CN112281460B - Melt-blown non-woven fabric shaping and cutting method - Google Patents

Melt-blown non-woven fabric shaping and cutting method Download PDF

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Publication number
CN112281460B
CN112281460B CN202011338226.4A CN202011338226A CN112281460B CN 112281460 B CN112281460 B CN 112281460B CN 202011338226 A CN202011338226 A CN 202011338226A CN 112281460 B CN112281460 B CN 112281460B
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melt
woven fabric
blown non
cutting
transmission
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CN112281460A (en
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冯小凤
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SHANDONG MINGHE PHARMACEUTICAL Co.,Ltd.
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Shandong Minghe Pharmaceutical Co ltd
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06HMARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials

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  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention provides a melt-blown non-woven fabric shaping and cutting method, which adopts a melt-blown non-woven fabric shaping and cutting device, wherein the melt-blown non-woven fabric shaping and cutting device comprises a base, a conveying unit and a cutting unit, a discharge through hole is formed in the upper end of the base, the conveying unit is installed inside the lower end of the base, and the cutting unit is installed on the inner wall of the base; the cutting device can solve the problems that the traditional melt-blown non-woven fabric cutting device firstly cuts the melt-blown non-woven fabric, cuts off leftover materials of the melt-blown non-woven fabric and then cuts the melt-blown non-woven fabric for the second time, and because the melt-blown non-woven fabric cannot be flattened during cutting, the processed melt-blown non-woven fabric is prone to wrinkling, the quality of a finished product at the later stage is affected, the working efficiency is affected, the cost is consumed, and the like.

Description

Melt-blown non-woven fabric shaping and cutting method
Technical Field
The invention relates to the technical field of melt-blown non-woven fabric processing, in particular to a method for shaping and cutting melt-blown non-woven fabric.
Background
The melt-blown non-woven fabric is formed by drafting polymer melt trickle extruded from spinneret orifices by adopting high-speed hot air flow, so that superfine fibers are formed and collected on a condensing net curtain or a roller, and are bonded by the melt-blown non-woven fabric; the melt-blown non-woven fabric mainly uses polypropylene as a main raw material, and the fiber diameter can reach 1-5 microns. The superfine fiber with a unique capillary structure increases the number and the surface area of the fiber per unit area, so that the melt-blown non-woven fabric has good filterability, shielding property, heat insulation property and oil absorption property; can be used in the fields of air and liquid filtering materials, isolating materials, absorbing materials, mask materials, warm-keeping materials, oil absorbing materials, wiping cloth and the like.
However, the following problems exist when the melt-blown non-woven fabric is shaped and cut at present: traditional melt blown non-woven fabrics cutting device cuts melt blown non-woven fabrics earlier, cuts melt blown non-woven fabrics's leftover bits, and then cuts it twice, can't flatten melt blown non-woven fabrics when owing to cut to easily cause the fold to appear in the melt blown non-woven fabrics that processing was accomplished, consequently influence the off-the-shelf quality in later stage, influence work efficiency, and consume the cost.
Disclosure of Invention
In order to solve the problems, the invention provides a melt-blown non-woven fabric shaping and cutting method, which adopts the following melt-blown non-woven fabric shaping and cutting device, wherein the melt-blown non-woven fabric shaping and cutting device comprises a base, a conveying unit and a cutting unit, the upper end of the base is provided with a discharge through hole, the conveying unit is arranged inside the lower end of the base, the cutting unit is arranged on the inner wall of the base, and the melt-blown non-woven fabric shaping and cutting method comprises the:
the base includes base, backup pad and baffle, wherein: discharging hole has been seted up to base upper end bilateral symmetry, has seted up the cylinder spout along base upper end bilateral symmetry, and the base has seted up the linkage groove around inside, has seted up the connecting hole between the linkage groove, and the backup pad is installed to base upper end longitudinal symmetry, has seted up vertical spout along backup pad inside wall center department, has seted up the transmission groove along vertical spout and linkage groove between, and the baffle longitudinal symmetry sets up on base right-hand member outer wall around.
