CN111231336A - Preparation and processing technology of composite plastic woven bag - Google Patents

Preparation and processing technology of composite plastic woven bag Download PDF

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Publication number
CN111231336A
CN111231336A CN202010135597.6A CN202010135597A CN111231336A CN 111231336 A CN111231336 A CN 111231336A CN 202010135597 A CN202010135597 A CN 202010135597A CN 111231336 A CN111231336 A CN 111231336A
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CN
China
Prior art keywords
coating
cavity
mounting
guide
woven cloth
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Granted
Application number
CN202010135597.6A
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Chinese (zh)
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CN111231336B (en
Inventor
盛时永
徐志强
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Yunnan Yongfa Plastic Industry Co ltd
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Individual
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Priority to CN202010135597.6A priority Critical patent/CN111231336B/en
Publication of CN111231336A publication Critical patent/CN111231336A/en
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Publication of CN111231336B publication Critical patent/CN111231336B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/40—Applying molten plastics, e.g. hot melt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
    • B05C1/025—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles to flat rectangular articles, e.g. flat sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00—Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/87—Auxiliary operations or devices
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
    • D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/002—Panels; Plates; Sheets

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention belongs to the technical field of woven bag manufacturing, and particularly relates to a preparation and processing technology of a composite plastic woven bag, which is completed by matching a preparation processing machine of the composite plastic woven bag, and specifically comprises the following steps: step one, mounting woven cloth: separating the two pressure-bearing strips from the pressing strip, inserting two edges of the woven cloth between the pressure-bearing strips and the pressing strip, pressing the woven cloth, and tensioning the woven cloth; step two, resin coating: filling liquid resin into the coating cavity, and driving the coating cavity to perform uniform coating in a transverse reciprocating manner along the upper and lower surfaces of the woven cloth through a transverse moving mechanism; the longitudinal moving mechanism drives the coating cavity to intermittently and directionally move along the longitudinal direction; step three, attaching the surface layer: kraft paper and plastic films are attached to the upper and lower surfaces of the woven cloth. The invention improves the uniformity of the resin coating on the surface of the base material woven cloth, and further improves the composite effect between the base material woven cloth and the kraft paper and the plastic film.

Description

Preparation and processing technology of composite plastic woven bag
Technical Field
The invention belongs to the technical field of woven bag manufacturing, and particularly relates to a preparation and processing technology of a composite plastic woven bag.
Background
The woven bag is mainly used for packaging various articles and has wide industrial application. The plastic woven bag is made by using polypropylene resin as main material and through extrusion, stretching into flat filament, weaving and bag making. The composite plastic woven bag is made by taking plastic woven cloth as a base material and compounding. The composite plastic woven bag is generally divided into a two-in-one plastic woven bag and a three-in-one plastic woven bag, wherein the two-in-one plastic woven bag is obtained by coating resin on one side surface of base material woven cloth in a molten state, attaching a plastic film on the surface of the base material woven cloth and then cooling; the three-in-one plastic woven bag is obtained by coating molten resin films on the surfaces of two sides of base material woven cloth, and then respectively attaching kraft paper and plastic films to the surfaces of the two sides of the base material woven cloth and then cooling.
During the three-in-one composite plastic woven sack of prior art prepares the course of working, need weave cloth single face to the substrate and carry out the turn-over after coating melting resin, then again to another side coating melting resin, machining efficiency is very low like this, and the turn-over in-process can cause the substrate to weave gathering of cloth surface resin and flow, influences the homogeneity that melting resin coated, and then reduces the substrate and weave the compound effect between cloth and kraft paper and the plastic film. The prior art adopts the coating roller to coat on the woven cloth surface, on the one hand hardly guarantees that pressure and speed are invariable when the coating roller rolls, and the coating roller rolls in-process resin volume and is less and less, and both sides can produce when the coating roller rolls and converge the material, can't guarantee that the molten resin coating is at the homogeneity on woven cloth surface, also can reduce the compound effect between base material woven cloth and kraft paper and the plastic film.
Disclosure of Invention
Technical problem to be solved
The invention provides a preparation and processing technology of a composite plastic woven bag, aiming at solving the following problems in the preparation and processing process of the three-in-one composite plastic woven bag at present: the single surface of the base material woven cloth is required to be turned over after being coated with the molten resin, and then the other surface of the base material woven cloth is coated with the molten resin, so that the processing efficiency is very low, the resin on the surface of the base material woven cloth is gathered and flows in the turning process, the coating uniformity of the molten resin is influenced, and the composite effect between the base material woven cloth and kraft paper and a plastic film is reduced. Adopt the coating roller to coat on the woven cloth surface, hardly guarantee pressure and velocity constancy when the coating roller rolls on the one hand, the coating roller rolls in-process resin volume and is less and less, and both sides can produce when the coating roller rolls and converge the material, can't guarantee that the molten resin coating is at the homogeneity on woven cloth surface, also can reduce the base material and weave the compound effect between cloth and kraft paper and the plastic film.
(II) technical scheme
In order to solve the technical problems, the invention adopts the following technical scheme:
a composite plastic woven bag preparation and processing technology is completed by adopting a composite plastic woven bag preparation and processing machine in a matching mode, wherein the composite plastic woven bag preparation and processing machine comprises a horizontal bottom plate, and a first supporting plate and a second supporting plate which are parallel to each other are vertically arranged on the bottom plate. The first supporting plate is fixedly connected with the bottom plate, and the second supporting plate is connected with the bottom plate in a sliding mode and the sliding direction of the second supporting plate is perpendicular to the first supporting plate. The top both sides of first backup pad and second backup pad are upwards protruding formation support column, and the horizontal fixed mounting in top of support column has two parallel bearing strips, and the top of bearing strip is installed through the bolt and is compressed tightly the strip rather than being parallel to each other. The pressing strips are driven to move downwards through the bolts, so that the edge of the woven cloth is pressed, and the woven cloth is fixed.
