Cooling device for PVC film production

Abstract

The utility model belongs to the technical field of PVC (polyvinyl chloride) film production and processing, and particularly relates to a PVC film production cooling device which comprises a workbench, two fixing frames are fixedly connected to the top of the workbench, a cooling box is arranged on one sides of the fixing frames and fixedly connected with the workbench, two first motors are fixedly connected to one side of the cooling box, conveying rollers are fixedly connected to one ends of the first motors, and the conveying rollers are rotationally connected with the cooling box. A second motor is fixedly connected to one side of one fixing frame, a driving roller is fixedly connected to one side of the second motor, the driving roller is rotationally connected with the fixing frame, an air cylinder is fixedly connected to the top of the fixing frame, and a cross rod is fixedly connected to one end of the air cylinder; the bottom of the cross rod is rotationally connected with an extrusion roller, the height of the cross rod is adjusted by arranging an air cylinder, then the gap between the extrusion roller and the driving roller is adjusted, and it is ensured that redundant water on the PVC film is effectively extruded away.

Description

TECHNICAL FIELD

[0001] The utility model belongs to PVC film production and processing technical field, concretely speaking, it is a PVC film production cooling device. BACKGROUND

[0002] PVC film is a kind of vacuum blister film, commonly used as building materials, for making roof, wall and floor, etc., with waterproof, weather resistance characteristics, can effectively protect the building from rain and ultraviolet lamp erosion.PVC film production process usually includes batching and mixing, melt extrusion, calendering and cooling, traction and winding steps.

[0003] PVC resin particles are melt extruded by extruder, forming continuous melt film.In this process, since the melt PVC resin contains certain moisture (although it will try to remove in raw material preparation stage, but it is difficult to completely remove), this part of moisture may remain in the film or surface during extrusion.Then the melt PVC film is calendered into a sheet by calendering machine.In the calendering process, due to the action of mechanical pressure and friction, the moisture in the film may be extruded to the surface of the film, forming a thin layer of water film.

[0004] And in the prior art, the cooling device does not have the step of processing excess moisture, and the excess moisture on the PVC film has adverse effects on the cooling effect and product quality during the cooling process.

[0005] Therefore, the utility model provides a PVC film production cooling device. UTILITY MODEL CONTENT

[0006] In order to make up for the deficiencies of the prior art, solve at least one technical problem proposed in the background art.

[0007] The utility model discloses a PVC film production cooling device, including the workbench, two fixed frames are fixedly connected to the workbench top, one side of fixed frame is equipped with the cooling box, the cooling box is fixedly connected with the workbench, one side of cooling box is fixedly connected with two first motor, one end of first motor is fixedly connected with the transmission roller, the transmission roller is rotatably connected with the cooling box, one side of transmission roller is equipped with the cooling subassembly, one side of fixed frame is fixedly connected with second motor, one side of second motor is fixedly connected with the driving roller, the driving roller is rotatably connected with fixed frame, the fixed frame top is fixedly connected with the cylinder, one end of cylinder is fixedly connected with the cross bar, the cross bar bottom is rotatably connected with the extrusion roller, when working, PVC film is connected into the workbench after discharging from the calender, and the second motor starts and will drive PVC film to rotate, adjusts the cylinder, controls the distance of cross bar, and then adjusts and control the distance between extrusion roller and driving roller, and extrusion roller extrudes PVC film that passes through the driving roller, and the excess moisture on PVC is discharged, and then the first motor starts, drives the transmission roller to rotate, and PVC film is transmitted to the cooling box, and the cooling subassembly in the cooling box cools PVC film, and then after coming out from the cooling box, carries out the subsequent cutting or winding work, and through the setting cylinder, the cylinder adjusts the height of cross bar, and then adjusts the gap between extrusion roller and driving roller, ensures that the excess moisture on PVC film is effectively extruded.

[0008] Preferably, one side of the driving roller is provided with two horizontal strips, one side of the horizontal strip is fixedly connected with the water absorption strip, two water absorption strips are correspondingly arranged, when working, PVC film is driven by the driving roller and passes between the two water absorption strips, the water absorption strip contacts both sides of the PVC film and absorbs the moisture on the surface, and the water absorption strip is arranged higher than the driving roller, which can increase the tension of the PVC, facilitating the subsequent effective extrusion of the driving roller and the extrusion roller on the PVC film, so that the moisture in the PVC film is fully extruded, and the water absorption strip contacts both sides of the PVC film, which can increase the surface tension of the PVC and absorb the moisture on the surface, facilitating the more effective extrusion of the driving roller and the extrusion roller on the PVC film.

