Spraying and gluing device for multi-layer composite paperboard production

Abstract

The utility model discloses a spraying and gluing device for multi-layer composite paperboard production. The spraying and gluing device comprises a spraying frame and a spraying device, a workbench is arranged at the lower end of the spraying frame; the spraying device comprises sliding grooves, sliding seats, connecting rods, fixing seats, a spraying mounting frame, spraying pipes and lead screws, the sliding grooves are evenly formed in the upper surface of the spraying frame, the sliding seats are slidably connected into the sliding grooves correspondingly, the connecting rods are hinged to the interiors of the sliding seats through pin shafts correspondingly, and the fixing seats are hinged to the lower ends of the connecting rods through pin shafts correspondingly; and the lower ends of the four fixing bases are fixedly connected with the upper surface of a spraying mounting frame, spraying pipes which are evenly distributed are arranged in the spraying mounting frame, and lead screws are rotationally connected into the sliding grooves correspondingly. And the situation that the subsequent production operation of the multi-layer composite paperboard is affected due to the fact that the composite paperboard is soaked by insufficient viscosity or excessive adhesive on the bonding surface of the composite paperboard is effectively prevented.

Description

Technical Field

[0001] This utility model relates to the field of composite paperboard production technology, specifically to a spray coating device for producing multi-layer composite paperboard. Background Technology

[0002] With the rapid development of people's living standards, multi-layer composite paperboard is being used more and more frequently in daily life. Multi-layer composite paperboard is widely used in paper box processing and packaging, etc.

[0003] Application CN202221722321.9 discloses a spray coating device for composite paperboard production. The spray coating device is connected to a conveyor belt in front of the composite mechanism of the composite paperboard production equipment. The spray coating device includes a glue holding device, a spraying device, and a scraping device. The glue holding device is connected to the spraying device through a connecting pipe. A mounting frame is provided on the conveyor belt. The spraying device and the scraping device are mounted on the mounting frame. The spraying device includes a spray pipe that spans the conveyor belt and is fixed to the mounting frame. The spray pipe is connected to the connecting pipe. Multiple nozzles are evenly distributed on the spray pipe and are oriented towards the conveyor belt. The scraping device includes a scraping plate and a scraper frame. One end of the scraper frame is fixedly connected to the scraping plate and the other end is rotatably connected to the mounting frame.

[0004] The spray coating device for producing composite paperboard has some problems in actual operation. For example, the nozzle is fixed and long-term high-pressure operation may cause the entire frame to vibrate, resulting in uneven spraying due to spray gun vibration. The uncontrollable spraying height may lead to problems of too little or too much adhesive. Therefore, we propose a spray coating device for producing multi-layer composite paperboard. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the existing defects and provide a spray coating device for the production of multi-layer composite paperboard, which ensures the uniformity of the adhesive layer sprayed on the surface of the composite paperboard material and can effectively solve the problems in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a spray coating device for producing multi-layer composite paperboard, comprising a spraying frame and a spraying device;

[0007] Spray painting rack: It has a worktable at its lower end;

[0008] The spraying device includes a chute, a sliding seat, a connecting rod, a fixed seat, a spraying mounting frame, spraying pipes, and lead screws. The chute is evenly arranged on the upper surface of the spraying frame. Sliding seats are slidably connected inside the chute. Connecting rods are hinged inside the sliding seats via pins. Fixed seats are also hinged to the lower ends of the connecting rods via pins. The lower ends of the four fixed seats are fixedly connected to the upper surface of a spraying mounting frame. Spraying pipes are evenly distributed inside the spraying mounting frame. Lead screws are rotatably connected inside the chute. The lead screws are threadedly connected to the middle of the sliding seats located in the same chute. Every two horizontally adjacent lead screws are fixedly connected. The inlets of the spraying pipes are externally connected to external feeding equipment, effectively preventing insufficient viscosity or excessive foaming of the paperboard by the adhesive on the bonding surface of the composite paperboard, which would affect subsequent multi-layer composite paperboard production operations.

[0009] Furthermore, it also includes a microcontroller, which is located outside the device. The input terminal of the microcontroller is electrically connected to an external power source to control the normal operation of various electrical appliances.

