CN116252080B - Multi-point head welding device suitable for special-shaped machined surface and control method thereof - Google Patents
Multi-point head welding device suitable for special-shaped machined surface and control method thereof Download PDFInfo
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- CN116252080B CN116252080B CN202310521967.3A CN202310521967A CN116252080B CN 116252080 B CN116252080 B CN 116252080B CN 202310521967 A CN202310521967 A CN 202310521967A CN 116252080 B CN116252080 B CN 116252080B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The application belongs to the technical field of welding devices, and particularly relates to a multi-point welding device suitable for a special-shaped processing surface and a control method thereof, wherein the multi-point welding device comprises a driving assembly, two groups of first linkage assemblies, two groups of clamping assemblies, two groups of second linkage assemblies and two groups of spot welding assemblies; the two groups of first linkage components are in sliding connection with the top of the driving component, are in sliding connection with the second linkage components through the spot welding components, are used for adjusting the distance between the spot welding components and the special-shaped pipe fittings, so that the compatibility of multi-spot welding is improved, the second linkage components and the spot welding components are driven to move to the driving component through the driving component, one end of the driving component is reserved for blanking of the special-shaped pipe fittings after spot welding, the clamping component is driven to rotate through the first linkage components, the special-shaped pipe fittings on the clamping component are driven to one side of the driving component, and the quick blanking of the special-shaped pipe fittings after spot welding is used for improving the efficiency of multi-spot welding of the special-shaped pipe fittings.
Description
Technical Field
The application belongs to the technical field of welding devices, and particularly relates to a multi-point head welding device suitable for a special-shaped machining surface and a control method thereof.
Background
In the prior art, automatic welding of carbon steel and stainless steel has been widely applied to the welding field, and the welding device can show good welding performance when welding straight seams, but for welding large-diameter pipe fittings, the traditional welding effect is poor, and the seam is not easy to fill up gaps between the two pipe fittings, so that the welding quality is poor.
Through searching, in the prior art, chinese patent application number: CN201620858419.5, filing date: 2016-08-09 discloses a pipe fitting welding set, aims at solving the poor problem of welding effect, and its technical scheme main points are: the utility model provides a pipe fitting welding set, includes the support, support top fixedly connected with wire feeder, wire feeder is connected with welder, fixedly connected with and welder fixed connection on the support and make the welding seam cover the vibration subassembly that has eccentric structure in the gap between two pipe fittings completely, vibration subassembly is including the motor, the motor rotates in the vertical direction and is connected with eccentric lug, eccentric lug rotates and is connected with coupling assembling, coupling assembling and welder fixed connection. The pipe fitting welding device has good welding effect.
The device still has the following drawbacks: although can effectively prevent through this rubber layer that the pipe fitting from skidding with taking place between the cylinder, but along with the popularization of special-shaped pipe fitting can't satisfy the welding demand of this type of pipe fitting, in the welding process to special-shaped pipe fitting moreover, carry out the multipoint welding after being difficult to the port level butt joint of special-shaped pipe fitting, there are more technical problems.
Disclosure of Invention
Aiming at the problems, the application provides a multi-point welding device suitable for a special-shaped processing surface, which comprises a driving assembly, two groups of first linkage assemblies, two groups of clamping assemblies, two groups of second linkage assemblies and two groups of spot welding assemblies;
the two groups of first linkage assemblies are in sliding connection with the top of the driving assembly, the two groups of first linkage assemblies are symmetrically arranged by taking the central axis of the driving assembly as the center, the two groups of clamping assemblies are in rotating connection with the adjacent side walls of the two groups of first linkage assemblies, the two groups of second linkage assemblies are in sliding connection with the outer wall of the driving assembly, the two groups of second linkage assemblies are symmetrically arranged by taking the central axis of the driving assembly as the center, and the adjacent side walls of the two groups of second linkage assemblies are movably connected with the two groups of spot welding assemblies;
the spot welding assembly comprises a guide shell and a welding mechanism; the inner wall of the guide shell is provided with a guide sliding cavity, the inner wall of the guide sliding cavity is rotationally connected with a guide mounting block, and the welding mechanism is fixedly connected with the inner wall of the guide mounting block.
Further, still set up the gear assembly groove on the direction casing, just gear assembly groove communicates with direction sliding chamber each other, the outer wall embedding of direction casing installs the fifth motor, the output transmission of fifth motor is connected with the gear, just the gear extends to the inner wall of gear assembly groove, direction casing is fan annular structure, the locking hole has been seted up to the inner wall of direction sliding chamber and the position symmetry that is close to both ends, the outer wall fixedly connected with outer ring gear of direction installation piece, just outer ring gear is connected with the gear engagement transmission, the position embedding that the direction installation piece is close to the tip is installed biax telescopic link, just the equal movable joint of output of biax telescopic link is in the locking hole, the both ends of direction installation piece all are provided with the magnetism adsorption terminal.
