A rotor shaft welding machine

Abstract

The utility model relates to the technical field of motor production, specifically a rotor shaft welding machine, including an operating table, a three-way moving device and a mounting plate are installed on the operating table, a rotatable and adjustable laser welding device is installed on the moving end of the three-way moving device, a rotating component and a positioning component located above the rotating component are installed on the mounting plate, and a positioning cylinder for placing the rotor shaft is installed on the rotating end of the rotating component. The rotor shaft welding machine puts the assembled rotor shaft into the positioning cylinder, and then cooperates with the positioning component to press the rotor shaft in the positioning cylinder, and then the three-way moving device drives the laser welding device to adjust to a suitable position for welding. While welding, the rotating component drives the positioning cylinder to rotate forward and flip, and the pressing end of the positioning component moves with it, so that it can cooperate with the welding rotation to complete the welding operation at the assembly, so that automatic welding can be realized, and production efficiency, welding accuracy and quality can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor production, in particular to a rotor shaft welding machine. Background Art

[0002] The rotor shaft is a shaft in the motor. The rotor is installed on the rotor shaft to rotate along with the rotation of the rotor shaft. The rotation of the rotor generates a magnetic field to realize the power generation of the motor.

[0003] During the production process, the rotor shaft needs to be assembled and welded with other parts. However, at present, the assembly and welding process of the rotor shaft is usually welded by manual experience. The manual method will reduce the production efficiency, increase the requirements for manual welding, and also cause inconsistent welding accuracy and affect the quality. Utility Model Content

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotor shaft welding machine, comprising an operating table, on which a three-way moving device and a mounting plate are installed, the moving end of the three-way moving device is installed with a rotatable and adjustable laser welding device, a rotating assembly and a positioning assembly located above the rotating assembly are installed on the mounting plate, the rotating end of the rotating assembly is installed with a positioning cylinder for placing the rotor shaft, a positioning block is fixed to the bottom of the positioning cylinder, and the positioning cylinder is C-shaped, and a boss is formed on the inner wall near the cylinder mouth, and a slot is opened on the cylinder mouth, the rotating assembly includes a bearing seat fixed on the mounting plate, a shaft rod is fixed on the inner side of the bearing seat, a belt transmission device for driving the shaft rod to rotate is installed on the mounting plate, a rotating block is fixed to the top of the shaft rod, and the top of the rotating block fixes the positioning block by screws.

[0005] Furthermore, a support plate is fixed to the bottom of the mounting plate, the support plate is L-shaped, and a reducer connected to the shaft is installed on the support plate.

[0006] Furthermore, a sensor is installed on the mounting plate, and a sensor sheet located above the sensor is installed on one side of the rotating block.

[0007] Furthermore, the positioning assembly includes a vertical plate fixed on the mounting plate, a clamping cylinder is installed on the vertical plate, a T-shaped pressure plate is fixed to the ejection end of the clamping cylinder, a pressure rod is rotatably connected to the protruding end of the pressure plate, and a pressure block is fixed to the bottom end of the pressure rod.

[0008] Furthermore, a pressure rod may be inserted and connected to the protruding end of the pressure plate, and the outer side of the pressure rod is located above the pressure plate to form a limited block, and a spring is sleeved at the bottom.

[0009] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0010] The rotor shaft welding machine places the assembled rotor shaft into a positioning cylinder, and then cooperates with the positioning component to press the rotor shaft in the positioning cylinder. Then the three-way moving device drives the laser welding device to adjust to a suitable position for welding. During welding, the rotating component drives the positioning cylinder to rotate forward and flip. At this time, the pressing end of the positioning component moves with it, so that it can cooperate with the welding rotation to complete the welding operation at the assembly point. Therefore, it can realize automatic welding and improve production efficiency, welding accuracy and quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 It is a three-dimensional diagram of the mounting plate connection structure in the utility model;

[0013] Figure 3 For this utility model Figure 2 A cross-sectional view of

[0014] Figure 4 It is a product schematic diagram of the utility model.

