CN212495963U - High concentricity laser welding clamping device - Google Patents
High concentricity laser welding clamping device Download PDFInfo
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- CN212495963U CN212495963U CN202021095985.8U CN202021095985U CN212495963U CN 212495963 U CN212495963 U CN 212495963U CN 202021095985 U CN202021095985 U CN 202021095985U CN 212495963 U CN212495963 U CN 212495963U
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Abstract
The utility model discloses a high concentricity laser welding clamping device, which comprises a fixed adjusting base, a rotating platform base and a telescopic thimble mechanism which are respectively arranged at the two ends of the top of the fixed adjusting base, and a clamping chuck which is arranged on the rotating platform base through a switching disc; the clamping chuck can adjust the installation angle on the base of the rotating table, is locked and fixed by a locking mechanism and is used for clamping and driving a product to do rotating track motion; the telescopic ejector pin mechanism is used for concentrically fixing a product, and the precision of the product in the rotating process is guaranteed. The utility model discloses the device can realize the centre gripping of different grade type and size tubular product and support, can keep the in close contact with state with 2 concatenation tubular product butt joints again, avoids tubular product to rock at the rotation in-process, has greatly improved in the welding process because the eccentric problem of tubular product that material itself and welding generated heat and lead to, and then improves the welding precision.
Description
Technical Field
The utility model relates to a laser welding technical field especially relates to a high concentricity laser welding clamping device.
Background
The laser welding is to perform welding processing by utilizing the high energy of laser to reach high energy density on a focus after being focused by a lens, the whole processing process does not need to contact the surface of a processed object, the processing speed is high, the surface deformation is small, and various materials can be processed. Compared with the traditional welding, the laser welding has the advantages of high welding quality, high welding speed, fine welding seams, wide material adaptability and the like.
Most of small metal pipes need to be spliced together when being subjected to laser welding, and a clamping device is needed to support and enable 2 spliced pipes to keep certain concentricity. When the existing clamping device clamps a single pipe, only one end of the pipe can be clamped, and the other end of the pipe is in a suspended state, so that the support is unstable; when 2 concatenation tubular product are carried out the centre gripping, the concentricity can't be guaranteed, has reduced the machining precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high concentricity laser welding clamping device, the device can realize the centre gripping of different grade type and size tubular product and support, can keep the in close contact with state with 2 concatenation tubular product docks again, avoids tubular product to rock at the rotation in-process, has greatly improved in the welding process because the eccentric problem of tubular product that material itself and welding generate heat and lead to, and then has improved the welding precision.
In order to realize the purpose, the following technical scheme is adopted:
a high-concentricity laser welding clamping device comprises a fixed adjusting base, a rotating table base and a telescopic thimble mechanism which are respectively arranged at two ends of the top of the fixed adjusting base, and a clamping chuck which is arranged on the rotating table base through an adapter plate; the clamping chuck can adjust the installation angle on the base of the rotating table, is locked and fixed by a locking mechanism and is used for clamping and driving a product to do rotating track motion; the telescopic ejector pin mechanism is used for concentrically fixing a product, and the precision of the product in the rotating process is guaranteed.
Preferably, a plurality of fixing holes are linearly arranged in the length direction of the fixed adjusting base, the rotating table base is installed in the fixing hole at one end of the fixed adjusting base, and the telescopic ejector pin mechanism is installed in the fixing hole at the other end of the fixed adjusting base through the micro-moving adjusting block.
Preferably, the micro-moving adjusting block is provided with a plurality of adjusting holes, and the adjusting holes are formed along the length direction of the fixed adjusting base; the distance between the telescopic thimble mechanism and the clamping chuck is adjusted through the adjusting hole.
Preferably, the rotating platform base comprises two support plates arranged in parallel relatively, and a rotating frame arranged between the two support plates; one end of the rotating frame, which is far away from the telescopic thimble mechanism, is rotatably connected with the two support plates through a first rotating shaft, and the other end of the rotating frame is slidably connected with the two support plates through a second rotating shaft; and one ends of the two support plates, which are close to the telescopic thimble mechanism, are respectively provided with an arc-shaped guide groove matched with the second rotating shaft, and the locking mechanism is used for locking and fixing the second rotating shaft at any position of the arc-shaped guide groove.
