CN115139482A - Injection molding device and injection molding method for disposable tableware - Google Patents
Injection molding device and injection molding method for disposable tableware Download PDFInfo
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- CN115139482A CN115139482A CN202210258617.8A CN202210258617A CN115139482A CN 115139482 A CN115139482 A CN 115139482A CN 202210258617 A CN202210258617 A CN 202210258617A CN 115139482 A CN115139482 A CN 115139482A
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims description 23
- 239000002994 raw material Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 239000000047 product Substances 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 10
- 238000005485 electric heating Methods 0.000 claims description 7
- 229920001169 thermoplastic Polymers 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 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 description 3
- 229920002472 Starch Polymers 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009499 grossing Methods 0.000 claims description 3
- 239000004014 plasticizer Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- -1 polybutylene succinate Polymers 0.000 claims description 3
- 229920002961 polybutylene succinate Polymers 0.000 claims description 3
- 239000004631 polybutylene succinate Substances 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- 230000003449 preventive effect Effects 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
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
- B29C45/84—Safety devices
-
- 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
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides an injection molding device and an injection molding method for disposable tableware. The injection molding device of the disposable tableware comprises: a base; the bottom of shell is fixed in the top of base, the top fixedly connected with material case of shell, the top of material case is provided with the feed chute, the bottom of material case is provided with ejection of compact mouth, the equal fixedly connected with dead lever in both sides of material bottom of the case portion. According to the injection molding device and the injection molding method for the disposable tableware, the upper mold and the lower mold are more accurately matched, the upper mold and the lower mold cannot collide with each other, the damage of the molds is avoided, the upper mold and the lower mold can be buffered through the first spring during matching, the molds are further protected and prevented from being impacted, the top plate can be automatically ejected out after the injection molding of products is completed, the demolding is more convenient, and the use convenience is improved.
Description
Technical Field
The invention relates to the field of disposable tableware, in particular to an injection molding device and an injection molding method of disposable tableware.
Background
With the continuous improvement of living standard of people, various disposable tableware articles come out endlessly, and various disposable tableware used in different occasions are continuously provided, and the permeability of the disposable tableware is far higher in the first-line city than in the second-and third-city cities and rural areas.
The plastic tableware is produced by an injection molding machine, which is also called an injection molding machine or an injection machine, and is the main molding equipment for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die.
In the correlation technique, when the current injection molding device is used, when the upper module and the lower module are combined and disassembled, the module swings to a large extent, the modules are not easy to combine, and when the modules collide with each other, the modules are easy to damage, and after tableware is molded, the demoulding is difficult and the use is inconvenient.
Therefore, it is necessary to provide an injection molding apparatus for disposable tableware and an injection molding method thereof to solve the above-mentioned technical problems.
Disclosure of Invention
The invention provides an injection molding device and an injection molding method for disposable tableware, which solve the problem of inconvenience in use.
In order to solve the above technical problems, the present invention provides an injection molding apparatus for disposable tableware, comprising: a base;
the bottom of the shell is fixed to the top of the base, the top of the shell is fixedly connected with a material box, the top of the material box is provided with a feeding groove, the bottom of the material box is provided with a discharging nozzle, and two sides of the bottom of the material box are fixedly connected with fixing rods;
the right side of the U-shaped plate is connected to the right side of the inner wall of the shell in a sliding mode, the right side of the inner wall of the U-shaped plate is connected with a sliding block in a sliding mode, the right side of the inner wall of the U-shaped plate is fixedly connected with a fixed block, the left side of the sliding block is detachably connected with an upper die through a bolt, an injection molding opening is formed in the top of the upper die, the left side of the fixed block is detachably connected with a lower die through a bolt, and a first spring is arranged between the opposite sides of the fixed block and the sliding block;
the top of the first cylinder is fixed on the top of the inner wall of the shell, the first cylinder is connected with an external power supply through a control switch, and the bottom of the first cylinder is fixed on the top of the U-shaped plate.
