Door plate welding spot pulling-out force test tool
By designing a door panel welding joint pull-off force testing tooling including a base plate, pull belt, pulling assembly and pressure sensor, the problem of fixed instability in traditional testing methods is solved, and more efficient and accurate detection is achieved.
Patent Information
- Application Number
- CN202421105038.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-05-21
AI Technical Summary
In the traditional door panel welding joint pull-off force testing method, the ends of the wire rope or pull-off belt are unstable, and loosening and slipping are prone to occur, affecting the detection efficiency and the accuracy of the result.
A door panel welding joint pull-off force testing tooling is designed, including a base plate, pull belt, pull-pull assembly and pressure sensor. Through the coordination of pull-pull assembly and pull-pull assembly, the pull-pull force is ensured to be stable and the tension data is monitored in real time through the pressure sensor.
It effectively avoids the problem of slipping and disengaging the clamping end of the pull rope, ensures the smooth progress of the test process, and improves the detection accuracy and efficiency.
Smart Images

Figure CN222761991U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of door panel detection, in particular to a door panel welding point pull-off force testing tool. Background Art
[0002] Door panel handles are an important part of home furnishings, cars, electrical appliances and other products, and have become an indispensable part of daily life. The continuous improvement of their design and manufacturing technology is not only related to the aesthetics of the products, but also to the convenience and safety of use. In the manufacturing process, the material selection, molding process and connection technology of the door panel handles and door panels are all key. Especially the connection technology, it is directly related to the firmness and service life of the handles. The quality of the welding point, as an important way to connect the handles and door panels, directly affects the overall performance and service life of the product.
[0003] The traditional method for testing the pull-off force of door panel welds is mainly to use a wire rope to pull the handle. This method tests the pull-off force of the weld by fixing the wire rope or pull strap at the handle and applying tension to the other end of the wire rope or pull strap. However, the traditional method of pulling the handle has some obvious shortcomings. First, the fixation of the end of the wire rope or pull strap is often not stable enough, and it is easy to loosen and slip during the test, resulting in interruption of the test process, affecting the overall detection efficiency and the accuracy of the test results.
[0004] Therefore, it is necessary to provide a door panel weld pull-off force testing tool to solve the above technical problems. Utility Model Content
[0005] The utility model aims to provide a door panel weld point pull-off force testing tool to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model solves the above-mentioned technical problems as follows: a door panel weld pull-off force testing tool, comprising a bottom plate and a pulling belt, two symmetrically distributed side support plates are fixed on the top side of the bottom plate, and a top plate is commonly fixed to the top of the two side support plates, a door panel is placed on the top side of the top plate, a slot is provided on the top side of the top plate, a handle on the door panel extends into the slot, one end of the pulling belt pulls the handle on the slot, a rotary pull component for pulling the other end of the pulling belt is provided on the top of the bottom plate, the pulling belt has two ends and a connecting component is provided on one of the ends, a pressure sensor is provided on the rotary pull component, and a display electrically connected to the pressure sensor is fixed on the outer side wall of the side support plate.
[0007] As a further solution of the present invention, the connecting assembly includes a socket fixed on one end of the traction belt, a locking bolt is threadedly connected to the side of the socket, and the other end of the traction belt is provided with a socket allowing the locking bolt to pass through, and the two ends of the traction belt are fixedly connected by the locking bolt.
[0008] As a further solution of the utility model, a nut sleeve adapted to the thread of the locking bolt screw is fixed on the outer side wall of the socket.
[0009] As a further solution of the utility model, the rotary pulling assembly includes a bracket plate fixed on the top side of the base plate, two bracket plates are provided and the two bracket plates are symmetrically distributed, and column rollers are connected to the two bracket plates for common rotation, and convex columns are fixed on the sides of the column rollers, and a driving motor is fixed on the side of one of the bracket plates, and the output shaft of the driving motor is coaxially fixed with one end of the column roller, the pressure sensor is fixed on the side of the convex column, and a display electrically connected to the pressure sensor is fixed on the outer wall of the side support plate.
