Automatic impregnating system for resin-coated paper tube

Abstract

The invention relates to the technical field of film-coated paper tube production, in particular to an automatic resin film-coated paper tube dipping system which comprises a support, a conveying belt assembly fixedly connected to the outer side of the support, a pushing assembly arranged on the outer side of the conveying belt assembly, a to-be-processed area and a dipping pool arranged on the inner side of the conveying belt assembly in a closely adjacent mode, and a clamping assembly arranged above the to-be-processed area. And the clamping assembly is used for grabbing, clamping, dipping and transporting the paper tubes through the horizontal driving assembly and the vertical pneumatic assembly. The system is suitable for dipping operation of paper tubes with different lengths and sizes, and is convenient to clean and high in automation degree.

Description

Technical Field

[0001] The invention relates to the technical field of coated paper tube production, and in particular to an automatic impregnation system for resin coated paper tubes. Background Art

[0002] Resin-coated paper tube is a composite material tube that combines a paper tube base material and a resin coating layer. While retaining the advantages of paper tubes such as light weight and environmental protection, it significantly improves its mechanical strength and water-resistant, moisture-resistant and corrosion-resistant properties through resin coating technology. Resin-coated paper tubes are widely used in electronics, packaging, printing, chemical and other industries.

[0003] The impregnation method is a common surface treatment technology. The paper tube is immersed in the resin liquid so that the resin is evenly attached to the surface of the paper tube, and then cured to form a coating layer. Through the search of the prior art, it was found that the Chinese patent with the announcement number CN116752376A discloses "an impregnation system for paper tube production". The equipment realizes the automatic and full impregnation of paper tubes through the pushing and rolling functions, which improves the impregnation efficiency and uniformity. However, it is worth thinking about that, on the one hand, the pushing and rolling components of the equipment are only suitable for long impregnated paper tubes, and short paper tubes that have been cut into finished lengths cannot be impregnated; on the other hand, the conveying component of the equipment is repeatedly immersed in the impregnation tank below with the paper tube during use. Considering the compactness of the device, it needs to be disassembled and cleaned later, which is difficult to clean and has certain limitations.

[0004] Therefore, in order to solve the above problems, a related facility that better meets the usage requirements is needed. Summary of the invention

[0005] In view of this, the purpose of the present invention is to propose an automatic impregnation system for resin-coated paper tubes to solve the problem that the existing equipment is not suitable for impregnation operations of short paper tubes and is difficult to clean.

[0006] Based on the above-mentioned purpose, the present invention provides an automatic impregnation system for resin-coated paper tubes, including a bracket, a conveyor belt assembly is fixedly installed on the side of the bracket, a pushing assembly is arranged on the side of the conveyor belt assembly away from the bracket, a processing area is arranged inside the bracket, the processing area is adjacent to the conveyor belt assembly, a clamping assembly is arranged above the processing area, a vertical pneumatic assembly is arranged above the clamping assembly, a horizontal driving assembly is arranged on the side of the clamping assembly, and the clamping assembly includes a plurality of mechanical clamping arms.

[0007] Furthermore, the conveyor belt assembly includes a first fixed bracket fixedly connected to the side of the bracket, a conveyor belt is arranged inside the first fixed bracket, and the conveyor belt includes a plurality of rectangular grooves, which are equidistantly arranged along the running length direction of the conveyor belt, and extend along the entire width direction of the conveyor belt.

[0008] Furthermore, the pushing assembly includes a second fixed bracket fixedly connected to the side of the conveyor belt assembly away from the bracket, two first guide rails are arranged at both ends of the second fixed bracket, a first cylinder is fixedly connected to the middle of the second fixed bracket, a push plate is connected to the output end of the first cylinder, the push plate is located above the side of the conveyor belt away from the bracket, position sensing sensors are equidistantly arranged above the push plate, two first sliders are fixedly connected at both ends of the push plate, and the first sliders are sleeved on the first guide rails.

[0009] Furthermore, the horizontal drive assembly includes a first motor arranged on the top of the bracket, a screw rod is fixedly connected to the output end of the first motor, an adaptive threaded slider is sleeved on the outside of the screw rod, the end of the screw rod is rotatably connected to a rotating bearing away from the output end of the first motor, and two second guide rails are arranged at both ends of the top of the bracket along the length direction of the conveyor track.

