Paperboard film covering device

Abstract

The utility model relates to a paperboard film covering device which comprises a feeding conveying piece, a film covering assembly, a limiting assembly, a detection marking assembly, a discharging conveying piece and a controller, and the film covering assembly is arranged on one side of the feeding conveying piece; the limiting assembly is arranged on the film covering assembly and located on the side close to the feeding conveying piece, the limiting assembly comprises a limiting fixing base, a telescopic drive, a limiting support and a limiting roller, the telescopic drive is provided with a fixing end and a telescopic end, and the fixing end of the telescopic drive is fixed to the limiting fixing base; the limiting support is fixed to the telescopic end of the telescopic drive. The multiple limiting rollers are rotationally connected to the limiting support. The detecting and marking assembly is arranged on one side of the film covering assembly and marks and classifies the paperboards. The discharging conveying piece is arranged on one side of the detection marking assembly. The technical scheme has the beneficial technical effects that through cooperation of telescopic driving, the limiting rolling wheels and control, control over the position of a paperboard is more accurate. And the problems that the whole production line is stopped due to small faults and the production efficiency is influenced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to paperboard film covering field, concretely relates to a paperboard film covering device. BACKGROUND

[0002] Film covering process is a kind of surface processing technology in printing, also called post-printing plastic, post-printing glue or post-printing film sticking. It refers to the film covering machine on the surface of the printed matter covers a very thin plastic film and forms a kind of paper-plastic integrated product processing technology. It is worth mentioning that film covering can greatly make up for the quality defects of printed products. Many apparent defects in the printing process can be covered after film covering.

[0003] And with the increasing demand for film covering products, to meet the needs of people's use and large-scale production. The design trend of paperboard film covering device is high-speed operation. Through optimizing mechanical structure and transmission system, the running speed of the equipment is improved, so that more film covering tasks can be completed in unit time.

[0004] However, with the improvement of equipment running speed, the probability of paperboard film covering blistering, wrinkling, ink bleeding and peeling is also rising sharply. To solve the above technical problems, the prior art CN118181778A provides a paperboard film covering device, which clamps the paperboard by two clamping blocks before film covering. At the same time, the motor two makes the two sliding blocks slide at the same time to keep the same moving speed with the conveying belt, and the sensor is used to detect the paperboard. To overcome the corresponding problems.

[0005] However, the above solution will increase the complexity of the equipment structure. In actual use, usually because of a little problem of a certain element, the whole production line is stopped, which is not conducive to the improvement of production efficiency.

[0006] Therefore, it is necessary to provide a paperboard film covering device to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0007] Based on the above description, the utility model provides a paperboard film covering device to solve the problem that the prior art uses motor two to make the two sliding blocks slide at the same time to keep the same moving speed with the conveying belt, and uses the sensor to detect the paperboard, which increases the complexity of the equipment structure. In actual use, usually because of a little problem of a certain element, the whole production line is stopped, which is not conducive to the improvement of production efficiency.

[0008] The utility model discloses a technical scheme that solves above-mentioned technical problem is as follows: A kind of paperboard laminating device, including feeding conveying part, laminating assembly, limiting component, detection marking component, discharging conveying part and controller, the laminating assembly is located in the feeding conveying part side, for the paperboard that the feeding conveying part is conveyed to carry out laminating;The limiting component is located on the laminating assembly, and it is located in the side close to the feeding conveying part, the limiting component includes limiting fixed seat, telescopic drive, limiting support and limiting roller, the telescopic drive is equipped with fixed end and telescopic end, and the telescopic drive fixed end is fixed on the limiting fixed seat;The limiting support is fixed on the telescopic drive telescopic end;The limiting roller is equipped with several, all rotationally connected on the limiting support, for limiting paperboard;The detection marking component is located in the laminating assembly side, for the paperboard that laminating is completed is detected, and paperboard is marked classification;The discharging conveying part is located in the detection marking component side;The controller is electrically connected with the feeding conveying part, laminating assembly, limiting component, detection marking component and discharging conveying part, for controlling the operation of the feeding conveying part, laminating assembly, limiting component, detection marking component and discharging conveying part.

[0009] Further, the laminating assembly includes laminating first base, first conveyor belt and second conveyor belt, the laminating first base is located in the feeding conveying part side;The first conveyor belt is located on the laminating first base, and it is located in the side close to the feeding conveying part;The second conveyor belt is located on the laminating first base, and it is located in the side close to the detection marking component.

