Fiber paving and conveying device and spunlace non-woven fabric production line

Abstract

The invention relates to a fiber paving and conveying device and a spunlace non-woven fabric production line, and relates to the field of conveying devices.The fiber paving and conveying device comprises a headbox, a rack and a conveying mesh belt, the rack comprises a cross beam, a middle stand column and two sets of adjusting stand columns, hinge seats are arranged at the tops of the adjusting stand columns, and the two hinge seats are hinged to the two ends of the bottom of the cross beam respectively; the top end of the middle stand column is hinged to the bottom of the beam. The hinge seat is connected with the adjusting stand column through an adjusting mechanism; the adjusting mechanism comprises a pressing frame plate, a screw rod and two wedge-shaped strips, the hinge seat comprises a seat body and a hinge body which are fixed with each other, two sides of the bottom of the seat body are respectively provided with an inclined surface, the inclined surfaces of the two wedge-shaped strips are respectively attached to the two inclined surfaces, the hinge body is in horizontal sliding fit with the inner wall of the pressing frame plate, and the pressing frame plate is connected with the adjusting stand column through a vertical bolt. The inclination angle of the cross beam and the conveying mesh belt can be adjusted so as to be suitable for paving and conveying different non-woven fabric fibers.

Description

Technical Field

[0001] The present application relates to the field of conveying devices, and in particular to a fiber spreading and conveying device and a spunlace nonwoven fabric production line. Background Art

[0002] The spunlace nonwoven production line is a continuous production system that uses high-pressure spunlace technology to entangle and reinforce fibers into cloth. The spunlace nonwoven production line includes fiber forming equipment, fiber pretreatment equipment, web forming equipment, spunlace reinforcement equipment and post-processing equipment.

[0003] The fiber forming equipment uses a headbox to release the fiber slurry onto the conveyor belt. The water in the fiber slurry is discharged from the mesh of the conveyor belt by gravity drainage and vacuum suction in turn, so that the fibers are deposited on the conveyor belt and formed into sheets as the conveyor belt is spread and transported.

[0004] The conveyor belt has an inclination angle. The inclination angle of the conveyor belt not only affects the dehydration capacity of the mesh, but also has a very important influence on the quality indicators and various properties of the non-woven fabric fiber, such as uniformity, aspect ratio, tensile strength, air permeability, etc.

[0005] Therefore, different non-woven fabrics and different types of fiber raw materials have different requirements for the inclination angle of the conveyor belt. The present application provides a fiber spreading and conveying device with an adjustable conveyor belt angle, which is suitable for the spreading and conveying of different non-woven fabric fibers. Summary of the Invention

[0006] In order to be applicable to the spreading and conveying of different non-woven fibers, the present application provides a fiber spreading and conveying device and a spunlace non-woven production line.

[0007] The present application provides a fiber spreading and conveying device, which adopts the following technical solution: Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0008] By adopting the above technical solution, the inclination angle of the conveyor belt is adjusted by adjusting the inclination angle of the crossbeam. The two wedge bars are pressed against the top surface of the adjustment column, that is, the pressing frame plate and the two wedge bars jointly clamp the seat body to lock the position of the seat body and the hinge body, thereby locking the end of the cross beam and maintaining the inclination angle of the cross beam.

[0009] In summary, the vertically movable clamping frame and the horizontally movable wedge bar can not only provide the seat body and the hinge body with displacement space in the horizontal and height directions, so that they can adapt to the adjustment of the beam angle, but secondly, the clamping frame, wedge bar and the top surface of the adjustment column can also clamp the seat body to limit the horizontal and height displacement of the seat body, so as to lock the position of the seat body and the hinge body, thereby locking the end of the beam and maintaining the inclination angle of the beam, so as to facilitate the adjustment of the inclination angle of the conveyor belt and the maintenance of the inclination angle.

[0010] Optionally, an annular side wall extends downward from the outer edge of the compression frame plate, and the side wall vertically slides with the outer edge of the top surface of the adjustment column. The side wall is penetrated by a vertically arranged waist-shaped hole, and the screw passes through the waist-shaped hole.

[0011] Optionally, the adjustment column includes an upper column, a replacement column and a lower column, and the upper and lower ends of the replacement column are respectively connected to the upper column and the lower column through flanges; when installing or removing the replacement column, the screw controls the two wedge bars to move relatively apart to leave space for the upper column to move upward.

[0012] By adopting the above technical solution, firstly, the overall height of the adjustment column can be greatly changed by the detachable replacement column, so as to greatly adjust the height position of the end of the beam, so as to increase the inclination angle adjustment range of the conveyor belt; secondly, when installing or removing the replacement column, the screw controls the two wedge bars to move relatively apart, so that the seat body is suspended on the upper column to leave space for the upper column to move upward, that is, the top of the upper column is unconstrained, and when the upper column moves upward, the vertical distance between the upper column and the lower column can be increased to facilitate the placement or removal of the replacement column, and when the replacement column is installed, the screw controls the two wedge bars to move relatively close to fill the space between the seat body and the top surface of the adjustment column to compact the upper column, thereby improving the vertical connection between the upper column, the replacement column and the lower column, thereby reducing the problem of poor installation stability of the replacement column.

[0013] Optionally, a plurality of receiving grooves are provided at the bottom of the wedge-shaped strip, and the receiving grooves are in the shape of a right-angled triangle. The small ends of the receiving grooves of the two wedge-shaped strips are set apart from each other, and a steel ball is provided in the receiving groove. A limit plate is embedded in the top surface of the adjustment column, and the upper surface of the limit plate is flush with the top surface of the adjustment column. The hardness of the steel ball is greater than the hardness of the limit plate. When the steel ball is located at the large end position of the receiving groove, the bottom of the steel ball is exposed at the notch of the receiving groove, and when the pressing frame plate forces the seat body and the wedge-shaped strip to move downward, the bottom of the steel ball located at the large end position of the receiving groove is embedded in the surface of the limit plate, and the surface of the limit plate is squeezed to form a limit pit, and when the screw controls the two wedge-shaped strips to approach each other, the inclined surface of the receiving groove forces the steel ball to further embed into the limit pit, and the diameter of the limit pit becomes larger.

