Workpiece surface roughness detection device

Abstract

A workpiece surface roughness detection device belongs to the technical field of workpiece roughness detection equipment and comprises a workbench, a rotating table is rotatably mounted on the upper surface of the workbench, two supporting columns are symmetrically and fixedly mounted on the upper surface of the rotating table, a carrying table is fixedly mounted between the top ends of the two supporting columns, and an inner clamping device is mounted in the carrying table. A stand column is fixedly installed on the upper surface of the workbench, a sliding sleeve is arranged on the outer surface of the stand column in a sleeved mode, a sleeve box is fixedly installed on the right surface of the sliding sleeve, and a surface roughness detector body is detachably installed in the sleeve box. The device is simple in structure, is especially suitable for deep holes and complex inner wall structures, can achieve the in-situ 360-degree rotation detection of a workpiece through the manual operation of the rotary platform deck, does not need to turn over in the midway, reduces the manufacturing cost by 40% after an electric rotating mechanism is omitted, is convenient to maintain, and remarkably improves the efficiency and economical efficiency of the surface roughness detection of shaft barrel type workpieces.

Description

TECHNICAL FIELD

[0001] The utility model belongs to workpiece roughness detection equipment technical field, concretely relates to a workpiece surface roughness detection device. BACKGROUND

[0002] At present, the surface roughness detection of shaft cylinder workpieces (such as bearing sleeve) is a key link in the manufacturing process.

[0003] The traditional detection device usually adopts an outer clamping method to position the workpiece, but this method has the following technical defects:

[0004] ①When the bearing platform is clamped and fixed by using the outer clamping method, it needs to be turned over and adjusted during detection, and the position clamped previously needs to be detected again to ensure the comprehensiveness of detection, which is relatively laborious to operate.

[0005] ②The existing detection device relies on a motorized rotating mechanism to drive the carrier and a motorized clamping mechanism, which has the problems of high energy consumption, complex structure and high manufacturing cost.

[0006] Therefore, another workpiece surface roughness detection device is provided to solve the above technical problems. INVENTION CONTENTS

[0007] In view of the above-mentioned defects of the prior art, the purpose of the utility model is to provide a workpiece surface roughness detection device to solve the problems of workpiece turning adjustment operation, laborious operation and high equipment manufacturing cost when detecting the surface roughness of shaft cylinder workpieces in the prior art.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0009] A workpiece surface roughness detection device, comprising a workbench, a rotating table is rotatably installed on the upper surface of the workbench, two support columns are symmetrically and fixedly installed on the upper surface of the rotating table, a carrier is fixedly installed between the top ends of the two support columns, an inner clamping device is installed in the carrier, a stand is fixedly installed on the upper surface of the workbench, a sliding sleeve is sleeved on the outer surface of the stand, a box is fixedly installed on the right surface of the sliding sleeve, and a surface roughness detector main body is detachably installed in the box.

[0010] In the above technical scheme, the upper surface of the carrier is circumferentially and equidistantly provided with three sliding grooves, the inner sides of the three sliding grooves are interconnected, a through opening is formed through the communication part of the three sliding grooves, and a containing groove is formed in each sliding groove.

[0011] The inner clamping device comprises three sliders which are slidingly installed in corresponding sliding grooves, and the upper surfaces of the sliders are fixedly installed with tight columns, and the sides away from each other of the three sliders are fixedly installed with directional rods which penetrate the outer surface of the loading platform, and the sides away from each other of the three sliders are fixedly installed with springs between corresponding accommodating grooves;

[0012] The three guiding wheels are rotatingly installed in the through hole, the sides opposite to each other of the three sliders are fixedly connected with operation ropes, the operation ropes pass through the corresponding guiding wheels, and the ends away from the sliders of the three operation ropes are fixedly connected with pull rings after penetrating the through hole;

[0013] In the technical scheme, the left surface of the sliding sleeve is penetratingly screwed with a tight abutting bolt A, and the right end of the tight abutting bolt A is attached to the outer surface of the stand column;

[0014] In the technical scheme, the upper surface of the sleeve box is penetratingly screwed with a tight abutting bolt B, and the lower end of the tight abutting bolt B is attached to the upper surface of the surface roughness detector main body;

[0015] In the technical scheme, the front surface of the sleeve box is fixedly installed with an infrared laser positioner;

[0016] In the technical scheme, the lower surface of the rotating table is fixedly installed with a supporting column which is rotatingly installed in the upper surface of the workbench.

[0017] Compared with the prior art, the workpiece surface roughness detection device has the beneficial effects that:

[0018] The spring pre-tightening driving three tight columns synchronous movement positioning avoids the outer clamping reference deviation, ensures that the detection reference is consistent with the workpiece axis, is especially suitable for deep holes and complex inner wall structures, the manual operation rotating table can realize 360° rotating detection of the workpiece in place, does not need to turn over in the middle, and the detection efficiency is improved by more than 50%; the manufacturing cost is reduced by 40% after the electric rotating mechanism is cancelled, maintenance is convenient, and the efficiency and economy of the surface roughness detection of the shaft cylinder workpiece are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0020] Figure 2 It is a workbench cross section structure schematic view of the utility model.

