CN220260229U - Clamp for machining cylinder cover of automobile engine - Google Patents
Clamp for machining cylinder cover of automobile engine Download PDFInfo
- Publication number
- CN220260229U CN220260229U CN202321693437.9U CN202321693437U CN220260229U CN 220260229 U CN220260229 U CN 220260229U CN 202321693437 U CN202321693437 U CN 202321693437U CN 220260229 U CN220260229 U CN 220260229U
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- Prior art keywords
- locking
- bottom plate
- cylinder cover
- engine cylinder
- automobile engine
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- 238000003754 machining Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 104
- 238000003825 pressing Methods 0.000 claims abstract description 74
- 230000008093 supporting effect Effects 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 17
- 238000007906 compression Methods 0.000 description 17
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a clamp for machining an automobile engine cylinder cover, which comprises a bottom plate, a supporting mechanism, a first compressing mechanism, a second compressing mechanism, a third compressing mechanism, a central compressing mechanism, a first side locking mechanism, a second side locking mechanism and a third side locking mechanism, wherein the supporting mechanism, the first compressing mechanism, the second compressing mechanism and the third compressing mechanism are arranged on the bottom plate, the central compressing mechanism is arranged on the bottom plate and is used for applying pressure to the engine cylinder cover at the center of the engine cylinder cover, and the first side locking mechanism, the second side locking mechanism and the third side locking mechanism are arranged on the bottom plate. According to the clamp for processing the automobile engine cylinder cover, through the cooperation of the arranged central pressing mechanism, the supporting mechanism and the three pressing mechanisms, the clamping and fixing of the automobile engine cylinder cover are realized, the automobile engine cylinder cover is not easy to shake in the processing process, and the processing quality of the automobile engine cylinder cover can be improved.
Description
Technical Field
The utility model belongs to the technical field of clamps, and particularly relates to a clamp for machining a cylinder cover of an automobile engine.
Background
The automobile engine cylinder cover is one of parts with complex structure in an automobile engine, the automobile engine cylinder cover is a component part of a combustion chamber, the cylinder cover is arranged on a cylinder body, and the cylinder is sealed from the upper part to form the combustion chamber.
The automobile engine cylinder cover is fixed to the engine cylinder cover by adopting the clamp in the processing process, a plurality of compression cylinders are arranged on the existing clamp to clamp the engine cylinder cover in a matched mode, but the compression cylinders are only arranged around the engine cylinder cover, the volume of the engine cylinder cover is large, the center of the engine cylinder cover is not clamped, the engine cylinder cover is not clamped firmly enough, the engine cylinder cover is loose in the processing process, and the processing quality of the engine cylinder cover is affected.
The patent document with the authority bulletin number of CN206263654U discloses a clamping tool for three-face processing of an automobile engine cylinder cover, which comprises a plate-shaped clamp body fixed on a machine tool, wherein a cutter feeding hole is formed in the clamp body, three groups of positioning guide mechanisms and three groups of clamping mechanisms are arranged on the clamping surface of the clamp body on the periphery of the cutter feeding hole, the three groups of positioning guide mechanisms are distributed in a triangular shape on the periphery of the cutter feeding hole on the clamp body, and the three groups of clamping mechanisms are distributed in a triangular shape on the periphery of the cutter feeding hole on the clamp body, and the engine cylinder cover clamped between the three groups of positioning guide mechanisms and the three groups of clamping mechanisms on the clamp body forms three processing surfaces of the front face, the back face and the peripheral face. The technical solution disclosed in this patent document also fails to solve the above-described technical problems.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a clamp for machining an automobile engine cylinder cover, and aims to improve the reliability of clamping and fixing the automobile engine cylinder cover.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the clamp for machining the automobile engine cylinder cover comprises a bottom plate, a supporting mechanism, a first compressing mechanism, a second compressing mechanism, a third compressing mechanism, a central compressing mechanism, a first side locking mechanism, a second side locking mechanism and a third side locking mechanism, wherein the supporting mechanism, the first compressing mechanism, the second compressing mechanism and the third compressing mechanism are arranged on the bottom plate, the central compressing mechanism is arranged on the bottom plate and used for applying pressure to the engine cylinder cover at the center of the engine cylinder cover, and the first side locking mechanism, the second side locking mechanism and the third side locking mechanism are arranged on the bottom plate.
