Antibacterial pe film production equipment and preparation method thereof

Abstract

The application discloses an antibacterial PE film production equipment, comprising a forming device, a coating device, a laminating device and a winding device connected in sequence, wherein the coating device comprises a base, an outer sleeve, a heat insulation sleeve, a spraying roller and a storage barrel; the base is provided with a fixing plate and a mounting plate; the outer sleeve is detachably connected with the fixing plate and the mounting plate at both ends; the heat insulation sleeve is embedded in the outer sleeve; the heat insulation sleeve and the outer sleeve are provided with a drying channel; the sidewall of the outer sleeve is provided with an opening; the heat insulation sleeve is provided with an inlet and an outlet within the range of the opening; the heat insulation sleeve is provided with a plurality of spraying rollers; the two ends of the spraying roller are rotatably connected with the sidewall of the outer sleeve; the spraying roller is provided with a spraying channel inside; the outer surface of the spraying roller is provided with a plurality of air outlets; the storage barrel is used for storing an antibacterial agent; and the storage barrel is provided with a heater and a power pump. The application has the advantages of simple structure, reduced equipment cost, improved production efficiency, improved flatness of the antibacterial film and improved film production quality.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of film production, in particular to an antibacterial PE film production equipment and a preparation method thereof. BACKGROUND

[0002] PE film is a kind of semi-transparent, soft film, which has good chemical stability, temperature resistance, heat sealing and moisture resistance, and is widely used in food, medicine packaging materials. But in daily life and work, there are a large number of bacteria and fungi, which are easy to adhere to the PE film during use, which poses a certain threat to human health. With the development of science and technology, people's requirements for PE film are gradually improved, and gradually appeared on the market antibacterial PE film, the existing antibacterial PE film is mainly to spray antibacterial agent on the surface of antibacterial layer, and then dry. Finally, the antibacterial layer is attached to the film base layer, and the wrinkle treatment is carried out, but this method needs to use more production devices, the cost is high, and the land area of the device is greatly increased.

[0003] Therefore, the present application is produced in view of the above problems. SUMMARY

[0004] One purpose of the present application is to provide an antibacterial PE film production equipment, which has simple structure, reduces equipment cost, improves production efficiency, and improves the flatness of the antibacterial film and the production quality of the film.

[0005] The second purpose of the present application is to provide a preparation method, which can improve the production efficiency of PE film and reduce the production cost.

[0006] In order to achieve the above purpose, the solution of the present application is:

[0007] An antibacterial PE film production equipment, comprising a forming device, a coating device, a laminating device and a winding device connected in sequence, the coating device comprises a base, an outer sleeve, a heat insulation sleeve, a spray roller and a storage barrel, the base is provided with a fixed plate and a mounting plate, the two ends of the outer sleeve are detachably connected with the fixed plate and the mounting plate, the heat insulation sleeve is embedded in the outer sleeve, and the heat insulation sleeve and the heat insulation sleeve are connected with the drying channel, the side wall of the outer sleeve is provided with an opening, the heat insulation sleeve is provided with an inlet and an outlet within the range of the opening, a plurality of spray rollers are arranged in the heat insulation sleeve, and the two ends of the spray roller are rotatably connected with the side wall of the outer sleeve, the inside of the spray roller is provided with a spray channel, and the outer surface of the spray roller is provided with a plurality of gas outlets, the storage barrel is used for storing antibacterial agent, the discharge end of the storage barrel is connected with the spray channel of each spray roller through a hose, and the storage barrel is provided with a heater and a power pump.

[0008] Further, the spray channel gradually increases in diameter along the axial direction from the end close to the hose to the end away from the hose.

[0009] Further, the lower end of the mounting plate is fixedly connected with a guide sliding block, the inside of the base is slidably connected with a guide sliding block, the inside of the base is fixedly connected with a fixed rod, the fixed rod is slidably sleeved with the guide sliding block, and the fixed plate and the mounting plate are both provided with a dismounting mechanism.

