CN204108582U - Internal-expansion type automobile body welding clamping device - Google Patents
Internal-expansion type automobile body welding clamping device Download PDFInfo
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- CN204108582U CN204108582U CN201420602389.2U CN201420602389U CN204108582U CN 204108582 U CN204108582 U CN 204108582U CN 201420602389 U CN201420602389 U CN 201420602389U CN 204108582 U CN204108582 U CN 204108582U
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- connecting axle
- pin mechanism
- automobile body
- clamping device
- internal
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Abstract
The utility model discloses a kind of internal-expansion type automobile body welding clamping device, comprise bearing; Connecting axle, is arranged on bearing with moving horizontally; Adapter sleeve, is sheathed on connecting axle surface; Expansion pin mechanism, it is axially provided with multiple open recess for hollow cylindrical structure and surface are parallel to it, and expansion pin mechanism and adapter sleeve are coaxially connected; Shifting axle, shifting axle is connected with connecting axle one end, and its outside dimension near connecting axle one end is less than the outside dimension away from connecting axle one end; Fairlead, fairlead one end is fixedly installed on adapter sleeve, and the other end is connected with expansion pin mechanism; Power set, are connected with connecting axle.In the utility model, shifting axle moves near connecting axle direction and makes expansion pin mechanism diameter become large thus the fixing hole of positioning workpieces, shifting axle moves away from connecting axle direction and expansion pin diameter is diminished be convenient to exit the fixing hole of workpiece, compared to prior art, when exiting workpiece, diameter dimension diminishes, cannot exit smoothly after avoiding workpiece welding deformation, ensure workpiece accuracy.
Description
Technical field
The utility model relates to a kind of welding clamping device, is specifically related to a kind of internal-expansion type automobile body welding clamping device.
Background technology
In prior art, when automobile body-in-white is produced, some workpiece fixing holes are larger, general employing alignment pin is as weld jig, because producing distortion after workpiece welding, alignment pin just cannot exit smoothly from workpiece fixing hole, if firmly exit the precision that can have a strong impact on workpiece.
Therefore, a kind of automobile body welding clamping device not affecting workpiece accuracy is needed badly.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of internal-expansion type automobile body welding clamp.
In order to achieve the above object, the technical solution of the utility model is as follows:
Internal-expansion type automobile body welding clamping device, comprising:
Bearing;
Connecting axle, it is arranged on bearing with moving horizontally;
Adapter sleeve, it is sheathed on connecting axle surface and is fixedly installed on support outer;
Shifting axle, shifting axle is connected with connecting axle one end, and the outside dimension of shifting axle near connecting axle one end is less than the outside dimension of shifting axle away from connecting axle one end;
Expansion pin mechanism, expansion pin mechanism is hollow cylindrical structure, and hollow circuit cylinder surface is parallel to it and is axially provided with multiple open recess, and expansion pin mechanism and adapter sleeve are coaxially connected and are sheathed on shifting axle surface;
Fairlead, fairlead one end is fixedly installed on adapter sleeve, and the other end is connected with expansion pin mechanism;
Power set, it is connected with connecting axle.
When in the utility model, shifting axle moves near the direction of connecting axle, shifting axle provides tensile force to make expansion pin mechanism diameter become large thus the fixing hole of positioning workpieces in circumference to expansion pin mechanism, when shifting axle moves away from the direction of connecting axle, shifting axle and expansion pin mechanism depart from and expansion pin diameter are diminished be convenient to exit the fixing hole of workpiece, compared to prior art, the diameter dimension exiting position location during workpiece diminishes, and cannot exit smoothly after avoiding workpiece welding deformation, ensures workpiece accuracy.
On the basis of technique scheme, also can do following improvement:
As preferred scheme, above-mentioned adapter sleeve circumference is provided with fixing lug boss, and fixing lug boss is fixedly installed on support outer.
Adopt above-mentioned preferred scheme, adapter sleeve circumference arranges the connection that fixing lug boss is convenient to adapter sleeve and bearing, fairlead.
As preferred scheme, the link of above-mentioned fairlead and expansion pin mechanism is provided with positive stop lug boss.
Adopt above-mentioned preferred scheme, when shifting axle moves away from connecting axle direction, positive stop lug boss limits the stroke of expansion pin mechanism, avoids expansion pin mechanism to move along with the movement of shifting axle, is convenient to shifting axle and expansion pin mechanism departs from.
As preferred scheme, above-mentioned adapter sleeve is also provided with anti-rotation device, connecting axle surface level direction is provided with the groove of preseting length, and anti-rotation device is connected with groove.
Adopt above-mentioned preferred scheme, when power set drive connecting axle to move left and right, anti-rotation device can avoid connecting axle to rotate.
As preferred scheme, be also provided with connector, connector is arranged between power set and connecting axle.
Adopt above-mentioned preferred scheme, increase connector, avoid the axle center of power set and expansion pin mechanism not damage power set when same straight line.
