CN109294028B - Manufacturing process of biodegradable express bag - Google Patents

Manufacturing process of biodegradable express bag Download PDF

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Publication number
CN109294028B
CN109294028B CN201810901742.XA CN201810901742A CN109294028B CN 109294028 B CN109294028 B CN 109294028B CN 201810901742 A CN201810901742 A CN 201810901742A CN 109294028 B CN109294028 B CN 109294028B
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auxiliary
rod
guide
stirring
fixed
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CN201810901742.XA
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CN109294028A (en
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宋剑良
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Zhuhai Dingsheng Adhesive Plastic Environmental Protection Technology Co ltd
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Tongxiang Kairui Packaging Material Co ltd
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Priority to CN201810901742.XA priority Critical patent/CN109294028B/en
Priority to CN202011222568.XA priority patent/CN112480510B/en
Publication of CN109294028A publication Critical patent/CN109294028A/en
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Publication of CN109294028B publication Critical patent/CN109294028B/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/20—Cutting sheets or blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/812—Applying patches, strips or strings on sheets or webs
    • B31B70/8123—Applying strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/88—Printing; Embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • B65D65/466—Bio- or photodegradable packaging materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2497/00—Characterised by the use of lignin-containing materials
    • C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention provides a manufacturing process of a biodegradable express bag. The express bag solves the technical problems that the existing express bag does not have a corresponding manufacturing process, and cannot be manufactured in batches and stably. The manufacturing process of the biodegradable express bag comprises the following steps: a. preparing materials; b. film blowing; c. color printing; d. slitting; e. making bags; f. carrying out gum application; g. and (6) packaging. The invention has the advantage of reliable manufacture.

Description

Manufacturing process of biodegradable express bag
Technical Field
The invention belongs to the technical field of express bags, and relates to a manufacturing process of a biodegradable express bag.
Background
Express bags are bags for packaging documents, receipts, data, goods and the like in the express industry, and are also called express bags, mailing bags and express packaging bags. At present, the plastic express bags made of polyethylene materials are used more frequently, and the plastic express bags have the characteristics of low cost, convenience in use and good waterproof performance.
Through retrieval, as the chinese patent document discloses an express bag [ application number: 201520123986.1, respectively; publication No.: CN 204507617U ]. The express bag is characterized by comprising a bag body, wherein the bag body is provided with a bag opening, a bonding part is arranged at the bag opening, the bonding part comprises more than two adhesive tapes arranged on the inner side of the bag body side by side, and anti-sticking films are arranged on the adhesive tapes.
Although the express bag disclosed in the patent is low in cost, the express bag does not have a corresponding manufacturing process, and cannot be manufactured in batch and stably, so that a manufacturing process of a biodegradable express bag is necessary.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a manufacturing process of a biodegradable express bag, which has the characteristic of reliable manufacturing.
The purpose of the invention can be realized by the following technical scheme: a manufacturing process of a biodegradable express bag is characterized by comprising the following steps:
a. preparing materials: weighing 60-80 parts of polyethylene, 15-25 parts of starch, 8-12 parts of plasticizer, 10-20 parts of calcium carbonate, 3-9 parts of wood fiber powder, 0.3-0.8 part of light stabilizer and 0.4-1.2 parts of antioxidant according to parts by weight, putting into a stirrer, and stirring for 30-50min to prepare a mixture;
b. film blowing: b, adding the mixture obtained in the step a into a film blowing machine for film blowing treatment, extruding from a die head, and cooling to prepare a plastic film;
c. color printing: b, setting a pattern according to requirements, and printing the pattern on the plastic film obtained in the step b by using a color press;
d. slitting: manufacturing plastic films with different specifications and sizes by a splitting machine;
e. bag making: d, cutting and heat-sealing the plastic film obtained in the step d by using a bag making machine to obtain a semi-finished biodegradable express bag;
f. back gluing: d, pasting an adhesive tape to the opening of the biodegradable express bag obtained in the step e to obtain a finished biodegradable express bag;
g. packaging: and f, packaging and boxing the biodegradable express bags obtained in the step f through a packaging machine.
By adopting the process, the express bag can be manufactured by the steps of material preparation, film blowing, color printing, slitting, bag making, gum application, packaging and the like, and the normal use and the reliable manufacture of the manufactured express bag can be ensured on the premise of ensuring the excellent biodegradability of the express bag through the synergistic effect among the raw materials.
The starch in the step a is corn starch or potato starch.
The plasticizer in the step a is glycerol.
And the cooling treatment in the step b uses cold air with the temperature of 10-20 ℃.
The temperature of the blown film in the step b is set to 224-236 ℃.
The printing speed in the step c is 5-8m/min, and the ink consumption is 15-25g/m2。
The heat sealing temperature in step e is 150-165 ℃.
The stirrer in the step a comprises a base, a stirring barrel is fixed on the base, a feeding hole is formed in the upper portion of the stirring barrel, a first electromagnetic valve is arranged at the feeding hole, a discharging hole is formed in the lower portion of the stirring barrel, a second electromagnetic valve is arranged at the discharging hole, an auxiliary rod is vertically arranged in the stirring barrel, a positioning ring is sleeved on the auxiliary rod and connected with a moving structure capable of driving the positioning ring to move up and down, the positioning ring is connected with a connecting frame, a conveying barrel is arranged on the connecting frame and sleeved on the auxiliary rod, the conveying barrel is further connected with a driving structure capable of enabling the conveying barrel to rotate, a spiral blade is fixed in the conveying barrel, a conveying channel is formed between the spiral blade and the auxiliary rod, a plurality of stirring blades are fixed outside the conveying barrel, a plurality of guide holes are formed in the upper portion of the conveying barrel, and.