[0010] Further, the laminating first base includes lower support, upper support and first pressure sensor, the upper support is located above the lower support, and the first conveyor belt and second conveyor belt are both located on the upper support;The first pressure sensor is equipped with several, the first pressure sensor is located between the lower support and upper support, the first pressure sensor is electrically connected with the controller, for detecting the weight change of paperboard on the first conveyor belt and the weight change of paperboard on the second conveyor belt.

[0011] Further, the laminating assembly further includes laminating second base, lifting support frame, lifting slider, lifting driving part and laminating piece, the laminating second base is located outside the laminating first base;The lifting support frame is equipped with a group, and the lifting support frame is fixed along transverse on both sides of the laminating second base;The lifting slider is equipped with a group, and is slidably connected with the lifting support frame;The lifting driving part is equipped with at least one, and the lifting driving part is fixed on the lifting support frame, for driving the lifting slider to reciprocate up and down on the lifting support frame;The laminating piece is fixed on the lifting slider, for laminating paperboard.

[0012] Further, the film covering component comprises a film covering frame, a film covering installation roller, a hot melting roller and a supporting roller, both ends of the film covering frame are fixedly connected with the lifting sliders on both sides respectively, both ends of the film covering installation roller are rotatably connected on the film covering frame, and the film covering installation roller is used for installing the thermoplastic film, both ends of the hot melting roller are rotatably connected on the film covering frame, and the hot melting roller is located on one side below the film covering installation roller and is used for heating the thermoplastic film, and both ends of the supporting roller are rotatably connected on the film covering frame, and the supporting roller is located on the other side below the film covering installation roller.

[0013] Further, when the lifting driving component is provided with two, the lifting driving component comprises a screw rod and a lifting driving motor, the lower end of the screw rod is rotatably connected with the lifting support frame, and the middle part of the screw rod is threadedly connected with the lifting slider, the lifting driving motor is fixed on the lifting support frame, the driving end of the lifting driving component is connected with the screw rod, the lifting driving motor is electrically connected with the controller, and the lifting driving motor is used for driving the screw rod to rotate, so as to drive the lifting slider to reciprocatingly move up and down on the lifting support frame.

[0014] Further, when the lifting driving component is provided with one, the lifting driving component comprises a screw rod and a lifting driving motor, the lower end of the screw rod is rotatably connected with one of the lifting support frames, and the middle part of the screw rod is threadedly connected with the lifting slider in the lifting support frame, the lifting driving motor is fixed on the lifting support frame, the driving end of the lifting driving component is connected with the screw rod, the lifting driving motor is electrically connected with the controller, and the lifting driving motor is used for driving the screw rod to rotate, so as to drive the lifting slider to reciprocatingly move up and down on the lifting support frame.

[0015] Further, a sliding rod is further arranged, the sliding rod is arranged on the lifting slider in the other lifting support frame and is fixed in the lifting support frame, and the sliding rod is used for providing a sliding track for the lifting slider.

[0016] Further, the detection mark assembly comprises a detection mark fixing seat, a third conveying belt, a detection mark support frame, an industrial camera and a laser marking machine, the detection mark fixing seat is arranged on one side of the film covering assembly, the third conveying belt is arranged on the detection mark fixing seat and is used for conveying paperboards, the detection mark support frame is fixed on the detection mark fixing seat, the industrial camera is fixed on the detection mark support frame and is located on the side close to the film covering assembly, the industrial camera is electrically connected with the controller, the laser marking machine is fixed on the detection mark support frame and is located on the side close to the blank conveying component, the laser marking machine is electrically connected with the controller, and the laser marking machine is used for marking a two-dimensional code containing film covering information on the paperboard after film covering, so as to facilitate the acquisition of the film covering condition by the operator in the later stage.

[0017] Further, the limiting assembly further comprises a position sensor, which is fixed to one side of the limiting support close to the feeding conveying member and electrically connected with the controller.

