Resistance welding automatic electrode cap changing mechanism

Abstract

The utility model provides a kind of resistance welding automatic replacement electrode cap mechanism, it is related to resistance welding field, including base, the surface of the base is fixedly connected with support arm, the side of the support arm is rotatably connected with mounting bracket;Through servo motor control screw post rotation, and the cap shell is loosened, while clamping rod moves to outside, and old cap shell falls off after tightener loosens, and travel mechanism slides to suitable position on the surface of slide rail, and clamping rod is tightened again, so that mounting post surface engages cap shell, adjust the position of travel mechanism and clamping rod, so that the new cap shell is tightened by tightener, it is convenient for device to automatically replace cap shell, by placing multiple cap shells inside storage tank, and the baffle of storage tank front side has the limiting effect to cap shell, it is convenient for cap shell to stably slide in storage tank, and the installation position of sensor, it is convenient for sensor to detect the quantity and position of cap shell, remind worker to supplement cap shell to be used, improve the adaptability of device.

Description

Technical Field

[0001] This utility model relates to the field of resistance welding, and in particular to an automatic electrode cap replacement mechanism for resistance welding. Background Technology

[0002] An electrode cap is a welding electrode used in resistance welding equipment. It is usually fitted onto the electrode rod, hence the name electrode cap. It plays a crucial role in the welding process, directly affecting the welding quality and efficiency. Sometimes, it is necessary to replace the electrode cap during resistance welding. However, resistance welding equipment poses certain dangers, necessitating the use of an automatic electrode cap replacement mechanism.

[0003] In the prior art, such as the servo welding gun with easy and quick electrode cap replacement disclosed in Chinese Publication No. CN216680643U, there is a base and an electrode cap body. The lower surface of the base is also fixedly connected to an annular mounting seat. The inner ring of the mounting seat has an annular connecting groove. The lower surface of the mounting seat has evenly distributed mating grooves that lead to the connecting groove. One side of the mating groove has a sliding groove that leads to the connecting groove. The upper part of the outer wall of the electrode cap body is fixedly connected to a fixing plate corresponding to the mating groove. The lower surface of the fixing plate is fixedly connected to a fixing screw corresponding to the sliding groove. A fixing nut is engaged on the fixing screw. The beneficial effect of this utility model is that when installing the electrode cap body, the fixing plate is aligned with the mating groove, and then the electrode cap body is rotated so that the fixing screw enters the sliding groove. Then, the fixing nut is screwed on the fixing screw to achieve the fixed installation of the electrode cap body. The electrode cap body installed in this way is secure and subsequent replacement is very convenient.

[0004] The aforementioned application achieves a secure installation and convenient replacement through multiple components. However, the device has drawbacks such as potential safety hazards and low work efficiency when users manually replace the electrode caps, which reduces the overall convenience and timeliness to some extent. Utility Model Content

[0005] This invention facilitates automatic replacement of the cap shell and enables sensors to detect the quantity and position of the cap shell, thereby solving the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: an automatic electrode cap replacement mechanism for resistance welding, comprising a base, a support arm fixedly connected to the surface of the base, a mounting bracket rotatably connected to one side of the support arm, a threaded column rotatably connected to the inner side of the mounting bracket, a clamping rod threadedly fitted onto the surface of the threaded column, an installation column fixedly connected to the inner side of the clamping rod, a cap shell threadedly fitted onto the surface of the installation column, a slide rail fixedly connected to the surface of the base, a traveling mechanism slidably connected to the surface of the slide rail, a rotating seat fixedly connected to the top of the traveling mechanism, a base plate rotatably connected to the top of the rotating seat, and a storage slot and a tightening device fixedly connected to the surface of the base plate. When using the device, the position of the mounting bracket is adjusted by the support arm, the position and distance of the clamping rod are adjusted by controlling the rotation direction of the threaded column, and the installation and removal of the cap shell are adjusted by controlling the rotation direction of the tightening device, thereby improving the automatic replacement efficiency of the device.

[0007] Preferably, the threads on the surface of the threaded column are symmetrically distributed with the vertical center line of the threaded column as the midpoint. When using the device, the thread distribution on the surface of the threaded column is designed so that when the threaded column rotates, the clamping rod moves inward or outward at the same time, which makes it easier for the clamping rod and the cap to clamp caps of different sizes in the center, thus improving the adaptability of the device.

[0008] Preferably, a sliding column is fixedly connected to the inner side of the mounting bracket. The surface of the sliding column is slidably connected to the inside of the clamping rod. When using the device, the sliding column provides a limiting effect on the clamping rod, thereby improving the stability of the clamping rod during movement.

