Aluminum foil EVA sheet extrusion device

Abstract

The present invention proposes an aluminum foil EVA sheet extrusion device, comprising an extruder, wherein a right-angle head is installed at the output end of the extruder, a placement rack and a cooling water trough are respectively provided on both sides of the right-angle head, and a feed port and a discharge port are respectively provided on both sides of the right-angle head, a first aluminum foil channel is provided on the inner side of the feed port, the discharge port is connected to the right-angle head through a head adapter plate, and a second aluminum foil channel is provided in the discharge port, and baffles are provided on both upper and lower sides of the second aluminum foil channel. The aluminum foil EVA sheet extrusion device adopts a right-angle head to optimize the flow channel in the head, improve the stability of the extrusion pressure, and improve the structure of the discharge port so that the glue and the aluminum foil are compounded at the sizing end in the discharge port, and the effect of single-sided extrusion is achieved through the extrusion pressure, and two aluminum foil strips are inserted into the right-angle head so that the two aluminum foils are tightly fitted by pressure, thereby avoiding the risk of sheet metal blocking.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum foil EVA sheet production, in particular to an aluminum foil EVA sheet extrusion device. Background Art

[0002] Aluminum foil EVA sheet is an extruded composite material, a composite sheet of EVA and aluminum foil, mainly used in the field of pre-automotive sheet metal cavity sealing, punching parts according to sheet metal shape to foam and seal the cavity;

[0003] In the currently existing technologies, most of them are double-sided extrusion, and the upper and lower heads jointly feed glue. The sheet extruded in this way is coated with glue on both sides, and aluminum foil is inserted in the middle as support, and is compositely extruded at the die. However, since the size of the double-sided extruded sheet is difficult to control, there is a difference in the thickness of the glue on the upper and lower sides. In actual use, there is a risk of sheet metal blocking holes. Therefore, the present invention proposes an aluminum foil EVA sheet extrusion device to solve the problems existing in the prior art. Summary of the invention

[0004] In view of the above problems, the purpose of the present invention is to propose an aluminum foil EVA sheet extrusion device, which adopts a right-angle die, optimizes the flow channel in the die, improves the stability of the extrusion pressure, and improves the structure of the discharge nozzle, so that the glue and the aluminum foil are compounded at the sizing end in the discharge nozzle, and the effect of single-sided extrusion is achieved through extrusion pressure. At the same time, by inserting two aluminum foil strips into the right-angle die, and through the cooperation of the first aluminum foil channel, the second aluminum foil channel and the third aluminum foil channel, the two aluminum foils are tightly fitted by pressure, and there is no glue overflow in the middle, thereby avoiding the risk of sheet metal blockage.

[0005] To achieve the purpose of the present invention, the present invention is implemented through the following technical scheme: an aluminum foil EVA sheet extrusion device, including an extruder, a right-angle head is installed at the output end of the extruder, a placement rack and a cooling water trough are respectively provided on both sides of the right-angle head, and a feed port and a discharge port are respectively provided on both sides of the right-angle head, a first aluminum foil channel is provided on the inner side of the feed port, the discharge port is connected to the right-angle head through a head adapter plate, and a second aluminum foil channel is provided in the discharge port, baffles are provided on the upper and lower sides of the second aluminum foil channel, and both ends of the baffle are connected to the discharge port, a diverter plate is provided between the baffle and the feed port, and the two ends of the diverter plate are respectively connected to the feed port and the baffle, and a third aluminum foil channel is provided in the diverter plate.

[0006] A further improvement is that a feeding roller is rotatably mounted on the placing frame, two groups of the feeding rollers are arranged in sequence from top to bottom, and aluminum foil strips are wound around the feeding rollers.

[0007] A further improvement is that a support seat is installed below the cooling water trough, and auxiliary rollers are provided on both sides of the cooling water trough. The auxiliary rollers are connected to the cooling water trough through brackets, and a steering roller is installed on one side above the auxiliary roller in the cooling water trough.

[0008] A further improvement is that mounting frames are provided on both sides of the cooling water tank above the support seat, and two groups of traction rollers arranged opposite to each other are rotatably mounted on the mounting frames, and the two groups of traction rollers are respectively located on the upper and lower sides of the mounting frames.

[0009] A further improvement is that: a metal rod is provided in the cooling water tank, both ends of the metal rod are connected to the cooling water tank, and a plurality of groups of metal rods are evenly provided.

[0010] A further improvement is that two ends of the third aluminum foil channel are respectively connected to the first aluminum foil channel and the second aluminum foil channel, and one side of the diverter plate is provided with an opening on the head adapter plate.

