A tensile testing machine for magnetic suction support

Abstract

The utility model discloses a kind of tension testing machines for magnetic suction support, including rack, the upper portion of rack is provided with protective cover, the lower portion of rack is provided with box, the middle part of rack is provided with operation platform, rotation workbench is rotatably installed on operation platform, operation platform is sequentially provided with feeding station, detection station and discharging station along the rotation direction of rotation workbench, detection station is provided with tension detection device, discharging station is provided with discharge device, rotation workbench is uniformly distributed with at least three circumferential movement test fixtures in circumferential direction, each test fixture is respectively corresponding with feeding station, detection station and discharging station. By rotation workbench, magnetic suction support is transported to each station one by one, feeding is carried out in feeding station, synchronous detection is carried out on detection station, synchronous material taking is carried out in discharging station, realize feeding, detection, material taking synchronous operation, improve test efficiency, can be suitable for all detection, improve factory qualified rate.

Description

Technical Field

[0001] This utility model relates to the field of magnetic support technology, and in particular to a tensile testing machine for magnetic supports. Background Technology

[0002] A magnetic holder is a stand used to secure electronic products such as mobile phones or tablets. It consists of a magnetic chuck with magnets, a base, and a connecting rod linking the chuck and base. The magnetic chuck holds the device in place by magnetic attraction between the magnets on the chuck and a metal plate or magnet on the electronic product, eliminating the need for clips or clamps and making it easy to remove. For magnetic holders, the magnetic strength of the chuck is a crucial performance indicator, directly affecting the product's usability and safety. Therefore, magnetic holders undergo tensile testing before leaving the factory to verify their magnetic strength. Traditional magnetic bracket tensile testing often relies on manual operation. After fixing the magnetic bracket, the maximum tensile force is measured by manually applying tension. However, it is difficult to maintain the direction of the tension perpendicular to the adsorption surface when manually applying tension, which can easily lead to force deviation and inaccurate tensile test results. In some cases, the magnetic brackets are manually fixed onto a traditional tensile testing machine one by one, and then tested one by one. Although this can solve the problems of accuracy and tension direction, the efficiency of testing one by one is low. It is only suitable for sampling inspection and cannot perform complete inspection. This results in some unqualified products still entering the market. Therefore, it is necessary to improve the method. Utility Model Content

[0003] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a tensile testing machine for magnetic brackets, which improves testing efficiency and accuracy, achieves automated testing, eliminates the need for manual judgment and sorting, automatically filters out unqualified products, tests all products, and improves the factory pass rate.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a tensile testing machine for magnetic support brackets, comprising a frame, a protective cover at the upper part of the frame, a housing at the lower part of the frame, an operating platform in the middle of the frame, and a rotary table rotatably mounted on the operating platform.

[0005] The operating platform is equipped with a loading station, an inspection station, and an unloading station arranged sequentially along the rotation direction of the rotary table. The inspection station is equipped with a tensile testing device, and the unloading station is equipped with a discharge device. At least three circumferentially moving test fixtures are evenly distributed on the rotary table, each corresponding to one of the loading, inspection, or unloading stations.

[0006] The tensile testing device is equipped with a testing slide that slides vertically on the frame. A tensile sensor is mounted on the testing slide, and the tensile sensor is connected to a test iron plate or test magnet for attracting a magnetic support.

[0007] The discharge device includes a discharge conveyor belt, an NG robot, and a discharge robot. The discharge conveyor belt is located on the side of the rotary table, the discharge robot is located on one side of the input end of the discharge conveyor belt, and the NG robot is located on one side of the output end of the discharge conveyor belt.

[0008] In a further technical solution, the tensile testing device is also equipped with a test drive mechanism and a magnetic mounting component. The testing slide is slidably mounted below the operating platform. The test drive mechanism is connected to the testing slide in a transmission manner. The lower end of the tensile sensor is connected to the testing slide, and the upper end is connected to the magnetic mounting component. The test iron sheet or the test magnet is fixedly mounted on the upper surface of the magnetic mounting component. The rotating worktable has upper test through holes corresponding to the positions of each test fixture. The operating platform has lower test through holes corresponding to the positions of the magnetic mounting components. The upper test through holes and lower test through holes are coaxially arranged when the device moves to the testing station.