[0010] Further, the dismounting mechanism comprises a push rod, a connecting rod, a limiting block and a first spring, the sidewall of the fixed plate and the mounting plate is provided with a guide sliding hole, the two ends of the connecting rod are respectively connected with the push rod and the limiting block, the outer sidewall of the outer cylinder sleeve is provided with a limiting groove, the upper end of the limiting groove is provided with a positioning hole, the limiting block is slidably connected in the limiting groove, the upper end of the limiting block is provided with a positioning boss embedded in the positioning hole, and the upper and lower ends of the spring are respectively connected with the limiting block.

[0011] Further, the base is fixedly connected with a support, the support is in contact with a ultraviolet lamp, the ultraviolet lamp is fixedly connected with a positioning block, the inside of the support is slidably connected with the positioning block, and the support is provided with a fixing mechanism. The fixing mechanism comprises a threaded rod, a first bevel gear, a knob, a second bevel gear, a connecting plate and a clamping rod, the inside of the support is connected with the threaded rod through a bearing, the threaded rod is fixedly connected with the first bevel gear, the inside of the support is rotatably connected with the knob, the knob is fixedly connected with the second bevel gear, the first bevel gear is meshed with the second bevel gear, the inside of the support is slidably connected with the connecting plate, the connecting plate is fixedly connected with the clamping rod, the inside of the support is slidably connected with the clamping rod, and the inside of the positioning block is slidably connected with the clamping rod.

[0012] Further, the winding device comprises a rack, a winding roller, an upper pressing roller, a lower pressing roller, an upper front pressing roller and a lower front pressing roller and an adjusting frame, the winding roller, the upper pressing roller and the lower pressing roller are rotatably connected with the rack, the upper pressing roller and the lower pressing roller are correspondingly arranged in a vertical mode, the adjusting frame is swingably connected with the rack, and the upper front pressing roller and the lower front pressing roller are rotatably arranged at the front end of the adjusting frame.

[0013] Further, the adjusting frame comprises a connecting frame, an upper adjusting rod, a lower adjusting rod, a fixed rotating shaft and a guide rod, the connecting frame comprises an upper inclined rod and a lower inclined rod, the rear ends of the upper inclined rod and the lower inclined rod are connected with each other, the front end of the upper inclined rod is fixedly connected with the fixed rotating shaft, the rear end of the upper adjusting rod is sleeved on the fixed rotating shaft, the side of the fixed rotating shaft is rotatably connected with the rack, the guide rod is fixedly connected at the front end of the lower inclined rod, and the rear end of the lower adjusting rod is sleeved on the guide rod.

[0014] Further, a torsional spring is sleeved on the fixed rotating shaft, one end of the torsional spring is connected with the rack sidewall and the other end is connected with the upper inclined rod.

[0015] Further, the fixed rotating shaft and the guide rod are sequentially provided with a limiting boss, a spline section and a threaded section along the axial direction, the upper adjusting rod and the lower adjusting rod are provided with a spline hole, and the threaded section is provided with a locking nut.

[0016] A preparation method of an antibacterial PE film production equipment, comprising the following steps:

[0017] Step (1): weighing raw materials;

[0018] Step (2): using a forming device to form a film base layer and an antibacterial layer respectively;

[0019] Step (3): sending the antibacterial layer into a coating device, and the coating device sprays the antibacterial agent to the surface of the antibacterial layer;

[0020] Step (4): the coating device dries the antibacterial layer;

[0021] Step (5): conveying the coated antibacterial layer to a laminating device to make the antibacterial layer and the film base layer laminated;

[0022] Step (6): conveying the laminated antibacterial film to a winding device to perform primary pressing and secondary pressing on the antibacterial film;

[0023] Step (7): winding the pressed antibacterial film by the winding device.

[0024] Step (8): disassembling and storing the formed antibacterial film.

