CN219191325U

CN219191325U - Cooling extrusion device

Info

Publication number: CN219191325U
Application number: CN202320532288.1U
Authority: CN
Inventors: 周建良
Original assignee: Hangzhou Liangsheng Plastics Co ltd
Current assignee: Hangzhou Liangsheng Plastics Co ltd
Priority date: 2023-03-11
Filing date: 2023-03-11
Publication date: 2023-06-16
Anticipated expiration: 2033-03-11

Abstract

The application relates to a cooling extrusion device, it includes frame, first input wheel roller and second input wheel roller rotate and connect in the frame for carry two-layer PVC membrane respectively, the frame rotates and is connected with cooling wheel roller group and extrusion wheel roller group, extrusion wheel roller group is located between first input wheel roller and the cooling wheel roller for cool off the PVC membrane after the heat glues, is equipped with heating mechanism between extrusion wheel roller group and the second input wheel roller, is used for heating the PVC membrane of first input wheel roller and second input wheel roller. The heating mechanism of this application is located between the two-layer PVC membrane, has promoted the heating effect and the efficiency of waiting to glue gluey PVC membrane widely for the two-layer PVC membrane is heated evenly, reduces double-deck PVC membrane and glues the risk that produces the gap after gluing, has improved double-deck PVC membrane's quality, and the PVC membrane carries out abundant cooling through the cooling roller group and forms reliable and stable bonding structure at last.

Description

Cooling extrusion device

Technical Field

The application relates to the field of PVC membrane processing, in particular to a cooling extrusion device.

Background

The PVC film has the main components of polyvinyl chloride, is slightly yellow and semitransparent, has luster, good flexibility, easy molding, difficult brittleness, no toxicity and no pollution, and can be kept for a long time, thus having wide application. PVC film is also called as decorative film and adhesive film, and is used in building material, package, medicine and other industries.

In actual production, the PVC film is usually of a double-layer or multi-layer structure, and by taking a double-layer film as an example, the two layers of films are heated by equipment to generate viscosity for adhesion, but the surface temperature of the PVC film is uneven, so that the adhesion quality of the double-layer film is reduced, or the double-layer film is not cooled and shaped in time after adhesion to generate wrinkles or separation phenomenon.

Disclosure of Invention

In order to improve the bonding quality of double-layer PVC membrane, this application provides a cooling extrusion device.

The application provides a cooling extrusion device adopts following technical scheme:

the utility model provides a cooling extrusion device, includes frame, first input wheel roller and second input wheel roller, and first input wheel roller and second input wheel roller rotate and connect in the frame for carry two-layer PVC membrane respectively, the frame rotates and is connected with cooling wheel roller group and extrusion wheel roller group, and extrusion wheel roller group is located between first input wheel roller and the cooling wheel roller for cool off the PVC membrane after gluing the heating, is equipped with heating mechanism between extrusion wheel roller group and the second input wheel roller, is used for heating the PVC membrane of first input wheel roller and second input wheel roller.

By adopting the technical scheme, two layers of PVC films to be adhered are respectively output from the first input wheel roller and the second input wheel roller, and the heating mechanism is positioned between the two layers of PVC films, so that the heating effect and efficiency of the PVC films to be adhered are greatly improved; when two-layer PVC membrane is through heating mechanism, heating mechanism can heat two-layer PVC membrane relative wait to glue glutinous side simultaneously to towards extrusion wheel roller detouring, thereby make two-layer PVC membrane glue glutinous one deck PVC membrane that constitutes, thereby make two-layer PVC membrane be heated evenly, reduce the double-deck PVC membrane and glue the risk that produces the gap after gluing, improved the quality of double-deck PVC membrane, the PVC membrane carries out abundant cooling through the cooling roller set and forms reliable and stable bonding structure at last.

Optionally, the extrusion wheel roller comprises a first extrusion wheel roller and a second extrusion wheel roller, the first extrusion wheel roller and the second extrusion wheel roller are both rotationally connected with the frame, and a gap for the PVC film to pass through is reserved between the first extrusion wheel roller and the second extrusion wheel roller.

Through adopting above-mentioned technical scheme, the double-deck PVC membrane after the heating passes the clearance between first extrusion roller and the second extrusion roller simultaneously, and first extrusion roller and second extrusion roller are to double-deck PVC membrane pressurization for the gluey face of double-deck PVC membrane can be abundant bonds, thereby promotes the quality of double-deck PVC membrane.

Optionally, the extrusion wheel roller set top is equipped with constant temperature mechanism, and constant temperature mechanism includes heat preservation cover and thermostatic tube, and the both ends and the frame of heat preservation cover are connected, and the thermostatic tube is installed in the inner wall of heat preservation cover, and the opening of heat preservation cover sets up towards extrusion wheel roller set for keep passing the PVC membrane temperature of extrusion wheel roller set invariable.

Through adopting above-mentioned technical scheme, keep the higher temperature in extrusion wheel roller group place space for the state that the in-process that double-deck PVC membrane extrusion was glued can keep good stickness, alleviates double-deck PVC membrane and glues gluey face cooling rate, thereby further promotes the gluey effect of double-deck PVC membrane.

Optionally, the cooling roller set comprises a plurality of air cooling roller sets, the plurality of air cooling roller sets are all rotationally connected with the frame, an air chamber is arranged in the air cooling roller sets, holes communicated with the air chamber are formed in the circumferential direction of the air cooling roller sets, and the air cooling roller sets are communicated with an air supply assembly for supplying air to the air chamber.

Through adopting above-mentioned technical scheme, accomplish and glue double-deck PVC membrane after gluing and be s shape and walk around the forced air cooling roller in proper order, the air supply subassembly is for supplying cold wind in the forced air cooling roller, cold wind blows towards double-deck PVC membrane in the hole, thereby constitute one deck forced air PVC membrane between forced air cooling roller and double-deck PVC membrane, take away the temperature of PVC membrane, thereby carry out cooling treatment to the PVC membrane, double-deck PVC membrane detours a plurality of forced air cooling roller, thereby carry out quick cooling to double-deck PVC membrane, thereby form reliable and stable bonding structure, reduce double-deck PVC membrane deformation or fold risk under continuous high temperature.

Optionally, the air supply assembly comprises a fan and an air pipe, the fan is arranged on the frame, and the fan is communicated with the air chamber of the air cooling wheel roller through the air pipe.

By adopting the technical scheme, cold air can be provided for each cooling wheel roller through one fan, so that the energy consumption is greatly reduced, and the energy conversion efficiency is improved.

Optionally, the tuber pipe intercommunication has a plurality of solenoid valves, and frame fixedly connected with controller, controller and a plurality of solenoid valves all are connected electrically.

Through adopting above-mentioned technical scheme, the controller can control the switching degree of solenoid valve to control the intake, reduce the too big risk of damaging the PVC membrane that produces of amount of wind, perhaps reduce the too little cooling effect of amount of wind poor PVC membrane and produce the risk of fold.

Optionally, the frame is rotatably connected with a first pre-tightening roller and a second pre-tightening roller, and the first pre-tightening roller and the second pre-tightening roller are positioned on two opposite sides of the heating mechanism.

Through adopting above-mentioned technical scheme, two PVC membranes that wait to heat are close to the side detouring of heating mechanism from the pretension wheel roller for take the heating PVC membrane can be taut when passing through heating mechanism, and it is even to be heated, reduces the PVC membrane because of the uneven low quality area that produces the fold that is heated, has improved the effect that double-deck PVC membrane bonds.

Optionally, the frame is equipped with winding mechanism, and the frame is equipped with motor and wind-up pulley roller, and the wind-up pulley roller rotates in the frame and keeps away from second input wheel roller end, and the output and the wind-up pulley roller of motor are connected.

Through adopting above-mentioned technical scheme, the wind-up pulley roller is walked around to double-deck PVC membrane after the cooling, and the motor drives the wind-up pulley roller and rotates to drive double-deck PVC membrane and last at uniform velocity through heating mechanism, extrusion wheel roller set, cooling wheel roller set, avoid PVC membrane to stop in the continuous heating of heating mechanism department and produce cracked risk.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two layers of PVC films to be adhered are respectively output from the first input wheel roller and the second input wheel roller, and the heating mechanism is positioned between the two layers of PVC films, so that the heating effect and efficiency of the PVC films to be adhered are greatly improved;

2. when two layers of PVC films pass through the heating mechanism, the heating mechanism can heat opposite sides to be adhered of the two layers of PVC films at the same time and detours towards the extrusion roller, so that the two layers of PVC films are adhered to form a layer of PVC film, and the two layers of PVC films are heated uniformly;

3. reduce the risk that produces the gap after the double-deck PVC membrane glues and glues, improved the quality of double-deck PVC membrane, the PVC membrane carries out abundant cooling through cooling wheel roller set at last and forms reliable and stable bonding structure.

Drawings

Fig. 1 is a schematic view of a cooling press apparatus according to the present application.

Fig. 2 is a schematic view of an operation structure of a cooling extrusion apparatus of the present application.

Fig. 3 is a schematic cross-sectional view of a cooling press apparatus according to the present application.

Reference numerals illustrate: 1. a frame; 11. a first pretensioner roller; 12. a second pretensioner roller; 13. a controller; 14. a wind-up wheel roller; 15. a motor; 2. a first input wheel roller; 3. a second input wheel roller; 4. a heating mechanism; 5. a pinch roller set; 51. a first pinch roller; 52. a second pinch roller; 6. a cooling wheel roller set; 61. an air-cooled roller; 611. an air chamber; 612. a hole; 62. an air supply assembly; 621. a blower; 622. an air duct; 623. an electromagnetic valve; 7. a constant temperature mechanism; 71. a thermal insulation cover; 72. a thermostat; 73. a heat preservation groove; 101. PVC film.

Detailed Description

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

The embodiment of the application discloses a cooling extrusion device.

Referring to fig. 1, the cooling extrusion apparatus includes a frame 1, a first input wheel roller 2 and a second input wheel roller 3, the first input wheel roller 2 and the second input wheel roller 3 are rotatably connected with the first input wheel roller 2, the rotation axes of the first input wheel roller 2 and the second input wheel roller 3 are parallel to each other and located on the same vertical plane, and a heating mechanism 4 for heating the PVC film 101 is provided between the first input wheel roller 2 and the second input wheel roller 3. The frame 1 is also rotationally connected with a squeezing roller set 5 and a cooling roller set 6, and the squeezing roller set 5 is positioned between the first input roller 2 and the cooling roller set 6. The PVC film 101 of two-layer is exported from first input roller 2 and second input roller 3 respectively to detour extrusion roller group 5 and cooling roller group 6 piece in proper order simultaneously, make double-deck PVC film 101 after heating can cool off fast and form stable bonding structure.

The two ends of the heating mechanism 4 are fixedly connected with the frame 1, the heating mechanism 4 adopts a resistance ring heater in the embodiment, and the heating mechanism 4 can adopt a ceramic heater or a quartz tube heater in other embodiments.

The frame 1 rotates and is connected with first pretightning wheel roller 11 and second pretightning wheel roller 12, first pretightning wheel roller 11 is located the heating mechanism 4 and is close to first input wheel roller 2 side, second pretightning wheel roller 12 is located the heating mechanism 4 and is close to second input wheel roller 3 side, the PVC membrane 101 of first input wheel roller 2 output is followed first pretightning wheel roller 11 bottom and is bypassed, the PVC membrane 101 of second input wheel roller 3 output is followed second pretightning wheel roller 12 top and is bypassed for heating mechanism 4 can heat the heating surface of both sides PVC membrane 101 simultaneously, production efficiency has been improved greatly.

Referring to fig. 2, the extrusion roller set 5 includes a first extrusion roller 51 and a second extrusion roller 52, both ends of the first extrusion roller 51 and both ends of the second extrusion roller 52 are rotatably connected with the frame 1, the rotation axis of the first extrusion roller 51 and the rotation axis of the second extrusion roller are parallel and located on the same vertical plane, and a gap for the two layers of PVC film 101 to pass through is left between the first extrusion roller 51 and the second extrusion roller 52. The heated PVC film 101 generates viscosity, the two layers of PVC films 101 simultaneously pass through the gap between the first extrusion roller 51 and the second extrusion roller 52, the two layers of PVC films 101 are bonded under pressure, the conditions of generating bubbles and the like between the two layers of PVC films 101 are avoided under the action of pressure, and the bonding quality of the double-layer PVC film 101 is improved.

