Thermoplastic resin lamination non-woven fabric punching equipment

Abstract

The utility model relates to the technical field of non-woven fabric processing, in particular to thermoplastic resin lamination non-woven fabric punching equipment which comprises a processing table, a frame is arranged on the table top of the processing table, an air cylinder is installed in the middle of the frame, a stamping knife is assembled at the tail end of a movable rod of the air cylinder, and a punching knife is assembled at the tail end of the movable rod of the air cylinder. A stamping die base is arranged at the position, under the stamping knife, of the machining table. A set of efficient automatic conveying assembly is composed of a fixing rod, a fixing plate, a motor, a first rolling shaft, a guide frame, a second rolling shaft and an elastic piece, the assembly drives the first rolling shaft to rotate intermittently through the motor, and accurate, continuous and stable automatic feeding of non-woven fabric is achieved in combination with vertical sliding of the second rolling shaft and tension provided by the elastic piece; manual intervention is not needed in the whole feeding and discharging process, the workload of operators is remarkably reduced, and the automation degree and the production efficiency of production are greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of nonwoven fabric processing technology, and in particular to a perforation device for thermoplastic resin coated nonwoven fabric. Background Technology

[0002] Thermoplastic resin-coated nonwoven fabric is a functional material widely used in medical, hygiene, packaging, and agricultural fields. It is characterized by good waterproofness, breathability, and softness, and is suitable for making disposable medical protective clothing, surgical gowns, masks, diapers, agricultural coverings, and other products. In these applications, in order to meet specific functional requirements, such as improving breathability, enhancing filtration effect, or improving appearance design, it is usually necessary to perforate the nonwoven fabric.

[0003] Patent CN220409016U discloses a nonwoven fabric punching device. The specific punching operation involves positioning the nonwoven fabric to be processed above a punching ring. Then, the first telescopic rod is activated to lower the clamping ring until it is fitted around the preset punching position, forming initial fixation. Simultaneously, the clamping plate moves further downward under the action of a telescopic spring, providing secondary reinforcement to the nonwoven fabric, especially applying additional pressure to the four corners to ensure the material remains absolutely still throughout the punching process. Finally, after the nonwoven fabric is completely fixed, the second telescopic rod drives the puncher to perform the actual punching operation. This series of steps aims to minimize material displacement during punching, ensuring consistency and accuracy. However, this patent still has some shortcomings in practical use. It relies on manual loading and unloading, which is cumbersome and increases labor intensity. Furthermore, the machine needs to be paused during manual loading and unloading, affecting production continuity and efficiency.

[0004] Therefore, there is an urgent need to provide a perforation device for thermoplastic resin coated nonwoven fabric that can achieve automatic loading and unloading. Utility Model Content

[0005] In order to overcome the shortcomings of low production efficiency and poor continuity caused by manual loading and unloading in existing patents, this utility model provides a perforation device for thermoplastic resin coated nonwoven fabric that can realize automatic loading and unloading.

[0006] To address the aforementioned issues, this utility model employs the following technical solution: a perforation device for thermoplastic resin-coated nonwoven fabric, comprising a processing table, a frame on the table surface, a cylinder mounted in the middle of the frame, a punch mounted at the end of the cylinder's movable rod, a die seat positioned directly below the punch on the processing table for fixing and supporting the nonwoven fabric to be perforated, a guide plate positioned directly below the die seat, two sets of fixing rods on the table surface located on either side of the die seat, a fixing plate slidably mounted on each set of fixing rods, a first roller rotatably mounted on the fixing plate, a motor mounted on one side of the fixing plate, the output shaft of the motor connected to the first roller, symmetrically distributed guide frames fixedly connected to the top of the fixing plate, a second roller slidably mounted on the guide frame, the second roller being able to slide on the guide frame, an elastic element sleeved on the guide frame, the two ends of the elastic element being connected to the second roller and the guide frame respectively.

[0007] In one embodiment, the guide plate is arranged at an angle.

[0008] In one embodiment, both the first roller and the second roller have anti-slip grooves on their surfaces.

[0009] In one embodiment, a first adjusting screw is fitted at one corner of the die holder, the lower end of which is threadedly connected to the processing table. A connecting plate is provided below the fixed plate, and a second adjusting screw is threadedly provided on the connecting plate. The second adjusting screw is rotatably connected to the fixed plate.

[0010] In one embodiment, a dust cover is provided on the top of the frame, which covers the cylinder.

[0011] In one embodiment, pull rods are provided on both sides of the processing table.

