Pressing device for multi-layer co-extrusion film production

Abstract

The utility model discloses a hold-down device for multilayer co-extrusion film production, which comprises a base, two vertical plates are fixedly arranged at the top of the base, an upper compression roller and a lower compression roller are movably arranged between the two vertical plates, connecting plates are fixedly arranged on the front surfaces of the two vertical plates, a same guide roller is movably arranged between the two connecting plates, and the upper compression roller and the lower compression roller are fixedly arranged on the base. The outer portions of the two ends of the upper pressing roller and the two ends of the lower pressing roller are each provided with a flange structure, each flange structure comprises a connecting ring used for installation, each connecting ring is provided with two limiting holes and an inserting groove, and two installation boxes are fixedly arranged on each connecting ring. The semi-circular baffle I and the semi-circular baffle II are arranged, and the two semi-circular baffles can form a circular baffle, so that a film can be blocked and limited, the film can be effectively prevented from deviating, the compounding position precision of each layer of film is ensured, and the semi-circular baffles can be quickly disassembled and assembled by arranging the clamping blocks, the ejector rods, the lock frames and the springs, so that the production efficiency is improved. And subsequent dismounting and maintenance are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to coextrusion film production equipment technical field especially relates to a kind of pressing device for multilayer coextrusion film production. BACKGROUND

[0002] Multilayer coextrusion film refers to the processing of film to one raw material extrusion to the film made of another or to the film made of different kinds of each other and together to form multilayer film, multilayer coextrusion film needs to be pressed during production, so special pressing device is used.

[0003] But the two sides of the compression roller in the existing pressing equipment do not have a curb structure, and the film will deviate during winding, which cannot guarantee the position accuracy of each layer of film composite, therefore, a kind of pressing device for multilayer coextrusion film production is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and proposes a kind of pressing device for multilayer coextrusion film production.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of pressing device for multilayer coextrusion film production includes base, the top of base is fixed with two vertical boards, two the upper and lower compression rollers are movably arranged between two vertical boards, the front surface of two vertical boards is fixed with connecting plate, and the same guide roller is movably arranged between two connecting plates, and the two ends of upper and lower compression rollers are provided with curb structure outside.

[0006] As a further description of the above technical scheme:

[0007] The curb structure includes a connecting ring for mounting, two limiting holes and a slot are provided on the connecting ring, two mounting boxes are fixedly arranged on the connecting ring, semicircular baffle one and semicircular baffle two for blocking are movably arranged outside the connecting ring, and two limiting rods are fixedly arranged on the inner wall of semicircular baffle one and semicircular baffle two.

[0008] As a further description of the above technical scheme:

[0009] The inner wall of semicircular baffle one and semicircular baffle two is fixedly provided with plug rod, the front surface of plug rod is fixedly provided with clamping block, and limiting strip is fixedly arranged on both sides of plug rod.

[0010] As a further description of the above technical scheme:

[0011] Mounting bracket is fixedly arranged on the inner wall of one side of mounting box, lock frame is movably arranged in mounting bracket, and top rod is movably arranged on the inner wall of one side of mounting box.

[0012] As a further description of the above technical solutions:

[0013] The side inner wall of the mounting box is fixedly provided with a spring, and the other end of the spring is attached to one side of the lock frame.

[0014] As a further description of the above technical solutions:

[0015] The side close to the other mounting box of each mounting box is provided with a through slot, and the inner wall of each through slot is provided with two limiting grooves matched with the limiting strips.

[0016] As a further description of the above technical solutions:

[0017] The side close to the other connecting plate of each connecting plate is provided with a circular hole, and each circular hole is fixedly provided with a bearing, and the two ends of the guide roller are fixedly provided with connecting shafts, and the inner rings of the two bearings are respectively fixedly sleeved on the two connecting shafts.