[0014] By adopting the above technical solution, when adjusting the inclination angle of the beam, first release the vertical bolts so that the compression frame plate can move vertically relative to the adjustment column, and then rotate the screw in the forward direction to make the two wedge strips move away from each other. Since the wedge strip is separated from the seat body, the wedge strip has no vertical constraint, and the friction between the steel ball and the surface of the limit plate is small. Therefore, as the wedge strip moves, the inner wall of the large end of the accommodating groove drives the steel ball to move. At this time, the seat body and the hinged body are in a free state, that is, the two ends of the beam are in a free state. Then adjust the inclination angle of the beam. After adjusting to the appropriate angle, the seat body As the end of the beam deviates, it makes a double superimposed displacement in the horizontal and height directions, that is, the seat body changes its position accordingly. In this process, the position of the wedge bar is moved as a whole so that it is located directly below the seat body, and then the screw is rotated in the opposite direction to make the two wedge bars move closer to each other. Since the wedge bar has no vertical constraint, the friction between the steel ball and the surface of the limit plate is small, and the inclined inner wall of the accommodating groove will drive the steel ball to move with the wedge bar through abutment until the inclined surfaces of the two wedge bars respectively fit the two inclined surfaces of the seat body. At this time, the steel ball is located at the large end position of the accommodating groove, and the bottom of the steel ball is exposed outside the accommodating groove. The bottom of the steel ball abuts against the upper surface of the limit plate, and then the vertical bolt is tightened to make the pressing frame move down to fit the upper surface of the seat body. At this time, the pressing frame forces the seat body and the wedge strip to move down, and the bottom of the steel ball located at the large end of the accommodating groove will be embedded in the surface of the limit plate. The surface of the limit plate is squeezed to form a limit pit, which realizes the initial fixation between the steel ball and the limit plate. At this time, the seat body is clamped by the pressing frame and the wedge strip, and the seat body cannot continue to move up. Then the screw is rotated in the opposite direction again. The screw controls the two wedge strips to move closer to each other. Since the seat body is constrained by the pressing frame plate, it cannot continue to move up. The wedge strip continues to move upward, so under the guidance of the inclined surface of the seat body, the wedge strip will make a double superimposed displacement of horizontal movement and downward movement, and the downward movement of the wedge strip will force the steel ball to further embed into the limiting pit, and the horizontal movement of the wedge strip makes the inclined surface of the accommodating groove move horizontally relative to the steel ball, and the inclined surface of the accommodating groove will force the steel ball to further embed into the limiting pit, that is, when the wedge strip makes a double superimposed displacement of horizontal movement and downward movement, the steel ball will further embed into the limiting pit, and the diameter of the limiting pit becomes larger to increase the anchoring strength between the steel ball and the limiting plate, thereby improving the limiting and fixing effect of the seat body in the horizontal direction.

[0015] When the position of the seat needs to be adjusted again, first loosen the vertical bolts to allow the compression frame to move vertically relative to the adjustment column, then rotate the screw in the forward direction to move the two wedge bars away from each other. During this process, since only the bottom of the steel ball is embedded in the limit plate, most of the steel ball is still in the receiving groove. Therefore, the large end wall of the receiving groove will horizontally abut the steel ball, pushing the steel ball out of the limit pit, so that the steel ball can be embedded in other parts of the limit plate. After the position of the seat is adjusted, follow the above steps to complete the fixing of the seat. In addition, when there are too many limit pits on the limit plate, the old limit plate can be removed from the top surface of the adjustment column and replaced with a new one.

[0016] Optionally, two winches are further included, which are used to reel in and unreel the steel strands, and one end of the two steel strands is fixedly connected to the two ends of the beam respectively.

[0017] By adopting the above technical solution, when it is necessary to adjust the inclination angle of the beam, the seat bodies at both ends of the beam are first released to make the two ends of the beam free, and then the two winches are controlled to reel in and unreel respectively to drive the beam to deflect with the hinge point in the middle of itself as a fulcrum, so as to realize the adjustment of the inclination angle of the beam, which is more convenient and labor-saving; secondly, in the process of fixing and installing the seat body, two taut steel strands are used to maintain the inclination angle of the beam to ensure the stability of the seat body position, thereby facilitating the combined clamping of the wedge bar and the compression frame plate.

[0018] Optionally, a plurality of receiving grooves are provided at the bottom of the wedge-shaped strip, and the receiving grooves are in the shape of a right-angled triangle. The small ends of the receiving grooves of the two wedge-shaped strips are set apart from each other, and a steel ball is provided in the receiving groove. The top surface of the adjustment column is embedded with a limit plate, and the upper surface of the limit plate is flush with the top surface of the adjustment column. The hardness of the steel ball is greater than the hardness of the limit plate. When the steel ball is located at the large end position of the receiving groove, the bottom of the steel ball is exposed at the notch of the receiving groove, and when the frame plate is pressed to force the seat body and the wedge-shaped strip to move downward, the steel ball is located at the receiving groove. The bottom of the steel ball at the large end of the groove is embedded in the surface of the limit plate, and the surface of the limit plate is squeezed to form a limit pit. When the screw controls the two wedge strips to approach each other, the inclined surface of the accommodating groove forces the steel ball to further embed into the limit pit, and the diameter of the limit pit becomes larger; an eccentric swing arm is provided at the end of the screw, and the steel strand passes around the eccentric swing arm. When the steel strand is tightened, torque is applied to the eccentric swing arm and the screw, and the torque is converted into a driving force through the screw to force the two wedge strips to approach each other.