As preferred scheme, the interleaved openings of above-mentioned open recess is arranged at the two ends of hollow circuit cylinder axis.
Adopt above-mentioned preferred scheme, the interleaved openings of open recess is arranged, and the deflection of expansion pin mechanism is large, is applicable to the workpiece that fixing hole internal diameter size scope is wider.
As preferred scheme, in above-mentioned open recess, be provided with fixture block.
Adopt above-mentioned preferred scheme, in open recess, fixture block is set, increase the deflection of expansion pin mechanism further, be applicable to more workpiece.
As preferred scheme, above-mentioned shifting axle is diminished shaft or multidiameter.
Adopt above-mentioned preferred scheme, shifting axle is diminished shaft or multidiameter, all can realize the change of expansion pin mechanism diameter dimension.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of a kind of embodiment of the utility model.
Fig. 2 is the detonation configuration schematic diagram of a kind of embodiment of the utility model.
Fig. 3 is the structure sectional view of the another kind of embodiment of the utility model.
Fig. 4 is the detonation configuration schematic diagram of the another kind of embodiment of the utility model.
Fig. 5 is the structure sectional view of the another kind of embodiment of the utility model.
Fig. 6 is the detonation configuration schematic diagram of the another kind of embodiment of the utility model.
Wherein, 10. workpiece, 20. shifting axles, 30. expansion pin mechanisms, 40. fairleads, 50. adapter sleeves, 60. connecting axles, 61. anti-rotation devices, 70. connectors, 80. bearings, 90. power set.
Detailed description of the invention
Preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
In order to reach the purpose of this utility model, as shown in Figure 1-2, in wherein a kind of embodiment of the present utility model, internal-expansion type automobile body welding clamping device, comprising:
Bearing 80;
Connecting axle 60, it is arranged on bearing 80 with moving horizontally;
Adapter sleeve 50, it is sheathed on connecting axle 60 surface and is fixedly installed on outside bearing 80;
Shifting axle 20, shifting axle 20 is diminished shaft, and shifting axle 20 is connected with connecting axle 60 one end, and the outside dimension of shifting axle 20 near connecting axle 60 one end is less than the outside dimension of shifting axle 20 away from connecting axle 60 one end;
Expansion pin mechanism 30, expansion pin mechanism 30 is hollow cylindrical structure, and hollow circuit cylinder surface is parallel to it and is axially provided with multiple open recess, and expansion pin mechanism 30 is connected with adapter sleeve 50 is coaxial and is sheathed on shifting axle 20 surface;
Fairlead 40, fairlead 40 one end is fixedly installed on adapter sleeve 50, and the other end is connected with expansion pin mechanism 30;
Power set 90, power set 90 adopt cylinder, and it is connected with connecting axle 60.
The utility model medium power device 90 drives connecting axle 60 to move left and right, when connecting axle 60 drives shifting axle 20 to move near the direction of connecting axle 60, shifting axle 20 provides tensile force to make expansion pin mechanism 30 diameter become large thus the fixing hole of positioning workpieces 10 in circumference to expansion pin mechanism 30, when shifting axle 20 moves away from the direction of connecting axle 60, shifting axle 20 and expansion pin mechanism 30 depart from and expansion pin mechanism 30 diameter are diminished be convenient to exit the fixing hole of workpiece 10, compared to prior art, the diameter dimension exiting position location during workpiece 10 diminishes, cannot exit smoothly after avoiding workpiece 10 welding deformation, ensure workpiece 10 precision.
Adapter sleeve 50 circumference that the utility model provides is provided with fixing lug boss, and fixing lug boss is fixedly installed on outside bearing 80, and fairlead 40 is fixedly installed in fixing lug boss, is convenient to the connection of adapter sleeve 50 and bearing 80, fairlead 40.
The fairlead 40 that the utility model provides is provided with positive stop lug boss with the link of expansion pin mechanism 30.When shifting axle 20 moves away from connecting axle 60 direction, positive stop lug boss limits the stroke of expansion pin mechanism 30, avoids expansion pin mechanism 30 to move along with the movement of shifting axle 20, is convenient to shifting axle 20 and departs from expansion pin mechanism 30.
The interleaved openings of the open recess that the utility model provides is arranged at the two ends of hollow circuit cylinder axis.The interleaved openings of open recess is arranged, and the deflection of expansion pin mechanism 30 is large, is applicable to the workpiece 10 that fixing hole internal diameter size scope is wider.
In order to optimize implementation result of the present utility model further, in another kind of embodiment of the present utility model, as shown in Figure 3-4, on the basis of foregoing teachings, above-mentioned adapter sleeve 50 is also provided with anti-rotation device 61, connecting axle 60 surface level direction is provided with the groove of preseting length, and anti-rotation device 61 is connected with groove.
Adopt above-mentioned preferred scheme, when power set 90 drive connecting axle 60 to move left and right, anti-rotation device 61 can avoid connecting axle 60 to rotate.
