Surface detection device for glass fiber reinforced composite material

Abstract

The utility model relates to a surface detection device for a glass fiber reinforced composite material. The device comprises a vertical plate, a first line hole penetrating through the vertical plate, a rotating plate rotatably installed on one side of the vertical plate, a second line hole penetrating through the rotating plate, an adjusting plate adjusted in the radius direction of the rotating plate, a fixed plate fixed to the side, away from the vertical plate, of the adjusting plate, and an optical camera fixed to the side, close to the second line hole, of the fixed plate. According to the surface detection device for the glass fiber reinforced composite material, the rotating plate capable of rotating by 360 degrees is arranged on one side of the vertical plate, the optical camera is fixed on the rotating plate, dead-corner-free burr detection can be carried out on the peripheral surface of a glass fiber pipe, and pictures obtained after photographing and imaging of the optical camera are transmitted to a computer; according to the glass fiber tube burr detection device, workers can conveniently observe and distinguish burrs on the surface of a glass fiber tube, the efficiency and accuracy of glass fiber tube burr detection are improved, meanwhile, the cost input of manual detection is saved, and the cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of burr detection, and in particular relates to a surface detection device for glass fiber reinforced composite materials. Background Art

[0002] Glass fiber is a filament drawn from molten glass quickly. It can be divided into alkali, alkali-free, medium alkali and special glass fibers, such as high silica, quartz fiber, etc., according to the raw material components. Commonly used glass fiber composite materials generally refer to resin (such as epoxy resin, phenolic resin, unsaturated polyethylene resin, etc.) based composite materials, which can be formed by hand lay-up, winding, pressing and other molding processes, or injection and pultrusion molding processes. The pultrusion molding process of composite material profiles is to form and solidify continuous glass fiber bundles, tapes or cloth and other reinforcing materials impregnated with resin glue through an extrusion die under the action of traction, and continuously produce continuous fiber composite materials of unlimited length (according to actual needs, different structures of extrusion dies can be selected to obtain composite material profiles with different cross-sectional shapes).

[0003] After the glass fiber is impregnated with resin glue and initially cured, surface defects such as burrs are easily formed on the surface, which affects the quality of the product. In the prior art, surface defect detection of composite materials is mostly completed by visual method, that is, observing the surface of the composite material with the naked eye to see if there are defects. This method requires the operator to have certain experience and sense, and has high requirements for the operator's work experience. In addition, the operator is prone to visual fatigue after working for a long time, resulting in detection blind spots, which affects the efficiency of detection and the accuracy of the detection results. Utility Model Content

[0004] The utility model aims to provide a surface detection device for glass fiber reinforced composite materials in order to overcome the defects of the prior art that the presence of burrs is detected by visual method, which affects the detection efficiency and the accuracy of the detection result.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a surface detection device for glass fiber reinforced composite materials, which comprises:

[0006] A vertical plate, a first linear hole passing through the vertical plate, a rotating plate rotatably installed on one side of the vertical plate, a second linear hole passing through the rotating plate, an adjusting plate adjusted along the radial direction of the rotating plate, a fixed plate fixed on the side of the adjusting plate away from the vertical plate, and an optical camera fixed on the side of the fixed plate close to the second linear hole; the optical camera is selected from a CCD camera, a CMOS camera or a X-ray camera.

[0007] Optimally, it also includes a sliding member arranged between the vertical plate and the rotating plate, the sliding member includes a sliding rail fixed to one side of the vertical plate and a sliding block slidably mounted on the sliding rail, and the rotating plate is fixed on the sliding block.

[0008] Optimally, it also includes a light source board mounted on the optical camera, a lamp post arranged on the inner side of the light source board, a ring integrally connected to the top of the light source board, a fastening hole arranged on the ring, and a clamping rod inserted into the fastening hole, wherein the clamping rod is pressed against the outer peripheral surface of the optical camera.

[0009] Optimally, the slide rail comprises a slide rail body fixed to one side of the vertical plate and a sliding connection portion integrally arranged on a side of the slide rail body away from the vertical plate.

[0010] Optimally, the slider includes a slider body, a limit block integrally connected to the slider body on the side close to the slide rail body, a limit groove provided on the side opposite to the limit block, a pulley rotatably installed on the slider body on the side close to the slide rail body, and a slide groove provided on the outside of the pulley, and the sliding connection portion is clamped in the limit groove and the slide groove.

[0011] Optimally, the angle between the light of the lamp post and the axis of the light source panel is 0°.

