Mistake-proof welding equipment

Abstract

The utility model relates to the technical field of welding equipment, and discloses mistake-proof welding equipment which comprises a tool and equipment fixing ground feet, the upper sides of the equipment fixing ground feet are fixedly connected with a welding equipment control cabinet, and the lower side of the front portion of the welding equipment control cabinet is fixedly connected with a welding starting switch. The lower side of the front portion of the welding equipment control cabinet is fixedly connected with a welding counter electrode, the left side of the front portion of the welding equipment control cabinet is fixedly connected with a small-stroke adjusting handle, and the front side of the upper portion of the welding equipment control cabinet is fixedly connected with a maximum-stroke adjusting handle. And the lower side of the left part of the welding equipment control cabinet is fixedly connected with a cooling water busbar. According to the utility model, the risk of reverse welding of the nut and the screw or mixed use of the nut and the screw can be effectively solved, the production of defective products is avoided, the welding of the nut and the screw of various products can be compatible, and only the clamp needs to be replaced when different products are welded.

Description

Technical Field

[0001] This utility model relates to the field of welding equipment technology, and in particular to a fault-proof welding device. Background Technology

[0002] In modern manufacturing, welding technology, as an important connection method, is widely used in industries such as automobiles, home appliances, and machinery. Especially in the manufacturing of products with high precision requirements, the accuracy and stability of welding are crucial. During the welding process, the precise fit of components such as nuts and screws is key to ensuring product quality. However, in traditional welding production processes, there is often a risk of incorrect welding of nuts and screws or the use of mixed components, leading to defective products. This not only increases production costs but also negatively impacts production efficiency.

[0003] Traditional error-proofing measures typically rely on manual inspection or simple equipment alarms to alert operators to potential problems. However, due to operator negligence or limitations in inspection methods, errors can still occur, leading to serious quality issues. Furthermore, existing equipment often lacks flexibility and compatibility for different specifications and types of welded components, making operation difficult and adjustments complex, thus restricting the flexibility and efficiency of the production line. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a fault-proof welding device, which aims to improve the existing technology's lack of flexibility and compatibility, high operational difficulty, and complex adjustment, which restrict the flexibility and efficiency of the production line.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a fault-proof welding device, comprising tooling and a device mounting base, a welding equipment control cabinet fixedly connected to the upper side of the device mounting base, a welding start switch fixedly connected to the lower front side of the welding equipment control cabinet, a welding anti-reverse electrode fixedly connected to the lower front side of the welding equipment control cabinet, a small stroke adjustment handle fixedly connected to the left front side of the welding equipment control cabinet, a maximum stroke adjustment handle fixedly connected to the upper front side of the welding equipment control cabinet, a cooling water manifold fixedly connected to the lower left side of the welding equipment control cabinet, a pneumatic triplet fixedly connected to the upper upper side of the welding equipment control cabinet, a processing component fixedly connected to the middle upper side of the welding equipment control cabinet, the processing component being used for processing various products such as welding nuts and screws, an electrode rigid connection plate fixedly connected to the lower side of the processing component, a welding fixture mounting position fixedly connected to the front side of the electrode rigid connection plate, and an electrode fixing mechanism fixedly connected to the front side of the welding fixture mounting position.

[0006] As a further description of the above technical solution:

[0007] The processing assembly includes a compressed gas pressure stabilizing tank, which is fixedly connected to the upper middle side of the welding equipment control cabinet. A pressure stabilizing tank drain valve is fixedly connected to the lower side of the compressed gas pressure stabilizing tank. A pressure stabilizing tank electric control valve is fixedly connected to the front side of the compressed gas pressure stabilizing tank, and a pressure stabilizing tank gas valve is fixedly connected to the front side of the pressure stabilizing tank electric control valve. An equipment operation panel is fixedly connected to the front side of the welding equipment control cabinet. A control cabinet switch is fixedly connected to the right side of the welding equipment control cabinet. A displacement sensor bracket is fixedly connected to the middle front side of the welding equipment control cabinet. An upper displacement sensor is fixedly connected to the middle outer side of the displacement sensor bracket, and a lower displacement sensor is fixedly connected to the lower outer side of the displacement sensor bracket. An error prevention system operation panel is fixedly connected to the upper front side of the welding equipment control cabinet, and an electrode flexible connection plate is fixedly connected to the left front side of the welding equipment control cabinet.

