CN216706460U - Eccentric pin clamping and positioning mechanism - Google Patents
Eccentric pin clamping and positioning mechanism Download PDFInfo
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- CN216706460U CN216706460U CN202122497028.9U CN202122497028U CN216706460U CN 216706460 U CN216706460 U CN 216706460U CN 202122497028 U CN202122497028 U CN 202122497028U CN 216706460 U CN216706460 U CN 216706460U
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Abstract
The utility model discloses an eccentric pin clamping and positioning mechanism, which belongs to the technical field of automobile manufacturing and comprises an eccentric assembly arranged on a positioning support assembly, wherein the positioning support assembly comprises: the eccentric assembly comprises an eccentric shaft which is rotatably arranged on the workbench, one end of the eccentric shaft is fixed at a position, close to the outer edge, of an eccentric cover plate, and the eccentric cover plate is in sliding fit with the workbench and is positioned through a buckle. The utility model provides an eccentric pin clamping and positioning mechanism, which adopts an eccentric shaft to drive an eccentric cover plate to be in sliding fit with a workbench, and limits two limit positions of the eccentric cover plate through a buckle assembly, so that the situation that the traditional positioning pin mechanism is matched and clamped with a clamping jaw is changed, one positioning of a sheet metal part is met, the operation of the traditional clamping jaw can be omitted, and the stability is good.
Description
Technical Field
The utility model discloses an eccentric pin clamping and positioning mechanism, and belongs to the technical field of automobile manufacturing.
Background
At present, the automobile manufacturing industry in China is rapidly developing and gradually becomes one of the post industries in China. In the automobile manufacturing process, the automobile body production is a relatively important link, and the key process is the automobile body welding. To weld the various body parts together, a clamp must be present to fix the part position. Therefore, the clamp is an important auxiliary tool, and the reasonability of the clamp not only affects the accuracy of a processing position and the welding quality, but also affects the working efficiency and the production cost.
The existing vehicle type production is only that the traditional positioning pin mechanism is matched with the clamping jaw to clamp, the structure is relatively complex, and the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of relatively complex structure and high manufacturing cost of the existing positioning pin mechanism, and provides an eccentric pin clamping and positioning mechanism.
The utility model aims to solve the problems and is realized by the following technical scheme:
an eccentric pin clamping and positioning mechanism, comprising an eccentric assembly arranged on a positioning support assembly, wherein the positioning support assembly comprises: the eccentric assembly comprises an eccentric shaft which is rotatably arranged on the workbench, one end of the eccentric shaft is fixed at a position, close to the outer edge, of an eccentric cover plate, and the eccentric cover plate is in sliding fit with the workbench and is positioned through a buckle.
Preferably, the side surface of the positioning support is provided with a sliding groove, and a rotating handle is fixed on the eccentric shaft and can rotate along the sliding groove.
Preferably, the workbench is provided with a fastener counter bore, a fastener assembly is arranged in the fastener counter bore, the fastener assembly comprises a fastener spring and a fastener ball which are arranged in the fastener counter bore, the fastener spring and the fastener ball are locked in the fastener counter bore through a cover plate, the cover plate is provided with a cover plate through hole matched with the fastener ball, and the bottom of the eccentric cover plate is provided with an eccentric cover plate positioning hole matched and positioned with the fastener ball.
Preferably, the buckle spring is arranged between the bottom of the buckle counter bore and the buckle ball, the cover plate through hole is a taper hole, the inner diameter of the large end of the cover plate through hole is smaller than or equal to the diameter of the buckle counter bore, the diameter of the buckle ball is smaller than or equal to the diameter of the buckle counter bore, and the inner diameter of the large end of the cover plate through hole is larger than or equal to the diameter of the large end of the cover plate through hole.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides an eccentric pin clamping and positioning mechanism, which adopts an eccentric shaft to drive an eccentric cover plate to be in sliding fit with a workbench, and limits two limit positions of the eccentric cover plate through a buckle assembly, so that the situation that the traditional positioning pin mechanism is matched and clamped with a clamping jaw is changed, one positioning of a sheet metal part is met, the operation of the traditional clamping jaw can be omitted, and the stability is good.
Drawings
FIG. 1 is an isometric view of an eccentric pin clamping and positioning mechanism of the present invention.
FIG. 2 is an isometric view of a positioning bracket assembly of an eccentric pin clamping and positioning mechanism of the present invention.
FIG. 3 is an isometric view of an eccentric assembly of an eccentric pin clamping and positioning mechanism of the present invention.
FIG. 4 is an isometric view of a catch assembly of an eccentric pin clamping and locating mechanism of the present invention.
FIG. 5 is an isometric view of an eccentric pin clamping and positioning mechanism of the present invention in operation.
The device comprises a positioning support assembly 1, a positioning support 11, a workbench 12, a sliding groove 111, an eccentric assembly 2, a rotating handle 21, an eccentric shaft 22, an eccentric cover plate 23, an eccentric cover plate positioning hole 231, a buckle assembly 3, a cover plate 31, a buckle ball 32, a locking screw 33, a buckle spring 34 and a sheet metal part 4.
Detailed Description
The utility model is further illustrated below with reference to the accompanying figures 1-5:
the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a first embodiment of the present invention provides an eccentric pin clamping and positioning mechanism based on the prior art, which comprises an eccentric assembly 2 mounted on a positioning support assembly 1, and the structure and the assembling relationship of the above-mentioned assemblies will be described in detail.
