CN113957693A - Forming equipment for melt-blown fabric production - Google Patents

Forming equipment for melt-blown fabric production Download PDF

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Publication number
CN113957693A
CN113957693A CN202111329788.7A CN202111329788A CN113957693A CN 113957693 A CN113957693 A CN 113957693A CN 202111329788 A CN202111329788 A CN 202111329788A CN 113957693 A CN113957693 A CN 113957693A
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China
Prior art keywords
motor
melt
fixedly connected
blown fabric
brush
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Granted
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CN202111329788.7A
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Chinese (zh)
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CN113957693B (en
Inventor
麻建科
赵勇军
刘冰
李军
谭平华
付扬
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Hunan Xinlong Nonwovens Co ltd
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Hunan Xinlong Nonwovens Co ltd
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/26—Arrangements for preventing slipping of winding
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06G—MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
    • D06G1/00—Beating, brushing, or otherwise mechanically cleaning or pressure cleaning carpets, rugs, sacks, hides, or other skin or textile articles or fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/113—Size
    • B65H2701/1133—Size of webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/175—Plastic
    • B65H2701/1752—Polymer film

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention discloses a forming device for melt-blown fabric production, which comprises a bottom plate, wherein the left side of the top of the bottom plate is fixedly connected with a melt-blowing device through a support rod. The invention solves the problems that the prior melt-blown fabric production device mostly causes direct exposure of the cutting blade outside the device when cutting the melt-blown fabric, and a user is easy to directly contact the cutting blade to cause body damage when using the device, and is difficult to clean fine fibers on the surface of the melt-blown fabric, thereby influencing the quality of the finished melt-blown fabric.

Description

Forming equipment for melt-blown fabric production
Technical Field
The invention relates to the technical field of melt-blown fabric, in particular to forming equipment for melt-blown fabric production.
Background
The melt-blown fabric is the most core material of the mask, the melt-blown fabric mainly takes polypropylene as a main raw material, and the fiber diameter can reach 1-5 microns. The superfine fiber with the unique capillary structure increases the number and the surface area of the fiber per unit area, so that the melt-blown fabric has good filtering property, 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.
Need cut the rolling to it after melt-blown fabric production shaping is accomplished, cut apart into suitable size with melt-blown fabric and carry out the rolling packing, but present melt-blown fabric apparatus for producing cuts apart the blade when cutting apart melt-blown fabric and is mostly direct the outside of leaking at equipment suddenly, easy direct contact when the user uses leads to the fact the health to cut apart the blade and harms, the use of giving the user has brought the potential safety hazard, the while is difficult for clearing up the tiny fibre on melt-blown fabric surface, influence the off-the-shelf quality of melt-blown fabric.
Disclosure of Invention
In order to solve the problems in the background art, the invention aims to provide forming equipment for melt-blown fabric production, which has the advantages of protecting a cutting blade, avoiding damage to the body caused by the fact that a user contacts the cutting blade when the forming equipment is used, conveniently cleaning tiny fibers on the surface of melt-blown fabric, improving the quality of a finished product, and solving the problems that the cutting blade is mostly exposed outside the equipment directly when the existing melt-blown fabric production device is used for cutting the melt-blown fabric, the user is easy to directly contact the cutting blade to cause body damage when the user uses the forming equipment, and meanwhile, the tiny fibers on the surface of the melt-blown fabric are not easy to clean to influence the quality of a melt-blown fabric finished product.
