CN210100741U - Laser welding device for plastics - Google Patents
Laser welding device for plastics Download PDFInfo
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- CN210100741U CN210100741U CN201920174506.2U CN201920174506U CN210100741U CN 210100741 U CN210100741 U CN 210100741U CN 201920174506 U CN201920174506 U CN 201920174506U CN 210100741 U CN210100741 U CN 210100741U
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Abstract
The utility model relates to a plastic processing device, in particular to a plastic laser welding device, which comprises a base, a driving mechanism arranged on the base, a pressing block driven by the driving mechanism, an adjusting mechanism used for presetting a collapse distance along the pressing direction of the pressing block and a limiting mechanism, wherein the collapse distance is the distance between the adjusting mechanism and the limiting mechanism; compared with the prior art, the utility model discloses a design a laser welding device of plastics, improved the laser welding quality of plastics, specifically, through adjusting the distance between reference column and the spacing post, with plastics welded collapse value control in the demand within range to improve welding quality.
Description
Technical Field
The utility model relates to a plastic processing device, concretely relates to laser welding device of plastics.
Background
The laser welding technology for plastic processing has the advantages of non-contact welding, high speed, easy control and the like, and is widely applied. When the laser is used for welding the plastic, the laser beam needs to penetrate through the upper layer of plastic, on one hand, the energy of the laser beam is absorbed on a contact surface to melt the contact surface plastic, and on the other hand, the upper layer of plastic and the lower layer of plastic are extruded under the action of the pressure of the clamp, so that welding is formed; the plastic after welding has a certain collapse amount, and the collapse amount of the welding needs to be controlled during welding so as to ensure the quality of a welded product.
The collapse amount control in the actual welding process has many problems, such as that the collapse amount of a plastic product is continuously increased under the action of clamp pressure along with the irradiation of a laser beam; however, the laser welding time and the collapse are not performed synchronously, the collapse amount has a certain lag relative to the laser welding time, namely the collapse amount is slowly increased after the laser welding is performed for a certain time, and the collapse amount is continuously increased under the action of external force of the clamp after the laser stops welding for a period of time. Although the welding time can be controlled through a plurality of welding tests so as to control the collapse value, the collapse value cannot be basically controlled within a required range in the actual welding process due to the influence of external temperature, product self-difference and the like.
Therefore, it is very important to design a plastic laser welding device for controlling the welding collapse value in the plastic welding process, and the problem of intensive research in the field is always solved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a laser welding device of plastics, overcome plastics can not control the defect of its welding collapse value in welding process.
In order to solve the technical problem, the utility model provides a laser welding device of plastics, its preferred scheme is: the clamping device comprises a base, a driving mechanism arranged on the base, a pressing block driven by the driving mechanism, an adjusting mechanism used for presetting a collapse distance along the pressing direction of the pressing block, and a limiting mechanism, wherein the collapse distance is the distance between the adjusting mechanism and the limiting mechanism.
Wherein, the preferred scheme is as follows: the adjusting mechanism is a positioning column used for adjusting the collapse value, and the positioning column is fixedly arranged on the pressing block.
Wherein, the preferred scheme is as follows: the base is including the base plate that is used for the bearing, be used for fixing a position actuating mechanism's locating plate, be used for fixing a position stop gear's diaphragm and be used for the location the riser of reference column.
Wherein, the preferred scheme is as follows: the pressing block is parallel to the transverse plate, and the vertical plate is vertically arranged between the pressing block and the transverse plate.
Wherein, the preferred scheme is as follows: the vertical plate is provided with a slide way, and the positioning columns are movably arranged on the slide way in parallel and move up and down relative to the transverse plate along the slide way.
Wherein, the preferred scheme is as follows: still be provided with the mount pad between slide and the reference column, one side and slide sliding connection of mount pad, opposite side and reference column fixed connection.
Wherein, the preferred scheme is as follows: the limiting mechanism is a limiting column which is fixed on the transverse plate and arranged right below the positioning column.
Wherein, the preferred scheme is as follows: the driving structure is an air cylinder, the air cylinder comprises a main body and a movable part moving up and down relative to the main body, and the main body is fixedly arranged on the positioning plate.
Wherein, the preferred scheme is as follows: an output shaft is fixedly arranged above the movable part and fixedly connected with the pressing block, wherein the output shaft moves up and down relative to the main body along with the movable part, so that the pressing block is driven to move up and down relative to the main body.
Wherein, the preferred scheme is as follows: the laser welding device further comprises a storage table for placing plastic products, and the storage table is arranged below the pressing block.
