CN115847774A - One-step injection molding device and process for food-grade PE container for packaging health products - Google Patents
One-step injection molding device and process for food-grade PE container for packaging health products Download PDFInfo
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- CN115847774A CN115847774A CN202310188697.9A CN202310188697A CN115847774A CN 115847774 A CN115847774 A CN 115847774A CN 202310188697 A CN202310188697 A CN 202310188697A CN 115847774 A CN115847774 A CN 115847774A
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Abstract
The invention discloses a one-step injection molding device and process for a food-grade PE container for packaging health products, and belongs to the field of molding of health product packaging containers. The one-step injection molding device for the food-grade PE container for packaging the health care products comprises a device box with a discharge hole at the bottom, and further comprises two symmetrically arranged first telescopic devices which are respectively and fixedly connected to the inner walls of two sides of the device box, wherein the inner walls of two sides of the device box are also fixedly connected with two symmetrically arranged second telescopic devices, and the telescopic ends of the two first telescopic devices are fixedly connected with two mutually symmetrical bottle body molds; the injection molding and blow molding process of the health product container is greatly shortened, so that the heat loss speed of the blank is reduced, more heating temperatures are not required to be provided during blow molding, the processing efficiency of the health product container is improved, and the electric energy consumption during blank electric heating is reduced.
Description
Technical Field
The invention relates to the technical field of forming of health-care product packaging containers, in particular to a one-step injection molding device and process of a food-grade PE container for packaging health-care products.
Background
The health care product is food with specific health care function, and is mostly contained in a plastic packaging container. At present, polyethylene is the mainstream material adopted by plastic packaging containers, because Polyethylene (PE) is nontoxic, and the health-care product packaging containers made of polyethylene have good moisture resistance and solvent resistance, and are not influenced by strong acid and strong base.
When the packaging container for the health care products is produced, a blank in a shape of a beaker needs to be produced through injection molding equipment at first, and then the tail part of ingredients is blown up through blow molding equipment, so that the health care product container with a thick bottle body and a small bottle opening is obtained.
Disclosure of Invention
The invention aims to solve the problem of low production efficiency of a health-care product container in the prior art, and provides a one-step injection molding device and process for a food-grade PE container for packaging health-care products.
In order to achieve the purpose, the invention adopts the following technical scheme: the one-step injection molding device for the food-grade PE container for packaging the health care products comprises a device box with a discharge port at the bottom, and further comprises two symmetrically arranged first telescopic devices which are respectively and fixedly connected to the inner walls on two sides of the device box, wherein the inner walls on two sides of the device box are also fixedly connected with two symmetrically arranged second telescopic devices, the telescopic ends of the two first telescopic devices are fixedly connected with two mutually symmetrical bottle body molds, the telescopic ends of the two second telescopic devices are fixedly connected with two mutually symmetrical bottle mouth molds, the inner diameters of the bottle body molds and the bottle mouth molds are the same, and the outer wall of the device box is provided with a chute matched with the two bottle mouth molds; the two symmetrically arranged blow molds are arranged in the device box and are respectively positioned at two sides of the discharge hole, wherein concave holes matched with the outer wall of the bottle mouth mold are formed at the shaft ends of the two blow molds, and an automatic translation assembly for driving the two blow molds to horizontally move is arranged in the device box; the two semicircular openings which are symmetrically arranged are respectively arranged on the two opposite surfaces of the bottle mouth mold, wherein, the two semicircular openings are internally inserted with a cylindrical mold which extends into the bottle body mold, a beaker-shaped injection molding cavity is formed between the cylindrical mold and the inner walls of the bottle mouth mold and the bottle body mold, and the cylindrical mold is provided with an injection molding pipe and a blowing molding pipe.
In order to drive the blowing mold to automatically buckle on two bottleneck molds, preferably, the automatic translation subassembly is connected including rotating two first threaded rods of device incasement wall, two first threaded rods are parallel with the axis of cylindricality mould, two all be connected with on the first threaded rod with device incasement wall sliding connection's slide, wherein, two the opposite face of slide all is connected with the push rod through elastic telescoping mechanism, two the blowing mold is fixed connection respectively on two push rods.
In order to automatically drive the first threaded rod to rotate, further, two equal fixed mounting has driven gear on the outer wall of first threaded rod, equal fixedly connected with respectively with two driven gear complex racks on two body moulds.