[0021] Figure 3 It is a loading plate cross section structure schematic view of the utility model.

[0022] Figure 4 It is a structure schematic view when the utility model is used.

[0023] Figures 1-4 The components include: 1. Worktable; 2. Rotary table; 21. Support column; 22. Transfer column; 3. Platform; 31. Slide groove; 32. Receiving groove; 4. Internal clamping device; 41. Slider; 42. Fastening column; 43. Orienting rod; 44. Spring; 45. Guide wheel; 46. Operating rope; 5. Column; 6. Sliding sleeve; 61. Clamping bolt A; 7. Sleeve box; 71. Clamping bolt B; 8. Surface roughness detector body; 9. Infrared laser positioner. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] In this embodiment, front, back, left, right, top, and bottom are... Figure 1 Describe the reference plane. See [link / reference] Figures 1-4 This utility model provides a technical solution:

[0026] Combination Figure 1 As shown, a workpiece surface roughness detection device includes a worktable 1. A transition column 22 is rotatably mounted on the upper surface of the worktable 1 via a bearing. A rotary table 2 is fixedly welded to the upper surface of the transition column 22. Two support columns 21 are symmetrically welded to the upper surface of the rotary table 2. A platform 3 is fixedly connected between the top ends of the two support columns 21 by bolts. An inner clamping device 4 is installed inside the platform 3. The inner clamping device 4 is used to clamp and fix the workpiece from the inside, which can avoid obscuring the outer surface of the workpiece and facilitate the roughness detection of its outer surface.

[0027] like Figure 3 As shown, three sliding grooves 31 are circumferentially and equidistantly provided on the platform surface of the platform 3;

[0028] The inner clamping device 4 comprises three sliding blocks 41, the sliding blocks 41 are respectively slidingly installed in the corresponding sliding grooves 31, and the upper surfaces of the sliding blocks 41 are all welded to install the clamping columns 42, the sides away from each other of the three sliding blocks 41 are all provided with installation grooves, the installation grooves are all fixedly installed with the directional rods 43 through bolts, the directional rods 43 all penetrate the outer surface of the loading platform 3 and are slidingly connected with the loading platform 3, the sides away from each other of the three sliding blocks 41 are all welded to fixedly install the springs 44, the sliding grooves 31 are all provided with containing grooves 32, the ends of the containing grooves 32 are fixedly connected with the outer side ends of the corresponding springs 44 through the application of anaerobic glue, the lower sides of the close ends of the three sliding grooves 31 are all provided with through openings, and the close ends of the three sliding grooves 31 are all rotatably installed with the guide wheels 45, the sides opposite to each other of the three sliding blocks 41 are all fixedly connected with the operation ropes 46, the operation ropes 46 respectively pass through the corresponding guide wheels 45, and the ends, away from the sliding blocks 41, of the three operation ropes 46 are fixedly connected with the pull rings.

[0029] The operation ropes 46 can drag the sliding blocks 41 along the direction of the sliding grooves 31 through the guidance of the guide wheels 45, the operation ropes 46 can be synchronously pulled downward at the pull rings, so as to synchronously move the three sliding blocks 41 to the inner side, and further move the three clamping columns 42 to the inner side to reduce the clamping diameter, when the hand pulling the operation ropes 46 is released, the three sliding blocks 41 will move to the outer side under the action of the springs 44, so as to clamp and fix the workpiece in the shaft cylinder from the inner side, after clamping and fixing, the outer surface of the workpiece is not shielded, which can facilitate the roughness detection work of the outer surface, so that the workpiece no longer needs to be operated during the detection process, and the operation is more convenient and fast.

[0030] A stand column 5 is also welded to install on the table top of the workbench 1, the left side of the loading platform 3 of the stand column 5, and the outer surface of the stand column 5 is sleeved with a sliding sleeve 6, the outer surface of the stand column 5 is provided with a key groove, and the inner surface of the sliding sleeve 6 is welded to arrange a sliding key, after the sliding key is inserted into the key groove, the sliding sleeve 6 can be guaranteed to vertically slide up and down to adjust the position, a resisting bolt A61 is penetratingly screwed to install on the left surface of the sliding sleeve 6, after the resisting bolt A61 is tightened, the right end thereof is attached to the outer surface of the stand column 5, and after the attachment, the position of the sliding sleeve 6 is fixed.

[0031] A sleeve box 7 is fixedly installed on the right surface of the sliding sleeve 6, a surface roughness detector main body 8 is insertedly installed in the sleeve box 7, the surface roughness detector main body 8 is used for surface roughness detection of the shaft cylinder workpiece clamped on the inner clamping device 4 on the right side, a resisting bolt B71 is also penetratingly screwed to install on the upper surface of the sleeve box 7, after the resisting bolt B71 is tightened, and the lower end thereof is attached to the upper surface of the surface roughness detector main body 8, so as to fix the surface roughness detector main body 8 in the sleeve box 7.