[0019] By adopting the above technical solution, when adjusting the inclination angle of the beam, first release the vertical bolt so that the compression frame plate can adjust the vertical movement of the column relative to the vertical column, and then rotate the screw in the forward direction to make the two wedge bars move away from each other. Since the wedge bar is separated from the seat body, the wedge bar has no vertical constraint, and the friction between the steel ball and the surface of the limit plate is small. Therefore, as the wedge bar moves, the inner wall of the large end of the accommodating groove drives the steel ball to move. At this time, the seat body and the hinge body are in a free state, that is, the two ends of the beam are in a free state. Then, by controlling the reeling and unreeling of the two winches respectively, the beam is driven to deflect with the hinge point in the middle of itself as a fulcrum to achieve the adjustment of the inclination angle of the beam. In this process, the seat body moves with the end of the beam The displacement of the wedge strip is double-superimposed in the horizontal and height directions, that is, the seat changes its position accordingly, and then the two steel strands are in a taut state, so that the crossbeam maintains an inclined angle, and then the position of the wedge strip is moved as a whole by pushing the screw horizontally, so that it is located directly below the seat body, and then the screw is rotated in the opposite direction, so that the two wedge strips move closer to each other. Since the wedge strip has no vertical constraint, the friction between the steel ball and the surface of the limit plate is small, and the inclined inner wall of the accommodating groove will drive the steel ball to move with the wedge strip through abutment until the inclined surfaces of the two wedge strips respectively fit the two inclined surfaces of the seat body (at this time, the seat body is supported by the wedge strip and also moves up a short distance, so that the hinge gap between the hinge body and the crossbeam increases). At this time, the steel ball position At the large end of the accommodating groove, the bottom of the steel ball is exposed in the notch of the accommodating groove, and the bottom of the steel ball abuts against the upper surface of the limit plate. Then, the vertical bolts are tightened to make the compression frame move down to fit the upper surface of the seat body. At this time, the compression frame forces the seat body and the wedge bar to move down (so that the hinge gap between the hinge body and the crossbeam on the seat body is reduced), and the bottom of the steel ball at the large end of the accommodating groove will be embedded in the surface of the limit plate. The surface of the limit plate is squeezed to form a limit pit, that is, the initial fixation between the steel ball and the limit plate is achieved, and the seat body is also initially fixed. Then the winch unwinds the steel strand to relax the steel strand and pass the steel strand around the eccentric swing arm. The winch rewinds the steel strand, and the steel strand is tightened. The tightening of the steel strand exerts pressure on the eccentric swing arm and the screw. The torque is added, and the torque is converted into a driving force through the screw to force the two wedge bars to move closer to each other. Since the seat body is constrained by the compression frame plate and cannot continue to move upward, the wedge bar will make a double superimposed displacement of horizontal movement and downward movement under the guidance of the inclined surface of the seat body. The downward displacement of the wedge bar will force the steel ball to further embed into the limiting pit, and the horizontal movement of the wedge bar causes the inclined surface of the accommodating groove to move horizontally relative to the steel ball, and the inclined surface of the accommodating groove will force the steel ball to further embed into the limiting pit, that is, when the wedge bar makes a double superimposed displacement of horizontal movement and downward movement, the steel ball will further embed into the limiting pit, and the diameter of the limiting pit becomes larger to increase the anchoring strength between the steel ball and the limiting plate, thereby improving the horizontal limiting and fixing effect of the seat body.

[0020] Optionally, the inclined surface of the accommodating groove is set as two symmetrically arranged raceways along its own cross-sectional direction, and the cross-section of the raceway is arc-shaped. The two raceways respectively form two connecting lines with the contact points between the steel balls and the center points of the steel balls, and the angle between the two connecting lines is 60°-80°.

[0021] By adopting the above technical solution, the double raceways are used to achieve the angular contact state of the steel ball, making the position of the steel ball more stable. At the same time, the pressure exerted on the steel ball by the inclined surface of the accommodating groove is more concentrated, making it easier for the steel ball to be embedded in the limit plate, that is, the pressure transmission is more accurate.

[0022] Optionally, the top surface of the adjustment column is provided with a plurality of strip grooves, the cross-section of the strip grooves is an isosceles triangle, the limit plate is a long strip parallel to the screw rod, the cross-section of the limit plate is an isosceles trapezoid, the two inclined side surfaces of the limit plate are respectively attached to the two opposite groove walls of the strip groove, the limit plate is formed by gluing a plurality of wood chips arranged in sequence along its own width, the wood chips are inclined to the vertical surface, and a V-shaped groove for the steel ball to be squeezed and embedded is provided in the middle of the upper surface of the limit plate, and a barb is fixed on one side of the bottom of the wedge strip located at the large end of the accommodating groove, and the barb extends into the V-shaped groove; when the two wedge strips move away from each other, the barb is used to hook the steel ball out of the V-shaped groove.

[0023] By adopting the above technical solution, the limiting plate made of glued wood chips has a certain elasticity and plasticity. Therefore, under the guidance of the inclined surface of the seat body, the wedge-shaped strip will make a double superimposed displacement of horizontal movement and downward movement. The inclined surface of the accommodating groove forces the steel ball to further embed into the V-shaped groove. Not only the groove wall of the V-shaped groove is squeezed to form a limiting pit, the opening of the V-shaped groove will also be squeezed larger, and the parts of the limiting plate located on both sides of the V-shaped groove will be squeezed. The squeezed parts have a clamping rebound force, which can clamp the steel ball more firmly, thereby improving the anchoring effect between the steel ball and the limiting plate, and then improving the limiting and fixing effect of the horizontal direction of the seat body.

[0024] Secondly, when the position of the steel ball needs to be changed, the two wedge bars are first moved away from each other. The barbed hooks of the wedge bars hook the steel ball out of the V-groove, even if the steel ball is separated from the limit plate, so that the steel ball can be moved to another position with the wedge bar. In addition, because the V-groove is stretched open by the original steel ball, the limit plate still has a residual clamping rebound force on both sides of the V-groove, which can improve the clamping and anchoring effect of the next steel ball to be moved down. That is, after each adjustment of the seat body position, the steel ball can be embedded deeper in the V-groove, greatly improving the anchoring effect.

[0025] Optionally, a magnetic component is embedded in the wedge-shaped strip, and the magnetic component is used to magnetically attract the steel ball so that the steel ball is located in the receiving groove.

[0026] The present application provides a spunlace nonwoven production line, which adopts the following technical solutions: A spunlace nonwoven fabric production line comprises a fiber spreading and conveying device.

[0027] In summary, this application includes at least one of the following beneficial technical effects: The vertically movable pressing frame and the horizontally movable wedge strip not only provide the seat body and the hinge body with displacement space in the horizontal and height directions, so that they can adapt to the adjustment of the crossbeam angle, but also the pressing frame, the wedge strip and the top surface of the adjustment column can clamp the seat body to limit the displacement of the seat body in the horizontal and height directions, so as to lock the position of the seat body and the hinge body, thereby locking the end of the crossbeam and maintaining the inclination angle of the crossbeam, so as to facilitate the adjustment and maintenance of the inclination angle of the conveyor mesh belt, which is suitable for the paving and transportation of different non-woven fibers. By setting the right-angled triangle-shaped receiving groove and the steel ball, combined with the installation process between the compression frame plate, the seat body and the wedge strip, the steel ball and the limit plate are embedded twice, thereby improving the anchoring strength between the steel ball and the limit plate, thereby improving the horizontal limit fixing effect of the seat body; By controlling the reeling and unreeling of the two winches respectively, the beam is driven to deflect with the hinge point in the middle of itself as a fulcrum, so as to adjust the inclination angle of the beam, which is more convenient and labor-saving; secondly, in the process of fixing and installing the seat body, two taut steel strands are used to maintain the inclination angle of the beam to ensure the stability of the seat body position, thereby facilitating the combined clamping of the wedge bar and the compression frame plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is an overall schematic diagram of the fiber spreading and conveying device of Example 1.