The conveying unit comprises a transmission motor, a transmission roller, a limiting plate, a supporting spring rod, an execution roller, a transmission shaft, a winding roller and a tensioning assembly; wherein: transmission motor passes through the motor cabinet to be installed on base front end left side cylinder spout department outer wall, there is the driving roller transmission motor output shaft end through splined connection, the driving roller slides and sets up in the cylinder spout, the limiting plate is installed on the backup pad inside wall, the supporting spring pole is installed to the symmetry around the limiting plate lower extreme, the terminal slip of supporting spring pole is provided with the execution roller, the transmission shaft rotates and sets up in the connecting hole, transmission shaft one side is connected through the belt drive with the left side driving roller, and the transmission shaft opposite side is connected through the belt drive with the right side driving roller, the winding roller slides and sets up on the baffle inside wall, and the winding roller is connected through the belt drive with the right side driving roller.
The cutting unit comprises a transmission cam, a linkage pin, a linkage rod, a bearing plate, a positioning block, a cutting seat and a fixing block, wherein: the transmission cam is symmetrically arranged on the outer wall of the transmission shaft in the front-back direction, the transmission cam is arranged in the linkage groove in a sliding mode, the linkage pin is arranged at the outer edge of the outer side wall of the transmission cam, the linkage rod is arranged on the outer wall of the linkage pin in a sliding mode, the other side of the linkage rod is arranged in the transmission groove in a sliding mode, the tail end of the linkage rod is provided with a bearing plate in sliding connection with a longitudinal sliding groove, a positioning block is arranged at the lower end of the bearing plate, a cutting seat is arranged on the lower end of the positioning block in a bilateral symmetry mode, a rectangular groove convenient to cut is formed in the lower end of the cutting seat, the fixing block is symmetrically arranged at the upper end.
The melt-blown non-woven fabric shaping and cutting device for shaping and cutting the melt-blown non-woven fabric comprises the following steps:
s1, melt-blown non-woven fabric installation: installing the melt-blown non-woven fabric to be processed on the device, and starting the device;
s2, conveying the melt-blown non-woven fabric: the melt-blown non-woven fabric is intermittently conveyed to the right side through the conveying unit, and the melt-blown non-woven fabric can be tensioned around so as to be conveniently cut by the cutting unit;
s3, cutting the melt-blown non-woven fabric: can cooperate the conveying unit to carry out intermittent type continuous design to melt-blown non-woven fabrics through cutting the unit and cut, and can carry out the rolling with cutting remaining clout to reach resource make full use of.
As a preferred technical scheme of the invention, the tensioning assembly comprises a limiting block, a driving motor, a flattening roller, an auxiliary roller, a transmission gear and an execution gear, wherein: stopper evenly installs in base upper end discharge hole corner, the spread groove has been seted up to the stopper inboard, it is provided with nip roll and auxiliary roller to slide along stopper inside wall longitudinal symmetry, driving motor passes through the motor cover and installs on the lateral wall of arbitrary one stopper, driving motor output shaft end-to-end connection has the nip roll, nip roll end-to-end cover is equipped with drive gear, the auxiliary roller is installed on nip roll lower extreme stopper inside wall, and the terminal cover of auxiliary roller is equipped with the execution gear who meshes mutually with drive gear, the auxiliary roller is connected through the belt drive with opposite side nip roll.
As a preferable technical solution of the present invention, the support plate is a cross structure for enhancing a balance force of the positioning block.
As a preferable technical scheme, the cutting blade used for enhancing the cutting efficiency is arranged at the lower end of the cutting seat in the circumferential direction, and the tapered groove matched with the cutting blade is formed in the upper end of the abdicating groove.
As a preferable technical scheme of the invention, the fixing block is of a trapezoidal structure which is convenient for preventing the cloth from being scratched during feeding and discharging.
According to a preferable technical scheme of the invention, rubber strips for enhancing friction force are uniformly arranged on the outer side walls of the flattening roll and the auxiliary roll in the circumferential direction.
The invention has the beneficial effects that:
the invention greatly improves the shaping and cutting of the melt-blown non-woven fabric, and can solve the problems that the melt-blown non-woven fabric is generally cut firstly by a traditional melt-blown non-woven fabric cutting device, leftover materials of the melt-blown non-woven fabric are cut off, and then the melt-blown non-woven fabric is cut for the second time, and the melt-blown non-woven fabric cannot be flattened during cutting, so that the processed melt-blown non-woven fabric is easily wrinkled, the quality of a finished product at the later stage is influenced, the working efficiency is influenced, the cost is consumed, and the like.
