Rewinding-free straight cutting production system for siloxane sealing tape and adaptive winding supporting component

Abstract

The invention discloses a rewinding-free straight-cutting production system of a siloxane sealing tape and an adaptive winding support member, and belongs to the field of intelligent manufacturing of pipeline sealing materials, the rewinding-free straight-cutting production system comprises a coating module used for uniformly coating a non-woven fabric with a siloxane sealant and winding the siloxane sealant on the winding support member; the slitting module is arranged on one side of the coating module and is used for slitting the siloxane sealing tape; and the packaging module is connected with the slitting module through a conveying belt and used for packaging the siloxane sealing tape. According to the three-process integrated production process (coating, slitting and packaging) and the matched winding supporting component, the rewinding process is omitted through low-temperature slitting of the high-precision circular knife and direct connection from slitting to packaging, the coating damage rate is smaller than 0.5%, and the production efficiency is improved by 200-300%.

Description

Technical Field

[0001] The present invention belongs to the field of intelligent manufacturing of pipeline sealing materials. Specifically, it relates to a non-re-winding straight cutting production system for silicone sealant tapes and a winding support member adapted thereto. Background Art

[0002] The traditional production process of sealant tapes includes four steps: coating, slitting, re-winding, and packaging, which has the following defects: 1. Using a flat knife for slitting causes the silicone coating to adhere to the roller, resulting in uneven or missing coating thickness; 2. During the winding process using a re-winder, the tension is unstable, prone to tape breakage, leading to insufficient meterage and an increase in the defective rate. Although the prior art (such as CN118755445A) has improved the sealant tape formula, it has not solved the defects in the industrial production of the re-winding process. Summary of the Invention

[0003] To solve the above problems, the present invention adopts the following technical solutions: A winding support member for non-re-winding straight cutting production of silicone sealant tapes, the winding support member includes a core, and the core is made of kraft paper, PE, PP, PVC, PC, or FRPP.

[0004] Further, the inner diameter of the core is 10 - 150 mm; the wall thickness is 0.5 - 20 mm.

[0005] A non-re-winding straight cutting production system for silicone sealant tapes, using the above-mentioned winding support member for non-re-winding straight cutting production of silicone sealant tapes, includes: A coating module, used to evenly coat the silicone sealant on the non-woven fabric and wind it onto the winding support member; A slitting module, the slitting module is arranged on one side of the coating module, used to slit the silicone sealant tape; A packaging module, the packaging module is connected to the slitting module through a conveyor belt, used to package the silicone sealant tape.

[0006] Further, the coating module includes a unwind unit, a coating unit, and a winding unit arranged in sequence; The unwind unit includes a non-woven fabric unwind roller, and the non-woven fabric is arranged on the non-woven fabric unwind roller; The coating unit includes a silicone sealant storage tank, and a slit extrusion type coating head is arranged at the outlet end of the silicone sealant storage tank, and the silicone sealant is arranged in the silicone sealant storage tank; wherein, the slit extrusion type coating head is arranged close to the non-woven fabric unwind roller, used to evenly spray the silicone sealant on the non-woven fabric; The winding unit includes a first air shaft and a PE film automatic wrapping assembly; the winding support member is installed on the first air shaft. One end of the non-woven fabric is disposed on the outer surface of the winding support member. The first air shaft drives the winding support member to rotate to wind the non-woven fabric sprayed with the silicone sealant; the PE film automatic wrapping assembly is disposed on one side of the first air shaft for wrapping the PE film around the wound silicone sealant tape.

[0007] Furthermore, the slitting module includes a feeding unit and a slitting unit; The feeding unit includes a second air shaft; the first air shaft and the second air shaft have the same structure; a tension control group is also arranged on the second air shaft; The slitting unit includes a low-temperature circular knife group and a knife distance adjusting mechanism. The knife distance adjusting mechanism is disposed on one side of the second air shaft, and the low-temperature circular knife group is disposed on the knife distance adjusting mechanism.

