CN216759064U - Machining clamp for automobile piston valve pit - Google Patents
Machining clamp for automobile piston valve pit Download PDFInfo
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- CN216759064U CN216759064U CN202220076449.6U CN202220076449U CN216759064U CN 216759064 U CN216759064 U CN 216759064U CN 202220076449 U CN202220076449 U CN 202220076449U CN 216759064 U CN216759064 U CN 216759064U
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- piston
- supporting seat
- lower supporting
- block
- round hole
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- 238000003754 machining Methods 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
The utility model provides a machining clamp for an automobile piston valve pit, relates to the technical field of machine tool clamps, and solves the problems that when the existing machining clamp for the piston valve pit is used for clamping, a piston is not accurately installed, the machining position of the valve pit is wrong, and an engine is damaged; a piston positioning block is fixedly arranged on the right side of the top of the lower supporting seat; a piston positioning shaft is inserted into the piston positioning block; the front side and the rear side of the top of the fixed bottom plate are respectively and fixedly provided with a hydraulic rotary clamping cylinder; the tops of the two hydraulic rotary clamping cylinders are fixedly provided with a pressing plate; the top of the lower supporting seat is also fixedly provided with an anti-error block; and a piston is arranged above the lower supporting seat. This device is pressing from both sides the fastening to the piston and is regularly, and it is more convenient to operate, can be with piston gesture installation moreover correct, and the condition of position error just also can not appear in the valve hole of processing, effectively avoids causing the damage to the engine.
Description
Technical Field
The utility model belongs to the technical field of machine tool fixtures, and particularly relates to a machining fixture for an automobile piston valve pit.
Background
In an engine, in order to prevent the top of a piston from colliding with a valve, a plurality of pits which are correspondingly processed on the top of the piston according to the shape and the position of the valve are generally called valve pits in the industry, and when the valve pits of an automobile piston are processed, the piston needs to be clamped and fixed at first, so that a special processing clamp needs to be used.
Based on the above, the present inventors found that the following problems exist: when an automobile piston is clamped and fastened by the existing piston valve pit processing clamp, a processor is required to recognize the clamping posture of the piston through visual inspection, and the installation direction of the piston is wrong and cannot be found easily, so that the processing position of the piston valve pit is easy to generate errors, and finally an engine is damaged.
In view of the above, the present invention provides a jig for machining an automobile piston valve hole, which is improved in view of the conventional structure and defects, and is expected to achieve a more practical purpose.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a machining clamp for an automobile piston valve pit, and aims to solve the problems that when the existing machining clamp for the piston valve pit is used for clamping, a piston is not accurately installed, the machining position of the valve pit is wrong, and an engine is damaged.
The utility model relates to a processing clamp for an automobile piston valve pit, which has the purposes and effects that the purpose and the effects are achieved by the following specific technical means:
a machining clamp for an automobile piston valve pit comprises a fixed bottom plate; the top of the fixed bottom plate is fixedly provided with a lower supporting seat; a piston positioning block is fixedly arranged on the right side of the top of the lower supporting seat; a piston positioning shaft is inserted into the piston positioning block; the front side and the rear side of the top of the fixed bottom plate are respectively and fixedly provided with a hydraulic rotary clamping cylinder; the tops of the two hydraulic rotary clamping cylinders are fixedly provided with a pressing plate; the top of the lower supporting seat is also fixedly provided with an anti-error block; and a piston is arranged above the lower supporting seat.
Furthermore, a round hole is also formed in the middle of the block-shaped protrusion on the left side of the top of the lower supporting seat, the round hole and the round hole in the middle of the piston positioning block are located on the same straight line, and the diameters of the two round holes are equal.
Furthermore, a round hole penetrating through the left and right is formed in the middle of the piston, and the diameter of the round hole is equal to the diameter of the section of the piston positioning shaft.
Furthermore, a round hole penetrating through the piston positioning block from left to right is formed in the middle of the piston positioning block, and the diameter of the round hole is equal to the diameter of the section of the piston positioning shaft.
Furthermore, the mistake proofing piece is a rectangular block structure, a notch is arranged at the position of the right side of the front of the bottom of the piston, and the width of the notch corresponds to that of the mistake proofing piece.
Furthermore, the whole lower support seat is of an L-shaped plate-shaped structure, and a block-shaped bulge is fixedly arranged on the left side of the top of the lower support seat.
