A sizing equipment for producing flushable nonwoven materials

Abstract

The present invention belongs to the technical field of pulp stirring equipment, and particularly relates to a sizing equipment for producing flushable non-woven materials. By means of arranging a hollow stirring shaft unit, an air inflation ring unit, an opening stirring column unit, a fixed cutter, and a reset rotary cutter unit on the kettle body, the sizing equipment of the present invention can quickly stir the slurry evenly, and the fibers in the slurry can also be quickly chopped to the required length range. The present invention has the following advantages: First, the hollow stirring shaft unit is externally connected to a motor, and the inner side drives the opening stirring column unit to rotate, ensuring that the basic sizing function of rotary stirring is effective; Second, an external air pump can blow air into the slurry in sequence through the air inflation ring unit, the hollow stirring shaft unit, and the opening stirring column unit, ensuring that the sizing action has the effect of blowing and stirring, making the sizing action of the slurry more rapid.

Description

Technical Field

[0001] The present invention belongs to the technical field of pulp stirring equipment, and particularly relates to a sizing equipment for producing flushable non-woven materials. Background Art

[0002] Common flushable non-woven materials in life include flushable toilet paper, flushable kitchen paper, and degradable dry / wet wipes, etc. One of their common features is that they are easily broken by water flow in the sewer and divided into many small pieces, so they are not likely to block the sewer. More than 70% of the raw materials of flushable non-woven materials are pulp fibers, and the remaining part includes wood pulp fibers, cotton fibers, and Lyocell fibers, etc.

[0003] To make this material flushable, non-woven is the most basic requirement. In other words, if this material is obtained by the warp and weft knitting method of long fiber lines, it is almost impossible to be broken by water flow. Secondly, most of its raw material composition is pulp fibers, so it is more like paper rather than cloth, which is also one of the conditions for being flushable.

[0004] Finally, this material precisely adopts the wet laying and hydroentangling reinforcement processes, which makes it relatively not easy to be torn during use and easy to be broken by water flow after being discarded. Among them, the wet laying method requires that all raw material fibers be as short as possible. Otherwise, after the slurry is first coated on the wire mesh and then dewatered, the fibers are not convenient to be evenly distributed on the wire mesh, and finally the thickness of this material is difficult to be consistent. The thinner part is easy to tear, and the thicker part is not easy to be broken by water flow, which is unqualified.

[0005] Therefore, for the sizing equipment dedicated to flushable non-woven materials, it not only needs to evenly stir the slurry, but also needs to cut the fibers in it as much as possible, so as to produce flushable non-woven materials with uniform thickness and qualified quality.

[0006] The Chinese utility model patent with the patent publication number CN208711558U and the publication date of April 9, 2019, discloses a pulp sizing device, which includes a tank body. The top of the tank body is provided with a feed inlet, the bottom is provided with a discharge outlet, a water injection port is opened on the side wall of the tank body, the top of the tank body is detachably provided with a support plate through a flange, a motor seat is fixedly arranged on the support plate, a motor is fixedly installed on the top of the motor seat, the output shaft of the motor extends into the motor seat and is connected to a stirring shaft through a coupling, the stirring shaft extends into the bottom of the tank body, and a sizing component is fixedly connected to the end of the stirring shaft. The sizing component includes a support rod and an arc-shaped cutter fixedly connected to the stirring shaft, and sharp blades extend out along the circumferential movement direction of the cutter.

[0007] The general working principle of the sizing device in this utility model patent is: the motor drives the sizing component to rotate, and the latter includes a support rod and an arc-shaped cutter, so it can provide basic slurry stirring and fiber cutting effects.

[0008] However, since a sampling tube is provided, the sizing component can only be arranged at a lower position and the quantity is limited. The fixed arc-shaped reamer cannot cut the fibers quickly. Therefore, the ultimate impact is that the sizing device cannot output a slurry with appropriate fiber length in a short time. If this slurry is directly used in the production of flushable non-woven materials, there will be a large difference in thickness at various parts of the material, and the overall quality is poor.

[0009] Therefore, in summary, there is an urgent need for a new type of sizing equipment with highly efficient uniform stirring operation and fiber cutting operation for the production of flushable non-woven materials. Summary of the Invention

[0010] The present invention provides a sizing equipment for the production of flushable non-woven materials. By means of arranging a hollow stirring shaft unit, an air inflation ring unit, an opening stirring column unit, a fixed cutter, and a reset rotary cutter unit on the kettle body, the slurry in the sizing equipment can be quickly stirred evenly, and the fibers in the slurry can also be quickly cut into the required length range.