In order to achieve the purpose, the invention provides the following technical scheme: a forming device for melt-blown fabric production comprises a bottom plate, wherein the left side of the top of the bottom plate is fixedly connected with a melt-blowing device through a supporting rod, the left side of the top of the bottom plate is fixedly connected with a conveying belt positioned right below the melt-blowing device, the front side and the rear side of the top of the bottom plate are fixedly connected with a vertical rod positioned on the right side of the conveying belt, the top of the vertical rod is fixedly connected with a shovel plate, the left side of the shovel plate is attached to the surface of the conveying belt, the front side and the rear side of the top of the bottom plate are fixedly connected with supporting rods positioned on the right side of the vertical rod, a rotating shaft is rotatably connected above the supporting rods, a plurality of dividing wheels are fixedly connected to the surface of the rotating shaft, protective sleeves are arranged on the surfaces of the dividing wheels, a fixed rod is fixedly connected to the top of the supporting rods, the inner side of the fixed rod is fixedly connected with the outer side of the protective sleeves, and a first inclined rod is hinged to the left side of the fixed rod, the novel winding device is characterized in that an upper hairbrush is fixedly connected to the left side of the first inclined rod, the bottom of the upper hairbrush is attached to the top of the shovel plate, a winding roller is fixedly connected to the top of the base plate and located on the right side of the support rod, a second inclined rod is fixedly connected to the right side of the support rod, a lower hairbrush is hinged to the right end of the second inclined rod, the top of the lower hairbrush is attached to the surface of the winding roller, a motor is fixedly connected to the right side of the top of the base plate, and the output end of the motor is in transmission connection with a rotating shaft and the winding roller through a transmission wheel and a transmission belt.
Preferably, the right side of the bottom of the second inclined rod and the bottom of the lower brush are both fixedly connected with a fixed plate, and the inner side of the fixed plate is fixedly connected with a pressure spring.
Preferably, the semiconductor refrigeration pieces are fixedly connected to two sides of the bottom of the shovel plate, the storage battery positioned on the left side of the vertical rod is fixedly connected to the top of the bottom plate, and the semiconductor refrigeration pieces are electrically connected with the storage battery.
Preferably, the top of the bottom plate is provided with a waste collection box positioned at the inner side of the stay bar.
Preferably, the inside of the waste collection box is fixedly connected with an electrostatic generating rod.
Preferably, the number of the static electricity generating rods is several, and the static electricity generating rods are distributed equidistantly.
Preferably, the surface of the winding roller is fixedly connected with a silica gel layer, and the surface of the silica gel layer is provided with anti-skid grains.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention solves the problems that the prior melt-blown fabric production device mostly causes direct exposure of the cutting blade outside the device when cutting the melt-blown fabric, and a user is easy to directly contact the cutting blade to cause body damage when using the device, and is difficult to clean fine fibers on the surface of the melt-blown fabric, thereby influencing the quality of the finished melt-blown fabric.
2. According to the invention, through the matched use of the fixing plate and the pressure spring, the pressure can be applied to the lower hairbrush under the action of the pressure spring, so that the lower hairbrush can be always attached to the surface of the collecting device, and the problem that the lower hairbrush is separated from the contact with the back surface of the lower hairbrush when cleaning fine fibers on the surface of the melt-blown fabric, so that the cleaning effect is not ideal is solved.
3. According to the invention, through the matched use of the semiconductor refrigeration piece and the storage battery, the semiconductor refrigeration piece can be supplied with power through the storage battery, so that the semiconductor refrigeration piece works to cool the shovel plate, the cooling of the melt-blown fabric passing through the top of the shovel plate is accelerated, and the problem that the normal cutting and winding are influenced by slow forming of the melt-blown fabric due to slow temperature reduction is avoided.
4. According to the invention, the waste collection box is arranged, so that waste generated during cutting can be collected, and the collected waste can be melted again, thereby avoiding material waste and increasing the production benefit of a user.
5. According to the invention, the static electricity generating rod is arranged, so that static electricity can be generated through the work of the static electricity generating rod, and tiny fibers floating around the equipment are adsorbed and collected, thereby avoiding the problem that the damage to the working environment caused by the tiny fibers in the working environment of a user affects the normal use of the user.
