CN218211151U

CN218211151U - Roughness quality inspection equipment

Info

Publication number: CN218211151U
Application number: CN202221840076.1U
Authority: CN
Inventors: 杨玉春; 张萌
Original assignee: Tianjin Hejiecheng Automation Technology Co ltd
Current assignee: Tianjin Hejiecheng Automation Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-01-03
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a roughness quality inspection device, which comprises a workpiece conveying unit, a roughness detection unit, a transportation device and a workbench, wherein the workbench is fixed at the top of the transportation device, and a standard plate fixing component and a roughness detection unit are fixed on the workbench; the roughness detection unit comprises a driving assembly, a standard sheet fixing assembly and a workpiece positioning assembly, wherein the driving assembly is fixed on the workbench, and a first roughness measurement assembly is fixed on the driving assembly. The beneficial effects of the utility model are that, the work piece transports the unit and mutually supports with roughness measurement unit, will wait to detect the work piece centre gripping before detecting the roughness value and wait to detect the region in, need not artifical material loading.

Description

Roughness quality inspection equipment

Technical Field

The utility model relates to a roughness measurement technical field, especially roughness quality testing equipment.

Background

The surface roughness is the most common parameter for describing the surface micro-topography, reflects the micro-geometric shape error of the workpiece surface, and the accurate measurement of the part surface roughness is particularly important in the precision machining and manufacturing industries along with the increasing requirements on the surface quality of the machined parts. The measuring method of mechanical contact needle type is that a diamond contact needle with a width of several micrometers is vertically placed on the surface to be measured and transversely moved, the contact needle makes vertical fluctuation movement along with the contour shape of the surface, and the tiny displacement signal is converted into electric signal and processed, so that the value of the surface roughness is obtained. However, in the process of measuring the roughness, only a certain area is linearly moved for measurement, and the measurement result is one-sided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a roughness quality inspection device is designed.

The device comprises a workpiece conveying unit, a roughness detection unit, a conveying device and a workbench, wherein the workbench is fixed on the top of the conveying device, and a standard sheet fixing assembly and a roughness detection unit are fixed on the workbench; the roughness detection unit comprises a driving assembly, a standard sheet fixing assembly and a workpiece positioning assembly, wherein the driving assembly is fixed on the workbench, and a first roughness measurement assembly is fixed on the driving assembly.

Further, drive assembly includes first drive arrangement, first lead screw, first nut and fixing base, be fixed with the fixing base on the workstation, the fixing base rotates and is provided with first lead screw, first lead screw is fixed with first drive arrangement, first lead screw threaded connection has first nut, first nut fixedly connected with roughness measurement subassembly.

Furthermore, the first roughness measurement assembly comprises a first detection pen and a telescopic cylinder, the telescopic cylinder is fixed with the first detection pen, and the first detection pen faces towards the workpiece positioning assembly and the standard plate fixing assembly.

Further, the first roughness measurement subassembly still includes the display screen, the display screen with first detection pen electric connection.

Further, the fixed subassembly of standard piece includes bottom plate, roughness calibration piece and briquetting, be fixed with the bottom plate on the workstation, the constant head tank has been seted up on the bottom plate, be equipped with the roughness calibration piece in the constant head tank, briquetting one end is fixed in the bottom plate, the briquetting other end and roughness calibration piece contact.

Further, the workpiece positioning assembly comprises a positioning seat, a first sliding block, a second sliding block, a left clamping seat and a right clamping seat, the positioning seat is fixed on the workbench, a sliding groove is formed in the positioning seat, the first sliding block and the second sliding block are arranged in a sliding mode through the sliding groove, the left clamping seat is fixed on the first sliding block, the right clamping seat is fixed on the second sliding block, and the left clamping seat and the right clamping seat form a space for containing a workpiece to be detected.

Further, the workpiece conveying unit comprises a manipulator, a pneumatic finger and a clamping piece, the pneumatic finger is fixed at the end of the manipulator, the clamping piece is fixed at the clamping jaw end of the pneumatic finger, and the clamping piece is used for clamping the workpiece.