[0010] As a further solution of the utility model, the convex column is located in the middle of the column roller, and the notch is arranged directly above the convex column.
[0011] As a further solution of the utility model, screw holes are opened on the side of the bottom plate, and a plurality of the screw holes are provided and the plurality of screw holes are symmetrically distributed.
[0012] Compared with the prior art, the beneficial effect of the utility model is as follows: by inserting one end of the pulling belt into the handle on the door panel, and then fixing the two ends of the pulling belt through the connecting component, so that one end of the pulling belt pulls the handle, and the other end of the pulling belt is placed on the rotating and pulling component, and the other end of the pulling belt is rotated and pulled by the rotating and pulling component, so that the handle on the door panel is pulled by the pulling action of the pulling belt, and the strength of the handle welding point is detected, and the tension data is monitored by the pressure sensor and transmitted to the display for real-time display until the handle is pulled off, thereby detecting the limit tension value of the handle welding pull-off, that is, detecting the pull-off strength of the door handle welding point, and effectively avoiding the problem of the clamping end of the pulling rope slipping easily during the pull-off force test of the door panel welding point through the cooperation of the pulling belt, the connecting component and the rotating and pulling component, thereby ensuring the smooth progress of the test process, effectively improving the detection accuracy, and at the same time, convenient detection operation and improved detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0014] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;
[0015] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;
[0016] Figure 3 It is a schematic diagram of the local structure of the rotary pull assembly of the utility model;
[0017] Figure 4 This is a schematic diagram of the pull belt structure of the utility model;
[0018] Figure 5 for Figure 4 A magnified view of the structure at center;
[0019] Figure 6 It is a schematic diagram of the local structure of the connection component of the utility model.
[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0021] 1. Connecting assembly; 101. Locking bolt; 102. Socket; 103. Nut sleeve; 2. Rotation and pulling assembly; 201. Column roller; 202. Driving motor; 203. Boss; 204. Bracket plate; 3. Bottom plate; 4. Side support plate; 5. Top plate; 6. Door plate; 7. Display; 8. Pull belt; 9. Pressure sensor; 10. Notch; 11. Screw hole. DETAILED DESCRIPTION
[0022] The present invention will be further described below in conjunction with the embodiments.
[0023] See also Figure 1-6The utility model provides a door panel welding point pull-off force testing device, including a bottom plate 3 and a pulling belt 8, two symmetrically distributed side support plates 4 are fixed on the top side of the bottom plate 3, and a top plate 5 is fixed on the top of the two side support plates 4. A door panel 6 is placed on the top side of the top plate 5, and a notch 10 is opened on the top side of the top plate 5. The handle on the door panel 6 extends into the notch 10, and one end of the pulling belt 8 pulls the handle on the notch 10. A rotating pulling component 2 for pulling the other end of the pulling belt 8 is arranged on the top of the bottom plate 3, the pulling belt 8 is provided with two ends and a connecting component 1 is arranged on one end, and a pressure sensor 9 is arranged on the rotating pulling component 2, and a display 7 electrically connected to the pressure sensor 9 is fixed on the outer side wall of the side support plate 4; when in use, one end of the pulling belt 8 is inserted into the handle on the door panel 6, and then connected to the connecting component 1. Component 1 fixes the two ends of the pulling belt 8 so that one end of the pulling belt 8 pulls the handle, and the other end of the pulling belt 8 is placed on the rotating and pulling component 2. The rotating and pulling component 2 rotates and pulls the other end of the pulling belt 8, so that the handle on the door panel 6 is pulled by the pulling action of the pulling belt 8, and the strength of the handle welding point is detected. The tension data is monitored by the pressure sensor 9 and the tension data is transmitted to the display 7 for real-time display until the handle is pulled off, thereby detecting the limit tension value of the handle welding pull-off, that is, detecting the pull-off strength of the door handle welding point. The cooperation of the pulling belt 8, the connecting component 1 and the rotating and pulling component 2 can effectively avoid the problem of the clamping end of the pulling rope being easy to slip during the pull-off force test of the door panel welding point, thereby ensuring the smooth progress of the test process, effectively improving the detection accuracy, and at the same time, convenient detection operation and improved detection efficiency.
