Auxiliary device for handheld roughness detector

The auxiliary device, consisting of a magnetic base, universal joint, and movable rod, solves the problem of multiple clamping when using a handheld roughness tester to inspect gear tooth surfaces, enabling rapid and accurate multi-face inspection and improving inspection efficiency and accuracy.

CN223678489UActive Publication Date: 2025-12-16SHAANXI FAST GEAR CO LTD
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Patent Information

Application Number
CN202423154584.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-16
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Existing handheld roughness testers require multiple clamping operations when testing gear tooth surface roughness, resulting in low testing efficiency, large measurement errors, and the inability to perform on-machine testing of workpieces, thus affecting production efficiency and accuracy.

Method used

An auxiliary device consisting of a magnetic base, universal joint, and movable rod, combined with an L-shaped clamp and anti-slip pads, enables flexible fixing and multi-faceted inspection of the handheld roughness tester. The posture can be adjusted by universal positioning screws and adjusting screws.

Benefits of technology

This improves the flexibility and freedom of handheld surface roughness testers, enabling rapid multi-faceted inspection of workpieces, reducing labor intensity, and ensuring measurement accuracy and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a handheld roughness detector auxiliary device which comprises a magnetic gauge stand, the top of the magnetic gauge stand is fixedly connected with the bottom of a first universal joint connecting shaft arranged in the vertical direction, the top of the first universal joint connecting shaft is movably connected with a universal joint, and the universal joint is further movably connected with one end of a second universal joint connecting shaft. A detector clamping and mounting unit is arranged at the other end of the universal joint second connecting shaft; the universal joint is provided with a universal positioning screw, and the universal positioning screw can fix the movable joint of the first universal joint connecting shaft and the second universal joint connecting shaft. According to the utility model, the flexibility and the degree of freedom of the hand-held roughness detector in use are improved by means of the magnetic gauge stand, the universal joint and the movable rod, the roughness of a plurality of tooth surfaces can be directly detected on the machine at one time, the installation is convenient, the adjustment is easy, the accuracy of workpiece production and the high efficiency of workshop production are ensured, and the production efficiency is improved. And the operation labor intensity is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machine manufacturing, and relates to roughness detection, in particular to a hand -held roughness detector auxiliary device. BACKGROUND

[0002] It is known that the method usually adopted in roughness detection is to detect on a roughness profiler. Therefore, the roughness profiler is widely applied to machine manufacturing. However, the method has certain limitations. Firstly, the equipment is high in price, so that the detection cost is high. Secondly, the measuring queuing phenomenon is serious. Usually, one workshop is equipped with one roughness profiler to detect workpieces in the whole workshop. Finally, the roughness profiler cannot realize in-machine detection of workpieces. The workpieces must be unloaded from the machine tool to be measured.

[0003] The roughness detector measures through photoelectricity, machinery and other modes according to different unevenness to obtain accurate roughness values. As a commonly used tool for measuring the microscopic unevenness of workpiece surfaces, the roughness detector has extremely wide use. Among them, the hand -held roughness detector can be moved and fixed on the workbench adjacent to the workpiece to be detected, and then the in-machine detection of the workpiece can be realized. It is often adopted in the prior art.

[0004] However, the hand -held roughness detector does not have an auxiliary device at present. When detecting the roughness of gear tooth surface, a large amount of time is spent in adjusting the measurement posture due to the difference in size of the workpiece to be measured. Different tooth surface roughness detection needs to be clamped for many times, the detection efficiency is low, the measurement error is large, and the accuracy of workpiece production and the efficiency of workshop production are adversely affected. Therefore, how to quickly adjust and fix the hand -held roughness detector is particularly important. SUMMARY

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a hand -held roughness detector auxiliary device to solve the technical problem that the degree of freedom of the hand -held roughness detector in the prior art needs to be further improved when in use.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme to realize it:

[0007] A hand -held roughness detector auxiliary device, including magnetic table seat, the top of magnetic table seat with the bottom of universal joint first connecting shaft in vertical direction Fixed connection, the top of universal joint first connecting shaft is movably connected with universal joint, universal joint is also movably connected with one end of universal joint second connecting shaft, the other end of universal joint second connecting shaft is provided with detector clamping installation unit.