In order to drive two blow mold and be close to each other, furtherly, elastic stretching mechanism is including setting up the slide opening of slide lateral wall, push rod sliding connection is in the slide opening, through reset spring elastic connection between the inner wall of push rod and slide opening, wherein, the inner wall fixedly connected with of device case is located cylindricality mould both sides direction riser, two the equal fixedly connected with in end of direction riser respectively with the direction swash plate that two blow mold outer walls offset.
In order to drive the cylindrical mold to be separated from the bottle body mold, further, one end of each of the two first threaded rods is fixedly connected with a second threaded rod, the outer wall of each of the two second threaded rods is in threaded connection with a sliding rod, and the cylindrical mold is fixedly connected with the sliding rod.
In order to improve the efficiency of the blow molding die for discharging products, furthermore, two spray pipes are fixedly arranged in the inner wall of the blow molding die, and the two groups of spray pipes are provided with air blowing holes extending into the blow molding die.
In order to make the blow mold vibrate and facilitate blanking, furthermore, the side walls of the two inclined guide plates are fixedly connected with a plurality of arc-shaped convex blocks which are linearly distributed, and when the blow mold slides on the inclined guide plates, the blow mold can be sequentially contacted with the arc-shaped convex blocks.
In order to enable the spray pipe not to be externally connected with an air pump, furthermore, a piston which is connected in the sliding hole in a sliding mode is fixedly installed on the outer wall of the push rod, an air suction pipe and an exhaust pipe which are communicated with the sliding hole are fixedly connected to the outer wall of the sliding plate, and the tail end of the exhaust pipe is fixedly connected and communicated with the spray pipe through a connecting pipe.
In order to make the degree of automation higher, preferably, the telescopic end of the second telescopic device is fixedly provided with a tension sensor, and when the bottle mouth mold is subjected to axial tension, the tension sensor transmits a signal to the controller and starts the second telescopic device through the controller.
A forming process of a food-grade PE container for packaging health products comprises the following operation steps:
step 1: injecting raw materials into the injection molding cavity through the injection molding pipe, wherein the raw materials form a beaker-shaped blank in the injection molding cavity;
and 2, step: the two bottle body molds are driven to be separated from two sides of the blank by first telescopic equipment;
and step 3: the two blow molding molds which are mutually closed are buckled at the lower ends of the two bottle mouth molds;
and 4, step 4: blowing the blank through the blowing pipe, wherein the tail part of the blank can expand to finish the forming work of the blank;
and 5: make two first telescopic equipment drive two body moulds and be close to each other once more, the container that the processing was accomplished can be to the discharge gate landing.
Compared with the prior art, the invention provides a one-step injection molding device for a food-grade PE container for packaging health products, which has the following beneficial effects:
1. according to the one-step injection molding device for the food-grade PE container for packaging the health-care products, raw materials are injected into an injection molding cavity through an injection molding pipe, then two bottle body molds are driven to be separated from two sides of a blank through a first telescopic device, and the blank is blown through a blowing pipe, so that the blank molding work can be completed;
2. according to the one-step injection molding device for the food-grade PE container for packaging the health care products, the two bottle body molds are driven to be close to each other through the first telescopic equipment, the two first threaded rods can be reversed, the two push rods can drive the two blow molds to be away from each other for resetting, and the outer wall of the container and the inner wall of the blow mold are cylindrical, so that the processed container can slide to a discharge port, the automatic blanking work of the container can be completed, and the automation degree is greatly improved;
3. according to the one-step injection molding device for the food-grade PE container for packaging the health care products, when two blow molding dies are driven to be away from each other through the two push rods, the sliding hole can convey the air inside the injection pipe through the exhaust pipe, and finally the air is blown into the blow molding dies from the air blowing holes, so that the container clamped in the blow molding dies can be blown down, and the blanking efficiency is improved;
4. according to the one-step injection molding device for the food-grade PE container for packaging the health care products, when two blow molding dies are far away from each other, the outer walls of the blow molding dies can slide across the two inclined guide plates, the two blow molding dies can vibrate due to the cambered surface bumps on the two inclined guide plates, and the container in the vibrating blow molding dies can be loosened, so that the blanking efficiency is further improved;
5. according to the one-step injection molding device for the food-grade PE container for packaging the health care products, the two first threaded rods drive the two second threaded rods to rotate, the two second threaded rods can drive the slide rod to be far away from the device box, and the slide rod can drive the cylindrical mold to be pulled out from the two bottle body molds, so that when the blow molding pipe is blown, gas can more uniformly enter a blank instead of being located at the inner bottom of the blank.