In order to optimize implementation result of the present utility model further, in another kind of embodiment of the present utility model, as seen in figs. 5-6, on the basis of foregoing teachings, be also provided with connector 70, connector 70 is arranged between power set 90 and connecting axle 60.
Adopt above-mentioned preferred scheme, increase connector 70, avoid power set 90 not damage power set 90 when same straight line with the axle center of expansion pin mechanism 30.
In order to optimize implementation result of the present utility model further, in another kind of embodiment of the present utility model, on the basis of foregoing teachings, in above-mentioned open recess, be provided with fixture block.
Adopt above-mentioned preferred scheme, in open recess, fixture block is set, increase the deflection of expansion pin mechanism 30 further, be applicable to more workpiece.
In order to optimize implementation result of the present utility model further, in another kind of embodiment of the present utility model, on the basis of foregoing teachings, above-mentioned shifting axle 20 is multidiameter.As another embodiment, the change of expansion pin mechanism 30 diameter dimension can be realized equally.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (8)
1. internal-expansion type automobile body welding clamping device, is characterized in that, comprising:
Bearing;
Connecting axle, it is arranged on described bearing with moving horizontally;
Adapter sleeve, it is sheathed on connecting axle surface and is fixedly installed on support outer;
Shifting axle, described shifting axle is connected with connecting axle one end, and the outside dimension of described shifting axle near connecting axle one end is less than the outside dimension of shifting axle away from connecting axle one end;
Expansion pin mechanism, described expansion pin mechanism is hollow cylindrical structure, and described hollow circuit cylinder surface is parallel to it and is axially provided with multiple open recess, and described expansion pin mechanism is coaxially connected with described adapter sleeve and is sheathed on described shifting axle surface;
Fairlead, described fairlead one end is fixedly installed on described adapter sleeve, and the other end is connected with described expansion pin mechanism;
Power set, it is connected with described connecting axle.
2. internal-expansion type automobile body welding clamping device according to claim 1, is characterized in that, described adapter sleeve circumference is provided with fixing lug boss, and described fixing lug boss is fixedly installed on support outer.
3. internal-expansion type automobile body welding clamping device according to claim 2, it is characterized in that, the link of described fairlead and expansion pin mechanism is provided with positive stop lug boss.
4. internal-expansion type automobile body welding clamping device according to claim 1, is characterized in that, described adapter sleeve is also provided with anti-rotation device, and described connecting axle surface level direction is provided with the groove of preseting length, and described anti-rotation device is connected with described groove.
5. internal-expansion type automobile body welding clamping device according to claim 1, it is characterized in that, be also provided with connector, described connector is arranged between described power set and described connecting axle.
6. internal-expansion type automobile body welding clamping device according to claim 1, is characterized in that, the interleaved openings of described open recess is arranged at the two ends of described hollow circuit cylinder axis.
7. internal-expansion type automobile body welding clamping device according to claim 1, is characterized in that, be provided with fixture block in described open recess.
8. internal-expansion type automobile body welding clamping device according to claim 1, is characterized in that, described shifting axle is diminished shaft or multidiameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420602389.2U CN204108582U (en) | 2014-10-17 | 2014-10-17 | Internal-expansion type automobile body welding clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420602389.2U CN204108582U (en) | 2014-10-17 | 2014-10-17 | Internal-expansion type automobile body welding clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204108582U true CN204108582U (en) | 2015-01-21 |
Family
ID=52325940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420602389.2U Expired - Fee Related CN204108582U (en) | 2014-10-17 | 2014-10-17 | Internal-expansion type automobile body welding clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204108582U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289847A (en) * | 2014-10-17 | 2015-01-21 | 昆山韦德机械设备有限公司 | Internal-expanding type bodywork welding clamping fixture |
| CN108031995A (en) * | 2017-12-29 | 2018-05-15 | 嘉兴君屹工程有限公司 | It is swollen with rotation mechanism in a kind of pipe |
| CN114850651A (en) * | 2022-06-02 | 2022-08-05 | 太仓阿尔法数字科技有限公司 | In-service pipeline welding repair method and device |
-
2014
- 2014-10-17 CN CN201420602389.2U patent/CN204108582U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289847A (en) * | 2014-10-17 | 2015-01-21 | 昆山韦德机械设备有限公司 | Internal-expanding type bodywork welding clamping fixture |
| CN108031995A (en) * | 2017-12-29 | 2018-05-15 | 嘉兴君屹工程有限公司 | It is swollen with rotation mechanism in a kind of pipe |
| CN108031995B (en) * | 2017-12-29 | 2024-07-12 | 上海君屹工业自动化股份有限公司 | Round tube internal expansion rotation-following mechanism |
| CN114850651A (en) * | 2022-06-02 | 2022-08-05 | 太仓阿尔法数字科技有限公司 | In-service pipeline welding repair method and device |
| CN114850651B (en) * | 2022-06-02 | 2023-09-12 | 太仓阿尔法数字科技有限公司 | In-service pipeline welding repair method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150121 Termination date: 20181017 |