Further, the drive assembly includes a first housing, a first cross plate, and a second cross plate; the first shell is of an open structure, two groups of first sliding grooves are symmetrically formed in the outer wall of the first shell, a first linkage block is connected to the top of the first transverse plate in a sliding mode, the first transverse plate is fixedly connected to the bottom of the first shell, two groups of first electric push rods are fixedly connected to the top of the first linkage block, the two groups of first electric push rods are symmetrically arranged by taking the central axis of the first linkage block as the center, and one side, close to the output end, of each first electric push rod is connected to the inner wall of each first sliding groove in a sliding mode.
Further, threaded connection has first lead screw on the first linkage piece, just the output of the equal transmission connection of both ends of first lead screw has first motor, the second spout has been seted up on the surface of second diaphragm, just the bottom fixed connection of second diaphragm is at the top of first casing, sliding connection has two sets of second linkage pieces on the second spout, two sets of threaded connection has the second lead screw on the second linkage piece, the output of the equal transmission connection of both ends of second lead screw has the second motor, the equal fixed connection in the inner wall of first casing of one side that the output was kept away from to first motor and second motor.
Further, the first linkage assembly includes a support column; the bottom fixed connection of support column is at the top of second linkage piece, the top fixedly connected with second electric putter of support column, just second electric putter's output and clamping assembly activity joint, the outer wall of support column and be close to one side fixedly connected with third motor of spot welding assembly, the output and the clamping assembly transmission of third motor are connected.
Further, the clamping assembly comprises a second shell, a secondary clamping mechanism and a material loading mechanism; a plurality of groups of limiting holes are formed in one side wall of the second shell, the limiting holes are arranged in an annular array by taking the central axis of the second shell as the center, the central axis of the second shell is in transmission connection with the output end of the third motor, the limiting holes are movably clamped with the output end of the second electric push rod and matched with the output end of the third motor, the inner wall of the second shell is fixedly connected with a plurality of groups of third electric push rods, and a plurality of groups of third electric putter uses the axis of second casing to be annular array setting as the center, secondary fixture fixed connection is at the outer wall of second casing, just secondary fixture's one end and year material mechanism fixed connection, spacing hole, secondary fixture, year material mechanism and third electric putter's quantity are the same, and every group third electric putter's output all is connected with secondary fixture transmission.
Further, the secondary clamping mechanism comprises a third linkage block; one end of the third linkage block is fixedly connected to the outer wall of the second shell, a third sliding groove is formed in the surface of the third linkage block, a third transverse plate is slidably connected to the inner wall of the third sliding groove, a guide sliding hole communicated with the third sliding groove is formed in the bottom of the third linkage block, the inner wall of the guide sliding hole is slidably connected with the output end of the third electric push rod, the output end of the third electric push rod is in transmission connection with the third transverse plate, two groups of linkage arms are fixedly connected to the top of the third transverse plate, clamping plates are fixedly connected to the end parts of the linkage arms, the two groups of clamping plates are of a fan-shaped structure, and two groups of adjacent side walls of the clamping plates are slidably connected to the outer wall of the material carrying mechanism;
the material loading mechanism comprises a material loading block; the top of loading piece has been seted up the loading groove, the top sliding connection of loading piece has fourth linkage piece and fifth linkage piece, fourth linkage piece and fifth linkage piece use the axis of loading piece to set up as central symmetry, the butt joint groove has all been seted up to one side that fourth linkage piece and fifth linkage piece are close to the loading groove, and two sets of the butt joint groove is the round hole that the concatenation formed with the loading groove, two sets of fourth spouts have been seted up on the top of loading piece, just the equal sliding connection of inner wall of fourth spout has the sixth linkage piece, two sets of be provided with the biax motor between the adjacent lateral wall of sixth linkage piece, the equal transmission of both sides output of biax motor is connected with the third lead screw, and two sets of equal threaded connection of third lead screw is on the sixth linkage piece.
Further, the second linkage assembly includes a linkage plate; the linkage plate surface has seted up the fifth spout, the outer wall of linkage plate and the one end that keeps away from the fifth spout are connected with the output transmission of first electric putter, the inner wall sliding connection of fifth spout has the fourth motor, the embedding is installed the fourth electric putter on the linkage plate, the output of fourth electric putter extends to in the fifth spout, just the output of fourth electric putter is connected with the bottom transmission of fourth motor, the output of fourth motor is connected with spot welding subassembly transmission.
Further, the welding mechanism includes a third housing; the high-definition camera is fixedly connected to the outer wall of one side of the third shell, the transparent protective cover is sleeved on the outer side of the high-definition camera, the fifth electric push rod is fixedly connected to the inner wall of the third shell, the output end of the fifth electric push rod penetrates through the third shell, and the output end of the fifth electric push rod extends to the outer portion of the third shell to be connected with the spot welding head in a transmission mode.