[0012] Optimally, the angle between the light of the lamp post and the axis of the light source panel is 30°.

[0013] Optimally, the angle between the light of the lamp post and the axis of the light source panel is 45°.

[0014] Optimally, the angle between the light of the lamp post and the axis of the light source panel is 60°.

[0015] Optimally, the angle between the light of the lamp post and the axis of the light source panel is 90°.

[0016] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0017] The utility model discloses a surface detection device for glass fiber reinforced composite materials, a rotating plate that can rotate 360 ​​degrees is arranged on one side of a vertical plate, and an optical camera is fixed on the rotating plate, so that the outer peripheral surface of the composite material can be detected for burrs without dead angles. The pictures taken by the optical camera are transmitted to a computer, which is convenient for staff to observe and distinguish the defects on the surface of the composite material in real time. There is no blind spot in the field of vision of the detection, which improves the efficiency and accuracy of the surface detection of the composite material, and at the same time saves the cost investment of manual detection, thereby saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the sliding member of the utility model;

[0019] Figure 2 It is a partial enlarged view of the sliding member of the utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the utility model;

[0021] Figure 4 It is a cross-sectional view of the utility model;

[0022] Figure 5 For this utility model Figure 3 The enlarged view of point A in the middle;

[0023] Figure 6 This is a schematic diagram of the distribution of lamp posts in the first embodiment of the utility model;

[0024] Figure 7 This is a schematic diagram of the distribution of lamp posts in the second embodiment of the utility model;

[0025] Figure 8 This is a schematic diagram of the distribution of lamp posts in the third embodiment of the present utility model;

[0026] Fig. 9 This is a schematic diagram of the distribution of lamp posts in the fourth embodiment of the utility model;

[0027] Fig.10 This is a schematic diagram of the distribution of lamp posts in the fifth embodiment of the present utility model;

[0028] Description of reference numerals:

[0029] 1. Vertical plate; 2. First wire hole; 3. Sliding member; 301. Slide rail body; 302. Sliding joint; 303. Sliding block body; 304. Pulley; 305. Slide groove; 306. Limit block; 307. Limit groove; 4. Rotating plate; 5. Second wire hole; 6. First meshing tooth; 7. Driving motor; 8. Sleeve; 9. Driving plate; 10. Second meshing tooth; 11. First fixing hole; 12. Adjusting plate; 13. Second fixing hole; 14. Fixing plate; 15. Optical camera; 16. Light source board; 17. Lamp post; 18. Ring; 19. Fastening hole; 20. Tightening rod. DETAILED DESCRIPTION

[0030] The utility model is further described below in conjunction with the embodiments shown in the accompanying drawings.

[0031] like Figure 3-5 The figure is a schematic diagram of the structure of the surface detection device for glass fiber reinforced composite materials of the utility model, which is used to detect surface defects on the outer peripheral surface of the composite material without blind spots.

[0032] Embodiment 1

[0033] The vertical plate 1 is fixed vertically on the inspection machine, the first wire hole 2 passes through the vertical plate 1, and the glass fiber tube passes through the first wire hole 2, so that the optical camera 15 can perform burr detection on the glass fiber tube. The optical camera 15 can be selected from a CCD camera, a CMOS camera or a X-ray camera, and can realize active or passive photosensitive identification detection of composite materials.

[0034] The rotating plate 4 is rotatably mounted on one side of the vertical plate 1. By setting the rotating plate 4, the optical camera 15 is driven to rotate 360 ​​degrees, thereby performing a blind spot detection on the outer peripheral surface of the composite material. The second line hole 5 passes through the rotating plate 4, and the axis of the second line hole 5 coincides with the axis of the first line hole 2. When the glass fiber tube is detected, the glass fiber tube passes through the second line hole 5 and the first line hole 2, and then the rotating optical camera 15 completes the detection.

[0035] In order to ensure the smooth rotation of the rotating plate 4, a sliding member 3 is provided between the vertical plate 1 and the rotating plate 4. Figure 1 As shown, the sliding member 3 includes a slide rail fixed on one side of the vertical plate 1 and a plurality of sliders slidably mounted on the slide rail. The rotating plate 4 is fixed on the slider. When the rotating plate 4 rotates, it drives the sliders to rotate synchronously along the slide rail ( Figure 1 Only one slider is shown. In actual installation, at least four sliders are installed on one slide rail, and the four sliders are symmetrically arranged in the center).

