CN217859349U - Floating pressing mechanism for laser welding pressing - Google Patents
Floating pressing mechanism for laser welding pressing Download PDFInfo
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- CN217859349U CN217859349U CN202221672136.3U CN202221672136U CN217859349U CN 217859349 U CN217859349 U CN 217859349U CN 202221672136 U CN202221672136 U CN 202221672136U CN 217859349 U CN217859349 U CN 217859349U
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Abstract
The utility model discloses a hold-down mechanism that floats for laser welding compresses tightly, its characterized in that: the mechanism include base (1), the top of base (1) is provided with support frame (2), fixed stay has swing cylinder (3) on support frame (2), swing arm of swing cylinder passes through swing arm support (4) and links to each other with the hold-down mechanism that floats, be provided with spacing piece (5) on the bottom face of swing arm support (4), then be provided with on the top face of support frame (2) with spacing piece (5) lower spacing piece (6) that match each other are gone up.
Description
Technical Field
The utility model relates to an automobile production, assembly trade, especially a hold-down mechanism that floats for laser welding compresses tightly.
Background
In a welding production line of a body-in-white, a compression form and a laser welding process of a digital-analog workpiece with a long plane become common positioning forms and processes. Its briquetting of traditional hold-down mechanism and locating piece are planar structure, and this type of structure is effectual when pressing from both sides tight work piece that is the plane equally. However, the digital-analog workpiece has various shapes, and often meets the situation that an arc surface exists at a clamping position, and if the clamping is still realized by adopting the traditional pressing mechanism, the deformation of the workpiece can be caused, and the appearance and even the product quality of the workpiece can be influenced. There is therefore a need for a method or apparatus that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve the above-mentioned not enough that prior art exists, provide a simple structure, design benefit, rationally distributed, can be along with the automatic unsteady hold-down mechanism that is used for laser welding to compress tightly that makes the adaptability adjustment of the shape that is compressed tightly the work piece.
The technical solution of the utility model is that: the utility model provides a hold-down mechanism that floats for laser welding compresses tightly which characterized in that: the mechanism comprises a base 1, a support frame 2 is arranged at the top of the base 1, a swing cylinder 3 is fixedly supported on the support frame 2, a swing arm of the swing cylinder is connected with a floating pressing mechanism through a swing arm support 4, an upper limiting block 5 is arranged on the bottom end face of the swing arm support 4, a lower limiting block 6 matched with the upper limiting block 5 is arranged on the top end face of the support frame 2,
the floating pressing mechanism comprises a base connecting block 7 directly connected with a swing arm support 4, a connecting hole 8 is formed in the middle of the base connecting block 7, two positioning holes 9 symmetrically distributed on two sides of the connecting hole 8 are formed in the base connecting block 7, a pressing block 10 is further arranged on the floating pressing mechanism, the pressing block 10 is rotatably connected with the base connecting block 7 through a connecting shaft 11, the connecting shaft 11 is connected in the connecting hole 8 in a penetrating mode, two positioning pins 12 are further arranged on the pressing block 10, one part of each positioning pin 12 is connected in the corresponding positioning hole 9 in a penetrating mode, the other part of each positioning pin 12 is connected in a floating hole 16 formed in the corresponding pressing block 10 in a penetrating mode, the diameter of each floating hole 16 is larger than the outer diameter of each positioning pin 12, an elastic rubber ring 13 is further sleeved outside each positioning pin 12, and the elastic rubber ring 13 is located between the base connecting block 7 and the pressing block 10,
the support frame 2 is further provided with a positioning block support 14, a positioning block 15 is arranged on the positioning block support 14, and the positioning block 15 is matched with the pressing block 10.
The floating pressing mechanisms are two and are symmetrically distributed.
Compared with the prior art, the utility model, have following advantage:
this a floating hold-down mechanism for laser welding compresses tightly of structural style, its simple structure, design benefit, rationally distributed, it has the limitation to traditional hold-down mechanism, lead to the problem that the work piece warp easily when carrying out the operation of compressing tightly of some work pieces that have the cambered surface, design out a special structure, it can be automatically according to the inclination of the shape adjustment self of work piece, thereby under the prerequisite of guaranteeing to compress tightly the effect, prevent to lead to the work piece to warp at the in-process that compresses tightly, reach the purpose of guaranteeing the work piece quality. And the floating pressing mechanism has simple manufacturing process and low manufacturing cost, so the floating pressing mechanism has multiple advantages, is particularly suitable for popularization and application in the field, and has very wide market prospect.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is an exploded view of a floating hold-down mechanism in an embodiment of the present invention.
