Degradable flame-retardant damp-proof composite film winding device

Abstract

The utility model discloses a degradable flame-retardant damp-proof composite film winding device which comprises a bottom plate, supporting plates are fixedly installed on the tops of the two sides of one end of the bottom plate respectively, the opposite faces of the two supporting plates are both rotationally connected with connecting columns, and a driving assembly used for driving a winding roller to rotate is arranged on the surface of the supporting plate on one side. According to the winding device, through the arrangement of the lifting assembly, one end of the round rod is moved downwards through the moving piece, the round rod rotates with the fixing column as the center, the other end of the round rod enables the U-shaped supporting plate installed at the top of the connecting plate to move upwards, and therefore the winding roller can be lifted up and down. According to the wind-up roll taking-down device, the wind-up roll is lifted, limitation of the connecting piece to the wind-up roll is relieved, then the lead screw is slowly rotated in the reverse direction, the wind-up roll is slowly moved downwards, and therefore the wind-up roll can be conveniently taken down, and the situation that workers are injured in the process that the wind-up roll is taken down is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of composite film winding devices, in particular to a degradable flame-retardant and moisture-proof composite film winding device. Background Art

[0002] Degradable moisture-proof and flame-retardant composite film is a composite film material with degradability, moisture-proof and flame-retardant properties. It is usually composed of a combination of multiple materials to achieve these specific functions. The degradability of this composite film helps to reduce pollution to the environment; the moisture-proof property can protect the internal items from the influence of moisture; and the flame-retardant property can prevent the spread of fire to a certain extent and improve safety.

[0003] According to the Chinese patent with publication number CN218579175U, a composite film winding device is disclosed, which belongs to the composite film winding technology field, including a frame and a winding roller, the frame includes two movable plates, the bottom of the movable plates is provided with a movable mechanism, both ends of the winding roller are provided with fixed plates, the top of one of the movable plates is fixedly connected with a mounting plate, the top of the other movable plate is fixedly connected with a connecting plate, and one side of the connecting plate is provided with a rotating mechanism. When the utility model is used, the spacing between the two movable plates is increased by the movable mechanism, and the winding roller can be removed at this time. When installing the winding roller, the fixed plate is aligned with the connecting mechanism, so that the fixed plate connected to the winding roller through the bearing is installed close to the connecting mechanism of the mounting plate, so that the fixed plate fixedly connected to the winding roller is close to the connecting plate and installed, and finally fixed by the movable mechanism, so that the effect of facilitating the operation of the staff can be achieved.

[0004] There are still some problems in the use of the above-mentioned composite film winding device. Although it can achieve the effect of facilitating the operation of the staff, when the degradable moisture-proof and flame-retardant composite film is wound up, the degradable moisture-proof and flame-retardant composite film is composited with multiple materials. Compared with traditional films, it is heavier. When the degradable moisture-proof and flame-retardant composite film is wound on the winding roller, the weight of the winding roller will inevitably increase. It is relatively difficult to remove it by manpower alone, and there is a risk of injuring the staff during the removal process. Utility Model Content

[0005] The purpose of the utility model is to provide a biodegradable flame-retardant moisture-proof composite film winding device to solve the problem raised in the above-mentioned background technology that after the biodegradable moisture-proof flame-retardant composite film is wound on the winding roller, the weight of the winding roller will inevitably increase, it is relatively difficult to remove it by manpower alone, and there is a risk of injuring workers during the removal process.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A degradable flame retardant and moisture-proof composite film winding device, comprising a bottom plate, support plates are fixedly mounted on the tops of both sides of one end of the bottom plate, two groups of opposite sides of the support plates are rotatably connected with connecting columns, and opposite ends of the two groups of connecting columns are detachably connected with winding rollers for winding up the degradable flame retardant and moisture-proof composite film through connecting pieces, wherein a driving component for driving the winding roller to rotate is arranged on the surface of one side of the support plate, and a lifting component for moving the winding roller up and down is arranged on the top of the bottom plate;

[0008] Wherein, the driving assembly comprises a driving motor fixedly mounted on the surface of the support plate on one side, and the output shaft of the driving motor passes through the support plate and is keyed to the connecting column on the corresponding side;

[0009] Among them, the lifting assembly includes a square plate on the top of the bottom plate and is respectively arranged on one side of the support plate, the top surfaces of the two groups of square plates are rotatably connected with fixed columns, the opposite ends of the two groups of fixed columns are fixedly connected with fixed rings, the inner cavity of the fixed ring is fixedly plugged with a round rod, the opposite sides of the two groups of support plates are slidably connected with connecting plates, the opposite ends of the two groups of connecting plates are meandering upward and fixedly connected with U-shaped support plates, one ends of the two groups of round rods are respectively in contact with the bottom of the corresponding side connecting plates, and the other ends of the two groups of round rods are provided with moving parts for simultaneously moving one end of the round rods vertically.

