CN219757872U - Device for improving surface defect of prepreg - Google Patents
Device for improving surface defect of prepreg Download PDFInfo
- Publication number
- CN219757872U CN219757872U CN202321369105.5U CN202321369105U CN219757872U CN 219757872 U CN219757872 U CN 219757872U CN 202321369105 U CN202321369105 U CN 202321369105U CN 219757872 U CN219757872 U CN 219757872U
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- China
- Prior art keywords
- prepreg
- dust
- surface defects
- regulating plate
- dust removing
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- 230000007547 defect Effects 0.000 title claims abstract description 24
- 239000000428 dust Substances 0.000 claims abstract description 101
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000007689 inspection Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 208000034699 Vitreous floaters Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
Landscapes
- Reinforced Plastic Materials (AREA)
Abstract
The utility model provides a device for improving surface defects of a prepreg, which comprises the following steps: the device comprises a feeding device for bearing and conveying the prepreg, a dust removing device for removing dust from the prepreg and a detection device for detecting the appearance of the removed prepreg, wherein the dust removing device is arranged in front of the detection device. Through the mode, the problems that foreign matters on the surface of the existing prepreg are difficult to effectively remove, misjudgment risks in a detection area are increased, and quality of the prepreg is reduced are solved.
Description
Technical Field
The utility model relates to the field of prepreg manufacturing, in particular to a device for improving surface defects of a prepreg.
Background
In the prior art, a resin composition is impregnated with glass fiber cloth and is subjected to a drying process to prepare a prepreg, more foreign matters exist on the surface of the prepreg, and then the prepreg passes through a CCD (charge coupled device) detection area, and the detection area can detect more floaters to influence the quality of products.
Part of foreign matters exist on the surface of the existing prepreg, the foreign matters with the size of more than 50 mu m are detected through a CCD (charge coupled device) of a gluing machine, wherein more than 72.7% of the foreign matters are suspended matters, the foreign matters are difficult to remove before the prepreg enters the CCD for detection, meanwhile, the risk of misjudgment of the CCD is increased, and further the quality of products is reduced.
Disclosure of Invention
In order to solve the problems, the utility model provides a device for improving the surface defects of a prepreg, which solves the problems that the existing prepreg is difficult to effectively remove the surface foreign matters, the misjudgment risk of a CCD detection area is increased, and the quality of the prepreg is reduced.
The main content of the utility model comprises: an apparatus for improving surface defects of a prepreg, comprising: the device comprises a feeding device for bearing and conveying the prepreg, a dust removing device for removing dust from the prepreg and a detection device for detecting the appearance of the removed prepreg, wherein the dust removing device is arranged in front of the detection device.
Preferably, the number of the dust removing devices is at least two, and the dust removing devices are arranged above and below the prepreg and are connected with the dust collector through dust collecting pipes.
Preferably, the dust removing device is provided with a dust collecting opening, and the opening width of the dust collecting opening is less than or equal to 3mm.
Preferably, the dust collection opening is parallel to the prepreg and the distance between the dust collection opening and the prepreg is less than or equal to 10mm.
Preferably, two sides of the dust removing device are respectively provided with an adjusting device for adjusting the angle and the distance between the dust collection opening and the prepreg.
Preferably, the adjusting device comprises: the dust collector comprises a first adjusting plate fixed on an external mechanism, a second adjusting plate connected with the dust collector, and a position between the first adjusting plate and the second adjusting plate is adjustable, slotted holes corresponding to the positions are respectively formed in the first adjusting plate and the second adjusting plate, and fastening bolts for connecting the first adjusting plate and the second adjusting plate are arranged in the slotted holes.
Preferably, a floating joint is arranged between the dust collection pipe and the dust collection device.
Preferably, a valve is arranged at the dust collection pipe for adjusting dust collection air quantity, namely dust collection force.
Preferably, the feeding device comprises: the driving roller for bearing the prepreg is driven, the driving roller is driven to rotate, the driving roller is close to a supporting roller arranged on the driving roller, the auxiliary rollers arranged on the supporting roller are arranged, the number of the auxiliary rollers is at least two, the distance between two adjacent auxiliary rollers is less than or equal to 500mm, the shaking amplitude of the prepreg can be reduced to +/-3 mm through the cooperation of the supporting roller and the auxiliary rollers, the detection area is more stable, and the detection accuracy of the detection device is improved.
Preferably, at least two detection cameras respectively positioned above and below the prepreg are arranged in the detection device in a staggered manner.
The utility model has the beneficial effects that:
1. through the arrangement of the dust removing device, the prepreg can be subjected to dust removal before entering the detection device, so that the detection accuracy is improved, and the quality of a prepreg product is improved;
2. through the arrangement of the adjusting device, the angle and the distance of the dust collection opening can be adjusted, so that floating matters on the surface of the prepreg can be conveniently removed, the opening degree and the pressure difference of a dust collection pipe valve are adjustable, the dust collection effect can be further improved, and the sucked floating matters can be collected in a dust collector for treatment, so that the problem of secondary pollution is avoided;
3. the dust collector can effectively remove the floater on the surface of the prepreg, and the detection rate of the floater is reduced to 30% from 72.7% before through a CCD detection area.