The top of the inner wall of the upper die is fixedly connected with two pressing plates, a top plate is connected between two sides of the inner wall of the lower die in a sliding mode, grooves are formed in two sides of the bottom of the inner wall of the lower die, and second springs are arranged between the bottoms of the two inner walls of the grooves and the bottom of the top plate.
And the two separated sides of the pressing plates are fixed on the two sides of the inner wall of the upper die, and the distance between the bottoms of the pressing plates and the bottom of the upper die is equal to the distance between the bottom of the top plate and the bottom of the inner wall of the lower die.
The bottom fixedly connected with first heat-conducting plate of roof, the through-hole has been seted up to the bottom of bed die, fixedly connected with second heat-conducting plate between the both sides of through-hole inner wall.
The bottom fixedly connected with second cylinder of shell inner wall, the second cylinder passes through control switch and is connected with external power supply, the top fixedly connected with heat transfer board of second cylinder, the inside of heat transfer board is provided with cooling coil, cooling coil's both ends are provided with first joint and second respectively and connect, the inside of heat transfer board is provided with a plurality of electric heating wire assembly, and electric heating wire assembly passes through control switch and is connected with external power supply.
The utility model discloses a cooling tank, including base, frame inner wall, sucking pump, cooling tank, sucking pump, second connecting pipe, first hose, the bottom intercommunication of cooling tank has the second hose, the top fixedly connected with frame of base, the bottom fixedly connected with water tank of frame inner wall, the top fixedly connected with sucking pump and the cooling tank of frame inner wall, the sucking pump with the intercommunication has first connecting pipe between the water tank, the sucking pump with the intercommunication has the second connecting pipe between the cooling tank, the right side intercommunication of water tank has first hose, the bottom intercommunication of cooling tank has the second hose.
The top fixedly connected with driving motor of material case, driving motor's output shaft fixedly connected with dwang, the bottom of dwang runs through the material case and extends to the inside of material case, the outer fixed surface of dwang is connected with a plurality of stirring leaf, the bottom fixedly connected with rotating head of dwang.
The top and the bottom of stirring leaf all are provided with the auxiliary leaf, the surface of rotating head is provided with the spiral line.
A method for injection molding disposable tableware, comprising the following steps:
s1, selecting raw materials according to specific gravity, feeding the raw materials into a material box for mixing, closing an upper die and a lower die, feeding the raw materials into an injection molding opening through a discharge nozzle, and molding the raw materials in the upper die and the lower die to obtain a primary product;
s2, conveying the primary product into die cutting equipment to remove burrs, and then performing smoothing treatment through polishing equipment to obtain a semi-finished product;
and S3, sterilizing the semi-finished product, and then performing thermoplastic film packaging by using a thermoplastic packaging machine.
The S1 raw materials comprise the following components in parts by weight: 20-30 parts of plant starch, 5-15 parts of polybutylene succinate, 1-10 parts of a plasticizer, 1-10 parts of glass fiber, 1-5 parts of a preservative, 1-5 parts of a flame retardant, 1-3 parts of a mildew preventive, 5-8 parts of an auxiliary agent and 15-30 parts of water.
Preferably, it is as described.
Compared with the related art, the injection molding device and the injection molding method of the disposable tableware provided by the invention have the following beneficial effects:
the invention provides an injection molding device and an injection molding method of disposable tableware, which enable the upper die and the lower die to be more accurately matched, the upper die and the lower die cannot collide with each other, so that the damage of the die is avoided, the upper die and the lower die can be buffered through a first spring during matching, the die is further protected and prevented from being impacted, the upper die and the lower die can be automatically ejected through a top plate after the injection molding of a product is finished, the demoulding is more convenient, and the use convenience is improved.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of an injection molding apparatus for disposable tableware according to the present invention;
FIG. 2 is a schematic cross-sectional view of the upper and lower dies shown in FIG. 1;
FIG. 3 is a top cross-sectional view of the heat exchange panel shown in FIG. 1;
FIG. 4 is a schematic structural view of a second embodiment of the injection molding device for disposable tableware according to the present invention.
