Multi-layer unwinding device combined with servo motor and magnetic powder brake

Abstract

The utility model provides a servo motor and magnetic powder brake combined multilayer unwinding device which comprises a collecting and unwinding frame, a first unwinding frame and a second unwinding frame which are sequentially arranged, the first unwinding frame and the second unwinding frame are consistent in structure and each comprise a supporting rod, the middle and the upper portion of each supporting rod are horizontally and fixedly connected with a transverse rod, and the transverse rods are connected with a servo motor and a magnetic powder brake. An unwinding roller is arranged at the end of the transverse rod, a first servo motor is arranged at the end of the transverse rod on the first unwinding frame, the output end of the first servo motor is fixedly connected with the adjacent unwinding roller, a magnetic powder brake is arranged at the end of the transverse rod on the second unwinding frame, and the magnetic powder brake is matched with the adjacent unwinding roller. The collecting and unwinding frame comprises a frame body, a pair of clamping rollers is arranged on the upper portion of the frame body, and a second servo motor is arranged at one end of the clamping roller located on the lower portion. According to the invention, at most eight layers of coiled materials can be released.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of unwinding device, especially to a multi-layer unwinding device using servo motor and magnetic powder brake. BACKGROUND

[0002] In the production process of fabric, unwinding device is an important equipment, which is used to unwind the wound fabric and deliver it to the subsequent processing procedure. There are many different unwinding devices and methods to choose from. The relatively common unwinding device is the traditional unwinding frame, which is composed of a winding drum with adjustable tension and a support frame. The wound fabric is controlled by the tension adjusting device to control the unwinding speed and tension, and then it is unwound on the support frame. This device is suitable for general fabric unwinding needs.

[0003] Most of the existing unwinding devices release single-layer materials, but there is a lack of unwinding devices for multi-layer materials. SUMMARY

[0004] To solve the above problems, the present application discloses a multi-layer unwinding device using servo motor and magnetic powder brake, which comprises a collection and unwinding frame, a first unwinding frame and a second unwinding frame arranged in sequence. The collection and unwinding frame releases the wound materials on the first unwinding frame and the second unwinding frame.

[0005] The first unwinding frame and the second unwinding frame have consistent structures, both of which include a support rod, the middle and upper parts of the support rod are horizontally fixedly connected with a crossbar, and the end of the crossbar is provided with an unwinding roller. Eight unwinding rollers are provided on the first unwinding frame and the second unwinding frame, i.e. at most eight layers of wound materials are released by the device.

[0006] The end of the crossbar on the first unwinding frame is provided with a first servo motor, and the output end of the first servo motor is fixedly connected with the adjacent unwinding roller. The end of the crossbar on the second unwinding frame is provided with a magnetic powder brake, and the magnetic powder brake cooperates with the adjacent unwinding roller. The first servo motor and the magnetic powder brake both drive the wound materials to rotate and release.

[0007] The collection and unwinding frame includes a frame body, a pair of clamping rollers are arranged on the upper part of the frame body, and a second servo motor is arranged at one end of the lower clamping roller. The clamping rollers clamp the wound materials and deliver them away.

[0008] Preferably, a plurality of first guide rollers are arranged on one side of the frame body.

[0009] Preferably, air cylinders are arranged on both sides of the upper end of the frame body, and the upper clamping roller rotates and cooperates with the output end of the air cylinder. The air cylinder acts to control the distance between the two clamping rollers, i.e. to control the clamping force of the wound materials.

[0010] Preferably, a plurality of second guide rollers are arranged on the middle part of the support rod of the first unwinding frame.

[0011] Preferably, the middle of the support rod on the second unwinding frame is provided with several tensioning rollers, the tensioning roller comprises two mounting plates, a roller body is arranged side by side between the two mounting plates, a rotating shaft is fixedly connected to the middle of one side of the mounting plate, and a coil spring is sleeved on the rotating shaft. The coil material passes between the two roller bodies, and under the action of the coil spring, the tensioning roller is deflected, and the tensioning adjustment of the coil material is realized.

[0012] The beneficial effects of the present application are as follows: the first unwinding frame and the second unwinding frame are provided, eight coil materials can be unwound at the same time, the coil materials are overlapped by the collection and unwinding, and the first servo motor, the magnetic powder brake, the tensioning roller and other components on the coil materials ensure the quality of the unwinding of the coil materials. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole schematic view of the present application;

[0014] Figure 2 It is a tensioning roller structure schematic view of the present application.

[0015] LIST OF REFERENCE NUMERALS:

[0016] 1, collection and unwinding frame; 2, first unwinding frame; 3, second unwinding frame;

[0017] 11, frame body; 12, first guide roller; 13, air cylinder; 14, clamping roller; 21, second guide roller; 22, support rod; 23, cross rod; 31, magnetic powder brake; 32, tensioning roller;

[0018] 321, coil spring; 322, rotating shaft; 323, mounting plate; 324, roller body. DETAILED DESCRIPTION

[0019] The present application will be further illustrated below in combination with the drawings and specific embodiments, and it should be understood that the following specific embodiments are only used to illustrate the present application and are not used to limit the scope of the present application. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a specific component.

