Hardness testing device for automobile fastener processing

Abstract

The utility model relates to the technical field of hardness testing, and discloses a hardness testing device for automobile fastener processing, which comprises a working table, the inner bottom of the working table is fixedly connected with a first mounting plate, the inner side of the first mounting plate is fixedly connected with a guide rod, the inner side of the first mounting plate is rotatably connected with a threaded rod, and the inner side of the threaded rod is rotatably connected with a second mounting plate. A rotating handle is fixedly connected to the right end of the threaded rod, a sliding block is in threaded connection with the outer portion of the threaded rod, a moving plate is fixedly connected to the top of the sliding block, guide blocks are fixedly connected to the two sides of the bottom of the moving plate, guide rods are slidably connected to the interiors of the guide blocks, and a rotating disc is rotationally connected to the top of the moving plate. According to the utility model, through the arrangement of the second motor and the locking screw, clamping adjustment can be carried out according to fasteners of different sizes, through the arrangement of the first motor and the rotating handle, the fasteners are driven to rotate, and different positions of the fasteners can be conveniently tested.

Description

Technical Field

[0001] The utility model relates to the technical field of hardness testing, in particular to a hardness testing device for processing automobile fasteners. Background Art

[0002] Fasteners are a type of mechanical part used for fastening connections and are extremely widely used. They are used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, and hydraulics. They can be found in a variety of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, meters, and supplies. They are the most widely used basic mechanical components.

[0003] Automotive fasteners are generally bolt-type mounting parts. If they fail the hardness test, they will be rejected. The so-called hardness is the ability of a material to locally resist hard objects pressing into its surface.

[0004] However, some hardness testing devices in the prior art need to be reassembled and disassembled when testing different positions of the fastener, which reduces work efficiency. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a hardness testing device for automobile fastener processing, aiming to improve the problem in the prior art that the hardness testing device needs to be reassembled and disassembled when testing different positions of the fastener, thereby reducing work efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a hardness testing device for processing automotive fasteners, comprising a workbench, the inner bottom of the workbench is fixedly connected to a first mounting plate, the inner side of the first mounting plate is fixedly connected to a guide rod, the inner side of the first mounting plate is rotatably connected to a threaded rod, the right end of the threaded rod is fixedly connected to a rotating handle, the external thread of the threaded rod is connected to a slider, the top of the slider is fixedly connected to a movable plate, the bottom two sides of the movable plate are fixedly connected to guide blocks, the inside of the guide blocks are slidably connected to guide rods, the top of the movable plate is rotatably connected to a turntable, the outside of the turntable is fixedly connected to a rotating assembly, and the rotating assembly is used to adjust the position of the fastener.

[0007] Furthermore, the rotating assembly includes a worm wheel, which is fixedly connected to the outside of the turntable. The outside of the worm wheel is meshedly connected to a worm, and both sides of the outside of the worm are rotatably connected to the second mounting plate.

[0008] Furthermore, a first motor is fixedly connected to the front side of the second mounting plate, and an output end of the first motor is fixedly connected to a front end of the worm.

[0009] Furthermore, a slide groove is provided inside the turntable, and a second motor is fixedly connected to the inner side of the slide groove.

[0010] Furthermore, the output end of the second motor is fixedly connected to a bidirectional threaded rod, and the left end of the bidirectional threaded rod is rotatably connected to the inner side of the sliding groove.

[0011] Furthermore, the exterior of the bidirectional threaded rod is threadedly connected to a moving block, and the moving blocks are slidably connected to the interior of the sliding groove.

[0012] Furthermore, the top of the moving block is threadedly connected to a locking screw, the bottom of the locking screw is fixedly connected to a pressure plate, the bottom of the pressure plate is fixedly connected to a rubber pad, and the inner bottom of the moving block is fixedly connected to a rubber pad.

[0013] Furthermore, a control panel is provided on the front side of the workbench, a switch is provided on the right side of the workbench, a cylinder is fixedly connected to the top of the workbench, and a hardness test head is fixedly connected to the output end of the cylinder.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, by driving the second motor, the second motor drives the bidirectional threaded rod to rotate, and the bidirectional threaded rod rotates and drives the two sets of moving blocks to move, so that fasteners of different sizes can be clamped. The fasteners are placed on the inner side of the moving block, and the fasteners are stably clamped by rotating the locking screw to drive the pressure plate, so that the hardness of automobile fasteners can be tested.