A control method of a multipoint head welding device suitable for a special-shaped processing surface comprises the following steps,
fixing two special-shaped pipe fittings to be welded through two groups of clamping assemblies;
the driving assembly drives the two groups of first linkage assemblies to approach each other, so that the two groups of clamping assemblies synchronously move;
the two groups of second linkage assemblies are driven by the driving assembly, so that the two groups of spot welding assemblies are sleeved at the positions of the ports of the two special-shaped pipe fittings;
the welding mechanism is driven to rotate on the inner wall of the guide sliding cavity through the guide mounting blocks, so that the welding mechanism on each group of guide mounting blocks performs multi-point welding on the ports of two special-shaped pipe fittings;
the two groups of spot welding assemblies are driven to be far away from each other by the two groups of second linkage assemblies;
the two groups of second linkage assemblies are driven by the driving assembly, so that the two groups of spot welding assemblies move to one end of the driving assembly;
the two groups of first linkage assemblies drive the welded special-shaped pipe fittings on the two groups of clamping assemblies to rotate to one side of the driving assembly, so that the welded special-shaped pipe fittings are convenient to discharge.
The beneficial effects of the application are as follows:
1. the spot welding assembly is slidably connected to the second linkage assembly, the distance between the spot welding assembly and the special-shaped pipe fitting is adjusted, compatibility of multi-spot welding is improved, the second linkage assembly and the spot welding assembly are driven to move to the end of the driving assembly through the driving assembly, a space is reserved for blanking of the special-shaped pipe fitting after spot welding, the clamping assembly is driven to rotate through the first linkage assembly, the special-shaped pipe fitting on the clamping assembly is driven to move to one side of the driving assembly, and rapid blanking of the special-shaped pipe fitting after spot welding is used for improving efficiency of multi-spot welding of the special-shaped pipe fitting.
2. The material loading groove is formed in the material loading block, the butt joint groove is formed in the fourth linkage block and the fifth linkage block, a round hole which accords with the size of the clamping special-shaped pipe fitting is formed when the fourth linkage block and the fifth linkage block are close to each other, the output end of the third electric push rod pushes the third transverse plate, two groups of clamping plates are made to abut against the outer wall of the special-shaped pipe fitting, and the stability of clamping of the special-shaped pipe fitting is improved.
3. The gear is driven by the fifth motor to rotate so that the outer gear ring connected with the gear is meshed with the outer gear ring, the two groups of guide mounting blocks synchronously rotate on the inner walls of the two groups of guide sliding cavities, the double-shaft telescopic rods at the two ends of each group of guide mounting blocks extend into the locking holes on the corresponding sides of the guide mounting blocks, the guide mounting blocks are locked in the guide sliding cavities, the two groups of spot welding assemblies are in a state of being not separated when being separated from each other, the blanking space of special-shaped pipe fittings with different sizes after welding is effectively adjusted, and collision during blanking of the special-shaped pipe fittings is avoided.
4. The third shell on the guide mounting block synchronously rotates, the annular array is arranged around the special-shaped pipe fitting, the spot welding head is driven by the fifth electric push rod to be close to the outer wall of the special-shaped pipe fitting, and the process of carrying out real-time shooting before and after spot welding on the outer wall of the special-shaped pipe fitting by matching with the high-definition camera is carried out, so that the spot welding accuracy of the special-shaped pipe fitting is improved, the detection effect of the flatness of the joint part can be carried out before spot welding, and the welding quality of the special-shaped pipe fitting is improved.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic structural view of a multipoint head welding device according to an embodiment of the present application;
FIG. 2 shows a schematic structural view of a drive assembly according to an embodiment of the present application;
FIG. 3 shows a schematic structural view of a first linkage assembly according to an embodiment of the present application;
FIG. 4 shows a schematic structural view of a clamping assembly according to an embodiment of the present application;
FIG. 5 is a schematic diagram showing the structure of a secondary clamping mechanism according to an embodiment of the present application;
fig. 6 shows a schematic structural diagram of a loading mechanism according to an embodiment of the present application;
fig. 7 shows a second schematic structural diagram of the loading mechanism according to the embodiment of the present application;
FIG. 8 shows a schematic structural view of a second linkage assembly according to an embodiment of the present application;
FIG. 9 is a schematic view showing the structure of a spot welding assembly according to an embodiment of the present application;
fig. 10 shows a structural cross-sectional view of a welding mechanism according to an embodiment of the present application.