[0008] The universal joint is provided with a universal positioning screw, which can fix the movable connection between the first connecting shaft and the second connecting shaft of the universal joint.

[0009] The utility model discloses still have following technical features:

[0010] Preferably, the detector clamping and mounting unit comprises a movable rod, one end of the movable rod is movably connected to the other end of the second connecting shaft of the universal joint, and the movable rod can rotate circumferentially with the connecting part of the movable rod and the second connecting shaft of the universal joint as the center.

[0011] One end of the movable rod is also provided with an adjusting screw, which can fix the movable connection between the movable rod and the second connecting shaft of the universal joint.

[0012] The other end of the movable rod is provided with a detector clamping unit.

[0013] Specifically, the detector clamping unit comprises a clamping rod arranged in the vertical direction, and the bottom of the clamping rod is connected to the other end of the movable rod by a clamping rod fastening screw.

[0014] The top of the clamping rod is provided with a U-shaped clamping block with an upward opening, the bottom of the U-shaped clamping block is perpendicular to the two side walls of the U-shaped clamping block, an L-shaped clamping plate is arranged in the U-shaped clamping block along a direction perpendicular to the two side walls of the U-shaped clamping block, and the L-shaped clamping plate and one side wall of the U-shaped clamping block realize three-face contact fixation of the handheld roughness detector.

[0015] Specifically, the L-shaped clamping plate comprises an L-shaped clamping plate bottom plate, and the L-shaped clamping plate bottom plate is parallel to the two side walls of the U-shaped clamping block.

[0016] One side of the L-shaped clamping plate bottom plate in contact with the handheld roughness detector is provided with a first anti-skid rubber pad.

[0017] One side of the U-shaped clamping block in contact with the handheld roughness detector is also provided with a second anti-skid rubber pad.

[0018] Specifically, an L-shaped clamping plate sliding groove is formed in the bottom upper surface of the U-shaped clamping block along a direction perpendicular to the two side walls of the U-shaped clamping block, one side of the L-shaped clamping plate bottom plate in contact with the L-shaped clamping plate sliding groove is provided with an L-shaped clamping plate sliding block, and the L-shaped clamping plate sliding block can slide the L-shaped clamping plate along the slotting direction of the L-shaped clamping plate sliding groove.

[0019] The other side wall of the U-shaped clamping block not in contact with the handheld roughness detector is provided with a screw hole penetrating through the two side walls, and an L-shaped clamping plate fixing screw is arranged in the screw hole.

[0020] The one end of the L-shaped clamping plate fixing screw rod is fixedly connected with the bottom plate of the L-shaped clamping plate, and the other end of the L-shaped clamping plate fixing screw rod is provided with a screw rod fastening screw.

[0021] Compared with the prior art, the device has the following beneficial technical effects:

[0022] (I) The device improves the flexibility and freedom of the handheld roughness detector in use, can directly and one-time detect the roughness of multiple tooth surfaces, is convenient to install and adjust, ensures the accuracy of workpiece production and the efficiency of workshop production, and reduces the operation labor intensity.

[0023] (II) The L-shaped clamping plate fixing screw rod and the screw rod fastening screw in the device can clamp the handheld roughness detector within a variety of model ranges.

[0024] (III) The device has simple structure and is easy to operate, the appropriate height is adjusted according to the measured workpiece, and only the distance between the L-shaped clamping plate and the U-shaped clamping block needs to be adjusted before measurement, so that the distance between the two is adjusted to a position appropriate for the width of the handheld roughness detector, the two anti-skid rubber pads can tightly hold the handheld roughness detector, and accurate measurement of workpiece data is realized; compared with directly holding the handheld roughness detector by the operator, the accuracy of the roughness measurement result is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic view of the device.

