Non-woven fabric processing equipment

Abstract

The non-woven fabric processing equipment is characterized in that limiting connecting arms are symmetrically arranged at the right end of a bearing connecting plate of the non-woven fabric processing equipment, and a material guiding roller is rotationally connected between the two limiting connecting arms; a first limiting plate and a second limiting plate which are distributed in a left-right spaced mode are arranged between the connecting cross beams and the first workbench and between the bearing connecting plate and the second workbench correspondingly, and a driving mechanism used for driving the first limiting plate and the second limiting plate to move synchronously is arranged between the connecting cross beams. A material guiding tooth roller used for driving the non-woven fabric to move is rotationally connected between the first limiting plates through a first connecting shaft, a plurality of connecting limiting columns capable of being in sliding connection with the positioning plate are fixedly installed on the upper surface of the needling plate, and an eccentric rotating wheel is arranged between the positioning plate and the needling plate. According to the non-woven fabric processing equipment disclosed by the invention, on the basis of realizing automatic overturning of the non-woven fabric, the non-woven fabric can be driven to move step by step after the needling plate retracts, so that the double-sided needling effect is improved.

Description

Technical Field

[0001] The invention relates to the technical field of non-woven fabric processing, and in particular to a non-woven fabric processing device. Background Art

[0002] Non-woven fabric, also known as non-woven fabric, needle-punched cotton, needle-punched non-woven fabric, etc., is made of polyester fiber and polyester fiber. It is made through a needle-punching process and can be made into different thicknesses, feels, hardness, etc. Non-woven fabric is moisture-proof, breathable, flexible, thin, flame-retardant, non-toxic and odorless, inexpensive, and recyclable.

[0003] After searching, the Chinese patent application number 202210361658.X discloses a needling device for non-woven fabric production, including a support frame, a support plate is fixedly installed on the inner side of the support frame, and reset springs are fixedly connected to the top and bottom of the support plate, a needling plate is fixedly installed on the outer side of the reset spring, a support column is fixedly installed on the inside of the support plate, a movable rotating column is movably sleeved on the outside of the support column, an eccentric pushing column is fixedly sleeved on the outside of the movable rotating column, a driving mechanism is fixedly installed on the right side of the support plate, two pairs of discharging plates are fixedly connected to the left side of the support frame, two limit plates are fixedly installed on the left side of the discharging plate, and a discharging conveyor belt is fixedly installed on the inner side of the two limit plates; the device controls the rotation of the eccentric pushing column through the driving mechanism and uses the cooperation of the reset spring to control the lifting movement of the needling plate to complete the needling. The setting of two needling plates can effectively improve the production efficiency of the device.

[0004] In actual use of the device, although the two needling plates can perform needling treatment on two non-woven fabrics at the same time, personnel are required to take out the non-woven fabrics and then input them to turn them over before needling treatment on both sides of the non-woven fabrics. This is very inconvenient and seriously affects production efficiency. In addition, during the movement of the non-woven fabrics, the traction force and the puncture force interact with each other, causing local wrinkles or unevenness on the non-woven fabrics, affecting the needling effect. Summary of the invention

[0005] The object of the present invention is to provide a non-woven fabric processing equipment, which can realize the automatic flipping of the non-woven fabric and drive the non-woven fabric to move step by step after the needle plate retracts, effectively avoiding the mutual influence of horizontal traction force and vertical puncture force to cause wrinkles and unevenness of the non-woven fabric, thereby improving the double-sided needling effect.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a non-woven fabric processing equipment, comprising: a support base, a first workbench is arranged on the top of the support base, two connecting and positioning blocks are symmetrically arranged on the top of the support base and close to the front and rear of the first workbench, and a feed roller is rotatably connected between the two connecting and positioning blocks; A plurality of supporting columns are installed on the front and rear sides of the first workbench, and a bearing connecting plate with a second workbench on the top is fixedly installed in the middle of the supporting columns, and a limiting connecting arm is symmetrically arranged at the right end of the bearing connecting plate, and a material guide roller is rotatably connected between the two limiting connecting arms; A connecting crossbeam is arranged between the top ends of two adjacent supporting columns located on the same side, and a first limiting plate and a second limiting plate are arranged between the connecting crossbeam and the first workbench and between the load-bearing connecting plate and the second workbench, respectively, and a driving mechanism for driving the first limiting plate and the second limiting plate to move synchronously is arranged between the connecting crossbeams, and a guide tooth roller for driving the non-woven fabric to move is rotatably connected between the first limiting plates through a first connecting shaft; A needling plate is located between the two second limit plates and has a positioning plate spaced above and below, and has a plurality of needles at the bottom. A plurality of connecting limit columns that can be slidably connected to the positioning plates are fixedly installed on the upper surface of the needling plate. A limiting spring is mounted between the upper end of the connecting limit column and the positioning plate and on the circumferential outer wall of the connecting limit column. An eccentric rotating wheel is arranged between the positioning plate and the needling plate, and both ends of the eccentric rotating wheel are rotatably connected to the second limit plate through a second connecting shaft.