The central pressing mechanism comprises a positioning block arranged on the bottom plate, a positioning shaft penetrating through the positioning block and used for penetrating through a central hole of the engine cylinder cover, a pressing plate sleeved on the positioning shaft and used for applying pressure to the engine cylinder cover, and a locking nut arranged on the positioning shaft, wherein the locking nut is positioned above the pressing plate.
And a gasket is arranged between the lock nut and the pressing plate.
The first hold-down mechanism is including set up in first pneumatic cylinder on the bottom plate, with the first depression bar of the piston rod connection of first pneumatic cylinder and set up in the first briquetting of the hold-down end of first depression bar, the second hold-down mechanism including set up in second pneumatic cylinder on the bottom plate, the second depression bar of being connected with the piston rod of second pneumatic cylinder and set up in the second briquetting of the hold-down end of second depression bar, the third hold-down mechanism including set up in third pneumatic cylinder on the bottom plate, with the third depression bar of the piston rod connection of third pneumatic cylinder and set up in the third briquetting of the hold-down end of third depression bar.
The first side locking mechanism comprises a first locking seat arranged on the bottom plate and a first locking pin arranged on the first locking seat, and the first locking pin is horizontally arranged.
The second side locking mechanism comprises a second locking seat arranged on the bottom plate and a second locking pin arranged on the second locking seat, wherein the second locking pin is horizontally arranged, and the axis of the second locking pin is parallel to the axis of the first locking pin.
The third side locking mechanism comprises a third locking seat arranged on the bottom plate and a third locking pin arranged on the third locking seat, wherein the third locking pin is horizontally arranged, and the axis of the third locking pin is perpendicular to the axis of the second locking pin.
The supporting mechanism comprises supporting nails arranged on the bottom plate, wherein the total number of the supporting nails is three, and all the supporting nails are distributed around the central pressing mechanism.
According to the clamp for processing the automobile engine cylinder cover, through the cooperation of the arranged central pressing mechanism, the supporting mechanism and the three pressing mechanisms, the clamping and fixing of the automobile engine cylinder cover are realized, the automobile engine cylinder cover is not easy to shake in the processing process, and the processing quality of the automobile engine cylinder cover can be improved.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a top view of a fixture for machining a cylinder head of an automobile engine according to the present utility model;
FIG. 2 is a front view of the fixture for machining a cylinder head of an automobile engine according to the present utility model;
FIG. 3 is a side view of the fixture for machining a cylinder head of an automobile engine of the present utility model;
FIG. 4 is a schematic structural view of a central hold-down mechanism;
marked in the figure as: 1. a bottom plate; 2. a first hydraulic cylinder; 3. a first compression bar; 4. a second hydraulic cylinder; 5. a second compression bar; 6. a third hydraulic cylinder; 7. a third compression bar; 8. a first locking seat; 9. a first locking pin; 10. the second locking seat; 11. a second locking pin; 12. a third locking seat; 13. a third locking pin; 14. a first support pin; 15. a second support pin; 16. a third support pin; 17. a positioning block; 18. a second positioning pin; 19. positioning a shaft; 20. a gasket; 21. a lock nut; 22. a pressing plate; 23. a first locating pin.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the utility model, and to aid in its practice, by those skilled in the art.
It should be noted that, in the following embodiments, the "first", "second" and "third" do not represent an absolute distinction between structures and/or functions, and do not represent a sequential order of execution, but are merely for convenience of description.
As shown in fig. 1 to 4, the present utility model provides a fixture for machining an engine cylinder head of an automobile, comprising a base plate 1, a supporting mechanism, a first pressing mechanism, a second pressing mechanism and a third pressing mechanism which are arranged on the base plate 1, a central pressing mechanism which is arranged on the base plate 1 and is used for applying pressure to the engine cylinder head at the center of the engine cylinder head, and a first side locking mechanism, a second side locking mechanism and a third side locking mechanism which are arranged on the base plate 1.