Drawings
FIG. 1 is a schematic view of a cross-sectional structure of a food-grade PE container one-step injection molding device for packaging health products according to the present invention;
FIG. 2 is a schematic view of a second perspective axial-measurement structure of the one-step injection molding device for food-grade PE containers for packaging health products according to the present invention;
FIG. 3 is a schematic view of a top-down cut-away structure of the one-step injection molding device for food-grade PE containers for packaging health products, which is provided by the invention;
FIG. 4 is a schematic structural view of a blow-molding state of the one-step injection molding device for food-grade PE containers for packaging health products, according to the present invention;
FIG. 5 is an enlarged view of part A in FIG. 3 of the one-step injection molding apparatus for food-grade PE containers for packaging health products according to the present invention;
FIG. 6 is an enlarged view of part B in FIG. 3 of the one-step injection molding apparatus for food-grade PE containers for packaging health products according to the present invention;
fig. 7 is a sectional structural schematic view of a blow mold of the one-step injection molding device for the food-grade PE container for packaging health products, which is provided by the invention.
In the figure: 1. a device case; 2. a discharge port; 3. a first telescopic device; 4. a bottle body mold; 5. a second telescopic device; 6. a bottle mouth mold; 7. a chute; 8. a cylindrical mold; 9. a semicircular opening; 10. blowing the tube; 11. injection molding a tube; 12. a first threaded rod; 13. a slide plate; 14. a rack; 15. a driven gear; 16. a blow mold; 17. a guide vertical plate; 18. a guide sloping plate; 19. a slide hole; 20. a push rod; 21. a return spring; 22. a piston; 23. an exhaust pipe; 24. an air suction pipe; 25. a nozzle; 26. a gas blowing hole; 27. concave holes; 28. a second threaded rod; 29. a slide bar; 30. a cambered surface bump; 31. a tension sensor; 32. an injection molding cavity; 33. and (5) blank forming.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-7, the one-step injection molding device for food-grade PE containers for packaging health products comprises a device box 1 having a discharge port 2 at the bottom, and further comprises two symmetrically arranged first telescopic devices 3 fixedly connected to inner walls on both sides of the device box 1, respectively, wherein the inner walls on both sides of the device box 1 are further fixedly connected with two symmetrically arranged second telescopic devices 5, telescopic ends of the two first telescopic devices 3 are fixedly connected with two bottle body molds 4 that are mutually symmetrical, telescopic ends of the two second telescopic devices 5 are fixedly connected with two bottle mouth molds 6 that are mutually symmetrical, inner diameters of the bottle body molds 4 and the bottle mouth molds 6 are the same, and a chute 7 that is matched with the two bottle mouth molds 6 is arranged on the outer wall of the device box 1; the two symmetrically arranged blow molds 16 are arranged in the device box 1 and are respectively positioned at two sides of the discharge port 2, wherein concave holes 27 matched with the outer wall of the bottle mouth mold 6 are respectively arranged at the shaft ends of the two blow molds 16, and an automatic translation assembly for driving the two blow molds 16 to horizontally move is arranged in the device box 1; two semi-circular openings 9 that the symmetry set up, set up respectively in two bottleneck moulds 6 opposite faces, wherein, inject the cylindricality mould 8 that has extended to in the body mould 4 in two semi-circular openings 9, form the beaker shape injection molding chamber 32 between the inner wall of cylindricality mould 8 and bottleneck mould 6 and body mould 4, be equipped with injection molding pipe 11 and blow molding pipe 10 on the cylindricality mould 8, bottleneck mould 6, cylindricality mould 8, body mould 4 and blow molding mould 16 all possess conventional heating, heat dissipation and carminative function, and the inner wall of bottleneck mould 6 still is equipped with the thread groove, be used for making the bottleneck of blank 33 produce the external screw thread.
