CN116285094B - Production process of environment-friendly PP plastic packaging box - Google Patents
Production process of environment-friendly PP plastic packaging box Download PDFInfo
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- CN116285094B CN116285094B CN202211519161.2A CN202211519161A CN116285094B CN 116285094 B CN116285094 B CN 116285094B CN 202211519161 A CN202211519161 A CN 202211519161A CN 116285094 B CN116285094 B CN 116285094B
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- plastic
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- 239000004033 plastic Substances 0.000 title claims abstract description 67
- 229920003023 plastic Polymers 0.000 title claims abstract description 67
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000003607 modifier Substances 0.000 claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 238000012216 screening Methods 0.000 claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 17
- 238000001746 injection moulding Methods 0.000 claims abstract description 14
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003063 flame retardant Substances 0.000 claims abstract description 12
- 239000004698 Polyethylene Substances 0.000 claims abstract description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 229920000570 polyether Polymers 0.000 claims abstract description 5
- -1 polyethylene Polymers 0.000 claims abstract description 5
- 229920000573 polyethylene Polymers 0.000 claims abstract description 5
- 239000000155 melt Substances 0.000 claims abstract description 3
- 238000004381 surface treatment Methods 0.000 claims abstract description 3
- 238000007599 discharging Methods 0.000 claims description 59
- 238000001125 extrusion Methods 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 239000004014 plasticizer Substances 0.000 claims description 4
- 239000010456 wollastonite Substances 0.000 claims description 4
- 229910052882 wollastonite Inorganic materials 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 25
- 239000002245 particle Substances 0.000 abstract description 13
- 229920003180 amino resin Polymers 0.000 abstract description 3
- 239000000806 elastomer Substances 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention discloses a production process of an environment-friendly PP plastic packaging box, which relates to the technical field of PP plastic packaging boxes and comprises the steps of preparing raw materials of a glue box mechanism, screening and crushing a modifier, mixing a melt, performing quick injection molding of the glue box mechanism, namely demolding, conveying the glue box mechanism and performing surface treatment; according to the invention, the modifier and the flame retardant are added into the raw material of the plastic box made of the PP material, so that the rigidity, the heat resistance, the dimensional stability, the high-temperature creep resistance, the hardness and the colorability of the PP can be obviously improved, the cost can be reduced in an increment manner, the polyethylene, the chlorinated polyether and the aminoplast elastomer particles in the raw material can absorb part of impact energy and serve as stress concentrators to induce and inhibit crack growth, so that the PP is converted from brittle fracture to ductile fracture, the impact strength of the PP is greatly improved, the toughness of the PP is effectively improved, and the easy-to-crack property of the plastic box made of the whole PP material in a low-temperature environment is improved.
Description
Technical Field
The invention relates to the technical field of PP plastic packaging box production, in particular to a production process of an environment-friendly PP plastic packaging box.
Background
The plastic box is a product external packaging box which is processed by a series of procedures such as printing, die cutting, box sticking and the like and is environment-friendly, nontoxic, high in transparency, more visual in displaying packaged products and the like, can effectively improve the packaging grade of the products, and can be applied to the packaging industry due to the fact that the highest heating temperature of the whole PP material is 120-150 ℃ under normal conditions, the embrittlement temperature is-35 ℃ and the heating temperature of the PP material is far higher than the boiling water temperature, the upper limit temperature of the PVC material is about 90 ℃, and the PET material can be subjected to high temperature, but has higher cost, and meanwhile, compared with the PP material, the time for recycling is shorter, the production cost of the packaging box of the PET material is higher, and the application range of the packaging box of the food and beverage material is narrower;
in the whole preparation process of the PP plastic rubber box, as the food packaging industry is applied, the sensitivity of the whole material to temperature change is minimized, but the whole PP packaging box has low impact strength and is easy to crack in a low-temperature environment, meanwhile, the PP packaging box is easy to burn and has poor colorability, meanwhile, the whole PP plastic rubber box has low raw injection molding process rate, the surface part of the box body is not treated in the same workshop, and workers are required to carry semi-finished products of the plastic rubber box to and fro between different workshops, so that the preparation rate of the whole PP plastic rubber box is further influenced;
therefore, we propose a production process of an environment-friendly PP plastic packaging box.
