CN114602254B - Forming equipment of waterproof and grease proofing formula dust removal filter bag - Google Patents

Forming equipment of waterproof and grease proofing formula dust removal filter bag Download PDF

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Publication number
CN114602254B
CN114602254B CN202210297436.6A CN202210297436A CN114602254B CN 114602254 B CN114602254 B CN 114602254B CN 202210297436 A CN202210297436 A CN 202210297436A CN 114602254 B CN114602254 B CN 114602254B
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CN
China
Prior art keywords
cloth
roller
filter bag
frame
machine
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Application number
CN202210297436.6A
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Chinese (zh)
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CN114602254A (en
Inventor
庄寒锋
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Suzhou Rongfeng Environmental Protection Technology Co ltd
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Suzhou Rongfeng Environmental Protection Technology Co ltd
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Priority to CN202210297436.6A priority Critical patent/CN114602254B/en
Publication of CN114602254A publication Critical patent/CN114602254A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/30—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of articles, e.g. stockings

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

The invention relates to a forming device of a waterproof and oil-proof dedusting filter bag, which comprises a bag opening forming device, a bag body forming device and a bag bottom forming device, wherein the bag body forming device comprises a velvet material opener, a double-layer velvet carding machine, a velvet spreading machine, a needling machine, a cloth folding machine, a waterproof and oil-proof processing system of filter bag cloth, a heat setting machine, a singeing machine, a calender, a coiling machine, a side fusion or stitching machine and a cutting machine. According to the invention, on one hand, the angle of the tensioning roller assembly can be adjusted according to the tensioning and loosening of the filter bag cloth, so that the filter bag cloth entering the cloth rolling power roller keeps a tensioning trend all the time, the side parts of the folded cloth are ensured to be arranged in a flush manner, and meanwhile, the bag body with overlapped sewing or fusion sides is formed under the guidance of the bag cloth, so that the filter bag is convenient to form; on the other hand, the waterproof and oil-proof treatment system enhances the waterproof and oil-proof performances of the filter bag, thereby meeting the use requirements of special users and being very convenient for the buffer storage cutting of the filter bag.

Description

Forming equipment of waterproof and grease proofing formula dust removal filter bag
The application discloses forming equipment and a method for a dedusting filter bag, which are applied for the forming equipment and the method, wherein the application date is 2016, 12, 20 and 2016111842695.
Technical Field
The invention relates to a forming device of a waterproof and oil-proof dedusting filter bag.
Background
At present, the preparation modes of the bag mouth, the bag body and the bag bottom of the dedusting filter bag are all to adopt a sewing machine to sew and connect filter material cloth. Specifically, for the body of the dust-removing filter bag, firstly, the filter material cloth is curled into a cylinder shape, and the two adhered sides are directly sewn together.
In order to realize the processing of the bag body, in the prior art, the adopted forming equipment comprises a velvet opener, a double-layer carding machine, a velvet spreading machine, a needle machine, a cloth folding machine, a heat setting machine, a singeing machine, a calender, a coiling machine, a side fusion or stitching machine and a cutting machine, wherein the common cloth folding machine mainly comprises a cloth folding frame, a swinging roller assembly which is positioned at the front end part of the cloth folding frame and can rotate around the horizontal axis direction, and a driving mechanism for driving the swinging roller assembly to swing left and right around the front end part of the cloth folding frame, wherein the driving mechanism comprises an eccentric wheel, and swing rods with two ends respectively arranged on the eccentric wheel and the swinging roller assembly, and the cloth folding device mainly utilizes the motion of the eccentric wheel, so that the swinging roller assembly swings back and forth around the front end part of the cloth folding frame, and further realizes the folding and stacking of cloth.
However, in actual operation, since the moving speed of the cloth is difficult to control uniformly (one section of the cloth is in a loose state and the other section of the cloth is in a tensioned state) in the cloth processing process, the flush arrangement of the outer side of the folded cloth cannot be ensured, and great inconvenience is brought to subsequent operations.
Meanwhile, with the wide use of filter bags, the performance requirements thereof are becoming higher and higher, such as water and oil resistance. However, since a conventional filter bag does not have this function, it is necessary to perform a water-proof and oil-proof treatment at the time of molding the filter bag cloth.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art, and provides improved forming equipment of a waterproof and oil-proof dedusting filter bag, which can adjust the angle of a tensioning roller assembly according to the tensioning and loosening of filter bag cloth on one hand, so that the filter bag cloth entering a cloth rolling power roller keeps a tensioning trend all the time, thereby ensuring that the side parts of the folded cloth are arranged in a flush manner, forming a bag body with overlapped sewing or fusion sides under the guidance of the bag cloth, and facilitating the forming of the filter bag; on the other hand, the waterproof and oil-proof treatment system enhances the waterproof and oil-proof performances of the filter bag, thereby meeting the use requirements of special users and being very convenient for the buffer storage cutting of the filter bag.
In order to solve the technical problems, the invention adopts the following technical scheme: the forming equipment of the waterproof and oil-proof dedusting filter bag comprises a bag opening forming device, a bag body forming device and a bag bottom forming device, wherein the bag body forming device comprises a velvet opening machine, a double-layer velvet carding machine, a velvet paving machine, a needling machine, a cloth folding machine, a heat setting machine, a singeing machine, a calender, a coiling machine, a side fusion or sewing machine and a cutting machine, wherein the cloth folding machine comprises a cloth folding frame, cloth rolling power rollers with two ends respectively arranged at the left side and the right side of the cloth folding frame, a cloth swinging roller assembly which is positioned at the front end part of the cloth folding frame and can rotate around the horizontal axis direction, and a cloth folding driving mechanism, the cloth swinging roller assembly swings back and forth around the front end part of the cloth folding frame, and the cloth folding machine also comprises a tensioning roller assembly which is arranged on the cloth folding frame through a horizontally arranged pivot; one end part of the telescopic rod is rotatably arranged on the tensioning roller assembly, and the other end part of the telescopic rod is rotatably arranged on the cloth folding frame; and a limit assembly for defining an angle of rotation of the tension roller assembly, wherein the tension roller assembly is driven by the telescoping of the telescoping rod to rotate about the pivot axis to maintain tension of the filter bag cloth entering the cloth rolling power roller at all times; the side fusing or sewing machine comprises a bag cloth guide device, wherein the bag cloth guide device comprises a bracket, a left arc-shaped guide plate and a right arc-shaped guide plate which are arranged on the bracket and used for folding and guiding the bag cloth from two sides to the middle part, the left arc-shaped guide plate and/or the right arc-shaped guide plate can be inwards closed and outwards opened and are arranged on the bracket, the lower end parts of the left arc-shaped guide plate and the right arc-shaped guide plate are respectively fixed at the bottom part of the surrounding frame, the upper end parts of the left arc-shaped guide plate and the right arc-shaped guide plate are respectively overlapped up and down, one side of the bag cloth is positioned between the overlapped left arc-shaped guide plate and right arc-shaped guide plate, and the other side of the bag cloth is positioned in the left arc-shaped guide plate or the right arc-shaped guide plate at the overlapped bottom part; the cutting machine comprises a buffer device for continuously cutting the filter bag and an auxiliary discharging device after cutting; the bag body forming device also comprises a water-proof and oil-proof treatment system of the filter bag cloth arranged between the cloth folding machine and the heat setting machine.
Preferably, the tensioning roller assembly comprises tensioning brackets which are respectively arranged on the left side and the right side of the cloth folding frame in a rotating mode from the middle portion, a first tensioning roller and a second tensioning roller which are positioned at the front end portion and the rear end portion of the tensioning brackets and are parallel to the cloth rolling power roller, and filter bag cloth sequentially passes through the second tensioning roller and the first tensioning roller from bottom to top and is upwards and forwards conveyed to the cloth rolling power roller from the bottom of the first tensioning roller.
Preferably, the number of the telescopic rods is two, and the telescopic rods are respectively positioned at two sides of the cloth folding frame; the two ends of the telescopic rod are respectively connected to the tensioning bracket and the cloth folding bracket which are positioned on the same side; the driving mode of the telescopic rod can be hydraulic, pneumatic or electric.
