High-stability clamp for machining oil pump rear cover
By designing a fixture structure with movable clamps and fixing components, the problem that existing fixtures cannot adapt to different models of oil pump back covers is solved, achieving high stability and efficient clamping and fixing, and improving the processing quality and efficiency of oil pump back covers.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-03-24
AI Technical Summary
Existing fixtures are difficult to adjust the clamping position flexibly, and cannot meet the fixing requirements of different models of oil pump back covers, affecting processing stability and accuracy.
A clamping structure including a worktable, a movable clamp, and a fixing component was designed. The position of the movable clamp is adjusted by the arc-shaped guide groove and the fixed cleat teeth. Combined with the use of the clamping cylinder and the fixing component, high-stability clamping of the back cover of different models of oil pumps is achieved.
It improves the ease of position adjustment and fixing efficiency of the fixture, and enhances the processing stability and efficiency of the oil pump back cover.
Smart Images

Figure CN224027457U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of fixture, especially a high stability's oil pump rear cover processing clamp for processing. BACKGROUND
[0002] The oil pump rear cover is a vital component in the fuel system, which is usually located at the end of the oil pump, plays a role in closing the inside of the oil pump and protecting its internal structure. In the process of manufacturing the oil pump rear cover, in order to ensure its accuracy and stability, a special fixture is usually used to fix it firmly. However, due to the existence of various types of oil pump rear cover, and the shape of each type may be unique, which brings great challenge to the design and use of the fixture. Specifically, when fixing the oil pump rear cover, the clamping position of the fixture must be determined according to the specific shape of the rear cover, so as to maximize the stability and processing accuracy of the fixture. Therefore, the adjustability of the fixture position is particularly important. A fixture that can flexibly adjust the clamping position can not only adapt to different types of oil pump rear cover, but also can improve the processing accuracy and product quality while ensuring the processing efficiency. This is very important for the manufacture of oil pump rear cover, so the present application provides a high stability's oil pump rear cover processing clamp. SUMMARY
[0003] The main purpose of the utility model is to provide a high stability's oil pump rear cover processing clamp, which can effectively solve the problems in the background art.
[0004] To achieve the above purpose, the technical scheme adopted by the utility model is:
[0005] A high stability's oil pump rear cover processing clamp, comprising a workbench, the workbench is composed of an installation base plate and an arc-shaped guide rod, the arc-shaped guide rod has several and is fixedly installed in the installation base plate, a plurality of movable clamps are slidably installed on the workbench, the movable clamp is composed of a clamping cylinder, a clamping frame and an installation base plate, the clamping cylinder is fixedly installed on the upper end of the installation base plate, the clamping frame is fixedly installed on the upper end of the piston rod of the clamping cylinder, a fixing assembly is installed on the workbench and the movable clamp, the fixing assembly is composed of a square rod, a anti-off baffle, an extrusion spring, a sliding block and a fixed tooth, the anti-off baffle is fixedly installed on one end of the square rod, the extrusion spring is sleeved on the square rod, the sliding block is slidably installed on the square rod, and the fixed tooth has two and is symmetrically fixedly installed on the inner end of the sliding block.
[0006] Preferably, a plurality of arc-shaped guide rail grooves are arranged on the mounting base plate in a ring shape, and the arc-shaped guide rail grooves penetrate the mounting base plate from top to bottom; a plurality of arc-shaped communication grooves are arranged on the outer wall of the mounting base plate and communicate with the arc-shaped guide rail grooves; and a plurality of clamping tooth grooves are symmetrically arranged on the outer wall of the mounting base plate and on the upper and lower sides of the arc-shaped communication grooves.
[0007] Preferably, the arc-shaped guide rod on the workbench is fixedly installed in the arc-shaped guide rail groove arranged on the mounting base plate.
[0008] Preferably, the mounting base plate on the movable clamp is slidably installed in the arc-shaped guide rail groove arranged on the mounting base plate, and an arc-shaped through hole is arranged on the mounting base plate and the mounting base plate is slidably installed in the arc-shaped guide rod through the arc-shaped through hole.
[0009] Preferably, the square rod on the fixing assembly is fixedly installed on the outer wall of the mounting base plate and simultaneously penetrates the arc-shaped communication groove arranged on the mounting base plate, and the anti-extraction baffle and the extrusion spring are located on the outer side of the mounting base plate.
[0010] Preferably, a square hole is arranged on the sliding block on the fixing assembly, the sliding block is slidably installed on the square rod through the square hole, and the sliding block is simultaneously located between the mounting base plate and the extrusion spring; and the fixing clamping tooth is inserted into the clamping tooth groove arranged on the outer wall of the mounting base plate.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] By arranging the workbench, the movable clamp is arranged on the workbench, the movable clamp can move and adjust the position on the workbench, so that the movable clamp can adjust the clamping position according to the shape of the oil pump, thereby adapting to different models of the oil pump rear cover and clamping the oil pump rear cover of different models with high stability; by arranging the fixing assembly on the workbench and the movable clamp, the workbench and the movable clamp can be relatively fixed, so that the position adjustment of the movable clamp is more convenient, and finally the fixing efficiency and the machining efficiency of the oil pump rear cover can be improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a whole structure schematic view of the utility model;
[0014] Figure 2 It is a structure schematic view of the workbench of the utility model;
[0015] Figure 3 It is a structure schematic view of the movable clamp of the utility model;
[0016] Figure 4 It is a structure schematic view of the fixing assembly of the utility model.
