Multi-station welding device

Abstract

The utility model discloses a multi-station welding device. The welding device comprises a positioning unit and a welding unit which are movably connected to a base. The positioning unit comprises a first positioning part, the first positioning part is fixed on the base, and a first power source drives a compression tank in a first positioning structure to rotate; the second power source drives the second positioning part to be slidably connected with the base, and the second positioning structure limits the compression tank; and the welding unit comprises a first adjusting part and a second adjusting part which are used for controlling the displacement of the welding head. The first adjusting part comprises a supporting plate, the front face of the supporting plate is connected with a second adjusting part, a fourth power source is fixed to the back, and a bottom connecting rod penetrates through the bottom of the supporting plate and is hinged to a shaft seat fixed to the side face of the base. The second adjusting part comprises a first adjusting frame and two second adjusting frames connected to the first adjusting frame in a sliding mode, and welding heads are movably connected to the second adjusting frames. According to the scheme, welding of the two ends of the compressor tank can be completed at the same time, automation replaces manual work, and production efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of welding devices, and in particular to a multi-station welding device. Background Art

[0002] Welding an air conditioning compressor is a critical process that determines the compressor's sealing and stability. During the welding process, it's crucial to control the welding temperature and speed. Excessively high temperatures can cause the metal to melt and damage, while excessively low temperatures can weaken the weld joint. Furthermore, slow welding speeds can expand the heat-affected zone, compromising the mechanical properties of the weld.

[0003] In the existing technology, welding is performed manually by welding operators, resulting in unstable welding quality, low efficiency, and difficulty in ensuring quality control.

[0004] China Patent Publication No. CN210334975U, Publication Date June 10, 2019, Patent Name: A Utility Model Patent for a Fully Automatic Air Conditioning Compressor Upper Shell Welding Device, Discloses a Fully Automatic Air Conditioning Compressor Upper Shell Welding Device, including a base, a support column welded to one side of the top of the base, a telescopic rod 2 mounted on the support column, the output shaft of the telescopic rod 2 connected to a cross bar, a lifting mechanism mounted on one side of the bottom of the cross bar, a welding gun mounted on the lifting mechanism, a driving motor fixed to the top of the cross bar, the output shaft of the driving motor passes through the cross bar and is connected to a connecting block, a double-headed telescopic rod is embedded in the connecting block, the output shafts of the double-headed telescopic rods at both ends are connected to an action rod, one end of the action rod extends to the interior of the upper shell fixing cylinder and is connected to a clamping plate, and the other side of the top of the base is rotatably connected to a rotating seat. In the comparative documents, although the device is used to replace manual labor, it can only weld the head and cannot weld both ends at the same time, and the efficiency is still not high.

[0005] Therefore, a welding device is needed that can weld the head and tail of the compressor tank at the same time to improve welding efficiency. Summary of the Invention

[0006] In order to solve the above problems, this solution provides a multi-station welding device.

[0007] To achieve the above-mentioned purpose, the technical solution adopted in this proposal is as follows: a multi-station welding device, comprising a positioning unit and a welding unit movably connected on a base; the positioning unit comprises a first positioning portion, which is fixed to the base, and a first power source drives a compression tank in the first positioning structure to rotate; a second power source drives a second positioning portion to be slidably connected to the base, and the second positioning structure limits the compression tank; the welding unit comprises a first adjustment portion and a second adjustment portion for controlling the displacement of the welding head;

[0008] The first adjustment portion includes a support plate, the front of the support plate is connected to the second adjustment portion, the back of the support plate is fixed with the fourth power source, and the bottom connecting rod passes through the bottom of the support plate and is hinged to the shaft seat fixed to the side of the base;

[0009] The second adjustment part includes a first adjustment frame and two second adjustment frames slidably connected thereto, and the second adjustment frames are movably connected to the welding heads.

[0010] Furthermore, the first positioning portion includes a first bracket, the first bracket limits the first power source and fixes it on the second bracket, and the output end of the first power source is connected to the rotating shaft at the bottom of the first positioning structure through a coupling in the second bracket.

[0011] Furthermore, the first positioning structure includes a groove, the interior of the groove is a contoured structure of the compressor bottom cover, and the outer periphery includes a first opening groove.

[0012] Furthermore, the bottom of the second positioning portion is connected to a slide plate, and the slide plate is slidably connected to a slide rail on the top of the base.

