CN214820144U

CN214820144U - Finished product cooling arrangement is used in plastic film production

Info

Publication number: CN214820144U
Application number: CN202121371994.XU
Authority: CN
Inventors: 周明
Original assignee: Shanghai Yingtai New Material Technology Co ltd
Current assignee: Shanghai Yingtai New Material Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-11-23
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to a mould film production and use finished product cooling arrangement, the field of film cooling technique is moulded in the design of a film, which comprises a frame, the chill roll, first house steward, second house steward and chiller, the chill roll is provided with a plurality of and is parallel to each other, a plurality of chill roll both ends are all rotated through the pivot and are connected in the frame, all be provided with the cavity in a plurality of chill roll, the pivot at chill roll both ends all sets up the logical groove with the cavity intercommunication along the axis direction, chill roll one end is kept away from in a plurality of pivots and all is connected with the pipe through rotary joint, the pipe of a plurality of chill roll one ends all communicates with first house steward, the pipe of the other end all communicates with the second house steward, it has the water pump and is connected with the delivery port of chiller to establish ties on the first house steward, the second house steward is connected with the water inlet of chiller, the cavity intussuseption of chill roll is filled with the coolant liquid, this application has the effect that reduces the wasting of resources.

Description

Finished product cooling arrangement is used in plastic film production

Technical Field

The application relates to the field of plastic film cooling technology, in particular to finished product cooling equipment for plastic film production.

Background

The PVC is a vacuum plastic film essentially, is used for surface layer packaging of various panels, is also called as a decorative film and an adhesive film, and is applied to various industries such as building materials, packaging, medicines and the like; after the plastic film is rolled and formed, the plastic film needs to be cooled to reduce the stress deformation of the plastic film, so that the processing quality of the plastic film is influenced; the common way of cooling the plastic film is to wind the plastic film to a plurality of hollow cooling rollers in sequence, and the cooling rollers are filled with cooling liquid, so as to cool the plastic film.

In view of the above-mentioned related technologies, the inventor believes that the temperature of the cooling liquid after cooling the plastic film is still relatively low, and if the cooling liquid is directly discharged, energy is wasted.

SUMMERY OF THE UTILITY MODEL

In order to realize reducing the extravagant purpose of resource, the application provides a mould membrane production and use finished product cooling arrangement.

The application provides a mould membrane production and use finished product cooling arrangement adopts following technical scheme:

the utility model provides a mould membrane production and use finished product cooling arrangement, includes frame, chill roll, first house steward, second house steward and cold water machine, the chill roll is provided with a plurality of and is parallel to each other, and is a plurality of the chill roll both ends are all rotated through the pivot and are connected in the frame, and are a plurality of all be provided with the cavity in the chill roll, the pivot at chill roll both ends is followed the axis direction and is all seted up the logical groove with the cavity intercommunication, and is a plurality of chill roll one end is kept away from in the pivot all is connected with the pipe through rotary joint, and is a plurality of the pipe of chill roll one end all communicates with first house steward, and the pipe of the other end all communicates with the second house steward, it has the water pump and is connected with the delivery port of cold water machine to establish ties on the first house steward, the second house steward is connected with the water inlet of cold water machine, the cavity intussuseption of chill roll is filled with the coolant liquid.

Through adopting above-mentioned technical scheme, the cold water machine is cooled down to the coolant liquid that gets into its inside, under the effect of water pump, the coolant liquid after being cooled down gets into each pipeline through first house steward, and flow into the heat of the interior absorption plastic film of corresponding chill roll, the coolant liquid of newly adding will contain thermal coolant liquid extrusion chill roll, and the pipe through the chill roll other end is gathered into second house steward and is reentrant cold water machine and cool down, form reciprocating circulation's cooling system, because the temperature that contains thermal coolant liquid still is less than the normal atmospheric temperature, can let in the chill roll after its cooling once more, thereby realize reducing the purpose of wasting of resources.

Optionally, a sleeve is fixedly connected in the cavity of the cooling roller, and a gap is reserved between the sleeve and the cooling roller.

Through adopting above-mentioned technical scheme, the coolant liquid flows through from the space between chill roll and the sleeve, reduces chill roll cooling liquid content, reduces the energy consumption on the one hand, and on the other hand reduces the coolant liquid quantity to reduce cost.

Optionally, two ends of the sleeve are closed, the outer circumferential surface of the sleeve is fixedly connected with helical blades, and the helical blades are fixedly connected with the inner side wall of the cooling roller.

By adopting the technical scheme, the cooling liquid can flow through all positions of the cooling roller under the guiding action of the spiral blades, the staying time of the cooling liquid in the cooling roller is prolonged, and the effect of absorbing the heat energy of the plastic film by the cooling liquid is improved.

Optionally, the first manifold, the second manifold, and each conduit are coated with a layer of insulation mat.

By adopting the technical scheme, the condition that the cooling liquid absorbs external heat in the circulating process is reduced, so that the cooling water is in a low-temperature state, and the cooling effect of the equipment is favorably improved.

Optionally, the guide pipes at one ends of the cooling rollers are provided with thermometers, and the thermometers are inserted into the guide pipes and are in contact with the cooling liquid.

Through adopting above-mentioned technical scheme, the temperature of control chill roll discharge coolant liquid constantly, according to this temperature regulation cold water machine to the temperature of coolant liquid, guarantee the cooling effect of this equipment to moulding the membrane.

Optionally, the cooling roller includes a roller body and an end cover, the rotating shaft is coaxially connected to the end cover, a slot is formed in one side of the end cover, which faces the roller body, the roller body is inserted into the slot, and the end cover is fixed to the roller body through a plurality of screws.

Through adopting above-mentioned technical scheme, realize dismantling of chill roll, make things convenient for the operator to its maintenance and change.

Optionally, a plurality of clamping blocks are fixedly connected in the slots of the end covers, and a plurality of clamping grooves for clamping the clamping blocks are formed in the roller body.

Through adopting above-mentioned technical scheme, reduce the screw and bear the power along the roll body circumferencial direction, improve the connection stability between end cover and the roll body.

Optionally, a plurality of guide pipes at one end of the cooling roller are all connected in series with a throttle valve.

Through adopting above-mentioned technical scheme, through throttle valve control cooling liquid in the cooling roller circulation speed.

In summary, the present application includes at least one of the following beneficial technical effects: the water pump drives the coolant liquid circulation flow, sends into the cold water machine with the coolant liquid that does not reach the normal atmospheric temperature in the chill roll and lowers the temperature once more, lets in the chill roll with the coolant liquid after cooling once more to realize reducing the extravagant purpose of resource.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a sectional view of an embodiment of the present application for embodying a helical blade.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a frame; 2. a cooling roll; 21. a roller body; 211. a sleeve; 212. a helical blade; 22. an end cap; 221. a slot; 222. a screw; 223. a clamping block; 224. a clamping groove; 23. a rotating shaft; 24. a cavity; 25. a through groove; 3. a water chiller; 31. a water outlet; 32. a water inlet; 4. a rotary joint; 41. a first header pipe; 42. a second manifold; 43. a conduit; 44. a heat insulating pad; 5. a water pump; 6. a thermometer; 7. a throttle valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses mould membrane production and use finished product cooling arrangement. As shown in figure 1, the finished product cooling device for plastic film production comprises a rack 1 arranged on the ground, wherein three cooling rollers 2 which are parallel to each other are arranged in the rack 1, the three cooling rollers 2 are arranged in a delta shape, and the length direction of each cooling roller 2 is parallel to the length direction of the rack 1.

As shown in fig. 2 and 3, the cooling roll 2 includes a roll body 21 and end caps 22 provided at both ends of the roll body 21, a cavity 24 is provided in the roll body 21, the cavity 24 is open along the axial direction of the roller body 21, the two end covers 22 are provided with slots 221 for inserting the roller body 21 at positions corresponding to the roller body 21, the side wall of the slot 221 is fixedly connected with a plurality of clamping blocks 223 along the circumferential direction, the roller body 21 is provided with clamping grooves 224 for clamping the clamping blocks 223 at positions corresponding to the clamping blocks 223, and the clamping grooves 224 are opened toward one end of the end cover 22, a plurality of screws 222 are threadedly connected to the outer circumferential surface of each end cover 22, the plurality of screws 222 are uniformly distributed along the circumferential direction of the end cover 22, one ends of the plurality of screws 222 screwed into the end cover 22 are inserted into the roller body 21, one end of each end cover 22, which is far away from the roller body 21, is coaxially connected with a rotating shaft 23, the rotating shaft 23 is provided with a through groove 25 along the axial direction thereof, and the through groove 25 is communicated with the cavity 24; realize that chill roll 2 can dismantle, make things convenient for the operator to clear up and maintain 2 insides of chill roll.

The cavity 24 of the roller body 21 is internally provided with a sleeve 211 with the axis direction parallel to the axis direction of the roller body 21, two ends of the sleeve 211 in the axial direction are closed, the length direction of the sleeve 211 is smaller than that of the roller body 21, the outer diameter of the sleeve 211 is smaller than the inner diameter of the roller body 21, helical blades 212 are arranged between the outer circumferential surface of the sleeve 211 and the inner circumferential surface of the roller body 21, the helical blades 212 are simultaneously fixed with the roller body 21 and the sleeve 211, cooling liquid is filled between the cooling roller 2 and the sleeve 211, and the cooling liquid flows through various positions of the cooling roller 2 through helical channels, so that the cooling effect of the cooling liquid on a plastic film is improved.

As fig. 1, equal three L shape extension boards of fixedly connected with on two inside walls of frame 1 along length direction, and the extension board position corresponds with cooling roller 2 position, the pivot 23 of cooling roller 2 tip passes through the bearing and rotates the connection on the extension board, each pivot 23 is kept away from roll body 21 one end and is all connected with pipe 43 through rotary joint 4, and each pipe 43 is the hard pipe, each pipe 43 all passes frame 1 lateral wall and with frame 1 fixed connection, all downwardly extending behind each pipe 43 extension frame 1 lateral wall, the three pipe 43 that is located frame 1 one side is kept away from cooling roller 2 one end and is connected with first house steward 41, the three pipe 43 that is located frame 1 opposite side is kept away from cooling roller 2 one end and is connected with second house steward 42.

The three guide pipes 43 connected with the first main pipe 41 are all connected in series with a throttle valve 7, so that the flow speed of cooling liquid in each cooling roller 2 can be conveniently controlled, the thermometer 6 is inserted into each guide pipe 43 connected with the second main pipe 42, the thermometer 6 is inserted into one end of each guide pipe 43 and is contacted with the cooling liquid, the first main pipe 41 and the second main pipe 42 are hoses, one ends of the first main pipe 41 and the second main pipe 42, which are far away from the cooling rollers 2, are connected with the water cooler 3, the water pump 5 is connected in series with the first main pipe 41, one end of the first main pipe 41, which is far away from the cooling rollers 2, is connected with the water outlet 31 of the water cooler 3, and one end of the second main pipe 42, which is far away from the cooling rollers 2, is connected with the water outlet 32 of the water cooler 3; the water pump 5 sends the cooled cooling liquid to each cooling roller 2, and the cooling liquid with heat flows back to the water cooler 3 for cooling, so as to form a cooling system which is in circulating reciprocating.

The first manifold 41, the second manifold 42, and the conduits 43 are all covered with a layer of heat insulation pad 44, and the heat insulation pad 44 may be made of aluminum foil heat insulation cotton, ceramic fiber cotton, high silicon cotton, or the like.

The implementation principle of the embodiment of the application is as follows: an operator sequentially winds the plastic film on the three cooling rollers 2, then starts the water cooler 3 to cool the cooling liquid in the water cooler 3, starts the water pump 5 to enable the cooling liquid to start to circularly flow, sends the cooled cooling liquid into the cooling rollers 2 and absorbs the heat of the plastic film in a heat transfer mode; an operator adjusts the cooling efficiency of the water chiller 3 to the cooling liquid by observing the numerical value of the thermometer 6, and controls the flow speed of the cooling liquid by adjusting each throttle valve 7, so that the cooling roller 2 achieves the optimal cooling effect; through the reciprocating circulation of coolant liquid, send into cold water machine 3 with thermal coolant liquid and cool down once more, because the temperature that has thermal coolant liquid is less than the normal atmospheric temperature, can let in chill roll 2 after cooling it once more to the wasting of resources has been reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mould membrane production and use finished product cooling arrangement which characterized in that: comprises a rack (1), a cooling roller (2), a first header pipe (41), a second header pipe (42) and a water chiller (3), wherein the cooling roller (2) is provided with a plurality of cooling rollers which are parallel to each other, the two ends of each cooling roller (2) are rotatably connected to the rack (1) through rotating shafts (23), a plurality of cavities (24) are arranged in the cooling rollers (2), the rotating shafts (23) at the two ends of the cooling rollers (2) are respectively provided with a through groove (25) communicated with the cavities (24) along the axial direction, one ends of the rotating shafts (23) far away from the cooling rollers (2) are respectively connected with a guide pipe (43) through a rotary joint (4), the guide pipes (43) at one end of each cooling roller (2) are respectively communicated with the first header pipe (41), the guide pipes (43) at the other end are respectively communicated with the second header pipe (42), a water pump (5) is connected to the first header pipe (41) in series and is connected with a water outlet (31) of the water chiller (3), the second header pipe (42) is connected with a water inlet (32) of the water cooler (3), and a cavity (24) of the cooling roller (2) is filled with cooling liquid.

2. The finished product cooling device for plastic film production as claimed in claim 1, wherein: a sleeve (211) is fixedly connected in the cavity (24) of the cooling roller (2), and a gap is reserved between the sleeve (211) and the cooling roller (2).

3. The finished product cooling device for plastic film production as claimed in claim 2, wherein: the two ends of the sleeve (211) are closed, the outer circumferential surface of the sleeve (211) is fixedly connected with helical blades (212), and the helical blades (212) are fixedly connected with the inner side wall of the cooling roller (2).

4. The finished product cooling device for plastic film production as claimed in claim 3, wherein: the first manifold (41), the second manifold (42) and the conduits (43) are each coated with a layer of insulation blanket (44).

5. The finished product cooling device for plastic film production as claimed in claim 1, wherein: the guide pipes (43) at one ends of the cooling rollers (2) are respectively provided with a thermometer (6), and the thermometers (6) are inserted into the guide pipes (43) and are in contact with the cooling liquid.

6. The finished product cooling device for plastic film production as claimed in claim 1, wherein: the cooling roller (2) comprises a roller body (21) and an end cover (22), the rotating shaft (23) is coaxially connected onto the end cover (22), the end cover (22) faces one side of the roller body (21) and is provided with a slot (221), the roller body (21) is inserted into the slot (221), and the end cover (22) is fixed with the roller body (21) through a plurality of screws (222).

7. The finished product cooling device for plastic film production as claimed in claim 6, wherein: a plurality of clamping blocks (223) are fixedly connected in the slots (221) of the end cover (22), and a plurality of clamping grooves (224) for clamping the clamping blocks (223) are formed in the roller body (21).

8. The finished product cooling device for plastic film production as claimed in claim 1, wherein: and throttle valves (7) are connected in series on the guide pipes (43) at one ends of the cooling rollers (2).