The conveying unit is arranged, so that the melt-blown non-woven fabric to be processed can be intermittently conveyed to the right side, the periphery of the melt-blown non-woven fabric can be tensioned, the melt-blown non-woven fabric can be conveniently cut by the cutting unit, and the cut residual materials can be wound to reduce the cost.
The cutting unit is arranged, intermittent continuous shaping and cutting can be performed on the melt-blown non-woven fabric by matching with the conveying unit, secondary processing can be avoided, and therefore working efficiency is effectively improved.
The tensioning assembly is arranged, and the melt-blown non-woven fabric can be flattened outwards by matching with the conveying unit so as to avoid wrinkles of the melt-blown non-woven fabric, so that the cut melt-blown non-woven fabric is qualified in size.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a front cross-sectional view of the present invention.
Fig. 4 is a left side cross-sectional view of the present invention.
Fig. 5 is a sectional view taken along line a-a of fig. 3 of the present invention.
Fig. 6 is a partial sectional view at B of fig. 4 of the present invention.
Fig. 7 is a partial structural schematic view of the bearing plate, the positioning block and the fixing block of the invention.
Fig. 8 is a partial cross-sectional view at C of fig. 7 of the present invention.
Figure 9 is a perspective view of the tension assembly of the present invention.
Fig. 10 is a schematic perspective view of the nip roll of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 10, the present invention provides a method for shaping and cutting a melt-blown non-woven fabric, which employs a melt-blown non-woven fabric shaping and cutting device, wherein the melt-blown non-woven fabric shaping and cutting device comprises a base 1, a conveying unit 2 and a cutting unit 3, a discharge through hole 111 is formed at the upper end of the base 1, the conveying unit 2 is installed inside the lower end of the base 1, and the cutting unit 3 is installed on the inner wall of the base 1, wherein:
the base 1 comprises a base 11, a support plate 12 and a baffle 13, wherein: discharging hole 111 has been seted up to base 11 upper end bilateral symmetry, cylindrical chute 112 has been seted up along base 11 upper end bilateral symmetry, and base 11 has been inside around the symmetry seted up linkage groove 113, has seted up connecting hole 114 between the linkage groove 113, backup pad 12 is installed to base 11 upper end longitudinal symmetry, has seted up vertical spout 121 along backup pad 12 inside wall center department, has seted up drive groove 122 along vertical spout 121 and linkage groove 113 between, baffle 13 longitudinal symmetry sets up on base 11 right-hand member outer wall.
The conveying unit 2 comprises a transmission motor 21, a transmission roller 22, a limiting plate 23, a supporting spring rod 24, an execution roller 25, a transmission shaft 26, a winding roller 27 and a tensioning assembly 28, wherein: the transmission motor 21 is installed on the outer wall of a left cylindrical sliding groove 112 at the front end of the base 11 through a motor base, the tail end of an output shaft of the transmission motor 21 is connected with a transmission roller 22 through a spline, the transmission roller 22 is arranged in the cylindrical sliding groove 112 in a sliding mode, the limiting plate 23 is installed on the inner side wall of the supporting plate 12, the supporting spring rods 24 are symmetrically installed at the front and back of the lower end of the limiting plate 23, an execution roller 25 is arranged at the tail end of each supporting spring rod 24 in a sliding mode, a transmission shaft 26 is rotatably arranged in a connecting hole 114, one side of the transmission shaft 26 is connected with the left transmission roller 22 through belt transmission, the other side of the transmission shaft 26 is connected with the right transmission roller 22 through belt transmission, a winding roller 27 is arranged on the inner; during specific work, open drive motor 21, drive motor 21 drives driving roller 22 and carries out clockwise intermittent type and rotate to cooperation execution roller 25 will melt the non-woven fabrics and carry to cutting unit 3 to the right side, and driving roller 22 drives transmission shaft 26 and carries out clockwise intermittent type and rotate during, and right side driving roller 22 drives wind-up roll 27 and clockwise intermittent type rotates, thereby makes wind-up roll 27 will cut remaining clout and roll, in order to reach resource make full use of.