In the figure: 1. a drive assembly; 11. a first housing; 12. a first chute; 13. a first cross plate; 14. a first linkage block; 15. a first electric push rod; 16. a first screw rod; 17. a first motor; 18. a second cross plate; 19. a second chute; 110. a second linkage block; 111. a second screw rod; 112. a second motor; 2. a first linkage assembly; 21. a support column; 22. a second electric push rod; 23. a third motor; 3. a clamping assembly; 31. a second housing; 32. a limiting hole; 33. a secondary clamping mechanism; 331. a third linkage block; 332. a third chute; 333. a third cross plate; 334. a guide slide hole; 335. a linkage arm; 336. a clamping plate; 34. a loading mechanism; 341. a loading block; 342. a loading groove; 343. a fourth linkage block; 344. a fifth linkage block; 345. a fourth chute; 346. a sixth linkage block; 347. a biaxial motor; 348. a third screw rod; 4. a second linkage assembly; 41. a linkage plate; 42. a fifth chute; 43. a fourth motor; 44. a fourth electric push rod; 5. a spot welding assembly; 51. a guide housing; 52. a guide sliding cavity; 53. a gear assembly groove; 54. a fifth motor; 55. a locking hole; 56. a guide mounting block; 57. a welding mechanism; 571. a third housing; 572. high definition camera; 573. a fifth electric push rod; 574. spot welding heads; 58. a double-shaft telescopic rod; 59. an outer ring gear; 510. and a magnetic adsorption end.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the application provides a multipoint head welding device suitable for a special-shaped machined surface, which comprises a driving assembly 1, two groups of first linkage assemblies 2, two groups of clamping assemblies 3, two groups of second linkage assemblies 4 and two groups of spot welding assemblies 5; as illustrated by way of example in fig. 1.
The two groups of first linkage components 2 are in sliding connection with the top of the driving component 1, the two groups of first linkage components 2 are symmetrically arranged by taking the central axis of the driving component 1 as the center, the two groups of clamping components 3 are in rotating connection with two groups of adjacent side walls of the first linkage components 2, the two groups of second linkage components 4 are in sliding connection with the outer wall of the driving component 1, the two groups of second linkage components 4 are symmetrically arranged by taking the central axis of the driving component 1 as the center, and the two groups of adjacent side walls of the second linkage components 4 are movably connected with the two groups of spot welding components 5.
Specifically, the two groups of clamping assemblies 3 are used for fixing special-shaped pipe fittings with different diameters, so that the two special-shaped pipe fittings with different diameters to be spot welded are spliced at the ports, and the two groups of first linkage assemblies 2 are driven by the driving assembly 1 to approach each other, and the ports of the two groups of clamped special-shaped pipe fittings are horizontally butted;
the spot welding assembly 5 is slidably connected to the second linkage assembly 4, and is used for adjusting the distance between the spot welding assembly 5 and the special-shaped pipe fitting, so that the compatibility of multiple spot welding is improved;
the driving assembly 1 drives the second linkage assembly 4 and the spot welding assembly 5 to move to one end of the driving assembly 1, a space is reserved for blanking of the special-shaped pipe fitting after spot welding, the clamping assembly 3 is driven to rotate through the first linkage assembly 2, the special-shaped pipe fitting on the clamping assembly 3 is moved to one side of the driving assembly 1, and the special-shaped pipe fitting is used for fast blanking of the special-shaped pipe fitting after spot welding.
The drive assembly 1 comprises a first housing 11, a first cross plate 13 and a second cross plate 18; as illustrated by way of example in fig. 2.
The first shell 11 is of an open structure, two groups of first sliding grooves 12 are symmetrically formed in the outer wall of the first shell 11, a first linkage block 14 is slidably connected to the top of the first transverse plate 13, the first transverse plate 13 is fixedly connected to the bottom of the first shell 11, two groups of first electric push rods 15 are fixedly connected to the top of the first linkage block 14, the two groups of first electric push rods 15 are symmetrically arranged by taking the central axis of the first linkage block 14 as the center, one side, close to the output end, of the first electric push rods 15 is slidably connected to the inner wall of the first sliding groove 12, a first screw rod 16 is in threaded connection with the first linkage block 14, two ends of the first screw rod 16 are in transmission connection with the output end of a first motor 17, a second sliding groove 19 is formed in the surface of the second transverse plate 18, two groups of second electric push rods 15 are fixedly connected to the top of the first shell 11, two groups of second electric push rods 110 are slidably connected to the second sliding grooves 19, two groups of second electric push rods 110 are in transmission connection with the second screw rods 111, and the second screw rods 111 are in transmission connection with the inner wall of the second screw rod 111.
Specifically, the output end of the first motor 17 drives the first screw rod 16 to rotate, so that the two groups of first linkage blocks 14 are slidably connected to the top of the first transverse plate 13, and are used for driving the two groups of second linkage assemblies 4 to be slidably connected to the outer wall of the first shell 11;
the output ends of the two groups of first electric push rods 15 drive the second linkage assemblies 4 to horizontally move, so that the two groups of second linkage assemblies 4 are far away from each other or close to each other;
the second motor 112 drives the second screw rod 111 to rotate, so that the two groups of second linkage blocks 110 on the second screw rod 111 are far away from each other or close to each other, and the two groups of second linkage blocks 110 for moving drive the first linkage assembly 2 to synchronously move.
The first linkage assembly 2 includes a support column 21; as illustrated by way of example in fig. 3.
