A horizontal four-roller sanding machine

By configuring four grinding rollers and corner rollers in a horizontal grinding machine, and installing a dust extraction hood below the grinding rollers, the problems of low grinding efficiency and environmental pollution are solved, achieving a high-efficiency and environmentally friendly grinding effect.

CN224451135UActive Publication Date: 2026-07-03LIANYUNGANG ZAOLI AUTOMATION TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LIANYUNGANG ZAOLI AUTOMATION TECH CO LTD
Filing Date
2025-07-24
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing horizontal brushing machines have low brushing efficiency and fail to meet brushing standards. Furthermore, the short fibers, dust, and fiber debris generated during brushing operations pollute the environment.

Method used

Design a horizontal four-roller napping machine, equipped with four napping rollers and corner wrapping rollers to increase the contact area and time between the fabric and the napping rollers. At the same time, a dust removal suction hood is set under the napping rollers to suck away short fibers, dust and fiber debris through the negative pressure dust removal suction port.

Benefits of technology

It improves the efficiency and effectiveness of sanding, achieves environmentally friendly sanding operations, and reduces environmental pollution.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224451135U_ABST
Patent Text Reader

Abstract

This utility model discloses a horizontal four-roller napping machine, which includes a frame on which fabric feed rollers are arranged sequentially in the fabric feeding direction; a feed roller group located at the top of the frame; a napping unit located behind the feed roller group, which includes a napping roller group, a corner roller, and a cleaning roller. The napping roller group includes several napping rollers, and the corner roller is positioned above the napping rollers to press the fabric against the outer circumference of the napping rollers for napping; a dust extraction hood located directly below the napping rollers in the napping unit, with a negative pressure dust extraction port at the bottom of the dust extraction hood; and several sets of spreading roller groups, traction roller groups, and guide roller groups installed on the frame between the feed roller group and the napping unit. This horizontal four-roller napping machine has four napping rollers, and the corner roller is positioned above the napping rollers, which increases the contact area and contact time between the fabric and the napping rollers. This multi-roller structure improves the efficiency of the napping process to a certain extent, resulting in a more uniform and delicate napping effect.
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Description

Technical Field

[0001] This utility model relates to the technical field of finishing equipment for fabric processing, specifically a horizontal four-roller napping machine. Background Technology

[0002] Fabric napping is a finishing process in fabric processing. It involves rubbing the fabric surface to create uniform, fine, and dense nap at the fiber ends, giving the fabric a soft, full, and comfortable feel.

[0003] We have discovered some inherent defects when performing fabric brushing operations using our current horizontal brushing machines:

[0004] (1) The contact area and time between a single or a small number of abrasive rollers and the fabric are limited, resulting in low abrasive efficiency and failure to meet the abrasive effect standards.

[0005] (2) Furthermore, a large amount of short fibers, dust and fiber debris will be generated during the brushing operation. Existing brushing machines are usually not equipped with a dust collection structure, which will cause pollution to the surrounding environment during the brushing operation.

[0006] Therefore, we have made technical improvements to the existing napping equipment to meet the post-processing napping needs of fabric processing. Utility Model Content

[0007] The technical problem to be solved by this utility model is to address the shortcomings of the existing technology by providing a horizontal four-roller napping machine with high napping efficiency and the ability to collect and store short fibers, dust and fiber debris generated during napping.

[0008] The technical problem to be solved by this utility model is achieved through the following technical solution: a horizontal four-roller brushing machine, which includes a frame, on which are arranged sequentially in the direction of fabric feeding;

[0009] The feed roller assembly is located at the top of the frame;

[0010] The napping unit is located after the feed roller group. It includes a napping roller group, a corner wrapping roller, and a cleaning roller. The napping roller group includes several napping rollers. The corner wrapping roller is located above the napping roller and is used to abrade the fabric against the outer circumferential surface of the napping roller.

[0011] The dust removal suction hood is located directly below the grinding roller in the grinding unit, and a negative pressure dust removal suction port is provided at the bottom of the dust removal suction hood.

[0012] It also includes several sets of spreading rollers, traction rollers and guide rollers, which are installed on the frame between the feed rollers and the abrasive unit.

