Efficient and stable uncoiling machine

By adjusting the roller spacing by center drum lifting and edge drum translation, the problem of existing unwinders requiring shutdown to adjust the roller position is solved, and efficient fabric tightness adjustment is achieved and production efficiency is improved.

CN223188613UActive Publication Date: 2025-08-05DONGGUAN DEHUANG MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422348121.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-08-05
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

The existing unwinder needs to pause the machine operation when switching different fabrics, adjust the drum position, resulting in a reduced production efficiency.

Method used

Through the lifting of the center drum and the translation of the edge drum, the drum spacing is adjusted to adjust the fabric tightness, and the cylinder and the motor operate in conjunction to achieve real-time adjustment without the need for mid-range shutdown.

Benefits of technology

Improve the efficiency of fabric tightness adjustment, improve production efficiency, and avoid the time loss of machine shutdown adjustment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an efficient and stable type unwinding machine which comprises a transverse support, a center roller and an edge roller, the center roller and the edge roller are arranged above the transverse support and used for unwinding cloth, a cross beam frame designed in a U shape is welded below the transverse support, an air cylinder is fixed to the center of the lower end face of the cross beam frame, and the air cylinder is connected with the cross beam frame. A lifting plate is connected to the air cylinder, a movable insertion rod is fixedly welded to the upper end face of the lifting plate and penetrates through the transverse support in a sliding mode, and a storage base is welded to the upper portion of the movable insertion rod. According to the efficient and stable type unwinding machine, the air cylinder and the motor are operated in a matched mode, the distance between the rollers can be adjusted through lifting of the center roller and translation of the two edge rollers, and therefore the tightness degree of cloth in the unwinding process can be adjusted at any time, the machine does not need to be stopped in the midway for adjustment, and the efficiency of adjusting the tightness degree of the cloth is improved; and the production efficiency can be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of unwinding machines, in particular to a high-efficiency and stable unwinding machine. Background Art

[0002] The fabric processing involves printing and dyeing processes, and before printing and dyeing, the fabric must be spread out horizontally. Therefore, an unwinding machine is needed to unwind the rolled fabric and unfold it to facilitate dyeing and printing.

[0003] When the current unwinding machine unwinds the fabric, because different fabrics require different tightness when unwinding, the current unwinding machine needs to pause the machine operation when switching different fabrics, adjust the position of the roller that conveys the fabric (to achieve a change in tightness), and then continue to run to unwind the fabric. Since the machine has to pause in the middle, it delays time to a certain extent and reduces production efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide an efficient and stable unwinding machine. By lifting and lowering the central roller and translating the two edge rollers, the spacing between the rollers can be adjusted, so that the tightness of the cloth during the unwinding process can be adjusted at any time without stopping the machine for adjustment, thereby improving the efficiency of adjusting the tightness of the cloth and helping to improve production efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an efficient and stable unwinding machine, comprising a transverse bracket and a central roller and an edge roller arranged above the transverse bracket, the central roller and the edge roller are used to unwind the cloth, a U-shaped crossbeam frame is welded below the transverse bracket, a cylinder is fixed at the center of the lower end face of the crossbeam frame, a lifting plate is connected to the cylinder, a movable plug rod is fixedly welded to the upper end face of the lifting plate, and the movable plug rod slides through the transverse bracket, and a storage seat is welded above the movable plug rod, in this embodiment, there are two lifting plates, two movable plug rods and two storage seats, and the two storage seats are located at both ends of the center roller, which are used to fix the two ends of the center roller, Side brackets are welded on both sides of the outer wall of the transverse bracket, and a motor is fixed on one of the side brackets. Edge slide grooves are formed at the ends of the two side brackets away from the transverse bracket, and screws and slide rods are respectively provided in the two edge slide grooves, and a pair of slide seats are provided in the two edge slide grooves. The output shaft of the motor is connected to the screw, and the threads at both ends of the screw rotate in opposite directions. Both ends of the slide rod are welded to the side bracket, and two upper edge frames are symmetrically provided above the transverse bracket, and a pair of slide seats are welded at both ends of each upper edge frame. The slide seat at one end of the upper edge frame is threadedly installed on the screw, and the slide seat at the other end is slidably installed on the slide rod. A top seat is welded on the upper end face of the upper edge frame. In this embodiment, two symmetrically distributed top seats are provided on the upper end face of the upper edge frame.

[0006] As a preferred implementation scheme: there are two movable rods and they are symmetrical on the lifting plate, and both movable rods are designed vertically; so that the two movable rods are symmetrical to the two ends of the horizontal bracket, and the storage seats on the two movable rods can respectively limit the two ends of the center roller.

[0007] As a preferred embodiment: the central roller and the two edge rollers are all arranged horizontally, and the two edge rollers are symmetrical to the two ends of the central roller.

