Ball screw wear degree detection device
By designing the positioning device and clamping in the detection device of the roller screw grinding, it solves the problem of errors caused by the screw band slope during the detection process, and achieves more accurate and reliable test results.
Patent Information
- Application Number
- CN202421304090.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-06-07
AI Technical Summary
When using wear detection device to detect the wear of the ball screw surface, the screw may be slightly deflected, resulting in errors in the detection results.
A roller screw grinding detection device including the positioning device is designed. By setting the clamping and telescopic rods, the screws maintain the correct position and angle during the detection process to avoid leaning.
Effectively avoid the angle of the screws at the angle of the detection process, improve the accuracy of the detection results, and ensure the reliability of the test result.
Smart Images
Figure CN222418850U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of detection devices, in particular to a ball screw wear detection device. Background Art
[0002] Ball screw is the most commonly used transmission element in tool machinery and precision machinery. Its main function is to convert rotational motion into linear motion, or to convert torque into axial repetitive force. Wear detection devices are often used to detect the wear on the surface of ball screws during factory delivery and maintenance to ensure product quality.
[0003] When using a wear detection device to detect the surface wear of a ball screw, the screw is usually clamped in the seat and the position of the screw is fixed by bolts. However, during the screw detection process, the angle between the screw away from the fixed seat and the seat may be slightly deviated, resulting in errors in the detection results. Utility Model Content
[0004] The utility model aims to solve the problem that when using a wear detection device to detect the surface wear of a ball screw, the screw is usually clamped in a seat and the position of the screw is fixed by bolts. However, during the screw detection process, the angle between the screw and the fixed seat may be slightly deviated, resulting in errors in the detection results. A ball screw wear detection device is proposed to solve the problem that when using a wear detection device to detect the surface wear of a ball screw, the screw is usually clamped in a seat and the position of the screw is fixed by bolts. However, during the screw detection process, the angle between the screw and the fixed seat may be slightly deviated, resulting in errors in the detection results.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a ball screw wear detection device comprises a base, a base and a machine rod are arranged at the top of the base, the inner wall of the base is threadedly connected with a bolt, the outer surface of the machine rod is slidably provided with a machine head, and a detection needle is arranged at one end of the machine head, and a positioning device is arranged on the outer surface of the base, and the positioning device comprises two T-shaped blocks, and sliding grooves are provided on both sides of the outer surface of the base, and the outer surface of the T-shaped block slides on the inner wall of the sliding groove, one end of the T-shaped block is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected with a groove block, one side of the groove block is rotatably connected with a threaded cylinder, the inner wall of the threaded cylinder is threadedly connected with two first screws, the thread directions of the two first screws are opposite, one end of the first screw is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a round rod, the outer surface of the round rod slides on the inner wall of the groove block, and one end of the round rod is fixedly connected with a clamping block.
[0006] The effect achieved by the above components is: by setting the clamping blocks, when the screw rod is placed on the holder for inspection, the two ends of the screw rod away from the holder can be placed in the groove blocks on the outer surface of the telescopic rods on both sides of the holder, and the telescopic rod can be pulled to control the telescopic adjustment position of the slot block, and then the threaded barrel is rotated to make the two screws move in the same direction on the inner wall of the threaded barrel, and the round rod is driven to slide on the inner wall of the slot block through the connecting rod, and the two clamping blocks are clamped on the outer surface of the screw rod, and the screw rod is supported and positioned by the slot block to avoid the angle of the screw rod from being skewed as much as possible, which may cause errors in the detection results.
[0007] Preferably, the inner wall of the slide groove is rotatably connected with a second screw rod, and the outer surface of the second screw rod is threadedly connected to the inner wall of the T-shaped block.
[0008] The effect achieved by the above components is that rotating the second screw rod can control the T-shaped block to slide on the inner wall of the slide groove to adjust the position of the T-shaped block inside the slide groove and the horizontal position of the telescopic rod and the groove block.
[0009] Preferably, a plurality of rectangular bars are fixedly connected to one side of the clamping block, and the rectangular bars are linearly distributed on one side of the clamping block.
[0010] The effect achieved by the above components is: the rectangular strip is made of rubber material, and by setting the rubber rectangular strip to clamp the outer surface of the screw rod, the position of the screw rod on the outer surface of the groove block is fixed more stably and is not easy to cause wear on the surface of the screw rod.