The bottom plate upper surface is located the first backup pad and the second backup pad outside and offers the bar spout that is on a parallel with first backup pad and second backup pad, and sliding fit has vertical erection column on every bar spout. The bottom plate and each mounting column are provided with a longitudinal moving mechanism. The longitudinal moving mechanism comprises a driving motor, an incomplete gear and a rack. The driving motor is horizontally and fixedly installed on the outer side of the mounting column through a motor base, and an incomplete gear is fixedly installed at the end part of an output shaft of the driving motor. And a rack which is parallel to the strip-shaped sliding groove and is meshed with the incomplete gear is horizontally and fixedly arranged on the upper surface of the bottom plate. The incomplete gear is driven to rotate by the driving motor, and the incomplete gear and the rack are intermittently meshed, so that the mounting column, the first guide rod, the second guide rod, the coating cavity and the transverse moving mechanism are driven to intermittently and longitudinally move. A first guide rod and a second guide rod which are perpendicular to the strip-shaped sliding groove and parallel to each other are horizontally and fixedly arranged between the two mounting columns from top to bottom. Two coating cavities which are symmetrical up and down are matched on the first guide rod and the second guide rod in a sliding way. And a transverse moving mechanism is arranged on each coating cavity and between the two mounting columns.
The preparation and processing technology of the composite plastic woven bag comprises the following steps:
step one, mounting woven cloth: make two bearing strips and compress tightly the strip separation through rotating the bolt, will weave two limits that cloth is relative and fill in between the bearing strip and compress tightly the strip, the bolt that rotates backward again makes two bearing strips closely laminate with compressing tightly the strip, compresses tightly weaving the cloth. The woven cloth is tensioned by adjusting the position of the second support plate.
Step two, resin coating: liquid resin is filled into the coating cavity, and the coating cavity is driven by the transverse moving mechanism to carry out transverse reciprocating coating along the upper surface and the lower surface of the woven cloth. The longitudinal moving mechanism drives the mounting column, the first guide rod, the second guide rod and the coating cavity to integrally and intermittently move directionally along the longitudinal direction. When the transverse moving mechanism drives the coating cavity to reach the end parts of the first guide rod and the second guide rod, the transverse moving mechanism stops transverse movement, and the longitudinal moving mechanism drives the coating cavity to longitudinally move for a short distance and then stops longitudinal movement. The transverse moving mechanism drives the coating cavity to move reversely until the transverse moving mechanism drives the coating cavity to move reversely to reach the other ends of the first guide rod and the second guide rod. And repeating the steps until the upper surface and the lower surface of the woven cloth are completely coated with the liquid resin.
Step three, attaching the surface layer: the kraft paper and the plastic film are respectively attached to the upper surface and the lower surface of the woven cloth, then the bolt is rotated to separate the two pressure-bearing strips from the pressing strip, and the manufactured composite plastic woven bag is taken down.
As a preferred technical scheme, in the preparation processing machine for the composite plastic woven bag, a supporting rod vertical to a pressure-bearing strip is horizontally and fixedly installed on the side surface of the pressure-bearing strip, a first thread adjusting rod vertical to the pressure-bearing strip is horizontally and fixedly installed at the end part of the supporting rod, and the end part of a threaded rod of the first thread adjusting rod is rotatably installed on the side surface of the other pressure-bearing strip. After the woven cloth is installed, the length of the first thread adjusting rod is adjusted by rotating the first thread adjusting rod, so that the distance between the first supporting plate and the second supporting plate is adjusted until the woven cloth is tensioned.
As a preferable technical scheme, in the preparation processing machine for the composite plastic woven bag, the coating cavity comprises a first coating roller, a first shaft sleeve, a first mounting cavity and a storage tank. The bottom surface of the coating cavity is provided with an opening, the inside of the coating cavity is horizontally and rotatably provided with a first coating roller, two axes of the first coating roller are perpendicular to the first guide rod, the end part of the first coating roller is rotatably arranged in a first shaft sleeve, and the first shaft sleeve is vertically matched with a first mounting cavity arranged on the side wall of the coating cavity in a sliding manner. The side surface of the first installation cavity is communicated with the outside of the coating cavity, and a first wedge-shaped block corresponding to the first installation cavity is fixedly installed on the side surface of the installation column. And a storage tank filled with liquid resin is vertically and slidably mounted on the side wall of the coating cavity, and an outlet of the storage tank abuts against the surface of the first coating roller. The coating cavity is driven by the transverse moving mechanism to continuously adsorb liquid resin in the storage tank in the moving process along the first guide rod and the second guide rod, and the resin is coated on the surface of the woven cloth; after the coating cavity moves to the end parts of the first guide rod and the second guide rod, the first wedge-shaped block is inserted into the first mounting cavity and jacks up the first shaft sleeve and the first coating roller, so that the first coating roller is separated from the surface of the woven cloth in the following longitudinal movement process, sliding friction between the first coating roller and the surface of the woven cloth is avoided, and the uniformity of resin coating is improved. After the longitudinal moving mechanism drives the coating cavity to longitudinally move for a short distance, the coating cavity leaves the end parts of the first guide rod and the second guide rod under the action of the transverse moving mechanism, the first wedge-shaped block is separated from the first shaft sleeve, and the first coating roller is restored to be matched with the woven cloth in a rolling manner.
