Cooling device for PVC (polyvinyl chloride) film calendering roller

Abstract

The utility model belongs to the technical field of cooling devices, and particularly relates to a PVC (polyvinyl chloride) film calender roll cooling device which comprises an operation platform, the top of the operation platform is fixedly connected with a first support. Two hanging rings are fixedly connected to the middle part of the first bracket; the middle of the hanging ring is rotationally connected with a calendering roller; the bottom of the lifting ring is fixedly connected with a motor; the output end of the motor is fixedly connected with a first gear; the end part of the calendering roller is fixedly connected with a second gear; the end part of the calendering roller is rotationally connected with two shaft seal rings; the end part of the shaft seal ring is communicated with a water inlet pipe; the end, away from the water inlet pipe, of the shaft seal ring is fixedly connected with a water outlet pipe. A plurality of first baffles are fixedly connected to the inner side wall of the calendering roller; a plurality of second baffles are fixedly connected to the inner side wall of the calendering roller; the first baffles and the second baffles are arranged in a staggered mode. And through the arrangement of the first baffle and the second baffle, water flow can more fully cool the calendering roller, and the problem that the PVC film and machinery are damaged due to too high temperature is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of cooling device, specifically a kind of PVC film calender roll cooling device. BACKGROUND

[0002] PVC film, full name is polyvinyl chloride film, main component is polyvinyl chloride, it is a kind of synthetic material widely used in today's world, commonly used to make various packaging materials, such as packaging bag, packaging box, packaging film etc., can effectively protect product from the influence of external environment.

[0003] PVC film calender refers to the heated PVC plastic through the gap of rotating horizontal roller, so that material is subjected to extrusion, extension, thereby becoming a certain thickness, width and smooth surface film or sheet.

[0004] Just after calendering PVC film is in high temperature, plastic state, if not timely cooling, PVC material can be deformed due to its thermoplasticity, cannot maintain the dimensional accuracy and shape endowed by calendering.

[0005] Therefore, the utility model provides a kind of PVC film calender roll cooling device. UTILITY MODEL CONTENTS

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

[0007] The utility model solves the technical scheme that it adopts: a kind of PVC film calender roll cooling device described in the utility model, including operation platform;The first support is fixedly connected on the top of operation platform;Two lifting rings are fixedly connected in the middle of the first support;Calender roll is rotatably connected in the middle of the lifting ring;The motor is fixedly connected at the bottom of the lifting ring;The first gear is fixedly connected at the output end of motor;Second gear is fixedly connected at the end of calender roll;The first gear and second gear are meshing arrangement;Two shaft seals are rotatably connected at the end of calender roll;Calender roll and shaft seal are shaft seal connection;Water inlet pipe is communicated at the end of shaft seal;Water outlet pipe is communicated at the end of shaft seal away from water inlet pipe, and water outlet pipe (19) and shaft seal (17) are interconnected setting The inner side wall of calender roll is fixedly connected with a plurality of first baffle;The inner side wall of calender roll is fixedly connected with a plurality of second baffle;The first baffle and second baffle are staggered arrangement;Through the setting of first baffle and second baffle, the flow speed of water flow in calender roll is slowed down, the residence time of water flow in calender roll is increased, so that water flow can be more fully cooled to calender roll, reduce the damage problem of PVC film and machinery due to temperature is too high;At the same time, also reduce the problem that calender roll is shaken due to water flow speed is too fast.

[0008] Preferably, the inner side wall of the shaft seal ring is fixedly connected with a fixing seat; the end of the fixing seat is fixedly connected with a rubber rod; the side wall of the rubber rod is fixedly connected with a plurality of scrapers; the scrapers are arranged in the gap between the first baffle and the second baffle; through the arrangement of the scrapers, the impurities and water stains remaining on the inner side wall of the calender roll can be scraped off, and the mechanical jamming problem caused by the remaining impurities is reduced; at the same time, the passive stirring of the water flow in the calender roll by the scrapers makes the cooling of the calender roll by the water flow more sufficient, and the problem of excessively high temperature caused by insufficient cooling is reduced.

[0009] Preferably, the middle of the rubber rod is fixedly connected with a flow guide block; the flow guide block is arranged on the side close to the water inlet pipe; the flow guide block is arc-shaped rubber; through the arrangement of the flow guide block, the water flow can be more dispersed into the calender roll, the contact time of the water flow and the inner wall of the calender roll is increased, and the cooling efficiency is improved. At the same time, the arc-shaped arrangement of the flow guide block can better guide the water flow; the rubber material can work in water for a long time without replacement.