Compared with the prior art, the utility model has the following beneficial effects:
the piston positioning shaft, the lower supporting seat and the piston positioning block are matched to preliminarily fix the piston, the hydraulic rotary clamping cylinder drives the pressing plate to move downwards to further fix the piston, the piston is more stable after being fixed, the top surface of the piston can be pressed to be flat, and meanwhile, a notch at the bottom of the piston can be embedded with the error-proof block when the piston is fixed, so that the piston is positioned, the correct direction of the piston when being processed and fixed is ensured.
Drawings
FIG. 1 is a schematic view of the front-depression-axis-side structure of the piston of the present invention after being fixed.
FIG. 2 is a schematic view of the right dive axis side structure of the piston of the present invention when it is removed.
Fig. 3 is a schematic view of the front elevation axis side structure of the piston of the present invention when removed.
FIG. 4 is a schematic view of a top-down axis side structure of the bottom anchor plate and the bottom anchor according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. fixing the bottom plate; 2. a piston positioning block; 3. a piston positioning shaft; 4. a hydraulic rotary clamping cylinder; 5. pressing a plate; 6. a lower support seat; 7. an error-proofing block; 8. a piston.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the utility model provides a machining clamp for an automobile piston valve pit, which comprises a fixed bottom plate 1; the top of the fixed bottom plate 1 is fixedly provided with a lower supporting seat 6; a round hole is also formed in the middle of the block-shaped bulge on the left side of the top of the lower supporting seat 6, the round hole and the round hole in the middle of the piston positioning block 2 are located on the same straight line, the diameters of the two round holes are equal, and when the piston positioning shaft is fixed, one end of the piston positioning shaft 3 sequentially penetrates through the round hole in the middle of the block-shaped bulge on the left side of the top of the lower supporting seat 6, the round hole in the middle of the piston 8 and the round hole in the middle of the piston positioning block 2, so that the position of the piston 8 can be preliminarily fixed; a piston positioning block 2 is fixedly arranged on the right side of the top of the lower supporting seat 6;
a piston positioning shaft 3 is inserted into the piston positioning block 2; the front side and the rear side of the top of the fixed bottom plate 1 are both fixedly provided with a hydraulic rotary clamping cylinder 4; the top parts of the two hydraulic rotary clamping cylinders 4 are respectively and fixedly provided with a pressing plate 5; the top of the lower supporting seat 6 is also fixedly provided with an error-proof block 7; a piston 8 is arranged above the lower supporting seat 6; the intermediate position of piston 8 is provided with the round hole that runs through about one, and the diameter of this round hole also equals with the cross-sectional diameter of piston location axle 3, passes round hole in the middle of 6 top left side cubic protruding middle round holes of lower carriage, the piston 8 and the round hole in the middle of piston locating piece 2 with the one end of piston location axle 3 in proper order during fixed, like this alright carry out preliminary fixed with the position of piston 8.
Wherein, be provided with a round hole that runs through about in the middle of the piston locating piece 2, and the diameter of round hole equals with the cross-sectional diameter of piston locating shaft 3, passes round hole in the middle of 6 top left side block-shaped archs of lower carriage, the round hole in the middle of the piston 8 and the round hole in the middle of the piston locating piece 2 with the one end of piston locating shaft 3 in proper order during fixed, like this alright carry out preliminary fixed with the position of piston 8.
Wherein, mistake proofing piece 7 is rectangle massive structure, and the oblique right side position in bottom the place ahead of piston 8 is provided with a breach, and the width of breach corresponds with mistake proofing piece 7's width, places piston 8 at 6 tops of under bracing seat during fixed to the breach and the gomphosis of mistake proofing piece 7 looks of making piston 8 bottom just so can guarantee that piston 8 is in the fixed orientation of locating of processing correct, and the condition of position error just also can not appear in the valve hole of consequently later stage processing.
Wherein, the whole L-shaped plate-shaped structure that is of lower support seat 6, its top left side is fixed and is provided with a cubic arch, and this cubic arch can cooperate piston locating piece 2 to carry out preliminary fixed to piston 8.