Specifically, as shown in fig. 1 to 3, the bottom plate 1 is horizontally arranged, the bottom plate 1 is a rectangular plate, the length direction of the bottom plate 1 is parallel to the first direction, the width direction of the bottom plate 1 is parallel to the second direction, the first direction and the second direction are both horizontal directions, and the first direction and the second direction are perpendicular. The first pressing mechanism, the second pressing mechanism and the third pressing mechanism are distributed around the central pressing mechanism in three points, the first pressing mechanism and the second pressing mechanism are located on the same straight line parallel to the first direction, the central pressing mechanism and the third pressing mechanism are located on the same straight line parallel to the second direction, the first pressing mechanism and the second pressing mechanism are distributed on two opposite sides of a vertical surface penetrating through a central hole of the engine cylinder cover and perpendicular to the first direction, pressing force is applied to the engine cylinder cover at three positions of the engine cylinder cover by the first pressing mechanism, the second pressing mechanism and the third pressing mechanism, pressure is applied to the engine cylinder cover at the central hole of the engine cylinder cover by the central pressing mechanism, and after the engine cylinder cover is clamped and fixed in a horizontal state, the axis of the central hole of the engine cylinder cover is the vertical line.
As shown in fig. 1 and 4, the central pressing mechanism comprises a positioning block 17 arranged on the base plate 1, a positioning shaft 19 penetrating through the positioning block 17 and used for penetrating through a central hole of the engine cylinder cover, a pressing plate 22 sleeved on the positioning shaft 19 and used for applying pressure to the engine cylinder cover, and a locking nut 21 arranged on the positioning shaft 19, wherein the locking nut 21 is positioned above the pressing plate 22. The positioning block 17 is fixedly arranged on the top surface of the bottom plate 1, the top surface of the positioning block 17 is used for being contacted with the bottom surface of the engine cylinder cover, and the top surface of the positioning block 17 is a plane parallel to the first direction and the second direction. The positioning shaft 19 is vertically arranged, the lower end of the positioning shaft 19 is fixedly connected with the positioning block 17, the positioning shaft 19 upwards penetrates through the positioning block 17 and the central hole of the engine cylinder cover, and the positioning block 17 and the positioning shaft 19 are coaxially arranged. The center of the pressing plate 22 is provided with a through hole for the positioning shaft 19 to pass through, the locking nut 21 is in threaded connection with the upper end of the positioning shaft 19, and after the locking nut 21 is screwed down, the locking nut 21 can apply downward pressure to the pressing plate 22, so that the pressing plate 22 can apply downward pressure to the engine cylinder cover below. After the lock nut 21 is unscrewed and the pressing plate 22 is removed from the positioning shaft 19, the machined engine cylinder head can be removed.
Preferably, as shown in fig. 4, a washer 20 is arranged between the lock nut 21 and the pressing plate 22, and the washer 20 is sleeved on the positioning shaft 19 to play a role in locking.
As shown in fig. 1 to 3, the supporting mechanism includes three supporting nails disposed on the bottom plate 1, and all the supporting nails are distributed around the central pressing mechanism. The three support nails are respectively a first support nail 14, a second support nail 15 and a third support nail 16, the first support nail 14, the second support nail 15 and the third support nail 16 are vertically arranged on the bottom plate 1, the first support nail 14 and the second support nail 15 are positioned on the same straight line parallel to the first direction, the central pressing mechanism and the third support nail 16 are positioned on the same straight line parallel to the second direction, the engine cylinder cover is placed on the first support nail 14, the second support nail 15 and the third support nail 16, and the first support nail 14, the second support nail 15 and the third support nail 16 provide a supporting effect for the engine cylinder cover.
As shown in fig. 1 to 3, the first pressing mechanism includes a first hydraulic cylinder 2 disposed on the base plate 1, a first pressing rod 3 connected with a piston rod of the first hydraulic cylinder 2, and a first pressing block disposed at a pressing end of the first pressing rod 3, the second pressing mechanism includes a second hydraulic cylinder 4 disposed on the base plate 1, a second pressing rod 5 connected with a piston rod of the second hydraulic cylinder 4, and a second pressing block disposed at a pressing end of the second pressing rod 5, and the third pressing mechanism includes a third hydraulic cylinder 6 disposed on the base plate 1, a third pressing rod 7 connected with a piston rod of the third hydraulic cylinder 6, and a third pressing block disposed at a pressing end of the third pressing rod 7. The first hydraulic cylinder 2 and the first support pin 14 are on the same straight line parallel to the second direction, the second hydraulic cylinder 4 and the second support pin 15 are on the same straight line parallel to the second direction, the third hydraulic cylinder 6 and the third support pin 16 are on the same straight line parallel to the second direction, and the third support pin 16 is positioned between the third hydraulic cylinder 6 and the central pressing mechanism. The length direction of the first compression bar 3 is parallel to the bottom plate 1, one end of the first compression bar 3 is fixedly connected with the upper end of a piston rod of the first hydraulic cylinder 2, the other end of the first compression bar 3 is a compression end provided with a first compression block, and the first compression block is used for being in contact with an engine cylinder cover. The length direction of the second compression bar 5 is parallel to the bottom plate 1, one end of the second compression bar 5 is fixedly connected with the upper end of a piston rod of the second hydraulic cylinder 4, the other end of the second compression bar 5 is a compression end provided with a second compression block, and the second compression block is used for being in contact with an engine cylinder cover. The length direction of the third pressing rod 7 is parallel to the bottom plate 1, one end of the third pressing rod 7 is fixedly connected with the upper end of a piston rod of the third hydraulic cylinder 6, the other end of the third pressing rod 7 is a pressing end provided with a third pressing block, and the third pressing block is used for being in contact with an engine cylinder cover.