Drawings
FIG. 1 is a schematic structural diagram of a device for improving surface defects of a prepreg according to a preferred embodiment;
FIG. 2 is a schematic structural view of a dust removing device;
FIG. 3 is a schematic perspective view of an adjusting device;
reference numerals:
1. driving roller, 2, backing roll, 3, auxiliary roller, 4, detection device, 5, dust collector, 6, dust collector, 7, dust absorption pipe, 8, adjusting device, 9, prepreg, 41, detection camera, 51, dust absorption mouth, 71, floating joint, 72, valve, 81, first regulating plate, 82, second regulating plate, 83, fastening bolt, 811, slotted hole.
Detailed Description
The technical scheme protected by the utility model is specifically described below with reference to the accompanying drawings.
An apparatus for improving surface defects of a prepreg, comprising: the device comprises a feeding device for bearing and conveying the prepreg, a dust removing device 5 for removing dust from the prepreg and a detection device 4 for detecting the appearance of the removed prepreg, wherein the dust removing device 5 is arranged in front of the detection device 4.
As shown in fig. 1, the feeding device includes: the driving roller 1 for bearing the prepreg is provided with at least one driving roller 1 at the front end and the rear end of the detection device 4, the driving roller 1 is driven by a driving mechanism, and the driving mechanism can adopt a motor and a belt wheel to drive the driving roller 1 to rotate, so that the prepreg 9 on the driving roller 1 is conveyed.
The support rollers 2 are arranged close to the driving rollers 1, at least two support rollers 2 are arranged close to the driving rollers 1, and the diameters of the driving rollers 1 and the support rollers 2 are 300-400mm.
Be close to backing roll 2 is provided with auxiliary roller 3, auxiliary roller 3 is two at least, and the interval is less than or equal to 500mm, can assist prepreg 9 steady operation to pass through the CCD detection zone, can keep steady when making prepreg 9 pass through detection device 4, can effectively make the shake range of prepreg 9 when passing through detection device reduce to + -3 mm, can effectively detect the defect on prepreg surface, and then improves the qualification rate of finished products after examining.
As shown in fig. 1, a dust removing device 5 is provided at the front end of the detecting device 4. The number of the dust removing devices 5 is at least two, and the dust removing devices are arranged above and below the prepreg 9 and respectively remove dust on the upper surface and the lower surface of the prepreg 9.
Further, a dust collection opening 51 is formed in one side, close to the prepreg 9, of the dust collection device 5, and the opening width D of the dust collection opening 51 is less than or equal to 3mm. The distance between the dust collection opening 51 and the prepreg 9 is less than or equal to 10mm. The distance between the prepreg 9 and the dust collector can be adjusted, and the dust collection effect is improved. The angle between the dust collection opening 51 and the running direction of the prepreg 9 is less than or equal to 90 ℃, and preferably, the angle between the dust collection opening 51 and the running direction of the prepreg 9 is 30 to 45 ℃.
As shown in fig. 2, the dust collector 5 is connected to the dust collector 6 through a dust suction pipe 7. The dust suction pipe 7 is provided with a valve 72. And is provided with a differential pressure meter, the differential pressure is 1.0+/-0.5 Kpa, and the dust collection air quantity can be regulated by regulating the opening degree and the differential pressure of the pipeline valve, so that the dust collection effect is improved.
Furthermore, the two sides of the dust removing device 5 are respectively provided with an adjusting device 8 for adjusting the angle and the distance between the dust collection opening 51 and the prepreg 9, so as to facilitate sucking floating matters on the surface of the prepreg 9. As shown in fig. 3, the adjusting device 8 includes: the first adjusting plate 81 fixed to the external mechanism, the second adjusting plate 82 fixedly connected to the dust collector 5, and the elongated slot 811 formed in the first adjusting plate 81 or the second adjusting plate 82, when the two are attached, the fastening bolt 83 is screwed into the slot 811 to fix the two. When the adjustment is needed, the fastening bolt 83 is loosened, the distance and angle between the first adjusting plate 81 and the second adjusting plate 82 are adjusted, and as the top of the first adjusting plate 81 is fixed on an external mechanism, such as a column, a beam, etc., the height and angle of the lowest point of the second adjusting plate 82 are changed accordingly, and the height and angle of one side of the dust removing device 5 fixed with the second adjusting plate 82 are changed, thereby achieving the purpose of adjusting the height and angle of the dust removing device 5.
When the angle between the dust removing device 5 and the prepreg 9 is changed, a floating joint 71 is provided between the dust suction pipe 7 and the dust removing device 5 in order to enhance the adaptability of the dust removing device 5.
