CN213325897U - Film glue coating weight detection device - Google Patents
Film glue coating weight detection device Download PDFInfo
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- CN213325897U CN213325897U CN202022019990.7U CN202022019990U CN213325897U CN 213325897 U CN213325897 U CN 213325897U CN 202022019990 U CN202022019990 U CN 202022019990U CN 213325897 U CN213325897 U CN 213325897U
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Abstract
The utility model relates to the technical field of film production and manufacturing, in particular to a film glue coating weight detection device, which comprises a frame, wherein an unwinding assembly, a gluing assembly and a winding assembly are respectively arranged on the frame along the transmission direction of a film, a supporting roll for supporting a film strip is arranged between the gluing assembly and the winding assembly, an infrared thickness gauge is arranged above the supporting roll, and the detection end of the infrared thickness gauge faces the supporting roll below; a tension degree detection assembly is arranged between the gluing assembly and the unreeling assembly; a glue removing component and a glue supplementing component are arranged between the supporting roll and the winding component. Before each sheet of the film is compounded, the coating weight of the glue is detected and adjusted in advance, so that the winding quality of a final finished product is ensured; the tension degree of the film strip in the unreeling process is ensured before the film strip is unreeled and glued, the coating quality is improved, and the problem that the coating quality is affected due to the fact that the film surface fluctuates due to the deformation of the film strip in the unreeling process or the inconsistent reeling and unreeling linear speed is avoided.
Description
Technical Field
The utility model relates to a technical field is made in the film production, concretely relates to film glue coating weight detection device.
Background
The sealing film strip for the paper plastic aluminum liquid sterile packaging material has the characteristics of low initial heat sealing temperature, good sealing property, barrier property and rigidity and the like, and particularly can keep the peeling strength not to be reduced after being soaked in liquid. With the continuous development of the demand of aseptic packaging of paper-plastic aluminum liquid in China, the packaging speed of a filling line is continuously improved, the requirement on aseptic packaging is also improved, currently common membrane strips for aseptic packaging sealing are usually composite materials, a primer glue layer is usually adopted among composite layers to realize compounding, but in the compounding process after the composite layers are coated with glue or coated with glue, the situation that the thicknesses of the composite layers are inconsistent can be caused due to process limitation or the precision problem of a coating assembly, and the fundamental reason of the phenomenon is unstable glue coating amount, so that under the condition of process limitation, if the glue coating amount cannot be controlled before compounding, the great quality defect of the compounding operation can be caused, and the overall quality of the formed sealing material is finally influenced. In addition, the instability of the coating amount is caused by insufficient tension of the surface of the sheet during conveyance, and even slight wave-like undulation is generated, so that the working quality of the coating assembly is adversely affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a film glue coating weight detection device solves above technical problem.
The utility model provides a technical problem can adopt following technical scheme to realize:
a film glue coating amount detection device comprises a rack, wherein an unwinding assembly, a gluing assembly and a winding assembly are respectively arranged on the rack along the transmission direction of a film, a supporting roller for supporting a film strip is arranged between the gluing assembly and the winding assembly, an infrared thickness gauge is arranged above the supporting roller, and the detection end of the infrared thickness gauge faces the lower supporting roller;
a tension detection assembly is arranged between the gluing assembly and the unreeling assembly and used for detecting whether the sinking of the film strip exceeds a certain limit to influence the gluing effect;
and a glue removing assembly and a glue supplementing assembly are arranged between the supporting roller and the winding assembly.
The utility model discloses a set up the glue layer thickness on membrane strip surface after infrared thickness gauge comes real-time supervision rubber coating between rubber coating subassembly and rolling subassembly, confirm whether to intervene the processing according to the testing result, here intervene including getting rid of the unnecessary glue of specific thickness or the glue of mending the disappearance thickness, realize carrying out the rate of tension detection to the membrane strip condition of unreeling before the rubber coating through rate of tension testing component to the realization adjusts the rate of tension through the working condition that testing result control rolling subassembly and unreel the subassembly before the rubber coating, make it accord with the rubber coating requirement all the time, for this, need be connected to the signal output of rate of tension testing component to the control unit who is used for controlling the rolling subassembly and unreels the subassembly work, for example the control unit such as host computer or PLC.