[0011] The technical solution adopted by the present invention to solve the above problems is: a sizing equipment for the production of flushable non-woven materials, the structure includes a kettle body, and also includes a hollow stirring shaft unit arranged on the kettle body, an air inflation ring unit sleeved on the outer section of the hollow stirring shaft unit, an opening stirring column unit arranged on the hollow stirring shaft unit and used for blowing air to stir the slurry, a fixed cutter arranged on the opening stirring column unit, and a reset rotary cutter unit arranged on the opening stirring column unit and used for rotating to cut the fibers and cutting the residual fibers at the cutting edge of the fixed cutter.

[0012] A further preferred technical solution lies in that: the hollow stirring shaft unit includes a vertical shaft body inserted on the top plate of the kettle body, a vertical channel arranged in the vertical shaft body, an air inlet hole arranged on the outer section of the vertical shaft body and communicating with the vertical channel, and an air outlet hole arranged on the inner section of the vertical shaft body and communicating with the vertical channel.

[0013] A further preferred technical solution lies in that: the air inflation ring unit includes a ring arranged on the upper surface of the kettle body and sleeved on the outer section of the vertical shaft body, a radial air inflating pipe arranged on the ring, and two blocking rings arranged on the inner ring surface of the ring and located at the upper and lower sides of the air inlet hole respectively.

[0014] A further preferred technical solution is that: the perforated stirring column unit includes a transverse column arranged on the inner section of the vertical shaft body, a rectangular opening arranged on the transverse column and used for installing the fixed cutter and the reset rotary cutter unit, a transverse channel arranged in the transverse column and connected to the air outlet hole, and a blowing and stirring hole arranged between the transverse channel and the inner side surface of the rectangular opening.

[0015] A further preferred technical solution is that: the number of the transverse channels is 2, which are respectively arranged at the upper and lower positions of the rectangular opening and at the left and right positions of the reset rotary cutter unit to blow air to push the reset rotary cutter unit to rotate and reset.

[0016] A further preferred technical solution is that: the number of the fixed cutters is two groups, which are respectively inclinedly arranged on the inner top surface and the inner bottom surface of the rectangular opening, and the cutting edge direction faces the rotation advancing direction of the transverse column body.

[0017] A further preferred technical solution is that: the reset rotary cutter unit includes a transverse fixed shaft arranged in the rectangular opening, a blade, a mounting hole arranged on the blade and used for inserting the transverse fixed shaft, a torsion spring arranged in the mounting hole and sleeved with the transverse fixed shaft and used for driving the blade to rotate and reset to a vertical state, and a unilateral counterweight block arranged on the side surface of the blade and close to the back of the knife and used for rotating the cutting edge of the blade forward when the transverse column body rotates.

[0018] A further preferred technical solution is that: the vertical distance between the cutting edge of the blade and the cutting edge of the adjacent fixed cutter is 1-2 mm; the vertical distance between the back of the blade and the cutting edge of the adjacent fixed cutter is 2-3 mm.

[0019] A further preferred technical solution is that: the reset rotary cutter unit further includes an auxiliary blade arranged on the back of the blade and used for cutting fibers on the cutting edge of the fixed cutter.

[0020] A further preferred technical solution is that: the reset rotary cutter unit further includes a slotted and protruding plate arranged on the side surface of the blade and used for receiving the bubble thrust for reset pushing at the blowing and stirring hole.

[0021] The present invention has the following advantages.

[0022] First, the hollow stirring shaft unit is externally connected to a motor, and the inner side drives the perforated stirring column unit to rotate, ensuring the effective basic pulp mixing function of the rotary stirring.

[0023] Second, the external air pump can blow air into the slurry through the inflatable ring unit, the hollow stirring shaft unit, and the perforated stirring column unit in sequence, ensuring that the slurry mixing operation has the effect of blowing and stirring, and making the slurry mixing operation faster.

[0024] Third, when the perforated stirring column unit rotates in the horizontal plane, the reset rotary cutter unit rotates in the vertical plane to a nearly horizontal state. At this time, the cutting edges of the two groups of fixed cutters all face the direction of rotation and advancement, ensuring that the fibers in the slurry can be quickly cut into the required length range.