[0008] As a further description of the above technical solution:

[0009] A product clamping mechanism is fixedly connected to the upper left side of the tooling. A welded product is provided on the rear side of the product clamping mechanism. A product welding nut is fixedly connected to the upper side of the tooling. Buffer devices are fixedly connected to both sides of the upper part of the tooling. A product positioning main pin is provided on the rear side of the product welding nut. A product positioning auxiliary pin is provided on the left side of the product positioning main pin. A connecting assembly is fixedly connected to the upper right side of the tooling. The connecting assembly is used to facilitate the processing of the welded product and the product welding nut.

[0010] As a further description of the above technical solution:

[0011] The connecting assembly includes a nut clamping mechanism, which is fixedly connected to the upper right side of the tooling. A lower electrode platform is fixedly connected to the lower side of the nut clamping mechanism, and the lower electrode platform is fixedly connected to the upper front side of the tooling.

[0012] As a further description of the above technical solution:

[0013] The electrode fixing mechanism has a welded lower electrode fixedly connected inside.

[0014] As a further description of the above technical solution:

[0015] The welding start switch is located on the right side of the welding anti-reverse electrode.

[0016] As a further description of the above technical solution:

[0017] An electrode fixing mechanism is fixedly connected to the front side of the electrode flexible connection plate, and a welding electrode is fixedly connected inside the electrode fixing mechanism.

[0018] As a further description of the above technical solution:

[0019] The upper side of the displacement sensor bracket is equipped with an error prevention system operation panel.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, by turning on the equipment cooling water switch, the blades of the water flow observation window on the cooling water manifold rotate; by turning on the equipment compressed air switch, the pressure gauge reading of the pneumatic triple unit is normal; by checking the compressed gas pressure stabilizing tank, the pressure stabilizing tank drain valve, the pressure stabilizing tank electric control valve, and the pressure stabilizing tank air valve are all functioning normally; by turning on the control cabinet switch, the equipment operation panel lights up normally, and the equipment has no alarms. If the error prevention system operation screen does not generate any alarms, then the welding process of this product is accurate. If an alarm is generated, it can be resolved according to the alarm content. This effectively solves the risk of reverse welding of nuts and screws or mixing of nuts and screws, and avoids the production of defective products.

[0022] 2. In this utility model, the product to be welded is placed on the fixture, the main positioning pin and the auxiliary positioning pin are positioned in place, the product welding nut is placed on the positioning pin, the product clamping mechanism and the nut clamping mechanism are activated to clamp the product to be welded and the product welding nut, the welding parameters are set through the equipment operation panel, the welding start switch is pressed, the upper welding electrode moves to press the surface of the product welding nut, the buffer device falls and drives the lower electrode platform to move down, and the welding is completed by contacting the lower welding electrode. This realizes compatibility with welding nuts and screws of various products. For welding different products, only the fixture needs to be changed. Attached Figure Description

[0023] Figure 1 This is a perspective view of a fault-prevention welding device proposed in this utility model;

[0024] Figure 2 This is a side view of a fault-proof welding device proposed in this utility model;

[0025] Figure 3 This is a partial structural schematic diagram of a fault-prevention welding device proposed in this utility model.

