Internal angle measuring device for self drilling screw

Abstract

The utility model relates to the technical field of self drilling screw interior angle measurement, and discloses a self drilling screw interior angle measuring device which comprises a working table, the upper surface of the working table is rotatably connected with a connecting rod, the top end of the connecting rod is fixedly connected with a supporting disc, and the supporting disc is fixedly connected with the working table. A plurality of fixing columns are fixedly connected to the upper surface of the supporting disc, the interior of each fixing column is hollow, a through hole is formed in the top end of each fixing column, a sliding groove is formed in the surface of each fixing column, and a pull rod is slidably connected to the interior of each sliding groove in a sleeved mode; clamping plates are fixedly connected to the ends, located in the fixed columns connected with the pull rods, of the pull rods and one side wall in each fixed column, when the device is used, self drilling screws of different sizes can be rapidly clamped and fixed, follow-up detection is facilitated, the situation that the measurement effect is affected by shaking is avoided, and the detection efficiency is improved. Meanwhile, circular measurement can be achieved, efficiency is high, cost is low, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of internal angle measurement of self-drilling screws, in particular to a device for measuring the internal angle of a self-drilling screw. Background Art

[0002] The tail of the self-drilling screw is in the shape of a drill tail or a pointed tail. It does not require auxiliary processing and can be directly drilled, tapped, and locked on the setting material or base material. It is in great demand today. In order to ensure the quality of the self-drilling screw, its internal angle needs to be measured after its production is completed to ensure the qualified rate of the production batch products.

[0003] A stainless steel self-drilling screw internal angle measuring device with a search announcement number of CN 212883577 U comprises a base, a support block is fixedly connected to one side of the base, a first cylinder is fixedly connected to the upper end of the support block, a connecting layer is provided on the upper end face of the base, a first baffle is fixedly connected to one side of the upper end of the connecting layer, a second baffle is fixedly connected to the other side of the upper end of the connecting layer, a support frame is fixedly connected to the side of the base, a fixed rod is fixedly connected to the front end of the support frame, a second cylinder is provided through the middle of the fixed rod, a telescopic rod is extended from one end of the second cylinder and a support plate is fixedly connected to one end of the telescopic rod, a measuring instrument is fixedly connected to the lower end of the support plate, a third cylinder is provided on one side of the second baffle, a telescopic rod is extended from one end of the third cylinder and a push groove is fixedly connected to one end of the telescopic rod. In the utility model, measurement can be effectively performed and the use effect is very good.

[0004] However, the above device still has some shortcomings during use. It is unable to clamp and fix drill screws of different sizes, which causes it to shake easily during the measurement process, affecting the measurement results. At the same time, the measuring device cannot be protected when not in use, and is easily contaminated with dust and accidentally damaged. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a device for measuring the internal angles of drill screws, which solves the problem that drill screws of different sizes cannot be clamped and fixed, resulting in the screws being easily shaken during the measurement process, affecting the measurement results; and the measuring device cannot be protected when not in use, making it easy for it to be contaminated by dust and accidentally damaged.

[0006] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod.

[0007] Preferred technical solution 1: A first motor is fixedly connected to the upper surface of the support frame, and an output end of the first motor passes through the connected support frame and is fixedly connected to the top end of the threaded rod.

[0008] This solution can facilitate the measurement device to move up and down for height adjustment through the rotation of the first motor, and is suitable for detecting self-drilling screws of different lengths.

[0009] Preferred technical solution 2: A protective box is fixedly connected to the lower surface of the support frame, an opening is provided at the bottom of the protective box, and an empty slot is provided on the side of the protective box, and the cross bar can move inside the empty slot.

[0010] This solution can protect the measuring instrument when measurement is not needed to avoid dust and accidental damage.

[0011] Preferred technical solution three: the bottom end of the connecting rod extends to the bottom of the workbench and is fixedly sleeved with a worm gear, the lower surface of the workbench is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a worm, and the worm gear is meshed with the worm.

[0012] This solution can automatically drive the support plate to rotate through the rotation of the second motor, thereby facilitating cyclic measurement.

[0013] Preferred technical solution four: storage boxes are provided on both sides of the workbench.

[0014] This solution can facilitate the classified storage of the measured self-drilling screws.

[0015] Preferred technical solution five: A plurality of indicator lights are provided on the upper surface of the support plate, and the plurality of indicator lights correspond one-to-one to the plurality of fixed columns. A controller is fixedly installed on the upper surface of the workbench, and the first motor, the second motor, the measuring device and the indicator lights are all electrically connected to the controller.

[0016] This solution can facilitate the control of various components and is easy to use.

