Detection equipment for detecting welding strength of projection welding nut

Abstract

The utility model relates to the technical field of projection welding nuts, in particular to detection equipment based on detection of welding strength of projection welding nuts, which comprises a mounting plate, a driving motor is arranged in the middle of the bottom end of the mounting plate, a rotating rod is arranged at the top end of the mounting plate, and the output end of the driving motor is connected with the rotating rod. A rotating disc is arranged at the top end of the rotating rod, a storage disc is arranged at the top of the rotating disc, storage grooves are formed in the top end of the storage disc, a mounting groove is formed in the top end of the rotating disc, a plurality of projection welding nuts needing to be detected can be placed at the same time through the multiple storage grooves in the storage disc, and then the driving motor drives the rotating disc to rotate; the projection welding nuts are sequentially rotated to the bottoms of the pressing plates, then the air cylinders drive the pressing plates to descend, the pressing plates apply pressure to the projection welding nuts, the pressure sensors sense the real-time pressure and feed back the real-time pressure to the controller, whether the welding strength is qualified or not is judged according to the situation of the welding face, and the detection efficiency of the projection welding nuts is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of projection welding nuts, in particular to a detection device based on detecting the welding strength of projection welding nuts. Background Art

[0002] A projection weld nut is a fastener with a protruding welding head and combined into an ink-box shape. It has good load-bearing capacity and shock resistance. The structural feature of the projection weld nut is that its welding part protrudes to form an ink-box shape, and the thread is located at the top of the ink-box. During the production process, it is necessary to test the welding firmness of the projection weld nuts welded on the products.

[0003] When using existing projection weld nut welding strength testing equipment, most of the testing equipment cannot meet the requirements of timely testing at the production site due to its complex functions, high price and strict requirements on the working environment. In addition, the testing efficiency is low, which affects the production progress. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a detection device based on detecting the welding strength of projection welded nuts.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a detection device based on detecting the welding strength of projection welding nuts, comprising a mounting plate, the mounting plate, a driving motor is arranged in the middle of the bottom end of the mounting plate, a rotating rod is arranged at the top of the mounting plate, the output end of the driving motor is connected to the rotating rod, a rotating disk is arranged at the top of the rotating rod, a placing disk is arranged at the top of the rotating disk, a placing groove is arranged at the top of the placing disk, a mounting groove is arranged inside the top of the rotating disk, a double-axis motor is arranged in the middle of the mounting groove, and a bidirectional A screw rod, moving blocks are provided at both ends of the bidirectional screw rod, the moving block is threadedly connected to the bidirectional screw rod, a clamping block is provided on the moving block, connecting blocks are provided on both sides of the bottom end of the storage plate, a clamping groove is provided on one side of the connecting block, the connecting block is located in the mounting groove, one end of the clamping block is against the inside of the clamping groove, a fixing frame is provided on one side of the top end of the mounting plate, a cylinder is provided on the top of the fixing frame, a connecting plate is provided at one end of the cylinder, a pressure sensor is provided at the bottom end of the connecting plate, a pressure plate is provided at the bottom end of the pressure sensor, and a controller is provided on the side of the fixing frame.

[0008] Furthermore, the utility model is improved in that a plurality of placement grooves are provided and are evenly arranged on the storage tray, and the pressure plate is located directly above the placement grooves.

[0009] Furthermore, the utility model is improved in that sliding blocks are provided at both ends of the moving block, sliding grooves are provided on both sides of the installation groove, one end of the sliding block is provided inside the sliding groove, and the sliding block is fixedly connected to the moving block.

[0010] Furthermore, the utility model is improved in that a sliding block is arranged at the bottom of the rotating disk, a circular sliding groove is arranged inside the top of the mounting plate, and the sliding block is slidably arranged inside the sliding rail groove.

[0011] Furthermore, the utility model is improved in that the controller is electrically connected to the cylinder, the pressure sensor, the dual-axis motor and the drive motor.

[0012] Furthermore, the utility model is improved in that positioning rods are provided on both sides of the bottom end of the storage tray, positioning holes are provided inside on both sides of the top end of the rotating tray, and one end of the positioning rod is against the inside of the positioning hole.

[0013] Furthermore, the utility model is improved in that brackets are arranged on both sides of the bottom end of the mounting plate, the brackets are connected to the mounting plate by welding, and anti-skid pads are arranged on the brackets, and the anti-skid pads are made of rubber material.