As shown in fig. 1 to 3, the first side locking mechanism includes a first locking seat 8 fixedly provided on the base plate 1 and a first locking pin 9 provided on the first locking seat 8, and the first locking pin 9 is horizontally provided. The first locking seat 8 and the first supporting nail 14 are positioned on the same straight line parallel to the first direction, the first locking pin 9 is horizontally arranged, the axis of the first locking pin 9 is parallel to the second direction, the first locking pin 9 is in threaded connection with the first locking seat 8, external threads are arranged on the outer circular surface of the first locking pin 9, and a threaded hole is formed in the upper end of the first locking seat 8. The first locking pin 9 is used for being inserted into a hole formed in the first outer surface of the engine cylinder cover, so that the engine cylinder cover can be limited in the first direction, the engine cylinder cover is ensured to be fixed more firmly, and the processing quality is improved. Through screwing the first locking pin 9, the first locking pin 9 can be inserted into a hole formed in the first outer surface of the engine cylinder cover and pulled out of the hole, and the threaded connection mode is adopted, so that the engine cylinder cover is convenient and simple to operate and high in efficiency.
As shown in fig. 1 to 3, the second side locking mechanism includes a second locking seat 10 fixedly provided on the base plate 1 and a second locking pin 11 provided on the second locking seat 10, the second locking pin 11 being horizontally disposed. The second locking seat 10 and the second hydraulic cylinder 4 are positioned on the same straight line parallel to the first direction, the second locking pin 11 is horizontally arranged, the axis of the second locking pin 11 is parallel to the second direction, the second locking pin 11 is in threaded connection with the second locking seat 10, external threads are arranged on the outer circular surface of the second locking pin 11, and a threaded hole is formed in the upper end of the second locking seat 10. The second outer surface and the first outer surface of the engine cylinder cover are distributed in a V shape, and the second locking pin 11 is used for being inserted into a hole formed in the second outer surface of the engine cylinder cover, so that the engine cylinder cover can be limited in the first direction, the engine cylinder cover is ensured to be fixed more firmly, and the processing quality is improved. Through screwing the second locking pin 11, the second locking pin 11 can be inserted into a hole formed in the second outer surface of the engine cylinder cover and pulled out of the hole, and the operation is convenient and simple in a threaded connection mode, and the efficiency is high.
As shown in fig. 1 to 3, the third side locking mechanism includes a third locking seat 12 fixedly provided on the base plate 1 and a third locking pin 13 provided on the third locking seat 12, the third locking pin 13 being horizontally provided. The third locking seat 12 and the third supporting nail 16 are positioned on the same straight line parallel to the first direction, the third locking seat 12 and the third locking seat 12 are positioned on the same straight line parallel to the second direction, the third locking pin 13 is horizontally arranged, the axis of the third locking pin 13 is parallel to the third direction, the third locking pin 13 is in threaded connection with the third locking seat 12, external threads are arranged on the outer circular surface of the third locking pin 13, and a threaded hole is formed in the upper end of the third locking seat 12. The third outer surface and the first outer surface of the engine cylinder cover are distributed in a V shape, and the third locking pin 13 is used for being inserted into a hole formed in the third outer surface of the engine cylinder cover, so that the engine cylinder cover can be limited in the second direction, the engine cylinder cover is ensured to be fixed more firmly, and the processing quality is improved. Through screwing the third locking pin 13, the third locking pin 13 can be inserted into a hole formed in the third outer surface of the engine cylinder cover and pulled out of the hole, and the operation is convenient and simple in a threaded connection mode, and the efficiency is high.