[0029] Figure 2 It is a schematic diagram of the adjustment mechanism of Example 1.

[0030] Figure 3 This is a partial cross-sectional view of the adjustment mechanism of Example 1.

[0031] Figure 4 This is a cross-sectional view of the adjustment mechanism of Example 1.

[0032] Figure 5 This is a schematic diagram of Example 2 for showing the bottom surface of the wedge strip.

[0033] Figure 6 This is a partial cross-sectional view of the adjustment mechanism of Example 2.

[0034] Figure 7 This is a cross-sectional view of the adjustment mechanism of Example 2.

[0035] Figure 8This is a schematic diagram of Example 2 for illustrating the change in relative position between the steel ball and the inclined surface of the receiving groove during the movement of the wedge bar.

[0036] Figure 9 yes Figure 7 Cross-sectional view in the AA direction.

[0037] Figure 10 It is an overall schematic diagram of the fiber spreading and conveying device of Example 3.

[0038] Figure 11 This is a schematic diagram of Example 4 for reflecting the positional relationship between the steel strand and the eccentric swing arm.

[0039] Figure 12 This is a cross-sectional view of the limiting plate of Example 5.

[0040] Figure 13 It is a longitudinal cross-sectional view of Example 2, which is used to reflect the matching relationship between the steel ball and the limiting plate.

[0041] Explanation of reference numerals: 1, articulated seat; 2, pressing frame plate; 3, wedge strip; 5, limit plate; 6, winch; 10, conveyor belt; 100, adjustment column; 200, adjustment mechanism; 101, headbox; 102, lip plate; 103, lip plate adjustment mechanism; 104, tensioning roller; 105, driving roller; 106, conveyor roller; 107, intermediate column; 108, crossbeam; 109, strip groove; 110, upper column; 1 11. Lower column; 112. Replacement column; 11. Hinge body; 12. Base body; 121. Inclined surface; 21. Side wall; 22. Waist-shaped hole; 23. Vertical bolt; 24. Sliding groove; 31. Screw; 311. Eccentric swing arm; 312. Guide wheel; 32. Guide rod; 33. Accommodating groove; 331. Roller; 35. Steel ball; 36. Barb; 51. Limiting pit; 52. Wood chip; 53. V-shaped groove; 61. Steel strand. DETAILED DESCRIPTION

[0042] The following is combined with Figure 1 -Attached Figure 13 This application is described in further detail.

[0043] Example 1, Example 1 discloses a fiber spreading and conveying device, such as Figure 1 As shown, the fiber spreading and conveying device includes a flow box 101, a tensioning roller 104, an active roller 105, a frame and a conveyor belt 10 connected to the frame, wherein the frame includes a crossbeam 108, an intermediate column 107 and two groups of adjustment columns 100, the two groups of adjustment columns 100 are arranged along the length direction of the crossbeam 108, the intermediate column 107 is located between the two groups of adjustment columns 100, and one group of adjustment columns 100 includes two adjustment columns 100 arranged along the width direction of the crossbeam 108 to avoid the conveyor belt 10.

[0044] An articulated seat 1 is provided on the top of the adjustment column 100 . The articulated seat 1 and the adjustment column 100 are connected via an adjustment mechanism 200 . The adjustment mechanism 200 is used to adjust the horizontal position and height position of the articulated seat 1 relative to the adjustment column 100 .

[0045] The hinged seats 1 of the two sets of adjustment columns 100 are hingedly connected to the two ends of the bottom of the beam 108 respectively, and the top of the middle column 107 is hingedly connected to the bottom of the beam 108, that is, the middle column 107 acts as a fulcrum to allow the beam 108 to be adjusted in angle.

[0046] The tensioning roller 104 and the active roller 105 are both set on the ground, and the crossbeam 108, the middle column 107 and the adjustment column 100 are respectively provided with at least one conveying roller 106. The conveyor mesh belt 10 passes around the conveyor roller 106, the tensioning roller 104 and the active roller 105, wherein the tensioning roller 104 is used to apply tensioning force to the conveyor mesh belt 10 so that after the crossbeam 108 adjusts the inclination angle, the conveyor mesh belt 10 is still in a tensioned state, and the active roller 105 is used to apply force to the conveyor mesh belt 10 to make the conveyor mesh belt 10 move in a circular motion.

[0047] One end of the headbox 101 is hingedly connected to one end of the crossbeam 108, and the other end of the headbox 101 is an open end, which faces the upper surface of the conveyor mesh belt 10, and the open end is also hinged with a lip plate 102. The headbox 101 is also provided with a lip plate adjustment mechanism 103, which is used to adjust the distance between the lip plate 102 and the upper surface of the conveyor mesh belt 10.

[0048] like Figure 2 、 Figure 3 、 Figure 4 As shown, the articulated seat 1 includes a seat body 12 and a hinge body 11. The hinge body 11 is fixed to the upper surface of the seat body 12. Inclined surfaces 121 are respectively provided on both sides of the bottom of the seat body 12. The adjustment mechanism 200 includes a clamping frame 2, a screw 31 and two wedge bars 3. The inclined surfaces of the two wedge bars 3 respectively fit the two inclined surfaces 121. The two wedge bars 3 are both fixed with guide rods 32. The two guide rods 32 are arranged along the length direction of the wedge bars 3. The guide rods 32 of the wedge bars 3 slide through the other wedge bars 3 so that the two wedge bars 3 can slide relative to each other. The screw 31 is respectively threaded with the two wedge bars 3. The screw 31 has two sections of threads with opposite rotation directions. Therefore, when the screw 31 rotates, the two wedge bars 3 can be controlled to be relatively close or relatively far away.

