CN111873302A - Injection mold and injection molding process thereof - Google Patents
Injection mold and injection molding process thereof Download PDFInfo
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- CN111873302A CN111873302A CN202010804183.8A CN202010804183A CN111873302A CN 111873302 A CN111873302 A CN 111873302A CN 202010804183 A CN202010804183 A CN 202010804183A CN 111873302 A CN111873302 A CN 111873302A
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- injection
- mold
- injection molding
- die
- hydraulic cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C45/1742—Mounting of moulds; Mould supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C45/72—Heating or cooling
- B29C45/7207—Heating or cooling of the moulded articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
Abstract
The invention discloses an injection mold and an injection molding process thereof, wherein a lower mold base is fixedly arranged at the central position of the upper end of an injection bottom cabinet, a mounting groove matched with an injection lower mold is arranged on the lower mold base, the injection lower mold is detachably mounted on the lower mold base through a bolt, four corners of the upper end of the injection bottom cabinet are fixedly connected with vertical upward support columns, the upper ends of the support columns are fixedly connected with a top plate, and a vertical downward first driving hydraulic cylinder is fixedly mounted at the central position of the upper end of the top plate. And the processing efficiency of the injection molding part is improved.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to an injection mold and an injection molding process thereof.
Background
Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.
However, the existing injection mold has certain defects in design, and firstly, the existing injection mold is of one set of type, injection parts machined and molded by each injection molding machine are the same, and the corresponding model cannot be replaced according to different injection parts to realize universal machining, so that the cost is increased; secondly, after the existing injection mold is subjected to injection molding, cooling molding is usually carried out under natural conditions, the processing time of the injection molding part is prolonged, the molding quality of the naturally cooled injection molding part is poor, meanwhile, the existing injection mold does not have a quick demolding mechanism, manual demolding is required after the injection molding part is processed, on one hand, the injection molding part is easily damaged, and on the other hand, the injection molding efficiency is reduced.
Disclosure of Invention
The invention aims to provide an injection mold and an injection molding process thereof, wherein the upper surface and the lower surface of an injection molding piece are cooled simultaneously, so that the upper surface and the lower surface of the injection molding piece are uniformly cooled, the rapid cooling and shaping of the injection molding piece are improved, and the molding quality of the injection molding piece is ensured.
The purpose of the invention can be realized by the following technical scheme:
an injection mold comprises an injection bottom cabinet, supporting legs, a cabinet door, a hinge, a lower mold base, supporting columns, a top plate, a first driving hydraulic cylinder, a lifting plate, a connecting column, an upper mold base, an upper mold mounting seat, an injection upper mold and an injection lower mold; the four corners of the bottom of the injection molding bottom cabinet are respectively provided with a supporting foot, the supporting feet are connected to the injection molding bottom cabinet through screw threads, the screw of each supporting foot is connected with a limit nut in a threaded manner, the front end of the injection molding bottom cabinet is connected with a cabinet door through a hinge in a rotating manner, the central position of the upper end of the injection molding bottom cabinet is fixedly provided with a lower mold base, the lower mold base is provided with an installation groove matched with an injection molding lower mold, the injection molding lower mold is detachably installed on the lower mold base through bolts, the four corners of the upper end of the injection molding bottom cabinet are respectively and fixedly connected with a vertical upward supporting column, the upper end of the supporting column is fixedly connected with a top plate, the central position of the upper end of the top plate is fixedly provided with a vertically downward first driving hydraulic cylinder, a driving telescopic rod arranged on, four group's spliced poles of lifter plate lower extreme fixedly connected with, the spliced pole is annular array and distributes at the lifter plate lower extreme, spliced pole lower extreme fixedly connected with goes up the mould base, it is connected with the die holder to go up mould base lower extreme, go up die holder lower extreme through bolt demountable installation with mould plastics lower mould matched with mould plastics and go up the mould.
As a further scheme of the invention, four corners of the upper end of the lower die base are fixedly connected with vertically upward guide sleeves, and four corners of the lower end of the upper die mounting seat are provided with guide rods in sliding fit with the guide sleeves.
As a further scheme of the invention, four groups of guide posts are fixedly arranged at the upper end of the injection molding bottom cabinet, the four groups of guide posts are distributed in an annular array by taking the lower mold base as the center, the upper ends of the guide posts penetrate through the top plate and are connected with locking nuts in a threaded manner, and four groups of sliding sleeves in sliding fit with the guide posts are arranged on the lifting plate.
As a further scheme of the invention, a second driving hydraulic cylinder is arranged at the central position of the upper end of the upper die base, and a driving telescopic rod arranged on the second driving hydraulic cylinder penetrates through the upper die base to be fixedly connected with the upper die mounting seat.
As a further scheme of the invention, the lower end of the upper die base is fixedly connected with a plurality of groups of connecting rods, the upper die mounting seat is connected to the plurality of groups of connecting rods in a sliding manner, the upper end of the upper die mounting seat is fixedly connected with a plurality of groups of buffer springs, and the upper ends of the buffer springs are fixedly connected with the upper die base.