Preferably, the first tensioning roller and the second tensioning roller are respectively arranged on the tensioning bracket in a rotating way around the axial line direction of the tensioning bracket.
Preferably, the first tensioning roller and the second tensioning roller are arranged on the tensioning support in a manner capable of moving along the length direction of the tensioning support.
According to one specific implementation and preferred aspect of the present invention, the limiting assembly includes a positioning plate fixedly disposed at one side of the cloth folding frame, a first blocking portion and a second blocking portion extending horizontally outward from the outer side of the positioning plate and disposed at a distance, and a limiting lever fixed on the pivot and located between the first blocking portion and the second blocking portion, wherein the rotation of the tension roller assembly is limited by the interference of the limiting lever with the first blocking portion or the second blocking portion.
Preferably, the limiting assembly further comprises a connecting rod for fixedly connecting the outer ends of the first blocking part and the second blocking part, wherein the first blocking part, the second blocking part and the connecting rod form a moving space for swinging the limiting rod.
Preferably, the cloth swinging roller assembly comprises a cloth swinging roller which is arranged in parallel with the cloth rolling power roller, and a roller frame which is positioned at two ends of the cloth swinging roller and is rotationally connected with the left side and the right side of the front end of the cloth folding frame through a pivot.
According to a specific implementation and preferred aspect of the present invention, the cloth folding driving mechanism includes an eccentric wheel with a horizontal axis, a swing rod with two ends respectively connected to the eccentric wheel and the roller frame, and a motor and a decelerator arranged on the cloth folding frame for driving the eccentric wheel to rotate.
Preferably, the cloth rolling power roller moves synchronously with the eccentric. So that the two movements share one motor.
Preferably, the cloth swing roller rotates around the direction of the self axis line; the cloth arranging rollers are arranged on the roller frame in a movable and adjustable manner along the length of the roller frame.
According to a specific implementation and preferred aspect of the invention, the water and oil repellent treatment system of the filter bag cloth comprises a treatment rack, a soaking unit, a squeezing unit and a drying unit, wherein the soaking unit comprises a soaking tank and a plurality of conveying rollers, the conveying rollers form a squeezing roller assembly for squeezing the filter bag cloth, a conveying roller assembly for conveying the filter bag cloth and a water filtering roller assembly for draining the soaking liquid on the surface of the filter bag cloth, the squeezing roller assembly comprises a positioning seat above the liquid level of the soaking tank and positioned at two ends of the soaking tank, two squeezing rollers positioned in the solution of the soaking tank and hanging ropes respectively hanging the ends of the squeezing rollers on the positioning seat, the squeezing rollers extend along the length direction of the soaking tank, the two squeezing rollers are abutted to form a squeezing area, and the filter bag cloth passes through the squeezing area.
Preferably, the rope wheel is arranged on the positioning seat, the hanging rope is hung on the rope wheel from the middle part, and the two ends of the hanging rope respectively extend downwards and outwards and are connected with the shaft ends of the extrusion rollers. The squeeze roll is arranged in a relatively contradicting way under the action of dead weight, and the position of the squeeze roll can be automatically adjusted according to the tensioning force of the filter bag cloth, so that the operation of soaking and squeezing the filter bag cloth edges is facilitated.
Preferably, the squeeze roll assemblies are in multiple sets and are arranged side by side. Repeated extrusion and soaking are carried out for a plurality of times, so that the soaking effect of the filter bag cloth is improved.
According to one specific and preferred aspect of the invention, the conveying roller assembly comprises a first conveying roller which is positioned in the immersion liquid tank solution and conveys two adjacent groups of squeeze roller assemblies to be connected, and the filter bag cloth is conveyed into a rear group of squeeze roller assemblies through the first conveying roller after being squeezed from the front group of squeeze roller assemblies.
Preferably, the transfer roll assembly further comprises a second transfer roll for transferring the filter bag cloth of the last set of squeeze roll assemblies into the drain roll assembly, the second transfer roll being located above the dip tank solution.
Preferably, the water filtering roller assembly is positioned above the liquid level of the immersion tank and positioned on one side of the immersion tank, where the immersion tank enters the extrusion unit to form the feed inlet. The pressed slurry is prevented from dripping on the drained bag cloth.
Further, the water filtering roller assembly comprises a plurality of water filtering rollers which are arranged side by side from bottom to top at intervals. The specific water filtering is to make the filter bag cloth relatively tensioned through a plurality of rollers, so that the surface clear water is filtered as much as possible and falls back into the immersion tank.
According to a specific and preferred aspect of the present invention, the squeeze unit comprises a first squeeze roller and a second squeeze roller located above the immersion tank, and a driving mechanism for driving the first squeeze roller and the second squeeze roller relatively close to or far away from each other, wherein the first squeeze roller and the second squeeze roller are respectively rotatably disposed around their own axes.
Preferably, the first squeeze roller is fixed on the processing frame, the second squeeze roller is movably arranged on the processing frame, the first squeeze roller and the second squeeze roller are oppositely and rotatably arranged, and the driving mechanism is used for driving the second squeeze roller to move in a direction close to or far away from the first squeeze roller.
Preferably, the driving mechanism comprises a connecting plate which is respectively positioned at two sides of the processing frame and one end part of which is rotationally arranged on the processing frame, and a telescopic rod which is respectively rotationally arranged at the other end part of the connecting plate and the processing frame at two end parts of the second squeeze roller, wherein the two end parts of the second squeeze roller are arranged on the connecting plate, and when the telescopic rod stretches, the second squeeze roller is driven to move away from or close to the direction of the first squeeze roller.
According to one specific implementation and preferred aspect of the present invention, the side fusing or sewing machine comprises a pocket cloth guide device, the pocket cloth guide device comprises a bracket, a left arc-shaped guide plate and a right arc-shaped guide plate which are installed on the bracket and used for folding and guiding the pocket cloth from two sides to the middle part, wherein the left arc-shaped guide plate and/or the right arc-shaped guide plate can be inwards closed and outwards opened and are arranged on the bracket, the pocket cloth guide device further comprises a supporting seat arranged between the bracket and the pocket cloth unreeling, and a U-shaped supporting part which is arranged on the supporting seat and is provided with an opening upwards, and the U-shaped supporting part is arranged on the supporting seat in an adjustable manner along the vertical direction.
Preferably, the support comprises a base, a surrounding frame which is arranged on the base and extends along the moving direction of the bag cloth, wherein the lower ends of the left arc-shaped guide plate and the right arc-shaped guide plate are respectively fixed at the bottom of the surrounding frame, the upper ends of the left arc-shaped guide plate and the right arc-shaped guide plate are respectively overlapped up and down, one side of the bag cloth is positioned between the overlapped left arc-shaped guide plate and the right arc-shaped guide plate, and the other side of the bag cloth is positioned in the left arc-shaped guide plate or the right arc-shaped guide plate at the overlapped bottom.
Preferably, the two ends of the left arc-shaped guide plate and the right arc-shaped guide plate respectively emit the two ends of the surrounding frame. Is beneficial to the forming and guiding of the bag strip.
According to a specific and preferred aspect of the invention, the top of the enclosure frame is provided with a horizontally arranged elongated hole, the left arc-shaped guide plate is provided with a connecting part, and the bag cloth guide device further comprises a locking bolt piece which can be movably arranged in the elongated hole and is connected with the connecting part. The left arc-shaped guide plate and the right arc-shaped guide plate are folded inwards or unfolded outwards through movement adjustment of the locking bolt pieces.
Preferably, the enclosure frame is rectangular, the base comprises a cross at the bottom, a bracket which is positioned in the middle of the cross and can be adjusted in an up-down telescopic manner, and the enclosure frame is fixed at the top of the bracket and moves up and down along with the expansion of the bracket.
Further, the supporting seat comprises a cross support positioned at the bottom, a sleeve pipe positioned in the middle of the cross support and capable of being adjusted in an up-and-down telescopic manner, and the U-shaped supporting part is fixed at the top of the sleeve pipe from the bottom and moves up and down along with the telescopic movement of the sleeve pipe.
