Non-woven fabric conveying and tensioning device

Abstract

The utility model discloses a non-woven fabric conveying and tensioning device which comprises a frame body, a first vertical groove is formed in the frame body, an upper support and a lower support are arranged in the first vertical groove in a sliding mode, a tensioning wheel is arranged on the upper support in a rotating mode, and the upper support and the lower support are connected through a spring. A second vertical groove is formed in the position, close to the lower support, in the support, a screw is arranged on the lower support, and at least part of the screw penetrates through the second vertical groove and is provided with a locking nut in a torsional spring mode. A limiting strip is arranged at the position, close to the upper support, in the frame body, a plurality of clamping grooves are formed in the limiting strip at intervals, and a limiting piece is rotatably arranged on the surface of the upper support so that at least part of the limiting piece can be clamped into the clamping grooves. The problems that according to a tensioning mechanism in the prior art, the elastic force of a spring is difficult to adjust according to the actual winding condition, and meanwhile, when winding is finished and a winding drum needs to be replaced, a tensioning wheel can completely reset under the action of the spring, so that cloth is inconvenient to install next time are solved.

Description

Technical Field

[0001] The utility model relates to the field of non-woven fabric processing, in particular to a non-woven fabric transmission tensioning device. Background Art

[0002] After the non-woven fabric is produced and formed, it is necessary to use a winding equipment to roll up the non-woven fabric coming off the production equipment. For example, the Chinese patent with patent number CN202010585947.9 provides a uniformly adjustable tensioning mechanism for winding cloth strips, including a base, a support plate, a support seat, a tensioning mechanism and a winding mechanism, the winding mechanism including a winding drive assembly, a winding adjustment assembly and four arc-shaped winding plates, the tensioning mechanism including a tensioning assembly and two guide wheels, the guide wheel is rotatably mounted on the side of the support plate close to the support seat, the tensioning assembly is vertically fixedly mounted on the side wall of the support plate close to the tensioning wheel, the tensioning assembly includes a tensioning wheel that can be vertically lifted and rotated, and the two guide wheels are respectively located above the two sides of the tensioning wheel; such as the tensioning mechanism in the above-mentioned prior art, which mainly relies on the spring to generate a downward pulling force on the tensioning wheel to achieve, the tensioning mechanism is difficult to adjust the spring elastic force according to the actual winding situation, and at the same time, when the winding drum needs to be replaced after the winding is completed, the tensioning wheel will be completely reset under the action of the spring, resulting in inconvenience in the next fabric installation. Utility Model Content

[0003] The purpose of the utility model is to provide a non-woven fabric transmission tensioning device, which solves the problem that the tensioning mechanism in the prior art is difficult to adjust the spring elastic force according to the actual winding situation. At the same time, when the winding is completed and the winding drum needs to be replaced, the tensioning wheel will be completely reset under the action of the spring, resulting in inconvenience in the next fabric installation.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a non-woven fabric transmission tensioning device, which includes a frame, a first vertical groove is formed on the frame, an upper support and a lower support are slidably arranged in the first vertical groove, a tensioning wheel is rotatably arranged on the upper support, and the upper support and the lower support are connected by a spring; a second vertical groove is formed in the frame near the lower support, a screw is arranged on the lower support, the screw at least partially penetrates the second vertical groove and is torsionally spring-loaded with a locking nut; a limiting strip is arranged in the frame near the upper support, a plurality of engaging grooves are formed at intervals on the limiting strip, and a limiting plate is rotatably arranged on the surface of the upper support so that the limiting plate can be at least partially engaged in the engaging groove.

[0005] Preferably, both the upper support and the lower support are I-shaped structures, so that they can be at least partially slidably engaged in the first vertical groove.

[0006] Preferably, a plurality of balls are rotatably provided on the inner wall of the first vertical groove.

[0007] Preferably, the upper support and the lower support are both provided with hanging rings, and hook structures cooperating with the hanging rings are formed at both ends of the spring.

[0008] Preferably, guide wheels are respectively arranged on both sides of the tensioning wheel, and the guide wheels are rotatably arranged on the frame.

[0009] Preferably, a motor is disposed on the frame, a driving shaft is connected to the output shaft of the motor, and a winding drum is sleeved on the driving shaft.

[0010] Beneficial effect: The utility model provides a non-woven fabric transmission tensioning device, which includes a frame, a first vertical slot is formed on the frame, an upper support and a lower support are slidably arranged in the first vertical slot, a tensioning wheel is rotatably arranged on the upper support, and the upper support and the lower support are connected by a spring; a second vertical slot is formed in the frame near the lower support, a screw is arranged on the lower support, the screw at least partially passes through the second vertical slot and is torsionally spring-loaded with a locking nut; a limit strip is arranged in the frame near the upper support, and the limit strip A plurality of engaging grooves are formed at intervals on the strip, and a limiting plate is rotatably provided on the surface of the upper support so that the limiting plate can be at least partially engaged in the engaging groove; during operation, the tensioning wheel can generate a downward pulling force on the non-woven fabric (at this time, the spring is deformed and generates pulling force), and the tension of the spring can be adjusted according to the situation by adjusting the height of the lower support, so that the non-woven fabric can be properly tensioned during transmission. After the winding is completed, the limiting plate is rotated so that it is partially engaged in the engaging groove of the limiting strip. At this time, the upper support is limited to prevent it from being completely reset after losing the non-woven fabric, which is convenient for the subsequent threading of the non-woven fabric.