[0016] 2. In the present invention, the worm is driven by the first motor to rotate the worm wheel, the worm wheel drives the turntable to rotate, thereby driving the fastener material to rotate, and then the threaded rod is driven to rotate by rotating the handle. The rotation of the threaded rod simultaneously drives the movable plate to move horizontally, which is convenient for testing different positions of the fastener. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of a hardness testing device for automobile fastener processing proposed by the present invention;

[0018] Figure 2 This is a partial structural diagram of a hardness testing device for automobile fastener processing proposed by the present invention;

[0019] Figure 3 This is a cross-sectional view of the turntable structure of a hardness testing device for automobile fastener processing proposed by the present invention;

[0020] Figure 4 for Figure 1 Enlarged view of point A in the middle.

[0021] Legend:

[0022] 1. Workbench; 2. Control panel; 3. Switch; 4. Cylinder; 5. Hardness test head; 6. First mounting plate; 7. Guide rod; 8. Threaded rod; 9. Turning handle; 10. Moving plate; 11. Slider; 12. Guide block; 13. Second mounting plate; 14. First motor; 15. Worm; 16. Worm gear; 17. Turntable; 18. Slide; 19. Second motor; 20. Bidirectional threaded rod; 21. Moving block; 22. Locking screw; 23. Pressure plate; 24. Rubber pad. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Reference Figure 2 、 Figure 3 and Figure 4 The utility model provides an embodiment of a hardness testing device for processing automotive fasteners, comprising a workbench 1, the inner bottom of the workbench 1 is fixedly connected to a first mounting plate 6, the inner side of the first mounting plate 6 is fixedly connected to a guide rod 7, the inner side of the first mounting plate 6 is rotatably connected to a threaded rod 8, the right end of the threaded rod 8 is fixedly connected to a rotating handle 9, the external threaded rod 8 is threadedly connected to a slider 11, the top of the slider 11 is fixedly connected to a movable plate 10, both sides of the bottom of the movable plate 10 are fixedly connected to guide blocks 12, the inside of the guide blocks 12 are slidably connected to the guide rod 7, the top of the movable plate 10 is rotatably connected to a turntable 17, the outside of the turntable 17 is fixedly connected to a rotating assembly, the rotating assembly is used to adjust the position of the fastener, the rotating assembly includes a worm gear 16, the worm gear 16 is fixedly connected to the outside of the turntable 17, the outside of the worm gear 16 is meshed with a worm 15, and the outer sides of the worm 15 are rotatably connected to the second mounting plate 13.

[0025] The first mounting plate 6 is used to install the guide rod 7 and the threaded rod 8. The guide rod 7 limits the movable plate 10 through the guide block 12. The threaded rod 8 is rotated by rotating the rotating handle 9. The threaded rod 8 rotates while driving the slider 11 to move. The slider 11 drives the movable plate 10 to move. The second mounting plate 13 is used to install the worm 15. The rotation of the worm 15 drives the worm wheel 16 and the turntable 17 to rotate.

[0026] Reference Figure 3The front side of the second mounting plate 13 is fixedly connected to the first motor 14, the output end of the first motor 14 is fixedly connected to the front end of the worm 15, a slide groove 18 is opened inside the turntable 17, the inner side of the slide groove 18 is fixedly connected to the second motor 19, and the output end of the second motor 19 is fixedly connected to the bidirectional threaded rod 20, and the left end of the bidirectional threaded rod 20 is rotatably connected to the inner side of the slide groove 18.

[0027] The first motor 14 is used to drive the worm 15 to rotate, the slide groove 18 is used to limit the moving block 21, and the second motor 19 is used to drive the bidirectional threaded rod 20 to rotate.

[0028] Reference Figure 1 、 Figure 3 and Figure 4 The outside of the bidirectional threaded rod 20 is threadedly connected to a moving block 21, and the moving blocks 21 are slidably connected to the inside of the slide groove 18. The top of the moving block 21 is threadedly connected to a locking screw 22, and the bottom of the locking screw 22 is fixedly connected to a pressure plate 23, and the bottom of the pressure plate 23 is fixedly connected to a rubber pad 24. The inner bottom of the moving block 21 is fixedly connected to a rubber pad 24. A control panel 2 is provided on the front side of the workbench 1, and a switch 3 is provided on the right side of the workbench 1. The top of the workbench 1 is fixedly connected to a cylinder 4, and the output end of the cylinder 4 is fixedly connected to a hardness test head 5.

