35results about "Needling machines" patented technology

The utility model relates to a needling machine technical field especially, more particularly to a needle -pricking machine of convenient loading and unloading needle, its technical scheme includes base, waste groove, fender and electric telescopic handle, the top front of base is fixedly installed with second side plate, and the top back of base is fixedly installed with first side plate, the top of first side plate and second side plate is fixedly installed with top plate, the top of base is fixedly installed with waste groove, the left side and the right side of base are fixedly installed with fender, the utility model discloses the inside installation of magnet in the protective curtain, through the mutual exertion of magnetic force between magnet and magnetite, make protective curtain close or far from the movement of mounting bracket, further make protective curtain swing frequently on the side of mounting bracket, and contact with the cloth surface transmission of driving roll, make cloth before needle -pricking processing and after needle -pricking processing, can remove the residue attached to cloth surface to guarantee the quality of device for cloth needle -pricking processing.

The utility model belongs to the needling machine technical field especially relates to a kind of needle punching machine with fixed-point dust removal, including rack, motor one, mounting bracket one, motor two, mounting bracket two, driving shaft, driven shaft, conveyer belt and winding roller, mounting bracket one is fixedly connected to the right side of rack, motor one is installed in mounting bracket one top, mounting bracket two is fixedly connected to the right side of rack, motor two is installed in mounting bracket two top, driving shaft is connected in motor two output end, driven shaft is installed in the inside of rack, conveyer belt is sleeved in the outer surface of driving shaft and driven shaft, winding roller is connected in motor one output end, rack top is provided with positioner, including moving frame, slide rail, rack, slide bar, positioner motor, connecting shaft, gear, connecting block and sliding slot.The needle punching machine with fixed-point dust removal, through moving frame, slide rail, rack, slide bar, positioner motor, connecting shaft, gear, connecting block and sliding slot moving device, cleaning cylinder, fixed cylinder, cleaning motor and dust removal brush cooperate dust removal.

The invention relates to a method for manufacturing an inner lining from a sandwich structure, the method comprising: producing a web (20) whose fibres (15) form an average angle (a) with respect to the longitudinal direction (X); passing the web (20) through a tacking system (28); passing the web (20) on a conveyor (34) provided with brushes; depositing a first pre-needled layer (38) of fibres (17) on the accumulated undulations; combining the accumulated undulations with the first pre-needled layer (38) by needle punching; combining the structure with a second pre-needled layer (38') of fibres (17') in order to obtain a sandwich structure (12A); and separating the sandwich structure (12A) in order to obtain two symmetrical velvet coverings (12, 12'). The web (20) is a carded web whose average angle (a) is between 5 and 10° and whose areal density is between 80 g / m 2 and 120 g / m 2 The method comprises longitudinally stretching the web 20 at a draw ratio between 1.5 and 2.

The invention relates to a consolidation plant (1) for consolidating a textile web (2), comprising a conveyor belt (3) for transporting the web (2) between two plant components for the production or processing of the textile web (2), comprising at least one nozzle bar (4a, 4b, 4c) which is designed to consolidate the web (2) by means of water jets (6) under high pressure, characterized in that a movable device (8) is arranged between the nozzle bar (4a, 4b, 4c) and the web (2), which is designed to interrupt the water jets (6).

A substrate for use in creating a nonwoven textile from fibers is provided. The substrate includes a base and a plurality of spaced apart flexible bristles coupled to the base and extending upwardly from the base. A system for constructing a nonwoven textile is also provided. The system includes a needle-punch tool with one or more needles, and one or more actuators that move the needle-punch tool in an x-y plane and reciprocate the needle-punch tool, the one or more needles or any combination thereof in an x-y direction. The system further includes a substrate configured to support fibers in a position to be engaged by the needles when the needle-punch tool, the needles, or any combination thereof is reciprocated in the z-direction, wherein the substrate comprises a base and a plurality of spaced apart flexible bristles coupled to the base and extending upwardly from the base.

This utility model discloses a water needle plate structure for spunlace nonwoven fabric, relating to the field of nonwoven fabric production technology. A connecting plate is installed at the end face of the upper surface of the sheet material. A guide positioning block is connected to the upper surface of the connecting plate, and an adsorption magnetic block is disposed inside the guide positioning block. A protective groove is formed on the upper surface of the sheet material, and a needle plate is installed inside the protective groove. Water needle holes are formed on the upper surface of the needle plate. Screws are symmetrically arranged on both sides of the sheet material. A moving groove is formed inside the protective groove. A moving plate is disposed at one end of the screw inside the protective groove, and a positioning rod is inserted through the outer side of the moving plate. Rotation of the screw causes the moving plate to move inside the moving groove. During movement, the positioning rod penetrating the outer side of the moving plate moves towards the needle plate and embeds into the limiting hole, thus installing the needle plate inside the protective groove.

