A hot press compounding device for glueless coated paper

Abstract

The utility model discloses a kind of hot-pressing composite devices for glueless coated paper in the field of glueless coated paper processing, including support frame and its inside transmission belt, dust removal mechanism is provided to support frame left end, dust removal mechanism includes the gas delivery bin fixed in the outer wall of support frame left end, multiple groups of air jet head in the lower end of gas delivery bin, the first drive motor in the rear end of gas delivery bin, brush roll driven by the first drive motor and located below gas delivery bin and gas supply pump in the upper end of gas delivery bin;Continuous pressing type hot-pressing mechanism is provided to the right side of dust removal mechanism, and the hot-pressing composite device for glueless coated paper is synergized by dust removal mechanism and continuous pressing type hot-pressing mechanism, through first-line air injection and brushing, ensure that paper base surface is clean, then be realized uniform distribution and reliable pressing of melt by accurate controlled extrusion supply and synchronous hot-pressing, to significantly improve the bonding uniformity and appearance consistency of composite piece, benefit stable continuous production and reduce defective and material waste.

Description

Technical Field

[0001] This utility model relates to the field of adhesive-free coated paper processing, specifically a hot-pressing lamination device for adhesive-free coated paper. Background Technology

[0002] Adhesive-free coated paper processing refers to a processing method that, without the use of traditional liquid adhesives, directly bonds fusible or self-adhesive films or resin materials to the paper surface during roll-to-roll or lamination processes through processes such as hot melting, coating, or physical melting, forming a continuous waterproof, barrier, oil-resistant, or decorative protective layer, thereby giving the paper functionality and durability.

[0003] In existing adhesive-free coated paper lamination processes, dust and tiny particles easily adhere to the paper substrate surface, causing localized areas that cannot be wetted, resulting in weak bonding or blistering during melt coating. Furthermore, asynchronous transmission or uneven pressure distribution between the hot press rollers leads to uneven pressing, resulting in poor adhesion, numerous appearance defects, limited production speed, and material waste, making stable and continuous production difficult. Therefore, this invention designs a hot press lamination device for adhesive-free coated paper to solve the aforementioned problems. Utility Model Content

[0004] The purpose of this invention is to provide a hot-pressing lamination device for adhesive-free coated paper to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A hot-pressing laminating device for adhesive-free coated paper includes a support frame and a conveyor belt inside it. A dust removal mechanism is provided at the left end of the support frame. The dust removal mechanism includes an air supply chamber fixed to the outer wall of the left end of the support frame, multiple sets of air jets at the lower end of the air supply chamber, a first drive motor at the rear end of the air supply chamber, a brush roller driven by the first drive motor and located below the air supply chamber, and an air supply pump at the upper end of the air supply chamber. A continuous pressing hot-pressing mechanism is provided on the right side of the dust removal mechanism. The continuous pressing hot-pressing mechanism includes a support frame located behind the support frame, an extruder fixed to the upper end of the support frame and an injection funnel at its upper end, a servo motor connected to the rear end of the extruder, a glue supply chamber at the front end of the extruder and multiple sets of extrusion heads at its lower end, a first hot-pressing roller and a second hot-pressing roller located on the right side of the glue supply chamber. The first hot-pressing roller is driven by a second drive motor through a drive gear, an idler gear and a transmission gear so as to rotate synchronously with the second hot-pressing roller. First bearing seats are installed at both ends of the first hot-pressing roller.

[0006] Optionally, the conveyor belt within the support frame is used to allow the paper-based material to continuously pass through the cleaning mechanism and the continuous pressing hot pressing mechanism in sequence, so that the paper base is blown by the air jet head under the air conveying chamber and brushed by the brush roller before entering the hot pressing zone on the right side of the glue conveying chamber and being extruded and melt-pressed.

[0007] Optionally, the gas delivery chamber is fixedly installed on the outer wall of the left end of the support frame, the multiple sets of jet nozzles are distributed at the lower end of the gas delivery chamber, the first drive motor is set at the rear end of the gas delivery chamber and rotates the brush roller, and the air supply pump is fixedly installed at the upper end of the gas delivery chamber to supply air to the gas delivery chamber.

[0008] Optionally, the extruder is fixed to the upper end of the support frame, the injection funnel is fixed to the upper end of the extruder, and the servo motor is connected to and drives the feeding screw inside the extruder to continuously feed melt into the glue delivery bin.