[0009] In a further technical solution, the test drive mechanism includes a test linear module and a test drive motor. The test linear module is vertically fixedly installed below the operating platform. The test drive motor is connected to the test linear module in a transmission manner. The slider of the test linear module is slidably set up and down. The detection slide is fixedly installed on the slider of the test linear module.

[0010] In a further technical solution, the unloading robot includes a gantry frame, a transverse unloading linear module, an unloading drive motor, a gripper cylinder, and at least one unloading slide cylinder. The gantry frame is fixedly installed above the unloading conveyor belt, the transverse unloading linear module is fixedly installed on the upper part of the gantry frame, the unloading drive motor is connected to the transverse unloading linear module, the slider of the transverse unloading linear module reciprocates between the unloading conveyor belt and the rotary worktable, the unloading slide cylinder is fixedly installed on the slider of the transverse unloading linear module, and the gripper cylinder is fixedly installed on the unloading slide cylinder.

[0011] In a further technical solution, the unloading robot is also equipped with an unloading rotary cylinder. There are two unloading slide cylinders. The first unloading slide cylinder is fixedly installed on the slider of the transverse unloading linear module. The second unloading slide cylinder is fixedly installed on the first unloading slide cylinder. The unloading rotary cylinder is fixedly installed on the second unloading slide cylinder. The gripper cylinder is fixedly installed on the unloading rotary cylinder.

[0012] In a further technical solution, the NG robot includes an NG fixed frame, an NG slide cylinder, and an NG pusher plate. The NG fixed frame is fixedly installed above the discharge conveyor belt, the NG slide cylinder is fixedly installed on the upper part of the NG fixed frame, and the NG pusher plate is fixedly installed on the NG slide cylinder. The moving direction of the NG pusher plate is perpendicular to the conveying direction of the discharge conveyor belt.

[0013] In a further technical solution, the test fixture includes a disk fixing fixture, a base fixing fixture, a pressure block, and a fixture slide cylinder. The disk fixing fixture and the base fixing fixture are respectively fixedly installed on the rotary worktable. The disk fixing fixture has a positioning hole that penetrates vertically through the disk fixing fixture. The positioning hole is coaxially arranged with the upper test through hole. The inner wall of the positioning hole is provided with a limit step. The base fixing fixture is located on the side of the disk fixing fixture. The base fixing fixture has a positioning groove with an upward opening. The fixture slide cylinder is vertically installed on the rotary worktable. The pressure block is fixedly installed on the slider of the fixture slide cylinder and is located above the disk fixing fixture. The pressure block moves towards and away from the disk fixing fixture.

[0014] In a further technical solution, four test fixtures are evenly distributed along the circumference on the rotating worktable, with two test fixtures corresponding to each other.

[0015] In a further technical solution, a loading sensor is provided at the loading station corresponding to the position of the upper test hole, and a unloading sensor is provided at the unloading station. The sensing end of the unloading sensor faces the test fixture located at the unloading station, and an NG sensor is provided on the discharge conveyor belt corresponding to the position of the NG robot.

[0016] In a further technical solution, the tensile testing machine is also equipped with a barcode scanner.

[0017] The advantages of this invention compared to existing technologies using the above structure are as follows: The magnetic brackets are transported one by one to each workstation via a rotating worktable. Loading is performed at the loading station, simultaneous testing at the testing station, and simultaneous unloading at the unloading station, achieving synchronized loading, testing, and unloading, thus improving testing efficiency. It is applicable to all testing procedures and increases the factory pass rate. During testing, a test iron sheet or test magnet simulates the electronic product requiring fixation. The test fixture fixes the magnetic bracket, and the testing slide moves towards the magnetic bracket until the magnetic bracket is magnetically connected to the test iron sheet or test magnet. The testing slide then reverses direction. The magnetic bracket is moved until it separates from the test iron sheet or test magnet. The tension sensor detects the change in tension, obtains the maximum tension value, and determines whether the tension value is within the acceptable range. After testing, the magnetic bracket is transported to the unloading station by a rotary table. The unloading robot automatically grabs the tested magnetic bracket and transfers it to the unloading conveyor belt. When the magnetic bracket is a qualified product, the NG robot does not operate. When the magnetic bracket is a defective product, the NG robot pushes the magnetic bracket to the side of the unloading conveyor belt, thereby automatically picking up and sorting the material. No manual picking and sorting is required, making the operation convenient and highly automated. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is the utility model Figure 1 Enlarged view of part A;

[0021] Figure 3 This is a schematic diagram of the structure of the concealed protective cover of this utility model;

[0022] Figure 4 This is the utility model Figure 3 Enlarged view of part B;

[0023] Figure 5 This is a cross-sectional view of the concealed protective cover and the box body of this utility model;

[0024] Figure 6 This is a schematic diagram of the gripper cylinder, discharge slide cylinder, and discharge rotary cylinder of the discharge robot of this utility model.

[0025] In the picture:

[0026] 1. Operating platform; 11. Loading station; 12. Inspection station; 121. Lower test piercing; 13. Unloading station;

[0027] 2. Rotary worktable; 21. Test perforation;

[0028] 3. Tensile testing device, 31. Testing slide, 32. Tensile sensor, 33. Testing magnet, 34. Magnetic mounting component, 35. Testing drive mechanism, 351. Testing linear module, 352. Testing drive motor;

[0029] 4. Discharge device, 41. Discharge conveyor belt, 42NG robot arm, 421NG fixed frame, 422NG slide cylinder, 423NG pusher plate, 43. Discharge robot arm, 431 gantry frame, 432 transverse discharge linear module, 433 discharge drive motor, 434 gripper cylinder, 435 discharge slide cylinder, 436 discharge rotary cylinder;

[0030] 5 Test fixture, 51 Disk fixing fixture, 511 Positioning hole, 512 Limiting step, 52 Base fixing fixture, 521 Positioning groove, 53 Pressure block, 54 Fixture slide cylinder;

[0031] 62 Feed sensor, 63NG sensor;

[0032] 7. Barcode scanners;

[0033] 81 Protective cover, 82 Box body. Detailed Implementation

[0034] The following are merely preferred embodiments of the present invention and do not limit the scope of protection of the present invention.

[0035] A tensile testing machine for magnetic brackets, such as Figures 1 to 6 As shown, the device includes a frame, with a protective cover 81 on the upper part of the frame to protect the internal structure of the equipment and the safety of operators. One side of the protective cover 81 has an opening for easy loading and unloading, and an electronic barrier is installed at the opening to improve safety. The lower part of the frame has a housing 82, which houses electrical components and control devices. The control devices include a PLC, and all actuators are connected to the PLC for automated control and judgment. An operating platform 1 is located in the middle of the frame, and a rotary worktable 2 is rotatably mounted on the operating platform 1. The rotary worktable 2 is driven by a drive motor through a pulley transmission structure. Along the rotation direction of the rotary worktable 2, the operating platform 1 has a loading station 11, a detection station 12, and a... The unloading station 13 and the testing station 12 are equipped with tensile testing devices 3 and unloading station 13 is equipped with a discharge device 4. At least three test fixtures 5 that move circumferentially are evenly distributed on the rotary table 2. Each test fixture 5 corresponds to the loading station 11, the testing station 12 and the unloading station 13 respectively. By rotating the rotary table 2, each test fixture 5 is driven to pass through each station in sequence. The tensile testing device 3 is equipped with a testing slide 31 that slides up and down on the frame. A tensile sensor 32 is installed on the testing slide 31. The tensile sensor 32 is connected to a test iron sheet or a test magnet 33 for adsorbing the magnetic bracket. Different adsorption scenarios are simulated by setting the test iron sheet or the test magnet 33. The discharge device 4 includes a discharge conveyor belt 41, an NG robot 42, and a discharge robot 43. The discharge conveyor belt 41 is located on the side of the rotary table 2, the discharge robot 43 is located on one side of the input end of the discharge conveyor belt 41, and the NG robot 42 is located on one side of the output end of the discharge conveyor belt 41.

[0036] Traditional tensile testing machines require clamping and testing magnetic supports one by one, which is cumbersome and inefficient. This invention, however, uses a rotating worktable 2 to transport the magnetic supports one by one to various stations. Loading occurs at the loading station 11, simultaneous testing at the testing station 12, and simultaneous unloading at the unloading station 13. This synchronized loading, testing, and unloading improves testing efficiency, is applicable to all tests, and increases the factory pass rate. During testing, a test iron sheet or test magnet 33 simulates an electronic product requiring fixation. The test fixture 5 fixes the magnetic support, and the test slide 31 moves towards the magnetic support until the magnetic support is magnetically connected to the test iron sheet or test magnet 33. The slide 31 moves in the reverse direction until the magnetic bracket separates from the test iron piece or test magnet 33. The tension sensor 32 detects the change in tension, obtains the maximum tension value, and determines whether the tension value is within the acceptable range. After testing, the magnetic bracket is transported by the rotary table 2 to the unloading station 13. The unloading robot 43 automatically grabs the tested magnetic bracket and transfers it to the unloading conveyor belt 41. When the magnetic bracket is a qualified product, the NG robot 42 does not operate. When the magnetic bracket is an unqualified product, the NG robot 42 pushes the magnetic bracket to the side of the unloading conveyor belt 41, thereby automatically picking up the material and completing the sorting. No manual picking and sorting is required, making the operation convenient and highly automated.

[0037] Specifically, such as Figure 5 As shown, the tensile testing device 3 is also equipped with a test drive mechanism 35 and a magnetic mounting component 34. The test slide 31 is slidably mounted below the operating platform 1. The test drive mechanism 35 is connected to the test slide 31. The lower end of the tensile sensor 32 is connected to the test slide 31 and the upper end is connected to the magnetic mounting component 34. The test iron sheet or test magnet 33 is fixedly mounted on the upper surface of the magnetic mounting component 34. The rotating worktable 2 is provided with upper test through holes 21 corresponding to the positions of each test fixture 5. The operating platform 1 is provided with lower test through holes 121 corresponding to the positions of the magnetic mounting component 34. The upper test through holes 21 and lower test through holes 121 are coaxially arranged when the device moves to the testing station 12. The tensile testing device 3 is located below the operating platform 1 and inside the housing 82, reducing the space occupied above the operating platform 1, reducing the overall size of the machine, and eliminating the need for moving mechanisms on the side of the loading station 11, thus reducing the risk during loading, improving safety, and also protecting the tensile testing device 3 and reducing the failure rate. During testing, the testing drive mechanism 35 drives the testing slide 31 to move upward, and the testing iron piece or testing magnet 33 passes through the lower testing hole 121 and the upper testing hole 21 in sequence to be magnetically connected to the magnetic bracket. The testing drive mechanism 35 drives the testing slide 31 to move downward until the testing iron piece or testing magnet 33 separates from the magnetic bracket, and the maximum tensile force value is obtained by the tensile sensor 32.

[0038] Specifically, the test drive mechanism 35 includes a test linear module 351 and a test drive motor 352. The test linear module 351 is vertically fixedly installed below the operating platform 1. The test drive motor 352 is connected to the test linear module 351 via a transmission connection. The slider of the test linear module 351 is set to slide up and down. The detection slide 31 is fixedly installed on the slider of the test linear module 351. The test drive mechanism 35 can automatically control the forward or reverse drive of the test drive mechanism 35 by the change in the value of the tension sensor 32 or by whether the test drive motor 352 is stalled, thus achieving automated control.

[0039] Specifically, such as Figures 3 to 6 As shown, the unloading robot 43 includes a gantry frame 431, a transverse unloading linear module 432, an unloading drive motor 433, a gripper cylinder 434, and at least one unloading slide cylinder 435. The gantry frame 431 is fixedly installed above the unloading conveyor belt 41, and the transverse unloading linear module 432 is fixedly installed on the upper part of the gantry frame 431. The unloading drive motor 433 is connected to the transverse unloading linear module 432 for transmission. The slider of the transverse unloading linear module 432 reciprocates between the unloading conveyor belt 41 and the rotary worktable 2. The unloading slide cylinder 435 is fixedly installed on the slider of the transverse unloading linear module 432, and the gripper cylinder 434 is fixedly installed on the unloading slide cylinder 435. The gantry frame 431 spans the discharge conveyor belt 41 and the unloading station 13. The discharge drive motor 433 drives the gripper cylinder 434 to reciprocate between the discharge conveyor belt 41 and the test fixture 5 corresponding to the unloading station 13. In conjunction with the discharge slide cylinder 435, the gripper cylinder 434 is driven to lift and lower. Thus, the connecting rod of the magnetic bracket is gripped by the gripper cylinder 434 and transferred to the discharge conveyor belt 41. There is no need for a complicated multi-axis robot to plan the path and grasp. The structure is simple, the cost is low and it is easy to maintain.

[0040] Specifically, such as Figure 6As shown, the unloading robot 43 is also equipped with an unloading rotary cylinder 436 and two unloading slide cylinders 435. The first unloading slide cylinder 435 is fixedly installed on the slider of the horizontal unloading linear module 432, the second unloading slide cylinder 435 is fixedly installed on the first unloading slide cylinder 435, the unloading rotary cylinder 436 is fixedly installed on the second unloading slide cylinder 435, and the gripper cylinder 434 is fixedly installed on the unloading rotary cylinder 436. Because the magnetic support needs to be placed in a horizontal position with the magnetic chuck facing down during testing, the gripper cylinder 434 grasps the connecting rod of the magnetic support. After being transferred to the discharge conveyor belt 41, it remains in a horizontal position. However, the discharge conveyor belt 41 lacks clamps for fixation, which could easily cause the magnetic support to fall, especially for magnetic supports with a circular base. Therefore, a discharge rotation cylinder 436 is used to rotate the magnetic support by 90 degrees, so that the magnetic support is placed in an upright position with the base facing down after being transferred to the discharge conveyor belt 41, preventing the magnetic support from falling. By setting two discharge slide cylinders 435, a dual-drive stroke can be formed. After gripping, one discharge slide cylinder 435 drives the gripper cylinder 434 to rise, which then triggers the other discharge slide cylinder 435 and the discharge rotation cylinder 436 to work simultaneously, achieving simultaneous rising and rotation, improving work efficiency.

[0041] Specifically, such as Figures 3 to 5 As shown, the NG robot 42 includes an NG fixed frame 421, an NG slide cylinder 422, and an NG pusher plate 423. The NG fixed frame 421 is fixedly installed above the discharge conveyor belt 41, the NG slide cylinder 422 is fixedly installed on the upper part of the NG fixed frame 421, and the NG pusher plate 423 is fixedly installed on the NG slide cylinder 422. The moving direction of the NG pusher plate 423 is perpendicular to the conveying direction of the discharge conveyor belt 41. After the tensile testing device 3 determines that a product is unqualified, it distinguishes between qualified and unqualified products according to their operational sequence. When a qualified magnetic bracket moves to the NG robot 42, the NG robot 42 does not perform any action, and the qualified magnetic bracket will be directly moved out from the output end of the discharge conveyor belt 41. When an unqualified magnetic bracket moves to the NG robot 42, the NG slide cylinder 422 drives the NG pusher plate 423 to move vertically along the conveying direction of the discharge conveyor belt 41. The NG pusher plate 423 then pushes the unqualified magnetic bracket to the side of the discharge conveyor belt 41, thereby distributing qualified and unqualified magnetic brackets in different positions to achieve automatic sorting without the need for manual sorting, thus improving sorting accuracy and efficiency.