[0007] The further improved scheme in the above technical scheme is as follows: 1. In the above scheme, the driving mechanism includes: a telescopic hydraulic cylinder, a mounting frame for fixedly mounting the telescopic hydraulic cylinder is arranged between the tops of the connecting cross beams, a connecting top plate with a first connecting slide column and a second connecting slide column is arranged above the mounting frame, the movable end of the telescopic hydraulic cylinder is fixedly connected to the connecting top plate, and the first connecting slide column and the second connecting slide column located on both sides of the bottom of the connecting top plate can penetrate the connecting cross beam and are respectively fixedly connected to the first limit plate and the second limit plate.

[0008] 2. In the above solution, a second transmission sprocket is fixedly connected to the end of the second connecting shaft located outside the second limiting plate.

[0009] 3. In the above solution, a first transmission sprocket is fixedly connected to the end of the first connecting shaft located outside the first limiting plate.

[0010] 4. In the above solution, the number of teeth of the first transmission sprocket is 3 to 8 times the number of teeth of the second transmission sprocket.

[0011] 5. In the above scheme, the upper and lower material guide tooth rollers rotate in opposite directions.

[0012] 6. In the above scheme, two material guide rollers are provided, and the two material guide rollers are distributed at intervals.

[0013] 7. In the above solution, a guide sliding column capable of being slidably connected to the positioning plate is respectively installed on the upper surface of the acupuncture plate and located on both sides of the connection limit column.

[0014] 8. In the above solution, when the limit spring is in a natural state, the outer wall of the eccentric wheel contacts the upper surface of the acupuncture plate.

[0015] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: 1. The non-woven fabric processing equipment of the present invention comprises a first workbench provided on the top of a supporting base, two connecting and positioning blocks are symmetrically provided at the top of the supporting base and close to the first workbench, a feed roller is rotatably connected between the two connecting and positioning blocks; a plurality of supporting columns are respectively installed on the front and rear sides of the first workbench, and a bearing connecting plate with a second workbench on the top is fixedly installed in the middle of the supporting column, a limiting connecting arm is symmetrically provided at the right end of the bearing connecting plate, a material guide roller is rotatably connected between the two limiting connecting arms, the non-woven fabric is driven to move by the rotation of the two material guide tooth rollers, and the non-woven fabric on the second workbench can be turned over and transferred to the first workbench through the cooperation of the material guide roller and the feed roller, thereby realizing automatic turning of the non-woven fabric, facilitating double-sided needling of the non-woven fabric, improving production efficiency, and improving the synchronization of fabric transmission.

[0016] 2. The non-woven fabric processing equipment of the present invention has a driving mechanism for driving the first limit plate and the second limit plate to move synchronously between the connecting cross beams located at the top of the supporting columns, a material guide tooth roller for driving the non-woven fabric to move is rotatably connected between the first limit plates through the first connecting shaft, a positioning plate and a needling plate with a plurality of needles at the bottom are arranged at intervals between the two second limit plates, a plurality of connecting limit columns that can be slidably connected to the positioning plate are fixedly installed on the upper surface of the needling plate, a limit spring is installed between the upper end of the connecting limit column and the positioning plate and on the circumferential outer wall of the connecting limit column, An eccentric rotating wheel is arranged between the positioning plate and the needling plate, and the two ends of the eccentric rotating wheel are rotatably connected with the second limiting plate through a second connecting shaft respectively, and the first limiting plate and the second limiting plate are driven to move downward synchronously through the driving mechanism, so that the material guiding tooth roller, the positioning plate and the needling plate are synchronously close to the first working table and the second working table, so that after the needling plate with needling is retracted, the material guiding tooth roller rotates to drive the non-woven fabric to move step by step, which can effectively avoid the mutual influence of the horizontal traction force and the vertical puncture force to cause the wrinkles and unevenness of the non-woven fabric, and increase the number of needling times in the unit area, thereby improving the needling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Attached Figure 1 It is a schematic structural diagram of the nonwoven fabric processing equipment of the present invention from a first perspective; Attached Figure 2 It is a second perspective structural schematic diagram of the nonwoven fabric processing equipment of the present invention; Attached Figure 3 It is a front view of the nonwoven fabric processing equipment of the present invention; Attached Figure 4 The present invention is attached Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle.

[0018] In the above drawings: 1. Support base; 2. Support column; 3. Connecting crossbeam; 4. Mounting frame; 5. Connecting top plate; 6. First connecting slide column; 7. Second connecting slide column; 8. Load-bearing connecting plate; 9. Telescopic hydraulic cylinder; 10. First workbench; 11. Second workbench; 12. First limit plate; 13. First connecting shaft; 14. First transmission sprocket; 15. Guide gear roller; 16. Second limit plate; 17. Second connecting shaft; 18. Second transmission sprocket; 19. Positioning plate; 20. Connecting limit column; 21. Limit spring; 22. Needle plate; 23. Guide slide column; 24. Limit connecting arm; 25. Guide roller; 26. Connecting positioning block; 27. Feed roller; 28. Eccentric wheel. Implementation

[0019] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0020] Embodiment 1: A non-woven fabric processing equipment, comprising: a support base 1, a first workbench 10 is arranged on the top of the support base 1, two connection positioning blocks 26 are symmetrically arranged on the top of the support base 1 and close to the front and rear of the first workbench 10, and a feed roller 27 is rotatably connected between the two connection positioning blocks 26; The non-woven fabric is introduced from between the guide tooth roller in the middle and the second workbench, then passes between the two guide rollers, then passes between the feed roller and the first workbench, and then passes between the guide tooth roller at the bottom and the first workbench; A plurality of support columns 2 are installed on the front and rear sides of the first workbench 10, and a load-bearing connecting plate 8 with a second workbench 11 on the top is fixedly installed in the middle of the support column 2, and a limit connecting arm 24 is symmetrically arranged at the right end of the load-bearing connecting plate 8, and a material guide roller 25 is rotatably connected between the two limit connecting arms 24; Then, two linked telescopic hydraulic cylinders are started, which drive the connecting top plate to move downward, and the connecting top plate drives the first connecting slide column and the second connecting slide column to slide downward, and then drives the needle punching plate to move downward, and the two material guide tooth rollers press the non-woven wool material; A connecting crossbeam 3 is arranged between the top ends of two adjacent supporting columns 2 located on the same side, and a first limiting plate 12 and a second limiting plate 16 are arranged between the connecting crossbeam 3 and the first workbench 10 and between the load-bearing connecting plate 8 and the second workbench 11, respectively, and are spaced apart on the left and right. A driving mechanism for driving the first limiting plate 12 and the second limiting plate 16 to move synchronously is arranged between the connecting crossbeams 3, and a guide tooth roller 15 for driving the non-woven fabric to move is rotatably connected between the first limiting plates 12 through a first connecting shaft 13; A needling plate 22 is located between the two second limit plates 16 and is spaced apart from the upper and lower parts by a positioning plate 19 and has a plurality of needles at the bottom. A plurality of connecting limit columns 20 that can be slidably connected to the positioning plate 19 are fixedly installed on the upper surface of the needling plate 22. A limiting spring 21 is mounted between the upper end of the connecting limit column 20 and the positioning plate 19 and on the circumferential outer wall of the connecting limit column 20. An eccentric rotating wheel 28 is arranged between the positioning plate 19 and the needling plate 22. The two ends of the eccentric rotating wheel 28 are rotationally connected to the second limit plate 16 through a second connecting shaft 17 respectively.

[0021] The above-mentioned driving mechanism includes: a telescopic hydraulic cylinder 9, a mounting frame 4 for fixedly mounting the telescopic hydraulic cylinder 9 is arranged between the tops of the above-mentioned connecting cross beams 3, a connecting top plate 5 with a first connecting slide column 6 and a second connecting slide column 7 is arranged above the above-mentioned mounting frame 4, the movable end of the above-mentioned telescopic hydraulic cylinder 9 is fixedly connected to the connecting top plate 5, and the above-mentioned first connecting slide column 6 and the second connecting slide column 7 located on both sides of the bottom of the connecting top plate 5 can penetrate the above-mentioned connecting cross beam 3 and are respectively fixedly connected to the first limit plate 12 and the second limit plate 16.