As a preferable technical solution of the present invention, the coating chamber further includes a second mounting chamber, a spring, a second bushing, and a second coating roller. The second installation cavity is provided with an opening on the bottom surface and is arranged on the side wall of the coating cavity. And a spring is vertically arranged at the top of the second mounting cavity, and the bottom of the spring is fixedly connected with a second shaft sleeve. A second coating roller with the axis parallel to the first guide rod is horizontally and rotatably arranged in the second shaft sleeve. The side surface of the second installation cavity is communicated with the outside of the coating cavity, and a second wedge-shaped block corresponding to the second installation cavity is installed on the side surface of the installation column. The coating cavity is driven by the transverse moving mechanism to move along the first guide rod and the second guide rod, and the second coating roller is located in the second mounting cavity and does not contact with the surface of the woven cloth. After the coating cavity moves to the end parts of the first guide rod and the second guide rod, the second wedge-shaped block is inserted into the second mounting cavity, the second shaft sleeve and the second coating roller are pushed out of the second mounting cavity downwards, and meanwhile, the spring is stretched, and the second coating roller is in contact with the surface of the woven cloth. In the process of driving the coating cavity to longitudinally move by the longitudinal moving mechanism, the second coating roller and the surface of the woven cloth generate rolling friction, so that redundant resin collected on two sides of the first coating roller is uniformly pushed, and the uniformity of resin coating is improved. After the longitudinal moving mechanism drives the coating cavity to longitudinally move for a short distance, the coating cavity leaves the end parts of the first guide rod and the second guide rod under the action of the transverse moving mechanism, the second wedge-shaped block is separated from the second shaft sleeve, and the second shaft sleeve drives the second coating roller to return to the second mounting cavity under the action of the elastic force of the spring.
As a preferable technical solution of the present invention, the first coating roller surface is provided with annular grooves around the axis of the first coating roller on both sides of the storage tank. In the process that the first coating roller rolls on the surface of the woven fabric, redundant resin is collected towards two sides and enters the annular groove, and the first coating roller absorbs the resin for the second time in the annular groove, so that the accumulation of the resin is avoided, and the coating uniformity is improved.
As a preferred technical scheme, in the preparation processing machine for the composite plastic woven bag, the transverse moving mechanism comprises a double-shaft reciprocating rotating motor, an installation plate, a guide groove, a limiting groove, a first supporting block, a second threaded adjusting rod, a connecting rod, a limiting block and a guide block. The double-shaft reciprocating rotating motor is arranged on the coating cavity, and an output shaft of the double-shaft reciprocating rotating motor is perpendicular to the first guide rod. Two mounting plates positioned at two sides of the guide rod are horizontally and fixedly mounted between the mounting columns, a plurality of groups of guide plates are vertically and slidably mounted on the mounting plates along the length direction of the mounting plates, and vertical guide grooves are formed between the adjacent guide plates. The upper edge of the guide plate is provided with a semicircular arc-shaped limiting groove. The two ends of the mounting plate are fixedly provided with first supporting blocks, and a second threaded adjusting rod parallel to the first guide rod is rotatably arranged between the outer side of the guide plate at the outermost end and the first supporting blocks. The end part of an output shaft of the double-shaft reciprocating rotating motor is fixedly provided with a connecting rod and a semicircular limiting block matched with the limiting groove, and the end part of the connecting rod is fixedly provided with a guide block matched with the guide groove. The positions of the guide plates on the mounting plate are adjusted by rotating the second threaded adjusting rod, so that the guide plates at the two ends are aligned with the two sides of the woven cloth. The connecting rod, the limiting block and the guide block are driven to rotate by the double-shaft reciprocating rotating motor, the coating cavity is driven to move at a constant speed along the direction of the first guide rod in the matching process of the guide block and the guide groove, and the surface of the woven cloth is coated with resin by the first coating roller; after the guide block breaks away from the guide way, stopper and spacing groove get into the cooperation state, and at this in-process, the coating cavity is in quiescent condition to make first coating roller can fully absorb the resin in the holding vessel, ensure that the used resin volume of next coating process is the same with the used resin volume of last coating process, improved the homogeneity of coating. After the coating cavity moves to the end part of the first guide rod, the double-shaft reciprocating rotating motor stops rotating, meanwhile, the longitudinal moving mechanism drives the coating cavity to longitudinally move for a short distance, and after the longitudinal movement of the coating cavity is finished, the double-shaft reciprocating rotating motor starts to reversely rotate to drive the coating cavity to move along the first guide rod until the coating cavity returns to the other end of the first guide rod.
As a preferable technical solution of the present invention, the lateral moving mechanism further includes a second supporting block and a third screw adjusting lever. The connecting rod is a telescopic structure with adjustable length. And second supporting blocks are arranged on the guide plates, and third threaded adjusting rods parallel to the guide rods are horizontally and rotatably arranged on the second supporting blocks of the two adjacent guide plates. Through adjusting the length of connecting rod to adjust the distance between the adjacent deflector through rotating third screw thread adjusting lever, realize under the unchangeable circumstances of biax reciprocating rotary motor rotational speed, the speed of adjustment coating cavity lateral shifting. When the resin to be coated is thin, the connecting bar is elongated and the distance between adjacent guide plates is adjusted to be increased, so that the transverse movement speed of the coating chamber is high, and the coating amount of the resin is reduced. When the resin to be coated is later, the connecting rod is shortened, and the distance between adjacent guide plates is reduced, so that the transverse moving speed of the coating cavity is slower, and the coating amount of the resin is increased. When the distance between the adjacent deflector changes, the length of second screw thread regulating lever also need be adjusted to corresponding to make the deflector at both ends align with weaving cloth both sides.
