A nonwoven needle punch device

Through the design of the power mechanism and the driving mechanism, the damaged needles in the nonwoven fabric needle punching device are automatically removed and detached. The machine does not need to be stopped when replacing the damaged needles, which solves the problems of time-consuming, labor-intensive and resource-wasting in the existing technology and improves work efficiency and resource utilization.

CN114250548BActive Publication Date: 2026-02-27ANHUI SHENCHUANG ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202111647765.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-12-30
Publication Date
2026-02-27
Estimated Expiration
2041-12-30

AI Technical Summary

Technical Problem

In existing nonwoven fabric needle punching devices, when a few needles are damaged, the machine needs to be stopped to replace the entire needle plate, which results in time-consuming, labor-intensive, and resource-wasting operations.

Method used

Design a nonwoven fabric needle punching device, which uses a power mechanism to drive a motion puncture component to realize the automatic removal of damaged needles and a detachable outer limit plate, allowing only the damaged needle tip to be replaced, and combined with a push mechanism to achieve double-sided puncture.

Benefits of technology

It improves needle changing efficiency, reduces resource waste, simplifies the operation process, and maintains the continuity and efficiency of nonwoven fabric needle punching.

✦ Generated by Eureka AI based on patent content.

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    Figure CN114250548B_ABST
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Abstract

The present application provides a kind of non-woven needle punching device, including stripping net plate, needle, power mechanism and moving puncture component, when the needle of the upper part of stripping net plate is damaged, moving puncture component is rotated by power mechanism, so that the needle of other position in moving puncture component is moved to the upper part of stripping net plate, the needle with damage is removed from the upper part of stripping net plate, the next non-woven needle punching operation can be carried out, needle replacement process saves time and effort, operation is simple, and efficiency is high, outer limit stop plate and needle are connected in detachable mode, only damaged needle can be replaced, without stripping net plate, moving puncture component is all disassembled and discarded, resource is saved, time and effort are saved, and when needle is disassembled, non-woven needle punching operation can be carried out normally, improve work efficiency.
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Description

TECHNICAL FIELD

[0001] The present application is a kind of non-woven fabric needle punching device, belongs to the field of non-woven fabric production. BACKGROUND

[0002] Non-woven fabric, also known as non-woven fabric, is composed of directional or random fibers, and is a new generation of environmentally friendly materials. It has the characteristics of moisture resistance, air permeability, flexibility, light weight, non-combustion, easy decomposition, non-toxic and non-irritating, rich color, low price, recyclable, etc. It is a non-woven fabric directly using polymer chips, short fibers or filaments. The fibers are formed by air flow or mechanical netting, and then water jet, needle punching or hot rolling reinforcement, and finally post-finishing. The needle punching method is a typical mechanical reinforcement method, which is to reinforce the fiber web by the penetration of the needle of the needle punching machine.

[0003] The needle punching device in the prior art mainly includes a rack and a needle plate with needles. If a few needles are damaged, the non-woven fabric production equipment needs to be temporarily stopped, and the entire needle plate needs to be replaced manually. Because the needle plate and the rack are usually connected by bolts, the disassembly process is time-consuming and laborious. Moreover, because a few needles are damaged, the entire needle plate is discarded, greatly increasing the cost and causing resource waste. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application aims to provide a non-woven fabric needle punching device to solve the problem of contamination of the experimental table caused by the water adhering to the outer wall of the test tube in the background art, and the inconvenience of operation.

[0005] In order to achieve the above-mentioned purpose, the present application is realized by the following technical scheme: a non-woven fabric needle punching device, comprising a power mechanism, a movable puncture assembly is installed at the front end of the power mechanism, an auxiliary mechanism is fixed at the front end of the movable puncture assembly, and a pushing mechanism is arranged on the upper side of the movable puncture assembly.

[0006] The movable puncture assembly comprises a second conveyor belt, a support plate and a stripping plate are arranged inside the second conveyor belt, the stripping plate is fixedly installed on the upper part of the support plate, a plurality of needles are equidistantly arranged on the second conveyor belt, and the needles are arranged on the outer side of the support plate and the stripping plate, and the pushing mechanism is arranged on the upper side of the needle.