[0018] Compared with the prior art, the technical scheme has the following beneficial technical effects:

[0019] The limiting support is driven to advance and retreat by the telescopic drive, so that the limiting roller contacts the paperboard to limit the position of the paperboard by the limiting roller. Meanwhile, the controller is electrically connected with the telescopic drive, so that the telescopic drive can be controlled by the controller to push the limiting roller to a more accurate position. Thus, the prior art uses the motor two to make the two sliders slide at the same time to keep the same moving speed as the conveying belt, and uses the sensor to detect the paperboard, which increases the complexity of the equipment structure. In actual use, if a component has a problem, the whole production line will be stopped, which is not conducive to improving the production efficiency. Meanwhile, the detection mark assembly is used to detect the paperboard after the film coating, so as to avoid the problem that the good product rate is unstable due to the manual observation of the operator to observe and distinguish the defective products of the paperboard after the film coating. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 Fig. 1 is a schematic view of the overall structure of a paperboard film coating device according to an embodiment of the present application;

[0021] Figure 2 Fig. 2 is another schematic view of the overall structure of a paperboard film coating device according to an embodiment of the present application;

[0022] Figure 3 Fig. 3 is a schematic view of the structure of a film coating assembly of a paperboard film coating device according to an embodiment of the present application; Figure 2 Fig. 4 is an enlarged view of the middle Q of Fig. 3;

[0023] Figure 4 Fig. 5 is a schematic view of the structure of a film coating assembly of a paperboard film coating device according to an embodiment of the present application;

[0024] Figure 5 Fig. 6 is a schematic view of the side of a paperboard film coating device according to an embodiment of the present application;

[0025] Figure 6 Fig. 7 is another schematic view of the side of a paperboard film coating device according to an embodiment of the present application; Figure 5 Fig. 8 is a sectional view of the middle A-A of Fig. 7;

[0026] Figure 7 Fig. 9 is a schematic view of the side of a paperboard film coating device according to another embodiment of the present application;

[0027] Figure 8 Fig. 10 is another schematic view of the side of a paperboard film coating device according to another embodiment of the present application;Figure 7 Cross-sectional view at B-B.

[0028] In the drawings, the components listed in the table of components represented by the reference numbers are as follows.

[0029] 1. Feeding conveying member;

[0030] 2. Laminating assembly; 21, laminating first base; 211, lower support; 212, upper support; 213, first pressure sensor; 22, first conveying belt; 23, second conveying belt; 24, laminating second base; 25, lifting support frame; 26, lifting slider; 27, lifting driving member; 271, screw rod; 272, lifting driving motor; 28, laminating member; 281, laminating frame; 282, laminating mounting roller; 283, hot melting roller; 284, supporting roller; 29, sliding rod;

[0031] 3. Limiting assembly; 31, limiting fixed seat; 32, telescopic drive; 33, limiting support; 34, limiting roller; 35, position sensor;

[0032] 4. Detection marking assembly; 41, detection marking fixed seat; 42, third conveying belt; 43, detection marking support frame; 44, industrial camera; 45, laser engraver;

[0033] 5. Discharging conveying member;

[0034] 6. Controller. DETAILED DESCRIPTION

[0035] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used herein in the specification merely describe the specific embodiments of the present application for the purpose of description and are not intended to limit the present application.

[0037] It will be understood that the spatially relative terms "beneath", "below", "lower", "under", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device can also be oriented in the other direction, and the spatially relative terms used herein are intended to encompass such additional

[0038] It is noted that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or connected to the other element through intervening elements. "Connected" in the following embodiments, if the connected circuit, module, unit, etc. have the transmission of electrical signal or data between each other, should be understood as "electrically connected", "communicatively connected" and the like.

[0039] As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. It will be further understood that the terms "comprises", "comprising", "includes" and / or "including", or the like, when used in this specification, specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

[0040] As Figure 1 and Figure 5As shown, a kind of paperboard laminating device, including feeding conveyor 1, laminating assembly 2, limiting component 3, detection mark component 4, discharge conveyor 5 and controller 6, the laminating assembly 2 is located in the feeding conveyor 1 side, for the paperboard laminating to the paperboard that the feeding conveyor 1 is conveyed;The limiting component 3 is located on the laminating assembly 2, and is located at the side close to the feeding conveyor 1, the limiting component 3 includes limiting fixed seat 31, telescopic drive 32, limiting support 33 and limiting roller 34, the telescopic drive 32 is equipped with fixed end and telescopic end, the fixed end of the telescopic drive 32 is fixed on the limiting fixed seat 31;The limiting support 33 is fixed on the telescopic end of the telescopic drive 32;The limiting roller 34 is equipped with several, all rotationally connected on the limiting support 33, for limiting paperboard;The detection mark component 4 is located in the laminating assembly 2 side, for detecting paperboard, and marking classification is carried out to paperboard;The discharge conveyor 5 is located in the detection mark component 4 side;The controller 6 is electrically connected with the feeding conveyor 1, laminating assembly 2, limiting component 3, detection mark component 4 and discharge conveyor 5, for controlling the operation of the feeding conveyor 1, laminating assembly 2, limiting component 3, detection mark component 4 and discharge conveyor 5.