[0049] The clamping frame 2 is located directly above the adjustment column 100. A ring-shaped side wall 21 extends downward from the outer edge of the clamping frame 2. The side wall 21 vertically slides with the outer edge of the top surface of the adjustment column 100. The clamping frame 2 is connected to the adjustment column 100 through a vertical bolt 23. The screw head of the vertical bolt 23 rests on the upper surface of the clamping frame 2, and the vertical bolt 23 is threadedly connected to the top surface of the adjustment column 100.

[0050] A vertical waist-shaped hole 22 is passed through the side wall 21 , and the screw rod 31 passes through the waist-shaped hole 22 .

[0051] The hollow portion of the pressing frame 2 is configured as a sliding groove 24 , the length direction of the sliding groove 24 being the sliding direction of the wedge strip 3 , and the hinged body 11 and the sliding groove 24 of the pressing frame 2 are horizontally slidably matched.

[0052] The inclination angle of the conveyor belt 10 is adjusted by adjusting the inclination angle of the crossbeam 108. When adjusting the inclination angle of the crossbeam 108, first release the vertical bolt 23 so that the pressing frame plate 2 can move vertically relative to the adjustment column 100, and then rotate the screw 31 in the forward direction to move the two wedge strips 3 away from each other. The wedge strips 3 are separated from the base 12. At this time, the base 12 and the hinged body 11 are in a free state, that is, the two ends of the crossbeam 108 are in a free state. Then adjust the inclination angle of the crossbeam 108. After adjusting to the appropriate angle, the base 12 makes a double superimposed displacement in the horizontal direction and the height direction as the end of the crossbeam 108 deviates, that is, the base 12 is 2 changes its position accordingly, and then tightens the vertical bolt 23, so that the pressing frame plate 2 moves down to a state in contact with the upper surface of the base body 12, and rotates the screw rod 31 in the opposite direction, so that the two wedge bars 3 move closer to each other, and the inclined surfaces of the two wedge bars 3 respectively contact the two inclined surfaces 121 of the base body 12, and the bottom surface of the wedge bar 3 presses against the top surface of the adjustment column 100, that is, the pressing frame plate 2 and the two wedge bars 3 jointly clamp the base body 12 to lock the position of the base body 12 and the hinge body 11, thereby locking the end of the cross beam 108 and maintaining the inclination angle of the cross beam 108.

[0053] In summary, the vertically movable clamping frame 2 and the horizontally movable wedge bar 3 can not only provide the seat body 12 and the hinge body 11 with displacement space in the horizontal and height directions, so that they can adapt to the angle adjustment of the beam 108, but secondly, the clamping frame 2, the wedge bar 3 and the top surface of the adjustment column 100 can also clamp the seat body 12 to limit the horizontal and height displacement of the seat body 12, so as to lock the position of the seat body 12 and the hinge body 11, thereby locking the end of the beam 108, and then maintaining the inclination angle of the beam 108, so as to facilitate the adjustment and maintenance of the inclination angle of the conveyor mesh belt 10, which is suitable for the paving and transportation of different non-woven fibers.

[0054] Secondly, in order to greatly adjust the inclination angle of the beam 108, the following settings can also be made, such as Figure 1 As shown, the adjustment column 100 includes an upper column 110, a replacement column 112 and a lower column 111. The lower end of the lower column 111 is fixed to the ground, and the upper and lower ends of the replacement column 112 are respectively connected to the upper column 110 and the lower column 111 through flanges. The top surface of the upper column 110 is the top surface of the adjustment column 100.

[0055] By making the replacement column 112 detachable, the overall height of the adjustment column 100 can be greatly changed. For example, after the replacement column 112 is removed, the adjustment column 100 is only composed of the upper column 110 and the lower column 111. The overall height of the adjustment column 100 is greatly reduced, thereby greatly adjusting the height position of the end of the beam 108 to increase the inclination angle adjustment range of the conveyor belt 10.

[0056] Secondly, when installing or removing the replacement column 112, the screw 31 controls the two wedge bars 3 to move away from each other, so that the base 12 is suspended on the upper column 110 to leave space for the upper column 110 to move upward, that is, the top of the upper column 110 is unconstrained, and when the upper column 110 moves upward, the vertical distance between the upper column 110 and the lower column 111 can be increased to facilitate the placement or removal of the replacement column 112.

[0057] Moreover, when the replacement column 112 is installed, the screw 31 controls the two wedge bars 3 to be relatively close to each other to fill the space between the base body 12 and the top surface of the adjustment column 100 to compact the upper column 110, thereby improving the vertical connection between the upper column 110, the replacement column 112 and the lower column 111, thereby reducing the problem of poor installation stability of the replacement column 112.

[0058] This embodiment also discloses a spunlace nonwoven fabric production line (shown in the figure), which includes the above-mentioned fiber spreading and conveying device.

[0059] Example 2, Example 2 is different from Example 1 in that Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 As shown, a plurality of receiving grooves 33 are provided at the bottom of the wedge-shaped bar 3. The receiving grooves 33 are evenly arranged and are in the shape of a right triangle. The small ends of the receiving grooves 33 of the two wedge-shaped bars 3 are set apart (the small end of the receiving groove 33 refers to the tip of the right triangle), and a steel ball 35 is placed in the receiving groove 33.

[0060] like Figure 9As shown, the inclined surface of the accommodating groove 33 is set as two symmetrically arranged raceways 331 along its own cross-sectional direction. The cross-section of the raceway 331 is arc-shaped. The two raceways 331 form two connecting lines with the contact point between the steel ball 35 and the center point of the steel ball 35 respectively. The angle between the two connecting lines is 60°-80°, that is, the double raceways 331 are used to achieve the angular contact state of the steel ball 35, so that the position of the steel ball 35 is more stable. At the same time, the pressure exerted by the inclined surface of the accommodating groove 33 on the steel ball 35 is more concentrated.

[0061] Secondly, in order to improve the convenience of placement, a magnetic component (not shown in the figure) can be embedded in the wedge bar 3. The magnetic component can be a magnetic rod or a magnetic plate, etc. The magnetic component is higher than the steel ball 35. The magnetic force of the magnetic component can absorb the steel ball 35. Therefore, when the wedge bar 3 is placed on the top surface of the adjustment column 100, the steel ball 35 can remain in the receiving groove 33 and is not easy to fall out.

[0062] like Figure 9 As shown, a limit plate 5 is embedded in the top surface of the adjustment column 100, and the upper surface of the limit plate 5 is flush with the top surface of the adjustment column 100. The hardness of the steel ball 35 is greater than the hardness of the limit plate 5. The limit plate 5 can be a wooden plate or an aluminum plate, that is, the limit plate 5 has plastic deformation ability.

