Detection equipment for positioning welding nut of clamp
By designing a detection device for positioning welding nuts in a fixture, using a bracket, limit rod, and sensor to detect the nuts, the problems of spring jamming and the influence of welding slag are solved, thus improving welding accuracy and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING LIUHE PUSH MACHINERY CO LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-05-12
AI Technical Summary
In welding fixtures, the detection device that uses nuts as positioning parts is prone to problems such as mis-sensing and spring jamming due to the elasticity of the spring and the influence of welding slag, resulting in an increased defect rate.
A detection device for positioning welding nuts in a fixture was designed, including a bracket, a limiting rod, a connecting rod, a fixing plate, a positioning pin, and a sensor. The nut is detected by the limiting structure and the sensor, avoiding the increase in the defect rate caused by long-term use.
By using limiting and detection structures, the stability of the welding process is improved, the defect rate is reduced, and welding accuracy and efficiency are ensured.
Smart Images
Figure CN224223102U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fixture welding technology, specifically to a testing device for positioning nuts in fixture welding. Background Technology
[0002] Welding fixtures are a type of process equipment primarily used to ensure the size of weldments, improve assembly accuracy and efficiency, and prevent welding deformation. Welding fixtures simplify the assembly and welding process by precisely positioning and firmly clamping weldments, ensuring the structural accuracy of the weldments. However, in welding fixtures, nuts are used as positioning components, and spring pins are used to detect the nuts. With long-term use, the elasticity of the spring and the influence of weld slag can lead to problems such as mis-sensing of parts and spring jamming, resulting in an increased defect rate. Therefore, a detection device for the positioning of welding nuts in fixtures is proposed. Utility Model Content
[0003] The purpose of this utility model is to provide a detection device for positioning welding nuts in a fixture, in order to solve the problem mentioned in the background art that in welding fixtures, nuts are used as positioning parts and the device for detecting nuts is a spring pin. With long-term use, the elastic performance of the spring and the influence of welding slag can lead to problems such as mis-sensing of parts and spring jamming and failure to rebound, resulting in an increased defect rate.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a detection device for positioning welding nuts in a fixture, comprising a bracket, a limiting rod fixedly disposed on one side of the bracket, a workpiece placed on the outside of the bracket, the limiting rod penetrating the workpiece, a nut disposed inside the workpiece, a connecting rod disposed inside the bracket, a first fixing plate fixedly disposed on one side of the connecting rod and located on one side of the bracket, a positioning pin fixedly disposed on one side of the first fixing plate, a fixing nut threadedly connected to the outside of the connecting rod, a limiting structure disposed inside the first fixing plate, a sensor disposed between the connecting rod, the first fixing plate, and the positioning pin, and a detection indicator light structure disposed on the outside of the bracket.
[0005] Preferably, the limiting structure includes a clamping plate located inside a first fixed plate. A protective pad is fixedly provided on one side of the clamping plate, and a threaded rod is rotatably provided on one side of the clamping plate, with the threaded rod penetrating the first fixed plate. A second fixed plate is fixedly provided on the outer side of the first fixed plate, with the threaded rod threaded through the second fixed plate. A rotating plate is fixedly provided at one end of the second fixed plate.
[0006] Preferably, the detection indicator light structure includes a housing, which is mounted on the outside of the bracket, and multiple indicator lights are fixedly installed on the top of the housing.
[0007] Preferably, the outer side of the connecting rod is machined with external threads, and the size of the fixing nut is adapted to the external threads.
[0008] Preferably, one end of the positioning pin has a sensing hole.
[0009] Preferably, the second fixing plate has a threaded hole inside, and the size of the threaded rod is adapted to the threaded hole.