[0010] Furthermore, the vertical pneumatic component includes a second cylinder fixedly connected to the side of the threaded slider, the second cylinder is placed vertically, a guide rail bracket is arranged on the outer periphery of the bottom of the second cylinder, the output end of the second cylinder passes through the top of the guide rail bracket, second sliders are arranged at both ends of the guide rail bracket, the second slider is slidably connected to the second guide rail, and a third guide rail is arranged at the bottom of both ends of the guide rail bracket away from the second slider, and a third slider is slidably connected to the third guide rail.

[0011] Furthermore, the clamping assembly includes a crossbeam fixedly connected to the output end of the second cylinder, both ends of the crossbeam are fixedly connected to the third slider, and mechanical clamping arms are equidistantly arranged at the bottom of the crossbeam.

[0012] Furthermore, the mechanical clamping arm includes a third cylinder, the bottom of the third cylinder is fixedly connected to the base plate, the output end of the third cylinder passes through the base plate and is fixedly connected to the lifting plate, the two ends of the base plate are rotatably connected to the left clamping plate and the right clamping plate, the middle part of the left clamping plate and the right clamping plate is rotatably connected to the lifting plate, and the left clamping plate and the right clamping plate are sprayed with a release agent.

[0013] Optionally, the conveying belt further includes triangular convex grooves, which are continuously arranged along the length direction of the conveying belt, and recesses are formed between adjacent triangular convex grooves.

[0014] Beneficial effects of the present invention: 1. This device uses a mechanical clamp arm to transport the paper tube to be impregnated from the conveyor belt to the impregnation tank. Compared with the push and roll of the existing equipment, the mechanical clamp arm can hold the paper tube inside or outside, making it suitable for clamping short paper tubes with different inner diameters. During the entire impregnation process, only the left and right clamps enter the impregnation tank with the paper tube. The release agent sprayed on the left and right clamps makes it easy to peel off the resin from the surface of the clamps after curing, and it is convenient to clean without disassembly.

[0015] 2. This device positions the paper tube through rectangular grooves or triangular convex grooves, and controls the operation of the conveyor belt assembly and the push assembly through position sensing sensors. It does not require manual labor and observation, and has a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of Embodiment 1 of the present invention; Figure 2 This is a schematic structural diagram of a conveyor belt assembly according to Embodiment 1 of the present invention; Figure 3 This is a schematic diagram of the structure of a push component in Embodiment 1 of the present invention; Figure 4 This is a schematic structural diagram of a clamping assembly and a driving assembly thereof according to Embodiment 1 of the present invention; Figure 5 This is a schematic diagram of the internal structure of the mechanical clamping arm of Example 1 of the present invention; Figure 6 It is a schematic structural diagram of the conveyor belt assembly of Example 2 of the present invention.

[0017] The markings in the figure are: 1, bracket; 2, conveyor belt assembly; 201, first fixed bracket; 202, conveyor crawler; 203, rectangular groove; 204, triangular convex groove; 2041, concave portion; 3, push assembly; 301, second fixed bracket; 302, first cylinder; 303, push plate; 304, first slider; 305, first guide rail; 306, position sensing sensor; 4, area to be processed; 5, horizontal drive assembly; 501, screw rod; 502, first motor; 503, rotating bearing; 504, threaded slider; 505, second guide rail; 506, second slider; 6, vertical pneumatic assembly; 601, second cylinder; 602, guide rail bracket; 603, third guide rail; 604, third slider; 7, clamping assembly; 701, crossbeam; 702, mechanical clamping arm; 7021, left clamping plate; 7022, right clamping plate; 7023, third cylinder; 7024, bottom plate; 7025, lifting plate; 8, immersion tank; 9, unloading area. DETAILED DESCRIPTION

[0018] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0019] Embodiment 1: For the impregnation operation of short paper tubes, this embodiment proposes an automatic impregnation system for resin-coated paper tubes, such as Figure 1As shown, it includes a bracket 1, a conveyor belt assembly 2 is fixedly connected to the front of the bracket 1, a pushing assembly 3 is arranged in front of the conveyor belt assembly 2, a processing area 4, an immersion tank 8 and a unloading area 9 are arranged in sequence behind the conveyor belt assembly, a clamping assembly 7 is arranged above the processing area 4, and the top of the clamping assembly 7 is connected to a vertical pneumatic assembly 6 to achieve up and down movement. The vertical pneumatic assembly 6 is slidably connected to the horizontal driving assembly 5, thereby driving the clamping assembly 7 thereunder to achieve horizontal movement.