[0011] A further improvement is that an opening is provided on one side of the diverter plate on the machine head adapter plate, and the diameter of the opening decreases from left to right.

[0012] The beneficial effects of the present invention are as follows: the aluminum foil EVA sheet extrusion device adopts a right-angle die, optimizes the flow channel in the die, improves the stability of the extrusion pressure, and improves the structure of the discharge port shape, so that the glue and the aluminum foil are compounded at the sizing end in the discharge port shape, and achieves the effect of single-sided extrusion through the extrusion pressure, so that the double-sided glue-coated extrusion is changed to single-sided aluminum foil EVA extrusion. At the same time, two aluminum foil strips are inserted into the right-angle die head, and the first aluminum foil channel, the second aluminum foil channel and the third aluminum foil channel are coordinated, so that the two aluminum foils are tightly fitted by pressure without glue overflow in the middle, so that the produced single-sided glue-coated product can be single-sidedly directionally foamed in the sheet metal cavity, thereby avoiding the risk of sheet metal blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is a front view structural schematic diagram of the present invention.

[0015] Figure 2 It is a schematic diagram of the side structure of the discharge port of the present invention.

[0016] Figure 3It is a schematic diagram of the connection structure between the right-angle head and the diverter plate of the present invention.

[0017] Among them: 1. Extruder; 2. Right-angle head; 3. Placement rack; 4. Cooling water trough; 5. Feed port; 6. Discharge port; 7. First aluminum foil channel; 8. Head adapter plate; 9. Second aluminum foil channel; 10. Baffle; 11. Diverter plate; 12. Third aluminum foil channel; 13. Feeding roller; 14. Aluminum foil belt; 15. Support seat; 16. Auxiliary roller; 17. Steering roller; 18. Mounting rack; 19. Traction pressure roller; 20. Metal rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", "fourth", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] according to Figure 1 , 2As shown in Figure 3, this embodiment proposes an aluminum foil EVA sheet extrusion device, including an extruder 1, a right-angle head 2 is installed at the output end of the extruder 1, a placement rack 3 and a cooling water tank 4 are respectively provided on both sides of the right-angle head 2, and a feed port 5 and a discharge port 6 are respectively provided on both sides of the right-angle head 2, a first aluminum foil channel 7 is provided on the inner side of the feed port 5, the discharge port 6 is connected to the right-angle head 2 through a head adapter plate 8, and a second aluminum foil channel 9 is provided in the discharge port 6, baffles 10 are provided on the upper and lower sides of the second aluminum foil channel 9, and the two ends of the baffle 10 are connected to the discharge port 6, a diverter plate 11 is provided between the baffle 10 and the feed port 5, and the two ends of the diverter plate 11 are respectively connected to the feed port 5. It is connected to the baffle plate 10, and a third aluminum foil channel 12 is provided in the diverter plate 11. By adopting a right-angle head 2, the flow channel in the head is optimized, the stability of the extrusion pressure is improved, and the structure of the discharge nozzle 6 is improved, so that the glue and the aluminum foil are compounded at the sizing end in the discharge nozzle 6, and the effect of single-sided extrusion is achieved through the extrusion pressure, so that it is changed from double-sided glue-coated extrusion to single-sided aluminum foil EVA extrusion. At the same time, two aluminum foil strips 14 are inserted into the right-angle head 2, and through the cooperation of the first aluminum foil channel 7, the second aluminum foil channel 9 and the third aluminum foil channel 12, the two aluminum foils are tightly fitted by pressure, and there is no glue overflow in the middle, so that the produced single-sided glue-coated products can be single-sidedly directionally foamed in the sheet metal cavity, thereby avoiding the risk of sheet metal blockage.

[0022] The placing frame 3 is rotatably mounted with a feeding roller 13 , and the feeding roller 13 is provided with two groups in sequence from top to bottom, and an aluminum foil belt 14 is wound around the feeding roller 13 .

[0023] A support seat 15 is installed below the cooling water trough 4, and auxiliary rollers 16 are provided on both sides of the cooling water trough 4. The auxiliary rollers 16 are connected to the cooling water trough 4 through brackets, and a steering roller 17 is installed on one side above the auxiliary rollers 16 in the cooling water trough 4.

