Needle machine for geotextile production
By pushing the installation cylinder with a pusher plate, the needles move downwards. Combined with the design of the limiting plate and the inclined slide, the vertical and circumferential winding of the fiber web is achieved, which solves the problems of low needle punching efficiency and weak entanglement in the existing technology, and improves the efficiency and quality of geotextile production.
Patent Information
- Application Number
- CN202520363663.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-04
AI Technical Summary
In existing geotextile production, needle punching efficiency is low and entanglement is not strong enough. The existing methods are also limited, resulting in low work efficiency.
A push plate is used to push the mounting cylinder to move the needle downwards. The needle can be wound vertically and circumferentially through the cooperation of a limiting plate and an inclined slide. The plane bearing reduces friction and improves rotational stability.
It improves the efficiency of needle punching and the strength of entanglement, and enhances the entanglement effect of the fiber web.
Smart Images

Figure CN223813598U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a needle machine technical field, concretely is a needle machine for geotextile production. BACKGROUND
[0002] The needle machine is a kind of equipment that fiber is gathered together by the method of mechanical needling. Fiber web is repeatedly punctured by needle with triangular or other shape cross section and hook on edge. Geotextile production needs to use needle machine.
[0003] The existing mode is generally through the vertical movement of reciprocating needle, and the fiber web is hooked and wound in vertical direction by hook, and the winding and knotting mode is single, the needle is not solid enough, and the needle working efficiency is low. UTILITY MODEL CONTENT
[0004] In view of the above insufficient of prior art, the utility model provides a needle machine for geotextile production, fiber web is punctured by the downward movement of needle driven by push plate pushing installation cylinder, the rotating plate at the bottom of limiting plate is in contact with the upper surface of fixed plate, with the continuous descent of installation cylinder, the needle is not moved in vertical direction, under the limiting action of inclined sliding groove in the cylinder cavity of installation cylinder, the needle rotates, realizes the winding of fiber web in vertical and circumferential direction, improves the efficiency of needle working and the solidity of entanglement.
[0005] In order to realize the above object, the utility model is realized by the following technical scheme: a needle machine for geotextile production, including door type board, cylinder, push plate, multiple installation cylinders, multiple needles, fixed plate and conveying mechanism, the cylinder is at least two, and is arranged at the top of door type board, and the telescopic end of cylinder is movably penetrated in door type board and is fixedly connected with the upper surface of push plate, the installation cylinder is designed as bottom opening in cylinder cavity, and multiple installation cylinders are evenly arranged on the lower bottom surface of push plate, multiple needles are movably inserted into the cylinder cavity, the inner wall of cylinder cavity is provided with inclined sliding groove, multiple needles are provided with sliding block on the upper end, the sliding block is slidably connected with sliding groove, the end face of needle upper end is provided with compression spring between the top of cylinder cavity, the conveying mechanism is horizontally arranged at the bottom of door type board, and can convey the fiber web to be punctured, the fixed plate is fixedly connected with door type board at both ends, and the fixed plate is located above the conveying mechanism, and the position corresponding to needle is provided with limiting hole on the fixed plate, the needle is movably penetrated in limiting hole, the limiting plate is arranged at the center position of needle, and the limiting plate is located above the fixed plate and the lower bottom surface of fixed plate is smoothly treated.
[0006] Preferably, the lower bottom surface of the fixed plate is provided with a plain bearing, and a rotating plate is rotatably arranged through the plain bearing.
[0007] Preferably, the bottom of the barrel cavity of the mounting barrel is provided with a limiting ring, the lancet penetrates the limiting ring and can vertically move and rotate in the limiting ring.
[0008] Preferably, the mounting barrel and the lower bottom surface of the push plate are detachably connected.
[0009] The utility model provides a needle -punching machine for geotextile production has the following beneficial effects:
[0010] 1. The utility model discloses a push plate pushes the mounting barrel and drives the lancet to move down and carries out needle -punching to the fiber web, and the rotating plate of the bottom of the limiting plate contacts the upper surface of the fixed plate, along with the continuous descent of the mounting barrel, the lancet is immobile in the vertical direction, under the limiting effect of the inclined chute in the barrel cavity of the mounting barrel, the lancet rotates, realizes the winding of the fiber web in the vertical and circumferential direction, improves the efficiency of needle -punching work, and improves the solidity of entanglement.