[0009] Preferably, a baffle is fixedly connected to the front side of the storage slot, and a cap is engaged and installed on the inner side of the storage slot. When using the device, the structure design of the cap being engaged and installed on the inner side of the storage slot facilitates the storage of multiple caps and makes it easy for the device to take out and replace the caps, thus improving the adaptability of the device.

[0010] Preferably, a sensor is fixedly embedded in the inner side of the storage slot, and an alarm is fixedly connected to the rear side of the storage slot. When using the device, the installation structure design of the sensor and alarm facilitates the monitoring of the cap inside the device, thereby improving the stability of the device during operation.

[0011] Preferably, the number of clamping rods is set to two, and the clamping rods are distributed near the inner side of the mounting frame. When using the device, the design of the number and position distribution of the clamping rods makes it easy for the clamping rods to clamp both sides of the item to be welded.

[0012] Preferably, a servo motor is fixedly connected to the outer side of the mounting bracket, and the output end of the servo motor is fixedly connected to one end of the threaded column. When using the device, the connection between the servo motor and the threaded column on the outer side of the mounting bracket facilitates the control of the rotation direction of the threaded column by the servo motor.

[0013] Preferably, one side of the cap shell is slidably connected to the inner wall of the baffle, and the bottom of the baffle is flush with the top of the cap shell below the storage slot. When using the device, the connection method between the cap shell and the baffle, as well as the height design of the baffle, facilitates the baffle to limit the cap shell and improves the stability of the cap shell when sliding.

[0014] Preferably, the installation position of the sensor corresponds to the installation position of one of the caps in the storage tank. When using the device, the structural design of the sensor and the cap installation position corresponding to each other makes it easy for the sensor to detect the number and position of the caps, reminding the worker to replenish the caps to be used, thus improving the adaptability of the device.

[0015] Preferably, the sensor and the alarm are electrically connected by a wire, and the tightening device and the alarm are electrically connected to the driving mechanism by a wire of appropriate length. When using the device, the connection method between the sensor and the alarm and the driving mechanism facilitates the operation of the device within a suitable range.

[0016] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, the threaded column is controlled to rotate by a servo motor. The tightener rotates to loosen the cap, and at the same time, the clamping rod moves outward. After the tightener is loosened, the old cap falls off. The traveling mechanism slides on the surface of the slide rail to a suitable position. The clamping rod tightens again to make the surface of the mounting column lock the cap. The position of the traveling mechanism and the clamping rod are adjusted so that the tightener tightens the new cap, which facilitates the automatic replacement of the cap by the device.

[0017] 2. In this utility model, by placing multiple cap shells inside the storage slot, and the baffle on the front side of the storage slot limiting the cap shells, it is easy for the cap shells to slide stably in the storage slot. Furthermore, the installation position of the sensor facilitates the sensor to detect the number and position of the cap shells, reminding the worker to replenish the cap shells to be used, thereby improving the adaptability of the device. Attached Figure Description

[0018] Figure 1 This utility model provides a perspective view of the main structure of an automatic electrode cap replacement mechanism for resistance welding. Figure 2 An enlarged perspective view of the cap shell connection structure in an automatic electrode cap replacement mechanism for resistance welding is provided for this utility model. Figure 3An enlarged perspective view of the structure of the storage slot connected in the automatic electrode cap replacement mechanism for resistance welding is provided for this utility model. Figure 4 An enlarged perspective view of the mounting frame connection structure in an automatic electrode cap replacement mechanism for resistance welding is provided for this utility model. Figure 5 An enlarged perspective view of the clamping rod connection structure in an automatic electrode cap replacement mechanism for resistance welding is provided for this utility model. Figure 6 This utility model provides a top view enlarged view of the automatic electrode cap replacement mechanism for resistance welding.

