Hot melt adhesive compound machine with extrusion roller cleaning structure

Abstract

The utility model discloses a hot melt adhesive compound machine with an extrusion roller cleaning structure. The hot melt adhesive compound machine comprises extrusion equipment, the extrusion equipment comprises an extrusion roller group and an extrusion roller cleaning structure; a glue spraying device is arranged above the extrusion device; the right side of the extrusion equipment is connected with the second uncoiling equipment; and a winding device is connected below the extrusion equipment through an output roller group. In some special use occasions, the compactness of materials compounded by a hot melt adhesive compounding machine is not enough, sprayed hot melt adhesive can permeate out through the materials to be adhered to the extrusion rollers, small solid particles are formed, the adhesive compounding strength is affected, two scraper bodies of the extrusion roller cleaning structure remove the small solid particles adhered to the second extrusion roller, and the adhesive compounding strength is affected. The product quality stability is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of hot melt adhesive compounding machines, in particular to a hot melt adhesive compounding machine with an extrusion roller cleaning structure. Background Art

[0002] Hot melt adhesive laminating machine is a processing machine used to laminate two or more materials into one through hot melt laminating. Its working principle is mainly based on heat radiation. The hot melt and other materials are heated to a molten state through a heating system, and the hot melt is atomized by compressed air and sprayed on two different materials, and then a certain pressure is applied to bond the two materials together. The two different materials laminated by the hot melt adhesive laminating machine: base paper, PBT, PP, glass fiber and other materials. The density of the materials to be laminated must meet the requirements, and the amount of glue cannot leak.

[0003] A hot melt adhesive compounding machine with the prior art authorization publication number CN213802745U comprises: a frame, a front discharge device and a rear discharge device symmetrically arranged at the front and rear ends of the frame, a first traction roller is arranged on the frame at the rear end of the front discharge device, a first deviation correction roller is arranged on the frame at the rear end of the first traction roller, a first width opening roller is arranged on the frame at the rear end of the first deviation correction roller, an upper cloth rubber roller is arranged on the frame at the rear end of the first width opening roller, a first tension controller is arranged on the frame at the rear end of the upper cloth rubber roller, an aluminum width opening roller is arranged on the frame at the lower end of the first tension controller, a second traction roller is arranged on the frame at the front end of the rear discharge device, a second deviation correction roller is arranged on the frame at the front end of the second traction roller, and a second width opening roller is arranged on the frame at the front end of the second deviation correction roller. The hot melt adhesive compounding machine is not provided with an extrusion roller cleaning structure, and cannot work well when the density of some materials does not meet the requirements and the glue amount is easily leaked. Utility Model Content

[0004] The utility model is to overcome the problem in the prior art that in some special usage occasions, the material compounded by the hot melt adhesive compounding machine is not dense enough, the sprayed hot melt adhesive can penetrate through the material and adhere to the extrusion roller to form small solid particles, which affects the adhesive compound strength. A hot melt adhesive compounding machine with an extrusion roller cleaning structure is provided.

[0005] In order to solve the above-mentioned technical problems, the utility model designs a hot melt adhesive laminating machine with an extrusion roller cleaning structure: including an extrusion device; the extrusion device includes an extrusion roller group and an extrusion roller cleaning structure; a glue spraying device is provided above the extrusion device; the extrusion device is connected to a first unwinding device on the left side and a second unwinding device on the right side; the extrusion device is connected to a winding device through an output roller group below, and the output roller group and the winding device constitute a winding device.