Furthermore, the cross and the cross support are connected through a connecting plate, the connecting plate is provided with a long groove along the length direction of the connecting plate, and the supporting legs of the cross and the cross support, which are positioned on the same line, are respectively provided with a bolt piece which can be movably arranged in the long groove and is in locking connection with the supporting legs.
Preferably, the left arc-shaped guide plate and the right arc-shaped guide plate are respectively formed by bending stainless steel sheets. By the arrangement of the steel sheet, the strength of the bag cloth is guaranteed, the adjustment requirement can be met, and meanwhile, the surface is smooth, so that the bag cloth is conveyed.
According to another specific implementation and preferred aspect of the invention, the U-shaped supporting part is further provided with a contact limiter which can be adjusted along the vertical direction and is arranged on one side or two sides of the U-shaped supporting part, and once the side edge of the gradually folded bag cloth is contacted with the contact limiter, the contact limiter sends out warning information.
Preferably, the contact limiter comprises a sleeve body sleeved on the vertical part of the U-shaped supporting part; the locking bolt is used for locking the sleeve body and the U-shaped supporting part relatively; one end part is fixed on the sleeve body, the other end part horizontally extends to the middle part of the U-shaped supporting part, and the signal processor can receive the contact information of the limiting contact rod and send out warning.
According to another specific implementation and preferred aspect of the present invention, the cutting machine comprises a buffer device for continuously cutting filter bags and an auxiliary discharging device after cutting, wherein the buffer device comprises a fixed frame positioned between a conveying roller of a sewing or fusing device and a feeding roller of the cutting machine, a plurality of guide rollers positioned on the fixed frame and arranged parallel to the conveying roller, a buffer frame positioned below the guide rollers and with one end part arranged on the fixed frame in a rotating manner around a pivot shaft arranged horizontally, a buffer roller arranged on the buffer frame and parallel to the guide rollers, a driving mechanism for driving the buffer frame to rotate around the pivot shaft, a control system for controlling the operation of the driving mechanism, and an induction system capable of receiving cutting information of the cutting machine and feeding back to the control system, wherein the control system controls the operation of the control system according to the information fed back by the induction system so as to realize relative distance and resetting of the buffer roller and the guide rollers, and the buffer roller is arranged close to the guide rollers when the filter bag strip is in transmission; when the filter bag strip is in cutting, the feed roller stops rotating, the sensing system feeds information back to the control system, the buffer roller and the guide roller are gradually far away until the feed roller resumes rotating after cutting is finished, and the driving mechanism drives the buffer frame to rotate in the opposite direction again, so that the buffer roller is gradually reset.
Preferably, each guide roller is rotatably provided at the fixing frame around its own axis direction.
Preferably, a plurality of guide rollers are arranged side by side.
Preferably, the buffer rollers are arranged in a plurality, and are arranged in a staggered manner relative to the guide rollers.
Preferably, the buffer device further comprises a limit protection mechanism for the rotation angle of the buffer frame.
According to a specific implementation and preferred aspect of the present invention, the limit protection mechanism includes a signal receiver fixedly arranged on the fixing frame, and a signal transmitter fixedly arranged on the buffer frame, and when the buffer frame is aligned with the signal receiver in the rotation process, the control system controls the driving mechanism to drive the buffer frame to rotate and gradually reset.
Preferably, the fixing frame comprises supporting parts vertically arranged on the ground and positioned on two sides, and horizontal installation parts respectively transversely arranged at the tops of the supporting parts and extending along the length direction of the filter bag strip, the plurality of guide rollers are symmetrically arranged on the horizontal installation parts on two sides relative to the supporting parts, and the signal receiver is fixedly arranged at the lower part of the supporting parts.
Preferably, the buffer storage rack comprises support rods which are positioned in the fixing frame and positioned at two sides of the filter bag strip, and two ends of the buffer storage roller are respectively arranged on the support rods at two sides and are respectively arranged in a rotating mode around the axis direction of the buffer storage roller.
Further, the support rod comprises a horizontal part extending along the length direction of the filter bag strip, a bending part bending downwards from one end of the horizontal part, a pivot is arranged at the bottommost end of the bending part, and a driving mechanism is arranged at the other end of the horizontal part.
Further, the driving mechanism is a telescopic rod, and the driving mode is electric, pneumatic or hydraulic.
According to a specific implementation and preferred aspect of the invention, the auxiliary discharging device and the working platform are respectively positioned at two sides of the conveyer belt for conveying the cut filter bags, the auxiliary discharging device comprises a positioning frame, a deflector rod assembly and a driving mechanism, the deflector rod assembly can be arranged on the positioning frame in a back-and-forth swinging manner along the width direction of the conveyer belt, the driving mechanism is used for driving the deflector rod assembly to swing back and forth, the deflector rod assembly is positioned above the side of the conveyer belt, and when the deflector rod assembly swings, the deflector rod assembly can deflector the filter bags cut on the conveyer belt to the working platform.
Preferably, the shifting lever assembly comprises a positioning lever which extends along the length direction of the conveying belt and is rotatably arranged on the positioning frame around the axis direction of the shifting lever assembly, and shifting units which are distributed at intervals along the length direction of the positioning lever and are used for shifting the filter bag from the conveying belt to the working platform.
According to a specific and preferred aspect of the invention, each toggle unit comprises a sliding sleeve movably adjustably arranged on the positioning rod; the upper end part is fixed on the shifting lever with the lower end part extending downwards of the sliding sleeve; and the shifting block is arranged at the lower end part of the shifting lever, and can be adjusted and arranged at the lower end part of the shifting lever in a manner of moving up and down along the length direction of the shifting lever.
Preferably, the shifting block is gradually reduced in thickness from top to bottom.
Preferably, the longitudinal section of the shifting block is in an inverted trapezoid shape.
Further, the lower part of the shifting lever is provided with a locking tooth, and the shifting unit further comprises a lock tongue movably arranged on the shifting block and matched with the locking tooth and a locking piece for locking the lock tongue and the shifting block relatively.
Further, the inside cavity setting of plectrum, the unit of stirring still includes and is located inside both ends portion of plectrum and contradicts between plectrum inner wall and spring bolt for the spring bolt keeps to the elastic component of lock tooth motion trend.
Preferably, the locking piece comprises a locking ring fixedly arranged on the shifting block and used for the locking bolt to pass through, and a bolt which is in threaded connection with the locking ring and vertically props against the locking bolt, wherein a pulling head is arranged at the outer end part of the locking bolt.
According to another specific and preferred aspect of the invention, the driving mechanism comprises a connecting sleeve fixed on the positioning rod; the upper end part is fixed on the connecting rod of which the upper end part and the lower end part extend downwards; the telescopic rods are respectively connected to the lower end parts of the connecting rods and the positioning frames at two ends, and the positioning rods are driven to rotate by the telescopic rods.
Preferably, the driving mechanisms are three, and are respectively distributed at the middle part and the two end parts of the positioning rod.
In addition, the locating rack includes the vertical pole that sets up in conveyer belt one side and be located conveyer belt both ends, the horizontal pole that extends to the conveyer belt opposite side from the top of vertical pole respectively, wherein is equipped with the positioning seat at the extension end of horizontal pole respectively, and the driving lever subassembly is installed on the positioning seat.
Further, the positioning frame also comprises a connecting rod transversely arranged between the two vertical rods.