As a further scheme of the invention, an injection molding pipe is arranged on the upper die base, and the injection molding pipe downwards penetrates through the upper die mounting seat to be communicated with the injection molding upper die.
As a further scheme of the invention, a demolding through hole is formed in the center of the bottom of the injection lower mold, a demolding top plate is installed at the demolding through hole, the upper end of the demolding top plate is provided with a structure identical to that of a concave mold groove of the injection lower mold, a connecting sleeve is fixedly arranged at the center of the lower end of the demolding top plate, a third vertically upward driving hydraulic cylinder is installed in the injection bottom cabinet, and a driving telescopic rod arranged on the third driving hydraulic cylinder is connected with the connecting sleeve.
As a further scheme of the invention, a plurality of groups of heat dissipation through holes are formed in the rear side wall of the injection molding bottom cabinet, two groups of mounting baffles are arranged in the injection molding bottom cabinet, cooling fans are fixedly mounted on the two groups of mounting baffles, a circulating water tank, a condenser and a circulating water pump are mounted in the injection molding bottom cabinet, the circulating water tank, the condenser and the circulating water pump are positioned between the two groups of mounting baffles, the water inlet end of the circulating water pump is communicated with the circulating water tank, the water outlet end of the circulating water pump is connected with a lower mold cooling pipe, the lower mold cooling pipe is uniformly laid in a lower mold base, the water inlet end of the condenser is connected with the lower mold cooling pipe, and.
As a further scheme of the invention, an upper die cooling pipe is arranged on the upper die mounting seat, and two ends of the upper die cooling pipe are respectively communicated with the circulating water pump and the condenser.
An injection molding process of an injection mold specifically comprises the following steps:
the method comprises the following steps: according to the different requirements of processing injection-molded parts, an injection-molding upper die and an injection-molding lower die with different specifications are respectively arranged on an upper die mounting seat and a lower die base, after the injection-molding upper die and the injection-molding lower die are mounted, a first driving hydraulic cylinder works to drive a lifting plate to move downwards, the lifting plate moves downwards along a guide post through a sliding sleeve, and the lifting plate stops moving when moving to the intersection of a guide rod and the guide sleeve;
step two: the second driving hydraulic cylinder works to drive the upper die mounting seat and the injection upper die to move downwards, the second driving hydraulic cylinder stops working when the lower end of the injection upper die is contacted with the upper end of the injection lower die, a gap of an injection molding piece is reserved between a male die arranged on the injection upper die and a female die arranged on the injection lower die at the moment, injection molding is carried out on the injection upper die through an injection molding pipe, and meanwhile, the second driving hydraulic cylinder works to drive the injection upper die to be tightly pressed on the injection lower die;
step three: after the injection molding is finished, standing still to enable the injection molding piece to be shaped, pumping out cooling water in a circulating water tank by the operation of a circulating water pump, respectively injecting the cooling water into an upper mold cooling pipe and a lower mold cooling pipe to cool the upper surface and the lower surface of the injection molding piece, improving the rapid cooling and shaping of the injection molding piece, enabling the cooling water in the upper mold cooling pipe and the lower mold cooling pipe to flow back into the circulating water tank after being refrigerated by a condenser, realizing the repeated recycling, and simultaneously enabling cooling fans arranged on two groups of mounting baffles to work for blowing and radiating the circulating water tank, the condenser and the circulating water pump;
step four: after the injection molding is cooled and shaped, the second driving hydraulic cylinder shrinks to drive the upper mold mounting seat and the injection molding upper mold to move upwards, meanwhile, the first driving hydraulic cylinder works to drive the lifting plate to move upwards to reset along the guide post, the third driving hydraulic cylinder works to drive the demolding top plate to move upwards, and the injection molding completed through the demolding top plate is ejected out from the concave mold on the injection molding lower mold.