Disclosure of Invention
The invention aims to provide a production process of an environment-friendly PP plastic packaging box, which aims to solve the problems in the background art:
1. the modifier and the flame retardant are added into the raw material of the PP rubber box, so that the rigidity, the heat resistance, the dimensional stability, the high-temperature creep resistance, the hardness, the colorability and the toughness of the PP rubber box can be obviously improved, and the problem that the PP rubber box is easy to crack in a low-temperature environment is solved;
2. the whole inclined sleeve is driven to rotate through rotation of the rotating shaft, so that a screen plate on the whole connecting column continuously shakes left and right in the through groove, the modifier is screened and crushed, and the problems of uneven distribution and dispersion of the modifier in the PP resin matrix in the later period are avoided;
3. through first electric putter, second electric putter is at the adjustment tank work for the row material piece in the whole casing is left and right movement, realizes that whole PP glues box uninterrupted injection molding work, solves the problem that the PP glues box preparation rate is low.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the production process of the environment-friendly PP plastic packaging box comprises the following steps:
s1: preparing raw materials of a glue box mechanism: weighing the following components in parts by weight: 30-45 parts of PP resin, 0.3-0.5 part of stabilizer, 1-3 parts of lubricant, 6-10 parts of plasticizer, 0.5-1 part of modifier and 3-6 parts of high-temperature-resistant flame-retardant component;
s2: screening and crushing the modifier and mixing the modifier with the melt;
s3: quick injection molding of the rubber box mechanism, namely demoulding;
s4: and conveying and surface treatment of the glue box mechanism.
Further, the modifier comprises calcium carbonate, talcum powder, mica powder and wollastonite powder, and the high-temperature-resistant flame-retardant component comprises polyethylene, low-smoke halogen-free flame-retardant polyolefin, chlorinated polyether and polyurethane elastomer.
Further, the screening and crushing time of the modifier in the step S2 in the vibration screening mechanism is 5-10min, the temperature is 35 ℃, and the melting and mixing temperature of the raw materials of the rubber box mechanism in the extrusion molding discharging device is 150-160 ℃.
Further, the production process of the environment-friendly PP plastic packaging box comprises a workbench and a rubber box mechanism, wherein the rubber box mechanism comprises a box body, a cover edge and side edges, an extrusion molding discharging device is arranged at the top of the workbench, a temperature control shell is fixed on one side of the extrusion molding discharging device through bolts, a discharging mechanism is arranged on one side of the temperature control shell, the discharging mechanism comprises a shell, an adjusting groove, a feeding groove and a discharging block, the shell is fixed on one side of the temperature control shell through bolts, the discharging block is connected in a sliding manner in the shell, the adjusting groove is formed in one side of the shell, the feeding groove is formed in the other side of the shell, guide plates are rotationally connected to the inner walls of two sides of the feeding groove, limiting blocks are symmetrically fixed on one side of the adjusting groove through spot welding and flow passages are symmetrically formed in the discharging block;
the two sides of the shell are symmetrically provided with sliding plates positioned at the top of the workbench, the two sides of the sliding plates are slidably connected with sliding columns, the opposite surfaces of the two sliding plates are symmetrically fixed with templates through bolts, the top of the workbench is fixed with a fixed block through bolts, and a first electric push rod and a second electric push rod are arranged on one side of the fixed block, and one ends of the first electric push rod and the second electric push rod penetrate through the adjusting groove and are fixed with the supporting block through spot welding.
