Film coating device for woven packaging bag

Abstract

The utility model relates to the technical field of packaging bag film coating, in particular to a woven packaging bag film coating device which comprises a main body mechanism, a leveling mechanism, a coating mechanism and a winding mechanism, an adjusting knob at the top end of a liquid coating cylinder is adjusted to a proper liquid spraying speed, a first motor drives a first leveling roller to rotate clockwise and drives a second leveling roller to rotate synchronously and reversely, and the coating mechanism is arranged on the main body mechanism. Twisting, tensioning and leveling effects are achieved, uneven film coating at wrinkles is avoided, the product quality is improved, and the machining speed is increased. The surface of the woven packaging bag is uniformly sprayed through a coating liquid spray head of the coating mechanism, part of excessively sprayed parts can be scraped off through a scraper, the scraped coating liquid is collected for secondary utilization through a residual liquid collecting tank, waste of the coating liquid is avoided, the economical efficiency of the device is improved, and the device is suitable for popularization and application. And meanwhile, the energy-saving and environment-friendly effects are also embodied. And through the drying box, the effect of rapidly drying the coated woven packaging bag is achieved, uneven condensation of coating liquid is avoided, and the operation efficiency and the machining quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bag coating, in particular to a woven packaging bag coating device. Background Art

[0002] Woven packaging bags, also known as snakeskin bags, are a type of plastic bag used for packaging. Their raw materials are generally various chemical plastic raw materials such as polyethylene and polypropylene. Plastic woven bags have been widely used in aquatic product packaging, poultry feed packaging, covering materials for farms, sunshade, windproof, and hailproof sheds for crop planting. Common products: feed woven bags, chemical woven bags, putty powder woven bags, urea woven bags, vegetable mesh bags, fruit mesh bags, etc. In the process of producing woven packaging bags, coating is an indispensable and important link.

[0003] As disclosed in the authorization announcement number CN217944509U, a packaging bag laminating device is disclosed, including a supporting base, on which a conveying platform for conveying printed materials to be laminated is arranged, and on the conveying platform, from left to right, there are arranged in sequence a winding part for placing a packaging bag film, a pressing part for pressing the packaging bag film onto the printed material, a heating part for fixing the packaging bag film on the printed material, and a cutting part for cutting the packaging bag film after the packaging bag film is laminated onto the printed material; the utility model has a simple structure and is easy to operate, and can realize laminating of printed materials of different thicknesses and hot pressing them so that the film can be bonded to the printed material. However, the utility model lacks a residual liquid collection and coating liquid speed adjustment mechanism, which is not convenient for adjusting the thickness of the product coating after coating and the secondary use of the excess coating liquid. For this reason, we propose a woven packaging bag coating device, which solves the problems of secondary use of excess coating liquid and coating liquid speed control, and improves the practicality and economy of the coating device. Utility Model Content

[0004] The utility model aims to provide a film coating device for woven packaging bags to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A woven packaging bag coating device comprises a main body mechanism, a leveling mechanism, a coating mechanism, and a winding mechanism, wherein the leveling mechanism is located inside the main body mechanism and at the top thereof, the coating mechanism is located at one side of the leveling mechanism, and the winding mechanism is located at one side of the coating mechanism, the main body mechanism comprises a workbench, a control box, a first fixed plate, a second fixed plate, a third fixed plate, a fourth fixed plate, a safety railing, a leg, and a brakeable universal wheel, the control box is fixedly installed on one side of the workbench, the first fixed plate, the second fixed plate, the third fixed plate, and the fourth fixed plate are fixedly installed on the top of the workbench, the safety railing is fixedly installed on the top of the workbench, the bottom end of the workbench is fixedly provided with a leg, the bottom end of the leg is fixedly provided with a brakeable universal wheel, the leveling mechanism comprises a first motor, a linkage box, a first rotating rod, a second rotating rod, a first leveling roller, and a second leveling roller, and the first motor is fixedly installed on one side of the linkage box.

[0007] Preferably, one end of the first rotating rod passes through the first leveling roller and is movably installed on one side of the workbench, the other end of the first rotating rod is fixedly connected to the first motor, one end of the second rotating rod passes through the second leveling roller and is movably arranged on one side of the first fixed plate, and the other end of the second rotating rod is movably installed on one side of the linkage box.