[0010] Preferably, the top of the operation platform is fixedly connected with an inflation bin; the side wall of the inflation bin is communicated with an air inlet pipe; a plurality of air outlet holes are formed in the side wall of the inflation bin; through the arrangement of the inflation bin, the calender roll can be subjected to secondary cooling treatment on the basis of the water cooling system, the cooling efficiency is improved, and the problem of excessively high temperature caused by insufficient cooling is reduced; at the same time, the inflation bin can also blow away some debris and impurities in the working area, and the problem of affecting processing caused by impurity pollution is reduced.

[0011] Preferably, the side wall of the operation platform is fixedly connected with a second support; the middle of the second support is fixedly connected with a collection bin; the end of the collection bin is fixedly connected with a collection net; through the arrangement of the collection bin, the debris blown away by the inflation bin is collected and treated, the problem of pollution of the working area caused by the floating of the debris is reduced, and subsequent treatment is facilitated.

[0012] Preferably, the inner side wall of the collection bin is fixedly connected with two net plates; the net plates are arc-shaped; through the arrangement of the net plates, the debris in the collection bin is prevented from sliding down to the calender roll, and the problem of secondary pollution of the working area caused by the sliding down of the debris is reduced.

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

[0014] 1. The PVC film calender roll cooling device, through the arrangement of the first baffle and the second baffle, the flow speed of the water flow in the calender roll is slowed down, the residence time of the water flow in the calender roll is increased, so that the water flow can more fully cool the calender roll, and the damage to the PVC film and the machine caused by excessively high temperature is reduced; at the same time, the problem of shaking of the calender roll caused by excessively fast water flow speed is also reduced.

[0015] 2.The PVC film calender roll cooling device, through the setting of the scraper, can scrape off the impurities, water stains and the like remaining on the inner side wall of the calender roll, reduces the mechanical jamming problem caused by the impurity residues; meanwhile, through the passive stirring of the water flow in the calender roll by the scraper, the cooling of the water flow to the calender roll is more sufficient, and the problem of excessively high temperature caused by insufficient cooling is reduced. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 1 is the perspective view of the utility model;

[0018] Figure 2 is the structure schematic view of the calender roll in the utility model;

[0019] Figure 3 is the structure schematic view of the water cooling system in the utility model;

[0020] Figure 4 is the structure schematic view of the scraper in the utility model;

[0021] Figure 5 is the structure schematic view of the inflation bin in the utility model;

[0022] Figure 6 is the structure schematic view of the collection bin in the utility model;

[0023] In the drawing: 1, operation platform;11, first support;12, lifting eye;13, calender roll;14, motor;15, first gear;16, second gear;17, shaft seal ring;18, water inlet pipe;19, water outlet pipe;110, first baffle;111, second baffle;2, fixed seat;21, rubber stick;22, scraper;3, flow guide block;4, inflation bin;41, air inlet pipe;42, exhaust hole;5, second support;51, collection bin;52, collection net;6, mesh plate. DETAILED DESCRIPTION

[0024] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described in combination with specific implementation manners.

[0025] For example, Figures 1 to 3As shown, the utility model discloses a PVC film calendering roller cooling device, including operation platform 1, the first support 11 is fixedly connected to operation platform 1 top, two lifting rings 12 are fixedly connected in the middle part of first support 11, the calendering roller 13 is rotatably connected in the middle part of lifting ring 12, the motor 14 is fixedly connected to the bottom of lifting ring 12, the first gear 15 is fixedly connected to the output end of motor 14, the second gear 16 is fixedly connected to the end of calendering roller 13, the first gear 15 and second gear 16 are mutually meshed arrangement, two shaft seal rings 17 are rotatably connected to the end of calendering roller 13, the calendering roller 13 is axially connected with shaft seal ring 17, the water inlet pipe 18 is communicated with the end of shaft seal ring 17, the water outlet pipe 19 is communicated with the end of shaft seal ring 17 away from water inlet pipe 18, and water outlet pipe 19 and shaft seal ring 17 are mutually communicated arrangement, a plurality of first baffle 110 are fixedly connected to the inner side wall of calendering roller 13, a plurality of second baffle 111 are fixedly connected to the inner side wall of calendering roller 13, the first baffle 110 and second baffle 111 are staggered arrangement, when working, open motor 14, drive calendering roller 13 to rotate through first gear 15 and second gear 16, and the PVC film needed to be processed is calendered, at this time, water inlet pipe 18 is connected to water pump, and water flows into the inside of calendering roller 13 through water inlet pipe 18, and is discharged by water outlet pipe 19, when water flow enters the inside of calendering roller 13, first baffle 110 and second baffle 111 will block water flow, increase the residence time of water flow in the inside of calendering roller 13, slow down the flow speed of water flow in the inside of calendering roller 13 through the setting of first baffle 110 and second baffle 111, increase the residence time of water flow in the inside of calendering roller 13, so that water flow can cool calendering roller 13 more fully, reduce the damage to PVC film and machinery due to temperature being too high, and simultaneously, also reduce the problem that calendering roller 13 shakes due to water flow being too fast.