[0010] Preferably, the connecting member includes a fixing block fixedly connected to the opposite ends of two groups of connecting columns, one side of the fixing block is rotatably connected to a connecting block, the fixing block and the connecting block are both arranged in a semicircular ring shape, a hole is opened on the surface of one side of the connecting block, a first bolt is slidably inserted in the inner cavity of the hole, one end of the first bolt passes through the hole and is threadedly connected to the surface of the corresponding side of the fixing block.

[0011] Preferably, the movable part includes a lead screw rotatably connected to the top of the base plate and located between one end of the two groups of round rods, the surface of the lead screw is threadedly connected to a corresponding nut seat, both sides of the nut seat are fixedly connected to fixed sleeves, the inner cavities of the two groups of fixed sleeves are rotatably connected to transmission columns, the opposite ends of the two groups of transmission columns are fixedly connected to slip rings, and the two groups of slip rings are respectively slidably sleeved on the surfaces of the corresponding side round rods.

[0012] Preferably, bearings are embedded on the tops of the two groups of square plates, and one end of the fixing columns on both sides are fixedly inserted into the inner ring of the corresponding side bearing.

[0013] Preferably, connecting half rings are provided at the tops of the two groups of square plates and at positions corresponding to the outer cylindrical surfaces of the bearings, and second bolts are inserted into the tops of both sides of the connecting half rings, and the screws of the second bolts are threadedly connected to the top surfaces of the square plates.

[0014] Preferably, a slide groove is provided on one side opposite to the two groups of support plates, and the inner cavity of the slide groove is slidably connected with a corresponding slider, and the two groups of sliders are respectively fixedly connected to the surface of the corresponding side connecting plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model sets a lifting assembly, and moves one end of the round rod downward through the movable part, and the round rod rotates around the fixed column, so that the other end of the round rod moves the U-shaped supporting plate installed on the top of the connecting plate upward, thereby lifting the winding roller, and releasing the restriction of the connecting part on the winding roller, and then slowly rotating the lead screw in the opposite direction to slowly move the winding roller downward, so as to facilitate the removal of the winding roller and avoid the situation where the staff is injured in the process of removing the winding roller.

[0017] 2. The utility model adopts the setting of a lead screw, wherein the lead screw is a trapezoidal lead screw, and its helix angle is smaller than the friction angle, so it has a certain self-locking property, thereby avoiding the lead screw from stalling and causing the winding roller to descend too quickly, thereby improving the safety of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the degradable flame retardant and moisture-proof composite film winding device of the utility model;

[0019] Figure 2 This is a structural schematic diagram of the degradable flame-retardant and moisture-proof composite film winding device of the utility model from another perspective;

[0020] Figure 3 This is a structural schematic diagram of the connection block of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the chute of the utility model.

[0022] In the figure: 100, bottom plate; 101, support plate; 102, drive motor; 103, connecting column; 104, winding roller; 105, ramp; 106, slide groove; 107, slider; 200, fixing block; 201, connecting block; 202, hole; 203, first bolt; 300, fixing sleeve; 301, nut seat; 302, lead screw; 303, transmission column; 304, turntable; 305, support plate; 306, connecting plate; 307, round rod; 308, fixing ring; 309, fixing column; 310, slip ring; 311, square plate; 400, connecting half ring; 401, second bolt; 402, bearing. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 The present embodiment provides a degradable flame retardant and moisture-proof composite film winding device, comprising a bottom plate 100, support plates 101 are fixedly installed on the top of both sides of one end of the bottom plate 100, and connecting columns 103 are rotatably connected to opposite sides of the two groups of support plates 101, and winding rollers 104 for winding the degradable flame retardant and moisture-proof composite film are connected to the opposite ends of the two groups of connecting columns 103 through connecting pieces, wherein a driving component for driving the winding roller 104 to rotate is provided on the surface of one side of the support plate 101, and a lifting component for moving the winding roller 104 up and down is provided on the top of the bottom plate 100, and a slope 105 is provided below the winding roller 104 and on the surface of the bottom plate 100;