The invention has the beneficial effects that: according to the different requirements for processing injection-molded parts, injection-molded upper molds and injection-molded lower molds with different specifications are respectively arranged on an upper mold mounting seat and a lower mold base, the lower mold base and the upper mold mounting seat are used as universal mounting bases, and different injection molds can be arranged according to the processing requirements for processing, so that the production type of the injection-molded parts is effectively improved, and the production cost of the injection-molded parts is reduced;
after the injection molding upper die and the injection molding lower die are installed, the first driving hydraulic cylinder works to drive the lifting plate to move downwards, the lifting plate moves downwards along the guide post through the sliding sleeve, and the guide post and the sliding sleeve are arranged to play a role in guiding the lifting of the lifting plate, so that the stable up-and-down movement of the lifting plate is ensured, the precise matching of the injection molding upper die and the injection molding lower die is ensured, the injection molding quality is ensured, and the lifting plate stops moving when the guide rod and the guide sleeve are crossed; the second driving hydraulic cylinder works to drive the upper die mounting seat and the injection upper die to move downwards, a buffer spring is arranged between the upper die base and the upper die mounting seat, and when the second driving hydraulic cylinder drives the upper die mounting seat to move downwards to be in contact with the injection lower die, the buffer spring effectively plays a role in buffer protection;
when the lower end of the injection upper die is contacted with the upper end of the injection lower die, the second driving hydraulic cylinder stops working, a gap of an injection molding piece is reserved between a convex die arranged on the injection upper die and a concave die arranged on the injection lower die at the moment, injection molding is carried out into the injection die through an injection molding pipe, and meanwhile, the second driving hydraulic cylinder works to drive the injection upper die to be tightly pressed on the injection lower die, so that the situation that the injection molding piece is deformed due to the fact that the injection molding expansion drives the injection upper die to move upwards is effectively prevented;
after the injection molding is finished, the injection molding piece is statically waited to be shaped, cooling water in a circulating water tank is pumped out by the operation of a circulating water pump and is respectively injected into an upper mold cooling pipe and a lower mold cooling pipe to cool the upper surface and the lower surface of the injection molding piece, the upper surface and the lower surface of the injection molding piece are uniformly cooled by simultaneously cooling the upper surface and the lower surface of the injection molding piece, the molding quality of the injection molding piece is ensured while the rapid cooling and shaping of the injection molding piece are improved, the cooling water in the upper mold cooling pipe and the lower mold cooling pipe is cooled by a condenser and then flows back into the circulating water tank, the repeated cyclic use is realized by the cyclic cooling, the waste of water resources is effectively prevented, meanwhile, cooling fans arranged on two groups of mounting baffles are operated to blow and dissipate heat for the circulating water tank, the condenser and;
after the injection molding is cooled and shaped, the second driving hydraulic cylinder shrinks to drive the upper mold mounting seat and the injection molding upper mold to move upwards, meanwhile, the first driving hydraulic cylinder works to drive the lifting plate to move upwards along the guide post to reset, the third driving hydraulic cylinder works to drive the demolding top plate to move upwards, the injection molding completed through injection molding is ejected out from the concave mold on the injection molding lower mold through the demolding top plate, quick demolding of the injection molding is realized, and the processing efficiency of the injection molding is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic structural view of a lower mold base of the present invention;
FIG. 4 is a schematic top view of the lower mold base of the present invention;
FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 4 according to the present invention;
FIG. 6 is a schematic structural view of an injection molding lower die of the present invention;
FIG. 7 is a schematic structural view of a demolded top panel of the present invention;
FIG. 8 is a schematic structural view of an upper die mounting base of the present invention;
FIG. 9 is a schematic top view of the upper die mounting base of the present invention;
FIG. 10 is a schematic view of the structure of the upper mold base of the present invention;
FIG. 11 is a schematic front view of the upper mold base of the present invention;
in the figure: 1. injection molding of the bottom cabinet; 2. supporting legs; 3. a cabinet door; 4. a hinge; 5. a lower die base; 6. a support pillar; 7. a top plate; 8. a first drive hydraulic cylinder; 9. a guide post; 10. locking the nut; 11. a sliding sleeve; 12. a lifting plate; 13. connecting columns; 14. an upper die base; 15. a second drive hydraulic cylinder; 16. an upper die mounting seat; 17. a guide bar; 18. injection molding an upper die; 19. a guide sleeve; 20. a third drive hydraulic cylinder; 21. installing a baffle; 22. a heat dissipating through hole; 23. a cooling fan; 24. a circulating water tank; 25. a condenser; 26. a water circulating pump; 27. an upper die cooling tube; 28. injection molding a lower die; 29. demolding the top plate; 30. a lower die cooling tube; 31. connecting sleeves; 32. a buffer spring; 33. a connecting rod; 34. and (5) injection molding of the pipe.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, an injection mold includes an injection bottom cabinet 1, supporting legs 2, a cabinet door 3, a hinge 4, a lower mold base 5, a supporting pillar 6, a top plate 7, a first driving hydraulic cylinder 8, a lifting plate 12, a connecting pillar 13, an upper mold base 14, an upper mold mounting seat 16, an injection upper mold 18 and an injection lower mold 28; the four corners of the bottom of the injection molding bottom cabinet 1 are respectively provided with a supporting foot 2, the supporting feet 2 are connected to the injection molding bottom cabinet 1 through screw threads, a limit nut is connected to the screw of the supporting foot 2 through screw threads to adjust the height of the supporting foot 2, the front end of the injection molding bottom cabinet 1 is rotatably connected with a cabinet door 3 through a hinge 4, a lower mold base 5 is fixedly arranged at the central position of the upper end of the injection molding bottom cabinet 1, an installation groove matched with an injection molding lower mold 28 is formed in the lower mold base 5, the injection molding lower mold 28 is detachably arranged on the lower mold base 5 through a bolt, the four corners of the upper end of the injection molding bottom cabinet 1 are respectively and fixedly connected with a vertically upward supporting column 6, the upper end of the supporting column 6 is fixedly connected with a top plate 7, a vertically downward first driving hydraulic cylinder 8 is fixedly arranged at the central position of the, 8 drive telescopic link tip fixedly connected with lifter plates 12 of first drive pneumatic cylinder, four group's spliced pole 13 of 12 lower extreme fixedly connected with of lifter plates, spliced pole 13 is annular array and distributes at lifter plates 12 lower extreme, spliced pole 13 lower extreme fixedly connected with goes up mold base 14, it is connected with last mold base 16 to go up mold base 14 lower extreme, it has and moulds plastics the mould 18 to mould plastics 28 matched with through bolt demountable installation to go up mold base 16 lower extreme.