Optionally, the infrared thickness gauge adopts an infrared thickness gauge with thickness prompt.
Optionally, the tightness detection assembly employs a photoelectric switch.
Optionally, rate of tension determine module adopts correlation formula photoelectric switch, and its transmitting terminal and receiving terminal set up respectively in the frame both sides, are located the subtend both sides of the membrane strip of unreeling, and set up the below that the level is located the membrane strip after the tensioning to make the testing light be located the below of the membrane strip lower surface after the tensioning, when the rate of tension of membrane strip is not enough, its lower surface sinks gradually until blockking testing light, thereby make photoelectric switch produce the signal, make the control unit confirm control rolling subassembly and the opportunity that unreels the subassembly and carry out the rate of tension and adjust.
It is optional, rate of tension determine module adopts reflection type photoelectric switch, its transmitting terminal and reflecting plate set up respectively in the frame both sides, be located the subtend both sides of the membrane strip of unreeling, and set up the below that the level is located the membrane strip after the tensioning, thereby make measuring light be located the below of the membrane strip lower surface after the tensioning, when the rate of tension of membrane strip is not enough, its lower surface sinks gradually until blockking measuring light, thereby make photoelectric switch produce the signal, make the control unit confirm control rolling subassembly and unreel the opportunity that the subassembly carries out the rate of tension and adjust.
Optionally, rate of tension determine module adopts the grating, and its light source end and receiving terminal set up respectively in the frame both sides, are located the subtend both sides of the membrane strip of unreeling, and set up the below that the level is located the membrane strip after the tensioning to make the measuring light be located the below of the membrane strip lower surface after the tensioning, when the rate of tension of membrane strip is not enough, its lower surface sinks gradually until blockking measuring light, thereby make photoelectric switch produce the signal, make the control unit confirm control rolling subassembly and unreel the opportunity that the subassembly carries out rate of tension regulation.
Optionally, the infrared thickness gauge is connected with an alarm device through a control unit. The alarm device adopts an acoustic alarm, a photoelectric alarm or an audible and visual alarm so as to remind a worker to intervene when the glue coating layer of the passing film strip does not meet the composite requirement.
Has the advantages that: due to the adoption of the technical scheme, the utility model discloses before each sheet of film compounds, carry out the preliminary examination to the coating weight of glue to intervene in advance and adjust according to the testing result, make the product satisfy the composite technology requirement, avoided the quality of final product impaired, ensured the rolling quality of final finished product; in addition, the tensity of the film strip in the unreeling process can be ensured before the film strip is unreeled and glued, so that the coating quality is improved, and the problem that the coating quality is influenced due to the fact that the film surface is fluctuated due to deformation of the film strip in the unreeling process or inconsistent reeling and unreeling linear speeds is solved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a top view of another structure of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings. It is noted that the terms "first," "second," "third," "fourth," and the like (if any) in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises" or "comprising," and any variations thereof, are intended to cover non-exclusive inclusions, such that a product or apparatus that comprises a list of elements or units is not necessarily limited to those elements or units expressly listed, but may include other elements or units not expressly listed or inherent to such product or apparatus.
Referring to fig. 1 and 2, the film glue coating amount detection device comprises a rack, wherein an unwinding assembly 1, a gluing assembly 3 and a winding assembly 2 are respectively arranged on the rack along the transmission direction of a film, a supporting roller 4 for supporting a film strip 9 is arranged between the gluing assembly 3 and the winding assembly 2, an infrared thickness gauge 5 is arranged above the supporting roller 4, and the detecting end of the infrared thickness gauge 5 faces the supporting roller 4 below; the coating assembly 3 and the unreeling assembly 1 are provided with a tension degree detection assembly 6 therebetween for detecting whether the sinking of the film strip 9 exceeds a certain limit to influence the coating effect, a glue removing assembly 7 and a glue supplementing assembly 8 are arranged between the supporting roll 4 and the reeling assembly 2, wherein the glue removing assembly 7 adopts a scraper, and the glue supplementing assembly 8 is another coating assembly.
