Non-woven fabric roll unwinding and replacing mechanism

Abstract

The utility model discloses a non-woven fabric roll unwinding and changing mechanism which comprises a supporting frame, cross beams are fixedly installed on the tops of the two sides of the supporting frame, a winding roller is arranged on the tops of the two cross beams in a sliding mode, and first end face fluted discs are fixedly installed at the two ends of the winding roller. One side of each first end face fluted disc is provided with a second end face fluted disc, the first end face fluted discs are meshed with the second end face fluted discs, and a driving mechanism is arranged between the two second end face fluted discs and the supporting frame; when non-woven fabric rolls are unwound and replaced, the two second end face fluted discs are driven by the driving mechanism to be far away from the meshed first end face fluted discs, so that the winding roller can freely move on the cross beam, and then a new winding roller is replaced to move to a corresponding position; and then the driving mechanism drives the two second end face fluted discs to get close to the two first end face fluted discs again to be meshed with the two first end face fluted discs, and one second end face fluted disc is rotated to drive the winding roller to rotate.

Description

TECHNICAL FIELD

[0001] The utility model relates to non - woven fabric roll technical field especially relates to a non - woven fabric roll unwinding and roll changing mechanism. BACKGROUND

[0002] As an important textile material, the development speed of non - woven fabric in China in recent years greatly exceeds the average level of textile industry, grows at the speed of 8% -10% every year, and becomes the fastest -growing industry in the textile industry. With the wide application of non - woven fabric products, such as medical masks, protective clothing, packaging materials and other fields, higher requirements are put forward for the production efficiency and quality of non - woven fabric.

[0003] In the traditional non - woven fabric production process, the unwinding and roll changing operation of the roll material often depends on manual completion, which not only has great labor intensity, but also has low efficiency. Especially on the production line of medical masks or filtering protective products, the frequent replacement of raw material non - woven fabric roll becomes one of the key factors restricting the production efficiency. Therefore, how to realize the rapid and automatic unwinding and roll changing of non - woven fabric roll becomes an important direction of technical improvement of non - woven fabric production equipment.

[0004] In order to realize the rapid replacement of non - woven fabric roll, the existing non - woven fabric roll unwinding and roll changing mechanism sets the winding roller driving the non - woven fabric roll to rotate in the state of not being connected with the device, connects the gear on both ends of the winding roller, drives the winding roller to rotate through gear transmission, directly separates the winding roller from the transmission gear when the winding roller needs to be replaced, and takes down and replaces. Since the winding roller is not directly connected with the device, but is driven through the gear, the meshing state, wear degree and lubrication condition of the gear and other factors may affect the transmission efficiency and stability. After long -term use, the gear may be worn or loose, resulting in the decrease of transmission efficiency, and even transmission failure may occur. UTILITY MODEL CONTENTS

[0005] The purpose of the application is to provide a non - woven fabric roll unwinding and roll changing mechanism to solve the above -mentioned deficiencies in the prior art.

[0006] In order to achieve the above -mentioned purpose, the utility model adopts the following technical scheme: a non - woven fabric roll unwinding and roll changing mechanism, including support frame, the both sides top of support frame is fixedly installed with crossbeam, two The winding roller is slidably arranged at the top of the two crossbeams, the both ends of the winding roller are fixedly installed with the first end face tooth disc, the side of the two first end face tooth discs is provided with the second end face tooth disc, the first end face tooth disc and the second end face tooth disc are engaged, and the second end face tooth disc is provided with the driving mechanism between the two second end face tooth discs and the support frame.

[0007] Further as a further description of the above technical solution: one side wall of one of the cross beams is fixedly provided with a mounting rack, a connecting shaft is rotatably arranged on the mounting rack, the connecting shaft is in sliding fit with one end of one of the second end face toothed discs, a first motor is fixedly arranged on the side of the mounting rack away from the connecting shaft, and the output end of the first motor is fixedly connected with the connecting shaft through the side wall of the mounting rack.

