Double-station welding machine

Abstract

The utility model discloses a double-station welding machine, which relates to the technical field of laser welding equipment and comprises a fixing support, a welding component and a positioning component, the fixing support comprises a welding position, a first feeding position and a second feeding position, and the welding position is positioned between the first feeding position and the second feeding position. The welding assembly is arranged at the welding position and used for welding a workpiece at the welding position, the positioning assembly comprises a first positioning mechanism and a second positioning mechanism, and the first positioning mechanism is slidably connected with the fixing support and can slide between the welding position and the first feeding position in a reciprocating mode. The second positioning mechanism is slidably connected with the fixing support and can slide between the welding position and the second feeding position in a reciprocating mode. The first positioning mechanism and the second positioning mechanism can slide to the welding position in turn for welding, the other positioning mechanism can be fed during welding, and the welding efficiency can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding equipment, and particularly relates to a double-station welding machine. Background Art

[0002] A laser welding machine, also often called a laser welder or a laser beam welder, is a machine that uses laser to process materials. It is divided into laser die welding machines, automatic laser welding machines, laser spot welding machines, and fiber-optic transmission laser welding machines according to its working mode. Laser welding uses high-energy laser pulses to locally heat materials in a small area. The energy of the laser radiation diffuses into the interior of the materials through heat conduction, melting the materials to form a specific molten pool to achieve the purpose of welding.

[0003] The prior art with the publication number CN209936113U discloses a laser welding machine, which includes a frame, a Z-direction movement component, an X-direction movement slider, a Y-direction movement workbench, and a laser head. Z-direction slide rails are arranged on the upper parts of the two columns of the frame, and the Z-direction movement component is slidably connected to the Z-direction slide rails and makes vertical reciprocating movements along the Z-direction slide rails. A Y-direction slide rail is arranged on the bottom base of the frame, and the Y-direction movement workbench is slidably connected to the Y-direction slide rail and makes longitudinal linear reciprocating movements along the Y-direction slide rail. An X-direction slide rail is arranged on the cross beam of the Z-direction movement component, and the X-direction movement slider is slidably connected to the X-direction slide rail and makes transverse linear reciprocating movements along the X-direction slide rail. A laser head is arranged at the front end of the X-direction movement slider, and a plurality of pressing plates and positioning blocks for clamping the to-be-welded broken belt are arranged on the Y-direction movement workbench. This laser welding machine can efficiently and high-quality complete the broken belt welding work of optical cable belts and stainless steel belts.

[0004] However, this existing laser welding machine still has defects. For example, it has only one workbench, and can only start welding after the workpiece on the workbench is welded, then loading the next workpiece and positioning it. The welding efficiency is low. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the above technical deficiencies, propose a double-station welding machine, and solve the technical problem that the existing laser welding machine has only one workbench and can only start welding after the workpiece on the workbench is welded, then loading the next workpiece and positioning it, resulting in low welding efficiency.

[0006] To achieve the above technical purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a double-station welding machine, including:

[0008] A fixed bracket, including a welding position, a first loading position, and a second loading position, wherein the welding position is located between the first loading position and the second loading position;

[0009] A welding assembly, which is arranged at the welding position and used for welding the workpiece at the welding position; and

[0010] A positioning assembly, including a first positioning mechanism and a second positioning mechanism. The first positioning mechanism is slidably connected to the fixed bracket and can reciprocate between the welding position and the first loading position; the second positioning mechanism is slidably connected to the fixed bracket and can reciprocate between the welding position and the second loading position.

[0011] In some embodiments, the structures of the first positioning mechanism and the second positioning mechanism are the same. The first positioning mechanism includes a sliding plate and a plurality of positioning units arranged on the sliding plate. The sliding plate is slidably connected to the fixed bracket, and the plurality of positioning units are arranged in a circle. The positioning units are used for positioning the workpiece to be welded.

[0012] In some embodiments, the positioning unit includes a positioning table and a positioning member. The positioning table is provided with a weld seam. The positioning member includes a connected plate body and a convex strip. A positioning groove for positioning the workpiece is formed between the convex strip and the plate body, and the convex strip is located above the weld seam.

[0013] In some embodiments, the positioning unit further includes a sliding cylinder and a sliding block connected in a sliding manner. The positioning member is arranged on the sliding block, and the sliding cylinder can drive the sliding block to reciprocate, so as to drive the positioning member to extend into or withdraw from the weld seam.

[0014] In some embodiments, the positioning members are arranged on both opposite sides of the positioning table, and the convex strips of the two positioning members are located on the same straight line.

[0015] In some embodiments, the first positioning mechanism further includes a driving motor. The fixed bracket has a slide rail and a rack. The sliding plate is slidably connected to the slide rail. The driving motor includes a driving gear and meshes with the rack through the driving gear. When the driving motor drives the driving gear to rotate, it can drive the sliding plate to reciprocate along the slide rail between the welding position and the first loading position through meshing with the rack.

