Non-woven fabric folding device

Abstract

The utility model relates to a folding device for cloth, in particular to a folding device for non-woven fabric. The non-woven fabric folding device comprises a rack, an unwinding roller, a fabric folding assembly, a winding roller and a connecting assembly, the unwinding roller, the fabric folding assembly and the winding roller are installed on the rack, the connecting assembly is used for connecting the unwinding roller and the fabric folding assembly, and the fabric folding assembly comprises a fabric guide frame and a fabric folding roller set; the cloth guide frame is in the shape of a symmetrical triangle, and the top point of the cloth guide frame is inclined downwards, so that a folding part is formed at the top point; and the cloth folding roller group is arranged below the folding part. According to the folding device disclosed by the utility model, the non-woven fabric is naturally folded by using the fabric guide frame in the non-woven fabric unwinding process; the folded non-woven fabric is fixed by the cloth folding roller set, the folded non-woven fabric is conveyed by the cloth clamping roller set, and finally the folded non-woven fabric is wound by the winding roller, so that the folding of the non-woven fabric is realized.

Description

Technical Field

[0001] This utility model relates to a folding device for fabric, especially a folding device for non-woven fabric. Background Technology

[0002] In agriculture, nonwoven fabrics can be used as protective cloths for crops, seedling raising cloths, irrigation cloths, and heat insulation curtains. In industry, nonwoven fabrics can be used as filter materials, covering cloths, and fiber layers for waterproof rolls. Currently, most nonwoven fabric rolls on the market are 1.5 meters or wider. In specific application scenarios, narrower nonwoven fabric rolls are often required. Therefore, it is often necessary to fold or cut wide nonwoven fabrics. However, consumers typically use nonwoven fabrics by folding and cutting simultaneously. For example, when using nonwoven fabric to cover the ground in the field, the wide nonwoven fabric is first laid flat on the prepared plot, and then folded in half; however, because the plot is long, multiple people are often needed to work together, and even so, it is easy for the folds to not be aligned perfectly. Furthermore, directly reducing the width of the fabric would not only require modifying existing equipment but also significantly reduce production efficiency. Therefore, a better solution is to provide a nonwoven fabric folding device to fold and roll up standard-width nonwoven fabrics. Utility Model Content

[0003] This invention aims to solve the above-mentioned problems by providing a folding device for nonwoven fabrics.

[0004] The technical solution of this utility model to solve the above problems is as follows:

[0005] A nonwoven fabric folding device includes a frame, an unwinding roller mounted on the frame, a folding assembly, a take-up roller, and a connecting assembly for connecting the unwinding roller and the folding assembly. The folding assembly includes a guide frame and a folding roller group. The guide frame is symmetrically triangular in shape and is inclined downwards at the apex, thereby forming a fold at the apex. The folding roller group is disposed below the fold.

[0006] As a preferred embodiment of the above technical solution, one end of the folding roller assembly is close to the folded portion.

[0007] As a preferred embodiment of the above technical solution, a guide block is provided on the folded portion, and the guide block includes a first inclined surface and a second inclined surface arranged symmetrically, with a ridge line on the plane of symmetry formed between the first inclined surface and the second inclined surface.

[0008] As a preferred embodiment of the above technical solution, the guide block further includes a guide slope that is adjacent to both the first slope and the second slope and is located at the front end of the spine line.

[0009] As a preferred embodiment of the above technical solution, the folding assembly further includes a correction roller that is adjustablely and swingably disposed below the folding roller group.

[0010] As a preferred embodiment of the above technical solution, the correction roller and the correction roller seat are elastically connected.

[0011] As a preferred embodiment of the above technical solution, the fabric folding assembly further includes a fabric clamping roller group disposed behind the correction roller.

[0012] As a preferred embodiment of the above technical solution, the fabric clamping roller group is elastically connected to the fabric clamping roller group seat.

[0013] As a preferred embodiment of the above technical solution, an adjusting rod for adjusting the tilt angle of the guide frame is provided below the guide frame.

[0014] As a preferred embodiment of the above technical solution, the connecting assembly includes a first guide roller, a tension roller, a second guide roller, and a feed roller.

[0015] In summary, the present invention has the following beneficial effects:

[0016] 1. The folding device of this utility model uses a guide frame to naturally fold the non-woven fabric during the unwinding process; it is fixed by a folding roller group, the folded non-woven fabric is transported by a clamping roller group, and finally the non-woven fabric is wound up by a winding roller, thereby realizing the folding of the non-woven fabric.

