Paper film applicator with adjustable thickness

Abstract

The utility model provides paper sheet membrane laminating machine of adjustable thickness relates to paper sheet membrane laminating machine field, including frame, be used for providing stable support, membrane laminating assembly, be located in the upper end of the frame inner chamber, be used for membrane laminating compound, support assembly, including the support roller for paper sheet support, and be used for adjusting the lifting assembly of support roller support height, and lifting assembly sets up two groups, is fixed respectively in both sides of the frame, tensioning assembly, including the tensioning roller, the utility model discloses through setting up adjustable support assembly and tensioning assembly, has realized the quick adaptation of different thickness paper sheet, lifting assembly constitutes the gear lifting mechanism through servo motor, gear and tooth, thereby realizes the vertical direction adjustment of support roller, changes the contact height between paper sheet and membrane laminating head, through the compound adjustment of the main support roller, the auxiliary membrane laminating head, effectively solved the problem that the hot deformation risk and the adjustment error of traditional membrane laminating head adjustment mode exist.

Description

Technical Field

[0001] This utility model belongs to the field of paper coating machines, specifically an adjustable thickness paper coating machine. Background Technology

[0002] A coating machine is a device used to plasticize plastic particles (such as PE, PLA, PBS, EVA, etc.) through a screw, then extrude them from a flat die and attach them to the surface of substrates such as paper, aluminum foil, and non-woven fabric. It is widely used in packaging, medical, and special materials fields. Oil-proof paper commonly used in food packaging is usually coated and laminated with a coating machine to effectively prevent oil penetration and avoid contamination of the packaging by food oils.

[0003] Because different batches of packaging paper vary in thickness, their surface fiber porosity and absorption capacity also change. Therefore, when performing coating operations on paper of different thicknesses, the gap between the coating machine and the paper must be adjusted. If the gap between the coating head and the paper is too small, the coating amount will be insufficient, which will affect the paper's waterproof and oil-proof performance. Conversely, if the gap is too large, it may lead to uneven coating or material waste.

[0004] However, existing technologies typically use adjusting the height of the coating head to achieve the driving gap between the coating head and the paper. This adjustment method has certain limitations. On the one hand, the adjustment process is often cumbersome and time-consuming. Moreover, frequent adjustments to the coating head under high temperatures can easily cause thermal deformation and damage. On the other hand, the adjustment distance is limited by the installation height of the coating head, which can easily lead to adjustment errors and unstable coating quality. For production scenarios where different paper thicknesses are frequently changed for coating operations, this adjustment method is inefficient and cannot meet the needs of fast and efficient production.

[0005] In summary, this utility model provides an adjustable thickness paper laminating machine to solve the above problems. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0007] An adjustable thickness paper laminating machine includes a frame for providing stable support, a laminating assembly located at the upper end of the frame's inner cavity for laminating and bonding, a support assembly including a support roller for supporting the paper and a lifting assembly for adjusting the support height of the support roller, wherein two sets of lifting assemblies are provided and fixed to both sides of the frame, and a tensioning assembly including a tension roller and an adjusting assembly for adjusting the position of the tension roller, wherein two sets of adjusting assemblies are provided and fixed to both sides of the frame surface, and the lifting assembly includes a fixed box, a servo motor located on the surface of the fixed box, a movable rod slidably connected to the inner cavity of the fixed box, a gear located in the inner cavity of the fixed box, and teeth formed on the surface of the movable rod, wherein the gear meshes with the teeth.

[0008] Furthermore, in this utility model, the coating assembly includes a coating head located at the upper end of the inner cavity of the frame, and a hydraulic cylinder fixed to the top of the frame, the output end of the hydraulic cylinder being fixedly connected to the coating head.

[0009] Furthermore, in this utility model, the support roller is located below the coating head, and the support roller includes a roller for supporting the paper, a support plate and a fixing plate located at both ends of the roller, a groove formed on the surface of the fixing plate, and a slider that slides in the inner cavity of the groove.

[0010] Furthermore, in this invention, one end of the slider is fixedly connected to the support plate, the other end of the slider is fixedly connected to the movable rod, and the roller is rotatably connected to the support plate through a bearing.

[0011] Furthermore, in this utility model, the fixed box is fixedly connected to the frame, the servo motor is fixed to the surface of the fixed box, the output shaft of the servo motor passes through the inner cavity of the fixed box and is connected to the gear transmission, and the gear is rotatably connected to the inner cavity of the fixed box through a bearing.