The application discloses a needling forming process of an alumina fiber needle punched refractory fiber blanket, and belongs to the field of ceramic fiber refractory materials. The process comprises two kinds of needle holes distributed on the whole blanket surface. The first needle holes are unevenly arranged on the blanket surface, and a plurality of integral regular distribution aggregation areas exist. The second needle holes are also unevenly distributed on the non-aggregation areas of the first needle holes. According to the needle punching process principle, the tensile strength and the peeling strength of the needle punched blanket are a pair of contradictory bodies in the control process, and the surface pressure and other characteristics of the needle punched blanket. On the basis of selecting the same fiber raw material and the feeding amount, the larger the volume of the needle and the more the quantity, the stronger the entanglement and friction with the single layer of fibers, and the stronger the tensile strength and the peeling strength. However, at this time, the corresponding surface pressure is lower, the volume density is uniformly distributed, and the long-term use stability is good.

The invention relates to a reinforcing device (1) for reinforcing a textile fabric web (2), having a conveyor belt (3) for conveying the fabric web (2) between two device components for producing or processing the textile fabric web (2), having at least one nozzle bar (4a, 4b, 4c), the nozzle bar (4a, 4b, 4c) is designed to reinforce the fabric web (2) by means of a water jet (6) under high pressure, characterized in that a movable device (8) is arranged between the nozzle bar (4a, 4b, 4c) and the fabric web (2), said movable device being designed to interrupt the water jet (6).

The utility model relates to a needling machine technical field, concretely is a kind of intelligent needling machine convenient to needle cleaning and replacement, including fixed frame, the left and right sides of fixed frame are all set with through slot, the front side of fixed frame is set with operating slot, the inside fixed connection of through slot has pneumatic push rod, the top fixed connection of pneumatic push rod has supporting plate, the top of supporting plate is set with limit slot, the inside of limit slot is connected with needle plate, the two corners of supporting plate are all screw connection with fixed screw.The utility model's advantage lies in: two hands are put into the inside of handle slot and can pinch needle plate, handheld needle plate can be pulled out from the inside of limit slot, and needle plate can be quickly disassembled in the mode of insertion, it is convenient to quickly complete the cleaning of subsequent needle plate or the work of replacing needle, the connecting screw of disassembly side plate can separate with needle plate, handheld side plate lifts up batten, batten can push up lint between needle simultaneously, it is convenient to clean lint subsequently.

The utility model discloses an adjustable interval's needling plate mechanism of intelligent needling machine relates to needling machine technical field, including machine body frame, the inside fixed mounting of machine body frame has slide rail, the inside installation of slide rail department has the movable mounting bracket, the bottom fixed connection of mounting bracket has slide rail no.

The utility model discloses a kind of needle loom for implanting piece-mounted fiber, belong to textile equipment technical field, including rack, two electric push rods are fixed in rack, the output end of two electric push rods is commonly fixed with socket board, socket board is internally provided with slot, needle plate for carrying out needle punching treatment to cloth is slidably inserted in slot, the end of socket board is provided with connecting assembly, the top of socket board is provided with the clamping assembly that will needle plate be limited;The utility model is hung on socket board by connecting assembly after turning over needle plate, to facilitate the replacement of needle on needle plate, also reduce the difficulty and workload of artificial maintenance, while effectively shorten the downtime maintenance time, let production be able to restore rapidly, guarantee production continuity;When needle plate is inserted in socket board, needle plate is locked by the clamping assembly set, so that needle plate can be quickly installed into socket board, further improve the maintenance efficiency of needle plate.

The utility model discloses a needle plate clamping mechanism of double main shaft swing wall type needle loom, including needle beam and needle plate, the bottom fixed mounting of needle beam has two L type frames, and the needle plate is clamped in two L type frames, and the top of needle plate in two L type frames is pressed and closed with the pressing plate, and the top fixed mounting of pressing plate has trapezoidal seat, and the top fixed mounting of needle beam has mounting seat, and the two -way screw rod is rotatably connected in mounting seat, and two sliding seats are threadedly sleeved on two -way screw rod. The needle plate clamping mechanism of double main shaft swing wall type needle loom can drive the pressing plate to the needle plate and press tightly fixed in the mode of trapezoidal seat extrusion by compression roller, and it is convenient and fast, avoids the problem that the traditional air bag clamping mechanism is susceptible to aging and air leakage in the long -term use process, influences the normal installation and use of needle plate, and simultaneously, the equipment can not only press tightly to the top of needle plate in the clamping process, but also can limit the both sides of needle plate, thereby further improve the stability after needle plate installation and fixed.

