Stretching device for spunlace non-woven fabric production

Abstract

The utility model relates to the technical field of spunlace non-woven fabric stretching, and discloses a stretching device for spunlace non-woven fabric production. The stretching device for spunlace non-woven fabric production comprises a bottom plate, a supporting column is fixedly installed above the bottom plate, a connecting bearing is installed in the supporting column in an embedded mode, a rubber roller is installed in the connecting bearing in a penetrating and inserting mode, and a limiting block is fixedly installed above the bottom plate; a driving motor is installed at the upper end of a limiting block in a penetrating mode, a limiting roller below a downward pressing piston is located between connecting columns, the downward pressing piston extends to drive the lower limiting roller to downwards press the spunlace non-woven fabric, the spunlace non-woven fabric is stretched, and during downward pressing, the limiting roller in the connecting block above a movable column can transmit force to a limiting spring; when the spunlace non-woven fabric is stressed excessively, the limiting springs can contract, so that the heights of the two sides of the spunlace non-woven fabric are reduced, the pressure received by the middle of the spunlace non-woven fabric is reduced, and the spunlace non-woven fabric is prevented from being broken due to the excessively large pressure.

Description

Technical Field

[0001] The utility model relates to the technical field of spunlace nonwoven fabric stretching, in particular to a stretching device for producing spunlace nonwoven fabric. Background Art

[0002] Spunlace nonwoven fabric is made by spraying high-pressure fine water flow onto one or more layers of fiber web, causing the fibers to entangle with each other, thereby reinforcing the fiber web and giving it a certain strength. The resulting fabric is spunlace nonwoven fabric. The stretching unit used in the production of spunlace nonwoven fabric is required to stretch and shape the spunlace nonwoven fabric.

[0003] The existing referenceable Chinese utility model patent has a publication number of CN216304199U, which discloses a stretching device for spunlace non-woven fabric production, belonging to the technical field of spunlace non-woven fabric production equipment, comprising a shell, in which a first stretching device and a second stretching device are sequentially arranged, and side panels are respectively provided on both sides of the shell, the front sides of the two side panels are slidably connected to a sliding plate, and the rear sides of the two side panels are fixedly connected to a fixed plate, the first stretching device is arranged on the sliding plate, and the second stretching device is arranged on the fixed plate, the first stretching device and the second stretching device have the same structure and are symmetrically arranged. In the face of different material thicknesses and different stretching requirements, the utility model does not need to replace rollers of different diameters or re-drill and then adjust the position of the rollers to change the adjustability of the stretching, and the roller angle is highly flexible and adjustable.

[0004] The existing stretching device has no buffer structure, and the spunlace non-woven fabric may break due to excessive tension during the stretching process. At the same time, the winding roller of the existing stretching device cannot be quickly removed after stretching is completed, and the connection between the winding roller and the winding motor needs to be canceled before removal. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the shortcomings of the existing technology, the utility model provides a stretching device for the production of spunlace non-woven fabrics, which has the advantages of avoiding the breakage of the spunlace non-woven fabrics and being able to quickly remove the rolled non-woven fabrics, thereby solving the above-mentioned technical problems.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solution: A stretching device for producing spunlace non-woven fabrics, comprising: a bottom plate, a support column fixedly installed above the bottom plate, a connecting bearing embedded in the support column, a rubber roller inserted into the connecting bearing, a limit block fixedly installed above the bottom plate, a driving motor inserted into the upper end of the limit block, a support rod fixedly installed above the limit block, a limit bearing embedded in the upper end of the support rod, a winding roller inserted into the inner part of the limit bearing, a receiving column fixedly installed above the bottom plate, a top plate fixedly installed on the upper end of the receiving column, a pressing piston fixedly installed below the top plate, a connecting block fixedly installed on the lower end of the pressing piston, a limit roller inserted into the inner part of the connecting block, a connecting column fixedly installed below the top plate, a limit column fixedly installed above the connecting column, a movable column movably installed inside the limit column, and a limit spring inserted into the outer side of the limit column; the connecting bearing can facilitate the rotation of the rubber roller.

[0009] As the preferred technical solution of the present invention, the support column is installed on the left and right sides of the rear end of the base plate in a mirror-symmetrical manner with the center of the base plate as the reference, and the rubber roller is rotationally connected to the support column through a connecting bearing; the support column can limit the position of the rubber roller.

[0010] As an optimal technical solution of the present invention, the limit block is installed on the left and right sides of the front end of the base plate in a mirror-symmetrical manner with the center of the base plate as the reference. The upper end of the support rod is provided with a groove structure that engages with the limit bearing, and the upper end of the support rod does not contact the winding roller; the limit block can limit the position of the drive motor.