[0009] Preferably, the cooling assembly comprises a cooling fan fixedly connected to one side of the cooling box, air pipes are communicated at both ends of the cooling fan, a gas guide plate is communicated at one end of the air pipe, a plurality of air holes are communicated on the surface of the gas guide plate, and the gas guide plate is fixedly connected with the cooling box, when working, the cooling fan starts to generate cold air, the cold air passes through the air pipe and enters the gas guide plate, and then is discharged from the air holes and acts on both sides of the PVC film to cool the PVC, so that both sides of the PVC receive the action of the cold air, the PVC can be cooled more quickly, the cooling time is shortened, and the processing efficiency is improved.

[0010] Preferably, the bottom of the driving roller is provided with a water collecting groove, the water collecting groove is opened on the surface of the workbench, and water squeezed out by the driving roller and the extruding roller is collected and then falls into the water collecting groove, so that water is not scattered on the workbench, and then affects the work of other components or causes damage to the components.

[0011] Preferably, the bottom of the water collecting groove is provided with a plurality of sponge blocks, the sponge blocks are fixedly connected with the water collecting groove, water falling into the water collecting groove can splash, a part of water droplets can splash out of the water collecting groove, the sponge blocks absorb the falling water, the splashing of water is reduced, and the water collecting groove can better collect excess water.

[0012] Preferably, the cooling box is provided with two baffle plates on two sides, the baffle plates are fixedly connected with the cooling box, and the baffle plates block the two sides of the cooling box during work, so that the circulation of cold air and external air is reduced, and then the cooling effect of the cold air is affected.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model discloses a PVC film production cooling device, through setting up the pneumatic cylinder, pneumatic cylinder adjusts the height of cross rod, and then adjusts the gap between extruding roller and driving roller, ensures that the excess moisture on the PVC film is effectively squeezed off.

[0015] 2. The utility model discloses a PVC film production cooling device, through setting up water absorption strip contact PVC film two sides, when increasing the surface tension of PVC film, the water on the surface of PVC film is absorbed, and the PVC film is more effectively squeezed by the driving roller and the extruding roller. DRAWINGS

[0016] The utility model makes further explanation in combination with the drawings.

[0017] Fig. 1 It is the perspective view in the utility model;

[0018] Fig. 2 It is the structural schematic view of workbench in the utility model;

[0019] Fig. 3 It is the structural schematic view of driving roller in the utility model;

[0020] Fig. 4 It is the structural schematic view of cooling fan in the utility model;

[0021] Fig. 5 It is the structural schematic view of sponge block in the utility model;

[0022] In the figure: 1, workbench; 101, cooling box; 102, first motor; 103, transmission roller; 11, fixed frame; 12, second motor; 13, driving roller; 14, air cylinder; 15, cross rod; 16, extrusion roller; 2, cross strip; 21, water absorption strip; 3, air cooler; 31, air pipe; 32, air guide plate; 33, air hole; 4, water collecting tank; 5, sponge block; 6, baffle. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As Figs. 1 to 3 shown in the utility model embodiment, the PVC film production cooling device comprises a workbench 1; two fixed frames 11 are fixedly connected to the top of the workbench 1; a cooling box 101 is arranged on one side of the fixed frame 11; the cooling box 101 is fixedly connected to the workbench 1; two first motors 102 are fixedly connected to one side of the cooling box 101; a transmission roller 103 is fixedly connected to one end of the first motor 102; the transmission roller 103 is rotatably connected to the cooling box 101; a cooling assembly is arranged on one side of the transmission roller 103; one of the fixed frames 11 is fixedly connected with a second motor 12 on one side; a driving roller 13 is fixedly connected to one side of the second motor 12; the driving roller 13 is rotatably connected to the fixed frame 11; an air cylinder 14 is fixedly connected to the top of the fixed frame 11; a cross rod 15 is fixedly connected to one end of the air cylinder 14; an extrusion roller 16 is rotatably connected to the bottom of the cross rod 15; when working, the PVC film is connected into the workbench 1 after being discharged from the calender; the second motor 12 is started to drive the PVC film transmission; the air cylinder 14 is adjusted to control the distance of the cross rod 15, thereby adjusting the distance between the extrusion roller 16 and the driving roller 13; the extrusion roller 16 extrudes the PVC film passing through the driving roller 13 to discharge the excess water on the PVC film; then the first motor 102 is started to drive the transmission roller 103 to rotate; the PVC film is transmitted through the transmission roller 103 and then enters the cooling box 101; the cooling assembly in the cooling box 101 cools the PVC film; then the PVC film is cut or wound after being discharged from the cooling box 101; the air cylinder 14 is arranged to adjust the height of the cross rod 15, thereby adjusting the gap between the extrusion roller 16 and the driving roller 13, so that the excess water on the PVC film is effectively extruded.

