CN216138496U - Oil pump zero point positioning quick change frock - Google Patents
Oil pump zero point positioning quick change frock Download PDFInfo
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- CN216138496U CN216138496U CN202122068999.1U CN202122068999U CN216138496U CN 216138496 U CN216138496 U CN 216138496U CN 202122068999 U CN202122068999 U CN 202122068999U CN 216138496 U CN216138496 U CN 216138496U
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- oil pump
- pressing claw
- zero point
- claw
- pressing
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Abstract
The utility model relates to a zero point positioning quick-change tool for an oil pump, which comprises a plurality of groups of detachable sub-clamps; the sub-clamp comprises at least one group of clamping assemblies, and the clamping assemblies are used for clamping the oil pump shell; the clamping assembly comprises a first pressing claw, a second pressing claw and a third pressing claw, and the first pressing claw, the second pressing claw and the third pressing claw limit three translational freedom degrees of the oil pump shell; the first pressing claw and the second pressing claw are attached to the outer wall of the oil pump shell, and the third pressing claw is abutted to the oil pump shell; a first contour block is arranged between the first pressing claw and the second pressing claw, a second contour block is arranged between the second pressing claw and the third pressing claw, and a third contour block is arranged between the first pressing claw and the third pressing claw; the first profile block, the second profile block and the third profile block are respectively abutted to the outer wall of the oil pump shell, and the first profile block, the second profile block and the third profile block limit three rotational degrees of freedom of the oil pump shell. The utility model solves the problems that different products are not accurately positioned after the clamp is switched for a long time, and the clamp body cannot be reused.
Description
Technical Field
The utility model relates to the technical field of auxiliary tools, in particular to a zero point positioning quick-change tool for an oil pump.
Background
The oil pump shell comprises a shell body in an irregular shape, wherein a plurality of through holes are machined in the shell body and used for being connected with bolts.
The oil pump shell needs very accurate measurement and accurate positioning in the machining process, and can be machined and assembled into a qualified and durable workpiece.
At present, the produced oil pump shell parts are different in appearance but similar in size, the existing common clamp is difficult to realize accurate positioning and clamping of the oil pump shell with different appearance, and the defects of low production efficiency and high cost exist.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model discloses a zero point positioning quick-change tool for an oil pump.
The technical scheme adopted by the utility model is as follows:
a quick-change tool for zero positioning of an oil pump comprises a plurality of groups of detachable sub-clamps; the sub-clamp comprises at least one set of clamping assemblies for clamping the oil pump housing;
the clamping assembly comprises a first pressing claw, a second pressing claw and a third pressing claw, and the first pressing claw, the second pressing claw and the third pressing claw limit three translational degrees of freedom of the oil pump shell; the first pressing claw and the second pressing claw are attached to the outer wall of the oil pump shell, and the third pressing claw is abutted to the oil pump shell;
a first contour block is arranged between the first pressing claw and the second pressing claw, a second contour block is arranged between the second pressing claw and the third pressing claw, and a third contour block is arranged between the first pressing claw and the third pressing claw; the first profile block, the second profile block and the third profile block are respectively abutted to the outer wall of the oil pump shell, and the first profile block, the second profile block and the third profile block limit three rotational degrees of freedom of the oil pump shell.
The method is further technically characterized in that: first pressure claw includes integrated into one piece's first finger portion and second finger portion, first finger portion with set up first contained angle between the second finger portion, first pressure claw is connected first clamp plate, first clamp plate is installed on first base.
The method is further technically characterized in that: the second pressure claw includes integrated into one piece's third finger portion and fourth finger portion, third finger portion with set up the second contained angle between the fourth finger portion, the second pressure claw is connected the second clamp plate, the second clamp plate is installed on the second base.
The method is further technically characterized in that: the third pressing claw is trapezoidal in shape, the connection position of each trapezoidal side is in arc transition connection, the third pressing claw is connected with a third pressing plate, and the third pressing plate is installed on a third base.