[0010] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:
[0011] This invention, by setting up a connecting rod, a first fixing plate, a positioning pin, and a sensor, allows for easy welding of the workpiece and nut. The connecting rod is installed inside a bracket, and the fixing nut is rotated to secure the connecting rod, thus placing the positioning pin on one side of the bracket. The sensor is then installed inside the connecting rod, the first fixing plate, and the positioning pin. Rotating the rotating plate limits the sensor's position, facilitating assembly and disassembly and preventing increased defect rates from prolonged use. The workpiece is then placed on one side of the bracket, and the nut is placed inside the workpiece. The sensor detects the nut, facilitating welding. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0013] Figure 1 This is a side view of the structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the connection structure between the bracket and the positioning pin of this utility model;
[0015] Figure 3 This is a schematic diagram of the connection structure between the bracket and the connecting rod of this utility model;
[0016] Figure 4 This is a schematic diagram of the connection structure between the connecting rod and the sensor of this utility model.
[0017] Explanation of reference numerals in the attached drawings: 1. Bracket; 2. Limiting rod; 3. Workpiece; 4. Nut; 5. Connecting rod; 6. First fixing plate; 7. Positioning pin; 8. Fixing nut; 9. Clamping plate; 10. Protective pad; 11. Threaded rod; 12. Second fixing plate; 13. Rotating plate; 14. Sensor; 15. Box body; 16. Indicator light. Detailed Implementation
[0018] 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.
[0019] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.
[0020] Example
[0021] In existing technologies, when using nuts as positioning parts in welding fixtures and spring pins as the device for detecting the nuts, long-term use of this mechanism can lead to problems such as mis-sensing of parts and spring jamming due to the elasticity of the spring and the influence of welding slag, resulting in an increased defect rate.
[0022] Please see Figure 1-4 This utility model provides a technical solution: a detection device for positioning welding nuts in a fixture, comprising a bracket 1, a limiting rod 2 fixedly disposed on one side of the bracket 1, a workpiece 3 placed on the outside of the bracket 1, the limiting rod 2 penetrating the workpiece 3, a nut 4 disposed inside the workpiece 3, a connecting rod 5 disposed inside the bracket 1, a first fixing plate 6 fixedly disposed on one side of the connecting rod 5 and the first fixing plate 6 being located on one side of the bracket 1, a positioning pin 7 fixedly disposed on one side of the first fixing plate 6, a fixing nut 8 threadedly connected to the outside of the connecting rod 5, a limiting structure disposed inside the first fixing plate 6, and the connecting rod 5, the first fixing plate 6, and the positioning pin 7 being disposed within... A sensor 14 is installed between the parts, and a detection indicator light structure is installed on the outside of the bracket 1. When welding the workpiece 3 and the nut 4, the connecting rod 5 is installed inside the bracket 1, the first fixing plate 6 is located on one side of the bracket 1, and then the fixing nut 8 is rotated to fix the connecting rod 5, so that the positioning pin 7 is located on one side of the bracket 1. Then the sensor 14 is installed inside the connecting rod 5, the first fixing plate 6 and the positioning pin 7, and fixed by the limiting structure to avoid the increase in the defect rate due to long-term use. Then the workpiece 3 is placed on one side of the bracket 1, and the nut 4 is placed inside the workpiece 3. The sensor 14 is used for detection, which facilitates welding.
[0023] The limiting structure includes a clamping plate 9, which is located inside the first fixed plate 6. A protective pad 10 is fixedly installed on one side of the clamping plate 9, and a threaded rod 11 is rotatably installed on one side of the clamping plate 9, with the threaded rod 11 passing through the first fixed plate 6. A second fixed plate 12 is fixedly installed on the outside of the first fixed plate 6, with the threaded rod 11 threaded through the second fixed plate 12. A rotating plate 13 is fixedly installed at one end of the second fixed plate 12. After the sensor 14 is installed inside the connecting rod 5, the first fixed plate 6, and the positioning pin 7, rotating the rotating plate 13 will drive the threaded rod 11 to rotate. The threaded rod 11 will push the clamping plate 9 to clamp the sensor 14, thereby limiting the sensor 14 and facilitating disassembly and assembly.
[0024] The detection indicator light structure includes a housing 15, which is installed on the outside of the bracket 1. Multiple indicator lights 16 are fixedly installed on the top of the housing 15. When welding the workpiece 3 and the nut 4, the nut 4 is detected by the sensor 14. When the nut 4 is detected, the indicator light 16 lights up, and otherwise the indicator light 16 does not light up.
