CN111531828A - Double-color plastic mold - Google Patents
Double-color plastic mold Download PDFInfo
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- CN111531828A CN111531828A CN202010387093.3A CN202010387093A CN111531828A CN 111531828 A CN111531828 A CN 111531828A CN 202010387093 A CN202010387093 A CN 202010387093A CN 111531828 A CN111531828 A CN 111531828A
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- mold
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- injection molding
- mould
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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
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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
- B29C45/16—Making multilayered or multicoloured 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
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a double-color plastic mold, which structurally comprises a lower mold, an injection core mold, a demolding device, an upper mold, a positioning through hole, an injection hole, a positioning guide pillar, an air exhaust device and a mold groove, wherein after improvement, when injection molding is carried out, cooling water in a net piece is uniformly sprayed in the injection core mold through a spray head, the injection molded rubber mold is rapidly cooled, a movable rotating rod assists a push roller to upwards open a connecting plate at a constant speed, so that a scuffing phenomenon of a rubber product which is just subjected to injection molding is prevented, and the injection molding efficiency of the mold and the injection molding quality of rubber are improved; when the mould is moulding plastics, through the cooperation of piece and wind-guiding piece of induced drafting residual gas inside the fishplate bar, inside the supplementary straw of honeycomb duct carried gas to the blast pipe, discharged the mould outside with gaseous with giving vent to anger section of thick bamboo through the blast pipe for the material of moulding plastics can carry out complete moulding plastics to the mould, improves the injection molding effect of mould and the yield of product, reduces the manufacturing cost that the plastic was moulded plastics.
Description
Technical Field
The invention relates to the field of mold equipment, in particular to a double-color plastic mold.
Background
The rubber mold is a tool which is matched with a rubber forming machine in the rubber processing industry and gives complete configuration and accurate dimension to a rubber product. Due to the variety of rubber and the processing method, rubber molding generally uses a combined rubber mold of compression molding, extrusion molding, injection molding, blow molding and low-foaming molding to process series of rubber parts with different shapes and sizes. With the rapid development of the rubber industry, the application range of rubber products is also expanding, and the consumption of rubber products is also in an increasing state. When the plastic mold is used for injection molding, the improvement is needed:
1. when current rubber mold is not cooling down completely, the rubber of moulding plastics can be stained and is pasted on the mould, leads to the mould to open smoothly, if open the mould by force, draws the rubber product of just having moulded plastics the shaping easily, and can carry out the tractive to the inside mold core of mould, leads to the mold core displacement phenomenon to appear, reduces the injection molding efficiency of mould and the injection moulding quality of rubber.
2. In the injection molding process of the existing injection mold, as partial air exists in the mold, the defective phenomena of streamline, air holes, focal spots and the like occur in the injection molded rubber product, so that the injection molding material can not completely inject the mold due to the obstruction of the air, the yield of the product is reduced, and the production cost of plastic injection molding is improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-color plastic mold, which aims to solve the problems that when the existing rubber mold is not completely cooled, the injected rubber can be adhered to the mold, so that the mold cannot be smoothly opened, if the mold is forcibly opened, a rubber product which is just formed by injection molding is easily scratched, and a mold core in the mold can be pulled, so that the mold core is displaced, and the injection molding efficiency of the mold and the injection molding quality of the rubber are reduced; the existing injection mold has the problems that in the injection molding process, due to the fact that partial air exists inside the mold, the defective phenomena such as streamline, air holes and focal spots occur in the injection molded rubber product, the injection molding material cannot perform complete injection molding on the mold due to the obstruction of the air, the yield of the product is reduced, and the production cost of plastic injection molding is improved.