The invention relates to a forming method of a dedusting filter bag, which adopts the forming equipment and comprises the following specific steps:
1) And (3) forming a bag opening:
a) One end of the outer layer cloth and one end of the inner layer cloth which are respectively formed into a bag opening shape are respectively sewed on two sides of the felt ring, wherein one end of the outer layer cloth is sewed in the felt ring, and one end of the inner layer cloth is sewed on the inner wall of the felt ring;
b) The annular steel ring is plugged into the outer layer cloth and is abutted against the inner side of the felt ring, then the other end of the inner layer cloth is plugged into the outer layer cloth from the inner side of the felt ring, and the annular steel ring is closed and sewn between the inner side of the felt ring, the outer layer cloth and the inner layer cloth;
2) And (3) forming a bag body:
a) The velvet material is opened by an opener and then enters a double-layer velvet combing machine, double-layer thin net velvet is formed by the double-layer velvet combing machine, then the double-layer thin net velvet is respectively paved on the front side and the back side of the base cloth by a velvet paving machine, then the base cloth is subjected to needling positioning by a pre-needling machine, and then the front side and the back side are subjected to needling by a main needling machine and folded by a cloth folding machine;
b) Soaking and pressing the folded cloth in a water-proof and oil-proof treatment system, and then conveying the cloth to a heat setting machine for heat setting treatment, wherein the temperature of the cloth is controlled to be 220-240 ℃;
c) After heat setting, adding the cloth into a singeing machine, singeing one side surface of the cloth through open fire, then carrying out calendaring treatment on the singed surface through a heating roller, and coiling and forming through a coiling machine;
d) Bending the coiled filter bag cloth from two sides to the middle to form a straight cylindrical bag strip, and fixedly connecting two side parts of the filter bag cloth through a side fusion or stitching machine;
e) Cutting according to a specified size;
3) Bottom forming of bag
A) Forming a straight cylindrical sleeve body by the fabric for preparing the bag body;
b) One end of the sleeve body is inwards bent to form a wrapping edge, then a back cover is adopted, the periphery of the back cover is sewn between the wrapping edge and the sleeve body, and meanwhile the back cover is positioned in the sleeve body;
4) And (3) sewing, fusing or ultrasonic welding one end part of the inner layer cloth and the outer layer cloth in the step (1) and one end part of the bag body together, and then sewing, fusing or ultrasonic welding the other end part of the bag body and the other end part of the sleeve body in the step (3).
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
According to the invention, on one hand, the angle of the tensioning roller assembly can be adjusted according to the tensioning and loosening of the filter bag cloth, so that the filter bag cloth entering the cloth rolling power roller keeps a tensioning trend all the time, the side parts of the folded cloth are ensured to be arranged in a flush manner, and meanwhile, the bag body with overlapped sewing or fusion sides is formed under the guidance of the bag cloth, so that the filter bag is convenient to form; on the other hand, the waterproof and oil-proof treatment system enhances the waterproof and oil-proof performances of the filter bag, thereby meeting the use requirements of special users and being very convenient for the buffer storage cutting of the filter bag.
Drawings
The invention will now be described in further detail with reference to the drawings and to specific examples.
FIG. 1 is a simplified schematic view of a construction of a molding apparatus for a waterproof and oilproof dust bag of the present invention;
FIG. 2 is a schematic view of the cloth folding machine of FIG. 1;
FIG. 3 is a schematic view of the water and oil repellent treatment system of FIG. 1;
FIG. 4 is a schematic view of the bag guide of FIG. 1;
FIG. 5 is a schematic structural view of a buffering device for continuously cutting filter bags in FIG. 1;
FIG. 6 is a schematic top view of the auxiliary discharge apparatus of FIG. 1;
FIG. 7 is a left side schematic view of FIG. 6;
FIG. 8 is an enlarged schematic view of FIG. 7 at A;
Wherein: ① . A cloth folding machine; 1. a cloth folding frame; 2. a cloth rolling power roller; 3. a cloth swing roller assembly; 30. a cloth arranging roller; 31. a roller frame; 4. a cloth folding driving mechanism; 40. an eccentric wheel; 41. swing rod; 42. a motor; 43. a speed reducer; 5. a tension roller assembly; 50. tensioning a bracket; 51. a first tension roller; 52. a second tension roller; 6. a telescopic rod; 7. a limit component; 70. a positioning plate; 71. a first blocking portion; 72. a second blocking portion; 73. a limit rod; 74. a connecting rod; a, b, pivot; B. a bag cloth;
② . A water and oil resistant treatment system for the filter bag cloth; 1A, a treatment rack; 2A, a soaking unit; 20A, an immersion liquid tank; 21A, squeeze roll assembly; 210A, positioning seats; 211A, squeeze rolls; 212A, hanging a rope; 213A, squeeze rolls; 22A, a transfer roller assembly; 221A, a first conveying roller; 222A, a second transfer roller; 23A, a water filter roller assembly; 230A, a water filtering roller; 3A, an extrusion unit; 31A, a first squeeze roll; 32A, a second squeeze roll; 33A, a driving mechanism; 330A, connection plates; 331A, telescopic rod; B. a bag cloth;
③ . A pocket cloth guide device; 1B, a bracket; 10B, a base; 100B, a cross; 101B, a stent; 11B, enclosing frame; 110B, an elongated hole; 2B, a left arc-shaped guide plate; 3B, a right arc-shaped guide plate; 4B, a supporting seat; 40B, a cross brace; 41B, a sleeve; 5B, U support portions; 6B, locking a bolt member; 7B, connecting a plate; 70B, an elongated slot; 8B, a bolt piece; 9B, a contact limiter; 90B, a sleeve body; 91B, locking bolts; 92B, a limit feeler lever; a. a support leg; B. a pocket cloth;
④ . A buffer device; 1C, conveying rollers; 2C, a feeding roller; 3C, fixing frame; 30C, a support; 31C, a horizontal mounting portion; 4C, a guide roller; 5C, caching the frame; 50C, supporting rods; 500C, horizontal portion; 501C, a bending part; 6C, caching the roller; 7C, a driving mechanism (telescopic rod); 8C, a limit protection mechanism; 80C, signal receiver; 81C, a signal emitter; a. a pivot; b. an elongated aperture; t, filter bag strips;
⑤ . An auxiliary discharging device; 10D, a positioning frame; 100D, vertical bars; 101D, horizontal bars; 102D, a connecting rod; 11D, a lever assembly; 110D, positioning rods; 111D, a toggle unit; a. a sliding sleeve; b. a deflector rod; c. a shifting block; e. locking teeth; f. a bolt; g. a locking member; g1, locking ring; g2, a bolt; h. an elastic member; i. a pulling head; 12D, driving mechanism; 120D, connecting sleeve; 121D, connecting rods; 122D, telescoping rod; 13D, a positioning seat; 2D, a working platform; 3D, conveyer belt; D. and (5) filtering the bag.
Detailed Description
As shown in fig. 1 to 8, the forming apparatus for a waterproof and oilproof type dust removing filter bag provided in this embodiment includes a bag mouth forming device, a bag body forming device, and a bag bottom forming device, the bag body forming device including a fleece opener, a double-layer carding machine, a fleece paving machine, a needling machine, a cloth folding machine, a heat setting machine, a singeing machine, a calender, a coiler, a side fusion or stitching machine, and a cutting machine, wherein the needling machine includes a pre-needling machine that positions a laid web fleece on the front and back sides of a base cloth and a main needling machine that performs needling on the front and back sides of the positioned cloth, and the bag body forming device further includes a processing system for waterproof and oilproof filtering cloth disposed between the cloth folding machine and the heat setting machine, and a processing system for adsorbing and recovering the fleece on both sides of a carding roller of the double-layer carding machine to the fleece opener.
Specifically, the cloth folding machine ① comprises a cloth folding frame 1, cloth rolling power rollers 2, a cloth swinging roller assembly 3 and a cloth folding driving mechanism 4, wherein two ends of the cloth rolling power rollers are respectively arranged at the left side and the right side of the cloth folding frame 1, the cloth swinging roller assembly 3 is positioned at the front end part of the cloth folding frame and can rotate around the horizontal axis direction, the cloth folding driving mechanism 4 swings back and forth around the front end part of the cloth folding frame 1, and the cloth folding device also comprises a tensioning roller assembly 5 which is arranged on the cloth folding frame 1 in a rotating way through a horizontally arranged pivot a; one end part of the telescopic rod 6 is rotatably arranged on the tensioning roller assembly 5, and the other end part of the telescopic rod is rotatably arranged on the cloth folding frame 1; and a limiting assembly 7 for limiting the rotation angle of the tension roller assembly 5, wherein the tension roller assembly 5 is driven to rotate around the pivot a by the extension of the extension rod 6, so that the filter bag cloth B entering the cloth rolling power roller 2 keeps tensioning trend all the time.