[0042] Specifically, such as Figures 2 to 4As shown, the test fixture 5 includes a disk fixing fixture 51, a base fixing fixture 52, a pressure block 53, and a fixture slide cylinder 54. The disk fixing fixture 51 and the base fixing fixture 52 are respectively fixedly installed on the rotary table 2. The disk fixing fixture 51 has a vertically penetrating positioning hole 511, which is coaxial with the upper test through hole 21. The inner wall of the positioning hole 511 is provided with a limiting step 512. The base fixing fixture 52 is located on the side of the disk fixing fixture 51. The base fixing fixture 52 has an upward-facing positioning groove 521. The fixture slide cylinder 54 is vertically installed on the rotary table 2. The pressure block 53 is fixedly installed on the slider of the fixture slide cylinder 54 and is located above the disk fixing fixture 51. The pressure block 53 moves towards and away from the disk fixing fixture 51. The disk fixing fixture 51 is used to position the magnetic chuck of the magnetic bracket, while the base fixing fixture 52 is used to position the base of the magnetic bracket. During loading, the magnetic chuck of the magnetic bracket is inserted into the positioning hole 511, and the base of the magnetic bracket is inserted into the positioning groove 521. The clamp slide cylinder 54 drives the pressure block 53 to move downward and press against the magnetic chuck of the magnetic bracket, thereby clamping and fixing the magnetic chuck of the magnetic bracket between the pressure block 53 and the limiting step 512. The positioning structure is simple and low in cost. It only requires manual placement and does not require manual operation for fixing. Of course, a robotic arm can be added for automatic loading to achieve fully unmanned operation.

[0043] Specifically, four test fixtures 5 are evenly distributed along the circumference of the rotary worktable 2, with two test fixtures 5 corresponding to each other. The rotary worktable 2 is equipped with four test fixtures 5, allowing two magnetic supports to be placed simultaneously during loading, thereby improving loading efficiency.

[0044] Specifically, a loading sensor (not shown in the figure) is installed at the loading station 11 corresponding to the position of the test perforation 21, and a loading sensor 62 is installed at the unloading station 13. The sensing end of the loading sensor 62 faces the test fixture 5 located at the unloading station 13. An NG sensor 63 is installed at the position of the discharge conveyor belt 41 corresponding to the NG robot 42. The loading sensor senses whether loading is complete, thereby automatically proceeding to the next operation or serving a safety protection purpose. The next action is only allowed after the loading sensor senses that loading has been completed. The unloading sensor 62 detects whether there is a magnetic support on the test fixture 5 located at the unloading station 13. If there is, the discharge robot 43 is automatically controlled to pick up the material. The NG sensor 63 is used to sense whether there is a magnetic support at the position of the discharge conveyor belt 41 corresponding to the NG push plate 423. When there is a magnetic support and the magnetic support is marked as unqualified, the NG slide cylinder 422 is automatically controlled to work and sort out the unqualified magnetic support, thereby forming an automated operation process. The operating platform 1 has a through hole corresponding to the loading station 11. This through hole is coaxially arranged with the lower test through hole 121 located at the loading station 11. The loading sensor is installed in this through hole to directly detect the positioning hole 511. The loading sensor, unloading sensor 62 and NG sensor 63 are all photoelectric sensors.

[0045] Specifically, such as Figure 1 As shown, the tensile testing machine is also equipped with a barcode scanner 7. Before loading the material, the barcode scanner 7 scans the QR code or barcode on the magnetic bracket to record product information for easy traceability.

[0046] The working process of this utility model is as follows:

[0047] The operator uses barcode scanner 7 to scan the magnetic bracket and record the product information.

[0048] The magnetic bracket is placed on the test fixture 5 at the loading station 11. The positioning hole 511 of the disk fixing fixture 51 positions the disk part of the magnetic bracket, and the positioning groove 521 of the base fixing fixture 52 positions the base part. After the loading sensor detects that there is material, the fixture slide cylinder 54 drives the pressure block 53 to move downward and press the magnetic bracket.