Reference numbers in the figures: 1. the device comprises a base, 2, a shell, 3, a material box, 4, a feeding groove, 5, a discharging nozzle, 6, a fixing rod, 7, a U-shaped plate, 8, a sliding block, 9, a fixing block, 10, an upper die, 11, an injection molding opening, 12, a lower die, 13, a first spring, 14, a first air cylinder, 15, a pressing plate, 16, a top plate, 17, a groove, 18, a second spring, 19, a first heat conducting plate, 20, a through hole, 21, a second heat conducting plate, 22, a second air cylinder, 23, a heat exchange plate, 24, a cooling coil, 25, a first joint, 26, a second joint, 27, an electric heating wire component, 28, a frame, 29, a water tank, 30, a suction pump, 31, a cooling tank, 32, a first connecting pipe, 33, a second connecting pipe, 34, a first hose, 35, a second hose, a rotating rod, a driving motor, 37, 39, a rotating head, 40, an auxiliary blade, 41 and spiral grains.
Detailed Description
The invention is further described below with reference to the drawings and the embodiments.
First embodiment
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of a first embodiment of an injection molding device for disposable tableware according to the present invention; FIG. 2 is a schematic cross-sectional view of the upper and lower dies shown in FIG. 1; fig. 3 is a top sectional view of the heat exchanger plate shown in fig. 1. The injection molding device for disposable tableware comprises: a base 1;
the bottom of the shell 2 is fixed to the top of the base 1, the top of the shell 2 is fixedly connected with a material tank 3, the top of the material tank 3 is provided with a feeding groove 4, the bottom of the material tank 3 is provided with a discharging nozzle 5, and two sides of the bottom of the material tank 3 are fixedly connected with fixing rods 6;
the right side of the U-shaped plate 7 is connected to the right side of the inner wall of the shell 2 in a sliding mode, the right side of the inner wall of the U-shaped plate 7 is connected with a sliding block 8 in a sliding mode, the right side of the inner wall of the U-shaped plate 7 is fixedly connected with a fixed block 9, the left side of the sliding block 8 is detachably connected with an upper mold 10 through a bolt, an injection port 11 is formed in the top of the upper mold 10, the left side of the fixed block 9 is detachably connected with a lower mold 12 through a bolt, and a first spring 13 is arranged between one side, opposite to the sliding block 8, of the fixed block 9;
the top of the first air cylinder 14 is fixed on the top of the inner wall of the shell 2, and the bottom of the first air cylinder 14 is fixed on the top of the U-shaped plate 7.
The top of the inner wall of the upper mold 10 is fixedly connected with two pressing plates 15, a top plate 16 is connected between two sides of the inner wall of the lower mold 12 in a sliding mode, grooves 17 are formed in two sides of the bottom of the inner wall of the lower mold 12, and second springs 18 are arranged between the bottoms of the inner walls of the two grooves 17 and the bottom of the top plate 16.
After the upper die 10 and the lower die 12 are closed, the two pressing plates 15 enter the lower die 12 to extrude the top of the top plate 16, so that the top plate 16 moves downwards to the bottom close to the inner wall of the lower die 12, the two second springs 18 are compressed, and the compressed second springs 18 can be accommodated by the two grooves 17.
The two pressing plates 15 are fixed on two sides of the inner wall of the upper mold 10, and the distance between the bottom of the pressing plate 15 and the bottom of the upper mold 10 is equal to the distance between the bottom of the top plate 16 and the bottom of the inner wall of the lower mold 12.
The bottom of the top plate 16 is fixedly connected with a first heat-conducting plate 19, the bottom of the lower die 12 is provided with a through hole 20, and a second heat-conducting plate 21 is fixedly connected between two sides of the inner wall of the through hole 20.