[0012] Furthermore, in this utility model, the adjustment component includes a cylinder fixed to the surface of the frame, a slide rail fixed to the upper end of the surface of the frame, a slide block sliding on the surface of the slide rail, and a support base fixed to the surface of the slide block.

[0013] Furthermore, in this invention, the tensioning roller is rotatably connected to the support seat via a bearing, and the output end of the cylinder is fixedly connected to the slide.

[0014] Beneficial effects: This utility model has the following beneficial effects:

[0015] This invention achieves rapid adaptation to paper of different thicknesses by setting adjustable support and tension components. The lifting component, through a servo motor, gears, and teeth forming a gear lifting mechanism, enables vertical adjustment of the support roller, changing the contact height between the paper and the coating head. By using a composite adjustment with the support roller as the main component and the coating head as the auxiliary component, the invention effectively solves the problems of heat deformation risk and adjustment error in traditional coating head adjustment methods. The adjustment component, through a cylinder-driven slide block moving along a slide rail, can adjust the position of the tension roller in real time, ensuring that the paper maintains constant tension during the coating process. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the support component of this utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure between the tension roller and the adjustment assembly of this utility model;

[0019] Figure 4 This is a schematic diagram of the main structure of the coating assembly of this utility model;

[0020] Figure 5 This is a schematic diagram of the connection state structure of the lifting component of this utility model.

[0021] In the picture:

[0022] 100. Frame; 200. Coating assembly; 210. Coating head; 220. Hydraulic cylinder; 300. Support assembly; 310. Support roller; 311. Roller; 312. Support plate; 313. Fixing plate; 314. Slide groove; 315. Slider; 320. Lifting assembly; 321. Fixing box; 322. Servo motor; 323. Movable rod; 324. Gear; 325. Tooth; 400. Tensioning assembly; 410. Tensioning roller; 420. Adjusting assembly; 421. Cylinder; 422. Slide rail; 423. Slide base; 424. Support base. Detailed Implementation

[0023] To better understand the technical content of this utility model, specific embodiments are described below in conjunction with the accompanying drawings. Various aspects of this utility model are described in this disclosure with reference to the accompanying drawings, which illustrate numerous illustrative embodiments. The embodiments of this disclosure are not necessarily defined to include all aspects of this utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in this utility model are not limited to any particular implementation. Furthermore, some aspects of this utility model can be used alone or in any suitable combination with other aspects disclosed in this utility model.

[0024] Example 1

[0025] like Figure 1-5 The image shows the first embodiment of this utility model, which provides an adjustable thickness paper laminating machine, including a frame 100 for providing stable support, a laminating assembly 200 located at the upper end of the inner cavity of the frame 100 for lamination, a support assembly 300 including a support roller 310 for supporting the paper, and a lifting assembly 320 for adjusting the support height of the support roller 310, wherein two sets of lifting assemblies 320 are provided and respectively fixed on both sides of the frame 100, and a tensioning assembly 400 including... The tension roller 410 and the adjustment assembly 420 for adjusting the position of the tension roller 410 are provided. The adjustment assembly 420 is provided in two sets and is fixed on both sides of the surface of the frame 100 respectively. The lifting assembly 320 includes a fixed box 321, a servo motor 322 located on the surface of the fixed box 321, a movable rod 323 slidably connected to the inner cavity of the fixed box 321, a gear 324 located in the inner cavity of the fixed box 321, and teeth 325 opened on the surface of the movable rod 323. The gear 324 meshes with the teeth 325.

[0026] like Figure 1-5As shown, the support roller 310 is driven by a servo motor 322 to engage with gear 324 and teeth 325, which in turn drives the movable rod 323 to move up and down. This allows the support roller 310 to actively adapt to changes in paper thickness, eliminating the need for frequent adjustments to the working height of the coating head 210. This effectively reduces reliance on adjusting the position of the coating head 210 and minimizes frequent operation of the coating head 210 in high-temperature environments. The coating head 210 is driven by a hydraulic cylinder 220 for up and down adjustment as an auxiliary fine-tuning mechanism. When the paper thickness varies significantly, coarse adjustments can be made in conjunction with the hydraulic cylinder 220. The support roller 310 is responsible for precise fitting, thus adapting to paper of different thicknesses. The tension roller 410, together with the cylinder 421, slide rail 422, and slide block 423, realizes tension adjustment, avoiding the problems of deviation and wrinkling caused by the paper being too loose or too tight. Through the coordinated cooperation of the support component 300 and the tension adjustment component 420, the problems of cumbersome operation, high risk of thermal deformation, poor adjustment accuracy, and low efficiency caused by frequent adjustment of the height of the coating head 210 in traditional coating machines are effectively solved, significantly improving the stability, adjustment accuracy, and adaptability of the equipment.