[0017] In the figure: 1, workbench; 2, movable clamp; 3, fixed assembly; 4, mounting base plate; 5, arc-shaped guide rod; 6, arc-shaped guide rail groove; 7, arc-shaped communication groove; 8, clamping tooth groove; 9, clamping cylinder; 10, clamping frame; 11, mounting base plate; 12, arc-shaped through hole; 13, square rod; 14, anti-disengagement baffle; 15, extrusion spring; 16, sliding block; 17, fixed clamping tooth; 18, square hole. DETAILED DESCRIPTION
[0018] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0019] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown in the figure, a high-stability oil pump rear cover machining clamp comprises a workbench 1, the workbench 1 is composed of a mounting base plate 4 and an arc-shaped guide rod 5, the arc-shaped guide rod 5 is several and is fixedly installed in the mounting base plate 4, a plurality of movable clamps 2 are slidably installed on the workbench 1, the movable clamp 2 is composed of a clamping cylinder 9, a clamping frame 10 and a mounting base plate 11, the clamping cylinder 9 is fixedly installed at the upper end of the mounting base plate 11, the clamping frame 10 is fixedly installed at the upper end of the piston rod of the clamping cylinder 9, a fixed assembly 3 is installed on the workbench 1 and the movable clamp 2, the fixed assembly 3 is composed of a square rod 13, an anti-disengagement baffle 14, an extrusion spring 15, a sliding block 16 and a fixed clamping tooth 17, the anti-disengagement baffle 14 is fixedly installed at one end of the square rod 13, the extrusion spring 15 is sleeved on the square rod 13, the sliding block 16 is slidably installed on the square rod 13, the fixed clamping tooth 17 is two and is symmetrically fixedly installed at the inner end of the sliding block 16, when in use, the mounting base plate 4 needs to be fixed on the oil pump rear cover machining equipment by using bolts, when the oil pump rear cover is fixed, the oil pump rear cover can be placed on the upper end of the mounting base plate 4, then the clamping cylinder 9 is started, so that the clamping cylinder 9 drives the clamping frame 10 to clamp and fix the oil pump rear cover; when it is needed to adjust the position of one or more movable clamps 2 according to the position required by the oil pump rear cover, the fixed assembly 3 is used to release the fixation of the movable clamp 2 and the workbench 1, then the movable clamp 2 and the fixed assembly 3 thereon are moved, at this time, the movable clamp 2 will slide on the arc-shaped guide rod 5, when the position of the movable clamp 2 is appropriate, the fixed assembly 3 is loosened, so that the movable clamp 2 is fixed with the workbench 1.
[0020] Finally, the movable clamp 2 is arranged on the workbench 1, and the movable clamp 2 can move and adjust the position on the workbench 1, so that the movable clamp 2 can adjust the clamping position according to the shape of the oil pump, and then adapt to different models of oil pump rear covers, and clamp different models of oil pump rear covers with high stability. The fixed assembly 3 is arranged on the workbench 1 and the movable clamp 2, which can conveniently fix the workbench 1 and the movable clamp 2 relative to each other, so that the position adjustment of the movable clamp 2 is more convenient, and finally the fixing efficiency and processing efficiency of the oil pump rear cover can be improved.
[0021] Specifically, a plurality of arc-shaped guide groove 6 are arranged in the annular mounting base plate 4 on the workbench 1, and the arc-shaped guide groove 6 penetrates the mounting base plate 4 up and down. A plurality of arc-shaped communication grooves 7 are arranged on the outer wall of the mounting base plate 4, and the arc-shaped communication grooves 7 are in communication with the arc-shaped guide groove 6. A plurality of clamping tooth grooves 8 are symmetrically arranged on the outer wall of the mounting base plate 4 and on the upper and lower sides of the arc-shaped communication groove 7. The arc-shaped guide rod 5 on the workbench 1 is fixedly installed in the arc-shaped guide groove 6 arranged on the mounting base plate 4. The installation bottom plate 11 on the movable clamp 2 is slidingly installed in the arc-shaped guide groove 6 arranged on the mounting base plate 4. The arc-shaped through hole 12 is arranged on the installation bottom plate 11, and the installation bottom plate 11 is slidingly installed in the arc-shaped guide rod 5 through the arc-shaped through hole 12. When the movable clamp 2 is moved on the workbench 1, the installation bottom plate 11 on the movable clamp 2 will slide on the arc-shaped guide rod 5 on the workbench 1. When the movable clamp 2 is used to fix the oil pump rear cover, the clamping cylinder 9 is started. At this time, the clamping cylinder 9 will drive the clamping frame 10 downward through the piston rod thereon, so that the clamping frame 10 is finally pressed on the oil pump rear cover.