[0025] Compared with the prior art, the beneficial effects are that:

[0026] In the coating device, the antibacterial agent can be heated and atomized, and is conveyed into the spraying roller through the power pump, so that the antibacterial agent is attached to the surface of the antibacterial layer through the air outlet, and the antibacterial agent at high temperature diffuses in the heat insulation cylinder sleeve, so that the temperature of the heat insulation cylinder sleeve is increased, and then the antibacterial layer is conveyed along the drying channel, and the surface of the antibacterial layer is dried and ironed, so that the antibacterial effect of the antibacterial layer can be improved, the antibacterial layer can be effectively dried by using heat energy, the flatness of the antibacterial layer is improved, and the product quality is further improved.

[0027] The coating device can perform coating process and drying process, has simple structure, rich functions, can effectively reduce the cost and floor area of the equipment, has high heat energy recycling rate, and has the effects of energy saving and environmental protection.

[0028] The winding device has a pressing function and a winding function, the upper front pressing roller and the lower front pressing roller can preliminarily press the adhered film, when the antibacterial layer has bubbles or protrusions, the adjusting frame can be self-adaptively swung upward, so that the upper front pressing roller and the lower front pressing roller can better adhere to the film, then the film is secondarily pressed by the upper pressing roller and the lower pressing roller, the flatness of the film is further improved, and the product quality of the film is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is an external structure perspective view of the coating device.

[0030] Figure 2 It is a cross-sectional structure schematic view of the coating device.

[0031] Figure 3 It is Figure 2 It is a local enlarged view of the A area in the middle.

[0032] Figure 4 It is Figure 2 It is a local enlarged view of the B area in the middle.

[0033] Figure 5 It is a cross-sectional schematic view of the internal structure of the outer sleeve.

[0034] Figure 6 It is a cross-sectional structure schematic view of the spraying roller.

[0035] Figure 7 It is a side cover structure schematic view of the outer sleeve.

[0036] Figure 8 It is an external structure perspective view of the winding device.

[0037] Figure 9 It is a cross-sectional structure schematic view of the winding device.

[0038] Figure 10 It is Figure 8 It is a local enlarged view of the C area in the middle.

[0039] Figure 11 It is an installation structure schematic view of the upper adjusting rod.

[0040] In the figure:

[0041] Base 1, fixed plate 11, mounting plate 12, guide sliding block 121, fixed rod 13,

[0042] Push rod 14, connecting rod 15, limiting block 16, positioning boss 161, first spring 17,

[0043] Outer sleeve 21, limiting groove 211, positioning hole 212, heat insulation sleeve 22, film inlet 221,

[0044] Film outlet 222, drying channel 23, spray roller 3, spray channel 31, air inlet hole 32,

[0045] Air outlet hole 33, bracket 4, ultraviolet lamp 41, positioning block 411, threaded rod 42,

[0046] First bevel gear 43, knob 44, second bevel gear 45, connecting plate 46, clamping rod 47,

[0047] Frame 5, winding roller 51, arc-shaped guide groove 511, upper press roller 52, lower press roller 53,

[0048] Upper front press roller 54, lower front press roller 55, adjusting frame 6, upper adjusting rod 61,

[0049] Lower adjusting rod 62, fixed rotating shaft 63, torsional spring 631, limiting boss 632,

[0050] Spline segment 633, threaded segment 634, locking nut 635, guide rod 64,

[0051] Upper inclined rod 65, lower inclined rod 66, adjusting block 7, adjusting groove 71,

[0052] Adjusting sliding block 72, second spring 73, adjusting shaft 74, storage barrel 8, heater 81,

[0053] Power pump 82, hose 83. DETAILED DESCRIPTION

[0054] In order to further explain the technical scheme of the present application, the present application will be described in detail below through specific embodiments.

[0055] As Figures 1-11 shown, an antibacterial PE film production equipment includes a connected forming device, a coating device, a laminating device and a winding device, the forming device can adopt a flow casting machine commonly used in the market, the forming device respectively forms a film base layer and an antibacterial layer, the antibacterial layer is conveyed to the coating device to spray antibacterial agent, the discharge end of the coating device is connected with the feeding end of the laminating device, the antibacterial layer after spraying is sent to the laminating device to be laminated with the film base layer, the laminating device can also adopt a film pressing device commonly used in the market, the discharge end of the laminating device is connected with the feeding end of the winding device, the laminated antibacterial film is sent to the winding device to be pressed and wound.

