CN115219512A - PE film surface crystal point detection equipment - Google Patents
PE film surface crystal point detection equipment Download PDFInfo
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- CN115219512A CN115219512A CN202211143118.0A CN202211143118A CN115219512A CN 115219512 A CN115219512 A CN 115219512A CN 202211143118 A CN202211143118 A CN 202211143118A CN 115219512 A CN115219512 A CN 115219512A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/8422—Investigating thin films, e.g. matrix isolation method
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
- G01N2021/8908—Strip illuminator, e.g. light tube
Abstract
The invention relates to the technical field of PE film production, in particular to PE film surface crystal point detection equipment which comprises a detection camera bellows, a rolling traction mechanism, a visual scanning mechanism and a shadowless light supplement component, wherein the visual scanning mechanism and the shadowless light supplement component are positioned in the detection camera bellows, a transmission material rack is fixedly installed on the bottom surface of the detection camera bellows, an unwinding rack is fixedly installed on one side of the transmission material rack, and a plurality of first guide rollers are fixedly installed on the surface of the transmission material rack. Through setting up automatic pipelined and detecting the structure, utilize and detect the frame and rolling drive that unreels of camera bellows both sides realized that unreeling and rolling of PE membrane material are rolled up, carry out visual detection by vision scanning mechanism through the shining light filling of shadowless light filling subassembly under rolling drive mechanism's transmission, thereby carry out brilliant some discernment and catch the completion and detect the automatic brilliant some to the PE film.
Description
Technical Field
The invention relates to the technical field of PE film production, in particular to PE film surface crystal point detection equipment.
Background
The surface crystalline points of PE films are actually "excess polymers", i.e.: the molecular weight of the polymer at the "crystalline site" is higher than that of the surrounding polymer of the same species. Due to high molecular weight, the polymer at the crystal point part has higher melting point; upon melting, the melt has a higher viscosity; the polymer at the crystal point part can not be mutually and uniformly dispersed and mixed with the same polymer at the periphery when the film is blown or cast, and is solidified before the same polymer at the periphery after the melt is blown or cast into a film; therefore, the formation of "arrow-shaped" or "spherical" coagulated masses of overpolymers, conventionally referred to as "crystalline spots", is a common problem for PE film manufacturers, which can affect the appearance of PE films; therefore, the PE film needs to be subjected to sampling inspection in the production process to monitor the number of crystal points on the surface of the PE film, so that the PE film is fed back to production to adjust the production process in time, the crystal points are reduced, and the product quality is improved.
At present, the monitoring of crystal points on the surface of a PE film generally adopts manual observation, namely, a roll of the PE film which is detected by extraction is cut into slices after being spread, then the slice-shaped PE film is attached to the upper part of a row of LED lamp boxes for irradiation, and the number of the crystal points is observed, so that the roll of the PE film which is detected by extraction cannot be continuously observed in the mode, the extraction process is complicated, the integrity of the PE film is damaged, and if the extraction is qualified, the PE film cannot be continuously used, so that the waste is caused; in addition, the manual detection mode is easy to cause visual fatigue to ignore a large number of crystal points in long-time detection, and the working efficiency is low. In view of this, research and improvement are made to solve the existing problems, and a PE film surface crystal dot detection apparatus is provided to solve the existing problems, and the purpose of solving the problems and improving the practical value is achieved by this technology.
Disclosure of Invention
The present invention is directed to solving one of the technical problems of the prior art or the related art.
Therefore, the technical scheme adopted by the invention is as follows: a PE film surface crystal point detection device comprises: the system comprises a detection camera bellows, a rolling traction mechanism, a visual scanning mechanism and a shadowless light supplementing assembly, wherein the visual scanning mechanism and the shadowless light supplementing assembly are positioned in the detection camera bellows;
visual scanning mechanism includes drive steering yoke, motion swivel mount, first deflection steering wheel and development box and fixed mounting in the camera of development box top surface, the top surface fixed mounting of drive steering yoke has the second deflection steering wheel, and the output fixed connection of second deflection steering wheel is by crank link, the inside embedding of motion swivel mount is installed lift drive motor and is slided and has cup jointed the motion ratch, lift drive motor's output and the surperficial transmission meshing of motion ratch, the bottom of motion ratch is connected with the fixed surface of first deflection steering wheel, shadowless light filling subassembly includes lamp stand, lamp plate and lens plate fixed mounting are in the inside of lamp stand, the top surface of lamp stand is equipped with the printing opacity mask that is located the lens plate top.