[0013] The technical problem to be solved by this utility model can also be achieved through the following technical solution: the horizontal four-roller brushing machine described above, wherein the feed roller group includes a mounting frame, and a [missing information] is mounted on the mounting frame.

[0014] Square supports are used for feeding fabric.

[0015] The fabric tensioning frame has several tensioning rollers mounted on it, and the fabric tensioning frame is located at the rear of the square support.

[0016] The technical problem to be solved by this utility model can also be achieved through the following technical solution: the horizontal four-roller napping machine described above, wherein the spreading roller group includes spreading roller group I, spreading roller group II, spreading roller group III and spreading roller group IV arranged in sequence in the fabric feeding direction, the traction roller group includes traction roller group I, traction roller group II, traction roller group III and traction roller group IV arranged in sequence in the fabric feeding direction, and the guide roller group includes guide roller group I and guide roller group II arranged in sequence in the fabric feeding direction;

[0017] The spreading roller group I is located after the feed roller group, the traction roller group I is located after the spreading roller group I, the spreading roller group II is located after the traction roller group I, the traction roller group II is located after the spreading roller group II, the spreading roller group III is located after the traction roller group II, the guide roller group I is located after the spreading roller group III, the traction roller group III is located on the frame between the guide roller group I and the dust extraction hood, the guide roller group II is located after the cleaning roller, the spreading roller group IV is located after the guide roller group II, and the traction roller group IV is located after the spreading roller group IV.

[0018] The technical problem to be solved by this utility model can also be achieved through the following technical solution: the horizontal four-roller napping machine described above, wherein the spreading roller group I, spreading roller group II, spreading roller group III, spreading roller group IV, traction roller group I, traction roller group II, traction roller group III, traction roller group IV, guide roller group I and guide roller group II are all rotatably mounted on the machine frame, and their axes are arranged parallel to each other.

[0019] The technical problem to be solved by this utility model can also be achieved through the following technical solution: the horizontal four-roller grinding machine described above, wherein the grinding roller group consists of four horizontally arranged grinding rollers, and two adjacent grinding rollers on the left and right constitute a group of grinding rollers, and each group of grinding rollers has a corner roller above it.

[0020] The technical problem to be solved by this utility model can also be achieved through the following technical solution: In the horizontal four-roller grinding machine described above, the cleaning roller is located at the rear of the four grinding rollers, and a brush is installed on the outer circumferential surface of the cleaning roller.

[0021] The technical problem to be solved by this utility model can also be achieved through the following technical solution: In the horizontal four-roller grinding machine described above, the top of the dust removal and suction hood is flush with the top of the grinding roller in the grinding unit.

[0022] Compared with the prior art, the beneficial technical effects of this utility model are:

[0023] (1) The horizontal four-roller sanding machine is equipped with four sanding rollers, and a corner wrapping roller is configured above the sanding rollers, which can increase the contact area and action time between the fabric and the sanding rollers. This multi-roller structure improves the efficiency of sanding to a certain extent, and the sanding effect is more uniform and delicate.

[0024] (2) A dust removal suction hood is installed below the grinding roller assembly. The bottom of the dust removal suction hood is equipped with a negative pressure dust removal adsorption port, which can perform negative pressure suction to remove short fibers, dust and fiber debris generated during the grinding of the grinding roller, thereby forcibly sucking these impurities into the dust removal suction hood, so as to meet the environmental protection requirements of the equipment during the grinding operation to the greatest extent. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the main structure of this utility model.

[0026] Reference numerals: 1. Frame; 2. Mounting frame; 3. Square support; 4. Tightening roller; 5. Corner wrapping roller; 6. Cleaning roller; 7. Abrasive roller; 8. Dust extraction hood; 9. Negative pressure dust extraction port; 10. Spreading roller group I; 11. Spreading roller group II; 12. Spreading roller group III; 13. Spreading roller group IV; 14. Traction roller group I; 15. Traction roller group II; 16. Traction roller group III; 17. Traction roller group IV; 18. Guide roller group I; 19. Guide roller group II. Detailed Implementation

[0027] The specific technical solutions of this utility model are further described below with reference to the accompanying drawings, so as to enable those skilled in the art to further understand this utility model, without constituting a limitation on its rights.