6. According to the invention, the silica gel layer is arranged, so that the friction force on the surface of the winding roller can be increased, the phenomenon of slippage is not easy to occur when the winding roller winds the melt-blown fabric, and the condition that the winding is difficult to influence the normal use of equipment due to slippage when the melt-blown fabric after being divided is wound is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the upper brush of the present invention;
FIG. 3 is an enlarged view of A of FIG. 1 according to the present invention;
figure 4 is a schematic cross-sectional view of the waste collection tank of the present invention.
In the figure: 1. a base plate; 2. a melt-blowing device; 3. a conveyor belt; 4. a vertical rod; 5. a shovel plate; 6. a stay bar; 7. a rotating shaft; 8. a cutting wheel; 9. a protective sleeve; 10. fixing the rod; 11. a first diagonal member; 12. a brush is arranged; 13. a wind-up roll; 14. a second diagonal member; 15. a lower brush; 16. a motor; 17. a fixing plate; 18. a pressure spring; 19. a semiconductor refrigeration sheet; 20. a storage battery; 21. a waste collection tank; 22. an electrostatic generating rod; 23. and (5) a silica gel layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, a forming device for producing a melt-blown fabric comprises a bottom plate 1, wherein the left side of the top of the bottom plate 1 is fixedly connected with a melt-blowing device 2 through a supporting rod, the left side of the top of the bottom plate 1 is fixedly connected with a conveying belt 3 positioned under the melt-blowing device 2, the front side and the rear side of the top of the bottom plate 1 are both fixedly connected with a vertical rod 4 positioned on the right side of the conveying belt 3, the top of the vertical rod 4 is fixedly connected with a shovel plate 5, the left side of the shovel plate 5 is attached to the surface of the conveying belt 3, the front side and the rear side of the top of the bottom plate 1 are both fixedly connected with supporting rods 6 positioned on the right side of the vertical rod 4, a rotating shaft 7 is rotatably connected above the supporting rods 6, the surface of the rotating shaft 7 is fixedly connected with a plurality of dividing wheels 8, a protecting sleeve 9 is arranged on the surface of the dividing wheels 8, a fixing rod 10 is fixedly connected with the top of the supporting rod 10, and the inner side of the protecting sleeve 9 is fixedly connected with the protecting sleeve, the left side of dead lever 10 articulates there is first down tube 11, brush 12 is gone up to the left side fixedly connected with of first down tube 11, the bottom of going up brush 12 is laminated with the top of shovel 5, the top fixedly connected with of bottom plate 1 is located the wind-up roll 13 on vaulting pole 6 right side, the right side fixedly connected with second down tube 14 of vaulting pole 6, the right-hand member of second down tube 14 articulates there is down brush 15, the top of lower brush 15 and the surface laminating of wind-up roll 13, the right side fixedly connected with motor 16 at 1 top of bottom plate, motor 16's output passes through drive wheel and drive belt and is connected with pivot 7 and the transmission of wind-up roll 13.
Referring to fig. 3, a fixing plate 17 is fixedly connected to the right side of the bottom of the second inclined rod 14 and the bottom of the lower brush 15, and a pressure spring 18 is fixedly connected to the inner side of the fixing plate 17.
As a technical optimization scheme of the invention, by the matching use of the fixing plate 17 and the pressure spring 18, the lower brush 15 can apply pressure to the lower brush 15 under the action of the pressure spring 18, so that the lower brush 15 can be always attached to the surface of the collecting device, and the problem that the cleaning effect is not ideal because the lower brush 15 is separated from the contact with the back surface of the melt-blown cloth when cleaning fine fibers on the surface of the melt-blown cloth is solved.
Referring to fig. 1, semiconductor refrigeration sheets 19 are fixedly connected to both sides of the bottom of the shovel plate 5, a storage battery 20 located on the left side of the vertical rod 4 is fixedly connected to the top of the bottom plate 1, and the semiconductor refrigeration sheets 19 are electrically connected with the storage battery 20.
