CN215469548U - Self-centering clamp for oil cylinder base part - Google Patents
Self-centering clamp for oil cylinder base part Download PDFInfo
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- CN215469548U CN215469548U CN202120062914.6U CN202120062914U CN215469548U CN 215469548 U CN215469548 U CN 215469548U CN 202120062914 U CN202120062914 U CN 202120062914U CN 215469548 U CN215469548 U CN 215469548U
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- positioning
- oil cylinder
- box body
- clamp
- rod
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- Expired - Fee Related
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- 238000003754 machining Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model provides a self-centering clamp for an oil cylinder base part, which comprises a box-shaped clamp box body and a disc base, wherein one side of the clamp box body is fixedly connected with the disc base, a processing cavity opening is formed in the side opposite to the disc base, and a transverse supporting rod is arranged in the middle of the clamp box body. And a positioning rod is arranged between the transverse supporting rod and the processing cavity opening, and the transverse supporting rod and the positioning rod are arranged perpendicularly to each other and respectively penetrate through the left box wall, the right box wall and the upper box wall and the lower box wall of the clamp box body. The middle part of the positioning rod is provided with a positioning cam positioned at the center of the oil cylinder workpiece working arm, and the oil cylinder workpieces with different distances between the working arms can be fixed by adjusting the rotation degree of the positioning cam without being influenced by the size and the shape of an oil cylinder machining blank. Compared with the conventional fixing mode of the positioning pin, the utility model can always keep accurate positioning, ensure high concentricity of the outer base and the inner work arm of the oil cylinder workpiece, is simple, convenient and efficient, and ensure the quality and precision of the finished oil cylinder workpiece.
Description
Technical Field
The utility model belongs to the technical field of clamps, and particularly relates to a self-centering clamp for an oil cylinder base part.
Background
In the past, when an oil cylinder base is machined, fixing pins are generally adopted to position two sides of an oil cylinder machined part blank, and the mode of fixing the positioning pins is disadvantageous in that when the oil cylinder machined part blank is asymmetric in size and shape, firstly, the positioning pins need to be repeatedly disassembled and assembled to adjust the positioning of a machined part, secondly, the positioning pins cannot accurately fix the machined part to the center of a clamp, the position of the outer base of an oil cylinder is easy to deviate, the circle center of the base is not on the central line between the two inner work arms, the concentricity of the machined oil cylinder work arm and the base is poor, and the quality of the machined oil cylinder work arm is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a self-centering clamp for an oil cylinder base part, which is used for ensuring that the center of a circle of a processed oil cylinder base and an internal working arm have higher concentricity and improving the quality of finished oil cylinder bases.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an hydro-cylinder base part is from line-up clamp, includes the anchor clamps box of box type, disc seat, one side and the disc seat of anchor clamps box be fixed connection, the processing accent has been seted up to one side relative with disc seat on the anchor clamps box, anchor clamps box middle part be provided with horizontal bracing piece, horizontal bracing piece run through anchor clamps box left and right sides face and arrange. A positioning rod is arranged between the transverse supporting rod and the processing cavity opening and penetrates through the upper side surface and the lower side surface of the clamp box body; the positioning rod is vertically arranged with the transverse supporting rod; the positioning device is characterized in that a positioning cam is arranged in the middle of the positioning rod, an arc-shaped rotating positioning part is arranged in the length direction of the positioning cam, the center of the arc-shaped rotating positioning part is located on the axis of the positioning rod, and the positioning cam is located between two working arms of the oil cylinder machining piece A.
Furthermore, one end of the positioning rod is provided with a rotating button, and the rotating button is positioned on the outer side of the fixture box body.
Furthermore, the positioning cam and the positioning rod are of an integrated structure, the positioning cam is a long block, and the contact surface of the positioning cam and the two working arms of the oil cylinder workpiece is a smooth curved surface.
Furthermore, one side of the transverse supporting rod, which is connected with the clamp box body, is provided with an annular gasket, and the transverse supporting rod is fixed on the clamp box body through the annular gasket and a screw.
Still further, a positioning pin is arranged between the side wall of the tool box body and the processing cavity opening.