[0028] Example 1, referring to Figure 1 A horizontal four-roller brushing machine includes a frame 1, which can be formed by overlapping and welding profiles. Its size and specifications can be selected according to the usage requirements. The frame 1 is provided with the following in sequence according to the fabric feeding direction.

[0029] The feed roller assembly is located at the top of the frame 1. The feed roller assembly includes a mounting frame 2, which is formed as a roughly square support structure. A square support 3, which is formed as a roughly square roller structure, is fixed on the mounting frame 2 and is parallel to the axis of the abrasive roller 7 described below. One of the vertical side walls and the top surface of the square support 3 are in contact with the fabric and are used for feeding the fabric. A fabric tensioning frame, which is formed as a roughly plate-like structure, has several fabric tensioning rollers 4 rotatably mounted on it. The fabric tensioning frame is located at the rear of the square support 3. Two fabric tensioning rollers 4 are arranged parallel to each other. The tensioning degree of the fabric tensioning rollers 4 can be adjusted by changing the placement angle or installation position of the fabric tensioning frame. The fabric tensioning frame can be screwed onto the mounting frame 2.

[0030] The napping unit is located after the feed roller group. It includes a napping roller group, a corner wrapping roller 5, and a cleaning roller 6. The napping roller group includes several napping rollers. The corner wrapping roller 5 is placed above the napping rollers and is used to abrade the fabric against the outer circumferential surface of the napping rollers. The napping roller group consists of four horizontally arranged napping rollers 7. Two adjacent napping rollers 7 form a group of napping rollers 7. Each group of napping rollers 7 has a corner wrapping roller 5 above it. The cleaning roller 6 is located after the four napping rollers 7. A brush is installed on the outer circumferential surface of the cleaning roller 6. The size and specifications of the cleaning roller 6 can be selected according to the usage requirements.

[0031] The dust removal suction hood 8 is formed in a roughly funnel-shaped structure and is located directly below the abrasion roller 7 in the abrasion unit. A negative pressure dust removal suction port 9 is provided at the bottom of the dust removal suction hood 8. The negative pressure dust removal suction port 9 can be a circular opening. An external negative pressure pipe can be fixedly connected to the negative pressure dust removal suction port 9. The top of the dust removal suction hood 8 is flush with the top of the abrasion roller 7 in the abrasion unit.

[0032] It also includes several sets of spreading roller groups, traction roller groups, and guide roller groups, which are installed on the frame 1 between the feed roller group and the napping unit. The spreading roller group includes spreading roller group I 10, spreading roller group II 11, spreading roller group III 12, and spreading roller group IV 13 arranged in sequence in the feed direction. The traction roller group includes traction roller group I 14, traction roller group II 15, traction roller group III 16, and traction roller group IV 17 arranged in sequence in the feed direction. The guide roller group includes guide roller group I 18 and guide roller group II 19 arranged in sequence in the feed direction.

[0033] The spreading roller group I10 is located after the feed roller group, the traction roller group I14 is located after the spreading roller group I10, the spreading roller group II11 is located after the traction roller group I14, the traction roller group II15 is located after the spreading roller group II11, the spreading roller group III12 is located after the traction roller group II15, the guide roller group I18 is located after the spreading roller III, the traction roller group III16 is located on the frame 1 between the guide roller group I18 and the dust extraction hood 8, the guide roller group II19 is located after the cleaning roller 6, the spreading roller group IV13 is located after the guide roller group II19, and the traction roller group IV17 is located after the spreading roller group IV13.

[0034] The spreading roller group I10, spreading roller group II11, spreading roller group III12, spreading roller group IV13, traction roller group I14, traction roller group II15, traction roller group III16, traction roller group IV17, guide roller group I18, and guide roller group II19 are all rotatably mounted on the frame 1, with their axes arranged parallel to each other. The specific number of traction rollers, spreading rollers, or guide rollers in the spreading roller group I10, spreading roller group II11, spreading roller group III12, spreading roller group IV13, traction roller group I14, traction roller group II15, traction roller group III16, traction roller group IV17, guide roller group I18, and guide roller group II19 can be selected according to the usage requirements.

