阅读说明：本技术 一种具备均匀涂膜功能的纸杯加工装置及其使用方法 (Paper cup processing device with uniform film coating function and using method thereof ) 是由 董江龙 周述中 周述南 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种具备均匀涂膜功能的纸杯加工装置及其使用方法,包括涂膜装置和粘贴装置,所述涂膜装置的一端与粘贴装置的一侧固定连接。本发明通过设置涂膜机构,纸板在经过涂膜机构时,第一涂膜管和第二涂膜管同时对纸板上下两侧进行涂膜,第一刮板和第二刮板再对涂膜后的纸板进行刮平,使PE淋膜液均匀地涂抹在纸板的上下表面,上下两侧均匀涂膜方便粘合得更加牢固,避免影响纸杯的质量和美观,夹持杆将纸杯夹持到输出板的顶部,顶部风机吹出的气体对纸杯的粘合处进行风干定型,提高纸杯和涂膜的融合效果,避免粘合效果差而导致涂膜容易产生脱落,起皮等质量问题,造成纸板的成品质量差。(The invention discloses a paper cup processing device with a uniform film coating function and a using method thereof. According to the invention, the film coating mechanism is arranged, when the paperboard passes through the film coating mechanism, the upper side and the lower side of the paperboard are coated by the first film coating pipe and the second film coating pipe simultaneously, the coated paperboard is scraped by the first scraper plate and the second scraper plate, so that PE film coating liquid is uniformly coated on the upper surface and the lower surface of the paperboard, the uniform coating on the upper side and the lower side is convenient and firm to bond, the quality and the attractiveness of a paper cup are prevented from being influenced, the paper cup is clamped to the top of the output plate by the clamping rod, and the bonding part of the paper cup is air-dried and shaped by air blown out by the top fan, so that the fusion effect of the paper cup and the film coating is improved, the quality problems of easy falling, peeling and the like of the film due to poor bonding effect are avoided, and the quality of the paperboard is prevented from being poor.)

1. A paper cup processing device with a uniform film coating function comprises a film coating device (1) and an adhering device (3), wherein one end of the film coating device (1) is fixedly connected with one side of the adhering device (3), and the paper cup processing device is characterized in that: the film coating device (1) comprises a conveying plate (12), a control box (14), a film coating mechanism (20), a reset piece (18) and a bearing plate (13), wherein one end of the bottom of the conveying plate (12) is fixedly connected with a first supporting column (11), two ends of the top of the conveying plate (12) are provided with sliding grooves (16) in a penetrating mode, two ends of the top of the conveying plate (12) are fixedly connected with the bottom of the film coating mechanism (20), the film coating mechanism (20) comprises a first material storage rod (201), a second material storage rod (206), a first U-shaped plate (203) and a second U-shaped plate (204), the bottom of the first material storage rod (201) is fixedly connected with one side of the top of the conveying plate (12), the bottom of the second material storage rod (206) is fixedly connected with the other side of the top of the conveying plate (12), the inner side of the first material storage rod (201) is fixedly connected with one side of the first U-shaped plate (203), the top of the first U-shaped plate (203) is uniformly and fixedly connected with a plurality of first coating pipes (205), the top of the first U-shaped plate (203) is fixedly connected with a plurality of first scraping plates (209), the inner side of the second storage rod (206) is fixedly connected with one side of the second U-shaped plate (204), the bottom of the second U-shaped plate (204) is uniformly and fixedly connected with a plurality of second coating pipes (207), the bottom of the second U-shaped plate (204) is fixedly connected with a plurality of second scraping plates (208), and the top of the first storage rod (201) is provided with a first feeding groove (202);

paste device (3) and include fixture (31), heater (32), thermoforming pole (36), coil stock spare (39) and control bottom plate (40), fixture (31) are including control roof (311), second support column (315), holding rod (316) and output board (319), the symmetrical fixedly connected with ejector pin (312) in top both ends of output board (319), the top of ejector pin (312) and the both sides fixed connection of control roof (311), the even fixedly connected with a plurality of fan (318) in bottom of control roof (311), the quantity of fan (318) is three.