[0025] Fourth, in the later stage of the rotation of the perforated stirring column unit, the speed slows down until it stops. At this time, the power of the cutting edges of the reset rotary cutter unit and the fixed cutters is not enough to cut the fibers, so there will be a lot of fibers remaining on the cutting edges. Then, the reset rotary cutter unit rotates and resets itself, and the blowing at the perforated stirring column unit promotes the reset rotation, which can cause the cutting edges to squeeze and approach within a safe range, enabling the remaining fibers in this part to be cut one last time. Finally, at least ensure that in the slurry discharged during wet laying, the amount of fibers with the required length is relatively large, and the thickness of the final water-soluble non-woven material is more uniform and of higher quality.

[0026] Fifth, when the perforated stirring column unit rotates, the bubbles it discharges face the rear end of the rotation direction, which will not restrict the rotation working state of the reset rotary cutter unit. Moreover, the torsion spring in the reset rotary cutter unit and the bubble-pushing reset force have the same effect, which is to make the blade reset as quickly as possible.

[0027] Sixth, the reset rotary cutter unit comes with an unbalanced single-sided counterweight block to ensure that when the perforated stirring column unit rotates, the back of its blade can easily "lag behind", making the cutting edge face forward and ensuring the effectiveness of its fiber cutting action.

[0028] Seventh, the cutting edges of the upper and lower two groups of fixed cutters can all have the final fiber cutting action. After introducing the auxiliary blade to replace the original blade back, the final fiber cutting effect is further improved.

[0029] Eighth, the grooves and protruding plates can further and appropriately improve the bubble-pushing reset effect on the blade, ensuring that the blade resets quickly so as to perform the above-mentioned final fiber cutting action with sufficient power. Description of the Drawings

[0030] Figure 1 It is a schematic structural diagram of the present invention.

[0031] Figure 2 It is a schematic position structure diagram of the hollow stirring shaft unit and the inflatable ring unit in the present invention.

[0032] Figure 3 This is a schematic diagram of the positional structure of the perforated stirring column unit in the present invention.

[0033] Figure 4 This is a schematic diagram of the working mode of the reset rotary cutter unit when the perforated stirring column unit in the present invention rotates.

[0034] Figure 5 This is a schematic diagram of the way the reset rotary cutter unit finally shreds the residual fibers when the perforated stirring column unit in the present invention stops.

[0035] Figure 6 This is a schematic diagram of the positions of the torsion spring and the unilateral counterweight in the present invention.

[0036] Figure 7 This is a schematic diagram of the way the slotted and protruding plates are used to "amplify" the action of the bubbles on the rotary reset movement of the blade in the present invention.

[0037] In the attached drawings, the meanings represented by the respective reference numerals are as follows: residual fiber a, working state bubble b, rotation direction c, blade rotation reset state bubble d, exhaust hole e.

[0038] Kettle body 1, hollow stirring shaft unit 2, air inflation ring unit 3, perforated stirring column unit 4, fixed cutter 5, reset rotary cutter unit 6.

[0039] Vertical shaft body 201, vertical duct 202, air inlet hole 203, air outlet hole 204, ring 301, radial air supply pipe 302, blocking ring 303, horizontal column body 401, rectangular opening 402, horizontal duct 403, air blowing and stirring hole 404, horizontal fixed shaft 601, blade 602, mounting duct 603, torsion spring 604, unilateral counterweight 605, auxiliary blade 606, slot 607, protruding plate 608. Detailed implementation manners

[0040] The following only describes the preferred embodiments of the present invention and does not limit the scope of the present invention.

[0041] As shown in the attached Figure 1-7 As shown, a sizing equipment for producing flushable non-woven materials, the structure includes a kettle body 1, and also includes a hollow stirring shaft unit 2 arranged on the kettle body 1, an air inflation ring unit 3 sleeved on the outer section of the hollow stirring shaft unit 2, a perforated stirring column unit 4 arranged on the hollow stirring shaft unit 2 and used for blowing and stirring the sizing, a fixed cutter 5 arranged on the perforated stirring column unit 4, and a reset rotary cutter unit 6 arranged on the perforated stirring column unit 4 and used for rotating and shredding fibers and shredding the residual fibers at the cutting edge of the fixed cutter 5.

[0042] In this embodiment, necessary feed ports and discharge ports are further provided on the kettle body 1. In addition, the upper end of the hollow stirring shaft unit 2 is connected to a motor, and the air inflation ring unit 3 is externally connected to an air pump. It is only necessary to use air to blow and stir the slurry, and finally all the air is discharged at the exhaust hole e.