[0009] Optionally, a baffle plate is fixedly installed at the left end of the glue delivery bin, and multiple sets of extrusion heads are fixedly connected to the lower end of the glue delivery bin. The baffle plate cooperates with the multiple sets of extrusion heads to maintain the distribution of melt in the glue delivery bin and the outlet arrangement.

[0010] Optionally, a second bearing seat is installed at both ends of the second hot press roller, and a third bearing seat is installed at both ends of the idler wheel. The first bearing seat, the second bearing seat, and the third bearing seat are all fixedly installed on the support frame.

[0011] Optionally, the second drive motor is installed at the front end of the first hot press roller and drives the idler wheel through the drive gear. The right side of the idler wheel meshes with the transmission gear, and the transmission gear is fixedly connected to the front end of the second hot press roller, so that the first hot press roller is synchronized with the second hot press roller through the drive gear, the idler wheel and the transmission gear.

[0012] Optionally, the first drive motor rotates the brush roller to cooperate with the air delivery chamber to blow air onto the conveyor belt through the air jet head, and the second drive motor drives the first hot press roller and the second hot press roller to rotate synchronously via the transmission mechanism, so as to achieve continuous pressing of the paper base with the melt after cleaning.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. In this utility model, a dust removal mechanism is provided. The dust removal mechanism supplies air to the air conveying chamber through an air supply pump and causes multiple sets of jet nozzles to spray air onto the paper base on the conveyor belt. At the same time, the first drive motor causes the brush roller to rotate to brush the surface of the paper base. Thus, the combined action effectively removes dust and small particles, ensuring that the surface of the paper base is clean, so as to avoid problems such as local non-wetting, weak bonding or hollowing during the subsequent melt coating and hot pressing process.

[0014] 2. In this utility model, a continuous pressing hot pressing mechanism is provided. The continuous pressing hot pressing mechanism continuously supplies melt to the glue feeding bin by driving the feeding screw in the extruder through a servo motor. The melt is evenly distributed by the baffle plate and multiple sets of extrusion heads. The first hot pressing roller and the second hot pressing roller rotate synchronously by the second drive motor through the drive gear, idler wheel and transmission gear, so as to uniformly heat and pressurize the paper base and the melt in the hot pressing zone, thereby realizing the uniform film formation and firm bonding of the melt thin layer, improving the adhesion of the finished product and reducing appearance defects and raw material waste. Attached Figure Description

[0015] Figure 1 This is a three-dimensional front view structural diagram of the present invention; Figure 2 This is a schematic diagram of the structure of this utility model from a planar front view; Figure 3 This is a three-dimensional top view of the structure of this utility model; Figure 4 This is a top view of the structure of this utility model; Figure 5 This is a schematic diagram of the three-dimensional rear view structure of this utility model; Figure 6 This is a three-dimensional sectional view of the structure of this utility model. Figure 1 ; Figure 7 This is a three-dimensional sectional view of the structure of this utility model. Figure 2 ; Figure 8 This is a three-dimensional sectional view of the structure of this utility model. Figure 3 .

[0016] In the diagram: 1. Support frame; 2. Conveyor belt; 3. Dust removal mechanism; 301. Air supply chamber; 302. Air jet head; 303. First drive motor; 304. Brush roller; 305. Air supply pump; 4. Continuous pressing hot pressing mechanism; 401. Support frame; 402. Extruder; 403. Injection funnel; 404. Servo motor; 405. Glue supply hopper; 406. Extrusion head; 407. First hot press roller; 408. First bearing seat; 409. Second drive motor; 410. Drive gear; 411. Idler wheel; 412. Transmission gear; 413. Second hot press roller; 414. Second bearing seat; 415. Third bearing seat; 416. Baffle plate. Detailed Implementation