[0022] Specifically, the square rod 13 on the fixing assembly 3 is fixedly installed on the outer wall of the installation base plate 11, the square rod 13 passes through the arc-shaped communication groove 7 on the installation base plate 4, the anti-dropping baffle 14 and the extrusion spring 15 are located on the outer side of the installation base plate 4, the square hole 18 is arranged on the sliding block 16 on the fixing assembly 3, the sliding block 16 is slidably installed on the square rod 13 through the square hole 18, and the sliding block 16 is located between the installation base plate 4 and the extrusion spring 15, the fixing tooth 17 is inserted into the tooth slot 8 on the outer wall of the installation base plate 4, when it is needed to release the fixing of the movable clamp 2 and the workbench 1, the sliding block 16 can be pulled outwards, so that the sliding block 16 and the fixing tooth 17 slide outwards on the square rod 13, at this time, the sliding block 16 can compress the extrusion spring 15, when the fixing tooth 17 is moved out of the tooth slot 8 on the outer wall of the installation base plate 4, the fixing of the movable clamp 2 and the workbench 1 is released; conversely, when it is needed to fix the movable clamp 2 and the workbench 1 together, the sliding block 16 can be loosened, at this time, under the elastic force of the extrusion spring 15, the sliding block 16 and the fixing tooth 17 can be pushed inwards, finally, when the fixing tooth 17 is inserted into the tooth slot 8, the movable clamp 2 and the workbench 1 are fixed together.
[0023] The preferred embodiments of the utility model are described above, and are not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement is carried out to part technical features. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be contained in the protection scope of the utility model. The protection scope of the utility model is defined by the appended claims and equivalents thereof.
Claims
1. A high-stability jig for machining the rear cover of an oil pump, characterized in that: The system includes a worktable (1), which is composed of a mounting base plate (4) and arc-shaped guide rods (5). There are several arc-shaped guide rods (5), all of which are fixedly installed in the mounting base plate (4). Several movable clamps (2) are slidably installed on the worktable (1). Each movable clamp (2) is composed of a clamping cylinder (9), a clamping frame (10), and a mounting base plate (11). The clamping cylinder (9) is fixedly installed on the upper end of the mounting base plate (11), and the clamping frame (10) is fixedly installed on the upper end of the piston rod of the clamping cylinder (9). The workbench (1) and the movable clamp (2) are equipped with a fixing component (3). The fixing component (3) consists of a square rod (13), an anti-detachment baffle (14), a compression spring (15), a sliding block (16), and fixing teeth (17). The anti-detachment baffle (14) is fixedly installed at one end of the square rod (13). The compression spring (15) is sleeved on the square rod (13). The sliding block (16) is slidably installed on the square rod (13). There are two fixing teeth (17) that are symmetrically fixedly installed on the inner end of the sliding block (16).
2. The high-stability oil pump rear cover machining fixture according to claim 1, characterized in that: The mounting base plate (4) on the workbench (1) has several arc-shaped guide rail grooves (6) arranged in a ring, and the arc-shaped guide rail grooves (6) pass through the mounting base plate (4) vertically. Several arc-shaped connecting grooves (7) are provided on the outer wall of the mounting base plate (4), and the arc-shaped connecting grooves (7) are connected to the arc-shaped guide rail grooves (6). Several locking tooth grooves (8) are symmetrically provided on the outer wall of the mounting base plate (4) on the upper and lower sides of the arc-shaped connecting grooves (7).
3. The high-stability oil pump rear cover machining fixture according to claim 2, characterized in that: The arc-shaped guide rod (5) on the workbench (1) is fixedly installed in the arc-shaped guide rail groove (6) opened on the mounting base plate (4).
4. The high-stability oil pump rear cover machining fixture according to claim 3, characterized in that: The mounting base plate (11) on the movable clamp (2) is slidably mounted in the arc-shaped guide rail groove (6) opened on the mounting base plate (4). The mounting base plate (11) is provided with an arc-shaped through hole (12), and the mounting base plate (11) is slidably mounted in the arc-shaped guide rod (5) through the arc-shaped through hole (12).
5. A high-stability jig for machining an oil pump rear cover according to claim 4, characterized in that: The square rod (13) on the fixing component (3) is fixedly installed on the outer wall of the mounting base plate (11). The square rod (13) passes through the arc-shaped connecting groove (7) opened on the mounting base plate (4). The anti-detachment baffle (14) and the compression spring (15) are both located on the outside of the mounting base plate (4).
6. A high-stability jig for machining an oil pump rear cover according to claim 5, characterized in that: The sliding block (16) on the fixing component (3) has a square hole (18). The sliding block (16) is slidably mounted on the square rod (13) through the square hole (18). The sliding block (16) is located between the mounting base (4) and the compression spring (15). The fixing tooth (17) is inserted into the tooth groove (8) opened on the outer wall of the mounting base (4).