[0024] A mounting frame 18 is provided on both sides of the cooling water trough 4 above the support seat 15, and two groups of traction rollers 19 arranged opposite to each other are rotatably mounted on the mounting frame 18. The two groups of traction rollers 19 are respectively located on the upper and lower sides of the mounting frame 18. When working, the traction rollers 19 between the cooling water trough 4 and the right-angle head 2 horizontally pull the extruded material to control the thickness of the upper and lower rubber layers.

[0025] The cooling water tank 4 is provided with metal rods 20 , both ends of which are connected to the cooling water tank 4 , and a plurality of metal rods 20 are evenly provided. When working, the cooling water tank 4 is filled with cooling water.

[0026] Two ends of the third aluminum foil channel 12 are connected to the first aluminum foil channel 7 and the second aluminum foil channel 9 respectively.

[0027] An opening is provided on one side of the diverter plate 11 on the head adapter plate 8, and the diameter of the opening decreases from left to right. During operation, the opening can accommodate materials and aluminum foil to enter and exit.

[0028] After the present invention starts working, the aluminum foil strip 14 is manually passed from the placement rack 3 into the machine head, and passes through the discharge mouth 6, and then is pulled by the traction pressure roller 19. The traction pressure roller 19 is driven by a motor, and then the extruder 1 is started. The extruder 1 extrude the rubber material through the right-angle head 2, and the diverter plate 11 is set to avoid the rubber material from contacting the aluminum foil. Then, after entering the discharge mouth 6, at the sizing section in the discharge mouth 6, the rubber and the aluminum foil on the upper and lower sides are compounded, and compounded under the action of the extrusion pressure, and then pass through the traction pressure roller 19, the steering roller 17 and the auxiliary roller 16 on one side, enter the cooling water tank 4 for cooling, and after cooling, pass through the traction pressure roller 19, the steering roller 17 and the auxiliary roller 16 on the other side to enter the winding device.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An aluminum foil EVA sheet extrusion device, comprising an extruder (1), wherein a right-angle die head (2) is installed at the output end of the extruder (1), characterized in that: A placement rack (3) and a cooling water tank (4) are respectively provided on both sides of the right-angle head (2), and a feed port (5) and a discharge port (6) are respectively provided on both sides of the right-angle head (2), a first aluminum foil channel (7) is provided on the inner side of the feed port (5), the discharge port (6) is connected to the right-angle head (2) via a head adapter plate (8), and a second aluminum foil channel (9) is provided in the discharge port (6), and the second aluminum foil channel (9) is provided with a plurality of aluminum foil channels on the upper and lower sides. A baffle (10) is provided, and both ends of the baffle (10) are connected to the discharge port (6); a diverter plate (11) is provided between the baffle (10) and the feed port (5), and both ends of the diverter plate (11) are respectively connected to the feed port (5) and the baffle (10); a third aluminum foil channel (12) is provided in the diverter plate (11); a support seat (15) is installed below the cooling water trough (4), and auxiliary rollers (16) are provided on both sides of the cooling water trough (4); The auxiliary roller (16) is connected to the cooling water trough (4) through a bracket, and a steering roller (17) is installed on one side above the auxiliary roller (16) in the cooling water trough (4). A mounting frame (18) is provided on both sides of the cooling water trough (4) above the support seat (15). Two groups of traction pressure rollers (19) arranged opposite to each other are rotatably mounted on the mounting frame (18). The two groups of traction pressure rollers (19) are respectively located on the upper and lower sides of the mounting frame (18). A discharge roller (13) is rotatably mounted on the placement frame (3). Two groups of discharge rollers (13) are provided in sequence from top to bottom, and an aluminum foil strip (14) is wound around the discharge roller (13). By inserting the two aluminum foil strips (14) into the right-angle machine head (2), and by cooperating with the first aluminum foil channel (7), the second aluminum foil channel (9) and the third aluminum foil channel (12), the two aluminum foils are tightly fitted together by pressure, so that the produced single-sided adhesive coated product can be single-sidedly directional foamed in the sheet metal cavity.

2. The aluminum foil EVA sheet extrusion device according to claim 1, characterized in that: A metal rod (20) is provided in the cooling water trough (4), both ends of the metal rod (20) are connected to the cooling water trough (4), and a plurality of groups of the metal rods (20) are evenly arranged.

3. The aluminum foil EVA sheet extrusion device according to claim 1, characterized in that: Both ends of the third aluminum foil channel (12) are respectively connected to the first aluminum foil channel (7) and the second aluminum foil channel (9).

4. The aluminum foil EVA sheet extrusion device according to claim 1, characterized in that: One side of the diverter plate (11) is provided with an opening on the machine head adapter plate (8), and the diameter of the opening decreases from left to right.

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