CN219027866U

CN219027866U - Casting film production cooling device

Info

Publication number: CN219027866U
Application number: CN202222687294.2U
Authority: CN
Inventors: 张宏辉; 章文忠; 夏志卿
Original assignee: Changzhou Weierfu Sanitary Products Co ltd
Current assignee: Changzhou Weierfu Sanitary Products Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-05-16
Anticipated expiration: 2032-10-12

Abstract

The utility model provides a casting film production cooling device, which comprises a frame and cooling rollers, wherein a casting channel is formed between the two cooling rollers, a double-screw extruder is arranged above the casting channel, a die head at the lower end of the double-screw extruder corresponds to the casting channel, a plurality of compression rollers are sequentially rotatably arranged on the right side of the cooling rollers, two ends of the cooling rollers are respectively provided with a liquid inlet channel and a liquid outlet channel, a plurality of cooling pipes are communicated and shunted between the liquid inlet channel and the liquid outlet channel, the cooling pipes are arranged in the outer edges of the cooling rollers, the openings of the liquid inlet channel and the liquid outlet channel are respectively provided with an adapter, the two adapters are connected through a cooling liquid circulation pipe, and a cold water machine component and a pressurizing pump are arranged on the cooling liquid circulation pipe; the feed liquor passageway of chill roll is used for leading-in coolant liquid, and the coolant liquid carries out even cooling to the chill roll through many cooling tubes of distribution, avoids the surface difference in temperature of chill roll too big, reduces the production quality of curtain coating membrane.

Description

Casting film production cooling device

Technical Field

The utility model relates to the technical field of casting film production equipment, in particular to a casting film production cooling device.

Background

The casting film machine is mainly used for producing casting films, the high-precision electronic ceramic casting machine uses alumina as a main raw material of ceramic casting, firstly, crushed powder, binder, plasticizer, dispersing agent and solvent are mixed to prepare slurry with certain viscosity, the slurry is transported into an extrusion unit for heating and melting, the raw material is extruded to a die head, and then the die head is cooled and formed through a cooling roller.

The calendering cooling device for producing the casting film comprises a frame and cooling rollers with two ends rotatably connected to the frame, wherein the end parts of the cooling rollers are connected with a transmission part, the transmission part is fixed on the frame, a casting channel is formed between the two cooling rollers, the inside of the cooling rollers is hollow, an annular partition plate is arranged in the cooling rollers, and a cooling cavity is formed between the partition plate and a shell of the cooling rollers; a cooling water pipe is arranged in the partition plate, and a plurality of diversion channels are communicated between the cooling cavity and the cooling water pipe; the axis direction at both ends of chill roll is provided with water inlet end and play water end respectively, and water inlet end and condenser tube intercommunication set up, and play water end and cooling chamber intercommunication set up. Has the effect of reducing the temperature difference of each part of the surface of the cooling roller.

The cooling device can reduce the temperature difference effect of the surface of the cooling roller, but has higher use cost, can not recycle the cooling water in the cooling cavity, has uneven temperature distribution on the outer side of the cooling roller, and reduces the production quality and efficiency of the casting film.

The object of the present utility model is to provide a cast film production cooling device to solve the problems mentioned in the background art.

Disclosure of Invention

In order to achieve the above purpose, the utility model provides a casting film production cooling device, which comprises a frame and two cooling rollers rotatably arranged at the top of the frame, wherein a casting channel is formed between the two cooling rollers, a double-screw extruder is arranged above the casting channel, a die head at the lower end of the double-screw extruder corresponds to the casting channel, a plurality of press rollers are sequentially rotatably arranged on the right side of the cooling rollers, a conveying roller is rotatably arranged below a first press roller, the casting film extruded by the die head is in tensioning contact with the surface of the casting film through the press rollers after passing through the casting channel, two ends of the cooling rollers are respectively provided with a liquid inlet channel and a liquid outlet channel, a plurality of cooling pipes are communicated and shunted between the liquid inlet channel and the liquid outlet channel, the cooling pipes are arranged in the outer edges of the cooling rollers, the openings of the liquid inlet channel and the liquid outlet channel are respectively provided with a rotary joint, the two rotary joints are connected through a cooling liquid circulation pipe, and the cooling liquid circulation pipe is provided with a cold water machine component and a pressurizing pump.

Further, a servo motor is arranged on the outer side of the frame, the output end of the servo motor is connected with the conveying rollers, and the output end of the servo motor is connected with the driving end of one of the cooling rollers through a driving belt.