[0007] Specifically, a plurality of circular holes are equidistantly arranged on the second conveyor belt, and a fixed ring is fixed inside each of the circular holes. The needle penetrates through the fixed ring, and the annular outer end of the needle is fixed with an inner limiting plate. The inner limiting plate is slidingly installed inside the circular hole. The end faces of the inner limiting plate and the fixed ring towards the inner side of the second conveyor belt are attached. The annular outer end of the needle is installed with a spring. The side of the needle facing away from the second conveyor belt is fixed with an outer limiting plate, and the spring is arranged between the outer limiting plate and the fixed ring.

[0008] Specifically, the auxiliary mechanism comprises a first auxiliary conveying belt and two arc-shaped supporting rods, the first auxiliary conveying belt is fixed at the front end of the second conveying belt, and the first auxiliary conveying belt is installed outside the two arc-shaped supporting rods.

[0009] The power mechanism comprises two first transmission rollers, the outer ends of the two first transmission rollers are jointly wrapped around a first conveying belt, the second conveying belt is fixed at the front end of the first conveying belt, and the two first transmission rollers are arranged outside the stripping plate and the supporting plate.

[0010] Specifically, at least two upper through grooves are formed in the stripping plate, the positions of the corresponding needles of the at least two upper through grooves are opposite, and the lower end of the stripping plate is fixedly connected with the supporting plate through two supporting columns.

[0011] Specifically, the pushing mechanism comprises a pressure pushing plate and an electric cylinder, the lower end of the piston rod of the pressure pushing plate is fixed with the electric cylinder, and the electric cylinder is arranged on the upper side of the needle.

[0012] Specifically, the power mechanism comprises two second transmission rollers, the front end faces of the two second transmission rollers are both machined into first inclined faces, the front ends of the two second transmission rollers are both fixed with first guide rollers, the outer ends of the two first guide rollers are wrapped around an inclined transmission belt, the auxiliary mechanism comprises two third transmission rollers, the rear end faces of the two third transmission rollers are both machined into second inclined faces, the second inclined faces are arranged in parallel with the first inclined faces, the rear ends of the two second transmission rollers are both fixed with second guide rollers, the outer ends of the two second guide rollers are wrapped around a second auxiliary conveying belt, and the second conveying belt is fixed between the inclined transmission belt and the second auxiliary conveying belt.

[0013] Specifically, the pushing mechanism is provided in two, the two pushing mechanisms are arranged on the upper and lower sides of the movable puncture assembly respectively, the lower pushing mechanism is arranged on the front side of the upper pushing mechanism, a plurality of equidistantly arranged lower through grooves are formed in the supporting plate, the lower through grooves are of the same specification as the upper through grooves, the lower through grooves are arranged on the front side of the upper through grooves, and the lower through grooves are arranged in correspondence with the plurality of needles on the lower side.

[0014] The present application has the following beneficial effects: 1. When the needle on the upper part of the stripping plate is damaged, the movable puncture assembly is driven to rotate by the power mechanism, so that the needles at other positions in the movable puncture assembly are moved to the upper part of the stripping plate, the damaged needle is removed from the upper part of the stripping plate, and the next non-woven fabric needling operation can be performed, the needle replacement process is time-saving and labor-saving, the operation is simple and convenient, and the efficiency is high.

[0015] 2. The outer limiting plate and the needle are connected in a detachable manner. When the needle needs to be replaced, the needle to be removed is moved to the leftmost or rightmost position by the power mechanism. Then the outer limiting plate and the needle are removed, and the needle is separated from the second conveyor belt to remove the needle. In this design, only the damaged needle is replaced, without disassembling and discarding the entire moving puncture assembly, which saves resources, time and labor. Moreover, the non-woven fabric needle punching operation can be carried out normally when the needle is removed, which improves work efficiency.

[0016] 3. The lower part of the second conveyor belt is tilted forward compared to the upper part, so that the upper and lower needles are staggered in the lateral position. By running two pushing mechanisms, the upper needle on the moving piercing assembly is pushed downward and the lower needle is pushed upward. The upper and lower needles pass through the upper through groove on the stripping plate and the lower through groove on the support plate respectively to pierce the non-woven fabric on the support plate, realizing the function of double-sided piercing. Attached Figure Description

[0017] Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0018] Figure 1 This is a perspective view of a nonwoven fabric needle punching device according to the present invention;

[0019] Figure 2 This is a cross-sectional view of a nonwoven fabric needle punching device according to the present invention;

[0020] Figure 3 for Figure 2 Enlarged view of part A in the middle;