The bottom fixed connection of support column 21 is at the top of second linkage 110, the top fixedly connected with second electric putter 22 of support column 21, just the output and the clamping assembly 3 activity joint of second electric putter 22, the outer wall of support column 21 and be close to one side fixedly connected with third motor 23 of spot welding assembly 5, the output and the clamping assembly 3 transmission of third motor 23 are connected.
Specifically, the output end of the third motor 23 drives the clamping assembly 3 to rotate, so that the clamping assembly 3 is switched to a clamping size conforming to the diameter of the special-shaped pipe fitting, and after the spot welding is finished, the special-shaped pipe fitting clamped on the clamping assembly 3 can be moved to a position convenient for blanking by continuous rotation of the output end of the third motor 23;
the output end of the second electric push rod 22 is movably clamped on the clamping assembly 3, and is used for limiting the rotated clamping assembly 3.
The clamping assembly 3 comprises a second shell 31, a secondary clamping mechanism 33 and a loading mechanism 34; as illustrated by way of example in fig. 4.
A plurality of groups of limiting holes 32 are formed in one side wall of the second shell 31, the limiting holes 32 are arranged in an annular array with the central axis of the second shell 31 as the center, the central axis of the second shell 31 is in transmission connection with the output end of the third motor 23, the limiting holes 32 are movably clamped with the output end of the second electric push rod 22 and matched with the output end of the third motor, the inner wall of the second shell 31 is fixedly connected with a plurality of groups of third electric push rods, the third electric push rods are arranged in an annular array with the central axis of the second shell 31 as the center, the secondary clamping mechanism 33 is fixedly connected to the outer wall of the second shell 31, one end of the secondary clamping mechanism 33 is fixedly connected with the carrying mechanism 34, the limiting holes 32, the secondary clamping mechanisms 33, the carrying mechanism 34 and the third electric push rods are the same in number, and the output ends of the third electric push rods are in transmission connection with the secondary clamping mechanism 33.
The secondary clamping mechanism 33 comprises a third linkage block 331; as illustrated by way of example in fig. 5.
One end fixed connection at the outer wall of second casing 31 of third linkage piece 331, third spout 332 has been seted up on the surface of third linkage piece 331, the inner wall sliding connection of third spout 332 has third diaphragm 333, the direction slide hole 334 that communicates each other with third spout 332 has been seted up to the bottom of third linkage piece 331, the inner wall of direction slide hole 334 and the output sliding connection of third electric putter, just the output and the third diaphragm 333 transmission of third electric putter are connected, the top fixedly connected with of third diaphragm 333 is linked with two sets of link arms 335, just the tip of link arm 335 still fixedly connected with grip block 336, two sets of grip block 336 are fan annular structure, and two sets of adjacent lateral wall all sliding connection at the outer wall of loading mechanism 34 of grip block 336.
The loading mechanism 34 comprises a loading block 341; as illustrated in fig. 6 and 7.
The top of the loading block 341 is provided with a loading groove 342, the top of the loading block 341 is slidably connected with a fourth linkage block 343 and a fifth linkage block 344, the fourth linkage block 343 and the fifth linkage block 344 are symmetrically arranged with the central axis of the loading block 341 as a center, one sides of the fourth linkage block 343 and the fifth linkage block 344, which are close to the loading groove 342, are provided with a butt joint groove, two groups of the butt joint grooves and the loading groove 342 are round holes formed by splicing, the top of the loading block 341 is provided with two groups of fourth sliding grooves 345, the inner wall of the fourth sliding groove 345 is slidably connected with a sixth linkage block 346, a double-shaft motor 347 is arranged between two groups of adjacent side walls of the sixth linkage block 346, two groups of output ends of the double-shaft motor 347 are all in transmission connection with a third screw 348, and the two groups of third screw 348 are all in threaded connection with the sixth linkage block 346.
Further, the size of the loading grooves 342 on the loading blocks 341 is different, and the docking grooves of the fourth and fifth linkage blocks 343, 344 on each loading block 341 are matched with the size of the loading groove 342.
Specifically, a loading groove 342 is formed in each group of loading blocks 341, and a butt joint groove is formed in each of the fourth and fifth linkage blocks 343 and 344, so that when the fourth and fifth linkage blocks 343 and 344 are close to each other, a circular hole corresponding to the size of the clamping special-shaped pipe fitting is formed;
the output end of the third electric push rod pushes the third transverse plate 333 to enable the two groups of clamping plates 336 to abut against the outer wall of the special-shaped pipe fitting, so as to improve the clamping stability of the special-shaped pipe fitting;
the double-shaft motor 347 drives the third screw rod 348 to rotate, so that the two groups of sixth linkage blocks 346 are separated from each other and simultaneously drive the fourth linkage block 343 and the fifth linkage block 344 respectively, so that the material loading groove 342 is in an open state, and the function of placing and taking out special-shaped pipe fittings is convenient.
The second linkage assembly 4 includes a linkage plate 41; as illustrated by way of example in fig. 8.