Furthermore, a floating adjusting unit is fixed between the pneumatic finger and the manipulator and comprises a first connecting plate, a second connecting plate and elastic pieces, the first connecting plate is fixed at the end of the manipulator, the second connecting plate is fixed at the cylinder end of the pneumatic finger, and at least two elastic pieces are fixed between the first connecting plate and the second connecting plate.

Further, a guide post is fixed on the second connecting plate, and the guide post penetrates through the first connecting plate and can move along the first connecting plate.

Further, roughness detecting element still includes second roughness measurement subassembly, second roughness measurement subassembly includes internal gear, swing pinion, outer lane wheel and second detection pen, first nut rotates and is provided with the internal gear, first nut is fixed with the outer lane wheel, the outer lane gear set up in the internal gear is outer and the two coaxial setting, swing pinion with the internal gear outer lane wheel all meshes, swing pinion is fixed with the second detection pen.

Utilize the utility model discloses a roughness quality testing equipment of technical scheme preparation, the beneficial effect who reaches: the workpiece conveying unit is matched with the roughness detection unit, and a workpiece to be detected is clamped into a region to be detected before the roughness value is detected without manual feeding;

the workpiece positioning unit stably fixes the workpiece to be detected at the worktable, can be correspondingly adjusted according to different lengths of the workpiece, and is suitable for workpieces to be detected with various specifications;

the roughness value detection result has various comparison results, can be compared with the roughness calibration sheet, and can also be compared with the circumferential detection result by selecting a linear result, so that the result error is smaller.

Drawings

Fig. 1 is a front view of the roughness quality inspection apparatus of the present invention;

fig. 2 is a side view of the roughness quality inspection apparatus of the present invention;

fig. 3 is a top view of the roughness quality inspection apparatus of the present invention;

fig. 4 is a schematic structural view of a driving assembly of the roughness quality inspection apparatus of the present invention;

fig. 5 is a schematic structural diagram of a first roughness measuring component of the roughness quality inspection apparatus of the present invention;

FIG. 6 is a cross-sectional view of a workpiece positioning assembly of the roughness quality inspection apparatus of the present invention;

fig. 7 is a schematic structural view of a second roughness measuring assembly of the roughness quality testing apparatus according to the present invention;

fig. 8 is a schematic structural diagram of a floating adjustment unit according to the present invention;

in the figure, 1, a workpiece conveying unit; 11. a manipulator; 12. a pneumatic finger; 13. a clamping member; 14. A floating adjustment unit; 141. a first connecting plate; 142. a second connecting plate; 143. an elastic member; 144. a guide post; 2. a roughness detecting unit; 3. a drive assembly; 31. a first driving device; 32. a first lead screw; 33. a first nut; 34. a fixed seat; 4. a standard sheet fixing component; 41. a base plate; 42. A roughness calibration sheet; 43. briquetting; 5. a workpiece positioning assembly; 51. positioning seats; 52. a first slider; 53. a second slider; 54. a left clamping seat; 55. a right clamping seat; 56. a chute; 6. a first roughness measurement assembly; 61. a first test pen; 62. a telescopic cylinder; 7. a second roughness measurement assembly; 71. a second test pen; 72. an inner gear; 73. a rotating gear; 74. an outer ring wheel; 8. A transportation device; 9. a work table; 10. a display screen.

Detailed Description

The first embodiment is as follows:

the utility model discloses it is described specifically below with the accompanying drawings, as shown in fig. 1-3, roughness quality testing equipment, transport unit 1, roughness detecting element 2, transportation equipment 8 and workstation 9 including the work piece, transportation equipment 8 top is fixed with workstation 9, workstation 9 is fixed with standard piece fixed subassembly 4 and roughness detecting element 2. The transportation device 8 is used for moving the quality inspection device to the working position integrally, and the transportation device 8 can be selected to be a trolley with rollers and the like. The workpiece conveying unit 1 clamps a workpiece to be detected to the workbench 9, and the roughness of the product is detected to be qualified through the roughness detecting unit 2.