Further, the feeder hopper is installed at extrusion molding discharging device's top, and is located the top of feeder hopper and install vibrations screening mechanism, vibrations screening mechanism includes box, logical groove, discharge groove, sieve and clamp plate, logical groove has been seted up in the box, and is located the one side inner wall in logical groove and has seted up the discharge groove, lead to inslot and be located the inner wall sliding connection of discharge groove and have the sieve, one side of sieve is run through groove one side and is fixed with the spliced pole through spot welding, the opposite face of spliced pole and box just is located the spliced pole and overlaps and be equipped with the spring, the bottom of sieve is fixed with the clamp plate through spot welding.
Further, one side of box is fixed with the fourth electric putter through the bolt, and is located the one end of fourth electric putter and is fixed with the limiting disc through spot welding, one side of box rotates and is connected with the pivot, and is located the top sliding connection of pivot and has oblique sleeve, one side looks joint of the oblique sleeve of one side of limiting disc.
Further, the driving belt is installed to one side of workstation, and is located the top of driving belt and evenly is fixed with the cover piece, cover is equipped with the cover that fills up on the cover piece, and is located the even adhesion of cover one side of filling up and have the backing plate, fill up one side of cover and be located the workstation on be fixed with the baffle through spot welding, connect magazine and connect the sediment box respectively to one side of workstation and be located the bottom of cover that fills up.
Further, the top of workstation is fixed with the third electric putter through the bolt, and is located the one end of third electric putter and runs through the workstation and be fixed with and cut the shell, and is located the inner wall sliding connection who cuts the shell and have spacing shell.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the modifier and the flame retardant are added into the raw material of the PP rubber box, so that the rigidity, the heat resistance, the dimensional stability, the high-temperature creep resistance, the hardness and the colorability of the PP can be obviously improved, the cost can be reduced in an increment manner, and the polyethylene, the chlorinated polyether and the aminoplast elastomer particles in the raw material can absorb part of impact energy and serve as stress concentrators to induce and inhibit crack growth, so that the PP is converted from brittle fracture to ductile fracture, the impact strength of the PP is greatly improved, the toughness of the PP is effectively improved, and the cracking characteristic of the whole PP rubber box in a low-temperature environment is improved;
2. according to the invention, the whole inclined sleeve is driven to rotate through the rotation of the rotating shaft, so that the sieve plate on the whole connecting column continuously shakes left and right in the through groove, the modifier added into the vibration screening mechanism is screened and crushed, the problems of uneven distribution and dispersion of the modifier in the PP resin matrix in the later stage are prevented, and the overall stability of the PP glue box prepared in the later stage is influenced;
3. according to the invention, the first electric push rod and the second electric push rod work in the adjusting groove, so that the discharging block in the whole shell moves left and right, the uninterrupted PP plastic box manufacturing injection molding work is realized by matching with the template on one side of the sliding plate, and compared with the single-side transmission injection molding, the PP plastic box manufacturing speed is greatly improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a production device of an environment-friendly PP plastic packaging box;
FIG. 2 is a schematic diagram of a connecting structure of a slide plate and a discharge mechanism;
FIG. 3 is a schematic cross-sectional view of a housing according to the present invention;
FIG. 4 is a schematic view of the movement structure of the discharging block in the shell;
FIG. 5 is a schematic diagram of the connection structure of the abutment and the stopper according to the present invention;
FIG. 6 is an enlarged schematic view of the structure at A of the present invention;
FIG. 7 is a schematic view of a front cross-sectional structure of the case of the present invention;
fig. 8 is an exploded view of the capsule mechanism of the present invention.
