CN209886901U - Adjustable welding seam auxiliary pressing device for laser welding - Google Patents
Adjustable welding seam auxiliary pressing device for laser welding Download PDFInfo
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- CN209886901U CN209886901U CN201920382189.3U CN201920382189U CN209886901U CN 209886901 U CN209886901 U CN 209886901U CN 201920382189 U CN201920382189 U CN 201920382189U CN 209886901 U CN209886901 U CN 209886901U
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- laser welding
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- pressing device
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Abstract
The utility model belongs to the technical field of the laser welding, concretely relates to closing device is assisted with adjustable welding seam to laser welding, include base, hold-down mechanism, be used for the drive hold-down mechanism that reciprocates and be used for adjusting the adjustment mechanism of the deflection angle of base, actuating mechanism with actuating mechanism all set up in on the base, hold-down mechanism with actuating mechanism connects, adjustment mechanism includes first regulating plate, can be relative first regulating plate pivoted second regulating plate and be used for restricting the second regulating plate relative first regulating plate pivoted locking mechanism, first regulating plate is connected with the laser welding head, the second regulating plate with pedestal connection. The utility model provides a base rotates through the first regulating plate on second regulating plate and the laser-beam welding head and is connected among the supplementary closing device of adjustable welding seam for laser welding for hold-down mechanism can follow the laser-beam welding head and continuously compress tightly to the welding seam position accuracy.
Description
Technical Field
The utility model belongs to the technical field of laser welding, concretely relates to laser welding is with supplementary closing device of adjustable welding seam.
Background
The laser welding has strict requirements on gaps between workpieces, the welding workpieces need to be compressed by a clamp, and different workpieces need corresponding clamps. Particularly, in the laser welding forming process of the automobile roof, the weld seam clearance of a large-size long-stroke thin plate structural part is controlled, if the pressure is different in the welding process, the thin-wall part of the automobile roof deforms in the welding process, the welding quality is influenced, the collinear production cannot be realized, and the automation level is low; the workpiece clamp cannot move and cannot accurately and continuously compress the welding position along with the laser welding head.
Disclosure of Invention
In order to overcome the deficiencies in the prior art, the utility model aims at providing a laser welding is with supplementary closing device of adjustable welding seam can adapt to the laser welding environment of different work pieces and different pressure.
In order to realize the above-mentioned purpose, the technical scheme of the utility model is a closing device is assisted with adjustable welding seam to laser welding, include base, hold-down mechanism, be used for the drive hold-down mechanism that reciprocates and be used for adjusting the adjustment mechanism of the deflection angle of base, actuating mechanism with actuating mechanism all set up in on the base, hold-down mechanism with actuating mechanism connects, adjustment mechanism includes first regulating plate, can be relative first regulating plate pivoted second regulating plate and be used for restricting the second regulating plate relative first regulating plate pivoted locking mechanism, first regulating plate is connected with the laser-beam welding head, the second regulating plate with pedestal connection.
Furthermore, be equipped with long circular arc hole on the first regulating plate, locking mechanism include the nut and with long circular arc hole cooperation bolt, the one end of bolt with the second regulating plate is connected, and the other end passes behind the long circular arc hole with the nut is connected.
Further, the bending direction of the long circular arc-shaped hole is consistent with the rotating direction of the second adjusting plate.
Furthermore, at least two long arc-shaped holes are arranged, and the long arc-shaped holes are distributed at equal intervals along the circumferential direction of the circle where the long arc-shaped holes are located; the locking mechanisms correspond to the long circular arc holes one by one.
Further, hold-down mechanism includes main slider, pressure sensor, vice slider and flat gyro wheel, main slider with pressure sensor all with actuating mechanism connects, vice slider passes through pressure sensor with main slider is connected, flat gyro wheel with vice slider is connected.
Furthermore, actuating mechanism includes servo motor and lead screw, servo motor is fixed in on the base, servo motor's output shaft with lead screw connection, install screw nut on the lead screw, screw nut with main slider is connected, servo motor with pressure sensor connects.
Furthermore, the auxiliary sliding block is connected with the flat roller through a roller support, the roller support comprises a telescopic arm and a bearing, one end of the telescopic arm is connected with the auxiliary sliding block, and the other end of the telescopic arm is connected with the flat roller through the bearing.
Furthermore, an absolute value encoder for recording the up-and-down movement position of the flat roller is installed on the servo motor.
