 21 can drive the two sliding plates 22 to approach or move away from each other. When the sliding plates 22 approach each other, they can drive the clamping plate 26 to clamp the drive end cover.

[0029] As Figure 1 shown, a fixing mechanism 3 is installed on the clamping plate 26. The fixing mechanism 3 includes a rotating rod 31 rotatably connected to the sliding plate 22. A pull rod 32 is slidably connected to the surface of the rotating rod 31. One end of the pull rod 32 is fixedly connected to a fixing plate 33. A second spring 34 is sleeved on the arc surface of the pull rod 32. The two ends of the second spring 34 are respectively fixedly connected to the rotating rod 31 and the fixing plate 33;

[0030] Rotate the rotating rod 31 to make the pull rod 32 located above the driving end cover. At this time, the elastic force of the second spring 34 drives the circular plate to squeeze the upper end of the driving end cover. When rotating the rotating rod 31 to drive the pull rod 32 to be located on the clamping plate 26, the pull rod 32 is squeezed on the clamping plate 26 under the elastic force of the second spring 34, which is convenient for placing the pull rod 32.

[0031] As Figure 1 shown in the figure, a pop-up mechanism 4 is installed on the processing table 1. The pop-up mechanism 4 includes a T-shaped groove 41 opened on the processing table 1. The inner wall of the T-shaped groove 41 is fixedly connected with a damping telescopic rod 43. The upper end of the damping telescopic rod 43 is fixedly connected with a T-shaped plate 42. The sizes of the T-shaped groove 41 and the T-shaped plate 42 are adapted to each other. A third spring 44 is sleeved on the arc surface of the damping telescopic rod 43. The two ends of the third spring 44 are respectively fixedly connected with the T-shaped groove 41 and the T-shaped plate 42;

[0032] When processing the driving end cover, the T-shaped plate is pressed into the T-shaped groove through the pushing plate 24. After the processing of the driving end cover is completed, the pushing plate 24 moves away from the T-shaped plate, and the elastic force of the third spring 44 drives the damping telescopic rod 43 and the T-shaped plate to reset, which is convenient for the user to take out the driving end cover.

[0033] As Figure 1 shown in the figure, a limiting mechanism 5 is installed on the sliding plate 22. The limiting mechanism 5 includes two square plates 51 fixedly connected to the sliding plate 22. A support rod 52 is slidably connected to the surface of the square plate 51. A fourth spring 55 is sleeved on the arc surface of the support rod 52. The two ends of the fourth spring 55 are respectively fixedly connected with the support rod 52 and the square plate 51; One end of the support rod 52 is fixedly connected with a trapezoidal block 53. A trapezoidal groove 57 is opened on the surface of the sliding rod 25. The sizes of the trapezoidal block 53 and the trapezoidal groove 57 are adapted to each other;

[0034] The trapezoidal groove 57 is adapted to the size of the trapezoidal block 53, and the fourth spring 55 is in a contracted state. When the sliding rod 25 moves, the trapezoidal groove 57 gradually reaches below the trapezoidal block 53, and the trapezoidal block 53 loses the block of the sliding rod 25. The fourth spring 55 resets under its own elastic force, driving the trapezoidal block 53 to insert into the trapezoidal groove 57 to complete the limiting work of the sliding rod 25.

[0035] As Figure 1 shown in the figure, the limiting mechanism 5 further includes a plurality of balls 54 rotatably connected to the trapezoidal block 53. The balls 54 are spherical structures. One end of the support rod 52 is fixedly connected with a bell 56;

[0036] When the sliding rod 25 is reset under the elastic force of the first spring 27, the trapezoidal block 53 is pushed away from the sliding rod 25 under the extrusion of the trapezoidal groove 57. The ball 54 can reduce the frictional force between the trapezoidal block 53 and the trapezoidal groove 57, improving the smoothness when the trapezoidal block 53 moves away from the sliding rod 25. When the support rod 52 drops, it drives the bell 56 to shake, and the bell 56 makes a sound, which can be used to prompt the user to close the cylinder 21 in time.

[0037] Working principle:

[0038] When machining the drive end cover, first place the drive end cover on the I-shaped plate 42, start the cylinder 21. The cylinder 21 drives the sliding plate 22 to move through the screw sleeve 23. At this time, the two sliding plates 22 approach each other and drive the clamping plate 26 on the sliding rod 25 to clamp the drive end cover. When the clamping plate 26 contacts the drive end cover and encounters resistance, the sliding rod 25 moves and drives the first spring 27 to contract. At this time, the resistance of the first spring 27 can reduce the situation that the drive end cover is damaged due to excessive clamping force of the clamping plate 26.

[0039] Pull the pull rod 32 to drive the second spring 34 to contract. Then rotate the rotating rod 31 and drive the pull rod 32 to be above the drive end cover. At this time, release the pull rod 32, and the pull rod 32 drives the fixing plate 33 to squeeze and fix the upper part of the drive end cover under the action of the elastic force of the second spring 34.

[0040] When the drive end cover is placed on the I-shaped plate and the sliding plate 22 drives the push plate 24 to move towards the I-shaped plate, the push plate 24 squeezes the I-shaped plate into the I-shaped groove, and the third spring 44 and the damping telescopic rod 43 contract. When the machining of the drive end cover is completed, the cylinder 21 drives the clamping plate 26 and the push plate 24 to move away from the I-shaped plate. At this time, the I-shaped plate is reset under the elastic force of the third spring 44 and protrudes from the processing table 1, facilitating the user to take out the drive end cover.