[0013] Furthermore, the second positioning portion includes a second power source fixed on the base, a power end of the second power source is fixed to the back side of the lower end of the third bracket, and the third power source is fixed to the side surface of the upper end of the third bracket.

[0014] Furthermore, the power end of the third power source is connected to a second positioning structure, and the outer periphery of the second positioning structure includes a second open groove.

[0015] Furthermore, the first rotation axis in the middle of the first adjustment frame engages with a slider on the second adjustment frame in the X-axis direction.

[0016] Furthermore, the slider engages with a second rotation axis in the Y-axis direction, and the second rotation axis drives the second adjustment frame to move along the Y-axis on the slider, and the front side of the second adjustment frame fixes the welding head.

[0017] In summary, this solution has the following advantages:

[0018] The combination of the positioning unit and the welding unit provided in this solution can simultaneously complete the welding of both ends of the compressor tank, replacing manual labor with automation, improving production efficiency, ensuring production quality, and at the same time avoiding safety hazards that are prone to occur during manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a multi-station welding device;

[0020] Figure 2 is a schematic diagram of the positioning unit;

[0021] Figure 3is a schematic diagram of a first positioning structure;

[0022] Figure 4 is a schematic diagram of a second positioning structure;

[0023] Figure 5 is a schematic diagram of the first adjustment unit;

[0024] Figure 6 is a schematic diagram of the second adjustment unit.

[0025] in:

[0026] 100, base; 110, slide rail; 120, limit plate; 130, shaft seat;

[0027] 200, positioning unit;

[0028] 210, first positioning portion; 211, first bracket; 212, first power source; 213, second bracket; 214, first positioning structure; 2141, first opening slot;

[0029] 220, second positioning portion; 221, slide plate; 222, second power source; 223, third bracket; 224, third power source; 225, second positioning structure; 2251, second opening slot;

[0030] 300, welding unit;

[0031] 310, first adjustment portion; 311, support plate; 312, connector; 313, fourth power source; 314, connecting rod;

[0032] 320, second adjustment portion; 321, first adjustment frame; 3211, first rotation axis; 3212, first adjustment disk; 3213, first fixing rod; 322, second adjustment frame; 3221, slider; 3222, second rotation axis; 3223, second adjustment disk;

[0033] 330. Welding head; 331. Third turntable. DETAILED DESCRIPTION

[0034] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0035] Example 1:

[0036] A multi-station welding device, as shown in the figure, includes a positioning unit 200 and a welding unit 300 movably connected on a base 100.

[0037] The combination of the positioning unit 200 and the welding unit 300 provided in this solution can simultaneously complete the welding of both ends of the compressor tank body, replacing manual labor with automation, improving production efficiency, ensuring production quality, and at the same time avoiding safety hazards that are prone to occur during manual operation.

[0038] As shown in the figure, the positioning unit 200 has a first positioning portion 210 fixed at one end of the top of the base 100, a slide rail 110 is set at the other end of the top of the base 100, and a second positioning portion 220 is connected to a slide plate 221 and is slidably connected to the slide rail 110.

[0039] The first positioning portion 210 , as shown in the figure, has a first bracket 211 that limits the first power source 212 to be fixed on the second bracket 213 , and an output end of the first power source 212 is connected to the rotating shaft at the bottom of the first positioning structure 214 through a coupling in the second bracket 213 .

[0040] Both ends of the compressor tank body have been pre-installed before being placed in the device. One end of the compressor tank body is inserted into the first positioning structure 214. The structure in the groove of the first positioning structure 214 fits the bottom cover of the compressor tank body and is a contoured structure.

[0041] The outer periphery of the first positioning structure 214 includes a first opening groove 2141, and the first opening groove 2141 is used to place the gas nozzle on the side of the compression tank body.

[0042] In the structural setting of this solution, the first power source 212 can drive the compressor to rotate 360°, but considering that each customer has different welding requirements in actual use, the first power source 212 is a servo motor in this embodiment. The first power source 212 drives the compressor tank to rotate through the rotating shaft, and different rotation angles can be set in the program.

[0043] In addition, the first power source 212 is also used for fine-tuning before welding.

[0044] During the welding process, the first positioning portion 210 is driven by the first power source 212 to serve as an active traction portion, and the second positioning portion 220 is a passive traction portion.