[0036] like Figure 2 As shown, the slide rail includes a slide rail body 301 and a sliding connection portion 302. The slide rail body 301 is annular and is fixed to the side of the vertical plate 1 close to the rotating plate 4 by screw fastening. The sliding connection portion 302 is integrally connected to the inner and outer walls of the slide rail body 301 and is used to clamp the slider to prevent the slider and the rotating plate 4 from falling.

[0037] like Figure 2 As shown, the slider includes a slider body 303, a pulley 304, a slide groove 305, a limit block 306 and a limit groove 307. Two limit blocks 306 are fixed on one side of the slider body 303 close to the slide rail body 301, and the two limit blocks 306 are respectively located on the inner side and the outer side of the slide rail body 301. The limit groove 307 is provided on the opposite side of the limit block 306, and the sliding part 302 is clamped in the limit groove 307, and the shapes of the two are matched.

[0038] A pulley 304 is rotatably mounted on one side of the slider body 303 close to the rail body 301, and the pulley 304 is also located on the inner and outer sides of the rail body 301. A slide groove 305 is provided on the outer side of the pulley 304 to engage with the sliding connection portion 302. Under the action of the limit block 306 and the pulley 304, the rotating plate 4 is ensured to rotate more stably, and the rotating plate 4 is also prevented from falling in the vertical direction.

[0039] The housing of the driving motor 7 is fixed to the side of the vertical plate 1 away from the rotating plate 4, and the driving shaft of the driving motor 7 passes through the vertical plate 1 and is connected to the driving plate 9. In order to prevent the driving shaft of the driving motor 7 from being subjected to a large load and deforming downward, a sleeve 8 is fixed to one side of the vertical plate 1, and the driving shaft of the driving motor 7 passes through the sleeve 8, and the driving shaft is supported by the sleeve 8.

[0040] The first meshing teeth 6 are integrally arranged on the outer circumference of the rotating plate 4, and the second meshing teeth 10 are integrally arranged on the outer circumference of the driving plate 9, and the first meshing teeth 6 mesh with the second meshing teeth 10. The driving motor 7 drives the driving plate 9 to rotate, and then drives the rotating plate 4 to rotate, and finally realizes the detection of composite materials without blind spots.

[0041] like Figure 3 As shown, a plurality of first fixing holes 11 are provided along the radial direction of the rotating plate 4, and at least two second fixing holes 13 are provided on the adjusting plate 12. During actual installation, the adjusting plate 12 is fixed to the side of the rotating plate 4 away from the vertical plate 1 with the aid of a fastening nut. By providing the adjusting plate 12 that can be adjusted along the radial direction, the distance between the optical camera 15 and the axis of the composite material can be adjusted, so as to facilitate the focusing of the optical camera 15.

[0042] The fixing plate 14 is fixed to a side of the adjusting plate 12 away from the rotating plate 4 , and the optical camera 15 is fixed on the fixing plate 14 and faces the second linear hole 5 for detecting the composite material.

[0043] The light source board 16 is annular, and the lamp post 17 is arranged on the inner side wall of the light source board 16 to provide sufficient light for the optical camera 15 to take pictures. The collar 18 is integrally connected to the top of the light source board 16, and the fastening hole 19 is arranged on the outer circumference of the collar 18. The abutting rod 20 is screwed through the fastening hole 19 and abuts against the outer side of the optical camera 15. The light source board 16 is fixed below the optical camera 15 through the abutting rod 20 arranged in an annular manner, and it is also convenient to disassemble and replace.

[0044] When the composite material is subjected to surface inspection, the composite material (line) passes through the second line hole 5 and the first line hole 2, and then the composite material is photographed and imaged by the optical camera 15 rotating above. The optical camera 15 is connected to a computer via a cable, and the imaged picture is transmitted to the computer, so that the staff can observe and distinguish the defects on the surface of the composite material (the optical camera can be selected from the market as needed, such as the MER2-134-90GM model).

[0045] like Figure 6 As shown, the angle between the light of the lamp post 17 and the axis of the light source plate 16 is 0°, and the light of the 0° light source is vertically downward, forming a uniform light field, which is suitable for occasions where the features and background are greatly different. This setting is suitable for detecting depressions, holes, burrs, etc. on the surface of composite materials.

[0046] Embodiment 2

[0047] like Figure 7 As shown, the technical solution of this embodiment is basically the same as the technical solution in the first embodiment, the only difference is that the angle between the light of the lamp post 17 and the axis of the light source board 16 is 30°, and a bright and uniform light field can be formed in the center at a certain height. This setting is suitable for scenes with height restrictions and requirements for central illumination, such as scratch detection and damage detection on the surface of composite materials.