[0025] The outer side of the connecting rod 5 is machined with external threads. The size of the fixing nut 8 is adapted to the external threads. The connecting rod 5 is installed inside the bracket 1 by fixing the nut 8.
[0026] One end of the positioning pin 7 has a sensing hole, which facilitates the sensor 14 to perform detection.
[0027] The second fixing plate 12 has a threaded hole inside, and the size of the threaded rod 11 is adapted to the threaded hole. By rotating the threaded rod 11, the clamping plate 9 is moved, thereby clamping the sensor 14.
[0028] The sensor 14 in this application is model E32-D24R. Its structure and operating principle are existing technologies, therefore, its structure and operating principle will not be described in detail here.
[0029] The working principle or structural principle is as follows: When welding workpiece 3 and nut 4, connecting rod 5 is installed inside bracket 1, first fixing plate 6 is located on one side of bracket 1, and then fixing nut 8 is rotated to fix connecting rod 5, so that positioning pin 7 is located on one side of bracket 1. Then, sensor 14 is installed inside connecting rod 5, first fixing plate 6 and positioning pin 7. Rotating rotating plate 13 will drive threaded rod 11 to rotate, threaded rod 11 will push clamping plate 9 to clamp sensor 14, thereby limiting sensor 14, facilitating disassembly and assembly, and avoiding increased defect rate due to long-term use. Then, workpiece 3 is placed on one side of bracket 1, and nut 4 is placed inside workpiece 3. Nut 4 is detected by sensor 14. When nut 4 is detected, indicator light 16 lights up, otherwise indicator light 16 does not light up, thus facilitating welding.
[0030] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.
Claims
1. A testing device for positioning welding nuts in a clamp, comprising a support (1), characterized in that: A limiting rod (2) is fixedly installed on one side of the bracket (1). A workpiece (3) is placed on the outside of the bracket (1). The limiting rod (2) passes through the workpiece (3). A nut (4) is installed inside the workpiece (3). A connecting rod (5) is installed inside the bracket (1). A first fixing plate (6) is fixedly installed on one side of the connecting rod (5) and the first fixing plate (6) is located on one side of the bracket (1). A positioning pin (7) is fixedly installed on one side of the first fixing plate (6). A fixing nut (8) is threadedly connected to the outside of the connecting rod (5). A limiting structure is installed inside the first fixing plate (6). A sensor (14) is installed between the connecting rod (5), the first fixing plate (6), and the positioning pin (7). A detection indicator light structure is installed on the outside of the bracket (1).
2. The testing device for positioning welding nuts in a fixture according to claim 1, characterized in that: The limiting structure includes a clamping plate (9), which is located inside the first fixing plate (6). A protective pad (10) is fixedly provided on one side of the clamping plate (9). A threaded rod (11) is rotatably provided on one side of the clamping plate (9) and the threaded rod (11) passes through the first fixing plate (6). A second fixing plate (12) is fixedly provided on the outside of the first fixing plate (6). The threaded rod (11) is threaded through the second fixing plate (12). A rotating plate (13) is fixedly provided at one end of the second fixing plate (12).
3. The testing device for positioning welding nuts in a fixture according to claim 1, characterized in that: The detection indicator structure includes a housing (15), which is installed on the outside of the bracket (1), and multiple indicator lights (16) are fixedly installed on the top of the housing (15).
4. The testing device for positioning welding nuts in a fixture according to claim 1, characterized in that: The outer side of the connecting rod (5) is machined with external threads, and the size of the fixing nut (8) is adapted to the external threads.
5. A testing device for positioning welding nuts in a fixture according to claim 1, characterized in that: One end of the positioning pin (7) is provided with a sensing hole.
6. A testing device for positioning welding nuts in a fixture according to claim 2, characterized in that: The second fixing plate (12) has a threaded hole inside, and the size of the threaded rod (11) is adapted to the threaded hole.