Furthermore, a plurality of inspection cameras 41 located above and below the prepreg are arranged in the inspection device 4 in a staggered manner, each inspection camera is matched with a light source, and the inspection cameras 41 above and below are parallel to the prepreg 9 in the feeding device. The detection camera is electrically connected to the electric cabinet, an electrically connected controller, a detection signal device and a defect alarm are arranged inside the electric cabinet, a defect display is arranged on the left side of the electric cabinet, and the defect display, the detection camera and the electric cabinet are electrically connected.
Further, the distance between the detection camera and the prepreg 9 is less than or equal to 0.7m, so that the defects of the upper surface and the lower surface of the prepreg 9 can be detected in real time; the distance between two adjacent detection cameras in the horizontal direction is 120-170mm, when the rotation speed of the auxiliary roller 3, the support roller 2 and the driving roller 1 is less than or equal to 30m/min, and the driving prepreg 9 passes through the detection area, the detection cameras in the detection device can accurately and comprehensively identify the defects of each sheet area on the upper surface and the lower surface of the prepreg.
The utility model discloses a theory of operation does: the method comprises the steps of utilizing an edge cutting dust collector of original gluing machine auxiliary equipment, connecting a DN40 stainless steel dust collection pipe to a dust collection main pipe of the edge cutting dust collector, leading the stainless steel dust collection pipe to the front and back sides of a prepreg at the front end of a CCD detection area, installing a stainless steel dust collection device on the front and back sides of the prepreg, butting the stainless steel dust collection device with the front and back sides of the prepreg, enabling the dust collection device to be 1300mm long, enabling the dust collection opening to be less than or equal to 3mm wide, enabling a valve to be installed on the dust collection pipe for controlling dust collection air quantity, and enabling the dust collection device to start dust collection along with the dust collection of the dust collection pipe, enabling a driving device for driving a driving roller to rotate to drive the supporting roller and an auxiliary roller to rotate, and accordingly driving the prepreg arranged on the driving roller and the supporting roller to drive the prepreg to the dust collection device to enable floating matters on the front and back sides of the prepreg to be effectively sucked into a dust collector bag. The detection rate of the suspended matters is reduced to 30% from 72.7% before.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. An apparatus for improving surface defects of a prepreg, comprising: the device comprises a feeding device for bearing and conveying the prepreg, a dust removing device for removing dust from the prepreg and a detection device for detecting the appearance of the removed prepreg, wherein the dust removing device is arranged in front of the detection device.
2. The device for improving surface defects of prepregs according to claim 1, wherein the number of the dust removing devices is at least two and the dust removing devices are arranged above and below the prepregs, and the dust removing devices are connected with the dust collector through dust collecting pipes.
3. The device for improving the surface defects of the prepregs according to claim 2, wherein the dust removing device is provided with a dust collecting opening, and the opening width of the dust collecting opening is less than or equal to 3mm.
4. A device for improving surface defects of a prepreg according to claim 3, wherein the dust collection opening is arranged parallel to the prepreg and has a distance from the prepreg of less than or equal to 10mm.
5. The device for improving surface defects of prepregs according to claim 4, wherein the two sides of the dust removing device are respectively provided with an adjusting device for adjusting the angle and the distance between the dust collecting opening and the prepreg.
6. The device for improving surface defects of prepregs according to claim 5, wherein the adjusting means comprises: the first regulating plate is connected with the second regulating plate connected with the dust removing device, the position between the first regulating plate and the second regulating plate is adjustable, slotted holes corresponding to the positions are respectively formed in the first regulating plate and the second regulating plate, and fastening bolts for connecting the first regulating plate and the second regulating plate are arranged in the slotted holes.
7. The device for improving the surface defects of the prepregs according to claim 2, wherein a floating joint is arranged between the dust suction pipe and the dust removal device.
8. The device for improving the surface defects of the prepregs according to claim 2, wherein the dust suction pipe is provided with a valve.
9. An apparatus for improving surface defects of prepregs according to claim 1, wherein the feeding apparatus comprises: the driving roller is used for bearing the prepreg, drives the driving roller to rotate, is close to the supporting roller arranged on the driving roller and is close to the auxiliary roller arranged on the supporting roller.
10. The device for improving surface defects of a prepreg according to claim 1, wherein at least two detection cameras respectively positioned above and below the prepreg are arranged in a staggered manner in the detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321369105.5U CN219757872U (en) | 2023-05-31 | 2023-05-31 | Device for improving surface defect of prepreg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321369105.5U CN219757872U (en) | 2023-05-31 | 2023-05-31 | Device for improving surface defect of prepreg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219757872U true CN219757872U (en) | 2023-09-26 |
Family
ID=88084117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321369105.5U Active CN219757872U (en) | 2023-05-31 | 2023-05-31 | Device for improving surface defect of prepreg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219757872U (en) |
-
2023
- 2023-05-31 CN CN202321369105.5U patent/CN219757872U/en active Active
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