[0017] Compared with the prior art, the utility model provides a device for measuring the internal angle of a drill screw, which has the following beneficial effects: when in use, the pull rod is pulled outward to drive the clamping plate to move, and then the drill screw to be measured is placed inside the fixing column, and then the pull rod is loosened so that it drives the clamping plate to clamp and fix the drill screw under the elastic force of the spring, and then the support plate is driven to rotate by the rotation of the second motor, so that the drill screws can be installed inside multiple fixing columns in turn, making it convenient to clamp and fix drill screws of different sizes, and then multiple drill screws are moved to the bottom of the measuring device in turn for testing, and when an unqualified drill screw is detected, the corresponding indicator light lights up to remind the personnel, and when the drill screw is detected and rotated to the front of the user, the measured drill screw can be quickly moved outward by pulling the pull rod. The screws are disassembled and placed in different storage boxes according to the measurement results. Then the new screws can be put into the fixed column for testing. At the same time, according to the different lengths of different self-drilling screws, the threaded rod can be rotated by the rotation of the first motor, thereby driving the threaded sleeve and the measuring device to move up and down, and adjusting their heights to facilitate the proximity of the measuring device to the screws to ensure the accuracy of the measurement structure. At the same time, when no measurement is performed, the cross bar and the measuring device are driven by the rotation of the first motor to move upward to the inside of the protective box for protection to prevent the measuring device from being contaminated by dust or accidentally damaged. When in use, the device can quickly clamp and fix self-drilling screws of different sizes, facilitate subsequent testing, and avoid shaking that affects the measurement effect. At the same time, cyclic measurement is possible, which is efficient, low-cost, and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 This is a bottom view of the bottom structure of the utility model;

[0020] Figure 3 This is a disassembled diagram of the fixed column structure of the utility model.

[0021] In the figure: 1. workbench; 2. connecting rod; 3. support plate; 4. fixed column; 5. sliding groove; 6. pull rod; 7. clamping plate; 8. spring; 9. support frame; 10. threaded rod; 11. threaded sleeve; 12. cross bar; 13. measuring device; 14. sliding groove; 15. slider; 16. first motor; 17. worm gear; 18. second motor; 19. worm; 20. storage box; 21. indicator light; 22. controller; 23. protective box. DETAILED DESCRIPTION

[0022] See also Figure 1-3 ,

[0023] Embodiment 1: A device for measuring the internal angle of a self-drilling screw, comprising a workbench 1, a connecting rod 2 is rotatably connected to the upper surface of the workbench 1, a support plate 3 is fixedly connected to the top of the connecting rod 2, a plurality of fixed columns 4 are fixedly connected to the upper surface of the support plate 3, each of the fixed columns 4 is hollow inside and has a through hole at the top, a sliding groove 5 is opened on the surface of each fixed column 4, a pull rod 6 is slidably sleeved inside each sliding groove 5, each pull rod 6 is located at one end of the inner side of the connected fixed column 4 and is fixed to one side wall of the inner side of each fixed column 4 A splint 7 is fixedly connected, a spring 8 is fixedly sleeved on one end of the outer side of each pull rod 6, a support frame 9 is fixedly connected to the upper surface of the workbench 1, a threaded rod 10 is rotatably connected to the lower surface of the support frame 9, a threaded sleeve 11 is threadedly sleeved on the surface of the threaded rod 10, a cross bar 12 is fixedly connected to the surface of the threaded sleeve 11, a measuring device 13 is fixedly installed on the lower surface of the cross bar 12, a slide groove 14 is provided on the side of the support frame 9, a slider 15 is slidably connected inside the slide groove 14, and the slider 15 is fixedly connected to the threaded sleeve 11.

[0024] Embodiment 2: The difference between this embodiment and embodiment 1 is that, a first motor 16 is fixedly connected to the upper surface of the support frame 9, and the output end of the first motor 16 passes through the connected support frame 9 and is fixedly connected to the top of the threaded rod 10. The rotation of the first motor 16 can easily drive the measuring device 13 to move up and down for height adjustment, which is suitable for detecting drill screws of different lengths.

[0025] Embodiment 3: The difference between this embodiment and embodiment 1 is that a protective box 23 is fixedly connected to the lower surface of the support frame 9, an opening is provided at the bottom of the protective box 23, and an empty groove is provided on the side of the protective box 23. The cross bar 12 can move inside the empty groove, so that the measuring device 13 can be protected when measurement is not needed to avoid dust contamination and accidental damage.

[0026] Embodiment 4: The difference between this embodiment and embodiment 1 is that, the bottom end of the connecting rod 2 extends to the bottom of the workbench 1 and is fixedly sleeved with a worm gear 17, the lower surface of the workbench 1 is fixedly connected with a second motor 18, the output end of the second motor 18 is fixedly connected with a worm 19, the worm gear 17 is meshed with the worm 19, and the rotation of the second motor 18 automatically drives the support plate 3 to rotate, thereby facilitating the realization of cyclic measurement.

[0027] Embodiment 5: The difference between this embodiment and embodiment 1 is that storage boxes 20 are provided on both sides of the workbench 1 to facilitate the classified storage of the measured self-drilling screws.