In the figure: 1. a work table; 2. extrusion molding discharging device; 3. a feed hopper; 4. a temperature control jacket; 5. a discharging mechanism; 501. a housing; 502. an adjustment tank; 503. a feed chute; 504. a deflector; 505. a discharge block; 506. a flow passage; 507. a limiting block; 6. a slide plate; 7. a spool; 8. a template; 9. a first electric push rod; 10. a second electric push rod; 11. abutting blocks; 12. a fixed block; 13. a drive belt; 14. a cushion cover; 15. sleeving blocks; 16. a third electric push rod; 17. shearing the shell; 18. a limit shell; 19. a backing plate; 20. a baffle; 21. a receiving box; 22. a slag receiving box; 23. a vibration screening mechanism; 231. a case; 232. a through groove; 233. a discharge chute; 234. a connecting column; 235. a sieve plate; 236. a pressing plate; 237. a spring; 24. a fourth electric push rod; 25. a limiting disc; 26. a rotating shaft; 27. an inclined sleeve; 28. a glue box mechanism; 281. a case body; 282. a cover edge; 283. a side edge.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution:
example 1:
in the preparation process of the plastic box made of PP materials, necessary plastic particles, PP resin and plasticizer, namely high-temperature resistant flame retardant raw materials are poured into an extrusion molding discharging device 2 from a feed hopper 3, the bottom of the whole feed hopper 3 is communicated with the extrusion molding discharging device 2, meanwhile, the whole extrusion molding discharging device 2 continuously rolls the plastic raw materials to one side in the operation process, the plastic particles are continuously heated in the extrusion molding discharging device 2, the molten plastic finally enters a temperature control shell 4 and finally enters a discharging mechanism 5, and by adding a modifier and a flame retardant into the plastic box raw materials made of PP materials, the added non-metal mineral powder materials such as calcium carbonate, talcum powder, mica powder, wollastonite powder and the like in the raw materials can remarkably improve the rigidity, heat resistance, dimensional stability, high-temperature creep property, hardness, colorability and the like of PP, most of the raw materials can also play the roles of reducing the cost by an increment, and polyethylene, chlorinated polyether and aminoplast elastomer particles in the raw materials can absorb part of impact energy and act as stress concentrators to induce and inhibit the growth, so that the PP is converted into PP from brittle fracture to be greatly improved, the PP fracture strength is easy to improve the ductile property of the plastic box, and the ductile property is improved;
as shown in fig. 1, a vibration screening mechanism 23 is further installed at the top of the feed hopper 3, the vibration screening mechanism is installed to screen a part of modifier added into raw materials and break up the agglomerated modifier, in order to better mix modifier particles with molten plastic particles, prevent the problem that the modifier is unevenly distributed and dispersed in a PP resin matrix in the later stage, influence the stability of the whole PP plastic box prepared in the later stage, after the injection raw materials are poured into the feed hopper 3, workers start to mix the modifier together and put the modifier into a box 231 in the vibration screening mechanism 23, as shown in fig. 7, a through groove 232 is formed in the whole box 231, a screen plate 235 which can shake left and right is installed in the through groove 232, a power device positioned at one side of the box 231 is started, the power device drives a rotating shaft 26 at one side of the box 231 to rotate, an inclined sleeve 27 is slidably connected to the top of the rotating shaft 26, the whole inclined sleeve 27 rotates along with the rotation of the rotating shaft 26, meanwhile, a fourth electric push rod 24 is installed at one side of the inclined sleeve 27, one end of the fourth electric push rod 24 is fixedly provided with a limit disc 25, and the limit disc 25 is clamped at one side of the limit disc 25 is clamped at the same time, and the inclined sleeve 25 is contracted upwards when the whole side 25 is pulled upwards at the side of the limit disc 25;
the discharging groove 233 which is positioned in the whole through groove 232 and is clamped with the sieve plate 235 can convey the agglomerated materials filtered out by the sieve plate 235 into the through groove 232 at the bottom of the sieve plate 235 again, the connecting column 234 is arranged at one side of the sieve plate 235, one end of the whole connecting column 234 extends out of one side of the through groove 232 for a distance, the spring 237 is sleeved on one extended section of the connecting column 234, one end of the connecting column 234 is abutted against one side of the inclined sleeve 27, after the whole inclined sleeve 27 starts to rotate, the sieve plate 235 on the connecting column 234 is continuously extruded, the whole sieve plate 235 is enabled to shake left and right in the discharging groove 233, further the modifier falling on the sieve plate 235 is filtered, the pressing plate 236 is further fixed at the bottom of the sieve plate 235, the agglomerated particles fall to one side of the pressing plate 236 along the discharging groove 233, and then the pressing plate 236 is continuously vibrated through the whole sieve plate 235 to drive the agglomerated medicament particles rolled out from one side of the discharging groove 233, so that extrusion and crushing of the agglomerated particles are realized;