[0026] Legend:

[0027] 1. Tooling; 2. Product clamping mechanism; 3. Welded product; 4. Product welding nut; 5. Buffer device; 6. Product positioning main pin; 7. Product positioning auxiliary pin; 8. Nut clamping mechanism; 9. Lower electrode platform; 10. Welding start switch; 11. Welding anti-reverse electrode; 12. Welding lower electrode; 13. Welding upper electrode; 14. Small stroke adjustment handle; 15. Maximum stroke adjustment handle; 16. Cooling water manifold; 17. Pneumatic triplet; 18. Compression 19. Gas pressure stabilizing tank; 20. Equipment operation panel; 21. Control cabinet switch; 22. Displacement sensor bracket switch; 23. Upper displacement sensor; 24. Lower displacement sensor; 25. Pressure stabilizing tank drain valve; 26. Pressure stabilizing tank electric control valve; 27. Pressure stabilizing tank gas valve; 28. Error prevention system operation panel; 29. ​​Electrode fixing mechanism; 30. Electrode flexible connection plate; 31. Electrode rigid connection plate; 32. Equipment fixing feet; 33. Welding equipment control cabinet; 34. Welding fixture installation position. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Reference Figure 1 , Figure 2This utility model provides an embodiment of a fault-proof welding device, comprising a tooling 1 and a device mounting foot 31. A welding equipment control cabinet 32 ​​is fixedly connected to the upper side of the device mounting foot 31. A welding start switch 10 is fixedly connected to the lower front side of the welding equipment control cabinet 32. A welding anti-reverse electrode 11 is fixedly connected to the lower front side of the welding equipment control cabinet 32. A small stroke adjustment handle 14 is fixedly connected to the left front side of the welding equipment control cabinet 32. A maximum stroke adjustment handle 15 is fixedly connected to the upper front side of the welding equipment control cabinet 32. A cooling water manifold 16 is fixedly connected to the lower left side of the welding equipment control cabinet 32. A pneumatic triplet 17 is fixedly connected to the upper upper side of the welding equipment control cabinet 32. A processing component is fixedly connected to the middle upper side of the welding equipment control cabinet 32. The processing component is used to process various products such as welding nuts 4 and screws. An electrode rigid connection plate 30 is fixedly connected to the lower side of the processing component. A welding fixture mounting position 33 is fixedly connected to the front side of the electrode rigid connection plate 30. An electrode fixing mechanism 28 is fixedly connected to the front side of the mounting position 33; the processing component includes a compressed gas pressure stabilizing tank 18, which is fixedly connected to the upper middle side of the welding equipment control cabinet 32. A pressure stabilizing tank drain valve 24 is fixedly connected to the lower side of the compressed gas pressure stabilizing tank 18. A pressure stabilizing tank electric control valve 25 is fixedly connected to the front side of the compressed gas pressure stabilizing tank 18. A pressure stabilizing tank gas valve 26 is fixedly connected to the front side of the pressure stabilizing tank electric control valve 25. An equipment operation panel 19 is fixedly connected to the front side of the welding equipment control cabinet 32. A control cabinet switch 20 is fixedly connected to the right side of the welding equipment control cabinet 32. A displacement sensor bracket switch 21 is fixedly connected to the middle front side of the welding equipment control cabinet 32. An upper displacement sensor 22 is fixedly connected to the middle outer side of the displacement sensor bracket switch 21. A lower displacement sensor 23 is fixedly connected to the lower outer side of the displacement sensor bracket switch 21. An error prevention system operation screen 27 is fixedly connected to the upper front side of the welding equipment control cabinet 32. An electrode flexible connection plate 29 is fixedly connected to the left front side of the welding equipment control cabinet 32.