2. The device for processing paper cups with a uniform coating function according to claim 1, wherein: the utility model discloses an output plate, including output plate (319), the top both ends symmetry fixedly connected with movable rod (313), the outside fixedly connected with driving piece (314) of movable rod (313), the inboard sliding connection of movable rod (313) has holding rod (316), a plurality of pin (317) of inboard fixedly connected with of holding rod (316).

3. The device for processing paper cups with a uniform coating function according to claim 1, wherein: one end of the bottom of the output plate (319) is fixedly connected with the top of the second supporting column (315), the inner side of the second supporting column (315) is fixedly connected with one end of the bearing plate (13), one end of the control bottom plate (40) is fixedly connected with one side of the output plate (319), and the other end of the control bottom plate (40) is fixedly connected with one end of the conveying plate (12).

4. The device for processing paper cups with a uniform coating function according to claim 1, wherein: the quantity of coil stock spare (39) is two, two the bottom of coil stock spare (39) is rotated with the both ends of control bottom plate (40) and is connected, the top of control bottom plate (40) is provided with toper mould (38), the one end fixedly connected with backup pad (37) of toper mould (38), the bottom both ends of backup pad (37) and the one end fixed connection of delivery board (12).

5. The device for processing paper cups with a uniform coating function according to claim 1, wherein: the two ends of the heater (32) are symmetrically and fixedly connected with supporting frames (33), the bottom of the heater (32) is fixedly connected with a fixing rod (34), the bottom of the fixing rod (34) is slidably connected with a telescopic rod (35), and the bottom of the telescopic rod (35) is fixedly installed on the top of a thermal forming rod (36).

6. The device for processing paper cups with a uniform coating function according to claim 1, wherein: the one end of loading board (13) and the inboard fixed connection of first support column (11), the top of loading board (13) and the bottom fixed connection of control box (14), the top fixedly connected with coupling hose (15) of control box (14), the top of coupling hose (15) and the bottom fixed connection of piece (18) that resets.

7. The device for processing paper cups with a uniform coating function according to claim 1, wherein: the top end inner side of the first supporting column (11) is symmetrically and fixedly connected with a sliding rod (21), two ends of the top of the resetting piece (18) are fixedly connected with a pushing rod (19), and two ends of the resetting piece (18) are connected with the outer wall of the sliding rod (21) in a sliding mode.

8. The device for processing paper cups with a uniform coating function according to claim 7, wherein: the outer wall of the pushing rod (19) is connected with the inner wall of the sliding groove (16) in a sliding mode, and pressing plates (17) are symmetrically and fixedly connected to the two ends of the top of the conveying plate (12).

9. A method for using a paper cup processing device with a uniform coating function, which is characterized in that the paper cup processing device with the uniform coating function of any one of claims 1 to 8 is used, and the method comprises the following steps:

s1, firstly, the film coating device (1) and the pasting device (3) are started, paper boards for making paper cups are sequentially placed at one end of the conveying plate (12), and the control box (14) drives the pushing rod (19) to reciprocate in the sliding groove (16) through the resetting piece (18) so as to convey the paper boards forwards in order;

s2, when the paperboard reaches the film coating mechanism (20), when the edge of the paperboard passes through a first U-shaped plate (203) and a second U-shaped plate (204) at two ends, a first film coating pipe (205) and a second film coating pipe (207) simultaneously coat the upper side and the lower side of the paperboard, and a first scraper blade (209) and a second scraper blade (208) scrape the coated paperboard to enable the coated paperboard to be uniformly coated;

s3, the paper board after film coating is continuously conveyed to the top of a control bottom plate (40) by a pushing rod (19), the control bottom plate (40) controls the roll material pieces (39) at the two ends to turn upwards, the paper board is folded into a paper cup shape together with a conical die (38), and meanwhile a heater (32) controls a hot forming rod (36) to carry out hot forming on the film coating position of the paper cup downwards so as to bond the paper cup;

s4, the glued paper cups are clamped to the top of the output plate (319) by clamping rods (316) of the clamping mechanism (31), and are continuously transported outwards at the top of the output plate (319), and the paper cups are dried by a top fan (318) in the transporting process.