[0010] Furthermore, the spraying device also includes sprockets and chains. The sprockets are fixedly connected to the left ends of the two left lead screws, and the two sprockets are connected by chain drive. A drive motor is provided on the front right side of the spraying frame. The output shaft of the drive motor is fixedly connected to the right end of the lead screw on the front left side. The input end of the drive motor is electrically connected to the output end of the microcontroller to provide power for height adjustment.

[0011] Furthermore, the lower end of the spray pipe is provided with uniformly distributed spray heads, and the input end of the spray head is electrically connected to the output end of the microcontroller to realize the function of spraying adhesive at the lower side.

[0012] Furthermore, the workbench is equipped with a roller conveyor line inside, and the rollers of the roller conveyor line are equipped with evenly distributed rubber anti-slip wheels. A bracket is fixedly connected to the bottom of the workbench, and the input end of the roller conveyor line is electrically connected to the output end of the microcontroller to realize the function of conveying raw materials.

[0013] Furthermore, it also includes a distance sensor, which is located in the middle of the upper inner wall of the spraying frame. A signal receiving board is provided in the middle of the upper surface of the spraying mounting frame. The distance sensor is bidirectionally electrically connected to the microcontroller to realize the function of measuring height.

[0014] Furthermore, the left and right sides of the spraying frame are rotatably connected to non-powered limiting rollers to ensure that the material spraying surface is flat.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This spray coating device for producing multi-layer composite paperboard has the following advantages:

[0016] By utilizing the self-locking property of the lead screw and the linkage mechanism to adjust the height of the spraying mounting frame, the spraying height can be controlled. With the height of the spraying mounting frame positioned at the four corners, the position of the glue gun can be adjusted to prevent the glue gun from vibrating and causing uneven spraying. Adjusting the spraying height allows the adhesive to be sprayed stably, appropriately, and evenly onto the surface of the composite paperboard, effectively preventing uneven spraying, insufficient viscosity, or excessive soaking of the composite paperboard on the bonding surface, which could affect subsequent multi-layer composite paperboard production operations. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of this utility model viewed from below.

[0019] In the diagram: 1 Spraying frame, 2 Spraying device, 21 Slide groove, 22 Sliding seat, 23 Connecting rod, 24 Fixed seat, 25 Spraying mounting frame, 26 Sprocket, 27 Chain, 28 Spraying pipe, 29 Lead screw, 3 Drive motor, 4 Distance sensor, 5 Workbench, 6 Roller conveyor line, 7 Rubber anti-slip wheel, 8 Bracket, 9 Microcontroller, 10 Non-powered limit roller, 11 Spraying head. Detailed Implementation

[0020] 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.

[0021] Please see Figure 1-2 This embodiment provides a technical solution: a spray coating device for producing multilayer composite paperboard, including a spray frame 1 and a spray device 2;

[0022] Spraying rack 1: It has a workbench 5 at its lower end and also includes a microcontroller 9. The microcontroller 9 is located outside the device. The input end of the microcontroller 9 is electrically connected to an external power source. The workbench 5 has a roller conveyor line 6 inside. The rollers of the roller conveyor line 6 are equipped with evenly distributed rubber anti-slip wheels 7. The bottom of the workbench 5 is fixedly connected to a bracket 8. The input end of the roller conveyor line 6 is electrically connected to the output end of the microcontroller 9. The left side wall and the front side of the right side wall of the spraying rack 1 are rotatably connected to a non-powered limiting roller 10. When the spraying and gluing device is needed, the microcontroller 9 can be adjusted to operate the roller conveyor line 6. At this time, the composite paperboard material can be placed on the roller conveyor line 6. The composite paperboard material is conveyed backward through the roller conveyor line 6. When it passes through the non-powered limiting roller 10, it will be flattened by the non-powered limiting roller 10 and then continue to be conveyed backward.