The tensioning roller assembly 5 comprises tensioning brackets 50 which are respectively arranged on the left side and the right side of the cloth folding frame 1 in a rotating mode from the middle portion, a first tensioning roller 51 and a second tensioning roller 52 which are positioned at the front end portion and the rear end portion of the tensioning brackets 50 and are parallel to the cloth rolling power roller 2, and filter bag cloth B sequentially passes through the second tensioning roller 52 and the first tensioning roller 51 from bottom to top and is conveyed to the cloth rolling power roller 2 from the bottom of the first tensioning roller 51 upwards and forwards.
The first tension roller 51 and the second tension roller 52 are provided on the tension bracket 50 so as to rotate around the axial line direction thereof, respectively.
The first tension roller 51 and the second tension roller 52 are movably and adjustably arranged on the tension bracket 50 along the length direction of the tension bracket 50 (an elongated chute is started on the tension bracket 50, the ends of the first tension roller 51 and the second tension roller 52 are respectively and slidably arranged in the elongated chute, and then the tension bracket 50 and the first tension roller 51 and the second tension roller 52 are relatively locked through an external connecting piece, so that the distance between the first tension roller 51 and the second tension roller 52 can be adjusted according to actual requirements).
The number of the telescopic rods 6 is two, and the telescopic rods are respectively positioned at two sides of the cloth folding frame 1; the two ends of the telescopic rod 6 are respectively connected with the tensioning bracket 50 and the cloth folding frame 1 which are positioned at the same side; the telescopic rod 6 can be driven hydraulically, pneumatically or electrically.
The limiting assembly 7 comprises a positioning plate 70 fixedly arranged on one side of the cloth folding frame 1, a first blocking part 71 and a second blocking part 72 which extend outwards horizontally from the outer side of the positioning plate 70 and are arranged at intervals, and a limiting rod 73 which is fixed on the pivot a and is positioned between the first blocking part 71 and the second blocking part 72, wherein the limiting rod 73 is abutted against the first blocking part 71 or the second blocking part 72 to limit the rotation of the tensioning roller assembly 5.
In this example, the limiting assembly 7 further includes a connecting rod 74 for fixedly connecting the outer ends of the first blocking portion 71 and the second blocking portion 72, wherein the first blocking portion 71, the second blocking portion 72, and the connecting rod 74 form a movement space for swinging the limiting rod 73.
Meanwhile, the limiting component 7 can be arranged on one side of the cloth folding frame 1, and can be symmetrically arranged on two sides of the cloth folding frame 1.
The cloth swinging roller assembly 3 comprises a cloth swinging roller 30 which is arranged in parallel with the cloth rolling power roller 2, and a roller frame 31 which is positioned at two ends of the cloth swinging roller 30 and the upper end of which is rotationally connected with the left side and the right side of the front end of the cloth folding frame 1 through a pivot b, wherein the cloth swinging roller 30 rotates around the direction of the axis of the cloth swinging roller; the cloth rocking roller 30 has a plurality of rollers and is provided on the roller frame 31 so as to be movable along the length of the roller frame 31.
The cloth folding driving mechanism 4 comprises an eccentric wheel 40 with a horizontal axial lead, a swing rod 41 with two ends respectively connected to the eccentric wheel 40 and the roller frame 31, and a motor 42 and a speed reducer 43 which are arranged on the cloth folding frame 1 and used for driving the eccentric wheel 40 to rotate.
The cloth-rolling power roller 2 moves synchronously with the eccentric 40. So that both movements share one motor 42.
A bag cloth water and oil repellent treatment system ② comprising a treatment rack 1A, a soaking unit 2A, a squeezing unit 3A, a drying unit (not shown in the drawings), wherein the soaking unit 2A comprises a soaking tank 20A, a plurality of conveying rolls forming a squeezing roll assembly 21A for squeezing a bag cloth B, a transfer roll assembly 22A for transferring the bag cloth B, and a drain roll assembly 23A for draining the soaking liquid on the surface of the bag cloth B, wherein the squeezing roll assembly 21A comprises a positioning seat 210A above the liquid level of the soaking tank 20A and located at both ends of the soaking tank 20A, two squeezing rolls 211A located in the solution of the soaking tank 20A, and a hanging rope 212A hanging the ends of the squeezing rolls 211A on the positioning seat 210A, respectively, wherein the squeezing rolls 211A extend along the length of the soaking tank 20A, and the two squeezing rolls 211A contact against to form a squeezing area in which the bag cloth B passes.
The positioning seat 210A is provided with a sheave 213A, and a hanging rope 212A is hung on the sheave 213A from the middle, and both ends of the hanging rope extend downward and outward, respectively, and are connected to shaft ends of the squeeze roller 211A. The squeeze roller 211A is arranged in a relatively abutting mode under the action of self weight, and the position of the squeeze roller 211A can be automatically adjusted according to the tensioning force of the filter bag cloth B, so that the operation that the filter bag cloth B is immersed and squeezed is facilitated.
The squeeze roller assemblies 21A are provided in plural sets and are arranged side by side. Repeated extrusion and soaking are carried out for a plurality of times, so that the soaking effect of the filter bag cloth B is improved.
The conveying roller assembly 22A comprises a first conveying roller 221A which is positioned in the immersion tank solution and is used for conveying two adjacent groups of extrusion roller assemblies 21A to be connected, a second conveying roller 222A which is used for conveying the filter bag cloth B of the last group of extrusion roller assemblies 21A to the water filtering roller assembly 23A, and the filter bag cloth B is conveyed to the rear group of extrusion roller 211A assemblies through the first conveying roller 221A after being extruded from the front group of extrusion roller assemblies 21A; the second transfer roller is located above (laterally above) the solution in the immersion tank 20A.
The filter roller assembly 23A is located above the liquid level of the immersion tank 20A and on the side of the immersion tank 20A where the extrusion unit 3A forms a feed inlet. The pressed slurry is prevented from dripping on the drained bag cloth.
In this example, the filter roller assembly 23A includes a plurality of filter rollers 230A arranged side by side and at intervals from bottom to top. The filter bag cloth B is relatively tensioned by a plurality of rollers, so that the surface clear water is filtered out as much as possible and falls back into the immersion tank 20A.
The squeeze unit 3A includes a first squeeze roller 31A and a second squeeze roller 32A located above the immersion tank 20A, and a driving mechanism 33A for driving the first squeeze roller 31A and the second squeeze roller 32A relatively close to or apart from each other, wherein the first squeeze roller 31A and the second squeeze roller 32A are rotatably provided around their own axes, respectively.
The first squeeze roller 31A is fixed to the process frame 1A, the second squeeze roller 32A is movably provided to the process frame 1A, and the first squeeze roller 31A and the second squeeze roller 32A are rotatably provided in opposition. In this example, the rotation directions of the first squeeze roller 31A and the second squeeze roller 32A are shown by arrows at the first squeeze roller 31A and the second squeeze roller 32A, so that the pressed filter bag cloth B can be moved to the drying unit.
The driving mechanism 33A is for driving the second squeeze roller 32A to be disposed in a direction moving toward or away from the first squeeze roller 31A.
The driving mechanism 33A includes a connection plate 330A disposed on the processing rack 1A and having one end portion rotatably disposed on both sides of the processing rack, and a telescopic rod 331A disposed on the other end portion of the connection plate 330A and on the processing rack 1A and having both end portions rotatably disposed on the connection plate 330A, and the two shaft end portions of the second squeeze roller 32A are disposed on the connection plate 330A, and when the telescopic rod 331A stretches, the second squeeze roller 32A is driven to move away from or close to the first squeeze roller 31A.
The telescopic rod 331A is hydraulically, pneumatically or electrically operated, and the telescopic principle of the telescopic rod 331A is conventional, and will not be described in detail herein.
The bag cloth guiding device ③ comprises a support 1B, a left arc-shaped guide plate 2B and a right arc-shaped guide plate 3B, wherein the left arc-shaped guide plate 2B and/or the right arc-shaped guide plate 3B are arranged on the support 1B, the left arc-shaped guide plate 2B and/or the right arc-shaped guide plate 3B can be inwards closed and outwards opened, the bag cloth guiding device further comprises a support seat 4B arranged between the support 1B and the bag cloth unreeling, and a U-shaped support part 5B arranged on the support seat 4B and provided with an upward opening, wherein the U-shaped support part 5B is arranged on the support seat 4B in an adjustable manner along the vertical direction.