When the injection molding machine is used, raw materials are injected into the injection molding cavity 32 through the injection molding pipe 11, the raw materials form a beaker-shaped blank 33 in the injection molding cavity 32, at the moment, the two bottle body molds 4 are driven to be separated from two sides of the blank 33 through the first telescopic device 3, during the separation, the two bottle body molds 4 can drive the two blow molding molds 16 to be mutually closed through the automatic translation assembly and just buckled at the lower ends of the two bottleneck molds 6, at the moment, the blank 33 is blown through the injection molding pipe 10, the tail part of the blank 33 can be expanded and limited by the inner walls of the two blow molding molds 16, and the molding work of the blank 33 can be completed. Reduced blank 33 heat loss speed, need not to provide more intensification temperatures during messenger's blowing, the machining efficiency of health products container has not only been promoted, power consumption when still having reduced blank 33 electrical heating, after the blowing, make two first telescoping device 3 drive two body moulds 4 and be close to each other once more, meanwhile, drive two bottleneck moulds 6 alternate segregation through two second telescoping device 5, the external screw thread of blank 33 bottleneck no longer blocks in bottleneck mould 6, two blow mould 16 then can drive the container that the blowing was accomplished and remove discharge gate 2 department, and two blow mould 16 can keep away from each other and reset, because container outer wall and blow mould 16 inner wall are cylindrically, then the container that processing was accomplished can be to discharge gate 2 landing, can accomplish the automatic unloading work of container.
Example 2
Referring to fig. 1-4 and 7, essentially the same as in example 1, further, specific embodiments of an automatic translation assembly are specifically disclosed.
The automatic translation assembly comprises two first threaded rods 12 which are rotatably connected to the inner wall of the device box 1, the two first threaded rods 12 are parallel to the axis of the cylindrical mold 8, the two first threaded rods 12 are connected with sliding plates 13 which are slidably connected with the inner wall of the device box 1, opposite surfaces of the two sliding plates 13 are connected with push rods 20 through elastic telescopic mechanisms, and two blow molding molds 16 are respectively and fixedly connected to the two push rods 20; driven gears 15 are fixedly mounted on the outer walls of the two first threaded rods 12, and racks 14 matched with the two driven gears 15 are fixedly connected to the two body molds 4 respectively.
During the separation of the two bottle body molds 4, the two bottle body molds 4 can drive the two racks 14 to slide through the two driven gears 15, the two driven gears 15 can drive the two first threaded rods 12 to rotate, the two first threaded rods 12 can drive the two sliding plates 13 to horizontally slide, the two sliding plates 13 can drive the two blow molds 16 to move towards the two blanks 33 through the two push rods 20, during the separation, the elastic telescopic mechanism can drive the two blow molds 16 to approach each other, until the two blow molds 16 lean against the two guide vertical plates 17, the two blow molds 16 can be completely closed, the two blow molds 16 which are mutually closed can be just buckled at the lower ends of the two bottleneck molds 6, at this time, the blanks 33 are blown through the blow pipe 10, the tails of the blanks 33 can expand and are limited by the inner walls of the two blow molds 16, and the molding work of the blanks 33 can be completed.
Furthermore, one end of each of the two first threaded rods 12 is fixedly connected with a second threaded rod 28, the outer wall of each of the two second threaded rods 28 is connected with a sliding rod 29 in a threaded manner, the cylindrical mold 8 is fixedly connected with the sliding rod 29, when the first threaded rod 12 rotates to drive the two body molds 4 to be away from each other, the two first threaded rods 12 can drive the two second threaded rods 28 to rotate, the two second threaded rods 28 can drive the sliding rod 29 to move in a direction away from the device box 1, the sliding rod 29 can drive the cylindrical mold 8 to be pulled out from the two body molds 4, and therefore when the blow-molding pipe 10 blows, gas can enter the blank 33 more uniformly instead of blowing toward the inner bottom of the blank 33 in a concentrated manner, and when the first threaded rod 12 drives the second threaded rods 28 to rotate reversely, the sliding rod 29 can drive the cylindrical mold 8 to slide and reset.
Example 3
Referring to fig. 3, 4 and 6, basically the same as example 2, further, a specific embodiment of the elastic telescopic mechanism is specifically disclosed.
The elastic telescopic mechanism comprises a sliding hole 19 arranged on the side wall of the sliding plate 13, a push rod 20 is connected in the sliding hole 19 in a sliding manner, and the push rod 20 is elastically connected with the inner wall of the sliding hole 19 through a return spring 21, wherein the inner wall of the device box 1 is fixedly connected with guide vertical plates 17 positioned on two sides of the cylindrical mold 8, and the tail ends of the two guide vertical plates 17 are fixedly connected with guide inclined plates 18 which are respectively abutted against the outer walls of the two blow molding molds 16; during the displacement of the blow moulds 16, the two inclined guide plates 18 bring the two blow moulds 16 closer to one another until, when the two blow moulds 16 rest on the two vertical guide plates 17, the two blow moulds 16 are completely closed and the two blow moulds 16 which are closed to one another are just locked against the lower ends of the two neck moulds 6.
