CN210649681U - Fixing mechanism for machining camshaft cover - Google Patents
Fixing mechanism for machining camshaft cover Download PDFInfo
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- CN210649681U CN210649681U CN201921655864.1U CN201921655864U CN210649681U CN 210649681 U CN210649681 U CN 210649681U CN 201921655864 U CN201921655864 U CN 201921655864U CN 210649681 U CN210649681 U CN 210649681U
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- camshaft cover
- camshaft
- pressing device
- cover
- clamping
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Abstract
The utility model relates to a fixing mechanism for processing a camshaft cover; the method is characterized in that: the clamping device comprises a first pressing device, a second pressing device, a third pressing device, a clamping block, a mandril which props against the camshaft cover and a supporting rod which supports the camshaft cover; the first pressing device, the second pressing device and the third pressing device surround and press down the camshaft cover; the clamping blocks clamp the camshaft cover from both ends of the camshaft cover. The problem of the pushing down force of uncontrollable briquetting, adopt briquetting and kicking block can't lead to camshaft cover curved surface processing deviation etc. to fix totally with camshaft cover with the offset of camshaft cover that current scheme caused is solved.
Description
Technical Field
The utility model relates to an equipment frock, concretely relates to a fixed establishment for camshaft cover processing.
Background
Generally, a camshaft cover is mainly used to cover and protect a camshaft. The camshaft cover is matched with the camshaft for use, and the camshaft cover are assembled and then surround with the connecting rod to form an annular bearing to hold the crankshaft and perform mechanical reciprocating motion and cylindrical motion conversion together with the crankshaft. The camshaft is an important part of an engine, and the processing quality of a camshaft cover is directly related to the stability of the working state of the camshaft. The arc surface of the camshaft cover is a surface directly contacted with the camshaft. Due to the irregular shape of the camshaft cover, it is difficult to fix the camshaft cover. How to fix the camshaft cover and process the arc surface of the camshaft cover becomes a difficult problem.
The existing scheme adopts the technical scheme that pressing blocks for pressing the camshaft cover are arranged at two ends of the camshaft cover, and meanwhile, the jacking blocks are adopted to jack the camshaft cover. Such a solution has the following problems: (1) the pressing block presses the camshaft cover downwards in a screw tightening mode, and the downward pressure of the pressing block cannot be controlled; (2) the camshaft cover cannot be completely fixed by adopting the pressing block and the jacking block, and can be subjected to position deviation during processing; (3) the position deviation of the camshaft cover causes the deviation of the curved surface processing of the camshaft cover.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a be not enough to prior art, the utility model discloses a fixed establishment for camshaft lid processing to solve among the prior art the holding down force of uncontrollable briquetting, adopt briquetting and kicking block can't fix the camshaft lid completely and the skew of camshaft lid leads to camshaft lid curved surface to process the deviation scheduling problem to appear.
The utility model discloses the technical scheme who adopts as follows:
a fixing mechanism for processing a camshaft cover;
the clamping device comprises a first pressing device, a second pressing device, a third pressing device, a clamping block, a mandril which props against the camshaft cover and a supporting rod which supports the camshaft cover; the first pressing device, the second pressing device and the third pressing device surround and press down the camshaft cover; the clamping blocks clamp the camshaft cover from both ends of the camshaft cover.
The further technical scheme is as follows: the first pressing device is an angle cylinder; the second pressing device is an angle cylinder; and the third pressing device is an angle cylinder.
The further technical scheme is as follows: comprises a clamping power device; the clamping power device drives the clamping block to be close to or far away from the camshaft cover.
The further technical scheme is as follows: the clamping power device is a cylinder.
The further technical scheme is as follows: the clamping block is movably arranged on the mounting table; a moving groove is formed in the mounting table; the clamping block is close to or far away from the camshaft cover along the moving groove.
The further technical scheme is as follows: and a limiting boss is arranged at one end of the clamping block close to the camshaft cover.
The further technical scheme is as follows: the limiting boss is C-shaped.