[0024] Further as Figure 1 , Figure 4 and Figure 5 As shown, it is worth explaining in detail that the connecting assembly 1 includes a socket 102 fixed on one end of the pulling belt 8, a locking bolt 101 is threadedly connected on the side of the socket 102, and the other end of the pulling belt 8 is provided with a socket for allowing the locking bolt 101 to pass through, and the two ends of the pulling belt 8 are fixedly connected by the locking bolt 101; during specific operation, one end of the pulling belt 8 is passed through the handle on the door panel 6, and one end of the pulling belt 8 is inserted into the socket 102, and the locking bolt 101 is screwed in, so that the two ends of the pulling belt 8 are fixedly connected, so that the pulling belt 8 forms a closed ring, so that the pulling belt 8 at both ends can be pulled stably.
[0025] Further as Figure 6 As shown, it is worth explaining in detail that a nut sleeve 103 adapted to the screw thread of the locking bolt 101 is fixed on the outer wall of the socket 102; during specific operation, the screw of the locking bolt 101 is screwed into the nut sleeve 103, and the stability of the connection of the locking bolt 101 is effectively improved by the provision of the nut sleeve 103.
[0026] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth explaining in detail that the rotary pull assembly 2 includes a bracket plate 204 fixed on the top side of the bottom plate 3, two bracket plates 204 are provided and the two bracket plates 204 are symmetrically distributed, and the two bracket plates 204 are connected to the column roller 201 for common rotation, and a convex column 203 is fixed on the side of the column roller 201, and a driving motor 202 is fixed on the side of one of the bracket plates 204, and the output shaft of the driving motor 202 is coaxially fixed with one end of the column roller 201, and a pressure sensor 9 is fixed on the side of the convex column 203, and a display 7 electrically connected to the pressure sensor 9 is fixed on the outer side wall of the side support plate 4; one end of the pulling belt 8 pulls the handle, and the other end of the pulling belt 8 is placed on the convex column 203 to start the driving The driving motor 202 works, and the driving motor 202 drives the column roller 201 to rotate, thereby driving the convex column 203 to rotate and pull the other end of the pulling belt 8, so as to pull the handle on the door panel 6 through the pulling action of the pulling belt 8, detect the strength of the handle welding point, monitor the tension data through the pressure sensor 9 and transmit the tension data to the display 7 for real-time display until the handle is pulled off, thereby detecting the ultimate tension value of the handle welding pull-off, that is, detecting the pull-off strength of the door handle welding point. The above structure can effectively avoid the problem of the clamping end of the pulling rope easily slipping during the pull-off force test of the door panel welding point, ensure the smooth progress of the test process, effectively improve the detection accuracy, and at the same time, the detection operation is convenient, and the detection efficiency is improved.
[0027] This scheme has the following working process: by passing one end of the pulling belt 8 through the handle on the door panel 6, and inserting one end of the pulling belt 8 into the socket 102, and screwing in the locking bolt 101, the two ends of the pulling belt 8 are fixedly connected, so that the pulling belt 8 forms a closed ring, and the other end of the pulling belt 8 is placed on the boss 203, and the driving motor 202 is started to work. The driving motor 202 drives the column roller 201 to rotate, thereby driving the boss 203 to rotate and pull the other end of the pulling belt 8, so that the handle on the door panel 6 is pulled by the pulling action of the pulling belt 8, and the strength of the handle welding point is detected. The tension data is monitored by the pressure sensor 9 and the tension data is transmitted to the display 7 for real-time display until the handle is pulled off, thereby detecting the limit tension value of the handle welding pull-off, that is, detecting the pull-off strength of the door handle welding point.
[0028] Further as Figure 2 and Figure 3 As shown, it is worth explaining in detail that the boss 203 is located in the middle of the column roller 201, and the slot 10 is arranged directly above the boss 203; during specific operation, by arranging the slot 10 directly above the boss 203, the pulling belt 8 is kept vertical to ensure stable transmission of the pulling force.