[0056] In the embodiment, the coating device comprises a base 1, an outer sleeve 21, a heat insulation sleeve 22, a spraying roller 3 and a storage barrel 8. The base 1 is provided with a fixed plate 11 and a mounting plate 12. The two ends of the outer sleeve 21 are detachably connected with the fixed plate 11 and the mounting plate 12. The heat insulation sleeve 22 is embedded in the outer sleeve 21. The heat insulation sleeve 22 and the heat insulation sleeve have a drying channel 23. The side wall of the outer sleeve 21 is provided with an opening which is communicated with the drying channel 23. The heat insulation sleeve 22 is provided with a film inlet 221 and a film outlet 222 within the range of the opening. The outer ends of the film inlet 221 and the film outlet 222 are provided with guide rollers which can guide the antibacterial layer and prevent the antibacterial layer from rubbing against the film inlet 221 and the film outlet 222. The film inlet 221 is arranged above the film outlet 222, which can increase the contact area of the antibacterial layer and further improve the heat recovery efficiency. The heat insulation sleeve 22 is provided with a plurality of spraying rollers 3. Specifically, three spraying rollers 3 can be arranged. The antibacterial layer is wound around the spraying rollers 3, which can ensure that the front surface and the back surface of the antibacterial layer are closely attached to the surface of the spraying roller 3. In this way, the antibacterial agent can be more directly attached to the surface of the antibacterial layer, which can improve the spraying effect and the spraying efficiency. The two ends of the spraying roller 3 are rotatably connected with the side wall of the outer sleeve 21 through bearings. The spraying roller 3 is provided with a spraying channel 31 in the inside. The spraying channel 31 is provided with an air inlet hole 32 at the rotating shaft part of the spraying roller 3. The side wall of the outer sleeve 21 is also provided with a through hole, which facilitates the communication between the hose 83 and the air inlet hole 32. The outer circumferential surface of the spraying roller 3 is provided with a plurality of air outlet holes 33. The storage barrel 8 is used for storing the antibacterial agent. The discharge end of the storage barrel 8 is connected with the spraying channel 31 of each spraying roller 3 through the hose 83. The storage barrel 8 is provided with a heater 81 and a power pump 82.

[0057] After the above structure is adopted, the formed antibacterial layer first enters the heat insulation sleeve 22 from the film inlet 221 and is wound around each spraying roller 3 in turn. Then the antibacterial layer is stretched out of the film outlet 222 and enters the drying channel 23. The antibacterial layer extends along the drying channel 23 and finally stretches out of the opening, so that the surface of the antibacterial layer is attached to the outer surface of the heat insulation sleeve 22. During production, the antibacterial agent is delivered into the spraying roller 3 by the power pump 82, so that the antibacterial agent is attached to the surface of the antibacterial layer through the air outlet holes 33. At the same time, the high-temperature antibacterial agent diffuses in the heat insulation sleeve 22, so that the temperature of the heat insulation sleeve 22 increases. Then the antibacterial layer is delivered along the drying channel 23, so that the surface of the antibacterial layer is dried and ironed. In this way, not only the antibacterial effect of the antibacterial layer can be improved, but also the heat energy can be effectively utilized to dry the antibacterial layer, which can improve the flatness of the antibacterial layer and further improve the product quality.

[0058] More preferably, the spray channel 31 gradually increases in diameter along the axial direction from the end close to the hose 83 to the end away from the hose 83. After adopting the above structure, the spray channel 31 presents a conical-shaped horn shape, so that the antibacterial agent mist body can be sprayed more quickly after entering the spray channel 31, the antibacterial agent mist body inside the spray roller 3 is more full, the surface of the spray roller 3 is more uniform, the antibacterial agent mist body can be better distributed on the surface of the antibacterial layer, and the spraying effect is further improved. And the lower end of the outer cylinder sleeve 21 is provided with a drain hole for draining the liquefied antibacterial agent.