[0022] The driving motor synchronously drives the two second connecting shafts, and the second connecting shafts squeeze the needling plates through the eccentric rotating wheel. Under the cooperation of the connecting limit column and the limit spring, the needling plates reciprocate up and down, and the two needling plates move synchronously to perform needling treatment on the upper and lower surfaces of the non-woven wool material, and the linear speed of the second transmission sprocket is greater than the linear speed of the first transmission sprocket. During the movement of the non-woven wool material, the needling plates can perform needling treatment on the same position of the non-woven wool material at least five times.

[0023] The upper and lower material guide tooth rollers 15 rotate in opposite directions. The material guide tooth roller 15 below the bearing connecting plate 8 rotates counterclockwise, while the material guide tooth roller 15 above the bearing connecting plate 8 rotates clockwise.

[0024] Two of the material guide rollers 25 are provided, and the two material guide rollers 25 are spaced apart from each other.

[0025] A guide slide post 23 which can be slidably connected to the positioning plate 19 is respectively installed on the upper surface of the acupuncture plate 22 and located on both sides of the connection limit post 20.

[0026] There are two connection limit posts 20 , and the two connection limit posts 20 are symmetrically arranged about the axis of the needling plate 22 .

[0027] The end of the second connecting shaft 17 located outside the second limiting plate 16 is fixedly connected to a second transmission sprocket 18; the end of the first connecting shaft 13 located outside the first limiting plate 12 is fixedly connected to a first transmission sprocket 14; the number of teeth of the first transmission sprocket 14 is 4 times the number of teeth of the second transmission sprocket 18. During the movement of the non-woven wool material, the needle-punching plate can perform needle-punching treatment on the same position of the non-woven wool material multiple times.

[0028] Embodiment 2: A non-woven fabric processing device, comprising: a support base 1, a first workbench 10 is arranged on the top of the support base 1, two connection positioning blocks 26 are symmetrically arranged on the top of the support base 1 and close to the front and rear of the first workbench 10, and a feed roller 27 is rotatably connected between the two connection positioning blocks 26; A plurality of support columns 2 are installed on the front and rear sides of the first workbench 10, and a load-bearing connecting plate 8 with a second workbench 11 on the top is fixedly installed in the middle of the support column 2, and a limit connecting arm 24 is symmetrically arranged at the right end of the load-bearing connecting plate 8, and a material guide roller 25 is rotatably connected between the two limit connecting arms 24; Then, two linked telescopic hydraulic cylinders are started, which drive the connecting top plate to move downward, and the connecting top plate drives the first connecting slide column and the second connecting slide column to slide downward, and then drives the needle punching plate to move downward, and the two material guide tooth rollers press the non-woven wool material; A connecting crossbeam 3 is arranged between the top ends of two adjacent supporting columns 2 located on the same side, and a first limiting plate 12 and a second limiting plate 16 are arranged between the connecting crossbeam 3 and the first workbench 10 and between the load-bearing connecting plate 8 and the second workbench 11, respectively, and are spaced apart on the left and right. A driving mechanism for driving the first limiting plate 12 and the second limiting plate 16 to move synchronously is arranged between the connecting crossbeams 3, and a guide tooth roller 15 for driving the non-woven fabric to move is rotatably connected between the first limiting plates 12 through a first connecting shaft 13; The non-woven fabric is moved by the rotation of two guide tooth rollers, and the cooperation of the guide roller and the feed roller can realize the flipping and transmission of the non-woven fabric on the second workbench to the first workbench, thereby realizing the automatic flipping of the non-woven fabric, facilitating the double-sided needling of the non-woven fabric, improving the production efficiency, and also improving the synchronization of fabric transmission; A needling plate 22 is located between the two second limit plates 16 and is spaced apart from the upper and lower parts by a positioning plate 19 and has a plurality of needles at the bottom. A plurality of connecting limit columns 20 that can be slidably connected to the positioning plate 19 are fixedly installed on the upper surface of the needling plate 22. A limiting spring 21 is mounted between the upper end of the connecting limit column 20 and the positioning plate 19 and on the circumferential outer wall of the connecting limit column 20. An eccentric rotating wheel 28 is arranged between the positioning plate 19 and the needling plate 22. The two ends of the eccentric rotating wheel 28 are rotationally connected to the second limit plate 16 through a second connecting shaft 17 respectively.