[0008] As a preferred embodiment, the height of the edge rollers is smaller than that of the center roller, so that the cloth is lifted on the center roller and can be unwound smoothly.

[0009] As a preferred embodiment: the screw and the slide are both arranged horizontally, and both ends of the screw are rotatably connected to the side bracket; so that the screw can operate stably, and the screw and the slide are distributed at both ends of the horizontal bracket.

[0010] As a preferred implementation scheme: bearings are installed on both the storage seat and the top seat, the center roller is installed in the bearing on the storage seat, and the edge rollers are installed in the bearing on the top seat; the center roller can cooperate with the two edge rollers to guide the cloth, and the tightness of the cloth can be adjusted in real time by lifting and lowering the center roller and translating the two edge rollers, so as to adapt to the unwinding of different types of cloth.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: In the present invention, during the unwinding process of the fabric, the cylinder and the motor are coordinated to operate, and the spacing between the rollers can be adjusted by lifting and lowering the center roller and translating the two edge rollers, so that the tightness of the fabric during the unwinding process can be adjusted at any time, and there is no need to stop the machine in the middle for adjustment, which improves the efficiency of adjusting the tightness of the fabric and is conducive to improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a side view of the utility model;

[0014] Figure 3 For the utility model Figure 1 Schematic diagram of the cross section at AA in the middle;

[0015] Figure 4 For the utility model Figure 1 A magnified view of the structure at point B in the middle;

[0016] Figure 5 This is a schematic diagram of the fabric unwinding process according to an embodiment of the present invention.

[0017] The reference numerals and names in the figure are as follows: 1. Horizontal bracket; 2. Crossbeam frame; 3. Cylinder; 4. Lifting plate; 5. Movable plug rod; 6. Storage seat; 7. Center roller; 8. Edge roller; 9. Side bracket; 10. Motor; 11. Edge slide; 12. Screw; 13. Slide rod; 14. Slide seat; 15. Upper frame; 16. Top seat; 17. Bearing; 18. Fabric. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0020] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0021] See also Figure 1 、 Figure 2 and Figure 5The utility model provides an embodiment: an efficient and stable unwinding machine, including a transverse bracket 1 and a center roller 7 and an edge roller 8 arranged above the transverse bracket 1. The center roller 7 and the edge roller 8 are used to unwind the cloth 18. A U-shaped crossbeam frame 2 is welded below the transverse bracket 1, and a cylinder 3 is fixed at the center of the lower end surface of the crossbeam frame 2. A lifting plate 4 is connected to the cylinder 3, and a movable plug rod 5 is fixedly welded on the upper end surface of the lifting plate 4. The movable plug rod 5 slides through the transverse bracket 1, and a storage seat 6 is welded above the movable plug rod 5. In this embodiment, the lifting plate 4, the movable plug rod 5 and the storage seat 6 are all There are two, and the two storage seats 6 are located at both ends of the center drum 7, which are used to fix the two ends of the center drum 7. There are two movable plugging rods 5 and they are symmetrical on the lifting plate 4. The two movable plugging rods 5 are designed vertically, so that the two movable plugging rods 5 are symmetrical to the two ends of the horizontal bracket 1, and the storage seats 6 on the two movable plugging rods 5 can respectively limit the two ends of the center drum 7. In addition, the center drum 7 and the two edge drums 8 are all horizontally arranged, and the two edge drums 8 are symmetrical to the two ends of the center drum 7. The height value of the edge drum 8 is less than the height value of the center drum 7, so that the cloth 18 is lifted on the center drum 7, so that it can be unwound smoothly;

[0022] See also Figure 3 , side brackets 9 are welded on both sides of the outer wall of the horizontal bracket 1, a motor 10 is fixed on one of the side brackets 9, and edge slide grooves 11 are formed on the ends of the two side brackets 9 away from the horizontal bracket 1, and screws 12 and slide rods 13 are respectively provided in the two edge slide grooves 11, and a pair of slide seats 14 are provided in the two edge slide grooves 11. The output shaft of the motor 10 is connected to the screw rod 12, and the threads at both ends of the screw 12 are rotated in opposite directions. Both ends of the slide rod 13 are welded to the side bracket 9 Then, the screw rod 12 and the slide rod 13 are both arranged horizontally, and both ends of the screw rod 12 are rotatably connected to the side bracket 9, so that the screw rod 12 can operate stably. The screw rod 12 and the slide rod 13 are distributed at both ends of the horizontal bracket 1. Two upper edge frames 15 are symmetrically provided above the horizontal bracket 1. A pair of slide seats 14 are welded to both ends of each upper edge frame 15. The slide seat 14 at one end of the upper edge frame 15 is threadedly mounted on the screw rod 12, and the slide seat 14 at the other end is slidably mounted on the slide rod 13;

[0023] See also Figure 1 and Figure 3 A top seat 16 is welded on the upper end surface of the upper frame 15. In this embodiment, two symmetrically distributed top seats 16 are provided on the upper end surface of the upper frame 15.