The upper end four corners of the lower die base 5 are fixedly connected with vertical upward guide sleeves 19, and the lower end four corners of the upper die mounting seat 16 are provided with guide rods 17 in sliding fit with the guide sleeves 19.
The upper end of the injection molding bottom cabinet 1 is fixedly provided with four groups of guide posts 9, the four groups of guide posts 9 are distributed in an annular array by taking the lower mold base 5 as the center, the upper ends of the guide posts 9 penetrate through the top plate 7 and are connected with locking nuts 10 in a threaded manner, and four groups of sliding sleeves 11 in sliding fit with the guide posts 9 are arranged on the lifting plate 12.
Go up mould base 14 upper end central point and put and be provided with second drive pneumatic cylinder 15, the drive telescopic link that sets up on the second drive pneumatic cylinder 15 passes mould base 14 and last mould mount pad 16 fixed connection.
Go up a plurality of groups of connecting rod 33 of mould base 14 lower extreme fixedly connected with, go up mould mount pad 16 sliding connection on a plurality of groups of connecting rod 33, go up a plurality of groups of buffer spring 32 of mould mount pad 16 upper end fixedly connected with, buffer spring 32 upper end and last mould base 14 fixed connection.
The upper die base 14 is provided with an injection molding pipe 34, and the injection molding pipe 34 penetrates through the upper die mounting base 16 downwards to be communicated with the injection molding upper die 18.
28 bottom central point puts and is provided with the drawing of patterns through-hole of moulding plastics, drawing of patterns roof 29 is installed to drawing of patterns through-hole department, drawing of patterns roof 29 upper end is provided with the structure the same with the die cavity of the lower mould 28 of moulding plastics, drawing of patterns roof 29 lower extreme central point puts the fixed adapter sleeve 31 that is provided with, install vertical ascending third drive pneumatic cylinder 20 in the end cabinet 1 of moulding plastics, the last drive telescopic link that sets up of third drive pneumatic cylinder 20 links to each other with adapter sleeve 31.
Be provided with a plurality of groups of heat dissipation through-hole 22 on the 1 back lateral wall of end cabinet of moulding plastics, it is provided with two sets of installation baffles 21, two sets of to mould plastics end cabinet 1 is provided with two sets of installation baffle 21, and is two sets of equal fixed mounting has cooling fan 23 on the installation baffle 21, installs circulation tank 24, condenser 25 and circulating water pump 26 in the end cabinet of moulding plastics 1, and circulation tank 24, condenser 25 and circulating water pump 26 are located between two sets of installation baffles 21, circulation water pump 26 intake end is linked together with circulation tank 24, circulation water pump 26 goes out the water end and is connected with lower mould cooling tube 30, lower mould cooling tube 30 evenly lays in lower mould base 5, condenser 25 intake end links to each other with lower mould cooling tube 30, condenser 25 goes out the water.
An upper die cooling pipe 27 is arranged on the upper die mounting seat 16, and two ends of the upper die cooling pipe 27 are respectively communicated with the circulating water pump 26 and the condenser 25.
An injection molding process of an injection mold specifically comprises the following steps:
the method comprises the following steps: according to the different requirements of processing injection-molded parts, an injection upper die 18 and an injection lower die 28 with different specifications are respectively arranged on an upper die mounting seat 16 and a lower die base 5, after the injection upper die 18 and the injection lower die 28 are mounted, a first driving hydraulic cylinder 8 works to drive a lifting plate 12 to move downwards, the lifting plate 12 moves downwards along a guide post 9 through a sliding sleeve 11, and the lifting plate 12 stops moving when a guide rod 17 and a guide sleeve 19 are intersected;
step two: the second driving hydraulic cylinder 15 works to drive the upper mold mounting seat 16 and the injection upper mold 18 to move downwards, when the lower end of the injection upper mold 18 is in contact with the upper end of the injection lower mold 28, the second driving hydraulic cylinder 15 stops working, at the moment, a gap of an injection molding piece is reserved between a convex mold arranged on the injection upper mold 18 and a concave mold arranged on the injection lower mold 28, injection molding is carried out in the injection mold through the injection pipe 34, and meanwhile, the second driving hydraulic cylinder 15 works to drive the injection upper mold 18 to be pressed on the injection lower mold 28;
step three: after the injection molding is finished, the injection molding piece is statically waited to be shaped, the circulating water pump 26 works to pump out cooling water in the circulating water tank 24 and respectively injects the cooling water into the upper mold cooling pipe 27 and the lower mold cooling pipe 30 to cool the upper surface and the lower surface of the injection molding piece, so that the rapid cooling and shaping of the injection molding piece are improved, the cooling water in the upper mold cooling pipe 27 and the lower mold cooling pipe 30 is refrigerated by the condenser 25 and then flows back into the circulating water tank 24, the repeated recycling is realized, and meanwhile, the cooling fans 23 arranged on the two groups of installation baffles 21 work to blow and dissipate heat to the circulating water tank 24, the condenser 25 and the circulating water;
step four: after the injection molding is cooled and shaped, the second driving hydraulic cylinder 15 contracts to drive the upper mold mounting seat 16 and the injection molding upper mold 18 to move upwards, meanwhile, the first driving hydraulic cylinder 8 works to drive the lifting plate 12 to move upwards along the guide column 9 for resetting, the third driving hydraulic cylinder 20 works to drive the demolding top plate 29 to move upwards, and the injection molding finished through the demolding top plate 29 is ejected out from the concave mold on the injection molding lower mold 28.