[0025] As Figs. 1 to 3As shown, the active roller 13 side is provided with two horizontal strips 2, one side of the horizontal strip 2 is fixedly connected with the water absorption strip 21, two water absorption strips 21 are correspondingly provided, during operation, the PVC film is driven by the driving roller 13, passes between the two water absorption strips 21, the water absorption strip 21 contacts the two surfaces of the PVC film, absorbs the water on the surface, and the water absorption strip 21 is arranged higher than the driving roller 13, which can increase the tension of the PVC, facilitate the subsequent driving roller 13 and the extrusion roller 16 to effectively extrude the PVC film, so that the water in the PVC film is fully extruded out, by arranging the water absorption strip 21 to contact the two surfaces of the PVC film, the surface tension of the PVC film is increased, and the water on the surface is absorbed, which facilitates the driving roller 13 and the extrusion roller 16 to more effectively extrude the PVC film.

[0026] As shown in the figure, Figs. 1 to 4 The cooling assembly includes a cooling box 101, a cooling fan 3 fixedly connected to one side of the cooling box 101, air pipes 31 communicated at both ends of the cooling fan 3, air guide plates 32 communicated at one end of the air pipes 31, and a plurality of air holes 33 communicated on the surface of the air guide plates 32, wherein the air guide plates 32 are fixedly connected with the cooling box 101. During operation, the cooling fan 3 is started to generate cool air, which passes through the air pipes 31, enters the air guide plates 32, and then is discharged from the air holes 33 to act on both surfaces of the PVC film to cool the PVC. In this way, both surfaces of the PVC receive the action of the cool air, so that the PVC can be cooled more quickly to achieve the effect of accelerating the cooling time and improve the processing efficiency.

[0027] As shown in the figure, Figs. 1 to 5 The bottom of the active roller 13 is provided with a water collecting tank 4, and the water collecting tank 4 is arranged on the surface of the workbench 1. During operation, the water extruded by the active roller 13 and the extrusion roller 16 is collected and then falls into the water collecting tank 4, thereby reducing the water scattered on the workbench 1 and affecting the work of other components or causing damage to the components.

[0028] As shown in the figure, Figs. 1 to 5 The bottom of the water collecting tank 4 is provided with a plurality of sponge blocks 5, and the sponge blocks 5 are fixedly connected with the water collecting tank 4. During operation, the water falling into the water collecting tank 4 may splash, and a part of the water droplets may splash out of the water collecting tank 4. The sponge blocks 5 absorb the falling water to reduce the splashing of the water and make the water collecting tank 4 better collect the excess water.

[0029] As shown in the figure, Figs. 1 to 2 The two sides of the cooling box 101 are provided with two baffles 6, and the baffles 6 are fixedly connected with the cooling box 101. During operation, the baffles 6 block the two sides of the cooling box 101 to reduce the flow of cool air with external air and affect the cooling effect of the cool air.