The method is further technically characterized in that: the clamping assembly further comprises a plane supporting block, the plane supporting block supports the body of the oil pump housing, and the center of the plane supporting block coincides with the center of gravity point of the oil pump housing.
The method is further technically characterized in that: the clamping assembly further comprises a first positioning pin, a second positioning pin and a third positioning pin, and the first positioning pin, the second positioning pin and the third positioning pin respectively penetrate through the through holes of the oil pump shell.
The method is further technically characterized in that: the first positioning pin and the second positioning pin are round pins, and the third positioning pin is a diamond pin.
The method is further technically characterized in that: the sub-clamps are arranged on the bottom plate, a plurality of zero point locators are arranged on the bottom plate, and one zero point locator corresponds to one group of sub-clamps.
The method is further technically characterized in that: the bottom plate is further provided with a guide pin, and the sub-clamp is fastened on the bottom plate through the guide pin.
The method is further technically characterized in that: the bottom of bottom plate is fixed left side supporting seat and right branch seat, left side supporting seat with right branch seat is about the axis symmetry of bottom plate.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
1. the fixture disclosed by the utility model is suitable for processing the oil pump housings with different shapes and similar sizes in the processing process through limitation of six degrees of freedom, so that the problem that the fixture body cannot be repeatedly utilized is solved, the commercialization of processing and producing the oil pump housings is realized, the production efficiency is improved, and the production cost is reduced.
2. The zero point positioner is arranged, so that the problem that different products are not accurately positioned due to long clamp switching time is solved.
3. The utility model changes the prior oil pump shell clamp from a non-detachable structure into a detachable structure, improves the adjustability of the sub-clamp and further improves the flexibility degree of the tool.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a side view of the present invention.
Fig. 5 is a schematic view of the structure of the sub-clip.
Fig. 6 is a top view of the sub-clip.
The specification reference numbers indicate: 1. a sub-clamp; 2. a base plate; 3. a left support seat; 4. a right support seat; 5. an air detection hole; 6. a zero locator; 7. a guide pin; 8. a planar support block; 9. an oil pump housing; 10. a handle; 11. a first pressing claw; 12. a second pressing claw; 13. a third pressing claw; 14. a first platen; 15. a second platen; 16. a third press plate; 17. a first contour block; 18. a second contour block; 19. a third contour block; 20. a first positioning pin; 21. a second positioning pin; 22. and a third positioning pin.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of describing, but not limiting, the utility model, and moreover, like reference numerals designate like elements throughout the embodiments.
Fig. 1 is a schematic structural view of the present invention, fig. 5 is a schematic structural view of a sub-clip, and fig. 6 is a plan view of the sub-clip. With reference to fig. 1, 5 and 6, the oil pump zero point positioning quick-change tool comprises a plurality of detachable sub-fixtures 1. The sub-clamp 1 comprises at least one set of clamping assemblies for clamping the oil pump housing 9. Handles 10 are arranged on two sides of the sub-clamp 1, and the handles 10 facilitate the operator to disassemble and carry the sub-clamp 1.
The clamping assembly comprises a first pressing claw 11, a second pressing claw 12 and a third pressing claw 13, and the first pressing claw 11, the second pressing claw 12 and the third pressing claw 13 limit three translational degrees of freedom of the oil pump shell 9. The first pressing claw 11 and the second pressing claw 12 are attached to the outer wall of the oil pump housing 9, and the third pressing claw 13 abuts against the oil pump housing 9.
A first contour block 17 is arranged between the first pressing claw 11 and the second pressing claw 12, a second contour block 18 is arranged between the second pressing claw 12 and the third pressing claw 13, and a third contour block 19 is arranged between the first pressing claw 11 and the third pressing claw 13. The first contour block 17, the second contour block 18 and the third contour block 19 respectively abut against the outer wall of the oil pump housing 9, and the first contour block 17, the second contour block 18 and the third contour block 19 limit three rotational degrees of freedom of the oil pump housing 9.