[0025] The driving assembly includes a driving motor 102 fixedly mounted on the surface of a support plate 101 on one side, and an output shaft of the driving motor 102 passes through the support plate 101 and is keyed to a connecting column 103 on the corresponding side;

[0026] The lifting assembly includes a square plate 311 on the top of the bottom plate 100 and arranged on one side of the support plate 101. The bottoms of the two groups of square plates 311 are fixedly connected to the top of the bottom plate 100. The top surfaces of the two groups of square plates 311 are rotatably connected with fixed columns 309. The opposite ends of the two groups of fixed columns 309 are fixedly connected with fixed rings 308. The inner cavity of the fixed ring 308 is fixedly plugged with a round rod 307. The opposite sides of the two groups of support plates 101 are slidably connected with connecting plates 306. The opposite ends of the two groups of connecting plates 306 meander upward and are fixedly connected with U-shaped supporting plates 305. One end of the two groups of round rods 307 respectively contacts the bottom of the corresponding side connecting plates 306. The other end of 07 is provided with a moving part for simultaneously moving one end of the round rod 307 vertically. Through the setting of the lifting component, one end of the round rod 307 is moved downward by the moving part, and the round rod 307 rotates around the fixed column 309, so that the other end of the round rod 307 moves the U-shaped support plate 305 installed on the top of the connecting plate 306 upward, thereby lifting the winding roller 104 and releasing the restriction of the connecting part on the winding roller 104, and then slowly rotating the screw 302 in the opposite direction to slowly move the winding roller 104 downward, so as to facilitate the removal of the winding roller 104 and avoid injuring the staff in the process of removing the winding roller 104.

[0027] Among them, the degradable flame retardant and moisture-proof composite film not only has good degradation performance, but also has excellent flame retardant and moisture-proof properties, which can meet the packaging needs of food, medicine and other industries. The degradable flame retardant and moisture-proof composite film includes a base layer, a flame retardant layer, a moisture-proof layer and a degradable layer. The base layer is a biaxially oriented polypropylene (BOPP) film layer, which provides excellent mechanical strength and transparency; the flame retardant layer is a polyamide (PA) film layer with flame retardant added, which effectively prevents the spread of flames; the moisture-proof layer is a polyvinyl alcohol (PVA) coating with good moisture-proof performance; the degradable layer is a polylactic acid (PLA) film layer, which ensures that the material can be naturally degraded after use;

[0028] Among them, the base BOPP film layer is light, non-toxic, odorless, moisture-proof, and has high mechanical strength, making it suitable as the base support layer of the composite film; the flame-retardant PA film layer can effectively improve the fire safety of the composite film due to its good comprehensive performance and flame retardancy; the moisture-proof PVA coating forms a dense network structure through chemical cross-linking, effectively blocking water vapor penetration; the degradable PLA film layer is derived from renewable resources and meets environmental protection requirements;

[0029] Among them, multi-layer co-extrusion composite technology is used to composite each layer of materials together through adhesives or hot melts to form a composite film with a multi-layer structure. During the production process, parameters such as temperature, pressure and speed are strictly controlled to ensure that each layer of materials is tightly combined to form a composite film with excellent performance;

[0030] The degradable flame retardant and moisture-proof composite film has the following beneficial effects:

[0031] Environmental protection: The degradable flame retardant and moisture-proof composite film adopts the degradable material PLA as the degradable layer, which realizes the greening of packaging materials and reduces environmental pollution.

[0032] Flame retardancy: The addition of flame retardant PA film layer significantly improves the flame retardant properties of the composite film and effectively prevents the occurrence of fire accidents.

[0033] Moisture-proof: The moisture-proof layer PVA coating has good moisture-proof performance and can effectively protect the items in the package from moisture.

[0034] Mechanical properties: The base BOPP film layer provides excellent mechanical strength and transparency, enabling the composite film to withstand certain external forces and maintain good visual effects during the packaging process.

[0035] The degradable flame retardant and moisture-proof composite film is prepared by the following method:

[0036] Prepare the materials for each layer: select qualified BOPP film layer as the base layer, PA film layer as the flame retardant layer, PVA solution as the moisture-proof layer coating, and PLA film layer as the degradable layer.

[0037] Multi-layer co-extrusion composite: The base BOPP film layer, the flame-retardant PA film layer, the moisture-proof PVA coating layer and the degradable PLA film layer are placed in sequence at the feed port of the multi-layer co-extrusion composite machine. By adjusting parameters such as temperature, pressure and speed, each layer of material is melted and tightly combined together under high temperature and high pressure to form a composite film with a multi-layer structure.