Further, be equipped with the protection casing on the base, the lead screw and hold-down mechanism all is located in the protection casing.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the adjustable welding seam auxiliary pressing device for laser welding provided by the utility model can adapt to various welding seams, is not restricted by the length of the welding seam, simplifies the structure of welding equipment, reduces the cost of processing equipment, can better expand the application of laser welding, and obviously improves the quality of laser welding;
(2) the utility model provides a base rotates through the first regulating plate on second regulating plate and the laser-beam welding head and is connected among the supplementary closing device of adjustable welding seam for laser welding for hold-down mechanism can follow the laser-beam welding head and continuously compress tightly to the welding seam position accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a welding seam follow-up adaptive pressing device for laser welding according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a welding seam follow-up adaptive pressing device for laser welding according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a welding seam follow-up adaptive pressing device for laser welding according to an embodiment of the present invention;
in the figure: 1. the laser welding device comprises a laser welding head, 2, a first adjusting plate, 3, a second adjusting plate, 4, a base, 5, a servo motor, 6, a lead screw, 7, a main sliding block, 8, a pressure sensor, 9, an auxiliary sliding block, 10, a flat roller, 11, a protective cover, 12, a laser beam, 13, a long and round arc-shaped hole, 14 and a bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, the embodiment of the utility model provides a closing device is assisted with adjustable welding seam to laser welding, include base 4, hold-down mechanism, be used for the drive hold-down mechanism actuating mechanism that reciprocates and be used for adjusting the adjustment mechanism of the deflection angle of base, actuating mechanism with actuating mechanism all set up in on the base 4, hold-down mechanism with actuating mechanism connects, adjustment mechanism includes first regulating plate 2, can be relative first regulating plate 2 pivoted second regulating plate 3 and be used for restricting second regulating plate 3 relative first regulating plate 2 pivoted locking mechanism, first regulating plate 2 is connected with laser welding head 1, second regulating plate 3 with base 4 connects. In the adjustable auxiliary welding seam pressing device for laser welding provided by the embodiment, the base 4 is rotatably connected with the first adjusting plate 2 on the laser welding head 1 through the second adjusting plate 3, so that the pressing mechanism can follow the laser welding head 1 to accurately and continuously press the welding seam position.
Further, be equipped with long circular arc hole 13 on the first regulating plate 2, locking mechanism include the nut and with long circular arc hole 13 cooperation bolt 14, the one end of bolt 14 with second regulating plate 3 is connected, and the other end passes behind the long circular arc hole 13 with nut 14 is connected. As shown in fig. 1 and 3, the smooth section of the bolt 14 in this embodiment can slide in the long circular arc hole 13, so as to drive the base 4, the driving mechanism and the pressing mechanism on the base 4 to move together, so that the pressing mechanism deflects a certain angle relative to the laser welding head 1, and then the pressing mechanism is connected with the threaded section of the bolt 14 by a nut to fix, so as to achieve the purpose that the pressing mechanism follows the laser welding head 1 to accurately and continuously press the weld positions in different directions.
Further, the bending direction of the long circular arc-shaped hole 13 is consistent with the rotating direction of the second adjusting plate 3, so that the base 4 slides along the long circular arc-shaped hole 13 on the first adjusting plate 2 along with the second adjusting plate 3, and the radius and the central angle of a circle where the long circular arc-shaped hole is located can be determined according to actual conditions.
Furthermore, at least two long arc-shaped holes 13 are formed, and the long arc-shaped holes 13 are distributed at equal intervals along the circumferential direction of the circle where the long arc-shaped holes 13 are located; the locking mechanisms correspond to the long circular arc-shaped holes 13 one by one. As shown in fig. 1 and 3, in the present embodiment, four long circular arc holes 13 are distributed on the first adjusting plate 2 at equal intervals in the circumferential direction of the circle where the long circular arc holes 13 are located, four bolts 14 which are in sliding fit with the long circular arc holes 13 are correspondingly arranged on the second adjusting plate 3, and the four long circular arc holes 13 and the four bolts 14 are matched together to control the rotation of the base 4.
Further, hold-down mechanism includes main slider 7, pressure sensor 8, vice slider 9 and flat gyro wheel 10, main slider 7 with pressure sensor 8 all with actuating mechanism is connected, vice slider 9 passes through pressure sensor 8 with main slider 7 is connected, flat gyro wheel 10 with vice slider 9 is connected. In this embodiment, the upper end of the pressure sensor 8 is connected with the lower end of the main slider 7, the lower end of the pressure sensor 8 is connected with the upper end of the auxiliary slider 9, and the lower end of the auxiliary slider 9 is connected with the flat roller 10 to realize synchronous movement.
Furthermore, actuating mechanism includes servo motor 5 and lead screw 6, servo motor 5 is fixed in through the motor flange on the base 4, servo motor 5's output shaft with lead screw 6 is connected, install screw nut on the lead screw 6, screw nut with main slider 7 is connected, servo motor 5 with pressure sensor 8 is connected. In the embodiment, the servo motor 5 is adopted for driving, so that the response speed and the control precision are improved; and the pressure sensor 8 is connected with the servo motor 5, and the flat roller 10 can generate downward constant pressure through the curve relation of the pressure and the output torque of the motor, so that the aim of accurately and continuously pressing the welding seam position by the flat roller 10 along with the laser welding head 1 is fulfilled.
During operation, servo motor 5 drive lead screw 6 drives main slider 7 and moves down to drive pressure sensor 8 and vice slider 9 and move down, flat gyro wheel 10 is also along with vice slider 9 by initial position downstream approach the work piece that needs compress tightly, produce ascending reaction force after flat gyro wheel 10 contacts the work piece, pass pressure to pressure sensor 8 through vice slider 9, pressure sensor 8 transmits the pressure signal who produces for servo motor 5, servo motor 5 outputs constant torque in real time according to the pressure signal who receives, rethread lead screw 6 is to transmitting constant pressure, the decurrent effort of control flat gyro wheel 10, make flat gyro wheel 10 compress tightly the lasting constant force of work piece.