[0026] As Figures 3 to 4 As shown, the inner side wall of shaft seal ring 17 is fixedly connected with fixed seat 2, the end of fixed seat 2 is fixedly connected with rubber stick 21, a plurality of scrapers 22 are fixedly connected to the side wall of rubber stick 21, the scrapers 22 are arranged in the gap between the first baffle 110 and the second baffle 111, when the calendering roller 13 rotates, the fixed seat 2 is in a fixed state, the scrapers 22 can scrape off the impurities, water stains and the like remaining on the inner side wall of the calendering roller 13, at the same time, the scrapers 22 also passively stir the water flow in the calendering roller 13, so that the water flow cools the calendering roller 13 more fully, through the setting of the scrapers 22, the impurities, water stains and the like remaining on the inner side wall of the calendering roller 13 can be scraped off, so that the problem of mechanical blockage caused by impurities remaining is reduced, at the same time, through the passive stirring of the scrapers 22 to the water flow in the calendering roller 13, the water flow cools the calendering roller 13 more fully, so that the problem of temperature being too high caused by insufficient cooling is reduced.

[0027] AsFigure 3 As shown in the figure, the rubber rod 21 is fixed in the middle of the flow guide block 3; the flow guide block 3 is located near the water inlet pipe 18 side; the flow guide block 3 is arc-shaped rubber; when the water flow enters the calender roll 13 through the water inlet pipe 18, the flow guide block 3 will guide the water flow, so that the water flow is more dispersed into the inside of the calender roll 13; through the setting of the flow guide block 3, the water flow can be more dispersed into the inside of the calender roll 13, increasing the contact time of the water flow with the inner wall of the calender roll 13, improving the cooling efficiency. At the same time, the arc-shaped setting of the flow guide block 3 can better guide the water flow; the rubber material can work in water for a long time without replacement.

[0028] As shown in the figure, Figure 5 The operation platform 1 is fixed on the top of the air charging bin 4; the air charging bin 4 is communicated with the air inlet pipe 41 on the side wall; a plurality of air exhaust holes 42 are formed in the side wall of the air charging bin 4; during operation, the air pump is connected to the air inlet pipe 41, and the gas enters the inside of the air charging bin 4 through the air inlet pipe 41 and is discharged from the air exhaust hole 42, so as to blow and cool the calender roll 13; at the same time, the blown gas can also blow off the residual part of the debris and impurities on the outer side wall of the calender roll 13; through the setting of the air charging bin 4, the calender roll 13 can be secondarily cooled on the basis of the water cooling system, the cooling efficiency is improved, and the problem of too high temperature caused by insufficient cooling is reduced; at the same time, the blowing of the air charging bin 4 to the working area can also blow off part of the debris and impurities, reducing the problem of affecting processing caused by impurity pollution.

[0029] As shown in the figure, Figure 1 and Figure 6 The second support 5 is fixed on the side wall of the operation platform 1; the second support 5 is fixed in the middle of the collecting bin 51; the collecting bin 51 is fixed at the end of the collecting net 52; when the air charging bin 4 blows the calender roll 13, part of the debris and impurities will be blown into the inside of the collecting bin 51, at which time the collecting net 52 will collect and process them; through the setting of the collecting bin 51, the debris blown off by the air charging bin 4 is collected and processed, reducing the problem of working area pollution caused by debris floating, and facilitating subsequent processing.

[0030] As shown in the figure, Figure 1 and Figure 6 The two net plates 6 are fixed on the inner side wall of the collecting bin 51; the net plate 6 is arc-shaped; when the collecting bin 51 collects the debris, part of the debris may slide along the inner side wall of the collecting bin 51 to the calender roll 13, at which time the net plate 6 will block the debris from sliding down, leaving the debris inside the collecting bin 51 for subsequent processing; through the setting of the net plate 6, the debris inside the collecting bin 51 is blocked from sliding down to the calender roll 13, reducing the problem of secondary pollution of the working area caused by debris sliding down.

