CN215825106U - Camshaft keyway drive polishing clamp - Google Patents
Camshaft keyway drive polishing clamp Download PDFInfo
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- CN215825106U CN215825106U CN202122021683.7U CN202122021683U CN215825106U CN 215825106 U CN215825106 U CN 215825106U CN 202122021683 U CN202122021683 U CN 202122021683U CN 215825106 U CN215825106 U CN 215825106U
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- camshaft
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- supporting plate
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Abstract
The utility model discloses a camshaft keyway driving polishing clamp, which consists of a clamp body, a positioning key (8) and a fixing mechanism, wherein the clamp body consists of a positioning inner sleeve (9) and a positioning outer sleeve (4), the positioning inner sleeve (9) and the positioning outer sleeve (4) are both round, and the camshaft keyway driving polishing clamp is characterized in that the positioning inner sleeve (9) is embedded into the positioning outer sleeve (4) in an interference manner, a through hole is arranged at any corresponding position of a round ring of the positioning inner sleeve (9) and the positioning outer sleeve (4), the positioning key (8) is arranged in the through hole, and the fixing mechanism is fixedly connected with the positioning outer sleeve (4) through a supporting plate (3).
Description
Technical Field
The utility model relates to a camshaft keyway driving polishing clamp.
Background
The conventional camshaft polishing process comprises a manual abrasive belt polishing process and an abrasive belt polishing machine polishing process, wherein the manual abrasive belt polishing process adopts a manual hand-held abrasive belt to polish all shaft necks one by one, generally, the number of the shaft necks to be polished is more than three, the production efficiency of manual polishing is low, more manpower is often invested to meet the capacity requirement, the number of manual operation procedures is large, the risk of processing leakage is large, the labor intensity of workers is high, and the product quality stability is poor. The abrasive belt polishing machine is used for processing, a deflector rod is required to be used when the abrasive belt polishing machine completes processing, the deflector rod and a polishing position are mutually interfered, one or more journals cannot be polished, a polishing procedure needs to be added, the processing cost is increased, and meanwhile the workpiece damage risk is increased.
Disclosure of Invention
The utility model aims to provide a camshaft keyway driving polishing clamp, which overcomes the defects of the prior art, realizes the polishing of all shaft necks by clamping at one time, improves the production efficiency, reduces the production cost, improves the stability of the product quality and reduces the labor intensity of workers.
In order to achieve the purpose, the camshaft keyway driving polishing clamp comprises a clamp body, a positioning key and a fixing mechanism, wherein the clamp body comprises a positioning inner sleeve and a positioning outer sleeve, the positioning inner sleeve and the positioning outer sleeve are both round, the positioning inner sleeve is embedded into the positioning outer sleeve in an interference manner, a through hole is formed in any corresponding position of a round ring of the positioning inner sleeve and the positioning outer sleeve, the positioning key is arranged in the through hole, and the fixing mechanism is fixedly connected with the positioning outer sleeve through a supporting plate.
The fixing mechanism is composed of a supporting plate, a pull rod, a spring, an M5 hexagon socket head cap screw and an M6 hexagon socket head cap screw, wherein the upper portion of the supporting plate is arranged to be a rectangular cavity, two feet of the lower portion of the supporting plate are arranged to be arc-shaped, a through hole is formed in the middle of the upper portion of the rectangular cavity of the supporting plate, the spring is sleeved on the upper portion of a positioning key, the upper portion of the positioning key penetrates through the through hole in the middle of the supporting plate, then the positioning key is fixedly connected with the pull rod through the M5 hexagon socket head cap screw, the arc surface of the lower portion of the supporting plate corresponds to the outer circular surface of the positioning outer sleeve, and the positioning outer sleeve is fixed through the M6 hexagon socket head cap screw.
When the pull rod is lifted, the spring is sleeved on the positioning key to provide thrust in the opposite direction for the supporting plate and the positioning outer sleeve, and the spring is in a compressed state.
The fixing mechanism is characterized in that the lower end of the screw rod is fixedly connected with the positioning key, and the through hole in the positioning outer sleeve is a screw hole corresponding to the screw rod.
The positioning inner sleeve and the positioning outer sleeve are arranged to be concentric circles, the diameter of the outer circle of the positioning inner sleeve is larger than that of the inner circle of the positioning outer sleeve, the positioning inner sleeve is made of high polymer materials or organic materials, the positioning outer sleeve is made of metal materials, and a shifting fork is fixedly connected to the outer circle ring of the positioning outer sleeve at the end opposite to the through hole so as to be connected with a machine tool.
Compared with the prior art, the camshaft keyway driving polishing clamp has the following excellent effects.
According to the camshaft keyway driving polishing clamp, the camshaft is driven to rotate along with the clamp through the positioning key of the clamp, the clamp rotates along with the polishing machine in the forward direction and the reverse direction, forward rotation and reverse rotation required for polishing the camshaft journal are completed, the technical requirements of the process are met, the production efficiency is improved, the product quality stability is improved, the labor intensity of workers is reduced, the defects of multiple manual polishing procedures and low efficiency are overcome while the polishing quality of the camshaft is guaranteed, and the high cost input brought to enterprises by one additional procedure is avoided.
Drawings
FIG. 1 is a schematic view of a camshaft keyway drive buffing fixture of the present invention.