[0008] Further as a further description of the above technical solution: the driving mechanism comprises a driving plate, the driving plate is slidably arranged at the bottom of the support frame, driving grooves are formed in the two sides of the driving plate, driving frames are arranged in the two driving grooves, the two driving frames are rotatably connected with the two second end face toothed discs respectively, limiting rods are fixedly arranged at the bottoms of the two cross beams, and the two driving frames are slidably connected with the limiting rods.

[0009] Further as a further description of the above technical solution: a ball screw is rotatably arranged at the bottom of the support frame, a sliding block is slidably arranged at the bottom of the support frame, the sliding block is threadedly connected with the ball screw, a second motor is fixedly arranged at the bottom of the support frame, the output end of the second motor is fixedly connected with one end of the ball screw, and the sliding block is fixedly arranged at the bottom of the driving plate.

[0010] Further as a further description of the above technical solution: limiting blocks are slidably arranged at the tops of the two cross beams, first tension springs are fixedly arranged between the bottoms of the limiting blocks and the cross beams, connecting rods are fixedly arranged on the side walls of the bottoms of the limiting blocks, one end of each connecting rod penetrates through the side wall of the cross beam and is in sliding fit with the side wall of the cross beam, supporting rods are slidably arranged on the side walls of the cross beams, receiving grooves are formed in the supporting rods, second tension springs are fixedly arranged between the supporting rods and the cross beams, jacks are fixedly arranged on the two sides of the driving plate, and the two jacks are slidably connected with the two cross beams respectively.

[0011] Further as a further description of the above technical solution: grooves are formed in the tops of the two cross beams, sliding rings are fixedly arranged at the two ends of the winding roller, the two sliding rings are slidably arranged in the grooves, and one end of the top of each cross beam is arranged as a slope.

[0012] The non-woven fabric roll unwinding and changing mechanism has the following beneficial effects: when unwinding and changing the non-woven fabric roll through the device, the driving mechanism drives the two second end face toothed discs to move away from the first end face toothed discs in meshing, so that the winding roller can freely move on the cross beam, the winding roller is unwound, then a new winding roller is replaced and moved to the corresponding position, then the driving mechanism drives the two second end face toothed discs to move close to the two first end face toothed discs to mesh, and one of the second end face toothed discs is rotated to drive the winding roller to rotate.

[0013] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not intended to be restrictive of the disclosure.

[0014] This document provides an overview of various implementations or examples of the technology described in this disclosure and is not an extensive overview of all possible implementations or examples of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The whole structure schematic diagram of the non-woven fabric roll unwinding and roll changing mechanism is proposed for the utility model;

[0016] Figure 2 The three-dimensional structure schematic diagram of the support frame is proposed for the utility model;

[0017] Figure 3 The three-dimensional structure schematic diagram of the winding roller is proposed for the utility model;

[0018] Figure 4 The three-dimensional explosion structure schematic diagram of the cross beam is proposed for the utility model;

[0019] Figure 5 The three-dimensional structure schematic diagram of the driving plate and the driving rod is proposed for the utility model.

[0020] LEGEND:

[0021] 1, support frame; 2, cross beam; 3, winding roller; 4, first end face gear disc; 5, second end face gear disc; 6, mounting frame; 7, connecting shaft; 8, first motor; 9, driving plate; 10, driving groove; 11, driving frame; 12, limiting rod; 13, ball screw; 14, sliding block; 15, second motor; 16, limiting block; 17, first tension spring; 18, connecting rod; 19, support rod; 20, storage groove; 21, second tension spring; 22, jacking rod; 23, sliding groove; 24, sliding ring; 25, slope. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0023] REFERENCE Figures 1-5The utility model provides a kind of non-woven fabric roll unwinding and roll changing mechanism, including support frame 1, the top of both sides of the support frame 1 is fixedly installed with crossbeam 2, two the top sliding of the crossbeam 2 is provided with winding roller 3, the both ends of the winding roller 3 are fixedly installed with first end face gear disc 4, the side of two the first end face gear disc 4 is provided with second end face gear disc 5, the first end face gear disc 4 and the second end face gear disc 5 are engaged, and driving mechanism is provided between two the second end face gear disc 5 and the support frame 1;When unwinding and changing roll of non-woven fabric roll by the device, two second end face gear discs 5 are driven away from the first end face gear disc 4 engaged by driving mechanism, so that winding roller 3 can be freely moved on crossbeam 2, winding roller 3 is withdrawn, then new winding roller 3 is replaced and moved to corresponding position, then driving mechanism drives two second end face gear discs 5 again to make them engage with two first end face gear discs 4, and one of second end face gear discs 5 is rotated to drive winding roller 3 to rotate.