The utility model has the advantages as follows: the utility model discloses a fixed establishment for camshaft cap processing adopts a plurality of closing device around and compress tightly the camshaft cap. The camshaft cover is clamped from both ends thereof by clamping blocks. The fixing mechanism for processing the camshaft cover has the following effects: (1) the pressing device is adopted to press the camshaft cover downwards, so that the pressing force can be well controlled, and the camshaft cover is prevented from being extruded under stress; (2) the fixing mechanism realizes six-point positioning of the camshaft cover, and the camshaft cover does not deviate in position during processing; (3) the camshaft cover is completely fixed, and deviation can not occur when the curved surface of the camshaft cover is processed.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1. a first pressing device; 2. a second pressing device; 3. a third pressing device; 4. a support bar; 5. a clamping block; 51. a limiting boss; 6. an installation table; 61. a moving groove; 62. a support groove; 63. connecting holes; 7. clamping the power device; 71. a connecting rod; 8. and a push rod.
Detailed Description
The following describes a specific embodiment of the present embodiment with reference to the drawings.
Fig. 1 is a top view of the present invention. Fig. 2 is a schematic structural diagram of the present invention. With reference to fig. 1 and 2, the present invention discloses a fixing mechanism for processing a camshaft cover. The direction of X in the figure is the front end of the top view, and the direction of Y in the figure is the right end of the top view. The fixing mechanism for machining the camshaft cover comprises a first pressing device 1, a second pressing device 2, a third pressing device 3, a clamping block 5, a mandril 8 for propping the camshaft cover and a supporting rod 4 for supporting the camshaft cover.
The first pressing device 1, the second pressing device 2 and the third pressing device 3 surround and press the camshaft cover downward. The clamping blocks 5 clamp the camshaft cover from both ends thereof.
The clamping block 5 is movably mounted on a mounting table 6. The mounting table 6 is provided with a moving groove 61. The clamping block 5 approaches or moves away from the camshaft cover along the moving groove 61.
Preferably, the mounting table 6 is rectangular. The mounting table 6 is horizontally arranged in the left-right direction. Preferably, there are three support rods 4. Preferably, the support rod 4 is cylindrical. The support rod 4 is respectively arranged at the middle position of the front end of the mounting table 6, the left position of the rear end of the mounting table 6 and the right position of the rear end of the mounting table 6.
The mounting table 6 is provided with a supporting groove 62. The support grooves 62 are opened at the middle position of the front surface of the mount table 6, the left position of the rear surface of the mount table 6, and the right position of the rear surface of the mount table 6, respectively. Preferably, there are three support grooves 62.
The support bar 4 is placed in the support groove 62. The support bar 4 is vertically mounted. The outer surface of the support rod 4 contacts the surface of the support groove 62.
When the fixing mechanism for machining the camshaft cover clamps the camshaft cover, the camshaft cover is placed on the supporting rod 4. The upper end of the support rod 4 supports the lower surface of the camshaft cover. The upper surface of the support bar 4 engages the lower surface of the camshaft cover. The support rod 4 is arranged in the support groove 62, and the mounting table 6 plays a role in strengthening and fixing the support rod 4. When the supporting rod 4 supports the camshaft cover, the supporting rod 4 cannot shake, and the camshaft cover can be stably supported by the supporting rod 4.
The height of the support bar 4 is greater than the height of the mounting table 6. When the supporting rod 4 supports the camshaft cover, a gap exists between the camshaft cover and the mounting table 6. When the curved surface of the camshaft cover is machined, the machining tool does not touch the mounting table 6.
The clamping blocks 5 are installed at the left and right sides of the upper end of the installation table 6. The upper surface of the mounting table 6 is provided with a moving groove 61. The moving groove 61 is horizontally opened in the left-right direction. Preferably, the clamping block 5 is L-shaped. The lower end of the holding block 5 is fitted into the moving groove 61.
The fixing mechanism for the camshaft cover machining comprises a clamping power device 7. The clamping power means 7 drive the clamping block 5 closer to or further away from the camshaft cover. Preferably, the clamping power device 7 is a cylinder.
The clamping power device 7 is mounted at the lower end of the mounting table 6. A connecting rod 71 is provided on the driving end of the clamping power device 7. The lower end of the connecting rod 71 is connected with the driving end of the clamping power device 7. The upper end of the connecting rod 71 is connected with the clamping block 5.
The connecting rod 71 passes through the mounting table 6. The lower surface of the mounting table 6 is provided with a connecting hole 63. The upper end of the connection hole 63 communicates with the moving groove 61. The connection rod 71 passes through the connection hole 63. The connecting rod 71 is connected to the holding block 5 through a connecting plate.