The present invention in a preferred example may be further configured to: shadowless light filling subassembly fixed mounting just is located the camera in the surface of transmission work or material rest, the both sides of detecting the camera bellows are equipped with the groove of passing through that is located the coplanar with first deflector roll.
The invention in a preferred example may be further configured to: the surface fixed mounting of rolling frame has conveying motor, conveying motor's output is connected with the tip transmission of drive roll, the surface of rolling frame is rotated and is installed a plurality of second deflector rolls just the drive roll rotates and installs in the surface of rolling frame.
The invention in a preferred example may be further configured to: the winding roller is of a soft rubber roller body structure, the inclined strut rail rods are obliquely arranged, bearing seats which are in sliding butt joint with the surfaces of the inclined strut rail rods are fixedly sleeved at two ends of the winding roller, and the winding roller is placed on the surfaces of the inclined strut rail rods and is in butt joint with the surfaces of the moving support rollers.
The invention in a preferred example may be further configured to: the output ends of the second deflection steering engine and the third driving steering engine are fixedly connected with the two ends of the surface of the crank connecting rod respectively, the third driving steering engine and the lifting driving motor are located at the two ends of the bottom surface of the moving swivel base respectively, and the input ends of the second deflection steering engine, the third driving steering engine, the lifting driving motor and the first deflection steering engine are electrically connected with a servo controller.
The present invention in a preferred example may be further configured to: the developing box comprises a cassette, an LED lamp panel, a light supplementing plate and an imaging transparent plate, wherein the imaging transparent plate is located on the top surface of the cassette and is arranged in the direction perpendicular to the light supplementing plate, the light supplementing plate is arranged below the imaging transparent plate and is 45 degrees with the included angle between the imaging transparent plate and the LED lamp panel, and the imaging transparent plate and the light supplementing plate are of a lens structure.
The invention in a preferred example may be further configured to: the output end of the camera is electrically connected with an image recognition system, and the image recognition system is used for recognizing the crystal points on the surface of the PE film according to the image and giving an alarm for prompting.
The present invention in a preferred example may be further configured to: the lens board comprises a plurality of convex lenses and is connected with each other, and convex lens quantity and lamp plate surface lamp pearl quantity same position one-to-one, the printing opacity mask is pure white ya keli board structure, the bottom surface of printing opacity mask is the frosting, the bottom surface fixed mounting of lamp stand has the radiating fin who pastes with the lamp plate bottom surface.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, through arranging an automatic assembly line type detection structure, unwinding and winding driving of the PE film material roll are realized by using the unwinding frames and the winding traction mechanism on two sides of the detection camera bellows, visual detection is carried out by the visual scanning mechanism through illumination light supplement of the shadowless light supplement assembly under the transmission of the winding traction mechanism, and automatic crystal point identification and capture are carried out on the PE film in the process of flowing, so that automatic crystal point detection on the PE film is completed, and the working efficiency is improved.
2. According to the invention, the winding traction mechanism is used for driving the PE membrane to move, the PE membrane is driven to move under the action of the unwinding frame and the winding traction mechanism, the production line type detection is realized, the integrity of the PE membrane is ensured without cutting the membrane, the transmission speed is high in a continuous detection mode, and the working efficiency is obviously improved by matching with a camera detection structure.