[0006] Preferably, the extrusion roller group includes a first extrusion roller and a second extrusion roller, the first extrusion roller is connected to the first conveying roller group, the second extrusion roller is connected to the second conveying roller group, and the first extrusion roller and the second extrusion roller rotate in opposite directions. The extrusion roller cleaning structure includes a first scraper body and a second scraper body, the first scraper body is arranged on the right side of the second extrusion roller, and the second scraper body is arranged at the lower end of the second extrusion roller. The first scraper body and the second scraper body in the extrusion roller cleaning structure have the same structure, the first scraper body includes a starting air tire, a fixed air tire and a scraper, the front end of the scraper is a flat blade structure, the tail end is a columnar structure, the starting air tire is arranged at the tail of the scraper, and the fixed air tire is arranged at the connection between the scraper blade structure and the columnar structure. The second unwinding device is used to convey materials with poor density. When in use, the sprayed hot melt adhesive can penetrate through the materials with poor density and adhere to the second extrusion roller to form small solid particles. At this time, the two scraper bodies of the extrusion roller cleaning structure remove the small solid particles adhering to the second extrusion roller to ensure the stability of product quality. The scraper body is controlled by starting the pneumatic tube, which opens after being inflated. The scraper body is pressed against the working surface through the lever action, and the pneumatic tube is fixedly inflated and opened after reaching a certain pressure, thereby locking the position of the mechanism.

[0007] Preferably, the first unwinding device and the second unwinding device are provided with a correction cylinder and a slideway. The first unwinding device includes a first unwinding device and a first conveying roller group, the first unwinding device is connected to the first squeezing roller through the first conveying roller group, a slideway and a correction cylinder are provided at the bottom of the first unwinding device, and an infrared sensor is provided on the first conveying roller group. The second unwinding device includes a second unwinding device and a second conveying roller group, the second unwinding device is connected to the second squeezing roller through the second conveying roller group, a slideway and a correction cylinder are provided at the bottom of the second unwinding device, and an infrared sensor is provided on the second conveying roller group. The first unwinding device and the second unwinding device can detect whether deflection occurs when conveying materials through infrared sensors. If deflection occurs, the correction cylinder can be used to fine-tune the entire device on the slideway to achieve a correction effect.

[0008] Preferably, the first conveying roller group, the second conveying roller group and the output roller group are provided with a sliding cylinder and a tension roller, and the sliding cylinder is provided with a pneumatic valve to adjust the tension. The sliding cylinder drives the tension roller to control the tension during material conveying, thereby ensuring the stability of material conveying.

[0009] The advantage of the utility model is that when processing certain materials whose density does not meet the requirements and are prone to glue leakage, the sprayed hot melt adhesive can penetrate through the material with poor density and adhere to the extrusion roller to form small solid particles. The utility model can use the extrusion roller cleaning structure to remove the small solid particles adhered to the first extrusion roller and the second extrusion roller, thereby ensuring the stability of product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is the overall front view structural diagram of the first embodiment of the utility model.

[0011] Figure 2 This is a structural diagram of the extrusion roller group described in Example 1 of the utility model.

[0012] Figure 3 This is a structural diagram of the extrusion roller group described in Example 2 of the utility model.

[0013] In the figure, 1 is an extrusion device, 2 is a first extrusion roller, 3 is a second extrusion roller, 4 is a first scraper body, 5 is a second scraper body, 6 is a first unwinding device, 7 is a second unwinding device, 8 is a sliding cylinder, 9 is a pneumatic valve, 10 is a tension roller, 11 is a slide, 12 is a correction cylinder, 13 is a winding device, 14 is an infrared sensor, 15 is a first conveying roller group, 16 is a second conveying roller group, 17 is an output roller group, 18 is a starting pneumatic tire, 19 is a fixed pneumatic tire, 20 is a glue spraying device, 21 is a third scraper body, and 22 is a fourth scraper body. DETAILED DESCRIPTION

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0015] Embodiment 1: Figure 1 As shown, the first embodiment of the utility model designs a hot melt adhesive compound machine with an extrusion roller cleaning structure: comprising an extrusion device 1; the extrusion device 1 comprises an extrusion roller group and an extrusion roller cleaning structure; a glue spraying device 20 is arranged above the extrusion device 1; the extrusion device 1 is connected to a first unwinding device on the left side and a second unwinding device on the right side; the extrusion device 1 is connected to a rewinding device 13 through an output roller group 17 below, and the output roller group 17 and the rewinding device 13 form a rewinding device. The unwinding device conveys the material through the conveying roller group, and the two materials are squeezed at the extrusion device 1 and are sprayed and fused by the glue spraying device 20 above, and are recovered through the output roller group and the rewinding device 13.