In some embodiments, glue supplementing assembly 8 and glue removing assembly 7 are both of a liftable structure, and in addition, in order to improve the working precision, that is, the thickness of glue to be supplemented or scraped can reach the expected effect, laser distance measuring instruments (not shown in the figure) can be arranged on both glue supplementing assembly 8 and glue removing assembly 7 to measure the distance between the gluing end of glue supplementing assembly 8 and the scraper end of glue removing assembly 7 and the upper surface of the glue layer on the surface of the film strip, so that the descending or ascending height of the gluing end of glue supplementing assembly 8 and the scraper end of glue removing assembly 7 can be adjusted.
In some embodiments, the infrared thickness gauge 5 is an infrared thickness gauge with thickness prompting function, and is connected with a display module for outputting thickness. Preferably, the display module adopts an LED display screen.
In some embodiments, the tightness detection assembly 6 employs a photoelectric switch. According to the structure difference of the photoelectric switch, the photoelectric switch can be arranged according to the following structure:
in some preferred embodiments, as shown in fig. 1 and fig. 2, the tightness detecting assembly 6 is a correlation photoelectric switch, and the emitting end 61 and the receiving end 62 of the correlation photoelectric switch are respectively disposed on two sides of the frame, and located on two opposite sides of the film strip 9 being unwound, and the horizontal height is set below the film strip 9 being tensioned, so that the detecting light is located below the lower surface of the film strip 9 being tensioned, and when the tightness of the film strip 9 is insufficient, the lower surface of the film strip gradually sinks until the detecting light is blocked, so that the photoelectric switch generates a signal, and the control unit determines the timing of controlling the take-up assembly 2 and the unwind assembly 1 to adjust the tightness.
In other preferred embodiments, the rate of tension determine module adopts reflection type photoelectric switch, its transmitting terminal and reflecting plate set up respectively in the frame both sides, be located the subtend both sides of the membrane strip of unreeling, and set up the below that the level lies in the membrane strip after the tensioning, thereby make measuring light be located the below of the membrane strip lower surface after the tensioning, when the rate of tension of membrane strip is not enough, its lower surface sinks gradually until blockking measuring light, thereby make photoelectric switch produce the signal, make the control unit confirm control rolling subassembly and the opportunity that unreels the subassembly and carry out the rate of tension and adjust.
In other preferred embodiments, to increase the inspection range and detection accuracy of the optoelectronic switch, the structure shown in fig. 3 can be used: one transmitting terminal 61 and one receiving terminal 62 are a set of detecting photoelectric switches, two sets of detecting photoelectric switches are provided, and the two sets of detecting photoelectric switches are arranged to intersect in an optical path. The structure can be suitable for a correlation type photoelectric switch and a reflection type photoelectric switch, when the structure is set to the reflection type photoelectric switch, the receiving end is replaced by a reflecting plate matched with the photoelectric switch, and the transmitting end has the performance of transmitting and receiving optical signals. Under this structure, the effect that corresponds different detection range can be realized to the light path angle of adjustment photoelectric switch.
In other preferred embodiments, rate of tension detection module adopts the grating, its light source end and receiving terminal set up respectively in the frame both sides, be located the subtend both sides of the membrane strip of unreeling, and set up the below that the level lies in the membrane strip after the tensioning, thereby make detection light be located the below of the membrane strip lower surface after the tensioning, when the rate of tension of membrane strip is not enough, its lower surface sinks gradually until blockking detection light, thereby make photoelectric switch produce the signal, make the control unit confirm control rolling subassembly and unreel the opportunity that the subassembly carries out the rate of tension and adjust.
The control unit for controlling the winding assembly and the unwinding assembly in the above embodiments may adopt a PLC or a single chip microcomputer, so as to control the motors of the winding assembly and the unwinding assembly. The mode of controlling the motor through the PLC or the single chip microcomputer is prior art and is not repeated here.
In some embodiments, the infrared thickness gauge 5 is connected to an alarm device (not shown in the figures) through a control unit. The alarm device adopts an acoustic alarm, a photoelectric alarm or an audible and visual alarm so as to remind a worker to perform intervention treatment when the gluing thickness of the film strip 9 does not meet the composite process requirement, such as cutting off a defective part of the film strip, or adopting automatic glue supplementing or removing operation.