3. According to the invention, by arranging the camera bellows detection structure, the surface crystal point capturing detection of the PE film is carried out in the detection camera bellows by utilizing the visual scanning mechanism and the shadowless light supplementing assembly, the generation of parallel light is realized by the shadowless light supplementing assembly, the shadowless lamp effect is formed, the phenomenon that other structures cause interference to form shadows in the PE film detection is avoided, the parallel light is generated to eliminate the shadows, the color distortion is reduced to the minimum degree, and the accuracy of crystal point capturing is improved.
Drawings
FIG. 1 is a schematic overall structure diagram of one embodiment of the present invention;
fig. 2 is a schematic view of the surface structure of the driving rack according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a winding and pulling mechanism according to an embodiment of the present invention;
FIG. 4 is an exploded view of a visual scanning mechanism according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a shadowless fill light assembly according to an embodiment of the invention;
FIG. 6 is a schematic view of a developing cartridge and a camera structure according to an embodiment of the present invention;
fig. 7 is a schematic view of a lens plate structure according to an embodiment of the present invention.
Reference numerals:
100. detecting a dark box; 110. unwinding the frame; 120. a transmission rack; 121. a first guide roller;
200. a winding traction mechanism; 210. a winding frame; 220. moving the roller; 230. a wind-up roll; 240. a drive roll; 211. a winding motor; 212. a second guide roller; 213. a diagonal rail rod; 241. a conveying motor;
300. a visual scanning mechanism; 310. a drive rudder mount; 320. moving the rotary seat; 330. a first deflection steering engine; 340. a developing cartridge; 350. a camera; 311. a second deflection steering engine; 312. a crank connecting rod; 321. a third driving steering engine; 322. a lifting drive motor; 323. a moving rack bar; 341. a cassette; 342. an LED lamp panel; 343. a light supplementing plate; 344. an imaging transparent plate;
400. a shadowless fill light assembly; 410. a lamp socket; 420. a lamp panel; 430. a lens plate; 440. a light-transmitting mask; 411. and (4) radiating fins.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
The following describes a PE film surface crystal dot detection apparatus according to some embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1 to 7, the apparatus for detecting a surface crystal point of a PE film according to the present invention includes: the detection camera bellows 100, the rolling traction mechanism 200, the vision scanning mechanism 300 and the shadowless light supplement assembly 400 are located inside the detection camera bellows 100, a transmission rack 120 is fixedly installed on the bottom surface of the detection camera bellows 100, an unreeling rack 110 is fixedly installed on one side of the transmission rack 120, a plurality of first guide rollers 121 are fixedly installed on the surface of the transmission rack 120, the rolling traction mechanism 200 comprises a rolling rack 210, a moving resisting roller 220, a rolling roller 230 and a driving roller 240, a rolling motor 211 used for driving the moving resisting roller 220 to rotate is fixedly installed on the surface of the rolling rack 210, and an inclined support rail rod 213 is fixedly installed on one side of the rolling rack 210;
In this embodiment, the shadowless light supplement component 400 is fixedly installed on the surface of the transmission rack 120 and located under the camera 350, and the two sides of the detection dark box 100 are provided with passing grooves located on the same plane as the first guide roller 121, so as to perform the internal visual detection of the dark box, thereby avoiding the interference of environmental light and shadow.
In this embodiment, a conveying motor 241 is fixedly installed on the surface of the winding frame 210, an output end of the conveying motor 241 is in transmission connection with an end of the driving roller 240, a plurality of second guide rollers 212 are rotatably installed on the surface of the winding frame 210, and the driving roller 240 is rotatably installed on the surface of the winding frame 210.
Specifically, the synchronous rotation drive of the moving roller 220 and the driving roller 240 is used to convey and wind the film, so as to keep the film in uniform speed transmission and match the scanning motion of the vision scanning mechanism 300 for pipeline operation.
In this embodiment, the wind-up roller 230 is a flexible glue roller structure, the diagonal rail rod 213 is obliquely arranged, bearing seats slidably abutting against the surface of the diagonal rail rod 213 are fixedly sleeved at two ends of the wind-up roller 230, and the wind-up roller 230 is placed on the surface of the diagonal rail rod 213 and abuts against the surface of the moving abutting roller 220.