A method for forming a porous hydropatterned nonwoven fabric, comprising: forming a nonwoven batt of continuous spunmelt fibers; calendaring the nonwoven batt to form a fully bonded precursor nonwoven fabric having a regular bonded pattern defining individual bonded impressions and non-bonded areas between the individual bonded impressions, the regular bonded pattern having a bonded area percentage of 10% to 25%; and hydraulically imparting a plurality of holes into the fully bonded precursor nonwoven fabric, the method comprising hydrostatically treating the fully bonded precursor nonwoven fabric with multiple water jets as the fully bonded precursor nonwoven fabric passes over a plurality of pins.

This invention relates to the technical field of composite material preparation and discloses a method for needle-punching preforms. The method specifically includes the following steps: obtaining the cross-sectional contour information of the preform; dividing the cross-sectional contour into multiple cells; generating multiple needle-punching points in each cell; and needle-punching the preform according to the positions of the multiple needle-punching points. The needle-punching method for preforms of this application can improve the uniformity of fiber density within the preform and improve the finished quality of the preform.

The present invention discloses an integrated braiding and needle punching preform forming method, comprising the following steps: arranging gripping devices at both ends of a braiding machine, allowing a mandrel to move in a certain direction along the axis of the braiding machine while forming a first layer of fabric on a surface of the mandrel; then laying felt on top of the first layer of fabric by using an automatic felt laying device, and employing a needle punching device to perform pre-needle punching on the felt layer to ensure the felt adheres to the braided fabric surface; restarting the braiding machine, moving the mandrel in an opposite direction while forming a second layer of fabric on a surface of the felt; repeating the above steps to achieve multiple layers of braided fabric and felt in alternate adhesion; finally, performing main needle punching on the preform by using the automatic needle punching device to further enhance the Z-direction reinforcement of the preform. The present invention provides a preform forming device for implementing the integrated braiding and needle punching preform forming method.

Plant and method for producing a fluid jet needled fibrous web (20) from at least one fibrous suspension (11), wherein the fibrous suspension (11) is applied to a screen belt (14) of an inclined screen former (10) forming a fiber web (13), which rotates around a screen suction roller (35) in a rotational direction, the fiber web (13) is acted upon with fluid jets by means of nozzle bars (48, 49) as it rotates around the screen suction roller (35), and fluid is extracted by means of at least one vacuum zone (38, 39) provided within a roller shell (36) of the screen suction roller (35).

This invention provides a method for manufacturing a water-entangled nonwoven fabric that is less prone to water flow marks. [Solution] A laminate is prepared by laminating paper made of ultrafine short fibers and a pique knit fabric made of yarn. The pique knit fabric used has three courses 10 in which only loops exist, and on both sides of the wale direction of these three courses 10, there is a first course 11 in which tucks and loops alternately exist in the course direction, and a second course 12 in which loops and tucks alternately exist in the course direction. The positions of tuck 1 and loop 2 in the first course 11 and the second course 12 are offset by one stitch in the weft. The laminate is passed through a high-pressure water jet spray device and a water flow is applied to entangle the ultrafine short fibers with each other and with the pique knit fabric to obtain a water-entangled nonwoven fabric.

A needle array (30) suitable for perforating a fibrous preform includes a backplate (32) and a plurality of needles (26) individually removably attached to and extending away from the backplate (32). Each of the plurality of needles (26) includes a bundle (14) of ceramic filaments, a metallic sheath (20) surrounding a first end of the bundle (14) abutting the backplate (32), and a sharpened point (24) on the second end of the bundle (14), the second end being oppositely disposed from the first end.

The invention relates to a method for producing a three-dimensional floor covering, boot or trunk covering or load compartment covering for motor vehicles, the carpet surface of said covering, on the visible face, having a needle-punched structure. The invention also relates to the coverings as such.

A needle board structure (10) for needle-punching machines (100), having a flat shape with a predetermined thickness (11) and comprising a plurality of holes (20) each designated to receive the body (31) of a needle-punching needle (30). The needle board (10) further comprises: a first face (40) configured to receive angled butts (32) of the needles (30); a second face (50) opposite the first face (40). The first face (40) is defined by a first rigid layer (41), and the second face (50) is defined by a second rigid layer (51). The holes (20) pass through the first and second rigid layers (41,51) with a nominal diameter (24) equal to the diameter (34) of the body (31) of the needles (30) that the holes (20) are configured to accommodate. Between the first and second rigid layers (41,51) is a compression-rigid intermediate layer (60) spanned by the holes (20), the compression-rigid intermediate layer (60) comprises a compression-rigid expanded material (61) with densities between 30 kg / m3 and 900 kg / m3, preferably between 35 and 600 kg / m3, and even more preferably between 40 and 300 kg / m3. The expanded material (61) has a compressive modulus in the elastic range greater than 30 MPa and a compressive strength greater than 400 kPa. The invention also includes a needle-punching machine (100) using such a needle board (10), and a method of manufacturing such a needle board (10).