[0018] The utility model has the advantages of the following beneficial effects:

[0019] 1. Compared with the prior art, the pressing device for multilayer co-extrusion film production, by setting semicircular baffle one and semicircular baffle two, two semicircular baffles can form a circular baffle, which can realize the blocking and limiting of the film, can effectively prevent the film from deviating, and can ensure the position precision of the composite film, and by setting the clamping block, the ejector rod, the lock frame and the spring, the semicircular baffle can be quickly disassembled and assembled, which is convenient for subsequent disassembly and maintenance.

[0020] 2. Compared with the prior art, the pressing device for multilayer co-extrusion film production, by setting connecting plates and guide rollers, the guide rollers can guide the film to enter the pressing area smoothly during use, reducing the risk of wrinkles and deviation of the film before entering the pressing roller, and further improving the composite quality. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 A three-dimensional structure schematic view of a pressing device for multilayer co-extrusion film production is provided for the utility model;

[0022] Fig. 2 A disassembly schematic view of the edge structure in the pressing device for multilayer co-extrusion film production is provided for the utility model;

[0023] Fig. 3 A disassembly side view schematic view of the edge structure in the pressing device for multilayer co-extrusion film production is provided for the utility model.

[0024] LEGEND:

[0025] 1, base; 2, vertical plate; 3, upper compression roller; 4, lower compression roller; 5, connecting plate; 6, guide roller; 7, baffle structure; 701, connecting ring; 702, mounting box; 703, semicircular baffle one; 704, semicircular baffle two; 705, limiting rod; 706, plug rod; 707, clamping block; 708, mounting frame; 709, lock frame; 710, spring; 711, jacking rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Referring to Figs. 1 to 3 The utility model provides a kind of compression device for multilayer co-extrusion film production: including base 1, the top of base 1 is fixedly provided with two vertical plates 2, upper compression roller 3 and lower compression roller 4 are movably arranged between two vertical plates 2, and the front of two vertical plates 2 is fixedly provided with connecting plate 5.

[0028] In order to realize the purpose of reducing the wrinkling of the film, a same guide roller 6 is movably arranged between two connecting plates 5, and the side of two connecting plates 5 close to each other is provided with a circular hole, and a bearing is fixedly arranged in the two circular holes. Both ends of the guide roller 6 are fixedly provided with connecting shafts, and the inner rings of the two bearings are fixedly sleeved on the two connecting shafts. When in use, the guide roller 6 can guide the film to enter the compression area smoothly, reduce the wrinkling and deviation risk of the film before entering the compression roller, and further improve the composite quality.

[0029] In order to prevent the film from deviating, the outer part of the upper and lower pressing rollers 3 and 4 is provided with a baffle structure 7, which includes a connecting ring 701 for installation, two limiting holes and a slot are arranged on the connecting ring 701, two mounting boxes 702 are fixedly arranged on the connecting ring 701, a semicircular baffle one 703 and a semicircular baffle two 704 are movably arranged outside the connecting ring 701, two limiting rods 705 are fixedly arranged on the inner walls of the semicircular baffles one and two, a plug rod 706 is fixedly arranged on the inner walls of the semicircular baffles one and two, a clamping block 707 is fixedly arranged on the front of the plug rod 706, limiting strips are fixedly arranged on both sides of the plug rod 706, a through slot is arranged on one side of each of the two mounting boxes 702, two limiting grooves are arranged on the inner walls of the two through slots, the limiting grooves and the limiting strips are matched, a mounting frame 708 is fixedly arranged on one side of the inner wall of the mounting box 702, a lock frame 709 is movably arranged in the mounting frame 708, a spring 710 is fixedly arranged on one side of the inner wall of the mounting box 702, the other end of the spring 710 is in contact with one side of the lock frame 709, a top rod 711 is movably arranged on one side of the inner wall of the mounting box 702, the two semicircular baffles form a circular baffle, which can block and limit the film, effectively prevent the film from deviating, ensure the position accuracy of the composite film, and facilitate the subsequent disassembly and maintenance.