[0011] As an optimal technical solution of the present invention, rectangular recessed structures are provided on the left and right sides of the winding roller, a protrusion that engages with the recessed structure of the winding roller is provided at the end of the rotating shaft of the driving motor, and the winding roller is rotationally connected to the support rod through a limit bearing; the winding roller can facilitate the winding of the stretched spunlace non-woven fabric.

[0012] As the preferred technical solution of the present invention, the pressing piston is installed symmetrically at the front end of the bottom surface of the top plate with the center of the top plate as the reference, and the limiting roller is rotatably connected to the connecting block through the connecting bearing; the pressing piston can adjust the position of the connecting block.

[0013] As an optimal technical solution of the present invention, the connecting column is symmetrically installed on the rear end of the bottom surface of the top plate and the left and right ends on the front and rear sides of the top of the bottom plate with the center of the bottom plate as the reference. The lower end of the movable column below the top plate is installed with a rubber roller through a connecting block, and the top end of the movable column above the bottom plate is installed with a limiting roller through a connecting block; the limiting roller can apply downward force to the spunlace non-woven fabric to stretch the spunlace non-woven fabric.

[0014] As an optimal technical solution of the present invention, the movable column is a tubular structure, and a sliding connection is formed between the movable column and the connecting column. The bottom end of the movable column is provided with a protrusion structure that is engaged with the limit column, and a sliding connection is formed between the movable column and the limit column. The top end of the limit spring is fixedly connected to the connecting block at the upper end of the movable column, and the bottom end of the limit spring is fixedly connected to the annular protrusion at the lower end of the connecting column; the limit spring can absorb part of the pressure exerted on the spunlace non-woven fabric by shrinking.

[0015] Compared with the prior art, the present invention provides a stretching device for producing spunlace nonwoven fabrics, which has the following beneficial effects:

[0016] The lifting mechanism is a kind of key which is set up in the swinging chair, and the lifting mechanism is a kind of key which makes the lifting mechanism of the lifting wheel as the base, and the extension socket is made into the support frame, and the support frame is provided with a new type of support frame.

[0017] 2. The utility model sets a limit spring, and the top end of the limit spring is fixedly connected to the connecting block at the upper end of the movable column, and the bottom end of the limit spring is fixedly connected to the annular protrusion at the lower end of the connecting column. The connecting column is symmetrically installed at the left and right ends of the front and rear sides of the top of the bottom plate with the center of the bottom plate as the reference. The limit roller below the pressing piston is located between the connecting columns. When the pressing piston extends, it drives the lower limit roller to press down the spunlace non-woven fabric to stretch the spunlace non-woven fabric. When pressing down, the limit roller inside the connecting block above the movable column can transmit the force to the limit spring. When the spunlace non-woven fabric is subjected to too much force, the limit spring will contract, so that the height of both sides of the spunlace non-woven fabric is reduced to reduce the pressure received by the middle part of the spunlace non-woven fabric, so as to avoid the spunlace non-woven fabric from breaking due to excessive pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the connection structure between the bottom plate and the top plate of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the winding roller and the drive motor of the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the limit spring and the top plate of the utility model;

[0022] Among them: 1. Bottom plate; 11. Support column; 12. Connecting bearing; 13. Rubber roller; 14. Limit block; 15. Drive motor; 16. Support rod; 17. Limit bearing; 18. Winding roller; 2. Support column; 21. Top plate; 22. Pressing piston; 23. Connecting block; 24. Limit roller; 25. Connecting column; 26. Limit column; 27. Movable column; 28. Limit spring. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] See also Figure 1 - Figure 4In this embodiment, a stretching device for producing spunlace nonwoven fabrics includes: a base plate 1, a support column 11 is fixedly installed above the base plate 1, a connecting bearing 12 is embedded in the support column 11, a rubber roller 13 is inserted into the connecting bearing 12, a limiting block 14 is fixedly installed above the base plate 1, a driving motor 15 is inserted into the upper end of the limiting block 14, a support rod 16 is fixedly installed above the limiting block 14, a limiting bearing 17 is embedded in the upper end of the support rod 16, and a winding roller 18 is inserted into the inner part of the limiting bearing 17.

[0027] The support column 11 is installed on the left and right sides of the rear end of the base plate 1 in a mirror-symmetrical manner with the center of the base plate 1 as the reference, and the rubber roller 13 is rotatably connected to the support column 11 through the connecting bearing 12.

[0028] The limit blocks 14 are installed on the left and right sides of the front end of the base plate 1 in a mirror-symmetrical manner with the center of the base plate 1 as the reference. The upper end of the support rod 16 is provided with a groove structure that engages with the limit bearing 17, and the upper end of the support rod 16 does not contact the winding roller 18.