The tensioning assembly 28 comprises a limit block 281, a driving motor 282, a nip roller 283, an auxiliary roller 284, a transmission gear 285 and an execution gear 286, wherein: the limiting blocks 281 are uniformly installed at the corners of the discharging through holes 111 at the upper end of the base 11, connecting grooves 2811 are formed in the inner sides of the limiting blocks 281, flattening rollers 283 and auxiliary rollers 284 are arranged on the inner side walls of the limiting blocks 281 in an up-down symmetrical sliding mode, the driving motor 282 is installed on the outer side wall of any one of the limiting blocks 281 through a motor cover, the tail end of an output shaft of the driving motor 282 is connected with the flattening rollers 283, transmission gears 285 are sleeved at the tail ends of the flattening rollers 283, the auxiliary rollers 284 are installed on the inner side walls of the limiting blocks 281 at the lower ends of the flattening rollers 283, and rubber strips 2831 for; an execution gear 286 meshed with the transmission gear 285 is sleeved at the tail end of the auxiliary roller 284, and the auxiliary roller 284 is in transmission connection with the other side flattening roller 283 through a belt; during operation, open driving motor 282, driving motor 282 drives nip roll 283 and carries out anticlockwise rotation, thereby make nip roll 283 cooperate actuating gear 286 to drive auxiliary roller 284 through drive gear 285 and carry out clockwise rotation, nip roll 283 drives opposite side actuating roller 25 and carries out anticlockwise rotation simultaneously, thereby make this actuating roller 25 cooperate drive gear 285 to drive this side nip roll 283 to carry out clockwise rotation through actuating gear 286, thereby can will melt the outside exhibition of the side of melt-blown non-woven fabrics through rubber strip 2831, it is qualified to guarantee to cut the melt-blown non-woven fabrics size of accomplishing.
The cutting unit 3 comprises a transmission cam 31, a linkage pin 32, a linkage rod 33, a bearing plate 34, a positioning block 35, a cutting seat 36 and a fixing block 37, wherein: the transmission cams 31 are symmetrically arranged on the outer wall of the transmission shaft 26 in a front-back manner, the transmission cams 31 are arranged in the linkage grooves 113 in a sliding manner, linkage pins 32 are arranged at the outer edges of the outer side walls of the transmission cams 31, linkage rods 33 are arranged on the outer walls of the linkage pins 32 in a sliding manner, the other sides of the linkage rods 33 are arranged in the transmission grooves 122 in a sliding manner, bearing plates 34 connected with the longitudinal sliding grooves 121 in a sliding manner are arranged at the tail ends of the linkage rods 33, positioning blocks 35 are arranged at the lower ends of the bearing plates 34, and the bearing plates 34 are of a cross; the lower end of the positioning block 35 is bilaterally symmetrically provided with a cutting seat 36, a rectangular groove 361 convenient for cutting is formed along the lower end of the cutting seat 36, and a cutting edge 362 used for enhancing the cutting efficiency is arranged at the lower end of the cutting seat 36 in the circumferential direction; the fixing blocks 37 are symmetrically arranged at the upper end of the base 11 left and right, and the fixing blocks 37 are of a trapezoidal structure which is convenient for preventing the cloth from being scratched in the process of loading and unloading; and the upper end of the fixed block 37 is provided with a yielding groove 371 matched with the cutting seat 36, the center of the fixed block 37 is provided with a blanking hole 372 matched with the discharging through hole 111, and the upper end of the yielding groove 371 is provided with a tapered groove 373 matched with the cutting edge 362.
During specific work, the transmission cam 31 rotates clockwise under the effect of the transmission shaft 26, the transmission shaft 26 drives the linkage rod 33 to perform up-and-down reciprocating motion through the linkage pin 32 in cooperation with the transmission groove 122, the linkage rod 33 drives the positioning block 35 to perform up-and-down reciprocating motion through the bearing plate 34, the positioning block 35 drives the cutting edge 362 to perform up-and-down reciprocating motion through the cutting seat 36, so that the cutting edge 362 is matched with the tapered groove 373 to perform cutting treatment on melt-blown non-woven fabric, and the melt-blown non-woven fabric which is cut and completed is discharged to the outside of the device through the blanking hole 372 and the discharge through hole 111.