[0019] Legend: 1. Base; 2. Support arm; 3. Mounting bracket; 4. Threaded column; 5. Clamping rod; 6. Mounting column; 7. Cap; 8. Sliding column; 9. Slide rail; 10. Traveling mechanism; 11. Rotating seat; 12. Base plate; 13. Storage slot; 14. Baffle; 15. Sensor; 16. Alarm; 17. Tightening device; 18. Servo motor. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Please see Figures 1-6 This utility model provides a technical solution: an automatic electrode cap replacement mechanism for resistance welding, including a base 1, a support arm 2 fixedly connected to the surface of the base 1, a mounting bracket 3 rotatably connected to one side of the support arm 2, a threaded post 4 rotatably connected to the inner side of the mounting bracket 3, a clamping rod 5 threadedly fitted to the surface of the threaded post 4, a mounting post 6 fixedly connected to the inner side of the clamping rod 5, a cap shell 7 threadedly fitted to the surface of the mounting post 6, a slide rail 9 fixedly connected to the surface of the slide rail 9, a traveling mechanism 10 slidably connected to the surface of the traveling mechanism 10, a rotating seat 11 fixedly connected to the top of the rotating seat 11, a base plate 12 rotatably connected to the top of the base plate 12, a storage slot 13 and a tightening device 17 fixedly connected to the surface of the base plate 12. When using the device, the position of the mounting bracket 3 is adjusted by the support arm 2, the position and distance of the clamping rod 5 are adjusted by controlling the rotation direction of the threaded post 4, and the installation and removal of the cap shell 7 are adjusted by controlling the rotation direction of the tightening device 17, thereby improving the automatic replacement efficiency of the device.

[0023] like Figure 5 As shown, the threads on the surface of the threaded column 4 are symmetrically distributed with the vertical center line of the threaded column 4 as the midpoint. When using the device, the thread distribution on the surface of the threaded column 4 is designed so that when the threaded column 4 rotates, the clamping rod 5 moves inward or outward at the same time, which makes it easier for the clamping rod 5 and the cap 7 to clamp caps 7 of different sizes in the center, thus improving the adaptability of the device.

[0024] like Figure 5 As shown, a sliding column 8 is fixedly connected to the inner side of the mounting bracket 3. The surface of the sliding column 8 is slidably connected to the inside of the clamping rod 5. When using the device, the sliding column 8 has a limiting effect on the clamping rod 5 due to the slidable connection between the surface of the sliding column 8 and the inside of the clamping rod 5, which improves the stability of the clamping rod 5 during movement.

[0025] like Figure 3 As shown, a baffle 14 is fixedly connected to the front side of the storage slot 13, and a cap 7 is engaged and installed on the inner side of the storage slot 13. When using the device, the structure design of the cap 7 being engaged and installed on the inner side of the storage slot 13 makes it easy for the device to store multiple caps 7, and makes it easy for the device to take out and replace the caps 7, thus improving the adaptability of the device.

[0026] like Figure 3 As shown, a sensor 15 is fixedly embedded in the inner side of the storage slot 13, and an alarm 16 is fixedly connected to the rear side of the storage slot 13. When using the device, the installation structure design of the sensor 15 and the alarm 16 facilitates the monitoring of the cap 7 inside the device, thereby improving the stability of the device during operation.

[0027] like Figure 5 As shown, the number of clamping rods 5 is set to two. The clamping rods 5 are distributed near the inner side of the mounting frame 3. When using the device, the design of the number and position distribution of the clamping rods 5 makes it easy for the clamping rods 5 to clamp both sides of the item to be welded.

[0028] like Figure 4 As shown, a servo motor 18 is fixedly connected to the outside of the mounting bracket 3. The output end of the servo motor 18 is fixedly connected to one end of the threaded column 4. When using the device, the connection between the servo motor 18 and the threaded column 4 on the outside of the mounting bracket 3 makes it easy to control the rotation direction of the threaded column 4 through the servo motor 18.

[0029] like Figure 2 and Figure 3 As shown, one side of the cap shell 7 is slidably connected to the inner wall of the baffle 14. The bottom of the baffle 14 is flush with the top of the cap shell 7 in the lower part of the storage groove 13. When using the device, the connection method between the cap shell 7 and the baffle 14, as well as the height design of the baffle 14, facilitate the baffle 14 to limit the cap shell 7 and improve the stability of the cap shell 7 when sliding.

[0030] like Figure 3 As shown, the installation position of sensor 15 corresponds to the installation position of one of the caps 7 in the storage tank 13. When using the device, the structural design of the installation positions of sensor 15 and caps 7 makes it easy for sensor 15 to detect the number and position of caps 7, reminding the operator to replenish the caps 7 to be used, thus improving the adaptability of the device.

[0031] like Figure 3 As shown, sensor 15 and alarm 16 are electrically connected by a wire, and tightening device 17 and alarm 16 are electrically connected to driving mechanism 10 by a wire of appropriate length. When using the device, the connection between sensor 15 and alarm 16 and driving mechanism 10 facilitates the device to operate within a suitable range.