The utility model relates to textile machinery technical field especially, more particularly to a needle -punching machine convenient to replace needle head, its technical scheme includes base and top cap, the top front of base is installed with front shell, and the top back of base is installed with rear shell, the back of front shell and the front of rear shell all are fixedly installed with support frame, the top of support frame is installed with top cap, the both sides of bottom of top cap are insertedly installed with gasket, and the bottom of gasket is provided with a plurality of buffer sheets. The utility model discloses through installing top cap on the top of support frame, can through the integral dismounting of telescopic link, mounting plate and needle plate to top cap, and then when needing to replace needle plate, can quickly take out needle plate from the inside of equipment, after replacing needle plate, again whole installation top cap and its surrounding components on the top of support frame makes the device return to original shape, improves the convenience of device when maintaining and replacing spare parts.

This invention discloses a device, method, and application for preparing a ring-shaped composite preform, belonging to the field of fiber composite material technology. It includes n first unit layers and m second unit layers stacked along the thickness direction, where n > 1 and m ≥ 0. Each first unit layer is composed of alternating layers of short fibers and long fibers. The long fiber layers include a first long fiber layer and a second long fiber layer, which are arranged alternately along the stacking direction of the long fiber layers, with the fiber directions of the first and second long fiber layers forming an angle of 30°–90°. The second unit layer is a highly thermally conductive carbonaceous layer. The layers are connected by needle punching to form a columnar structure. The device uses a slow-descent mandrel and a pressure die disc to compress and limit the preform material layers, enabling multi-layer needle punching. The needles between the layers are adjustable circumferentially, improving the utilization rate and processing efficiency of the brake disc preform raw materials.

Described is a composite made from a woven fabric, a non-woven fabric, or a knitted face fabric and a non-woven fabric. The woven fabric, the non-woven fabric, or the knitted face fabric is needle punched such that fibers protrude into the non-woven fabric. The woven fabric, the non-woven fabric, or the knitted face fabric has a first polymer having a first melting point and a second polymer having a second melting point being higher than the first melting point. The nonwoven backing material comprises a third polymer having a third melting point and a fourth polymer having a fourth melting point being higher than the third melting point. The woven fabric, the non-woven fabric, or the knitted face fabric is further bonded to the nonwoven backing material applying heat to at least partially melt or soften the first polymer and the third polymer such that they bond together.

The utility model relates to integrated non - woven fabric production's wet tissue production facility, including non - woven fabric production device and wet tissue production device, and non - woven fabric production device includes melt pulp pool, beating -up machine, net -laid machine and water jet loom, and wet tissue production device includes cutting device, folding machine and setting in the packing machine of folding machine downstream, and the non - woven fabric that forms through water jet loom is handled after cutting device, folding machine and enters packing machine, and non - woven fabric production device still includes the melt pulp pool wet tissue solution filling device for injecting wet tissue solution into melt pulp pool, and non - woven fabric production device still includes the water jet loom wet tissue solution liquid supply device for providing wet tissue solution to the water jet loom water jet nozzle. The utility model has solved the prior art non - woven fabric raw material production and wet tissue finished product production each other independence and lead to the non - woven fabric roll to need the transfer between two places and can increase the technical problem of wet tissue manufacturing cost, and the non - woven fabric water jet needs to carry out drying in the prior art, not only energy -consuming and can cause the technical problem of water resource waste.

To provide a gripping material for an exhaust gas purification device that can suppress the detachment of the catalyst support from the casing. [Solution] The gripping material for the exhaust gas purification device comprises an inorganic fiber molded body composed of inorganic fibers and does not contain a binder. The inorganic fiber molded body has needle marks extending in the thickness direction, and in the needle marks there are warp threads made of the inorganic fibers extending in the thickness direction. Needle mark density: 8.0–18.0 marks / cm² 2 And, The number of effective warp threads is 2.8 to 6.0 threads / cm 2 And, The effective warp threads refer to all warp threads that protrude from one peeled surface and the other peeled surface within a 50 mm x 50 mm area when the peeling method described below is performed, and which have a diameter of 100 μm or more and a protruding length of 2 mm or more.