CN219074778U - Positioning turnover mechanism of automobile welding fixture - Google Patents
Positioning turnover mechanism of automobile welding fixture Download PDFInfo
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- CN219074778U CN219074778U CN202223217539.1U CN202223217539U CN219074778U CN 219074778 U CN219074778 U CN 219074778U CN 202223217539 U CN202223217539 U CN 202223217539U CN 219074778 U CN219074778 U CN 219074778U
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Abstract
The utility model discloses a positioning turnover mechanism of an automobile welding fixture, which comprises a mounting seat, a turnover assembly, a first positioning assembly and a second positioning assembly, wherein the mounting seat is arranged on a working table surface of the fixture; the overturning assembly comprises a first driving piece and a first rotating arm, the first driving piece is connected to the side face of the mounting seat, and the first rotating arm is hinged with the power output end of the first driving piece and can rotate under the driving of the first driving piece; the first positioning component is fixed on the first rotating arm, the second positioning component is fixedly connected with the first positioning component, the first positioning component and the second positioning component are respectively provided with a positioning end and a driving end for driving the positioning ends to move, and the two positioning ends are driven by the driving ends to move relatively so as to clamp and position a workpiece or open the workpiece, and the workpiece is withdrawn. The utility model solves the technical problem that the positioning mechanism in the prior art cannot be overturned, so that time and labor are wasted.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a positioning and overturning mechanism for an automobile welding clamp.
Background
Automobile manufacturing is a global important pillar industry, and in increasingly strong market competition, it is necessary to manufacture personalized automobiles satisfying customers as soon as possible according to market demands, and the personalized automobiles become the subject of important researches of various factories. The welding technology is one of four processes of automobile manufacturing, the high efficiency of a welding production system is one of important conditions of the automobile manufacturing industry for rapidly corresponding to market demands, the clamp occupies a considerable proportion on an automobile welding site, and the design and manufacturing precision and the progress of the clamp directly influence the manufacturing precision and the production period of the automobile. Currently, the clamps applied to the automobile welding process are various, for example, a positioning and pressing device for an automobile welding clamp disclosed in China patent with an authorized bulletin number of CN209439680U and an automobile welding clamp positioning pin disclosed in China patent with an authorized bulletin number of CN 202344157U.
However, in the step of welding small parts to large parts (such as a vehicle body), the positioning mechanism for small parts does not have a turnover function, the parts are required to be manually assembled and taken, the time and the labor are wasted, and with the gradual implementation and the adoption of intelligent manufacturing, flexible production and computer integrated manufacturing systems, the traditional method cannot meet the development requirements of the advanced automobile welding production technology. Therefore, it is important to design a positioning and turning mechanism capable of automatically turning over and realizing the assembly and the picking.
Disclosure of Invention
The utility model aims to overcome the technical defects, and provides a positioning and overturning mechanism for an automobile welding clamp, which solves the technical problem that small positioning mechanisms for the automobile welding clamp in the prior art cannot be overturned, so that time and labor are wasted.
In order to achieve the technical aim, the technical scheme of the utility model provides a positioning and overturning mechanism of an automobile welding fixture, which comprises a mounting seat, an overturning assembly, a first positioning assembly and a second positioning assembly, wherein the mounting seat is arranged on a working table surface of the fixture; the overturning assembly comprises a first driving piece and a first rotating arm, the first driving piece is connected to the side face of the mounting seat, and the first rotating arm is hinged with the power output end of the first driving piece and can rotate under the driving of the first driving piece; the first positioning component is fixed on the first rotating arm, the second positioning component is fixedly connected with the first positioning component, the first positioning component and the second positioning component are respectively provided with a positioning end and a driving end for driving the positioning ends to move, and the two positioning ends are driven by the respective driving ends to move relatively so as to clamp and position a workpiece or open the workpiece, and the workpiece is withdrawn.
Further, the turnover assembly further comprises a first hinge seat for hinging the first driving piece and the first rotating arm, one end of the first hinge seat is fixed on the first driving piece, and the first rotating arm is rotatably connected to a pin shaft of the first hinge seat.
Further, the first locating component comprises a first connecting plate, a second driving piece, a second rotating arm and a first locating plate, one end of the first connecting plate is fixed at the bottom of the first rotating arm, the second driving piece is the driving end of the first locating component and is arranged at the other end of the first connecting plate, one end of the second rotating arm is hinged with the power output end of the second driving piece, and the other end of the second rotating arm is fixedly connected with the first locating plate, so that the first locating plate is close to or separated from the surface of a workpiece.