in order to adjust the distance between the whole pressing plate 236 and the inner wall of the through groove 232, the distance between the pressing plate 236 and the groove wall is increased, and conversely, the distance between the pressing plate 236 and the groove wall is reduced when the whole fourth electric push rod 24 is contracted, the abutting pressure of the whole inclined sleeve 27 to the connecting column 234 is reduced;
the modifier after screening and crushing enters the extrusion molding discharging device 2 along the feeding hopper 3, and is fully stirred and mixed with the plastic in a molten state in the extrusion molding discharging device 2, when injection molding can be performed, a switch positioned at one side of the temperature control casing 4 is opened, and the uniformly mixed plastic can enter a die for molding operation.
Example 2:
as shown in fig. 2-5, one side of the whole temperature control casing 4 is connected with a discharging mechanism 5, as shown in fig. 2, two sides of the discharging channel are additionally provided with movable sliding plates 6, one side of each sliding plate 6 is fixedly provided with a template 8 through bolts, as shown in fig. 8, the shape of the whole plastic box made of PP material is a square box, two sides of a box body 281 of the whole plastic box mechanism 28 are fixedly provided with side edges 283, and meanwhile, the box body 281 is also provided with cover edges 282, so that two sides of the shell 501 are correspondingly provided with cover edges 282 and side edges 283 which are corresponding to the box body 281, and when the sliding plates 6 on the whole sliding columns 7 are contacted with one side of the shell 501, a whole plastic box injection molding cavity is formed;
as shown in fig. 4, a discharging block 505 capable of sliding left and right is further installed in the whole shell 501, when the first electric push rod 9 and the second electric push rod 10 positioned at one side of the workbench 1 push the abutting block 11 to contact with the limiting block 507 at one side of the discharging block 505, the whole discharging block 505 moves left and right in the adjusting groove 502, when the first electric push rod 9 stretches, the abutting block 11 positioned at one end of the first electric push rod 9 starts to contact with the limiting block 507 and pushes the whole discharging block 505 rightwards, meanwhile, the feeding groove 503 positioned at the other side of the discharging block 505 starts to be filled with plastic in a molten state, and due to the guiding effect of the guide plate 504 in the feeding groove 503, the molten plastic starts to flow into the inner flow channel 506 of the discharging channel, and finally, the plastic in the molten state enters into a mold for molding;
because the rubber shell is easy to be clamped on the discharge block 505 in the whole molding process, when the rubber box on one side is molded and cooled, the second electric push rod 10 on the fixed block 12 starts to work at the moment, the abutting block 11 is driven to abut against the discharge block 505, so that the whole discharge block 505 starts to move leftwards, meanwhile, the right molding rubber box which is lack of the attachment of the discharge block 505 falls off from the mold, the discharge block 505 which extends out of the left side of the shell 501 contacts with the mold plate 8 on the left side sliding plate 6 again to form a new mold, and meanwhile, the guide plate 504 in the whole feed chute 503 rotates clockwise for 120 degrees, so that molten plastic can enter the left side mold through the left side flow channel 506 to perform a new injection molding operation;
the temperature control jacket 4 positioned on one side of the shell 501 controls the temperature in the whole feed chute 503 in real time, and when the material is discharged from the material discharge block 505, the whole temperature control jacket 4 heats the whole feed chute 503 and the material discharge block 505, so as to avoid the cooling of molten plastic in the flow channel 506 and the blocking of plastic flow in a later molten state, and the preparation rate is improved by injection molding to prepare the PP plastic box when the two sides of the shell 501 are uninterrupted.