[0048] Embodiment 3

[0049] like Figure 8 As shown, the technical solution of this embodiment is basically the same as the technical solution in the first embodiment, the only difference is that the angle between the light of the lamp post 17 and the axis of the light source board 16 is 45°, which can form a light field with higher illumination at a certain height. It is suitable for scenes with protrusions or depressions, especially when there are protruding structures on the surface of composite materials, and provides excellent edge lighting.

[0050] Embodiment 4

[0051] like Fig. 9 As shown, the technical solution of this embodiment is basically the same as the technical solution in the first embodiment, the only difference is that the angle between the light of the lamp post 17 and the axis of the light source board 16 is 60°, which can achieve a high focusing point within the field of view at a lower installation height. This setting is suitable for scenes that require edge highlight lighting and provides clear edge imaging for the composite material pipe.

[0052] Embodiment 5

[0053] like Fig.10 As shown, the technical solution of this embodiment is basically the same as the technical solution in the first embodiment, the only difference is that the angle between the light of the lamp post 17 and the axis of the light source plate 16 is 90°, and the 90° annular light source irradiates toward the center, providing excellent illumination for clear imaging of the edge of the composite material. This setting is mostly used for composite material appearance inspection, and can clearly present the tiny protrusions of planar features.

[0054] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A surface detection device for glass fiber reinforced composite materials, characterized in that: It includes: A vertical plate (1), a first wire hole (2) penetrating the vertical plate (1), a rotating plate (4) rotatably mounted on one side of the vertical plate (1), a second wire hole (5) penetrating the rotating plate (4), an adjusting plate (12) adjustable along the radial direction of the rotating plate (4), a fixing plate (14) fixed on a side of the adjusting plate (12) away from the vertical plate (1), and an optical camera (15) fixed on a side of the fixing plate (14) close to the second wire hole (5); The optical camera (15) is selected from a CCD camera, a CMOS camera or a X-ray camera.

2. A surface detection device for glass fiber reinforced composite material according to claim 1, characterized in that: It also includes a sliding member (3) arranged between the vertical plate (1) and the rotating plate (4), the sliding member (3) including a sliding rail fixed to one side of the vertical plate (1) and a sliding block slidably mounted on the sliding rail, and the rotating plate (4) is fixed on the sliding block.

3. The surface detection device for glass fiber reinforced composite material according to claim 1, characterized in that: It also includes a light source board (16) sleeved on the optical camera (15), a lamp post (17) arranged around the inner side of the light source board (16), a collar (18) integrally connected to the top of the light source board (16), a fastening hole (19) arranged around the collar (18), and a clamping rod (20) inserted into the fastening hole (19), wherein the clamping rod (20) is pressed against the outer peripheral surface of the optical camera (15).

4. The surface detection device for glass fiber reinforced composite material according to claim 2, characterized in that: The slide rail comprises a slide rail body (301) fixed to one side of the vertical plate (1) and a sliding connection portion (302) integrally arranged on a side of the slide rail body (301) away from the vertical plate (1).

5. The surface detection device for glass fiber reinforced composite material according to claim 4, characterized in that: The slider comprises a slider body (303), a limit block (306) integrally connected to the slider body (303) on a side close to the slide rail body (301), a limit groove (307) provided on the side facing the limit block (306), a pulley (304) rotatably mounted on a side of the slider body (303) close to the slide rail body (301), and a slide groove (305) provided on the outside of the pulley (304), and the sliding portion (302) is clamped in the limit groove (307) and the slide groove (305).

6. The surface detection device for glass fiber reinforced composite material according to claim 3, characterized in that: The angle between the light of the lamp post (17) and the axis of the light source plate (16) is 0°.

7. The surface detection device for glass fiber reinforced composite material according to claim 3, characterized in that: The included angle between the light of the lamp post (17) and the axis of the light source plate (16) is 30°.

8. The surface detection device for glass fiber reinforced composite material according to claim 3, characterized in that: The included angle between the light of the lamp post (17) and the axis of the light source plate (16) is 45°.

9. The surface detection device for glass fiber reinforced composite material according to claim 3, characterized in that: The angle between the light of the lamp post (17) and the axis of the light source plate (16) is 60°.

10. The surface detection device for glass fiber reinforced composite material according to claim 3, characterized in that: The included angle between the light of the lamp post (17) and the axis of the light source plate (16) is 90°.

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