Double faced adhesive tape coating machine

Abstract

The utility model discloses a double-faced adhesive tape coating machine, which relates to the field of coating machines and comprises a rack, and the rack is provided with a first discharging roller for winding a base material, a second discharging roller for winding an upper patch, a third discharging roller for winding a lower patch, a first gluing roller, a second gluing roller and a discharging mechanism. One side of the first gluing roller and one side of the second gluing roller are respectively provided with a glue injection die head, and the other side of the first gluing roller is provided with a first pressure roller which is matched with the first gluing roller to extrude a base material and an upper patch together; and a plurality of extrusion units are arranged on the other side of the second gluing roller, and the discharging mechanism adopts a winding roller or a cutting assembly. The utility model has the advantages of simple structure and good working stability.

Description

Technical Field

[0001] The utility model relates to the field of coating machines, in particular to a double-sided adhesive coating machine. Background Art

[0002] Existing coating machines, such as a 3D wallpaper wall sticker coating machine with publication number CN212097760U disclosed on publication date 2020-12-08, generally apply glue on one side, which may be inconvenient in actual use; therefore, it is necessary to design a coating machine that can apply glue on both sides of wallpaper. Utility Model Content

[0003] In order to overcome the shortcomings of the background technology, the utility model provides a double-sided adhesive coating machine with simple structure and good working stability.

[0004] The technical solution adopted by the utility model: a double-sided adhesive coating machine, including a frame, on which a first feeding roller for winding a substrate, a second feeding roller for winding an upper patch, a third feeding roller for winding a lower patch, a first gluing roller, a second gluing roller and a discharging mechanism are provided, one side of the first gluing roller and the second gluing roller are respectively provided with a glue injection die head, the other side of the first gluing roller is provided with a first pressure roller for cooperating to extrude the substrate and the upper patch; the other side of the second gluing roller is provided with a plurality of extrusion units, and the discharging mechanism adopts a winding roller or a cutting component.

[0005] The frame is provided with a fixed seat and a plurality of brackets slidably mounted on the fixed seat, a plurality of sliding rods arranged laterally and fixedly mounted are provided on both sides of the fixed seat, a sliding sleeve slidably matched with the sliding rod is provided on the bracket, a first driving member is installed on the bracket, and an output end of the first driving member is connected to the fixed seat.

[0006] The first driving member is a pneumatic cylinder, an oil cylinder or a linear motor.

[0007] The frame is provided with an adjustment component for installing the injection die head; the adjustment component comprises:

[0008] A mounting seat, which is laterally slidably mounted on the inner walls of both sides of the frame;

[0009] A movable seat, which is mounted on the side wall of the mounting seat and has a first screw at its top end;

[0010] A support frame, which is fixedly mounted on the movable seats on both sides and on which the injection die head is fixedly mounted;

[0011] One end of the first screw rod passing through the mounting seat is provided with a first screw sleeve that is threaded and in contact with the upper surface of the mounting seat, the mounting seat is provided with a support plate, and a second screw rod is provided at a position of the frame corresponding to the support plate, and one end of the second screw rod passing through the support plate is provided with a second screw sleeve that is threaded and in contact with the support plate.

[0012] The movable seat is provided with a plurality of vertically arranged strip grooves, and the mounting seat is provided with limiting bolts inserted into the strip grooves.

[0013] The glue injection die head includes an upper template, a lower template and a partition. The lower template is provided with a circulation groove for glue circulation. The upper template and the lower template are fixedly connected and cooperate to clamp the partition. The partition is U-shaped and its opening part is a glue outlet. The side wall of the lower template is provided with a glue injection hole connected to the circulation groove, and the opening part of the partition is connected to the circulation groove.

[0014] A plurality of adjusting rollers for adjusting tension are arranged between the first unwinding roller and the first glue-applying roller, between the second unwinding roller and the first glue-applying roller, and between the third unwinding roller and the second glue-applying roller.