Example 3:
when the preparation of the whole plastic box made of PP material is finished, the plastic box falls onto the workbench 1, at the moment, a worker is required to manually put the formed plastic box onto the sleeve blocks 15 on two sides of the workbench 1, the whole plastic box is reversely buckled on the sleeve blocks 15 and is driven by the whole driving belt 13, the whole sleeve blocks 15 are fixed on the driving belt 13, meanwhile, the plastic box edge injection burrs are required to be cut, the surface preliminary treatment operation of the whole plastic box is finished, a cushion sleeve 14 is sleeved on the periphery of the sleeve blocks 15, and the later cutting device is prevented from directly acting on the driving belt 13 to cause the damage of the belt;
the third electric push rod 16 is arranged on the workbench 1 as shown in fig. 6, meanwhile, a shearing shell 17 is also arranged at one end of the third electric push rod 16, the whole shearing shell 17 is 5mm larger than the size of the glue box mechanism 28, meanwhile, a limiting shell 18 is slidably connected in the shearing shell 17, the whole limiting shell 18 and the glue box mechanism 28 are the same in shape and 3mm larger in size, in order to tightly press the glue box on the whole sleeve block 15, the side edges 283 and the cover edges 282 on two sides of the box body 281 are flatly paved on the base plate 19 on the cushion sleeve 14, and burrs on the side edges 283 and the cover edges 282 of the box body 281 can be cut after the third electric push rod 16 is pressed downwards;
the PP rubber box with the burrs cut starts to move on the right side under the drive of the driving belt 13, after the PP rubber box contacts with the baffle 20 arranged on one side of the workbench 1, the crushed burrs cut out by pressing and positioned on the cushion cover 14 can directly fall into the slag receiving box 22, and the whole rubber box can be driven by the cushion cover 14 to a certain distance and then falls into the material receiving box 21 positioned on one side of the slag receiving box 22, so that the collection work of the whole PP rubber box is completed.
Working principle:
firstly, a worker pours necessary plastic particles, PP resin and plasticizer, namely high-temperature resistant flame retardant raw materials into an extrusion molding discharging device 2 from a feed hopper 3, and starts the whole extrusion molding discharging device 2 and simultaneously puts nonmetallic mineral powder materials such as calcium carbonate, talcum powder, mica powder, wollastonite powder and the like into a box 231 in a vibration screening mechanism 23, a power device positioned at one side of the box 231 is started, the power device drives a rotating shaft 26 positioned at one side of the box 231 to rotate, an inclined sleeve 27 is slidingly connected to the top of the rotating shaft 26, the whole inclined sleeve 27 also rotates along with the rotation of the rotating shaft 26, and continuously strikes a sieve plate 235 on an extrusion connecting column 234, so that the whole sieve plate 235 shakes left and right in the discharging groove 233, and further the modifier falling on the sieve plate 235 is filtered;
the partially agglomerated medicament particles come to one side of the pressing plate 236 along the discharge groove 233, are continuously impacted by the pressing plate 236 to realize the crushing of the agglomerated medicament, and the modifier after screening and crushing also enters the extrusion molding discharging device 2 along the feed hopper 3 and is fully stirred and mixed with the molten plastic in the extrusion molding discharging device 2;
when injection molding is needed, the first electric push rod 9 positioned on the fixed block 12 stretches, the abutting block 11 positioned at one end of the first electric push rod 9 starts to contact with the limiting block 507 and pushes the whole discharging block 505 to the right, meanwhile, the feeding groove 503 positioned at the other side of the discharging block 505 starts to be filled with plastic in a molten state, and the molten plastic starts to flow into the inner flow channel 506 of the discharging channel due to the guiding effect of the guide plate 504 in the feeding groove 503, and finally, the plastic in the molten state enters into a mold for molding;