[0012] Compared with the prior art, the present invention has the following technical effects: 1. A set of efficient automatic conveying components is formed by a fixed rod, a fixed plate, a motor, a first roller, a guide frame, a second roller, and an elastic element. The component uses a motor to drive the first roller to rotate intermittently, combined with the up and down sliding of the second roller and the tension provided by the elastic element, to achieve precise, continuous and stable automatic feeding of nonwoven fabric. The entire loading and unloading process does not require manual intervention, which significantly reduces the workload of operators and greatly improves the degree of automation and production efficiency.

[0013] 2. The height of the punching die seat and the conveying assembly can be flexibly adjusted by the first and second adjusting screws to adapt to non-woven fabrics with different properties, ensuring that the non-woven fabric maintains appropriate tension and flatness during the conveying process, avoiding material loosening or deformation, and further improving the stability and accuracy of the punching operation. Attached Figure Description

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0015] Figure 2 This is a three-dimensional structural diagram of the processing table, frame, and guide plate of this utility model.

[0016] Figure 3 This is a three-dimensional structural diagram of the first roller, guide frame, and second roller of this utility model.

[0017] In the attached drawings, the following labels are used: 1: processing table, 2: frame, 3: cylinder, 4: punch, 5: die holder, 6: first adjusting screw, 7: guide plate, 8: fixing rod, 9: fixing plate, 10: motor, 11: first roller, 12: guide frame, 13: second roller, 14: elastic element, 15: connecting plate, 16: second adjusting screw, 17: dust cover, 18: pull rod. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.

[0019] Example 1: Please refer to Figure 1-Figure 3A perforation device for thermoplastic resin-coated nonwoven fabric includes a processing table 1. Pull rods 18 are provided on both the front and rear sides of the processing table 1. The design of the pull rods 18 allows the operator to easily push or pull the entire device, facilitating movement between different work areas and improving the flexibility and portability of the equipment. A frame 2 is provided on the table surface of the processing table 1. A cylinder 3 is installed in the middle of the frame 2. A dust cover 17 is provided on the top of the frame 2, covering the cylinder 3 and effectively preventing external dust, fibers, and other impurities from entering the cylinder 3, keeping the inside of the equipment clean. A punch 4 is fitted to the end of the movable rod of the cylinder 3. A slidable die base 5 is provided on the processing table 1 directly below the punch 4 for fixing and supporting the nonwoven fabric to be perforated. An inclined guide plate 7 is provided directly below the die base 5 to collect and guide the waste generated during the perforation process. The inclined design facilitates the smooth downward discharge of waste. The processing table 1 is equipped with... Two sets of fixing rods 8 are located on the left and right sides of the die holder 5, respectively. A fixing plate 9 is slidably mounted on each set of fixing rods 8. A first roller 11 is rotatably mounted on the fixing plate 9. A motor 10 is mounted on the rear side of the fixing plate 9. The output shaft of the motor 10 is connected to the first roller 11 to drive its rotation. A guide frame 12, symmetrically distributed front and rear, is fixedly connected to the top of the fixing plate 9. A second roller 13 is slidably mounted on the guide frame 12. The second roller 13 can rotate within the guide frame 1... 2. The guide frame 12 is fitted with an elastic element 14, and the two ends of the elastic element 14 are respectively connected to the second roller 13 and the guide frame 12 to provide elasticity to the second roller 13, so that the second roller 13 can automatically adjust its position according to the thickness of the nonwoven fabric and closely adhere to the surface of the nonwoven fabric, ensuring the stability and tension of the material during the processing. In addition, the surfaces of the first roller 11 and the second roller 13 are provided with anti-slip grooves to enhance the friction with the nonwoven fabric and prevent the nonwoven fabric from slipping during the movement.

[0020] First, one end of the nonwoven fabric is placed between two sets of first rollers 11 and second rollers 13. The elastic force provided by the elastic element 14 causes the second rollers 13 to automatically adjust their position according to the thickness of the nonwoven fabric. Simultaneously, the first rollers 11 work together to properly clamp and tension the nonwoven fabric. Next, the motor 10 is started. The motor 10 drives the first rollers 11 to rotate intermittently via its output shaft, which, in conjunction with the second rollers 13, moves the nonwoven fabric forward. When the predetermined punching position is reached, the motor 10 stops moving, and the cylinder 3 starts. The moving rod of the cylinder 3 pushes the punch 4 to quickly move downwards through the nonwoven fabric, completing the punching at the designated position. The cut waste material is then removed. The fragments then fall onto the inclined guide plate 7 below. Due to the inclined design of the guide plate 7, the waste will slide smoothly out along the inclined surface under the action of gravity and be collected in the external container, avoiding the accumulation of waste inside the equipment and keeping the working area clean. After completing one punching, the movable rod of the cylinder 3 quickly retracts, the punch 4 returns to the starting position, and the motor 10 drives the first roller 11 to rotate again, moving the non-woven fabric to the next punching position, completing the automatic loading and unloading of the non-woven fabric, realizing precise, continuous and stable operation, ensuring production efficiency. Finally, the above punching process is repeated until all the predetermined punching tasks are completed.