When the driving end of the clamping power device 7 is contracted, the connecting rod 71 moves downwards and drives the clamping block 5 to move inwards along the moving groove 61. The clamping block 5 is close to the camshaft cover, and the clamping block 5 clamps the camshaft cover.
When the driving end of the clamping power device 7 extends, the connecting rod 71 moves upwards and drives the clamping block 5 to move outwards along the moving groove 61. The clamping block 5 is far away from the camshaft cover, and the clamping block 5 no longer clamps the camshaft cover.
The clamping power device 7 and the selection of the type of the air cylinder belong to the common knowledge. The person skilled in the art can select a cylinder of type SDA50 × 60, for example, depending on the operation of the device.
The holding block 5 can be smoothly moved by the holding power device 7. The clamping power device 7 provides a strong clamping force for the clamping block 5, and the clamping block 5 can firmly clamp the camshaft cover. The clamping block 5 can be stably moved through the moving groove 61, and the clamping block 5 cannot shake when approaching or departing from the camshaft cover.
The clamping block 5 is provided with a limiting boss 51 at one end close to the camshaft cover. Preferably, the restriction boss 51 is C-shaped.
The position of the clamping block 5 where the camshaft cover is clamped is provided with a limiting boss 51. The outer end of the limiting boss 51 is connected with the clamping block 5. The inner end of the limiting boss 51 holds the camshaft cover.
The cam shaft cover can be restrained by the C-shaped limiting boss 51. The camshaft cover is embedded in the restriction boss 51. The restriction bosses 51 are fastened to the left and right ends of the camshaft cover. When the clamping block 5 clamps the camshaft cover, the limiting boss 51 can prevent the camshaft cover from swinging up and down. The clamping block 5 can better clamp the camshaft cover.
The front end of the camshaft cover is provided with a mandril 8. Preferably, there are two ejector pins 8. Preferably, the carrier rod 8 is cylindrical. The ejector rod 8 is horizontally arranged in the front-back direction. The ejector rods 8 respectively push against the left side and the right side of the front end of the camshaft cover. The rear end of the ejector rod 8 abuts against the camshaft cover.
The two ejector rods 8 can stably push against the camshaft cover. When the fixing mechanism for machining the camshaft cover is used for clamping the camshaft cover, the clamping position of the camshaft cover needs to be determined. The clamping block 5 can determine the clamping position of the camshaft cover in the left-right direction. The ejector 8 can determine the clamping position of the camshaft cover in the front-back direction. When the fixing mechanism for machining the camshaft cover clamps the camshaft cover, the rear end of the ejector rod 8 props against the front end of the camshaft cover, and the front and rear positions of the ejector rod 8 can be determined.
Preferably, the first pressing device 1 is an angle cylinder. Preferably, the second pressing device 2 is an angle cylinder. Preferably, the third pressing device 3 is an angle cylinder.
The second hold-down device 2 is mounted to the front end of the camshaft cover. The second pressing device 2 presses down the front end of the upper surface of the camshaft cover.
The first pressing device 1 and the third pressing device 3 are respectively installed at the left end and the right end of the camshaft cover. The first pressing device 1 and the third pressing device 3 press down the left and right ends of the upper surface of the camshaft cover, respectively.
When the camshaft cover needs to be pressed down, the first pressing device 1, the second pressing device 2 and the third pressing device 3 simultaneously press down the camshaft cover. Through the pressing down of three positions, guaranteed that a fixed establishment for camshaft cover processing can be stable compresses tightly the camshaft cover.
The first pressing device 1 is an angle cylinder, and the selection of the type of the angle cylinder belongs to the common knowledge. The skilled person will be able to select the type of corner cylinder, ACKR30 x 90, for example, depending on the operation of the device.
The second hold-down device 2 is a corner cylinder, and the selection of the type of the corner cylinder belongs to the common knowledge. The skilled person will be able to select the type of corner cylinder, ACKR30 x 90, for example, depending on the operation of the device.
The third hold-down device 3 is a corner cylinder, and the selection of the type of the corner cylinder belongs to the common knowledge. Those skilled in the art can select the cylinder according to the working condition of the device, for example, the cylinder with the ACKDL30 × 90 corner can be selected.
When the camshaft cover is clamped, the arc surface of the camshaft cover is positioned at the rear end of the camshaft cover, so that the arc surface can be conveniently processed.