Technical Field

The invention relates to the technical field of paper cup processing equipment, in particular to a paper cup processing device with a uniform film coating function and a use method thereof.

Background

The paper cup is a paper container made up by using raw paper made up by using chemical wood pulp through the processes of mechanical processing and adhesion, and its appearance is cup-shaped, and can be used for making wax for frozen food, can be used for containing ice cream, jam and butter, etc. and can be used for heating drink, and can resist the temp. of above 90 deg.C, and can be used for containing boiling water. The paper cup processing flow generally comprises the following steps: 1. the printed fan-shaped paper sheet (unfolded shape of cup) is automatically processed and formed into a paper cup shape. 2. The walls of the paper cups were bonded by thermoforming (according to the properties of PE cast paper). 3. The bottom of the paper cup uses roll paper, and the roll paper automatically feeds and punches. 4. Bonding the cup body and the cup bottom: hot air blow bonding. 5. Knurling: when the bottom of the paper cup is bonded, a layer of impression is rolled through mechanical movement. 6. Edge curling: and (4) curling and forming the opening part of the paper cup.

In the prior art, paper cups are required to be coated on a paperboard firstly in the processing process, and then the paperboard is adhered by thermoforming, but the existing device only coats one side of the paperboard during coating, and the subsequent adhesion caused by the uneven coating thickness is not firm enough, so that the attractiveness of the paper cups is affected, the fusion effect of the coating and the paperboard is poor, the coating is easy to fall off, the peeling and other quality problems are caused, and the quality of the finished paperboard is poor, so that the paper cup processing device with the uniform coating function needs to be designed, and the problems are solved.

Disclosure of Invention

The invention aims to provide a paper cup processing device with a uniform coating function and a using method thereof, and aims to solve the problems that the prior device provided by the background art only coats one side of a paperboard during coating, the subsequent adhesion is not firm enough due to the non-uniform coating thickness, the attractiveness of a paper cup is influenced, the fusion effect of the coating and the paperboard is poor, the coating is easy to fall off, peel and other quality problems are caused, and the quality of the finished paperboard is poor.

In order to achieve the purpose, the invention provides the following technical scheme: a paper cup processing device with an even film coating function comprises a film coating device and a pasting device, wherein one end of the film coating device is fixedly connected with one side of the pasting device, the film coating device comprises a conveying plate, a control box, a film coating mechanism, a reset piece and a bearing plate, one end of the bottom of the conveying plate is fixedly connected with a first supporting column, two ends of the top of the conveying plate are provided with sliding grooves in a penetrating mode, two ends of the top of the conveying plate are fixedly connected with the bottom of the film coating mechanism, the film coating mechanism comprises a first material storage rod, a second material storage rod, a first U-shaped plate and a second U-shaped plate, the bottom of the first material storage rod is fixedly connected with one side of the top of the conveying plate, the bottom of the second material storage rod is fixedly connected with the other side of the top of the conveying plate, the inner side of the first material storage rod is fixedly connected with one side of the first U-shaped plate, a plurality of first film coating pipes are evenly and fixedly connected with the top of the first U-shaped plate, the utility model discloses a device for pasting a plurality of film on the surface of a substrate, including first U template, the inboard of second storage pole and one side fixed connection of second U template, the even fixedly connected with a plurality of second of bottom of second U template scribbles the membrane pipe, the bottom fixedly connected with a plurality of second scraper blade of second U template, first charge tank has been seted up at the top of first storage pole, paste the device and include fixture, heater, thermoforming pole, coil stock spare and control bottom plate, fixture includes control roof, second support column, supporting rod and delivery board, the symmetrical fixedly connected with ejector pin in top both ends of delivery board, the top of ejector pin and the both sides fixed connection of control roof, the even fixedly connected with a plurality of fan in bottom of control roof, the quantity of fan is three.