[0059] Preferably, the spray roller 3 needs to be cleaned in time after long-term use. In order to facilitate the disassembly and assembly of the spray roller 3, the lower end of the mounting plate 12 is fixedly connected with a guide sliding block 121, the inside of the base 1 is slidingly connected with the guide sliding block 121, the inside of the base 1 is fixedly connected with a fixed rod 13, the fixed rod 13 is slidingly sleeved with the guide sliding block 121, and the fixed plate 11 and the mounting plate 12 are both provided with a disassembly mechanism. After adopting the above structure, when disassembling, the disassembly mechanism is disassembled, then the mounting plate 12 is slid outward along the fixed rod 13, the fixed plate 11 and the mounting plate 12 are disassembled and separated from the outer cylinder sleeve 21, the outer cylinder sleeve is more convenient to disassemble, which is convenient for cleaning the inside of the outer cylinder sleeve and also helps to replace the spray roller 3 component.

[0060] In the embodiment, the disassembly mechanism includes a push rod 14, a connecting rod 15, a limiting block 16 and a first spring 17, the side wall of the fixed plate 11 and the mounting plate 12 is provided with a guide sliding hole, the two ends of the connecting rod 15 are respectively connected with the push rod 14 and the limiting block 16, the outer side wall of the outer cylinder sleeve 21 is provided with a limiting groove 211, the upper end of the limiting groove 211 is provided with a positioning hole 212, the limiting block 16 is slidingly connected in the limiting groove 211, the upper end of the limiting block 16 is provided with a positioning boss 161 embedded in the positioning hole 212, and the upper and lower ends of the first spring 17 are respectively connected with the limiting block 16. After adopting the above structure, the two push rods 14 are pushed to move close to each other, the push rod 14 drives the connecting rod 15 to move, drives the limiting block 16 to move close to each other and extrude the first spring 17, the positioning boss 161 is separated from the positioning hole 212 and slides out, then the mounting plate 12 is pulled outward, so that the mounting plate 12 is disassembled and separated from the outer cylinder sleeve. The outer cylinder sleeve is more convenient to disassemble.

[0061] Preferably, the base 1 is fixedly connected with a support 4, the support 4 is in contact with a ultraviolet lamp 41, the ultraviolet lamp 41 is fixedly connected with a positioning block 411, the inside of the support 4 is slidably connected with the positioning block 411, and the support 4 is provided with a fixing mechanism. The fixing mechanism comprises a threaded rod 42, a first bevel gear 43, a knob 44, a second bevel gear 45, a connecting plate 46 and a clamping rod 47, the inside of the support 4 is connected with the threaded rod 42 through a bearing, the threaded rod 42 is fixedly connected with the first bevel gear 43, the inside of the support 4 is rotatably connected with the knob 44, the knob 44 is fixedly connected with the second bevel gear 45, the first bevel gear 43 is engaged with the second bevel gear 45, the inside of the support 4 is slidably connected with the connecting plate 46, the connecting plate 46 is fixedly connected with the clamping rod 47, the inside of the support 4 is slidably connected with the clamping rod 47, and the inside of the positioning block 411 is slidably connected with the clamping rod 47. The ultraviolet lamp 41 can be used for secondary sterilization of the antibacterial layer during processing of the antibacterial layer, the threaded rod 42 is made to threadedly move with the connecting plate 46, the connecting plate 46 is made to slide on the threaded rod 42, the connecting plate 46 is made to drive the clamping rod 47 to slide out of the positioning block 411 on the ultraviolet lamp 41, the ultraviolet lamp 41 is released from the limiting, and the ultraviolet lamp 41 can be disassembled. The producer can replace different models and strengths of ultraviolet lamps 41 according to needs, the applicability is stronger, and the disassembly is more convenient.