[0017] 2. The folding device of this utility model can pre-form creases before folding the nonwoven fabric during the conveying process by using guide blocks set on the folding part, thereby significantly reducing the non-directional resistance encountered by the nonwoven fabric when folding and improving the smoothness of folding.

[0018] 3. The folding device of this utility model finely adjusts the folding process of non-woven fabric by means of a correction roller set below the folding roller group; by adjusting the correction roller, which can be swung to the left, right or center and hangs naturally, a slight deviation is generated when the crease is formed, thereby correcting the overall folding of the non-woven fabric.

[0019] 4. The folding device of this utility model achieves the tilting angle of the guide frame by adjusting the rod set below the guide frame, thereby realizing the folding of non-woven fabrics of different widths.

[0020] 5. The connecting component of this utility model ensures that the nonwoven fabric is always in a certain degree of tension during the conveying process, thus ensuring the smooth folding. Attached Figure Description

[0021] Figure 1 It is a side view structural diagram of the utility model;

[0022] Figure 2 This is a structural schematic diagram of the present invention from a frontal perspective;

[0023] Figure 3 This is a side view of the guide fabric frame of this utility model;

[0024] Figure 4 yes Figure 2 A magnified view of a portion of the image;

[0025] The meanings of the component names represented by each number in the diagram are as follows:

[0026] 1. Unwinding roller,

[0027] 2. Connecting components,

[0028] 3. Fabric folding assembly,

[0029] 4. Take-up roller,

[0030] 21. First guide roller,

[0031] 22. Tensioning roller,

[0032] 23. Second guide roller,

[0033] 24. Feed roller,

[0034] 31. Fabric guide frame,

[0035] 32. Folding roller assembly,

[0036] 33. Correcting roller,

[0037] 34. Correcting roller seat,

[0038] 35. Fabric clamping roller assembly,

[0039] 36. Fabric clamping roller assembly seat,

[0040] 37. Adjusting rod,

[0041] 100. Non-woven fabric

[0042] 311. Folded section

[0043] 3111, First inclined plane,

[0044] 3112. The second inclined plane,

[0045] 3113. Guide ramp,

[0046] 3114. Back line. Detailed Implementation

[0047] The present invention will be further explained below with reference to the accompanying drawings.

[0048] This specific embodiment is merely an explanation of the present invention and is not intended to limit it. Any changes made by those skilled in the art after reading this specification, as long as they fall within the scope of the claims, will be protected by patent law.

[0049] A nonwoven fabric folding device, such as Figures 1-2 As shown, the assembly includes an unwinding roller 1, a connecting assembly 2, a folding assembly 3, and a take-up roller 4. A wide width of nonwoven fabric 100 is mounted on the unwinding roller 1. The nonwoven fabric 3 passes sequentially through the first guide roller 21, tension roller 22, second guide roller 23, and feed roller 24 of the connecting assembly 2, and then enters the guide frame 31, folding roller group 32, correction roller 33, and clamping roller group 35 of the folding assembly 3, finally being wound up by the take-up roller 4. Figure 1 As shown, the wide nonwoven fabric 100 becomes a folded nonwoven fabric after being processed by the folding assembly 3. Specifically, creases are pre-formed in the nonwoven fabric during the folding process. Figures 1-3 As shown, the crease is achieved by the folding portion 311 on the fabric guide frame 31, in conjunction with the conveying of the nonwoven fabric 100 itself. Furthermore, as... Figures 2-4 As shown, a guide block is provided on the folded portion 311. The guide block includes a symmetrically arranged first inclined surface 3111, a second inclined surface 3112, and a guide inclined surface 3113. A ridge line 3114 on a plane of symmetry is formed between the first inclined surface 3111 and the second inclined surface 3112. The guide inclined surface 3113 is adjacent to both the first inclined surface 3111 and the second inclined surface 3112 and is located at the front end of the ridge line 3114. Since the fabric guide frame 31 is a symmetrical triangular shape, it is inclined and arranged downwards. Therefore, when the wide nonwoven fabric 111 enters the fabric guide frame 31, the two sides of the nonwoven fabric 100 will gradually droop as it is conveyed, and the drooping ratio will gradually increase. The middle position is always supported by the fabric guide frame 31. Under the action of the drooping on both sides, a wider fold groove will be formed at the middle position. And this fold groove will slightly span the fabric guide frame 31 at the center. Furthermore, since the guide block is provided on the guide frame 31, the fold groove is quickly conveyed to the spine line 3114 under the action of the guide inclined surface 3113 of the guide block; at this time, the non-woven fabric 100 in the conveying state gradually forms a fold under the action of the spine line 3114, thereby significantly reducing the non-directional resistance encountered by the non-woven fabric 100 when it is folded in the future, and improving the smoothness of folding.

[0050] like Figure 1 As shown, after passing through the guide frame 311, the width of the wide nonwoven fabric rapidly decreases. Although the folding is not yet complete, the preparation for folding is finished. Immediately afterwards, the nonwoven fabric 100 is subjected to the action of the folding roller group 32, and the folding is essentially completed.

[0051] Considering potential deviations during the folding process, this embodiment also includes a correction roller 33 positioned below the folding roller group 32. The correction roller 33 is mounted on the correction roller seat 34, and the correction roller 33 and the correction roller seat 34 are connected in a swinging manner. Specifically, in a naturally hanging state, the feeding side of the correction roller 33 and the naturally hanging nonwoven fabric are on the same plane, and there is no biasing force between them; the biasing force refers to the force that causes the nonwoven fabric to deviate from a vertical downward position when hanging. Because the correction roller 33 and the correction roller seat 34 are connected in a swinging manner, the correction roller 33 can be adjusted to generate a biasing force between them, thereby adjusting the crease. In fact, before making the above settings, the applicant adjusted the guide block, that is, rotated the direction of the guide block so that the spine line 3114 was not vertically downward. However, during device operation, it was found that even a slight deflection of the spine line 3114 had a significant impact on the crease, resulting in uncorrected correction and even greater deflection. Because the device operates at a relatively high vehicle speed, it was ultimately decided to set the guide block to a fixed type and use other methods for correction.

[0052] Furthermore, to better wind up the folded nonwoven fabric 100, a fabric clamping roller group 35 is installed between the straightening roller 33 and the winding roller 4. For example... Figure 1 and 2 As shown, the fabric clamping roller assembly 35 is elastically connected to the fabric clamping roller assembly seat 36.

[0053] Furthermore, in this embodiment, an adjusting rod 37 is provided below the fabric guide frame 311. The adjusting rod 37 can move up and down, thereby suspending the fabric guide frame 311 and adjusting its tilt angle. (Observation) Figure 1 It is easy to see that when the tilt angle of the guide frame 311 changes, the width of the nonwoven fabric 100 that can be processed will change. For example, when the adjusting rod 37 is pushed up, the tilt angle is smaller, the guide frame 311 is hung higher, and the width of the nonwoven fabric that can be processed will become larger. Therefore, when it is necessary to process a nonwoven fabric with a relatively small width, the adjusting rod 37 can be pulled down appropriately.

Claims

1. A nonwoven fabric folding device, comprising a frame, an unwinding roller (1) mounted on the frame, a folding assembly (3), a take-up roller (4), and a connecting assembly (2) for connecting the unwinding roller and the folding assembly, characterized in that: The folding assembly (3) includes a fabric guide frame (31) and a folding roller assembly (32); the fabric guide frame (31) is symmetrically triangular in shape and is inclined downward at the vertex, thereby forming a fold (311) at the vertex; the folding roller assembly (32) is located below the fold (311).

2. The nonwoven fabric folding device according to claim 1, characterized in that: One end of the folding roller group (32) is close to the folded part (311).

3. A folding device for nonwoven fabric according to claim 1 or 2, characterized in that: The folded portion (311) is provided with a guide block, which includes a first inclined surface (3111) and a second inclined surface (3112) arranged symmetrically, and a spine line (3114) on the plane of symmetry is formed between the first inclined surface (3111) and the second inclined surface (3112).

4. A nonwoven fabric folding device according to claim 3, characterized in that: The guide block also includes a guide slope (3113) that is adjacent to both the first slope (3111) and the second slope (3112) and located at the front end of the spine line (3114).

5. A nonwoven fabric folding device according to claim 1, characterized in that: The folding assembly (3) also includes a correction roller (33) that is oscillatingly and adjustablely disposed below the folding roller group (32).

6. A nonwoven fabric folding device according to claim 5, characterized in that: The correction roller (33) is elastically connected to the correction roller seat (34).

7. A nonwoven fabric folding device according to claim 5, characterized in that: The fabric folding assembly (3) also includes a fabric clamping roller group (35) disposed behind the correction roller (33).

8. A nonwoven fabric folding device according to claim 7, characterized in that: The fabric clamping roller group (35) is elastically connected to the fabric clamping roller group seat (36).

9. A folding device for nonwoven fabric according to claim 1, characterized in that: An adjusting rod (37) for adjusting the tilt angle of the triangular guide frame (31) is provided below the triangular guide frame (31).

10. A nonwoven fabric folding device according to claim 1, characterized in that: The connecting assembly (2) includes a first guide roller (21), a tension roller (22), a second guide roller (23), and a feed roller (24).

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