[0017] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1-8In this embodiment of the present invention, a hot-pressing laminating device for adhesive-free coated paper is used as an example. The device includes a support frame 1 and a conveyor belt 2 disposed inside it. A dust removal mechanism 3 is disposed at the left end of the support frame 1. The dust removal mechanism 3 includes an air supply chamber 301 fixed to the outer wall of the left end of the support frame 1, multiple sets of air jets 302 arranged at the lower end of the air supply chamber 301, a first drive motor 303 disposed at the rear end of the air supply chamber 301, a brush roller 304 driven by the first drive motor 303 and located below the air supply chamber 301, and an air supply pump 305 fixed at the upper end of the air supply chamber 301. A continuous pressing hot-pressing mechanism 4 is disposed on the right side and rear of the support frame 1. The continuous pressing hot-pressing mechanism 4 includes a support frame 401 located behind the support frame 1, an extruder 402 fixed to the upper end of the support frame 401 and an injection funnel 403 at its upper end, and a support frame 402 located behind the extruder 402. The system includes a servo motor 404 connected to the end, a glue delivery bin 405 located at the front end of the extruder 402 and multiple sets of extrusion heads 406 at its lower end, a first hot press roller 407 and a second hot press roller 413 located on the right side of the glue delivery bin 405, a first bearing seat 408 for mounting the front and rear ends of the first hot press roller 407, a second drive motor 409 located at the front end of the first hot press roller 407, a drive gear 410 connected to the second drive motor 409, an idler wheel 411 cooperating with the drive gear 410, a transmission gear 412 meshing with the right side of the idler wheel 411, a second bearing seat 414 for mounting the front and rear ends of the second hot press roller 413, a third bearing seat 415 for mounting the front and rear ends of the idler wheel 411, and a baffle plate 416 fixed to the left end of the glue delivery bin 405. The first bearing seat 408, the second bearing seat 414 and the third bearing seat 415 are all fixedly installed on the support frame 1. Specific embodiment of assembly and positional relationship: The support frame 1 is the load-bearing structure of the whole machine. The conveyor belt 2 is set inside the support frame 1 and arranged in a left-to-right direction, so that the paper base material is continuously conveyed from the left end to the right end of the support frame 1 along the conveyor belt 2. The air supply chamber 301 is fixed to the outer wall of the left end of the support frame 1 and the air supply pump 305 is fixedly installed at its upper end. Multiple sets of air jets 302 extend from the lower end of the air supply chamber 301 and are arranged towards the conveyor belt 2. The first drive motor 303 is set at the rear end of the air supply chamber 301 and the brush roller 304 is fixedly connected to its transmission end. The brush roller 304 is located below the air supply chamber 301 and adjacent to the paper base on the conveyor belt 2. The support frame 401 is set behind the support frame 1 and the extruder 402 is fixedly installed. The feeding funnel 403 is fixed at the upper end of the extruder 402. The servo motor 404 is connected to the rear end of the extruder 402 to drive the conveyor belt inside the extruder 402. The front end of the extruder 402 is connected to the glue supply bin 405. The left end of the glue supply bin 405 is fixed with a baffle plate 416. Multiple sets of extrusion heads 406 are arranged at the lower end of the glue supply bin 405. The extrusion heads 406 face the conveyor belt 2 and are distributed laterally to facilitate the formation of a thin layer of melt on the paper base. The first hot press roller 407 and the second hot press roller 413 are arranged side by side in the hot press area on the right side of the glue supply bin 405. The first hot press roller 407 is equipped with a first bearing seat 408 at both ends of the front and rear. The second hot press roller 413 is equipped with a second bearing seat 414 at both ends of the front and rear. The idler wheel 411 is equipped with a third bearing seat 415 at both ends of the front and rear. The second drive motor 409 is installed at the front end of the first hot press roller 407 and a drive gear 410 is installed at its output end. The drive gear 410 meshes with the idler wheel 411. The right side of the idler wheel 411 meshes with a transmission gear 412. The transmission gear 412 is fixedly connected to the front end of the second hot press roller 413. Working process and functional implementation: During production, the paper base material is placed on the conveyor belt 2, which transports the paper base from the left end to the right end of the support frame 1. The paper base first enters the dust removal mechanism 3 area. The air supply pump 305 supplies air to the air conveying chamber 301, causing multiple sets of air jets 302 at the lower end of the air conveying chamber 301 to blow and remove loose dust from the paper base on the conveyor belt 2. The first drive motor 303 drives the brush roller 304 to rotate and brush the surface of the paper base, thereby working with the air jets 302 to remove adhesive or embedded microparticles. The dust removal machine... Structure 3 ensures the cleanliness of the treated paper base surface through the combined action of the jet nozzle 302 and the brush roller 304. The cleaned paper base is conveyed to the front end of the continuous pressing hot pressing mechanism 4 via the conveyor belt 2. The feeding funnel 403 supplies raw materials to the extruder 402. The servo motor 404 drives the feeding screw in the extruder 402 to continuously feed the melt into the glue feeding bin 405. The baffle plate 416 in the glue feeding bin 405 cooperates with multiple sets of extrusion heads 406 to ensure the distribution of the melt in the glue feeding bin 405 and the uniform extrusion from the multiple sets of extrusion heads 406. The multiple sets of extrusion heads 406 push the melt... The material is extruded and placed on the surface of the cleaned paper base. Subsequently, the paper base and the melt enter the hot pressing zone formed by the first hot pressing roller 407 and the second hot pressing roller 413. The second drive motor 409 drives the idler wheel 411 via the drive gear 410. The right side of the idler wheel 411 meshes with the transmission gear 412. The transmission gear 412 is fixedly connected to the front end of the second hot pressing roller 413, so that the first hot pressing roller 407 is driven by the drive gear 410, the idler wheel 411 and the transmission gear 412 to rotate synchronously with the second hot pressing roller 413, thereby applying a stable relative motion to the paper base and the melt in the hot pressing zone. With pressure to complete continuous pressing, the first bearing seat 408, the second bearing seat 414 and the third bearing seat 415 respectively support the corresponding rotating body and are fixed to the support frame 1 to ensure reliable rotation and stable positioning of the hot press roller and the idler wheel 411. The above working process forms a continuous step from dust removal to extrusion to hot pressing, so that the paper base is cleaned before entering the hot pressing zone. The melt can be stably supplied by the extruder 402 through the glue supply bin 405 and the extrusion head 406, and synchronously pressed by the first hot press roller 407 and the second hot press roller 413 to complete the coating and lamination. Description of the embodiment of the dust removal mechanism 3: In this embodiment, the air supply chamber 301 is fixed to the outer wall of the left end of the support frame 1, and the air supply pump 305 is fixed to the upper end of the air supply chamber 301 to supply air to the air supply chamber 301, so that multiple sets of jet nozzles 302 blow the paper base on the conveyor belt 2 from the lower end of the air supply chamber 301. At the same time, the first drive motor 303 is installed at the rear end of the air supply chamber 301, and its transmission end is fixedly connected to the brush roller 304. The brush roller 304 is located below the air supply chamber 301 and is opposite to the paper base on the conveyor belt 2, so that the brush roller 304 rotates under the drive of the first drive motor 303, thereby cooperating with the jet nozzles 302 to brush and blow the paper base. The dust removal mechanism 3 removes dust and small particles and keeps the surface of the paper base clean through the coordinated method of jetting and brushing, so as to facilitate the wetting and bonding of the subsequent melt. Example of continuous pressing hot pressing mechanism 4: In this embodiment, support frame 401 is fixed behind support frame 1 and extruder 402 is fixedly installed on its upper end. Injection funnel 403 is fixed to the upper end of extruder 402 to supply raw materials. Servo motor 404 is connected to the rear end of extruder 402 and drives the feed screw in extruder 402 so that melt continuously enters glue feeding bin 405. Baffle plate 416 is fixed at the left end of glue feeding bin 405 to maintain the distribution position of melt in glue feeding bin 405. Multiple sets of extrusion heads 406 are aligned with the paper base on conveyor belt 2 from the lower end of glue feeding bin 405 to perform multi-point extrusion. The extruded melt... The layer is conveyed along with the paper base to the hot pressing zone between the first hot pressing roller 407 and the second hot pressing roller 413; the second drive motor 409 is installed at the front end of the first hot pressing roller 407 and drives the first hot pressing roller 407 and the second hot pressing roller 413 to rotate synchronously through the drive gear 410, the idler wheel 411 and the transmission gear 412; the first bearing seat 408, the second bearing seat 414 and the third bearing seat 415 respectively support the hot pressing roller and the idler wheel 411 and are fixed to the support frame 1, so that the paper base and the melt are continuously pressed and the melt is formed and bonded to the paper base under the action of the first hot pressing roller 407 and the second hot pressing roller 413; In this embodiment, the structural connection relationship, motion transmission relationship and corresponding function of each component have been specifically explained. In use, the support frame 1, conveyor belt 2, dust removal mechanism 3 and continuous pressing hot pressing mechanism 4 can work together according to the above structure to achieve continuous hot pressing and lamination of glue-free coated paper. The above embodiments are only some examples of the present invention and are not intended to limit the present invention. All equivalent changes and modifications made within the spirit of the present invention and the scope indicated by the claims should be within the protection scope of the present invention.