[0020] like Figure 2 As shown, the conveyor belt assembly 2 includes a first fixed bracket 201, and a conveyor belt 202 is placed in the first fixed bracket 201. It is well known in the art that the conveyor belt 202 is operated by a reduction motor and an end driving roller, and the connection setting is also common knowledge, so no further explanation is given here. The conveyor belt 202 has rectangular grooves 203 equidistantly arranged along the running length direction, and the rectangular grooves 203 extend along the entire width direction of the conveyor belt 202. The paper tube to be impregnated is vertically placed in the rectangular groove 203 with the tube mouth facing upward. The rectangular groove 203 is used to position the paper tube to facilitate subsequent pushing and clamping operations.

[0021] like Figure 3 As shown, the pushing assembly 3 includes a second fixed bracket 301 fixedly connected to the front of the first fixed bracket 201, the second fixed bracket 301 is slidably connected to the push plate 303 through the first guide rail 305 and the first slider 304, the push plate 303 is arranged above the side of the conveying crawler 202 away from the bracket 1, the push plate 303 is driven by the first cylinder 302 fixedly connected to the second fixed bracket 301, and position sensing sensors 306 are equidistantly arranged above the push plate 303. In the process of conveying paper tubes by the conveying crawler 202, when the position sensing sensor 306 on the far right detects the appearance of paper tubes, the conveying crawler 202 is suspended, the first cylinder 302 is started to inflate and pressurize, and the push plate 303 is driven to sort and drive the paper tubes to move to the processing area 4, just below the clamping assembly 7.

[0022] like Figure 4As shown, the clamping assembly 7 includes a crossbeam 701 and a mechanical clamping arm 702 equidistantly arranged at the bottom of the crossbeam 701, the top of the middle part of the crossbeam 701 is fixedly connected to the output end of the second cylinder 601, and the two ends of the crossbeam 701 are slidably connected to the guide rail bracket 602 through the third slider 604 and the third guide rail 603, and the clamping assembly 7 is moved up and down through the vertical pneumatic assembly 6; the side of the second cylinder 601 is fixedly connected to the threaded slider 504, and the threaded slider 504 is sleeved on the screw rod 501 to form a screw nut mechanism, and a rotating bearing 503 is arranged at the end of the screw rod 501, and the first motor 502 controls the rotation of the screw rod 501 to be converted into horizontal movement of the threaded slider 504 and the second cylinder 601 fixedly connected thereto, thereby driving the horizontal movement of the clamping assembly 7, during which the stability of the horizontal movement is ensured by the second guide rail 505 fixedly connected to the top of the bracket 1 and the second slider 506 fixedly connected to the guide rail bracket 602.

[0023] like Figure 5 As shown, the mechanical clamping arm 702 includes a third cylinder 7023, a bottom plate 7024 is fixedly connected to the bottom of the third cylinder 7023, a lifting plate 7025 is fixedly connected to the output end of the third cylinder 7023, and a left clamping plate 7021 and a right clamping plate 7022 are rotatably connected at both ends of the bottom plate 7024 and the lifting plate 7025. The left clamping plate 7021 and the right clamping plate 7022 rotate synchronously around the axis under the push of the third cylinder 7023 to form the opening and closing of the mechanical clamping arm 702, and the internal clamping and external clamping modes can be adjusted according to the size of the inner diameter of the paper tube.

