CN216792043U

CN216792043U - Detection device used before film rolling

Info

Publication number: CN216792043U
Application number: CN202122358606.0U
Authority: CN
Inventors: 王文良; 季玉秋
Original assignee: SHANGHAI ALLECARD IMAGE MATERIAL CO LTD
Current assignee: SHANGHAI ALLECARD IMAGE MATERIAL CO LTD
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-06-21
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a detection device used before film rolling, which relates to the technical field of coating equipment and comprises a mounting frame, wherein a surface detection assembly and a thickness detection assembly are arranged on the mounting frame, the surface detection assembly and the thickness detection assembly are used for detecting the quality of a film, the surface detection assembly and the thickness detection assembly are electrically connected with a PLC (programmable logic controller), after the surface detection assembly and the thickness detection assembly detect that the quality of the film is unqualified, signals are sent to the PLC to stop the conveying operation of the film, a light supplementing assembly is arranged on the mounting frame, the light supplementing assembly is automatically started when the light is dark, and the light supplementing assembly is used for supplementing light to the surface of the film. According to the utility model, the light supplementing assembly is used for automatically supplementing light to the film under the condition of insufficient light, the accuracy of film surface quality detection is improved by matching with the surface detection assembly, and the accuracy of film quality detection is ensured by detecting the thickness of the film.

Description

Detection device used before film rolling

Technical Field

The utility model relates to the technical field of coating equipment, in particular to a detection device used before film rolling.

Background

Coating method for preparing composite material (film) by coating paste polymer, molten polymer or polymer solution on paper, cloth or plastic film.

The existing film is rolled up after being cut, the film is detected in a single way in the rolling process, the surface quality of the film is detected by a detection probe, and whether scratches, foreign matters and the like exist on the surface of the film is determined.

In the quality detection process of the film, the quality of the film cannot be guaranteed, the accuracy of the detection result of the surface quality of the film is not high, and the thickness of the film cannot be detected.

Based on the above problems, we have designed a detection device for use before film winding to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a detection device used before film rolling.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a detection apparatus for before film rolling, includes the mounting bracket, be provided with surface detection subassembly and thickness detection subassembly on the mounting bracket, surface detection subassembly with thickness detection subassembly is used for the quality of on-line measuring film, surface detection subassembly with thickness detection subassembly is connected with the PLC controller electricity, surface detection subassembly with thickness detection subassembly detects the unqualified back of film quality, with signal transmission to the PLC controller, stops the transport operation of film, be provided with the light filling subassembly on the mounting bracket, the light filling subassembly is opened automatically when light is dark, the light filling subassembly is used for carrying out the light filling to the film surface.

Through above-mentioned technical scheme, the light filling subassembly carries out the light filling to the film automatically under the not enough condition of light, and cooperation surface detection subassembly has improved the degree of accuracy that film surface quality detected, detects through the thickness to the film to ensure the degree of accuracy to film quality detection.

Further, the surface detection assembly comprises a high-definition camera and a comparator which are electrically connected with the PLC, the high-definition camera is electrically connected with the PLC, a high-definition picture shot by the high-definition camera is compared with a comparison picture in the comparator, when the surface of the film has a flaw, the comparator sends a signal to the PLC, and the PLC stops the conveying operation of the film.

Further, be provided with the backup pad that sets up along film width direction on the mounting bracket, high definition digtal camera is in adjustable setting in the backup pad.

Further, the light filling subassembly includes light filling lamp and the photometer of being connected with the PLC controller electricity, the photometer detects when light of high definition digtal camera below is darker, the photometer sends signal to the PLC controller, and the PLC controller control light filling lamp work.

Furthermore, the light filling lamp encloses and establishes the week side of high definition camera.

Further, thickness detection subassembly is including installing last pivot, lower pivot and thickness sensor on the mounting bracket, it can to go up the pivot the direction of height of mounting bracket reciprocates, thickness sensor is connected with the PLC controller electricity, thickness sensor be used for real-time detection go up the pivot with distance between the lower pivot.

Further, go up the both ends of pivot and install and remove the seat, set up on the mounting bracket and remove the seat and slide the complex groove that slides, thickness sensor installs the top in groove that slides.

Furthermore, a buzzer electrically connected with the PLC is arranged on the mounting rack, and when the film stops conveying, the PLC controls the buzzer to give out alarm sound.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the light supplementing assembly is used for automatically supplementing light to the film under the condition of insufficient light, the accuracy of film surface quality detection is improved by matching with the surface detection assembly, and the accuracy of film quality detection is ensured by detecting the thickness of the film;

2. the high-definition camera is adjustably arranged in the width direction of the film, detects the surface of the film within a certain width range, and improves the utilization rate; in addition, the light filling lamp encloses and establishes in high definition digtal camera's week side, ensures the quality of high definition digtal camera collection picture, guarantees the degree of accuracy to film surface testing result.