The principle of the stirrer is as follows: raw materials are added into a stirring barrel through a feed inlet, a conveying barrel is driven to rotate forwards through a driving structure, the conveying barrel drives a spiral blade to rotate forwards, the spiral blade enables the raw materials at the lower end of the conveying barrel to be output from the upper end of the conveying barrel from bottom to top, the conveying barrel also drives a stirring blade to rotate, the stirring blade stirs the raw materials, or the driving structure drives the conveying barrel to rotate backwards, the conveying barrel drives the spiral blade to rotate backwards, the spiral blade enables the raw materials at the upper end of the conveying barrel to be output from the lower end of the conveying barrel from top to bottom, the conveying barrel also drives the stirring blade to rotate, the stirring blade stirs the raw materials, meanwhile, a positioning ring is driven by a moving structure to move up and down, the positioning ring drives a connecting frame to move up and down, the conveying barrel can convey the raw materials at the upper part, the middle part, the lower part and, the stirring effect is good.
The moving structure comprises a first stand column, a first push rod motor, a guide rod, a guide sleeve, a lifting seat and a first vibration motor, wherein the first stand column is fixed on the stirring barrel, the guide rod is vertically fixed on the first stand column, the guide sleeve is arranged on the guide rod, the first push rod motor is fixed on the first stand column, a push rod of the first push rod motor is vertically downward, the end part of the push rod of the first push rod motor is connected with the guide sleeve, a positioning ring is connected with the lifting seat through a connecting rod, the lifting seat is connected with the guide sleeve through a spring, and the first vibration motor is fixed on.
When the conveying cylinder needs to move up and down, a push rod of a push rod motor I is controlled to move up and down, the push rod of the push rod motor I drives a guide sleeve to move up and down along a guide rod, the guide sleeve drives a lifting seat to move up and down through a spring, the lifting seat drives a positioning ring to move up and down, and the positioning ring drives the conveying cylinder to move up and down, so that the conveying cylinder can move up and down; the lifting seat is connected with the guide sleeve through the spring, and the first vibration motor is fixed on the lifting seat, so that the first vibration motor can enable the conveying cylinder to shake up and down.
And limiting blocks are also fixed at two ends of the guide rod.
By adopting the structure, the guide sleeve can be limited when moving on the guide rod through the limiting block, so that the guide sleeve can move in a normal working range.
The driving structure comprises a driving motor, an annular guide rail, a sliding block, a gear and a gear ring, the guide rail is fixed on a connecting frame, the sliding block is arranged on the guide rail, the sliding block is connected with the conveying cylinder, the gear ring is fixed on the connecting frame, the driving motor is fixed on the sliding block, an output shaft of the driving motor is vertically upward, the gear is fixed at the end part of the output shaft of the driving motor, and the gear is meshed with the gear ring.
When the conveying cylinder needs to be rotated, the output shaft of the driving motor is controlled to rotate, the output shaft of the driving motor drives the gear to rotate, the gear is gradually meshed with the gear ring, the sliding block is enabled to rotate along the guide rail, and the sliding block drives the conveying cylinder to rotate.
Still be provided with auxiliary structure on the agitator, auxiliary structure includes push rod motor two and supplementary ring, push rod motor two passes through the bracing piece to be fixed on the agitator, push rod motor two's push rod is vertical downwards, push rod motor two's push rod tip and lifter link to each other, lifter and supplementary ring link to each other, supplementary ring is located the agitator, and supplementary ring is close to the inner wall of agitator, supplementary ring is from top to bottom including supplementary portion one, supplementary portion two and supplementary portion three, the cross-section of supplementary portion one is the wave, the cross-section of supplementary portion two is the arc, and the punishment in advance hole still has on the supplementary portion two, the cross-section of supplementary portion three is the zigzag.
Structure more than adopting, when a transport cylinder drives stirring vane and rotates, the push rod of control push rod motor two reciprocates, push rod motor two's push rod drives the auxiliary ring and reciprocates, with auxiliary ring removal to required position, because the auxiliary ring includes auxiliary portion one, auxiliary portion two and auxiliary portion three, can change the structure of this department inner wall of agitator as required, make stirring vane form anomalous liquid flow in this department, thereby can make stirring vane can produce rule and anomalous liquid flow, reduce the required time of each raw materials stirring, it is supplementary effectual.
The base is further fixedly provided with a controller, and the first push rod motor, the second push rod motor and the driving motor are connected with the controller through circuits.
By adopting the structure, the action of the first push rod motor, the second push rod motor and the driving motor can be controlled by the controller, and the intelligent degree is high.
The connecting rod comprises a rod body I and a rod body II; the stirring barrel is also internally provided with a flow guide structure, the flow guide structure comprises a first driving strip, a second driving strip, a swinging plate, a first stirring block, a second stirring block, a first flow guide plate and a second flow guide plate, the first driving strip is vertically fixed on the first rod body, the first driving strip is provided with a first driving tooth, the second driving strip is vertically fixed on the second rod body, the second driving tooth is arranged on the second driving strip, the middle part of the swinging plate is rotatably connected with the upper end of an auxiliary rod through a rotating shaft, one end of the swinging plate is hinged with the upper end of the first stirring block, the lower end of the first stirring block is provided with a first stirring part which can be matched with the first driving tooth, the other end of the swinging plate is hinged with the upper end of the second stirring block, the lower end of the second stirring block is provided with a second stirring part which can be matched with the second driving tooth, the middle part of the first stirring block is connected with the middle part of the second stirring block through an elastic connecting rope, and the length of the second, the first guide plate is obliquely fixed at one end of the oscillating plate, the first guide plate is provided with a plurality of first guide holes, the cross section of each first guide hole is in a round table shape, the second guide plate is obliquely fixed at the other end of the oscillating plate, the second guide plate and the first guide plate form a splayed structure, the second guide plate is provided with a plurality of second guide holes, and the cross section of each second guide hole is in a reversed round table shape.