Further, the first positioning component further comprises a second hinging seat used for hinging the second driving piece and the second rotating arm, one end of the second hinging seat is fixed on the second driving piece, and the second rotating arm is rotatably connected to a pin shaft of the second hinging seat.
Further, the second positioning assembly comprises a second connecting plate, a third driving piece, a movable arm and a second positioning plate, one side of the second connecting plate is fixedly connected with the shell of the second driving piece, the third driving piece is the driving end of the second positioning assembly and is arranged on the other side of the second connecting plate, one end of the movable arm is connected with the power output end of the third driving piece, and the second positioning plate is connected with the other end of the movable arm so that the second positioning plate approaches or leaves the surface of a workpiece.
Further, the number of the second positioning plates is at least two, and each second positioning plate is provided with a positioning pin matched with the workpiece positioning hole.
Further, limit baffles are respectively arranged on two sides of the top of the mounting seat.
Further, a buffer component is arranged between the side face of the mounting seat and the overturning component.
Further, the buffering subassembly includes bottom plate, buffering stand and spring, the bottom plate is fixed the side of mount pad, the buffering stand is installed the upper surface of bottom plate, the spring cover is established on the buffering stand.
Further, a workpiece induction sensor is arranged on the first positioning assembly or the second positioning assembly.
Compared with the prior art, the utility model has the beneficial effects that: according to the positioning turnover mechanism of the automobile welding fixture, the first rotating arm is driven to turn through the first driving piece of the turnover assembly, so that the first positioning assembly and the second positioning assembly can be driven to turn simultaneously, and the positioning turnover mechanism is used for loading pieces and conveying workpieces to a vehicle body to wait for welding; and through the relative movement of the two positioning ends of the first positioning assembly and the second positioning assembly, the workpiece can be clamped and positioned or opened, and the workpiece is withdrawn, so that the small workpiece can be welded on the large workpiece such as a vehicle body through repeated actions, and the welding efficiency and the welding precision are improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the positioning and turning mechanism of the present utility model;
FIG. 2 is a schematic view of the positioning and turning mechanism of the present utility model;
FIG. 3 is a schematic view of the working state of the positioning and turning mechanism according to the present utility model;
fig. 4 is a partial view of the positioning and flipping mechanism of the present utility model (with the workpiece sensing sensor removed).
The figure shows:
100-mounting seats, 110-limit baffles;
200-an overturning assembly, 210-a first driving piece, 220-a first rotating arm, 230-a first hinging seat;
300-first positioning assembly, 310-first connecting plate, 320-second driving piece, 330-second rotating arm, 340-first positioning plate, 350-second hinging seat;
400-second positioning assembly, 410-second connecting plate, 420-third driving piece, 430-moving arm, 440-second positioning plate, 441-positioning pin;
500-cushioning assemblies, 510-floors, 520-cushioning columns,
600-workpiece inductor.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 4, the present utility model provides a positioning and turning mechanism of an automobile welding fixture, which is used for positioning a small workpiece to a welding position on a large workpiece, and comprises a mounting seat 100, a turning assembly 200, a first positioning assembly 300 and a second positioning assembly 400.
Wherein the mounting base 100 is arranged on the working table surface of the fixture; the turnover assembly 200 comprises a first driving member 210 and a first rotating arm 220, wherein the first driving member 210 is connected to the side surface of the mounting seat 100, and the first rotating arm 220 is hinged with the power output end of the first driving member 210 and can rotate under the driving of the first driving member 210; the first positioning assembly 300 is fixed on the first rotating arm 220, the second positioning assembly 400 is fixedly connected with the first positioning assembly 300, the first positioning assembly 300 and the second positioning assembly 400 can be driven by the first rotating arm 220 to turn over, the first positioning assembly 300 and the second positioning assembly 400 are respectively provided with a positioning end and a driving end for driving the positioning ends to move, and the two positioning ends are driven by the respective driving ends to move relatively so as to clamp and position a workpiece or open the workpiece, and the workpiece is withdrawn.
When the welding machine is used, the first driving piece 210 drives the first rotating arm 220 to turn over, the first positioning component 300 and the second positioning component 400 are driven to turn over, the small workpiece is placed in the two positioning ends of the first positioning component 300 and the second positioning component 400, the two positioning ends clamp the workpiece under the driving of the driving ends, the workpiece is turned over again to the to-be-welded part of the large piece after being taken out, the small workpiece is positioned at the welding part of the large piece for welding, after the welding is finished, the driving ends of the first positioning component 300 and the second positioning component 400 drive the positioning ends to open, the workpiece is withdrawn, and meanwhile, the first driving piece 210 drives the first rotating arm 220 to turn over again for taking out the workpiece, so the operation is repeated, the small workpiece can be welded to the large piece without manual operation, and the welding efficiency and the welding precision are improved.