[0029] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth explaining in detail that a screw hole 11 is opened on the side of the base plate 3, and a plurality of screw holes 11 are provided and the plurality of screw holes 11 are symmetrically distributed; during specific operation, the entire device is firmly fixed by installing screws in the screw holes 11, thereby further improving the accuracy of the detection data.
[0030] In summary: by inserting one end of the pulling belt 8 into the handle on the door panel 6, and then fixing the two ends of the pulling belt 8 through the connecting component 1, one end of the pulling belt 8 pulls the handle, and the other end of the pulling belt 8 is placed on the rotating and pulling component 2, and the other end of the pulling belt 8 is rotated and pulled by the rotating and pulling component 2, so that the handle on the door panel 6 is pulled by the pulling action of the pulling belt 8, and the strength of the handle welding point is detected, and the tension data is monitored by the pressure sensor 9 and transmitted to the display 7 for real-time display until the handle is pulled off, so as to detect the limit tension value of the handle welding pull-off, that is, the pull-off strength of the door handle welding point is detected, and the cooperation of the pulling belt 8, the connecting component 1 and the rotating and pulling component 2 can effectively avoid the problem of the clamping end of the pulling rope being easy to slip during the pull-off force test of the door panel welding point, thereby ensuring the smooth progress of the test process, effectively improving the detection accuracy, and at the same time, convenient detection operation and improved detection efficiency.
[0031] The driving motor 202 can be purchased on the market. The driving motor 202 is equipped with a power supply, which is a mature technology in this field and has been fully disclosed, so it will not be repeated in the specification.
Claims
1. A door panel weld point pull-off force test tool, comprising a bottom plate (3) and a pulling belt (8), characterized in that: Two symmetrically distributed side support plates (4) are fixed on the top side of the bottom plate (3), and a top plate (5) is fixed on the top of the two side support plates (4). A door plate (6) is placed on the top side of the top plate (5). A slot (10) is provided on the top side of the top plate (5), and a handle on the door plate (6) extends into the slot (10). One end of the pulling belt (8) pulls the handle on the slot (10). A rotating pull component (2) for pulling the other end of the pulling belt (8) is provided on the top of the bottom plate (3). The pulling belt (8) has two ends, and a connecting component (1) is provided on one end. A pressure sensor (9) is provided on the rotating pull component (2). A display (7) electrically connected to the pressure sensor (9) is fixed on the outer side wall of the side support plate (4).
2. The door panel weld point pull-off force testing tool according to claim 1, characterized in that: The connection assembly (1) comprises a socket (102) fixed on one end of a pulling belt (8), a locking bolt (101) being threadedly connected on the side of the socket (102), and a socket for allowing the locking bolt (101) to pass through is provided at the other end of the pulling belt (8), and the two ends of the pulling belt (8) are fixedly connected by the locking bolt (101).
3. The door panel weld point pull-off force testing tool according to claim 2, characterized in that: A nut sleeve (103) adapted to the screw thread of the locking bolt (101) is fixed on the outer side wall of the socket (102).
4. The door panel weld point pull-off force testing tool according to claim 1, characterized in that: The rotary pull assembly (2) comprises a support plate (204) fixed on the top side of the base plate (3), two support plates (204) are provided and the two support plates (204) are symmetrically distributed, and the two support plates (204) are connected to a column roller (201) for common rotation, and a convex column (203) is fixed on the side of the column roller (201), and a driving motor (202) is fixed on the side of one of the support plates (204), and the output shaft of the driving motor (202) is coaxially fixed with one end of the column roller (201), the pressure sensor (9) is fixed on the side of the convex column (203), and a display (7) electrically connected to the pressure sensor (9) is fixed on the outer wall of the side support plate (4).
5. The door panel weld point pull-off force testing tool according to claim 4, characterized in that: The convex column (203) is located in the middle of the column roller (201), and the notch (10) is located directly above the convex column (203).
6. The door panel weld point pull-off force testing tool according to claim 1, characterized in that: A screw hole (11) is provided on the side surface of the bottom plate (3), and a plurality of the screw holes (11) are provided and the plurality of screw holes (11) are symmetrically distributed.