[0008] Furthermore, the low-temperature circular knife group includes hard tungsten carbide blades and a cooling air flow assembly. The hard tungsten carbide blades are disposed on the knife distance adjusting mechanism, and the cooling air flow assembly is disposed on one side of the second air shaft.

[0009] Furthermore, the packaging module includes a detection unit and a packaging unit arranged in sequence; The detection unit includes a vision detection camera and a meter calculator. The vision detection camera and the meter calculator are disposed at one end of the conveyor belt far from the slitting module; The packaging unit includes an automatic film wrapping machine and a labeling machine arranged in sequence.

[0010] Furthermore, the conveyor belt is an anti-static conveyor belt, and a V-shaped groove is also arranged on the conveyor belt.

[0011] Advantages of the present invention: The present invention provides a three-process integrated production process (coating, slitting, packaging) and a matching winding support member. Through high-precision circular knife low-temperature slitting and direct connection from slitting to packaging, the rewinding process is omitted, and the coating damage rate is <0.5%, and the production efficiency is increased by 200-300%. Description of the drawings

[0012] Figure 1 is a schematic diagram of a non-rewinding direct cutting production system for a silicone sealant tape provided by the present invention; Figure 2 is a schematic structural diagram of the winding support member provided by the present invention Figure 1 ; Figure 3 is a schematic structural diagram of the winding support member provided by the present inventionFigure 2 ; Figure 4 Structural schematic of the winding support member provided by the present invention Figure 3 ; In the figure: 1, coating module; 2, slitting module; 3, packaging module; 4, winding support member; 5, conveyor belt. Specific embodiments

[0013] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0014] Embodiment 1 Refer to Figure 2 , a winding support member 4 for the non-re-winding straight cutting production of silicone sealant tape, the winding support member 4 includes a core, and the core is made of kraft paper, PE, PP, PVC, PC or FRPP.

[0015] Preferably, the inner diameter of the core is 10 - 150 mm; the wall thickness is 0.5 - 20 mm.

[0016] In this embodiment, the axial compressive strength of the core is ≥ 30 MPa, and the compression rate is ≤ 1.5%.

[0017] In this embodiment, the width is 15 mm (10 - 20 m / roll), the inner diameter is 25 - 35 mm, the wall thickness is 3 - 4 mm, and the core is preferably kraft paper or PE, PC, PP pipe.

[0018] Embodiment 2 Refer to Figure 3 , a winding support member 4 for the non-re-winding straight cutting production of silicone sealant tape, the winding support member 4 includes a core, and the core is made of kraft paper, PE, PP, PVC, PC or FRPP.

[0019] Preferably, the inner diameter of the core is 10 - 150 mm; the wall thickness is 0.5 - 20 mm.

[0020] In this embodiment, the axial compressive strength of the core is ≥ 30 MPa, and the compression rate is ≤ 1.5%.

[0021] In this embodiment, the width is 25 mm (20 - 30 m / roll), the inner diameter is 50 - 60 mm, the wall thickness is 6 - 8 mm, and the core is preferably PE, PC, PP pipe.

[0022] Embodiment 3 Refer to Figure 4 , a winding support member 4 for the non-re-winding straight cutting production of silicone sealant tape, the winding support member 4 includes a core, and the core is made of kraft paper, PE, PP, PVC, PC or FRPP.

[0023] Preferably, the inner diameter of the core is 10 - 150 mm; the wall thickness is 0.5 - 20 mm.

[0024] In this embodiment, the axial compressive strength of the core is ≥ 30 MPa, and the compression ratio is ≤ 1.5%.

[0025] In this embodiment, the width is 50 mm (more than 30 m / roll); the inner diameter is 90 - 100 mm, the wall thickness is 10 - 12 mm, and the core is preferably a PC, PE, PP, PVC or FRPP pipe.