[0008] Preferably, the coating mechanism includes a coating liquid cylinder, an adjusting button, a connecting pipe, a sealing ring, a liquid outlet pipe, a coating liquid nozzle, a spray hole, a scraper, a residual liquid collection tank, a handle, a drainage joint pipe, a drying box, and a control keyboard, and the coating liquid cylinder is fixedly arranged on the top of the workbench.

[0009] Preferably, an adjusting button is fixedly installed on the top of the coating liquid cylinder, one end of the connecting tube is fixedly installed on one side of the second fixed plate, the other end of the connecting tube is fixedly connected to the bottom end of the coating liquid cylinder, a sealing ring is fixedly installed on the bottom end of the connecting tube, a liquid outlet pipe is fixedly installed on the bottom end of the sealing ring, and a coating liquid nozzle is fixedly provided on the bottom end of the liquid outlet pipe.

[0010] Preferably, a plurality of spray holes are provided at the bottom end of the coating liquid nozzle, the scraper is fixedly arranged on one side of the connecting pipe, the residual liquid collecting tank is fixedly arranged on the bottom end of the scraper, a pull handle and a drainage joint pipe are fixedly arranged on the outside of the residual liquid collecting tank, the drying box is fixedly installed on one side of the coating liquid cylinder, and a control keyboard is fixedly installed on the outside of the drying box.

[0011] Preferably, the winding mechanism includes a second motor, a rotating shaft, a limit plate, and a winding drum. The second motor is fixedly installed on one side of the workbench, one end of the rotating shaft is fixedly connected to the second motor, and the other end of the rotating shaft passes through the winding drum and the limit plate and is movably installed on one side of the fourth fixed plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A woven packaging bag coating device is used to move the device to a desired work location through the brakeable universal wheels of the main body mechanism, and then the woven packaging bag is passed through the gap between the first leveling roller and the second leveling roller to one side of the coating mechanism, and the first motor, the second motor and the drying box are started through the control box and the control keyboard, and the adjustment button on the top of the coating liquid cylinder is adjusted to a suitable spraying speed. The first motor drives the first leveling roller to rotate, thereby driving the second leveling roller on one side of the linkage box to rotate synchronously in the opposite direction, realizing the rubbing and tensioning effect of the leveling mechanism, which can not only push the woven packaging bag to the coating mechanism at a uniform speed, but also perform a leveling effect to avoid uneven coating at the folds, thereby improving product quality and processing speed.

[0014] 2. This woven packaging bag coating device can achieve a uniform spraying effect on the surface of the woven packaging bag through the coating liquid nozzle of the coating mechanism, and can scrape off some areas where the coating is over-sprayed through the scraper. The scraped-off coating liquid can be collected and reused through the residual liquid collection tank, avoiding waste of coating liquid, improving the economy of the device, and also reflecting the energy-saving and environmental protection effects. The coated woven packaging bag can be quickly dried through the drying box, avoiding uneven condensation of the coating liquid, and improving the working efficiency and processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side view structural schematic diagram of the utility model;

[0017] Figure 3 It is a partial structural schematic diagram of the coating mechanism of the utility model;

[0018] Figure 4 It is an enlarged schematic diagram of the coating liquid spray head of the utility model.

[0019] In the figure: 100, workbench; 101, control box; 102, first fixed plate; 103, second fixed plate; 104, third fixed plate; 105, fourth fixed plate; 106, safety railing; 107, outrigger; 108, brakeable universal wheel; 200, first motor; 201, linkage box; 202, first rotating rod; 203, second rotating rod; 204, first leveling roller; 205, second leveling roller; 300, coating liquid cylinder; 301, adjusting button; 302, connecting pipe; 303, sealing ring; 304, liquid outlet pipe; 305, coating liquid nozzle; 306, liquid spray hole; 307, scraper; 308, residual liquid collecting tank; 309, pull handle; 310, drainage joint pipe; 311, drying box; 312, control keyboard; 400, second motor; 401, rotating shaft; 402, limit plate; 403, take-up drum. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0022] A woven packaging bag coating device, comprising a main body mechanism, a flattening mechanism, a coating mechanism, and a winding mechanism, wherein the flattening mechanism is located inside the main body mechanism and at its top, the coating mechanism is located on one side of the flattening mechanism, and the winding mechanism is located on one side of the coating mechanism. The main body mechanism comprises a workbench 100, a control box 101, a first fixed plate 102, a second fixed plate 103, a third fixed plate 104, a fourth fixed plate 105, a safety railing 106, a leg 107, and a brakeable universal wheel 108, wherein the control box 101 is fixedly installed on one side of the workbench 100, and the first fixed plate 103 is fixed on one side of the workbench 104. The plate 102, the second fixed plate 103, the third fixed plate 104, and the fourth fixed plate 105 are fixedly installed on the top of the workbench 100, the safety railing 106 is fixedly installed on the top of the workbench 100, and the bottom of the workbench 100 is fixedly provided with a support leg 107, and the bottom of the support leg 107 is fixedly installed with a brakeable universal wheel 108. The leveling mechanism includes a first motor 200, a linkage box 201, a first rotating rod 202, a second rotating rod 203, a first leveling roller 204, and a second leveling roller 205. The first motor 200 is fixedly installed on one side of the linkage box 201.