As a technical optimization scheme of the invention, by arranging the semiconductor refrigerating sheet 19 and the storage battery 20 to be matched, the semiconductor refrigerating sheet 19 can be supplied with power through the storage battery 20, so that the semiconductor refrigerating sheet 19 works to cool the shovel plate 5, the cooling of the melt-blown fabric passing through the top of the shovel plate 5 is accelerated, and the problem that the normal cutting and winding are influenced by slow forming of the melt-blown fabric due to slow temperature reduction is solved.
Referring to fig. 1, the top of the base plate 1 is provided with a scrap collecting box 21 located inside the stay 6.
As a technical optimization scheme of the invention, the waste collection box 21 is arranged, so that waste generated during cutting can be collected, and the collected waste can be remelted and processed, thereby avoiding material waste and increasing the production yield of users.
Referring to fig. 4, the inside of the scrap collecting box 21 is fixedly connected with static electricity generating rods 22, and the number of the static electricity generating rods 22 is several and is distributed equidistantly.
As a technical optimization scheme of the invention, by arranging the static electricity generating rod 22, static electricity can be generated through the work of the static electricity generating rod 22 to adsorb and collect fine fibers floating around equipment, so that the problem that the normal use of a user is influenced by the damage of the fine fibers to the working environment in the working environment of the user is avoided.
Referring to fig. 1, a silica gel layer 23 is fixedly connected to the surface of the wind-up roll 13, and anti-slip lines are arranged on the surface of the silica gel layer 23.
As a technical optimization scheme of the invention, the silica gel layer 23 is arranged, so that the friction force of the surface of the winding roller 13 can be increased, the phenomenon of slippage is not easy to occur when the melt-blown fabric is wound, and the condition that the winding difficulty is caused by slippage when the cut melt-blown fabric is wound to influence the normal use of equipment is avoided.
The working principle and the using process of the invention are as follows: when the device is used, the fiber filaments are sprayed on the surface of the conveying belt 3 through the melt-blowing device 2, the conveying belt 3 is started to convey the formed melt-blown fabric after the fiber filaments are cooled to the right side, a user lifts the first inclined rod 11 with hands, places the right end of the melt-blown fabric on the surface of the shovel plate 5, then places the first inclined rod 11 down to enable the brush end of the upper brush 12 to be in contact with the top surface of the melt-blown fabric, scrapes off the fine fibers on the surface of the melt-blown fabric in the moving process of the melt-blown fabric, then continuously pulls the melt-blown fabric to enable the right end of the melt-blown fabric to be wound on the surface of the winding roller 13, starts the motor 16, drives the rotating shaft 7 to rotate and the winding roller 13 to start through the starting of the motor 16, the winding roller 13 starts to wind the melt-blown fabric to pull the formed melt-blown fabric to the right side, cleans the fine fibers on the surface of the melt-blown fabric through the contact of the brush end 15 and the bottom surface of the melt-blown fabric under the rotation of the winding roller 13, the rotating shaft 7 rotates and drives the cutting wheel 8 to cut the melt-blown fabric, through the setting of lag 9, play the guard action to the user, avoid the user to touch pivoted in operation process mistake and cut apart wheel 8 and cause the damage to its health.
In summary, the following steps: this former is used in production based on melt-blown fabric, through setting up bottom plate 1, melt-blown device 2, conveyer belt 3, montant 4, shovel board 5, vaulting pole 6, pivot 7, cut apart wheel 8, lag 9, dead lever 10, first down tube 11, go up brush 12, wind-up roll 13, second down tube 14, brush 15 and motor 16's cooperation is used down, it mostly is direct sudden and violent hourglass in the outside of equipment to have solved current melt-blown fabric apparatus for producing when cutting apart melt-blown fabric, easy direct contact leads to the fact the health to cut apart the blade and harms when the user uses, the while is difficult for clearing up the tiny fibre on melt-blown fabric surface, influence the problem of the off-the-shelf quality of melt-blown fabric.
