Non-woven fabric clamping device of non-woven fabric lapping machine

Abstract

According to the non-woven fabric clamping device of the non-woven fabric lapping machine, a suction nozzle, a suction nozzle support, a first swing rod, a second swing rod and the like are arranged, a rotary disc drives the second swing rod to swing eccentrically, the second swing rod drives the first swing rod and the suction nozzle to swing, and the suction nozzle swings and sucks a fiber web in a reciprocating mode. According to the lapping machine mechanism, a suction nozzle swinging in a reciprocating mode can suck the bent position of a fiber net, the fiber net can be fully attached to the bent position, and the defect that in the prior art, a lapping machine mechanism cannot effectively solve the problem that gaps appear at the bent position of the fiber net is overcome; the first swing rod and the second swing rod drive the clamping block to move on the arc groove opening in the side face of the arc groove frame, and the guide pipe penetrates through the guide pipe hole in the arc groove frame, so that the suction work and the reciprocating swing work of the suction nozzle can be carried out separately and are prevented from influencing each other; and an arc notch in the arc groove frame can play a role in supporting the movement of the first swing rod and the second swing rod, so that the movement stability of the first swing rod and the second swing rod is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a web laying machine, in particular to a non-woven fabric clamping device of a non-woven fabric web laying machine. Background Art

[0002] The web laying machine is one of the key components in the production equipment of non-woven products. It stacks single-layer non-woven fiber webs into multiple layers, and then presses them with hot rollers to fuse and bond them into a whole piece of non-woven fabric. The current mainstream web laying machine is the cross-lapper, and the web laying mechanism is its important component, including shafts, transmission systems and control devices.

[0003] Prior art CN 217418957 U discloses a cross-lapping machine, which utilizes a humidifying mechanism, a water storage tank, a placing plate and other components, and utilizes the humidifying mechanism to increase the humidity of the cotton yarn on the main body of the lapping machine to achieve the purpose of eliminating static electricity. However, when the lapping mechanism reciprocates left and right, a large gap will be formed at the turning points on both sides of the fiber web pile, which will cause the web surface to be skewed and the overall thickness of the cotton web pile to be uneven when the next layer of the web is laid, thereby reducing the quality and yield rate of the final product.

[0004] Therefore, it is necessary to improve the mesh laying machine mechanism in the prior art to solve the above problems. Summary of the invention

[0005] The utility model overcomes the shortcomings of the prior art and provides a non-woven fabric clamping device for a non-woven fabric laying machine, aiming to solve the defect that the laying machine mechanism in the prior art cannot effectively solve the problem of gaps appearing at the turning points of the fiber web.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a non-woven fabric clamping device of a non-woven fabric laying machine, comprising: a laying table, and a plurality of clamping units respectively arranged on the sides of the laying table;

[0007] Each of the clamping units comprises: a clamping base, and a negative pressure unit and a reciprocating unit respectively fixedly arranged on the clamping base; the negative pressure unit comprises: a catheter, and a suction nozzle and a suction unit respectively fixedly connected to the catheter; the suction unit is fixedly connected to the clamping base;

[0008] The reciprocating unit includes: a nozzle bracket, a first swing arm hingedly connected to the nozzle bracket, and a second swing arm hingedly connected to the first swing arm; the nozzle is rotatably connected to the nozzle bracket, the first swing arm and the second swing arm are located on the same vertical plane and parallel to the rotation plane of the nozzle, a turntable is hinged at the bottom of the second swing arm, a motor is fixedly installed on the turntable, the motor drives the turntable to rotate, and the second swing arm is eccentrically arranged on the turntable.

[0009] In a preferred embodiment of the utility model, an arc groove frame is fixedly provided on the clamping base, a clamping block is clamped on the arc groove frame, an arc groove opening is provided on the side of the arc groove frame, the clamping block is fitted with the arc groove opening, and the reciprocating unit, the suction nozzle and the catheter are all located on the same vertical plane.

[0010] In a preferred embodiment of the utility model, the clamping block is hingedly connected to the first swing rod and the second swing rod respectively, and the first swing rod and the second swing rod drive the clamping block to move on the circular arc groove of the circular arc groove frame.

[0011] In a preferred embodiment of the utility model, a catheter hole is provided on the arc groove frame, and the catheter hole is used for the catheter to pass through.

[0012] In a preferred embodiment of the present invention, the center of the circular arc notch is located on the rotation axis of the suction nozzle.

[0013] In a preferred embodiment of the utility model, the distances between a plurality of the suction nozzles located on the same side of the vertical plane of the web laying movement and the web laying table are consistent.

[0014] In a preferred embodiment of the present invention, a lifting mechanism is provided at the bottom of each clamping base, and the lifting mechanism is used to lift the clamping base.