Preferably, the top both ends symmetry fixedly connected with movable rod of output plate, the outside fixedly connected with driving piece of movable rod, the inboard sliding connection of movable rod has the supporting rod, a plurality of pin of the inboard fixedly connected with of supporting rod.

Preferably, one end of the bottom of the output plate is fixedly connected with the top of the second supporting column, the inner side of the second supporting column is fixedly connected with one end of the bearing plate, one end of the control bottom plate is fixedly connected with one side of the output plate, and the other end of the control bottom plate is fixedly connected with one end of the conveying plate.

Preferably, the quantity of coil stock spare is two, two the bottom of coil stock spare is rotated with the both ends of control bottom plate and is connected, the top of control bottom plate is provided with the toper mould, the one end fixedly connected with backup pad of toper mould, the bottom both ends of backup pad and the one end fixed connection of delivery board.

Preferably, the two ends of the heater are symmetrically and fixedly connected with supporting frames, the bottom of the heater is fixedly connected with a fixing rod, the bottom of the fixing rod is slidably connected with a telescopic rod, and the bottom of the telescopic rod is fixedly installed with the top of the thermal forming rod.

Preferably, the one end of loading board and the inboard fixed connection of first support column, the top of loading board and the bottom fixed connection of control box, the top fixedly connected with coupling hose of control box, coupling hose's top and the bottom fixed connection who resets.

Preferably, the inboard symmetry fixedly connected with slide bar in top of first support column, the top both ends fixedly connected with push rod that resets, the both ends of the piece that resets and the outer wall sliding connection of slide bar.

Preferably, the outer wall of the pushing rod is connected with the inner wall of the sliding groove in a sliding mode, and the two ends of the top of the conveying plate are symmetrically and fixedly connected with the pressing plates.

A use method of a paper cup processing device with a uniform coating function comprises the following steps:

s1, the film coating device and the pasting device are started firstly, paper boards for making paper cups are sequentially placed at one end of the conveying plate, and the control box drives the pushing rod to reciprocate in the sliding groove through the resetting piece so as to convey the paper boards forwards orderly.

S2, when the paperboard reaches the film coating mechanism, when the edge of the paperboard passes through the first U-shaped plate and the second U-shaped plate at two ends, the first film coating pipe and the second film coating pipe simultaneously coat the upper side and the lower side of the paperboard, and the first scraper blade and the second scraper blade scrape the coated paperboard to enable the paperboard to be uniformly coated with films.

S3, conveying the coated paper board to the top of the control bottom plate continuously by the pushing rod, controlling the roll material pieces at the two ends of the control bottom plate to turn upwards and fold the paper board into a paper cup shape together with the conical die, and controlling the hot forming rod to carry out hot forming on the coating position of the paper cup downwards by the heater to enable the paper cup to be bonded.

S4, the glued paper cups are clamped to the top of the output plate by the clamping rods of the clamping mechanisms, the paper cups are continuously transported outwards from the top of the output plate, and a top fan is used for drying the paper cups in the transporting process.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the film coating mechanism is arranged, the first U-shaped plate and the second U-shaped plate of the film coating mechanism are symmetrically arranged on two sides of the top of the conveying plate, the edges of the paperboard move inside the first U-shaped plate and the second U-shaped plate when passing through the film coating mechanism, the first film coating pipe and the second film coating pipe simultaneously coat the upper side and the lower side of the paperboard, the first scraper blade and the second scraper blade scrape the coated paperboard flat, PE film coating liquid is uniformly coated on the upper surface and the lower surface of the paperboard, and the PE film coating liquid is coated on the upper side and the lower side of the paperboard, so that the paperboard can be bonded more firmly, and the finished product quality and the attractiveness of a final paper cup are prevented from being influenced;

