Separation structure for non-woven fabric cutting

Abstract

The utility model provides a non-woven fabric cutting separating structure which comprises a cutter chamber, a first inclined steel wire is arranged on one side of the cutter chamber, an arc-shaped separating part is installed at the end, away from the cutter chamber, of the first inclined steel wire, and a first pressing part is fixedly connected to the end, away from the first inclined steel wire, of the separating part through a first connecting part. A second pressing part is fixedly connected to the end, away from the first connecting part, of the first pressing part through a second connecting part, the first pressing part and the second pressing part are arranged on the two sides of the separating part, and a second inclined steel wire is installed at the end, away from the second connecting part, of the second pressing part; the end, away from the second pressing and holding part, of the second inclined steel wire and the end, away from the separating part, of the first inclined steel wire are each sleeved with an inserting and connecting pipe. And the situation that the two non-woven fabric rolls are difficult to separate due to more adhesion parts is prevented.

Description

Technical Field

[0001] This utility model is a separation structure for cutting nonwoven fabric, belonging to the field of nonwoven fabric processing. Background Technology

[0002] In the nonwoven fabric pulling and winding process, multiple circular cutters are typically used for cutting. However, adhesion problems easily occur at the cut seams after cutting. The core reason is that the blades of the circular cutters wear down and become dull over time, making it impossible to completely cut the nonwoven fabric fibers. This phenomenon not only causes the fibers to entangle and stick together at the cut seams, affecting the flatness of subsequent winding, but also makes it difficult to separate adjacent nonwoven fabric rolls due to the large number of uncut and tightly connected sections. During forced pulling and separation, the uncut fiber connections will be subjected to excessive tension, resulting in rough edges, damage, and tearing of the nonwoven fabric. Such problems not only significantly reduce production efficiency and increase the frequency of equipment downtime for cleaning, but also seriously affect product quality, leading to increased raw material losses and rework costs. Utility Model Content

[0003] To address the shortcomings of existing technologies, the purpose of this invention is to provide a separation structure for cutting nonwoven fabrics, thereby solving the problems mentioned in the background section. This invention enables secondary peeling of the cut seam area generated by the circular cutter of the nonwoven fabric, preventing the situation where two nonwoven fabric rolls are difficult to separate due to numerous adhesion points.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a separation structure for cutting non-woven fabric, comprising a cutting chamber, the cutting chamber being a "T"-shaped structure, with an inlet and outlet at the bottom of the cutting chamber, a circular cutter mounted inside the cutting chamber via a support member, a portion of the circular cutter extending through the inlet and outlet to the outside of the cutting chamber, a first oblique steel wire on one side of the cutting chamber, an arc-shaped separation part mounted at the end of the first oblique steel wire away from the cutting chamber, a first holding part connected and fixed at the end of the separation part away from the first oblique steel wire via a first connecting part, a second holding part connected and fixed at the end of the first holding part away from the first connecting part via a second connecting part, the first holding part and the second holding part being located on both sides of the separation part, a second oblique steel wire mounted at the end of the second holding part away from the second connecting part, and a connector sleeved on both the end of the second oblique steel wire away from the second holding part and the end of the first oblique steel wire away from the separation part, one end of the connector being connected and fixed to the cutting chamber.

[0005] Furthermore, a rubber sleeve is glued inside the insertion tube, and the diameters of the first and second oblique steel wires are the same as the inner diameter of the rubber sleeve.

[0006] Furthermore, the first oblique steel wire, the separating part, the first connecting part, the first pressing part, the second connecting part, the second pressing part, and the second oblique steel wire are integrally formed structures, and the first pressing part and the second pressing part are both "U" shaped structures.

[0007] Furthermore, the support includes a shaft, which is installed in a circular opening at the center of one side of the circular cutter. Limiting grooves that mate with the shaft are installed on both parallel sides of the cutter chamber. Both ends of the shaft extend into the two limiting grooves. A sealing cover is installed on the top of the cutter chamber, and a pipe connector for connecting a compressed air pipe is installed on the upper surface of the sealing cover. A piston is slidably installed in the upper part of the cutter chamber. Two connecting plates are installed on the lower surface of the piston, and bushings are installed at the lower ends of both connecting plates. Both bushings are fitted onto the shaft and are symmetrically arranged about the circular cutter. Two vertically arranged springs are installed on the lower surface of the piston, and the lower ends of the springs are connected to a bottom part of the cutter chamber.

