High-flexibility non-woven fabric spunlace mechanism and spunlace machine

Abstract

The utility model discloses a high-flexibility non-woven fabric spunlace mechanism and a spunlace machine. The high-flexibility non-woven fabric spunlace mechanism comprises a support, a spunlace head and a negative pressure rotating roller, wherein connecting parts on the two sides of the spunlace head are connected with the support, and a spunlace channel is formed between the spunlace head and the negative pressure rotating roller. Guide grooves used for forming moving tracks are formed in the two opposite sides of the support, and a guide rod is arranged on the connecting part of the spunlace head; the guide rod and the guide groove are matched with each other to form a position adjusting structure, so that the spunlace head can move on the support according to a moving track to complete installation position adjustment, and the jet flow direction of the spunlace head with the installation position adjusted points to the rotating center of the negative pressure rotating roller. According to the spunlace device, the installation position of the spunlace head can be conveniently adjusted and calibrated, the spunlace head can be perpendicular to a spunlace fiber web in the spunlace channel, the fiber web is effectively and evenly reinforced, and the softness of a spunlaced cloth body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of water jet equipment, in particular to a kind of high softness nonwoven fabric water jet mechanism and water jet machine. BACKGROUND

[0002] The application range of water jet nonwoven fabric is more and more extensive, so the performance of water jet machine used for producing water jet nonwoven fabric is also required higher and higher;Water jet machine includes rack, water jet mechanism is arranged on the rack, water jet mechanism includes negative pressure roller and water jet head, negative pressure roller is used to adsorb winding fiber web, water jet head is used to generate jet to reinforce fiber web, so that fiber in fiber web is entangled to form cloth body.

[0003] At present, the installation position of water jet head on water jet machine is fixed after water jet machine is assembled, it is difficult to adjust and calibrate water jet head, when the jet direction of water jet head is not directed to the rotation center of negative pressure roller, water jet head will be inclined to water jet fiber web, water jet jet will act too strong in part area of fiber web, and insufficient in other area, leading to uneven reinforcement of fiber web, softness of cloth body after water jet is reduced, which affects the overall quality of product. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of high softness nonwoven fabric water jet mechanism and water jet machine, the installation position of water jet head can be adjusted and calibrated, so that fiber web obtains uniform water jet reinforcement, thereby improving the softness of cloth body after water jet.

[0005] The utility model aims at realizing by the following technical scheme:

[0006] A kind of high softness nonwoven fabric water jet mechanism, including support, two side connecting portion connects the water jet head of the support, and the negative pressure roller with water jet passage being formed between the water jet head;Support is provided with guide slot for forming movement trajectory on opposite sides, and water jet head is provided with guide rod on connecting portion;The guide rod and the guide slot form position adjusting structure by mutual cooperation, so that water jet head can be moved on support according to movement trajectory to complete installation position adjustment, and the jet direction of water jet head after installation position adjustment is directed to the rotation center of the negative pressure roller.

[0007] Further, the guide slot on opposite sides of the support is provided with at least two, and is arranged with interval between guide slot;The guide rod on two side connecting portion of the water jet head is provided with at least two, and is arranged with interval between guide rod;Guide rod and guide slot are one-to-one corresponding cooperation.

[0008] Further, the guide slot is arc-shaped slot body, and guide slot is curved around the rotation center of the negative pressure roller, forming arc-shaped movement trajectory.

[0009] Further, the guide rod is in sliding fit with the guide groove and slides along the moving track formed by the arc shape of the guide groove; the guide rod is provided with a fastener for keeping fixed after the position of the water jet head is adjusted.

[0010] Further, the support frame comprises two oppositely arranged support plates and a reinforcing plate connected between the two support plates, and the guide groove is arranged on the two support plates.

[0011] A water jet machine comprises a frame, a pre-wetting mechanism, at least two high-softness non-woven fabric water jet mechanisms, and a dehydration mechanism arranged in sequence along a feeding path on the frame.

[0012] Compared with the prior art, the water jet machine has the following advantages:

[0013] (1) The guide rod and the guide groove are arranged to cooperate with each other to adjust and calibrate the installation position of the water jet head, so that the jet flow direction of the water jet head after the installation position is adjusted points to the rotation center of the negative pressure rotating roller, and the water jet head can be perpendicular to the water jet web in the water jet channel, effectively and uniformly reinforcing the web and improving the softness of the cloth after water jet.