[0011] Preferably, a positioning block is fixedly connected to the top end of the clamping block, and the bottom end of the positioning block slides on the top end of the slot block.
[0012] The effect achieved by the above components is that when the clamping block moves, the bottom end of the positioning block will slide on the top end of the slot block, further limiting the angle between the clamping block and the slot block, and avoiding the angle of the clamping block from being deflected as much as possible.
[0013] Preferably, a plurality of convex strips are fixedly connected to the outer surface of the threaded barrel, and the convex strips are distributed in a circular shape on the outer surface of the threaded barrel.
[0014] The effect achieved by the above components is that the threaded barrel can be rotated more conveniently without slipping by hand by pressing the convex strips on the outer surface of the threaded barrel.
[0015] Preferably, an auxiliary device is provided on one side of the base, and the auxiliary device includes a sliding plate, the outer surface of the sliding plate is slidably connected to the inner wall of the base, and the outer surface of the sliding plate is provided with a plurality of grooves, and the grooves are linearly distributed on the outer surface of the sliding plate.
[0016] The effect achieved by the above components is: pulling the sliding plate can control the sliding plate to slide on the inner wall of the base and extend the sliding plate out of the base. When using the detection device, the screw to be detected or after the detection is completed can be placed in the groove on the outer surface of the sliding plate for easy removal. When not in use, the sliding plate can be pushed back into the base.
[0017] Preferably, a pull rod is fixedly connected to one side of the sliding plate, and the cross-section of the pull rod is U-shaped.
[0018] The effect achieved by the above components is that by holding the outer surface of the U-shaped pull rod and pulling the pull rod, the movement of the sliding plate can be more conveniently controlled to adjust the position of the sliding plate.
[0019] Preferably, magnetic blocks are fixedly connected to both sides of the sliding plate, and the base is made of metal iron.
[0020] The effect achieved by the above components is that after the sliding plate is put into the interior of the base, the magnetic blocks on both sides of the sliding plate will contact with the outer surface of the base and be magnetically attracted to fix the position of the sliding plate.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, by setting a positioning device, when the screw rod is tested, the two ends of the screw rod away from the base can be placed in the groove blocks on the outer surface of the telescopic rods on both sides of the base, and the two clamping blocks are clamped on the outer surface of the screw rod. The screw rod is supported and positioned by the groove blocks to avoid the angle of the screw rod from being skewed as much as possible, which may cause errors in the detection results. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the base of the utility model;
[0025] Figure 3 It is a three-dimensional structural schematic diagram of the telescopic rod of the utility model;
[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the first screw of the utility model.
[0027] Legend: 1. Base; 2. Positioning device; 3. Auxiliary device; 4. Clamp; 5. Bolt; 6. Machine rod; 8. Machine head; 7. Detection needle; 21. Slide groove; 22. T-block; 23. Telescopic rod; 24. Slot block; 25. Threaded barrel; 26. First screw; 27. Connecting rod; 28. Round rod; 29. Clamp block; 210. Rectangular strip; 211. Positioning block; 212. Raised strip; 213. Second screw; 31. Sliding plate; 32. Groove; 33. Pull rod; 34. Magnetic block. DETAILED DESCRIPTION
[0028] Embodiment 1, as Figure 1-3 As shown, a ball screw wear detection device includes a base 1, a base 4 and a machine rod 6 are arranged at the top of the base 1, a bolt 5 is threadedly connected to the inner wall of the base 4, a machine head 8 is slidably arranged on the outer surface of the machine rod 6, a detection needle 7 is arranged at one end of the machine head 8, a positioning device 2 is arranged on the outer surface of the base 4, the positioning device 2 includes two T-shaped blocks 22, both sides of the outer surface of the base 4 are provided with slide grooves 21, the outer surface of the T-shaped block 22 slides on the inner wall of the slide groove 21, one end of the T-shaped block 22 is fixedly connected to a telescopic rod 23, one end of the telescopic rod 23 is fixedly connected to a groove block 24, one side of the groove block 24 is rotatably connected to a threaded barrel 25, the inner wall of the threaded barrel 25 is threadedly connected to two first screws 26, the thread directions of the two first screws 26 are opposite, and one end of the first screw 26 is fixedly connected to a connecting rod 27, one end of the connecting rod 27 is fixedly connected to a round rod 28, the outer surface of the round rod 28 slides on the inner wall of the groove block 24, and one end of the round rod 28 is fixedly connected to a clamping block 29. By setting the clamping block 29, when the screw is placed on the base 4 for detection, the two ends of the screw away from the base 4 can be placed in the groove blocks 24 on the outer surfaces of the telescopic rods 23 on both sides of the base 4. Pulling the telescopic rod 23 can control the telescopic adjustment of the position of the groove block 24, and then rotating the threaded barrel 25 to make the two screws move in the same direction on the inner wall of the threaded barrel 25. The round rod 28 is driven to slide on the inner wall of the groove block 24 through the connecting rod 27, and the two clamping blocks 29 are clamped on the outer surface of the screw. The screw is supported and positioned by the groove block 24 to avoid the angle of the screw from being deflected as much as possible, which may cause errors in the detection results.
