Ultrasonic bonding device for non-woven fabrics

By introducing a tension adjustment mechanism into the nonwoven fabric processing device, and utilizing the cooperation of a spiral rod and a coil spring, a constant pressure is maintained on the nonwoven fabric, thus solving the problem of damage and wrinkles caused by improper tension of the nonwoven fabric and improving the bonding quality.

CN223590306UActive Publication Date: 2025-11-25HEFEI YUCHEN PLASTIC PRODUCTS CO LTD
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Patent Information

Application Number
CN202423173033.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-25
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

In existing nonwoven fabric processing equipment, excessive or insufficient tension in the nonwoven fabric during transmission can easily cause damage or wrinkles, affecting the bonding quality.

Method used

A tension adjustment mechanism is adopted, including a support plate, a slide, a slider, a screw rod, and a coil spring. The position of the slider and the pressure rod is adjusted by rotating the screw rod to maintain a constant pressure on the nonwoven fabric and avoid wrinkles.

Benefits of technology

Ensure that the nonwoven fabric remains stretched throughout the bonding process to avoid wrinkles and improve processing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an ultrasonic bonding device for non-woven fabrics, which relates to the technical field of non-woven fabric processing equipment and comprises a base, a feeding roller is fixedly connected to the left side of the upper end of the base, a receiving roller is fixedly connected to the right side of the upper end of the base, and an ultrasonic bonding device is arranged at the upper end of the base. A tension adjusting mechanism is arranged at the upper end of the base and used for adjusting the tension degree of the non-woven fabric, the tension adjusting mechanism comprises supporting plates fixedly connected to the front position and the rear position of the upper end of the base, sliding grooves are slidably connected to the opposite sides of the supporting plates, and sliding blocks are slidably connected to the upper positions and the lower positions of the sliding grooves. Under the action of the coil spring, the pressing rod can move up and down according to the tension degree of the non-woven fabric, so that the pressure of the pressing rod on the non-woven fabric is kept unchanged, the non-woven fabric is always in an open state, wrinkles are avoided during bonding work, and the processing effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to non -woven fabric processing equipment technical field especially, relates to a non -woven fabric is with ultrasonic bonding device. BACKGROUND

[0002] Non -woven fabric has the characteristics such as moistureproof, ventilation, pliable, light in weight, non -combustible, easy to decompose, non -toxic and non -irritating, rich in color, low price, recycling etc. Like polypropylene (pp material) granules is used as raw material, is produced by non -woven fabric with high temperature melting, spinning, laying, hot pressing and taking continuously one -step method, when processing, need single -layer non -woven fabric, through ultrasonic bonding device, carries out adhesion.

[0003] The prior art device only has a single limiting roller for guiding, when working, in the non -woven fabric transmission process, when the tension of the non -woven fabric is too large, the non -woven fabric may be damaged, when the tension is too small, the non -woven fabric may wrinkle, which affects the quality of the non -woven fabric produced during adhesion, and the applicability is poor. UTILITY MODEL CONTENT

[0004] The utility model discloses a non -woven fabric is with ultrasonic bonding device, aims at solving when working, in the non -woven fabric transmission process, when the tension of the non -woven fabric is too large, the non -woven fabric may be damaged, when the tension is too small, the non -woven fabric may wrinkle, which affects the quality of the non -woven fabric produced during adhesion, and the applicability is poor technical problem.

[0005] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of non -woven fabric is with ultrasonic bonding device, including base, the upper end left side of the base is fixedly connected with discharging roller, the upper end right side of the base is fixedly connected with receiving roller, the upper end of the base is equipped with ultrasonic bonding device, the upper end of the base is equipped with tension adjusting mechanism, and the tension adjusting mechanism is used to adjust the tension of non -woven fabric;

[0007] The tension adjusting mechanism includes support plate fixedly connected on the upper end of the base before and after position, the opposite side of the support plate is slidably connected with sliding slot, the upper and lower positions of the sliding slot are slidably connected with sliding block, the inside of the sliding slot is rotatably connected with screw rod in the upper and lower positions, the rod wall of the screw rod is screw transmission with the inside of the sliding block, the front of the sliding block is equipped with pressure rod on the opposite side, the upper and lower positions of the support plate are fixedly connected with cylinder, the inside of the cylinder is fixedly connected with coil spring, and the inside of the coil spring is fixedly connected with screw rod.