[0038] Post-processing: The composite film is subjected to post-processing procedures such as cooling, cutting, and winding to obtain a finished degradable flame-retardant and moisture-proof composite film.

[0039] Among them, the winding process adopts the degradable flame retardant and moisture-proof composite film winding device in this embodiment for winding.

[0040] Furthermore, the connecting piece includes a fixing block 200 to which the opposite ends of the two groups of connecting columns 103 are fixedly connected, and a connecting block 201 is rotatably connected to one side of the fixing block 200. The fixing block 200 and the connecting block 201 are both arranged in a semicircular ring shape, and a hole 202 is opened on the surface of one side of the connecting block 201. A first bolt 203 is slidably inserted into the inner cavity of the hole 202, and one end of the first bolt 203 passes through the hole 202 and is threadedly connected to the surface of the corresponding side of the fixing block 200. Through the setting of the connecting piece, the connecting block 201 is flipped so that the roller shaft of the winding roller 104 is clamped in the inner cavity formed by the connecting block 201 and the fixing block 200 when they are closed together, and the first bolt 203 is tightened to fix the connecting block 201 and the fixing block 200 together, thereby fixing the winding roller 104, having a good fixing effect on it, and facilitating the staff to remove the restriction on the winding roller 104, further improving the convenience of use of the device.

[0041] It is worth mentioning that the moving part includes a lead screw 302 which is rotatably connected to the top of the base plate 100 and is located between one end of the two groups of round rods 307, the top of the lead screw 302 is fixedly connected to a turntable 304, the surface of the lead screw 302 is threadedly connected to a corresponding nut seat 301, both sides of the nut seat 301 are fixedly connected to fixed sleeves 300, the inner cavities of the two groups of fixed sleeves 300 are rotatably connected to transmission columns 303, the facing ends of the two groups of transmission columns 303 are fixedly connected to slip rings 310, and the two groups of slip rings 310 are respectively slidably sleeved on the surfaces of the corresponding side round rods 307, through the setting of the lead screw 302, wherein the lead screw 302 is a trapezoidal lead screw, and its helix angle is less than the friction angle, so it has a certain self-locking property, thereby avoiding the lead screw 302 from stalling, causing the winding roller 104 to descend too quickly, thereby improving the safety of use of the staff.

[0042] Furthermore, bearings 402 are embedded in the tops of the two groups of square plates 311, and one end of the fixing columns 309 on both sides are fixedly inserted in the inner rings of the corresponding side bearings 402. Connecting semi-rings 400 are provided at the tops of the two groups of square plates 311 and at positions corresponding to the outer cylindrical surfaces of the bearings 402. Second bolts 401 are inserted in the tops of both sides of the connecting semi-rings 400. The screw threads of the second bolts 401 are connected to the top surfaces of the square plates 311, thereby reducing the friction between the fixing columns 309 and the square plates 311, and fixing the bearings 402 by the connecting semi-rings 400 to prevent the bearings 402 from being subjected to excessive force and detaching from the surface of the square plates 311.

[0043] Preferably, a slide groove 106 is provided on one side opposite to the two groups of support plates 101, and the inner cavity of the slide groove 106 is slidably connected with a corresponding slider 107. The two groups of sliders 107 are respectively fixedly connected to the surfaces of the corresponding side connecting plates 306, thereby limiting the running trajectory of the connecting block 201 and preventing the U-shaped pallet 305 from shaking and the winding roller 104 from escaping from the inner cavity of the U-shaped pallet 305.

[0044] Working principle:

[0045] First, take out the winding roller 104, and place the roller shafts at both ends of the winding roller 104 in the inner cavity of the fixed block 200, then flip the connecting block 201 in turn, and place the roller shafts on both sides of the winding roller 104 in the inner cavity formed after the fixing block 200 and the connecting block 201 are closed, then tighten the first bolt 203, and fix the connecting block 201 and the fixing block 200 together, so as to fix the winding roller 104, and then roll one end of the degradable flame retardant and moisture-proof composite film on the surface of the winding roller 104, and then start the driving motor 102 to drive the winding roller 104 to rotate, so as to automatically wind up the degradable flame retardant and moisture-proof composite film, and when the winding is completed, rotate the winding roller 104 so that the head of the first bolt 203 faces downward, and then rotate the lead screw 302 to move the nut seat 301 downward The rod 307 is moved downwardly, and one end of the rod 307 is moved upwardly through the transmission of the transmission column 303, so that the other end of the rod 307 is moved upwardly, and the connecting plate 306 is moved upwardly at the same time, and then the U-shaped support plates 305 on both sides respectively lift the roller shafts on both sides of the winding roller 104, and then the first bolt 203 is removed in turn to release the restriction of the connecting block 201 and the fixing block 200, and then the lead screw 302 is slowly rotated in the opposite direction to slowly move the winding roller 104 downwardly. Furthermore, the staff can place the cart on the slope 105, and the cart is between the two sets of connecting plates 306. When the winding roller 104 is moved downwardly, the winding roller 104 is directly placed on the cart, so as to facilitate the movement of the winding roller 104.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A degradable flame retardant and moisture-proof composite film winding device, characterized in that: The invention comprises a bottom plate (100), support plates (101) are fixedly mounted on the tops of both sides of one end of the bottom plate (100), two groups of the support plates (101) are rotatably connected to opposite sides thereof with connecting posts (103), opposite ends of the two groups of connecting posts (103) are connected to winding rollers (104) for winding up a degradable flame retardant and moisture-proof composite film through connecting pieces, a driving component for driving the winding roller (104) to rotate is arranged on the surface of one side of the support plate (101), and a lifting component for moving the winding roller (104) up and down is arranged on the top of the bottom plate (100), wherein: The driving assembly comprises a driving motor (102) fixedly mounted on the surface of the support plate (101) on one side, and an output shaft of the driving motor (102) passes through the support plate (101) and is key-connected to the connecting column (103) on the corresponding side; The lifting assembly comprises a square plate (311) which is located at the top of the base plate (100) and is arranged on one side of the support plate (101); the top surfaces of the two groups of square plates (311) are rotatably connected with fixed columns (309); the opposite ends of the two groups of fixed columns (309) are fixedly connected with fixed rings (308); the inner cavity of the fixed ring (308) is fixedly plugged with a round rod (307); the opposite sides of the two groups of support plates (101) are slidably connected with connecting plates (306); the opposite ends of the two groups of connecting plates (306) are bent upward and fixedly connected with a U-shaped support plate (305); one end of the two groups of round rods (307) respectively contacts the bottom of the corresponding side connecting plate (306); and the other ends of the two groups of round rods (307) are provided with moving parts for simultaneously moving one end of the round rods (307) vertically.

2. A degradable flame retardant and moisture-proof composite film winding device according to claim 1, characterized in that; The connecting member comprises a fixing block (200) fixedly connected to opposite ends of two groups of connecting columns (103); one side of the fixing block (200) is rotatably connected to a connecting block (201); the fixing block (200) and the connecting block (201) are both arranged in a semicircular ring; a hole (202) is provided on one side surface of the connecting block (201); a first bolt (203) is slidably inserted into the inner cavity of the hole (202); one end of the first bolt (203) passes through the hole (202) and is threadedly connected to the surface of the corresponding side of the fixing block (200).

3. The degradable flame retardant and moisture-proof composite film winding device according to claim 1, characterized in that: The moving part comprises a lead screw (302) rotatably connected to the top of the base plate (100) and located between one end of the two groups of round rods (307); the surface of the lead screw (302) is threadedly connected to a corresponding nut seat (301); both sides of the nut seat (301) are fixedly connected to fixed sleeves (300); the inner cavities of the two groups of the fixed sleeves (300) are rotatably connected to transmission columns (303); the ends of the two groups of the transmission columns (303) facing each other are fixedly connected to slip rings (310); the two groups of the slip rings (310) are respectively slidably sleeved on the surfaces of the corresponding side round rods (307).

4. The degradable flame retardant and moisture-proof composite film winding device according to claim 3, characterized in that: The tops of the two groups of square plates (311) are both inlaid with bearings (402), and one end of the fixing columns (309) on both sides is respectively fixedly inserted into the inner ring of the corresponding side bearing (402).

5. The degradable flame retardant and moisture-proof composite film winding device according to claim 4, characterized in that: A connecting half ring (400) is provided at the top of the two groups of square plates (311) and at a position corresponding to the outer circumferential surface of the bearing (402), and a second bolt (401) is inserted into the top of both sides of the connecting half ring (400), and the screw rod of the second bolt (401) is threadedly connected to the top surface of the square plate (311).

6. A degradable flame retardant and moisture-proof composite film winding device according to any one of claims 1 to 5, characterized in that: A slide groove (106) is provided on one opposite side of the two groups of support plates (101), and the inner cavity of the slide groove (106) is slidably connected to a corresponding slider (107), and the two groups of sliders (107) are respectively fixedly connected to the surface of the corresponding side connecting plate (306).

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