[0014] (2) The water jet mechanism comprises at least one position adjusting structure, each water jet mechanism corresponds to complete one-stage water jet, so that the web is water jeted at least two stages, the fibers in the web can be uniformly entangled, and the water jet flow pressure of the water jet mechanism is gradually increased, so that the web can be preliminarily entangled by low-pressure jet flow to reduce the damage of the fibers in the web, and then reinforced by the water jet flow with gradually increased pressure to improve the tightness and softness of the fiber entanglement. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained in detail in combination with the drawings and specific embodiments

[0016] Figure 1 It is the structure schematic drawing of high-softness non-woven fabric water jet mechanism in embodiment one when being installed on the frame;

[0017] Figure 2 It is the structure schematic drawing of high-softness non-woven fabric water jet mechanism in embodiment one when being installed on the frame;

[0018] Figure 3 It is the structure schematic drawing of high-softness non-woven fabric water jet mechanism in embodiment one when being installed on the frame;

[0019] Figure 4 It is the structure schematic drawing of high-softness non-woven fabric water jet mechanism in embodiment one when being installed on the frame;

[0020] Labels on the drawings: 1- support, 1a- support plate, 1b- reinforcing plate, 2- negative pressure roller, 3- negative pressure machine, 4- stepping motor, 5- driving wheel, 6- driven wheel, 7- water jet head, 7a- shell, 7b- water distribution pipe, 8- water storage tank, 9- water pump, 10- connecting plate, 11- rack, 12- guide rod, 13- guide groove, 14- fastening nut, 15- pre-wetting mechanism, 16- dehydration mechanism. DETAILED DESCRIPTION

[0021] The specific embodiments of the present application are further described below with reference to the drawings. The description of these embodiments is intended to assist in understanding the present application, but is not intended to limit the present application. Furthermore, the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0022] Example one

[0023] Referring to Figures 1 to 3 , the present embodiment relates to a high-softness nonwoven fabric water jet mechanism, which comprises a support 1 for connecting a water jet machine rack 11, a negative pressure roller 2 rotatably arranged on the water jet machine rack 11, and a water jet head 7 arranged on the support 1 and located around the negative pressure roller 2, forming a water jet channel between the negative pressure roller 2 and the water jet head 7; when the negative pressure roller 2 rotates, the web is adsorbed and wound, and the web is transported along the feeding path through the water jet channel to complete water jet.

[0024] The negative pressure roller 2 is a hollow roller structure, and the negative pressure roller 2 is uniformly distributed with a plurality of negative pressure holes on the peripheral surface. A negative pressure chamber is formed in the negative pressure roller 2, and the negative pressure roller 2 is connected with an external negative pressure machine 3 through a pipeline. The internal air of the negative pressure roller 2 is extracted by the negative pressure machine 3 to form a negative pressure, and suction force is generated at the negative pressure holes on the negative pressure roller 2 to adsorb and wind the web. The axial end of the negative pressure roller 2 is drivingly connected with a power device arranged on the rack 11 through a transmission member, power is generated by the power device, and the power is transmitted to the negative pressure roller 2 through a transmission mechanism to drive the negative pressure roller 2 to rotate around the axis. In the present embodiment, the power device is a stepping motor 4, the transmission mechanism includes a driving wheel 5 arranged on the rotating shaft of the stepping motor 4, a driven wheel 6 arranged on the axial end of the negative pressure roller 2, and a synchronous belt wound between the driving wheel 5 and the driven wheel 6.

[0025] The water jet head 7 is a long strip-shaped rod structure, comprising a shell 7a, a jet hole arranged on the peripheral surface of the shell 7a, and a water distribution pipe 7b arranged in the shell 7a; the shell 7a is internally formed with a water cavity; the water distribution pipe 7b is closed at one end and connected with an external water supply device at the other end through a pipeline, and water is supplied into the water distribution pipe 7b through the water supply device; the water distribution pipe 7b is uniformly provided with a plurality of water distribution holes on the peripheral surface, so that the water can be uniformly released in the water cavity in the shell 7a, and the water pressure at each position in the shell 7a is ensured to be the same; the jet hole is a tapered hole body with a diameter gradually decreasing from the inside of the shell 7a to the outside, so as to convert the water in the water cavity into a slender water beam and shoot into the fiber web to complete water jetting; the water supply device comprises a water storage tank 8 and a water pump 9 connected with the water storage tank 8 at the input end, and the output end of the water pump 9 is connected with the input end of the water distribution pipe 7b through a pipeline; the water jet head 7 is formed with a connecting portion on both sides in the length direction of the shell 7a, so as to be connected with the support 1.