[0063] When the tilt angle of the cross beam 108 is adjusted, the vertical bolt 23 is first released to allow the pressing frame plate 2 to move vertically relative to the adjustment column 100, and then the screw 31 is rotated forward to make the two wedge bars 3 move away from each other. Since the wedge bar 3 is separated from the seat body 12, the wedge bar 3 has no vertical constraint, and the friction between the steel ball 35 and the surface of the limit plate 5 is small. Therefore, as the wedge bar 3 moves, the inner wall of the large end of the accommodating groove 33 pushes the steel ball 35 to move. At this time, the seat body 12 and the hinged body 11 are in a free state, that is, the two ends of the cross beam 108 are in a free state, and then the tilt angle of the cross beam 108 is adjusted. After adjusting to the appropriate angle, the seat body 12 makes a double superimposed displacement in the horizontal and height directions as the end of the cross beam 108 deviates, that is, the seat body 12 changes its position accordingly. In this process, the position of the wedge bar 3 is moved as a whole so that it is located directly below the seat body 12, and then it is rotated in the opposite direction. The screw rod 31 causes the two wedge bars 3 to move closer to each other. Since the wedge bars 3 have no vertical constraints, the friction between the steel ball 35 and the surface of the limit plate 5 is small, and the inclined inner wall of the receiving groove 33 drives the steel ball 35 to move with the wedge bar 3 until the inclined surfaces of the two wedge bars 3 respectively fit the two inclined surfaces 121 of the seat body 12. At this time, the steel ball 35 is located at the large end position of the receiving groove 33 (the large end of the receiving groove 33 refers to the large end of the right triangle), the bottom of the steel ball 35 is exposed in the notch of the receiving groove 33, and the bottom of the steel ball 35 abuts the upper surface of the limit plate 5. Then the vertical bolt 23 is tightened to make the pressing frame plate 2 move down to fit the upper surface of the seat body 12. At this time, the pressing frame plate 2 forces the seat body 12 and the wedge bar 3 to move down, and the bottom of the steel ball 35 located at the large end position of the receiving groove 33 will be embedded in the surface of the limit plate 5, and the surface of the limit plate 5 is squeezed to form a limit pit 51 (see Figure 8 The first state diagram in the figure) is to achieve the initial fixation between the steel ball 35 and the limiting plate 5. At this time, the seat body 12 is clamped by the pressing frame plate 2 and the wedge strip 3, and the seat body 12 cannot move further up. Then the screw rod 31 is rotated in the opposite direction again, and the screw rod 31 controls the two wedge strips 3 to move closer to each other. Since the seat body 12 is constrained by the pressing frame plate 2 and cannot move further up, the wedge strip 3 will make a double superimposed displacement of horizontal movement and downward movement under the guidance of the inclined surface 121 of the seat body 12. The downward movement of the wedge strip 3 will force the steel ball 35 to further embed into the limiting pit 51, and the horizontal movement of the wedge strip 3 causes the inclined surface of the accommodating groove 33 to move horizontally relative to the steel ball 35 (see Figure 8 As shown in the second state diagram in the figure, the inclined surface of the accommodating groove 33 will force the steel ball 35 to further embed into the limiting pit 51. That is, when the wedge-shaped bar 3 makes a double superimposed displacement of horizontal movement and downward movement, the steel ball 35 will further embed into the limiting pit 51, and the diameter of the limiting pit 51 will become larger, so as to improve the anchoring strength between the steel ball 35 and the limiting plate 5, thereby improving the horizontal limiting and fixing effect of the seat body 12.

[0064] When the position of the seat body 12 needs to be adjusted again, first release the vertical bolt 23 so that the compression frame plate 2 can move vertically relative to the adjustment column 100, and then rotate the screw 31 in the forward direction to move the two wedge bars 3 away from each other. During this process, since only the bottom of the steel ball 35 is embedded in the limit plate 5, most of the steel ball 35 is still in the accommodating groove 33, the large end groove wall of the accommodating groove 33 will horizontally abut against the steel ball 35 to push the steel ball 35 out of the limit pit 51, so as to facilitate the embedding of the steel ball 35 and other positions of the limit plate 5. After the position of the seat body 12 is adjusted, the fixing of the seat body 12 can be completed according to the above steps.

[0065] Furthermore, when there are too many limiting pits 51 on the limiting plate 5 , the old limiting plate 5 can be removed from the top surface of the adjustment column 100 to be replaced with a new limiting plate 5 .

[0066] Example 3, Example 3 is different from Example 2 in that Figure 10 As shown, the fiber spreading and conveying device further includes two winches 6 , which are installed on the ground and are used for winding and unwinding the steel strands 61 . One end of the two steel strands 61 is fixedly connected to the two ends of the beam 108 , respectively.

[0067] When the inclination angle of the beam 108 needs to be adjusted, first release the fixation of the seat body 12 at both ends of the beam 108, so that the two ends of the beam 108 are in a free state, and then control the reeling and unreeling of the two winches 6 respectively to drive the beam 108 to deflect with its own middle hinge point as the fulcrum, so as to realize the inclination angle adjustment of the beam 108, which is more convenient and labor-saving.

[0068] Secondly, in the process of fixing and installing the seat body 12, two tightened steel strands 61 are used to maintain the inclination angle of the beam 108 to ensure the stability of the position of the seat body 12, thereby facilitating the combined clamping of the wedge strip 3 and the compression frame plate 2.

[0069] Example 4, Example 4 is different from Example 3 in that Figure 11 As shown, an eccentric swing arm 311 is provided at the end of the screw rod 31 , and the eccentric swing arm 311 extends in the radial direction of the screw rod 31 . A guide wheel 312 is provided at the end of the eccentric swing arm 311 , and the steel strand 61 passes around the guide wheel 312 of the eccentric swing arm 311 .