[0027] Example 2

[0028] Reference Figure 1 , 2 4 and 5 are the second embodiment of this utility model, which is based on the previous embodiment.

[0029] In this embodiment, the coating assembly 200 includes a coating head 210 located at the upper end of the inner cavity of the frame 100, and a hydraulic cylinder 220 fixed to the top of the frame 100. The output end of the hydraulic cylinder 220 is fixedly connected to the coating head 210.

[0030] The support roller 310 is located below the coating head 210. The support roller 310 includes a roller 311 for paper support, a support plate 312 and a fixing plate 313 located at both ends of the roller 311, a groove 314 formed on the surface of the fixing plate 313, and a slider 315 that slides in the inner cavity of the groove 314.

[0031] One end of the slider 315 is fixedly connected to the support plate 312, and the other end of the slider 315 is fixedly connected to the movable rod 323. The roller 311 is rotatably connected to the support plate 312 through the bearing.

[0032] The fixed box 321 is fixedly connected to the frame 100. The servo motor 322 is fixed to the surface of the fixed box 321. The output shaft of the servo motor 322 passes through the inner cavity of the fixed box 321 and is connected to the gear 324 for transmission. The gear 324 is rotatably connected to the inner cavity of the fixed box 321 through the bearing.

[0033] like Figure 1 , 2As shown in Figures 4 and 5, the surface of the movable rod 323 is provided with teeth 325 that mesh with the gear 324. When the servo motor 322 starts, its output shaft drives the gear 324 to rotate. The gear 324 then drives the movable rod 323 to move up and down by meshing with the teeth 325 on the surface of the movable rod 323. Since the movable rod 323 is fixedly connected to the slider 315, and the slider 315 can slide in the inner cavity of the groove 314, the up and down movement of the movable rod 323 will drive the slider 315 to slide accordingly in the inner cavity of the groove 314. The sliding of the slider 315 will then... The support plate 312 moves up and down in one step. The roller 311 is rotatably connected to the support plate 312 through the bearing. The up and down movement of the support plate 312 will adjust the height position of the roller 311. By controlling the forward and reverse rotation of the servo motor 322, the height of the support roller 310 can be precisely adjusted to adapt to the coating requirements of paper of different thicknesses. At the same time, the hydraulic cylinder 220 is fixedly connected to the coating head 210 through its output end, which can drive the coating head 210 to move up and down so as to better contact the paper on the support roller 310 and complete the coating operation.

[0034] Example 3

[0035] Reference Figure 1 and 3 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0036] In this embodiment, the adjustment component 420 includes a cylinder 421 fixed to the surface of the frame 100, a slide rail 422 fixed to the upper end of the surface of the frame 100, a slide block 423 sliding on the surface of the slide rail 422, and a support base 424 fixed to the surface of the slide block 423.

[0037] The tension roller 410 is rotatably connected to the support base 424 via a bearing, and the output end of the cylinder 421 is fixedly connected to the slide 423.

[0038] like Figure 1 and 3 As shown, when the cylinder 421 is started, its output end will push the slide 423 to slide on the surface of the slide rail 422. Since the support seat 424 is fixed on the surface of the slide 423, and the tension roller 410 is rotatably connected to the support seat 424 through the bearing, the sliding of the slide 423 will drive the tension roller 410 to move synchronously. By controlling the extension and retraction of the cylinder 421, the position of the tension roller 410 can be precisely adjusted, thereby realizing the flexible adjustment of the paper coating thickness. This not only improves the adjustment accuracy of the equipment, but also enhances the stability and reliability of the equipment.

[0039] Tension adjustment can be automatically adjusted in conjunction with an external tension sensor and a PLC controller. The tension sensor can monitor the tension changes of the paper in real time during the coating process and accurately transmit this data to the PLC controller. After receiving the data, the PLC controller will quickly analyze and judge according to the preset program and algorithm. When the tension data is detected to deviate from the set range, the PLC controller will immediately send a control command to the cylinder 421 to automatically adjust the extension and retraction of the cylinder 421. The cylinder 421 accurately pushes or pulls the slide block 423 to slide on the slide rail 422 according to the command, thereby driving the tension roller 410 to move, realizing the automatic adjustment of paper tension, ensuring that the paper coating thickness is always kept in an ideal state, and greatly improving the automation level and production efficiency of the production process.