[0028] Embodiment 6: The difference between this embodiment and embodiment 1 lies in that, a plurality of indicator lights 21 are provided on the upper surface of the support plate 3, and the plurality of indicator lights 21 correspond one to one to the plurality of fixed columns 4. A controller 22 is fixedly installed on the upper surface of the workbench 1, and the first motor 16, the second motor 18, the measuring device 13 and the indicator lights 21 are all electrically connected to the controller 22, so as to facilitate the control of each component and facilitate use.

[0029] To sum up, when the device for measuring the internal angle of a drill screw is used, the pull rod 6 is pulled outward to drive the clamping plate 7 to move, and then the drill screw to be measured is placed inside the fixing column 4, and then the pull rod 6 is loosened so that it drives the clamping plate 7 to clamp and fix the drill screw under the elastic force of the spring 8, and then the support plate 3 is driven to rotate by the rotation of the second motor 18, so that the drill screws can be installed inside multiple fixing columns 4 in turn, making it convenient to clamp and fix drill screws of different sizes, and then multiple drill screws are moved to the bottom of the measuring device 13 in turn for inspection, and when an unqualified drill screw is detected, the corresponding indicator light 21 lights up to remind the personnel, and when the drill screw is rotated to the front of the user after the inspection is completed, the measured drill screw can be quickly removed by pulling the pull rod 6 outward, and according to the measurement results Place it inside different storage boxes 20, and then put the new screw into the fixing column 4 for testing. At the same time, when measuring, according to the different lengths of different self-drilling screws, the threaded rod 10 can be rotated by the rotation of the first motor 16, thereby driving the threaded sleeve 11 and the measuring device 13 to move up and down, and adjusting their heights to facilitate the proximity of the measuring device 13 to the screw to ensure the accuracy of the measurement structure. At the same time, when no measurement is performed, the first motor 16 is rotated to drive the cross bar 12 and the measuring device 13 to move upward to the inside of the protective box 23 for protection to prevent the measuring device 13 from being contaminated by dust or accidentally damaged. When in use, the device can quickly clamp and fix self-drilling screws of different sizes, facilitate subsequent testing, and avoid shaking that affects the measurement effect. At the same time, it can perform cyclic measurement, which is efficient, low cost, and easy to use.

Claims

1. A device for measuring the internal angle of a self-drilling screw, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is rotatably connected to a connecting rod (2), the top of the connecting rod (2) is fixedly connected to a support plate (3), the upper surface of the support plate (3) is fixedly connected to a plurality of fixed columns (4), each of the fixed columns (4) is hollow inside and has a through hole at the top, a sliding groove (5) is provided on the surface of each of the fixed columns (4), a pull rod (6) is slidably sleeved inside each of the sliding grooves (5), each of the pull rods (6) is located at one end inside the connected fixed column (4) and a clamping plate (7) is fixedly connected to one side wall inside each of the fixed columns (4), and each of the pull rods (6) is A spring (8) is fixedly sleeved at one end of the outer side of each workbench (1); a support frame (9) is fixedly connected to the upper surface of the workbench (1); a threaded rod (10) is rotatably connected to the lower surface of the support frame (9); a threaded sleeve (11) is threadedly sleeved on the surface of the threaded rod (10); a cross bar (12) is fixedly connected to the surface of the threaded sleeve (11); a measuring device (13) is fixedly installed on the lower surface of the cross bar (12); a sliding groove (14) is provided on the side of the support frame (9); a slider (15) is slidably connected to the inside of the sliding groove (14); and the slider (15) is fixedly connected to the threaded sleeve (11).

2. The device for measuring the internal angle of a self-drilling screw according to claim 1, characterized in that: A first motor (16) is fixedly connected to the upper surface of the support frame (9), and an output end of the first motor (16) passes through the connected support frame (9) and is fixedly connected to the top end of the threaded rod (10).

3. The device for measuring the internal angle of a self-drilling screw according to claim 2, characterized in that: A protection box (23) is fixedly connected to the lower surface of the support frame (9); an opening is provided at the bottom of the protection box (23); a hollow groove is provided on the side of the protection box (23); and the cross bar (12) is movable inside the hollow groove.

4. A device for measuring the internal angle of a self-drilling screw according to claim 3, characterized in that: The bottom end of the connecting rod (2) extends to the bottom of the workbench (1) and is fixedly sleeved with a worm wheel (17); a second motor (18) is fixedly connected to the lower surface of the workbench (1); a worm (19) is fixedly connected to the output end of the second motor (18); and the worm wheel (17) is meshed with the worm (19).

5. The device for measuring the internal angle of a self-drilling screw according to claim 1, characterized in that: Storage boxes (20) are provided on both sides of the workbench (1).

6. The device for measuring the internal angle of a self-drilling screw according to claim 4, characterized in that: A plurality of indicator lights (21) are provided on the upper surface of the support plate (3), and the plurality of indicator lights (21) correspond one-to-one to the plurality of fixed columns (4). A controller (22) is fixedly mounted on the upper surface of the workbench (1), and the first motor (16), the second motor (18), the measuring device (13), and the indicator lights (21) are all electrically connected to the controller (22).

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