Structure more than adopting, at the in-process that the transport cylinder reciprocated, the connecting rod drives drive strip one and two reciprocates of drive strip, drive strip one makes and dials a round trip swing of piece, drive strip two makes and dials two round trip swings of piece, because dial the length of piece one and dial piece two inequality, make the swing board can produce reciprocal swing from top to bottom, the swing board drives guide plate one and two reciprocal swings of guide plate, guide plate one and two pairs of raw materials on agitator upper portion of guide plate are patted repeatedly, thereby can accelerate the raw materials stirring, and need not to prepare extra power supply to the swing board, the water conservancy diversion is convenient.
The film blowing machine in the step b comprises a workbench, an extrusion mechanism, a die head, a wind ring, a herringbone plate, a traction roller and a winding mechanism are arranged on the workbench, the extrusion mechanism comprises an extrusion cylinder, a feed hopper and a main screw rod, the extrusion cylinder is fixed on the workbench through a support, one end of the extrusion cylinder is a closed end, the other end of the extrusion cylinder is connected with the die head through a connecting pipe, the side part of the extrusion cylinder is provided with an input port for inputting materials, the input port is close to the closed end of the extrusion cylinder, the lower end of the feed hopper is communicated with the input port, the upper end of the feed hopper is provided with a discharge port, one end of the main screw rod is positioned in the extrusion cylinder, the other end of the main screw rod penetrates out of the closed end of the extrusion cylinder and is connected with a power structure capable of driving the main screw rod to rotate, a pushing structure capable of pushing the, the crane sets up on the support, the crane links to each other with a removal subassembly that can drive it and reciprocate, the guide pillar level sets up on the crane, the movable block slides and sets up on the guide pillar, it is equipped with spacing spring still to overlap on the guide pillar, spacing spring one end and guide pillar one end link to each other, the spacing spring other end and movable block link to each other, servo motor one is fixed on the movable block, servo motor one's output shaft is vertical downwards, the output shaft tip at servo motor one is fixed to vice screw rod, and vice screw rod can be located the feeder hopper, servo motor two is fixed on the crane, servo motor two's output shaft is vertical upwards, servo motor two's output shaft tip and cam link to each other, and the cam side offsets with the movable block.
The working principle of the film blowing machine is as follows: put into the feeder hopper with the material, it removes to drive the lift base through removing the subassembly, the lift base makes vice screw rod be located required position, the output shaft of control servo motor one rotates, the output shaft of servo motor one drives vice screw rod and rotates, vice screw rod makes the material in the feeder hopper carry downwards, and simultaneously, the output shaft of control servo motor two rotates, the output shaft of servo motor two drives cam rotation, the cam is repeated and is promoted the movable block, the movable block is along guide pillar round trip movement, the movable block makes vice screw rod round trip movement, thereby can avoid the feed inlet to appear blockking up, job stabilization nature is good.
The main screw is driven to rotate by the power structure, and the main screw gradually conveys materials at the input port of the extruding cylinder to the die head.
The moving assembly comprises a second stand column, a guide rod, a guide sleeve, a stepping motor, a driving gear and a rack, the second stand column is fixed on the support, the guide rod is vertically fixed on the second stand column, the guide sleeve is arranged on the guide rod, the rack is vertically fixed on the second stand column, the rack is parallel to the guide rod, the stepping motor is fixed on the second stand column, the output shaft of the stepping motor is horizontally arranged, the driving gear is fixed at the end part of the output shaft of the stepping motor, the driving gear is meshed with the rack, and the lifting frame is fixed on the guide sleeve.
When the lifting frame needs to move up and down, the output shaft of the stepping motor is controlled to rotate, the output shaft of the stepping motor drives the driving gear to rotate, the driving gear is gradually meshed with the rack to enable the guide sleeve to move up and down along the guide rod, and the guide sleeve drives the lifting frame to move up and down, so that the lifting frame can move up and down.
The guide rod is provided with scale marks.
The power structure comprises a speed reducing motor, a driving gear and a driven gear, the speed reducing motor is fixed on the support, an output shaft of the speed reducing motor is horizontally arranged, the driving gear is fixed at the end part of the output shaft of the speed reducing motor, the driven gear is fixed at the other end of the main screw rod, and the driving gear is meshed with the driven gear.
When the main screw rod needs to be rotated, the output shaft of the speed reducing motor is controlled to rotate, the output shaft of the speed reducing motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, and the driven gear drives the main screw rod to rotate, so that the main screw rod can be rotated.
A plurality of auxiliary holes are formed in the side portion of the feeding hopper, elastic sealing pieces are arranged at the positions of the auxiliary holes, a movable ring is further connected to the support through supporting springs and is sleeved outside the feeding hopper, a plurality of extrusion blocks are fixed to the movable ring and are in contact with the sealing pieces, and a second vibrating motor is further fixed to the movable ring.
By adopting the structure, the second vibration motor is controlled to work, the second vibration motor drives the movable ring to vibrate up and down, the movable ring drives the extrusion block to vibrate up and down, and the extrusion block repeatedly extrudes the sealing sheet, so that the material can be prevented from being stuck on the inner wall of the feeding hopper.
The material of the extrusion block is rubber.