[0029] As the bidirectional threaded rod 20 rotates, it drives the two sets of moving blocks 21 to move toward each other. By rotating the locking screw 22, the pressure plate 23 is pressed down to clamp the fasteners on the inside of the moving block 21. The rubber pad 24 prevents sliding during clamping. The control panel 2 is used to control the overall drive of the device, the switch 3 is used to control the power supply of the device, and the driving cylinder 4 drives the hardness test head 5 to move up and down to perform hardness testing.

[0030] Working principle: When using this device, the second motor 19 is driven by the control panel 2, and the second motor 19 drives the bidirectional threaded rod 20 to rotate. When the bidirectional threaded rod 20 rotates, it drives the two sets of moving blocks 21 to move toward each other, so that the clamping can be adjusted according to fasteners of different sizes. The fastener is placed on the inner side of the moving block 21, and the fastener is stably clamped by rotating the locking screw 22. The rubber pad 24 prevents the fastener from shifting when clamping. After clamping, the hardness test head 5 is driven to rise and fall by starting the cylinder 4, so that the hardness of the automotive fastener can be tested. The worm 15 is driven by the first motor 14 to drive the worm gear 16 to rotate, and the worm gear 16 drives the turntable 17 to rotate, thereby driving the fastener to rotate, and then the threaded rod 8 is driven to rotate by rotating the handle 9. The threaded rod 8 rotates and drives the moving plate 10 to move horizontally at the same time, which is convenient for testing different positions of the fastener.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A hardness testing device for automobile fastener processing, comprising a workbench (1), characterized in that: The inner bottom of the workbench (1) is fixedly connected to a first mounting plate (6), the inner side of the first mounting plate (6) is fixedly connected to a guide rod (7), the inner side of the first mounting plate (6) is rotatably connected to a threaded rod (8), the right end of the threaded rod (8) is fixedly connected to a rotating handle (9), the outer thread of the threaded rod (8) is threadedly connected to a slider (11), the top of the slider (11) is fixedly connected to a movable plate (10), both sides of the bottom of the movable plate (10) are fixedly connected to guide blocks (12), the inside of the guide blocks (12) are slidably connected to the guide rods (7), the top of the movable plate (10) is rotatably connected to a turntable (17), the outside of the turntable (17) is fixedly connected to a rotating assembly, and the rotating assembly is used to adjust the position of the fastener.

2. A hardness testing device for automotive fastener processing according to claim 1, characterized in that: The rotating assembly includes a worm wheel (16), which is fixedly connected to the outside of the turntable (17). The outside of the worm wheel (16) is meshedly connected to a worm (15), and the outside of the worm (15) is rotatably connected to the second mounting plate (13) on both sides.

3. The hardness testing device for automobile fastener processing according to claim 2, characterized in that: The front side of the second mounting plate (13) is fixedly connected to a first motor (14), and the output end of the first motor (14) is fixedly connected to the front end of a worm (15).

4. The hardness testing device for automobile fastener processing according to claim 1, characterized in that: A sliding groove (18) is provided inside the rotating disk (17), and a second motor (19) is fixedly connected to the inner side of the sliding groove (18).

5. The hardness testing device for automobile fastener processing according to claim 4, characterized in that: The output end of the second motor (19) is fixedly connected to a bidirectional threaded rod (20), and the left end of the bidirectional threaded rod (20) is rotatably connected to the inner side of the sliding groove (18).

6. The hardness testing device for automobile fastener processing according to claim 5, characterized in that: The exterior of the bidirectional threaded rod (20) is threadedly connected to a moving block (21), and the moving block (21) is slidably connected to the interior of the sliding groove (18).

7. The hardness testing device for automobile fastener processing according to claim 6, characterized in that: The top of the moving block (21) is threadedly connected to a locking screw (22), the bottom of the locking screw (22) is fixedly connected to a pressure plate (23), the bottom of the pressure plate (23) is fixedly connected to a rubber pad (24), and the inner bottom of the moving block (21) is fixedly connected to a rubber pad (24).

8. The hardness testing device for automobile fastener processing according to claim 1, characterized in that: A control panel (2) is provided on the front side of the workbench (1), a switch (3) is provided on the right side of the workbench (1), a cylinder (4) is fixedly connected to the top of the workbench (1), and a hardness test head (5) is fixedly connected to the output end of the cylinder (4).

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