[0030] Working principle: PVC film is connected into the workbench 1 after discharging from the calender, the second motor 12 is started to drive the PVC film to rotate, the air cylinder 14 is adjusted, the distance of the cross rod 15 is controlled, and then the distance between the extrusion roller 16 and the driving roller 13 is controlled, the extrusion roller 16 extrudes the PVC film passing through the driving roller 13, and the excess moisture on the PVC is discharged, then the first motor 102 is started to drive the transmission roller 103 to rotate, the PVC film is driven by the transmission roller 103 to enter the cooling box 101, the cooling assembly in the cooling box 101 cools the PVC film, then after coming out from the cooling box 101, subsequent cutting or winding and the like are carried out, by arranging the air cylinder 14, the air cylinder 14 adjusts the height of the cross rod 15, and then the gap between the extrusion roller 16 and the driving roller 13 is adjusted, so that the excess moisture on the PVC film is effectively extruded, the PVC film is driven by the driving roller 13 to pass between the two water absorbing strips 21, the water absorbing strips 21 contact the two surfaces of the PVC film to absorb the moisture on the surfaces, and the water absorbing strips 21 are arranged higher than the driving roller 13, so that the tension of the PVC is increased, and the PVC film is conveniently and effectively extruded by the driving roller 13 and the extrusion roller 16, so that the moisture in the PVC film is fully extruded, by arranging the water absorbing strips 21 to contact the two surfaces of the PVC film, the tension of the PVC film is increased, and the moisture on the surfaces is absorbed, so that the PVC film is more effectively extruded by the driving roller 13 and the extrusion roller 16, the cooling fan 3 is started to generate cold air, the cold air passes through the air pipe 31 and enters the air guide plate 32, and then is discharged from the air holes 33 to act on the two surfaces of the PVC film to cool the PVC, in this way, the two surfaces of the PVC receive the action of the cold air, so that the PVC can be more quickly cooled, the cooling time is shortened, and the processing efficiency is improved, the moisture extruded by the driving roller 13 and the extrusion roller 16 is gathered and then falls into the water collecting tank 4, so that the water falling on the workbench 1 is reduced, and the working of other components is not affected or the components are not damaged, the water falling into the water collecting tank 4 may splash, a part of the water drops may splash out of the water collecting tank 4, the sponge block 5 absorbs the falling water to reduce the splashing of the water, so that the water collecting tank 4 can better collect the excess moisture, and the baffle 6 blocks the two sides of the cooling box 101 to reduce the flow of the cooling air and the external air, and then the cooling effect of the cooling air is affected.

[0031] The basic principle, main features and advantages of the utility model are shown and described. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification only illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A PVC film production cooling device comprising a workbench (1); characterized in that: The workbench (1) top fixedly connected with two fixed frame (11), the fixed frame (11) one side is equipped with cooling box (101), the cooling box (101) and workbench (1) fixedly connected, the cooling box (101) one side fixedly connected with two first motor (102), the first motor (102) one end fixedly connected with transmission roller (103), the transmission roller (103) and cooling box (101) rotatably connected, the transmission roller (103) one side is equipped with cooling assembly, wherein one of the fixed frame (11) one side fixedly connected with second motor (12), the second motor (12) one side fixedly connected with driving roller (13), the driving roller (13) and fixed frame (11) rotatably connected, the fixed frame (11) top fixedly connected with pneumatic cylinder (14), the pneumatic cylinder (14) one end fixedly connected with cross bar (15), the cross bar (15) bottom rotatably connected with extrusion roller (16).

2. A PVC film production cooling apparatus according to claim 1, characterized in that: The driving roller (13) one side is equipped with two cross strips (2), the cross strip (2) one side fixedly connected with water absorbing strip (21), two water absorbing strips (21) are correspondingly provided.

3. A PVC film production cooling apparatus according to claim 2, characterized in that: The cooling assembly includes a cooling fan (3) fixedly connected to one side of the cooling box (101), the cooling fan (3) is communicated with the air pipe (31) at both ends, the air pipe (31) is communicated with the air guide plate (32) at one end, the air guide plate (32) is communicated with a plurality of air holes (33) on the surface, and the air guide plate (32) is fixedly connected with the cooling box (101).

4. A PVC film production cooling apparatus according to claim 3, characterized in that: The driving roller (13) bottom is equipped with a water collecting tank (4), and the water collecting tank (4) is arranged on the surface of the workbench (1).

5. A PVC film production cooling apparatus according to claim 4, characterized in that: The bottom of the water collecting tank (4) is provided with a plurality of sponge blocks (5), and the sponge blocks (5) are fixedly connected with the water collecting tank (4).

6. A PVC film production cooling apparatus according to claim 5, characterized in that: The cooling box (101) is provided with two baffle plates (6) on both sides, and the baffle plates (6) are fixedly connected with the cooling box (101).

Images