In order to achieve the purpose, the invention is realized by the following technical scheme: a double-color plastic mold comprises a lower mold, an injection core mold, a demolding device, an upper mold, a positioning through hole, an injection hole, a positioning guide pillar, an air extractor and a mold groove, wherein the bottom of the lower mold is provided with the mold groove, the air extractor is communicated with the injection core mold through the mold groove, the mold groove is connected with the lower mold in a laminating way, the four edges of the top of the lower mold are provided with the positioning guide pillars, the positioning guide pillars are vertically embedded on the lower mold, the injection core mold is arranged at the middle position of the lower mold, the injection hole is arranged at the right edge of the injection core mold and is embedded on the lower mold in parallel, the top of the lower mold is provided with the upper mold, the lower mold and the upper mold are connected into a whole through the positioning guide pillar, the top of the upper mold is provided with the positioning, the demoulding device is attached to the injection core mould through the lower mould.
As a further improvement of the invention, the demoulding device consists of a connecting plate, a fixed rod, a movable rotating rod, a pushing piece, a cooler and a separating plate, wherein the connecting plate is arranged at the upper end and the lower end of the movable rotating rod, the fixed rod is connected with the two connecting plates, the bottom of the movable rotating rod is embedded on the connecting plate, the front end of the movable rotating rod is provided with the pushing piece, the pushing piece is connected with the movable rotating rod in a penetrating way, the front end of the pushing piece is provided with the cooler, and the cooler and the separating plate are arranged on the same module.
As a further improvement of the invention, the pushing piece consists of a backing plate, a push rod, a push roller, a return spring and a limiting plate, the push roller and the return spring are arranged at the left end and the right end of the backing plate, the push roller and the return spring are connected through a rotating shaft, the push roller is fixedly clamped and connected with the push rod, the push rod is arranged at the middle position of the top of the backing plate, and the bottom of the backing plate is connected with the limiting plate.
As a further improvement of the invention, the cooler comprises a box body, a distribution cavity, a spray header, a cooling water pipe and a recovery water bin, wherein the distribution cavity is arranged in the box body and communicated with the spray header, the spray header is embedded in the distribution cavity in a penetrating manner, the cooling water pipe is arranged at the top of the spray header, one end of the cooling water pipe is connected with the recovery water bin, and the recovery water bins are arranged at the left end and the right end of the box body.
As a further improvement of the invention, the distribution cavity consists of a net piece, a connecting port, a cavity and an inlet and outlet channel, the net piece is embedded in the cavity in a penetrating mode, the top of the net piece is connected with the inlet and outlet channel through the cavity, the connecting ports are arranged on the inner sides of the left end and the right end of the cavity, and the connecting ports are communicated with the inlet and outlet channel through the cavity.
As a further improvement of the invention, the air extracting device consists of an air extracting pump, an inlet, an air extracting component, an exhaust cavity, a conduit and a fixing plate, wherein the air extracting pump is arranged at the side edge of the air extracting component, the air extracting component is arranged at the left side and the right side of the conduit, the inlet is arranged at the front end of the conduit, the inlet is connected with the air extracting component into a whole through the conduit, the conduit is vertically arranged at the middle position of the fixing plate, and the bottom of the conduit is communicated with the exhaust cavity.
The air exhaust assembly is further improved by comprising an air suction rod, an outer frame, an air exhaust disc, an air exhaust connecting plate and a clamping groove, wherein the air suction rod is arranged at the middle position of the outer frame, the air exhaust connecting plate is arranged inside the outer frame, the air exhaust connecting plate is transversely arranged on the air suction rod at equal intervals, the top of the air suction rod is embedded and embedded with the air exhaust disc, the air exhaust disc is connected with the air exhaust connecting plate into a whole through the air suction rod, and the bottom of the air exhaust connecting plate is attached to the middle position of the clamping groove.
As a further improvement of the invention, the exhaust cavity consists of a suction pipe, an exhaust pipe, an air outlet cylinder and a flow guide pipe, the suction pipe is communicated with the exhaust pipe, the exhaust pipe is arranged on the left side and the right side of the air outlet cylinder, the flow guide pipe is arranged at the bottom of the air outlet cylinder, and the flow guide pipe penetrates through the suction pipe and is embedded in the suction pipe.