Compared with the prior art, the manufacturing process of the biodegradable express bag has the advantages that: through steps such as batching, blown film, color printing, cutting, system bag, gum and packing, just can realize the preparation of express bag, and through the synergism between each raw materials, under the prerequisite that the express bag of guaranteeing to make has excellent biodegradability, can guarantee its normal use, the preparation is reliable.
Drawings
FIG. 1 is a schematic diagram of the steps of a fabrication process.
FIG. 2 is a schematic plan view of the mixer.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
FIG. 4 is a schematic perspective view of the blender with portions removed.
FIG. 5 is a schematic plan view of the blender with parts removed.
FIG. 6 is a schematic plan view of the film blowing machine.
FIG. 7 is a schematic perspective view of a disassembled part of the inflation film manufacturing machine.
FIG. 8 is a schematic plan view of a disassembled part of the inflation film manufacturing machine.
In the figure, 1, a base; 2. a stirring barrel; 2a, a feed inlet; 2b, a discharge hole; 3. an auxiliary lever; 4. a second electromagnetic valve; 5. a delivery cartridge; 5a, a material guide hole I; 5b, a material guide hole II; 6. a stirring blade; 7. a connecting frame; 8. a positioning ring; 9. a connecting rod; 9a, a first rod body; 9b, a second rod body; 10. a guide bar; 11. a guide sleeve; 12. a first upright post; 13. a push rod motor I; 14. a spring; 15. a first vibration motor; 16. a lifting seat; 17. a first electromagnetic valve; 18. a helical blade; 19. a controller; 21. a slider; 22. a guide rail; 23. a ring gear; 24. a gear; 25. a drive motor; 26. an auxiliary ring; 27. a lifting rod; 28. a support bar; 29. a push rod motor II; 31. connecting ropes; 32. a second driving strip; 33. a second dialing block; 34. a second guide plate; 34a and a second diversion hole; 35. a swing plate; 36. a first guide plate; 36a and a first diversion hole; 37. a first poking block; 38. driving the first strip; 41. a work table; 42. a support; 43. a connecting pipe; 44. a die head; 45. a wind ring; 46. a traction roller; 47. a herringbone plate; 48. extruding the material barrel; 49. a feed hopper; 50. a main screw; 51. a driven gear; 52. a driving gear; 53. a reduction motor; 54. a movable ring; 55. extruding the block; 56. a sealing sheet; 57. a second vibration motor; 58. an auxiliary screw; 59. a first servo motor; 60. a movable block; 61. a lifting frame; 62. a limiting spring; 63. a guide post; 64. a cam; 65. a servo motor II; 66. a support spring; 67. a second upright post; 68. a rack; 69. a drive gear; 70. a guide sleeve; 71. a stepping motor; 72. a guide rod.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in figure 1, the manufacturing process of the biodegradable express delivery bag comprises the following steps:
a. preparing materials: weighing 60-80 parts of polyethylene, 15-25 parts of starch, 8-12 parts of plasticizer, 10-20 parts of calcium carbonate, 3-9 parts of wood fiber powder, 0.3-0.8 part of light stabilizer and 0.4-1.2 parts of antioxidant according to parts by weight, putting into a stirrer, and stirring for 30-50min to prepare a mixture; in the embodiment, 72 parts of polyethylene, 21 parts of starch, 9 parts of plasticizer, 15 parts of calcium carbonate, 6 parts of wood fiber powder, 0.5 part of light stabilizer and 0.9 part of antioxidant are weighed by weight and put into a stirrer, and the stirring time is 40min to prepare a mixture;
b. film blowing: b, adding the mixture obtained in the step a into a film blowing machine for film blowing treatment, extruding from a die head, and cooling to prepare a plastic film;
c. color printing: b, setting a pattern according to requirements, and printing the pattern on the plastic film obtained in the step b by using a color press;
d. slitting: manufacturing plastic films with different specifications and sizes by a splitting machine;
e. bag making: d, cutting and heat-sealing the plastic film obtained in the step d by using a bag making machine to obtain a semi-finished biodegradable express bag;
f. back gluing: d, pasting an adhesive tape to the opening of the biodegradable express bag obtained in the step e to obtain a finished biodegradable express bag;
g. packaging: and f, packaging and boxing the biodegradable express bags obtained in the step f through a packaging machine.
By adopting the process, the express bag can be manufactured by the steps of material preparation, film blowing, color printing, slitting, bag making, gum application, packaging and the like, and the normal use and the reliable manufacture of the manufactured express bag can be ensured on the premise of ensuring the excellent biodegradability of the express bag through the synergistic effect among the raw materials.
The starch in step a is corn starch or potato starch, and in this embodiment, the starch in step a is corn starch.
The plasticizer in step a is glycerol.
The cooling treatment in step b uses cold air with a temperature of 10-20 ℃, and in the embodiment, the cooling treatment in step b uses cold air with a temperature of 14 ℃.
The film blowing temperature in step b was set to 224-236 deg.C, and in this example, the film blowing temperature in step b was set to 230 deg.C.
The printing speed in the step c is 5-8m/min, and the ink consumption is 15-25g/m2In the present embodiment, the printing speed in step c is 6m/min and the amount of ink used is 22g/m2。
The heat-seal temperature in step e was 150 ℃ to 165 ℃ and in this example, the heat-seal temperature in step e was 155 ℃.