2. according to the paper cup and film coating machine, the clamping rod and the fan are arranged, the driving piece controls the clamping rod to reciprocate at the top of the output plate, the paper cup is clamped to the top of the output plate through the clamping rod, the paper cup is conveyed outwards and continuously at the top of the output plate, air blown out by the fan at the top is convenient to air-dry and shape the bonding position of the paper cup, the fusion effect of the paper cup and a film coating is improved, and the quality problems that the film coating is easy to drop and peel and the like due to the poor bonding effect of the paper cup and the film coating are avoided, so that the quality of a finished product of a paperboard is poor.

Drawings

FIG. 1 is a perspective view of a paper cup processing device with a uniform coating function according to the present invention;

FIG. 2 is a schematic structural diagram of a paper cup processing device with a uniform film coating function according to the present invention;

FIG. 3 is a schematic bottom view of a paper cup processing device with a uniform coating function according to the present invention;

FIG. 4 is an enlarged detail view of the portion A in FIG. 1 of the paper cup processing device with the function of uniform film coating according to the present invention;

FIG. 5 is a schematic structural diagram of a coating mechanism of a paper cup processing device with a uniform coating function according to the present invention;

FIG. 6 is a side view of a coating mechanism of a paper cup processing device with a uniform coating function according to the present invention;

FIG. 7 is a schematic structural view of a clamping mechanism of a paper cup processing device with a uniform coating function according to the present invention;

fig. 8 is a schematic bottom view of a clamping mechanism of a paper cup processing device with a uniform coating function according to the present invention.

In the figure:

1. a film coating device; 3. a sticking device; 11. a first support column; 12. a conveying plate; 13. a carrier plate; 14. a control box; 15. a connecting hose; 16. a sliding groove; 17. pressing a plate; 18. a reset member; 19. a push rod; 20. a film coating mechanism; 21. a slide bar; 31. a clamping mechanism; 32. a heater; 33. a support frame; 34. fixing the rod; 35. a telescopic rod; 36. thermoforming the rod; 37. a support plate; 38. a conical die; 39. a coil piece; 40. a control backplane; 201. a first storage pole; 202. a first feed tank; 203. a first U-shaped plate; 204. a second U-shaped plate; 205. a first coated tube; 206. a second storage pole; 207. a second coated tube; 208. a second squeegee; 209. a first squeegee; 311. a control top plate; 312. a top rod; 313. a movable rod; 314. a drive member; 315. a second support column; 316. a clamping rod; 317. a stop lever; 318. a fan; 319. and an output plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1, with reference to FIGS. 1-8: a paper cup processing device with a uniform film coating function comprises a film coating device 1 and an adhering device 3, one end of the film coating device 1 is fixedly connected with one side of the adhering device 3, the film coating device 1 comprises a conveying plate 12, a control box 14, a film coating mechanism 20, a reset piece 18 and a bearing plate 13, one end of the bottom of the conveying plate 12 is fixedly connected with a first supporting column 11, two ends of the top of the conveying plate 12 are provided with sliding grooves 16 in a penetrating mode, two ends of the top of the conveying plate 12 are fixedly connected with the bottom of the film coating mechanism 20, the film coating mechanism 20 comprises a first material storage rod 201, a second material storage rod 206, a first U-shaped plate 203 and a second U-shaped plate 204, the bottom of the first material storage rod 201 is fixedly connected with one side of the top of the conveying plate 12, the bottom of the second material storage rod 206 is fixedly connected with the other side of the top of the conveying plate 12, the inner side of the first material storage rod 201 is fixedly connected with one side of the first U-shaped plate 203, the top of the first U-shaped plate 203 is uniformly and fixedly connected with a plurality of first coating pipes 205, the top of the first U-shaped plate 203 is fixedly connected with a plurality of first scraping plates 209, the inner side of the second material storage rod 206 is fixedly connected with one side of the second U-shaped plate 204, the bottom of the second U-shaped plate 204 is uniformly and fixedly connected with a plurality of second coating pipes 207, the bottom of the second U-shaped plate 204 is fixedly connected with a plurality of second scraping plates 208, the top of the first material storage rod 201 is provided with a first feeding groove 202, one end of the bearing plate 13 is fixedly connected with the inner side of the first support column 11, the top of the bearing plate 13 is fixedly connected with the bottom of the control box 14, the top of the control box 14 is fixedly connected with a connecting hose 15, the top of the connecting hose 15 is fixedly connected with the bottom of the reset piece 18, the inner side of the top of the first support column 11 is symmetrically and fixedly connected with a sliding rod 21, the two ends of the top of the reset piece 18 are fixedly connected with a push rod 19, the two ends of the reset piece 18 are connected with the outer wall of the sliding rod 21 in a sliding mode, the outer wall of the pushing rod 19 is connected with the inner wall of the sliding groove 16 in a sliding mode, the pressing plates 17 are symmetrically and fixedly connected to the two ends of the top of the conveying plate 12, the sliding groove 16 is used for moving the pushing rod 19, the pushing rod 19 can convey the paper boards to the other end of the conveying plate 12, the paper boards are guaranteed not to be damaged, the first film coating pipe 205 and the first scraping plate 209 are located on the top of the first U-shaped plate 203, the second film coating pipe 207 and the second scraping plate 208 are located on the inner side of the bottom of the second U-shaped plate 204, and film coating can be conducted on the edges of the upper side and the lower side of the paper boards;