[0041] In the embodiment, the limiting support 33 is driven by the telescopic drive 32 to advance and retreat, so that the limiting roller 34 contacts the paperboard to limit the position of the paperboard by the limiting roller 34. Meanwhile, the controller 6 is electrically connected with the telescopic drive 32, so that the controller 6 controls the telescopic drive 32 to push the limiting roller 34 to a more accurate position. Thus, the prior art uses the motor two to make the sliders on both sides slide at the same speed as the conveying belt, and uses the sensor to detect the paperboard, which increases the complexity of the equipment structure. In actual use, a problem of a component usually leads to the interruption of the entire production line, which is not conducive to improving the production efficiency. Meanwhile, the detection mark component 4 is used to detect the paperboard after laminating, so as to avoid the problem of unstable good rate caused by the manual observation of the operator to observe and distinguish the defective products after the paperboard is laminated.

[0042] The telescopic drive 32 is a servo motor. The controller 6 is a PLC programmable controller, model S7-300. The controller 6 is provided with a touch operation interface. The running parameters can be conveniently set through the touch screen operation interface.

[0043] Referring to Figure 1 , Figure 2 , Figure 5 and Figure 6As shown in the drawings, in some embodiments, the film coating assembly 2 comprises a film coating first base 21, a first conveying belt 22 and a second conveying belt 23, the film coating first base 21 is arranged on one side of the feeding conveying member 1; the first conveying belt 22 is arranged on the film coating first base 21 and located on the side close to the feeding conveying member 1; the second conveying belt 23 is arranged on the film coating first base 21 and located on the side close to the detection mark assembly 4.

[0044] In some embodiments, the film coating first base 21 comprises a lower support 211, an upper support 212 and a first pressure sensor 213, the upper support 212 is arranged above the lower support 211, and the first conveying belt 22 and the second conveying belt 23 are both arranged on the upper support 212; the first pressure sensor 213 is arranged in plurality, the first pressure sensor 213 is arranged between the lower support 211 and the upper support 212, the first pressure sensor 213 is electrically connected with the controller 6, for detecting the weight change of the paperboard on the first conveying belt 22 and the weight change of the paperboard on the second conveying belt 23.

[0045] In this embodiment, the first conveying belt 22 and the second conveying belt 23 are used for conveying paperboard. At the same time, the first pressure sensor 213 is arranged below the first conveying belt 22 and the second conveying belt 23, for monitoring the pressure change below the first conveying belt 22 and the second conveying belt 23 in real time. Moreover, the first pressure sensor 213 is electrically connected with the controller 6. After the first pressure sensor 213 detects the pressure change below the first conveying belt 22 and the second conveying belt 23, the detection mark assembly 4 will save the pressure information into the information marked on the paperboard. Moreover, the first pressure sensor 213 is a PCM900 high-precision pressure sensor.

[0046] Referring to Figure 1 , Figure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown in the drawings, in some embodiments, the film coating assembly 2 further comprises a film coating second base 24, a lifting support frame 25, a lifting sliding block 26, a lifting driving member 27 and a film coating member 28, the film coating second base 24 is arranged outside the film coating first base 21; the lifting support frame 25 is arranged in a group, the lifting support frame 25 is fixed on both sides of the film coating second base 24 along the transverse direction; the lifting sliding block 26 is arranged in a group and is in sliding connection with the lifting support frame 25; the lifting driving member 27 is arranged in at least one, the lifting driving member 27 is fixed on the lifting support frame 25, for driving the lifting sliding block 26 to make up-down reciprocating motion on the lifting support frame 25; the film coating member 28 is fixed on the lifting sliding block 26, for coating the paperboard.