Preferably, the rotating frame comprises a transverse plate and a vertical plate vertically arranged on the top of the transverse plate; the first rotating shaft and the second rotating shaft are installed at two opposite ends of the transverse plate, and the clamping chuck is installed on the vertical plate through the adapter plate.
Preferably, the retractable thimble mechanism includes a thimble base, a thimble retractable in the thimble base, and a rotating wheel for driving the thimble to retract.
Preferably, the ejector pin comprises a guide rod; one end of the guide rod, which is far away from the clamping chuck, is arranged in the thimble base in a sliding manner, and the rotating wheel is provided with a screw rod connected with the end of the guide rod; and the other end of the guide rod is provided with a tip through a bearing.
Preferably, the clamping chuck comprises a rotary servo motor and a chuck body connected with the rotary servo motor through an adapter disc; the chuck body is provided with a central hole for inserting a pipe, a plurality of sliding grooves penetrating through the central hole are formed in the periphery of the central hole at equal intervals, and each sliding groove is internally provided with a clamping jaw capable of moving along the radial direction.
Preferably, one end of the clamping jaw is clamped in the sliding groove, the other end of the clamping jaw extends out of the sliding groove, and the end face of the clamping jaw is provided with a step structure.
Adopt above-mentioned scheme, the beneficial effects of the utility model are that:
1) the fixed adjusting base is provided with a plurality of fixing holes which are linearly arranged, the pipe fitting can be compatible with various types and sizes by adjusting the assembling distance, the universality is strong, and the 2 spliced pipes can be tightly clamped concentrically by the telescopic thimble mechanism, so that the pipes are prevented from shaking up and down, left and right in the rotating process, the problem of pipe swinging in the processing process is greatly improved, and the welding precision is further improved;
2) the clamping jaws can firmly hold the pipes with different outer diameters or tightly support the pipes with different inner diameters through the step structures, so that the universality is strong and the stability is high;
3) the telescopic thimble mechanism adopts a modular telescopic and replaceable thimble head design, so that the reliability of effectively keeping and jacking the welded pipe can be ensured;
4) the device is integrally designed in a modularized mode, can be installed on other equipment needing concentric butt joint positioning, is not limited to laser welding machines, and is high in practicability.
Drawings
FIG. 1 is a perspective view of the utility model in use;
fig. 2 is a perspective view of the present invention;
FIG. 3 is a perspective view of the turntable base of the present invention;
fig. 4 is a perspective view of the retractable thimble mechanism of the present invention;
FIG. 5 is a schematic structural view of the retractable thimble mechanism and the spliced pipe of the present invention;
fig. 6 is a perspective view of the clamping chuck of the present invention;
wherein the figures identify the description:
1-fixed adjusting base, 2-rotating table base,
3-a telescopic thimble mechanism, 4-a clamping chuck,
5-switching disk, 6-micro-moving regulating block,
7-splicing the pipes, 8-welding the joints,
21-a support plate, 22-a rotating frame,
23-a first axis of rotation, 24-a second axis of rotation,
25-arc guide groove, 31-thimble base,
32-a thimble, 33-a rotating wheel,
34-a screw rod, 41-a rotary servo motor,
42-chuck body, 43-jaws,
321-guide rod, 322-tip.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 6, the utility model provides a high concentricity laser welding clamping device, which comprises a fixed adjusting base 1, a rotating platform base 2 and a telescopic thimble mechanism 3 which are respectively arranged at two ends of the top of the fixed adjusting base 1, and a clamping chuck 4 which is arranged on the rotating platform base 2 through a switching disc 5; the clamping chuck 4 can adjust the installation angle on the rotating table base 2, is locked and fixed by a locking mechanism and is used for clamping and driving a product to do rotating track motion; the telescopic thimble mechanism 3 is used for concentrically fixing a product, and the precision of the product in the rotating process is ensured.