[0016] As a further improvement of the utility model, the squeezing roller group includes a first squeezing roller 2 and a second squeezing roller 3, the first squeezing roller 2 is connected to the first conveying roller group 15, the second squeezing roller 3 is connected to the second conveying roller group 16, and the first squeezing roller 2 and the second squeezing roller 3 rotate in opposite directions. The squeezing roller cleaning structure includes a first scraper body 4 and a second scraper body 5, the first scraper body 4 is arranged on the right side of the second squeezing roller 3, and the second scraper body 5 is arranged at the lower end of the second squeezing roller 3. The squeezing roller cleaning structure is as follows Figure 2As shown, the first scraper body 4 and the second scraper body 5 have the same structure. The first scraper body 4 includes a starting air tire 18, a fixed air tire 19 and a scraper. The front end of the scraper is a flat blade structure, and the rear end is a columnar structure. The starting air tire 18 is arranged at the rear of the scraper, and the fixed air tire 19 is arranged at the connection between the scraper blade structure and the columnar structure. The second unwinding device is used to transport materials with poor density. When used, the sprayed hot melt adhesive can penetrate through the materials with poor density and adhere to the second extrusion roller 3 to form small solid particles. At this time, the two scraper bodies of the extrusion roller cleaning structure remove the small solid particles adhered to the second extrusion roller 3 to ensure the stability of product quality. The scraper body is controlled by the starting air tire 18. The starting air tire 18 opens after being inflated. The scraper body is pressed against the working surface through the lever action. After reaching a certain pressure, the fixed air tire 19 is inflated and opened, and the position of the mechanism is locked to ensure the scraping force of the scraper body, so that the scraper body can remove the small solid particles adhered to the second extrusion roller 3.

[0017] As a further improvement of the utility model, the first unwinding device and the second unwinding device are provided with a correction cylinder 12 and a slideway 11. The first unwinding device includes a first unwinding device 6 and a first conveying roller group 15, the first unwinding device 6 is connected to the first squeezing roller 2 through the first conveying roller group 15, the bottom end of the first unwinding device is provided with a slideway 11 and a correction cylinder 12, and the first conveying roller group 15 is provided with an infrared sensor 14. The second unwinding device includes a second unwinding device 7 and a second conveying roller group 16, the second unwinding device 7 is connected to the second squeezing roller 3 through the second conveying roller group 16, the bottom end of the second unwinding device is provided with a slideway 11 and a correction cylinder 12, and the second conveying roller group 16 is provided with an infrared sensor 14. The first unwinding device and the second unwinding device can detect whether deflection occurs when conveying materials through the infrared sensor 14, and if deflection occurs, the correction cylinder 12 can be used to fine-tune the entire device on the slideway 11 to achieve the correction effect. The slideway 11 includes a slide rail and a slide groove, which are interlocked with each other, and the first unwinding device 6 and the second unwinding device 7 can realize left and right transverse movement through the slideway 11. The infrared sensor 14 detects whether the material is offset during transportation, and if offset occurs, it sends a signal to the correction cylinder 12, and the correction cylinder 12 drives the unwinding device to move transversely on the slideway 11 by swelling and contraction to correct the deviation of material transportation.

[0018] As a further improvement of the utility model, a sliding cylinder 8 and a tension roller 10 are provided on the first unwinding device, the first conveying roller group 15, the second conveying roller group 16 and the output roller group 17, and a pneumatic valve 9 is provided on the sliding cylinder 8 to adjust the tension. The sliding cylinder 8 drives the tension roller 10 to control the tension during material conveying to ensure the stability of material conveying.