The roughness detection unit 2 comprises a driving component 3 fixed on the workbench 9, a standard sheet fixing component 4 and a workpiece positioning component 5, and a first roughness measurement component 6 is fixed on the driving component 3. The driving assembly 3 drives the first roughness measurement assembly 6 to be close to the standard sheet fixing assembly 4 and the workpiece positioning assembly 5, the standard sheet fixing assembly 4 is used for fixing the roughness calibration sheet, the roughness value of the roughness calibration sheet is the roughness value to be reached by the workpiece to be detected, the workpiece positioning assembly 5 is used for fixing the workpiece to be detected, the first roughness measurement assembly 6 respectively measures the roughness of the surface to be detected of the roughness calibration sheet and the workpiece to be detected, the roughness waveforms output by the roughness measurement assembly and the roughness measurement assembly are compared, and whether the workpiece to be detected is a qualified product is determined.

The workpiece conveying unit 1 comprises a manipulator 11, a pneumatic finger 12 and a clamping piece 13, wherein the pneumatic finger 12 is fixed at the end part of the manipulator 11, the clamping piece 13 is fixed at the clamping jaw end of the pneumatic finger 12, and the clamping piece 13 is used for clamping a workpiece. The manipulator 11 can realize multi-angle and change the height of centre gripping work piece, and the manipulator 11 is prior art, and this is not repeated herein. The tail end of the manipulator 11 is fixed with a pneumatic finger 12, the pneumatic finger 12 can drive the two clamping pieces 13 to open for a certain angle or close together, and when the clamping pieces 13 are in a close state, a workpiece to be detected is clamped.

As shown in fig. 8, a floating adjustment unit 14 is fixed between the pneumatic finger 12 and the manipulator 11, the floating adjustment unit 14 includes a first connection plate 141, a second connection plate 142, and elastic members 143, the first connection plate 141 is fixed to an end of the manipulator 11, the second connection plate 142 is fixed to a cylinder end of the pneumatic finger 12, and at least two elastic members 143 are fixed between the first connection plate 141 and the second connection plate 142. A guide post 144 is fixed to the second connecting plate 142, and the guide post 144 passes through the first connecting plate 141 and is movable along the first connecting plate 141. Since the clamping member may collide with the workpiece to be detected when moving along with the manipulator 11, which may cause scratches on the surface of the workpiece to be detected, the floating adjustment unit 14 is provided to improve this phenomenon, the elastic member 143 may change the distance between the first connecting plate 141 and the second connecting plate 142 by a small amount, and if the end of the clamping member collides with the workpiece to be detected, the clamping member may retract by a small amount under the action of the elastic member 143, which reduces the collision degree of the workpiece to be detected. In order to improve the smoothness of the movement between the first connecting plate 141 and the second connecting plate 142, a guide post 144 is disposed therebetween.

As shown in fig. 4, the driving assembly 3 includes a first driving device 31, a first lead screw 32, a first nut 33 and a fixed seat 34, the fixed seat 34 is fixed on the workbench 9, the fixed seat 34 is rotatably provided with the first lead screw 32, the first lead screw 32 is fixed with the first driving device 31, the first lead screw 32 is in threaded connection with the first nut 33, and the first nut 33 is fixedly connected with the first roughness measuring assembly 6. The first driving device 31 can be selected as a motor, the first driving device 31 drives the first lead screw 32 to rotate, and the first nut 33 in threaded connection with the first lead screw 32 moves along the first lead screw 32, so that the distance between the first roughness measuring assembly 6 and the workbench 9 is adjusted, and the detection pen in the first roughness measuring assembly 6 acts on the surface to be detected.

As shown in fig. 5, the first roughness measuring unit 6 includes a first detecting pen 61 and a telescopic cylinder 62, the first detecting pen 61 is fixed to the telescopic cylinder 62, and the first detecting pen 61 is disposed toward the workpiece positioning unit 5 and the reticle fixing unit 4. The first roughness measurement assembly 6 further comprises a display screen 10, and the display screen 10 is electrically connected with the first detection pen 61. The telescopic cylinder 62 drives the first detection pen 61 to slide along the surface to be detected, the sensor is arranged in the first detection pen 61, a diamond contact pin is arranged at one end of a sensor side rod, the curvature radius of the tip of the contact pin is small, the contact pin is required to be in contact with the surface to be detected during measurement, when the contact pin slightly slides on the surface to be detected of a workpiece, due to the fact that the peak valley of the profile of the surface to be detected fluctuates, the contact pin vertically moves in the direction of the surface of the profile to be detected, a moving signal generated by the contact pin is amplified through an electronic device, and a measurement result is displayed through the display screen 10.