[0029] Reference Figure 1-4As shown, in this embodiment: the inner wall of the slide groove 21 is rotatably connected with the second screw rod 213, and the outer surface of the second screw rod 213 is threadedly connected with the inner wall of the T-shaped block 22. Rotating the second screw rod 213 can control the T-shaped block 22 to slide on the inner wall of the slide groove 21 to adjust the position of the T-shaped block 22 inside the slide groove 21 and the horizontal positions of the telescopic rod 23 and the slot block 24. One side of the clamping block 29 is fixedly connected with a plurality of rectangular strips 210, and the rectangular strips 210 are linearly distributed on one side of the clamping block 29. The rectangular strips 210 are made of rubber material. By arranging the rubber rectangular strips 210 to clamp the outer surface of the screw rod, the position of the screw rod on the outer surface of the slot block 24 is fixed more stably and is not easy to cause wear on the surface of the screw rod.
[0030] Reference Figure 1-4 As shown, in this embodiment: the top of the clamping block 29 is fixedly connected with a positioning block 211, and the bottom end of the positioning block 211 slides on the top of the groove block 24. When the clamping block 29 moves, the bottom end of the positioning block 211 will slide on the top of the groove block 24, further limiting the angle between the clamping block 29 and the groove block 24, and avoiding the angle of the clamping block 29 from being deflected as much as possible. The outer surface of the threaded barrel 25 is fixedly connected with a plurality of convex strips 212, and the convex strips 212 are distributed in a circle on the outer surface of the threaded barrel 25. By pressing the convex strips 212 on the outer surface of the threaded barrel 25 with your hand, you can more conveniently rotate the threaded barrel 25 without slipping your hand.
[0031] Reference Figure 1 and Figure 2 As shown, in this embodiment: an auxiliary device 3 is provided on one side of the base 1, and the auxiliary device 3 includes a sliding plate 31. The outer surface of the sliding plate 31 is slidably connected to the inner wall of the base 1. The outer surface of the sliding plate 31 is provided with a plurality of grooves 32. The grooves 32 are linearly distributed on the outer surface of the sliding plate 31. Pulling the sliding plate 31 can control the sliding plate 31 to slide on the inner wall of the base 1 to extend the sliding plate 31 out of the base 1. When using the detection device, the screw to be detected or after the detection is completed can be placed in the groove 32 on the outer surface of the sliding plate 31 for easy removal. When not in use, the sliding plate 31 can be pushed into the base 1.
[0032] Reference Figure 1 and Figure 2 As shown, in the present embodiment: a pull rod 33 is fixedly connected to one side of the sliding plate 31, and the cross-sectional shape of the pull rod 33 is U-shaped. Holding the outer surface of the U-shaped pull rod 33 and pulling the pull rod 33 can more conveniently control the movement of the sliding plate 31 to adjust the position of the sliding plate 31, and magnetic blocks 34 are fixedly connected to both sides of the sliding plate 31. The base 1 is made of metal iron. After the sliding plate 31 is put into the base 1, the magnetic blocks 34 on both sides of the sliding plate 31 will contact the outer surface of the base 1 and magnetically attract to fix the position of the sliding plate 31.