[0031] Working principle: when working, the motor 14 is turned on, the calendering roller 13 is driven to rotate by the first gear 15 and the second gear 16, and the required PVC film is calendered; at this time, the water inlet pipe 18 is connected to the water pump, so that the water flows into the calendering roller 13 through the water inlet pipe 18 and is discharged from the water outlet pipe 19; when the water flows into the calendering roller 13, the first baffle 110 and the second baffle 111 will block the water flow, increasing the residence time of the water flow in the calendering roller 13; when the calendering roller 13 rotates, the fixed seat 2 is in a fixed state, and the scraper 22 can scrape off the impurities, water stains and the like remaining on the inner wall of the calendering roller 13, and at the same time, the scraper 22 can also passively stir the water flow in the calendering roller 13, so that the water flow can cool the calendering roller 13 more fully; when the water flow enters the calendering roller 13 through the water inlet pipe 18, the flow guide block 3 can guide the water flow, so that the water flow can enter the calendering roller 13 more dispersedly; when working, the air pump is connected to the air inlet pipe 41, the gas enters the air charging bin 4 through the air inlet pipe 41 and is discharged from the air exhaust hole 42, and the calendering roller 13 is cooled by blowing; at the same time, the blown gas can also blow off part of the debris and impurities remaining on the outer wall of the calendering roller 13; when the air charging bin 4 blows the calendering roller 13, part of the debris and impurities will be blown into the collecting bin 51, and at this time the collecting net 52 can collect and process them; when the collecting bin 51 collects the debris, part of the debris may slide down the calendering roller 13 along the inner wall of the collecting bin 51, and at this time the mesh plate 6 can block the debris from sliding down and keep the debris in the collecting bin 51, so as to facilitate subsequent processing.

[0032] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to 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 claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A PVC film calender roll cooling device characterized by: The utility model provides an operation platform (1), the operation platform (1) top is fixed with first support (11), two lifting lugs (12) are fixed in the middle of first support (11), the pressure roll (13) is rotatably connected in the middle of lifting lug (12), the motor (14) is fixed in the bottom of lifting lug (12), the first gear (15) is fixed in the output of motor (14), the second gear (16) is fixed in the end of pressure roll (13), the first gear (15) and second gear (16) are mutually meshed, two shaft sealing rings (17) are rotatably connected in the end of pressure roll (13), the pressure roll (13) and shaft sealing ring (17) are shaft seal connections, the water inlet pipe (18) is communicated in the end of shaft sealing ring (17), the water outlet pipe (19) is fixed in the end away from water inlet pipe (18) of shaft sealing ring (17), and the water outlet pipe (19) and shaft sealing ring (17) are mutually communicated, a plurality of first baffle (110) are fixed in the inner side wall of pressure roll (13), a plurality of second baffle (111) are fixed in the inner side wall of pressure roll (13), the first baffle (110) and second baffle (111) are staggered.

2. The PVC film calender roll cooling device according to claim 1, characterized in that: The inner side wall of shaft sealing ring (17) is fixed with fixed seat (2), the end of fixed seat (2) is fixed with rubber stick (21), a plurality of scrapers (22) are fixed in the side wall of rubber stick (21), the scraper (22) is arranged in the gap between the first baffle (110) and the second baffle (111).

3. The PVC film calender roll cooling device according to claim 2, characterized in that: The middle of rubber stick (21) is fixed with flow guide block (3), the flow guide block (3) is arranged on the side close to water inlet pipe (18), the flow guide block (3) is arc-shaped rubber.

4. The PVC film calender roll cooling device according to claim 3, characterized in that: The top of operation platform (1) is fixed with inflatable bin (4), the side wall of inflatable bin (4) is communicated with air inlet pipe (41), a plurality of air outlet holes (42) are formed in the side wall of inflatable bin (4).

5. The PVC film calender roll cooling device according to claim 4, characterized in that: The side wall of operation platform (1) is fixed with second support (5), the middle of second support (5) is fixed with collection bin (51), the end of collection bin (51) is fixed with collection net (52).

6. The PVC film calender roll cooling device according to claim 5, characterized in that: The inner side wall of collection bin (51) is fixed with two net plates (6), the net plate (6) is arc-shaped.

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