The stand 1B includes a base 10B, and a peripheral frame 11B provided on the base 10B and extending in the moving direction of the pocket B.
The base 10B includes a cross 100B at the bottom, and a bracket 101B at the middle of the cross 100B and capable of being adjusted in a vertically telescopic manner.
The enclosure frame 11B is rectangular, and the enclosure frame 11B is fixed on the top of the bracket 101B and moves up and down along with the expansion and contraction of the bracket 101B.
The lower end parts of the left arc-shaped guide plate 2B and the right arc-shaped guide plate 3B are respectively fixed at the bottom of the surrounding frame 11B, the upper end parts are respectively overlapped up and down, one side of the bag cloth B is positioned between the overlapped left arc-shaped guide plate 2B and the overlapped right arc-shaped guide plate 3B, and the other side of the bag cloth B is positioned in the left arc-shaped guide plate 2B or the right arc-shaped guide plate 3B at the overlapped bottom.
In this example, the upper end of the right arc-shaped guide plate 3B is located above the upper end of the left arc-shaped guide plate 2B, and forms an overlapping area through which the pocket cloth B passes.
The two ends of the left arc-shaped guide plate 2B and the right arc-shaped guide plate 3B respectively emit two ends of the surrounding frame 11B. Is beneficial to the forming and guiding of the bag strip.
Simultaneously, the left arc-shaped guide plate 2B and the right arc-shaped guide plate 3B are respectively formed by bending stainless steel sheets. By the arrangement of the steel sheet, the strength of the bag cloth B is guaranteed, the adjustment requirement can be met, and meanwhile, the surface is smooth, so that the bag cloth B is conveyed.
In this example, an elongated hole 110B is provided in the top of the peripheral frame 11B, and a connecting portion (not shown but not easily thought) is provided on the left arc-shaped guide plate 2B, and the bag guide device further includes a locking bolt member 6B movably provided in the elongated hole 110B and connected to the connecting portion. The left arc-shaped guide plate 2B and the right arc-shaped guide plate 3B are folded inwards or unfolded outwards by the movement adjustment of the locking bolt member 6B.
The support base 4B includes a cross brace 40B at the bottom, a tube 41B at the middle of the cross brace 40B and capable of being adjusted by up and down extension, and a u-shaped support 5B fixed at the top of the tube 41B from the bottom and moving up and down along with extension and retraction of the tube 41B.
The cross 100B and the cross 40B are connected by a connecting plate 7B, the connecting plate 7B is provided with an elongated slot 70B along the length direction thereof, and the legs a of the cross 100B and the cross 40B on the same line are respectively provided with a bolt member 8B which can be movably arranged in the elongated slot 70B and is in locking connection with the legs a.
In addition, the U-shaped supporting part 5B is also provided with a contact limiter 9B which can be adjusted along the vertical direction and is arranged on one side or two sides of the U-shaped supporting part 5B, and once the side edge of the bag cloth B which is gradually folded contacts with the contact limiter 9B, the contact limiter 9B sends out warning information.
Specifically, the contact limiter 9B includes a sleeve body 90B that is sleeved on the vertical portion of the U-shaped supporting portion 5B; a lock bolt 91B for locking the sleeve body 90B and the U-shaped support portion 5B relatively; a limit feeler lever 92B having one end portion fixed to the sleeve body 90B and the other end portion extending horizontally toward the middle of the U-shaped supporting portion 5B, and a signal processor (not shown) capable of receiving contact information of the limit feeler lever 92B and giving a warning.
A buffer ④ including a fixed frame 3C located between a transfer roller 1C of the sewing or fusing apparatus and a feed roller 2C of the cutter, a plurality of guide rollers 4C located on the fixed frame 3C and disposed parallel to each other with the transfer roller 1C, a buffer frame 5C located below the plurality of guide rollers 4C and having one end rotatably disposed on the fixed frame 3C about a horizontally disposed pivot a, a buffer roller 6C disposed on the buffer frame 5C and parallel to each other with the guide rollers 4C, a driving mechanism 7C for driving the buffer frame 5C to rotate about the pivot a, a control system for controlling the operation of the driving mechanism 7C, and an induction system capable of receiving and feeding back cutting information of the cutter, wherein the control system controls the operation of the control system according to the information fed back by the induction system to realize relative distance and reset of the buffer roller 6C and the guide rollers 4C, the buffer roller 6C being disposed close to the guide roller 4C when the filter bag strip T is in transmission; when the filter bag strip T is cut, the feeding roller 2C stops rotating, the sensing system feeds information back to the control system, the buffer roller 6C is gradually far away from the guide roller 4C until the cutting end, the feeding roller 2C resumes rotating, and the driving mechanism drives the buffer frame 5C to rotate in the opposite direction again, so that the buffer frame is gradually reset (reset refers to reset of the buffer frame 5 here).
The fixing frame 3C includes supporting portions 30C vertically disposed on the ground and located on both sides, horizontal mounting portions 31C respectively transversely disposed on top of the supporting portions 30C and extending along the length direction of the filter bag strip T, and a plurality of guide rollers 4C are symmetrically disposed on the horizontal mounting portions 31C on both sides with respect to the supporting portions 30C.
The buffer rack 5C includes support rods 50C located inside the fixing rack 3C and located at two sides of the filter bag strip T, and two ends of the buffer roller 6C are respectively disposed on the support rods 50C at two sides and are respectively disposed in a rotating manner around the axis direction of the buffer roller.
The strut 50C includes a horizontal portion 500C extending along the longitudinal direction of the filter bag strip T, a bent portion 501C bent downward from one end of the horizontal portion 500C, a pivot a provided at the lowermost end of the bent portion 501C, and a driving mechanism 7C provided at the other end of the horizontal portion 500C.
Further, the horizontal portion 500C is provided with an elongated hole b, and the buffer roller 6 is provided so as to be movable along the longitudinal direction of the elongated hole b.
The driving mechanism 7C is a telescopic rod, and the driving mode thereof is electric, pneumatic or hydraulic. In the embodiment, two or one telescopic rod are arranged, and when one telescopic rod is arranged, the telescopic rod is positioned at one side of the filter bag strip T; when there are two, the two filter bag strips are positioned at two sides of the filter bag strip T.
Each guide roller 6C is rotatably provided on the fixing frame 3C (horizontal mounting portion 31C) about its own axis direction. And a plurality of guide rollers 6C are arranged side by side.
In this example, the number of the buffer rollers 6C is plural, and the buffer rollers are arranged in a staggered manner relative to the guide roller 4C.
In addition, the above-mentioned buffer device further includes a limit protection mechanism 8C for limiting the rotation angle of the buffer frame 5C (the other end of the buffer frame 5C is limited downward to prevent the filter bag strip T wound on the buffer roller 6C from touching the ground).
The limit protection mechanism 8C includes a signal receiver 80C fixedly disposed on the fixing frame 3C (lower portion of the supporting portion), and a signal transmitter 81C fixedly disposed on the buffer frame 5C (horizontal portion 500), and when the buffer frame 5C is rotating, the signal transmitter 81C is aligned with the signal receiver 80C, and the control system controls the driving mechanism 7C (telescopic rod) to drive the buffer frame 5C to rotate and gradually reset (i.e. the buffer roller 6 gradually approaches the guide roller 4C).
The auxiliary discharging device ⑤ and the working platform 2D are respectively positioned at two sides of the conveying belt 3D for conveying the cut filter bags D.
The auxiliary discharging device ⑤ comprises a positioning frame 10D, a deflector rod assembly 11D capable of being arranged on the positioning frame 1D in a back-and-forth swinging manner along the width direction of the conveying belt 3D, and a driving mechanism 12D for driving the deflector rod assembly 11D to swing back and forth, wherein the deflector rod assembly 11D is positioned above the side of the conveying belt 3D, and when the deflector rod assembly 11D swings, the deflector rod assembly 11D (deflector rod assembly 11D) can be used for conveying the filter bag D cut on the conveying belt 3D to the working platform 2D.