The first heat-conducting plate 19 is matched with the through holes 20 and has a thickness half of the depth of the through holes 20, the second heat-conducting plate 21 also has a thickness half of the depth of the through holes 20, and when the bottom of the top plate 16 is attached to the bottom of the inner wall of the lower die 12, the bottom of the first heat-conducting plate 19 is attached to the top of the second heat-conducting plate 21.
The bottom fixedly connected with second cylinder 22 of shell 2 inner wall, the top fixedly connected with heat transfer board 23 of second cylinder 22, the inside of heat transfer board 23 is provided with cooling coil 24, cooling coil 24's both ends are provided with first joint 25 and second joint 26 respectively, the inside of heat transfer board 23 is provided with a plurality of electric heating wire assembly 27.
When moulding plastics after upper die utensil 10 and bed die 12 compound die, through the extension of second cylinder 22, make heat transfer board 23 rebound, hug closely in the bottom of second heat-conducting plate 21, through electric heating wire assembly 27's start-up, can make heat transfer board 23 heat-rising, give second heat-conducting plate 21 with the temperature transfer afterwards, give first heat-conducting plate 19 through second heat-conducting plate 21 transfer, give roof 16 and whole bed die 12 afterwards, make when moulding plastics the work, play the preheating function, after preventing to mould plastics the raw materials and enter into the mould, produce the condition of condensing in the twinkling of an eye.
The top fixedly connected with frame 28 of base 1, the bottom fixedly connected with water tank 29 of frame 28 inner wall, the top fixedly connected with suction pump 30 and the cooling tank 31 of frame 28 inner wall, suction pump 30 with the intercommunication has first connecting pipe 32 between the water tank 29, suction pump 30 with the intercommunication has second connecting pipe 33 between the cooling tank 31, the right side intercommunication of water tank 29 has first hose 34, the bottom intercommunication of cooling tank 31 has second hose 35.
The other end of the first hose 34 is connected to the first joint 25, and the other end of the second hose 35 is connected to the second joint 26.
After the completion of moulding plastics, close electric heating wire assembly 27, through the start-up of sucking pump 30 afterwards, inhale the inside of cooling tank 31 with the inside water of water tank 29 and cool off, discharge into the inside of cooling coil 24 afterwards, cool down heat-exchanging plate 23, cool down second heat-conducting plate 21 afterwards for first heat-conducting plate 19 cools down, thereby make roof 16 and bed die 12 cool down, can carry out rapid cooling to the product after moulding plastics, the required time of greatly reduced shaping.
A method for injection molding disposable tableware, comprising the following steps:
s1, selecting raw materials according to specific gravity, feeding the raw materials into a material box for mixing, closing an upper die and a lower die, feeding the raw materials into an injection molding opening through a discharge nozzle, and molding the raw materials in the upper die and the lower die to obtain a primary product;
s2, conveying the primary product into die cutting equipment to remove burrs, and then performing smoothing treatment through polishing equipment to obtain a semi-finished product;
and S3, sterilizing the semi-finished product, and then performing thermoplastic film packaging by using a thermoplastic packaging machine.
The raw materials in the S1 comprise the following components in parts by weight: 20-30 parts of plant starch, 5-15 parts of polybutylene succinate, 1-10 parts of a plasticizer, 1-10 parts of glass fiber, 1-5 parts of a preservative, 1-5 parts of a flame retardant, 1-3 parts of a mildew preventive, 5-8 parts of an auxiliary agent and 15-30 parts of water.