[0026] Example 4 Reference Figure 1 , a non - rewinding straight - cutting production system for a silicone sealant tape. In this embodiment, the winding support member for non - rewinding straight - cutting production of silicone sealant tape is used, including: Coating module 1, used to evenly coat the silicone sealant on the non - woven fabric and wind it onto the winding support member 4; Slitting module 2, the slitting module 2 is arranged on one side of the coating module 1 and is used to slit the silicone sealant tape; Packaging module 3, the packaging module 3 is connected to the slitting module through a conveyor belt 5 and is used to package the silicone sealant tape.

[0027] Preferably, the coating module 1 includes an unwinding unit, a coating unit, and a winding unit arranged in sequence; The unwinding unit includes a non - woven fabric unwinding roller, and the non - woven fabric is arranged on the non - woven fabric unwinding roller; The coating unit includes a silicone sealant storage tank, and a slit extrusion coating head is arranged at the outlet end of the silicone sealant storage tank. The silicone sealant is arranged in the silicone sealant storage tank; among them, the slit extrusion coating head is arranged close to the non - woven fabric unwinding roller and is used to evenly spray the silicone sealant on the non - woven fabric; The winding unit includes a first air - expandable shaft and a PE film automatic wrapping component; the winding support member is installed on the first air - expandable shaft. Among them, one end of the non - woven fabric is arranged on the outer surface of the winding support member, and the first air - expandable shaft drives the winding support member to rotate to wind the non - woven fabric sprayed with silicone sealant; the PE film automatic wrapping component is arranged on one side of the first air - expandable shaft and is used to wrap the PE film around the wound silicone sealant tape.

[0028] In this embodiment, the first air - expandable shaft is provided with a locking switch and an axial pressure sensor; the silicone sealant storage tank has a heating function; the slit extrusion coating head is a coating head controlled by a precision screw pump with adjustable flow rate and adjustable spray slit width.

[0029] In this embodiment, the PE film automatic wrapping component is a device with an integrated design of film unwinding, cutter, and roller.

[0030] Preferably, the slitting module 2 includes a feeding unit and a slitting unit; The feeding unit includes a second air shaft; wherein, the first air shaft and the second air shaft have the same structure; a tension control group is further arranged on the second air shaft; The slitting unit includes a low-temperature circular knife group and a knife distance adjusting mechanism. The knife distance adjusting mechanism is arranged on one side of the second air shaft, and the low-temperature circular knife group is arranged on the knife distance adjusting mechanism.

[0031] In this embodiment, the tension control group includes a magnetic powder brake and a floating roller, and the tension fluctuation ≤ 1N.

[0032] Preferably, the low-temperature circular knife group includes hard tungsten steel blades and a cooling air flow assembly. The hard tungsten steel blades are arranged on the knife distance adjusting mechanism, and the cooling air flow assembly is arranged on one side of the second air shaft.

[0033] Preferably, the packaging module 3 includes a detection unit and a packaging unit arranged in sequence; The detection unit includes a vision detection camera and a meter calculator. The vision detection camera and the meter calculator are arranged at one end of the conveyor belt far from the slitting module; The packaging unit includes a automatic film wrapping machine and a labeling machine arranged in sequence.

[0034] Preferably, the conveyor belt is an anti-static conveyor belt, and a V-shaped groove is further arranged on the conveyor belt.

[0035] In this embodiment, the length of the anti-static conveyor belt ≤ 2m, the surface is coated with polyurethane, and the resistance value .

[0036] In this embodiment, the overall system is centrally controlled by a PLC to realize the non-re-reeling, low-damage, and high-speed production of the silicone sealant tape.

[0037] Working principle: Install a winding support member 4 of appropriate length on the first air shaft of the coater. Inject compressed air through the air inlet of the first air shaft, and use the locking switch to expand and tighten the winding support member to ensure that the winding support member rotates synchronously with the first air shaft and avoid deviation; Subsequently, the silicone sealant is evenly sprayed on the non-woven fabric through a slit extrusion coater head. At the same time, the non-woven fabric is stretched and pasted on the surface of the winding support member for winding; The winding length can be set according to requirements from 10 meters / roll to 50 meters / roll; The coated material is installed on the second air shaft, and the core tube is also tightened by compressed air to ensure its synchronous rotation with the slitting shaft. The slitter uses a circular knife for low-temperature slitting and performs intermittent slitting at a preset spacing to ensure slitting accuracy and efficiency; After slitting, the silicone sealant tape directly enters the packaging module through the conveyor belt for packaging, eliminating the intermediate temporary storage link and reducing human intervention. The surface of the conveyor belt is coated with an anti-static coating to prevent the silicone material from adsorbing dust.