[0023] In this embodiment, preferably, one end of the first rotating rod 202 passes through the first leveling roller 204 and is movably installed on one side of the workbench 100, the other end of the first rotating rod 202 is fixedly connected to the first motor 200, one end of the second rotating rod 203 passes through the second leveling roller 205 and is movably arranged on one side of the first fixed plate 102, and the other end of the second rotating rod 203 is movably installed on one side of the linkage box 201.

[0024] In this embodiment, preferably, the coating mechanism includes a coating liquid cylinder 300, an adjusting button 301, a connecting pipe 302, a sealing ring 303, a liquid outlet pipe 304, a coating liquid nozzle 305, a spray hole 306, a scraper 307, a residual liquid collection tank 308, a handle 309, a drainage joint pipe 310, a drying box 311, and a control keyboard 312, and the coating liquid cylinder 300 is fixedly arranged on the top of the workbench 100.

[0025] In this embodiment, preferably, an adjusting button 301 is fixedly installed on the top of the coating liquid cylinder 300, one end of the connecting tube 302 is fixedly installed on one side of the second fixed plate 103, the other end of the connecting tube 302 is fixedly connected to the bottom end of the coating liquid cylinder 300, a sealing ring 303 is fixedly installed on the bottom end of the connecting tube 302, a liquid outlet pipe 304 is fixedly installed on the bottom end of the sealing ring 303, and a coating liquid nozzle 305 is fixedly provided on the bottom end of the liquid outlet pipe 304.

[0026] In this embodiment, preferably, a plurality of spray holes 306 are opened at the bottom end of the coating liquid nozzle 305, the scraper 307 is fixedly arranged on one side of the connecting pipe 302, the residual liquid collecting tank 308 is fixedly arranged at the bottom end of the scraper 307, a pull handle 309 and a drainage joint pipe 310 are fixedly arranged on the outside of the residual liquid collecting tank 308, the drying box 311 is fixedly installed on one side of the coating liquid cylinder 300, and a control keyboard 312 is fixedly installed on the outside of the drying box 311.

[0027] In this embodiment, preferably, the winding mechanism includes a second motor 400, a rotating shaft 401, a limit plate 402, and a winding drum 403. The second motor 400 is fixedly installed on one side of the workbench 100, one end of the rotating shaft 401 is fixedly connected to the second motor 400, and the other end of the rotating shaft 401 passes through the winding drum 403 and the limit plate 402 and is movably installed on one side of the fourth fixed plate 105.