(III) advantageous effects
The invention has at least the following beneficial effects:
(1) the preparation and processing technology of the composite plastic woven bag provided by the invention is completed by matching the preparation and processing machinery of the composite plastic woven bag, can simultaneously coat the two sides of the base material woven cloth with the molten resin, improves the processing efficiency, avoids the resin on the surface of the base material woven cloth from converging and flowing in the turning process, improves the uniformity of resin coating, and further improves the composite effect between the base material woven cloth and kraft paper and plastic films.
(2) When the composite plastic woven bag preparation processing machine provided by the invention is used for coating the surface of the woven cloth, the distance between the surface of the woven cloth and the coating roller is kept constant, and the pressure is ensured to be unchanged when the coating roller rolls; meanwhile, the longitudinal moving mechanism and the transverse moving mechanism are matched with each other, so that the coating roller intermittently moves transversely and longitudinally at a constant speed, the uniformity of resin coating on the surface of the woven cloth is improved, the speed can be adjusted before work is started, and the thickness of the coated resin is adjusted according to actual production requirements.
(3) When the surface of the woven cloth is coated by adopting the coating device, on one hand, the collected materials can be collected in the rolling process of the annular grooves on the two sides of the first coating roller, and the collected materials are absorbed again by the first coating roller, so that the accumulation of the collected materials is avoided, and the uniformity of the resin coating on the surface of the woven cloth is improved; on the other hand, the first coating roller moves upwards when moving longitudinally, so that sliding friction with the surface of the woven cloth is avoided, the second coating roller moves downwards when moving longitudinally, rolling friction is generated between the second coating roller and the surface of the woven cloth, collected materials which cannot be completely absorbed by the first coating roller are pushed evenly, the uniformity of resin coating is further improved, and the composite effect between the base material woven cloth and the kraft paper and the plastic film is further improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a diagram illustrating the steps of a manufacturing process of a composite plastic woven bag according to an embodiment of the present invention;
FIG. 2 is a schematic view of a first three-dimensional structure of a composite plastic woven bag manufacturing machine in an embodiment of the invention;
FIG. 3 is a schematic diagram of a second three-dimensional structure of a composite plastic woven bag manufacturing machine in the embodiment of the invention;
FIG. 4 is an enlarged schematic view of the processing machine A for manufacturing the composite plastic woven bag according to the embodiment of the invention;
FIG. 5 is an enlarged schematic view of the manufacturing process of the composite plastic woven bag at the position B in the embodiment of the invention;
FIG. 6 is a schematic perspective view of a coating chamber of a composite plastic woven bag manufacturing processing machine in an embodiment of the invention;
FIG. 7 is a partial cross-sectional view of a coating chamber of a composite plastic woven bag manufacturing processing machine in an embodiment of the invention;
FIG. 8 is an enlarged schematic view of a manufacturing machine C for composite plastic woven bags in the embodiment of the invention.
In the figure: 1-bottom plate, 2-first support plate, 3-second support plate, 4-support column, 5-pressure-bearing strip, 6-pressing strip, 7-strip-shaped sliding groove, 8-mounting column, 9-longitudinal moving mechanism, 91-driving motor, 92-incomplete gear, 93-rack, 10-first guide rod, 11-second guide rod, 12-coating cavity, 121-first coating roller, 122-first shaft sleeve, 123-first mounting cavity, 124-storage tank, 125-second mounting cavity, 126-spring, 127-second shaft sleeve, 128-second coating roller, 13-transverse moving mechanism, 131-double-shaft reciprocating rotating motor, 132-mounting plate, 133-guide plate, 134-guide groove, 135-limiting groove, 136-a first supporting block, 137-a second threaded adjusting rod, 138-a connecting rod, 139-a limiting block, 1310-a guide block, 1311-a second supporting block, 1312-a third threaded adjusting rod, 14-a supporting rod, 15-a first threaded adjusting rod, 16-a first wedge block, 17-a second wedge block and 18-an annular groove.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 2 to 8, the present embodiment provides a manufacturing and processing machine for composite plastic woven bags, which includes a horizontal bottom plate 1, and a first supporting plate 2 and a second supporting plate 3 which are vertically installed on the bottom plate 1 and are parallel to each other. First backup pad 2 and bottom plate 1 fixed connection, second backup pad 3 and bottom plate 1 sliding connection and the direction of sliding are perpendicular to first backup pad 2. The top both sides of first backup pad 2 and second backup pad 3 are upwards protruding formation support column 4, and the horizontal fixed mounting in top of support column 4 has two parallel bearing strip 5, and the top of bearing strip 5 is installed through the bolt and is pressed strip 6 rather than being parallel to each other. The pressing strip 6 is driven to move downwards through the bolt, so that the edge of the woven cloth is pressed, and the woven cloth is fixed.