The motor rotating speeds of the conveying belt (3) and the motor (16) are determined according to the spraying speed of the melt-blowing device (2), so that when the spraying speed of the melt-blowing device (2) is high, the rotating speeds of the conveying belt (3) and the motor (16) are enabled to rotate faster, and material waste caused by superposition and accumulation of sprayed materials is prevented; the motor rotating speeds and the enabling on-off states of the conveying belt (3) and the motor (16) need to be kept consistent to prevent the melt-blown cloth from being accumulated on the surface of the shovel plate (5) due to inconsistent rotating speeds, encoders are additionally arranged on rotating shafts of the conveying belt (3) and the motor (16), and the rotating speeds of the motor (16) and the conveying belt (3) are adjusted to be synchronous by checking counting values measured by the two encoders; monitoring the power consumption of the motor (16) in real time, because the friction force of the upper brush (12) and the lower brush (15) is reduced after the upper brush (12) and the lower brush (15) scrape and brush the melt-blown fabric for a long time, calculating the torque of the winding roller (13) by monitoring the power consumption of the motor (16), judging whether the scraping friction force of the lower brush (15) cannot meet the requirement to be replaced according to the torque of the winding roller (13) and the winding condition of the current melt-blown fabric, and replacing the upper brush (12) with a new brush in the replacement process if the brush needs to be replaced so as to ensure the quality of the produced melt-blown fabric, wherein the specific steps comprise,
step A1: obtaining the motor rotating speeds of the conveying belt (3) and the motor (16) according to the spraying speed of the melt-blowing device (2) by using a formula (1)
Figure BDA0003348368670000071
Wherein n (t) represents the motor control rotating speed of the conveying belt (3) and the motor (16) at the moment t; n isminA minimum rotation speed value representing the conveyor belt (3) and the motor (16) (the minimum rotation speed value is not 0, which aims to ensure that although the melt-blowing device (2) does not spray the material, the melt-blown fabric formed by the sprayed material still needs to move forward and then be wound, so that the conveyor belt (3) and the motor (16) need to have a speed to ensure that the melt-blown fabric can move forward continuously at the moment); n ismaxRepresents the maximum rotation speed value controlled by the conveyer belt (3) and the motor (16); v (t) represents the spraying speed of the melt-blowing device (2) at the time t; vmaxRepresents the maximum spraying speed that can be controlled by the melt-blowing device (2);
controlling the motor rotating speeds of the conveyor belt (3) and the motor (16) through the steps and synchronously rotating the conveyor belt (3) and the motor (16), but because the motor controlled rotating speeds of the conveyor belt (3) and the motor (16) are not consistent due to some problems of error precision and the like in the actual control process, the rotating speed of the motor (16) needs to be controlled in real time through the step A2 to ensure that the rotating speed of the motor (16) is synchronous with the rotating speed of the conveyor belt (3);
step A2: adjusting the rotating speed of the motor (16) to be synchronous with the rotating speed of the conveyer belt (3) by checking the count values measured by the two encoders according to the count values of the encoders at the rotating shafts of the conveyer belt (3) and the motor (16) by using a formula (2)
Figure BDA0003348368670000081
Wherein Δ ω (t) represents an angular velocity adjustment amount of the motor (16) at time t; f. ofs(t) represents the counting value of the encoder at the rotating shaft of the conveyer belt (3) from the beginning of the rotation of the conveyer belt (3) to the time t; f. ofd(t) represents a count value of an encoder at a rotating shaft of the motor (16) from the beginning of the rotation of the motor (16) to a time t; f. of0A count value representing a complete revolution of the encoder;
adjusting the angular speed of the motor (16) by the above steps if Δ ω (t)>0 increasing the angular speed of the electric machine (16) by delta omega (t), if delta omega (t)<0 is the angular velocity of the motor (16) is decreased by | Δ ω (t) |, and if Δ ω (t) | 0 is the angular velocity of the motor (16) is not adjusted, and the adjusted angular velocity of the motor (16) is referred to as
Figure BDA0003348368670000082
Step A3: whether the friction force of the current lower brush (15) meets the requirement or not and whether the current lower brush needs to be replaced or not is judged according to the power consumption power of the motor (16) monitored in real time by using a formula (3)
Figure BDA0003348368670000083
Wherein H represents a control value of the brush replacement indicator lamp; p (t) represents the electrical power monitored by the electrical machine (16) at time t; r represents the wind-up roll (13)The radius of the rotating shaft; r represents the thickness of the silicone gel layer (23); m (t) represents the winding number of turns of the melt-blown fabric at the time t; l represents the thickness of the meltblown fabric; f0A friction threshold indicating that the brush needs to be replaced;
if H is equal to 0, the brush replacement indicator lamp is in a closed state, and the upper brush (12) and the lower brush (15) do not need to be replaced;
if H ═ 1 indicates that the brush replacement indicator lamp is in an on state, the upper brush (12) and the lower brush (15) need to be replaced.