[0033] Working principle: When using the detection device to detect the wear of the screw, you can first hold the outer surface of the U-shaped pull rod 33 and pull the sliding plate 31 to slide on the inner wall of the base 1 to pull out the sliding plate 31, then place the screw to be detected on the groove 32 on the outer surface of the sliding plate 31, then place the detected screw on the outer surface of the holder 4, place the two ends of the screw on the groove blocks 24 on the outer surface of the telescopic rod 23 on both sides of the holder 4, turn the bolt 5 to move the bolt 5 on the inner wall of the holder 4, and place one end of the bolt 5 against the outer surface of the screw to fix the position of the screw on the outer surface of the holder 4, then turn the bolts 5 on both sides of the holder 4 to control the T-shaped block 22 to slide on the inner wall of the slide groove 21 to adjust the water level of the telescopic rod 23 The threaded cylinder 25 is rotated at the two slot blocks 24 to control the movement of the first screw 26, and the round rod 28 is driven by the first screw 26 to slide on the inner wall of the slot block 24, and one side of the two clamping blocks 29 provided with the rubber rectangular strip 210 is clamped on the outer surface of the screw to further fix the position of the screw. Subsequently, the head 8 on the outer surface of the machine rod 6 is controlled by the control console on one side of the base 1 to move and adjust the height position, so that the detection needle 7 moves a certain distance against the thread on the outer surface of the screw. At the same time, the curve of the movement of the detection needle 7 will be displayed on the display screen of the console, and the surface of the screw is comprehensively detected to draw a completion curve. The wear degree of the screw surface is judged by the curve to complete the wear degree detection of the screw surface.
[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.
Claims
1. A ball screw wear detection device, comprising a base (1), characterized in that: The top of the base (1) is provided with a holder (4) and a machine rod (6), the inner wall of the holder (4) is threadedly connected with a bolt (5), the outer surface of the machine rod (6) is slidably provided with a machine head (8), one end of the machine head (8) is provided with a detection needle (7), the outer surface of the holder (4) is provided with a positioning device (2), the positioning device (2) comprises two T-shaped blocks (22), the outer surface of the holder (4) is provided with a slide groove (21) on both sides, the outer surface of the T-shaped block (22) slides on the inner wall of the slide groove (21), one end of the T-shaped block (22) is fixedly connected with a stretching device (21). A telescopic rod (23), one end of the telescopic rod (23) is fixedly connected to a groove block (24), one side of the groove block (24) is rotatably connected to a threaded barrel (25), the inner wall of the threaded barrel (25) is threadedly connected to two first screw rods (26), the threads of the two first screw rods (26) are in opposite directions, one end of the first screw rod (26) is fixedly connected to a connecting rod (27), one end of the connecting rod (27) is fixedly connected to a round rod (28), the outer surface of the round rod (28) slides on the inner wall of the groove block (24), and one end of the round rod (28) is fixedly connected to a clamping block (29).
2. A ball screw wear detection device according to claim 1, characterized in that: The inner wall of the slide groove (21) is rotatably connected to a second screw rod (213), and the outer surface of the second screw rod (213) is threadedly connected to the inner wall of the T-shaped block (22).
3. A ball screw wear detection device according to claim 2, characterized in that: A plurality of rectangular bars (210) are fixedly connected to one side of the clamping block (29), and the rectangular bars (210) are linearly distributed on one side of the clamping block (29).
4. A ball screw wear detection device according to claim 3, characterized in that: The top end of the clamping block (29) is fixedly connected to a positioning block (211), and the bottom end of the positioning block (211) slides on the top end of the slot block (24).
5. A ball screw wear detection device according to claim 4, characterized in that: A plurality of convex strips (212) are fixedly connected to the outer surface of the threaded barrel (25), and the convex strips (212) are distributed in a circular pattern on the outer surface of the threaded barrel (25).
6. A ball screw wear detection device according to claim 5, characterized in that: An auxiliary device (3) is provided on one side of the base (1), the auxiliary device (3) comprising a sliding plate (31), the outer surface of the sliding plate (31) being slidably connected to the inner wall of the base (1), the outer surface of the sliding plate (31) being provided with a plurality of grooves (32), the grooves (32) being linearly distributed on the outer surface of the sliding plate (31).
7. A ball screw wear detection device according to claim 6, characterized in that: A pull rod (33) is fixedly connected to one side of the sliding plate (31), and the cross-section of the pull rod (33) is U-shaped.
8. A ball screw wear detection device according to claim 6, characterized in that: Magnetic blocks (34) are fixedly connected to both sides of the sliding plate (31), and the base (1) is made of metal iron.