The upper surface of the bottom plate 1 is positioned outside the first supporting plate 2 and the second supporting plate 3 and is provided with a strip-shaped sliding groove 7 parallel to the first supporting plate 2 and the second supporting plate 3, and a vertical mounting column 8 is arranged on each strip-shaped sliding groove 7 in a sliding fit manner. A longitudinal moving mechanism 9 is mounted on the base plate 1 and each mounting post 8. The longitudinal moving mechanism 9 includes a drive motor 91, a partial gear 92, and a rack 93. The driving motor 91 is horizontally and fixedly installed on the outer side of the mounting column 8 through a motor base, and an incomplete gear 92 is fixedly installed at the end part of an output shaft of the driving motor 91. The upper surface of the bottom plate 1 is horizontally and fixedly provided with a rack 93 which is parallel to the strip-shaped sliding chute 7 and is meshed with the incomplete gear 92. The incomplete gear 92 is driven to rotate by the driving motor 91, and the incomplete gear 92 and the rack 93 are intermittently meshed, so that the mounting column 8, the first guide rod 10, the second guide rod 11, the coating cavity 12 and the transverse moving mechanism 13 are driven to intermittently and longitudinally move. A first guide rod 10 and a second guide rod 11 which are perpendicular to the strip-shaped sliding groove 7 and are parallel to each other are horizontally and fixedly arranged between the two mounting columns 8 from top to bottom. Two coating cavities 12 which are symmetrical up and down are matched on the first guide rod 10 and the second guide rod 11 in a sliding way. A lateral movement mechanism 13 is provided on each coating chamber 12 and between the two mounting posts 8.
In this embodiment, in the processing machine for manufacturing a composite plastic woven bag, a support rod 14 perpendicular to the pressure-bearing strip 5 is horizontally and fixedly installed on a side surface of the pressure-bearing strip 5, a first thread adjusting rod 15 perpendicular to the pressure-bearing strip 5 is horizontally and fixedly installed on an end portion of the support rod 14, and an end portion of a threaded rod of the first thread adjusting rod 15 is rotatably installed on a side surface of another pressure-bearing strip 5. After the woven cloth is installed, the length of the first thread adjusting rod 15 is adjusted by rotating the first thread adjusting rod 15, so that the distance between the first supporting plate 2 and the second supporting plate 3 is adjusted until the woven cloth is tensioned.
In this embodiment, in the composite plastic woven bag manufacturing and processing machine, the coating chamber 12 includes a first coating roller 121, a first shaft sleeve 122, a first mounting chamber 123 and a storage tank 124. The bottom surface of the coating cavity 12 is opened, and two first coating rollers 121 with axes perpendicular to the first guide rod 10 are horizontally and rotatably mounted inside the coating cavity 12, the end parts of the first coating rollers 121 are rotatably mounted in a first shaft sleeve 122, and the first shaft sleeve 122 is vertically and slidably fitted in a first mounting cavity 123 formed in the side wall of the coating cavity 12. The side surface of the first mounting cavity 123 is communicated with the outside of the coating cavity 12, and the side surface of the mounting column 8 is fixedly provided with a first wedge block 16 corresponding to the first mounting cavity 123. A storage tank 124 filled with liquid resin is vertically slidably mounted on the side wall of the coating chamber 12, and an outlet of the storage tank 124 abuts against the surface of the first coating roller 121. In the process that the coating cavity 12 is driven by the transverse moving mechanism 13 to move along the first guide rod 10 and the second guide rod 11, liquid resin in the storage tank 124 is continuously adsorbed, and the resin is coated on the surface of the woven cloth; after the coating cavity 12 moves to the end parts of the first guide rod 10 and the second guide rod 11, the first wedge-shaped block 16 is inserted into the first mounting cavity 123 and jacks up the first shaft sleeve 122 and the first coating roller 121, so that the first coating roller 121 is separated from the surface of the woven cloth in the following longitudinal movement process, the sliding friction with the surface of the woven cloth is avoided, and the uniformity of resin coating is improved. After the longitudinal moving mechanism 9 drives the coating cavity 12 to move longitudinally for a short distance, the coating cavity 12 leaves the end parts of the first guide rod 10 and the second guide rod 11 under the action of the transverse moving mechanism 13, the first wedge-shaped block 16 is separated from the first shaft sleeve 122, and the first coating roller 121 is restored to be matched with the woven cloth in a rolling manner.
In this embodiment, the coating chamber 12 further includes a second mounting chamber 125, a spring 126, a second bushing 127, and a second coating roller 128. The second mounting cavity is open at the bottom and 125 at the bottom and opens onto the side wall of the coating cavity 12. The spring 126 is vertically installed on the top of the second installation cavity 125, and the bottom of the spring 126 is fixedly connected with the second shaft sleeve 127. A second coating roller 128 having an axis parallel to the first guide bar 10 is horizontally rotatably installed in the second boss 127. The side surface of the second installation cavity 125 is communicated with the outside of the coating cavity 12, and the side surface of the installation column 8 is provided with a second wedge-shaped block 17 corresponding to the second installation cavity 125. During the movement of the coating chamber 12 along the first guide bar 10 and the second guide bar 11 by the lateral moving mechanism 13, the second coating roller 128 is located inside the second installation chamber 125 and does not contact with the surface of the woven cloth. After the coating chamber 12 is moved to the end of the first guide bar 10 and the second guide bar 11, the second wedge 17 is inserted into the second installation cavity 125 and pushes the second bushing 127 and the second coating roller 128 downward out of the second installation cavity 125 while the spring 126 is stretched and the second coating roller 128 comes into contact with the surface of the woven cloth. In the process of driving the coating cavity 12 to move longitudinally by the longitudinal moving mechanism 9, the second coating roller 128 generates rolling friction with the surface of the woven cloth, so that the redundant collected resin on the two sides of the first coating roller 121 is uniformly pushed, and the uniformity of resin coating is improved. After the longitudinal moving mechanism 9 drives the coating cavity 12 to move longitudinally for a short distance, the coating cavity 12 is separated from the ends of the first guide rod 10 and the second guide rod 11 under the action of the transverse moving mechanism 13, the second wedge block 17 is separated from the second shaft sleeve 127, and the second shaft sleeve 127 drives the second coating roller 128 to return to the second mounting cavity 125 under the action of the elastic force of the spring 126.