[0024] As a preferred technical solution of the embodiment, a mounting frame 6 is fixedly installed on the side wall of one of the crossbeams 2, a connecting shaft 7 is rotatably installed on the mounting frame 6, the connecting shaft 7 is in sliding fit with one end of one of the second end face gear discs 5, a first motor 8 is fixedly installed on the side of the mounting frame 6 away from the connecting shaft 7, and the output end of the first motor 8 is fixedly connected with the connecting shaft 7 through the side wall of the mounting frame 6. The first motor 8 provides power to drive the winding roller 3 to rotate, and the connecting shaft 7 and the second end face gear disc 5 provide a certain movement stroke for the second end face gear disc 5.

[0025] As a preferred technical solution of the embodiment, the driving mechanism includes a driving plate 9, the driving plate 9 is slidingly installed at the bottom of the support frame 1, driving grooves 10 are formed on both sides of the driving plate 9, driving frames 11 are arranged in the driving grooves 10, the driving frames 11 are rotatably connected with one end of the second end face gear discs 5, limiting rods 12 are fixedly installed at the bottom of the crossbeams 2, and the driving frames 11 are slidingly connected with the limiting rods 12. When replacing the winding roller 3, the driving plate 9 is moved to move the bottom ends of the driving frames 11 along the tracks of the driving grooves 10, and the driving frames 11 are horizontally moved under the action of the limiting rods 12 to move the second end face gear discs 5 and disengage the first end face gear discs 4.

[0026] As the preferred technical scheme of the embodiment, the bottom of the support frame 1 is rotatably provided with a ball screw 13, the bottom of the support frame 1 is slidably provided with a sliding block 14, the sliding block 14 is threadedly connected with the ball screw 13, the bottom of the support frame 1 is fixedly provided with a second motor 15, the output end of the second motor 15 is fixedly connected with one end of the ball screw 13, and the sliding block 14 is fixedly arranged at the bottom of the driving plate 9; the second motor 15 drives the ball screw 13 to rotate, and drives the sliding block 14 to move on the support frame 1, so that the driving plate 9 moves.

[0027] As the preferred technical scheme of the embodiment, the top of each of the two cross beams 2 is slidably provided with a limiting block 16, the bottom of the limiting block 16 and the cross beam 2 are fixedly provided with a first tension spring 17, the bottom of the limiting block 16 is fixedly provided with a connecting rod 18, one end of the connecting rod 18 penetrates through the side wall of the cross beam 2 and slidably matches with the side wall of the cross beam 2, the side wall of the cross beam 2 is slidably provided with a supporting rod 19, the supporting rod 19 is provided with a receiving groove 20, the cross beam 2 and the supporting rod 19 are fixedly provided with a second tension spring 21, the two sides of the driving plate 9 are fixedly provided with a top rod 22, and the two top rods 22 respectively slidably match with the two cross beams 2; when the driving plate 9 moves, the top rod 22 is in contact with one end of the supporting rod 19, the supporting rod 19 moves, the position of the receiving groove 20 on the supporting rod 19 moves to the bottom of the connecting rod 18, the whole limiting block 16 is retracted into the cross beam 2 under the action of the first tension spring 17, the winding roller 3 loses the limiting of the limiting block 16, and after the driving plate 9 resets, the supporting rod 19 resets under the action of the second tension spring 21, the connecting rod 18 is lifted, the limiting block 16 is lifted, and the new winding roller 3 is limited.