Further, the flexible end mounting of the flexible equipment 5 of second has force sensor 31, when bottleneck mould 6 received axial tension, force sensor 31 gives the controller with the signal transmission and starts the flexible equipment 5 of second through the controller, during two 16 reverse movements of blow molding mould reset, 16 bottleneck that can the pulling be located two bottleneck moulds 6 of blow molding mould 16, the screw thread of bottleneck outer wall makes it can't be followed and pulled out in bottleneck mould 6, at this moment force sensor 31 then can detect the pulling force that the bottleneck received, thereby make it pass through controller automatic start second telescoping equipment 5, second telescoping equipment 5 then can drive two 6 autosegregations of bottleneck mould, make degree of automation promote greatly.
Example 4
Referring to fig. 1-4, substantially the same as example 3, further, there is added a specific embodiment for blowing out the product in the blow mold 16.
Spray pipes 25 are fixedly arranged in the inner walls of the two blow molds 16, and air blowing holes 26 extending into the blow molds 16 are formed in the two groups of spray pipes 25; a piston 22 which is connected in a sliding manner in the sliding hole 19 is fixedly arranged on the outer wall of the push rod 20, an air suction pipe 24 and an exhaust pipe 23 which are communicated with the sliding hole 19 are fixedly connected to the outer wall of the sliding plate 13, the tail end of the exhaust pipe 23 is fixedly connected and communicated with a spray pipe 25 through a connecting pipe, and the connecting pipe is mainly used for connecting the exhaust pipe 23 and the spray pipe 25 and is not shown in the figure; when two push rods 20 drive two blow molding moulds 16 and keep away from each other, two push rods 20 can extrude the air in slide opening 19 through piston 22, slide opening 19 then can be through blast pipe 23 with inside air transport spray tube 25 in, blow to blow in the blow molding mould 16 from blow hole 26 at last, can blow the container of card in blow molding mould 16 off, promote the efficiency of unloading, when two push rods 20 drive two blow molding moulds 16 and are close to each other, gliding piston 22 can make slide opening 19 produce the negative pressure, thereby make slide opening 19 absorb outside air through breathing pipe 24.
Furthermore, the side walls of the two inclined guide plates 18 are fixedly connected with a plurality of linearly distributed cambered surface bumps 30, and when the blow mold 16 slides on the inclined guide plates 18, the blow mold 16 is sequentially contacted with the plurality of cambered surface bumps 30; during the period when the two blow molds 16 are far away from each other, the outer walls of the blow molds 16 slide over the two inclined guide plates 18, and the cambered protrusions 30 on the two inclined guide plates 18 cause the two blow molds 16 to vibrate, and the vibrating blow molds 16 can loosen the inner containers, thereby further improving the blanking efficiency.
A forming process of a food-grade PE container for packaging health products comprises the following operation steps:
step 1: injecting raw materials into the injection molding cavity 32 through the injection molding pipe 11, wherein the raw materials form a beaker-shaped blank 33 in the injection molding cavity 32;
step 2: the two bottle body molds 4 are driven by the first telescopic device 3 to separate from the two sides of the blank 33;
and step 3: two blow moulds 16 which are closed mutually are buckled at the lower ends of the two bottleneck moulds 6;
and 4, step 4: blowing the blank 33 through the blowing pipe 10, wherein the tail part of the blank 33 expands to complete the forming work of the blank 33;
and 5: and the two first telescopic devices 3 drive the two bottle body molds 4 to approach each other again, and the processed container can slide towards the discharge port 2.