Specifically, wind-up roll 230 supports roller 220 surface contact with the motion through dead weight along bracing rail pole 213 gliding to the transmission rotates, and the diaphragm is smooth at wind-up roll 230 surface roll-in when making the rolling diaphragm through wind-up roll 230 with the butt that the motion supported roller 220, avoids the rolling to lead to diaphragm surface fold, and wind-up roll 230's the formula of placing installation is more convenient.
In this embodiment, the output ends of the second deflection steering engine 311 and the third driving steering engine 321 are respectively and fixedly connected to two ends of the surface of the crank connecting rod 312, the third driving steering engine 321 and the lifting driving motor 322 are respectively located at two ends of the bottom surface of the moving swivel 320, and the input ends of the second deflection steering engine 311, the third driving steering engine 321, the lifting driving motor 322 and the first deflection steering engine 330 are electrically connected to a servo controller.
Specifically, the second deflection steering engine 311 deflects the crank connecting rod 312 and the third driving steering engine 321 to deflect the movement swivel base 320, the first deflection steering engine 330 deflects the development box 340 and the camera 350 to move so as to scan the surface of the PE film material, and the movement toothed rod 323 is driven by the lifting driving motor 322 in the movement swivel base 320 to move in a telescopic manner, so that the longitudinal movement of the development box 340 and the camera 350 is realized, the joint distance between the bottom end of the development box 340 and the surface of the film material is changed, and the automatic scanning movement is realized.
In this embodiment, the developing cartridge 340 includes a cassette 341, an LED lamp panel 342, a light supplement panel 343, and a light supplement panel 344, the light supplement panel 343 is disposed on a top surface of the cassette 341 and is perpendicular to the light supplement panel 343, the light supplement panel 343 is disposed below the light supplement panel 344 and forms an angle of 45 degrees with the light supplement panel 344 and the LED lamp panel 342, and the light supplement panel 343 and the light supplement panel 344 are lens structures.
Specifically, cover and connect in PE diaphragm top with magazine 341, shoot by camera 350 to shoot the secondary light filling that carries out the image through the perpendicular incidence light filling board 343 surface of LED lamp plate 342 at the shooting in-process, improve brilliant some development effect.
In this embodiment, the output end of the camera 350 is electrically connected to an image recognition system, and the image recognition system is configured to recognize the surface crystal points of the PE film according to the image and give an alarm.
Specifically, a visual detection system is used for automatically judging the noise of the image on the surface of the PE membrane, and capturing is carried out according to the difference between the crystal point display and the image on the surface of the normal PE membrane, so that automatic detection is realized.
In this embodiment, the lens plate 430 is composed of a plurality of convex lenses that are connected to each other, and the convex lens quantity and lamp plate 420 surface lamp bead quantity same position one-to-one, and the printing opacity mask 440 is pure white acrylic plate structure, and the bottom surface of the printing opacity mask 440 is the frosted surface, and the bottom surface fixed mounting of lamp stand 410 has the radiating fin 411 that pastes with lamp plate 420 bottom surface.
Specifically, utilize lens plate 430 to carry out the scattering of lamp plate 420 light, with light tiled on printing opacity mask 440 surface, the stack of a plurality of lamp plate 420 lamp pearl light is thrown everywhere by printing opacity mask 440, forms big breadth light source structure to make the parallel directive of light source detect the diaphragm, make brilliant point phenomenon more clear.