as shown in fig. 1, 2, 7 and 8, the pasting device 3 includes a clamping mechanism 31, a heater 32, a thermoforming rod 36, a coiled material member 39 and a control bottom plate 40, the clamping mechanism 31 includes a control top plate 311, a second supporting column 315, clamping rods 316 and an output plate 319, two ends of the top of the output plate 319 are symmetrically and fixedly connected with ejector rods 312, the top of the ejector rods 312 is fixedly connected with two sides of the control top plate 311, the bottom of the control top plate 311 is uniformly and fixedly connected with a plurality of fans 318, the number of the fans 318 is three, two ends of the top of the output plate 319 are symmetrically and fixedly connected with movable rods 313, the outer side of the movable rods 313 is fixedly connected with a driving member 314, the inner side of the movable rods 313 is slidably connected with the clamping rods 316, the inner side of the clamping rods 316 is fixedly connected with a plurality of stop rods, one end of the bottom of the output plate 319 is fixedly connected with the top of the second supporting column 315, the inner side of the second supporting column 315 is fixedly connected with one end of the bearing plate 13, one end of the control bottom plate 40 is fixedly connected with one side of the output plate 319, the other end of the control bottom plate 40 is fixedly connected with one end of the conveying plate 12, the number of the coiled material pieces 39 is two, the bottoms of the two coiled material pieces 39 are rotatably connected with two ends of the control bottom plate 40, a conical die 38 is arranged at the top of the control bottom plate 40, one end of the conical die 38 is fixedly connected with a supporting plate 37, two ends of the bottom of the supporting plate 37 are fixedly connected with one end of the conveying plate 12, two ends of the heater 32 are symmetrically and fixedly connected with supporting frames 33, a fixing rod 34 is fixedly connected with the bottom of the heater 32, a telescopic rod 35 is slidably connected with the bottom of the fixing rod 34, the bottom of the telescopic rod 35 is fixedly installed with the top of the thermoforming rod 36, the second supporting rod 315 supports and fixes the output plate 319, a driving member 314 controls a clamping rod 316 to reciprocate at the top of the output plate 319, the clamping rod 316 clamps paper cups to the top of the output plate 319, the stop bar 317 continuously transports the paper cups to the outside at the top of the output plate 319, and the fan 318 air-dries and shapes the bonding positions of the paper cups in the output process of the paper cups.