3. The utility model can know the detection result of the film in time through the buzzer.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention.

In the figure: 1. a mounting frame; 11. a sliding groove; 2. a surface sensing assembly; 21. a high-definition camera; 22. a comparator; 3. a thickness detection assembly; 31. an upper rotating shaft; 32. a lower rotating shaft; 33. a thickness sensor; 34. a movable seat; 4. a light supplement component; 41. a light supplement lamp; 42. a photometer; 5. a support plate; 6. a lead screw assembly; 7. a buzzer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The utility model discloses a detection device used before film rolling.

As shown in fig. 1 to fig. 3, the detection device for film before being rolled up includes a mounting frame 1, and a surface detection component 2, a thickness detection component 3 and a light supplement component 4 mounted on the mounting frame 1. Specifically, surface detection subassembly 2, thickness detection subassembly 3 and light filling subassembly 4 are connected with the PLC controller electricity, and whether there are mar and foreign matter on surface detection subassembly 2 real-time detection film surface, the thickness of thickness detection subassembly 3 real-time detection film, light filling subassembly 4 carries out the light filling to the film under the not enough condition of light. And after the surface detection component 2 and the thickness detection component 3 detect that the quality of the film is unqualified, sending signals to the PLC, and stopping the conveying operation of the film by the PLC.

In this embodiment, the mounting frame 1 is a frame structure erected on a film and is constructed by a plate and a rod. Generally, the film detects the back through surface detection subassembly 2, detects through thickness detection subassembly 3 again, and when the quality does not have the problem, directly carries out the rolling operation, if the quality has the problem, cuts off the part that will have the problem through cutting device, carries out the rolling operation again.

The surface detection assembly 2 comprises a high-definition camera 21 and a comparator 22 which are electrically connected with the PLC.

Specifically, the high definition camera 21 is electrically connected with the PLC controller, and a high definition picture captured by the high definition camera 21 is compared with a comparison picture stored in the comparator 22. When the comparison result shows that there is a defect on the film surface, the comparator 22 sends a signal to the PLC controller, and the PLC controller stops the film conveying operation.

The supplementary lighting assembly 4 includes a supplementary lighting lamp 41 and a photometer 42 electrically connected to the PLC controller.

Specifically, photometer 42 and light filling lamp 41 are installed on mounting bracket 1, and when photometer 42 detected the light of high definition digtal camera 21 below dark, photometer 42 sent signal to the PLC controller, and PLC controller control light filling lamp 41 work carries out the light filling to the film of high definition digtal camera 21 below to in the photo quality of improvement high definition digtal camera 21 collection film, guarantee the testing result to the film surface.

Light filling lamp 41 comprises LED lamp pearl, and high definition digtal camera 21's week side can be dismantled through the bolt and be fixed with the connecting plate, and light filling lamp 41 installs in the bottom of connecting plate for light filling lamp 41 encloses the week side of establishing at high definition digtal camera, ensures the quality that high definition digtal camera 21 gathered the picture.

According to the actual production demand, the width of the film after slitting is different, and the position of the high-definition camera 21 in the device is fixed, so that the accuracy of the detection result of the film surface is influenced.

Based on the above problem, in order to ensure the accuracy of the film surface detection result, the high-definition camera 21 is adjustably set in the width direction of the film.

Specifically, the top of mounting bracket 1 is fixed with backup pad 5 along the film width direction setting, and high definition digtal camera 21 is adjustable setting in backup pad 5. The adjustable setting mode can be any one of screw assembly 6 adjustment, air cylinder driving adjustment or electric push rod adjustment.

In this embodiment, choose lead screw assembly 6 for use and adjust high definition digtal camera 21's position, lead screw assembly 6 specifically includes support, lead screw, slider and driving piece, and the driving piece is connected with the lead screw, and the support is fixed in backup pad 5, and the support sets up along backup pad 5's length direction, and high definition digtal camera 21 passes through the mode of bolt or joint to be fixed on the slider, rotates through driving piece drive lead screw, adjusts high definition digtal camera 21's position. The screw assembly 6 is prior art and will not be described in great detail herein.

The driving part can be a manual rocker structure or a servo motor, and preferably, the driving part is a servo motor.

In addition, the thickness detecting assembly 3 includes an upper rotating shaft 31, a lower rotating shaft 32, and a thickness sensor 33 mounted on the mounting frame 1.

Specifically, including the riser of two parallel and vertical settings on the mounting bracket 1, the riser is located the both sides of film, and upward pivot 31, lower pivot 32 and thickness sensor 33 are installed on the riser, and upward pivot 31 sets up directly over pivot 32 down, and the film passes from upward pivot 31 and lower pivot 32 between, and with upward pivot 31 and lower pivot 32 contact.