The beneficial effects of the utility model reside in that, compared with the prior art, the utility model discloses a design a laser welding device of plastics, improved the laser welding quality of plastics, specifically, through adjusting the distance between reference column and the spacing post, with plastics welded collapse value control in the demand within range to improve welding quality.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural view of a plastic welding device of the present invention;
FIG. 2 is a schematic structural diagram of an adjusting mechanism of the present invention;
FIG. 3 is a schematic structural view of the base of the present invention;
fig. 4 is a schematic structural view of the middle slide rail of the present invention;
fig. 5 is a schematic structural view of the middle limiting mechanism of the present invention;
fig. 6 is a schematic structural diagram of the middle driving mechanism of the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a preferred embodiment of a laser welding apparatus for plastics.
A plastic laser welding device, the clamping device comprising a base 100, the base 100 being configured to support the laser welding device; the device comprises a driving mechanism 200 arranged on a base 100, a pressing block 300 driven by the driving mechanism 200, an adjusting mechanism 400 used for presetting a collapse distance along the pressing direction of the pressing block 300, and a limiting mechanism 500, wherein the collapse distance is the distance between the adjusting mechanism 400 and the limiting mechanism 500.
Further, the laser welding apparatus further includes a stand 600 for placing the plastic processing product.
Specifically, the driving mechanism 200, the pressing block 300, the adjusting mechanism 400 and the limiting mechanism 500 are all arranged on the base 100, the pressing block 300 and the adjusting mechanism 400 are fixedly arranged, the limiting mechanism 500 is arranged below the adjusting mechanism 400, a plastic processing product is placed on the object placing table 500 before laser welding, then, according to a required welding collapse value, the distance between the adjusting mechanism 400 and the limiting mechanism 500 is adjusted through the adjusting mechanism 400, taking the collapse value as 0.5mm as an example, the distance between the adjusting mechanism 400 and the limiting mechanism 500 is adjusted through the adjusting mechanism 400 to be 0.5mm, when laser is welded along a welding track, upper and lower layers of plastic in the plastic processing product are fused and are affected by the driving mechanism 200, the pressing block 300 moves downwards to drive the adjusting mechanism 400 to move downwards, namely, to approach to the limiting mechanism 500, when the adjusting mechanism 400 moves downwards by 0.5mm, the adjusting mechanism 400 is contacted with the limiting mechanism 500 and is blocked by the limiting mechanism 500, and the adjusting mechanism 400 stops downwards, so that a fixed collapse amount of 0.5mm is formed.
As shown in fig. 1, the present invention provides a preferred embodiment of the compact block.
The pressing block 300 is movably connected with the driving mechanism 200 and is fixedly connected with the adjusting mechanism 400.
Specifically, when welding is performed, the upper and lower layers of plastics in the plastic processing product are fused, and are affected by the driving mechanism 200, and the pressing block 300 moves downward, so that the adjusting mechanism 400 is driven to move downward together and approach the limiting mechanism 500.
As shown in fig. 2, the present invention provides a preferred embodiment of the adjustment mechanism.
The adjusting mechanism 400 is a positioning column 400 for adjusting and fixing a preset collapse value, and the positioning column 400 is fixedly arranged on the pressing block 300.
Specifically, the pressing block 300 is movably arranged on the driving mechanism 200, the positioning column 410 is fixedly arranged on the pressing block 300, wherein the positioning column 410 can adjust the length of the positioning column, the positioning column adjusts the distance between the positioning column and the limiting mechanism 500 by adjusting the length of the positioning column before welding, so that the collapse value is adjusted, during welding, upper and lower layers of plastics of a plastic processing product are fused, the pressing block 300 is influenced by the driving mechanism 200 to move downwards to drive the positioning column 410 to move downwards together, and the limiting mechanism 500 is arranged under the positioning column 410, so that when the pressing block 300 moves downwards to the distance of the collapse value, the positioning column 410 is in contact with the limiting mechanism 500 and limited by the limiting mechanism 500, and the pressing block 300 stops moving downwards to form a fixed collapse value.
As shown in fig. 1, 3 and 4, the present invention provides a preferred embodiment of the base.
Referring to fig. 3, the base 100 includes a base plate 110 for bearing, a positioning plate 120 for positioning the driving mechanism 200, a cross plate 140 for positioning a limiting mechanism 500, and a vertical plate 130 for positioning the positioning post 410.
Specifically, and referring to fig. 1, the compression blocks 300 are disposed parallel to the cross plate 140, and the risers 130 are disposed vertically between the compression blocks 300 and the cross plate 140.
Further, referring to fig. 4, the vertical plate 130 is provided with a slide rail 131, and the positioning column 410 is movably disposed on the slide rail 131 in parallel and moves up and down along the slide rail 131 relative to the horizontal plate 140.