[0030] The welding anti-reverse electrode 11 is used to prevent nut leakage or incorrect placement; the upper displacement sensor 22 and lower displacement sensor 23 are used to prevent reverse, error, and leakage; the compressed gas pressure stabilizing tank 18 stabilizes the welding gas pressure; the cooling water manifold 16 provides an alarm signal to the PLC or HMI when the flow rate is lower than the specified requirement; the pneumatic triplet 17 ensures good air supply; the error prevention system operation panel 27 has switches for enabling or disabling the dot counting function; the electrode flexible connection plate 29 is connected to the welding upper electrode 13 and serves as a conductor, and is made flexible because the upper electrode moves up and down; the electrode rigid connection plate 30 is connected to the welding lower electrode 12 and serves as a conductor, and is made rigid because the lower electrode does not move; the small stroke adjustment handle 14 and the maximum stroke adjustment handle 15 are the equipment stroke adjustment devices. When using this device, by turning on the equipment cooling water switch, the blades of the water flow observation window on the cooling water manifold 16 will rotate. By turning on the equipment compressed air switch, the pressure gauge reading of the pneumatic triplet 17 will be normal. Check the compressed gas pressure stabilizing tank 18; the functions of the pressure stabilizing tank drain valve 24, pressure stabilizing tank electric control valve 25, and pressure stabilizing tank air valve 26 will all be normal. By turning on the control cabinet switch 20, the equipment operation panel 19 will light up normally, and there will be no alarms. If no alarm is generated on the error prevention system operation panel 27, the welding process of this product is accurate. If an alarm is generated, the corresponding solution can be made according to the alarm content. This effectively solves the risk of welding nuts and screws backwards or mixing nuts and screws.

[0031] Reference Figure 3 A product clamping mechanism 2 is fixedly connected to the upper left side of the fixture 1. A welded product 3 is arranged behind the product clamping mechanism 2. A product welding nut 4 is fixedly connected to the upper side of the fixture 1. Buffer devices 5 are fixedly connected to both sides of the upper part of the fixture 1. A product positioning main pin 6 is arranged behind the product welding nut 4. A product positioning auxiliary pin 7 is arranged to the left of the product positioning main pin 6. A connecting assembly is fixedly connected to the upper right side of the fixture 1. The connecting assembly is used to facilitate the processing of the welded product 3 and the product welding nut 4. The connecting assembly includes a nut clamping mechanism 8, which is fixedly connected to the upper right side of the fixture 1. A lower electrode platform 9 is fixedly connected to the lower side of the nut clamping mechanism 8, and the lower electrode platform 9 is fixedly connected to the upper front side of the fixture 1.

[0032] Place the product 3 to be welded on the fixture. Position the main product positioning pin 6 and the auxiliary product positioning pin 7 into place. Place the product welding nut 4 on the positioning pin. Start the product clamping mechanism 2 and the nut clamping mechanism 8 to clamp the product 3 and the product welding nut 4. Set the welding parameters through the equipment operation panel 19. Press the welding start switch 10. The upper welding electrode 13 presses against the surface of the product welding nut 4. The buffer device 5 falls and moves the lower electrode platform 9 down to contact the lower welding electrode 12 to complete the welding. This system is compatible with welding nuts 4 and screws of various products.

[0033] Reference Figure 1 , Figure 2 The electrode fixing mechanism 28 is internally fixedly connected to the lower welding electrode 12; the welding start switch 10 is located on the right side of the welding anti-reverse electrode 11; the electrode fixing mechanism 28 is fixedly connected to the front side of the electrode flexible connection plate 29, and the upper welding electrode 13 is fixedly connected inside the electrode fixing mechanism 28; the error prevention system operation screen 27 is provided on the upper side of the displacement sensor bracket 21.

[0034] The lower electrode 12 is fixedly connected inside the electrode fixing mechanism 28, which serves to conduct electricity. Since the lower electrode does not move, it is made into a rigid component. The welding start switch 10 is located on the right side of the welding anti-reverse electrode 11, which serves to prevent the nut from being misplaced. The electrode fixing mechanism 28 is fixedly connected to the front side of the electrode flexible connection plate 29. The upper electrode 13 is fixedly connected inside the electrode fixing mechanism 28, which serves to conduct electricity. Since the upper electrode moves up and down, it is made into a flexible component. The error prevention system operation panel 27 is set on the upper side of the displacement sensor bracket 21, which facilitates the setting of equipment parameters.