The beneficial effects of the above technical scheme are: obtaining the motor rotating speeds of the conveying belt (3) and the motor (16) according to the spraying speed of the melt-blowing device (2) by using the formula (1) of the step A1, and further ensuring that the motor rotating speeds of the conveying belt (3) and the motor (16) are accelerated to rotate when the spraying speed of the melt-blowing device (2) is high so as to prevent the sprayed materials from being stacked to cause material waste; adjusting the rotating speed of the motor (16) to be synchronous with the rotating speed of the conveyer belt (3) by checking the count values measured by the two encoders according to the count values of the encoders at the rotating shafts of the conveyer belt (3) and the motor (16) by using the formula (2) of the step A2, so as to ensure the rotating speeds of the conveyer belt (3) and the motor (16) to be consistent and ensure the reliability of the normal operation of the instrument; and finally, judging whether the friction force of the current lower brush (15) meets the requirement or not according to the power consumption monitored by the motor (16) in real time by using a formula (3) of the step A3, and if so, replacing the brush in time so as to ensure the production quality of the produced melt-blown fabric.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a production is with former based on melt-blown fabric, includes bottom plate (1), its characterized in that: the left side of the top of the bottom plate (1) is fixedly connected with a melt-blowing device (2) through a supporting rod, the left side of the top of the bottom plate (1) is fixedly connected with a conveying belt (3) positioned under the melt-blowing device (2), the front side and the rear side of the top of the bottom plate (1) are fixedly connected with vertical rods (4) positioned on the right side of the conveying belt (3), the top of each vertical rod (4) is fixedly connected with a shovel plate (5), the left side of each shovel plate (5) is attached to the surface of the conveying belt (3), the front side and the rear side of the top of the bottom plate (1) are fixedly connected with supporting rods (6) positioned on the right side of the corresponding vertical rod (4), a rotating shaft (7) is rotatably connected above the supporting rods (6), the surface of the rotating shaft (7) is fixedly connected with a plurality of dividing wheels (8), the surface of each dividing wheel (8) is provided with a protecting sleeve (9), and the top of each supporting rod (6) is fixedly connected with a fixing rod (10), the inner side of the fixed rod (10) is fixedly connected with the outer side of the protective sleeve (9), the left side of the fixed rod (10) is hinged with a first inclined rod (11), the left side of the first inclined rod (11) is fixedly connected with an upper hairbrush (12), the bottom of the upper hairbrush (12) is attached to the top of the shovel plate (5), the top of the bottom plate (1) is fixedly connected with a winding roller (13) positioned on the right side of the stay bar (6), a second inclined rod (14) is fixedly connected to the right side of the stay bar (6), a lower brush (15) is hinged to the right end of the second inclined rod (14), the top of the lower brush (15) is attached to the surface of the winding roller (13), the right side of the top of the bottom plate (1) is fixedly connected with a motor (16), the output end of the motor (16) is in transmission connection with the rotating shaft (7) and the winding roller (13) through a transmission wheel and a transmission belt.