Furthermore, an installation seat 132 is further disposed between the slide 131 and the positioning column 410, one side of the installation seat 132 is slidably connected to the slide 131, and the other side is fixedly connected to the positioning column 410.
As shown in fig. 5, the present invention provides a preferred embodiment of the spacing mechanism.
The limiting mechanism 500 is a limiting post, and the limiting post 400 is fixed on the transverse plate 140 and disposed under the positioning post 410.
Specifically, before welding, the positioning column 410 adjusts the distance between the positioning column 410 and the limiting column 400 by adjusting the length of the positioning column, so that the collapse value is adjusted, during welding, upper and lower layers of plastics of a plastic processing product are fused, the pressing block 300 is influenced by the driving mechanism 200 to move downwards to drive the positioning column 410 to move downwards together, and as the limiting column 400 is arranged under the positioning column 410, when the pressing block 300 moves downwards to the collapse value distance, the positioning column 410 is in contact with the limiting column 400 and is limited by the limiting column 400, and the pressing block 300 stops moving downwards, so that the fixed collapse value is formed.
As shown in fig. 1, 2 and 6, the present invention provides a preferred embodiment of the drive mechanism.
The driving structure 200 is an air cylinder, the air cylinder 200 includes a main body 210 and a movable portion 220 moving up and down relative to the main body 210, and the main body 210 is fixedly disposed on the positioning plate 120.
Further, an output shaft 221 is fixedly arranged above the movable portion 220, and the output shaft 221 is fixedly connected with the pressing block 300, wherein the output shaft 221 moves up and down relative to the main body 210 along with the movable portion 220, so as to drive the pressing block 300 to move up and down relative to the main body 210.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A plastic laser welding device is characterized in that: the laser welding device comprises a base, a driving mechanism arranged on the base, a pressing block driven by the driving mechanism, an adjusting mechanism and a limiting mechanism, wherein the adjusting mechanism is used for presetting a collapse distance along the pressing direction of the pressing block, and the collapse distance is the distance between the adjusting mechanism and the limiting mechanism.
2. The laser welding apparatus according to claim 1, characterized in that: the adjusting mechanism is a positioning column used for adjusting the collapse value, and the positioning column is fixedly arranged on the pressing block.
3. The laser welding apparatus according to claim 2, characterized in that: the base is including the base plate that is used for the bearing, be used for fixing a position actuating mechanism's locating plate, be used for fixing a position stop gear's diaphragm and be used for the location the riser of reference column.
4. The laser welding apparatus according to claim 3, characterized in that: the pressing block is parallel to the transverse plate, and the vertical plate is vertically arranged between the pressing block and the transverse plate.
5. The laser welding apparatus according to claim 4, characterized in that: the vertical plate is provided with a slide way, and the positioning columns are movably arranged on the slide way in parallel and move up and down relative to the transverse plate along the slide way.
6. The laser welding apparatus according to claim 5, characterized in that: still be provided with the mount pad between slide and the reference column, one side and slide sliding connection of mount pad, opposite side and reference column fixed connection.
7. The laser welding apparatus according to claim 3, characterized in that: the limiting mechanism is a limiting column which is fixed on the transverse plate and arranged right below the positioning column.
8. The laser welding apparatus according to claim 1, characterized in that: the driving mechanism is an air cylinder, the air cylinder comprises a main body and a movable part moving up and down relative to the main body, and the main body is fixedly arranged on the positioning plate.
9. The laser welding apparatus according to claim 8, characterized in that: an output shaft is fixedly arranged above the movable part and fixedly connected with the pressing block, wherein the output shaft moves up and down relative to the main body along with the movable part, so that the pressing block is driven to move up and down relative to the main body.
10. The laser welding apparatus according to claim 1, characterized in that: the laser welding device further comprises a storage table for placing plastic products, and the storage table is arranged below the pressing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174506.2U CN210100741U (en) | 2019-01-31 | 2019-01-31 | Laser welding device for plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174506.2U CN210100741U (en) | 2019-01-31 | 2019-01-31 | Laser welding device for plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210100741U true CN210100741U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920174506.2U Active CN210100741U (en) | 2019-01-31 | 2019-01-31 | Laser welding device for plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210100741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11819942B2 (en) | 2020-12-10 | 2023-11-21 | Magna International Inc. | Method and apparatus for applying an active joining force during laser welding of overlapping workpieces |
-
2019
- 2019-01-31 CN CN201920174506.2U patent/CN210100741U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11819942B2 (en) | 2020-12-10 | 2023-11-21 | Magna International Inc. | Method and apparatus for applying an active joining force during laser welding of overlapping workpieces |
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