Detailed Description
The following description will explain embodiments of the present invention with reference to the drawings. As shown in fig. 1 and 2: a floating pressing mechanism for laser welding pressing comprises a base 1 serving as a foundation, a support frame 2 is arranged at the top of the base 1, a swing cylinder 3 is fixedly supported on the support frame 2, a swing arm of the swing cylinder is connected with the floating pressing mechanism through a swing arm support 4, an upper limiting block 5 is arranged on the bottom end face of the swing arm support 4, a lower limiting block 6 matched with the upper limiting block 5 is arranged on the top end face of the support frame 2,
the floating pressing mechanism comprises a base connecting block 7 directly connected with the swing arm support 4, a connecting hole 8 is formed in the middle of the base connecting block 7, two positioning holes 9 symmetrically distributed on two sides of the connecting hole 8 are formed in the base connecting block 7, the floating pressing mechanism further comprises a pressing block 10, the pressing block 10 is rotatably connected with the base connecting block 7 through a connecting shaft 11, the connecting shaft 11 is connected in the connecting hole 8 in a penetrating mode, two positioning pins 12 are arranged on the pressing block 10, one part of each positioning pin 12 is connected in the corresponding positioning hole 9 in a penetrating mode, the other part of each positioning pin 12 is connected in a floating hole 16 formed in the corresponding pressing block 10 in a penetrating mode, the diameter of each floating hole 16 is larger than the outer diameter of each positioning pin 12, an elastic rubber ring 13 is sleeved outside each positioning pin 12, and the elastic rubber ring 13 is located between the base connecting block 7 and the pressing block 10; a positioning block support 14 is further arranged on the support frame 2, a positioning block 15 is arranged on the positioning block support 14, and the positioning block 15 is matched with the pressing block 10; the floating pressing mechanisms are two and are symmetrically distributed.
The utility model discloses a working process that is used for unsteady hold-down mechanism that laser welding compressed tightly as follows: when a workpiece needs to be subjected to laser welding operation, the control system controls the swing cylinder 3 in the mechanism to work to drive the swing arm support 4 to swing, the upper limiting block 5 on the bottom end face of the swing arm support 4 is in contact with the lower limiting block 6 on the top end face of the support frame 2, at the moment, the floating pressing mechanism presses the workpiece on the positioning block 15 positioned below the floating pressing mechanism,
if the pressed part is a plane, the pressing block 10 in the floating pressing mechanism cannot deflect or swing, the bottom end face of the pressing block 10, the pressed part of the workpiece and the positioning block 15 are in a mutually parallel state, and the workpiece is pressed at the moment;
if the pressed part is an arc surface or an inclined surface, after the pressing block 10 is contacted with the surface of a workpiece, the pressing block can swing adaptively by taking the connecting shaft 11 as a shaft, because one part of the connecting shaft 11 is penetrated and connected in the connecting hole 8, and the other part of the connecting shaft is penetrated and connected in the floating hole 16 with the hole diameter larger than the outer diameter of the pressing block, after the pressing block 10 bears the reaction force of the workpiece, the automatic adjustment can be carried out along with the shape of the workpiece, namely the swinging motion can be completely realized, and in the swinging process, the two elastic rubber rings 13 can be stretched by the positioning pin 12 to realize elastic deformation;
after laser welding processing is finished, the control system controls the swing cylinder 3 to swing reversely, the floating pressing mechanism is lifted under the driving of the swing cylinder 3, the pressing block 10 rotates reversely under the action of the two elastic rubber rings 13, and returns to the initial state again to wait for next pressing operation.
Claims (2)
1. The utility model provides a hold-down mechanism that floats for laser welding compresses tightly which characterized in that: the mechanism comprises a base (1), a support frame (2) is arranged at the top of the base (1), a swing cylinder (3) is fixedly supported on the support frame (2), a swing arm of the swing cylinder is connected with a floating pressing mechanism through a swing arm support (4), an upper limiting block (5) is arranged on the bottom end face of the swing arm support (4), a lower limiting block (6) matched with the upper limiting block (5) is arranged on the top end face of the support frame (2),
the floating pressing mechanism comprises a base connecting block (7) directly connected with a swing arm support (4), a connecting hole (8) is formed in the middle of the base connecting block (7), two positioning holes (9) symmetrically distributed on two sides of the connecting hole (8) are formed in the base connecting block (7), the floating pressing mechanism further comprises a pressing block (10), the pressing block (10) is rotatably connected with the base connecting block (7) through a connecting shaft (11), the connecting shaft (11) is connected in the connecting hole (8) in a penetrating mode, two positioning pins (12) are arranged on the pressing block (10) at the same time, one part of each positioning pin (12) is connected in the corresponding positioning hole (9) in a penetrating mode, the other part of each positioning pin is connected in a floating hole (16) formed in the corresponding pressing block (10) in a penetrating mode, the diameter of each floating hole (16) is larger than the outer diameter of the corresponding positioning pin (12), an elastic rubber ring (13) is sleeved outside each positioning pin (12), and the elastic rubber ring (13) is located between the base connecting block (7) and the pressing block (10),
the supporting frame (2) is further provided with a positioning block support (14), a positioning block (15) is arranged on the positioning block support (14), and the positioning block (15) is matched with the pressing block (10).
2. The floating compaction mechanism for laser welding compaction of claim 1, wherein: the floating pressing mechanisms are two and are symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221672136.3U CN217859349U (en) | 2022-07-01 | 2022-07-01 | Floating pressing mechanism for laser welding pressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221672136.3U CN217859349U (en) | 2022-07-01 | 2022-07-01 | Floating pressing mechanism for laser welding pressing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217859349U true CN217859349U (en) | 2022-11-22 |
Family
ID=84100352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221672136.3U Active CN217859349U (en) | 2022-07-01 | 2022-07-01 | Floating pressing mechanism for laser welding pressing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217859349U (en) |
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2022
- 2022-07-01 CN CN202221672136.3U patent/CN217859349U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Floating Compression Mechanism for Laser Welding Compression Effective date of registration: 20230522 Granted publication date: 20221122 Pledgee: Dalian Branch of Bank of Communications Co.,Ltd. Pledgor: Dalian Automobile Technology Co.,Ltd. Registration number: Y2023210000112 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |