Double-sided needling device for non-woven fabric processing

Abstract

The utility model relates to the technical field of non-woven fabric processing, and discloses a double-sided needling device for non-woven fabric processing, which comprises a bottom plate, a supporting plate is fixedly connected between the front side and the rear side of the top of the bottom plate, two second motors are arranged on the front side of the supporting plate, and a second roller penetrates through and is rotatably connected to the middle of the outer ring of a crankshaft on the top. The rear side of the second roller is fixedly connected with a connecting block, the top of the connecting block penetrates through and is fixedly connected with a second nut pair, the top of the supporting plate is fixedly connected with a top plate, the top of the top plate is fixedly connected with a third motor, the output end of the third motor is fixedly connected with a threaded rod, and the threaded rod penetrates through and is in threaded connection with the second nut pair. According to the utility model, the third motor drives the threaded rod to rotate, so that the second nut pair drives the connecting block and the crankshaft to move upwards, and the distance between the two needle plates is adjusted, thereby adjusting the piercing depth of the piercing needle.

Description

Technical Field

[0001] The utility model relates to the technical field of toothed wedge belts, in particular to a double-sided needling device for non-woven fabric processing. Background Technique

[0002] Non-woven fabric is a material that directly forms fabric by fibers through chemical, hot pressing or chemical bonding methods without textile. Non-woven fabric has the characteristics of good air permeability, softness, wear resistance, waterproofness, anti-static, etc., and is widely used in the fields of medical treatment, hygiene, household, clothing, packaging, etc. When producing non-woven fabric, a needling device is required to enhance its strength and stability.

[0003] After retrieval, the existing Chinese patent publication number is: CN208586403U, which provides a double-sided needling device for non-woven fabric processing. Through the cooperation of bolts and adjusting screw holes, the height of the adjusting rod can be adjusted, so that the depth of the needle penetration can be adjusted to achieve the required effect of non-woven fabric. And the fixed needle bar is fixed by the attraction of the magnetic plate and the magnet on the needle bed, and the disassembly and installation are convenient and fast.

[0004] Although the above patent can adjust the depth of the needle penetration, the above double-sided needling device for non-woven fabric processing still has the following problems: The non-woven fabric cannot adjust the tightness during processing, and it cannot be guaranteed that the fabric will not slack or deform during the needling process.

[0005] In view of the above problems, a double-sided needling device for non-woven fabric processing is proposed. Content of the Utility Model

[0006] The purpose of the utility model is to provide a double-sided needling device for non-woven fabric processing, which solves the problem that the non-woven fabric cannot adjust the tightness during processing and cannot guarantee that the fabric will not slack or deform during the needling process in the background technique.

[0007] To achieve the above object, the present utility model provides the following technical solution: A double-sided needling device for non-woven fabric processing, including a bottom plate. In the middle of the front and rear sides of the top of the bottom plate, there are fixedly connected support plates. On the front side of the support plates, there are two second motors. The output ends of the two second motors are fixedly connected with crankshafts. The front and rear sides of the outer circle of the crankshafts penetrate and are rotatably connected with first rollers. On one side of the outer circle of each first roller, there is fixedly connected a fixing frame. In the middle of the inner wall of the fixing frame, there is penetrated and rotatably connected a support column. In the middle of the outer circle of the top crankshaft, there is penetrated and rotatably connected a second roller. At the rear of the second roller, there is fixedly connected a connecting block. The top of the connecting block penetrates and is fixedly connected with a second nut pair. On the top of the support plate, there is fixedly connected a top plate. On the top of the top plate, there is fixedly connected a third motor. The output end of the third motor is fixedly connected with a threaded rod, and the threaded rod penetrates and is threadedly connected with the second nut pair. In the middle of the inner wall of the bottom plate, there is arranged an adjustable distance structure;

[0008] By adopting the above technical solution, the second motor drives the crankshaft to rotate, so that the first roller drives the support column and the needle plate to move up and down. The non-woven fabric is double-sided needled by the upper and lower two needle plates. The third motor drives the threaded rod to rotate, so that the second nut pair drives the connecting block and the crankshaft to move upward, thereby adjusting the distance between the two needle plates.

[0009] As a further description of the above technical solution: The adjustable distance structure includes a first motor. The output end of the first motor is fixedly connected with a bidirectional lead screw. The left and right sides of the outer circle of the bidirectional lead screw penetrate and are threadedly connected with first nut pairs. On the top of each first nut pair, there is fixedly connected a base;

[0010] By adopting the above technical solution, the first motor drives the bidirectional lead screw to rotate, so that the bidirectional lead screw drives the first nut pairs and the two rollers to approach each other, thereby adjusting the tightness of the non-woven fabric when it is being conveyed.

[0011] As a further description of the above technical solution: On the front and rear sides of the top of the base, there are fixedly connected side plates. The front and rear sides of the top of the side plates penetrate and are rotatably connected with rotating shafts. In the middle of the outer circle of the rotating shafts, there is penetrated and fixedly connected a roller;

[0012] By adopting the above technical solution, the non-woven fabric is conveyed and wound up by the rotating shafts and the rollers.

[0013] As a further description of the above technical solution: In the middle of the outer circle of the bidirectional lead screw, there is penetrated and rotatably connected a limiting block, and the limiting block is fixedly connected with the bottom plate;

[0014] By adopting the above technical solution, the two first nut pairs can be prevented from colliding by the limiting block.

[0015] As a further description of the above technical solution: Sliders penetrate and are slidably connected to the tops of the front and rear sides of the support plate, and the front slider is fixedly connected to the second motor at the top;

[0016] By adopting the above technical solution, the slider can limit the crankshaft to prevent the crankshaft from shifting when moving upward.

[0017] As a further description of the above technical solution: Limiting plates are fixedly connected to the top and bottom near the middle between the front and rear sides of the support plate, and the support columns penetrate and are slidably connected to the limiting plates;

[0018] By adopting the above technical solution, the support columns slide in the limiting plates to prevent the needle plate from shifting.

[0019] As a further description of the above technical solution: Chutes are provided at the tops of the front and rear sides of the support plate, and the sliders can penetrate and be slidably connected to the chutes;

[0020] By adopting the above technical solution, the sliders slide in the chutes to prevent the crankshaft from shifting.

[0021] As a further description of the above technical solution: The other ends of the support columns penetrate and are fixedly connected to the needle plate.

[0022] By adopting the above technical solution, the needle plate moves up and down to needle the non-woven fabric.

[0023] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0024] 1. A double-sided needling device for non-woven fabric processing provided by the present utility model. First, the first motor drives the bidirectional lead screw to rotate, so that the bidirectional lead screw drives the first nut pair and the two rollers to approach each other, thereby adjusting the tightness of the non-woven fabric when it is conveyed.

[0025] 2. A double-sided needling device for non-woven fabric processing provided by the present utility model. The third motor drives the threaded rod to rotate, so that the second nut pair drives the connecting block and the crankshaft to move upward, adjusting the distance between the two needle plates, thereby adjusting the penetration depth of the needles. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0027] Figure 2 is a structural schematic diagram of the bottom plate of the present utility model;

[0028] Figure 3 is a structural schematic diagram of the needle plate of the present utility model;

[0029] Figure 4 Schematic diagram of the crankshaft structure of the present utility model.

[0030] In the figure: 1, bottom plate; 2, side plate; 3, first motor; 4, base; 5, support plate; 6, second motor; 7, top plate; 8, slider; 9, third motor; 10, bidirectional lead screw; 11, first nut pair; 12, limit block; 13, chute; 14, rotating shaft; 15, roller; 16, crankshaft; 17, first roller; 18, fixing frame; 19, support column; 20, limit plate; 21, needle plate; 22, second roller; 23, connecting block; 24, second nut pair; 25, threaded rod. Specific embodiments

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] To further understand the content of the present utility model, the present utility model will be described in detail in conjunction with the accompanying drawings.

[0033] Combined with Figure 1 and Figure 3 , a double-sided needling device for non-woven fabric processing according to the present utility model includes a bottom plate 1. The middle parts of the front and rear sides of the top of the bottom plate 1 are fixedly connected with support plates 5. There are two second motors 6 arranged on the front side of the support plates 5. The output ends of the two second motors 6 are fixedly connected with crankshafts 16. The front and rear sides of the outer circle of the crankshaft 16 penetrate and are rotatably connected with first rollers 17. One side of the outer circle of each first roller 17 is fixedly connected with a fixing frame 18. The middle parts of the inner walls of the fixing frames 18 penetrate and are rotatably connected with support columns 19. The other ends of the support columns 19 penetrate and are fixedly connected with needle plates 21. The middle parts of the top and bottom between the front and rear sides of the support plates 5 are fixedly connected with limit plates 20, and the support columns 19 penetrate and are slidably connected with the limit plates 20. By driving the crankshafts 16 to rotate through the second motors 6, the first rollers 17 drive the support columns 19 and the needle plates 21 to move up and down, and the non-woven fabric is double-sided needled by the upper and lower two needle plates 21.

[0034] Combined with Figure 2, a second roller 22 is penetrated and rotatably connected to the middle of the outer ring of the top crankshaft 16. A connecting block 23 is fixedly connected to the rear side of the second roller 22. A second nut pair 24 is penetrated and fixedly connected to the top of the connecting block 23. A top plate 7 is fixedly connected to the top of the support plate 5. A third motor 9 is fixedly connected to the top of the top plate 7. The output end of the third motor 9 is fixedly connected to a threaded rod 25, and the threaded rod 25 is penetrated and threadedly connected to the second nut pair 24. Sliders 8 are penetrated and slidably connected to the top of the front and rear sides of the support plate 5, and the front slider 8 is fixedly connected to the top second motor 6. Chute grooves 13 are formed in the top of the front and rear sides of the support plate 5, and the sliders 8 can be penetrated and slidably connected to the chute grooves 13. By driving the threaded rod 25 to rotate through the third motor 9, the second nut pair 24 drives the connecting block 23 and the crankshaft 16 to move upward, so as to adjust the distance between the two needle plates 21.

[0035] Combined with Figure 1 and Figure 4 , an adjustable distance structure is arranged in the middle of the inner wall of the bottom plate 1. The adjustable distance structure includes a first motor 3. The output end of the first motor 3 is fixedly connected to a bidirectional lead screw 10. The left and right sides of the outer ring of the bidirectional lead screw 10 are penetrated and threadedly connected to first nut pairs 11. The tops of the first nut pairs 11 are fixedly connected with bases 4. The front and rear sides of the tops of the bases 4 are fixedly connected with side plates 2. The front and rear sides of the tops of the side plates 2 are penetrated and rotatably connected to a rotating shaft 14. The middle of the outer ring of the rotating shaft 14 is penetrated and fixedly connected to a roller 15. The middle of the outer ring of the bidirectional lead screw 10 is penetrated and rotatably connected to a limiting block 12, and the limiting block 12 is fixedly connected to the bottom plate 1. By driving the bidirectional lead screw 10 to rotate through the first motor 3, the bidirectional lead screw 10 drives the first nut pairs 11 and the two rollers 15 to approach each other, so as to adjust the tightness of the non-woven fabric when the non-woven fabric is conveyed.

[0036] Working principle: When the utility model is in use, first, the first motor 3 drives the bidirectional lead screw 10 to rotate, so that the bidirectional lead screw 10 drives the first nut pairs 11 and the two rollers 15 to approach each other, so as to adjust the tightness of the non-woven fabric when the non-woven fabric is conveyed. The second motor 6 drives the crankshaft 16 to rotate, so that the first roller 17 drives the support columns 19 and the needle plates 21 to move up and down. The non-woven fabric is double-sided needled by the upper and lower two needle plates 21. The third motor 9 drives the threaded rod 25 to rotate, so that the second nut pair 24 drives the connecting block 23 and the crankshaft 16 to move upward, so as to adjust the distance between the two needle plates 21.

[0037] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0038] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-sided needling device for nonwoven fabric processing, comprising a bottom plate (1), characterized in that: A support plate (5) is fixedly connected to the middle of the front and rear sides of the top of the bottom plate (1); two second motors (6) are arranged on the front side of the support plate (5); the output ends of the two second motors (6) are fixedly connected to a crankshaft (16); the front and rear sides of the outer ring of the crankshaft (16) are penetrated and rotatably connected to a first roller (17); one side of the outer ring of the first roller (17) is fixedly connected to a fixing frame (18); the middle of the inner wall of the fixing frame (18) is penetrated and rotatably connected to a support column (19); the middle of the outer ring of the crankshaft (16) at the top is penetrated The support plate (5) is rotatably connected to a second roller (22); a connecting block (23) is fixedly connected to the rear side of the second roller (22); a second nut pair (24) is passed through and fixedly connected to the top of the connecting block (23); a top plate (7) is fixedly connected to the top of the support plate (5); a third motor (9) is fixedly connected to the top of the top plate (7); a threaded rod (25) is fixedly connected to the output end of the third motor (9); the threaded rod (25) passes through and is threadedly connected to the second nut pair (24); and a distance adjustment structure is provided in the middle of the inner wall of the bottom plate (1).

2. A double-sided needling device for nonwoven fabric processing according to claim 1, characterized in that: The pitch adjustment structure comprises a first motor (3), the output end of the first motor (3) being fixedly connected to a bidirectional screw rod (10), the left and right sides of the outer ring of the bidirectional screw rod (10) being penetrated by and threadedly connected to a first nut pair (11), the top of each of the first nut pairs (11) being fixedly connected to a base (4).

3. A double-sided needling device for nonwoven fabric processing according to claim 2, characterized in that: The front and rear sides of the top of the base (4) are fixedly connected to side plates (2), the tops of the front and rear sides of the side plates (2) are penetrated by a rotating shaft (14) and are rotatably connected, and the middle of the outer ring of the rotating shaft (14) is penetrated by a rotating roller (15) and is fixedly connected.

4. A double-sided needling device for nonwoven fabric processing according to claim 2, characterized in that: A limiting block (12) passes through the middle of the outer ring of the bidirectional screw rod (10) and is rotatably connected thereto, and the limiting block (12) is fixedly connected to the bottom plate (1).

5. A double-sided needling device for nonwoven fabric processing according to claim 1, characterized in that: Slide blocks (8) are passed through and slidably connected to the top of the front and rear sides of the support plate (5), and the front slide block (8) is fixedly connected to the second motor (6) on the top.

6. A double-sided needling device for nonwoven fabric processing according to claim 1, characterized in that: A limiting plate (20) is fixedly connected to the top and bottom between the front and rear sides of the support plate (5) near the middle, and the support column (19) penetrates and is slidably connected to the limiting plate (20).

7. A double-sided needling device for nonwoven fabric processing according to claim 1, characterized in that: The tops of the front and rear sides of the support plate (5) are provided with sliding grooves (13), and the sliding blocks (8) can penetrate the sliding grooves (13) and be slidably connected.

8. A double-sided needling device for nonwoven fabric processing according to claim 1, characterized in that: The other end of the support column (19) passes through and is fixedly connected to a needle plate (21).

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