[0026] The support 1 is provided with at least one water jet head 7, and according to actual needs, the number of water jet heads 7 on the support 1 can be increased, and the water jet heads 7 are arranged at intervals along the circumferential direction of the negative pressure rotating roller 2, so as to increase the number of water jetting on the fiber web, thereby improving the tightness and softness of fiber entanglement.

[0027] The connecting portion of the water jet head 7 in the embodiment is an L-shaped connecting plate 10, which has a first flat section and a second flat section perpendicular to each other, wherein the first flat section is connected with the water jet head 7, and the second flat section is connected with the support 1; it should be noted that according to actual conditions, the connecting portion of the water jet head 7 can also be replaced by other structures suitable for connecting the support 1 in the prior art.

[0028] The support 1 comprises two oppositely arranged support plates 1a and a reinforcing plate 1b connected between the two support plates 1a; the two support plates 1a are fixedly connected to the rack 11 and located on both sides of the feeding path; the water jet head 7 is connected to the two support plates 1a through the connecting portion and located on the feeding path; the reinforcing plate 1b is used to provide fixing force to the two support plates 1a, so as to increase the stability of the support 1 and avoid shaking of the water jet head 7.

[0029] The position adjusting structure is arranged between the hydroentangling head 7 and the support 1, and is used to adjust the installation position of the hydroentangling head 7 according to the feeding path, so that the jet direction of the hydroentangling head 7 is directed to the rotation center of the negative pressure rotating roller 2, and the hydroentangling head 7 can vertically hydroentangle the fiber web in the hydroentangling channel; when the hydroentangling head 7 vertically hydroentangles the fiber web, the impact force of the hydroentangling jet is concentrated in the vertical direction, a part of fibers in the fiber web located on the surface can move vertically to the back surface of the fiber web, after the hydroentangling jet penetrates the fiber web, the fibers can be uniformly scattered to the back surface of the fiber web under the rebounding action of the negative pressure rotating roller 2, and under the double actions of the direct impact and the rebounding flow of the hydroentangling jet, the fibers can be fully entangled to form a plurality of flexible entanglement points, effectively and uniformly reinforce the fiber web, and improve the softness of the fabric after hydroentangling.

[0030] Specifically, the position adjusting structure comprises a guide rod 12 arranged at the connecting part of the hydroentangling head 7, and a guide groove 13 arranged on the support plate 1a, the guide groove 13 is used to guide the guide rod 12 on the hydroentangling head 7 to complete the installation position adjustment of the hydroentangling head 7 according to the movement track.

[0031] Through the cooperation of the guide rod 12 and the guide groove 13, the hydroentangling head 7 can move between the first position and the second position relative to the support 1 to complete the installation position adjustment; the guide groove 13 is an arc-shaped groove body, and the guide groove 13 is curved around the rotation center of the negative pressure rotating roller 2 to form an arc-shaped movement track; the two ends of the guide groove 13 are closed, one end is the first position, and the other end is the second position.

[0032] The guide rod 12 is a cylindrical rod body, and the guide rod 12 is in sliding cooperation with the guide groove 13 and slides along the guide groove 13 between the first position and the second position to complete the installation position adjustment of the hydroentangling head 7; one end of the guide rod 12 is a connecting end and is threadedly connected with the connecting part of the hydroentangling head 7, and the other end of the guide rod 12 is an extension end and extends out of the outer plate surface of the support plate 1a, and the guide rod 12 is provided with a fastener on the extension end, so that the hydroentangling head 7 can be fixed after the position adjustment.

[0033] In the embodiment, the fastener is a fastening nut 14, and the fastening nut 14 is threadedly connected on the extension end of the guide rod 12; when fastening, the inner side surface of the fastening nut 14 abuts against the outer plate surface of the support plate 1a, and the inner plate surface of the support plate 1a abuts against the outer surface of the connecting part of the hydroentangling body, so that the fixing force is formed between the inner and outer parts of the support plate 1a, thereby realizing the fixing of the hydroentangling head 7 after the position adjustment.

[0034] In order to ensure the fixing effect of the position adjustment of the water jet head 7, at least two guide grooves 13 are arranged on each support plate 1a, and the guide grooves 13 are separated by a distance, and correspondingly, at least two guide rods 12 are arranged on each connecting portion of the water jet head 7, and the two guide rods 12 are separated by a distance; in the embodiment, two guide grooves 13 are arranged on each support plate 1a, and two guide rods 12 are arranged on each connecting portion of the water jet head 7, and the guide rods 12 and the guide grooves 13 are matched one by one and fastened by the fastening nuts 14, so that two fastening points are formed on both sides of the water jet head 7 in the length direction, which effectively improves the fixing effect of the position adjustment of the water jet head 7 and avoids the position deviation under the combined action of the gravity of the water jet head 7 itself and the vibration force generated in the production process for a long time.