[0035] Working Principle: The cylinder's dual-stroke switching can be achieved through the maximum stroke adjustment handle 15; the welding anti-reverse electrode 11 is used to prevent nut leakage or misplacement, employing an imported sensor with high detection accuracy up to 0.01mm; the upper displacement sensor 22 and lower displacement sensor 23 are used for anti-reverse, error-prevention, and leakage prevention, as there are many different nut models being welded, preventing incorrect or missing installations; the compressed gas pressure stabilizing tank 18 stabilizes the welding gas pressure, ensuring a stable welding process; the cooling water manifold 16 is equipped with a FESTO electronic flow meter, providing an alarm signal to the PLC or HMI when the flow rate is lower than the specified requirement; the pneumatic triplet 17 is equipped with a FESTO triplet to ensure good air supply; the error prevention system operation panel 27 includes detection values, detection standard values, and upper and lower limits. The parameter setting interface includes limit values, current values ​​for dot grinding, and set values. It also includes settings for detection-related parameters and switches for enabling / disabling the dot counting function. The flexible electrode connection plate 29 is connected to the upper electrode 13 for conductivity. Because the upper electrode moves up and down, it is made flexible. The rigid electrode connection plate 30 is connected to the lower electrode 12 for conductivity. Because the lower electrode does not move, it is made rigid. The small stroke adjustment handle 14 and the maximum stroke adjustment handle 15 are the equipment stroke adjustment devices. The small stroke adjustment handle 14 is mainly for small stroke adjustment and is used for fine-tuning during debugging. The maximum stroke adjustment handle 15 is for maximum stroke adjustment and is mainly suitable for large stroke adjustments. Stroke adjustment is mainly to better accommodate product size issues and also to minimize wasted welding time. When using this device, install tooling 1 at welding fixture mounting position 33 and fix it in place. Turn on the equipment cooling water switch, and the blades of the water flow observation window on the cooling water manifold 16 will rotate. Turn on the equipment compressed air switch, and the pressure gauge reading of the pneumatic triplet 17 will be normal. Check the compressed gas pressure tank 18; the functions of the pressure tank drain valve 24, pressure tank solenoid valve 25, and pressure tank air valve 26 will all be normal. Turn on the control cabinet switch 20, and the equipment operation panel 19 will light up normally. There will be no alarms. Place the product 3 to be welded on the fixture. The product positioning main pin 6 and product positioning auxiliary pin 7 will be positioned in place. Place the product welding nut 4 on the positioning pin and start the product clamping mechanism 2. The nut clamping mechanism 8 clamps the welding product 3 and the welding nut 4. The welding parameters are set through the equipment operation panel 19. The welding start switch 10 is pressed, and the upper welding electrode 13 presses against the surface of the welding nut 4. The buffer device 5 falls and drives the lower electrode platform 9 to move down and contact the lower welding electrode 12 to complete the welding. If no alarm is generated on the error prevention system operation panel 27, the welding process of this product is accurate. If an alarm is generated, it can be resolved according to the alarm content. It can achieve compatibility with welding nuts 4 and screws of various products. Welding different products only requires changing the fixture. At the same time, the equipment can solve the risk of welding nuts and screws in reverse or mixing nuts and screws, and avoid the generation of defective products.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A mistake proofing welding apparatus comprising a tooling (1) and an apparatus fixture foot (31), characterized in that: A welding equipment control cabinet (32) is fixedly connected to the upper side of the equipment mounting foot (31). A welding start switch (10) is fixedly connected to the lower front side of the welding equipment control cabinet (32). A welding anti-reverse electrode (11) is fixedly connected to the lower front side of the welding equipment control cabinet (32). A small stroke adjustment handle (14) is fixedly connected to the left front side of the welding equipment control cabinet (32). A maximum stroke adjustment handle (15) is fixedly connected to the upper front side of the welding equipment control cabinet (32). A small stroke adjustment handle (14) is fixedly connected to the lower left side of the welding equipment control cabinet (32). There is a cooling water manifold (16). A pneumatic triplet (17) is fixedly connected to the upper left side of the welding equipment control cabinet (32). A processing component is fixedly connected to the middle upper part of the welding equipment control cabinet (32). The processing component is used to process various products such as welding nuts (4) and screws. An electrode hard connection plate (30) is fixedly connected to the lower side of the processing component. A welding fixture mounting position (33) is fixedly connected to the front side of the electrode hard connection plate (30). An electrode fixing mechanism (28) is fixedly connected to the front side of the welding fixture mounting position (33).