[0008] Furthermore, a lower positioning sleeve is fitted onto the lower end of the spring, and an upper positioning sleeve is fitted onto the upper end of the spring. The upper positioning sleeve is connected and fixed to the piston, and the lower positioning sleeve is connected and fixed to the cutter chamber.

[0009] Furthermore, connecting ears are fixedly connected to the upper part of the two parallel sides of the cutting chamber, the sealing cover is connected to the connecting ears by bolts, and a sealing strip is provided between the cutting chamber and the sealing cover.

[0010] Furthermore, a positioning seat is installed on the upper part of one side of the cutting chamber, and the upper surface of the positioning seat has multiple fixing holes.

[0011] The beneficial effects of this utility model are:

[0012] 1. The arc-shaped separation section is located directly below the cut. When the nonwoven fabric is cut by the circular cutter and passes through the separation section, the separation section forcibly opens up the fibers that are not completely cut at the cut of the nonwoven fabric. It uses mechanical force to break the adhesion points between the fibers, and realizes secondary peeling of the cut part produced by the circular cutter of the nonwoven fabric. This prevents the two nonwoven fabric rolls from being difficult to separate due to a large number of adhesion points.

[0013] 2. The first pressing part and the second pressing part press the nonwoven fabric from both sides respectively, so as to provide pressing force to the nonwoven fabric at the cut part. Then, when the separating part opens up the fibers that are not completely cut at the cut, it prevents the nonwoven fabric from being deformed by unbalanced pulling force near the part of the fibers that are not completely cut. At the same time, the first pressing part and the second pressing part cooperate with each other to maintain the stability of the position of the separating part.

[0014] 3. Compressed air is delivered to the cutting chamber through the compressed air pipe, pushing the piston downward. The piston applies downward pressure to the circular cutter through the connecting plate and the bushing. The counterforce of the spring gives the circular cutter a floating adaptive capability, which can automatically adjust the cutting force according to the thickness of the non-woven fabric to ensure that the blade always cuts sharply. When the blade of the circular cutter wears, the piston compresses the spring downward, which increases the displacement of the shaft in the limiting groove and forcibly maintains the gap between the blade and the anvil. Attached Figure Description

[0015] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the separation structure for cutting nonwoven fabric according to the present invention;

[0017] Figure 2 This is a schematic diagram of the assembly of the first and second oblique steel wires in the separation structure for cutting nonwoven fabric according to this utility model.

[0018] Figure 3 This is a schematic diagram of the assembly of the circular cutter and the cutter chamber in the separation structure for cutting nonwoven fabric according to this utility model.

[0019] Figure 4 This is a cross-sectional assembly diagram of the piston, sealing cap, circular cutter, and cutter chamber in the separation structure for cutting nonwoven fabric according to this utility model.

[0020] Figure 5 This is a schematic diagram of the assembly of the piston and the circular cutter in the separation structure for cutting nonwoven fabric according to this utility model.

[0021] Figure 6 This is a perspective view of the cutting chamber in the separation structure for cutting nonwoven fabric according to this utility model;

[0022] In the diagram: 1-Cutter chamber, 2-Positioning seat, 3-Fixing hole, 4-Sealing cover, 5-Limiting groove, 6-Pipe connector, 7-Insertion pipe, 8-Second oblique steel wire, 9-Second pressing part, 10-Separation part, 11-First connecting part, 12-First pressing part, 13-First oblique steel wire, 14-Second connecting part, 15-Circular cutter, 16-Rubber sleeve, 17-Connecting ear, 18-Lower positioning sleeve, 19-Spring, 20-Upper positioning sleeve, 21-Piston, 22-Shaft sleeve, 23-Connecting plate, 24-Shaft rod, 25-Inlet / outlet. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] Please see Figure 1 , Figure 3 , Figure 4 and Figure 6 This utility model provides a technical solution: a separation structure for cutting non-woven fabric, including a cutting chamber 1, which is a "T" shaped structure. The bottom of the cutting chamber 1 has an inlet and outlet 25. A portion of the circular cutter 15 extends through the inlet and outlet 25 to the outside of the cutting chamber 1. A positioning seat 2 is installed on the upper part of one side of the cutting chamber 1. The upper surface of the positioning seat 2 has multiple fixing holes 3, so that the positioning seat 2 is installed at the required position, thereby limiting the position of the cutting chamber 1.