[0032] Finally, in order to facilitate the viewing of the height position of the shaft cylinder detected by the surface roughness detector main body 8, a height position display device 9 is fixedly installed on the right surface of the sleeve box 7, the height position display device 9 is used for displaying the height position of the shaft cylinder detected by the surface roughness detector main body 8. Figure 4As shown, the infrared laser positioner 9 is fixedly installed on the front surface of the box 7, and the setting height of the infrared laser positioner 9 is consistent with the height of the surface roughness detector main body 8. When the infrared laser positioner 9 is electrically connected to the external power supply and turned on, it can irradiate the outer side of the shaft cylinder workpiece on the right side, and take the irradiation point as the reference to determine where the surface roughness detector main body 8 detects the height at this time.

[0033] Working principle, in use, manually pull down the pull ring below the operating rope 46, use the operating rope 46 to pull the slider 41 inward synchronously to drive the three tight columns 42 to move inward to reduce the clamping distance, then, set the shaft cylinder workpiece to be detected on the outside of the three tight columns 42, then, loosen the hand pulling the operating rope 46, the slider 41 moves outward under the action of the spring 44, the tight column 42 moves outward under the action of the slider 41 and is combined with the inner wall of the shaft cylinder workpiece, and the workpiece is clamped and fixed from the inside, then, connect the surface roughness detector main body 8 to the external power supply and turn it on, manually rotate the support column 22 to drive the workbench 3 to rotate, so as to drive the shaft cylinder workpiece to rotate in place for surface roughness detection, during the detection process, the position of the sliding sleeve 6 can be adjusted up and down to adjust the detection height of the surface roughness detector main body 8, during the adjustment process, the detection height of the surface roughness detector main body 8 is judged by referring to the irradiation point of the infrared laser positioner 9 irradiated on the shaft cylinder workpiece, the overall design of the device can clamp and fix the workpiece from the inside, and can manually operate the workpiece to rotate at the origin for surface roughness detection, compared with the prior art, the device can reduce the steps of turning over and adjusting the workpiece during the detection process, which is convenient to operate and improves the detection efficiency, in addition, the overall design of the device is equipped with a motor and other auxiliary rotating workpieces, which can greatly reduce the manufacturing cost, and is suitable for some small enterprises.

Claims

1. A workpiece surface roughness detection device comprising a worktable (1), characterized in that, The upper surface of the workbench (1) is rotatably provided with a rotating table (2), the upper surface of the rotating table (2) is symmetrically and fixedly provided with two supporting columns (21), the top ends of the two supporting columns (21) are fixedly provided with a loading table (3), the loading table (3) is internally provided with an inner clamping device (4), the upper surface of the workbench (1) is fixedly provided with a stand column (5), the outer surface of the stand column (5) is sleeved with a sliding sleeve (6), the right surface of the sliding sleeve (6) is fixedly provided with a sleeve box (7), and the sleeve box (7) is detachably provided with a surface roughness detector main body (8).

2. The workpiece surface roughness detection device of claim 1, wherein The upper surface of the loading table (3) is circumferentially and equidistantly provided with three sliding grooves (31), the inner side ends of the three sliding grooves (31) are communicated with each other, the communicating portions of the three sliding grooves (31) are through-provided with through openings, and the sliding grooves (31) are all provided with accommodating grooves (32); The inner clamping device (4) comprises three sliding blocks (41), the sliding blocks (41) are slidingly installed in the corresponding sliding grooves (31), the upper surfaces of the sliding blocks (41) are all fixedly provided with clamping columns (42), the sides, away from each other, of the three sliding blocks (41) are all fixedly provided with directional rods (43), the directional rods (43) all penetrate through the outer surface of the loading table (3), and the sides, away from each other, of the three sliding blocks (41) are all fixedly provided with springs (44) between the corresponding accommodating grooves (32); The through openings are rotatably provided with three guide wheels (45), the opposite sides of the three sliding blocks (41) are all fixedly connected with operation ropes (46), the operation ropes (46) pass through the corresponding guide wheels (45), and the ends, away from the sliding blocks (41), of the three operation ropes (46) are fixedly connected with pull rings after penetrating through the through openings.

3. The workpiece surface roughness detection device of claim 1, wherein The left surface of the sliding sleeve (6) is through-screwed and installed with a resisting bolt A (61), and the right end of the resisting bolt A (61) is attached to the outer surface of the stand column (5).

4. The workpiece surface roughness detection device of claim 1, wherein The upper surface of the sleeve box (7) is through-screwed and installed with a resisting bolt B (71), and the lower end of the resisting bolt B (71) is attached to the upper surface of the surface roughness detector main body (8).

5. The workpiece surface roughness detection device of claim 2, wherein The front surface of the sleeve box (7) is fixedly provided with an infrared laser positioner (9).

6. The workpiece surface roughness detection device of claim 1, wherein The lower surface of the rotating table (2) is fixedly provided with a supporting column (21), and the supporting column (21) is rotatably embedded in the upper surface of the workbench (1).

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