As shown in fig. 2-5, the mixer in step a includes a base 1, a mixing barrel 2 is fixed on the base 1, and in this embodiment, the mixing barrel 2 is fixed on the base 1 by means of bolts; the upper part of the stirring barrel 2 is provided with a feeding hole 2a, a first electromagnetic valve 17 is arranged at the feeding hole 2a, the lower part of the stirring barrel 2 is provided with a discharging hole 2b, a second electromagnetic valve 4 is arranged at the discharging hole 2b, an auxiliary rod 3 is vertically arranged in the stirring barrel 2, and in the embodiment, the lower end of the auxiliary rod 3 is connected with the bottom of the stirring barrel 2; the auxiliary rod 3 is sleeved with a positioning ring 8, the positioning ring 8 is connected with a moving structure capable of driving the auxiliary rod to move up and down, the positioning ring 8 is connected with a connecting frame 7, a conveying cylinder 5 is arranged on the connecting frame 7, and in the embodiment, the conveying cylinder 5 can rotate circumferentially relative to the connecting frame 7; the conveying cylinder 5 is sleeved on the auxiliary rod 3, the conveying cylinder 5 is also connected with a driving structure capable of enabling the conveying cylinder 5 to rotate, a spiral blade 18 is fixed in the conveying cylinder 5, a conveying channel is formed among the conveying cylinder 5, the spiral blade 18 and the auxiliary rod 3, a plurality of stirring blades 6 are fixed outside the conveying cylinder 5, and in the embodiment, the number of the stirring blades 6 is three; the upper part of the conveying cylinder 5 is provided with a plurality of material guiding holes one 5a, and in the embodiment, the number of the material guiding holes one 5a is twenty; the lower part of the conveying cylinder 5 is provided with a plurality of material guide holes II 5 b; in the present embodiment, the number of the second material guiding holes 5b is twenty.
The moving structure comprises a first upright post 12, a first push rod motor 13, a guide rod 10, a guide sleeve 11, a lifting seat 16 and a first vibration motor 15, wherein the first upright post 12 is fixed on the stirring barrel 2, and in the embodiment, the first upright post 12 is fixed on the stirring barrel 2 in a bolt connection mode; the guide rod 10 is vertically fixed on the first upright post 12, the guide sleeve 11 is arranged on the guide rod 10, the first push rod motor 13 is fixed on the first upright post 12, and in the embodiment, the first push rod motor 13 is fixed on the first upright post 12 in a bolt connection mode; the push rod of the push rod motor I13 is downward vertically, the end part of the push rod motor I13 is connected with the guide sleeve 11, the positioning ring 8 is connected with the lifting seat 16 through the connecting rod 9, the lifting seat 16 is connected with the guide sleeve 11 through the spring 14, and the vibration motor I15 is fixed on the lifting seat 16.
Limiting blocks are further fixed at two ends of the guide rod 10; in this embodiment, the two ends of the guide rod 10 are further fixed with a limiting block in a bolt connection manner; by adopting the structure, the guide sleeve 11 can be limited when moving on the guide rod 10 through the limiting block, so that the guide sleeve can move in a normal working range.
The driving structure comprises a driving motor 25, an annular guide rail 22, a sliding block 21, a gear 24 and a gear ring 23, wherein the guide rail 22 is fixed on the connecting frame 7, the sliding block 21 is arranged on the guide rail 22, the sliding block 21 is connected with the conveying cylinder 5, the gear ring 23 is fixed on the connecting frame 7, the driving motor 25 is fixed on the sliding block 21, an output shaft of the driving motor 25 is vertically upward, the gear 24 is fixed at the end part of the output shaft of the driving motor 25, and the gear 24 is meshed with the gear ring 23.
The stirring barrel 2 is also provided with an auxiliary structure, the auxiliary structure comprises a second push rod motor 29 and an auxiliary ring 26, the second push rod motor 29 is fixed on the stirring barrel 2 through a support rod 28, in the embodiment, the support rod 28 is fixed on the stirring barrel 2, and the second push rod motor 29 is fixed on the support rod 28; the push rod of the push rod motor II 29 is vertically downward, the end part of the push rod motor II 29 is connected with the lifting rod 27, the lifting rod 27 is connected with the auxiliary ring 26, the auxiliary ring 26 is positioned in the stirring barrel 2, the auxiliary ring 26 is close to the inner wall of the stirring barrel 2, the auxiliary ring 26 comprises an auxiliary part I, an auxiliary part II and an auxiliary part III from top to bottom, the section of the auxiliary part I is wavy, the section of the auxiliary part II is arc-shaped, the auxiliary part II is also provided with material passing holes, and in the embodiment, the number of the material passing holes is one hundred; the section of the auxiliary part III is in a sawtooth shape.
The base 1 is also fixed with a controller 19, and the push rod motor I13, the push rod motor II 29 and the driving motor 25 are all connected with the controller 19 through circuits; in this embodiment, the controller 19 is a commercially available single chip microcomputer, and the program for controlling the motor is present and does not need to be edited again; by adopting the structure, the controller 19 can control the first push rod motor 13, the second push rod motor 29 and the driving motor 25 to act, and the intelligent degree is high.