[0047] In the embodiment, since the paperboard has different thickness, the film covering member 28 is driven to move by the lifting driving member 27, so that the film covering member 28 can more accurately perform the film covering operation on the paperboard. Meanwhile, in order to ensure the accuracy of the film covering, the pressure sensor is arranged on the lifting driving member 27 to more accurately control the pressure of the film covering member 28 on the paperboard, which should belong to the protection scope of the present application.

[0048] Referring to Figure 4 In some embodiments, as shown in the drawings, the film covering member 28 comprises a film covering frame 281, a film covering installation roller 282, a hot melting roller 283 and a supporting roller 284. The film covering frame 281 is fixedly connected with the lifting sliding blocks 26 on both sides. The film covering installation roller 282 is rotatably connected with the film covering frame 281 on both ends, and is used for installing the thermoplastic film. The hot melting roller 283 is rotatably connected with the film covering frame 281 on both ends, and is located on one side below the film covering installation roller 282, and is used for heating the thermoplastic film. The supporting roller 284 is rotatably connected with the film covering frame 281 on both ends, and is located on the other side below the film covering installation roller 282.

[0049] In the embodiment, the film covering installation roller 282 is used for installing and placing the thermoplastic film, the hot melting roller 283 is used for heating the thermoplastic film, and the supporting roller 284 is used for supporting the paperboard, so as to ensure the stability of the film covering process.

[0050] Referring to Figure 1 , Figure 2 , Figure 5 and Figure 6 In some embodiments, when the lifting driving member 27 is provided with two, the two lifting driving members 27 each comprise a screw rod 271 and a lifting driving motor 272. The lower end of the screw rod 271 is rotatably connected with the lifting support frame 25, and the middle part of the screw rod 271 is threadedly connected with the lifting sliding block 26. The lifting driving motor 272 is fixed on the lifting support frame 25, and the driving end of the lifting driving member 27 is connected with the screw rod 271. The lifting driving motor 272 is electrically connected with the controller 6, and is used for driving the screw rod 271 to rotate, so as to drive the lifting sliding block 26 to reciprocatingly move up and down on the lifting support frame 25.

[0051] In the embodiment, the lifting driving member 27 is arranged on both of the lifting support frames 25, and the screw rod 271 is driven by the two lifting driving motors 272 to more stably drive the lifting sliding block 26 to reciprocatingly move up and down.

[0052] Referring to Figure 1 , Figure 2 , Figure 7 andFigure 8 As shown in some embodiments, the lifting drive 27 is provided with a screw rod 271 and a lifting drive motor 272. The lower end of the screw rod 271 is rotationally connected to one of the lifting support frames 25, and the middle part of the screw rod 271 is threadedly connected to the lifting slider 26 in the lifting support frame 25. The lifting drive motor 272 is fixed on the lifting support frame 25, and the driving end of the lifting drive 27 is connected to the screw rod 271. The lifting drive motor 272 is electrically connected to the controller 6, and is used to drive the screw rod 271 to rotate, so as to drive the lifting slider 26 to move up and down in the lifting support frame 25.

[0053] In some embodiments, a slide rod 29 is further provided, which is arranged through the lifting slider 26 in the other lifting support frame 25, and is fixed in the lifting support frame 25, so as to provide a sliding track for the lifting slider 26.

[0054] In the present embodiment, the lifting slider 26 in one of the lifting support frames 25 is sleeved on the slide rod 29, and the lifting slider 26 in the other lifting support frame 25 is driven to move up and down by the lifting drive 27. In this way, the consumption of electric energy is effectively saved.

[0055] Referring to Figure 1 , Figure 2 and Figure 3 , in some embodiments, the detection mark assembly 4 includes a detection mark fixing seat 41, a third conveying belt 42, a detection mark support frame 43, an industrial camera 44, and a laser marking machine 45. The detection mark fixing seat 41 is arranged on one side of the film coating assembly 2. The third conveying belt 42 is arranged on the detection mark fixing seat 41, and is used to convey paper boards. The detection mark support frame 43 is fixed on the detection mark fixing seat 41. The industrial camera 44 is fixed on the detection mark support frame 43, and is located on the side close to the film coating assembly 2. The industrial camera 44 is electrically connected to the controller 6. The laser marking machine 45 is fixed on the detection mark support frame 43, and is located on the side close to the blank conveying member 5. The laser marking machine 45 is electrically connected to the controller 6, and is used to mark a two-dimensional code containing film coating information on the paper board after film coating, so as to facilitate the acquisition of the film coating condition by the operator in the later stage.