2. The forming equipment for melt-blown fabric production according to claim 1, wherein: the right side of the bottom of the second inclined rod (14) and the bottom of the lower hairbrush (15) are fixedly connected with a fixing plate (17), and the inner side of the fixing plate (17) is fixedly connected with a pressure spring (18).
3. The forming equipment for melt-blown fabric production according to claim 1, wherein: the equal fixedly connected with semiconductor refrigeration piece (19) in both sides of shovel board (5) bottom, the top fixedly connected with of bottom plate (1) is located left battery (20) of montant (4), semiconductor refrigeration piece (19) and battery (20) electric connection.
4. The forming equipment for melt-blown fabric production according to claim 1, wherein: and a waste collecting box (21) positioned on the inner side of the support rod (6) is arranged at the top of the bottom plate (1).
5. The forming equipment for melt-blown fabric production according to claim 4, wherein: the interior of the waste collection box (21) is fixedly connected with an electrostatic generating rod (22).
6. The forming equipment for melt-blown fabric production according to claim 4, wherein: the number of the static electricity generating rods (22) is a plurality, and the static electricity generating rods are distributed at equal intervals.
7. The forming equipment for melt-blown fabric production according to claim 1, wherein: the surface of the winding roller (13) is fixedly connected with a silica gel layer (23), and anti-skid lines are arranged on the surface of the silica gel layer (23).
8. The forming equipment for melt-blown fabric production according to claim 1, wherein: the motor rotating speeds of the conveying belt (3) and the motor (16) are determined according to the spraying speed of the melt-blowing device (2) so as to ensure that the rotating speeds of the conveying belt (3) and the motor (16) are accelerated when the spraying speed of the melt-blowing device (2) is high, and material waste caused by superposition and accumulation of sprayed materials is prevented; the motor rotating speeds and the enabling on-off states of the conveying belt (3) and the motor (16) need to be kept consistent to prevent the melt-blown cloth from being accumulated on the surface of the shovel plate (5) due to inconsistent rotating speeds, encoders are additionally arranged on rotating shafts of the conveying belt (3) and the motor (16), and the rotating speeds of the motor (16) and the conveying belt (3) are adjusted to be synchronous by checking counting values measured by the two encoders; monitoring the power consumption of the motor (16) in real time, because the friction force of the upper brush (12) and the lower brush (15) is reduced after the upper brush (12) and the lower brush (15) scrape and brush the melt-blown fabric for a long time, calculating the torque of the winding roller (13) by monitoring the power consumption of the motor (16), judging whether the scraping friction force of the lower brush (15) cannot meet the requirement to be replaced according to the torque of the winding roller (13) and the winding condition of the current melt-blown fabric, and replacing the upper brush (12) with a new brush in the replacement process if the brush needs to be replaced so as to ensure the quality of the produced melt-blown fabric, wherein the specific steps comprise,
step A1: obtaining the motor rotating speeds of the conveying belt (3) and the motor (16) according to the spraying speed of the melt-blowing device (2) by using a formula (1)
Figure FDA0003348368660000031
Wherein n (t) represents the motor control rotating speed of the conveying belt (3) and the motor (16) at the moment t; n isminA minimum rotation speed value representing the conveyor belt (3) and the motor (16) (the minimum rotation speed value is not 0, which aims to ensure that although the melt-blowing device (2) does not spray the material, the melt-blown fabric formed by the sprayed material still needs to move forward and then be wound, so that the conveyor belt (3) and the motor (16) need to have a speed to ensure that the melt-blown fabric can move forward continuously at the moment); n ismaxRepresents the maximum rotation speed value controlled by the conveyer belt (3) and the motor (16); v (t) represents the spraying speed of the melt-blowing device (2) at the time t; vmaxRepresents the maximum spraying speed that can be controlled by the melt-blowing device (2);