[0021] Figure 4 This is a diagram of another embodiment of the nonwoven fabric needle punching device of the present invention;

[0022] In the diagram: 1-Power mechanism, 2-Motion puncture assembly, 3-Auxiliary mechanism, 4-Stripping plate, 5-Support plate, 6-Pushing mechanism, 11-First conveyor belt, 12-First transmission roller, 21-Second conveyor belt, 22-Fixing ring, 23-Spring, 24-Outer limiting plate, 25-Needle, 26-Inner limiting plate, 31-Arc-shaped support rod, 32-First auxiliary conveyor belt, 41-Upper through groove, 51-Second transmission roller, 52-Inclined transmission belt, 53-Second auxiliary conveyor belt, 54-Third transmission roller, 61-Pressure push plate, 62-Electric cylinder. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0024] First embodiment: please refer to Figures 1-3 The present application provides a technical solution: a non-woven fabric needling device, comprising a power mechanism 1, a power mechanism 1 front end installation movement type puncture assembly 2, movement type puncture assembly 2 front end fixed auxiliary mechanism 3, movement type puncture assembly 2 upper side is equipped with push mechanism 6, power mechanism 1 plays the role of power, can drive movement type puncture assembly 2 to rotate, realize the adjustment movement type puncture assembly 2 relative to the position of push mechanism 6, and the design of auxiliary mechanism 3 can be movement type puncture assembly 2 assisted support, make movement type puncture assembly 2 can rotate smoothly.

[0025] Movement type puncture assembly 2 includes second conveyor belt 21, second conveyor belt 21 inside setting support plate 5 and stripping plate 4, support plate 5 and stripping plate 4 transversely through power mechanism 1, movement type puncture assembly 2 and auxiliary mechanism 3, support plate 5 is used to support non-woven fabric, stripping plate 4 is used to remove the fiber adhered to the surface of needle 25 after needling work, facilitate the smooth progress of needling work, and stripping plate 4 is fixedly installed on the upper part of support plate 5, a plurality of needles 25 are equidistantly arranged on the second conveyor belt 21, and the needles 25 are arranged outside the support plate 5 and the stripping plate 4, the push mechanism 6 is arranged on the upper side of the needle 25, in the normal state, the needle 25 is kept outside the stripping plate 4 and the support plate 5, the power mechanism 1 drives the second conveyor belt 21 to rotate until part of the needle 25 moves to the corresponding position above the stripping plate 4, the stripping plate 4 is pushed downward by the push mechanism 6, the needle 25 moves downward through the stripping plate 4 and is inserted into the non-woven fabric raw material on the upper part of the support plate 5, and the non-woven fabric raw material is needled.

[0026] When the needle 25 located on the upper part of the stripping plate 4 is damaged, the power mechanism 1 can drive the movement type puncture assembly 2 to rotate, so that the needle 25 at other positions in the movement type puncture assembly 2 moves to the upper part of the stripping plate 4, and the damaged needle 25 is removed from the upper part of the stripping plate 4, so that the next non-woven fabric needling operation can be performed, the needle replacement process saves time and labor, and the operation is simple and efficient.

[0027] The second conveying belt 21 is provided with a plurality of circular holes equidistantly arranged, and a plurality of fixed rings 22 are fixed in the circular holes. The connection between the circular holes and the fixed rings 22 can be achieved by means of adhesive bonding or the like. The lancet 25 penetrates through the fixed ring 22, and the annular outer end of the lancet 25 is fixed with an inner limiting plate 26. The lancet 25 and the inner limiting plate 26 can be connected by means of bonding or welding or the like. The inner limiting plate 26 is slidingly installed in the circular hole. The end faces of the inner limiting plate 26 and the fixed ring 22 towards the inner side of the second conveying belt 21 are attached. The inner limiting plate 26 cooperates with the fixed ring 22 to limit the movement of the lancet 25 towards the inner side of the second conveying belt 21. The annular outer end of the lancet 25 is provided with a spring 23. The side of the lancet 25 away from the second conveying belt 21 is fixed with an outer limiting plate 24, and the spring 23 is arranged between the outer limiting plate 24 and the fixed ring 22. The cooperation of the outer limiting plate 24 and the fixed ring 22 limits the movement of the lancet 25 towards the outer side of the second conveying belt 21. The spring 23 is in a compressed state. The spring 23 is used to limit the position of the lancet 25, so that the lancet 25 is always outside the stripping plate 4 and the supporting plate 5 under the condition of no external force.