after the rubber box in the mold is cooled and molded, the second electric push rod 10 on the fixed block 12 starts to work, and drives the abutting block 11 to abut against the discharging block 505, so that the whole discharging block 505 starts to move leftwards, meanwhile, the discharging block 505 which is lack of the abutting of the discharging block 505 is attached to the right side molding rubber box to fall off from the mold, the discharging block 505 which extends out of the left side of the shell 501 contacts with the template 8 on the left side sliding plate 6 again to form a new mold, and meanwhile, the guide plate 504 in the whole feeding groove 503 rotates clockwise for 120 degrees, so that molten plastic can enter the left side mold through the left side flow channel 506 to perform a new injection molding operation;
the plastic box falling onto the workbench 1 is manually placed onto the sleeve block 15, when the sleeve block 15 with the plastic box moves to the bottom of the shearing shell 17, the third electric push rod 16 presses downwards at this time, so that the limiting shell 18 presses the plastic box on the whole sleeve block 15, the subsequent shearing shell 17 cuts burrs on the side edge 283 and the cover edge 282 of the box body 281, the burr-removed PP plastic box starts to move on the right side under the driving of the driving belt 13, after the PP plastic box contacts with the baffle 20 arranged on one side of the workbench 1, the pressed and cut burr particles on the cushion cover 14 can directly fall into the slag box 22, and the whole plastic box can be driven by the cushion cover 14 to fall into the material box 21 positioned on one side of the slag box 22 after a distance, so that the injection molding of the whole PP plastic box, namely the surface preliminary treatment operation, is completed.
The foregoing is merely illustrative and explanatory of the invention, as it is well within the scope of the invention as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the invention as defined in the accompanying claims.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. The production process of the environment-friendly PP plastic packaging box is characterized by comprising the following steps of: the environment-friendly PP plastic packaging box is a glue box mechanism (28);
s1: raw materials of the preparation glue box mechanism (28): weighing the following components in parts by weight: 30-45 parts of PP resin, 0.3-0.5 part of stabilizer, 1-3 parts of lubricant, 6-10 parts of plasticizer, 0.5-1 part of modifier and 3-6 parts of high-temperature-resistant flame-retardant component;
s2: screening and crushing the modifier and mixing the modifier with the melt;
s3: the quick injection molding of the rubber box mechanism (28) is to release the mold;
s4: conveying and surface treatment of the glue box mechanism (28);
the glue box mechanism (28) comprises a box body (281), a cover edge (282) and a side edge (283), and the glue box mechanism (28) is produced by the following equipment;
the top of the workbench (1) is provided with an extrusion molding discharging device (2), one side of the extrusion molding discharging device (2) is fixedly provided with a temperature control shell (4) through a bolt, one side of the temperature control shell (4) is provided with a discharging mechanism (5), the discharging mechanism (5) comprises a shell (501), an adjusting groove (502), a feeding groove (503) and a discharging block (505), one side of the temperature control shell (4) is fixedly provided with the shell (501) through a bolt, the discharging block (505) is slidably connected in the shell (501), one side of the shell (501) is provided with the adjusting groove (502), the other side of the shell (501) is provided with the feeding groove (503), two side inner walls of the feeding groove (503) are rotationally connected with guide plates (504), one side of the discharging block (505) which is positioned in the adjusting groove (502) is symmetrically provided with limiting blocks (507) through spot welding, and the side of the discharging block (505) is symmetrically provided with a runner (506);
the two sides of the shell (501) are symmetrically provided with sliding plates (6) at the top of the workbench (1), sliding columns (7) are slidably connected at the two sides of the sliding plates (6), templates (8) are symmetrically fixed on opposite surfaces of the two sliding plates (6) through bolts, a fixed block (12) is fixed on the top of the workbench (1) through bolts, a first electric push rod (9) and a second electric push rod (10) are arranged at one side of the fixed block (12), and one ends of the first electric push rod (9) and the second electric push rod (10) penetrate through an adjusting groove (502) and are fixed with a propping block (11) through spot welding;