Wherein: 1. the positioning sleeve is an M5 inner hexagonal socket head cap screw, 2 is an M6 inner hexagonal socket head cap screw, 3 is a supporting plate, 4 is a positioning outer sleeve, 5 is a shifting fork, 6 is a pull rod, 7 is a spring, 8 is a positioning key, and 9 is a positioning inner sleeve.
Detailed Description
The camshaft keyway driving polishing jig of the present invention will be described in further detail with reference to the accompanying drawings.
The camshaft keyway drive polishing clamp shown in figure 1 comprises a clamp body, a positioning key 8 and a fixing mechanism, wherein the clamp body comprises a positioning inner sleeve 9 and a positioning outer sleeve 4, the positioning inner sleeve 9 and the positioning outer sleeve 4 are both designed to be circular, the positioning inner sleeve 9 is embedded into the positioning outer sleeve 4 in an interference manner, a through hole is formed in any corresponding position of a circular ring of the positioning inner sleeve 9 and the positioning outer sleeve 4, the positioning key 8 is arranged in the through hole, and the fixing mechanism is fixedly connected with the positioning outer sleeve 4 through a supporting plate 3.
The fixing mechanism is composed of a supporting plate 3, a pull rod 6, a spring 7, an M5 inner hexagonal socket head cap screw 1 and an M6 inner hexagonal socket head cap screw 2, the upper portion of the supporting plate 3 is set to be a rectangular cavity, two feet of the lower portion of the supporting plate 3 are set to be circular arc-shaped, a through hole is formed in the middle of the upper portion of the rectangular cavity of the supporting plate 3, the spring 7 is sleeved on the upper portion of a positioning key 8, the through hole in the middle of the supporting plate 3 penetrates through the upper portion of the positioning key 8, then the supporting plate 3 is fixedly connected with the pull rod 6 through the M5 inner hexagonal socket head cap screw 1, the circular arc surface of the lower portion of the supporting plate 3 corresponds to the outer circular surface of the positioning outer sleeve 4, and the M6 inner hexagonal socket head cap screw 2 is fixed on the positioning outer sleeve 4.
When the pull rod 6 is lifted up, the spring 7 is sleeved on the positioning key 8 to provide thrust in opposite directions for the support plate 3 and the positioning outer sleeve 4, and the spring 7 is in a compressed state.
The fixing mechanism is characterized in that the lower end of the screw rod is fixedly connected with the positioning key 8, the through hole in the positioning outer sleeve 4 is arranged to be a screw hole corresponding to the screw rod, and during clamping, the positioning key 8 only needs to be corresponding to the positioning groove or the positioning hole in the end part of the camshaft, and the positioning key 8 is arranged in the positioning groove or the positioning hole in the end part of the camshaft.
Pulling the pull rod to retract the positioning key, butting the front end of the camshaft with the positioning inner sleeve, loosening the pull rod, automatically extending the compressed spring, manually rotating the camshaft to insert the positioning key into a key groove at the end part of the camshaft, placing the camshaft on a polishing machine after clamping is completed, aligning a machine tool driving lever in the middle of a shifting fork, rotationally driving a clamp to rotate forward and backward by a headstock during machining of the machine tool, driving the camshaft to rotate forward and backward by the positioning key of the clamp, pulling the pull rod to retract the positioning key after polishing is completed, and taking down a workpiece.
Claims (3)
1. The utility model provides a camshaft keyway drive polishing anchor clamps, constitute by anchor clamps body and positioning key (8) and fixed establishment, the anchor clamps body comprises location endotheca (9) and location overcoat (4), location endotheca (9) and location overcoat (4) are all established to circular, in its characterized in that location endotheca (9) interference embedding location overcoat (4), arbitrary corresponding position of location endotheca (9) and location overcoat (4) ring sets up the through-hole, positioning key (8) are put into the through-hole, fixed establishment passes through backup pad (3) and location overcoat (4) fixed connection.
2. A camshaft keyway driving and polishing clamp as claimed in claim 1, wherein the fixing mechanism is a rectangular cavity formed at the upper part of the supporting plate (3), the two lower legs of the supporting plate (3) are arc-shaped, a through hole is formed in the middle part above the rectangular cavity of the supporting plate (3), the spring (7) is sleeved on the upper part of the positioning key (8), the upper part of the positioning key (8) passes through the through hole in the middle part of the supporting plate (3), and then is fixedly connected with the pull rod (6) through the M5 hexagon socket head cap screw (1), the arc surface at the lower part of the supporting plate (3) corresponds to the outer circular surface of the positioning outer sleeve (4), and is fixed on the positioning outer sleeve (4) through the M6 hexagon socket head cap screw (2).
3. The camshaft keyway driving polishing fixture as set forth in claim 1, wherein the fixing means is a screw fixed at its lower end to a positioning key (8), and the through hole of the positioning sleeve (4) is provided as a threaded hole corresponding to the screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122021683.7U CN215825106U (en) | 2021-08-25 | 2021-08-25 | Camshaft keyway drive polishing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122021683.7U CN215825106U (en) | 2021-08-25 | 2021-08-25 | Camshaft keyway drive polishing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215825106U true CN215825106U (en) | 2022-02-15 |
Family
ID=80196991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122021683.7U Active CN215825106U (en) | 2021-08-25 | 2021-08-25 | Camshaft keyway drive polishing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215825106U (en) |
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2021
- 2021-08-25 CN CN202122021683.7U patent/CN215825106U/en active Active
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