[0035] Embodiment two

[0036] Reference Figure 4 In the embodiment, a water jet machine is disclosed, which comprises a rack 11, a pre-wetting mechanism 15, a water jet mechanism, and a dehydration mechanism 16 arranged in sequence along a feeding path on the rack 11; the web is first pre-wetted by the pre-wetting mechanism 15, then the fibers in the web are entangled by the water jet mechanism, and finally the web is dehydrated by the dehydration mechanism 16.

[0037] The water jet mechanism is provided with at least three, and each water jet mechanism corresponds to complete one-stage water jetting to perform at least two-stage water jetting on the web, so that the fibers in the web can be uniformly entangled, and the water jetting jet pressure of the water jet mechanism gradually increases step by step, so that the web can be preliminarily entangled by low-pressure jetting to reduce the damage of the fibers in the web, and then reinforced by gradually increasing the water jetting jet pressure to improve the tightness and softness of the fiber entanglement.

[0038] In the embodiment, the water jet mechanism is provided with three, i.e., three-stage water jetting can be performed on the web; specifically, a first water jet mechanism, a second water jet mechanism, and a third water jet mechanism, the water jetting jet pressure of the three water jet mechanisms gradually increases step by step; after the web is pre-wetted by the pre-wetting mechanism 15, it is sequentially subjected to front water jetting by the first water jet mechanism, back water jetting by the second water jet mechanism, and reinforcement water jetting by the third water jet mechanism, and finally dehydrated by the dehydration mechanism 16.

[0039] In the embodiment, the three water jet mechanisms are all the high-softness non-woven fabric water jet mechanisms in embodiment one, and the water jetting in each water jet mechanism is provided with two; the pre-wetting mechanism 15 is a pre-wetting mechanism 15 suitable for pre-wetting the web in the prior art, and the dehydration mechanism 16 is a pre-wetting mechanism 15 suitable for dehydrating the web in the prior art.

[0040] The above embodiments of the utility model are not the limitation of the protection scope of the utility model, and the implementation mode of the utility model is not limited to this, and according to the above content of the utility model, according to the ordinary technical knowledge and usual means in the field, other various forms of modification, replacement or change of the above structure of the utility model are made without departing from the above basic technical thought of the utility model, and all should fall within the protection scope of the utility model.

Claims

1. A high-softness nonwoven spunlace mechanism comprising a support, a spunlace head connected to both sides of the support, and a negative pressure transfer roller forming a spunlace channel with the spunlace head; characterized in that, The support is provided with guide grooves on opposite sides for forming a moving track, and the water jet head is provided with guide rods on the connecting portions; the guide rods and the guide grooves form a position adjusting structure in cooperation with each other, so that the water jet head can move on the support according to the moving track to complete the installation position adjustment, and the jet flow direction of the water jet head after the installation position adjustment is directed to the rotation center of the negative pressure rotating roller.

2. The high-softness nonwoven hydroentanglement mechanism of claim 1, wherein, The guide grooves on the opposite sides of the support are provided with at least two, which are arranged at intervals; the guide rods on the connecting portions of the two sides of the water jet head are provided with at least two, which are arranged at intervals; the guide rods and the guide grooves are one-to-one corresponding and cooperating.

3. The high-softness nonwoven hydroentanglement mechanism of claim 2, wherein, The guide groove is an arc-shaped groove body, and the guide groove is curved around the rotation center of the negative pressure rotating roller to form an arc-shaped moving track.

4. The high-softness nonwoven hydroentanglement mechanism of claim 3, wherein, The guide rod and the guide groove are slidingly matched, and the guide rod slides along the arc-shaped moving track formed by the guide groove; the guide rod is provided with a fastener for fixing after the position adjustment of the water jet head.

5. The high-softness nonwoven hydroentangled web of any one of claims 1-4, wherein, The support comprises two oppositely arranged support plates and a reinforcing plate connected between the two support plates, and the two support plates are provided with the guide grooves.

6. A hydroentangling machine characterized by, The machine comprises a frame, and a pre-wetting mechanism, at least two high-softness non-woven fabric water jet mechanisms of claim 5, and a dehydration mechanism are sequentially arranged on the frame along a feeding path.

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