[0015] In a preferred embodiment of the utility model, the vertical plane of the suction nozzle movement forms an acute angle with the plane of the web laying movement.

[0016] In a preferred embodiment of the utility model, the number of the clamping units is at least 4 and is an even number, and the clamping units are symmetrically distributed about the vertical plane of the web laying movement.

[0017] In a preferred embodiment of the present invention, the rotation axis of the turntable is perpendicular to the vertical plane where the first swing rod and the second swing rod are located.

[0018] The utility model solves the defects existing in the background technology, and has the following beneficial effects:

[0019] (1) The utility model provides a non-woven fabric clamping device of a non-woven fabric laying machine. Through a suction nozzle, a suction nozzle bracket, a first swing arm, a second swing arm and other components, a turntable drives the second swing arm to swing eccentrically, and the second swing arm drives the first swing arm and the suction nozzle to swing. The suction nozzle performs reciprocating swinging to absorb the fiber web. Compared with the web laying machine mechanism in the prior art, the reciprocating swinging suction nozzle can absorb the bending part of the fiber web, and can absorb and clamp the fiber web, so that the fiber web can be fully fitted at the bending part, reducing the occurrence of gaps, thereby solving the defect that the web laying machine mechanism in the prior art cannot effectively solve the problem of gaps appearing at the turning part of the fiber web.

[0020] (2) In the utility model, the first rocker arm and the second rocker arm drive the clamping block to move on the circular arc groove opening on the side of the circular arc groove frame, and the conduit passes through the conduit hole on the circular arc groove frame to prevent the conduit from affecting the movement of the first rocker arm and the second rocker arm. Compared with the prior art, the suction work and the reciprocating swing work of the suction nozzle can be carried out separately and avoid mutual influence, and the circular arc groove opening on the circular arc groove frame can support the movement of the first rocker arm and the second rocker arm, so that the first rocker arm and the second rocker arm can swing stably, thereby improving the stability of the movement of the first rocker arm and the second rocker arm.

[0021] (3) In the present invention, the number of clamping units is at least 4 and is an even number, which can perform multi-directional suction and clamping on the bending parts of the fiber web. Compared with the prior art, it can make the fiber web layers fit tightly together, prevent the fiber web from being skewed and having thickness differences, and improve the laying effect of the fiber web by the laying machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0023] Figure 1 It is a three-dimensional structural diagram of a preferred embodiment of the utility model;

[0024] Figure 2 It is a stereoscopic diagram of a clamping unit of a preferred embodiment of the utility model;

[0025] Figure 3 It is a stereoscopic diagram of a negative pressure unit and a reciprocating unit of a preferred embodiment of the utility model;

[0026] In the figure: 100, web laying table; 200, clamping unit; 210, clamping base; 220, negative pressure unit; 221, suction nozzle; 222, catheter; 223, suction unit; 230, reciprocating unit; 231, suction nozzle bracket; 232, first swing arm; 233, second swing arm; 234, arc slot frame. DETAILED DESCRIPTION

[0027] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0028] like Figure 1 As shown, a nonwoven fabric clamping device of a nonwoven fabric laying machine includes: a laying table 100, and a plurality of clamping units 200 respectively arranged on the sides of the laying table 100.

[0029] like Figure 2 and Figure 3 As shown, each clamping unit 200 includes: a clamping base 210, and a negative pressure unit 220 and a reciprocating unit 230 respectively fixedly arranged on the clamping base 210; the negative pressure unit 220 includes: a conduit 222, and a suction nozzle 221 and a suction unit 223 respectively fixedly connected to the conduit 222; the suction unit 223 is fixedly connected to the clamping base 210.

[0030] The clamping base 210 is used to carry the negative pressure unit 220 and the reciprocating unit 230, and provide a supporting carrier. The suction nozzle 221 is used to control the suction direction, and can control the clamping direction of the negative pressure suction, so that the fiber web layers can be fully fitted. The duct 222 can discharge and transport the gas sucked by the suction nozzle 221 to the suction unit 223. The suction unit 223 is the suction power source of the negative pressure unit 220, and can be an air pump, a vacuum pump or other suction equipment, etc., and has a suction function.

[0031] The reciprocating unit 230 includes: a nozzle bracket 231, a first swing arm 232 hinged to the nozzle bracket 231, and a second swing arm 233 hinged to the first swing arm 232; the nozzle 221 is rotatably connected to the nozzle bracket 231, the first swing arm 232 and the second swing arm 233 are located on the same vertical plane and parallel to the rotation plane of the nozzle 221, a turntable is hinged at the bottom of the second swing arm 233, a motor is fixedly installed on the turntable, the motor drives the turntable to rotate, and the second swing arm 233 is eccentrically arranged on the turntable.