The melt-blown non-woven fabric shaping and cutting device for shaping and cutting the melt-blown non-woven fabric comprises the following steps:
s1, melt-blown non-woven fabric installation: installing the melt-blown non-woven fabric to be processed on the device, and starting the device;
s2, conveying the melt-blown non-woven fabric: the transmission motor 21 is turned on, the transmission motor 21 drives the transmission roller 22 to rotate clockwise intermittently, so that the melt-blown non-woven fabric is conveyed to the cutting unit 3 towards the right side by matching with the execution roller 25, the transmission roller 22 drives the transmission shaft 26 to rotate clockwise intermittently during the period, and the right transmission roller 22 drives the winding roller 27 to rotate clockwise intermittently, so that the winding roller 27 winds the residual materials left after cutting; open driving motor 282 simultaneously, driving motor 282 drives nip roll 283 and carries out anticlockwise rotation, thereby make nip roll 283 cooperate actuating gear 286 through drive gear 285 and drive auxiliary roller 284 and carry out clockwise rotation, nip roll 283 drives opposite side actuating roller 25 and carries out anticlockwise rotation simultaneously, thereby make this actuating roller 25 cooperate drive gear 285 through actuating gear 286 and drive this side nip roll 283 and carry out clockwise rotation, thereby can be through rubber strip 2831 with the outside exhibition of melt-blown non-woven fabrics, with the cooperation unit 3 that cuts ensures that the size of cutting of melt-blown non-woven fabrics is qualified.
S3, cutting the melt-blown non-woven fabric: drive cam 31 carries out clockwise rotation under the effect of transmission shaft 26, transmission shaft 26 passes through linkage pin 32 cooperation drive groove 122 and drives linkage rod 33 and carry out up-and-down reciprocating motion, linkage rod 33 drives locating piece 35 through bearing board 34 and carries out up-and-down reciprocating motion, locating piece 35 drives through cutting seat 36 and cuts sword 362 and carry out up-and-down reciprocating motion to make cutting sword 362 cooperate the bell mouth 373 to stereotype to melt-blown non-woven fabrics and cut, and the melt-blown non-woven fabrics of cutting the completion will discharge to the device outside through blanking hole 372 and ejection of compact through-hole 111.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The melt-blown non-woven fabric shaping and cutting method adopts the following melt-blown non-woven fabric shaping and cutting device, wherein the melt-blown non-woven fabric shaping and cutting device comprises a base (1), a conveying unit (2) and a cutting unit (3), and is characterized in that: base (1) upper end has been seted up discharging hole (111), and conveying unit (2) are installed inside base (1) lower extreme, cut unit (3) and install on base (1) inner wall, wherein:
the base (1) comprises a base (11), a support plate (12) and a baffle (13), wherein: the automatic feeding device is characterized in that discharge through holes (111) are symmetrically formed in the left and right of the upper end of the base (11), cylindrical sliding grooves (112) are symmetrically formed in the left and right of the upper end of the base (11), linkage grooves (113) are symmetrically formed in the front and back of the inside of the base (11), connecting holes (114) are formed between the linkage grooves (113), supporting plates (12) are symmetrically mounted in the front and back of the upper end of the base (11), longitudinal sliding grooves (121) are formed in the center of the inner side wall of each supporting plate (12), transmission grooves (122) are formed between the longitudinal sliding grooves (121) and the linkage grooves (113), and baffles (13);
conveying unit (2) include driving motor (21), driving roller (22), limiting plate (23), support spring bar (24), execute roller (25), transmission shaft (26), wind-up roll (27) and tensioning assembly (28), wherein: the transmission motor (21) is arranged on the outer wall of a cylindrical sliding groove (112) on the left side of the front end of the base (11) through a motor base, the tail end of an output shaft of the transmission motor (21) is connected with a transmission roller (22) through a spline, the transmission roller (22) is arranged in the cylindrical sliding groove (112) in a sliding mode, the limiting plate (23) is arranged on the inner side wall of the supporting plate (12), the front and back of the lower end of the limiting plate (23) are symmetrically provided with supporting spring rods (24), the tail end of each supporting spring rod (24) is provided with an execution roller (25) in a sliding mode, the transmission shaft (26) is arranged in the connecting hole (114) in a rotating mode, one side of the transmission shaft (26) is connected with the transmission roller (22) on the left side through belt transmission, the other side of the transmission shaft (26) is connected with the transmission roller (22) on the right side, the, the tensioning assembly (28) is arranged at the upper end of the base (11);