[0040] In use, firstly, based on the initial thickness of the paper to be coated, the servo motor 322 is controlled to operate, causing the gear 324 to drive the movable rod 323 to move. The movable rod 323 drives the slider 315 to slide within the groove 314, thereby moving the support plate 312 and the roller 311. The support roller 310 is adjusted to a suitable height so that the paper can be placed stably on the roller 311. The height of the coating head 210 can also be adjusted by starting the hydraulic cylinder 220 to maintain a suitable contact distance with the paper on the support roller 310, preparing for the coating operation. If the paper thickness changes during the coating process, the servo motor 322 can be restarted to quickly adjust the height of the support roller 310 to adapt to the new paper thickness, reducing the impact of changes in paper thickness on the coating effect.

[0041] Meanwhile, an external tension sensor monitors the paper tension in real time and transmits the data to the PLC controller. When the paper tension fluctuates, the PLC controller quickly analyzes the data and sends a command to the cylinder 421. The cylinder 421 pushes or pulls the slide block 423 to move on the slide rail 422 according to the command, thereby driving the tension roller 410 to adjust its position and automatically adjust the paper tension to ensure that the paper maintains a stable tension state during the coating process, ensuring that the coating operation can be carried out continuously with high quality and high efficiency.

[0042] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this application is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail in this application.

[0043] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Those skilled in the art to which this invention pertains can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this invention shall be determined by the claims.

Claims

1. An adjustable thickness paper laminating machine, characterized in that: include, The frame (100) is used to provide stable support; A coating assembly (200) is located at the upper end of the inner cavity of the frame (100) and is used for coating lamination; The support assembly (300) includes a support roller (310) for supporting the paper and a lifting assembly (320) for adjusting the support height of the support roller (310). The lifting assembly (320) is provided in two sets and is fixed to both sides of the frame (100). The tensioning assembly (400) includes a tensioning roller (410) and an adjustment assembly (420) for adjusting the position of the tensioning roller (410), and the adjustment assembly (420) is provided in two sets, which are respectively fixed on both sides of the surface of the frame (100); The lifting assembly (320) includes a fixed box (321), a servo motor (322) located on the surface of the fixed box (321), a movable rod (323) slidably connected to the inner cavity of the fixed box (321), a gear (324) located in the inner cavity of the fixed box (321), and teeth (325) formed on the surface of the movable rod (323), wherein the gear (324) meshes with the teeth (325).

2. The paper coating machine with adjustable thickness as described in claim 1, characterized in that: The coating assembly (200) includes a coating head (210) located at the upper end of the inner cavity of the frame (100) and a hydraulic cylinder (220) fixed to the top of the frame (100), the output end of the hydraulic cylinder (220) being fixedly connected to the coating head (210).

3. The paper coating machine with adjustable thickness as described in claim 2, characterized in that: The support roller (310) is located below the coating head (210). The support roller (310) includes a roller (311) for paper support, a support plate (312) and a fixing plate (313) located at both ends of the roller (311), a groove (314) opened on the surface of the fixing plate (313), and a slider (315) that slides in the inner cavity of the groove (314).

4. The paper coating machine with adjustable thickness as described in claim 3, characterized in that: One end of the slider (315) is fixedly connected to the support plate (312), and the other end of the slider (315) is fixedly connected to the movable rod (323). The roller (311) is rotatably connected to the support plate (312) through a bearing.

5. The paper coating machine with adjustable thickness as described in claim 1, characterized in that: The fixed box (321) is fixedly connected to the frame (100), the servo motor (322) is fixed to the surface of the fixed box (321), the output shaft of the servo motor (322) passes through the inner cavity of the fixed box (321) and is connected to the gear (324) for transmission. The gear (324) is rotatably connected to the inner cavity of the fixed box (321) through the bearing.

6. The paper coating machine with adjustable thickness as described in claim 1, characterized in that: The adjustment assembly (420) includes a cylinder (421) fixed to the surface of the frame (100), a slide rail (422) fixed to the upper end of the surface of the frame (100), a slide block (423) sliding on the surface of the slide rail (422), and a support base (424) fixed to the surface of the slide block (423).

7. The paper coating machine with adjustable thickness as described in claim 6, characterized in that: The tensioning roller (410) is rotatably connected to the support seat (424) via a bearing, and the output end of the cylinder (421) is fixedly connected to the slide (423).

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