Flat hardware resistor conduction testing device

Abstract

The utility model provides a flat hardware resistance conduction testing device, and relates to the conduction testing device field, the flat hardware resistance conduction testing device comprises a work bench, the work bench is provided with a pressing device through a support frame, the top of the work bench is provided with a shape jig, and the shape jig comprises a lower die arranged on the top of the work bench; a plurality of first elastic pieces are mounted on the lower die, an upper die is jointly mounted on the first elastic pieces, the distance between the upper die and the lower die can be adjusted through the first elastic pieces, a plurality of test needles are mounted on the lower die, and a plurality of through holes for the plurality of test needles to penetrate through are formed in the upper die; second elastic pieces are arranged at the two transverse ends and the two longitudinal ends of the upper die, one end of each second elastic piece is a movable end, a positioning plate is installed at the movable end, and the top of each positioning plate is an inclined guide face facing the upper die.

Description

Technical Field

[0001] This utility model relates to the field of continuity testing devices, and in particular to a resistance continuity testing device for flat metal parts. Background Technology

[0002] With the rapid development of the consumer electronics industry, especially the ever-expanding market for smartphones and tablets, the requirements for product quality are becoming increasingly stringent. In the manufacturing process of these devices, continuity testing is one of the key steps to ensure correct circuit connections, directly affecting product performance and user experience. The importance of a tablet continuity testing device, as a specialized instrument for testing the continuity of internal circuits in the frame of mobile phones, tablets, or other consumer electronic components, is self-evident.

[0003] Commonly used continuity testing devices for flat metal parts on the market mainly use two methods: one is to use a continuity testing probe, and the other is to use a multimeter. Continuity measurement devices are convenient and provide clear data, while multimeters are inexpensive. However, existing continuity testing devices or multimeters are relatively inefficient. Therefore, multi-point simultaneous testing devices have emerged in the current technology. When using this device, the product is placed on a workbench, and multi-point testing is achieved by comparing the product with the test probes on the workbench, thereby improving testing efficiency. However, when using this type of testing device, since the product needs to be aligned with the test probes, manual placement may require multiple adjustments to the product's position, making the operation cumbersome.

[0004] Therefore, it is necessary to provide a new device for testing the resistance and continuity of flat metal parts to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a resistance continuity testing device for flat metal parts.

[0006] The resistance and continuity testing device for flat metal parts provided by this utility model includes a workbench. A pressing device is installed on the workbench via a support frame. A shape fixture is installed on the top of the workbench. The shape fixture includes a lower mold installed on the top of the workbench. Multiple first elastic elements are installed on the lower mold. An upper mold is installed on the multiple first elastic elements. The distance between the upper mold and the lower mold can be adjusted by the first elastic elements. Multiple test pins are installed on the lower mold. Multiple through holes are opened on the upper mold for the multiple test pins to pass through. Second elastic elements are provided at both the horizontal and vertical ends of the upper mold. One end of the second elastic element is a movable end. A positioning plate is installed on the movable end. The top of the positioning plate is an inclined guide surface facing the upper mold.

[0007] Preferably, the first elastic element includes a grommet screw and a first spring. The grommet screw is threadedly connected to the inner wall of the through hole in the lower mold, and the two ends of the first spring are respectively fixedly connected to the top of the grommet screw and the bottom of the upper mold.

[0008] Preferably, the second elastic element includes a sleeve, a sliding plate, and a second spring. One end of the sleeve is fixedly connected to the side wall of the upper mold, one end of the sliding plate is slidably disposed inside the sleeve, and the other end of the sliding plate is fixedly connected to the positioning plate. The two ends of the second spring are respectively fixedly connected to the bottom wall of the inner cavity of the sleeve and the sliding plate.

[0009] Preferably, the pressing device includes a cylinder, a pressing plate, and a guide post. The cylinder is installed on the top wall of the support frame, and the telescopic end of the cylinder is fixedly connected to the pressing plate. The guide post is fixedly connected to the pressing plate and moves through the top wall of the support frame.

[0010] Preferably, the lower mold is further equipped with multiple guide rods, which are respectively movably inserted into multiple through holes opened in the upper mold.

[0011] Preferably, two extrusion blocks are fixedly connected to both ends of the lower die in the horizontal direction. One end of the extrusion block is an inclined surface. Two oppositely arranged latching devices are installed on the worktable. The latching devices limit the lower die by the extrusion blocks on the lower die.

[0012] Preferably, the buckling device includes a connecting plate and two buckling components. The connecting plate is fixedly connected to the workbench, and the two buckling components are respectively installed at both ends of the connecting plate.

[0013] Preferably, the buckle includes a vertical plate and a third spring. The vertical plate is fixedly connected to the connecting plate. A movable column is movably inserted into the vertical plate. One end of the movable column is an inclined surface, which is adapted to the inclined surface of the pressing block. The other end of the movable column is fixedly connected to a base plate. The two ends of the third spring are respectively fixedly connected to the vertical plate and the base plate.

[0014] Preferably, a control panel is also installed on the top of the support frame, and a human-machine interface is provided on one side of the control panel. A buzzer, an emergency stop button, a signal light, an indicator light, a start switch, a time relay, a PRC control box, and a safety light curtain sensor are also installed on the workbench.

[0015] Compared with related technologies, the flat metal component resistance continuity testing device provided by this utility model has the following advantages:

[0016] 1. When the product shifts to one side during placement, the product will press against the guide surface on that side, which in turn presses against the positioning plate. The second spring on that side will then stretch. At this point, the operator can feel the effect of the positioning plate and adjust the product's position to facilitate the alignment of the product.

[0017] 2. When using this device, the position of the first spring can be adjusted according to the needs of use. By turning the nut screw with a screwdriver, the position of the first spring will change, and the distance between the upper and lower molds will change. Attached Figure Description

[0018] Figure 1 A schematic diagram of the resistance and continuity testing device for flat metal parts provided by this utility model;

[0019] Figure 2 for Figure 1 The diagram shows the structure of the workbench and the shape fixture.

[0020] Figure 3 for Figure 2 A schematic diagram of a partial decomposition of the structure shown;

[0021] Figure 4 for Figure 1 The diagram shows the disassembled structure of the upper and lower molds.

[0022] Figure 5 for Figure 4 The diagram shows the structure of the first spring and the nut screw.

[0023] Figure 6 for Figure 3 The diagram shows the structure of the second elastic element and the positioning plate.

[0024] Figure 7 for Figure 3 The diagram shows the structure of the snap-fit ​​component.

[0025] The diagram is labeled as follows: 1. Workbench; 2. Cylinder; 3. Guide post; 4. Pressing plate; 5. Lower mold; 6. Upper mold; 7. First spring; 8. Guide rod; 9. Measuring screw; 10. Test probe; 11. Sleeve; 12. Second spring; 13. Slide plate; 14. Positioning plate; 15. Guide surface; 16. Extrusion block; 17. Connecting plate; 18. Movable column; 19. Third spring; 20. Vertical plate; 21. Base plate; 22. Control panel; 23. Buzzer; 24. Emergency stop button; 25. Indicator light; 26. LED indicator light; 27. Start switch; 28. Time relay; 29. ​​Support frame; 30. PRC control box; 31. Safety light curtain sensor; 32. Human-machine interface. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0027] Please refer to the following: Figures 1-7 ,in, Figure 1 A schematic diagram of the resistance and continuity testing device for flat metal parts provided by this utility model; Figure 2 for Figure 1 The diagram shows the structure of the workbench and the shape fixture.

[0028] Figure 3 for Figure 2 A schematic diagram of a partial decomposition of the structure shown; Figure 4 for Figure 1 The diagram shows the disassembled structure of the upper and lower molds. Figure 5 for Figure 4 The diagram shows the structure of the first spring and the nut screw.

[0029] Figure 6 for Figure 3 The diagram shows the structure of the second elastic element and the positioning plate. Figure 7 for Figure 3 The diagram shows the structure of the snap-fit ​​component.

[0030] In the specific implementation process, such as Figures 1-7 As shown, the device includes a workbench 1, on which a pressing device is mounted via a support frame 29. A shaping fixture is mounted on the top of the workbench 1. The shaping fixture includes a lower mold 5 mounted on the top of the workbench 1. Multiple first elastic elements are mounted on the lower mold 5. An upper mold 6 is mounted on the multiple first elastic elements. The distance between the upper mold 6 and the lower mold 5 can be adjusted by the first elastic elements. Multiple test pins 10 are mounted on the lower mold 5. A spring is provided at the bottom of the test pin 10 to provide automatic compensation. Multiple through holes are provided on the upper mold 6 for the multiple test pins 10 to pass through. Multiple guide rods 8 are also mounted on the lower mold 5. The multiple guide rods 8 are movably inserted into the multiple through holes provided on the upper mold 6. Second elastic elements are provided at both the horizontal and vertical ends of the upper mold 6. One end of the second elastic element is a movable end. A positioning plate 14 is mounted on the movable end. The top of the positioning plate 14 is an inclined guide surface 15 facing the upper mold 6.

[0031] The first elastic element includes a grommet screw 9 and a first spring 7. The grommet screw 9 is threaded to the inner wall of the through hole in the lower mold 5. The two ends of the first spring 7 are fixedly connected to the top of the grommet screw 9 and the bottom of the upper mold 6, respectively. The position of the first spring 7 can be adjusted according to the needs of use. By rotating the grommet screw 9 with a screwdriver, the position of the first spring 7 is changed, and the distance between the upper mold 6 and the lower mold 5 changes. The spring force is controlled by the grommet screw 9.

[0032] The second elastic element includes a sleeve 11, a sliding plate 13, and a second spring 12. One end of the sleeve 11 is fixedly connected to the side wall of the upper mold 6. One end of the sliding plate 13 is slidably disposed inside the sleeve 11. The other end of the sliding plate 13 is fixedly connected to the positioning plate 14. The two ends of the second spring 12 are respectively fixedly connected to the bottom wall of the inner cavity of the sleeve 11 and the sliding plate 13. When the product shifts to one side during placement, the product will press the guide surface 15 on that side, which will press the positioning plate 14. The second spring 12 on that side will be stretched. At this time, the operator can feel the effect of the positioning plate 14 and adjust the position of the product.

[0033] The pressing device includes a cylinder 2, a pressing plate 4, and a guide post 3. The cylinder 2 is installed on the top wall of the support frame 29. The telescopic end of the cylinder 2 is fixedly connected to the pressing plate 4. The guide post 3 is fixedly connected to the pressing plate 4 and moves through the top wall of the support frame 29. The cylinder 2 drives the pressing plate 4 to press down on the product. The product, the upper mold 6, and multiple positioning plates 14 are relatively stationary. When the upper mold 6 moves down, the first spring 7 is compressed. One end of the test needle 10 extends out of the through hole of the upper mold 6 and contacts the product to facilitate continuity testing.

[0034] Two extrusion blocks 16 are fixedly connected to both ends of the lower die 5 laterally. One end of each extrusion block 16 is an inclined surface. Two opposing locking devices are installed on the worktable 1. The locking devices limit the lower die 5 by using the extrusion blocks 16 on the lower die 5. The locking devices include a connecting plate 17 and two locking components. The connecting plate 17 is fixedly connected to the worktable 1. The two locking components are respectively installed at both ends of the connecting plate 17. The locking components include a vertical plate 20 and a third spring 19. The vertical plate 20 is fixedly connected to the connecting plate 17. A movable column 18 is movably inserted into the vertical plate 20. The end is an inclined surface, and the inclined surface of the movable column 18 is adapted to the inclined surface of the extrusion block 16. The other end of the movable column 18 is fixedly connected to the base plate 21. The two ends of the third spring 19 are respectively fixedly connected to the upright plate 20 and the base plate 21. When in use, the lower mold 5 is pressed down, and the inclined surface of the extrusion block 16 presses against the inclined surface of the movable column 18, causing the movable column 18 to move. The second spring 12 is stretched. When the extrusion block 16 moves past the movable column 18, the second spring 12 causes the movable column 18 to reset and limit the extrusion block 16. After installation, the extrusion block 16 is attached to the side wall of the connecting plate 17.

[0035] The support frame 29 is also equipped with a control panel 22 on its top. A human-machine interface 32 is located on one side of the control panel 22. The workbench 1 is also equipped with a buzzer 23, an emergency stop button 24, an indicator light 25, LED indicator lights 26, a start switch 27, a time relay 28, a PRC control box 30, and a safety light curtain sensor 31. The control panel 22 is used for parameter setting. The buzzer 23 is used for alarms in case of malfunctions. The emergency stop button 24 stops the machine in case of an emergency. The indicator light 25 illuminates when all measurement points are OK. The LED indicator lights 26 are used to measure the corresponding indicator light and determine the corresponding point. The start switch 27 is used to start the machine. The operation involves using a time relay 28 to control the pressing time of cylinder 2, a PRC control box 30 to support the entire equipment and fix the PRC and circuitry, a safety light curtain sensor 31 to monitor work safety, and a human-machine interface 32 to display the resistance value. The product is placed on the shaping fixture, and cylinder 2 drives the pressing plate 4 to press down, making the product contact the test needle 10. (Note: For measurement points 0-15…, there are 15 test needles corresponding to each measurement point. Point 0 is used as the output point, and points 1-15… are used as measurement points to achieve conductivity. The indicator light 26 for the OK point illuminates. If one point is faulty, the buzzer 23 illuminates red and sounds an alarm. All OK signal lights 25 illuminate green.)

[0036] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.

[0037] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A device for testing the resistance and continuity of flat metal parts, characterized in that, The device includes a workbench (1), on which a pressing device is installed via a support frame (29). A shape fixture is installed on the top of the workbench (1). The shape fixture includes a lower mold (5) installed on the top of the workbench (1). Multiple first elastic elements are installed on the lower mold (5). An upper mold (6) is installed on the multiple first elastic elements. The distance between the upper mold (6) and the lower mold (5) can be adjusted by the first elastic elements. Multiple test needles (10) are installed on the lower mold (5). Multiple through holes for multiple test needles (10) to be inserted are opened on the upper mold (6). Second elastic elements are provided at both the horizontal and vertical ends of the upper mold (6). One end of the second elastic element is a movable end. A positioning plate (14) is installed on the movable end. The top of the positioning plate (14) is an inclined guide surface (15) facing the upper mold (6).

2. The resistance and continuity testing device for flat metal parts according to claim 1, characterized in that, The first elastic element includes a screw (9) and a first spring (7). The screw (9) is threaded to the inner wall of the through hole opened in the lower mold (5). The two ends of the first spring (7) are respectively fixedly connected to the top of the screw (9) and the bottom of the upper mold (6).

3. The resistance and continuity testing device for flat metal parts according to claim 2, characterized in that, The second elastic element includes a sleeve (11), a sliding plate (13), and a second spring (12). One end of the sleeve (11) is fixedly connected to the side wall of the upper mold (6). One end of the sliding plate (13) is slidably disposed inside the sleeve (11). The other end of the sliding plate (13) is fixedly connected to the positioning plate (14). The two ends of the second spring (12) are respectively fixedly connected to the bottom wall of the inner cavity of the sleeve (11) and the sliding plate (13).

4. The resistance and continuity testing device for flat metal parts according to claim 3, characterized in that, The pressing device includes a cylinder (2), a pressing plate (4), and a guide post (3). The cylinder (2) is installed on the top wall of the support frame (29). The telescopic end of the cylinder (2) is fixedly connected to the pressing plate (4). The guide post (3) is fixedly connected to the pressing plate (4) and moves through the top wall of the support frame (29).

5. The resistance and continuity testing device for flat metal parts according to claim 1, characterized in that, The lower mold (5) is also equipped with a plurality of guide rods (8), which are respectively inserted into a plurality of through holes opened in the upper mold (6).

6. The resistance and continuity testing device for flat metal parts according to claim 5, characterized in that, Two extrusion blocks (16) are fixedly connected to both ends of the lower mold (5) in the horizontal direction. One end of the extrusion block (16) is an inclined surface. Two oppositely arranged buckling devices are installed on the worktable (1). The buckling devices limit the lower mold (5) through the extrusion blocks (16) on the lower mold (5).

7. The resistance and continuity testing device for flat metal parts according to claim 6, characterized in that, The buckling device includes a connecting plate (17) and two buckling parts. The connecting plate (17) is fixedly connected to the workbench (1), and the two buckling parts are respectively installed at both ends of the connecting plate (17).

8. The resistance and continuity testing device for flat metal parts according to claim 7, characterized in that, The buckle includes a vertical plate (20) and a third spring (19). The vertical plate (20) is fixedly connected to the connecting plate (17). A movable column (18) is movably inserted on the vertical plate (20). One end of the movable column (18) is an inclined surface, which is adapted to the inclined surface of the pressing block (16). The other end of the movable column (18) is fixedly connected to the base plate (21). The two ends of the third spring (19) are fixedly connected to the vertical plate (20) and the base plate (21) respectively.

9. The resistance and continuity testing device for flat metal parts according to claim 1, characterized in that, The support frame (29) is also equipped with a control panel (22) on top. A human-machine interface (32) is provided on one side of the control panel (22). The workbench (1) is also equipped with a buzzer (23), an emergency stop button (24), an indicator light (25), an LED indicator light (26), a start switch (27), a time relay (28), a PRC control box (30), and a safety light curtain sensor (31).

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