[0016] In some embodiments, both sides of the fixed bracket have the slide rail and the rack. There are two driving motors. The two driving motors are arranged on both sides of the sliding plate. The sliding plate is simultaneously slidably connected to the two slide rails, and the driving gears of the two driving motors respectively mesh with the two racks.

[0017] In some embodiments, the first positioning mechanism further includes a first exhaust pipe disposed on the sliding plate. The fixed bracket has a second exhaust pipe and a smoking machine connected thereto. When the sliding plate slides to the welding position, the first exhaust pipe is connected to the second exhaust pipe.

[0018] In some embodiments, the first exhaust pipe is disposed inside the plurality of positioning units, and a plurality of inlets are provided on the peripheral side of the first exhaust pipe.

[0019] In some embodiments, the fixed bracket further has a lifting cylinder and a lifting pipe. The lifting pipe is slidably connected to the second exhaust pipe. The lifting cylinder is connected to the lifting pipe and is used to drive the lifting pipe to lift and lower, so that the lifting pipe communicates with the first exhaust pipe.

[0020] Compared with the prior art, the double-station welding machine provided by the present utility model includes a welding assembly disposed at the welding position of the fixed bracket. The welding assembly can weld the workpiece at the welding position. Both the first positioning mechanism and the second positioning mechanism are slidably disposed on the fixed bracket and can fix the workpiece to be welded. During the working process, the first positioning mechanism can be loaded with materials and the workpiece can be fixed. Then, the first positioning mechanism is slid to the welding position for welding. During the welding of the workpiece on the first positioning mechanism, the second positioning mechanism can be loaded with materials and the workpiece can be fixed. After the workpiece on the first positioning mechanism is welded, the second positioning mechanism can be immediately slid to the welding position to weld the next workpiece immediately. By circulating in this way, the welding efficiency can be greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural view of a double-station welding machine provided by an embodiment of the present utility model from one perspective;

[0022] Figure 2 is a schematic structural view of the double-station welding machine provided by an embodiment of the present utility model from another perspective;

[0023] Figure 3 is Figure 2 an enlarged schematic view of part A in

[0024] Figure 4 is a schematic structural view of the first positioning mechanism provided by an embodiment of the present utility model;

[0025] Figure 5 is a schematic structural view of the positioning unit provided by an embodiment of the present utility model;

[0026] Figure 6 is a schematic structural view of the positioning member provided by an embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] In order to solve the technical problem of low welding efficiency in that the laser welding machine in the prior art has only one workbench and the next workpiece can only be loaded and positioned after the workpiece on the workbench is welded, the utility model provides a double-station welding machine which can realize simultaneous welding and loading, thereby greatly improving the welding efficiency.

[0029] See also Figure 1 , Figure 1 The schematic diagram of the structure of a double-station welding machine in an embodiment of the utility model is shown in FIG. The double-station welding machine 100 includes a fixed bracket 1, a welding assembly 2 and a positioning assembly 3. The fixed bracket 1 includes a welding position, a first loading position and a second loading position. The welding position is located between the first loading position and the second loading position. The welding assembly 2 is arranged at the welding position and is used to weld the workpiece at the welding position. The positioning assembly 3 includes a first positioning mechanism 31 and a second positioning mechanism 32. The first positioning mechanism 31 is slidably connected to the fixed bracket 1 and can reciprocate between the welding position and the first loading position. The second positioning mechanism is slidably connected to the fixed bracket and can reciprocate between the welding position and the second loading position. When the first positioning mechanism 31 is located at the first loading position, the staff can load the first positioning mechanism 31 and fix the pre-welded workpiece; when the first positioning mechanism 31 is located at the welding position, the welding assembly 2 can weld the workpiece on the first positioning mechanism 31. After the welding is completed, the first positioning mechanism can be slid to the first loading position again to unload the welded workpiece and then load the pre-welded workpiece. The working process of the second positioning mechanism 32 is consistent with the working process of the first positioning mechanism 31. Therefore, when the first positioning mechanism 31 is in the process of welding, the second positioning mechanism 32 can be loaded with materials. After the first positioning mechanism 31 completes welding, the second positioning mechanism 32 can be immediately slid to the welding position to weld the next workpiece. After the workpiece of the second positioning mechanism 32 is welded, the next workpiece of the first positioning mechanism 31 is moved to the welding position for welding. This is carried out in an alternating cycle, sliding to the welding position for welding in turn, with basically no window period, which can greatly improve the welding efficiency.