The connecting rod 9 comprises a first rod body 9a and a second rod body 9 b; the stirring barrel 2 is also internally provided with a flow guide structure, the flow guide structure comprises a first driving strip 38, a second driving strip 32, a swinging plate 35, a first shifting block 37, a second shifting block 33, a first guide plate 36 and a second guide plate 34, the first driving strip 38 is vertically fixed on a first rod body 9a, the first driving strip 38 is provided with a first driving tooth, the second driving strip 32 is vertically fixed on a second rod body 9b, the second driving strip 32 is provided with a second driving tooth, the middle part of the swinging plate 35 is rotatably connected with the upper end of the auxiliary rod 3 through a rotating shaft, one end of the swinging plate 35 is hinged with the upper end of the first shifting block 37, the lower end of the first shifting block 37 is provided with a first shifting part which can be matched with the first driving tooth, the other end of the swinging plate 35 is hinged with the upper end of the second shifting block 33, the lower end of the second shifting block 33 is provided with a second shifting part which can be matched with the second driving tooth, the middle part of the first shifting block 37 is connected with the middle part of the second shifting block, the length of the second toggle block 33 is greater than that of the first toggle block 37, the first guide plate 36 is obliquely fixed at one end of the swing plate 35, the first guide plate 36 is provided with a plurality of first guide holes 36a, and in the embodiment, the number of the first guide holes 36a is thirty; the section of the first diversion hole 36a is in a circular truncated cone shape, the second diversion plate 34 is obliquely fixed at the other end of the swinging plate 35, the second diversion plate 34 and the first diversion plate 36 form a splayed structure, the second diversion plate 34 is provided with a plurality of second diversion holes 34a, and in the embodiment, the number of the second diversion holes 34a is thirty; the section of the second diversion hole 34a is in an inverted round table shape; by adopting the structure, in the process of moving the conveying cylinder up and down, the connecting rod 9 drives the first driving strip 38 and the second driving strip 32 to move up and down, the first driving strip 38 enables the first shifting block 37 to swing back and forth, the second driving strip 32 enables the second shifting block 33 to swing back and forth, the lengths of the first shifting block 37 and the second shifting block 33 are different, so that the swinging plate 35 can swing up and down in a reciprocating manner, the swinging plate 35 drives the first guide plate 36 and the second guide plate 34 to swing back and forth, and the first guide plate 36 and the second guide plate 34 repeatedly flap raw materials at the upper part of the stirring barrel 2, so that the raw material stirring can be accelerated, no additional power source needs to be prepared for the swinging plate 35, and the; because the first guide plate 36 and the second guide plate 34 are arranged obliquely and are splayed, when the swinging plate 35 swings up and down, the first guide plate 36 and the second guide plate 34 can push the raw materials on the upper part of the stirring barrel 2 obliquely and downwards.
The principle of the stirrer is as follows: raw materials are added into a stirring barrel 2 through a feeding hole 2a, an output shaft of a driving motor 25 is controlled to drive a gear 24 to rotate forwards, the gear 24 is gradually meshed with a gear ring 23, a slide block 21 rotates forwards along a guide rail 22, the slide block 21 drives a conveying barrel 5 to rotate forwards, the conveying barrel 5 drives a spiral blade 18 to rotate forwards, the spiral blade 18 enables the raw materials at the lower end of the conveying barrel 5 to be output from the upper end of the conveying barrel 5 from bottom to top, the conveying barrel 5 also drives a stirring blade 6 to rotate, the stirring blade 6 stirs the raw materials, or the output shaft of the driving motor 25 is controlled to drive the gear 24 to rotate backwards, the gear 24 is gradually meshed with the gear ring 23, the slide block 21 rotates backwards along the guide rail 22, the slide block 21 drives the conveying barrel 5 to rotate backwards, the conveying barrel 5 drives the spiral blade 18 to rotate backwards, the spiral blade 18 enables the raw materials at the upper end of the conveying barrel 5, the stirring blade 6 stirs the raw materials, meanwhile, the push rod of the push rod motor I13 is controlled to drive the guide sleeve 11 to move up and down along the guide rod 10, the guide sleeve 11 drives the lifting seat 16 to move up and down through the spring 14, the lifting seat 16 drives the positioning ring 8 to move up and down, the positioning ring 8 drives the connecting frame 7 to move up and down, the connecting frame 7 drives the conveying cylinder 5 to move up and down, the conveying cylinder 5 can upwards convey or downwards convey the raw materials at the upper part, the middle part and the lower part of the stirring position, and the raw materials are rapidly and uniformly stirred by matching with the rotation of the stirring blade 6, meanwhile, when the conveying cylinder 5 drives the stirring blade 6 to rotate, the push rod of the push rod motor II 29 is controlled to drive the auxiliary ring 26 to move up and down, the auxiliary ring 26 is moved to a required position, because the auxiliary ring 26 comprises the auxiliary part I, the auxiliary part II and, thereby enabling the stirring blade 6 to generate regular and irregular liquid flows and reducing the time required for stirring all the raw materials; because the lifting seat 16 is connected with the guide sleeve 11 through the spring 14, and the first vibration motor 15 is fixed on the lifting seat 16, the first vibration motor 15 can enable the conveying cylinder 5 to shake up and down when rotating.