[0021] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hot-pressing laminating device for adhesive-free coated paper, comprising a support frame (1) and a conveyor belt (2) inside it, characterized in that: The left end of the support frame (1) is provided with a dust removal mechanism (3), which includes an air supply chamber (301) fixed to the outer wall of the left end of the support frame (1), multiple sets of jet nozzles (302) at the lower end of the air supply chamber (301), a first drive motor (303) at the rear end of the air supply chamber (301), a brush roller (304) driven by the first drive motor (303) and located below the air supply chamber (301), and an air supply pump (305) at the upper end of the air supply chamber (301); the right side of the dust removal mechanism (3) is provided with a continuous pressing hot pressing mechanism (4), which includes a support frame (401) located behind the support frame (1), and a support frame (401) fixed to the support frame (1). The frame (401) includes an extruder (402) at the upper end and a feeding funnel (403) at the upper end, a servo motor (404) connected to the rear end of the extruder (402), a glue feeding bin (405) at the front end of the extruder (402) and multiple sets of extrusion heads (406) at the lower end, a first hot press roller (407) and a second hot press roller (413) located on the right side of the glue feeding bin (405). The first hot press roller (407) is driven by a second drive motor (409) through a drive gear (410), an idler wheel (411) and a transmission gear (412) so that it rotates synchronously with the second hot press roller (413). The first hot press roller (407) is equipped with a first bearing seat (408) at both the front and rear ends.