[0028] As the preferred technical scheme of the embodiment, the top of each of the two cross beams 2 is provided with a sliding groove 23, the two ends of the winding roller 3 are fixedly provided with a sliding ring 24, the two sliding rings 24 are slidably arranged in the sliding grooves 23, and one end of the top of each of the two cross beams 2 is provided as a slope 25; the winding roller 3 slides on the cross beam 2 with the assistance of the sliding groove 23 and the sliding ring 24, and the winding roller 3 that is out of the limiting can slide to one end of the cross beam 2 under the action of the gravity with the assistance of the slope 25.

[0029] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A nonwoven fabric roll changing mechanism of a roll unwinding and roll changing mechanism, comprising a support frame (1), characterized in that: Both sides of the support frame (1) are fixedly installed with cross beams (2), the top of the two cross beams (2) is slidably provided with a winding roller (3), both ends of the winding roller (3) are fixedly installed with a first end face gear disc (4), one side of the two first end face gear discs (4) is provided with a second end face gear disc (5), the first end face gear disc (4) and the second end face gear disc (5) are engaged, and the two second end face gear discs (5) and the support frame (1) are provided with a driving mechanism.

2. The roll changing mechanism according to claim 1, wherein The side wall of one of the cross beams (2) is fixedly installed with a mounting bracket (6), the mounting bracket (6) is rotatably installed with a connecting shaft (7), the connecting shaft (7) is slidably connected with one end of the second end face gear disc (5), and the side of the mounting bracket (6) away from the connecting shaft (7) is fixedly installed with a first motor (8). The output end of the first motor (8) penetrates the side wall of the mounting bracket (6) and is fixedly connected with the connecting shaft (7).

3. The roll changing mechanism according to claim 2, wherein The driving mechanism comprises a driving plate (9), the driving plate (9) is slidably installed at the bottom of the support frame (1), driving grooves (10) are formed in the two sides of the driving plate (9), driving frames (11) are arranged in the two driving grooves (10), the two driving frames (11) are rotatably connected with one end of the two second end face gear discs (5), limiting rods (12) are fixedly installed at the bottoms of the two cross beams (2), and the two driving frames (11) are slidably connected with the limiting rods (12).

4. The roll changing mechanism according to claim 3, wherein A ball screw (13) is rotatably installed at the bottom of the support frame (1), a sliding block (14) is slidably installed at the bottom of the support frame (1), the sliding block (14) is threadedly connected with the ball screw (13), a second motor (15) is fixedly installed at the bottom of the support frame (1), the output end of the second motor (15) is fixedly connected with one end of the ball screw (13), and the sliding block (14) is fixedly installed at the bottom of the driving plate (9).

5. The roll changing mechanism according to claim 4, wherein Limiting blocks (16) are slidably installed at the tops of the two cross beams (2), first tension springs (17) are fixedly installed between the bottoms of the limiting blocks (16) and the cross beams (2), connecting rods (18) are fixedly installed on the bottom side walls of the limiting blocks (16), one end of each connecting rod (18) penetrates the side wall of the cross beam (2) and slidably matches the side wall of the cross beam (2), support rods (19) are slidably installed on the side walls of the cross beams (2), receiving grooves (20) are formed in the support rods (19), second tension springs (21) are fixedly installed between the support rods (19) and the cross beams (2), jacks (22) are fixedly installed on the two sides of the driving plate (9), and the two jacks (22) are slidably matched with the two cross beams (2) respectively.

6. The roll changing mechanism according to claim 4, wherein Sliding grooves (23) are formed at the tops of the two cross beams (2), sliding rings (24) are fixedly installed at the two ends of the winding roller (3), the two sliding rings (24) are slidably arranged in the sliding grooves (23), and one end of the top of each cross beam (2) is provided with an inclined slope (25).

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