To sum up, the utility model monitors the thickness of the glue layer on the surface of the glued membrane strip in real time by arranging the infrared thickness gauge between the gluing component and the winding component, and determines whether to intervene according to the detection result, wherein the intervention comprises removing the glue layer on the surface layer with a certain thickness or coating the glue layer with a certain thickness to meet the requirements of the subsequent composite operation; in addition, also can realize carrying out the rate of tension detection to the membrane strip condition of unreeling before the rubber coating through rate of tension determine module to the realization is adjusted the membrane strip rate of tension through the behavior of testing result control rolling subassembly and the subassembly of unreeling before the rubber coating, makes it accord with the rubber coating requirement all the time, for this, need be connected to the signal output of rate of tension determine module to be used for controlling the rolling subassembly and the control unit who unreels the subassembly work, for example control unit such as host computer or PLC.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A film glue coating amount detection device comprises a rack, wherein an unwinding assembly, a gluing assembly and a winding assembly are respectively arranged on the rack along the transmission direction of a film, and the film glue coating amount detection device is characterized in that a supporting roll for supporting a film strip is arranged between the gluing assembly and the winding assembly, an infrared thickness gauge is arranged above the supporting roll, and the detection end of the infrared thickness gauge faces the supporting roll downwards;
a tension degree detection assembly is arranged between the gluing assembly and the unreeling assembly;
and a glue removing assembly and a glue supplementing assembly are arranged between the supporting roller and the winding assembly.
2. The device for detecting the coating amount of the thin film glue according to claim 1, wherein the infrared thickness gauge adopts an infrared thickness gauge with thickness prompt.
3. The apparatus for detecting the coating amount of film glue according to claim 1, wherein the tension detecting assembly employs a photoelectric switch.
4. The device for detecting the coating amount of the thin film glue according to claim 3, wherein the tensity detecting assembly adopts a correlation photoelectric switch, and the emitting end and the receiving end of the correlation photoelectric switch are respectively arranged at two sides of the frame, are positioned at two opposite sides of the unreeled film strip, and are arranged at a horizontal height below the tensioned film strip.
5. The device for detecting the coating amount of the thin film glue according to claim 3, wherein the tension detection assembly employs a reflective photoelectric switch, and the emitting end and the reflective plate of the device are respectively disposed at two sides of the frame, at two opposite sides of the unreeled film strip, and at a level below the tensioned film strip.
6. The device for detecting the coating amount of the thin film glue according to claim 3, wherein the tension detection assembly adopts a grating, a light source end and a receiving end of the grating are respectively arranged at two sides of the frame and are positioned at two opposite sides of the unreeled film strip, and a setting level is positioned below the tensioned film strip.
7. The device for detecting the coating amount of the film glue according to any one of claims 1 to 6, wherein the infrared thickness gauge is connected with an alarm device through a control unit.
8. The device for detecting the coating amount of the thin film glue according to claim 7, wherein the alarm device is an audible alarm, a photoelectric alarm or an audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022019990.7U CN213325897U (en) | 2020-09-16 | 2020-09-16 | Film glue coating weight detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022019990.7U CN213325897U (en) | 2020-09-16 | 2020-09-16 | Film glue coating weight detection device |
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| Publication Number | Publication Date |
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| CN213325897U true CN213325897U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022019990.7U Active CN213325897U (en) | 2020-09-16 | 2020-09-16 | Film glue coating weight detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209590A (en) * | 2021-12-16 | 2022-03-22 | 四川科伦药业股份有限公司 | Production system for film agent |
| CN114950865A (en) * | 2022-06-20 | 2022-08-30 | 浙江禾运科技有限公司 | Multifunctional coating machine for wood-plastic floor surface coating |
-
2020
- 2020-09-16 CN CN202022019990.7U patent/CN213325897U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209590A (en) * | 2021-12-16 | 2022-03-22 | 四川科伦药业股份有限公司 | Production system for film agent |
| CN114950865A (en) * | 2022-06-20 | 2022-08-30 | 浙江禾运科技有限公司 | Multifunctional coating machine for wood-plastic floor surface coating |
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