In the embodiment, the surface of the first coating roller 121 is provided with annular grooves 18 around the axis of the first coating roller 121 on both sides of the storage tank 124. In the process that the first coating roller 121 rolls on the surface of the woven fabric, redundant resin is collected towards two sides and enters the annular groove 18, and the first coating roller 121 absorbs the resin for the second time in the annular groove 18, so that the accumulation of the resin is avoided, and the coating uniformity is improved.
In this embodiment, in the composite plastic woven bag manufacturing and processing machine, the transverse moving mechanism 13 includes a double-shaft reciprocating rotary motor 131, a mounting plate 132, a guide plate 133, a guide groove 134, a limiting groove 135, a first supporting block 136, a second threaded adjusting rod 137, a connecting rod 138, a limiting block 139 and a guide block 1310. A double-shaft reciprocating rotary motor 131 is installed on the coating chamber 12, and an output shaft of the double-shaft reciprocating rotary motor 131 is perpendicular to the first guide bar 10. Two mounting plates 132 positioned at two sides of the guide rod 10 are horizontally and fixedly mounted between the mounting columns 8, a plurality of groups of guide plates 133 are vertically and slidably mounted on the mounting plates 132 along the length direction of the mounting plates, and vertical guide grooves 134 are formed between adjacent guide plates 133. The upper edge of the guide plate 133 is provided with a semicircular arc-shaped limit groove 135. A first supporting block 136 is fixedly installed at both ends of the mounting plate 132, and a second screw adjusting bar 137 parallel to the first guide bar 10 is rotatably installed between the outer side of the outermost guide plate 133 and the first supporting block 136. The end of the output shaft of the dual-shaft reciprocating rotary motor 131 is fixedly provided with a connecting rod 138 and a semicircular limiting block 139 which is matched with the limiting groove 135, and the end of the connecting rod 138 is fixedly provided with a guide block 1310 which is matched with the guide groove 134. The position of the guide plates 133 on the mounting plate 132 is adjusted by rotating the second screw adjustment bars 137 such that the guide plates 133 at both ends are aligned with both sides of the woven cloth. The connecting rod 138, the limiting block 139 and the guide block 1310 are driven to rotate by the double-shaft reciprocating rotating motor 131, the coating cavity 12 is driven to move at a constant speed along the direction of the first guide rod 10 in the matching process of the guide block 1310 and the guide groove 134, and the first coating roller 121 coats resin on the surface of the woven cloth; after the guide block 1310 is separated from the guide groove 134, the limiting block 139 and the limiting groove 135 enter a matching state, and in the process, the coating cavity 12 is in a static state, so that the first coating roller 121 can fully absorb the resin in the storage tank 124, the resin amount used in the next coating process is ensured to be the same as the resin amount used in the previous coating process, and the coating uniformity is improved. After the coating cavity 12 moves to the end of the first guide rod 10, the dual-axis reciprocating rotary motor 131 stops rotating, meanwhile, the longitudinal moving mechanism 9 drives the coating cavity 12 to longitudinally move for a short distance, and after the longitudinal movement of the coating cavity 12 is finished, the dual-axis reciprocating rotary motor 131 starts to reversely rotate to drive the coating cavity 12 to move along the first guide rod 10 until the coating cavity 12 returns to the other end of the first guide rod 10.
In this embodiment, the lateral moving mechanism 13 further includes a second support block 1311 and a third screw adjustment rod 1312. The connecting rod 138 is a length adjustable telescopic structure. The guide plates 133 are provided with second supporting blocks 1311, and the second supporting blocks 1311 of two adjacent guide plates 133 are horizontally and rotatably provided with third screw adjusting rods 1312 parallel to the guide rods 10. The adjustment of the speed of the transverse movement of the coating chamber 12 is achieved without changing the rotation speed of the dual-axis reciprocating rotary motor 131 by adjusting the length of the connecting rod 138 and adjusting the distance between the adjacent guide plates 133 by rotating the third threaded adjusting rod 1312. When the resin to be coated is thin, the connecting bar 138 is elongated and the distance between the adjacent guide plates 133 is adjusted to be increased, so that the coating chamber 12 is moved laterally at a high speed, reducing the amount of the resin to be coated. When the resin to be coated is later, the connecting bar 138 is shortened and the distance between the adjacent guide plates 133 is adjusted to be reduced, so that the coating chamber 12 is moved laterally at a slower speed, increasing the coating amount of the resin. When the distance between the adjacent guide plates 133 is changed, the length of the second screw adjustment bar 137 is also adjusted correspondingly so that the guide plates 133 at both ends are aligned with both sides of the woven cloth.
As shown in fig. 1, this embodiment further provides a process for preparing and processing a composite plastic woven bag, which is completed by matching the above-mentioned machines, and specifically includes the following steps:
step one, mounting woven cloth: make two bearing strips 5 and compress tightly the separation of strip 6 through rotating the bolt, will weave two limits that cloth is relative and fill in between bearing strip 5 and compress tightly strip 6, the bolt is made two bearing strips 5 and compress tightly the inseparable laminating of strip 6 again in the antiport, compresses tightly weaving cloth. The woven cloth is tensioned by adjusting the position of the second support plate 3.