[0062] In the embodiment, the winding device comprises a frame 5, a winding roller 51, an upper pressing roller 52, a lower pressing roller 53, an upper front pressing roller 54 and a lower front pressing roller 55, and an adjusting frame 6, the winding roller 51, the upper pressing roller 52 and the lower pressing roller 53 are rotationally connected with the frame 5, the upper pressing roller 52 and the lower pressing roller 53 are arranged correspondingly in up-down mode, the adjusting frame 6 is swingably connected with the frame 5, and the upper front pressing roller 54 and the lower front pressing roller 55 are rotationally arranged at the front end of the adjusting frame 6. The adjusting frame 6 comprises a connecting frame, an upper adjusting rod 61, a lower adjusting rod 62, a fixed rotating shaft 63 and a guide rod 64, the connecting frame comprises an upper inclined rod 65 and a lower inclined rod 66, the rear ends of the upper inclined rod 65 and the lower inclined rod 66 are connected with each other, the front end of the upper inclined rod 65 is fixedly connected with the fixed rotating shaft 63, the rear end of the upper adjusting rod 61 is sleeved on the fixed rotating shaft 63, the side of the fixed rotating shaft 63 is rotationally connected with the frame 5, the front end of the guide rod 64 is fixedly connected with the lower inclined rod 66, and the rear end of the lower adjusting rod 62 is sleeved on the guide rod 64. An arc-shaped guide groove 511 is arranged on the side wall of the frame 5, and the outer end of the guide rod 64 is slidably connected in the arc-shaped guide groove 511. After the above structure is adopted, the adjusting frame 6 can swing on the frame 5, the antibacterial layer of the antibacterial film is sent into the winding device with the antibacterial layer upward, if the antibacterial layer and the film base layer are not closely attached and a protrusion is generated, when the protrusion passes through the upper front pressing roller 54 and the lower front pressing roller 55, the protrusion part is in contact with the upper front pressing roller 54, the front end of the upper adjusting rod 61 is moved upward, the upper adjusting rod 61 drives the connecting frame to swing and drives the front end of the lower adjusting rod 62 to swing upward, so that the feeding direction of the upper front pressing roller 54 and the lower front pressing roller 55 can be adjusted, the distance between the upper front pressing roller 54 and the lower front pressing roller 55 is kept, the upper front pressing roller 54 and the lower front pressing roller 55 can be kept in close contact with the film at all times, and the protrusion part of the antibacterial layer is kept flat. Then the antibacterial film is secondarily pressed through the upper pressing roller 52 and the lower pressing roller 53, and is wound through the winding roller 51. The guide rod 64 can slide along the arc-shaped guide groove 511, the swinging of the adjusting frame 6 is guided, and the swinging of the adjusting frame 6 is more stable.

[0063] Preferably, a torsional spring 631 is sleeved on the fixed rotating shaft 63, one end of the torsional spring 631 is connected with the side wall of the frame 5 and the other end is connected with the upper inclined rod 65. After the above structure is adopted, when the adjusting frame 6 swings upward, the torsional spring 631 is rotated, after the protrusion part of the antibacterial film passes through the upper front pressing roller 54 and the lower front pressing roller 55, the surface tension of the antibacterial film is changed, and the adjusting frame 6 is swung and restored under the elastic force of the torsional spring 631.

[0064] Preferably, the fixed rotating shaft 63 and the guide rod 64 are sequentially provided with a limiting boss 632, a spline segment 633 and a threaded segment 634 in the axial direction, the upper adjusting rod 61 and the lower adjusting rod 62 are provided with spline holes, and the threaded segment 634 is provided with a locking nut 635. After the above structure is adopted, the upper adjusting rod 61 and the lower adjusting rod 62 are respectively sleeved into the spline segment 633 of the fixed rotating shaft 63 and the guide rod 64, and then the upper adjusting rod 61 and the lower adjusting rod 62 are locked and fixed on the limiting boss 632 through the locking nut 635. Moreover, the spline segment 633 can adjust the installation angle of the upper adjusting rod 61 and the lower adjusting rod 62, so as to adjust the relative position of the upper front pressing roller 54 and the lower front pressing roller 55, and make the upper front pressing roller 54 and the lower front pressing roller 55 applicable to antibacterial films of different thickness sizes, so that the use range is wider, and the disassembly, adjustment and assembly are more convenient.