The first pressure claw 11 comprises a first finger part and a second finger part which are integrally formed, a first included angle is formed between the first finger part and the second finger part, the first pressure claw 11 is connected with a first pressure plate 14, and the first pressure plate 14 is installed on the first base. Specifically, the first fastening pin passes through the first pressing plate 14 and the first base in sequence, and the operator screws up the first fastening pin to fix the first pressing plate 14 on the first base.
The second pressure claw 12 comprises a third finger part and a fourth finger part which are integrally formed, a second included angle is arranged between the third finger part and the fourth finger part, the second pressure claw 12 is connected with a second pressure plate 15, and the second pressure plate 15 is installed on the second base. Specifically, the second fastening pin passes through the second pressing plate 15 and the second base in sequence, and the operator screws up the second fastening pin to fix the second pressing plate 15 on the second base.
The third pressing claw 13 is trapezoidal, the connection part of each side of the trapezoid is in arc transition connection, the third pressing claw 13 is connected with a third pressing plate 16, and the third pressing plate 16 is installed on a third base. Specifically, the third fastening pin passes through the third pressing plate 16 and the third base in sequence, and the operator screws up the third fastening pin to fix the third pressing plate 16 on the third base.
The clamping assembly further comprises a plane supporting block 8, the plane supporting block 8 supports the body of the oil pump shell 9, and the center of the plane supporting block 8 is coincident with the gravity center point of the oil pump shell 9.
The clamping assembly further comprises a first positioning pin 20, a second positioning pin 21 and a third positioning pin 22, wherein the first positioning pin 20, the second positioning pin 21 and the third positioning pin 22 respectively penetrate through the through holes of the oil pump shell 9. In this embodiment, the positioning pins having matching shapes are selected according to the shape of the through hole of the oil pump housing 9, the first positioning pin 20 and the second positioning pin 21 are round pins, and the third positioning pin 22 is a diamond pin.
Fig. 2 is a front view of the present invention, fig. 3 is a top view of the present invention, and fig. 4 is a side view of the present invention. Referring to fig. 2 to 4, the sub-jig 1 is mounted on the base plate 2, a plurality of zero point locators 6 are disposed on the base plate 2, and one zero point locator 6 corresponds to one set of sub-jigs 1. When the sub-clamp 1 is switched each time, the oil pressure of the zero point positioner 6 is released, the operator can easily take out the sub-clamp 1, and then the sub-clamp 1 to be switched is placed and the oil pressure of the zero point positioner 6 is opened.
The bottom plate 2 is also provided with an air detection hole 5, and whether the sub-clamp 1 is clamped in place or not is determined by the leakage amount of air pressure of the air detection hole 5.
The base plate 2 is further provided with a guide pin 7, and the sub-clamp 1 is fastened on the base plate 2 through the guide pin 7. The bottom of bottom plate 2 is fixed left supporting seat 3 and right supporting seat 4, and left supporting seat 3 and right supporting seat 4 are symmetrical about the axis of bottom plate 2.
The working principle of the utility model is as follows:
the oil pump shell 9 is placed on the plane supporting block 8, the first base, the second base and the third base are respectively connected with an oil pressure corner cylinder, the oil pressure corner cylinder drives the first pressing claw 11, the second pressing claw 12 and the third pressing claw 13 to clamp the oil pump shell 9 tightly, the supporting point of the plane supporting block 8 is consistent with the pressing point of an oil cylinder pressing head on the upper portion of the oil pump shell 9, a supporting point is guaranteed to be arranged at each pressing point of the oil pump shell 9, and bending deformation of a workpiece is avoided after the workpiece is pressed tightly.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.