Referring to fig. 3, the top of the first extrusion roller is provided with a constant temperature mechanism 7, the constant temperature mechanism 7 comprises a heat insulation cover 71 and a thermostat 72, the heat insulation cover 71 is provided with a heat insulation groove 73 with a trapezoid cross section, an opening of the heat insulation cover 71 is arranged towards the extrusion roller set 5, the thermostat 72 is fixedly connected to the inner wall of the heat insulation cover 71, and the thermostat 72 generates heat to slow down the cooling speed of the double-layer PVC film 101 positioned on the extrusion roller set 5, so that the viscosity of the double-layer PVC film 101 during bonding is maintained, and the bonding quality of the double-layer PVC film 101 is improved.

The cooling roller set 6 comprises an air supply assembly 62 and a plurality of air cooling roller 61, wherein in the embodiment, the number of the air cooling roller 61 is three, and the three air cooling roller 61 are sequentially and rotatably connected with the frame 1. Taking one air cooling roller 61 as an example, a hollow air chamber 611 is arranged in the air cooling roller 61, holes 612 communicated with the air chamber 611 are formed in the air cooling roller 61, the holes 612 are distributed in the circumferential direction of the air cooling roller 61 in an array manner, and the adhered double-layer PVC film 101 sequentially bypasses the three air cooling roller 61, so that the temperature of the double-layer PVC film 101 is reduced.

The air supply assembly 62 comprises a fan 621, an air pipe 622 and an electromagnetic valve 623, wherein the fan 621 is fixedly connected with the outer wall of the frame 1, the fan 621 is respectively communicated with the air chambers 611 communicated with the three air cooling wheel rollers 61 through the three air pipes 622, cold air is injected into the air chambers 611, and the cold air passes through the holes 612 to face. It should be noted that, the port of the air duct 622 is fixedly connected with the frame 1, the port of the air-cooled roller 61 is rotatably connected with the frame 1, and the port of the air duct 622 is communicated with but not fixedly connected with the port of the air-cooled roller 61.

The three air pipes 622 are all connected in series with one electromagnetic valve 623, the outer side of the rack 1 is fixedly connected with a controller 13, the controller 13 is electrically connected with the three electromagnetic valves 623 to control the opening and closing degree of the electromagnetic valves 623, thereby controlling the air inlet quantity, reducing the risk of damage to the PVC film 101 caused by overlarge air quantity or reducing the risk of wrinkles generated by the PVC film 101 with poor cooling effect caused by overlarge air quantity.

The frame 1 is equipped with wind-up pulley roller 14 and motor 15, and the shell fixed connection of motor 15 is in frame 1, and the both ends and the frame 1 rotation of wind-up pulley roller 14 are connected, and the output shaft of motor 15 passes frame 1 and with wind-up pulley roller 14 fixed connection, and the double-deck PVC membrane 101 after the cooling detour wind-up pulley roller 14, motor 15 drive wind-up pulley roller 14 at the uniform velocity to drive double-deck PVC membrane 101 and continue to move.

The implementation principle of the embodiment is as follows: the two layers of PVC films 101 to be adhered are respectively output from the first input wheel roller 2 and the second input wheel roller 3, are heated by the heating mechanism 4 to generate adhesion on opposite sides of the two layers of PVC films 101, and pass through a gap between the first extrusion wheel roller 51 and the second extrusion wheel roller 52. The first extrusion roller 51 and the second extrusion roller 52 roll extrusion are used for extruding and bonding the two layers of PVC films 101 together, in the extrusion process, the constant temperature mechanism 7 is used for increasing the temperature near the extrusion roller set 5 and slowing down the cooling speed of the two layers of PVC films 101, so that the two layers of PVC films 101 can keep good viscosity for bonding. The two-layer PVC film 101 after the bonding is completed sequentially goes around the three air-cooled roller 61. The fan 621 injects cold air into the air chamber 611 of the air cooling roller 61 through the air pipe 622 for cooling the double-layer PVC film 101, the cold air passes through the holes 612 to form a side air PVC film 101 between the double-layer PVC film 101 and the air cooling roller 61, and the air of the air PVC film 101 takes away the heat on the surface of the double-layer PVC film 101, so that the effect of quickly cooling the double-layer PVC film 101 is achieved, and the bonding quality of the double-layer PVC film 101 is guaranteed. The motor 15 drives the wind-up roller 14 to rotate, so that the double-layer PVC film 101 is driven to squeeze the roller set 5 and the cooling roller set 6 at a uniform speed through the heating mechanism 4.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A cooling extrusion device, characterized in that: including frame (1), first input wheel roller (2) and second input wheel roller (3) rotate and connect in frame (1) for carry two-layer PVC membrane (101) respectively, frame (1) rotate and be connected with cooling wheel roller set (6) and extrusion wheel roller set (5), extrusion wheel roller set (5) are located between first input wheel roller (2) and cooling wheel roller set (6), are used for cooling down PVC membrane (101) after the heating glues, be equipped with heating mechanism (4) between extrusion wheel roller set (5) and second input wheel roller (3) for PVC membrane (101) of heating first input wheel roller (2) and second input wheel roller (3).

2. The cooling extrusion apparatus of claim 1 wherein: the extrusion wheel roller set (5) comprises a first extrusion wheel roller (51) and a second extrusion wheel roller (52), the first extrusion wheel roller (51) and the second extrusion wheel roller (52) are both rotationally connected with the frame (1), and a gap for a PVC film (101) to pass through is reserved between the first extrusion wheel roller (51) and the second extrusion wheel roller (52).

3. The cooling extrusion apparatus of claim 1 wherein: the utility model discloses a PVC film extrusion roller set, including extrusion roller set (5), extrusion roller set (5) are equipped with constant temperature mechanism (7), constant temperature mechanism (7) are including heat preservation cover (71) and thermostatic tube, the both ends and the frame (1) of heat preservation cover (71) are connected, thermostatic tube installs in the inner wall of heat preservation cover (71), the opening of heat preservation cover (71) sets up towards extrusion roller set (5) for keep passing PVC film (101) temperature constancy of extrusion roller set (5).

4. The cooling extrusion apparatus of claim 1 wherein: the cooling wheel roller set (6) comprises a plurality of air cooling wheel rollers (61), the air cooling wheel rollers (61) are rotationally connected with the frame (1), an air chamber (611) is arranged in the air cooling wheel rollers (61), holes (612) communicated with the air chamber (611) are formed in the circumferential direction of the air cooling wheel rollers (61), and the air cooling wheel rollers (61) are communicated with an air supply assembly (62) for supplying air to the air chamber (611).

5. The cooling extrusion apparatus of claim 4 wherein: the air supply assembly (62) comprises a fan (621) and an air duct (622), the fan (621) is mounted on the frame (1), and the fan (621) is communicated with an air chamber (611) of the air cooling wheel roller (61) through the air duct (622).

6. The cooling extrusion apparatus of claim 5 wherein: the air pipe (622) is communicated with a plurality of electromagnetic valves (623), the frame (1) is fixedly connected with a controller (13), and the controller (13) is electrically connected with the electromagnetic valves (623).

7. The cooling extrusion apparatus of claim 1 wherein: the frame (1) is rotationally connected with a first pre-tightening wheel roller (11) and a second pre-tightening wheel roller (12), and the first pre-tightening wheel roller (11) and the second pre-tightening wheel roller (12) are positioned on two opposite sides of the heating mechanism (4).

8. The cooling extrusion apparatus of claim 2 wherein: the machine frame (1) is provided with a motor (15) and a winding wheel roller (14), the winding wheel roller (14) rotates at the end, far away from the second input wheel roller (3), of the machine frame (1), and the output end of the motor (15) is connected with the winding wheel roller (14).