[0029] Rectangular recessed structures are provided on the left and right sides of the winding roller 18 , and a protrusion that engages with the recessed structure of the winding roller 18 is provided at the end of the rotating shaft of the driving motor 15 . The winding roller 18 is rotationally connected to the support rod 16 through a limit bearing 17 .

[0030] Specifically, the base plate 1 can support the support column 11, the support column 11 can limit the position of the rubber roller 13, the connecting bearing 12 can facilitate the rotation of the rubber roller 13, the rubber roller 13 can prevent the non-woven fabric from sliding, the limit block 14 can limit the position of the drive motor 15, the drive motor 15 can drive the winding roller 18 to rotate, the support rod 16 can limit the position of the limit bearing 17, the limit bearing 17 can facilitate the rotation of the winding roller 18, and the winding roller 18 can facilitate the winding of the stretched spunlace non-woven fabric.

[0031] A supporting column 2 is fixedly installed above the bottom plate 1, a top plate 21 is fixedly installed on the upper end of the supporting column 2, a downward pressing piston 22 is fixedly installed below the top plate 21, a connecting block 23 is fixedly installed on the lower end of the downward pressing piston 22, a limiting roller 24 is inserted into the interior of the connecting block 23, a connecting column 25 is fixedly installed below the top plate 21, a limiting column 26 is fixedly installed above the connecting column 25, a movable column 27 is movably installed inside the limiting column 26, and a limiting spring 28 is inserted into the outer side of the limiting column 26.

[0032] The pressing piston 22 is installed at the front end of the bottom surface of the top plate 21 symmetrically with respect to the center of the top plate 21 , and the limiting roller 24 is rotatably connected to the connecting block 23 via the connecting bearing 12 .

[0033] The connecting column 25 is symmetrically installed at the rear end of the bottom surface of the top plate 21 and the left and right ends on the front and rear sides of the top of the bottom plate 1 with the center of the bottom plate 1 as the reference. The lower end of the movable column 27 below the top plate 21 is installed with a rubber roller 13 through the connecting block 23, and the top end of the movable column 27 above the bottom plate 1 is installed with a limiting roller 24 through the connecting block 23.

[0034] The movable column 27 is a tubular structure, and a sliding connection is formed between the movable column 27 and the connecting column 25. The bottom end of the movable column 27 is provided with a protrusion structure that is engaged with the limiting column 26, and a sliding connection is formed between the movable column 27 and the limiting column 26. The top end of the limiting spring 28 is fixedly connected to the connecting block 23 at the upper end of the movable column 27, and the bottom end of the limiting spring 28 is fixedly connected to the annular protrusion at the lower end of the connecting column 25.

[0035] Specifically, the supporting column 2 can support the top plate 21, the top plate 21 can limit the position of the upper end of the pressing piston 22, the pressing piston 22 can adjust the position of the connecting block 23, the connecting block 23 can limit the position of the limiting roller 24, the limiting roller 24 can apply a downward force to the spunlace non-woven fabric to stretch the spunlace non-woven fabric, the connecting column 25 can limit the movement direction of the movable column 27, the limiting column 26 can limit the position of the movable column 27, the movable column 27 can connect the upper limiting roller 24 inside the block 23 to change with the pressure, and the limiting spring 28 can absorb part of the pressure on the spunlace non-woven fabric by shrinking.