[0045] As shown in the figure, the second positioning part 220, the second power source 222 is fixed on the limiting plate 120 on the side of the base 100, the power end of the second power source 222 is fixed on the back of the lower end of the third bracket 223, and the third power source 224 is fixed on the side of the upper end of the third bracket 223, and the power end of the third power source 224 is connected to the second positioning structure 225.

[0046] Air nozzles are set on the sides of both ends of the compression tank body. The positions of the air nozzles of different models are different. Through the combination of the second power source 222 and the third power source 224, the second positioning device can move forward and backward or axially as needed when docking with the compression tank body.

[0047] The outer periphery of the second positioning structure 225 includes a second opening groove 2251, and the second opening groove 2251 is used to place the gas nozzle on the side of the compression tank body.

[0048] Under the linkage of the second power source 222, the third bracket 223 on the slide plate 221 drives the second positioning structure 225 to move back and forth on the slide rail 110. The second power source 222 is a translation cylinder in this embodiment.

[0049] Under the linkage of the third power source 224, the second positioning structure 225 rotates clockwise or counterclockwise by a specified number of degrees each time until it avoids the air nozzle at the end of the compressor tank body. The third power source 224 is a rotary cylinder in this embodiment.

[0050] Taking into account some uncommon compression tank bodies, after adjustment by the third power source 224 , the air nozzle still does not turn to align with the second opening slot 2251 . At this time, the first power source 212 is started to adjust the compression tank body until the air nozzle is aligned with the second opening slot 2251 .

[0051] Specifically, one end of the compression tank body is fixed in the first positioning device, and the second positioning structure 225 moves toward the compression tank body under the control of the second power source 222 and the third power source 224. If the air nozzle is still not aligned with the second opening groove 2251 after adjustment of the third power source 224, the first power source 212 is fine-tuned until the assembly is completed.

[0052] As shown in the figure, the welding unit 300 includes a first adjusting portion 310 and a second adjusting portion 320 . The second adjusting portion 320 is fixed on the top of the first adjusting portion 310 , and a welding head 330 is movably connected to the top of the second adjusting portion 320 .

[0053] The first adjustment part 310 and the support plate 311 are fixed with a connecting piece 312 on the back, and the other end of the connecting piece 312 is fixed with the power end of the fourth power source 313 . The connecting rod 314 passes through the bottom of the support plate 311 and is hinged to the shaft seat 130 fixed on the side of the base 100 .

[0054] Under the linkage of the fourth power source 313 , the support plate 311 drives the welding head 330 on the second adjustment portion 320 to perform rough adjustment.

[0055] The second adjustment portion 320 includes two second adjustment frames 322 slidably connected to the first adjustment frame 321 , and the second adjustment frames 322 are movably connected to the welding head 330 .

[0056] The first adjustment frame 321 includes a first rotating shaft 3211 in the middle, and the first adjustment disk 3212 of the first rotating shaft 3211 is set on the side of the first adjustment frame 321. The slider 3221 on the second adjustment frame 322 engages with the first rotating shaft 3211 from the X-axis direction. During the rotation of the first rotating shaft 3211, the slider 3221 is driven to slide on the other first fixed rod 3213, which is used to adjust the position of the welding head 330 in the X-axis direction.

[0057] The second adjustment frame 322 also includes a second rotating shaft 3222 that engages with the slider 3221 in the Y-axis direction. The second adjustment disk 3223 of the second rotating shaft 3222 is set on the top of the second adjustment frame 322. The second adjustment disk 3223 rotates to drive the second adjustment frame 322 to move along the Y-axis on the slider 3221, which is used to adjust the position of the welding head 330 in the Y-axis direction.

[0058] The welding head 330 is fixed on the front side of the second adjustment frame 322 . Driven by the third turntable 331 , the first welding head 330 directly rotates in an axial direction.

[0059] Further explanation based on its usage mechanism:

[0060] One end of the compression tank body is fixed in the first positioning device. The second positioning structure 225 moves toward the compression tank body under the control of the second power source 222 and the third power source 224. If the air nozzle is still not aligned with the second opening groove 2251 after adjustment by the third power source 224, the first power source 212 is fine-tuned until assembly is completed.