[0008] Preferably, the upper end of the base is fixedly connected with limiting roller;

[0009] Preferably, the initial state of the sliding block is located in the middle of the sliding groove.

[0010] Preferably, the front and back positions of the pressing rod are rotationally connected with the sliding block.

[0011] As can be seen from the above, the ultrasonic bonding device for non-woven fabric has the advantages that: under the action of the coil spring, the pressing rod can move up and down according to the tension degree of the non-woven fabric, so that the pressure of the pressing rod on the non-woven fabric remains unchanged, thereby ensuring that the non-woven fabric is always in an open state, and wrinkles are avoided during the bonding work, and the processing effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only a part of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0013] Figure 1 The present application provides a kind of overall structure schematic diagram of ultrasonic bonding device for non-woven fabric.

[0014] Figure 2 The present application provides a kind of layout structure schematic diagram of ultrasonic bonding device for non-woven fabric.

[0015] Figure 3 The present application provides a kind of support plate cross-sectional structure schematic diagram of ultrasonic bonding device for non-woven fabric.

[0016] In the figure: 1, base; 2, material receiving roller; 3, ultrasonic bonding device; 4, limiting roller; 5, material feeding roller; 6, support plate; 7, cylinder; 8, pressing rod; 9, screw rod; 10, sliding groove; 11, sliding block; 12, coil spring. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail in combination with specific embodiments.

[0018] It should be noted that, unless otherwise defined, technical terms or scientific terms used in the present application should be understood as the usual meaning understood by a person with ordinary skills in the field to which the present application belongs. In the present application, "first", "second" and similar words do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0019] Referring to Figures 1-3 An ultrasonic bonding device for non-woven fabric includes a base 1, a feed roller 5 fixedly connected to the left side of the upper end of the base 1 for placing the initial raw material, a receiving roller 2 fixedly connected to the right side of the upper end of the base 1 for receiving the non-woven fabric after bonding, an ultrasonic bonding device 3 provided at the upper end of the base 1, and a tension adjusting mechanism provided at the upper end of the base 1 for adjusting the tension of the non-woven fabric.

[0020] The tension adjusting mechanism includes support plates 6 fixedly connected to the front and rear positions of the upper end of the base 1, sliding grooves 10 slidably connected to opposite sides of the support plates 6, sliding blocks 11 slidably connected to the upper and lower positions of the sliding grooves 10, the sliding blocks 11 moving inside the sliding grooves 10, screw rods 9 rotatably connected to the upper and lower positions inside the sliding grooves 10, the screw rods 9 rotating to move the sliding blocks 11, the screw rods 9 being in screw transmission with the inside of the sliding blocks 11, pressure rods 8 provided on the front side of the front and rear sliding blocks 11, the sliding blocks 11 moving to move the pressure rods 8, cylindrical barrels 7 fixedly connected to the upper and lower positions of the support plates 6, coil springs 12 fixedly connected to the inside of the cylindrical barrels 7, the coil springs 12 having a deformation amount that can be considered as negligible when the screw rods 9 rotate, so that the rotational force exerted by the coil springs 12 on the screw rods 9 hardly changes when the screw rods 9 rotate, and the inside of the coil springs 12 being fixedly connected to the screw rods 9.

[0021] The material to be processed is placed on the upper part of the feeding roller 5, and the corresponding non-woven fabric passes through the two pressing rods 8 and enters the interior of the ultrasonic bonding device 3, and the non-woven fabric is processed, and then the processed non-woven fabric is stored through the storage roller 2 arranged, and in the processing process, the tension of the non-woven fabric may change, at this time when the tension decreases, the coil spring 12 drives the screw rod 9 to rotate, the rotation of the screw rod 9 makes the sliding block 11 move downward, and then the pressing rod 8 continues to press the non-woven fabric, when the tension of the non-woven fabric increases, the sliding block 11 moves upward, it should be noted that when the screw rod 9 rotates, the change of the deformation amount of the coil spring 12 can be almost ignored, so that the rotation force of the coil spring 12 and the screw rod 9 remains unchanged, and the pressure of the pressing rod 8 on the non-woven fabric remains unchanged, so that the pressing rod 8 can move up and down according to the tension of the non-woven fabric under the action of the coil spring 12, and the pressure of the pressing rod 8 on the non-woven fabric remains unchanged, so as to ensure that the non-woven fabric is always in the state of being stretched, and avoid wrinkles during bonding work, improve the processing effect.