[0041] When the clamping plate 26 clamps the driving end cover and the sliding rod 25 slides under force, the trapezoidal groove 57 gradually reaches below the trapezoidal block 53. At this time, the trapezoidal block 53 loses the block of the sliding rod 25, and the fourth spring 55 resets under its own elastic force, driving the trapezoidal block 53 to insert into the trapezoidal groove 57 to complete the limiting work of the sliding rod 25, which can prevent the sliding rod 25 from shaking. When the trapezoidal block 53 drops into the trapezoidal groove 57, the support rod 52 moves, which can drive the bell 56 to shake and make a sound to prompt the user that the clamping work of the driving end cover has been completed, facilitating the user to timely close the air cylinder 21. When the processing of the driving end cover is completed and the clamping plate 26 moves away from the driving end cover, the sliding rod 25 resets under the elastic force of the first spring 27, and the inclined surface of the trapezoidal groove 57 contacts the inclined surface of the trapezoidal block 53. At this time, the ball 54 can reduce the friction between the trapezoidal groove 57 and the trapezoidal block 53, thus facilitating the inclined surface of the trapezoidal groove 57 to squeeze the trapezoidal block 53 away from the sliding rod 25, which is convenient for the next operation of the trapezoidal block 53.

[0042] The above are only the preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pneumatic fixture for processing a drive end cover, characterized in that: include, Processing table (1); A clamping mechanism (2), the clamping mechanism (2) comprising two sliding plates (22) mounted on the processing table (1), a sliding rod (25) and a clamping plate (26), wherein the clamping plate (26) is used to clamp the driving end cover; A fixing mechanism (3), the fixing mechanism (3) comprising two fixing plates (33) mounted on the processing table (1), the fixing plates (33) being used to clamp the drive end cover; An ejection mechanism (4), the ejection mechanism (4) comprising a spring three (44) mounted on the processing table (1), the spring three (44) being used to automatically eject the drive end cover; A limiting mechanism (5), the limiting mechanism (5) comprising two square plates (51) fixedly connected to the sliding plate (22), the surface of the square plate (51) being slidably connected to a support rod (52), the arc surface of the support rod (52) being sleeved with a spring four (55), the two ends of the spring four (55) being fixedly connected to the support rod (52) and the square plate (51) respectively; One end of the support rod (52) is fixedly connected to a trapezoidal block (53), a trapezoidal groove (57) is provided on the surface of the slide rod (25), and the sizes of the trapezoidal block (53) and the trapezoidal groove (57) are matched; The trapezoidal groove (57) is adapted to the size of the trapezoidal block (53), the spring four (55) is in a contracted state, and when the slide bar (25) moves, the trapezoidal groove (57) gradually reaches below the trapezoidal block (53), the trapezoidal block (53) loses the obstruction of the slide bar (25), and the spring four (55) is reset under its own elastic force, driving the trapezoidal block (53) to be inserted into the trapezoidal groove (57), thereby completing the position limiting work of the slide bar (25).

2. A pneumatic fixture for processing a drive end cover according to claim 1, characterized in that: The clamping device comprises two cylinders (21) fixedly connected to the processing table (1) by bolts; the surface of the processing table (1) is slidably connected to two sliding plates (22); the surface of the sliding plate (22) is rotatably connected to a screw sleeve (23); the screw sleeve (23) and the output end of the cylinder (21) are threadedly connected; the surface of the sliding plate (22) is slidably connected to a sliding rod (25); one end of the sliding rod (25) is fixedly connected to a clamping plate (26); the arc surface of the sliding rod (25) is provided with a spring (27); the two ends of the spring (27) are respectively fixedly connected to the clamping plate (26) and the sliding plate (22).

3. A pneumatic fixture for processing a drive end cover according to claim 2, characterized in that: A push plate (24) is fixedly connected to the surface of the sliding plate (22).

4. A pneumatic fixture for processing a drive end cover according to claim 1, characterized in that: The fixing mechanism (3) comprises a rotating rod (31) rotatably connected to the sliding plate (22); a pull rod (32) is slidably connected to the surface of the rotating rod (31); one end of the pull rod (32) is fixedly connected to the fixing plate (33); a spring (34) is sleeved on the arc surface of the pull rod (32); and two ends of the spring (34) are respectively fixedly connected to the rotating rod (31) and the fixing plate (33).

5. The pneumatic clamp for processing a drive end cover according to claim 1, characterized in that: The ejection mechanism (4) comprises an I-shaped groove (41) formed on the processing table (1); a damping telescopic rod (43) is fixedly connected to the inner wall of the I-shaped groove (41); an I-shaped plate (42) is fixedly connected to the upper end of the damping telescopic rod (43); the I-shaped groove (41) and the I-shaped plate (42) have matching sizes; a spring three (44) is sleeved on the arc surface of the damping telescopic rod (43); and two ends of the spring three (44) are respectively fixedly connected to the I-shaped groove (41) and the I-shaped plate (42).

6. The pneumatic clamp for processing a drive end cover according to claim 1, characterized in that: The limiting mechanism (5) further comprises a plurality of balls (54) rotatably connected to the trapezoidal block (53), wherein the balls (54) are spherical structures.

7. The pneumatic clamp for processing a drive end cover according to claim 1, characterized in that: A bell (56) is fixedly connected to one end of the support rod (52).

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