As shown in fig. 2 to 3, the positioning support assembly 1 includes: location support 11 and workstation 12, workstation 12 is installed on location support 11, and eccentric assembly 2 includes: the side surface of the positioning support 11 is provided with a sliding groove 111, one end of the eccentric shaft 22 is fixed at the position, close to the outer edge, of the eccentric cover plate 23 through threads, mounting holes are formed in the positioning support 11 and the workbench 12 respectively, the eccentric shaft 22 penetrates through the mounting holes, the rotating handle 21 is fixed on the eccentric shaft 22 through threads, and the rotating handle 21 can rotate along the sliding groove 111. When the eccentric shaft 22 is rotated by the rotating handle 21, the eccentric cover plate 23 is also rotated, and the eccentric cover plate 23 is slidably engaged with the worktable 12 and positioned by the snap assembly 3.
As shown in fig. 4, a buckle counter bore is formed in the workbench 12, a buckle assembly 3 is installed in the buckle counter bore, the buckle assembly 3 includes a buckle spring 34 and a buckle ball 32 installed in the buckle counter bore, the buckle spring 34 and the buckle ball 32 are locked in the buckle counter bore through a cover plate 31, for smoothness of the workbench 12, a cover plate groove matched with the cover plate 31 is further formed in the workbench 12, a cover plate through hole matched with the buckle ball 32 is formed in the cover plate 31, an eccentric cover plate positioning hole 231 matched and positioned with the buckle ball 32 is formed in the bottom of the eccentric cover plate 23, the diameter of the buckle ball 32 is smaller than or equal to that of the buckle counter bore, and the inner diameter of the large end of the cover plate through hole is larger than or equal to that of the diameter of the buckle counter bore.
The specific working mode is as follows:
when the eccentric clamping device is used, as shown in fig. 5, the installation hole of the sheet metal part 4 is installed on the workbench 12, when the rotating handle 21 drives the eccentric shaft 22 to rotate, the eccentric cover plate 23 also rotates, the eccentric cover plate 23 is in sliding fit with the workbench 12, and is matched with the eccentric cover plate positioning hole 231 through the buckling ball 32 on the buckling assembly 3, two limit positions of the eccentric cover plate 23 are limited, wherein one limit position is that the buckling ball 32 is an initial position in the eccentric cover plate positioning hole 231, and the other limit position is that when the eccentric cover plate 23 rotates until the side surface of the eccentric cover plate 23 contacts the buckling ball 32, the eccentric cover plate 23 and the workbench 12 form an eccentric extrusion clamping force, so that the traditional positioning pin mechanism is changed to be matched and clamped with the clamping jaw, one positioning of the sheet metal part is met, the operation of the traditional clamping jaw can be omitted, and the stability is good.
While embodiments of the utility model have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the utility model not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (4)
1. An eccentric pin clamping and positioning mechanism, comprising an eccentric assembly (2) arranged on a positioning support assembly (1), wherein the positioning support assembly (1) comprises: the eccentric assembly (2) comprises an eccentric shaft (22) rotatably mounted on the workbench (12), one end of the eccentric shaft (22) is fixed to an eccentric cover plate (23) close to the outer edge, and the eccentric cover plate (23) is in sliding fit with the workbench (12) and is positioned through a buckle.
2. An eccentric pin clamping and positioning mechanism according to claim 1, characterized in that the side of the positioning support (11) is provided with a sliding groove (111), the eccentric shaft (22) is fixed with a rotating handle (21), and the rotating handle (21) can rotate along the sliding groove (111).
3. The eccentric pin clamping and positioning mechanism according to claim 1 or 2, wherein a buckle counter bore is formed in the workbench (12), a buckle assembly (3) is arranged in the buckle counter bore, the buckle assembly (3) comprises a buckle spring (34) and a buckle ball (32) which are arranged in the buckle counter bore, the buckle spring (34) and the buckle ball (32) are locked in the buckle counter bore through a cover plate (31), a cover plate through hole matched with the buckle ball (32) is formed in the cover plate (31), and an eccentric cover plate positioning hole (231) matched and positioned with the buckle ball (32) is formed in the bottom of the eccentric cover plate (23).
4. The eccentric pin clamping and positioning mechanism according to claim 3, wherein the snap spring (34) is arranged between the bottom of the snap counter bore and the snap ball (32), the cover plate through hole is a tapered hole, the large end inner diameter of the cover plate through hole is smaller than or equal to the diameter of the snap counter bore, and the diameter of the snap ball (32) is smaller than or equal to the diameter of the snap counter bore and larger than or equal to the diameter of the large end inner diameter of the cover plate through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122497028.9U CN216706460U (en) | 2021-10-16 | 2021-10-16 | Eccentric pin clamping and positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122497028.9U CN216706460U (en) | 2021-10-16 | 2021-10-16 | Eccentric pin clamping and positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216706460U true CN216706460U (en) | 2022-06-10 |
Family
ID=81876282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122497028.9U Active CN216706460U (en) | 2021-10-16 | 2021-10-16 | Eccentric pin clamping and positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216706460U (en) |
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2021
- 2021-10-16 CN CN202122497028.9U patent/CN216706460U/en active Active
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Address after: 130000 middle gate 10, 1st floor, building 2, 443, block 23, automobile development zone, Changchun City, Jilin Province Patentee after: Changchun Alte Automotive Technology Co.,Ltd. Address before: 130000 middle gate 10, 1st floor, building 2, 443, block 23, automobile development zone, Changchun City, Jilin Province Patentee before: CHANGCHUN KAIDI AUTOMOBILE BODY DESIGN Co.,Ltd. |