[0026] Figure 2 It is a left view of the detector clamping unit in Figure 1 .

[0027] The meanings of the various reference numerals in the drawing are as follows: 1-magnetic table seat, 2-universal joint first connecting shaft, 3-universal joint, 4-universal joint second connecting shaft, 5-detector clamping and mounting unit, 6-universal positioning screw, 7-handheld roughness detector.

[0028] 501-movable rod, 502-adjusting screw, 503-detector clamping unit, 504-clamping rod fastening screw.

[0029] 50301-U-shaped clamping block, 50302-L-shaped clamping plate, 50303-L-shaped clamping plate fixing screw rod, 50304-screw rod fastening screw, 50305-clamping rod.

[0030] 5030101-second anti-skid rubber pad, 5030102-L-shaped clamping plate sliding groove, 5030103-screw hole.

[0031] 5030201 - base plate of L-shaped clamping plate, 5030202 - first anti-skid rubber pad, 5030203 - sliding block of L-shaped clamping plate.

[0032] The specific content of the utility model is further explained and described in detail in combination with the following embodiments. DETAILED DESCRIPTION

[0033] It should be noted that all the devices and parts in the utility model, if not specially stated, all adopt the devices and parts known in the prior art. For example, the magnetic watch stand adopts a known magnetic watch stand, and the handheld roughness detector adopts a known handheld roughness detector.

[0034] In the utility model, the OXYZ coordinate is a three-dimensional rectangular coordinate system, X is the horizontal direction, Y is the vertical direction, and Z is the vertical direction.

[0035] According to the above technical solution, the specific embodiments of the utility model are given below. It should be noted that the utility model is not limited to the following specific embodiments, and any equivalent transformation based on the technical solution of the present application falls within the scope of protection of the utility model.

[0036] Embodiment:

[0037] The embodiment gives a handheld roughness detector auxiliary device, as shown in Figure 1 , which comprises a magnetic watch stand 1, the top of the magnetic watch stand 1 is fixedly connected with the bottom of a universal joint first connecting shaft 2 arranged in the vertical direction, the top of the universal joint first connecting shaft 2 is movably connected with a universal joint 3, the universal joint 3 is also movably connected with one end of a universal joint second connecting shaft 4, and the other end of the universal joint second connecting shaft 4 is provided with a detector clamping and mounting unit 5.

[0038] As shown in Figure 1 , the universal joint 3 is provided with a universal positioning screw 6, which can fix the movable connection of the universal joint first connecting shaft 2 and the universal joint second connecting shaft 4.

[0039] In the embodiment, the device in the embodiment can be fixed on the surface of any suitable metal workbench by opening the magnetic watch stand 1, so as to avoid the deviation of the handheld roughness detector 7 during the roughness measurement process.

[0040] In the embodiment, the universal joint adopts a commonly used universal joint.

[0041] As a preferred scheme of the embodiment, as shown in Figure 1 , the detector clamping and mounting unit 5 comprises a movable rod 501, one end of the movable rod 501 is movably connected with the other end of the universal joint second connecting shaft 4, and the movable rod 501 can rotate circumferentially with the connecting part of the movable rod 501 and the universal joint second connecting shaft 4 as the center.

[0042] As shown in Figure 1 , one end of the movable rod 501 is also provided with an adjusting screw 502, which can fix the movable connection between the movable rod 501 and the second connecting shaft 4 of the universal joint.

[0043] As shown in Figure 1 , the other end of the movable rod 501 is provided with a detector clamping unit 503.

[0044] As a preferred scheme of the present embodiment, as shown in Figure 1 , the detector clamping unit 503 includes a clamping rod 50305 arranged in the vertical direction, and the bottom of the clamping rod 50305 is connected with the other end of the movable rod 501 by using a clamping rod fastening screw 504.