The fifth chute 42 has been seted up on the linkage plate 41 surface, the outer wall of linkage plate 41 just keeps away from the one end of fifth chute 42 and is connected with the output transmission of first electric putter 15, the inner wall sliding connection of fifth chute 42 has fourth motor 43, the embedding is installed fourth electric putter 44 on the linkage plate 41, the output of fourth electric putter 44 extends to in the fifth chute 42, just the output of fourth electric putter 44 is connected with the bottom transmission of fourth motor 43, the output of fourth motor 43 is connected with spot welding subassembly 5 transmission.
Specifically, the output end of the fourth motor 43 drives the spot welding assembly 5 to rotate, which is used for adjusting the spot welding angle of the spot welding assembly 5 and the special-shaped pipe fitting, and the fourth motor 43 is driven by the fourth electric push rod 44 to be slidably connected to the inner wall of the fifth chute 42, which is used for adjusting the spot welding position of the spot welding assembly 5 to the special-shaped pipe fitting with different diameters.
The spot welding assembly 5 includes a guide housing 51 and a welding mechanism 57; as illustrated by way of example in fig. 9.
The inner wall of the guide shell 51 is provided with a guide sliding cavity 52, the guide shell 51 is further provided with a gear assembly groove 53, the gear assembly groove 53 is mutually communicated with the guide sliding cavity 52, a fifth motor 54 is embedded and installed on the outer wall of the guide shell 51, an output end of the fifth motor 54 is connected with a gear in a transmission mode, the gear extends to the inner wall of the gear assembly groove 53, the guide shell 51 is of a fan-shaped structure, locking holes 55 are symmetrically formed in the inner wall of the guide sliding cavity 52 and close to two ends, the inner wall of the guide sliding cavity 52 is rotationally connected with a guide mounting block 56, a welding mechanism 57 is fixedly connected to the inner wall of the guide mounting block 56, the guide mounting block 56 is of a fan shape, an outer gear ring 59 is fixedly connected to the outer wall of the guide mounting block 56, the outer gear ring 59 is in meshed transmission connection with the gear, a double-shaft telescopic rod 58 is embedded and installed at the position, close to the end of the guide mounting block 56, the output ends of the double-shaft telescopic rod 58 are movably clamped in the locking holes 55, and the two ends of the guide mounting block 56 are provided with magnetic adsorption ends 510.
The welding mechanism 57 includes a third housing 571; as illustrated by way of example in fig. 10.
The high-definition camera 572 is fixedly connected to the outer wall of one side of the third housing 571, a transparent protective cover is sleeved on the outer side of the high-definition camera 572, a fifth electric push rod 573 is fixedly connected to the inner wall of the third housing 571, and an output end of the fifth electric push rod 573 penetrates through the third housing 571 and extends to the outside of the third housing 571 to be in transmission connection with the spot welding head 574.
Specifically, the fifth motor 54 drives the gear to rotate so that the outer gear ring 59 engaged with the gear rotates synchronously, which is used for the effect that the two groups of guide mounting blocks 56 rotate synchronously on the inner walls of the two groups of guide sliding cavities 52, and extends to the locking hole 55 on the corresponding side through the double-shaft telescopic rods 58 at the two ends of each group of guide mounting blocks 56, which is used for locking the guide mounting blocks 56 in the guide sliding cavities 52, and is used for the two groups of spot welding assemblies 5 to be in a state that they cannot be separated when they are separated from each other;
the third housings 571 on the two sets of guide mounting blocks 56 rotate synchronously, are used for being annularly arranged around the special-shaped pipe fitting, and drive the spot welding head 574 through the fifth electric push rod 573 to be close to the outer wall of the special-shaped pipe fitting, and cooperate with the high-definition camera 572 to shoot the outer wall of the special-shaped pipe fitting in real time in the process of before-spot welding, during-neutralizing, the spot welding accuracy of the special-shaped pipe fitting is improved, and meanwhile the flatness of the joint can be detected before spot welding.
On the basis of the multi-point welding device suitable for the special-shaped processing surface, the embodiment of the application also provides a control method of the multi-point welding device suitable for the special-shaped processing surface, which comprises the following steps,
fixing two special-shaped pipe fittings to be welded through two groups of clamping assemblies;
the driving assembly drives the two groups of first linkage assemblies to approach each other, so that the two groups of clamping assemblies synchronously move;
the two groups of second linkage assemblies are driven by the driving assembly, so that the two groups of spot welding assemblies are sleeved at the positions of the ports of the two special-shaped pipe fittings;
the welding mechanism is driven to rotate on the inner wall of the guide sliding cavity through the guide mounting blocks, so that the welding mechanism on each group of guide mounting blocks performs multi-point welding on the ports of two special-shaped pipe fittings;
the two groups of spot welding assemblies are driven to be far away from each other by the two groups of second linkage assemblies;
the two groups of second linkage assemblies are driven by the driving assembly, so that the two groups of spot welding assemblies move to one end of the driving assembly;
the two groups of first linkage assemblies drive the welded special-shaped pipe fittings on the two groups of clamping assemblies to rotate to one side of the driving assembly, so that the welded special-shaped pipe fittings are convenient to discharge.