The working principle and the using process of the invention are as follows:
when the PE film surface crystal point detection equipment is used, firstly, a PE film material roll is fixed on the surface of the unwinding frame 110, one end of the PE film material roll is drawn to pass through the surfaces of the first guide rollers 121 and is guided to the surfaces of the second guide roller 212 and the drive roller 240, and finally, the PE film material roll is fixed on the surface of the winding roller 230, the drive roller 240 and the motion resisting roller 220 are respectively driven by the winding motor 211 and the conveying motor 241 to rotate so as to guide and draw the PE film, the winding roller 230 is driven to rotate through the abutting transmission of the motion resisting roller 220 and the winding roller 230 so as to wind the PE film material, so that the PE film material is drawn to continuously move between the visual scanning mechanism 300 and the shadowless light supplement component 400 through the upper part of the transmission rack 120, and automatic assembly line type detection is carried out;
during work, the second deflection steering engine 311 deflects the crank connecting rod 312 and the third driving steering engine 321 to deflect the motion swivel mount 320, the first deflection steering engine 330 deflects the developing box 340 and the camera 350 to move to scan the surface of the PE film material, the motion swivel mount 320 drives the motion toothed bar 323 to move in a telescopic mode through the lifting driving motor 322 inside, so that the longitudinal motion of the developing box 340 and the camera 350 is changed to change the joint distance between the bottom end of the developing box 340 and the surface of the film material, the light supplementing irradiation is carried out on the bottom surface of the film sheet by the lamp panel 420 while the film sheet moves in a transmission mode, a shadowless lamp effect is formed, the phenomenon that other structures in the PE film detection cause interference to form shadows is avoided, parallel light is generated to eliminate the shadows and the color distortion is reduced to the minimum degree, the camera 350 and the developing box 340 move along the surface of the film sheet to scan under the driving of the steering frame 310 and the motion swivel mount 320, the surface image of the film sheet is imaged on the surface of the imaging transparent plate 344, and the image is subjected to secondary light supplementing by the LED lamp panel 342 and light supplementing plate 343, so that the image points are identified according to the shadow points.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (8)
1. The utility model provides a PE membrane surface crystal dot check out test set which characterized in that includes: the detection camera bellows comprises a detection camera bellows (100), a rolling traction mechanism (200), a vision scanning mechanism (300) and a shadowless light supplementing assembly (400), wherein the vision scanning mechanism (300) and the shadowless light supplementing assembly (400) are positioned inside the detection camera bellows (100), a transmission rack (120) is fixedly installed on the bottom surface of the detection camera bellows (100), an unreeling rack (110) is fixedly installed on one side of the transmission rack (120), a plurality of first guide rollers (121) are fixedly installed on the surface of the transmission rack (120), the rolling traction mechanism (200) comprises a rolling rack (210), a moving resisting roller (220), a rolling roller (230) and a driving roller (240), a rolling motor (211) used for driving the moving resisting roller (220) to rotate is fixedly installed on the surface of the rolling rack (210), and an inclined support rail rod (213) is fixedly installed on one side of the rolling rack (210);
visual scanning mechanism (300) is including drive rudder frame (310), motion swivel mount (320), first steering wheel (330) and development box (340) and fixed mounting in camera (350) of development box (340) top surface, the top surface fixed mounting of drive rudder frame (310) has second steering wheel (311) that deflects, and the second deflects the output fixed connection of steering wheel (311) by crank link (312), the inside embedding of motion swivel mount (320) is installed and is gone up and down driving motor (322) and slip and cup jointed motion ratch (323), the output of going up and down driving motor (322) and the surperficial transmission meshing of motion ratch (323), the bottom of motion ratch (323) and the fixed surface connection of first steering wheel (330) that deflect, shadowless light filling subassembly (400) include lamp stand (410), lamp plate (420) and lens board (430) fixed mounting are in the inside of lamp stand (410), the top surface of lamp stand (410) is equipped with printing opacity lens board (440) that is located printing opacity board (430) top.
2. The PE film surface crystal point detection equipment as claimed in claim 1, wherein the shadowless fill light assembly (400) is fixedly mounted on the surface of the transmission rack (120) and located right below the camera (350), and passing grooves located on the same plane as the first guide roller (121) are formed in two sides of the detection dark box (100).
3. The PE film surface crystal point detection apparatus according to claim 1, wherein a conveying motor (241) is fixedly installed on the surface of the winding frame (210), an output end of the conveying motor (241) is in transmission connection with an end portion of the driving roller (240), a plurality of second guide rollers (212) are rotatably installed on the surface of the winding frame (210), and the driving roller (240) is rotatably installed on the surface of the winding frame (210).