In an embodiment of the present utility model, the overturning assembly 200 further includes a first hinge base 230 for hinging the first driving member 210 and the first rotating arm 220, one end of the first hinge base 230 is fixed on the first driving member 210, and the first rotating arm 220 is rotatably connected to a pin shaft of the first hinge base 230.
In the embodiment of the present utility model, the first positioning component 300 includes a first connecting plate 310, a second driving member 320, a second rotating arm 330 and a first positioning plate 340, one end of the first connecting plate 310 is fixed at the bottom of the first rotating arm 220, the second driving member 320 is the driving end of the first positioning component 300, and is disposed at the other end of the first connecting plate 310, one end of the second rotating arm 330 is hinged to the power output end of the second driving member 320, and the other end is fixedly connected to the first positioning plate 340, so that the first positioning plate 340 approaches or leaves relative to the surface of the workpiece.
The first positioning assembly 300 further includes a second hinge base 350 for hinging the second driving member 320 and the second rotating arm 330, one end of the second hinge base 350 is fixed on the second driving member 320, and the second rotating arm 330 is rotatably connected to a pin shaft of the second hinge base 350.
In a specific implementation of the present utility model, the second positioning assembly 400 includes a second connecting plate 410, a third driving member 420, a moving arm 430, and a second positioning plate 440, where one side of the second connecting plate 410 is fixedly connected to the housing of the second driving member 320, the third driving member 420 is the driving end of the second positioning assembly 400, and is mounted on the other side of the second connecting plate 410, one end of the moving arm 430 is connected to the power output end of the third driving member 420, and the second positioning plate 440 is connected to the other end of the moving arm 430, so that the second positioning plate 440 approaches or departs from the surface of the workpiece.
The number of the second positioning plates 440 is at least two, and each second positioning plate 440 is provided with a positioning pin 441 matched with the workpiece positioning hole.
In the embodiment of the present utility model, the two sides of the top of the mounting seat 100 are respectively provided with the limit baffles 110, and when the first rotating arm 220 is turned over, the two limit baffles 110 can limit the first rotating arm 220 not to deviate during the turning over, so as to ensure the positioning accuracy of the first positioning component 300 and the second positioning component 400.
In the embodiment of the utility model, a buffer assembly 500 is disposed between the side surface of the mounting seat 100 and the overturning assembly 200, the buffer assembly 500 includes a bottom plate 510, a buffer upright 520, and a spring, the bottom plate 510 is fixed on the side surface of the mounting seat 100, the buffer upright 520 is mounted on the upper surface of the bottom plate 510, and the spring (not shown in the drawing) is sleeved on the buffer upright 520, and the buffer assembly 500 is configured such that the first rotating arm 220 plays a role in damping the whole mechanism in the overturning process.
In addition, the first positioning assembly 300 or the second positioning assembly 400 is further provided with a workpiece induction sensor 600, and the workpiece induction sensor 600, the first driving member 210, the second driving member 320, and the third driving member 420 are electrically connected together with a control unit, and the control process of the control unit can be implemented by adopting a control means commonly used in the art, so that the description thereof will not be repeated.
In summary, according to the positioning and turning mechanism of the automobile welding fixture provided by the utility model, the first driving member 210 drives the first rotating arm 220 to turn over, so that the first positioning assembly 300 and the second positioning assembly 400 turn over, at this time, the small workpiece is placed in the first positioning plate 340 and the second positioning plate 440, the second driving member 320 drives the second rotating arm 330 to turn over, so that the first positioning plate 340 is close to the small workpiece, at the same time, the third driving member 420 drives the moving arm 430 to move, so that the second positioning plate 440 is also close to the small workpiece, at this time, the positioning pin 441 is inserted into the positioning hole of the small workpiece, the small workpiece is clamped by the first positioning plate 340 and the second positioning plate 440, the first driving member 210 drives the first rotating arm 220 to turn over again to the vicinity of the large workpiece, the small workpiece is positioned on the welding position of the large workpiece, after the welding, the second driving member 320 and the third driving member 420 respectively drive the first positioning plate 340 and the second positioning plate 440 to be far away from the small workpiece, the small workpiece is withdrawn, and the next small workpiece is turned over, and the small workpiece is clamped, positioned and taken out. The process of the utility model can obviously improve the welding efficiency and accuracy of welding small workpieces on large workpieces, and solves the technical problems of time and labor waste in the prior art.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.