[0028] The outer limiting plate 24 and the lancet 25 are connected in a detachable manner. Specifically, they can be connected by screwing. When the lancet 25 needs to be replaced, the power mechanism 1 is used to move the lancet 25 that needs to be detached to the leftmost or rightmost position. Then, the outer limiting plate 24 and the lancet 25 are detached. The hand is inserted into the inside of the movable puncture assembly 2 from the front of the arc-shaped support rod 31. The lancet 25 is held and moved towards the inside of the second conveying belt 21 to separate the lancet 25 from the second conveying belt 21, thereby achieving the detachment of the lancet 25. In this design, only the damaged lancet 25 needs to be replaced, and the entire movable puncture assembly 2 does not need to be detached and discarded, thereby saving resources and time and labor. When the lancet 25 is detached, the non-woven fabric needling operation can be normally performed, thereby improving the work efficiency.

[0029] The auxiliary mechanism 3 includes a first auxiliary conveying belt 32 and two arc-shaped support rods 31. The first auxiliary conveying belt 32 is fixed to the front end of the second conveying belt 21. The first auxiliary conveying belt 32 is installed outside the two arc-shaped support rods 31. When the second conveying belt 21 operates, the arc-shaped support rods 31 rotate with the second conveying belt 21. The arc-shaped support rods 31 are used to support the first auxiliary conveying belt 32.

[0030] The power mechanism 1 includes two first transmission rollers 12, the outer ends of which together surround a first conveyor belt 11. A second conveyor belt 21 is fixed to the front end of the first conveyor belt 11. The two first transmission rollers 12 are located on the outside of the stripping plate 4 and the support plate 5. Two arc-shaped support rods 31 are located on the outside of the stripping plate 4 and the support plate 5. The rear end of one of the first transmission rollers 12 is fixedly connected to a motor. The motor drives the first transmission roller 12 to rotate, thereby driving the first conveyor belt 11 and the second conveyor belt 21 to operate.

[0031] At least two upper through slots 41 are opened on the stripping plate 4, and the positions of the needles 25 corresponding to the at least two upper through slots 41 are opposite. When the needles 25 move downward, they penetrate the upper through slots 41. The lower end of the stripping plate 4 is fixedly connected to the support plate 5 through two pillars.

[0032] The pushing mechanism 6 includes a pressure push plate 61 and an electric cylinder 62. The lower end of the piston rod of the pressure push plate 61 is fixed with the electric cylinder 62, and the electric cylinder 62 is located on the upper side of the needle 25. Several electric cylinders 62 can be set to drive the pressure push plate 61 to move stably.

[0033] The electric cylinder 62, the first transmission roller 12, the support plate 5, the motor, and the arc-shaped support rod 31 are all connected to the frame of the needle punching device to achieve stable support for the components.

[0034] For the second embodiment, please refer to... Figure 4 The power mechanism 1 includes two second transmission rollers 51. The front end faces of both second transmission rollers 51 are machined into a first inclined surface with a forward-leaning lower portion. A first guide roller is fixed to the front end of each of the two second transmission rollers 51, and the front end of the first guide roller is machined into a third inclined surface with a forward-leaning lower portion. An inclined transmission belt 52 surrounds the outer ends of the two first guide rollers. The auxiliary mechanism 3 includes two third transmission rollers 54. The rear end faces of both third transmission rollers 54 are machined into a second inclined surface with a forward-leaning lower portion, and the second inclined surface is parallel to the first inclined surface. A second guide roller is fixed to the rear end of each of the two second transmission rollers 51. There is a gap between the first guide roller and the second guide roller. When the second conveyor belt 21 is running, the needle 25 moves smoothly through the gap. The front end of the second guide roller is machined into a fourth inclined surface with the lower part tilted forward. The outer ends of the two second guide rollers are surrounded by a second auxiliary conveyor belt 53. The second conveyor belt 21 is fixed between the inclined transmission belt 52 and the second auxiliary conveyor belt 53. This design makes the lower part of the second conveyor belt 21 tilt forward compared to the upper part. That is, the needle 25 on the lower side is located in front of the needle 25 on the upper side, so that the needles 25 on the upper and lower sides are staggered in the lateral position.