[0030] Working principle: Before the equipment runs, the baffle structure 7 is installed on the two pressing rollers, the two limiting rods 705 and the plug rod 706 are inserted into the limiting holes and the slot respectively, the plug rod 706 drives the clamping block 707 to move downward, the inclined surface on one side of the clamping block 707 is in contact with the inclined surface on one side of the lock frame 709, and the lock frame 709 is extruded to rotate, the lock frame 709 extrudes the spring 710 on one side, when the inclined surface of the lock frame 709 and the inclined surface of the clamping block 707 are separated, the spring 710 drives the lock frame 709 to reset and clamp on the clamping block 707, completing the installation of one of the semicircular baffles, at this time the semicircular baffles are in contact with the connecting ring 701, then the other semicircular baffle is installed, the two semicircular baffles form a circular baffle, which can block and limit the film, effectively prevent the film from deviating, ensure the position accuracy of the composite film, when the semicircular baffles need to be disassembled later, the top rod 711 is extruded, the top rod 711 rotates the lock frame 709 and separates it from the clamping block 707, then the semicircular baffle is pulled away from the mounting box 702, which can be disassembled, the guide roller 6 can guide the film to enter the pressing area smoothly, reduce the risk of wrinkles and deviation of the film before entering the pressing roller, and further improve the composite quality.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A compression device for the production of multilayer co-extruded films, comprising a base (1), characterized in that: The top of the base (1) is fixed with two vertical plates (2), the upper and lower press rollers (3) and (4) are movably arranged between the two vertical plates (2), the front of the two vertical plates (2) is fixed with a connecting plate (5), the same guide roller (6) is movably arranged between the two connecting plates (5), and the outer ends of the upper and lower press rollers (3) and (4) are provided with a baffle structure (7).

2. A compression device for the production of a multilayer co-extruded film according to claim 1, characterized in that: The baffle structure (7) comprises a connecting ring (701) for mounting, two limiting holes and a slot are arranged on the connecting ring (701), two mounting boxes (702) are fixedly arranged on the connecting ring (701), a semicircular baffle one (703) and a semicircular baffle two (704) for blocking are movably arranged on the outer part of the connecting ring (701), and two limiting rods (705) are fixedly arranged on the inner walls of the semicircular baffle one (703) and the semicircular baffle two (704).

3. A compression device for the production of a multilayer co-extruded film according to claim 2, characterized in that: The inner walls of the semicircular baffle one (703) and the semicircular baffle two (704) are fixedly provided with an insertion rod (706), the front surface of the insertion rod (706) is fixedly provided with a clamping block (707), and the two sides of the insertion rod (706) are fixedly provided with a limiting strip.

4. A compression device for producing a multi-layer co-extrusion film according to claim 2, characterized in that: The inner wall of the mounting box (702) is fixedly provided with a mounting frame (708), the mounting frame (708) is movably arranged in the mounting box (702), and the inner wall of the mounting box (702) is movably provided with a top rod (711).

5. A compression device for the production of a multilayer co-extruded film according to claim 4, characterized in that: The inner wall of the mounting box (702) is fixedly provided with a spring (710), and the other end of the spring (710) is attached to one side of the locking frame (709).

6. A compression device for multilayer co-extrusion film production according to claim 3, characterized in that: The side close to the two mounting boxes (702) is provided with a through groove, and the inner wall of the through groove is provided with two limiting grooves, and the limiting grooves and the limiting strips are matched.

7. The compression device for producing a multi-layer co-extrusion film according to claim 1, wherein: The side close to the two connecting plates (5) is provided with a circular hole, and the inner wall of the circular hole is fixedly provided with a bearing, and the two ends of the guide roller (6) are fixedly provided with a connecting shaft, and the inner ring of the two bearings is respectively fixedly sleeved on the two connecting shafts.

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