[0019] When using a hot melt adhesive laminating machine, it is sometimes necessary to process some materials with poor density. At this time, if the hot melt adhesive laminating machine is used directly, the sprayed hot melt adhesive can penetrate through the poorly dense materials and adhere to the extrusion roller, forming small solid particles, which affects the adhesive laminating strength. Therefore, it is necessary to use an extrusion roller cleaning structure to clean the small solid particles on the extrusion roller to ensure the stability of product quality. When the hot melt adhesive compounding machine with an extrusion roller cleaning structure provided in the first embodiment is used, the material with poor density needs to be placed in the second unwinding device 7 to input the product. The second unwinding device 7 conveys the material with poor density to the second extrusion roller 3 through the second conveying roller group 16. During the spraying and compounding process, the hot melt adhesive can penetrate through the material with poor density and adhere to the second extrusion roller 3 to form small solid particles. At this time, the starting air tire 18 of the first scraper body 4 and the second scraper body 5 in the extrusion roller cleaning structure is inflated and opened, and the scraper body is pressed against the working surface of the second extrusion roller 3 through the lever action. After reaching a certain pressure, the fixed air tire 19 is inflated to lock the position of the mechanism, and the scraper body removes the small solid particles adhered to the second extrusion roller 3, ensuring the adhesive strength of the hot melt adhesive compounding machine and the stability of the product quality. The product after the adhesive bonding is completed is conveyed to the winding device for recycling through the output roller group 17. The conveying roller group and the output roller group 17 are prone to offset during the transmission process, which can be adjusted by the correction cylinder 12 and the slideway 11. The first unwinding device and the second unwinding device are provided with a slideway 11 and a deviation correction cylinder 12 at the bottom, and the first conveying roller group 15 and the second conveying roller group 16 are provided with an infrared sensor 14. The infrared sensor 14 detects whether the material is deviated during conveying. If it is deviated, a signal is sent to the deviation correction cylinder 12. The deviation correction cylinder 12 drives the unwinding device to move horizontally on the slideway 11 by swelling and contraction to correct the deviation of the material conveying. At the same time, the tension of each roller group during conveying can be controlled by the sliding cylinder 8 and the tension roller 10. The sliding cylinder 8 drives the tension roller 10 to control the tension of the material during conveying, thereby ensuring the stability of the material conveying.

[0020] Embodiment 2: Embodiment 2 of the present invention designs a hot melt adhesive compounding machine with an extrusion roller cleaning structure: comprising an extrusion device 1; the extrusion device 1 comprises an extrusion roller group and an extrusion roller cleaning structure; a glue spraying device 20 is arranged above the extrusion device 1; the extrusion device 1 is connected to a first unwinding device on the left side and a second unwinding device on the right side; the extrusion device 1 is connected to a rewinding device 13 through an output roller group 17 below, and the output roller group 17 and the rewinding device 13 form a rewinding device. The unwinding device conveys the material through the conveying roller group, and the two materials are squeezed at the extrusion device 1 and are sprayed and fused by the glue spraying device 20 above, and are recovered through the output roller group and the rewinding device 13.

[0021] As a further improvement of the utility model, the squeezing roller group includes a first squeezing roller 2 and a second squeezing roller 3, the first squeezing roller 2 is connected to the first conveying roller group 15, the second squeezing roller 3 is connected to the second conveying roller group 16, and the first squeezing roller 2 and the second squeezing roller 3 rotate in opposite directions. The squeezing roller cleaning structure includes four scraper bodies, wherein the first scraper body 4 is arranged on the right side of the second squeezing roller 3, the second scraper body 5 is arranged at the lower end of the second squeezing roller 3, the third scraper body 21 is arranged on the left side of the first squeezing roller 2, and the fourth scraper body 22 is arranged at the lower end of the first squeezing roller 2. The four scraper bodies have the same structure, the first scraper body 4 includes a starting air tire 18, a fixed air tire 19 and a scraper, the front end of the scraper is a flat blade structure, and the rear end is a columnar structure, the starting air tire 18 is arranged at the tail of the scraper, and the fixed air tire 19 is arranged at the connection between the scraper blade structure and the columnar structure. When conveying materials with poor density, the hot melt adhesive sprayed during use can penetrate through the materials with poor density and adhere to the extrusion rollers to form small solid particles. At this time, the two scraper bodies of the extrusion roller cleaning structure remove the small solid particles adhering to the first extrusion roller 2 and the second extrusion roller 3 to ensure the stability of product quality. The scraper body is controlled by starting the air tire 18, which is inflated and opened. The scraper body is pressed against the working surface through the lever action. After reaching a certain pressure, the fixed air tire 19 is inflated and opened, locking the position of the mechanism to ensure the scraping force of the scraper body, so that the scraper body can remove the small solid particles adhering to the second extrusion roller 3.