[0029] The first limit plate and the second limit plate are driven downward synchronously by the driving mechanism, so that the material guide tooth roller, the positioning plate and the needling plate are synchronously close to the first workbench and the second workbench, so that after the needling plate with needling is retracted, the material guide tooth roller rotates to drive the non-woven fabric to move step by step, which can effectively avoid the mutual influence of the horizontal traction force and the vertical puncture force to cause the wrinkles and unevenness of the non-woven fabric, and increase the number of needling times in a unit area, thereby improving the needling effect.

[0030] The above-mentioned driving mechanism includes: a telescopic hydraulic cylinder 9, a mounting frame 4 for fixedly mounting the telescopic hydraulic cylinder 9 is arranged between the tops of the above-mentioned connecting cross beams 3, a connecting top plate 5 with a first connecting slide column 6 and a second connecting slide column 7 is arranged above the above-mentioned mounting frame 4, the movable end of the above-mentioned telescopic hydraulic cylinder 9 is fixedly connected to the connecting top plate 5, and the above-mentioned first connecting slide column 6 and the second connecting slide column 7 located on both sides of the bottom of the connecting top plate 5 can penetrate the above-mentioned connecting cross beam 3 and are respectively fixedly connected to the first limit plate 12 and the second limit plate 16.

[0031] The upper and lower material guide tooth rollers 15 rotate in opposite directions. The material guide tooth roller 15 located below the bearing connecting plate 8 rotates counterclockwise, while the material guide tooth roller 15 located above the bearing connecting plate 8 rotates clockwise. Then start the drive motor, which drives the middle material guide gear roller to rotate counterclockwise, and drives the bottom material guide gear roller to rotate clockwise, and cooperates with the material guide roller and the feed roller to transmit the non-woven wool material.

[0032] Two of the material guide rollers 25 are provided, and the two material guide rollers 25 are spaced apart from each other.

[0033] There are two connection limit posts 20 , and the two connection limit posts 20 are symmetrically arranged about the axis of the needling plate 22 .

[0034] The end of the second connecting shaft 17 located outside the second limiting plate 16 is fixedly connected to a second transmission sprocket 18; the end of the first connecting shaft 13 located outside the first limiting plate 12 is fixedly connected to a first transmission sprocket 14; the number of teeth of the first transmission sprocket 14 is 6 times the number of teeth of the second transmission sprocket 18. During the movement of the non-woven wool material, the needle-punching plate can perform needle-punching treatment on the same position of the non-woven wool material multiple times.

[0035] The working principle is: The non-woven fabric is introduced from between the guide tooth roller in the middle and the second workbench, then passes between the two guide rollers, then passes between the feed roller and the first workbench, and then passes between the guide tooth roller at the bottom and the first workbench; Then, two linked telescopic hydraulic cylinders are started, which drive the connecting top plate to move downward, and the connecting top plate drives the first connecting slide column and the second connecting slide column to slide downward, and then drives the needle punching plate to move downward, and the two material guide tooth rollers press the non-woven wool material; Then start the drive motor, which drives the guide gear roller in the middle to rotate counterclockwise, and drives the guide gear roller at the bottom to rotate clockwise, and cooperates with the guide roller and the feed roller to transmit the non-woven wool material; The driving motor synchronously drives the two second connecting shafts, and the second connecting shafts squeeze the acupuncture plate through the eccentric rotating wheel. Under the cooperation of the connecting limit column and the limit spring, the acupuncture plate reciprocates up and down; The two needling plates move synchronously to perform needling treatment on the upper and lower surfaces of the non-woven wool material, and the linear speed of the second transmission sprocket is greater than the linear speed of the first transmission sprocket. During the movement of the non-woven wool material, the needling plates can perform needling treatment on the same position of the non-woven wool material multiple times.

[0036] When the above non-woven fabric processing equipment is used, the two guide gear rollers are used to rotate and drive the non-woven fabric to move, and the guide roller and the feed roller cooperate to realize the flipping and transmission of the non-woven fabric on the second workbench to the first workbench, thereby realizing the automatic flipping of the non-woven fabric, facilitating the double-sided needling of the non-woven fabric, improving the production efficiency, and improving the synchronization of the fabric transmission; In addition, the driving mechanism drives the first limit plate and the second limit plate to move downward synchronously, so that the material guide tooth roller, the positioning plate, and the needling plate are synchronously close to the first workbench and the second workbench. After the needling plate with needling is retracted, the material guide tooth roller rotates to drive the non-woven fabric to move in steps, which effectively avoids the mutual influence between the horizontal traction force and the vertical puncture force that causes the wrinkles and unevenness of the non-woven fabric, and increases the number of needling times per unit area, thereby improving the needling effect.