[0023] Spraying device 2: It includes a chute 21, a sliding seat 22, a connecting rod 23, a fixed seat 24, a spraying mounting frame 25, spraying pipes 28, and lead screws 29. The chute 21 is evenly arranged on the upper surface of the spraying frame 1. The sliding seats 22 are slidably connected inside the chute 21. The connecting rods 23 are hinged to the inside of each sliding seat 22 by a pin. The lower end of each connecting rod 23 is also hinged to a fixed seat 24 by a pin. The lower ends of the four fixed seats 24 are fixedly connected to the upper surface of a spraying mounting frame 25. The spraying mounting frame 25 is provided with evenly distributed spraying pipes 28 inside. The lead screws 29 are rotatably connected inside the chute 21. The lead screws 29 are threadedly connected to the middle of the sliding seats 22 located in the same chute 21. Between every two laterally adjacent lead screws 29 The spraying device 2 is fixedly connected to an external feeding device, with the inlet of the spraying pipe 28 connected to an external feeding device. The spraying device 2 also includes a sprocket 26 and a chain 27. The sprocket 26 is fixedly connected to the left ends of two left-side lead screws 29, and the two sprockets 26 are connected via the chain 27. A drive motor 3 is located on the front right side of the spraying frame 1. The output shaft of the drive motor 3 is fixedly connected to the right end of the lead screw 29 on the front left side. The input end of the drive motor 3 is electrically connected to the output end of the microcontroller 9. The lower end of the spraying pipe 28 has evenly distributed spray heads 11, and the input ends of the spray heads 11 are electrically connected to the output ends of the microcontroller 9. The device also includes a distance sensor 4, which is located in the middle of the upper inner wall of the spraying frame 1. A signal receiving board is located in the middle of the upper surface of the spraying mounting frame 25. The microcontroller 9 is bidirectionally electrically connected. When the composite paperboard material moves to the underside of the spraying mounting frame 25, the conveying speed of the roller conveyor 6 can be adjusted according to the material of the composite paperboard. Simultaneously, the microcontroller 9 controls the front lead screw 29 to rotate forward or backward, which in turn drives the rear lead screw 29 to rotate forward or backward via the sprocket 26 and chain 27. This causes the two sliding seats 22 on the left and the two sliding seats 22 on the right to move away from each other and closer together. This, in turn, drives the four fixed seats 24 to adjust their height simultaneously via the connecting rod 23, thereby adjusting the height of the spraying mounting frame 25. During this period, the microcontroller 9 controls the operation of the distance sensor 4, which measures the position between itself and the signal receiving board in real time and calculates the distance in real time. The position of the spray head 11 is determined, and the position information is returned to the microcontroller 9 in real time. The height of the spray head 11 is then determined and adjusted to the required spraying height. At this time, the external feeding equipment can be adjusted, and the adhesive enters the interior of the spray tube 28. Then, the spray head 11 continuously sprays the upper surface of the composite paperboard material at an appropriate height to complete the spraying operation. The composite paperboard material is then output to the outside of the device via the roller conveyor 6. It should be noted that when dealing with roll-type composite paperboard material, it is not necessary to use the roller conveyor 6 to transport the material. The roll material only needs to be placed on the non-powered limit roller 10, and the height of the spray head 11 can be adjusted again to perform the spray coating device for multi-layer composite paperboard production.

[0024] The working principle of the spray coating device for producing multi-layer composite paperboard provided by this utility model is as follows: When the spray coating device is needed, the microcontroller 9 and the roller conveyor 6 can be controlled to operate. At this time, the composite paperboard material can be placed on the roller conveyor 6. The composite paperboard material is conveyed backward by the roller conveyor 6. When it passes the non-powered limit roller 10, it will be flattened by the non-powered limit roller 10 and then continue to be conveyed backward. When the composite paperboard material moves to the lower side of the spraying mounting frame 25, the conveying speed of the roller conveyor 6 can be adjusted according to the material of the composite paperboard. At the same time, the microcontroller 9 and the drive motor 3 are controlled to operate. The output shaft of the drive motor 3 drives the lead screw 29 on the left front side to rotate forward or backward, and then drives the lead screw 29 on the rear side to rotate forward or backward through the sprocket 26 and the chain 27. This drives the two sliding seats 22 on the left and the two sliding seats 22 on the right to move away from each other and move closer to each other, and then drives the four through the connecting rod 23. The fixed base 24 is simultaneously height-adjusted. During this period, the microcontroller 9 controls the operation of the distance sensor 4. The distance sensor 4 measures the position between itself and the signal receiving board in real time and calculates the position of the spray head 11 in real time. Then, the position information is returned to the microcontroller 9 in real time to determine the height of the spray head 11. The height of the spray mounting bracket 25 is then adjusted to adjust the spray head 11 to the required spraying height. At this time, the external feeding equipment can be adjusted so that the adhesive enters the interior of the spray tube 28. Then, the spray head 11 continuously sprays the upper surface of the composite paperboard material at an appropriate height to complete the spraying operation. The composite paperboard material is then output to the outside of the device via the roller conveyor 6. It should be noted that when dealing with roll-type composite paperboard material, it is not necessary to use the roller conveyor 6 to transport the material. The roll material only needs to be placed on the non-powered limit roller 10, and the height of the spray head 11 is adjusted again to perform the spray coating device for multi-layer composite paperboard production.