[0021] Example 2: Based on Example 1, please refer to... Figure 2 and Figure 3 A first adjusting screw 6 is fitted to one corner of the die holder 5. The lower end of the screw is threaded to the processing table 1. By rotating the first adjusting screw 6, the height of the die holder 5 can be adjusted to facilitate support for the non-woven fabric and ensure that there is an appropriate gap between the punch 4 and the die holder 5. A connecting plate 15 is provided below the fixed plate 9. A second adjusting screw 16 is threaded on the connecting plate 15. The second adjusting screw 16 is rotatably connected to the fixed plate 9. By rotating the adjusting screw, the overall height of the conveying components such as the first roller 11, the guide frame 12, and the second roller 13 can be adjusted.

[0022] The second adjusting screw 16 on one or both sides can be selectively rotated to adjust the height of one or two sets of conveying components to adapt to nonwoven fabrics with different properties. This ensures that the nonwoven fabric maintains appropriate tension and flatness during conveying, preventing material loosening or deformation. After adjusting the height of the conveying components, the first adjusting screw 6 can be rotated to adjust the height of the punching die base 5. This ensures proper support of the nonwoven fabric while precisely controlling the gap between the punch 4 and the punching die base 5, further optimizing the punching effect.

[0023] Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that various changes or modifications can be made to the present invention without departing from the principles and spirit of the present invention as defined by the claims. Therefore, the detailed description of the embodiments in this disclosure is for explanation only and not for limiting the present invention, but rather the scope of protection is defined by the content of the claims.

Claims

1. A perforation device for thermoplastic resin coated nonwoven fabric, comprising a processing table (1), a frame (2) provided on the table surface of the processing table (1), a cylinder (3) installed in the middle of the frame (2), a punch (4) assembled at the end of the movable rod of the cylinder (3), a die holder (5) provided on the processing table (1) directly below the punch (4) for fixing and supporting the nonwoven fabric to be perforated, and a guide plate (7) provided directly below the die holder (5), characterized in that, The processing table (1) has two sets of fixing rods (8) located on both sides of the punch die base (5). Each set of fixing rods (8) has a fixing plate (9) slidably mounted on it. A first roller (11) is rotatably mounted on the fixing plate (9). A motor (10) is mounted on one side of the fixing plate (9). The output shaft of the motor (10) is connected to the first roller (11). A symmetrically distributed guide frame (12) is fixedly connected to the top of the fixing plate (9). A second roller (13) is slidably mounted on the guide frame (12). The second roller (13) can slide on the guide frame (12). An elastic element (14) is sleeved on the guide frame (12). The two ends of the elastic element (14) are connected to the second roller (13) and the guide frame (12) respectively.

2. The thermoplastic resin coated nonwoven fabric perforation equipment as described in claim 1, characterized in that, The guide plate (7) is arranged at an angle.

3. The thermoplastic resin coated nonwoven fabric perforation equipment as described in claim 2, characterized in that, The surfaces of the first roller (11) and the second roller (13) are both provided with anti-slip grooves.

4. The thermoplastic resin coated nonwoven fabric perforation equipment as described in claim 3, characterized in that, A first adjusting screw (6) is fitted on one corner of the die holder (5). The lower end of the screw is threaded to the processing table (1). A connecting plate (15) is provided below the fixing plate (9). A second adjusting screw (16) is threaded on the connecting plate (15). The second adjusting screw (16) is rotatably connected to the fixing plate (9).

5. The thermoplastic resin coated nonwoven fabric perforation equipment as described in claim 4, characterized in that, The frame (2) is provided with a dust cover (17) on top, which covers the cylinder (3).

6. The thermoplastic resin coated nonwoven fabric perforation equipment as described in claim 5, characterized in that, Pull rods (18) are provided on both sides of the processing table (1).

Images