controlling the motor rotating speeds of the conveyor belt (3) and the motor (16) through the steps and synchronously rotating the conveyor belt (3) and the motor (16), but because the motor controlled rotating speeds of the conveyor belt (3) and the motor (16) are not consistent due to some problems of error precision and the like in the actual control process, the rotating speed of the motor (16) needs to be controlled in real time through the step A2 to ensure that the rotating speed of the motor (16) is synchronous with the rotating speed of the conveyor belt (3);
step A2: adjusting the rotating speed of the motor (16) to be synchronous with the rotating speed of the conveyer belt (3) by checking the count values measured by the two encoders according to the count values of the encoders at the rotating shafts of the conveyer belt (3) and the motor (16) by using a formula (2)
Figure FDA0003348368660000032
Wherein Δ ω (t) represents an angular velocity adjustment amount of the motor (16) at time t; f. ofs(t) represents the counting value of the encoder at the rotating shaft of the conveyer belt (3) from the beginning of the rotation of the conveyer belt (3) to the time t; f. ofd(t) represents a count value of an encoder at a rotating shaft of the motor (16) from the beginning of the rotation of the motor (16) to a time t; f. of0A count value representing a complete revolution of the encoder;
adjusting the angular speed of the motor (16) by the above steps if Δ ω (t)>0 increasing the angular speed of the electric machine (16) by delta omega (t), if delta omega (t)<0 is the angular velocity of the motor (16) is decreased by | Δ ω (t) |, and if Δ ω (t) | 0 is the angular velocity of the motor (16) is not adjusted, and the adjusted angular velocity of the motor (16) is referred to as
Figure FDA0003348368660000041
Step A3: whether the friction force of the current lower brush (15) meets the requirement or not and whether the current lower brush needs to be replaced or not is judged according to the power consumption power of the motor (16) monitored in real time by using a formula (3)
Figure FDA0003348368660000042
Wherein H represents a control value of the brush replacement indicator lamp; p (t) represents the electrical power monitored by the electrical machine (16) at time t; r represents the radius of the rotating shaft of the winding roller (13); r represents the thickness of the silicone gel layer (23); m (t) represents the winding number of turns of the melt-blown fabric at the time t; l represents the thickness of the meltblown fabric; f0A friction threshold indicating that the brush needs to be replaced;
if H is equal to 0, the brush replacement indicator lamp is in a closed state, and the upper brush (12) and the lower brush (15) do not need to be replaced;
if H ═ 1 indicates that the brush replacement indicator lamp is in an on state, the upper brush (12) and the lower brush (15) need to be replaced.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107761347A (en) * 2017-10-24 2018-03-06 宿迁至诚纺织品有限公司 A kind of polypropylene fiber fabric manufacture cleaning plant
CN212560897U (en) * 2020-05-15 2021-02-19 广东顺事德智能科技有限公司 Cutter assembly of melt-blown fabric constant-pressure splitting machine
WO2021056391A1 (en) * 2019-09-26 2021-04-01 苏州比达尔创新材料科技有限公司 Cutting device for superfine fiber cloth
CN212920744U (en) * 2020-07-08 2021-04-09 龙泉鸿业塑料有限公司 Anti-virus high-adsorptivity melt-blown web forming machine for melt-blown cloth processing
CN112962291A (en) * 2021-02-03 2021-06-15 肖天翔 Treatment mechanism of melt-blown fabric for mask machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107761347A (en) * 2017-10-24 2018-03-06 宿迁至诚纺织品有限公司 A kind of polypropylene fiber fabric manufacture cleaning plant
WO2021056391A1 (en) * 2019-09-26 2021-04-01 苏州比达尔创新材料科技有限公司 Cutting device for superfine fiber cloth
CN212560897U (en) * 2020-05-15 2021-02-19 广东顺事德智能科技有限公司 Cutter assembly of melt-blown fabric constant-pressure splitting machine
CN212920744U (en) * 2020-07-08 2021-04-09 龙泉鸿业塑料有限公司 Anti-virus high-adsorptivity melt-blown web forming machine for melt-blown cloth processing
CN112962291A (en) * 2021-02-03 2021-06-15 肖天翔 Treatment mechanism of melt-blown fabric for mask machine

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