The one-step injection molding device for the food-grade PE container for packaging the health care products comprises an injection molding pipe 11, raw materials are injected into an injection molding cavity 32 through the injection molding pipe 11, the raw materials form a beaker-shaped blank 33 in the injection molding cavity 32, at the moment, two body molds 4 are driven to separate from two sides of the blank 33 through a first telescopic device 3, during the separation, the two body molds 4 drive two racks 14 to slide through two driven gears 15, the two driven gears 15 drive two first threaded rods 12 to rotate, the two first threaded rods 12 drive two sliding plates 13 to horizontally slide, the two sliding plates 13 drive two blow molds 16 to move towards two blanks 33 through two push rods 20, during the movement of the blow molds 16, the two guide inclined plates 18 enable the two blow molds 16 to approach each other, until the two blow molds 16 lean against the two guide vertical plates 17, the two blow molds 16 are completely closed, the two blow molds 16 are buckled at the lower ends of two bottleneck molds 6, the blank 33 can be close to each other through the injection molding pipe 10, the tail of the blow molds 33 can expand and the inner walls of the two blow molds 16 can be limited, the heating and the heating efficiency of the blow molds 33 can be greatly reduced, and the loss of the blank can be reduced when the heating of the blow molding process.
After the blowing, make two first telescopic equipment 3 drive two body moulds 4 and be close to each other once more, two first threaded rods 12 then can reverse, at this moment can drive two 16 reverse movements of blowing mould and reset, meanwhile, drive two 6 alternate segregation of bottleneck mould through two second telescopic equipment 5, then two blowing mould 16 of horizontal migration then can drive the container that the blowing was accomplished and remove discharge gate 2 department, two blowing mould 16 no longer receive the restriction of direction riser 17 and direction swash plate 18 this moment, two reset spring 21 then can stimulate two push rods 20 and keep away from each other, two push rods 20 then can drive two blowing mould 16 and keep away from the reduction each other, because container outer wall and 16 inner walls of blowing mould are cylindrical, then the container that processing was accomplished can be to discharge gate 2 landing, can accomplish the automatic unloading work of container.
When the first threaded rod 12 rotates to drive the two body molds 4 to be away from each other, the two first threaded rods 12 can also drive the two second threaded rods 28 to rotate, the two second threaded rods 28 can drive the slide rod 29 to be away from the device box 1, the slide rod 29 can drive the cylindrical mold 8 to be pulled out from the two body molds 4, so that when the blow-molded tube 10 is blown, gas can more uniformly enter the blank 33 instead of being positioned at the inner bottom of the blank 33, and when the first threaded rod 12 drives the second threaded rod 28 to rotate reversely, the slide rod 29 can drive the cylindrical mold 8 to slide and reset.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. Health products packing is with food level PE container one-step method injection moulding device, be equipped with device case (1) of discharge gate (2) including the bottom, its characterized in that still includes: the device comprises two first telescopic devices (3) which are symmetrically arranged and fixedly connected to the inner walls of two sides of a device box (1) respectively, wherein the inner walls of two sides of the device box (1) are also fixedly connected with two second telescopic devices (5) which are symmetrically arranged, the telescopic ends of the two first telescopic devices (3) are fixedly connected with two bottle body molds (4) which are mutually symmetrical, the telescopic ends of the two second telescopic devices (5) are fixedly connected with two bottle mouth molds (6) which are mutually symmetrical, the inner diameters of the bottle body molds (4) and the bottle mouth molds (6) are the same, and the outer wall of the device box (1) is provided with a sliding groove (7) which is matched with the two bottle mouth molds (6); the two blow molding dies (16) are symmetrically arranged in the device box (1) and are respectively positioned at two sides of the discharge hole (2), wherein concave holes (27) matched with the outer wall of the bottle mouth die (6) are formed in the two blow molding dies (16), and an automatic translation assembly for driving the two blow molding dies (16) to horizontally move is arranged in the device box (1); two semicircular openings (9) that the symmetry set up in two respectively bottleneck mould (6) opposite face, wherein, two cylindricality mould (8) in semicircular opening (9) interpolation has extended to body mould (4), form beaker shape injection molding chamber (32) between the inner wall of cylindricality mould (8) and bottleneck mould (6) and body mould (4), be equipped with on cylindricality mould (8) and mould plastics pipe (11) and blow pipe (10).
2. A one-step injection molding apparatus for food-grade PE containers for packaging health products according to claim 1, wherein the automatic translation assembly comprises: rotate to be connected two first threaded rod (12) of device case (1) inner wall, two first threaded rod (12) are parallel with the axis of cylindricality mould (8), two all be connected with slide (13) with device case (1) inner wall sliding connection on first threaded rod (12), wherein, two the opposite face of slide (13) all is connected with push rod (20), two through elastic telescoping mechanism blow mould (16) fixed connection respectively is on two push rods (20).