[0022] As a further improvement of the utility model, the first unwinding device and the second unwinding device are provided with a correction cylinder 12 and a slideway 11. The first unwinding device includes a first unwinding device 6 and a first conveying roller group 15, the first unwinding device 6 is connected to the first squeezing roller 2 through the first conveying roller group 15, the bottom end of the first unwinding device is provided with a slideway 11 and a correction cylinder 12, and the first conveying roller group 15 is provided with an infrared sensor 14. The second unwinding device includes a second unwinding device 7 and a second conveying roller group 16, the second unwinding device 7 is connected to the second squeezing roller 3 through the second conveying roller group 16, the bottom end of the second unwinding device is provided with a slideway 11 and a correction cylinder 12, and the second conveying roller group 16 is provided with an infrared sensor 14. The first unwinding device and the second unwinding device can detect whether deflection occurs when conveying materials through the infrared sensor 14, and if deflection occurs, the correction cylinder 12 can be used to fine-tune the entire device on the slideway 11 to achieve the correction effect. The slideway 11 includes a slide rail and a slide groove, which are interlocked with each other, and the first unwinding device 6 and the second unwinding device 7 can realize left and right transverse movement through the slideway 11. The infrared sensor 14 detects whether the material is offset during transportation, and if offset occurs, it sends a signal to the correction cylinder 12, and the correction cylinder 12 drives the unwinding device to move transversely on the slideway 11 by swelling and contraction to correct the deviation of material transportation.

[0023] As a further improvement of the utility model, a sliding cylinder 8 and a tension roller 10 are provided on the first conveying roller group 15, the second conveying roller group 16 and the output roller group 17, and a pneumatic valve 9 is provided on the sliding cylinder 8 to adjust the tension. The sliding cylinder 8 drives the tension roller 10 to control the tension during material conveying and ensure the stability of material conveying.

[0024] In the process of using the hot melt adhesive compounding machine, sometimes it is necessary to process some materials with poor density. At this time, if the hot melt adhesive compounding machine is used directly, the sprayed hot melt adhesive can penetrate through the material with poor density and adhere to the extrusion roller, forming small solid particles, which affects the adhesive strength. Therefore, it is necessary to use an extrusion roller cleaning structure to clean the small solid particles on the extrusion roller to ensure the stability of product quality. When the hot melt adhesive compounding machine with an extrusion roller cleaning structure provided in the second embodiment is used, the hot melt adhesive can penetrate through the material with poor density and adhere to the first extrusion roller 2 and the second extrusion roller 3 during the spraying and compounding process to form small solid particles. At this time, the starting air tire 18 of the first scraper body 4 and the second scraper body 5 in the extrusion roller cleaning structure is inflated and opened, and the scraper body is pressed against the working surface of the two extrusion rollers through the lever action. After reaching a certain pressure, the fixed air tire 19 is inflated to lock the position of the mechanism, and the first scraper body 4 cleans the first extrusion roller 2, and the second scraper body 5 cleans the second extrusion roller 3. The scraper body removes the small solid particles adhering to the second extrusion roller 3 by scraping, ensuring the adhesive strength of the hot melt adhesive compounding machine and the stability of product quality. The finished product is transported to the winding device for recycling through the output roller group 17. The conveying roller group and the output roller group 17 are prone to deviation during the transmission process, which can be adjusted by the correction cylinder 12 and the slide 11. The first unwinding device and the second unwinding device are provided with a slide 11 and a correction cylinder 12 at the bottom, and the first conveying roller group 15 and the second conveying roller group 16 are provided with an infrared sensor 14. The infrared sensor 14 detects whether the material is deviated during transportation. If it is deviated, it sends a signal to the correction cylinder 12. The correction cylinder 12 drives the unwinding device to move horizontally on the slide 11 by swelling and contraction to correct the deviation of the material transportation. At the same time, the tension of each roller group during transportation can be controlled by the sliding cylinder 8 and the tension roller 10. The sliding cylinder 8 drives the tension roller 10 to control the tension of the material during transportation to ensure the stability of material transportation.