[0045] As shown in Figure 1 , the top of the clamping rod 50305 is provided with a U-shaped clamping block 50301 opening upward, and the bottom of the U-shaped clamping block 50301 is perpendicular to the two side walls of the U-shaped clamping block 50301. An L-shaped clamping plate 50302 is arranged in the direction perpendicular to the two side walls of the U-shaped clamping block 50301 inside the U-shaped clamping block 50301, and the L-shaped clamping plate 50302 and one side wall of the U-shaped clamping block 50301 realize three-face contact fixation of the handheld roughness detector 7.

[0046] As a preferred scheme of the present embodiment, as shown in Figure 1 , the L-shaped clamping plate 50302 includes an L-shaped clamping plate bottom plate 5030201, and the L-shaped clamping plate bottom plate 5030201 is parallel to the two side walls of the U-shaped clamping block 50301.

[0047] As shown in Figure 2 , the L-shaped clamping plate bottom plate 5030201 is provided with a first anti-skid rubber pad 5030202 on the side in contact with the handheld roughness detector 7.

[0048] As shown in Figure 2 , the U-shaped clamping block 50301 is also provided with a second anti-skid rubber pad 5030101 on the side in contact with the handheld roughness detector 7.

[0049] As a preferred scheme of the present embodiment, as shown in Figure 1 , an L-shaped clamping plate sliding groove 5030102 is opened on the bottom upper surface of the U-shaped clamping block 50301 in the direction perpendicular to the two side walls of the U-shaped clamping block 50301, and the L-shaped clamping plate bottom plate 5030201 is provided with an L-shaped clamping plate sliding block 5030203 on the side in contact with the L-shaped clamping plate sliding groove 5030102. The L-shaped clamping plate sliding block 5030203 can make the L-shaped clamping plate 50302 slide in the opening direction of the L-shaped clamping plate sliding groove 5030102.

[0050] As Figure 1 shown, the other side wall of the U-shaped clamping block 50301 which is not in contact with the handheld roughness detector 7 is provided with a through-side-wall screw hole 5030103, and an L-shaped clamping plate fixing screw 50303 is arranged in the screw hole 5030103.

[0051] As Figure 1 shown, one end of the L-shaped clamping plate fixing screw 50303 is fixedly connected with the bottom plate 5030201 of the L-shaped clamping plate, and the other end of the L-shaped clamping plate fixing screw 50303 is provided with a screw rod fastening screw 50304.

[0052] In this embodiment, by moving the L-shaped clamping plate 50302 on the L-shaped clamping plate sliding groove 5030102, the clamping range is adjusted, the clamping width is determined according to the size of the handheld roughness detector 7, the screw rod fastening screw 50304 is rotated, and the clamping is locked.

[0053] The device in this embodiment, when in use, specifically includes the following steps:

[0054] Step one, open the magnetic table stand 1 and fix the magnetic table stand 1 on the metal workbench, preliminarily lock the universal positioning screw 6 and the adjusting screw 502, that is, preliminarily fix the universal joint first connecting shaft 2, the universal joint second connecting shaft 4 and the movable rod 501.

[0055] Step two, fix the detector clamping unit 503 on the movable rod 501 by the clamping rod fastening screw 504, loosen the universal positioning screw 6 according to the tooth surface height and direction, manually adjust to the required posture, tighten the universal positioning screw 6 to fix the device posture. Slide the L-shaped clamping plate 50302, rotate the screw rod fastening screw 50304, so that the L-shaped clamping plate 50302 and one side wall of the U-shaped clamping block 50301 realize three-side contact fixation with the handheld roughness detector 7, that is, the clamping type fixation. Rotate the adjusting screw 502 to adjust the angle of the handheld roughness detector 7, so that the tooth surface to be measured is in a horizontal state, and the measuring head is located in the middle of the tooth width. Move the measuring head to the tooth root to start measurement.

[0056] Step three, move the measuring head away from the tooth surface, loosen the universal positioning screw 6, so that the detector clamping unit 503 can rotate, and then lock the universal positioning screw 6 to lock the device after rotating 180°. Adjust the adjusting screw 502 to make the measuring head located in the middle of the tooth width, move the measuring head to the required position, and start measuring the roughness of the other side.