Claims (10)
1. The utility model provides an oil pump zero point location quick change frock which characterized in that: comprises a plurality of groups of detachable sub-clamps (1); the sub-clamp (1) comprises at least one set of clamping assemblies for clamping an oil pump housing (9);
the clamping assembly comprises a first pressing claw (11), a second pressing claw (12) and a third pressing claw (13), and the first pressing claw (11), the second pressing claw (12) and the third pressing claw (13) limit three translational freedom degrees of the oil pump shell (9); the first pressing claw (11) and the second pressing claw (12) are attached to the outer wall of the oil pump shell (9), and the third pressing claw (13) is abutted to the oil pump shell (9);
a first contour block (17) is arranged between the first pressing claw (11) and the second pressing claw (12), a second contour block (18) is arranged between the second pressing claw (12) and the third pressing claw (13), and a third contour block (19) is arranged between the first pressing claw (11) and the third pressing claw (13); the first contour block (17), the second contour block (18) and the third contour block (19) are respectively abutted against the outer wall of the oil pump housing (9), and the first contour block (17), the second contour block (18) and the third contour block (19) limit three rotational degrees of freedom of the oil pump housing (9).
2. The oil pump zero point positioning quick-change tool according to claim 1, characterized in that: first pressure claw (11) include integrated into one piece's first finger portion and second finger portion, first finger portion with set up first contained angle between the second finger portion, first pressure claw (11) are connected first clamp plate (14), first clamp plate (14) are installed on first base.
3. The oil pump zero point positioning quick-change tool according to claim 1, characterized in that: the second pressure claw (12) comprises a third finger part and a fourth finger part which are integrally formed, a second included angle is formed between the third finger part and the fourth finger part, the second pressure claw (12) is connected with the second pressure plate (15), and the second pressure plate (15) is installed on the second base.
4. The oil pump zero point positioning quick-change tool according to claim 1, characterized in that: the third pressing claw (13) is trapezoidal, the connection positions of all sides of the trapezoid are in arc transition connection, the third pressing claw (13) is connected with a third pressing plate (16), and the third pressing plate (16) is installed on a third base.
5. The oil pump zero point positioning quick-change tool according to claim 1, characterized in that: the clamping assembly further comprises a plane supporting block (8), the plane supporting block (8) supports the body of the oil pump housing (9), and the center of the plane supporting block (8) is coincident with the center of gravity point of the oil pump housing (9).
6. The oil pump zero point positioning quick-change tool according to claim 1, characterized in that: the clamping assembly further comprises a first positioning pin (20), a second positioning pin (21) and a third positioning pin (22), and the first positioning pin (20), the second positioning pin (21) and the third positioning pin (22) respectively penetrate through holes of the oil pump shell (9).
7. The oil pump zero point positioning quick-change tool according to claim 6, characterized in that: the first positioning pin (20) and the second positioning pin (21) are round pins, and the third positioning pin (22) is a diamond pin.
8. The oil pump zero point positioning quick-change tool according to claim 1, characterized in that: the sub-clamps (1) are arranged on the bottom plate (2), a plurality of zero point locators (6) are arranged on the bottom plate (2), and one zero point locator (6) corresponds to one group of sub-clamps (1).
9. The oil pump zero point positioning quick-change tool according to claim 8, characterized in that: the bottom plate (2) is further provided with a guide pin (7), and the sub-clamp (1) is fastened on the bottom plate (2) through the guide pin (7).
10. The oil pump zero point positioning quick-change tool according to claim 8, characterized in that: the bottom of bottom plate (2) is fixed left supporting seat (3) and right supporting seat (4), left side supporting seat (3) with right supporting seat (4) are about the axis symmetry of bottom plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122068999.1U CN216138496U (en) | 2021-08-30 | 2021-08-30 | Oil pump zero point positioning quick change frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122068999.1U CN216138496U (en) | 2021-08-30 | 2021-08-30 | Oil pump zero point positioning quick change frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216138496U true CN216138496U (en) | 2022-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122068999.1U Active CN216138496U (en) | 2021-08-30 | 2021-08-30 | Oil pump zero point positioning quick change frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216138496U (en) |
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2021
- 2021-08-30 CN CN202122068999.1U patent/CN216138496U/en active Active
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