Furthermore, the auxiliary sliding block 9 is connected with the flat roller 10 through a roller support, the roller support comprises a telescopic arm and a bearing, one end of the telescopic arm is connected with the auxiliary sliding block 9, and the other end of the telescopic arm is connected with the flat roller 10 through the bearing. In the present embodiment, the flat roller 10 is made of a high temperature resistant material and has a small lateral dimension, which can be closer to the laser beam 12 outputted from the laser welding head 1, and achieve the press welding in a narrow space
Furthermore, the servo motor 5 is provided with an absolute value encoder for indirectly recording the up-and-down movement position of the flat roller 10, the flat roller 10 stays at the uppermost initial position before the device operates, and the servo motor 5 can record the position so that the flat roller 10 is ensured to be within an interval distance in the up-and-down movement process.
Further, be equipped with protection casing 11 on the base 4, lead screw 6 and hold-down mechanism all is located in protection casing 11, protection casing 11 keeps apart outside smoke and dust rather than inside, avoids causing the influence to lead screw 6 and hold-down mechanism.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a closing device is assisted with adjustable welding seam to laser welding which characterized in that: including base, hold-down mechanism, be used for the drive hold-down mechanism's actuating mechanism that reciprocates and be used for adjusting the adjustment mechanism of the deflection angle of base, actuating mechanism with actuating mechanism all set up in on the base, hold-down mechanism with actuating mechanism connects, adjustment mechanism includes first regulating plate, can be relative first regulating plate pivoted second regulating plate and be used for restricting the second regulating plate relative first regulating plate pivoted locking mechanism, first regulating plate is connected with laser welder head, the second regulating plate with pedestal connection.
2. The adjustable weld joint auxiliary pressing device for laser welding as claimed in claim 1, wherein: be equipped with long circular arc hole on the first regulating plate, locking mechanism include the nut and with long circular arc hole cooperation bolt, the one end of bolt with the second regulating plate is connected, and the other end passes behind the long circular arc hole with the nut is connected.
3. The adjustable weld joint auxiliary pressing device for laser welding as claimed in claim 2, wherein: the bending direction of the long circular arc-shaped hole is consistent with the rotating direction of the second adjusting plate.
4. The adjustable weld joint auxiliary pressing device for laser welding as claimed in claim 3, wherein: at least two long arc-shaped holes are formed, and the long arc-shaped holes are distributed at equal intervals along the circumferential direction of the circle where the long arc-shaped holes are located; the locking mechanisms correspond to the long circular arc holes one by one.
5. The adjustable weld joint auxiliary pressing device for laser welding as claimed in claim 1, wherein: the pressing mechanism comprises a main sliding block, a pressure sensor, an auxiliary sliding block and a flat roller, the main sliding block and the pressure sensor are connected with the driving mechanism, the auxiliary sliding block is connected with the main sliding block through the pressure sensor, and the flat roller is connected with the auxiliary sliding block.
6. The adjustable weld joint auxiliary pressing device for laser welding as claimed in claim 5, wherein: the driving mechanism comprises a servo motor and a lead screw, the servo motor is fixed on the base, an output shaft of the servo motor is connected with the lead screw, a lead screw nut is installed on the lead screw and connected with the main sliding block, and the servo motor is connected with the pressure sensor.
7. The adjustable weld joint auxiliary pressing device for laser welding as claimed in claim 5, wherein: the auxiliary sliding block is connected with the flat roller through a roller support, the roller support comprises a telescopic arm and a bearing, one end of the telescopic arm is connected with the auxiliary sliding block, and the other end of the telescopic arm is connected with the flat roller through the bearing.
8. The adjustable weld joint auxiliary pressing device for laser welding as claimed in claim 6, wherein: and the servo motor is provided with an absolute value encoder for recording the up-and-down movement position of the flat roller.
9. The adjustable weld joint auxiliary pressing device for laser welding as claimed in claim 6, wherein: the base is provided with a protective cover, and the lead screw and the pressing mechanism are both located in the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382189.3U CN209886901U (en) | 2019-03-25 | 2019-03-25 | Adjustable welding seam auxiliary pressing device for laser welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920382189.3U CN209886901U (en) | 2019-03-25 | 2019-03-25 | Adjustable welding seam auxiliary pressing device for laser welding |
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| Publication Number | Publication Date |
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| CN209886901U true CN209886901U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920382189.3U Active CN209886901U (en) | 2019-03-25 | 2019-03-25 | Adjustable welding seam auxiliary pressing device for laser welding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247354A (en) * | 2020-10-14 | 2021-01-22 | 浙江银轮机械股份有限公司 | Water cooling plate production process and water cooling plate welding device |
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2019
- 2019-03-25 CN CN201920382189.3U patent/CN209886901U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247354A (en) * | 2020-10-14 | 2021-01-22 | 浙江银轮机械股份有限公司 | Water cooling plate production process and water cooling plate welding device |
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