[0057] Step four, loosen the screw rod fastening screw 50304, take the handheld roughness detector 7 off the test device, and complete the tooth surface roughness measurement.

Claims

1. A hand-held roughness detector aid, characterized in that, The utility model relates to a hand -held roughness detector fixing device, including magnetic watch stand (1), the top of magnetic watch stand (1) with the bottom fixed connection of the vertical direction setting universal joint first connecting shaft (2), the top of universal joint first connecting shaft (2) swing joint has universal joint (3), universal joint (3) still with the swing joint of universal joint second connecting shaft (4) one end, the other end of universal joint second connecting shaft (4) is provided with detection instrument clamping installation unit (5); The universal positioning screw (6) is arranged on the universal joint (3), and the universal positioning screw (6) can fix the swing joint of the universal joint first connecting shaft (2) and the universal joint second connecting shaft (4).

2. The hand-held roughness detector accessory of claim 1, wherein, The detection instrument clamping installation unit (5) includes a movable rod (501), one end of the movable rod (501) is swing connected with the other end of the universal joint second connecting shaft (4), and the movable rod (501) can rotate around the connection between the movable rod (501) and the universal joint second connecting shaft (4) as the center; One end of the movable rod (501) is also provided with an adjusting screw (502), and the adjusting screw (502) can fix the swing joint of the movable rod (501) and the universal joint second connecting shaft (4). The other end of the movable rod (501) is provided with a detection instrument clamping unit (503).

3. The hand-held roughness detector accessory of claim 2, wherein, The detection instrument clamping unit (503) includes a clamping rod (50305) arranged in the vertical direction, and the bottom of the clamping rod (50305) is connected with the other end of the movable rod (501) by using a clamping rod fastening screw (504). The top of the clamping rod (50305) is provided with a U-shaped clamping block (50301) with an upward opening, the bottom of the U-shaped clamping block (50301) is perpendicular to the two side walls of the U-shaped clamping block (50301), and an L-shaped clamping plate (50302) is arranged in the U-shaped clamping block (50301) in a direction perpendicular to the two side walls of the U-shaped clamping block (50301), and the L-shaped clamping plate (50302) is opposite to one side wall of the U-shaped clamping block (50301) to realize three-face contact fixation of the hand-held roughness detector (7).

4. The hand-held roughness detector accessory of claim 3, wherein, The L-shaped clamping plate (50302) includes an L-shaped clamping plate bottom plate (5030201), and the L-shaped clamping plate bottom plate (5030201) is parallel to the two side walls of the U-shaped clamping block (50301). One side of the L-shaped clamping plate bottom plate (5030201) in contact with the hand-held roughness detector (7) is provided with a first anti-skid rubber pad (5030202). One side of the U-shaped clamping block (50301) in contact with the hand-held roughness detector (7) is also provided with a second anti-skid rubber pad (5030101).

5. The hand-held roughness detector accessory of claim 4, wherein, The bottom upper surface of the U-shaped clamping block (50301) is provided with an L-shaped clamping plate sliding groove (5030102) in the direction perpendicular to the two side walls of the U-shaped clamping block (50301), one side of the bottom plate (5030201) of the L-shaped clamping plate in contact with the L-shaped clamping plate sliding groove (5030102) is provided with an L-shaped clamping plate sliding block (5030203), and the L-shaped clamping plate sliding block (5030203) can slide the L-shaped clamping plate (50302) in the slotting direction of the L-shaped clamping plate sliding groove (5030102); The other side wall of the U-shaped clamping block (50301) not in contact with the handheld roughness detector (7) is provided with a through side wall screw hole (5030103), and the screw hole (5030103) is provided with an L-shaped clamping plate fixing screw rod (50303); One end of the L-shaped clamping plate fixing screw rod (50303) is fixedly connected with the bottom plate (5030201) of the L-shaped clamping plate, and the other end of the L-shaped clamping plate fixing screw rod (50303) is provided with a screw rod fastening screw (50304).