Wherein, a plurality of fixed orificess have been arranged to the straight line on the length direction of fixed regulation base 1, and revolving stage base 2 installs the fixed orifices at fixed regulation base 1 one end, and flexible thimble mechanism 3 is installed the fixed orifices at the fixed regulation base 1 other end through shifting regulating block 6 a little. A plurality of adjusting holes are formed in the micro-moving adjusting block 6, the adjusting holes are formed along the length direction of the fixed adjusting base 1, the adjusting holes are used for fine adjustment after pipes with different lengths are replaced, and the micro-moving adjusting block 6 and the fixed adjusting base 1 are fixed through screws; the distance between the telescopic thimble mechanism 3 and the clamping chuck 4 is adjusted through the adjusting hole.
The rotating platform base 2 comprises two support plates 21 which are arranged in parallel relatively, and a rotating frame 22 arranged between the two support plates 21; one end of the rotating frame 22, which is far away from the telescopic thimble mechanism 3, is rotatably connected with the two support plates 21 through a first rotating shaft 23, and the other end is slidably connected with the two support plates 21 through a second rotating shaft 24; and one ends of the two support plates 21 close to the telescopic thimble mechanism 3 are respectively provided with an arc-shaped guide groove 25 matched with the second rotating shaft 24, and the locking mechanism is used for locking and fixing the second rotating shaft 24 at any position of the arc-shaped guide groove 25. The rotating frame 22 comprises a transverse plate and a vertical plate vertically arranged at the top of the transverse plate; the first rotating shaft 23 and the second rotating shaft 24 are mounted at two opposite ends of the transverse plate, and the clamping chuck 4 is mounted on the vertical plate through the adapter plate 5.
The retractable thimble mechanism 3 includes a thimble base 31, a thimble 32 retractable in the thimble base 31, and a rotation wheel 33 for driving the thimble 32 to retract and retract. The thimble 32 includes a guide rod 321; one end of the guide rod 321 far away from the clamping chuck 4 is arranged in the thimble base 31 in a sliding manner, and the rotating wheel 33 is provided with a screw 34 connected with the end of the guide rod 321; the other end of the guide rod 321 is provided with a top tip 322 through a bearing, the top tip 322 is of a replaceable structure, and the top tip 322 can be customized according to the mechanical characteristics of a product.
The clamping chuck 4 comprises a rotary servo motor 41 and a chuck body 42 connected with the rotary servo motor 41 through an adapter disc 5; the chuck body 42 is provided with a central hole for inserting a pipe, a plurality of sliding grooves penetrating through the central hole are arranged on the periphery of the central hole at equal intervals, a clamping jaw 43 capable of moving along the radial direction is arranged in each sliding groove, and the clamping jaw 43 can be used for clamping round pipe materials with smaller diameters. The one end joint of jack catch 43 is in the spout, and the other end extends to outside the spout and be equipped with the stair structure on this terminal surface, and the stair structure includes the step of three equal height, can be used to the pipe material of the great diameter of internal stay centre gripping.
The utility model discloses the theory of operation:
the clamping chuck 4 is used for clamping pipes with different pipe diameters by adjusting the jaws 43 to move along the radial direction, and the spliced pipes 7 with different lengths in a certain range can be supported by adjusting the position of the micro-moving adjusting block 6 on the fixed adjusting base 1.
The locking mechanism (not shown in the figure) includes angle adjusting screws respectively disposed at two ends of the second rotating shaft 24, when some products matched with the male and female to be clamped need to keep a certain included angle with the welding head, the angle locking screws at two ends of the second rotating shaft 24 are loosened, by lifting the second rotating shaft 24, the clamping chuck 4 can rotate around the first rotating shaft 23 as an axis, and when the product reaches a predetermined angle, the angle locking screws at two ends of the second rotating shaft 24 are locked, and in this application state, the retractable thimble mechanism 3 does not need to be used.