[0056] In the embodiment, the industrial camera 44, also known as a camera, has high image stability, high transmission capacity and high anti-interference capability compared with a common camera. The industrial camera 44 is electrically connected to the controller 6, and the industrial camera 44 converts the picture information into an electric signal, which is analyzed by the controller 6 to determine whether the paperboard film is a good product or a non-good product. After the determination is completed, the controller 6 saves the relevant information into the corresponding two-dimensional code and performs marking through the laser marking machine 45. The model of the industrial camera 44 is a Hikvision MV-CS050-10GM / GC super clear visual industrial camera. The laser marking machine 45 is a chemical laser UV ultraviolet marking machine.

[0057] In some embodiments, the limiting assembly 3 further comprises a position sensor 35 fixed on one side of the limiting support 33 close to the feeding conveying member 1, and the position sensor 35 is electrically connected to the controller 6.

[0058] In the embodiment, the position sensor 35 is used to detect the position information of the paperboard in real time and upload the position information to the controller 6. After the controller 6 obtains the position information of the paperboard, the controller 6 controls the telescopic drive 32 and the film coating assembly 2 to move correspondingly. Meanwhile, the position information obtained by the position sensor 35 is uploaded to the detection marking assembly 4 by the controller 6, and the detection marking assembly 4 marks the paperboard correspondingly. Meanwhile, the position sensor 35 is a GTS11 high-precision displacement sensor.

[0059] Compared with the prior art, the technical scheme of the present application has the following beneficial technical effects:

[0060] The telescopic drive drives the limiting support to move forward and backward, so that the limiting roller contacts the paperboard to limit the position of the paperboard by the limiting roller. Meanwhile, the controller is electrically connected to the telescopic drive, and the precise control of the controller enables the telescopic drive to push the limiting roller to a more precise position. Thus, the problem that the production efficiency is not improved due to the interruption of the entire production line caused by a slight problem of a component in the prior art is avoided. Meanwhile, the detection marking assembly is used to detect the paperboard after the film coating is completed, so as to avoid the problem that the good product rate is unstable due to the observation and distinction of the non-good products of the paperboard film by the workers by using the manual observation method after the film coating of the paperboard is completed.

[0061] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cardboard laminating apparatus, characterized in that, include: Material conveyor (1); A laminating assembly (2) is located on one side of the feeding conveyor (1) and is used to laminate the cardboard conveyed on the feeding conveyor (1). A limiting component (3) is disposed on the film coating component (2) and located on the side close to the feeding conveyor (1). The limiting component (3) includes: Limiting and fixing seat (31); The telescopic drive (32) is provided with a fixed end and a telescopic end, and the fixed end of the telescopic drive (32) is fixed on the limiting fixed seat (31); A limiting bracket (33) is fixed to the telescopic end of the telescopic drive (32); A number of limiting rollers (34) are provided, all of which are rotatably connected to the limiting bracket (33) for limiting the cardboard. The detection marking component (4) is located on one side of the laminating component (2) and is used to detect the laminated cardboard and mark and classify the cardboard. The unloading conveyor (5) is located on one side of the detection marking assembly (4); The controller (6) is electrically connected to the feeding conveyor (1), the film coating assembly (2), the limiting assembly (3), the detection marking assembly (4), and the unloading conveyor (5), and is used to control the operation of the feeding conveyor (1), the film coating assembly (2), the limiting assembly (3), the detection marking assembly (4), and the unloading conveyor (5).

2. The cardboard laminating apparatus according to claim 1, characterized in that, The coating assembly (2) includes: A first base (21) for film coating is located on one side of the feeding conveyor (1); The first conveyor belt (22) is disposed on the first film-coated base (21) and located on the side close to the feeding conveyor (1); The second conveyor belt (23) is disposed on the first base (21) covered with film and located on the side close to the detection mark assembly (4).