[0015] The frame is provided with a second driving member for driving the first pressure roller to move.

[0016] The cutting assembly adopts a cross-cutting knife which is installed on the frame and keeps moving up and down. A plurality of monitoring electric eyes and a slitting knife for cutting the two sides of the finished product are also arranged between the cross-cutting knife and the extrusion unit.

[0017] The beneficial effects of the utility model are as follows: the substrate of the technical solution comes out from the first feeding roller, the upper patch comes out from the second feeding roller, the substrate passes through the first gluing roller and is coated with a layer of glue by the gluing die, and then is extruded and bonded by the first pressure roller to form a semi-finished product, and then the lower patch comes out from the third feeding roller and passes through the second gluing roller and is coated with a layer of glue by the gluing die, and then enters the extrusion unit together with the semi-finished product for extrusion bonding, and the bonded finished product can be rolled away by the winding roller, or directly cut into pieces by the cutting assembly; it has the advantages of simple structure and good working stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a double-sided adhesive coating machine using a coiling roller according to an embodiment of the utility model.

[0019] Figure 2 This is a schematic diagram of the structure of a double-sided adhesive coating machine using a cutting component.

[0020] Figure 3 It is a schematic diagram of the structure of the injection die head and adjustment components.

[0021] Figure 4 It is a structural diagram of the cutting component.

[0022] Figure 5 This is a schematic diagram of the structure of the upper mold.

[0023] Figure 6 Schematic diagram of the structure of the partition.

[0024] Figure 7 It is a schematic diagram of the structure of the lower mold. DETAILED DESCRIPTION

[0025] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0026] As shown in the figure, a double-sided adhesive coating machine includes a frame 1, on which a first feeding roller 2 for winding a substrate, a second feeding roller 3 for winding an upper patch, a third feeding roller 4 for winding a lower patch, a first glue roller 5, a second glue roller 6 and a discharging mechanism are provided. A glue injection die 9 is provided at one side of the first glue roller 5 and the second glue roller 6, respectively. A first pressure roller 10 for cooperating to extrude the substrate and the upper patch is provided on the other side of the first glue roller 5; a plurality of extrusion units are provided on the other side of the second glue roller 6, and the discharging mechanism adopts a winding roller 7. Or a cutting component 8; the substrate of the technical solution comes out from the first feeding roller, the upper patch comes out from the second feeding roller, the substrate passes through the first gluing roller and is coated with a layer of glue by the gluing die, and then is extruded and bonded by the first pressure roller to form a semi-finished product, and then the lower patch comes out from the third feeding roller and passes through the second gluing roller and is coated with a layer of glue by the gluing die, and then enters the extrusion unit together with the semi-finished product for extrusion bonding, the bonded finished product can be rolled away by the winding roller, or it can be directly cut into pieces by the cutting component; it has the advantages of simple structure and good working stability.

[0027] The frame 1 is provided with a fixed seat 11 and a plurality of brackets 12 slidably mounted on the fixed seat 11, a plurality of laterally arranged and fixedly mounted sliding rods 13 are provided on both sides of the fixed seat 11, a sliding sleeve 14 slidably matched with the sliding rod 13 is provided on the bracket 12, a first driving member 15 is installed on the bracket 12, an output end of the first driving member 15 is connected to the fixed seat 11, and the first driving member 15 adopts a cylinder or an oil cylinder or a linear motor; the first driving member can drive the bracket to slide laterally, and the upper patch, the lower patch and the substrate will be monitored by a plurality of monitoring electric eyes during the transmission process. If an offset occurs, it can be adjusted back to a normal state by controlling the lateral sliding of the bracket, thereby playing a role in correcting the deviation.