Although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (3)
1. Multi-point head welding set suitable for dysmorphism machined surface, its characterized in that: the two-group spot welding device comprises a driving assembly (1), two groups of first linkage assemblies (2), two groups of clamping assemblies (3), two groups of second linkage assemblies (4) and two groups of spot welding assemblies (5);
the two groups of first linkage assemblies (2) are in sliding connection with the top of the driving assembly (1), the two groups of first linkage assemblies (2) are symmetrically arranged by taking the central axis of the driving assembly (1) as the center, the two groups of clamping assemblies (3) are rotationally connected to adjacent side walls of the two groups of first linkage assemblies (2), the two groups of second linkage assemblies (4) are in sliding connection with the outer wall of the driving assembly (1), the two groups of second linkage assemblies (4) are symmetrically arranged by taking the central axis of the driving assembly (1) as the center, and the adjacent side walls of the two groups of second linkage assemblies (4) are movably connected with the two groups of spot welding assemblies (5);
the spot welding assembly (5) comprises a guide shell (51) and a welding mechanism (57); a guide sliding cavity (52) is formed in the inner wall of the guide shell (51), a guide mounting block (56) is rotatably connected to the inner wall of the guide sliding cavity (52), and the welding mechanism (57) is fixedly connected to the inner wall of the guide mounting block (56);
the novel magnetic sliding device is characterized in that a gear assembly groove (53) is further formed in the guide shell (51), the gear assembly groove (53) is communicated with the guide sliding cavity (52) mutually, a fifth motor (54) is embedded and installed on the outer wall of the guide shell (51), a gear is connected to the output end of the fifth motor (54) in a transmission mode, the gear extends to the inner wall of the gear assembly groove (53), the guide shell (51) is of a fan-shaped annular structure, locking holes (55) are symmetrically formed in the inner wall of the guide sliding cavity (52) and close to the two ends, an outer gear ring (59) is fixedly connected to the outer wall of the guide installation block (56), the outer gear ring (59) is in transmission connection with a gear, a double-shaft telescopic rod (58) is embedded and installed at the position, close to the end, of the guide installation block (56) is movably clamped in the locking holes (55), and magnetic adsorption ends (510) are arranged at the two ends of the guide installation block (56);
the driving assembly (1) comprises a first shell (11), a first transverse plate (13) and a second transverse plate (18); the first shell (11) is of an open structure, two groups of first sliding grooves (12) are symmetrically formed in the outer wall of the first shell (11), a first linkage block (14) is slidably connected to the top of the first transverse plate (13), the first transverse plate (13) is fixedly connected to the bottom of the first shell (11), two groups of first electric push rods (15) are fixedly connected to the top of the first linkage block (14), the two groups of first electric push rods (15) are symmetrically arranged by taking the central axis of the first linkage block (14) as the center, and one side, close to the output end, of each first electric push rod (15) is slidably connected to the inner wall of each first sliding groove (12);
the first linkage block (14) is connected with a first screw rod (16) in a threaded manner, the two ends of the first screw rod (16) are respectively connected with the output end of a first motor (17) in a transmission manner, the surface of a second transverse plate (18) is provided with a second sliding groove (19), the bottom of the second transverse plate (18) is fixedly connected to the top of a first shell (11), two groups of second linkage blocks (110) are connected to the second sliding groove (19) in a sliding manner, the two groups of second linkage blocks (110) are respectively connected with a second screw rod (111) in a threaded manner, the two ends of the second screw rod (111) are respectively connected with the output end of a second motor (112) in a transmission manner, and one sides, far away from the output ends, of the first motor (17) and the second motor (112) are respectively fixedly connected to the inner wall of the first shell (11);
the clamping assembly (3) comprises a second shell (31), a secondary clamping mechanism (33) and a material loading mechanism (34); a plurality of groups of limit holes (32) are formed in one side wall of the second shell (31), the limit holes (32) are arranged in an annular array by taking the central axis of the second shell (31) as the center, the central axis of the second shell (31) is in transmission connection with the output end of the third motor (23), the limit holes (32) are movably clamped with and matched with the output end of the second electric push rod (22), the inner wall of the second shell (31) is fixedly connected with a plurality of groups of third electric push rods, the groups of third electric push rods are arranged in an annular array by taking the central axis of the second shell (31) as the center, the secondary clamping mechanism (33) is fixedly connected to the outer wall of the second shell (31), one end of the secondary clamping mechanism (33) is fixedly connected with the carrying mechanism (34), the limit holes (32), the secondary clamping mechanisms (33), the carrying mechanism (34) and the output ends of the third electric push rods are the same in number, and the output ends of the third electric push rods are all in transmission connection with the secondary clamping mechanism (33);