3. A cardboard laminating apparatus according to claim 2, characterized in that, The first base (21) with film coating includes: Lower support (211); An upper support (212) is provided above the lower support (211), and the first conveyor belt (22) and the second conveyor belt (23) are both provided on the upper support (212); The first pressure sensor (213) is provided in a plurality of such sensors. The first pressure sensor (213) is located between the lower support (211) and the upper support (212). The first pressure sensor (213) is electrically connected to the controller (6) and is used to detect and record the weight change of the cardboard on the first conveyor belt (22) and the weight change of the cardboard on the second conveyor belt (23).

4. A cardboard laminating apparatus according to claim 2, characterized in that, The coating assembly (2) also includes: A second base (24) for covering the film is located outside the first base (21) for covering the film; A lifting support frame (25) is provided, and the lifting support frame (25) is fixed laterally on both sides of the second base (24) covered with film; A set of lifting sliders (26) are provided, all of which are slidably connected to the lifting support frame (25); A lifting drive component (27) is provided, which is fixed on the lifting support frame (25) and is used to drive the lifting slider (26) to move up and down reciprocally on the lifting support frame (25); A laminating component (28), which is fixed on the lifting slider (26), is used to laminate cardboard.

5. A cardboard laminating apparatus according to claim 4, characterized in that, The coated component (28) includes: The film covering frame (281) is fixedly connected at both ends to the lifting sliders (26) on both sides; A film-coating installation roller (282) is rotatably connected at both ends to the film-coating frame (281) for installing thermoplastic film; A hot melt roller (283) is rotatably connected at both ends to the film-coating frame (281), and the hot melt roller (283) is located on the side below the film-coating mounting roller (282) for heating the thermoplastic film; A support roller (284) is rotatably connected at both ends to the film-coating frame (281), and the support roller (284) is located on the other side below the film-coating mounting roller (282).

6. A cardboard laminating apparatus according to claim 4, characterized in that, When two lifting drive components (27) are provided, each of the two lifting drive components (27) includes: The screw (271) is rotatably connected at its lower end to the lifting support frame (25), and the middle part of the screw (271) is threadedly connected to the lifting slider (26); A lifting drive motor (272) is fixed on the lifting support frame (25), and the driving end of the lifting drive component (27) is connected to the screw (271). The lifting drive motor (272) is electrically connected to the controller (6). The lifting drive motor (272) is used to drive the screw (271) to rotate, so as to drive the lifting slider (26) to move up and down on the lifting support frame (25).

7. A cardboard laminating apparatus according to claim 4, characterized in that, When the lifting drive (27) is provided, the lifting drive (27) includes: The screw (271) is rotatably connected at its lower end to one of the lifting support frames (25), and the middle part of the screw (271) is threadedly connected to the lifting slider (26) inside the lifting support frame (25); A lifting drive motor (272) is fixed on the lifting support frame (25), and the driving end of the lifting drive component (27) is connected to the screw (271). The lifting drive motor (272) is electrically connected to the controller (6). The lifting drive motor (272) is used to drive the screw (271) to rotate, so as to drive the lifting slider (26) to move up and down on the lifting support frame (25).

8. A cardboard laminating apparatus according to claim 7, characterized in that, Also includes: A slide rod (29) is inserted through the lifting slider (26) in another lifting support frame (25), and the slide rod (29) is fixedly installed in the lifting support frame (25) to provide a sliding track for the lifting slider (26).

9. A cardboard laminating apparatus according to claim 1, characterized in that, The detection marker component (4) includes: A detection mark holder (41) is provided on one side of the film-coating assembly (2); The third conveyor belt (42), which is disposed on the detection mark fixing seat (41), is used to convey cardboard; The detection mark support frame (43) is fixed on the detection mark fixing seat (41); An industrial camera (44) is fixed on the detection mark support frame (43) and located on the side close to the coating assembly (2). The industrial camera (44) is electrically connected to the controller (6). A laser engraving machine (45) is fixed on the detection mark support frame (43) and located on the side close to the unloading conveyor (5). The laser engraving machine (45) is electrically connected to the controller (6) and is used to engrave a QR code containing the coating information on the coated cardboard, so that the operators can obtain the coating status later.

10. A cardboard laminating apparatus according to claim 1, characterized in that, The limiting component (3) also includes: A position sensor (35) is fixed on the side of the limiting bracket (33) near the feeding conveyor (1), and the position sensor (35) is electrically connected to the controller (6).

Images