[0024] Working process and principle: Paper tube transportation: Start the conveyor belt 202. During the movement of the conveyor belt 202, the paper tubes to be impregnated are sequentially conveyed to the rectangular grooves 203 on the conveyor belt 202 through the conveying device of the previous process in the production line. When the position sensing sensor 306 on the far left detects the appearance of the paper tube, the conveyor belt 202 is stopped and the first cylinder 302 is started to inflate and pressurize, driving the push plate 303 to move the paper tube located on the conveyor belt 202 at this time. When the paper tube moves to the area to be processed 4 directly below the mechanical clamping arm 702 of the clamping assembly 7, the push is stopped, the first cylinder 302 is exhausted and decompressed, and the output end retracts to the initial position.

[0025] Paper tube clamping: adjust the initial positions of the left clamping plate 7021 and the right clamping plate 7022 according to the diameter of the paper tube. When the diameter of the paper tube is large, adjust the left clamping plate 7021 and the right clamping plate 7022 to a closed state through the third cylinder 7023 to perform the inner clamping operation; when the diameter of the paper tube is small, adjust the left clamping plate 7021 and the right clamping plate 7022 to an open state through the third cylinder 7023 to perform the outer clamping operation. Start the second cylinder 601 to start inflating and pressurizing, drive the crossbeam 701 to drive the mechanical clamping arm 702 to move downward until the left clamping plate 7021 and the right clamping plate 7022 move to the clamping position, close the valve of the second cylinder 601 to stop driving, start the third cylinder 7023 to change the open and closed state of the left clamping plate 7021 and the right clamping plate 7022, clamp the paper tube to be impregnated, and then start the second cylinder 601 to exhaust and reduce pressure, and drive the mechanical clamping arm 702 back to the initial position.

[0026] Paper tube impregnation: Start the first motor 502, the screw rod 501 starts to rotate, and the threaded slider 504 mounted thereon moves horizontally, thereby driving the clamping assembly 7 and the clamped paper tube to move. When the paper tube moves to the top of the impregnation tank 8, the first motor 502 is turned off to stop the movement, and the second cylinder 601 is started to inflate and pressurize, driving the clamping assembly 7 and the paper tube to extend into the impregnation tank 8 for impregnation. After the paper tube is fully impregnated, the second cylinder 601 is started to exhaust and reduce pressure, and the paper tube is lifted out of the impregnation tank 8, and left to stand for a period of time for preliminary draining.

[0027] Paper tube unloading: if there is no obvious dripping of coating material at the bottom of the paper tube to be clamped, start the first motor 502 again to move the paper tube to above the unloading area 9, start the second cylinder 601 to inflate and pressurize, drive the clamping assembly 7 to place the paper tube in the unloading area 9, and wait for the next production operation. The clamping assembly 7 returns to the initial position under the joint drive of the horizontal drive assembly 5 and the vertical pneumatic assembly 6, and waits for the next batch of paper tubes to be delivered.

[0028] Example 2: For the impregnation operation of long paper tubes, this example uses a device similar to that of Example 1, except that Figure 6 The conveyor belt assembly shown is used for conveying and positioning. The conveyor belt 202 in this embodiment is continuously arranged with triangular convex grooves 204 in the running length direction. The recessed portion 2041 formed between adjacent triangular convex grooves 204 is used to place long paper tubes. On the one hand, it prevents the long paper tubes from rolling. On the other hand, it is used to position the paper tubes to facilitate subsequent pushing and clamping operations.

[0029] Working process and principle: The working process and principle of this embodiment are roughly similar to those of Embodiment 1. During the paper tube transportation process, a conveyor belt 202 with triangular convex grooves 204 is used, and the long paper tube is placed flat in the recess 2041 between adjacent triangular convex grooves 204; during the paper tube clamping process, an external clamping method is adopted, and the left clamping plate 7021 and the right clamping plate 7022 are initially in an open state.

Claims

1. A resin coated paper tube automatic impregnation system, comprising a support (1), characterized in that: A conveyor belt assembly (2) is fixedly mounted on the side of the support (1); a pushing assembly (3) is arranged on the side of the conveyor belt assembly (2) away from the support (1); a processing area (4) is arranged inside the support (1); the processing area (4) is adjacent to the conveyor belt assembly (2); a dipping tank (8) is arranged on the side of the processing area (4) away from the conveyor belt assembly (2); a discharge area (9) is arranged on the side of the dipping tank (8) away from the processing area (4); a clamping assembly (7) is arranged above the processing area (4); a vertical pneumatic assembly (6) is arranged above the clamping assembly (7); a horizontal driving assembly (5) is arranged on the side of the clamping assembly (7); and the clamping assembly (7) comprises a plurality of mechanical clamping arms (702).