[0011] 2. The utility model discloses that the bottom of limiting plate is provided with rotating plate through plane bearing rotation, when rotating, reduce the friction between the upper surface of fixed plate, guarantee the stability of rotation, and the bottom of the barrel cavity of the mounting barrel is provided with the limiting ring that cooperates with the vertical and rotation sliding of the lancet. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 It is the front view schematic drawing of the utility model a kind of needle -punching machine for geotextile production before needle -punching of lancet;
[0013] Fig. 2 It is the front view schematic drawing of the utility model a kind of needle -punching machine for geotextile production after needle -punching of lancet;
[0014] Fig. 3 It is the front view schematic drawing of the utility model a kind of needle -punching machine for geotextile production after rotation of lancet.
[0015] In the drawing: 1, door type board;2, fiber web;3, fixed plate;4, rotating plate;5, limiting plate;6, limiting ring;7, sliding slot;8, barrel cavity;9, push plate;10, cylinder;11, compression spring;12, sliding block;13, mounting barrel;14, plane bearing;15, rotating plate;16, limiting hole;17, lancet;18, conveying mechanism. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0017] AsFigs. 1-3 As shown in the figure, a needle punching machine for geotextile production comprises a door-shaped plate 1, a plurality of air cylinders 10, a push plate 9, a plurality of mounting barrels 13, a plurality of needles 17, a fixed plate 3 and a conveying mechanism 18, the air cylinders 10 are at least two, and are arranged at the top of the door-shaped plate 1, the telescopic end of the air cylinder 10 is movably penetrated through the door-shaped plate 1 and is fixedly connected with the upper surface of the push plate 9, the mounting barrel 13 is internally provided with a barrel cavity 8 and is designed to be open at the bottom, the plurality of mounting barrels 13 are uniformly arranged on the lower bottom surface of the push plate 9, the upper end of the plurality of needles 17 is movably inserted into the barrel cavity 8, the inner side wall of the barrel cavity 8 is provided with an inclined chute 7, the upper end of the plurality of needles 17 is provided with a sliding block 12, the sliding block 12 is slidably connected with the chute 7, a compression spring 11 is arranged between the end surface of the upper end of the needle 17 and the top of the barrel cavity 8, the conveying mechanism 18 is horizontally arranged at the bottom of the door-shaped plate 1 and can convey the fiber web 2 to be punched, the fixed plate 3 is horizontally designed and fixedly connected with the door-shaped plate 1 at both ends, the fixed plate 3 is located above the conveying mechanism 18, and a limiting hole 16 is arranged on the fixed plate 3 at a position corresponding to the needle 17, the needle 17 is movably penetrated through the limiting hole 16, a limiting plate 5 is arranged at the central position of the needle 17, the limiting plate 5 is located above the fixed plate 3 and the lower bottom surface of the fixed plate 3 is treated to be smooth, a plane bearing 14 is arranged on the lower bottom surface of the fixed plate 3, and a rotating plate 154 is rotatably arranged through the plane bearing 14, a limiting ring 6 is arranged at the bottom of the barrel cavity 8 of the mounting barrel 13, the needle 17 is penetrated through the limiting ring 6 and can vertically move and rotate in the limiting ring 6, and the mounting barrel 13 and the lower bottom surface of the push plate 9 are detachably connected.
[0018] The detailed connection means is a known technology in the art, and the working principle and process are mainly introduced as follows:
[0019] The specific structure and shape of the conveying mechanism 18 and the needle 17 in the utility model can be achieved by using the prior art. The drawings in the utility model specification only show the local part, and the installation structure of the needle 17 at other positions is the same as that recorded in the specification and the drawings in the specification.