the secondary clamping mechanism (33) comprises a third linkage block (331); one end of the third linkage block (331) is fixedly connected to the outer wall of the second shell (31), a third chute (332) is formed in the surface of the third linkage block (331), a third transverse plate (333) is slidably connected to the inner wall of the third chute (332), a guide sliding hole (334) which is mutually communicated with the third chute (332) is formed in the bottom of the third linkage block (331), the inner wall of the guide sliding hole (334) is slidably connected with the output end of the third electric push rod, the output end of the third electric push rod is in transmission connection with the third transverse plate (333), two groups of linkage arms (335) are fixedly connected to the top of the third transverse plate (333), two groups of clamping plates (336) are of a fan-shaped structure, and adjacent side walls of the two groups of the clamping plates (336) are slidably connected to the outer wall of the material carrying mechanism (34);
the loading mechanism (34) comprises a loading block (341); the top of the loading block (341) is provided with a loading groove (342), the top of the loading block (341) is connected with a fourth linkage block (343) and a fifth linkage block (344) in a sliding manner, the fourth linkage block (343) and the fifth linkage block (344) are symmetrically arranged by taking the central axis of the loading block (341) as a center, one sides of the fourth linkage block (343) and the fifth linkage block (344) close to the loading groove (342) are provided with butt joint grooves, two groups of butt joint grooves and the loading groove (342) are round holes formed by splicing, the top end of the loading block (341) is provided with two groups of fourth sliding grooves (345), the inner wall of the fourth sliding groove (345) is connected with a sixth linkage block (346) in a sliding manner, two groups of adjacent side walls of the sixth linkage block (346) are provided with double-shaft motors (347), two side output ends of the double-shaft motors (347) are respectively connected with a third screw rod (348), and the two groups of the third screw rods (348) are respectively connected with the sixth linkage block (346) in a threaded manner.
The second linkage assembly (4) comprises a linkage plate (41); a fifth sliding groove (42) is formed in the surface of the linkage plate (41), one end, far away from the fifth sliding groove (42), of the outer wall of the linkage plate (41) is in transmission connection with the output end of the first electric push rod (15), a fourth motor (43) is slidably connected to the inner wall of the fifth sliding groove (42), a fourth electric push rod (44) is embedded and installed on the linkage plate (41), the output end of the fourth electric push rod (44) extends into the fifth sliding groove (42), the output end of the fourth electric push rod (44) is in transmission connection with the bottom of the fourth motor (43), and the output end of the fourth motor (43) is in transmission connection with the spot welding assembly (5);
the welding mechanism (57) includes a third housing (571); one side outer wall fixedly connected with high definition digtal camera (572) of third casing (571), just transparent protection casing has been cup jointed in the outside of high definition digtal camera (572), the inner wall fixedly connected with fifth electric putter (573) of third casing (571), the output of fifth electric putter (573) runs through third casing (571), and extends to the outside of third casing (571) and be connected with spot welding head (574) transmission.
2. A multipoint welding apparatus for profiled machining surfaces according to claim 1, wherein: the first linkage assembly (2) comprises a support column (21); the bottom fixed connection of support column (21) is at the top of second linkage piece (110), the top fixedly connected with second electric putter (22) of support column (21), just the output and the movable joint of clamping assembly (3) of second electric putter (22), the outer wall of support column (21) just is close to one side fixedly connected with third motor (23) of spot welding assembly (5), the output and the transmission of clamping assembly (3) of third motor (23) are connected.
3. A control method implemented by the multipoint welding apparatus for profiled machining surfaces according to any one of claims 1-2, characterized in that: the control method comprises the following steps:
fixing two special-shaped pipe fittings to be welded through two groups of clamping assemblies;
the driving assembly drives the two groups of first linkage assemblies to approach each other, so that the two groups of clamping assemblies synchronously move;
the two groups of second linkage assemblies are driven by the driving assembly, so that the two groups of spot welding assemblies are sleeved at the positions of the ports of the two special-shaped pipe fittings;
the welding mechanism is driven to rotate on the inner wall of the guide sliding cavity through the guide mounting blocks, so that the welding mechanism on each group of guide mounting blocks performs multi-point welding on the ports of two special-shaped pipe fittings;
the two groups of spot welding assemblies are driven to be far away from each other by the two groups of second linkage assemblies;
the two groups of second linkage assemblies are driven by the driving assembly, so that the two groups of spot welding assemblies move to one end of the driving assembly;
the two groups of first linkage assemblies drive the welded special-shaped pipe fittings on the two groups of clamping assemblies to rotate to one side of the driving assembly, so that the welded special-shaped pipe fittings are convenient to discharge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310521967.3A CN116252080B (en) | 2023-05-10 | 2023-05-10 | Multi-point head welding device suitable for special-shaped machined surface and control method thereof |
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| CN202310521967.3A CN116252080B (en) | 2023-05-10 | 2023-05-10 | Multi-point head welding device suitable for special-shaped machined surface and control method thereof |
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