Plastic plate extruding, cooling and shaping device

Abstract

The utility model is suitable for the technical field of plastic plate processing, and provides a plastic plate extruding, cooling and shaping device which comprises an extruder and a cooling bin, the cooling bin is located on the rear side of the extruder, and the top of the cooling bin is open. And first guide rollers used for assisting in guiding the plastic plates are rotationally arranged on the rear side of the extruder and located on the front side and the rear side of the cooling bin. According to the plastic plate extruding, cooling and shaping device, under pushing of the extruder, a plastic plate enters the cooling bin, then the square frame is attached to the surface of the plastic plate, then the spraying head sprays water into the square frame, cooling water can remain on the plate for a period of time, and meanwhile the cooling water can slowly flow out of the water outlet; after the plastic plates move to the outside of the cooling bin, the fan is started, generated airflow blows to the surfaces of the plates, then the wiping cotton is controlled to make contact with the surfaces of the plates and wipe the surfaces of the plates, the cooling efficiency of the plastic plates is improved, the retention time of the plastic plates in the cooling bin is shortened, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of plastic plate processing, especially relates to a plastic plate extrusion cooling and shaping device. BACKGROUND

[0002] The forming of plastic plate is mainly based on the heat plasticity and cooling solidification principle of plastic, in the extrusion process, the molten plastic is extruded into continuous products with specific cross section shape through the mold, then the products enter the cooling and shaping device, and are rapidly cooled and solidified under the action of the coolant, so that the required cross section shape and dimensional accuracy are maintained.

[0003] The existing plastic plate technology cooling and shaping device usually adopts the simple water bath mode for cooling after extrusion, but the plastic plate that walks backward can only contact water for a period of time, and the cooling effect of the plastic plate cannot be ensured, or the plastic plate needs to be left for a period of time for long time cooling through the water bath mode, so as to take away the heat and achieve the purpose of cooling and solidification, but this mode needs to consume a large amount of time, so that the energy consumption is high and the production efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model provides a plastic plate extrusion cooling and shaping device, which aims at solving the problems that the plastic plate that walks backward can only contact water for a period of time and the plastic plate needs to be left for a period of time for long time cooling through the water bath mode.

[0005] The utility model is realized in this way, a plastic plate extrusion cooling and shaping device, including extruder and cooling bin, the cooling bin is located at the rear side of the extruder, the top of cooling bin is open, the rear side of the extruder and located the front side and rear side of the cooling bin can rotately be provided with first guide roller for assisting the guidance of plastic plate,

[0006] The front side and rear side of the cooling bin are provided with feed ports, the front side and rear side of the inner cavity of the cooling bin are horizontally provided with two symmetrical second guide rollers, the inner cavity of the cooling bin and between the two second guide rollers are provided with two symmetrical spray discs for cooling the plastic plate, the bottom of each spray disc is provided with a plurality of spray heads for cooling the plastic plate, the inner cavity of the cooling bin is provided with a square frame that is in close contact with the plastic plate and can be lifted and lowered, the spray disc is located in the square frame, a plurality of water outlets are formed in the middle of the square frame, and the rear side of the cooling bin is provided with wiping cotton for wiping the surface of the plastic plate.

[0007] Preferably, two support rods are vertically arranged on the rear side of the extruder and on the front and rear sides of the cooling bin, a rotating shaft is rotatably arranged between each two support rods, and each first guide roller is fixedly connected to the surface of each rotating shaft.

[0008] Preferably, a water inlet pipe is communicated with the surface of each spray disc, the other end of the water inlet pipe is communicated with an external water pool, a water outlet pipe is arranged on the top of the cooling bin, and a valve is arranged on the surface of the water outlet pipe.

[0009] Preferably, a plurality of first support plates are fixedly connected to the side wall of the cooling bin, a hydraulic oil cylinder is vertically fixedly connected to the front end of each first support plate, a connecting rod is vertically fixedly connected to the bottom of each hydraulic oil cylinder, and the bottom end of each connecting rod is fixedly connected to the top four corners of the square frame.

[0010] Preferably, a second support plate is transversely fixedly connected to the rear side of the cooling bin, an electric telescopic rod is vertically fixedly connected to the rear end of the second support plate, and the upper surface of the wiping cotton is fixedly connected to the bottom end of the electric telescopic rod.

[0011] Preferably, a containing groove is arranged on the front side of the second support plate, and a plurality of fans for blowing dry the surface of the plastic plate are rotatably arranged in the containing groove. Beneficial effects

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] Under the pushing of the extruder, the plastic plate enters the cooling bin, then the square frame is attached to the surface of the plastic plate, then the spray head sprays water into the square frame, the cooling water stays on the plate for a period of time, at the same time, the cooling water slowly flows out of the water outlet, after moving to the outside of the cooling bin, the fan is started, the airflow generated blows to the surface of the plate, then the wiping cotton plate surface is controlled to be contacted and wiped, the cooling efficiency of the plastic plate is improved, the residence time of the plastic plate in the cooling bin is reduced, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a side structure schematic view of the utility model;

[0015] Fig. 2 It is a side sectional structure schematic view in the utility model;

[0016] Fig. 3 It is a cooling bin sectional structure schematic view in the utility model.

[0017] In the figure: 1, extruder; 2, cooling bin; 3, first guide roller; 4, spray head; 5, first support plate; 6, hydraulic oil cylinder; 7, connecting rod; 8, square frame; 9, water outlet; 10, spray disc; 11, water inlet pipe; 12, second guide roller; 13, wiping cotton; 14, second support plate; 15, containing groove; 16, fan; 17, electric telescopic rod; 18, support rod; 19, rotating shaft; 20, water outlet pipe; 21, feed inlet; 22, valve. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a kind of plastic plate extrusion cooling shaping device, including extruder 1 and cooling bin 2, the cooling bin 2 is located in the rear side of the extruder 1, the top of the cooling bin 2 is open, the rear side of the extruder 1 and located the front side and rear side of the cooling bin 2 are rotatably provided with first guide roller 3 for assisting the guidance of plastic plate.

[0020] First guide roller 3 can ensure the stability and flatness of plate during cooling process, prevent plate from deforming due to gravity or internal stress.

[0021] Melted plastic material is heated and plasticized in extruder 1, then is extruded into continuous plate through die, extruded plate advances along the set direction under the action of extruder 1, extruded plate advances along the set direction under the action of extruder 1, extruded plate advances along the set direction under the action of extruder 1.

[0022] The front side and rear side of the cooling bin 2 are provided with feed inlet 21, the front side and rear side of the inner cavity of the cooling bin 2 are rotatably transversely provided with two symmetrical second guide rollers 12, the inner cavity of the cooling bin 2 and located between two second guide rollers 12 are provided with two symmetrical spray discs 10 for cooling plastic plate, the bottom of each spray disc 10 is provided with a plurality of spray heads 4 for cooling plastic plate, the inner cavity of the cooling bin 2 is provided with square frame 8 which is in close contact with plastic plate and can be lifted and lowered, the spray disc 10 is located in square frame 8, a plurality of water outlets 9 are formed in the middle of square frame 8, the rear side of the cooling bin 2 is provided with wiping cotton 13 for wiping the surface of plastic plate.

[0023] In the embodiment, plastic plate enters cooling bin 2 through feed inlet 21, and second guide roller 12 guides its direction of travel.

[0024] The wiping cotton 13 is used for wiping the surface of the plastic plate, removing excess water and impurities, and improving the surface quality of the plastic plate.

[0025] The square frame 8 can be lifted up and down to adapt to different sizes of the plate, and the wiping cotton 13 can also be lifted and adjusted to adapt to different thicknesses of the plate.

[0026] After the plastic plate enters the cooling bin 2, the square frame 8 is driven to be attached to the plastic plate, and then water is sprayed into the square frame 8 through the spray head 4, so that the water remains in the square frame 8. At the same time, the plastic plate can be cooled, and the cooling water can remain on the plastic plate for a period of time, and then slowly flows out through the water outlet 9, thereby improving the cooling efficiency.

[0027] Further, two support rods 18 are vertically arranged on the rear side of the extruder 1 and on the front side and rear side of the cooling bin 2, a rotating shaft 19 is rotatably arranged between each two support rods 18, and each first guide roller 3 is fixedly connected to the surface of each rotating shaft 19.

[0028] In this embodiment, the first guide roller 3 is used to guide the extruded plastic plate into the cooling bin 2 and ensure its stability during the cooling process.

[0029] The first guide roller 3 is fixed on the surface of the rotating shaft 19 and rotates synchronously with the rotating shaft 19. The material of the first guide roller 3 can be metal or rubber, etc. Wear-resistant material, so as to ensure that the friction coefficient between it and the plastic plate is moderate, which can guide the plate without damaging the surface.

[0030] Further, the surface of each of the two spray discs 10 is communicated with a water inlet pipe 11, the other end of the water inlet pipe 11 is communicated with an external water pool, the top of the cooling bin 2 is provided with a water outlet pipe 20, and the surface of the water outlet pipe 20 is provided with a valve 22.

[0031] In this embodiment, the water inlet pipe 11 is provided with a valve 22 for controlling the flow rate, so as to adjust the supply amount of the cooling medium.

[0032] When the liquid level reaches the preset height, the valve 22 is opened, and the excess cooling medium is discharged from the cooling bin 2 through the water outlet pipe 20.

[0033] Further, a plurality of first support plates 5 are fixedly connected to the side wall of the cooling bin 2, the front end of each first support plate 5 is vertically fixedly connected with a hydraulic oil cylinder 6, the bottom of each hydraulic oil cylinder 6 is vertically fixedly connected with a connecting rod 7, and the bottom end of each connecting rod 7 is fixedly connected with the top of the square frame 8.

[0034] In the embodiment, when the square frame 8 needs to be attached to the plastic plate, the piston rod of the hydraulic cylinder 6 is controlled to extend, so that the connecting rod 7 and the square frame 8 are driven to descend together, so that the plastic plate is attached, and when cooling, water can stay on the surface of the plastic plate for a period of time, so that the cooling effect is improved.

[0035] Further, the rear side of the cooling bin 2 is transversely fixedly connected with a second support plate 14, the rear end of the second support plate 14 is vertically fixedly connected with an electric telescopic rod 17, and the upper surface of the wiping cotton 13 is fixedly connected to the bottom end of the electric telescopic rod 17.

[0036] In the embodiment, when the residual substances on the inside of the cooling bin 2 or the surface of the plastic plate need to be wiped, the electric telescopic rod 17 is started to extend to an appropriate position, the electric telescopic rod 17 drives the wiping cotton 13 to descend to the area to be wiped, the residual substances are wiped clean through the contact and friction of the wiping cotton 13 with the wiping surface, after wiping is completed, the electric telescopic rod 17 is shortened to drive the wiping cotton 13 to ascend and leave the wiping area.

[0037] Further, the front side of the second support plate 14 is provided with an accommodating groove 15, and a plurality of fans 16 for blowing dry the surface of the plastic plate are rotatably arranged in the accommodating groove 15.

[0038] In the embodiment, when the residual substances on the inside of the cooling bin 2 or the surface of the plastic plate need to be wiped, the electric telescopic rod 17 is started to extend to an appropriate position, the electric telescopic rod 17 drives the wiping cotton 13 to descend to the area to be wiped, the residual substances are wiped clean through the contact and friction of the wiping cotton 13 with the wiping surface, after wiping is completed, the electric telescopic rod 17 is shortened to drive the wiping cotton 13 to ascend and leave the wiping area.