Claims (10)
1. A positioning and overturning mechanism of an automobile welding fixture is characterized by comprising a mounting seat, an overturning assembly, a first positioning assembly and a second positioning assembly,
the mounting seat is arranged on the working table surface of the clamp;
the overturning assembly comprises a first driving piece and a first rotating arm, the first driving piece is connected to the side face of the mounting seat, and the first rotating arm is hinged with the power output end of the first driving piece and can rotate under the driving of the first driving piece;
the first positioning component is fixed on the first rotating arm, the second positioning component is fixedly connected with the first positioning component, the first positioning component and the second positioning component are respectively provided with a positioning end and a driving end for driving the positioning ends to move, and the two positioning ends are driven by the respective driving ends to move relatively so as to clamp and position a workpiece or open the workpiece, and the workpiece is withdrawn.
2. The positioning and turning mechanism of an automobile welding fixture according to claim 1, wherein the turning assembly further comprises a first hinge seat for hinging the first driving member and the first rotating arm, one end of the first hinge seat is fixed on the first driving member, and the first rotating arm is rotatably connected to a pin shaft of the first hinge seat.
3. The positioning and turning mechanism of an automobile welding fixture according to claim 1, wherein the first positioning assembly comprises a first connecting plate, a second driving member, a second rotating arm and a first positioning plate, one end of the first connecting plate is fixed at the bottom of the first rotating arm, the second driving member is the driving end of the first positioning assembly and is arranged at the other end of the first connecting plate, one end of the second rotating arm is hinged with the power output end of the second driving member, and the other end of the second rotating arm is fixedly connected with the first positioning plate, so that the first positioning plate approaches or leaves relative to the surface of a workpiece.
4. The positioning and turning mechanism of the automobile welding fixture according to claim 3, wherein the first positioning assembly further comprises a second hinge seat for hinging the second driving piece and the second rotating arm, one end of the second hinge seat is fixed on the second driving piece, and the second rotating arm is rotatably connected to a pin shaft of the second hinge seat.
5. The positioning and turning mechanism of an automobile welding fixture according to claim 3, wherein the second positioning assembly comprises a second connecting plate, a third driving member, a moving arm and a second positioning plate, one side of the second connecting plate is fixedly connected with a shell of the second driving member, the third driving member is the driving end of the second positioning assembly and is arranged on the other side of the second connecting plate, one end of the moving arm is connected with a power output end of the third driving member, and the second positioning plate is connected with the other end of the moving arm so that the second positioning plate approaches or leaves relative to the surface of a workpiece.
6. The positioning and turning mechanism of the automobile welding fixture of claim 5, wherein the number of the second positioning plates is at least two, and each second positioning plate is provided with a positioning pin matched with the workpiece positioning hole.
7. The positioning and overturning mechanism of the automobile welding fixture according to claim 1, wherein limit baffles are respectively arranged on two sides of the top of the mounting seat.
8. The positioning and turning mechanism of an automobile welding fixture according to claim 1, wherein a buffer assembly is arranged between the side surface of the mounting seat and the turning assembly.
9. The positioning and turning mechanism of an automobile welding fixture according to claim 8, wherein the buffer assembly comprises a bottom plate, a buffer upright post and a spring, the bottom plate is fixed on the side surface of the mounting seat, the buffer upright post is mounted on the upper surface of the bottom plate, and the spring is sleeved on the buffer upright post.
10. The positioning and turning mechanism of an automobile welding fixture according to claim 1, wherein a workpiece induction sensor is arranged on the first positioning assembly or the second positioning assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223217539.1U CN219074778U (en) | 2022-12-01 | 2022-12-01 | Positioning turnover mechanism of automobile welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223217539.1U CN219074778U (en) | 2022-12-01 | 2022-12-01 | Positioning turnover mechanism of automobile welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219074778U true CN219074778U (en) | 2023-05-26 |
Family
ID=86407471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223217539.1U Active CN219074778U (en) | 2022-12-01 | 2022-12-01 | Positioning turnover mechanism of automobile welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219074778U (en) |
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2022
- 2022-12-01 CN CN202223217539.1U patent/CN219074778U/en active Active
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