[0065] In the embodiment, the upper adjusting rod 61 is further provided with an adjusting block 7, the side wall of the adjusting block 7 is provided with an adjusting groove 71, the adjusting groove 71 is provided with a slidingly connected adjusting sliding block 72, the adjusting sliding block 72 is provided with a rotationally connected adjusting shaft 74, the adjusting shaft 74 is correspondingly arranged above and below, and the upper end of the adjusting sliding block 72 is connected with the adjusting groove 71 through a second spring 73. After the above structure is adopted, the antibacterial film passes between the adjusting shafts 74, and under the elastic force of the second spring 73, the adjusting sliding block 72 and the adjusting shaft 74 are pulled to move upward, so that the adjusting sliding block 72 can be kept above the adjusting groove 71. When the adjusting frame 6 swings upward, the adjusting sliding block 72 can be self-adaptively adjusted under the elastic force of the second spring 73, so that the antibacterial layer can be kept to be tightly attached to the upper front pressing roller 54 upward. The convex part of the antibacterial layer can be better attached to the upper front pressing roller 54. The flatness of the pressing is further improved. The side wall of the adjusting groove 71 is provided with an adjusting sliding groove, and the side wall of the adjusting sliding block 72 is provided with an adjusting guide block which is slidingly connected into the adjusting sliding groove. The adjusting sliding block 72 can slide more stably through the connection of the adjusting guide block and the adjusting sliding groove.

[0066] A preparation method based on the above antibacterial PE film production equipment, comprising the following steps:

[0067] Step (1): weighing raw materials;

[0068] Step (2): using a forming device to respectively form a film base layer and an antibacterial layer;

[0069] Step (3): sending the antibacterial layer into a coating device, and spraying an antibacterial agent to the surface of the antibacterial layer by the coating device;

[0070] Step (4): drying the antibacterial layer by the coating device;

[0071] Step (5): conveying the coated antibacterial layer to a laminating device to laminate the antibacterial layer and the film base layer to form an antibacterial film;

[0072] Step (6): the antibacterial film after the fitting is transported to a winding device, and the winding device performs primary pressing and secondary pressing on the antibacterial film;

[0073] Step (7): the winding device winds the pressed antibacterial film.

[0074] Step (8): the formed antibacterial film is disassembled and transported and stored.

[0075] After the above method, the method can improve the production efficiency of the PE film and reduce the production cost. At the same time, the antibacterial film pressing is more flat, and the production quality of the film is further improved.

[0076] The above examples and drawings are not limited to the product shape and style of the present application, and any appropriate changes or modifications made by any ordinary skilled person in the art shall be considered as not departing from the patent scope of the present application.

Claims

1. An antibacterial PE film production apparatus, characterized by, The application relates to a coating device for a coating machine, and relates to a coating device for a coating machine.

2. The apparatus for producing an antibacterial PE film according to claim 1, wherein The spray channel gradually increases in diameter along the axial direction from the end close to the hose to the end away from the hose.

3. The apparatus for producing an antibacterial PE film according to claim 1, wherein The lower end of the mounting plate is fixedly connected with a guide sliding block, the inside of the base is slidably connected with a guide sliding block, the inside of the base is fixedly connected with a fixed rod, the fixed rod is slidably sleeved with the guide sliding block, and the fixed plate and the mounting plate are both provided with a dismounting mechanism.