As shown in fig. 6-8, the film blowing machine in step b comprises a workbench 41, and an extrusion mechanism, a die head 44, an air ring 45, a chevron plate 47, a pulling roll 46 and a winding mechanism are arranged on the workbench 41, in this embodiment, the die head 44, the air ring 45, the chevron plate 47, the pulling roll 46 and the winding mechanism are all in the prior art, such as the prior structure in patent No. 2017213347461; the extruding mechanism comprises an extruding cylinder 48, a feed hopper 49 and a main screw 50, the extruding cylinder 48 is fixed on the workbench 41 through a bracket 42, one end of the extruding cylinder 48 is a closed end, the other end of the extruding cylinder 48 is connected with a die head 44 through a connecting pipe 43, the side part of the extruding cylinder 48 is provided with an input port for inputting materials, the input port is close to the closed end of the extruding cylinder 48, the lower end of the feed hopper 49 is communicated with the input port, the upper end of the feed hopper 49 is provided with a discharge port, one end of the main screw 50 is positioned in the extruding cylinder 48, the other end of the main screw 50 penetrates through the closed end of the extruding cylinder 48 to be connected with a power structure capable of driving the extruding cylinder to rotate, the bracket 42 is provided with a pushing structure capable of pushing the materials in the feed hopper 49, the pushing structure comprises a lifting frame 61, a guide pillar 63, a movable block 60, an auxiliary screw 58, a servo motor I59 and a servo, the guide post 63 is horizontally arranged on the lifting frame 61, the movable block 60 is arranged on the guide post 63 in a sliding mode, a limiting spring 62 is further sleeved on the guide post 63, one end of the limiting spring 62 is connected with one end of the guide post 63, the other end of the limiting spring 62 is connected with the movable block 60, the first servo motor 59 is fixed on the movable block 60, and in the embodiment, the first servo motor 59 is fixed on the movable block 60 in a bolt connection mode; the output shaft of the first servo motor 59 is vertically downward, the auxiliary screw rod 58 is fixed at the end part of the output shaft of the first servo motor 59, the auxiliary screw rod 58 can be positioned in the feed hopper 49, the second servo motor 65 is fixed on the lifting frame 61, and in the embodiment, the second servo motor 65 is fixed on the lifting frame 61 in a bolt connection mode; the output shaft of the second servo motor 65 is vertically upward, the end part of the output shaft of the second servo motor 65 is connected with the cam 64, and the side surface of the cam 64 abuts against the movable block 60; by adopting the structure, the output shaft of the speed reducing motor 53 is controlled to drive the driving gear 52 to rotate, the driving gear 52 drives the driven gear 69 to rotate, the driven gear 51 drives the main screw 50 to rotate, and the main screw 50 enables the material at the input port of the extruding cylinder 48 to be gradually conveyed to the die head 44.
The moving assembly comprises a second upright post 67, a guide rod 72, a guide sleeve 70, a stepping motor 71, a driving gear 69 and a rack 68, wherein the second upright post 67 is fixed on the bracket 42, and in the embodiment, the second upright post 67 is fixed on the bracket 42 in a bolt connection manner; the guide rod 72 is vertically fixed on the second upright post 67, the guide sleeve 70 is arranged on the guide rod 72, the rack 68 is vertically fixed on the second upright post 67, the rack 68 and the guide rod 72 are parallel to each other, the stepping motor 71 is fixed on the second upright post 67, the output shaft of the stepping motor 71 is horizontally arranged, the driving gear 69 is fixed at the end part of the output shaft of the stepping motor 71, the driving gear 69 is meshed with the rack 68, and the lifting frame 61 is fixed on the guide sleeve 70; the guide rod 72 has graduation marks thereon.
The power structure comprises a speed reducing motor 53, a driving gear 52 and a driven gear 51, wherein the speed reducing motor 53 is fixed on the bracket 42, and in the embodiment, the speed reducing motor 53 is fixed on the bracket 42 in a bolt connection mode; an output shaft of the reduction motor 53 is horizontally disposed, the driving gear 52 is fixed to an end portion of the output shaft of the reduction motor 53, the driven gear 51 is fixed to the other end of the main screw 50, and the driving gear 52 is engaged with the driven gear 51.
A plurality of auxiliary holes are formed in the side of the feed hopper 49, and in the embodiment, the number of the auxiliary holes is three; the auxiliary hole is provided with an elastic sealing sheet 56, the support 42 is further connected with a movable ring 54 through a supporting spring 66, the movable ring 54 is sleeved outside the feed hopper 49, the movable ring 54 is fixed with a plurality of extrusion blocks 55, and in the embodiment, the number of the extrusion blocks 55 is three; the extrusion block 55 is in contact with the sealing sheet 56, a second vibration motor 57 is further fixed on the movable ring 54, and in the embodiment, the second vibration motor 57 is further fixed on the movable ring 54 in a bolt connection mode; by adopting the structure, the second vibration motor 57 is controlled to drive the movable ring 54 to vibrate up and down, the movable ring 54 drives the extrusion block 55 to vibrate up and down, and the extrusion block 55 repeatedly extrudes the sealing sheet 56, so that materials can be prevented from being stuck on the inner wall of the feed hopper 49; the material of the squeeze block 55 is rubber.