When the invention is used, the injection upper die 18 and the injection lower die 28 with different specifications are respectively arranged on the upper die mounting seat 16 and the lower die base 5 according to the different injection parts required to be processed, the lower die base 5 and the upper die mounting seat 16 are used as a universal mounting base, different injection dies can be arranged according to the processing requirements for processing, thereby effectively improving the production type of the injection molding piece, and after the injection upper mold 18 and the injection lower mold 28 are installed, the first driving hydraulic cylinder 8 works to drive the lifting plate 12 to move downwards, the lifting plate 12 moves downwards along the guide post 9 through the sliding sleeve 11, the guide post 9 and the sliding sleeve 11 are arranged to guide the lifting of the lifting plate 12, therefore, the lifting plate 12 is ensured to move up and down stably, the injection upper die 18 is ensured to be matched with the injection lower die 28 accurately, the injection molding quality is ensured, and the lifting plate 12 stops moving when the guide rod 17 and the guide sleeve 19 are intersected; the second driving hydraulic cylinder 15 works to drive the upper mold mounting seat 16 and the injection upper mold 18 to move downwards, a buffer spring 32 is arranged between the upper mold base 14 and the upper mold mounting seat 16, when the second driving hydraulic cylinder 15 drives the upper mold mounting seat 16 to move downwards to be contacted with the injection lower mold 28, the buffer spring 32 effectively plays a role in buffer protection, when the lower end of the injection upper mold 18 is contacted with the upper end of the injection lower mold 28, the second driving hydraulic cylinder 15 stops working, at the moment, a gap of an injection molding piece is reserved between a convex mold arranged on the injection upper mold 18 and a concave mold arranged on the injection lower mold 28, injection molding is carried out in the injection mold through the injection pipe 34, meanwhile, the second driving hydraulic cylinder 15 works to drive the injection upper mold 18 to be tightly pressed on the injection lower mold 28, injection expansion is effectively prevented from driving the injection upper mold 18 to move; after the injection molding is finished, the injection molding piece is statically waited to be shaped, the circulating water pump 26 works to pump out cooling water in the circulating water tank 24 and respectively injects the cooling water into the upper mold cooling pipe 27 and the lower mold cooling pipe 30 to cool the upper surface and the lower surface of the injection molding piece, the upper surface and the lower surface of the injection molding piece are simultaneously cooled, the upper surface and the lower surface of the injection molding piece are ensured to be uniformly cooled, the molding quality of the injection molding piece is ensured while the rapid cooling and shaping of the injection molding piece are improved, cooling water in the upper mold cooling pipe 27 and the lower mold cooling pipe 30 flows back into the circulating water tank 24 after being cooled by the condenser 25, the repeated recycling is realized through the circulating cooling, the waste of water resources is effectively prevented, meanwhile, the cooling fans 23 arranged on the two sets of installation baffles 21 work to blow and dissipate heat of the circulating water tank 24, the condenser 25 and the circulating water pump 26, the working performance of the condenser 25 and the circulating water pump 26 is ensured while the cooling water temperature is reduced; after the injection molding is cooled and shaped, the second driving hydraulic cylinder 15 contracts to drive the upper mold mounting seat 16 and the injection mold 18 to move upwards, meanwhile, the first driving hydraulic cylinder 8 works to drive the lifting plate 12 to move upwards along the guide column 9 to reset, the third driving hydraulic cylinder 20 works to drive the demolding top plate 29 to move upwards, the injection molding completed through injection molding is ejected out of the concave mold on the injection molding lower mold 28 through the demolding top plate 29, rapid demolding of the injection molding is achieved, and the processing efficiency of the injection molding is improved.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. An injection mold is characterized by comprising an injection bottom cabinet (1), supporting legs (2), a cabinet door (3), a hinge (4), a lower mold base (5), a supporting column (6), a top plate (7), a first driving hydraulic cylinder (8), a lifting plate (12), a connecting column (13), an upper mold base (14), an upper mold mounting seat (16), an injection upper mold (18) and an injection lower mold (28); the injection molding bottom cabinet is characterized in that supporting legs (2) are arranged at four corners of the bottom of the injection molding bottom cabinet (1), the supporting legs (2) are connected to the injection molding bottom cabinet (1) through screw threads, limit nuts are connected to the screw threads of the supporting legs (2), the front end of the injection molding bottom cabinet (1) is rotatably connected with a cabinet door (3) through a hinge (4), a lower mold base (5) is fixedly arranged at the upper end center of the injection molding bottom cabinet (1), an installation groove matched with an injection molding lower mold (28) is formed in the lower mold base (5), the injection molding lower mold (28) is detachably installed on the lower mold base (5) through bolts, vertically upward supporting columns (6) are fixedly connected at four corners of the upper end of the injection molding bottom cabinet (1), a top plate (7) is fixedly connected at the upper end of the supporting columns (6), a first driving hydraulic cylinder (8) which vertically downward is fixedly installed, drive telescopic link that sets up on first drive pneumatic cylinder (8) passes roof (7) downwards, first drive pneumatic cylinder (8) drive telescopic link tip fixedly connected with lifter plate (12), four spliced poles (13) of lifter plate (12) lower extreme fixedly connected with, spliced pole (13) are the annular array and distribute at lifter plate (12) lower extreme, spliced pole (13) lower extreme fixedly connected with goes up mould base (14), it is connected with last mould mount pad (16) to go up mould base (14) lower extreme, it has and moulds plastics lower mould (28) matched with mould plastics upper die (18) to go up mould mount pad (16) lower extreme through bolt demountable installation.
2. An injection mold according to claim 1, characterized in that four corners of the upper end of the lower mold base (5) are fixedly connected with vertically upward guide sleeves (19), and four corners of the lower end of the upper mold mounting seat (16) are provided with guide rods (17) which are in sliding fit with the guide sleeves (19).
3. An injection mold according to claim 1, characterized in that four groups of guide posts (9) are fixedly arranged at the upper end of the injection bottom cabinet (1), the four groups of guide posts (9) are distributed in an annular array with the lower mold base (5) as the center, the upper ends of the guide posts (9) are connected with locking nuts (10) through the top plate (7) by screw threads, and four groups of sliding sleeves (11) which are in sliding fit with the guide posts (9) are arranged on the lifting plate (12).
4. An injection mold according to claim 1, characterized in that a second driving hydraulic cylinder (15) is arranged at the central position of the upper end of the upper mold base (14), and a driving telescopic rod arranged on the second driving hydraulic cylinder (15) penetrates through the upper mold base (14) to be fixedly connected with the upper mold mounting seat (16).
5. An injection mold according to claim 4, characterized in that a plurality of sets of connecting rods (33) are fixedly connected to the lower end of the upper mold base (14), the upper mold mounting seat (16) is slidably connected to the plurality of sets of connecting rods (33), a plurality of sets of buffer springs (32) are fixedly connected to the upper end of the upper mold mounting seat (16), and the upper ends of the buffer springs (32) are fixedly connected to the upper mold base (14).
6. An injection mould according to claim 1, characterized in that the upper mould base (14) is provided with an injection pipe (34), the injection pipe (34) passing down through the upper mould mounting seat (16) to communicate with the upper injection mould (18).
7. An injection mold according to claim 1, characterized in that a demolding through hole is formed in the center of the bottom of the lower injection mold (28), a demolding top plate (29) is installed in the demolding through hole, the upper end of the demolding top plate (29) is provided with a structure identical to that of a concave groove of the lower injection mold (28), a connecting sleeve (31) is fixedly arranged in the center of the lower end of the demolding top plate (29), a vertically upward third driving hydraulic cylinder (20) is installed in the injection bottom cabinet (1), and a driving telescopic rod arranged on the third driving hydraulic cylinder (20) is connected with the connecting sleeve (31).
8. The injection mold according to claim 1, characterized in that a plurality of sets of heat dissipating through holes (22) are arranged on the rear side wall of the injection bottom cabinet (1), two sets of installation baffles (21) are arranged in the injection bottom cabinet (1), cooling fans (23) are fixedly installed on the two sets of installation baffles (21), a circulating water tank (24), a condenser (25) and a circulating water pump (26) are installed in the injection bottom cabinet (1), the circulating water tank (24), the condenser (25) and the circulating water pump (26) are positioned between the two sets of installation baffles (21), the water inlet end of the circulating water pump (26) is communicated with the circulating water tank (24), the water outlet end of the circulating water pump (26) is connected with a lower mold cooling pipe (30), the lower mold cooling pipe (30) is uniformly laid in the lower mold base (5), the water inlet end of the condenser (25) is connected with the lower mold cooling pipe (30), the water outlet end of the condenser (25) is communicated with the circulating water tank (24).