[0043] Furthermore, the perforated stirring column units 4 are arranged in 3 - 8 circles on the hollow stirring shaft unit 2, with 2 - 4 in each circle. Each of the perforated stirring column units 4 is provided with the fixed cutter 5 and the reset rotary cutter unit 6. Finally, the slurry has two uniform slurry - adjusting effects of rotary stirring and blowing agitation. For the fibers with too long length in the slurry, they can be chopped and shortened by the moving fixed cutter 5 and the main body of the reset rotary cutter unit 6.

[0044] Finally, after the motor stops, there will surely be some residual fibers on the blades of the fixed cutter 5 and the reset rotary cutter unit 6. At this time, the reset rotary cutter unit 6 rotates and resets to the initial vertical state, and together with the fixed cutter 5, it can finally chop these residual fibers.

[0045] Ultimately, for the slurry during wet - laid non - woven fabric formation, all its internal components are evenly mixed, the length of its fiber components is appropriately short, meeting the requirements of the wet - laid non - woven fabric process. The fibers can be quickly and evenly distributed on the wire mesh curtain, and the final flushable non - woven material is not prone to quality problems such as uneven thickness.

[0046] The hollow stirring shaft unit 2 includes a vertical shaft body 201 inserted and arranged on the top plate of the kettle body 1, a vertical channel 202 arranged inside the vertical shaft body 201, an air inlet hole 203 arranged on the outer side section of the vertical shaft body 201 and communicating with the vertical channel 202, and an air outlet hole 204 arranged on the inner side section of the vertical shaft body 201 and communicating with the vertical channel 202.

[0047] In this embodiment, both the upper and lower ends of the vertical channel 202 are blocked, and air is only discharged at the air outlet hole 204. The quantity and position of the air outlet holes 204 correspond one - to - one with the perforated stirring column units 4.

[0048] The air inflation ring unit 3 includes a circular ring 301 arranged on the upper surface of the kettle body 1 and sleeved on the outer side section of the vertical shaft body 201, a radial air - charging pipe 302 arranged on the circular ring 301, and two blocking rings 303 arranged on the inner ring surface of the circular ring 301 and located at the upper and lower sides of the air inlet hole 203 respectively.

[0049] In this embodiment, the radial air charging pipe 302 is externally connected to an air pump. The material and shape of the blocking ring 303 are a circle of bristles or an elastic rubber ring, and it is only necessary to ensure a certain degree of reduction in the effect of air leakage, without the need to tightly clamp it with the vertical shaft body 201.

[0050] The opening stirring column unit 4 includes a transverse column body 401 arranged on the inner side section of the vertical shaft body 201, a rectangular opening 402 arranged on the transverse column body 401 and used for installing the fixed cutter 5 and the reset rotary cutter unit 6, a transverse channel 403 arranged inside the transverse column body 401 and connected to the air outlet 204, and a blowing and stirring hole 404 arranged between the inner side surfaces of the transverse channel 403 and the rectangular opening 402.

[0051] In this embodiment, bubbles are generated at the blowing and stirring hole 404, and the bubbles move upward in the slurry until they escape. During this process, the slurry can be stirred to make various raw materials inside it mix more quickly and evenly.

[0052] However, it should be noted that if the sizing equipment needs to be shut down for a long time, clean water needs to be introduced at the radial air charging pipe 302 to wash down all the slurry that may remain in the vertical channel 202, the transverse channel 403, and the blowing and stirring hole 404. Otherwise, when the sizing equipment is reused, many of the blowing and stirring holes 404 may be blocked.

[0053] Of course, during the normal use of the sizing equipment, there is no need to worry about the problem of slurry entering, after all, high-pressure bubbles are continuously discharged at the blowing and stirring hole 404. Moreover, further, the end time of the air charging action at the radial air charging pipe 302 should be later than the full discharge time of the slurry, so that excessive air is filled to prevent a small amount of slurry from entering at the blowing and stirring hole 404.

[0054] The number of the transverse channels 403 is 2, which are respectively arranged at the upper and lower positions of the rectangular opening 402 and at the left and right positions of the reset rotary cutter unit 6 to be used for blowing air to push the reset rotary cutter unit 6 to rotate and reset.

[0055] In this embodiment, the working state of the reset rotary cutter unit 6 is that its blade is approximately horizontal, and its idle state is that its blade is vertical. Therefore, after the motor stops, the reset rotary cutter unit 6 slowly rotates from the approximately horizontal state to the vertical state. At this time, the two transverse channels 403, one above and one below, and one on the left and one on the right, can provide an auxiliary force for the tilted reset rotary cutter unit 6 to rotate and reset.