Step two, resin coating: liquid resin is filled into the coating cavity 12, and the coating cavity 12 is driven by the transverse moving mechanism 13 to carry out transverse reciprocating coating along the upper surface and the lower surface of the woven cloth. The longitudinal moving mechanism 9 drives the mounting post 8, the first guide rod 10, the second guide rod 11 and the coating cavity 12 to perform intermittent directional movement integrally along the longitudinal direction. When the transverse moving mechanism 13 drives the coating cavity 12 to reach the end parts of the first guide rod 10 and the second guide rod 11, the transverse moving mechanism stops transverse moving, and the longitudinal moving mechanism 9 drives the coating cavity 12 to longitudinally move for a short distance and then stops longitudinal moving; the transverse moving mechanism 13 drives the coating cavity 12 to move reversely again until the transverse moving mechanism 13 drives the coating cavity 12 to move reversely to reach the other ends of the first guide rod 10 and the second guide rod 11. And repeating the steps until the upper surface and the lower surface of the woven cloth are completely coated with the liquid resin.
Step three, attaching the surface layer: the kraft paper and the plastic film are respectively attached to the upper surface and the lower surface of the woven cloth, then the bolt is rotated to separate the two pressure-bearing strips 5 from the pressing strip 6, and the manufactured composite plastic woven bag is taken down.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A preparation and processing technology of a composite plastic woven bag is completed by matching a preparation and processing machine of the composite plastic woven bag, and is characterized in that: the composite plastic woven bag preparation processing machine comprises a horizontal bottom plate (1), wherein a first supporting plate (2) and a second supporting plate (3) which are parallel to each other are vertically arranged on the bottom plate (1); the first supporting plate (2) is fixedly connected with the bottom plate (1), the second supporting plate (3) is connected with the bottom plate (1) in a sliding mode, and the sliding direction of the second supporting plate is perpendicular to the first supporting plate (2); two sides of the top of the first supporting plate (2) and the top of the second supporting plate (3) are upwards protruded to form supporting columns (4), two parallel bearing strips (5) are horizontally and fixedly installed at the tops of the supporting columns (4), and pressing strips (6) which are parallel to the bearing strips (5) are installed above the bearing strips (5) through bolts;
the upper surface of the bottom plate (1) is positioned at the outer sides of the first supporting plate (2) and the second supporting plate (3) and is provided with strip-shaped sliding grooves (7) parallel to the first supporting plate (2) and the second supporting plate (3), and each strip-shaped sliding groove (7) is in sliding fit with a vertical mounting column (8); a longitudinal moving mechanism (9) is arranged on the bottom plate (1) and each mounting column (8); the longitudinal moving mechanism (9) comprises a driving motor (91), an incomplete gear (92) and a rack (93); the driving motor (91) is horizontally and fixedly arranged on the outer side of the mounting column (8) through a motor base, and an incomplete gear (92) is fixedly arranged at the end part of an output shaft of the driving motor (91); a rack (93) which is parallel to the strip-shaped sliding groove (7) and is meshed with the incomplete gear (92) is horizontally and fixedly arranged on the upper surface of the bottom plate (1); a first guide rod (10) and a second guide rod (11) which are vertical to the strip-shaped sliding groove (7) and are parallel to each other are horizontally and fixedly arranged between the two mounting columns (8) from top to bottom; two coating cavities (12) which are symmetrical up and down are matched on the first guide rod (10) and the second guide rod (11) in a sliding way; a transverse moving mechanism (13) is arranged on each coating cavity (12) and between the two mounting columns (8);
the preparation and processing technology of the composite plastic woven bag comprises the following steps:
step one, mounting woven cloth: the two pressure-bearing strips (5) and the pressing strip (6) are separated by rotating the bolt, two opposite edges of the woven cloth are plugged between the pressure-bearing strips (5) and the pressing strip (6), and the bolt is rotated reversely to enable the two pressure-bearing strips (5) and the pressing strip (6) to be tightly attached to compress the woven cloth; tensioning the woven cloth by adjusting the position of the second support plate (3);
step two, resin coating: filling liquid resin into the coating cavity (12), and driving the coating cavity (12) to carry out transverse reciprocating coating along the upper surface and the lower surface of the woven cloth through a transverse moving mechanism (13); the longitudinal moving mechanism (9) drives the mounting column (8), the first guide rod (10), the second guide rod (11) and the coating cavity (12) to integrally and intermittently and directionally move along the longitudinal direction until the upper surface and the lower surface of the woven cloth are completely coated with liquid resin;
step three, attaching the surface layer: the kraft paper and the plastic film are respectively attached to the upper surface and the lower surface of the woven cloth, then the bolt is rotated to separate the two pressure-bearing strips (5) and the pressing strip (6), and the manufactured composite plastic woven bag is taken down.
2. The preparation and processing technology of the composite plastic woven bag according to claim 1, characterized in that: in the composite plastic woven bag preparation processing machine, a supporting rod (14) vertical to the supporting strip (5) is horizontally and fixedly installed on the side face of the supporting strip (5), a first thread adjusting rod (15) vertical to the supporting strip (5) is horizontally and fixedly installed at the end part of the supporting rod (14), and the end part of a threaded rod of the first thread adjusting rod (15) is rotatably installed on the side face of the other supporting strip (5).
3. The preparation and processing technology of the composite plastic woven bag according to claim 1, characterized in that: in the preparation processing machine for the composite plastic woven bag, the coating cavity (12) comprises a first coating roller (121), a first shaft sleeve (122), a first mounting cavity (123) and a storage tank (124); the bottom surface of the coating cavity (12) is opened, two first coating rollers (121) with axes perpendicular to the first guide rod (10) are horizontally and rotatably mounted in the coating cavity, the end parts of the first coating rollers (121) are rotatably mounted in first shaft sleeves (122), and the first shaft sleeves (122) are vertically and slidably matched in first mounting cavities (123) formed in the side walls of the coating cavity (12); the side surface of the first mounting cavity (123) is communicated with the outside of the coating cavity (12), and a first wedge-shaped block (16) corresponding to the first mounting cavity (123) in position is fixedly mounted on the side surface of the mounting column (8); a storage tank (124) filled with liquid resin is vertically and slidably mounted on the side wall of the coating cavity (12), and an outlet of the storage tank (124) is abutted against the surface of the first coating roller (121).