[0025] The above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model.

Claims

1. A hot melt adhesive laminating machine with an extrusion roller cleaning structure, characterized in that: It comprises an extrusion device; the extrusion device comprises an extrusion roller group and an extrusion roller cleaning structure; a glue spraying device is arranged above the extrusion device; the left side of the extrusion device is connected to a first unwinding device, and the right side is connected to a second unwinding device; the lower part of the extrusion device is connected to a winding device through an output roller group.

2. A hot melt adhesive laminating machine with an extrusion roller cleaning structure according to claim 1, characterized in that: The squeezing roller group comprises a first squeezing roller and a second squeezing roller, the first squeezing roller is connected to the first unwinding device via a first conveying roller group, the second squeezing roller is connected to the second unwinding device via a second conveying roller group, and the first squeezing roller and the second squeezing roller rotate in opposite directions.

3. The hot melt adhesive laminating machine with a squeezing roller cleaning structure according to claim 1, characterized in that: The squeezing roller cleaning structure comprises a first scraper body and a second scraper body, wherein the first scraper body is arranged on the right side of the second squeezing roller, and the second scraper body is arranged on the lower end of the second squeezing roller.

4. A hot melt adhesive laminating machine with an extrusion roller cleaning structure according to claim 1 or 3, characterized in that: The first scraper body and the second scraper body in the squeezing roller cleaning structure have the same structure. The first scraper body includes a scraper. The front end of the scraper is a flat blade structure, and the rear end is a columnar structure. A starting air tire is provided at the rear of the scraper, and a fixed air tire is provided at the connection between the flat blade structure and the columnar structure of the scraper.

5. The hot melt adhesive laminating machine with a squeezing roller cleaning structure according to claim 1, characterized in that: The first unwinding device includes a first unwinding device and a first conveying roller group. The first unwinding device is connected to the first squeezing roller through the first conveying roller group. A slideway and a correction cylinder are provided at the bottom of the first unwinding device, and an infrared sensor is provided on the first conveying roller group.

6. The hot melt adhesive laminating machine with a squeezing roller cleaning structure according to claim 1, characterized in that: The second unwinding device comprises a second unwinding device and a second conveying roller group, the second unwinding device is connected to the second squeezing roller through the second conveying roller group, a slideway and a deviation correction cylinder are arranged at the bottom of the second unwinding device, and an infrared sensor is arranged on the second conveying roller group.

7. A hot melt adhesive laminating machine with an extrusion roller cleaning structure according to claim 1 or 5, characterized in that: The first unwinding device also includes a sliding cylinder and a tension roller arranged on the first conveying roller group, and a pneumatic valve is arranged on the sliding cylinder to adjust the tension.

8. A hot melt adhesive laminating machine with a squeezing roller cleaning structure according to claim 1 or 6, characterized in that: The second unwinding device also includes a sliding cylinder and a tension roller arranged on the second conveying roller group, and a pneumatic valve is arranged on the sliding cylinder to adjust the tension.

9. The hot melt adhesive laminating machine with an extrusion roller cleaning structure according to claim 1, characterized in that: The output roller group is provided with a sliding cylinder and a tension roller, and the sliding cylinder is provided with a pneumatic valve for adjusting the tension.

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