[0070] When the inclination angle of the cross beam 108 is adjusted, the vertical bolts 23 are first released so that the pressing frame plate 2 can move vertically relative to the adjustment column 100, and then the screw 31 is rotated in the forward direction to make the two wedge bars 3 move away from each other. Since the wedge bar 3 is separated from the seat body 12, the wedge bar 3 has no vertical constraint, and the friction between the steel ball 35 and the surface of the limit plate 5 is small. Therefore, as the wedge bar 3 moves, the inner wall of the large end of the accommodating groove 33 drives the steel ball 35 to move. At this time, the seat body 12 and the hinged body 11 are in a free state, that is, the two ends of the cross beam 108 are in a free state. Then, by controlling the reeling and unreeling of the two winches 6 respectively, the cross beam 1 is driven 08 uses the hinge point in the middle of itself as a fulcrum to deflect to adjust the tilt angle of the beam 108. During this process, the base 12 makes a double superimposed displacement in the horizontal and height directions as the end of the beam 108 deflects, that is, the base 12 changes its position accordingly, and then the two steel strands 61 are in a taut state, so that the beam 108 maintains its tilt angle, and then the position of the wedge bar 3 is moved as a whole by pushing the screw 31 horizontally, so that it is located directly below the base 12, and then the screw 31 is rotated in the opposite direction, so that the two wedge bars 3 move closer to each other. Since the wedge bar 3 has no vertical constraint, the friction between the steel ball 35 and the surface of the limit plate 5 is small. The inclined inner wall of the receiving groove 33 will drive the steel ball 35 to move with the wedge strip 3 through abutment until the inclined surfaces of the two wedge strips 3 respectively fit the two inclined surfaces 121 of the seat body 12 (at this time, the seat body 12 is supported by the wedge strip 3 and also moves up a short distance, so that the hinge gap between the hinge body 11 and the crossbeam 108 is increased). At this time, the steel ball 35 is located at the large end of the receiving groove 33, and the bottom of the steel ball 35 is exposed at the notch of the receiving groove 33. The bottom of the steel ball 35 abuts the upper surface of the limit plate 5, and then the vertical bolt 23 is tightened to make the pressing frame plate 2 move down to fit the upper surface of the seat body 12. At this time, the pressing frame plate 2 forces the seat body 1 2 and the wedge-shaped bar 3 move downward (so that the hinge gap between the hinge body 11 on the seat body 12 and the crossbeam 108 is reduced), the bottom of the steel ball 35 located at the large end of the accommodating groove 33 will be embedded in the surface of the limit plate 5, and the surface of the limit plate 5 is squeezed to form a limit pit 51, that is, the initial fixation between the steel ball 35 and the limit plate 5 is achieved, and the seat body 12 is also initially fixed. Then the winch 6 unwinds the steel strand 61, so that the steel strand 61 is relaxed, and the steel strand 61 is passed around the guide wheel 312 of the eccentric swing arm 311. The winch 6 rewinds the steel strand 61, and the steel strand 61 is tightened. The tightening of the steel strand 61 applies torque to the eccentric swing arm 311 and the screw 31 (the direction of the torque is shown in FIG. 1 ). Figure 11The cam 35 is pressed against the top of the support frame 31 and the cam 35 is pressed against the support frame 31, and the cam 35 is pressed against the support frame 31, thereby increasing the pressure on the support frame 31.

[0071] Example 5, Example 5 is different from Example 3 in that Figure 12 As shown, a plurality of strip grooves 109 are provided on the top surface of the adjustment column 100. The length direction of the strip groove 109 is the sliding direction of the wedge strip 3. The cross section of the strip groove 109 is an isosceles triangle. The limit plate 5 is a long strip parallel to the screw 31. The cross section of the limit plate 5 is an isosceles trapezoid. The two inclined side surfaces of the limit plate 5 are respectively attached to the two opposite groove walls of the strip groove 109. The limit plate 5 is formed by gluing a plurality of wood chips 52 arranged in sequence along its own width. The wood chips 52 are inclined to the vertical surface. A V-shaped groove 53 for the steel ball 35 to be squeezed and embedded is provided in the middle of the upper surface of the limit plate 5.

[0072] like Figure 13 As shown, a barb 36 is fixed to one side of the large end of the accommodating groove 33 at the bottom of the wedge strip 3, and the barb 36 extends into the V-shaped groove 53. The size of the barb 36 is smaller than that of the V-shaped groove 53, so that the barb 36 will not interfere with the inner wall of the V-shaped groove 53.

[0073] The limiting plate 5 formed by gluing wood chips 52 has a certain elasticity and plasticity. Therefore, under the guidance of the inclined surface 121 of the seat body 12, the wedge strip 3 will make a double superimposed displacement of horizontal movement and downward movement. The inclined surface of the accommodating groove 33 forces the steel ball 35 to further embed into the V-shaped groove 53. Not only the groove wall of the V-shaped groove 53 is squeezed to form a limiting pit 51, the opening of the V-shaped groove 53 will also be squeezed larger, and the parts of the limiting plate 5 located on both sides of the V-shaped groove 53 will be squeezed. The squeezed parts have a clamping rebound force, which can clamp the steel ball 35 more firmly, thereby improving the anchoring effect between the steel ball 35 and the limiting plate 5, and then improving the horizontal limiting and fixing effect of the seat body 12.

[0074] Secondly, when the position of the steel ball 35 needs to be changed, the two wedge bars 3 are first moved away from each other, and the hooks 36 of the wedge bars 3 hook the steel ball 35 out of the V-groove 53, that is, the steel ball 35 is separated from the limit plate 5, so that the steel ball 35 can be moved to another position with the wedge bars 3.

[0075] Moreover, since the V-groove 53 is stretched open by the original steel ball 35, the parts of the limit plate 5 located on both sides of the V-groove 53 still have residual clamping rebound force, thereby being able to improve the clamping and anchoring effect of the next steel ball 35 that moves downward, that is, each time the position of the seat body 12 is adjusted, the steel ball 35 can be embedded deeper into the V-groove 53 to greatly improve the anchoring effect.

[0076] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A fiber spreading and conveying device, comprising a headbox (101), a frame, and a conveyor belt (10) connected to the frame, characterized in that: The frame comprises a crossbeam (108), an intermediate column (107) and two groups of adjustment columns (100); a hinge seat (1) is provided on the top of the adjustment column (100); the two hinge seats (1) are hingedly connected to the two ends of the bottom of the crossbeam (108) respectively; the intermediate column (107) is located between the two groups of adjustment columns (100); the top of the intermediate column (107) is hingedly connected to the bottom of the crossbeam (108); the hinge seat (1) and the adjustment column (100) are connected via an adjustment mechanism (200); the adjustment mechanism (200) comprises a pressing frame plate (2), a screw (31) and two wedge bars (3); The hinged seat (1) comprises a fixed seat body (12) and a hinged body (11), the bottom two sides of the seat body (12) are respectively provided with inclined surfaces (121), the inclined surfaces of the two wedge strips (3) respectively fit the two inclined surfaces (121), the screw (31) is used to control the two wedge strips (3) to be relatively close to or relatively far away, the hinged body (11) is horizontally slidably matched with the inner wall of the pressing frame plate (2), the pressing frame plate (2) is connected to the adjustment column (100) through a vertical bolt (23), and when the pressing frame plate (2) moves downward, it presses the upper surface of the seat body (12) and the downward pressure forces the wedge strips (3) to press on the top surface of the adjustment column (100).