[0014] Furthermore, the utility model is improved in that the mounting plate, the rotating disk, the storage disk and the fixing frame are all provided with an anti-corrosion layer.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a detection device based on detecting the welding strength of projection welded nuts, which has the following beneficial effects:

[0017] The detection device based on detecting the welding strength of projection welding nuts can simultaneously place multiple projection welding nuts that need to be detected through multiple placement slots on the placement plate, and then the driving motor drives the rotation of the rotating plate to make the projection welding nuts rotate to the bottom of the pressure plate in turn, and then the cylinder drives the pressure plate to descend, and the pressure plate is used to apply pressure to the projection welding nuts. The pressure sensor senses the real-time pressure and feeds back to the controller, and judges whether the welding strength is qualified according to the condition of the welding surface, thereby improving the detection efficiency of the projection welding nuts. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the partially disassembled structure;

[0020] Figure 3 For this utility model Figure 1 Schematic diagram of the structure of the center storage tray;

[0021] Figure 4 For this utility model Figure 1 A schematic diagram of the internal structure from a side view;

[0022] In the figure: 1. mounting plate; 2. bracket; 3. rotating disk; 4. storage plate; 5. placement slot; 6. fixing frame; 7. cylinder; 8. connecting plate; 9. pressure sensor; 10. pressure plate; 11. controller; 12. mounting slot; 13. dual-axis motor; 14. bidirectional screw; 15. moving block; 16. clamping block; 17. slide slot; 18. positioning hole; 19. positioning rod; 20. connecting block; 21. clamping slot; 22. driving motor; 23. sliding block. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 , a detection device based on detecting the welding strength of projection welding nuts, comprising a mounting plate 1, the mounting plate 1, a driving motor 22 is arranged in the middle of the bottom end of the mounting plate 1, a rotating rod is arranged at the top of the mounting plate 1, the output end of the driving motor 22 is connected to the rotating rod, a rotating disk 3 is arranged at the top of the rotating rod, a storage tray 4 is arranged at the top of the rotating disk 3, a placement slot 5 is arranged at the top of the storage tray 4, a mounting slot 12 is arranged inside the top of the rotating disk 3, a double-axis motor 13 is arranged in the middle of the mounting slot 12, a bidirectional screw 14 is arranged on the double-axis motor 13, moving blocks 15 are arranged at both ends of the bidirectional screw 14, the moving block 15 is threadedly connected to the bidirectional screw 14, a clamping block 16 is arranged on the moving block 15, the Connecting blocks 20 are provided on both sides of the bottom of the storage tray 4, and a card slot 21 is provided on one side of the connecting block 20. The connecting block 20 is located in the mounting slot 12, and one end of the card block 16 is against the inside of the card slot 21. A fixing frame 6 is provided on one side of the top of the mounting plate 1, and a cylinder 7 is provided on the top of the fixing frame 6. A connecting plate 8 is provided at one end of the cylinder 7, and a pressure sensor 9 is provided at the bottom of the connecting plate 8. A pressure plate 10 is provided at the bottom of the pressure sensor 9. A controller 11 is provided on the side of the fixing frame 6. There are multiple placement slots 5, which are evenly arranged on the storage tray 4. The pressure plate 10 is located directly above the placement slots 5. The controller 11 is electrically connected to the cylinder 7, the pressure sensor 9, the dual-axis motor 13 and the drive motor 22.

[0025] During the actual use of the above structure, the projection welding nuts to be tested are first placed in the placement groove 5 in sequence, and then the driving motor 22 is turned on. The driving motor 22 drives the rotating disk 3 through the rotating rod, so that the rotating disk 3 drives the placement disk 4 to rotate, so that the projection welding nuts in the placement groove 5 are rotated to the bottom of the pressing plate 10 in sequence, and then the cylinder 7 is turned on. The cylinder 7 drives the connecting plate 8 to descend, so that the connecting plate 8 drives the pressing plate 10, and the projection welding nuts are pressed by the pressing plate 10. The pressure sensor 9 senses the real-time pressure and feeds it back to the controller 11. According to the condition of the welding surface, it is judged whether the welding strength is qualified. Then the cylinder 7 drives the pressing plate 10 to rise. At this time, the rotating motor is turned on again. The rotating disk 3 is driven to rotate, so that the next projection welding nut rotates to the top of the pressure plate 10, and this is repeated in sequence, so that multiple projection welding nuts can be detected, the detection efficiency is improved, and the practicability is stronger. When detecting projection welding nuts of different sizes, it is necessary to replace the storage tray 4. During replacement, the dual-axis motor 13 is turned on to drive the bidirectional screw 14 to rotate, and the bidirectional screw 14 drives the moving block 15, so that the moving block 15 drives the clamping block 16, and the clamping block 16 exits the clamping slot 21. At this time, the connecting block 20 loses its limit, and then the storage tray 4 is removed from the rotating disk 3. Through the above structure, the storage tray 4 is more convenient to replace and disassemble, and it is convenient to replace storage trays 4 of different sizes.

[0026] In this embodiment, sliders are provided at both ends of the moving block 15, and slide grooves 17 are provided on both sides of the installation groove 12. One end of the slider is arranged inside the slide groove 17. The slider and the moving block 15 are fixedly connected, thereby improving the stability of the moving block 15 when sliding.