[0030] In one embodiment, see Figure 1 and Figure 4, the structures of the first positioning mechanism 31 and the second positioning mechanism 32 are the same. Only the specific structure of the first positioning mechanism 31 will be described below, and the specific structure of the second positioning mechanism 32 refers to that of the first positioning mechanism 31. The first positioning mechanism 31 includes a sliding plate 311 and a plurality of positioning units 312 provided on the sliding plate 311. The sliding plate 311 is slidably connected to the fixed bracket 1. The plurality of positioning units 312 are arranged in a circle. The positioning units 312 are used to position the workpieces to be pre-welded so that the workpieces can be welded stably. In this embodiment, the plurality of positioning units 312 are arranged in a circle, which can position a plurality of workpieces. After the plurality of workpieces are positioned, they can form a ring. After the plurality of workpieces are welded end to end, they can form a ring-shaped component. Therefore, the plurality of positioning units 312 can selectively set the installation positions according to the shape of the component to be processed.

[0031] In one embodiment, please refer to Figure 5 , the positioning unit 312 includes a positioning table 313 and a positioning member 314. The positioning table 313 is provided with a weld seam 315. The weld seam 315 is used to fill the welding wire so that the welding wire can connect two workpieces after welding. The positioning member 314 includes a connected plate body 316 and a rib 317. A positioning groove for positioning the workpiece is formed between the rib 317 and the plate body 316. The rib 317 is located above the weld seam 315. In this embodiment, the rib 317 and the plate body 316 are connected to form a T-shaped component. The rib 317 and the plate body 316 form two positioning grooves on both sides of the rib 317, which can be used to position two workpieces.

[0032] In one embodiment, please refer to Figure 6 , the positioning unit 312 further includes a sliding cylinder 318 and a sliding block 319 that are slidably connected. The positioning member 314 is provided on the sliding block 319. The sliding cylinder 318 can drive the sliding block 319 to slide back and forth to drive the positioning member 314 to extend into or withdraw from the weld seam 315. When the workpiece needs to be positioned, the sliding cylinder 318 can be controlled to drive the sliding block 319 to slide towards the weld seam 315 so that the sliding block 319 drives the positioning member 314 to extend above the weld seam 315. When the workpiece is welded, the positioning member 314 can be controlled to withdraw from the weld seam 315 to facilitate the removal of the welded workpiece.

[0033] In one embodiment, please refer to Figure 5 , positioning members 314 are provided on both opposite sides of the positioning table 313. The ribs 317 of the two positioning members 314 are located on the same straight line so that the edges of the two workpieces can be in a parallel state after abutting against the ribs 317. The welding wire can also be evenly placed on the two workpieces when filling the weld seam 315, and the two workpieces can maintain good connection strength after welding.

[0034] In one embodiment, please refer to Figure 4 , the first positioning mechanism 31 further includes a driving motor 320. The fixing bracket 1 has a slide rail 11 and a rack 12. The slide plate 311 is slidably connected to the slide rail 11. The driving motor 320 includes a driving gear 321 and meshes with the rack 12 through the driving gear 321. When the driving motor 320 drives the driving gear 321 to rotate, it can drive the slide plate 311 to reciprocate along the slide rail 11 between the welding position and the first loading position by meshing with the rack 12. In this embodiment, when the driving motor 320 drives the slide plate 311 to slide, the driving motor 320 also slides together with the slide plate 311. Compared with the conventional embodiment in which the slide plate 311 is driven by a lead screw, this embodiment can effectively reduce the occupied length space.

[0035] In one embodiment, please refer to Figure 2 , both sides of the fixing bracket 1 have a slide rail 11 and a rack 12. There are two driving motors 320. The two driving motors 320 are arranged on both sides of the slide plate 311. The slide plate 311 is slidably connected to the two slide rails 11 at the same time. The driving gears 321 of the two driving motors 320 respectively mesh with the two racks 12. In this embodiment, the slide plate 311 is arranged to slide on the two slide rails 11, and the slide plate 311 can slide reciprocally more stably. In addition, by the simultaneous operation of the two driving motors 320, a stronger driving force can be provided for the slide plate 311, which is beneficial to improving the work efficiency.

[0036] In one embodiment, please refer to Figure 2 , the first positioning mechanism 31 further includes a first exhaust pipe 322 arranged on the slide plate 311. The fixing bracket 1 has a connected second exhaust pipe 13 and a smoke extractor (not shown in the figure). When the slide plate 311 slides to the welding position, the first exhaust pipe 322 is connected to the second exhaust pipe 13. In this embodiment, the workpiece generates dust during the welding process. After the first exhaust pipe 322 is connected to the second exhaust pipe 13, the smoke extractor can suck the dust near the slide plate 311 through the second exhaust pipe 13 and the first exhaust pipe 322 in sequence to avoid dust pollution of the air.