[0024] See also Figure 4Bearings 17 are installed on the storage seat 6 and the top seat 16. The center roller 7 is installed in the bearing 17 on the storage seat 6, and the edge roller 8 is installed in the bearing 17 on the top seat 16. The center roller 7 can cooperate with the two edge rollers 8 to guide the cloth 18. The tightness of the cloth 18 can be adjusted in real time by lifting and lowering the center roller 7 and translating the two edge rollers 8 to adapt to the unwinding of different types of cloth 18.

[0025] During the working of the present invention, the cloth 18 is made to Figure 5 The cloth 18 is wound up in the state shown in the figure, so that the cloth 18 passes under the outer circle of the two edge rollers 8 and above the outer circle of the center roller 7. The cloth 18 is continuously run by external equipment, so that the cloth 18 can be continuously unfolded on the center roller 7 and the two edge rollers 8. At the same time, the cloth 18 can drive the center roller 7 and the two edge rollers 8 to rotate when it is running (the center roller 7 and the edge rollers 8 both rotate along the bearings 17 at their ends). Since the friction between the cloth 18 and the center roller 7 or the edge rollers 8 is rolling friction, the friction force is smaller than that of sliding friction, which reduces the possibility of damage to the cloth 18. rate; when it is necessary to adjust the tightness of the cloth 18, the cylinder 3 and the motor 10 can be driven to work at the same time, wherein the cylinder 3 drives the lifting plate 4 and the two movable plugs 5 to rise and fall when working, so that the center roller 7 rises and falls accordingly, and the motor 10 drives the screw 12 to operate when working, so that the two upper edge frames 15 (and the slides 14 at their ends) are translated in opposite directions or opposite directions along with the slide rod 13, thereby adjusting the distance between the two edge rollers 8, and the lifting and lowering of the center roller 7 and the translation of the edge roller 8 can quickly adjust the tightness of the cloth 18, and there is no need to stop the machine midway to adjust the tightness.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An efficient and stable unwinding machine, comprising a transverse support (1) and a central roller (7) and an edge roller (8) arranged above the transverse support (1), wherein the central roller (7) and the edge roller (8) are used to unwind a cloth (18), and is characterized in that: A U-shaped crossbeam frame (2) is welded below the transverse bracket (1), a cylinder (3) is fixed at the center of the lower end face of the crossbeam frame (2), a lifting plate (4) is connected to the cylinder (3), a movable plug rod (5) is fixedly welded to the upper end face of the lifting plate (4), the movable plug rod (5) slides through the transverse bracket (1), and a storage seat (6) is welded above the movable plug rod (5), side brackets (9) are welded on both sides of the outer wall of the transverse bracket (1), a motor (10) is fixed on one of the side brackets (9), and an edge slide groove (11) is formed at the end of the two side brackets (9) away from the transverse bracket (1), and the two edge slide grooves (11) are divided into A screw rod (12) and a slide rod (13) are provided, and a pair of slide seats (14) are provided in each of the two edge slide grooves (11). The output shaft of the motor (10) is connected to the screw rod (12). The threads at both ends of the screw rod (12) are rotated in opposite directions. Both ends of the slide rod (13) are welded to the side bracket (9). Two upper edge frames (15) are symmetrically provided above the transverse bracket (1). A pair of slide seats (14) are welded to both ends of each upper edge frame (15), and the slide seat (14) at one end of the upper edge frame (15) is threadedly installed on the screw rod (12), and the slide seat (14) at the other end thereof is slidably installed on the slide rod (13). The upper end surface of the upper edge frame (15) is welded with a top seat (16).

2. The efficient and stable unwinding machine according to claim 1, characterized in that: There are two movable plug rods (5) in total and they are symmetrically arranged on the lifting plate (4), and both movable plug rods (5) are designed to be vertical.

3. The efficient and stable unwinding machine according to claim 1, characterized in that: The central roller (7) and the two edge rollers (8) are all arranged horizontally, and the two edge rollers (8) are symmetrical to the two ends of the central roller (7).

4. The efficient and stable unwinding machine according to claim 3, characterized in that: The height of the edge roller (8) is smaller than the height of the center roller (7).

5. The efficient and stable unwinding machine according to claim 1, characterized in that: The screw rod (12) and the slide rod (13) are both arranged horizontally, and both ends of the screw rod (12) are rotatably connected to the side bracket (9).

6. The efficient and stable unwinding machine according to claim 1, characterized in that: Bearings (17) are installed on both the storage seat (6) and the top seat (16); the center roller (7) is installed in the bearing (17) on the storage seat (6); and the edge roller (8) is installed in the bearing (17) on the top seat (16).