4. The apparatus for detecting the surface crystal grains of the PE film according to claim 1, wherein the wind-up roll (230) has a soft rubber roll structure, the diagonal rail rods (213) are arranged obliquely, bearing seats in sliding contact with the surfaces of the diagonal rail rods (213) are fixedly sleeved at two ends of the wind-up roll (230), and the wind-up roll (230) is placed on the surfaces of the diagonal rail rods (213) and in contact with the surfaces of the moving support rolls (220).
5. The PE film surface crystal point detection device as claimed in claim 1, wherein output ends of the second deflection steering engine (311) and the third driving steering engine (321) are respectively and fixedly connected with two ends of the surface of the crank connecting rod (312), the third driving steering engine (321) and the lifting driving motor (322) are respectively located at two ends of the bottom surface of the movement rotating seat (320), and input ends of the second deflection steering engine (311), the third driving steering engine (321), the lifting driving motor (322) and the first deflection steering engine (330) are electrically connected with a servo controller.
6. The PE film surface crystal point detection device according to claim 1, wherein the developing box (340) comprises a cassette (341), an LED lamp panel (342), a light supplement plate (343) and an imaging transparent plate (344), the imaging transparent plate (344) is located on the top surface of the cassette (341) and arranged in a mutually perpendicular direction with the light supplement plate (343), the light supplement plate (343) is arranged below the imaging transparent plate (344) and forms an included angle of 45 degrees with the imaging transparent plate (344) and the LED lamp panel (342), and the imaging transparent plate (344) and the light supplement plate (343) are of a lens structure.
7. The device for detecting the crystal points on the surface of the PE film according to claim 1, wherein an output end of the camera (350) is electrically connected with an image recognition system, and the image recognition system is used for recognizing the crystal points on the surface of the PE film according to an image and giving an alarm.
8. The PE film surface crystal point detection device according to claim 1, wherein the lens plate (430) is formed by connecting a plurality of convex lenses, the number of the convex lenses corresponds to the number of lamp beads on the surface of the lamp plate (420) at the same positions in a one-to-one manner, the light-transmitting mask plate (440) is of a pure white acrylic plate structure, the bottom surface of the light-transmitting mask plate (440) is a frosted surface, and the bottom surface of the lamp holder (410) is fixedly provided with heat dissipation fins (411) adhered to the bottom surface of the lamp plate (420).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211143118.0A CN115219512B (en) | 2022-09-20 | 2022-09-20 | PE film surface crystal point detection equipment |
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| CN202211143118.0A CN115219512B (en) | 2022-09-20 | 2022-09-20 | PE film surface crystal point detection equipment |
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| CN115219512A true CN115219512A (en) | 2022-10-21 |
| CN115219512B CN115219512B (en) | 2023-02-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116544306A (en) * | 2023-05-11 | 2023-08-04 | 江苏泽润新能科技股份有限公司 | Production device and production and installation process of solar module junction box |
| CN116619775A (en) * | 2023-07-25 | 2023-08-22 | 常州树杰塑业有限公司 | Plastic film flanging machine |
Citations (22)
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| CN116544306A (en) * | 2023-05-11 | 2023-08-04 | 江苏泽润新能科技股份有限公司 | Production device and production and installation process of solar module junction box |
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| CN116619775A (en) * | 2023-07-25 | 2023-08-22 | 常州树杰塑业有限公司 | Plastic film flanging machine |
| CN116619775B (en) * | 2023-07-25 | 2023-09-29 | 常州树杰塑业有限公司 | Plastic film flanging machine |
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Denomination of invention: A PE film surface crystal point detection equipment Granted publication date: 20230228 Pledgee: China Construction Bank Changzhou Tianning sub branch Pledgor: CHANGZHOU SHUJIE PLASTIC CO.,LTD. Registration number: Y2024980000136 |
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