When the tubular product that the concatenation level was placed is required to the centre gripping, adjust the horizontality with centre gripping chuck 4, one of them concatenation tubular product 7 of centre gripping through centre gripping chuck 4, for keeping the concentricity of concatenation tubular product 7, only need rotatory swiveling wheel 33 of thimble 32 afterbody, screw rod 34 can push away the radial concentric slow motion of guide bar 321, thereby let 2 concatenation tubular product 7 keep certain centre gripping dynamics and high concentricity, apex head 322 is installed at the bearing inboard, the concentric embedding of bearing is on guide bar 321, the one end that guide bar 321 and screw rod 322 are connected is provided with the thread groove, reach the purpose that apex head 322 can freely stretch out and draw back, greatly strengthen the flexibility of the different length tubular product of device centre gripping.
Jack catch 43 and the corresponding setting of spout are 3, jack catch 43 is adjusted through centre gripping adjusting nut in the removal in the spout and is realized, clockwise and anticlockwise rotation through centre gripping adjusting nut, can adjust 3 jack catch 43 synchronous to the centre bore clamp tight or synchronous toward the centre bore outward expansion respectively, in order to reach the purpose of the different diameter tubular product of centre gripping, the commonality is strong, and 3 synchronous jack catch 43 can let tubular product remain central point all the time again, including the centering of flexible thimble mechanism 3 keeps, can effectively avoid tubular product to rock about the rotation in-process, tubular product vibrations eccentric problem in the spin welding process has greatly been improved, and then improve the machining precision.
In an embodiment, the chuck body 42 and the adapter plate 5 are engaged with each other via a circular boss and a circular groove, for example, the circular boss is disposed on the end surface of the chuck body 42, and the circular groove is disposed on the end surface of the adapter plate 5. First rotation axis 23 adopts rotatory optical axis, and extension board 21 adopts the sector plate, and the switching dish 5 input side directly links with rotatory servo motor 41, does not have the loss of precision when guaranteeing to rotate, and the output side passes through circular boss and circular recess cooperation with chuck body 42, reaches the purpose of finding the concentricity fast automatically.
The rotary servo motor 41 and the adapter plate 5 are directly connected, so that the stability of the rotary motion of the clamping chuck 4 can be ensured, and the transmission precision is improved; the rotation path of the rotary servo motor 41 is controlled by an upper computer and a driver, so that various curve paths except circular motion can be realized; the device adopts the modularized design, can install this device on other equipment that need concentric butt joint location, and not only restrict laser-beam welding machine, the practicality is strong.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A high-concentricity laser welding clamping device is characterized by comprising a fixed adjusting base, a rotating table base and a telescopic thimble mechanism which are respectively arranged at two ends of the top of the fixed adjusting base, and a clamping chuck arranged on the rotating table base through an adapter plate; the clamping chuck can adjust the installation angle on the base of the rotating table, is locked and fixed by a locking mechanism and is used for clamping and driving a product to do rotating track motion; the telescopic ejector pin mechanism is used for concentrically fixing a product, and the precision of the product in the rotating process is guaranteed.
2. The clamping device for high-concentricity laser welding according to claim 1, wherein a plurality of fixing holes are linearly arranged in the length direction of the fixed adjusting base, the rotating table base is arranged in the fixing hole at one end of the fixed adjusting base, and the telescopic ejector pin mechanism is arranged in the fixing hole at the other end of the fixed adjusting base through a fine movement adjusting block.
3. The high-concentricity laser welding clamping device as claimed in claim 2, wherein the fine movement adjusting block is provided with a plurality of adjusting holes, and the adjusting holes are formed along the length direction of the fixed adjusting base; the distance between the telescopic thimble mechanism and the clamping chuck is adjusted through the adjusting hole.