Further, a rubber friction surface is arranged on the contact surface of the conveying roller and the casting film.

Further, the top of frame is equipped with the cold water tank, the inlet tube is connected to one side of cold water tank, and a plurality of atomizer are equipped with to the bottom of cold water tank, the curtain coating membrane between atomizer and the below compression roller corresponds.

Further, a water collecting box is arranged at the bottom of the frame, an opening at the upper part of the water collecting box corresponds to the atomizing nozzle and is arranged below the press roller, and one side of the water collecting box is connected with the collecting pipe.

Furthermore, the water inlet pipe and the collecting pipe are both provided with electric valves, and the cooling liquid circulating pipe is also provided with electric valves.

Compared with the prior art, the utility model has the beneficial effects that:

the die head through twin-screw extruder lower extreme extrudes the curtain coating membrane, and the curtain coating membrane passes through the curtain coating passageway between the chill roll, pass between compression roller and the transfer roller, pass through a plurality of compression rollers after again and roll up it through the coiling mechanism, the feed liquor passageway of chill roll is used for leading-in coolant liquid, the coolant liquid carries out even cooling to the chill roll through a plurality of cooling tubes of distributing, avoid the surperficial difference in temperature of chill roll too big, reduce the production quality of curtain coating membrane, the coolant liquid through the drain passageway gets into in the coolant liquid circulating pipe, the chiller subassembly is used for carrying out cooling treatment once more to the coolant liquid, carry out circulating cooling with the coolant liquid in leading-in the feed liquor passageway through the force (forcing) pump, in order to practice thrift the cooling water resource.

Drawings

FIG. 1 is a schematic view of the internal structure of a frame according to the present utility model;

FIG. 2 is an outboard schematic view of a structural frame of the present utility model;

fig. 3 is a schematic view of the cooling roll structure of the present utility model.

In the figure: 1. a frame; 2. a cooling roller; 3. a twin screw extruder; 4. casting a film; 5. a press roller; 6. a conveying roller; 7. a cold water tank; 8. a water collecting box; 9. a chiller assembly; 21. a liquid inlet channel; 22. a liquid outlet channel; 23. a cooling tube; 24. an adapter; 25. a cooling liquid circulation pipe; 26. a pressurizing pump; 31. a die head; 61. a rubber friction surface; 62. a servo motor; 63. a drive belt; 71. a water inlet pipe; 72. an atomizing nozzle; 81. and (5) collecting pipes.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

The present utility model will be described in further detail with reference to the accompanying drawings.

In a first embodiment, as shown in fig. 1-3, the utility model provides a cooling device for producing a casting film, which comprises a frame 1 and two cooling rollers 2 rotatably arranged at the top of the frame 1, wherein a casting channel is formed between the two cooling rollers 2, a double-screw extruder 3 is arranged above the casting channel, a die head 31 at the lower end of the double-screw extruder 3 corresponds to the casting channel, a plurality of press rollers 5 are rotatably arranged at the right side of the cooling rollers 2 in sequence, a conveying roller 6 is rotatably arranged below a first press roller 5, the casting film 4 extruded by the die head 31 is in tensioning contact with the surface of the casting film 4 through the press rollers 5 after passing through the casting channel, two ends of the cooling rollers 2 are respectively provided with a liquid inlet channel 21 and a liquid outlet channel 22, a plurality of cooling pipes 23 are respectively distributed between the liquid inlet channel 21 and the liquid outlet channel 22, the cooling pipes 23 are arranged in the outer edges of the cooling rollers 2, the openings of the liquid inlet channel 21 and the liquid outlet channel 22 are respectively provided with a switching head 24, the two switching heads 24 are connected through a cooling liquid 25, and a cooling liquid circulating pipe 25 is provided with a cooling pump 26, and a cooling pump assembly is arranged on the cooling pump assembly 25.

The casting film 4 is extruded through the die head 31 at the lower end of the double-screw extruder 3, the casting film 4 passes through the casting channel between the cooling rollers 2, passes through the space between the compression roller 5 and the conveying roller 6, and is wound up through the winding device after passing through the compression rollers 5, the liquid inlet channel 21 of the cooling roller 2 is used for introducing cooling liquid, the cooling liquid uniformly cools the cooling roller 2 through the distributed cooling pipes 23, the surface temperature difference of the cooling roller 2 is prevented from being too large, the production quality of the casting film 4 is reduced, the cooling liquid passing through the liquid outlet channel 22 enters the cooling liquid circulating pipe 25, the chiller component 9 is used for cooling the cooling liquid again, and the cooling liquid is introduced into the liquid inlet channel 21 through the booster pump 26 for circulating cooling, so that the cooling water resource is saved.

As shown in fig. 1-2, a servo motor 62 is mounted on the outer side of the frame 1, an output end of the servo motor 62 is connected with the conveying roller 6, and an output end of the servo motor 62 is connected with a driving end of one of the cooling rollers 2 through a driving belt 63. The contact surface of the transfer roller 6 with the casting film 4 is provided with a rubber friction surface 61.

The conveying roller 6 and the cooling roller 2 are driven to rotate by the servo motor 62, so that the casting film 4 is conveyed, and conveyed to a winding position through the plurality of press rollers 5, and the rubber friction surface 61 is used for increasing the friction force between the conveying roller 6 and the casting film 4.

As shown in fig. 1, the top of the frame 1 is provided with a cold water tank 7, one side of the cold water tank 7 is connected with a water inlet pipe 71, the bottom of the cold water tank 7 is provided with a plurality of atomizing nozzles 72, and the atomizing nozzles 72 correspond to the casting film 4 between the lower press rolls 5.

The cold water in the cold water tank 7 is sprayed to the surface of the casting film 4 through the atomizing nozzle 72 so as to uniformly cool the surface of the casting film 4 and improve the cooling forming effect of the casting film 4.

The bottom of the frame 1 is provided with a water collecting box 8, an upper opening of the water collecting box 8 corresponds to the atomizing nozzle 72 and is arranged below the press roller 5, and one side of the water collecting box 8 is connected with a collecting pipe 81. The water inlet pipe 71 and the collecting pipe 81 are respectively provided with an electric valve.

Mist water on the casting film 4 is collected through the water collecting box 8, so that water resources are conveniently reused, and the production cost is reduced.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims

1. A casting film production cooling device is characterized in that: including frame (1) and rotation locate two chill rolls (2) at frame (1) top, and form the curtain coating passageway between two chill rolls (2), double screw extruder (3) are equipped with to the top of curtain coating passageway, die head (31) and the curtain coating passageway of double screw extruder (3) lower extreme correspond, the right side of chill roll (2) rotates in proper order and is equipped with a plurality of compression rollers (5), and transfer roller (6) are equipped with in the below rotation of first compression roller (5), behind the curtain coating passageway, curtain coating membrane (4) of die head (31) extrusion carries out tensioning contact through the surface of compression roller (5) curtain coating membrane (4), open respectively in both ends of chill roll (2) have feed liquor passageway (21) and play liquid passageway (22), the intercommunication has many reposition of redundant personnel cooling tube (23) between feed liquor passageway (21) and the liquid passageway (22), just in the outer fringe of chill roll (2) is arranged in, and feed liquor passageway (21) and play liquid passageway (22) opening part are equipped with two adapter (24) and are equipped with cooling pump (25) through cooling down between two adapter (25) and cooling pump (25).

2. A cast film production cooling apparatus according to claim 1, wherein: the servo motor (62) is arranged on the outer side of the frame (1), the output end of the servo motor (62) is connected with the conveying roller (6), and the output end of the servo motor (62) is connected with the transmission end of one of the cooling rollers (2) through a transmission belt (63).

3. A cast film production cooling apparatus according to claim 2, wherein: a rubber friction surface (61) is arranged on the contact surface of the conveying roller (6) and the casting film (4).

4. A cast film production cooling apparatus according to claim 1, wherein: the top of frame (1) is equipped with cold water tank (7), inlet tube (71) are connected to one side of cold water tank (7), and a plurality of atomizer (72) are equipped with to the bottom of cold water tank (7), the curtain coating membrane (4) between atomizer (72) and below compression roller (5) correspond.

5. A cast film production cooling apparatus as defined in claim 4, wherein: the bottom of the frame (1) is provided with a water collecting box (8), an upper opening of the water collecting box (8) corresponds to the atomizing nozzle (72), the water collecting box is arranged below the press roller (5), and one side of the water collecting box (8) is connected with a collecting pipe (81).

6. A cast film production cooling apparatus as defined in claim 4, wherein: the water inlet pipe (71) and the collecting pipe (81) are respectively provided with an electric valve, and the cooling liquid circulating pipe (25) is also provided with an electric valve.