[0049] The rotating worktable 2 rotates 90 degrees, bringing the test fixture 5 with the magnetic bracket to the testing station 12.

[0050] The test drive mechanism 35 drives the detection slide 31 to move upward, causing the test iron piece or test magnet 33 on the magnetic mounting component 34 to pass through the lower test hole 121 and the upper test hole 21 in sequence, and to be attracted to the magnetic bracket. Then the test drive mechanism 35 drives the detection slide 31 to move downward, and the tension sensor 32 detects the tension borne by the magnetic bracket and transmits the detection data to the control device.

[0051] After the test is completed, the rotary table 2 continues to rotate, bringing the test fixture 5 to the unloading station 13.

[0052] After the material sensor 62 detects the presence of material, the clamp slide cylinder 54 drives the pressure block 53 to move upward, releasing the magnetic support.

[0053] The discharge slide cylinder 435 of the discharge robot 43 drives the gripper cylinder 434 to move downward, and the gripper cylinder 434 grabs the magnetic bracket. The discharge slide cylinder 435 drives the gripper cylinder 434 to move upward, and at the same time the discharge rotary cylinder 436 drives the gripper cylinder 434 to rotate 90 degrees, so that the magnetic bracket is in an upright position. The horizontal discharge linear module 432 places it on the discharge conveyor belt 41.

[0054] NG sensor 63 detects whether a magnetic support has moved to the position of NG robot 42. When a magnetic support is detected and the magnetic support is qualified, NG robot 42 does not work and the magnetic support is output from the output end of material conveyor belt 41. When the magnetic support is unqualified, NG slide cylinder 422 drives NG pusher plate 423 to move and push it away from the discharge conveyor belt 41.

[0055] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A tensile testing machine for magnetic brackets, comprising a frame, a protective cover (81) on the upper part of the frame, a housing (82) on the lower part of the frame, and an operating platform (1) in the middle of the frame, characterized in that: A rotary worktable (2) is rotatably mounted on the operating platform (1). The operating platform (1) is provided with a loading station (11), a testing station (12), and a unloading station (13) in sequence along the rotation direction of the rotary worktable (2). The testing station (12) is equipped with a tensile testing device (3), and the unloading station (13) is equipped with a discharge device (4). At least three test fixtures (5) that move circumferentially are evenly distributed on the rotary worktable (2) along the circumferential direction. Each test fixture (5) corresponds to the loading station (11), the testing station (12), and the unloading station (13), respectively. The tensile testing device (3) is equipped with a testing slide (31) that slides up and down on the frame. A tensile sensor (32) is installed on the testing slide (31). The tensile sensor (32) is connected to a test iron plate or test magnet (33) for adsorbing the magnetic bracket. The discharge device (4) includes a discharge conveyor belt (41), an NG robot (42) and a discharge robot (43). The discharge conveyor belt (41) is located on the side of the rotary table (2), the discharge robot (43) is located on one side of the input end of the discharge conveyor belt (41), and the NG robot (42) is located on one side of the output end of the discharge conveyor belt (41).

2. The tensile testing machine for magnetic brackets according to claim 1, characterized in that: The tensile testing device (3) is also provided with a test drive mechanism (35) and a magnetic mounting component (34). The test slide (31) is slidably mounted below the operating platform (1). The test drive mechanism (35) is connected to the test slide (31) in a transmission connection. The lower end of the tensile sensor (32) is connected to the test slide (31), and the upper end is connected to the magnetic mounting component (34). The test iron sheet or the test magnet (33) is fixedly mounted on the upper surface of the magnetic mounting component (34). The rotating worktable (2) is provided with upper test through holes (21) corresponding to the positions of each test fixture (5). The operating platform (1) is provided with a lower test through hole (121) corresponding to the position of the magnetic mounting component (34). The upper test through hole (21) and the lower test through hole (121) are coaxially arranged when the device moves to the testing station (12).