[0011] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0013] Figure 1 This is a front structural diagram of the non-woven fabric transmission tensioning device provided by the utility model;

[0014] Figure 2 This is a back structural diagram of the non-woven fabric transmission tensioning device provided by the utility model;

[0015] Figure 3 yes Figure 2 Enlarged view of part A.

[0016] Description of Reference Numerals

[0017] 1-frame; 2-motor; 3-drive shaft; 4-winding drum; 5-guide wheel; 6-first vertical slot; 7-tensioning wheel; 8-lower support; 9-limiting strip; 10-limiting plate; 11-second vertical slot; 12-screw; 13-spring; 14-upper support. DETAILED DESCRIPTION

[0018] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0019] like Figure 1-3 As shown: the utility model provides a non-woven fabric transmission tensioning device, which includes a frame 1, a first vertical groove 6 is formed on the frame 1, an upper support 14 and a lower support 8 are slidably arranged in the first vertical groove 6, a tensioning wheel 7 is rotatably arranged on the upper support 14, and the upper support 14 and the lower support 8 are connected by a spring 13; a second vertical groove 11 is formed in the frame 1 near the lower support 8, a screw 12 is arranged on the lower support 8, the screw 12 at least partially penetrates the second vertical groove 11 and is torsionally spring-loaded with a locking nut; a limiting strip 9 is arranged in the frame 1 near the upper support 14, a plurality of engaging grooves are formed at intervals on the limiting strip 9, and a limiting plate 10 is rotatably arranged on the surface of the upper support 14, so that the limiting plate 10 can be at least partially engaged in the engaging groove. During operation, the tensioning wheel can generate downward pulling force on the non-woven fabric (at this time, the spring is deformed and generates pulling force). By adjusting the height of the lower support, the tension of the spring can be adjusted according to the situation, so that the non-woven fabric can be properly tensioned during transmission. When the winding is completed, the limiting plate is rotated so that it is partially engaged in the engaging groove of the limiting strip. At this time, the upper support is limited to prevent it from completely resetting after losing the non-woven fabric, which is convenient for the subsequent threading of the non-woven fabric.

[0020] In a preferred embodiment of the present invention, in order to enable the upper and lower supports to be effectively engaged in the first vertical groove and limit their up and down displacement, the upper support 14 and the lower support 8 are both I-shaped structures so that they can at least partially be slidably engaged in the first vertical groove 6.

[0021] In a preferred embodiment of the present invention, in order to reduce the friction force of the upper and lower supports sliding in the first vertical groove, a plurality of balls are rotatably provided on the inner wall of the first vertical groove 6 .

[0022] In a preferred embodiment of the present invention, in order to facilitate the installation and replacement of the spring, the upper support 14 and the lower support 8 are both provided with hanging rings, and hook structures cooperating with the hanging rings are formed at both ends of the spring 13.

[0023] In a preferred embodiment of the present invention, in order to guide and support the non-woven fabric on both sides of the tensioning wheel and facilitate better winding of the non-woven fabric, guide wheels 5 are respectively provided on both sides of the tensioning wheel 7, and the guide wheels 5 are rotatably arranged on the frame 1.

[0024] In a preferred embodiment of the utility model, the frame 1 is provided with a motor 2, the output shaft of the motor 2 is connected to a drive shaft 3, and the drive shaft 3 is sleeved with a winding drum 4. The motor and the drive shaft drive the winding drum thereon to rotate, thereby winding up the nonwoven fabric from the production equipment.

[0025] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0026] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0027] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A nonwoven fabric transmission tensioning device, characterized in that: The nonwoven fabric transmission tensioning device comprises a frame (1), a first vertical groove (6) is formed on the frame (1), an upper support (14) and a lower support (8) are slidably arranged in the first vertical groove (6), a tensioning wheel (7) is rotatably arranged on the upper support (14), and the upper support (14) and the lower support (8) are connected by a spring (13); a second vertical groove (11) is formed in the frame (1) near the lower support (8) ), a screw rod (12) is arranged on the lower support (8), the screw rod (12) at least partially penetrates the second vertical groove (11) and the torsion spring has a locking nut; a limit strip (9) is arranged in the frame body (1) near the upper support (14), a plurality of engaging grooves are formed at intervals on the limit strip (9), and a limit plate (10) is rotatably arranged on the surface of the upper support (14), so that the limit plate (10) can be at least partially engaged in the engaging groove.

2. The nonwoven fabric transmission tensioning device according to claim 1, characterized in that: The upper support (14) and the lower support (8) are both I-shaped structures, so that they can be at least partially slidably engaged in the first vertical groove (6).

3. The nonwoven fabric transmission tensioning device according to claim 2, characterized in that: A plurality of balls are rotatably arranged on the inner wall of the first vertical groove (6).

4. The nonwoven fabric transmission tensioning device according to claim 3, characterized in that: The upper support (14) and the lower support (8) are both provided with hanging rings, and hook structures cooperating with the hanging rings are formed at both ends of the spring (13).

5. The nonwoven fabric transmission tensioning device according to claim 4, characterized in that: Guide wheels (5) are respectively arranged on both sides of the tension wheel (7), and the guide wheels (5) are rotatably arranged on the frame (1).

6. The nonwoven fabric transmission tensioning device according to claim 5, characterized in that: The frame (1) is provided with a motor (2), the output shaft of the motor (2) is connected to a drive shaft (3), and the drive shaft (3) is sleeved with a winding drum (4).

Images