Compared with the prior art, the clamp box has the technical effect that the middle part of the clamp box body is provided with the transverse supporting rods which penetrate through the left side surface and the right side surface of the clamp box body. And a positioning rod which penetrates through the upper side surface and the lower side surface of the fixture box body is arranged between the transverse supporting rod and the processing cavity opening, the positioning rod and the transverse supporting rod are arranged vertically, and the transverse supporting rod are used for fixing the transverse direction position and the vertical direction position of a processed part respectively. In addition, the middle part of the positioning rod is provided with an arc-shaped rotating positioning part in the length direction, the center of the arc-shaped rotating positioning part is positioned on the axis of the positioning rod and is positioned between the two working arms of the oil cylinder workpiece A, and the workpiece can be always positioned at the center of the clamp box body. The positioning pin arranged between the processing cavity opening and the fixture box body is changed into an auxiliary fixing effect, and compared with the conventional fixing mode of two sides of the positioning pin, the positioning pin disclosed by the utility model can always keep accurate positioning, ensures high concentricity of the external base and the internal arm of the oil cylinder processing piece, is simple, convenient and efficient, is not influenced by the size and the shape of an oil cylinder processing blank, and ensures the quality and the precision of a finished oil cylinder processing piece.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic vertical section of the present invention;
FIG. 4 is a schematic view of a transverse support bar according to the present invention;
FIG. 5 is a schematic view of a positioning rod according to the present invention;
Detailed Description
The utility model is described in detail below with reference to the accompanying drawings: a self-centering clamp for an oil cylinder base part comprises a box-shaped clamp box body 1 and a disc seat 2, wherein one side of the clamp box body 1 is fixedly connected with the disc seat 2, a machining cavity opening 3 is formed in one side opposite to the disc seat 2, and a positioning rod 5 is arranged between a transverse supporting rod 4 and the machining cavity opening 3; the arrangement direction of the positioning rod 5 is vertical to that of the transverse supporting rod 4; the positioning rod 5 and the transverse supporting rod 4 respectively penetrate through opposite surfaces of the clamp box body 1 in different directions;
the middle part of the positioning rod 5 is provided with a positioning cam 51 which is coaxial with the positioning cam. The positioning cam 51 is positioned between the two working arms of the oil cylinder machining piece A and is used for fixing the oil cylinder machining piece A at a machining center position. One end of the positioning rod 5 penetrating out of the fixture box body 1 is provided with a rotating button 52. For controlling the rotational positioning of the positioning cam 52.
The positioning cam 51 and the positioning rod 5 are integrated, and the positioning cam 52 can rotate together with the positioning rod 5 under the control of the external rotating button 52. After the workpiece is rotated to tightly abut against the workpiece, the workpiece is locked through a lower screw. The positioning cam 51 is in a curved surface long block shape, the contact surface of the positioning cam and the two working arms of the oil cylinder workpiece is a smooth curved surface, and the positioning cam is prevented from damaging the working arms of the oil cylinder workpiece in the fixing process while being fixed and tightly abutted.
An annular gasket 41 is arranged on one side of the transverse supporting rod 4 connected with the clamp box body 1, and the transverse supporting rod 4 is fixed on the clamp box body 1 through the annular gasket 41 and a screw. The middle part of the clamp box body 1 is provided with a transverse supporting rod 4; the transverse support rod 4 passes through two arm rings of the oil cylinder machining piece to limit the up-and-down movement of the oil cylinder machining piece.
And a positioning pin 7 is arranged on the fixture box body 1 along the processing cavity opening 3. The positioning pin 7 plays a role in auxiliary support, and the positioning pin 7 can be replaced by a cushion block arranged between the fixture box body 1 and the processing cavity opening 3.
It is to be understood that the described embodiments are merely exemplary of a portion of the utility model and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (5)
1. A self-centering clamp for an oil cylinder base part comprises a box-shaped clamp box body (1) and a disc seat (2), wherein one side of the clamp box body (1) is fixedly connected with the disc seat (2), a machining cavity opening (3) is formed in one side, opposite to the disc seat (2), of the clamp box body (1), a transverse supporting rod (4) is arranged in the middle of the clamp box body (1), and the transverse supporting rod (4) penetrates through the left side surface and the right side surface of the clamp box body (1) to be arranged; the method is characterized in that: a positioning rod (5) is arranged between the transverse supporting rod (4) and the processing cavity opening (3), and the positioning rod (5) penetrates through the upper side surface and the lower side surface of the clamp box body (1) to be arranged; the positioning rod (5) is vertically arranged with the transverse supporting rod (4); the middle part of the positioning rod (5) is provided with a positioning cam (51), the length direction of the positioning cam (51) is provided with an arc-shaped rotating positioning part, the center of the arc-shaped rotating positioning part is positioned on the axis of the positioning rod (5), and the positioning cam (51) is positioned between two work arms of an oil cylinder machining piece (A).
2. The self-centering clamp for the oil cylinder base part according to claim 1, is characterized in that: one end of the positioning rod (5) is provided with a rotating button (52), and the rotating button (52) is positioned on the outer side of the clamp box body (1).
3. The self-centering clamp for the oil cylinder base part according to claim 1, is characterized in that: the positioning cam (51) and the positioning rod (5) are of an integrated structure, the positioning cam (51) is a long block, and the contact surfaces of the positioning cam (51) and the two working arms of the oil cylinder workpiece are smooth curved surfaces.
4. The self-centering clamp for the oil cylinder base part according to claim 1, is characterized in that: the clamp is characterized in that an annular gasket (41) is arranged on one side, connected with the clamp box body (1), of the transverse supporting rod (4), and the transverse supporting rod (4) is fixed on the clamp box body (1) through the annular gasket (41) and the screw (6).
5. The self-centering clamp for the oil cylinder base part according to claim 1, is characterized in that: a positioning pin (7) is arranged between the side wall of the clamp box body (1) and the processing cavity opening (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120062914.6U CN215469548U (en) | 2021-01-11 | 2021-01-11 | Self-centering clamp for oil cylinder base part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120062914.6U CN215469548U (en) | 2021-01-11 | 2021-01-11 | Self-centering clamp for oil cylinder base part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215469548U true CN215469548U (en) | 2022-01-11 |
Family
ID=79760879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120062914.6U Expired - Fee Related CN215469548U (en) | 2021-01-11 | 2021-01-11 | Self-centering clamp for oil cylinder base part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215469548U (en) |
-
2021
- 2021-01-11 CN CN202120062914.6U patent/CN215469548U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |