Extruding machine for EVA (ethylene-vinyl acetate) sheets

Abstract

The utility model discloses an extruder for EVA (Ethylene Vinyl Acetate) sheets, which belongs to the technical field of extruders, and comprises an extruder body, a connecting roller frame is arranged above the extruder body, a pair of support frames is fixedly connected above the extruder body, the side walls of the support frames are fixedly connected with connecting plates, and the connecting plates are fixedly connected with the connecting roller frame. A pair of threaded rods are in threaded connection with the inner side wall of the connecting plate, a connecting column is rotatably connected to the bottom of the outer side wall of each threaded rod, a sliding rod is fixedly connected to the outer side wall of each connecting column, a connecting sleeve column is slidably connected to the outer side wall of each sliding rod, a supporting plate is fixedly connected to the bottom of the outer side wall of each connecting sleeve column, and a connecting box is in sliding contact with the inner side wall of each supporting plate; and a wiping plate is fixedly connected to the bottom of the outer side wall of the connecting box, by arranging the threaded rod and the wiping plate, a worker can conduct adjustment according to the thickness of a sheet, materials of different thicknesses can be wiped through the equipment, and the situation that the surfaces of the formed materials are stained due to adhesion of dust and impurities is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to extruder technical field, concretely is extruder for EVA sheet. BACKGROUND

[0002] EVA sheet is a kind of high molecular material sheet made of ethylene-vinyl acetate copolymer as main raw material, with multiple excellent properties, widely used in multiple fields, and EVA sheet extruder is the key equipment for producing EVA sheet, and its principle is that extrusion screw rotates, first mixes and extrudes molten raw material, then extrudes the molten EVA raw material through extrusion die, to form continuous sheet.

[0003] In the production process, due to the production environment, the area of continuous sheet paving is large, and dust and impurities in the air are easily adsorbed on the formed sheet, which will be brought together with these dust and impurities when the sheet is stacked subsequently, and these dust and impurities will pollute the surface of the material.

[0004] Therefore, the utility model provides extruder for EVA sheet to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model provides extruder for EVA sheet, aims at solving the problems proposed in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] As a preferred technical scheme of the present application, a pair of supporting frames are fixedly connected above the extruder body, a connecting plate is fixedly connected to the side wall of the supporting frame, a pair of threaded rods are threadedly connected to the inner side wall of the connecting plate, a connecting column is rotatably connected to the bottom of the outer side wall of the threaded rod, a sliding rod is fixedly connected to the outer side wall of the connecting column, a connecting sleeve column is slidingly connected to the outer side wall of the sliding rod, a supporting plate is fixedly connected to the bottom of the outer side wall of the connecting sleeve column, a connecting box is slidingly connected to the inner side wall of the supporting plate, a wiping plate is fixedly connected to the bottom of the outer side wall of the connecting box, a pair of first springs are fixedly connected to the top of the outer side wall of the supporting plate, and a connecting plate is fixedly connected to the top of the outer side wall of the first spring.

[0008] As a preferred technical scheme of the present application, a limiting strip is fixedly connected to the outer side wall of the supporting plate, a contact plate is slidingly connected to the outer side wall of the limiting strip, a chamfer is formed in the side wall of the contact plate, a second spring is fixedly connected to the side wall of the supporting plate, a limiting strip is fixedly connected to the side wall of the second spring, a supporting block is fixedly connected to the side wall of the supporting plate, a limiting strip is fixedly connected to the top of the outer side wall of the supporting block, the contact plate is in contact with the supporting block, and the contact plate is in contact with the connecting box.

[0009] As one preferred technical scheme of the present application, the outer side wall top of the support plate is fixedly connected with a water inlet pipe, the outer side wall of the water inlet pipe is in sliding contact with a connecting plate, the outer side wall bottom of the connecting box is provided with a plurality of water seepage holes, the side wall of the support plate is provided with a water inlet hole, and the water inlet hole is arranged below the water inlet pipe.

[0010] As one preferred technical scheme of the present application, the outer side wall top of the connecting plate is fixedly connected with a pair of fixing rings, the inner side wall of the fixing ring is fixedly connected with a plurality of bristles, and the bristles are in contact with the threaded rod.

[0011] As one preferred technical scheme of the present application, the side wall of the connecting box is fixedly connected with a contact block.

[0012] As one preferred technical scheme of the present application, the side wall of the contact plate is fixedly connected with a pull ring.

[0013] As one preferred technical scheme of the present application, the outer side wall of the water inlet pipe is threadedly connected with a sealing cover, and the sealing cover can be separated from the water inlet pipe.

[0014] The threaded rod and the wiping plate are arranged, so that the staff can adjust according to the thickness of the sheet material, so that the equipment can wipe the materials with different thicknesses, and the surface of the formed material is reduced due to the adhesion of dust and impurities.

[0015] The contact plate is arranged, so that the staff can conveniently maintain the equipment, reduce the difficulty of the staff in maintaining and using the equipment, and facilitate the staff in using the equipment. DETAILED DESCRIPTION

[0016] Figure 1 It is a schematic diagram of the overall structure of the extruder for EVA sheet material;

[0017] Figure 2 It is a schematic diagram of the structure of the connecting sleeve column in the extruder for EVA sheet material;

[0018] Figure 3 It is a schematic diagram of the structure of the contact plate in the extruder for EVA sheet material;

[0019] Figure 4 It is a schematic diagram of the structure of the connecting box in the extruder for EVA sheet material.

[0020] In the drawings:

[0021] 1. Extruder body; 11. Connecting roller frame; 12. Support frame; 13. Connecting plate; 14. Threaded rod; 15. Connecting column; 16. Slide rod; 17. Connecting sleeve column; 18. Support plate; 19. Connecting box; 10. Wiping plate; 101. First spring; 2. Limiting strip; 21. Contact plate; 22. Second spring; 23. Support block; 24. Chamfer; 3. Water inlet pipe; 31. Drain hole; 32. Water inlet hole; 4. Fixing ring; 41. Brush bristles; 5. Contact block; 6. Pull ring; 7. Sealing cover. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] This utility model provides an extruder for EVA sheets, such as... Figures 1-4 As shown, the extruder includes an extruder body 1, a connecting roller frame 11 is provided above the extruder body 1, a pair of support frames 12 are fixedly connected above the extruder body 1, a connecting plate 13 is fixedly connected to the side wall of the support frame 12, a pair of threaded rods 14 are threadedly connected to the inner side wall of the connecting plate 13, a connecting column 15 is rotatably connected to the bottom of the outer side wall of the threaded rod 14, a sliding rod 16 is fixedly connected to the outer side wall of the connecting column 15, a connecting sleeve column 17 is slidably connected to the outer side wall of the sliding rod 16, a support plate 18 is fixedly connected to the bottom of the outer side wall of the connecting sleeve column 17, a connecting box 19 is slidably contacted to the inner side wall of the support plate 18, a wiping plate 10 is fixedly connected to the bottom of the outer side wall of the connecting box 19, a pair of first springs 101 are fixedly connected to the top of the outer side wall of the support plate 18, and a connecting plate 13 is fixedly connected to the top of the outer side wall of the first springs 101.

[0024] Before the equipment starts working, slide the connecting box 19 into the support plate 18, rotate the threaded rod 14, and the threaded rod 14 will rise and drive the connecting column 15 to move upward. The connecting column 15 will pull the connecting sleeve column 17 to move through the slide rod 16. At this time, the maximum position of the first spring 101 will be reduced, thereby controlling the maximum position of the wiping plate 10. The material is put into the extruder body 1. Then the extruder body 1 is started again. The material of the processing head will move down along the connecting roller frame 11. When these materials move, the wiping plate 10 will rub against them to wipe away the water stains and dust adhering to the material. Through the threaded rod 14 and the wiping plate 10, the operator can adjust according to the thickness of the sheet, so that the equipment can wipe materials of different thicknesses, reducing the surface contamination of the formed material due to the adhesion of dust and impurities.

[0025] like Figure 3As shown, the outer side wall of the support plate 18 is fixedly connected with a limiting strip 2, the outer side wall of the limiting strip 2 is in sliding contact with a contact plate 21, the side wall of the contact plate 21 is provided with a chamfer 24, the side wall of the support plate 18 is fixedly connected with a second spring 22, the side wall of the second spring 22 is fixedly connected with the limiting strip 2, the side wall of the support plate 18 is fixedly connected with a support block 23, the outer side wall of the support block 23 is fixedly connected with the limiting strip 2 at the top, the contact plate 21 is in contact with the support block 23, and the contact plate 21 is in contact with the connecting box 19.

[0026] When the device works for a long time, the worker needs to replace and clean the wiping plate 10, pulls the contact plate 21 to make the contact plate 21 separate from the connecting box 19, at this time the connecting box 19 can normally separate from the device, and when cleaning is completed, the connecting box 19 slides along the inside of the support plate 18, at this time the connecting box 19 will extrude the chamfer 24, and the second spring 22 will be stretched, when the connecting box 19 moves to the appropriate position, the connecting box 19 loses the extrusion force on the contact plate 21, and the second spring 22 resets to make the flat surface of the contact plate 21 in contact with the connecting box 19. Through the setting of the contact plate 21, the worker can conveniently maintain the device, reduces the difficulty of the worker in maintaining and using the device, and facilitates the worker in using the device.

[0027] As shown in Figure 1 and Figure 4 the outer side wall of the support plate 18 is fixedly connected with a water inlet pipe 3 at the top, the outer side wall of the water inlet pipe 3 is in sliding contact with a connecting plate 13, a plurality of water seepage holes 31 are formed in the bottom of the outer side wall of the connecting box 19, a water inlet hole 32 is formed in the side wall of the support plate 18, and the water inlet hole 32 is arranged below the water inlet pipe 3.

[0028] When the device works, the worker can directly add cleaning water into the water inlet pipe 3, the water flows into the connecting box 19 through the water inlet pipe 3 and the water inlet hole 32, and finally flows to the wiping plate 10 through the water seepage holes 31 to wet the wiping plate 10. Through the setting of the water inlet pipe 3 and the water seepage holes 31, the worker can adjust the device according to the situation, and further increase the cleaning effect of the device on dust and impurities.

[0029] As shown in Figure 2 the outer side wall of the connecting plate 13 is fixedly connected with a pair of fixed rings 4 at the top, a plurality of bristles 41 are fixedly connected to the inner side wall of the fixed rings 4, and the bristles 41 are in contact with the threaded rod 14.

[0030] When the device works, the worker rotates the threaded rod 14, the bristles 41 rub against the threaded rod 14, and the bristles 41 remove dust and impurities attached to the side wall of the threaded rod 14. Through the setting of the fixed rings 4 and the bristles 41, the cooperation between the threaded rod 14 and the connecting plate 13 in rotation is reduced to avoid jamming or failure, and the frequency of the worker in maintaining the device is reduced.

[0031] As shown inFigure 3 As shown in the figure, the side wall of the connecting box 19 is fixedly connected with the contact block 5.

[0032] During the operation of the device, the worker can directly pull the contact block 5 when taking out the connecting box 19, and the contact block 5 is arranged to facilitate the worker to take out the connecting box 19.

[0033] As shown in the figure, Figure 3 As shown in the figure, the side wall of the contact plate 21 is fixedly connected with the pull ring 6.

[0034] During the operation of the device, the worker can pull the pull ring 6 to move the contact plate 21, and the pull ring 6 is arranged to facilitate the worker to operate the contact plate 21.

[0035] As shown in the figure, Figure 1 As shown in the figure, the outer side wall of the water inlet pipe 3 is threadedly connected with the sealing cover 7, and the sealing cover 7 can be separated from the water inlet pipe 3.

[0036] During the operation of the device, the worker can screw the sealing cover 7 above the water seepage hole 31, and the sealing cover 7 is arranged to reduce the situation that dust and impurities fall into the water inlet pipe 3 and block the water seepage hole 31, thereby increasing the stability of the device during operation.

[0037] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. Extruder for EVA sheets, comprising an extruder body (1), characterized by the fact that: The extruder body (1) is provided with a connecting roller frame (11) above it, and a pair of support frames (12) are fixedly connected above the extruder body (1), the side wall of the support frame (12) is fixedly connected with a connecting plate (13), a pair of threaded rods (14) are threadedly connected with the inner side wall of the connecting plate (13), a connecting column (15) is rotatably connected to the outer side wall bottom of the threaded rod (14), a slide rod (16) is fixedly connected to the outer side wall of the connecting column (15), a connecting sleeve column (17) is slidably connected to the outer side wall of the slide rod (16), a support plate (18) is fixedly connected to the outer side wall bottom of the connecting sleeve column (17), a connecting box (19) is in sliding contact with the inner side wall of the support plate (18), a wiping plate (10) is fixedly connected to the outer side wall bottom of the connecting box (19), a pair of first springs (101) are fixedly connected to the top of the outer side wall of the support plate (18), and the first springs (101) are fixedly connected with the connecting plate (13) on the outer side wall top.

2. The extruder for EVA sheet material according to claim 1, characterized in that: The outer side wall of the support plate (18) is fixedly connected with a limiting strip (2), the outer side wall of the limiting strip (2) is in sliding contact with a contact plate (21), the side wall of the contact plate (21) is provided with a chamfer (24), the side wall of the support plate (18) is fixedly connected with a second spring (22), the side wall of the second spring (22) is fixedly connected with the limiting strip (2), the side wall of the support plate (18) is fixedly connected with a support block (23), the top of the outer side wall of the support block (23) is fixedly connected with the limiting strip (2), the contact plate (21) is in contact with the support block (23), and the contact plate (21) is in contact with the connecting box (19).

3. The extruder for EVA sheet material as claimed in claim 1, wherein: The outer side wall top of the support plate (18) is fixedly connected with a water inlet pipe (3), the outer side wall of the water inlet pipe (3) is in sliding contact with a connecting plate (13), a plurality of water infiltration holes (31) are formed in the bottom of the outer side wall of the connecting box (19), a water inlet hole (32) is formed in the side wall of the support plate (18), and the water inlet hole (32) is arranged below the water inlet pipe (3).

4. The extruder for EVA sheet material as claimed in claim 1, wherein: The outer side wall top of the connecting plate (13) is fixedly connected with a pair of fixed rings (4), a plurality of bristles (41) are fixedly connected with the inner side wall of the fixed ring (4), and the bristles (41) are in contact with the threaded rods (14).

5. The extruder for EVA sheet material as claimed in claim 1, wherein: The side wall of the connecting box (19) is fixedly connected with a contact block (5).

6. The extruder for EVA sheet material as claimed in claim 2, wherein: The side wall of the contact plate (21) is fixedly connected with a pull ring (6).

7. The extruder for EVA sheet material as claimed in claim 3 wherein: The outer side wall of the water inlet pipe (3) is threadedly connected with a sealing cover (7), and the sealing cover (7) can be separated from the water inlet pipe (3).

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