4. The preparation and processing technology of the composite plastic woven bag according to claim 3, characterized in that: the coating cavity (12) further comprises a second mounting cavity (125), a spring (126), a second shaft sleeve (127) and a second coating roller (128); the bottom surface of the second mounting cavity is opened, and (125) the bottom surface is opened and is arranged on the side wall of the coating cavity (12); a spring (126) is vertically arranged at the top of the second mounting cavity (125), and the bottom of the spring (126) is fixedly connected with a second shaft sleeve (127); a second coating roller (128) with the axis parallel to the first guide rod (10) is horizontally and rotatably arranged in the second shaft sleeve (127); the side surface of the second installation cavity (125) is communicated with the outside of the coating cavity (12), and a second wedge-shaped block (17) corresponding to the second installation cavity (125) is installed on the side surface of the installation column (8).
5. The preparation and processing technology of the composite plastic woven bag according to claim 3, characterized in that: the surface of the first coating roller (121) is positioned on two sides of the storage tank (124) and is provided with annular grooves (18) surrounding the axis of the first coating roller (121).
6. The preparation and processing technology of the composite plastic woven bag according to claim 1, characterized in that: in the preparation and processing machine for the composite plastic woven bag, the transverse moving mechanism (13) comprises a double-shaft reciprocating rotating motor (131), a mounting plate (132), a guide plate (133), a guide groove (134), a limiting groove (135), a first supporting block (136), a second threaded adjusting rod (137), a connecting rod (138), a limiting block (139) and a guide block (1310); a double-shaft reciprocating rotating motor (131) is arranged on the coating cavity (12), and an output shaft of the double-shaft reciprocating rotating motor (131) is vertical to the first guide rod (10); two mounting plates (132) positioned at two sides of the guide rod (10) are horizontally and fixedly mounted between the mounting columns (8), a plurality of groups of guide plates (133) are vertically and slidably mounted on the mounting plates (132) along the length direction of the mounting plates, and vertical guide grooves (134) are formed between adjacent guide plates (133); a semicircular arc-shaped limiting groove (135) is formed in the upper edge of the guide plate (133); a first supporting block (136) is fixedly arranged at two ends of the mounting plate (132), and a second threaded adjusting rod (137) parallel to the first guide rod (10) is rotatably arranged between the outer side of the outermost guide plate (133) and the first supporting block (136); the end part of an output shaft of the double-shaft reciprocating rotating motor (131) is fixedly provided with a connecting rod (138) and a semicircular limiting block (139) matched with the limiting groove (135), and the end part of the connecting rod (138) is fixedly provided with a guide block (1310) matched with the guide groove (134).
7. The preparation and processing technology of the composite plastic woven bag according to claim 6, characterized in that: the transverse moving mechanism (13) further comprises a second supporting block (1311) and a third threaded adjusting rod (1312); the connecting rod (138) is a telescopic structure with adjustable length; and second supporting blocks (1311) are installed on the guide plates (133), and third threaded adjusting rods (1312) parallel to the guide rods (10) are horizontally and rotatably installed on the second supporting blocks (1311) of two adjacent guide plates (133).
CN202010135597.6A 2020-03-02 2020-03-02 Preparation and processing technology of composite plastic woven bag Active CN111231336B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112549653A (en) * 2020-12-12 2021-03-26 孙斐 Method for manufacturing composite woven bag
CN113184546A (en) * 2021-03-25 2021-07-30 刘超 Diamond tool production raw material wavy-pattern stacking system and stacking method thereof

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Publication number Priority date Publication date Assignee Title
FR2537461B2 (en) * 1980-07-17 1987-05-22 Dassault Avions MACHINE FOR METALLIZING AT LEAST PARTIALLY A FACE OF A MATERIAL IN FLEXIBLE STRIP
JP2000246162A (en) * 1999-02-26 2000-09-12 Matsushita Electric Works Ltd Device for removing deposit
CN107282367A (en) * 2017-08-06 2017-10-24 张梦娟 Automate application device
CN110420770A (en) * 2019-08-29 2019-11-08 孙斐 A kind of three-in-one woven cloth coating system and its method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537461B2 (en) * 1980-07-17 1987-05-22 Dassault Avions MACHINE FOR METALLIZING AT LEAST PARTIALLY A FACE OF A MATERIAL IN FLEXIBLE STRIP
JP2000246162A (en) * 1999-02-26 2000-09-12 Matsushita Electric Works Ltd Device for removing deposit
CN107282367A (en) * 2017-08-06 2017-10-24 张梦娟 Automate application device
CN110420770A (en) * 2019-08-29 2019-11-08 孙斐 A kind of three-in-one woven cloth coating system and its method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112549653A (en) * 2020-12-12 2021-03-26 孙斐 Method for manufacturing composite woven bag
CN112549653B (en) * 2020-12-12 2022-07-22 重庆斯托赛克塑业有限责任公司 Method for manufacturing composite woven bag
CN113184546A (en) * 2021-03-25 2021-07-30 刘超 Diamond tool production raw material wavy-pattern stacking system and stacking method thereof

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