2. The fiber spreading and conveying device according to claim 1, characterized in that: An annular side wall (21) extends downward from the outer edge of the pressing frame plate (2), and the side wall (21) is vertically slidably engaged with the outer edge of the top surface of the adjustment column (100). A vertically arranged waist-shaped hole (22) is passed through the side wall (21), and the screw (31) passes through the waist-shaped hole (22).

3. The fiber spreading and conveying device according to claim 1, characterized in that: The adjustment column (100) includes an upper column (110), a replacement column (112) and a lower column (111), and the upper and lower ends of the replacement column (112) are respectively connected to the upper column (110) and the lower column (111) through flanges; when installing or removing the replacement column (112), the screw (31) controls the two wedge-shaped bars (3) to move away from each other to leave space for the upper column (110) to move upward.

4. The fiber spreading and conveying device according to claim 1, characterized in that: The bottom of the wedge-shaped strip (3) is provided with a plurality of receiving grooves (33), the receiving grooves (33) are in the shape of a right triangle, the small ends of the receiving grooves (33) of the two wedge-shaped strips (3) are separated, and a steel ball (35) is provided in the receiving groove (33). The top surface of the adjustment column (100) is embedded with a limiting plate (5), the upper surface of the limiting plate (5) is flush with the top surface of the adjustment column (100), and the hardness of the steel ball (35) is greater than the hardness of the limiting plate (5); when the steel ball (35) is located at the large end position of the receiving groove (33), the bottom of the steel ball (35) is The portion is exposed at the notch of the accommodating groove (33), and when the pressing frame plate (2) forces the seat body (12) and the wedge-shaped strip (3) to move downward, the bottom of the steel ball (35) located at the large end of the accommodating groove (33) is embedded in the surface of the limiting plate (5), and the surface of the limiting plate (5) is squeezed to form a limiting pit (51), and when the screw (31) controls the two wedge-shaped strips (3) to approach each other, the inclined surface of the accommodating groove (33) forces the steel ball (35) to further embed into the limiting pit (51), and the diameter of the limiting pit (51) becomes larger.

5. The fiber spreading and conveying device according to claim 1, characterized in that: It also includes two winches (6) for winding and unwinding the steel strands (61), one end of each of the two steel strands (61) being fixedly connected to the two ends of the beam (108) respectively.

6. The fiber spreading and conveying device according to claim 5, characterized in that: The bottom of the wedge strip (3) is provided with a plurality of receiving grooves (33), the receiving grooves (33) are in the shape of a right triangle, the small ends of the receiving grooves (33) of the two wedge strips (3) are separated, a steel ball (35) is provided in the receiving groove (33), the top surface of the adjustment column (100) is embedded with a limit plate (5), the upper surface of the limit plate (5) is flush with the top surface of the adjustment column (100), and the hardness of the steel ball (35) is greater than the hardness of the limit plate (5); when the steel ball (35) is located at the large end position of the receiving groove (33), the bottom of the steel ball (35) is exposed at the notch of the receiving groove (33), and when the pressing frame plate (2) forces the seat body (12) and the wedge strip (3) to move downward, the steel ball (35) located in the receiving groove (33) is pressed. ) The bottom of the steel ball (35) at the large end position is embedded in the surface of the limiting plate (5), and the surface of the limiting plate (5) is squeezed to form a limiting pit (51). When the screw (31) controls the two wedge-shaped strips (3) to approach each other, the inclined surface of the accommodating groove (33) forces the steel ball (35) to further embed into the limiting pit (51), and the diameter of the limiting pit (51) becomes larger; an eccentric swing arm (311) is provided at the end of the screw (31), and the steel strand (61) passes around the eccentric swing arm (311). When the steel strand (61) is tightened, a torque is applied to the eccentric swing arm (311) and the screw (31), and the torque is converted into a driving force for forcing the two wedge-shaped strips (3) to approach each other through the screw (31).

7. The fiber spreading and conveying device according to claim 4 or 6, characterized in that: The inclined surface of the accommodating groove (33) is set as two symmetrically arranged rolling tracks (331) along its own cross-sectional direction. The cross-section of the rolling tracks (331) is in an arc shape. The contact points between the two rolling tracks (331) and the steel ball (35) and the center point of the steel ball (35) respectively form two connecting lines, and the angle between the two connecting lines is 60°-80°.

8. The fiber spreading and conveying device according to claim 4 or 6, characterized in that: The top surface of the adjustment column (100) is provided with a plurality of strip grooves (109), the cross section of the strip grooves (109) is an isosceles triangle, the limiting plate (5) is a long strip parallel to the screw rod (31), the cross section of the limiting plate (5) is an isosceles trapezoid, the two inclined sides of the limiting plate (5) are respectively attached to the two opposite groove walls of the strip groove (109), and the limiting plate (5) is formed by gluing a plurality of wood chips (52) arranged in sequence along its width. The wood piece (52) is arranged obliquely with respect to the vertical surface. A V-shaped groove (53) for the steel ball (35) to be squeezed and embedded is provided in the middle of the upper surface of the limiting plate (5). A barb (36) is fixed on one side of the large end of the accommodating groove (33) at the bottom of the wedge-shaped strip (3). The barb (36) extends into the V-shaped groove (53). When the two wedge-shaped strips (3) move away from each other, the barb (36) is used to hook the steel ball (35) out of the V-shaped groove (53).

9. The fiber spreading and conveying device according to claim 4 or 6, characterized in that: The wedge-shaped strip (3) is embedded with a magnetic attraction member, which is used to magnetically attract the steel ball (35) so that the steel ball (35) is located in the accommodating groove (33).

10. A spunlace nonwoven production line, characterized by: It includes the fiber spreading and conveying device according to claim 1.

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