[0022] With reference to Figure 1 , the upper end of the base 1 is fixedly connected with the limiting roller 4, so that the non-woven fabric can enter the interior of the ultrasonic bonding device 3 horizontally, and the processing effect is guaranteed.

[0023] With reference to Figure 2 , the initial state of the sliding block 11 is located at the middle position of the sliding groove 10, so that the sliding block 11 can move downward and upward.

[0024] With reference to Figure 3 , the front and rear positions of the pressing rod 8 are rotationally connected with the sliding block 11, so as to avoid the rolling friction between the pressing rod 8 and the non-woven fabric, and reduce the possibility of damage of the non-woven fabric by the pressing rod 8.

[0025] Working principle: the material to be processed is placed on the upper surface of the feeding roller 5, the corresponding non-woven fabric passes through the two pressing rods 8, enters the inside of the ultrasonic bonding device 3, processes the non-woven fabric, and then the processed non-woven fabric is stored through the arranged material collecting roller 2, in the processing process, the tension of the non-woven fabric may change, at this time, when the tension decreases, the coil spring 12 drives the screw rod 9 to rotate, the rotation of the screw rod 9 makes the sliding block 11 move downwards, and then the pressing rod 8 continues to press the non-woven fabric, when the tension of the non-woven fabric increases, the sliding block 11 moves upwards, it should be noted that when the screw rod 9 rotates, the change of the deformation amount of the coil spring 12 can be almost ignored, so that the rotation force of the coil spring 12 and the screw rod 9 remains unchanged, so that the pressure of the pressing rod 8 on the non-woven fabric remains unchanged, so that the non-woven fabric is always in the state of being stretched, and the processing effect is improved.

[0026] Those skilled in the art will understand that the above discussion of any embodiment is merely exemplary and is not intended to suggest the scope of the present application (including the claims) is limited to these examples; under the thought of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of simplicity.

[0027] The present application is intended to cover all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Accordingly, any and all such modifications, variations or equivalents that fall within the spirit and scope of the present application are intended to be included within the scope of the present application.

Claims

1. An ultrasonic bonding device for nonwoven fabrics, comprising a base (1), characterized in that, A feeding roller (5) is fixedly connected to the upper left side of the base (1), a receiving roller (2) is fixedly connected to the upper right side of the base (1), an ultrasonic bonding device (3) is provided at the upper end of the base (1), and a tension adjustment mechanism is provided at the upper end of the base (1). The tension adjustment mechanism is used to adjust the tension of the nonwoven fabric. The tension adjustment mechanism includes a support plate (6) fixedly connected to the front and rear positions of the upper end of the base (1). The support plate (6) is slidably connected to a groove (10) on both sides. The groove (10) is slidably connected to a slider (11) at both the upper and lower positions. The groove (10) is rotatably connected to a spiral rod (9) at both the upper and lower positions. The rod wall of the spiral rod (9) is screwed to the inside of the slider (11). The front side of the slider (11) is provided with a pressure rod (8). The support plate (6) is fixedly connected to a cylinder (7) at both the upper and lower positions. The cylinder (7) is fixedly connected to a coil spring (12). The inside of the coil spring (12) is fixedly connected to the spiral rod (9).

2. The ultrasonic bonding device for nonwoven fabrics according to claim 1, characterized in that, The upper end of the base (1) is fixedly connected to a limiting roller (4).

3. The ultrasonic bonding device for nonwoven fabrics according to claim 1, characterized in that, The slider (11) is initially located in the middle of the groove (10).

4. The ultrasonic bonding device for nonwoven fabrics according to claim 1, characterized in that, The front and rear positions of the pressure rod (8) are rotatably connected to the slider (11).