4. The clamping device for high-concentricity laser welding according to claim 1, wherein the rotating table base comprises two support plates which are arranged in parallel relatively, and a rotating frame arranged between the two support plates; one end of the rotating frame, which is far away from the telescopic thimble mechanism, is rotatably connected with the two support plates through a first rotating shaft, and the other end of the rotating frame is slidably connected with the two support plates through a second rotating shaft; and one ends of the two support plates, which are close to the telescopic thimble mechanism, are respectively provided with an arc-shaped guide groove matched with the second rotating shaft, and the locking mechanism is used for locking and fixing the second rotating shaft at any position of the arc-shaped guide groove.
5. The clamping device for high-concentricity laser welding according to claim 4, wherein the rotating frame comprises a transverse plate and a vertical plate vertically arranged on the top of the transverse plate; the first rotating shaft and the second rotating shaft are installed at two opposite ends of the transverse plate, and the clamping chuck is installed on the vertical plate through the adapter plate.
6. The clamping device for high-concentricity laser welding according to claim 1, wherein the retractable thimble mechanism comprises a thimble base, a thimble retractable in the thimble base, and a rotating wheel for driving the thimble to retract and retract.
7. The clamping device for high-concentricity laser welding according to claim 6, wherein the thimble comprises a guide rod; one end of the guide rod, which is far away from the clamping chuck, is arranged in the thimble base in a sliding manner, and the rotating wheel is provided with a screw rod connected with the end of the guide rod; and the other end of the guide rod is provided with a tip through a bearing.
8. The clamping device for high-concentricity laser welding according to claim 1, wherein the clamping chuck comprises a rotary servo motor and a chuck body connected with the rotary servo motor through an adapter disc; the chuck body is provided with a central hole for inserting a pipe, a plurality of sliding grooves penetrating through the central hole are formed in the periphery of the central hole at equal intervals, and each sliding groove is internally provided with a clamping jaw capable of moving along the radial direction.
9. The clamping device for high-concentricity laser welding according to claim 8, wherein one end of the clamping jaw is clamped in the sliding groove, the other end of the clamping jaw extends out of the sliding groove, and a step structure is arranged on the end face of one end of the clamping jaw, which extends out of the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021095985.8U CN212495963U (en) | 2020-06-12 | 2020-06-12 | High concentricity laser welding clamping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021095985.8U CN212495963U (en) | 2020-06-12 | 2020-06-12 | High concentricity laser welding clamping device |
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|---|---|
| CN212495963U true CN212495963U (en) | 2021-02-09 |
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| CN202021095985.8U Active CN212495963U (en) | 2020-06-12 | 2020-06-12 | High concentricity laser welding clamping device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418989A (en) * | 2021-08-19 | 2021-09-21 | 南通辰同智能科技有限公司 | Ultrasonic liquid immersion detection assembly for large bearing roller |
| CN115351511A (en) * | 2022-08-29 | 2022-11-18 | 浙江展帆实业有限公司 | Water meter shell manufacturing process and water meter shell production line |
| CN115401375A (en) * | 2022-10-27 | 2022-11-29 | 吉林华飞电子设备有限公司 | Multifunctional automatic welding device |
| CN116160192A (en) * | 2023-04-26 | 2023-05-26 | 淮安太阳鸟焊割设备有限公司 | Combined drill rod welding equipment and welding method thereof |
-
2020
- 2020-06-12 CN CN202021095985.8U patent/CN212495963U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418989A (en) * | 2021-08-19 | 2021-09-21 | 南通辰同智能科技有限公司 | Ultrasonic liquid immersion detection assembly for large bearing roller |
| CN115351511A (en) * | 2022-08-29 | 2022-11-18 | 浙江展帆实业有限公司 | Water meter shell manufacturing process and water meter shell production line |
| CN115401375A (en) * | 2022-10-27 | 2022-11-29 | 吉林华飞电子设备有限公司 | Multifunctional automatic welding device |
| CN116160192A (en) * | 2023-04-26 | 2023-05-26 | 淮安太阳鸟焊割设备有限公司 | Combined drill rod welding equipment and welding method thereof |
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