3. A tensile testing machine for a magnetic support according to claim 2, characterized in that: The test drive mechanism (35) includes a test linear module (351) and a test drive motor (352). The test linear module (351) is vertically fixedly installed below the operating platform (1). The test drive motor (352) is connected to the test linear module (351) in a transmission manner. The slider of the test linear module (351) is set to slide up and down. The detection slide (31) is fixedly installed on the slider of the test linear module (351).

4. A tensile testing machine for a magnetic support according to claim 1, characterized in that: The discharge robot (43) includes a gantry frame (431), a transverse discharge linear module (432), a discharge drive motor (433), a gripper cylinder (434), and at least one discharge slide cylinder (435). The gantry frame (431) is fixedly installed above the discharge conveyor belt (41). The transverse discharge linear module (432) is fixedly installed on the upper part of the gantry frame (431). The discharge drive motor (433) is connected to the transverse discharge linear module (432) for transmission. The slider of the transverse discharge linear module (432) reciprocates between the discharge conveyor belt (41) and the rotary worktable (2). The discharge slide cylinder (435) is fixedly installed on the slider of the transverse discharge linear module (432). The gripper cylinder (434) is fixedly installed on the discharge slide cylinder (435).

5. A tensile testing machine for a magnetic support according to claim 4, characterized in that: The discharge robot (43) is also equipped with a discharge rotary cylinder (436), and there are two discharge slide cylinders (435). The first discharge slide cylinder (435) is fixedly installed on the slider of the transverse discharge linear module (432), the second discharge slide cylinder (435) is fixedly installed on the first discharge slide cylinder (435), the discharge rotary cylinder (436) is fixedly installed on the second discharge slide cylinder (435), and the gripper cylinder (434) is fixedly installed on the discharge rotary cylinder (436).

6. A tensile testing machine for a magnetic support according to claim 1, characterized in that: The NG robot (42) includes an NG fixed frame (421), an NG slide cylinder (422), and an NG pusher plate (423). The NG fixed frame (421) is fixedly installed above the discharge conveyor belt (41). The NG slide cylinder (422) is fixedly installed on the upper part of the NG fixed frame (421). The NG pusher plate (423) is fixedly installed on the NG slide cylinder (422). The moving direction of the NG pusher plate (423) is perpendicular to the conveying direction of the discharge conveyor belt (41).

7. A tensile testing machine for a magnetic support according to claim 2, characterized in that: The test fixture (5) includes a disk fixing fixture (51), a base fixing fixture (52), a pressure block (53), and a fixture slide cylinder (54). The disk fixing fixture (51) and the base fixing fixture (52) are respectively fixedly installed on the rotary worktable (2). The disk fixing fixture (51) has a vertically penetrating positioning hole (511). The positioning hole (511) is coaxially arranged with the upper test through hole (21). The inner wall is provided with a limiting step (512), the base fixing fixture (52) is located on the side of the disk fixing fixture (51), the base fixing fixture (52) has an upward-facing positioning groove (521), the clamp slide cylinder (54) is vertically installed on the rotary worktable (2), the pressure block (53) is fixedly installed on the slider of the clamp slide cylinder (54) and located above the disk fixing fixture (51), and the pressure block (53) moves towards and away from the disk fixing fixture (51).

8. A tensile testing machine for a magnetic support according to claim 7, characterized in that: Four test fixtures (5) are evenly distributed along the circumference on the rotary worktable (2), with two test fixtures (5) corresponding to each other.

9. A tensile testing machine for a magnetic support according to claim 2, characterized in that: The loading station (11) is equipped with a loading sensor corresponding to the position of the upper test hole (21), the unloading station (13) is equipped with an unloading sensor (62), the sensing end of the unloading sensor (62) faces the test fixture (5) located at the unloading station (13), and the discharge conveyor belt (41) is equipped with an NG sensor (63) corresponding to the position of the NG robot (42).

10. A tensile testing machine for a magnetic support according to claim 1, characterized in that: The tensile testing machine is also equipped with a barcode scanner (7).

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