9. An injection mold according to claim 8, characterized in that the upper mold mounting seat (16) is provided with an upper mold cooling pipe (27), and both ends of the upper mold cooling pipe (27) are respectively communicated with the circulating water pump (26) and the condenser (25).
10. An injection molding process of an injection mold is characterized by comprising the following steps:
the method comprises the following steps: according to the different requirements for processing injection-molded parts, an injection-molded upper die (18) and an injection-molded lower die (28) with different specifications are respectively arranged on an upper die mounting seat (16) and a lower die base (5), after the injection-molded upper die (18) and the injection-molded lower die (28) are mounted, a first driving hydraulic cylinder (8) works to drive a lifting plate (12) to move downwards, the lifting plate (12) moves downwards along a guide post (9) through a sliding sleeve (11), and the lifting plate (12) stops moving when a guide rod (17) and a guide sleeve (19) are intersected;
step two: the second driving hydraulic cylinder (15) works to drive the upper die mounting seat (16) and the injection upper die (18) to move downwards, when the lower end of the injection upper die (18) is in contact with the upper end of the injection lower die (28), the second driving hydraulic cylinder (15) stops working, a gap of an injection molding piece is reserved between a convex die arranged on the injection upper die (18) and a concave die arranged on the injection lower die (28), injection molding is carried out in the injection die through an injection molding pipe (34), and meanwhile, the second driving hydraulic cylinder (15) works to drive the injection upper die (18) to be tightly pressed on the injection lower die (28);
step three: after injection molding is finished, standing still to enable an injection molding piece to be shaped, wherein a circulating water pump (26) works to pump out cooling water in a circulating water tank (24), and respectively injects the cooling water into an upper mold cooling pipe (27) and a lower mold cooling pipe (30) to cool the upper surface and the lower surface of the injection molding piece, so that the rapid cooling and shaping of the injection molding piece are improved, the cooling water in the upper mold cooling pipe (27) and the lower mold cooling pipe (30) flows back into the circulating water tank (24) after being refrigerated by a condenser (25), so that the repeated recycling is realized, and meanwhile, cooling fans (23) arranged on two groups of mounting baffles (21) work to blow and dissipate heat of the circulating water tank (24), the condenser (25) and the circulating water pump (26);
step four: after the injection molding piece is cooled and shaped, the second driving hydraulic cylinder (15) contracts to drive the upper mold mounting seat (16) and the injection molding upper mold (18) to move upwards, meanwhile, the first driving hydraulic cylinder (8) works to drive the lifting plate (12) to move upwards to reset along the guide column (9), the third driving hydraulic cylinder (20) works to drive the demolding top plate (29) to move upwards, and the injection molding piece after injection molding is ejected out of a concave mold on the injection molding lower mold (28) through the demolding top plate (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010804183.8A CN111873302A (en) | 2020-08-12 | 2020-08-12 | Injection mold and injection molding process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010804183.8A CN111873302A (en) | 2020-08-12 | 2020-08-12 | Injection mold and injection molding process thereof |
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| CN111873302A true CN111873302A (en) | 2020-11-03 |
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| CN202010804183.8A Pending CN111873302A (en) | 2020-08-12 | 2020-08-12 | Injection mold and injection molding process thereof |
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|---|---|---|---|---|
| CN112519123A (en) * | 2020-11-16 | 2021-03-19 | 湖南京能新能源科技有限公司 | Charging pile intelligent production line process flow and method |
| CN112643936A (en) * | 2020-12-02 | 2021-04-13 | 深圳市绿星科技有限公司 | Positioning device for plastic mold forming |
| CN112659478A (en) * | 2020-11-30 | 2021-04-16 | 苏州骏创汽车科技股份有限公司 | Injection molding device for automotive interior injection molding part |
| CN112776289A (en) * | 2020-12-21 | 2021-05-11 | 苏州锦坤模塑有限公司 | Injection molding equipment control system capable of realizing accurate sizing |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839161A (en) * | 2017-12-14 | 2018-03-27 | 嘉兴德立金属制品有限公司 | A kind of Anti-bubble injection mold for being easy to the demoulding |