[0056] In this way, the reset rotary cutter unit 6 can rotate and reset relatively quickly, and its cutting edge can approach the fixed cutter 5 relatively quickly. The fibers remaining on the cutting edges of both can be chopped and cut off, ultimately achieving the effect of reducing the length of the fibers in the pulp.

[0057] The number of the fixed cutters 5 is two groups, which are respectively inclined and arranged on the inner top surface and the inner bottom surface of the rectangular opening 402, and the cutting edge directions face the rotation advancing direction of the transverse cylinder 401.

[0058] In this embodiment, when the fixed cutter 5 rotates together with the transverse cylinder 401, it can also cut off fibers by itself. After the motor stops, fibers will also remain on its cutting edge. Therefore, the rotation and reset action of the reset rotary cutter unit 6 is beneficial to both the fixed cutter 5 and the reset rotary cutter unit 6 itself.

[0059] The reset rotary cutter unit 6 includes a transverse fixed shaft 601 arranged in the rectangular opening 402, a blade 602, a mounting hole 603 arranged on the blade 602 and used for inserting into the transverse fixed shaft 601, a torsion spring 604 arranged in the mounting hole 603 and sleeved with the transverse fixed shaft 601 and used for driving the blade 602 to rotate and reset to the vertical state, and a unilateral counterweight 605 arranged on the side surface of the blade 602, near the back of the knife, and used for rotating the cutting edge of the blade 602 forward when the transverse cylinder 401 rotates.

[0060] In this embodiment, after the motor stops, there are three places where fibers may remain: the cutting edge of the blade 602, the cutting edge of the upper fixed cutter 5, and the cutting edge of the lower fixed cutter 5.

[0061] During the process of the blade 602 rotating and resetting to the vertical state, the torsion force of the torsion spring 604 is the main driving force, and the force generated by the blowing and stirring holes 404 blowing up and down, left and right is the auxiliary driving force. Finally, the blade 602 can rotate and reset relatively quickly. At this time, its cutting edge quickly approaches the cutting edge of the lower fixed cutter 5, and its back quickly approaches the cutting edge of the upper fixed cutter 5, ultimately chopping all the remaining fibers in the above three places and minimizing the amount of unqualified long fibers in the falling pulp.

[0062] In addition, the power of the motor ultimately drives the blade 602 to rotate together through the transverse fixed shaft 601. At this time, if there is no unilateral counterweight 605, the blade 602 is likely to always remain in the vertical state, and in this way, the fibers cannot be fully chopped.

[0063] In other words, this is the function of the unbalanced single-sided counterweight 605. Of course, the torsion force of the torsion spring 604 is sufficient to overcome this unbalanced force, and when the motor stops, the blade 602 can still be restored to the vertical state.

[0064] The vertical distance between the cutting edge of the blade 602 and the cutting edge of the fixed cutter 5 on the approaching side is 1-2 mm; the vertical distance between the back of the blade 602 and the cutting edge of the fixed cutter 5 on the approaching side is 2-3 mm.

[0065] In this embodiment, the above distance values are all measured when the blade 602 is in the vertical state, and they are all the average distance values between the corresponding sides. The shape of the back of the blade 602 is not as neat as that of its cutting edge. Therefore, the latter distance value range is larger, in order to prevent the back of the blade 602 from hitting the upper fixed cutter 5.

[0066] The reset rotary cutter unit 6 further includes an auxiliary blade 606 disposed on the back of the blade 602 and used for cutting fibers on the cutting edge of the fixed cutter 5.

[0067] In this embodiment, the auxiliary blade 606 replaces the original back of the blade 602, so the fiber cutting effect at this place can be further improved.

[0068] However, it should be noted that the auxiliary blade 606 cannot cut fibers during the main sizing process of the rotation of the horizontal cylinder 401 because it is at the rear end of the rotation direction.

[0069] The reset rotary cutter unit 6 further includes a slot 607 and a protruding plate 608 disposed on the side of the blade 602 and used for receiving the bubble thrust for resetting and pushing at the air-blowing and stirring hole 404.

[0070] In this embodiment, the results of the comparison between multiple force magnitudes, from largest to smallest, are: the driving force of the horizontal fixed shaft 601 on the blade 602, the restoring force of the torsion spring 604 on the blade 602, the "inertial force" of the single-sided counterweight 605 on the blade 602, and the restoring force of the blade rotation reset state bubble d on the blade 602.

[0071] Therefore, the slot 607 and the protruding plate 608 are only used to increase the smallest "bubble restoring force" among the above forces, and these two do not affect the reset effect of the blade 602 and the "inertial force" effect of the single-sided counterweight 605.