As shown in fig. 1-3, the standard sheet fixing component 4 includes a bottom plate 41, a roughness calibration sheet 42 and a pressing block 43, the bottom plate 41 is fixed on the workbench 9, a positioning groove is formed on the bottom plate 41, the roughness calibration sheet 42 is arranged in the positioning groove, one end of the pressing block 43 is fixed on the bottom plate 41, and the other end of the pressing block 43 contacts with the roughness calibration sheet 42. Because the waveform output by the surface to be detected of the workpiece to be detected through the stylus method is different from the waveform output by the roughness calibration sheet 42 through the stylus method, the workbench 9 is provided with the standard sheet fixing component 4 and the workpiece positioning component 5, and the first roughness measurement component 6 respectively measures the roughness values of the roughness calibration sheet 42 and the workpiece to be detected.

As shown in fig. 6, the workpiece positioning assembly 5 includes a positioning seat 51, a first slider 52, a second slider 53, a left clamping seat 54, and a right clamping seat 55, the positioning seat 51 is fixed on the workbench 9, the positioning seat 51 is provided with a sliding slot 56, the first slider 52 and the second slider 53 are both arranged in a sliding manner with the sliding slot 56, the first slider 52 is fixed with the left clamping seat 54, the second slider 53 is fixed with the right clamping seat 55, and the left clamping seat 54 and the right clamping seat 55 form a space for accommodating a workpiece to be detected. Taking a long-strip-shaped workpiece as an example, after the manipulator 11 is matched with a clamping piece to place the workpiece to be detected in the accommodating space formed by the left clamping seat 54 and the right clamping seat 55, the left clamping seat 54 and the right clamping seat 55 are respectively moved to push the head and the tail of the workpiece, the positions of the left clamping seat 54 and the right clamping seat 55 are fixed, the workpiece is positioned at the position, and the position is right below the first detection pen 61. The cross section of the sliding groove 56 is T-shaped, and the first sliding block 52 moves along the sliding groove 56, so that the first sliding block 52, the second sliding block 53 and the positioning seat 51 can form a platform capable of directly contacting with a workpiece all the time, and a platform for fixing the workpiece does not need to be additionally arranged.

Example two:

the present embodiment is different from the first embodiment in that, in the present embodiment, since the to-be-detected surfaces of some workpieces to be detected are in an annular or circular state, if a linear detection track is still adopted, the detection result is one-sided. Then, the roughness value is adjusted from a linear motion to a circular motion, as shown in fig. 7, the roughness detecting unit 2 further includes a second roughness measuring assembly 7, the second roughness measuring assembly 7 includes an internal gear 72, a rotating gear 73, an outer ring wheel 74 and a second detecting pen 71, the first nut 33 is rotatably provided with the internal gear 72, the first nut 33 is fixed with the outer ring wheel 74, the outer ring wheel 74 is arranged outside the internal gear 72 and coaxially with the internal gear 72, the rotating gear 73 is meshed with both the internal gear 72 and the outer ring wheel 74, and the second detecting pen 71 is fixed on the rotating gear 73. The inner gear 72 is fixed with a driving device, and can rotate under the driving of the driving device, because the outer ring wheel 74 is fixed at the first nut 33, the inner gear will drive the rotating gear 73 to rotate when rotating, the rotating gear 73 will drive the second detection pen 71 to make circular motion, and the motion track acting on the surface to be detected is circular motion.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The roughness quality inspection equipment is characterized by comprising a workpiece conveying unit (1), a roughness detection unit (2), a conveying device (8) and a workbench (9), wherein the workbench (9) is fixed on the top of the conveying device (8), and a standard sheet fixing assembly (4) and the roughness detection unit (2) are fixed on the workbench (9);

the roughness detection unit (2) comprises a driving component (3) fixed on the workbench (9), a standard sheet fixing component (4) and a workpiece positioning component (5), and a first roughness measurement component (6) is fixed on the driving component (3).