The working principle of the film blowing machine is as follows: the material is placed into the feed hopper 49, the output shaft of the stepping motor 71 is controlled to drive the driving gear 69 to rotate, the driving gear 69 is gradually meshed with the rack 68 to enable the guide sleeve 70 to move up and down along the guide rod 72, the guide sleeve 70 drives the lifting frame 61 to move up and down, the lifting base enables the auxiliary screw 58 to be located at a required position, the output shaft of the servo motor I59 is controlled to drive the auxiliary screw 58 to rotate, the auxiliary screw 58 enables the material in the feed hopper 49 to be conveyed downwards, meanwhile, the output shaft of the servo motor II 65 is controlled to drive the cam 64 to rotate, the cam 64 pushes the movable block 60 repeatedly, the movable block 60 moves back and forth along the guide rod 63, and the movable block 60 enables the auxiliary screw 58 to.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (7)

1. A manufacturing process of a biodegradable express bag is characterized by comprising the following steps:
a. preparing materials: weighing 60-80 parts of polyethylene, 15-25 parts of starch, 8-12 parts of plasticizer, 10-20 parts of calcium carbonate, 3-9 parts of wood fiber powder, 0.3-0.8 part of light stabilizer and 0.4-1.2 parts of antioxidant according to parts by weight, putting into a stirrer, and stirring for 30-50min to prepare a mixture;
b. film blowing: b, adding the mixture obtained in the step a into a film blowing machine for film blowing treatment, extruding from a die head, and cooling to prepare a plastic film;
c. color printing: b, setting a pattern according to requirements, and printing the pattern on the plastic film obtained in the step b by using a color press;
d. slitting: manufacturing plastic films with different specifications and sizes by a splitting machine;
e. bag making: d, cutting and heat-sealing the plastic film obtained in the step d by using a bag making machine to obtain a semi-finished biodegradable express bag;
f. back gluing: d, pasting an adhesive tape to the opening of the biodegradable express bag obtained in the step e to obtain a finished biodegradable express bag;
g. packaging: f, packaging and boxing the biodegradable express bags obtained in the step f through a packaging machine;
the stirrer in the step a comprises a base, a stirring barrel is fixed on the base, a feeding hole is formed in the upper portion of the stirring barrel, a first electromagnetic valve is arranged at the feeding hole, a discharging hole is formed in the lower portion of the stirring barrel, a second electromagnetic valve is arranged at the discharging hole, an auxiliary rod is vertically arranged in the stirring barrel, a positioning ring is sleeved on the auxiliary rod and connected with a moving structure capable of driving the positioning ring to move up and down, the positioning ring is connected with a connecting frame, a conveying barrel is arranged on the connecting frame and sleeved on the auxiliary rod, the conveying barrel is also connected with a driving structure capable of enabling the conveying barrel to rotate, a spiral blade is fixed in the conveying barrel, a conveying channel is formed among the conveying barrel, the spiral blade and the auxiliary rod, a plurality of stirring blades are fixed outside the conveying barrel, a plurality of guide holes I are formed in the upper portion of; the stirring barrel is also provided with an auxiliary structure, the auxiliary structure comprises a push rod motor II and an auxiliary ring, the push rod motor II is fixed on the stirring barrel through a support rod, a push rod of the push rod motor II is vertically downward, the end part of the push rod motor II is connected with a lifting rod, the lifting rod is connected with the auxiliary ring, the auxiliary ring is positioned in the stirring barrel and close to the inner wall of the stirring barrel, the auxiliary ring comprises an auxiliary part I, an auxiliary part II and an auxiliary part III from top to bottom, the cross section of the auxiliary part I is wavy, the cross section of the auxiliary part II is arc-shaped, the auxiliary part II is also provided with a material passing hole, and the cross section of the auxiliary part III is zigzag; the moving structure comprises a first upright post, a first push rod motor, a guide rod, a guide sleeve, a lifting seat and a first vibration motor, wherein the first upright post is fixed on the stirring barrel, the guide rod is vertically fixed on the first upright post, the guide sleeve is arranged on the guide rod, the first push rod motor is fixed on the first upright post, a push rod of the first push rod motor faces downwards vertically, the end part of the push rod of the first push rod motor is connected with the guide sleeve, a positioning ring is connected with the lifting seat through a connecting rod, the lifting seat is connected with the guide sleeve through a spring, and the first vibration motor is fixed on; the connecting rod comprises a rod body I and a rod body II; the stirring barrel is also internally provided with a flow guide structure, the flow guide structure comprises a first driving strip, a second driving strip, a swinging plate, a first stirring block, a second stirring block, a first flow guide plate and a second flow guide plate, the first driving strip is vertically fixed on the first rod body, the first driving strip is provided with a first driving tooth, the second driving strip is vertically fixed on the second rod body, the second driving tooth is arranged on the second driving strip, the middle part of the swinging plate is rotatably connected with the upper end of an auxiliary rod through a rotating shaft, one end of the swinging plate is hinged with the upper end of the first stirring block, the lower end of the first stirring block is provided with a first stirring part which can be matched with the first driving tooth, the other end of the swinging plate is hinged with the upper end of the second stirring block, the lower end of the second stirring block is provided with a second stirring part which can be matched with the second driving tooth, the middle part of the first stirring block is connected with the middle part of the second stirring block through an elastic connecting rope, and the length of the second, the first guide plate is obliquely fixed at one end of the oscillating plate, the first guide plate is provided with a plurality of first guide holes, the cross section of each first guide hole is in a round table shape, the second guide plate is obliquely fixed at the other end of the oscillating plate, the second guide plate and the first guide plate form a splayed structure, the second guide plate is provided with a plurality of second guide holes, and the cross section of each second guide hole is in a reversed round table shape.
2. The process for making a biodegradable express bag according to claim 1, wherein the starch in step a is corn starch or potato starch.
3. The manufacturing process of the biodegradable express bag according to claim 1, wherein the plasticizer in the step a is glycerol.
4. The manufacturing process of the biodegradable express delivery bag according to claim 1, wherein the cooling treatment in the step b is performed by using cold air at a temperature of 10-20 ℃.
5. The process for manufacturing the biodegradable express delivery bag as defined in claim 4, wherein the temperature of the blown film in the step b is set to 224-236 ℃.
6. The manufacturing process of the biodegradable express delivery bag according to claim 1, wherein the printing speed in the step c is 5-8m/min, and the ink consumption is 15-25g/m2。
7. The process for manufacturing the biodegradable express delivery bag as defined in claim 1, wherein the heat sealing temperature in the step e is 150-165 ℃.
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CN109294028A (en) 2019-02-01
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Address after: 519000 floor 1-2, building a, factory building (phase II), No.1, Pingdong Third Road, Nanping Science and Technology Industrial Park, Zhuhai City, Guangdong Province)

Patentee after: Zhuhai Dingsheng Adhesive Plastic Environmental Protection Technology Co.,Ltd.

Address before: 314503 building 3-4, No.28, Tianshun Road, industrial zone, Tudian Town, Tongxiang City, Jiaxing City, Zhejiang Province

Patentee before: TONGXIANG KAIRUI PACKAGING MATERIAL CO.,LTD.