[0025] See Figure 1 , Figures 3-6 A shaft 24 is installed in the circular opening at the center of one side of the circular cutter 15. Limiting grooves 5 that cooperate with the shaft 24 are installed on the two parallel sides of the cutter chamber 1, so that the two ends of the shaft 24 extend into the two limiting grooves 5 respectively, thereby limiting the movement trajectory of the circular cutter 15.

[0026] See Figure 1 , Figure 3 , Figure 4 and Figure 6 A sealing cover 4 is installed on the top of the cutting chamber 1. Connecting ears 17 are fixed to the upper part of the two parallel sides of the cutting chamber 1. The sealing cover 4 is connected to the connecting ears 17 by bolts. A sealing strip is provided between the cutting chamber 1 and the sealing cover 4 to improve the sealing performance between the sealing cover 4 and the cutting chamber 1.

[0027] See Figure 1 , Figures 3-6 The upper surface of the sealing cover 4 is equipped with a pipe connector 6 for connecting a compressed air pipe. A piston 21 is slidably installed in the upper part of the cutter chamber 1. Two connecting plates 23 are installed on the lower surface of the piston 21. A bushing 22 is installed at the lower end of each connecting plate 23. Both bushings 22 are sleeved on the shaft 24. The two bushings 22 are symmetrically arranged about the circular cutter 15. Two vertically arranged springs 19 are installed on the lower surface of the piston 21. A lower positioning sleeve 18 is sleeved at the lower end of each spring 19, and an upper positioning sleeve 20 is sleeved at the upper end of each spring 19. The upper positioning sleeve 20 is connected and fixed to the piston 21, and the lower positioning sleeve 18 is connected and fixed to the cutter chamber 1. The lower positioning sleeve 18 and the upper positioning sleeve 20 ensure the stable installation of the spring 19. Compressed air in the compressed air tank is delivered to the cutting chamber 1 through the compressed air pipe, pushing the piston 21 downward. The connecting plate 23 and the bushing 22 apply downward pressure to the circular cutter 15. The reverse force of the spring 19 enables the circular cutter 15 to have floating self-adaptive ability, which can automatically adjust the cutting force according to the thickness of the non-woven fabric to ensure that the blade is always sharp. When the blade of the circular cutter 15 is worn, the piston 21 compresses the spring 19 downward, and by increasing the displacement of the shaft 24 in the limiting groove 5, the gap between the blade and the anvil is forcibly maintained.

[0028] See Figures 1-3 A first oblique steel wire 13 is provided on one side of the cutter chamber 1. An arc-shaped separating part 10 is installed at the end of the first oblique steel wire 13 away from the cutter chamber 1. The end of the separating part 10 away from the first oblique steel wire 13 is connected and fixed to a first pressing part 12 through a first connecting part 11. The end of the first pressing part 12 away from the first connecting part 11 is connected and fixed to a second pressing part 9 through a second connecting part 14. The first pressing part 12 and the second pressing part 9 are located on both sides of the separating part 10. A second oblique steel wire 8 is installed at the end of the second pressing part 9 away from the second connecting part 14. A insertion tube 7 is sleeved on the end of the second oblique steel wire 8 away from the second pressing part 9 and the end of the first oblique steel wire 13 away from the separating part 10. One end of the insertion tube 7 is connected and fixed to the cutter chamber 1. A rubber sleeve 16 is glued inside the insertion tube 7. The diameter of the first oblique steel wire 13 and the second oblique steel wire 16 are respectively... The diameter of the oblique steel wire 8 is the same as the inner diameter of the rubber sleeve 16. The design of the rubber sleeve 16 improves the stability of the insertion of the first oblique steel wire 13, the second oblique steel wire 8 and the corresponding insertion tube 7. The first oblique steel wire 13, the separating part 10, the first connecting part 11, the first pressing part 12, the second connecting part 14, the second pressing part 9 and the second oblique steel wire 8 are integrally formed structures. The first pressing part 12 and the second pressing part 9 are both "U" shaped structures. The arc-shaped separating part 10 is located directly below the cut. When the nonwoven fabric is cut by the circular cutter 15 and passes through the separating part 10, the separating part 10 forcibly opens the fibers that are not completely cut at the cut of the nonwoven fabric. It uses mechanical force to break the adhesion points between the fibers and realizes secondary peeling of the cut part produced by the circular cutter of the nonwoven fabric, preventing the two nonwoven fabric rolls from being difficult to separate due to a large number of adhesion points. The first pressing part 12 and the second pressing part 9 press the nonwoven fabric from both sides respectively, so as to provide pressing force to the nonwoven fabric at the cut part. Then, when the separating part 10 opens up the fibers that are not completely cut at the cut part, it prevents the nonwoven fabric from being deformed by unbalanced force when it is close to the part of the fibers that are not completely cut. At the same time, the first pressing part 12 and the second pressing part 9 cooperate with each other to maintain the stability of the position of the separating part 10.