[0035] In the horizontal four-roller napping machine of Example 1, the fabric is first wound around the square support 3, the tensioning roller 4 on the tensioning frame, the spreading roller group I 10, the traction roller group I 14, the spreading roller group II 11, the traction roller group II 15, the spreading roller group III 12, the guide roller group I 18, the traction roller group III 16, the napping roller group, the corner wrapping roller 5, the cleaning roller 6, the guide roller group II 19, the spreading roller group IV 13, and the traction roller group IV 17. Then, an external rotating power mechanism, such as a servo motor, provides rotational force to the above-mentioned napping roller group, corner wrapping roller 5, cleaning roller 6, spreading roller group, traction roller group, and guide roller group to drive the fabric in and out. The fabric feeding speed can be selected according to the usage requirements. During napping, an external negative pressure pipe can be connected to the negative pressure dust suction port 9 at the bottom of the dust suction hood 8 to suck up the short fibers, dust, and fiber debris generated during napping.

Claims

1. A horizontal four-roll raising machine characterized in that: It includes a frame, on which are arranged sequentially according to the fabric feeding direction; The feed roller assembly is located at the top of the frame; The napping unit is located after the feed roller group. It includes a napping roller group, a corner wrapping roller, and a cleaning roller. The napping roller group includes several napping rollers. The corner wrapping roller is located above the napping roller and is used to abrade the fabric against the outer circumferential surface of the napping roller. The dust removal suction hood is located directly below the grinding roller in the grinding unit, and a negative pressure dust removal suction port is provided at the bottom of the dust removal suction hood. It also includes several sets of spreading rollers, traction rollers and guide rollers, which are installed on the frame between the feed rollers and the abrasive unit.

2. A horizontal four-roll raising machine according to claim 1, characterized in that: The feed roller assembly includes a mounting frame, on which are mounted the feed rollers; Square supports are used for feeding fabric. The fabric tensioning frame has several tensioning rollers mounted on it, and the fabric tensioning frame is located at the rear of the square support.

3. A horizontal four-roll raising machine according to claim 2, characterized in that: The spreading roller group includes spreading roller group I, spreading roller group II, spreading roller group III and spreading roller group IV arranged in sequence in the fabric feeding direction; the traction roller group includes traction roller group I, traction roller group II, traction roller group III and traction roller group IV arranged in sequence in the fabric feeding direction; and the guide roller group includes guide roller group I and guide roller group II arranged in sequence in the fabric feeding direction. The spreading roller group I is located after the feed roller group, the traction roller group I is located after the spreading roller group I, the spreading roller group II is located after the traction roller group I, the traction roller group II is located after the spreading roller group II, the spreading roller group III is located after the traction roller group II, the guide roller group I is located after the spreading roller group III, the traction roller group III is located on the frame between the guide roller group I and the dust extraction hood, the guide roller group II is located after the cleaning roller, the spreading roller group IV is located after the guide roller group II, and the traction roller group IV is located after the spreading roller group IV.

4. A horizontal four-roll raising machine according to claim 3, characterized in that: The spreading roller group I, spreading roller group II, spreading roller group III, spreading roller group IV, traction roller group I, traction roller group II, traction roller group III, traction roller group IV, guide roller group I and guide roller group II are all rotatably mounted on the frame, and their axes are arranged parallel to each other.

5. A horizontal four-roll raising machine according to claim 1, characterized in that: The aforementioned abrasive roller assembly consists of four horizontally arranged abrasive rollers. Two adjacent abrasive rollers on the left and right constitute a set of abrasive rollers, and each set of abrasive rollers has a corner roller above it.

6. A horizontal four-high raising machine according to claim 5, characterized in that: The cleaning roller is located after the four abrasive rollers, and a brush is installed on the outer circumferential surface of the cleaning roller.

7. A horizontal four-high raising machine according to claim 1, characterized in that: The top of the dust extraction hood is flush with the top of the abrasive roller in the abrasive unit.