[0027] In this embodiment, a sliding block 23 is provided at the bottom of the rotating disk 3, and a circular sliding groove is provided in the top of the mounting plate 1. The sliding block 23 is slidably arranged inside the slide rail groove, thereby improving the stability of the rotating disk 3 during rotation.

[0028] In this embodiment, positioning rods 19 are provided on both sides of the bottom of the storage tray 4, and positioning holes 18 are provided inside the top sides of the rotating disk 3. One end of the positioning rod 19 abuts against the inside of the positioning hole 18 to facilitate the positioning and installation of the storage tray 4.

[0029] In this embodiment, brackets 2 are provided on both sides of the bottom end of the mounting plate 1. The brackets 2 are welded to the mounting plate 1. Anti-skid pads are provided on the brackets 2. The anti-skid pads are made of rubber material, which improves the anti-skid effect of the mounting plate 1 after it is placed.

[0030] In this embodiment, the mounting plate 1, the rotating disk 3, the storage disk 4 and the fixing frame 6 are all provided with an anti-corrosion layer, thereby improving the durability of the device itself.

[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 detection device based on detecting the welding strength of projection welded nuts, characterized in that: The invention comprises a mounting plate (1), wherein a driving motor (22) is arranged in the middle of the bottom end of the mounting plate (1), a rotating rod is arranged at the top end of the mounting plate (1), an output end of the driving motor (22) is connected to the rotating rod, a rotating disk (3) is arranged at the top end of the rotating rod, a storage disk (4) is arranged at the top of the rotating disk (3), a placement groove (5) is arranged at the top end of the storage disk (4), a mounting groove (12) is arranged inside the top end of the rotating disk (3), a double-axis motor (13) is arranged in the middle of the mounting groove (12), a bidirectional screw (14) is arranged on the double-axis motor (13), moving blocks (15) are arranged at both ends of the bidirectional screw (14), and the moving blocks (15) are connected to the bidirectional screw (14). The screw rod (14) is threadedly connected, a clamping block (16) is arranged on the moving block (15), connecting blocks (20) are arranged on both sides of the bottom end of the storage tray (4), a clamping groove (21) is arranged on one side of the connecting block (20), the connecting block (20) is located in the installation groove (12), one end of the clamping block (16) is against the inside of the clamping groove (21), a fixing frame (6) is arranged on one side of the top end of the installation plate (1), a cylinder (7) is arranged on the top of the fixing frame (6), a connecting plate (8) is arranged on one end of the cylinder (7), a pressure sensor (9) is arranged at the bottom end of the connecting plate (8), a pressure plate (10) is arranged at the bottom end of the pressure sensor (9), and a controller (11) is arranged on the side of the fixing frame (6).

2. The detection device for detecting the welding strength of projection welded nuts according to claim 1, characterized in that: The placement grooves (5) are provided in plurality and are evenly arranged on the placement tray (4), and the pressure plate (10) is located directly above the placement grooves (5).

3. The detection device for detecting the welding strength of projection welded nuts according to claim 2 is characterized in that: Slide blocks are provided at both ends of the moving block (15), slide blocks (17) are provided on both sides of the installation groove (12), one end of the slide block is arranged inside the slide block (17), and the slide block and the moving block (15) are fixedly connected.

4. The detection device for detecting the welding strength of projection welded nuts according to claim 3 is characterized in that: A sliding block (23) is arranged at the bottom of the rotating disk (3), a circular sliding groove is arranged inside the top of the mounting plate (1), and the sliding block (23) is slidably arranged inside the sliding rail groove.

5. The detection device for detecting the welding strength of projection welded nuts according to claim 4, characterized in that: The controller (11) is electrically connected to the cylinder (7), the pressure sensor (9), the dual-axis motor (13) and the drive motor (22).

6. The detection device for detecting the welding strength of projection welded nuts according to claim 5, characterized in that: Positioning rods (19) are arranged on both sides of the bottom end of the storage tray (4), and positioning holes (18) are arranged inside both sides of the top end of the rotating tray (3), and one end of the positioning rod (19) abuts against the inside of the positioning hole (18).

7. The detection device for detecting the welding strength of projection welded nuts according to claim 6, characterized in that: Brackets (2) are arranged on both sides of the bottom end of the mounting plate (1); the brackets (2) are connected to the mounting plate (1) by welding; and anti-skid pads are arranged on the brackets (2); the anti-skid pads are made of rubber material.

8. The detection device for detecting the welding strength of projection welded nuts according to claim 7, characterized in that: The mounting plate (1), the rotating disk (3), the storage disk (4) and the fixing frame (6) are all provided with an anti-corrosion layer.

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