[0037] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A nonwoven fabric processing equipment, comprising: A support base (1), characterized in that: a first workbench (10) is arranged on the top of the support base (1), two connecting positioning blocks (26) are symmetrically arranged on the top of the support base (1) and close to the front and rear of the first workbench (10), and a feeding roller (27) is rotatably connected between the two connecting positioning blocks (26); A plurality of support columns (2) are respectively installed on the front and rear sides of the first workbench (10), and a bearing connection plate (8) with a second workbench (11) on the top is fixedly installed in the middle of the support column (2), and a limit connecting arm (24) is symmetrically arranged at the right end of the bearing connection plate (8), and a material guide roller (25) is rotatably connected between the two limit connecting arms (24); A connecting crossbeam (3) is arranged between the top ends of two adjacent supporting columns (2) located on the same side; a first limit plate (12) and a second limit plate (16) are arranged between the connecting crossbeam (3) and the first workbench (10) and between the load-bearing connecting plate (8) and the second workbench (11) at intervals on the left and right; a driving mechanism for driving the first limit plate (12) and the second limit plate (16) to move synchronously is arranged between the connecting crossbeams (3); and a guide tooth roller (15) for driving the non-woven fabric to move is rotatably connected between the first limit plates (12) via a first connecting shaft (13); A needling plate (22) is located between the two second limit plates (16) and is provided with a positioning plate (19) at intervals above and below, and has a plurality of needles at the bottom. A plurality of connection limit columns (20) capable of being slidably connected to the positioning plate (19) are fixedly mounted on the upper surface of the needling plate (22). A limit spring (21) is mounted between the upper end of the connection limit column (20) and the positioning plate (19) and on the circumferential outer wall of the connection limit column (20). An eccentric rotating wheel (28) is provided between the positioning plate (19) and the needling plate (22). The two ends of the eccentric rotating wheel (28) are rotatably connected to the second limit plate (16) via a second connecting shaft (17).

2. The nonwoven fabric processing equipment according to claim 1, characterized in that: The driving mechanism comprises: a telescopic hydraulic cylinder (9); a mounting frame (4) for fixedly mounting the telescopic hydraulic cylinder (9) is arranged between the tops of the connecting crossbeams (3); a connecting top plate (5) having a first connecting slide column (6) and a second connecting slide column (7) is arranged above the mounting frame (4); the movable end of the telescopic hydraulic cylinder (9) is fixedly connected to the connecting top plate (5); the first connecting slide column (6) and the second connecting slide column (7) located on both sides of the bottom of the connecting top plate (5) can penetrate the connecting crossbeam (3) and are respectively fixedly connected to a first limit plate (12) and a second limit plate (16).

3. The nonwoven fabric processing equipment according to claim 1 or 2, characterized in that: The end portion of the second connecting shaft (17) located outside the second limiting plate (16) is fixedly connected to a second transmission sprocket (18).

4. The nonwoven fabric processing equipment according to claim 3, characterized in that: The end portion of the first connecting shaft (13) located outside the first limiting plate (12) is fixedly connected to a first transmission sprocket (14).

5. The nonwoven fabric processing equipment according to claim 4, characterized in that: The number of teeth of the first transmission sprocket (14) is 3 to 8 times the number of teeth of the second transmission sprocket (18).

6. The nonwoven fabric processing equipment according to claim 1, characterized in that: The upper and lower material guide tooth rollers (15) rotate in opposite directions.

7. The nonwoven fabric processing equipment according to claim 1, characterized in that: Two material guide rollers (25) are provided, and the two material guide rollers (25) are spaced apart.

8. The nonwoven fabric processing equipment according to claim 1, characterized in that: A guide sliding column (23) capable of being slidably connected to the positioning plate (19) is respectively installed on the upper surface of the needle plate (22) and located on both sides of the connection limit column (20).

9. The nonwoven fabric processing equipment according to claim 1, characterized in that: When the limit spring (21) is in a natural state, the outer wall of the eccentric rotating wheel (28) contacts the upper surface of the needle plate (22).

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