2. The automatic impregnation system for resin-coated paper tubes according to claim 1, characterized in that: The conveyor belt assembly (2) comprises a first fixed bracket (201) fixedly connected to a side surface of the bracket (1); a conveyor belt (202) is arranged inside the first fixed bracket (201); the conveyor belt (202) comprises a plurality of rectangular grooves (203); the rectangular grooves (203) are arranged equidistantly along the running length direction of the conveyor belt (202); and the rectangular grooves (203) extend along the entire width direction of the conveyor belt (202).

3. The automatic impregnation system for resin coated paper tubes according to claim 1, characterized in that: The conveyor belt assembly (2) further comprises triangular convex grooves (204), wherein the triangular convex grooves (204) are arranged continuously, and recesses (2041) are formed between adjacent triangular convex grooves (204).

4. The automatic impregnation system for resin-coated paper tubes according to claim 2 or 3, characterized in that: The pushing assembly (3) comprises a second fixed bracket (301) fixedly connected to a side of the conveyor belt assembly (2) away from the bracket (1); two first guide rails (305) are arranged at both ends of the second fixed bracket (301); a first cylinder (302) is fixedly connected to the middle of the second fixed bracket (301); an output end of the first cylinder (302) is connected to a push plate (303); the push plate (303) is arranged above a side of the conveyor crawler (202) away from the bracket (1); position sensing sensors (306) are equidistantly arranged above the push plate (303); two first sliders (304) are fixedly connected to both ends of the push plate (303); and the first sliders (304) are sleeved on the first guide rails (305).

5. The automatic impregnation system for resin coated paper tubes according to claim 4, characterized in that: The horizontal drive assembly (5) comprises a first motor (502) arranged at the top of the bracket (1); a lead screw (501) is fixedly connected to the output end of the first motor (502); an adaptable threaded slider (504) is sleeved on the outside of the lead screw (501); an end of the lead screw (501) away from the output end of the first motor (502) is rotatably connected to a rotating bearing (503); and two second guide rails (505) are arranged at both ends of the top of the bracket (1) along the length direction of the conveying crawler (202).

6. The automatic impregnation system for resin-coated paper tubes according to claim 5, characterized in that: The vertical pneumatic assembly (6) comprises a second cylinder (601) fixedly connected to the side of the threaded slider (504), the second cylinder (601) being placed vertically, a guide rail bracket (602) being arranged below the outer periphery of the bottom of the second cylinder (601), the output end of the second cylinder (601) passing through the top of the guide rail bracket (602), second sliders (506) being arranged at both ends of the guide rail bracket (602), the second slider (506) being slidably connected to the second guide rail (505), and third guide rails (603) being arranged at the bottom of both ends of the guide rail bracket (602) away from the second slider (506), and the third slider (604) being slidably connected to the third guide rail (603).

7. The automatic impregnation system for resin-coated paper tubes according to claim 6, characterized in that: The clamping assembly (7) comprises a crossbeam (701) fixedly connected to the output end of the second cylinder (601), both ends of the crossbeam (701) are fixedly connected to the third slider (604), and a mechanical clamping arm (702) is arranged at the bottom of the crossbeam (701).

8. The automatic impregnation system for resin-coated paper tubes according to claim 7, characterized in that: The mechanical clamping arm (702) comprises a third cylinder (7023), the bottom of the third cylinder (7023) is fixedly connected to a bottom plate (7024), the output end of the third cylinder (7023) passes through the bottom plate (7024) and is fixedly connected to a lifting plate (7025), the two ends of the bottom plate (7024) are rotatably connected to a left clamping plate (7021) and a right clamping plate (7022), and the middle parts of the left clamping plate (7021) and the right clamping plate (7022) are rotatably connected to the lifting plate (7025).

9. The automatic impregnation system for resin-coated paper tubes according to claim 8, characterized in that: A release agent is sprayed on the left clamping plate (7021) and the right clamping plate (7022).

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