[0015] In the figure: 1. operating table; 2. three-way moving device; 6. laser welding device; 7. mounting plate; 8. support plate; 9. bearing seat; 10. shaft rod; 11. belt transmission device; 12. rotating block; 13. positioning cylinder; 14. vertical plate; 15. clamping cylinder; 16. pressure plate; 17. pressure rod; 18. pressure block; 19. spring; 20. limit block; 21. sensor; 22. sensor sheet; 23. reducer. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-4 A rotor shaft welding machine in this embodiment includes an operating table 1, on the table top of which a three-way moving device 2 and a mounting plate 7 close to the left side of the three-way moving device 2 are installed, a rotatable and adjustable laser welding device 6 is installed at the moving end of the three-way moving device 2, a rotating component and a positioning component located above the rotating component are installed on the mounting plate 7, and a positioning cylinder 13 for placing the rotor shaft is installed at the rotating end of the rotating component.

[0018] In the above structure, the positioning cylinder can be used to support and limit the specific assembled rotor shaft. When the positioning component is pressed down, the product can be pressed down to improve its firmness. The three-way moving device drives the laser welding device to move. At the same time, the laser welding device adjusts the appropriate angle to align the rotor shaft assembly for welding. During the welding process, the rotating component drives the positioning cylinder to rotate. At this time, the downward pressure end of the positioning component moves with it, so that one cycle of automatic welding can be automatically completed, thereby improving the welding efficiency and welding accuracy.

[0019] The bottom of the positioning cylinder 13 is fixed with a positioning block connected to the rotating end of the rotating assembly, and the positioning cylinder 13 is C-shaped and hollow inside, and a boss is formed on the inner wall near the cylinder mouth, and a notch is opened on the cylinder mouth. The positioning cylinder is C-shaped, which is convenient for moving the rotor shaft through the fork to the inside of the positioning cylinder, and the assembled product is supported and placed by the boss, and then the smoke pipe can be clamped at the notch, so that the exhaust gas generated can be extracted while welding.

[0020] like Figure 2 The rotating assembly includes a bearing seat 9 which is fixed on the mounting plate 7. A shaft 10 extending above and below the bearing seat 9 is fixed on the inner side of the bearing seat 9. A belt transmission device 11 for driving the shaft 10 to rotate is installed on the mounting plate 7. A rotating block 12 is fixed on the top of the shaft 10. The top of the rotating block 12 fixes the positioning block by screws. When welding, the shaft can be driven by the belt transmission device to rotate forward and reverse, and then the rotating block drives the positioning block to rotate, so as to drive the positioning cylinder to rotate, and cooperate with the laser welding device to complete a round of welding operation on the product. At the same time, the rotating block and the positioning block are separated, which can facilitate the disassembly of the positioning cylinder for replacement or maintenance.

[0021] A support plate 8 is fixed at the bottom of the mounting plate 7, the support plate 8 is L-shaped, and a reducer 23 connected to the shaft 10 is installed on the support plate 8. When the shaft rotates, the reducer assists the rotation, reducing its load to protect the mechanical equipment.

[0022] In addition, the mounting plate 7 is provided with a sensor 21 opposite to the bearing seat 9, and the rotating block 12 is provided with a sensor sheet 22 above the sensor 21 on the side opposite to the sensor 21. When the positioning cylinder is rotated by the rotating assembly, the rotating block will also rotate, and when the sensor sheet and the sensor are vertically overlapped, it can be shown that the positioning cylinder rotates one circle, driving the product to rotate one circle to complete the welding operation of the weld, which can effectively avoid the rotation welding from being not in place or exceeding, so that the monitoring of one circle of rotation can be realized.

[0023] The positioning assembly includes a vertical plate 14 fixed on the mounting plate 7 and opposite to the sensor 21, a clamping cylinder 15 is installed on the back of the vertical plate 14, a T-shaped pressing plate 16 is fixed to the ejection end of the clamping cylinder 15, the pressing plate 16 extends to the top of the positioning cylinder 13, the protruding end of the pressing plate 16 is rotatably connected to a pressing rod 17, and a pressing block 18 is fixed to the bottom end of the pressing rod 17. The clamping cylinder drives the pressing plate downward, so the pressing rod drives the pressing block to press the top end of the rotor shaft downward, which can play a role in separating the combined ends of the rotor shaft, and can also fix the rotor shaft in the positioning cylinder to avoid displacement that affects the welding effect.