the tensioning assembly (28) comprises a limiting block (281), a driving motor (282), a flattening roller (283), an auxiliary roller (284), a transmission gear (285) and an execution gear (286), wherein: the limiting blocks (281) are uniformly installed at the corners of discharge through holes (111) in the upper end of a base (11), connecting grooves (2811) are formed in the inner sides of the limiting blocks (281), flattening rollers (283) and auxiliary rollers (284) are symmetrically arranged on the upper side and the lower side of the inner side walls of the limiting blocks (281) in a sliding mode, a driving motor (282) is installed on the outer side wall of any one of the limiting blocks (281) through a motor cover, the tail end of an output shaft of the driving motor (282) is connected with a flattening roller (283), a transmission gear (285) is sleeved at the tail end of the flattening roller (283), the auxiliary rollers (284) are installed on the inner side walls of the limiting blocks (281) in the lower end of the flattening roller (283), an execution gear (286) meshed with the transmission gear (285) is sleeved at the tail;
the cutting unit (3) comprises a transmission cam (31), a linkage pin (32), a linkage rod (33), a bearing plate (34), a positioning block (35), a cutting seat (36) and a fixing block (37), wherein: the transmission cam (31) is symmetrically arranged on the outer wall of the transmission shaft (26) in the front-back direction, the transmission cam (31) is arranged in a linkage groove (113) in a sliding manner, a linkage pin (32) is arranged at the outer edge of the outer side wall of the transmission cam (31), a linkage rod (33) is arranged on the outer wall of the linkage pin (32) in a sliding manner, the other side of the linkage rod (33) is arranged in a transmission groove (122) in a sliding manner, a bearing plate (34) which is connected with the longitudinal sliding groove (121) in a sliding manner is arranged at the tail end of the linkage rod (33), a positioning block (35) is arranged at the lower end of the bearing plate (34), cutting seats (36) are arranged at the lower end of the positioning block (35) in the left-right symmetry manner, rectangular grooves (361) convenient to cut are arranged at the lower ends of the cutting seats (36), the fixing blocks (, a blanking hole (372) matched with the discharging through hole (111) is formed in the center of the fixing block (37);
the melt-blown non-woven fabric shaping and cutting device for shaping and cutting the melt-blown non-woven fabric comprises the following steps:
s1, melt-blown non-woven fabric installation: installing the melt-blown non-woven fabric to be processed on the device, and starting the device;
s2, conveying the melt-blown non-woven fabric: the melt-blown non-woven fabric is intermittently conveyed to the right side through the conveying unit (2), and the melt-blown non-woven fabric can be tensioned around so as to be conveniently cut by the cutting unit (3);
s3, cutting the melt-blown non-woven fabric: the cutting unit (3) can be matched with the conveying unit (2) to intermittently and continuously cut the melt-blown non-woven fabric, and the remaining cut residual material can be rolled up to fully utilize resources.
2. The method for sizing and cutting the melt-blown non-woven fabric according to claim 1, wherein: the bearing plate (34) is of a cross structure for enhancing balance force of the positioning block (35).
3. The method for sizing and cutting the melt-blown non-woven fabric according to claim 1, wherein: cut seat (36) lower extreme circumference and be provided with cutting edge (362) that are used for strengthening cutting efficiency, and set aside groove (371) upper end and seted up with cutting edge (362) matched with tapered slot (373).
4. The method for sizing and cutting the melt-blown non-woven fabric according to claim 1, wherein: the fixing block (37) is of a trapezoidal structure which is convenient for preventing the cloth from being scratched in the process of feeding and discharging.
5. The method for sizing and cutting the melt-blown non-woven fabric according to claim 1, wherein: and rubber strips (2831) used for enhancing friction force are uniformly arranged on the outer side walls of the flattening rollers (283) and the auxiliary rollers (284) in the circumferential direction.
CN202011338226.4A 2020-11-25 2020-11-25 Melt-blown non-woven fabric shaping and cutting method Active CN112281460B (en)

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