[0020] According to the drawings in the specification Figs. 1-3 It can be known that, in use, the fiber web 2 is conveyed on the conveying mechanism 18, the telescopic end of the air cylinder 10 reciprocatingly stretches and shrinks to drive the push plate 9 to move up and down, thereby driving the needle 17 installed on the mounting barrel 13 to punch the fiber web 2. Specifically, the push plate 9 drives the mounting barrel 13 to move downward, since the upper end of the needle 17 is penetrated into the barrel cavity 8 and is extruded by the compression spring 11, the needle 17 moves downward together with the mounting barrel 13 and is inserted into the fiber web 2. Here, the force of the compression spring 11 is much greater than the resistance of the fiber web 2 to the needle 17, after the needle 17 is inserted into the fiber web 2, the lower bottom surface of the limiting plate 5 at the central position of the needle 17 is in contact with the upper surface of the fixed plate 3, like Fig. 2 Fig. 3As shown, with the installation cylinder 13 continuing to move downward, due to the needle 17 active insertion cylinder cavity 8, the upper end is connected with the sliding block 12 and the inclined sliding groove 7 of the inner wall of the cylinder cavity 8, therefore, under the action of the limiting plate 5, the needle 17 cannot continue to move downward, the sliding block 12 slides in the sliding groove 7, the needle 17 can rotate, because the bottom of the limiting plate 5 is smooth, therefore, the resistance when the needle 17 rotates is reduced, at this time, the compression spring 11 is compressed. After the needle 17 rotates, the extension end of the air cylinder 10 moves upward to drive the push plate 9 and the installation cylinder 13 to move upward, the force of the compression spring 11 makes the needle 17 rotate away from the fiber web 2 at the same time, and returns to the initial position, completes a needle punching, and so on. The utility model discloses a push plate 9 drives the installation cylinder 13 to drive the needle 17 to move downward to the fiber web 2 for needle punching, the bottom of the limiting plate 5 and the upper surface of the fixed plate 3 are smooth contact, with the continuous descent of the installation cylinder 13, the needle 17 is not moved in the vertical direction, under the limiting action of the inclined sliding groove 7 in the cylinder cavity 8 of the installation cylinder 13, the needle 17 rotates, realizes the vertical and circumferential direction winding of the fiber web 2, improves the efficiency of needle punching work, and improves the solidity of entanglement.
[0021] Wherein, the fixed plate 3 lower bottom surface is provided with plane bearing 14, and is provided with rotating plate 154 through plane bearing 14 rotation, further reduce the resistance when the needle 17 rotates.
[0022] Wherein, the bottom of the cylinder cavity 8 of the installation cylinder 13 is provided with limiting ring 6, the needle 17 penetrates limiting ring 6 and can move vertically and rotate in limiting ring 6, guarantee the stability of needle 17 when working.
[0023] Wherein, the installation cylinder 13 and the lower bottom surface of the push plate 9 are detachably connected, guarantee that the connection between the needle 17 and the installation cylinder 13 can be quickly disassembled and replaced after being damaged, can be connected and fixed by using angle steel and screw.
[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A needle punch machine for geotextile production, characterized by, The utility model relates to a needle cylinder type needle punching machine, including door type board (1), cylinder (10), push plate (9), a plurality of installation cylinder (13), a plurality of needle (17), fixed plate (3) and conveying mechanism (18), the cylinder (10) is at least two, and is arranged at the top of door type board (1), and the telescopic end of cylinder (10) is active and is penetrated in door type board (1) and is connected with the upper surface of push plate (9) fixedly, and installation cylinder (13) is built -in cylinder cavity (8) and is designed to open at the bottom, and a plurality of installation cylinder (13) is evenly arranged in the lower bottom surface of push plate (9), and a plurality of needle (17) upper end is active and inserted into cylinder cavity (8), and the inner wall of cylinder cavity (8) is provided with inclined chute (7), and a plurality of needle (17) upper end is provided with sliding block (12), and sliding block (12) is connected with chute (7) slidingly, and the end face of needle (17) upper end is provided with compression spring (11) between the top of cylinder cavity (8), and conveying mechanism (18) is horizontally arranged at the bottom of door type board (1), can carry out conveying to the fiber web (2) of being carried out needle punching, the fixed plate (3) horizontal design both ends are fixedly connected with door type board (1), and fixed plate (3) is located above conveying mechanism (18), and fixed plate (3) is provided with limiting hole (16) on the position corresponding needle (17), and needle (17) is active and penetrated in limiting hole (16) mouth, and needle (17) center position is provided with limiting plate (5), and limiting plate (5) is located above fixed plate (3) and the lower bottom surface of fixed plate (3) is smooth.
2. The needle punching machine for geotextile production according to claim 1, characterized in that, The lower bottom surface of the fixed plate (3) is provided with a plain bearing (14), and a rotating plate (15) (4) is rotatably arranged through the plain bearing (14).
3. The needle punching machine for geotextile production according to claim 1, characterized in that, The bottom of the cylinder cavity (8) of the installation cylinder (13) is provided with a limiting ring (6), and the needle (17) penetrates the limiting ring (6) and can move vertically and rotate in the limiting ring (6).
4. The needle punching machine for geotextile production according to claim 1, characterized in that, The installation cylinder (13) and the lower bottom surface of the push plate (9) are detachably connected.