2. A mistake proof welding apparatus according to claim 1, wherein: The processing assembly includes a compressed gas pressure stabilizing tank (18), which is fixedly connected to the upper middle side of the welding equipment control cabinet (32). A pressure stabilizing tank drain valve (24) is fixedly connected to the lower side of the compressed gas pressure stabilizing tank (18). A pressure stabilizing tank electric control valve (25) is fixedly connected to the front side of the compressed gas pressure stabilizing tank (18). A pressure stabilizing tank gas valve (26) is fixedly connected to the front side of the pressure stabilizing tank electric control valve (25). An equipment operation panel (19) is fixedly connected to the front side of the welding equipment control cabinet (32). A control cabinet switch (20) is fixedly connected to the right side of the welding equipment control cabinet (32). A displacement sensor bracket switch (21) is fixedly connected to the middle front side of the welding equipment control cabinet (32). An upper displacement sensor (22) is fixedly connected to the middle outer side of the displacement sensor bracket switch (21). A lower displacement sensor (23) is fixedly connected to the lower outer side of the displacement sensor bracket switch (21). An error prevention system operation panel (27) is fixedly connected to the upper front side of the welding equipment control cabinet (32). An electrode flexible connection plate (29) is fixedly connected to the left front side of the welding equipment control cabinet (32).

3. A mistake proofing welding apparatus as defined in claim 1, wherein: The upper left side of the tooling (1) is fixedly connected to a product clamping mechanism (2), and a welding product (3) is provided on the rear side of the product clamping mechanism (2). A product welding nut (4) is fixedly connected to the upper side of the tooling (1). Buffer devices (5) are fixedly connected to both sides of the upper part of the tooling (1). A product positioning main pin (6) is provided on the rear side of the product welding nut (4). A product positioning auxiliary pin (7) is provided on the left side of the product positioning main pin (6). A connecting component is fixedly connected to the upper right side of the tooling (1). The connecting component is used to facilitate the processing of the welding product (3) and the product welding nut (4).

4. A mistake proofing welding apparatus as defined in claim 3, wherein: The connecting assembly includes a nut clamping mechanism (8), which is fixedly connected to the upper right side of the tooling (1). A lower electrode platform (9) is fixedly connected to the lower side of the nut clamping mechanism (8), and the lower electrode platform (9) is fixedly connected to the upper front side of the tooling (1).

5. A mistake proof welding apparatus as defined in claim 1, wherein: The electrode fixing mechanism (28) has a welded lower electrode (12) fixedly connected inside.

6. A mistake proof welding apparatus as defined in claim 1, wherein: The welding start switch (10) is located on the right side of the welding anti-reverse electrode (11).

7. A mistake proof welding apparatus as defined in claim 2, wherein: An electrode fixing mechanism (28) is fixedly connected to the front side of the electrode flexible connection plate (29), and a welding electrode (13) is fixedly connected inside the electrode fixing mechanism (28).

8. A mistake proof welding apparatus as defined in claim 2, wherein: The upper side of the displacement sensor bracket (21) is provided with a fault-proofing system operation screen (27).

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