2. The hot-pressing laminating device for adhesive-free coated paper according to claim 1, characterized in that: The conveyor belt (2) inside the support frame (1) is used to make the paper base material run continuously through the cleaning mechanism (3) and the continuous pressing hot pressing mechanism (4) in sequence, so that the paper base is blown by the air nozzle (302) under the air supply chamber (301) and brushed by the brush roller (304) before entering the hot pressing zone on the right side of the glue supply chamber (405) and being extruded into melt pressing.

3. The hot-pressing laminating device for adhesive-free coated paper according to claim 1, characterized in that: The gas delivery chamber (301) is fixedly installed on the outer wall of the left end of the support frame (1). The multiple sets of jet heads (302) are distributed at the lower end of the gas delivery chamber (301). The first drive motor (303) is set at the rear end of the gas delivery chamber (301) and rotates the brush roller (304). The air supply pump (305) is fixedly installed at the upper end of the gas delivery chamber (301) to supply air to the gas delivery chamber (301).

4. The hot-pressing laminating device for adhesive-free coated paper according to claim 1, characterized in that: The extruder (402) is fixed to the upper end of the support frame (401), the injection funnel (403) is fixed to the upper end of the extruder (402), and the servo motor (404) is connected to and drives the feeding screw in the extruder (402) so as to continuously feed melt to the glue feeding bin (405).

5. The hot-pressing laminating device for adhesive-free coated paper according to claim 4, characterized in that: A baffle plate (416) is fixedly installed at the left end of the glue delivery hopper (405), and multiple sets of extrusion heads (406) are fixedly connected at the lower end of the glue delivery hopper (405). The baffle plate (416) cooperates with the multiple sets of extrusion heads (406) to maintain the distribution of melt and the outlet arrangement in the glue delivery hopper (405).

6. The hot-pressing laminating device for adhesive-free coated paper according to claim 1, characterized in that: The second hot press roller (413) is equipped with a second bearing seat (414) at both ends, and the idler wheel (411) is equipped with a third bearing seat (415) at both ends. The first bearing seat (408), the second bearing seat (414) and the third bearing seat (415) are all fixedly installed on the support frame (1).

7. The hot-pressing laminating device for adhesive-free coated paper according to claim 6, characterized in that: The second drive motor (409) is installed at the front end of the first hot press roller (407) and drives the idler wheel (411) through the drive gear (410). The idler wheel (411) meshes with the transmission gear (412) on the right side. The transmission gear (412) is fixedly connected to the front end of the second hot press roller (413), so that the first hot press roller (407) is synchronized with the second hot press roller (413) through the drive gear (410), the idler wheel (411) and the transmission gear (412).

8. The hot-pressing laminating device for adhesive-free coated paper according to claim 1, characterized in that: The first drive motor (303) causes the brush roller (304) to rotate in coordination with the air delivery chamber (301) to spray air onto the conveyor belt (2) through the air jet head (302). The second drive motor (409) drives the first hot press roller (407) and the second hot press roller (413) to rotate synchronously via the transmission mechanism, so as to achieve continuous pressing of the paper base with the melt after cleaning.

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