Lower pivot 32 passes through the bearing rotation and installs on the riser, goes up pivot 31 and can reciprocate on the direction of height of riser, sets up the groove of sliding 11 that sets up along vertical direction on the riser, and the inslot that slides 11 is provided with and removes seat 34, and the both ends of going up pivot 31 are passed through the bearing rotation and are installed in removing seat 34, and thickness sensor 33 installs at the top of groove 11 that slides, and thickness sensor 33 measures the distance that removes seat 34. The thickness sensor 33 is electrically connected with the PLC controller, and the thickness sensor 33 is used for detecting the distance between the upper rotating shaft 31 and the lower rotating shaft 32 in real time.

In the initial state, the upper rotary shaft 31 is in contact with the lower rotary shaft 32, and the thickness sensor 33 measures the distance of the movable base 34, and the film thickness is zero.

In addition, be fixed with the bee calling organ 7 of being connected with the PLC controller electricity on mounting bracket 1, when the film stops to carry, the sound that PLC controller control bee calling organ 7 sent out the police dispatch newspaper to when the quality detection of film goes wrong, the staff can amputate one section film that has a problem, and install the film on the coiling mechanism, continue to detect the quality of film, and subsequent rolling operation.

The specific implementation principle of the utility model is as follows:

according to the utility model, the light supplementing component 4 is used for automatically supplementing light to the film under the condition of insufficient light, the accuracy of film surface quality detection is improved by matching with the surface detection component 2, and the accuracy of film quality detection is ensured by detecting the thickness of the film; the high-definition camera 21 is arranged in the width direction of the film in an adjustable mode, the surface of the film within a certain width range is detected, and the utilization rate is improved; in addition, the light supplement lamp 41 is arranged around the high definition camera 21, so that the quality of pictures collected by the high definition camera 21 is ensured, and the accuracy of a film surface detection result is ensured.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a detection device for before film rolling, characterized in that, includes mounting bracket (1), be provided with surface detection subassembly (2) and thickness detection subassembly (3) on mounting bracket (1), surface detection subassembly (2) with thickness detection subassembly (3) are used for the quality of on-line measuring film, surface detection subassembly (2) with thickness detection subassembly (3) are connected with the PLC controller electricity, surface detection subassembly (2) with thickness detection subassembly (3) detect the unqualified back of film quality, with signal transmission to PLC controller, stop the transport operation of film, be provided with light filling subassembly (4) on mounting bracket (1), light filling subassembly (4) are opened automatically when light is darker, light filling subassembly (4) are used for carrying out the light filling to the film surface.

2. The device for detecting the film before being rolled up according to claim 1, wherein the surface detection component (2) comprises a high-definition camera (21) and a comparator (22) which are electrically connected with a PLC controller, the high-definition camera (21) is electrically connected with the PLC controller, a high-definition picture shot by the high-definition camera (21) is compared with a comparison picture in the comparator (22), when the surface of the film has a defect, the comparator (22) sends a signal to the PLC controller, and the PLC controller stops the film conveying operation.

3. The detection device for film before rolling up according to claim 2, wherein a support plate (5) arranged along the width direction of the film is arranged on the mounting rack (1), and the high-definition camera (21) is adjustably arranged on the support plate (5).

4. The device for detecting the film before rolling according to claim 2 or 3, wherein the light supplementing assembly (4) comprises a light supplementing lamp (41) and a photometer (42) which are electrically connected with a PLC (programmable logic controller), when the photometer (42) detects that the light below the high definition camera (21) is dark, the photometer (42) sends a signal to the PLC, and the PLC controls the light supplementing lamp (41) to work.

5. The device for detecting the film before rolling according to claim 4, wherein the supplementary lighting lamp (41) is arranged around the high-definition camera.

6. The detection device for film before rolling up according to claim 1, wherein the thickness detection component (3) comprises an upper rotating shaft (31), a lower rotating shaft (32) and a thickness sensor (33) which are installed on the mounting rack (1), the upper rotating shaft (31) can move up and down in the height direction of the mounting rack (1), the thickness sensor (33) is electrically connected with the PLC, and the thickness sensor (33) is used for detecting the distance between the upper rotating shaft (31) and the lower rotating shaft (32) in real time.

7. The detection device before the film rolling according to claim 6, wherein the two ends of the upper rotating shaft (31) are provided with moving seats (34), the mounting frame (1) is provided with a sliding groove (11) matched with the moving seats (34) in a sliding manner, and the thickness sensor (33) is arranged at the top of the sliding groove (11).

8. The detection device for the film before being rolled up is characterized in that a buzzer (7) electrically connected with a PLC (programmable logic controller) is arranged on the mounting rack (1), and when the film stops conveying, the PLC controls the buzzer (7) to give out an alarm.