| CN207388202U (en) * | 2017-10-10 | 2018-05-22 | 新昌县回山镇星通机械配件经营部 | A kind of tubing processing mold |
| CN108454020A (en) * | 2018-05-28 | 2018-08-28 | 安徽泰诺塑胶有限公司 | Mold is manufactured convenient for the plastic bowl of fast demoulding |
| CN209381297U (en) * | 2018-11-14 | 2019-09-13 | 苏州开元模具有限公司 | A kind of dust catcher door molding die |
| CN110695217A (en) * | 2019-11-27 | 2020-01-17 | 童爱霞 | Automobile rear axle die |
| CN210552718U (en) * | 2019-07-29 | 2020-05-19 | 深圳市清宇橡胶制品有限公司 | Novel high-pressure rapid rubber forming equipment |
| CN210705892U (en) * | 2019-09-17 | 2020-06-09 | 东莞市富菘塑胶实业有限公司 | High-efficient cooling device that plastic mould was used |
| CN211221798U (en) * | 2019-11-04 | 2020-08-11 | 东莞市方菱精密模具有限公司 | High-precision plastic mold |
-
2020
- 2020-08-12 CN CN202010804183.8A patent/CN111873302A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207388202U (en) * | 2017-10-10 | 2018-05-22 | 新昌县回山镇星通机械配件经营部 | A kind of tubing processing mold |
| CN107839161A (en) * | 2017-12-14 | 2018-03-27 | 嘉兴德立金属制品有限公司 | A kind of Anti-bubble injection mold for being easy to the demoulding |
| CN108454020A (en) * | 2018-05-28 | 2018-08-28 | 安徽泰诺塑胶有限公司 | Mold is manufactured convenient for the plastic bowl of fast demoulding |
| CN209381297U (en) * | 2018-11-14 | 2019-09-13 | 苏州开元模具有限公司 | A kind of dust catcher door molding die |
| CN210552718U (en) * | 2019-07-29 | 2020-05-19 | 深圳市清宇橡胶制品有限公司 | Novel high-pressure rapid rubber forming equipment |
| CN210705892U (en) * | 2019-09-17 | 2020-06-09 | 东莞市富菘塑胶实业有限公司 | High-efficient cooling device that plastic mould was used |
| CN211221798U (en) * | 2019-11-04 | 2020-08-11 | 东莞市方菱精密模具有限公司 | High-precision plastic mold |
| CN110695217A (en) * | 2019-11-27 | 2020-01-17 | 童爱霞 | Automobile rear axle die |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519123A (en) * | 2020-11-16 | 2021-03-19 | 湖南京能新能源科技有限公司 | Charging pile intelligent production line process flow and method |
| CN112659478B (en) * | 2020-11-30 | 2023-03-03 | 苏州骏创汽车科技股份有限公司 | Injection molding device for automotive interior injection molding part |
| CN112659478A (en) * | 2020-11-30 | 2021-04-16 | 苏州骏创汽车科技股份有限公司 | Injection molding device for automotive interior injection molding part |
| CN112643936A (en) * | 2020-12-02 | 2021-04-13 | 深圳市绿星科技有限公司 | Positioning device for plastic mold forming |
| CN112776289A (en) * | 2020-12-21 | 2021-05-11 | 苏州锦坤模塑有限公司 | Injection molding equipment control system capable of realizing accurate sizing |
| CN112959611A (en) * | 2021-02-01 | 2021-06-15 | 精利模塑科技（无锡）有限公司 | Automobile part injection mold based on CAE technology and processing technology |
| CN113334684A (en) * | 2021-05-30 | 2021-09-03 | 张宇成 | Cold water circulation type precision injection molding production equipment and machining process thereof |
| CN113771298B (en) * | 2021-08-30 | 2023-08-04 | 永清县康达橡塑有限公司 | Injection mold for injection molding machine |
| CN113771298A (en) * | 2021-08-30 | 2021-12-10 | 张亮亮 | Injection mold for injection molding machine |
| CN114290583A (en) * | 2021-12-31 | 2022-04-08 | 青岛胜汇塑胶有限公司 | Equipment for melting plastic part at opening of refrigerator |
| CN114290583B (en) * | 2021-12-31 | 2024-03-12 | 青岛胜汇塑胶有限公司 | Refrigerator mouth plastic part stirring and thawing equipment |
| CN114393799A (en) * | 2022-01-17 | 2022-04-26 | 昆山智勇模具有限公司 | Rapid cooling system for injection mold of automobile plastic part and working method of rapid cooling system |
| CN115007805A (en) * | 2022-06-22 | 2022-09-06 | 六安市龙兴汽车零部件有限公司 | Mould make-up machine is used in casting of gearbox casing |
| CN115674611A (en) * | 2022-11-04 | 2023-02-03 | 苏州大牌机械科技有限公司 | Injection molding machine capable of continuous injection molding |
| CN115674611B (en) * | 2022-11-04 | 2023-08-29 | 苏州大牌机械科技有限公司 | Injection molding machine capable of continuously injection molding |
| CN117583485A (en) * | 2024-01-17 | 2024-02-23 | 山东朝日不锈钢有限公司 | Necking die and necking method for stainless steel pipe fitting |
| CN117583485B (en) * | 2024-01-17 | 2024-03-26 | 山东朝日不锈钢有限公司 | Necking die and necking method for stainless steel pipe fitting |
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Effective date of registration: 20210126 Address after: 321025 Zhenggang mountain village, Bailong Qiao Town, Wucheng District, Jinhua, Zhejiang Applicant after: JINHUA GUANRUI TECHNOLOGY Co.,Ltd. Address before: 324000 room 609, butterfly Road, Fushan street, Kecheng District, Quzhou, Zhejiang, 609 Applicant before: QUZHOU FENGFAN TECHNOLOGY Co.,Ltd. |