[0025] It is worth noting that the microcontroller 9 disclosed in the above embodiments is specifically an STM32. The driver 3, the ranging sensor 4, the roller conveyor line 6, and the spray head 11 can be freely configured according to the actual application scenario. It is recommended that the driver 3 be an 86 series stepper motor, the ranging sensor 4 be a DMC-100A small laser ranging sensor, the roller conveyor line 6 be a conventional electric roller conveyor line, and the spray head 11 be an LH-11 model glue spray head. The microcontroller 9 controls the operation of the driver 3, the ranging sensor 4, the roller conveyor line 6, and the spray head 11 using methods commonly used in the prior art.

[0026] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A spray coating device for producing multi-layer composite paperboard, characterized in that: It includes a spraying frame (1) and a spraying device (2); Spray painting rack (1): Its lower end is equipped with a workbench (5); Spraying device (2): It includes a chute (21), a sliding seat (22), a connecting rod (23), a fixed seat (24), a spraying mounting frame (25), a spraying pipe (28), and a lead screw (29). The chute (21) is evenly arranged on the upper surface of the spraying frame (1). The sliding seat (22) is slidably connected to the inside of the chute (21). The connecting rod (23) is hinged to the inside of the sliding seat (22) by a pin. The lower end of the connecting rod (23) is also hinged to the fixed seat (24) by a pin. The lower ends of the four fixed seats (24) are fixedly connected to the upper surface of a spray mounting frame (25). The spray mounting frame (25) is provided with evenly distributed spray pipes (28). The inside of the slide groove (21) is rotatably connected with screws (29). The screws (29) are threadedly connected to the middle of the sliding seat (22) located in the same slide groove (21). Every two horizontally adjacent screws (29) are fixedly connected. The inlet of the spray pipe (28) is externally connected to the external feeding equipment.

2. The spray coating device for producing multi-layer composite paperboard according to claim 1, characterized in that: It also includes a microcontroller (9), which is located outside the device and its input terminal is electrically connected to an external power source.

3. The spray coating device for producing multi-layer composite paperboard according to claim 2, characterized in that: The spraying device (2) also includes a sprocket (26) and a chain (27). The sprocket (26) is fixedly connected to the left end of the two left lead screws (29). The two sprockets (26) are connected by the chain (27). A drive motor (3) is provided on the front right side of the spraying frame (1). The output shaft of the drive motor (3) is fixedly connected to the right end of the lead screw (29) on the left front side. The input end of the drive motor (3) is electrically connected to the output end of the microcontroller (9).

4. The spray coating device for producing multi-layer composite paperboard according to claim 2, characterized in that: The lower end of the spray pipe (28) is provided with uniformly distributed spray heads (11), and the input end of the spray head (11) is electrically connected to the output end of the microcontroller (9).

5. The spray coating device for producing multilayer composite paperboard according to claim 2, characterized in that: The workbench (5) is equipped with a roller conveyor line (6) inside. The rollers of the roller conveyor line (6) are equipped with evenly distributed rubber anti-slip wheels (7). The bottom of the workbench (5) is fixedly connected to a bracket (8). The input end of the roller conveyor line (6) is electrically connected to the output end of a microcontroller (9).

6. The spray coating device for producing multi-layer composite paperboard according to claim 2, characterized in that: It also includes a distance sensor (4), which is located in the middle of the upper inner wall of the spraying frame (1). A signal receiving board is provided in the middle of the upper surface of the spraying mounting frame (25). The distance sensor (4) is bidirectionally electrically connected to the microcontroller (9).

7. The spray coating device for producing multi-layer composite paperboard according to claim 1, characterized in that: The left and right sides of the spraying frame (1) are rotatably connected to non-powered limiting rollers (10).

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