[0029] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A separation structure for cutting nonwoven fabric, comprising a cutting chamber (1), characterized in that: The cutting chamber (1) has a "T" shaped structure. The bottom of the cutting chamber (1) has an inlet and outlet (25). A circular cutter (15) is installed in the cutting chamber (1) through a support member. A part of the circular cutter (15) extends through the inlet and outlet (25) to the outside of the cutting chamber (1). A first oblique steel wire (13) is provided on one side of the cutting chamber (1). An arc-shaped separation part (10) is installed at the end of the first oblique steel wire (13) away from the cutting chamber (1). The end of the separation part (10) away from the first oblique steel wire (13) is connected and fixed to a first pressing part (11) through a first connecting part (11). 2) The first holding part (12) is connected and fixed to the second holding part (9) at one end away from the first connecting part (11) through the second connecting part (14). The first holding part (12) and the second holding part (9) are arranged on both sides of the separation part (10). The second holding part (9) is equipped with a second inclined steel wire (8) at one end away from the second connecting part (14). The second inclined steel wire (8) and the first inclined steel wire (13) are both fitted with a plug tube (7) at one end away from the second holding part (9) and at one end away from the separation part (10). One end of the plug tube (7) is connected and fixed to the cutter chamber (1).

2. The separation structure for cutting nonwoven fabric according to claim 1, characterized in that: A rubber sleeve (16) is glued inside the insertion tube (7), and the diameters of the first oblique steel wire (13) and the second oblique steel wire (8) are the same as the inner diameter of the rubber sleeve (16).

3. The separation structure for cutting nonwoven fabric according to claim 1, characterized in that: The first oblique steel wire (13), the separation part (10), the first connecting part (11), the first pressing part (12), the second connecting part (14), the second pressing part (9) and the second oblique steel wire (8) are integrally formed structures. The first pressing part (12) and the second pressing part (9) are both "U" shaped structures.

4. The separation structure for cutting nonwoven fabric according to claim 1, characterized in that: The support includes a shaft (24). The shaft (24) is installed in a circular opening at the center of one side of the circular cutter (15). Limiting grooves (5) that mate with the shaft (24) are installed on two parallel sides of the cutter chamber (1). Both ends of the shaft (24) extend into the two limiting grooves (5). A sealing cover (4) is installed on the top of the cutter chamber (1). A pipe connector (6) for connecting a compressed air pipe is installed on the upper surface of the sealing cover (4). (1) A piston (21) is slidably installed in the upper part of the piston (21). Two connecting plates (23) are installed on the lower surface of the piston (21). A bushing (22) is installed at the lower end of each of the two connecting plates (23). The two bushings (22) are sleeved on the shaft (24). The two bushings (22) are symmetrically arranged about the circular cutter (15). Two vertically arranged springs (19) are installed on the lower surface of the piston (21). The lower end of the springs (19) is connected to the bottom of the cutter chamber (1).

5. The separation structure for cutting nonwoven fabric according to claim 4, characterized in that: The lower end of the spring (19) is fitted with a lower positioning sleeve (18), and the upper end of the spring (19) is fitted with an upper positioning sleeve (20). The upper positioning sleeve (20) is connected and fixed to the piston (21), and the lower positioning sleeve (18) is connected and fixed to the cutter chamber (1).

6. The separation structure for cutting nonwoven fabric according to claim 4, characterized in that: The upper part of the two parallel sides of the cutter chamber (1) is fixed with connecting ears (17), and the sealing cover (4) is connected to the connecting ears (17) by bolts. A sealing strip is provided between the cutter chamber (1) and the sealing cover (4).

7. The separation structure for cutting nonwoven fabric according to claim 4, characterized in that: A positioning seat (2) is installed on the upper part of one side of the cutting chamber (1), and multiple fixing holes (3) are opened on the upper surface of the positioning seat (2).

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