3. The one-step injection molding device for the food-grade PE container for packaging the health care products as claimed in claim 2, wherein driven gears (15) are fixedly mounted on the outer walls of the two first threaded rods (12), and racks (14) respectively matched with the two driven gears (15) are fixedly connected to the two bottle body molds (4).
4. A one-step injection molding apparatus for a food-grade PE container for packaging health products as claimed in claim 2, wherein said elastic expansion mechanism comprises: the setting is in slide (13) slide hole (19) of lateral wall, push rod (20) sliding connection is in slide hole (19), through reset spring (21) elastic connection between the inner wall of push rod (20) and slide hole (19), wherein, the inner wall fixedly connected with of device case (1) is located direction riser (17) of cylindricality mould (8) both sides, two the equal fixedly connected with in end of direction riser (17) respectively with two blow mould (16) outer wall counterbalance direction swash plate (18).
5. The one-step injection molding device for the food-grade PE container for packaging the health care products according to claim 2, wherein one end of each of the two first threaded rods (12) is fixedly connected with a second threaded rod (28), the outer wall of each of the two second threaded rods (28) is in threaded connection with a sliding rod (29), and the cylindrical mold (8) is fixedly connected with the sliding rod (29).
6. A one-step injection molding device for a food-grade PE container for packaging health products according to claim 4, wherein spray pipes (25) are fixedly installed in the inner walls of the two blow molds (16), and the two groups of spray pipes (25) are provided with air blowing holes (26) extending into the blow molds (16).
7. A one-step injection molding device for a food-grade PE container for packaging health products according to claim 6, wherein a plurality of linear protrusions (30) are fixedly connected to the side walls of the two inclined guide plates (18), and when the blow mold (16) slides on the inclined guide plates (18), the blow mold (16) is sequentially contacted with the plurality of protrusions (30).
8. A one-step injection molding device for a food-grade PE container for packaging health products according to claim 6, wherein a piston (22) slidably connected in a sliding hole (19) is fixedly installed on the outer wall of the push rod (20), an air suction pipe (24) and an air exhaust pipe (23) communicated with the sliding hole (19) are fixedly connected to the outer wall of the sliding plate (13), and the tail end of the air exhaust pipe (23) is fixedly connected and communicated with a spray pipe (25) through a connecting pipe.
9. A one-step injection molding device for a food-grade PE container for packaging health products according to claim 2, wherein a tension sensor (31) is fixedly installed at the telescopic end of the second telescopic device (5), and when the bottle mouth mold (6) is subjected to an axial tension, the tension sensor (31) transmits a signal to the controller and the second telescopic device (5) is activated by the controller.
10. A forming process of a food-grade PE container for packaging health products, which adopts the one-step injection molding device of the food-grade PE container for packaging health products, as claimed in any one of claims 1 to 9, and is characterized in that the operation steps are as follows:
step 1: injecting raw materials into the injection molding cavity (32) through the injection molding pipe (11), wherein the raw materials form a beaker-shaped blank (33) in the injection molding cavity (32);
step 2: the two bottle body molds (4) are driven by the first telescopic equipment (3) to separate from the two sides of the blank (33);
and step 3: two blow moulds (16) which are closed mutually are buckled at the lower ends of the two bottleneck moulds (6);
and 4, step 4: blowing air to the blank (33) through the blowing pipe (10), wherein the tail part of the blank (33) can be expanded to finish the forming work of the blank (33);
and 5: two first telescopic devices (3) are made to drive the two bottle body molds (4) to be close to each other again, and the processed container can slide towards the discharge hole (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310188697.9A CN115847774B (en) | 2023-03-02 | 2023-03-02 | One-step injection molding device and process for food-grade PE container for packaging health care products |
Applications Claiming Priority (1)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59135129A (en) * | 1983-08-04 | 1984-08-03 | Yoshino Kogyosho Co Ltd | Preparation of biaxially oriented synthetic resin bottle |
| CN101947852A (en) * | 2010-09-06 | 2011-01-19 | 台山市心华药用包装有限公司 | Injection blowing mold for high-capacity plastic hollow container and process method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59135129A (en) * | 1983-08-04 | 1984-08-03 | Yoshino Kogyosho Co Ltd | Preparation of biaxially oriented synthetic resin bottle |
| CN101947852A (en) * | 2010-09-06 | 2011-01-19 | 台山市心华药用包装有限公司 | Injection blowing mold for high-capacity plastic hollow container and process method thereof |
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