[0061] Under the linkage of the fourth power source 313, the support plate 311 drives the welding head 330 on the second adjustment part 320 to perform rough adjustment;

[0062] Manually adjust the first adjustment disk 3212 on the first adjustment frame 321 and the second adjustment disk 3223 on the second adjustment frame 322 to determine the X-axis and Y-axis positions of the welding head 330;

[0063] Manually adjust the third adjustment disk 331 connected to the welding head 330 to determine the axial position;

[0064] The first power source 212 can drive the compressor to rotate 360 ​​degrees to complete welding.

[0065] To sum up, the combination of the positioning unit 200 and the welding unit 300 provided in this solution can simultaneously complete the welding of both ends of the compressor tank body, replacing manual labor with automation, improving production efficiency, ensuring production quality, and at the same time avoiding safety hazards that are prone to occur during manual operation.

[0066] The above embodiments are intended only to illustrate the technical concepts and features of this solution. Their purpose is to enable those familiar with the art to understand the content of this solution and implement it accordingly. They are not intended to limit the scope of protection of this solution. Any equivalent transformations or modifications based on the spirit and essence of this solution shall be included in the scope of protection of this solution.

[0067] In the description of this solution, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components.

[0068] For ordinary technicians in this field, the specific meanings of the above terms in this solution can be understood according to specific circumstances.

[0069] It should be understood that the above-mentioned embodiments are merely exemplary and non-restrictive. Without departing from the basic principles of this solution, various obvious or equivalent modifications or substitutions that can be made by technicians in this field to the above details will be included in the scope of protection of this solution.

Claims

1. A multi-station welding device, characterized in that: It comprises a positioning unit (200) and a welding unit (300) movably connected on a base (100); The positioning unit (200) includes a first positioning portion (210), the first positioning portion (210) being fixed on the base (100), a first power source (212) driving the compression tank in the first positioning structure (214) to rotate; a second power source (222) driving the second positioning portion (220) and the base (100) to be slidably connected, and a second positioning structure (225) limiting the compression tank; The welding unit comprises a first adjustment portion (310) and a second adjustment portion (320) for controlling the displacement of the welding head (330); The first adjustment portion (310) includes a support plate (311), the front of the support plate (311) is connected to the second adjustment portion (320), the back of the support plate (311) is fixed with a fourth power source (313), and a bottom connecting rod (314) passes through the bottom of the support plate (311) and is hinged to an axle seat (130) fixed to the side of the base (100); The second adjustment portion (320) comprises a first adjustment frame (321) and two second adjustment frames (322) slidably connected thereto, wherein the second adjustment frames (322) are movably connected to the welding heads (330).

2. The multi-station welding device according to claim 1, characterized in that: The first positioning portion (210) includes a first bracket (211), the first bracket (211) limits the first power source (212) and fixes it on the second bracket (213), and the output end of the first power source (212) is connected to the rotating shaft at the bottom of the first positioning structure (214) through a coupling in the second bracket (213).

3. The multi-station welding device according to claim 2, characterized in that: The first positioning structure (214) comprises a groove, the interior of the groove is a contoured structure of the compressor bottom cover, and the outer periphery comprises a first opening groove (2141).

4. The multi-station welding device according to claim 1, characterized in that: The bottom of the second positioning portion (220) is connected to a slide plate (221), and the slide plate (221) is slidably connected to the slide rail (110) at the top of the base (100).

5. The multi-station welding device according to claim 4, characterized in that: The second positioning portion (220) includes a second power source (222) fixed on the base (100), a power end of the second power source (222) is fixed to the back of the lower end of the third bracket (223), and a third power source (224) is fixed to the side surface of the upper end of the third bracket (223).

6. The multi-station welding device according to claim 5, characterized in that: The power end of the third power source (224) is connected to the second positioning structure (225), and the outer periphery of the second positioning structure (225) includes a second opening groove (2251).

7. The multi-station welding device according to claim 1, characterized in that: The first rotating shaft (3211) in the middle of the first adjusting frame (321) engages with the slider (3221) on the second adjusting frame (322) in the X-axis direction.

8. The multi-station welding device according to claim 7, characterized in that: The slider (3221) engages with the second rotating shaft (3222) in the Y-axis direction, and the second rotating shaft (3222) drives the second adjusting frame (322) to move along the Y-axis on the slider (3221), and the front side of the second adjusting frame (322) fixes the welding head (330).

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