Specifically, the positioning frame 10D includes vertical rods 100D vertically disposed on one side of the conveyor belt 3D and located at two ends of the conveyor belt 3D, horizontal rods 101D extending from top portions of the vertical rods 100D to the other side of the conveyor belt 3D, and a connecting rod 102D transversely disposed between the two vertical rods 100D, wherein positioning seats 13D are disposed at extending ends of the horizontal rods 101D, respectively, and the driving rod assembly 11D is mounted on the positioning seats 13D.
The shift lever assembly 11D includes positioning levers 110D extending along the length direction of the conveyor belt 3D and rotatably provided on the positioning frame 11D about the own axis direction (rotatably provided on the positioning seats 13D, respectively, through bearings), and shift units 111D spaced apart along the length direction of the positioning levers 110D and for shifting the filter bags D from the conveyor belt onto the work platform 2D.
Each toggle unit 111D includes a sliding sleeve a movably adjustably disposed on the positioning rod 110D; the upper end part is fixed on the upper end part and the lower end part of the sliding sleeve a and is extended downwards; and a shifting block c arranged at the lower end part of the shifting lever b, wherein the shifting block c can be adjusted and arranged at the lower end part of the shifting lever b in a manner of moving up and down along the length direction of the shifting lever b.
The thickness of the shifting block c gradually decreases from top to bottom.
Further, the longitudinal section of the shifting block c is in an inverted trapezoid shape, and the inside of the shifting block c is hollow.
In order to realize the movement adjustment of the shifting block c, in this example, a locking tooth e is disposed at the lower part of the shifting lever b, and the shifting unit 111D further includes a locking bolt f movably disposed on the shifting block c and matched with the locking tooth e, and a locking piece g for locking the locking bolt f and the shifting block c relatively.
Further, the striking unit 111D further includes an elastic member h disposed at two ends of the inside of the striking block c and abutting between the inner wall of the striking block c and the tongue f, so that the tongue f keeps a movement trend toward the lock tooth e.
The locking piece g comprises a locking ring g1 fixedly arranged on the shifting block c and used for the locking bolt f to pass through, and a bolt g2 in threaded connection with the locking ring g1 and vertically abutting against the locking bolt f, wherein a pulling head i is arranged at the outer end part of the locking bolt f.
The driving mechanism 12D includes a connecting sleeve 120D fixed to the positioning rod 110D; a connecting rod 121D with an upper end portion fixed on the connecting sleeve 120D and a lower end portion extending downward; the two ends are respectively connected with the lower end part of the connecting rod 121D and the telescopic rod 122D on the positioning frame 1D, wherein the positioning rod 110D is driven to rotate by the telescopic rod 122D.
In this example, three driving mechanisms 12D are disposed at the middle and two ends of the positioning rod 110D.
Meanwhile, the telescopic rod 122D is driven electrically, pneumatically or hydraulically.
In this example, the forming method of the dust removing filter bag adopts the forming equipment, and specifically comprises the following steps:
1) And (3) forming a bag opening:
a) One end of the outer layer cloth and one end of the inner layer cloth which are respectively formed into a bag opening shape are respectively sewed on two sides of the felt ring, wherein one end of the outer layer cloth is sewed in the felt ring, and one end of the inner layer cloth is sewed on the inner wall of the felt ring;
b) The annular steel ring is plugged into the outer layer cloth and is abutted against the inner side of the felt ring, then the other end of the inner layer cloth is plugged into the outer layer cloth from the inner side of the felt ring, and the annular steel ring is closed and sewn between the inner side of the felt ring, the outer layer cloth and the inner layer cloth;
2) And (3) forming a bag body:
a) The velvet material is opened by an opener and then enters a double-layer velvet combing machine, double-layer thin net velvet is formed by the double-layer velvet combing machine, then the double-layer thin net velvet is respectively paved on the front side and the back side of the base cloth by a velvet paving machine, then the base cloth is subjected to needling positioning by a pre-needling machine, and then the front side and the back side are subjected to needling by a main needling machine and folded by a cloth folding machine;
b) Soaking and pressing the folded cloth in a water-proof and oil-proof treatment system, and then conveying the cloth to a heat setting machine for heat setting treatment, wherein the temperature of the cloth is controlled to be 220-240 ℃;
c) After heat setting, adding the cloth into a singeing machine, singeing one side surface of the cloth through open fire, then carrying out calendaring treatment on the singed surface through a heating roller, and coiling and forming through a coiling machine;
d) Bending the coiled filter bag cloth from two sides to the middle to form a straight cylindrical bag strip, and fixedly connecting two side parts of the filter bag cloth through a side fusion or stitching machine;
e) Cutting according to a specified size;
3) Bottom forming of bag
A) Forming a straight cylindrical sleeve body by the fabric for preparing the bag body;
b) One end of the sleeve body is inwards bent to form a wrapping edge, then a back cover is adopted, the periphery of the back cover is sewn between the wrapping edge and the sleeve body, and meanwhile the back cover is positioned in the sleeve body;
4) And (3) sewing, fusing or ultrasonic welding one end part of the inner layer cloth and the outer layer cloth in the step (1) and one end part of the bag body together, and then sewing, fusing or ultrasonic welding the other end part of the bag body and the other end part of the sleeve body in the step (3).
Further, in the above steps, the surface of the inner cloth facing the center of the pocket opening, the outer side surface of the outer cloth, and the outer side surfaces of the pocket body and the pocket bottom are all smooth surfaces after singeing treatment, and the smooth surfaces after singeing treatment.
In addition, the shaping of bag bottom can be directly inwards form the bordure by the tip that keeps away from the sack of bag body, then adopts the back cover and sews up the periphery of back cover between bordure and the cover body, and the back cover is located the inside of the cover body simultaneously.
The dedusting filter bag processed by the method has the following advantages:
1. Through the arrangement of the felt ring, under the condition that high-pressure air flow flushes the dust removing filter bag frequently, the friction between the annular steel ring and the bag opening is prevented, and the service life of the bag opening is prolonged;
2. The outer layer cloth, the inner layer cloth and the bag body are sewn together, so that the strength of the joint part of the bag mouth and the bag body is improved;
3. the bag bottom adopts a wrapping design, so that ash leakage (especially high-pressure airflow flushing and removing) at the joint of the bag bottom and the bag body is avoided, and meanwhile, the bag bottom is effectively prevented from falling off;
4. The surface of the inner layer cloth facing the center of the bag opening, the outer side surface of the outer layer cloth and the outer side surfaces of the bag body and the bag bottom are smooth surfaces after singeing treatment, and the smooth surfaces after singeing treatment can ensure air permeability on one hand; on the other hand, the leakage of dust is prevented.
The present invention has been described in detail with the purpose of enabling those skilled in the art to understand and practice the present invention, but not to limit the scope of the present invention, and the present invention is not limited to the above-described embodiments, and all equivalent changes or modifications according to the spirit of the present invention should be covered in the scope of the present invention.