2. The roughness quality inspection equipment according to claim 1, characterized in that the drive assembly (3) comprises a first drive device (31), a first lead screw (32), a first nut (33) and a fixed seat (34), the fixed seat (34) is fixed on the workbench (9), the fixed seat (34) is rotatably provided with the first lead screw (32), the first lead screw (32) is fixed with the first drive device (31), the first lead screw (32) is in threaded connection with the first nut (33), and the first nut (33) is fixedly connected with the first roughness measurement assembly (6).

3. The roughness quality inspection apparatus according to claim 1, wherein the first roughness measuring assembly (6) comprises a first inspection pen (61) and a telescopic cylinder (62), the telescopic cylinder (62) being fixed with the first inspection pen (61), the first inspection pen (61) being disposed toward the workpiece positioning assembly (5) and the reticle fixing assembly (4).

4. The roughness quality inspection apparatus according to claim 3, wherein the first roughness measurement assembly (6) further comprises a display screen (10), the display screen (10) being electrically connected to the first inspection pen (61).

5. The roughness quality inspection equipment according to claim 1, wherein the standard sheet fixing component (4) comprises a bottom plate (41), a roughness calibration sheet (42) and a pressing block (43), the bottom plate (41) is fixed on the workbench (9), a positioning groove is formed in the bottom plate (41), the roughness calibration sheet (42) is arranged in the positioning groove, one end of the pressing block (43) is fixed on the bottom plate (41), and the other end of the pressing block (43) is in contact with the roughness calibration sheet (42).

6. The roughness quality inspection equipment of claim 1, characterized in that the workpiece positioning assembly (5) comprises a positioning seat (51), a first slide block (52), a second slide block (53), a left clamping seat (54) and a right clamping seat (55), the positioning seat (51) is fixed on the workbench (9), a sliding groove (56) is formed in the positioning seat (51), the first slide block (52) and the second slide block (53) are both arranged in a sliding manner with the sliding groove (56), the left clamping seat (54) is fixed on the first slide block (52), the right clamping seat (55) is fixed on the second slide block (53), and the left clamping seat (54) and the right clamping seat (55) form a space for accommodating a workpiece to be detected.

7. The roughness quality inspection apparatus according to claim 1, wherein the workpiece transport unit (1) comprises a manipulator (11), a pneumatic finger (12) and a clamping piece (13), the pneumatic finger (12) is fixed at the end of the manipulator (11), the clamping piece (13) is fixed at the clamping jaw end of the pneumatic finger (12), and the clamping piece (13) is used for clamping the workpiece.

8. The roughness quality inspection equipment of claim 7, characterized in that, a floating adjusting unit (14) is fixed between the pneumatic finger (12) and the manipulator (11), the floating adjusting unit (14) comprises a first connecting plate (141), a second connecting plate (142) and elastic pieces (143), the first connecting plate (141) is fixed at the end of the manipulator (11), the second connecting plate (142) is fixed at the cylinder end of the pneumatic finger (12), and at least two elastic pieces (143) are fixed between the first connecting plate (141) and the second connecting plate (142).

9. The roughness quality inspection apparatus according to claim 8, wherein a guide post (144) is fixed to the second connecting plate (142), the guide post (144) passing through the first connecting plate (141) and being movable along the first connecting plate (141).

10. The roughness quality inspection apparatus according to claim 2, wherein the roughness detecting unit (2) further comprises a second roughness measuring assembly (7), the second roughness measuring assembly (7) comprises an internal gear (72), a rotating gear (73), an outer ring wheel (74) and a second detecting pen (71), the first nut (33) is rotatably provided with the internal gear (72), the first nut (33) is fixed with the outer ring wheel (74), the outer ring wheel (74) is arranged outside the internal gear (72) and coaxially arranged with the internal gear (72), the rotating gear (73) is meshed with the internal gear (72) and the outer ring wheel (74), and the rotating gear (73) is fixed with the second detecting pen (71).