[0032] The nozzle bracket 231 is engaged with the nozzle 221 and rotates, and can support the nozzle 221, and the rotation axis is perpendicular to the vertical plane where the nozzle 221 is located. The hinge point between the turntable and the second swing rod 233 and the fixed point between the motor and the turntable are located in different planes of the turntable. The motor is provided with a rotating shaft, which is coaxially arranged and fixedly connected with the turntable. The rotation axis of the turntable is perpendicular to the vertical plane where the first swing rod 232 and the second swing rod 233 are located.

[0033] Through the suction nozzle 221, the suction nozzle bracket 231, the first swing arm 232 and the second swing arm 233 and other components, the turntable drives the second swing arm 233 to swing eccentrically, and the second swing arm 233 drives the first swing arm 232 and the suction nozzle 221 to swing, and the suction nozzle 221 performs reciprocating swinging to absorb the fiber web, so that the reciprocatingly swinging suction nozzle 221 can absorb the bending part of the fiber web, and can absorb and clamp the fiber web, so that the fiber web can be fully fitted at the bending part, reducing the occurrence of gaps, and solving the problem that the web laying machine mechanism in the prior art cannot effectively solve the problem of gaps appearing at the turning parts of the fiber web.

[0034] The first swing rod 232 and the second swing rod 233 form a crank connecting rod structure, which pulls the suction nozzle 221 while swinging, and can drive the suction nozzle 221 to swing back and forth, and the swinging motion plane coincides with the vertical plane where the suction nozzle 221 is located. The swinging suction of the suction nozzle 221 can gradually suck the fiber web, and the setting plane of the suction nozzle 221 and the bending part of the fiber web are located in the same plane. The swinging suction can stably and steadily suck and clamp the fiber web, and can make the fiber web layers fit each other.

[0035] An arc groove frame 234 is fixedly provided on the clamping base 210, a clamping block is clamped on the arc groove frame 234, an arc groove opening is provided on the side of the arc groove frame 234, the clamping block fits with the arc groove opening, and the reciprocating unit 230, the suction nozzle 221 and the conduit 222 are all located on the same vertical plane.

[0036] The clamping block is hingedly connected to the first swing rod 232 and the second swing rod 233 respectively, and the first swing rod 232 and the second swing rod 233 drive the clamping block to move on the arc groove of the arc groove frame 234. The arc groove frame 234 is provided with a catheter hole, and the catheter hole is used for the catheter 222 to pass through.

[0037] The first swing arm 232 and the second swing arm 233 drive the clamping block to move on the arc groove opening on the side of the arc groove frame 234, and the conduit 222 passes through the conduit 222 hole on the arc groove frame 234 to prevent the conduit 222 from affecting the movement of the first swing arm 232 and the second swing arm 233, so that the suction work and the reciprocating swing work of the suction nozzle 221 can be carried out separately without affecting each other, and the arc groove opening on the arc groove frame 234 can support the movement of the first swing arm 232 and the second swing arm 233, so that the swing of the first swing arm 232 and the second swing arm 233 can be carried out stably, thereby improving the stability of the movement of the first swing arm 232 and the second swing arm 233.

[0038] The center of the arc notch is located on the rotation axis of the suction nozzle 221. The hinge point of the first swing rod 232 and the second swing rod 233 can swing while satisfying the swing trajectory of the first swing rod 232 and the second swing rod 233, playing an auxiliary supporting role for the first swing rod 232 and the second swing rod 233.

[0039] The suction nozzles 221 on the same side of the vertical plane of the web laying motion are at the same distance from the web laying table 100. This allows both sides of the fiber web to be sucked to the same extent, ensuring the consistency of the suction force, effectively ensuring the stability of the fiber web during the suction and clamping process, and reducing the possibility of fiber web deviation.

[0040] A lifting mechanism is provided at the bottom of each clamping base 210, and the lifting mechanism is used to lift the clamping base 210. The lifting mechanism can ensure that the relative horizontal positions of the suction nozzle 221 and the bending part of the fiber web are consistent, and can ensure that the fiber web can be effectively clamped during the stacking process. The lifting mechanism can be a device with position adjustment such as a cylinder, and the adjustment direction is perpendicular to the horizontal plane.

[0041] The vertical plane of the suction nozzle 221 movement forms an acute angle with the plane of the web laying movement. The function of the suction nozzle 221 can make the fiber web bend flattened toward the middle of the fiber web, and the setting of the suction nozzle 221 enables the fiber web to be flattened toward the inside. Several sensors are arranged on the web laying table 100, and the sensors can monitor the bending and stacking of the fiber web in real time. The suction nozzle 221 can adjust the suction force according to the bending size and bending distance.