Preferably, the number of the fixing mechanisms for machining the camshaft cover is two. The fixing mechanisms for processing the camshaft cover are arranged in parallel in the left and right directions. The two fastening devices for the camshaft cover machining share a third holding-down device 3. The two parallel fixing mechanisms for machining the camshaft cover can complete machining of the two camshaft covers by clamping at one time. By sharing one third pressing device 3, the production cost is saved.
The third hold-down device 3 is arranged between two fixing mechanisms which are arranged in parallel and used for processing the camshaft cover. The third pressing device 3 adopts a corner cylinder with double pressing plates, and the third pressing device 3 can simultaneously press two camshaft covers.
The first pressing device 1, the second pressing device 2 and the third pressing device 3 restrict the movement of the camshaft cover in the up-down direction, the rotation in the left-right direction and the rotation in the front-back direction. The clamp block 5 and the jack 8 restrict the rotation of the camshaft cover in the up-down direction and the movement in the front-back direction in the left-right direction. The fixing mechanism for machining the camshaft cover realizes six-point positioning of the camshaft cover.
In the present embodiment, the clamping power unit 7 is described as an air cylinder, but the clamping power unit is not limited to this, and may be another power unit within a range capable of functioning.
In the present embodiment, the first pressing device 1 is described as the corner cylinder, but the present invention is not limited thereto, and may be another pressing device within a range capable of functioning.
In the present embodiment, the second pressing device 2 is described as the corner cylinder, but the present invention is not limited thereto, and may be another pressing device within a range capable of functioning.
In the present embodiment, the third pressing device 3 is described as the corner cylinder, but the present invention is not limited thereto, and may be another pressing device within a range capable of functioning.
In the present specification, terms such as "rectangle", "cylindrical", "L-shaped" and "C-shaped" are used, and these terms are not exactly "rectangle", "cylindrical", "L-shaped" and "C-shaped", and may be in a state of "substantially rectangle", "substantially cylindrical", "substantially L-shaped" and "substantially C-shaped" within a range in which the functions thereof can be exhibited.
In the present specification, the number of "two" or "three" is used, but the present invention is not limited thereto, and other numbers may be used as long as the functions thereof can be exerted.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.
Claims (7)
1. The utility model provides a fixed establishment for camshaft cover processing which characterized in that: comprises a first pressing device (1), a second pressing device (2), a third pressing device (3), a clamping block (5), a mandril (8) which props against the camshaft cover and a supporting rod (4) which supports the camshaft cover; the first pressing device (1), the second pressing device (2) and the third pressing device (3) surround and press the camshaft cover; the clamping blocks (5) clamp the camshaft cover from both ends of the camshaft cover.
2. The fixing mechanism for camshaft cap machining according to claim 1, characterized in that: the first pressing device (1) is an angle cylinder; the second pressing device (2) is an angle cylinder; the third pressing device (3) is an angle cylinder.
3. The fixing mechanism for camshaft cap machining according to claim 1, characterized in that: comprises a clamping power device (7); the clamping power device (7) drives the clamping block (5) to be close to or far away from the camshaft cover.
4. The fixing mechanism for camshaft cap machining according to claim 3, characterized in that: the clamping power device (7) is a cylinder.
5. The fixing mechanism for camshaft cap machining according to claim 1, characterized in that: the clamping block (5) is movably arranged on the mounting table (6); a moving groove (61) is formed in the mounting table (6); the clamping block (5) is close to or far away from the camshaft cover along the moving groove (61).
6. The fixing mechanism for camshaft cap machining according to claim 1, characterized in that: and a limiting boss (51) is arranged at one end, close to the camshaft cover, of the clamping block (5).
7. The fixing mechanism for camshaft cap machining according to claim 6, characterized in that: the limiting boss (51) is C-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655864.1U CN210649681U (en) | 2019-09-30 | 2019-09-30 | Fixing mechanism for machining camshaft cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655864.1U CN210649681U (en) | 2019-09-30 | 2019-09-30 | Fixing mechanism for machining camshaft cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210649681U true CN210649681U (en) | 2020-06-02 |
Family
ID=70845662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921655864.1U Active CN210649681U (en) | 2019-09-30 | 2019-09-30 | Fixing mechanism for machining camshaft cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210649681U (en) |
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2019
- 2019-09-30 CN CN201921655864.1U patent/CN210649681U/en active Active
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