[0038] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention are included within the protection scope of the present invention.

Claims

1. A winding support member for the straight cutting production without rewinding of a silicone sealant tape, characterized in that, The winding support member includes a core, and the core is made of kraft paper, PE, PP, PVC, PC or FRPP material.

2. The winding support member for the unwound straight cutting production of a silicone sealant tape according to claim 1, characterized in that, The inner diameter of the core is 10 - 150 mm; the wall thickness is 0.5 - 20 mm.

3. A non-re-winding straight cutting production system for a silicone sealant tape, using the winding support member for non-re-winding straight cutting production of a silicone sealant tape according to any one of the above claims 1-2, characterized in that, It includes: A coating module for evenly coating a silicone sealant on a non-woven fabric and winding it onto a winding support member; A slitting module, which is arranged on one side of the coating module and is used for slitting the silicone sealant tape; A packaging module, which is connected to the slitting module through a conveyor belt and is used for packaging the silicone sealant tape.

4. The non-re-winding straight cutting production system of a silicone sealant tape according to claim 3, characterized in that, The coating module includes an unwinding unit, a coating unit and a winding unit arranged in sequence; The unwinding unit includes a non-woven fabric unwinding roller, and the non-woven fabric is arranged on the non-woven fabric unwinding roller; The coating unit includes a silicone sealant storage tank, and a slit extrusion coating head is arranged at the outlet end of the silicone sealant storage tank, and the silicone sealant is arranged in the silicone sealant storage tank; wherein, the slit extrusion coating head is arranged close to the non-woven fabric unwinding roller and is used for evenly spraying the silicone sealant on the non-woven fabric; The winding unit includes a first air shaft and a PE film automatic wrapping assembly; the winding support member is installed on the first air shaft, wherein one end of the non-woven fabric is arranged on the outer surface of the winding support member, and the first air shaft drives the winding support member to rotate to wind the non-woven fabric sprayed with the silicone sealant; the PE film automatic wrapping assembly is arranged on one side of the first air shaft and is used for wrapping the PE film around the wound silicone sealant tape.

5. The non-recoiling straight cutting production system of a silicone sealant tape according to claim 4, characterized in that, The slitting module includes a feeding unit and a slitting unit; The feeding unit includes a second air shaft; wherein, the first air shaft and the second air shaft have the same structure; a tension control group is also arranged on the second air shaft; The slitting unit includes a low-temperature circular knife group and a knife distance adjusting mechanism, the knife distance adjusting mechanism is arranged on one side of the second air shaft, and the low-temperature circular knife group is arranged on the knife distance adjusting mechanism.

6. The straight cutting production system without rewinding for a silicone sealant tape according to claim 5, characterized in that, The low-temperature circular knife group includes hard tungsten steel blades and a cooling air flow assembly, the hard tungsten steel blades are arranged on the knife distance adjusting mechanism, and the cooling air flow assembly is arranged on one side of the second air shaft.

7. A direct cutting production system for a silicone sealant tape without rewinding, according to claim 4, characterized in that The packaging module includes a detection unit and a packaging unit arranged in sequence; The detection unit includes a vision detection camera and a meter calculator, and the vision detection camera and the meter calculator are arranged at one end of the conveyor belt far from the slitting module; The packaging unit includes an automatic film wrapping machine and a labeling machine arranged in sequence.

8. The non-re-winding straight cutting production system of a silicone sealant tape according to claim 3, characterized in that, The conveyor belt is an anti-static conveyor belt, and a V-shaped groove is also arranged on the conveyor belt.

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