[0024] At the same time, the protruding end of the pressing plate 16 can also be connected with a pressing rod 17, and the outer side of the pressing rod 17 is located above the pressing plate 16 to form a limit block 20, and the spring 19 is sleeved below. When the pressing rod is in a natural state, the limit block can prevent the pressing rod from separating from the pressing plate, and the spring pushes the pressing rod downward through the pressing block. When the product needs to be tightened, the pressing cylinder drives the pressing plate to be pressed down. At this time, the pressing block contacts the top of the product and squeezes the spring. At the same time, the pressing rod continues to move upward until the product is tightened. Under the elastic force of the spring, the pressing rod will also be pushed downward to improve the compression and buffering effect on the product.

[0025] The working principle of the above embodiment is:

[0026] When it is necessary to weld the assembled rotor shaft, place the rotor shaft along the open end of the positioning cylinder on the boss of the positioning cylinder, and then clamp the smoking pipe in the groove. After the preparation work is completed, the clamping cylinder drives the pressure plate to retreat. At this time, the pressure rod moves down to drive the pressure block to clamp the rotor shaft and fix it on the inner side of the positioning cylinder. Then the laser welding device is driven to the welding position and welding combination through the three-way moving device. While welding, the belt transmission device drives the shaft rod to rotate, and the shaft rod drives the positioning cylinder to rotate through the rotating block, and at the same time drives the rotor shaft to rotate. During the rotation process, the pressure rod will also be located in the pressure plate and move with it, and the induction plate will move with it, so that the laser welding device completes one circle of welding on the rotor shaft until the induction plate coincides with the inductor, stops running, and completes the welding operation.

[0027] Another clamping method is to use a clamping cylinder to drive the pressure plate down, so that the pressure block contacts the product, the pressure rod moves up, and at the same time squeezes the spring to play a buffering role, preventing the product from being damaged by the large downward pressure, and the clamping effect can be improved under the downward push of the spring's elastic force.

[0028] In summary, the combined rotor shaft can be automatically positioned and rotated for one cycle for welding, thereby improving production efficiency and welding quality with consistent precision.

[0029] The entire workflow is completed, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] It should be noted that in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of further restrictions, the elements defined by the statement "comprise one..." do not exclude the presence of other identical elements in the process, method, article or equipment including the elements.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotor shaft welding machine, comprising an operating table (1), characterized in that: The operating table (1) is installed with a three-way moving device (2) and a mounting plate (7). The moving end of the three-way moving device (2) is installed with a rotatably adjustable laser welding device (6). The mounting plate (7) is installed with a rotating assembly and a positioning assembly located above the rotating assembly. The rotating end of the rotating assembly is installed with a positioning cylinder (13) for placing the rotor shaft. A positioning block is fixed to the bottom of the positioning cylinder (13). The positioning cylinder (13) is C-shaped. A boss is formed on the inner wall near the cylinder mouth, and a slot is opened on the cylinder mouth. The rotating assembly includes a bearing seat (9) that is penetrated and fixed on the mounting plate (7). A shaft (10) is fixed on the inner side of the bearing seat (9). A belt transmission device (11) that drives the shaft (10) to rotate is installed on the mounting plate (7). A rotating block (12) is fixed to the top of the shaft (10). The top of the rotating block (12) fixes the positioning block by screws.

2. A rotor shaft welding machine according to claim 1, characterized in that: A support plate (8) is fixed to the bottom of the mounting plate (7), the support plate (8) is L-shaped, and a reducer (23) connected to the shaft (10) is installed on the support plate (8).

3. A rotor shaft welding machine according to claim 1, characterized in that: The mounting plate (7) is provided with a sensor (21), and one side of the rotating block (12) is provided with a sensor sheet (22) located above the sensor (21).

4. A rotor shaft welding machine according to claim 1, characterized in that: The positioning assembly comprises a vertical plate (14) fixed on the mounting plate (7), a pressing cylinder (15) is installed on the vertical plate (14), a T-shaped pressing plate (16) is fixed to the ejection end of the pressing cylinder (15), a pressing rod (17) is rotatably connected to the protruding end of the pressing plate (16), and a pressing block (18) is fixed to the bottom end of the pressing rod (17).

5. A rotor shaft welding machine according to claim 4, characterized in that: The protruding end of the pressure plate (16) may also be provided with a pressure rod (17) through which it is connected. The outer side of the pressure rod (17) is located above the pressure plate (16) to form a limit block (20), and a spring (19) is sleeved below.

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