[0042] The number of the clamping units 200 is at least 4 and is an even number, and the clamping units 200 are symmetrically distributed about the vertical plane of the web laying motion. The number of the clamping units 200 is at least 4 and is an even number, and the bending part of the fiber web can be sucked and clamped in multiple directions, so that the fiber web layers can be closely attached to each other, and the fiber web can be prevented from being skewed and having different thicknesses, etc., and the web laying effect of the web laying machine on the fiber web can be improved.

[0043] When the utility model is used, the motor is started to rotate the turntable, and the second swing rod 233 eccentrically arranged on the turntable swings back and forth, and the second swing rod 233 drives the first swing rod 232 and the suction nozzle 221 to swing, and the suction nozzle 221 swings back and forth to absorb the fiber web, so that the reciprocating suction nozzle 221 can absorb the bending part of the fiber web, and at the same time, the lifting mechanism is started to adjust the horizontal position of the clamping base 210.

[0044] The above is based on the ideal embodiment of the utility model. Through the above description, relevant personnel can make various changes and modifications without deviating from the technical concept of the utility model. The technical scope of this utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A nonwoven fabric clamping device for a nonwoven fabric laying machine, comprising: A web laying table (100), and a plurality of clamping units (200) respectively arranged beside the bending parts of the fiber web of the web laying table (100), characterized in that: Each of the clamping units (200) comprises: a clamping base (210), and a negative pressure unit (220) and a reciprocating unit (230) respectively fixedly arranged on the clamping base (210); the negative pressure unit (220) comprises: a conduit (222), and a suction nozzle (221) and a suction unit (223) respectively fixedly connected to the conduit (222); the suction unit (223) is fixedly connected to the clamping base (210); The reciprocating unit (230) comprises: a nozzle bracket (231), a first swing arm (232) hingedly connected to the nozzle bracket (231), and a second swing arm (233) hingedly connected to the first swing arm (232); the nozzle (221) is rotatably connected to the nozzle bracket (231), the first swing arm (232) and the second swing arm (233) are located on the same vertical plane and are parallel to the rotation plane of the nozzle (221), a turntable is hingedly connected to the bottom of the second swing arm (233), a motor is fixedly arranged on the turntable, the motor drives the turntable to rotate, and the second swing arm (233) is eccentrically arranged on the turntable.

2. The nonwoven fabric clamping device of the nonwoven fabric laying machine according to claim 1, characterized in that: A circular arc groove frame (234) is fixedly arranged on the clamping base (210), a clamping block is clamped on the circular arc groove frame (234), a circular arc groove opening is arranged on the side of the circular arc groove frame (234), the clamping block is fitted with the circular arc groove opening, and the reciprocating unit (230), the suction nozzle (221) and the conduit (222) are all located on the same vertical plane.

3. The nonwoven fabric clamping device of the nonwoven fabric laying machine according to claim 2, characterized in that: The clamping block is hingedly connected to the first swing rod (232) and the second swing rod (233) respectively, and the first swing rod (232) and the second swing rod (233) drive the clamping block to move on the circular arc groove of the circular arc groove frame (234).

4. The nonwoven fabric clamping device of the nonwoven fabric laying machine according to claim 2, characterized in that: The circular arc groove frame (234) is provided with a catheter hole, and the catheter hole is used for the catheter (222) to pass through.

5. The nonwoven fabric clamping device of the nonwoven fabric laying machine according to claim 2, characterized in that: The center of the circular arc notch is located on the rotation axis of the suction nozzle (221).

6. The nonwoven fabric clamping device of the nonwoven fabric laying machine according to claim 1, characterized in that: The distances between the plurality of suction nozzles (221) located on the same side of the vertical plane of the web laying movement and the web laying table (100) are consistent.

7. The nonwoven fabric clamping device of the nonwoven fabric laying machine according to claim 1, characterized in that: A lifting mechanism is provided at the bottom of each clamping base (210), and the lifting mechanism is used to lift the clamping base (210).

8. The nonwoven fabric clamping device of the nonwoven fabric laying machine according to claim 1, characterized in that: The vertical movement plane of the suction nozzle (221) forms an acute angle with the web laying movement plane.

9. The nonwoven fabric clamping device of the nonwoven fabric laying machine according to claim 1, characterized in that: The number of the plurality of clamping units (200) is at least 4 and is an even number, and the plurality of clamping units (200) are symmetrically distributed about a vertical plane of the web laying movement.

10. The nonwoven fabric clamping device of a nonwoven fabric laying machine according to claim 1, characterized in that: The rotating axis of the turntable is perpendicular to the vertical plane where the first swing rod (232) and the second swing rod (233) are located.

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