the plastic extruding discharging device is characterized in that a feeding hopper (3) is arranged at the top of the plastic extruding discharging device (2), a vibration screening mechanism (23) is arranged at the top of the feeding hopper (3), the vibration screening mechanism (23) comprises a box body (231), a through groove (232), a discharging groove (233), a screen plate (235) and a pressing plate (236), the through groove (232) is formed in the box body (231), the discharging groove (233) is formed in the inner wall of one side of the through groove (232), the screen plate (235) is slidably connected to the inner wall of the discharging groove (233), a connecting column (234) is fixedly arranged on one side of the screen plate (235) penetrating through the groove (232) through spot welding, a spring (237) is sleeved on the opposite surface of the connecting column (234) and the connecting column (234), and the pressing plate (236) is fixedly arranged at the bottom of the screen plate (235) through spot welding;
a fourth electric push rod (24) is fixed on one side of the box body (231) through a bolt, a limiting disc (25) is fixed at one end of the fourth electric push rod (24) through spot welding, a rotating shaft (26) is rotatably connected to one side of the box body (231), an inclined sleeve (27) is slidably connected to the top of the rotating shaft (26), and one side of the inclined sleeve (27) of one side of the limiting disc (25) is clamped;
a driving belt (13) is arranged on one side of the workbench (1), a sleeve block (15) is uniformly fixed at the top of the driving belt (13), a cushion sleeve (14) is sleeved on the sleeve block (15), a base plate (19) is uniformly adhered on one side of the cushion sleeve (14), a baffle (20) is fixed on one side of the cushion sleeve (14) and on the workbench (1) through spot welding, and a receiving box (21) and a slag receiving box (22) are respectively arranged on one side of the workbench (1) and at the bottom of the cushion sleeve (14);
the top of workstation (1) is fixed with third electric putter (16) through the bolt, and is located the one end of third electric putter (16) and runs through workstation (1) and be fixed with shearing shell (17), and is located the inner wall sliding connection of shearing shell (17) and have spacing shell (18).
2. The process for producing the environment-friendly PP plastic packaging box according to claim 1, wherein the modifier comprises calcium carbonate, talcum powder, mica powder and wollastonite powder, and the high-temperature-resistant flame-retardant component comprises polyethylene, low-smoke halogen-free flame-retardant polyolefin, chlorinated polyether and polyurethane elastomer.
3. The production process of the environment-friendly PP plastic packaging box according to claim 1, wherein the screening and crushing time of the modifier in S2 in the vibration screening mechanism (23) is 5-10min, the temperature is 35 ℃, and the melting and mixing temperature of the raw materials of the plastic box mechanism (28) in the extrusion molding discharging device (2) is 150-160 ℃.
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| DE10012532A1 (en) * | 2000-03-15 | 2001-09-27 | Remaplan Anlagenbau Gmbh | Transfer molding of recycled plastic mixtures containing thermoplastic polyesters and modifiers comprises heating and drying polyesters, adding modifiers to product in plasticising unit and injecting molten mixture into mold |
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| CN215550046U (en) * | 2021-08-19 | 2022-01-18 | 山东中艺橡塑有限公司 | Mould row masterbatch and cut grain vibrating device |
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| US6290882B1 (en) * | 1999-06-07 | 2001-09-18 | Galic Maus Ventures Llp | Reduced-knitline thermoplastic injection molding using multi-gated non-sequential-fill method and apparatus, with a heating phase and a cooling phase in each molding cycle |
| DE10012532A1 (en) * | 2000-03-15 | 2001-09-27 | Remaplan Anlagenbau Gmbh | Transfer molding of recycled plastic mixtures containing thermoplastic polyesters and modifiers comprises heating and drying polyesters, adding modifiers to product in plasticising unit and injecting molten mixture into mold |
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| CN116285094A (en) | 2023-06-23 |
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