Claims (10)

1. The forming equipment of the waterproof and oil-proof dedusting filter bag comprises a bag opening forming device, a bag body forming device and a bag bottom forming device, wherein the bag body forming device comprises a velvet material opener, a double-layer velvet carding machine, a velvet paving machine, a needling machine, a cloth folding machine, a heat setting machine, a singeing machine, a calender, a coiling machine, a side fusing or sewing machine and a cutting machine, the cloth folding machine comprises a cloth folding frame, cloth rolling power rollers with two ends respectively arranged at the left side and the right side of the cloth folding frame, a cloth swinging roller assembly which is positioned at the front end part of the cloth folding frame and can rotate around the horizontal axis direction, and a cloth folding driving mechanism, wherein the cloth swinging roller assembly swings back and forth around the front end part of the cloth folding frame, the method is characterized in that: the cloth folding machine further comprises a tensioning roller assembly which is arranged on the cloth folding frame in a rotating mode through a horizontally arranged pivot; one end part of the telescopic rod is rotatably arranged on the tensioning roller assembly, and the other end part of the telescopic rod is rotatably arranged on the cloth folding frame; and a limit assembly for defining an angle of rotation of the tension roller assembly, wherein the tension roller assembly is driven by the telescoping of the telescoping rod to rotate about the pivot axis to maintain tension of the filter bag cloth entering the cloth rolling power roller at all times; the side fusing or sewing machine comprises a bag cloth guide device, wherein the bag cloth guide device comprises a support, a left arc guide plate and a right arc guide plate which are arranged on the support and used for folding and guiding the bag cloth from two sides to the middle part, the left arc guide plate and/or the right arc guide plate can be inwards closed and outwards opened and are arranged on the support, the support comprises a base, a surrounding frame which is arranged on the base and extends along the moving direction of the bag cloth, the lower end parts of the left arc guide plate and the right arc guide plate are respectively fixed at the bottom part of the surrounding frame, the upper end parts of the left arc guide plate and the right arc guide plate are respectively overlapped up and down, one side of the bag cloth is positioned between the overlapped left arc guide plate and right arc guide plate, The other side is positioned in the left arc-shaped guide plate or the right arc-shaped guide plate which are overlapped at the bottom; the cutting machine comprises a buffer device for continuously cutting the filter bags and an auxiliary discharging device after cutting; the bag body forming device further comprises a water-proof and oil-proof treatment system of the filter bag cloth arranged between the cloth folding machine and the heat setting machine; the water-proof and oil-proof treatment system for the filter bag cloth comprises a treatment frame, a soaking unit, an extrusion unit and a drying unit, wherein the soaking unit comprises a soaking tank and a plurality of conveying rollers, the conveying rollers form an extrusion roller assembly for extruding the filter bag cloth, a conveying roller assembly for conveying the filter bag cloth and a water filtering roller assembly for draining the soaking liquid on the surface of the filter bag cloth, the extrusion roller assembly comprises a positioning seat, two extrusion rollers and hanging ropes, the positioning seats are positioned above the liquid level of the soaking tank and at two ends of the soaking tank, the two extrusion rollers are positioned in the solution of the soaking tank, the hanging ropes hang the ends of the extrusion rollers on the positioning seat respectively, the extrusion rollers extend along the length direction of the soaking tank, the two extrusion rollers are abutted to form an extrusion area, and the filter bag cloth passes through the extrusion area; the water filtering roller assembly comprises a plurality of water filtering rollers which are arranged side by side from bottom to top at intervals; the extrusion unit comprises a first extrusion roller and a second extrusion roller which are positioned above the dipping tank, and a driving mechanism for driving the first extrusion roller and the second extrusion roller to be relatively close to or far away from each other, wherein the first extrusion roller and the second extrusion roller are respectively arranged in a rotating way around the axis of the first extrusion roller and the second extrusion roller.
2. The molding apparatus of a water and oil repellent filter bag according to claim 1, wherein: the tensioning roller assembly comprises tensioning brackets which are respectively arranged on the left side and the right side of the cloth folding frame in a rotating mode from the middle portion, a first tensioning roller and a second tensioning roller which are arranged at the front end portion and the rear end portion of the tensioning brackets and are parallel to the cloth folding power roller, filter bag cloth sequentially passes through the second tensioning roller and the first tensioning roller from bottom to top and is upwards and forwards conveyed to the cloth folding power roller from the bottom of the first tensioning roller, two telescopic rods are arranged, the telescopic rods are respectively arranged on two sides of the cloth folding frame, and the two ends of each telescopic rod are respectively connected to the tensioning brackets and the cloth folding frame which are arranged on the same side.
3. The molding apparatus of a water and oil repellent filter bag according to claim 2, wherein: the first tensioning roller and the second tensioning roller rotate around the axial lead direction of the first tensioning roller and the second tensioning roller respectively and can be movably and adjustably arranged on the tensioning bracket along the length direction of the tensioning bracket.
4. The molding apparatus of a water and oil repellent filter bag according to claim 1, wherein: the limiting assembly comprises a positioning plate fixedly arranged on one side of the cloth folding frame, a first blocking part, a second blocking part, a limiting rod and a connecting rod, wherein the first blocking part and the second blocking part are horizontally outwards extended from the outer side of the positioning plate and are arranged in a spaced mode, the limiting rod is fixed on a pivot and positioned between the first blocking part and the second blocking part, the connecting rod is used for fixedly connecting the outer ends of the first blocking part and the second blocking part, the rotation of the tensioning roller assembly is limited by the interference of the limiting rod and the first blocking part or the second blocking part, and the first blocking part, the second blocking part and the connecting rod form a moving space for swinging the limiting rod.
5. The molding apparatus of a water and oil repellent filter bag according to claim 1, wherein: the bag cloth guide device also comprises a support seat arranged between the support and the bag cloth unreeling, and a U-shaped support part arranged on the support seat and provided with an upward opening, wherein the U-shaped support part is arranged on the support seat in an adjustable manner along the vertical direction.
6. The molding apparatus of a water and oil repellent filter bag according to claim 5, wherein: the two ends of the left arc-shaped guide plate and the right arc-shaped guide plate respectively emit the two ends of the surrounding frame.
7. The molding apparatus of a water and oil repellent filter bag according to claim 1, wherein: the buffer device comprises a fixing frame positioned between a conveying roller of the side fusion or sewing machine and a feeding roller of the cutting machine, a plurality of guide rollers which are positioned on the fixing frame and are mutually parallel to the conveying roller, a buffer frame which is positioned below the guide rollers and is arranged on the fixing frame in a way that one end part of the buffer frame is rotationally arranged around a horizontally arranged pivot, buffer rollers which are arranged on the buffer frame and are mutually parallel to the guide rollers, and a driving mechanism for driving the buffer frame to rotate around the pivot.
8. The apparatus for forming a water and oil repellent filter bag according to claim 7, wherein: the buffer device also comprises a control system for controlling the operation of the driving mechanism and an induction system capable of receiving the cutting information of the cutting machine and feeding back the cutting information to the control system, wherein the control system controls the operation of the control system according to the information fed back by the induction system so as to realize the relative distance between the buffer roller and the guide roller and the buffer roller is close to the guide roller when the filter bag strip is in transmission; when the filter bag strip is in and cuts, the feed roll stop rotating, the induction system with information feedback extremely control system, the buffer memory roller with the guide roll keep away from gradually, until cut and end the feed roll resume rotation, actuating mechanism drives again the buffer memory frame rotates to opposite direction, makes it reset gradually.
9. The apparatus for forming a water and oil repellent filter bag according to claim 8, wherein: the buffer device also comprises a limit protection mechanism of the rotation angle of the buffer frame, the limit protection mechanism comprises a signal receiver fixedly arranged on the fixing frame and a signal transmitter fixedly arranged on the buffer frame, when the buffer frame rotates, the signal transmitter is aligned with the signal receiver, and the control system controls the driving mechanism to drive the buffer frame to rotate and reset gradually.
10. The apparatus for forming a water and oil repellent filter bag according to claim 7, wherein: the auxiliary discharging device and the working platform are respectively positioned at two sides of the conveying belt for conveying the filter bags after cutting, and the auxiliary discharging device comprises a positioning frame, a deflector rod assembly and a driving mechanism, wherein the deflector rod assembly can be arranged on the positioning frame in a back-and-forth swinging manner along the width direction of the conveying belt, the driving mechanism is used for driving the deflector rod assembly to swing back and forth, the deflector rod assembly is positioned above the conveying belt, and when the deflector rod assembly swings, the deflector rod assembly can be used for conveying the filter bags after cutting on the conveying belt to the working platform.
CN202210297436.6A 2016-12-20 2016-12-20 Forming equipment of waterproof and grease proofing formula dust removal filter bag Active CN114602254B (en)

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CN202210297404.6A Active CN114602252B (en) 2016-12-20 2016-12-20 Bag body forming method of waterproof and oil-proof dedusting filter bag
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CN109908672A (en) * 2017-12-13 2019-06-21 山东盛华投资有限责任公司 A kind of method and special equipment making dedusting filtering bag bag bottom
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CN114602252A (en) 2022-06-10
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CN114602253A (en) 2022-06-10
CN114602253B (en) 2024-05-31
CN106731292B (en) 2022-04-05

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