[0036] The upper end of the support rod 16 is provided with a groove structure that is engaged with the limit bearing 17. The limit bearing 17 is symmetrically installed at the left and right ends of the winding roller 18 with the center of the winding roller 18 as the reference. When the winding roller 18 is placed above the support rod 16, the limit bearing 17 is embedded in the groove structure at the top end of the support rod 16, and the upper end of the support rod 16 does not contact the winding roller 18. The winding roller 18 is rotatably connected to the support rod 16 through the limit bearing 17. At the same time, a rectangular recessed structure is provided on the left and right sides of the winding roller 18, and a protrusion is provided at the end of the rotating shaft of the driving motor 15 to engage with the recessed structure of the winding roller 18. In this way, the winding roller 18 and the rotating shaft of the driving motor 15 are connected by an interlocking manner, so that the driving motor 15 can drive the winding roller 18 to rotate. At the same time, after the winding roller 18 completes winding, it can be moved from the driving motor 15 to the winding roller 18 by sliding. The top of the rotating shaft of the driving motor 15 slides out to facilitate the removal of the rolled spunlace non-woven fabric. The top of the limit spring 28 is fixedly connected to the connecting block 23 at the upper end of the movable column 27, and the bottom end of the limit spring 28 is fixedly connected to the annular protrusion at the lower end of the connecting column 25. The connecting column 25 is symmetrically installed at the left and right ends of the front and rear sides of the top of the bottom plate 1 with the center of the bottom plate 1 as the reference. The limit roller 24 below the pressing piston 22 is located between the connecting columns 25. When the pressing piston 22 extends, it drives the lower limit roller 24 to press the spunlace non-woven fabric downward to stretch the spunlace non-woven fabric. When pressing down, the limit roller 24 inside the connecting block 23 above the movable column 27 can transmit the force to the limit spring 28. When the spunlace non-woven fabric is subjected to too much force, the limit spring 28 will contract, thereby reducing the height of the two sides of the spunlace non-woven fabric to reduce the pressure received by the middle of the spunlace non-woven fabric to avoid the spunlace non-woven fabric from breaking due to excessive pressure.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stretching device for producing spunlace nonwoven fabrics, characterized in that: include: A bottom plate (1), a support column (11) is fixedly installed above the bottom plate (1), a connecting bearing (12) is embedded in the interior of the support column (11), a rubber roller (13) is inserted and installed inside the connecting bearing (12), a limit block (14) is fixedly installed above the bottom plate (1), a driving motor (15) is inserted and installed at the upper end of the limit block (14), a support rod (16) is fixedly installed above the limit block (14), a limit bearing (17) is embedded and installed at the upper end of the support rod (16), a winding roller (18) is inserted and installed inside the limit bearing (17), the bottom plate (1) A receiving column (2) is fixedly installed above the receiving column (2), a top plate (21) is fixedly installed on the upper end of the receiving column (2), a pressing piston (22) is fixedly installed below the top plate (21), a connecting block (23) is fixedly installed on the lower end of the pressing piston (22), a limiting roller (24) is inserted into the interior of the connecting block (23), a connecting column (25) is fixedly installed below the top plate (21), a limiting column (26) is fixedly installed above the connecting column (25), a movable column (27) is movably installed inside the limiting column (26), and a limiting spring (28) is inserted into the outer side of the limiting column (26).

2. A stretching device for producing spunlace nonwoven fabrics according to claim 1, characterized in that: The support column (11) is mounted on the left and right sides of the rear end of the base plate (1) in a mirror-symmetrical manner with the center of the base plate (1) as a reference, and the rubber roller (13) is connected to the support column (11) in a rotational manner via the connecting bearing (12).

3. The stretching device for producing spunlace nonwoven fabrics according to claim 1, characterized in that: The limit blocks (14) are mounted on the left and right sides of the front end of the base plate (1) in a mirror-symmetrical manner with the center of the base plate (1) as a reference. The upper end of the support rod (16) is provided with a groove structure that engages with the limit bearing (17). The upper end of the support rod (16) does not contact the winding roller (18).

4. The stretching device for producing spunlace nonwoven fabrics according to claim 1, characterized in that: The left and right sides of the winding roller (18) are provided with rectangular recessed structures, the end of the rotating shaft of the driving motor (15) is provided with a protrusion that engages with the recessed structure of the winding roller (18), and the winding roller (18) is rotatably connected to the support rod (16) through a limit bearing (17).

5. The stretching device for producing spunlace nonwoven fabrics according to claim 1, characterized in that: The pressing piston (22) is symmetrically mounted on the front end of the bottom surface of the top plate (21) with the center of the top plate (21) as a reference, and the limiting roller (24) is rotatably connected to the connecting block (23) via the connecting bearing (12).

6. The stretching device for producing spunlace nonwoven fabrics according to claim 1, characterized in that: The connecting column (25) is symmetrically installed on the rear end of the bottom surface of the top plate (21) and the left and right ends of the front and rear sides of the top of the bottom plate (1) with the center of the bottom plate (1) as the reference. The lower end of the movable column (27) below the top plate (21) is installed with a rubber roller (13) through a connecting block (23), and the top end of the movable column (27) above the bottom plate (1) is installed with a limiting roller (24) through a connecting block (23).

7. The stretching device for producing spunlace nonwoven fabrics according to claim 1, characterized in that: The movable column (27) is a tubular structure, and a sliding connection is formed between the movable column (27) and the connecting column (25). The bottom end of the movable column (27) is provided with a protrusion structure that is engaged with the limiting column (26), and a sliding connection is formed between the movable column (27) and the limiting column (26). The top end of the limiting spring (28) is fixedly connected to the connecting block (23) at the upper end of the movable column (27), and the bottom end of the limiting spring (28) is fixedly connected to the annular protrusion at the lower end of the connecting column (25).

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