As shown in fig. 1 to 3, a first positioning pin 23 and a second positioning pin 18 for positioning the engine cylinder cover are arranged on the base plate 1, the first positioning pin 23 and the second positioning pin 18 are vertically arranged on the top surface of the base plate 1, the first positioning pin 23 is a cylindrical pin, the second positioning pin 18 is a diamond pin, the first positioning pin 23, the second supporting pin 15 and the second hydraulic cylinder 4 are positioned on the same straight line parallel to the first direction, and the second positioning pin 18 and the third locking seat 12 are positioned on the same straight line parallel to the second direction.
The utility model is described above by way of example with reference to the accompanying drawings. It will be clear that the utility model is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present utility model; or the utility model is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the utility model.
Claims (8)
1. Clamp for machining automobile engine cylinder cover, including bottom plate, supporting mechanism, first hold-down mechanism, second hold-down mechanism and the third hold-down mechanism of setting on the bottom plate, its characterized in that: the engine cylinder cover locking device further comprises a central pressing mechanism which is arranged on the bottom plate and used for applying pressure to the engine cylinder cover at the center of the engine cylinder cover, and a first side locking mechanism, a second side locking mechanism and a third side locking mechanism which are arranged on the bottom plate.
2. The jig for machining a cylinder head of an automobile engine according to claim 1, wherein: the central pressing mechanism comprises a positioning block arranged on the bottom plate, a positioning shaft penetrating through the positioning block and used for penetrating through a central hole of the engine cylinder cover, a pressing plate sleeved on the positioning shaft and used for applying pressure to the engine cylinder cover, and a locking nut arranged on the positioning shaft, wherein the locking nut is positioned above the pressing plate.
3. The jig for machining a cylinder head of an automobile engine according to claim 2, wherein: and a gasket is arranged between the lock nut and the pressing plate.
4. A jig for machining a cylinder head of an automobile engine according to any one of claims 1 to 3, characterized in that: the first hold-down mechanism is including set up in first pneumatic cylinder on the bottom plate, with the first depression bar of the piston rod connection of first pneumatic cylinder and set up in the first briquetting of the hold-down end of first depression bar, the second hold-down mechanism including set up in second pneumatic cylinder on the bottom plate, the second depression bar of being connected with the piston rod of second pneumatic cylinder and set up in the second briquetting of the hold-down end of second depression bar, the third hold-down mechanism including set up in third pneumatic cylinder on the bottom plate, with the third depression bar of the piston rod connection of third pneumatic cylinder and set up in the third briquetting of the hold-down end of third depression bar.
5. A jig for machining a cylinder head of an automobile engine according to any one of claims 1 to 3, characterized in that: the first side locking mechanism comprises a first locking seat arranged on the bottom plate and a first locking pin arranged on the first locking seat, and the first locking pin is horizontally arranged.
6. The jig for machining a cylinder head of an automobile engine according to claim 5, wherein: the second side locking mechanism comprises a second locking seat arranged on the bottom plate and a second locking pin arranged on the second locking seat, wherein the second locking pin is horizontally arranged, and the axis of the second locking pin is parallel to the axis of the first locking pin.
7. The jig for machining a cylinder head of an automobile engine according to claim 6, wherein: the third side locking mechanism comprises a third locking seat arranged on the bottom plate and a third locking pin arranged on the third locking seat, wherein the third locking pin is horizontally arranged, and the axis of the third locking pin is perpendicular to the axis of the second locking pin.
8. A jig for machining a cylinder head of an automobile engine according to any one of claims 1 to 3, characterized in that: the supporting mechanism comprises supporting nails arranged on the bottom plate, wherein the total number of the supporting nails is three, and all the supporting nails are distributed around the central pressing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321693437.9U CN220260229U (en) | 2023-06-29 | 2023-06-29 | Clamp for machining cylinder cover of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321693437.9U CN220260229U (en) | 2023-06-29 | 2023-06-29 | Clamp for machining cylinder cover of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220260229U true CN220260229U (en) | 2023-12-29 |
Family
ID=89301926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321693437.9U Active CN220260229U (en) | 2023-06-29 | 2023-06-29 | Clamp for machining cylinder cover of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220260229U (en) |
-
2023
- 2023-06-29 CN CN202321693437.9U patent/CN220260229U/en active Active
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