4. The apparatus for producing an antibacterial PE film according to claim 3, wherein The dismounting mechanism comprises a push rod, a connecting rod, a limiting block and a first spring, the side wall of the fixed plate and the mounting plate is provided with a guide sliding hole, the two ends of the connecting rod are respectively connected with the push rod and the limiting block, the outer side wall of the outer cylinder sleeve is provided with a limiting groove, the upper end of the limiting groove is provided with a positioning hole, the limiting block is slidably connected in the limiting groove, the upper end of the limiting block is provided with a positioning convex post embedded in the positioning hole, and the upper and lower ends of the spring are respectively connected with the limiting block.

5. The apparatus for producing an antibacterial PE film according to claim 1, wherein The base is fixedly connected with a support, the support is in contact with an ultraviolet lamp, the ultraviolet lamp is fixedly connected with a positioning block, the inside of the support is slidably connected with the positioning block, the support is provided with a fixing mechanism, the fixing mechanism comprises a threaded rod, a first bevel gear, a knob, a second bevel gear, a connecting plate and a clamping rod, the inside of the support is connected with the threaded rod through a bearing, the threaded rod is fixedly connected with the first bevel gear, the inside of the support is rotatably connected with the knob, the knob is fixedly connected with the second bevel gear, the first bevel gear is engaged with the second bevel gear, the inside of the support is slidably connected with the connecting plate, the connecting plate is fixedly connected with the clamping rod, the inside of the support is slidably connected with the clamping rod, and the inside of the positioning block is slidably connected with the clamping rod.

6. The apparatus for producing an antibacterial PE film according to claim 1, wherein The winding device comprises a rack, winding rollers, upper and lower pressure rollers, upper and lower front pressure rollers and an adjusting frame, the winding rollers, the upper and lower pressure rollers are rotatably connected with the rack, the upper and lower pressure rollers are correspondingly arranged in a vertical mode, the adjusting frame is swingably connected with the rack, and the upper and lower front pressure rollers are rotatably arranged at the front end of the adjusting frame.

7. The apparatus for producing an antibacterial PE film according to claim 6, wherein The adjusting frame comprises a connecting frame, an upper adjusting rod, a lower adjusting rod, a fixed rotating shaft and a guide rod, the connecting frame comprises an upper inclined rod and a lower inclined rod, rear ends of the upper inclined rod and the lower inclined rod are connected to each other, a front end of the upper inclined rod is fixedly connected with the fixed rotating shaft, a rear end of the upper adjusting rod is sleeved on the fixed rotating shaft, side edges of the fixed rotating shaft are rotationally connected with the frame, the guide rod is fixedly connected with a front end of the lower inclined rod, a rear end of the lower adjusting rod is sleeved on the guide rod, an arc-shaped guide groove is arranged on a side wall of the frame, and an outer end of the guide rod extends into the arc-shaped guide groove and is slidingly connected.

8. The apparatus for producing an antibacterial PE film according to claim 7, wherein A torsional spring is sleeved on the fixed rotating shaft, one end of the torsional spring is connected with the side wall of the frame, and the other end is connected with the upper inclined rod.

9. The apparatus for producing an antibacterial PE film according to claim 8, wherein The fixed rotating shaft and the guide rod are sequentially provided with a limiting boss, a spline section and a threaded section in the axial direction, the upper adjusting rod and the lower adjusting rod are provided with spline holes, and the threaded section is provided with a locking nut.

10. A method of producing an antibacterial PE film production apparatus according to any one of claims 1 to 9, characterized by, The method comprises the following steps: Step (1): weighing raw materials; Step (2): using a forming device to form a film base layer and an antibacterial layer respectively; Step (3): sending the antibacterial layer into a coating device, and spraying an antibacterial agent to the surface of the antibacterial layer by the coating device; Step (4): drying the antibacterial layer by the coating device; Step (5): conveying the coated antibacterial layer to a laminating device to laminate the antibacterial layer and the film base layer to form an antibacterial film; Step (6): conveying the laminated antibacterial film to a winding device to perform primary pressing and secondary pressing on the antibacterial film; Step (7): winding the pressed antibacterial film by the winding device; Step (8): disassembling and storing the formed antibacterial film.

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