The specific use mode and function of the embodiment are as follows:
in the utility model, a notch is cut at the bottom of a piston 8 before the valve pit is processed, when the piston 8 is fixed by using the clamp, a fixed bottom plate 1 is fixed on a machine tool workbench, then a pressing plate 5 is pushed upwards by a hydraulic rotary clamping cylinder 4, one end of the pressing plate 5 is rotated to the outer side, at the moment, the piston 8 can be placed at the top of a lower supporting seat 6, and the notch at the bottom of the piston 8 is embedded with an error-proof block 7, so that the piston 8 can be ensured to be positioned in a correct direction during processing and fixing, and the valve pit processed at the later stage can not have position error, then a piston positioning shaft 3 is taken up, one end of the piston positioning shaft 3 sequentially passes through a round hole in the middle of a block-shaped bulge at the top of the lower supporting seat 6, a round hole in the middle of the piston 8 and a round hole in the middle of a piston positioning block 2, so that the position of the piston 8 can be preliminarily fixed, then the hydraulic rotary clamping cylinder 4 is controlled to drive the pressing plate 5 to move downwards until the bottom surface of the pressing plate 5 is tightly attached to the top surface of the piston 8, so that the piston 8 can be firmly pressed and fixed by the pressing plate 5, and then the machining can be started.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. The utility model provides a add clamping apparatus of car piston valve pit which characterized in that: piston valve pit adds clamping apparatus includes: a fixed base plate (1); a lower supporting seat (6) is fixedly arranged at the top of the fixed bottom plate (1); a piston positioning block (2) is fixedly arranged on the right side of the top of the lower supporting seat (6); a piston positioning shaft (3) is inserted into the piston positioning block (2); the front side and the rear side of the top of the fixed bottom plate (1) are respectively and fixedly provided with a hydraulic rotary clamping cylinder (4); the tops of the two hydraulic rotary clamping cylinders (4) are respectively and fixedly provided with a pressure plate (5); the top of the lower supporting seat (6) is also fixedly provided with an anti-error block (7); and a piston (8) is arranged above the lower supporting seat (6).
2. The jig for machining an automobile piston valve pit as set forth in claim 1, wherein: the middle of the piston positioning block (2) is provided with a round hole which penetrates through the left and the right, and the diameter of the round hole is equal to the diameter of the section of the piston positioning shaft (3).
3. The jig for machining an automobile piston valve pit as set forth in claim 1, wherein: the whole lower supporting seat (6) is of an L-shaped plate-shaped structure, and a block-shaped bulge is fixedly arranged on the left side of the top of the lower supporting seat.
4. The jig for machining an automobile piston valve pit as set forth in claim 1, wherein: a round hole is also formed in the middle of the block-shaped bulge on the left side of the top of the lower supporting seat (6), the round hole and the round hole in the middle of the piston positioning block (2) are located on the same straight line, and the diameters of the two round holes are equal.
5. The jig for machining an automobile piston valve pit as set forth in claim 1, wherein: the middle position of piston (8) is provided with a round hole that runs through about, and the diameter of this round hole also equals with the cross-sectional diameter of piston location axle (3).
6. The jig for machining an automobile piston valve pit as set forth in claim 1, wherein: the mistake proofing block (7) is of a rectangular block structure, a notch is formed in the position, on the right side of the front of the bottom of the piston (8), of the piston, and the width of the notch corresponds to the width of the mistake proofing block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220076449.6U CN216759064U (en) | 2022-01-13 | 2022-01-13 | Machining clamp for automobile piston valve pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220076449.6U CN216759064U (en) | 2022-01-13 | 2022-01-13 | Machining clamp for automobile piston valve pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216759064U true CN216759064U (en) | 2022-06-17 |
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ID=81977330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220076449.6U Active CN216759064U (en) | 2022-01-13 | 2022-01-13 | Machining clamp for automobile piston valve pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216759064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342727A (en) * | 2022-08-16 | 2022-11-15 | 湖南江滨机器（集团）有限责任公司 | Piston valve pit position visual detection system |
-
2022
- 2022-01-13 CN CN202220076449.6U patent/CN216759064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342727A (en) * | 2022-08-16 | 2022-11-15 | 湖南江滨机器（集团）有限责任公司 | Piston valve pit position visual detection system |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 442000 No. 150, Checheng West Road, Hongwei street, Zhangwan District, Shiyan City, Hubei Province Patentee after: Hubei Shangxiang Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 442000 No. 150, Checheng West Road, Hongwei street, Zhangwan District, Shiyan City, Hubei Province Patentee before: HUBEI SHANGXIANG AUTOMATION TECHNOLOGY Co.,Ltd. Country or region before: China |