[0032] The usage and working principle of this device are as follows: First, the mounting bracket 3 is rotated to a suitable position by the support arm 2. The servo motor 18 is started by the external power supply to control the rotation of the threaded column 4, so that the cap 7 on the surface of one of the clamping rods 5 first engages with the inside of the tightening device 17. The tightening device 17 rotates to loosen the cap 7. At the same time, the clamping rod 5 moves outward. After the tightening device 17 is released, the old cap 7 falls off. At the same time, the travel mechanism 10 slides on the surface of the slide rail 9 to a suitable position. The clamping rod 5 tightens again, so that the surface of the mounting column 6 engages with the cap 7. The positions of the travel mechanism 10 and the clamping rod 5 are adjusted so that the tightening device 17 tightens the new cap 7. Then, the rotating seat 11 is rotated 180 degrees to load and unload the cap 7 on the other side. After that, the rotating seat 11 is reset. Secondly, multiple cap shells 7 are placed inside the storage slot 13, and the baffle 14 on the front side of the storage slot 13 limits the cap shells 7, making it easy for the cap shells 7 to slide stably in the storage slot 13. The installation position of the sensor 15 makes it easy for the sensor 15 to detect the number and position of the cap shells 7, reminding the worker to replenish the cap shells 7 to be used, thus improving the adaptability of the device.

[0033] The tightening device 17 used in this application is a KUTAN electrode cap tightening device, which is a common and conventional device on the market and is known to those skilled in the art. In this application, the above-mentioned device is used in a conventional manner without any improvement to its structure and function. As for their settings, installation and electrical connection methods, those skilled in the art can debug and operate them according to the corresponding product instruction manuals, so they will not be described in detail here.

[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. An automatic electrode cap changing mechanism for resistance welding, characterized in that, The device includes a base (1), a support arm (2) fixedly connected to the surface of the base (1), a mounting bracket (3) rotatably connected to one side of the support arm (2), a threaded column (4) rotatably connected to the inner side of the mounting bracket (3), a clamping rod (5) threaded on the surface of the threaded column (4), a mounting column (6) fixedly connected to the inner side of the clamping rod (5), a cap (7) threaded on the surface of the mounting column (6), a slide rail (9) fixedly connected to the surface of the base (1), a traveling mechanism (10) slidably connected to the surface of the slide rail (9), a rotating seat (11) fixedly connected to the top of the traveling mechanism (10), a base plate (12) rotatably connected to the top of the rotating seat (11), and a storage slot (13) and a tightening device (17) fixedly connected to the surface of the base plate (12).

2. The automatic electrode cap replacement mechanism for resistance welding according to claim 1, characterized in that: The threads on the surface of the threaded column (4) are symmetrically distributed with the vertical center line of the threaded column (4) as the midpoint.

3. The automatic electrode cap replacement mechanism for resistance welding according to claim 1, characterized in that: The mounting bracket (3) is fixedly connected to a sliding column (8), and the surface of the sliding column (8) is slidably connected to the inside of the clamping rod (5).

4. The automatic electrode cap changing mechanism for resistance welding according to claim 1, characterized in that: A baffle (14) is fixedly connected to the front side of the storage slot (13), and a cap (7) is snapped onto the inner side of the storage slot (13).

5. The automatic electrode cap replacement mechanism for resistance welding according to claim 1, characterized in that: A sensor (15) is fixedly embedded on the inner side of the storage slot (13), and an alarm (16) is fixedly connected to the rear side of the storage slot (13).

6. The automatic electrode cap changing mechanism for resistance welding according to claim 1, characterized in that: The number of clamping rods (5) is set to two, and the clamping rods (5) are distributed on the mounting frame (3) near the inner side.

7. The automatic electrode cap replacement mechanism for resistance welding according to claim 1, characterized in that: A servo motor (18) is fixedly connected to the outside of the mounting bracket (3), and the output end of the servo motor (18) is fixedly connected to one end of the threaded column (4).

8. The automatic electrode cap replacement mechanism for resistance welding according to claim 4, characterized in that: One side of the cap (7) is slidably connected to the inner wall of the baffle (14), and the bottom of the baffle (14) is flush with the top of the cap (7) below the storage slot (13).

9. The automatic electrode cap changing mechanism for resistance welding according to claim 5, characterized in that: The installation position of the sensor (15) corresponds to the installation position of the cap (7) of one of the storage slots (13).

10. The automatic electrode cap replacement mechanism for resistance welding according to claim 5, characterized in that: The sensor (15) and the alarm (16) are electrically connected by a wire, and the tightening device (17) and the alarm (16) are electrically connected to the driving mechanism (10) by a wire of appropriate length.

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