[0037] Furthermore, please refer to Figure 4 , the first exhaust pipe 322 is arranged inside the plurality of positioning units 312, and a plurality of inlets are arranged on the circumferential side of the first exhaust pipe 322. When the smoke extractor is working, it can simultaneously drive a plurality of inlets to form a negative pressure and suck the dust on the circumferential side of the first exhaust pipe 322 at the same time to further improve the dust collection efficiency.

[0038] In one embodiment, please refer to Figure 3, the fixed bracket 1 further includes a lifting cylinder 14 and a lifting pipe 15. The lifting pipe 15 is slidably connected to the second exhaust pipe 13. The lifting cylinder 14 is connected to the lifting pipe 15 and is used to drive the lifting pipe 15 to lift and lower, so that the lifting pipe 15 communicates with the first exhaust pipe 322. In this embodiment, when the slide plate 311 slides to the welding position, the lifting cylinder 14 can be controlled to drive the lifting pipe 15 to rise, so that the lifting pipe 15 abuts against the first exhaust pipe 322 on the slide plate 311. Under the action of the range hood, the welding fumes generated on the slide plate 311 can sequentially pass through the first exhaust pipe 322, the lifting pipe 15 and the second exhaust pipe 13 to recover the fumes. When the fumes do not need to be absorbed, the lifting pipe 15 can be controlled to descend to reduce the occupied space.

[0039] In one embodiment, please refer to Figure 1 , the welding assembly 2 includes a welding head and a corresponding moving mechanism. The welding head is arranged on the moving mechanism. The moving mechanism is slidably connected to the fixed bracket 1 and can reciprocate relative to the fixed bracket 1 to adjust the position of the welding head.

[0040] The specific embodiments of the present invention described above do not constitute a limitation to the protection scope of the present invention. Any other corresponding changes and deformations made according to the technical concept of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A double-station welding machine, characterized in that, Comprising: A fixed bracket, formed with a first loading position, a welding position, and a second loading position arranged in sequence; A welding assembly, arranged at the welding position and used for welding the workpiece at the welding position; and A positioning assembly, including a first positioning mechanism and a second positioning mechanism. The first positioning mechanism is slidably connected to the fixed bracket and can reciprocally slide between the welding position and the first loading position; The second positioning mechanism is slidably connected to the fixed bracket and can reciprocally slide between the welding position and the second loading position; The structures of the first positioning mechanism and the second positioning mechanism are the same. The first positioning mechanism includes a sliding plate and a plurality of positioning units arranged on the sliding plate. The sliding plate is slidably connected to the fixed bracket, and the plurality of positioning units are arranged in a circle. The positioning units are used for positioning the workpiece to be welded; The positioning unit includes a positioning table and a positioning member. The positioning table is provided with a weld seam. The positioning member includes a connected plate body and a rib. A positioning groove for positioning the workpiece is formed between the rib and the plate body. The rib is located above the weld seam.

2. The double-station welding machine according to claim 1, wherein The positioning unit further includes a sliding cylinder and a sliding block connected in a sliding manner. The positioning member is arranged on the sliding block, and the sliding cylinder can drive the sliding block to reciprocally slide to drive the positioning member to extend into or withdraw from the weld seam.

3. The double-station welding machine according to claim 1, wherein, The positioning members are arranged on both opposite sides of the positioning table, and the ribs of the two positioning members are located on the same straight line.

4. The double-station welding machine according to claim 1, characterized in that, The first positioning mechanism further includes a driving motor. The fixed bracket has a slide rail and a rack. The sliding plate is slidably connected to the slide rail. The driving motor includes a driving gear and meshes with the rack through the driving gear. When the driving motor drives the driving gear to rotate, it can drive the sliding plate to reciprocally slide along the slide rail between the welding position and the first loading position through meshing with the rack.

5. The double-station welding machine according to claim 4, wherein, Both sides of the fixed bracket have the slide rail and the rack. There are two driving motors. The two driving motors are arranged on both sides of the sliding plate. The sliding plate is simultaneously slidably connected to the two slide rails, and the driving gears of the two driving motors respectively mesh with the two racks.

6. The double-station welding machine according to claim 1, characterized in that, The first positioning mechanism further includes a first exhaust pipe arranged on the sliding plate. The fixed bracket has a connected second exhaust pipe and a smoke extractor. When the sliding plate slides to the welding position, the first exhaust pipe is connected to the second exhaust pipe.

7. The double-station welding machine according to claim 6, wherein, The first exhaust pipe is arranged inside the plurality of positioning units, and a plurality of inlets are arranged on the periphery of the first exhaust pipe.

8. The double-station welding machine according to claim 6, characterized in that, The fixed bracket further has a lifting cylinder and a lifting pipe. The lifting pipe is slidably connected to the second exhaust pipe. The lifting cylinder is connected to the lifting pipe and used for driving the lifting pipe to lift and lower so that the lifting pipe communicates with the first exhaust pipe.

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