[0072] Whether the blades 602 and the cutting edges of the fixed cutter 5 are sharp is the main factor affecting whether the residual fibers can be quickly and completely cut. The fact that the blades 602 quickly rotate and reset only assists and strengthens the cutting effect of the above residual fibers.

[0073] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various modifications can be made without departing from the gist of the present invention. These are all non-creative modifications and are protected by the patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A sizing equipment for producing water-dispersible nonwoven materials, the structure of which comprises a kettle body (1), and is characterized in that: It further includes a hollow stirring shaft unit (2) arranged on the kettle body (1), an air inflation ring unit (3) sleeved on the outer section of the hollow stirring shaft unit (2), an opening stirring column unit (4) arranged on the hollow stirring shaft unit (2) and used for blowing air to stir the slurry, a fixed cutter (5) arranged on the opening stirring column unit (4), and a reset rotary cutter unit (6) arranged on the opening stirring column unit (4) and used for rotating and cutting the fibers and cutting the residual fibers at the cutting edge of the fixed cutter (5). The hollow stirring shaft unit (2) includes a vertical shaft body (201) inserted and arranged on the top plate of the kettle body (1), a vertical channel (202) arranged in the vertical shaft body (201), an air inlet hole (203) arranged on the outer section of the vertical shaft body (201) and communicating with the vertical channel (202), and an air outlet hole (204) arranged on the inner section of the vertical shaft body (201) and communicating with the vertical channel (202). The opening stirring column unit (4) includes a horizontal column body (401) arranged on the inner section of the vertical shaft body (201), a rectangular opening (402) arranged on the horizontal column body (401) and used for installing the fixed cutter (5) and the reset rotary cutter unit (6), a horizontal channel (403) arranged in the horizontal column body (401) and butting against the air outlet hole (204), and a blowing and stirring hole (404) arranged between the inner side surfaces of the horizontal channel (403) and the rectangular opening (402). The number of the horizontal channels (403) is two, which are respectively arranged at the upper and lower positions of the rectangular opening (402) and at the left and right positions of the reset rotary cutter unit (6) for blowing air to push the reset rotary cutter unit (6) to rotate and reset. The reset rotary cutter unit (6) includes a horizontal fixed shaft (601) arranged in the rectangular opening (402), a blade (602), a mounting hole (603) arranged on the blade (602) and used for inserting into the horizontal fixed shaft (601), a torsion spring (604) arranged in the mounting hole (603) and sleeved with the horizontal fixed shaft (601) and used for driving the blade (602) to rotate and reset to the vertical state, and a unilateral counterweight block (605) arranged on the side surface of the blade (602) and close to the back of the blade for rotating the cutting edge of the blade (602) forward when the horizontal column body (401) rotates.

2. The sizing equipment for producing a flushable nonwoven material according to claim 1, characterized in that: The air inflation ring unit (3) includes a ring (301) arranged on the upper surface of the kettle body (1) and sleeved on the outer section of the vertical shaft body (201), a radial air inflation pipe (302) arranged on the ring (301), and two blocking rings (303) arranged on the inner ring surface of the ring (301) and respectively located at the upper and lower positions of the air inlet hole (203).

3. The sizing equipment for producing the flushable nonwoven material according to claim 1, characterized in that: The number of the fixed cutting knives (5) is two groups, which are respectively inclined and arranged on the inner top surface and the inner bottom surface of the rectangular opening (402), and the cutting edge direction faces the rotation advancing direction of the transverse cylinder (401).

4. The sizing equipment for producing a flushable nonwoven material according to claim 1, wherein: The vertical distance between the cutting edge of the blade (602) and the cutting edge of the adjacent fixed cutting knife (5) is 1-2 mm; the vertical distance between the back of the blade (602) and the cutting edge of the adjacent fixed cutting knife (5) is 2-3 mm.

5. The sizing equipment for producing the flushable nonwoven material according to claim 1, characterized in that: The reset rotary cutting knife unit (6) further includes an auxiliary blade (606) which is arranged on the back of the blade (602) and is used for cutting fibers on the cutting edge of the fixed cutting knife (5).

6. The sizing equipment for producing a flushable nonwoven material according to claim 1, characterized in that: The reset rotary cutting knife unit (6) further includes a slot (607) and a protruding plate (608) which are arranged on the side surface of the blade (602) and are used for receiving the bubble thrust for reset pushing at the air blowing and stirring hole (404).

Images