[0028] When a woven packaging bag coating device of the present embodiment is used, the device is first moved to the desired work location through the brakeable universal wheel 108 of the main body mechanism, and then the woven packaging bag is passed through the gap between the first leveling roller 204 and the second leveling roller 205 to one side of the coating mechanism, and the first motor 200, the second motor 400 and the drying box 311 are started through the control box 101 and the control keyboard 312, and the adjustment button 301 at the top of the coating liquid cylinder 300 is adjusted to a suitable spraying speed. The first motor 200 drives the first leveling roller 204 to rotate, thereby driving the second leveling roller 205 on one side of the linkage box 201 to rotate synchronously in the opposite direction, realizing the rubbing and tensioning effect of the leveling mechanism, which can not only push the woven packaging bag to the coating mechanism at a uniform speed, but also perform a leveling effect to avoid uneven coating at the folds, thereby improving product quality and processing speed. The coating liquid nozzle 305 of the coating mechanism makes the surface of the woven packaging bag evenly sprayed, and the scraper 307 can scrape off the excessively sprayed parts, and the scraped coating liquid can be collected and reused by the residual liquid collection tank 308, thereby avoiding the waste of coating liquid, improving the economy of the device, and also reflecting the energy-saving and environmental protection effect. The drying box 311 can achieve the effect of rapid drying of the coated woven packaging bag, avoiding uneven condensation of the coating liquid, and improving the working efficiency and product quality.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A woven packaging bag coating device, comprising a main body mechanism, a flattening mechanism, a coating mechanism, and a winding mechanism, characterized in that: The flattening mechanism is located inside the main mechanism and at its top end, the coating mechanism is located on one side of the flattening mechanism, and the winding mechanism is located on one side of the coating mechanism. The main mechanism comprises a workbench (100), a control box (101), a first fixed plate (102), a second fixed plate (103), a third fixed plate (104), a fourth fixed plate (105), a safety railing (106), a leg (107), and a brakeable universal wheel (108). The control box (101) is fixedly installed on one side of the workbench (100), and the first fixed plate (102), the second fixed plate (103), the third fixed plate (104), the fourth fixed plate (105), a safety railing (106), a leg (107), and a brakeable universal wheel (108). 04), the fourth fixed plate (105) is fixedly installed on the top of the workbench (100), the safety railing (106) is fixedly installed on the top of the workbench (100), the bottom of the workbench (100) is fixedly provided with a support leg (107), the bottom of the support leg (107) is fixedly installed with a brakeable universal wheel (108), the leveling mechanism includes a first motor (200), a linkage box (201), a first rotating rod (202), a second rotating rod (203), a first leveling roller (204), and a second leveling roller (205), and the first motor (200) is fixedly installed on one side of the linkage box (201).

2. A woven packaging bag coating device according to claim 1, characterized in that: One end of the first rotating rod (202) passes through the first leveling roller (204) and is movably mounted on one side of the workbench (100); the other end of the first rotating rod (202) is fixedly connected to the first motor (200); one end of the second rotating rod (203) passes through the second leveling roller (205) and is movably mounted on one side of the first fixed plate (102); the other end of the second rotating rod (203) is movably mounted on one side of the linkage box (201).

3. A woven packaging bag coating device according to claim 1, characterized in that: The coating mechanism comprises a coating liquid cylinder (300), an adjusting button (301), a connecting pipe (302), a sealing ring (303), a liquid outlet pipe (304), a coating liquid nozzle (305), a liquid spray hole (306), a scraper (307), a residual liquid collection tank (308), a handle (309), a liquid discharge joint pipe (310), a drying box (311), and a control keyboard (312). The coating liquid cylinder (300) is fixedly arranged on the top of the workbench (100).

4. A woven packaging bag coating device according to claim 3, characterized in that: The top of the coating liquid cylinder (300) is fixedly mounted with an adjusting button (301); one end of the connecting tube (302) is fixedly mounted on one side of the second fixed plate (103); the other end of the connecting tube (302) is fixedly connected to the bottom of the coating liquid cylinder (300); a sealing ring (303) is fixedly mounted on the bottom of the connecting tube (302); a liquid outlet pipe (304) is fixedly mounted on the bottom of the sealing ring (303); and a coating liquid nozzle (305) is fixedly arranged on the bottom of the liquid outlet pipe (304).

5. A woven packaging bag coating device according to claim 4, characterized in that: A plurality of spray holes (306) are provided at the bottom end of the coating liquid spray head (305); the scraper (307) is fixedly arranged on one side of the connecting pipe (302); the residual liquid collecting tank (308) is fixedly arranged on the bottom end of the scraper (307); a pull handle (309) and a liquid discharge joint pipe (310) are fixedly arranged on the outside of the residual liquid collecting tank (308); the drying box (311) is fixedly installed on one side of the coating liquid cylinder (300); and a control keyboard (312) is fixedly installed on the outside of the drying box (311).

6. A woven packaging bag coating device according to claim 1, characterized in that: The winding mechanism comprises a second motor (400), a rotating shaft (401), a limiting plate (402), and a winding drum (403); the second motor (400) is fixedly mounted on one side of the workbench (100); one end of the rotating shaft (401) is fixedly connected to the second motor (400); the other end of the rotating shaft (401) passes through the winding drum (403) and the limiting plate (402) and is movably mounted on one side of the fourth fixed plate (105).

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