[0020] As shown in Figure 1 and Figure 2 The multi-layer unwinding device combined with the servo motor and the magnetic powder brake comprises a collection and unwinding frame 1, a first unwinding frame 2 and a second unwinding frame 3 arranged in sequence. The first unwinding frame 2 and the second unwinding frame 3 store coil materials, and the collection and unwinding frame 1 arranges the coil materials into multiple layers and releases them.

[0021] The first unwinding frame 2 and the second unwinding frame 3 are identical in structure, and each comprises a supporting rod 22, the middle and upper portions of the supporting rod 22 are fixedly connected with a cross rod 23, the end portion of the cross rod 23 is provided with an unwinding roller, and the unwinding roller temporarily stores the coiled material.

[0022] The end portion of the cross rod 23 on the first unwinding frame 2 is provided with a first servo motor, the output end of the first servo motor is fixedly connected with the adjacent unwinding roller, the end portion of the cross rod 23 on the second unwinding frame 3 is provided with a magnetic powder brake 31, and the magnetic powder brake 31 cooperates with the adjacent unwinding roller, and the first servo motor and the magnetic powder brake 31 are used for driving the coiled material to rotate and release.

[0023] The collection unwinding frame 1 comprises a frame body 11, the upper portion of the frame body 11 is provided with a pair of clamping rollers 14, the coiled material passes between the two clamping rollers 14, and the end portion of the lower clamping roller 14 is provided with a second servo motor, the second servo motor is started to drive the clamping roller 14 to rotate, so that the coiled material is rotated.

[0024] The side of the frame body 11 is provided with a plurality of first guide rollers 12.

[0025] The upper end of the frame body 11 is provided with a pneumatic cylinder 13 on both sides, and the upper clamping roller 14 is rotationally fitted on the output end of the pneumatic cylinder 13. The pneumatic cylinder 13 is started to adjust the distance between the two clamping rollers 14 and control the clamping force.

[0026] The middle portion of the supporting rod 22 on the first unwinding frame 2 is provided with a plurality of second guide rollers 21.

[0027] The middle portion of the supporting rod 22 on the second unwinding frame 3 is provided with a plurality of tensioning rollers 32, the tensioning roller 32 comprises two mounting plates 323, the two mounting plates 323 are provided with a roller body 324 in parallel, the middle portion of the side of the mounting plate 323 is fixedly connected with a rotating shaft 322, the rotating shaft 322 is sleeved with a coiled spring 321, the two roller bodies 324 are integrally deflected and rotated, so that the coiled spring 321 absorbs or releases elastic potential energy, thereby realizing the tension adjustment of the coiled material.

[0028] The technical means disclosed in the scheme of the application is not limited to the technical means disclosed in the above-mentioned embodiments, and also includes the technical scheme composed of any combination of the above technical features.

Claims

1. A multi-layer unwinding device for a servo motor and a magnetic powder brake, characterized by, It comprises a convergence pay-off frame (1), a first pay-off frame (2) and a second pay-off frame (3) arranged in sequence; The first pay-off frame (2) and the second pay-off frame (3) are identical in structure, and each comprises a support rod (22), the middle and upper portions of the support rod (22) are fixedly connected with a cross bar (23), and the end of the cross bar (23) is provided with a pay-off roller; The end of the cross bar (23) of the first pay-off frame (2) is provided with a first servo motor, and the output end of the first servo motor is fixedly connected with an adjacent pay-off roller, the end of the cross bar (23) of the second pay-off frame (3) is provided with a magnetic powder brake (31), and the magnetic powder brake (31) cooperates with an adjacent pay-off roller; The convergence pay-off frame (1) comprises a frame body (11), the upper portion of the frame body (11) is provided with a pair of clamping rollers (14), and the end of the lower clamping roller (14) is provided with a second servo motor.

2. The multi-layer unwinding device of claim 1, wherein: The side of the frame body (11) is provided with a plurality of first guide rollers (12).

3. The multi-layer unwinding device of claim 1, wherein: The upper end of the frame body (11) is provided with a gas cylinder (13) on both sides, and the upper clamping roller (14) is rotatably connected to the output end of the gas cylinder (13).

4. The multi-layer unwinding device of claim 1, wherein: The middle portion of the support rod (22) of the first pay-off frame (2) is provided with a plurality of second guide rollers (21).

5. The multi-layer unwinding device of claim 1, wherein: The middle portion of the support rod (22) of the second pay-off frame (3) is provided with a plurality of tensioning rollers (32), the tensioning roller (32) comprises two mounting plates (323), a roller body (324) is arranged between the two mounting plates (323) in parallel, a rotating shaft (322) is fixedly connected to the middle portion of one side of the mounting plate (323), and a coil spring (321) is sleeved on the rotating shaft (322).

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