[0028] The frame 1 is provided with an adjustment assembly for installing the injection die head 9; the adjustment assembly includes:

[0029] A mounting seat 35, which is laterally slidably mounted on the inner walls of both sides of the frame 1;

[0030] A movable seat 16, which is mounted on the side wall of the mounting seat 35 and has a first screw 17 at its top end;

[0031] A support bracket 18, which is fixedly mounted on the movable seats 16 on both sides and for the injection die head 9 to be fixedly mounted;

[0032] The first screw 17 passes through one end of the mounting seat 35 and is provided with a first screw sleeve 19 that is threadedly matched and in contact with the upper surface of the mounting seat 35. The mounting seat 35 is provided with a support plate 20. The frame 1 is provided with a second screw 21 at a position corresponding to the support plate 20. The second screw 21 passes through one end of the support plate 20 and is provided with a second screw sleeve 22 that is threadedly matched and in contact with the support plate 20. The injection mold head can adjust the height position of the movable seat by rotating the first screw sleeve. In addition, the lateral position of the mounting seat can be adjusted by rotating the second screw sleeve. The distance adjustment between the injection mold head and the first glue roller 5 can be achieved by adjusting the lateral and longitudinal positions.

[0033] The movable seat 16 is provided with a plurality of vertically arranged strip grooves 23, and the mounting seat 35 is provided with limiting bolts 24 inserted into the strip grooves 23, which play a guiding role and ensure the accuracy of the vertical sliding of the packaging movable seat.

[0034] The glue injection die head 9 includes an upper template 25, a lower template 26 and a partition 27. The lower template 26 is provided with a flow groove 28 for glue to flow. The upper template 25 and the lower template 26 are fixedly connected and cooperate to clamp the partition 27. The partition 27 is U-shaped and its opening part is a glue outlet. The side wall of the lower template 26 is provided with a glue injection hole 29 connected to the flow groove. The opening part of the partition 27 is connected to the flow groove 28. When glue is injected into the glue injection hole, the U-shaped partition can ensure that the glue will only be discharged from the glue outlet, so that the glue is evenly applied to the substrate and the lower patch.

[0035] A plurality of tension adjusting rollers 30 are provided between the first feeding roller 2 and the first glue applying roller 5, between the second feeding roller 3 and the first glue applying roller 5, and between the third feeding roller 4 and the second glue applying roller 6 to adjust the tension of the substrate, the upper patch and the lower patch so that they are in a taut state during transfer.

[0036] The frame 1 is provided with a second driving member 31 for driving the first pressure roller 10 to move. The second driving member 31 is a pneumatic cylinder, an oil cylinder or a linear motor; the distance between the first pressure roller and the injection die head can be adjusted, thereby adjusting the size of the laminating pressure.

[0037] The discharging mechanism of the technical solution has two embodiments;

[0038] Embodiment 1: The discharging mechanism adopts a winding roller 7, which is driven by a motor to rotate, so as to wind up the finished wallpaper.

[0039] Embodiment 2: The cutting assembly adopts a cross-cutting knife 32 installed on the frame and maintaining up and down movement. There are many transmission mechanisms in the prior art that can realize the up and down movement of the cross-cutting knife. For example, a motor drives a cam to rotate, and the cam drives the cross-cutting knife to move through a connecting rod. No further details are given here. A number of monitoring electric eyes 33 and slitting knives 34 for cutting the two sides of the finished product are also provided between the cross-cutting knife 32 and the extrusion unit. The monitoring electric eyes can monitor the two sides of the wallpaper, and then adjust it through the above-mentioned structure for realizing the correction function, and then the slitting knife cuts the side of the finished product, and finally it is cut into pieces by the cross-cutting knife.

[0040] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0041] In the description of the present utility model, 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 utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0042] Technical personnel should note: Although the utility model has been described according to the above specific implementation methods, the utility model concept is not limited to this utility model. Any modification using the utility model concept will be included in the scope of protection of this patent.