The working principle of the injection molding device and the injection molding method of the disposable tableware provided by the invention is as follows:
select the raw materials according to the proportion, send into the material incasement portion with the raw materials and mix, shrink through first cylinder 14 afterwards, make U template 7 rebound, thereby make sliding block 8 and fixed block 9 rebound, and then make upper mould 10 and lower mould 12 rebound, it stops after dead lever 6 is contradicted to the top of upper mould 10, ejection of compact mouth 5 inserts the inside of mouth 11 of moulding plastics, U template 7 continues rebound this moment, can drive fixed block 9 rebound, make first spring 13 compression, lower mould 12 rebound, with upper mould 10 compound die, clamp plate 15 enters into lower mould 12 after, can contradict roof 16 and make roof 16 rebound, thereby make two second spring 18 compressions, it moulds plastics to go on through ejection of compact mouth 5 ejection of compact afterwards, after waiting to cool, through the extension of first cylinder 14, make U template 7 rebound, thereby make upper mould 10 and lower mould 12 die open the mould, second spring 18 resets because of elastic force, make roof 16 rebound, ejecting the product after will shaping.
Compared with the related art, the injection molding device and the injection molding method of the disposable tableware provided by the invention have the following beneficial effects:
according to the invention, the upper die 10 and the lower die 12 are more accurately matched, the upper die and the lower die do not collide with each other, the damage of the dies is avoided, the buffering can be carried out by the first spring 13 when the upper die 10 and the lower die are matched, the dies are further protected and are prevented from being impacted, the products can be automatically ejected out through the top plate 16 after the injection molding is finished, the demolding is more convenient, and the use convenience is increased.
Second embodiment
Referring to fig. 4, a second embodiment of the present application provides another injection molding apparatus for disposable tableware, based on the injection molding apparatus for disposable tableware provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference of the device of moulding plastics of disposable tableware that the second embodiment of this application provided lies in, the top fixedly connected with driving motor 36 of material case 3, driving motor 36's output shaft fixedly connected with dwang 37, the bottom of dwang 37 runs through material case 3 and extend to the inside of material case 3, the outer fixed surface of dwang 37 is connected with a plurality of stirring leaf 38, the bottom fixedly connected with rotating head 39 of dwang 37.
The top and the bottom of the stirring blade 38 are provided with auxiliary blades 40, and the outer surface of the rotating head 39 is provided with spiral threads 41.
The auxiliary stirring blades 38 can be used for assisting in stirring the raw materials through the auxiliary blades 40, so that the stirring area is increased, and the stirring and mixing are more thorough.
Compared with the related art, the injection molding device for disposable tableware provided by the invention has the following beneficial effects:
pour the raw materials into the inside back of material case 3, through driving motor 36's start-up, driving motor 36 is rotatory to be driven dwang 37 rotatory, and then makes stirring leaf 38 circular motion, stirs the raw materials, and dwang 37 is rotatory still can drive rotating head 39 rotatory, and rotating head 39 surface is provided with spiral line 41 to can carry the raw materials downwards, open the back when ejection of compact mouth 5, can carry the raw materials downwards, avoid appearing the condition that the ejection of compact blockked up.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (10)
1. An injection molding apparatus for disposable tableware, comprising: a base;
the bottom of the shell is fixed to the top of the base, the top of the shell is fixedly connected with a material box, the top of the material box is provided with a feeding groove, the bottom of the material box is provided with a discharging nozzle, and two sides of the bottom of the material box are fixedly connected with fixing rods;
the right side of the U-shaped plate is connected to the right side of the inner wall of the shell in a sliding mode, the right side of the inner wall of the U-shaped plate is connected with a sliding block in a sliding mode, the right side of the inner wall of the U-shaped plate is fixedly connected with a fixed block, the left side of the sliding block is detachably connected with an upper die through a bolt, an injection molding opening is formed in the top of the upper die, the left side of the fixed block is detachably connected with a lower die through a bolt, and a first spring is arranged between the opposite sides of the fixed block and the sliding block;
the top of first cylinder is fixed in the top of shell inner wall, the bottom of first cylinder is fixed in the top of U-shaped plate.
2. The injection molding device for disposable tableware according to claim 1, wherein two pressing plates are fixedly connected to the top of said upper mold inner wall, a top plate is slidably connected between two sides of said lower mold inner wall, grooves are formed on two sides of the bottom of said lower mold inner wall, and a second spring is arranged between the bottom of said two groove inner walls and the bottom of said top plate.
3. The injection molding device for disposable tableware according to claim 2, wherein the two pressing plates are fixed to both sides of the inner wall of said upper mold at the sides thereof away from each other, and the distance between the bottom of said pressing plate and the bottom of said upper mold is equal to the distance between the bottom of said top plate and the bottom of the inner wall of said lower mold.
4. The injection molding apparatus for disposable tableware according to claim 2, wherein a first heat conducting plate is fixedly connected to the bottom of said top plate, a through hole is opened in the bottom of said lower mold, and a second heat conducting plate is fixedly connected between both sides of the inner wall of said through hole.
5. The injection molding device for disposable tableware according to claim 1, wherein a second cylinder is fixedly connected to the bottom of the inner wall of the housing, a heat exchange plate is fixedly connected to the top of the second cylinder, a cooling coil is arranged inside the heat exchange plate, a first joint and a second joint are respectively arranged at two ends of the cooling coil, and a plurality of electric heating wire assemblies are arranged inside the heat exchange plate.
6. The injection molding device for disposable tableware according to claim 1, wherein a frame is fixedly connected to the top of the base, a water tank is fixedly connected to the bottom of the inner wall of the frame, a suction pump and a cooling tank are fixedly connected to the top of the inner wall of the frame, a first connecting pipe is communicated between the suction pump and the water tank, a second connecting pipe is communicated between the suction pump and the cooling tank, a first hose is communicated with the right side of the water tank, and a second hose is communicated with the bottom of the cooling tank.
7. The injection molding device of disposable tableware according to claim 1, wherein a driving motor is fixedly connected to the top of the material tank, an output shaft of the driving motor is fixedly connected with a rotating rod, the bottom end of the rotating rod penetrates through the material tank and extends to the inside of the material tank, a plurality of stirring blades are fixedly connected to the outer surface of the rotating rod, and a rotating head is fixedly connected to the bottom end of the rotating rod.
8. An injection molding apparatus for disposable tableware according to claim 7, wherein said stirring blade is provided with auxiliary blades at the top and bottom thereof, and the outer surface of said rotating head is provided with spiral veins.
9. An injection molding method of disposable tableware is characterized by comprising the following steps:
s1, selecting raw materials according to specific gravity, feeding the raw materials into a material box for mixing, closing an upper die and a lower die, feeding the raw materials into an injection molding opening through a discharge nozzle, and molding the raw materials in the upper die and the lower die to obtain a primary product;
s2, conveying the primary product into die cutting equipment to remove burrs, and then performing smoothing treatment through polishing equipment to obtain a semi-finished product;
and S3, sterilizing the semi-finished product, and then performing thermoplastic film packaging by using a thermoplastic packaging machine.
10. The injection molding method of disposable tableware according to claim 9, wherein said raw materials in S1 comprise the following weight group: 20-30 parts of plant starch, 5-15 parts of polybutylene succinate, 1-10 parts of a plasticizer, 1-10 parts of glass fiber, 1-5 parts of a preservative, 1-5 parts of a flame retardant, 1-3 parts of a mildew preventive, 5-8 parts of an auxiliary agent and 15-30 parts of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210258617.8A CN115139482A (en) | 2022-03-16 | 2022-03-16 | Injection molding device and injection molding method for disposable tableware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210258617.8A CN115139482A (en) | 2022-03-16 | 2022-03-16 | Injection molding device and injection molding method for disposable tableware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115139482A true CN115139482A (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210258617.8A Pending CN115139482A (en) | 2022-03-16 | 2022-03-16 | Injection molding device and injection molding method for disposable tableware |
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| CN (1) | CN115139482A (en) |
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| CN116922668A (en) * | 2023-09-19 | 2023-10-24 | 成都易联智通信息技术有限公司 | Injection mold for producing data acquisition device shell |
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