[0035] The pushing mechanism 6 is provided with two, two pushing mechanisms 6 are respectively arranged on the upper and lower sides of the movable puncture assembly 2, and the lower pushing mechanism 6 is arranged on the front side of the upper pushing mechanism 6. A plurality of equidistantly arranged lower through grooves are formed on the supporting plate 5, at this time, the supporting plate 5 plays the same role as the stripping plate 4, and the lower through grooves are the same size as the upper through grooves 41. The lower through grooves are arranged on the front side of the upper through grooves 41, and the lower through grooves are correspondingly arranged with the plurality of lower side needle 25.

[0036] By operating two pushing mechanisms 6, the upper side needle 25 on the movable puncture assembly 2 is pushed downward, and the lower side needle 25 is pushed upward. The upper and lower side needles 25 respectively pass through the upper through grooves 41 on the stripping plate 4 and the lower through grooves on the supporting plate 5 to puncture the non-woven fabric on the supporting plate 5, realizing the function of double-sided puncture.

[0037] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A nonwoven needle punching device comprising a power mechanism (1), characterized in that: The power mechanism (1) is provided with a movable puncture assembly (2) at the front end, an auxiliary mechanism (3) is fixed at the front end of the movable puncture assembly (2), and a pushing mechanism (6) is arranged on the upper side of the movable puncture assembly (2). The movable puncture assembly (2) comprises a second conveying belt (21), a support plate (5) and a stripping plate (4) are arranged inside the second conveying belt (21), the stripping plate (4) is fixedly arranged on the upper portion of the support plate (5), a plurality of needle (25) are arranged on the second conveying belt (21) at equal intervals, and the needle (25) is arranged outside the support plate (5) and the stripping plate (4); the pushing mechanism (6) is arranged on the upper side of the needle (25). At least two upper through grooves (41) are formed in the stripping plate (4), the positions of the corresponding needle (25) of the at least two upper through grooves (41) are opposite, and the lower end of the stripping plate (4) is fixedly connected with the support plate (5) through two support columns. The power mechanism (1) comprises two second transmission rollers (51), the front end faces of the two second transmission rollers (51) are both processed into first inclined faces, first guide rollers are fixed at the front ends of the two second transmission rollers (51), the outer ends of the two first guide rollers are wrapped around an inclined transmission belt (52), the auxiliary mechanism (3) comprises two third transmission rollers (54), the rear end faces of the two third transmission rollers (54) are both processed into second inclined faces, the second inclined faces are arranged in parallel with the first inclined faces, second guide rollers are fixed at the rear ends of the two second transmission rollers (51), and the outer ends of the two second guide rollers are wrapped around a second auxiliary conveying belt (53); the second conveying belt (21) is fixed between the inclined transmission belt (52) and the second auxiliary conveying belt (53). The pushing mechanism (6) is provided with two, the two pushing mechanisms (6) are arranged on the upper and lower sides of the movable puncture assembly (2), respectively, the lower pushing mechanism (6) is arranged on the front side of the upper pushing mechanism (6), a plurality of lower through grooves are formed in the support plate (5) at equal intervals, the lower through grooves are the same in specification as the upper through grooves (41), the lower through grooves are arranged on the front side of the upper through grooves (41), and the lower through grooves are arranged in correspondence with the plurality of needle (25) on the lower side.

2. A needle punching apparatus for nonwoven fabric according to claim 1, wherein: A plurality of circular holes are formed in the second conveying belt (21) at equal intervals, and a fixed ring (22) is fixed inside each of the circular holes; the needle (25) penetrates through the fixed ring (22), an inner limiting plate (26) is fixed to the annular outer end of the needle (25), the inner limiting plate (26) is slidably arranged inside the circular hole, the end faces of the inner limiting plate (26) and the fixed ring (22) on the inner side of the second conveying belt (21) are attached, a spring (23) is arranged on the annular outer end of the needle (25), an outer limiting plate (24) is fixed to the side of the needle (25) away from the second conveying belt (21), and the spring (23) is arranged between the outer limiting plate (24) and the fixed ring (22).

3. A needle punching apparatus for nonwoven fabric according to claim 1, wherein: The pushing mechanism (6) comprises a pressure push plate (61) and an electric cylinder (62), the piston rod lower end of the pressure push plate (61) is fixed with the electric cylinder (62), and the electric cylinder (62) is arranged on the upper side of the needle (25).

Citation Information

Patent Citations

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