Claims

1. A double-sided adhesive coating machine, comprising a frame (1), characterized in that: The frame (1) is provided with a first unwinding roller (2) for winding a substrate, a second unwinding roller (3) for winding an upper patch, a third unwinding roller (4) for winding a lower patch, a first glue-applying roller (5), a second glue-applying roller (6) and a discharging mechanism, wherein one side of the first glue-applying roller (5) and the second glue-applying roller (6) are respectively provided with a glue injection die head (9), and the other side of the first glue-applying roller (5) is provided with a first pressure roller (10) for cooperating to extrude the substrate and the upper patch; the other side of the second glue-applying roller (6) is provided with a plurality of extrusion units, and the discharging mechanism adopts a winding roller (7) or a cutting assembly (8).

2. The double-sided adhesive coating machine according to claim 1, characterized in that: The frame (1) is provided with a fixed seat (11) and a plurality of brackets (12) slidably mounted on the fixed seat (11); a plurality of transversely arranged and fixedly mounted sliding rods (13) are provided on both sides of the fixed seat (11); a sliding sleeve (14) slidably matched with the sliding rod (13) is provided on the bracket (12); a first driving member (15) is installed on the bracket (12); and an output end of the first driving member (15) is connected to the fixed seat (11).

3. The double-sided adhesive coating machine according to claim 2, characterized in that: The first driving member (15) is a pneumatic cylinder, an oil cylinder or a linear motor.

4. The double-sided adhesive coating machine according to claim 1, characterized in that: The frame (1) is provided with an adjustment component for mounting the injection die head (9); the adjustment component comprises: A mounting seat (35) which is laterally slidably mounted on the inner walls of both sides of the frame (1); A movable seat (16) is mounted on the side wall of the mounting seat (35) and a first screw rod (17) is provided at the top end thereof; A support frame (18) which is fixedly mounted on the movable seats (16) on both sides and on which the injection die head (9) is fixedly mounted; One end of the first screw rod (17) passing through the mounting seat (35) is provided with a first screw sleeve (19) which is threadedly matched and in contact with the upper surface of the mounting seat (35); a support plate (20) is provided on the mounting seat (35); a second screw rod (21) is provided at a position of the frame (1) corresponding to the support plate (20); and one end of the second screw rod (21) passing through the support plate (20) is provided with a second screw sleeve (22) which is threadedly matched and in contact with the support plate (20).

5. The double-sided adhesive coating machine according to claim 4, characterized in that: The movable seat (16) is provided with a plurality of vertically arranged strip grooves (23), and the mounting seat (35) is provided with limiting bolts (24) inserted into the strip grooves (23).

6. The double-sided adhesive coating machine according to claim 1, characterized in that: The glue injection die head (9) comprises an upper template (25), a lower template (26) and a partition (27); the lower template (26) is provided with a flow groove (28) for glue to flow; the upper template (25) and the lower template (26) are fixedly connected and cooperate to clamp the partition (27); the partition (27) is U-shaped and its opening portion is a glue outlet; the side wall of the lower template (26) is provided with a glue injection hole (29) connected to the flow groove; the opening portion of the partition (27) is connected to the flow groove (28).

7. The double-sided adhesive coating machine according to claim 1, characterized in that: A plurality of adjusting rollers (30) for adjusting tension are provided between the first unwinding roller (2) and the first glue-applying roller (5), between the second unwinding roller (3) and the first glue-applying roller (5), and between the third unwinding roller (4) and the second glue-applying roller (6).

8. The double-sided adhesive coating machine according to claim 1, characterized in that: The frame (1) is provided with a second driving member (31) for driving the first pressure roller (10) to move.

9. The double-sided adhesive coating machine according to claim 1, characterized in that: The cutting assembly uses a cross-cutting knife (32) mounted on a frame and capable of maintaining up-and-down movement. A plurality of monitoring electric eyes (33) and a slitting knife (34) for cutting both sides of a finished product are also provided between the cross-cutting knife (32) and the extrusion unit.

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