A use method of a paper cup processing device with a uniform coating function comprises the following steps:

firstly, the coating device 1 and the pasting device 3 are started, paper boards for making paper cups are sequentially placed at one end of the conveying plate 12, and the control box 14 drives the pushing rod 19 to reciprocate in the sliding groove 16 through the resetting piece 18 so as to convey the paper boards forwards in order.

And step two, when the paperboard reaches the coating mechanism 20 and the edge of the paperboard passes through the first U-shaped plate 203 and the second U-shaped plate 204 at two ends, the upper side and the lower side of the paperboard are coated by the first coating pipe 205 and the second coating pipe 207 at the same time, and the coated paperboard is scraped by the first scraper 209 and the second scraper 208 to be uniformly coated.

And step three, the coated paperboard is continuously conveyed to the top of a control bottom plate 40 by a pushing rod 19, the control bottom plate 40 controls the coil material pieces 39 at the two ends to turn upwards, the paperboard is folded into a paper cup shape together with a conical die 38, and meanwhile, a heater 32 controls a hot forming rod 36 to carry out hot forming on the coated position of the paper cup downwards so as to enable the paper cup to be bonded.

And step four, clamping the glued paper cups to the top of the output plate 319 by the clamping rods 316 of the clamping mechanism 31, continuously transporting the paper cups outwards from the top of the output plate 319, and drying the paper cups by the top fan 318 in the transporting process.

When the device is used, firstly, the film coating device 1 and the pasting device 3 are opened, paper boards for manufacturing paper cups are sequentially placed at one end of the conveying plate 12, the control box 14 reciprocates left and right along the sliding rod 21 through the resetting piece 18 so as to drive the pushing rod 19 at the top to reciprocate in the sliding groove 16 to convey the paper boards forward in order, the pushing rod 19 close to the film coating mechanism 20 conveys the paper boards to the film coating mechanism 20, when the edges of the paper boards pass through the first U-shaped plate 203 and the second U-shaped plate 204 at two ends, the first film coating pipe 205 and the second film coating pipe 207 coat the upper side and the lower side of the paper boards at the same time, the first scraper 209 and the second scraper 208 scrape the coated paper boards evenly, PE film coating liquid is conveniently and uniformly coated on the upper surface and the lower surface of the paper boards, PE film coating liquid is uniformly coated on the upper side and the lower side of the paper boards, and the adhesion of the paper boards is more firm, the influence on the quality and the attractiveness of the finished paper cup is avoided, the paper plate after being coated is continuously conveyed to the top of the control bottom plate 40 after the push rod 19 returns, the control bottom plate 40 controls the roll material pieces 39 at the two ends to upwards turn, the roll material pieces 39 and the conical die 38 together fold the paper plate into a paper cup shape, the top heater 32 controls the telescopic rod 35 to downwards move to drive the thermoforming rod 36 to downwards thermoform the coating positions of the paper cups, so that the coating positions of the paper cups are bonded together, the driving piece 314 controls the clamping rod 316 to do back and forth movement on the top of the output plate 319, the clamping rod 316 clamps the bonded paper cups to the top of the output plate 319, in the process that the clamping rod 316 continuously moves left and right, the paper cups are continuously conveyed outwards at the top of the output plate 319 by the stop rod 317, air blown by the three fans 318 at the top is convenient for air drying and shaping the bonding positions of the paper cups, and the fusion effect of the coating and the paper cups is improved, the quality problems of easy falling off and peeling of the coating film caused by poor adhesion effect of the paper cup and the coating film are avoided, and the quality of the finished paperboard is poor.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.