[0039] The working principle and use process of the utility model are as follows: after the utility model is installed, the molten plastic material is heated and plasticized in the extruder 1, the plasticized material is continuously extruded through a mold to form a plastic plate, the extruded plate is pushed by the extruder 1, the plastic plate enters the cooling bin 2 through the feeding port 21, then the square frame 8 is attached to the surface of the plastic plate, then water is sprayed into the square frame 8 through the spray head 4, the cooling water contacts the plate, and the cooling water stays on the plate for a period of time, then the water slowly flows out through the water outlet 9 in the middle of the square frame 8, when the plastic plate moves to the outside of the cooling bin 2, the fan 16 is started to generate airflow to blow to the surface of the plate, then the electric telescopic rod 17 is started, and the wiping cotton 13 can ascend to an appropriate position to contact and wipe the surface of the plate.

[0040] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A plastic sheet extrusion cooling and shaping device, characterized by: Including extruder (1) and cooling bin (2), the cooling bin (2) is located at the rear side of the extruder (1), the top of the cooling bin (2) is open, the rear side of the extruder (1) and the front side and rear side of the cooling bin (2) are rotatably provided with first guide roller (3) for assisting plastic plate guiding, The front side and rear side of the cooling bin (2) are provided with feed inlet (21), the front side and rear side of the inner cavity of the cooling bin (2) are rotatably transversely provided with two symmetrical second guide rollers (12), the inner cavity of the cooling bin (2) and between the two second guide rollers (12) are provided with two symmetrical spray discs (10), the bottom of each spray disc (10) is provided with a plurality of spray heads (4) for cooling plastic plate, the inner cavity of the cooling bin (2) is provided with a square frame (8) which is in contact with the plastic plate, the spray disc (10) is located in the square frame (8), a plurality of water outlets (9) are formed in the middle of the square frame (8), and the rear side of the cooling bin (2) is provided with a wiping cotton (13) for wiping the surface of the plastic plate.

2. A device for extrusion, cooling and shaping of plastic sheets according to claim 1, characterized in that: The rear side of the extruder (1) and the front side and rear side of the cooling bin (2) are vertically provided with two supporting rods (18), and the rotating shaft (19) is rotatably arranged between every two supporting rods (18), and each first guide roller (3) is fixedly connected to the surface of each rotating shaft (19).

3. The apparatus for extrusion, cooling and shaping of plastic sheets according to claim 1, characterized in that: The surfaces of the two spray discs (10) are communicated with water inlet pipe (11), the other end of the water inlet pipe (11) is communicated with the water pool outside, and the top of the cooling bin (2) is provided with water outlet pipe (20), and the surface of the water outlet pipe (20) is provided with valve (22).

4. The apparatus for extrusion, cooling and shaping of plastic sheets according to claim 1, characterized in that: The side wall of the cooling bin (2) is fixedly connected with a plurality of first supporting plates (5), the front end of each first supporting plate (5) is vertically fixedly connected with a hydraulic oil cylinder (6), the bottom of each hydraulic oil cylinder (6) is vertically fixedly connected with a connecting rod (7), and the bottom end of each connecting rod (7) is fixedly connected with the top of the square frame (8).

5. The apparatus for extrusion, cooling and shaping of plastic sheets according to claim 1, characterized in that: The rear side of the cooling bin (2) is transversely fixedly connected with a second supporting plate (14), the rear end of the second supporting plate (14) is vertically fixedly connected with an electric telescopic rod (17), and the upper surface of the wiping cotton (13) is fixedly connected to the bottom end of the electric telescopic rod (17).

6. A device for extrusion, cooling and shaping of plastic sheets according to claim 5, characterized in that: The front side of the second supporting plate (14) is provided with accommodating groove (15), and a plurality of fans (16) for blowing dry plastic plate surface are rotatably arranged in the accommodating groove (15).

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