As a further improvement of the invention, the sucking disc consists of a disc body, an air guide component and air suction blocks, six air suction blocks are arranged in the middle of the disc body, the air suction blocks are annularly arranged on the disc body at equal intervals, the air guide component is arranged on the outer ring of the disc body, and the air guide component is connected with the air suction blocks through the disc body.
Advantageous effects of the invention
The invention relates to a double-color plastic mold, which has the following beneficial effects:
when moulding plastics, with the even cooling water that passes through of net piece inside spray the cooling water inside the mandrel of moulding plastics through the shower head, carry out rapid cooling to the rubber mold who moulds plastics, reduce the viscidity of the rubber of moulding plastics, the supplementary push roller of activity bull stick upwards opens the mould with the fishplate bar at the uniform velocity, prevents that the phenomenon appears pulling in the rubber product of just having moulded plastics shaping, improves the injection molding efficiency of mould and the injection moulding quality of rubber.
When the mould is moulding plastics, through six pieces of the piece that induced drafts and the cooperation of air ducting with the mould inside remaining gaseous leading-in to the fishplate bar of bleeding inside, with the honeycomb duct assist the straw with the inside gas transport exhaust pipe of draw-in groove inside, arrange the mould outside with the gas outlet cylinder through the blast pipe for the material of moulding plastics can carry out complete moulding plastics to the mould, improves the injection molding effect of mould and the yield of product, reduces the manufacturing cost that the plastic was moulded plastics.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a two-color plastic mold according to the present invention;
FIG. 2 is a schematic structural view of the demolding device of the present invention.
FIG. 3 is a schematic view of the internal structure of the pusher of the present invention.
Fig. 4 is a schematic plan view of the cooler of the present invention.
FIG. 5 is a schematic diagram of a distribution chamber according to the present invention.
FIG. 6 is a schematic view of the internal structure of the air extractor of the present invention.
FIG. 7 is a schematic plan view of the pumping assembly of the present invention.
FIG. 8 is a schematic plan view of the exhaust chamber of the present invention.
Fig. 9 is a schematic view of the internal structure of the suction cup of the present invention.
In the figure: a lower die-1, an injection core die-2, a demoulding device-3, an upper die-4, a positioning through hole-5, an injection hole-6, a positioning guide post-7, an air extractor-8, a die groove-9, a connecting plate-31, a fixed rod-32, a movable rotating rod-33, a pushing piece-34, a cooler-35, a separating plate-36, a backing plate-341, a push rod-342, a push roller-343, a return spring-344, a limit plate-345, a box-351, a distribution cavity-352, a spray head-353, a cooling water pipe-354, a recovery water bin-355, a mesh-3521, a connecting port-3522, a cavity-3523, an inlet-3524, an exhaust pump-81, an inlet-82, an air extracting component-83, a pump-3523, an inlet, An exhaust cavity-84, a guide pipe-85, a fixing plate-86, a suction rod-831, an outer frame-832, a suction disc-833, an air suction connecting plate-834, a clamping groove-835, a suction pipe-841, an exhaust pipe-842, an air outlet cylinder-843, a guide pipe-844, a disc body-8331, an air guide part-8332 and an air suction block-8333.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
Referring to fig. 1, the present invention provides a technical solution: a double-color plastic mold comprises a lower mold 1, an injection core mold 2, a demolding device 3, an upper mold 4, a positioning through hole 5, an injection hole 6, a positioning guide pillar 7, an air extractor 8 and a mold groove 9, wherein the bottom of the lower mold 1 is provided with the mold groove 9, the air extractor 8 is communicated with the injection core mold 2 through the mold groove 9, the mold groove 9 is jointed and connected with the lower mold 1, the positioning guide pillars 7 are arranged on four edges of the top of the lower mold 1, the positioning guide pillars 7 are vertically embedded on the lower mold 1, the injection core mold 2 is arranged at the middle position of the lower mold 1, the injection hole 6 is arranged on the right side edge of the injection core mold 2, the injection hole 6 is embedded on the lower mold 1 in parallel, the top of the lower mold 1 is provided with the upper mold 4, the lower mold 1 and the upper mold 4 are connected into a whole through the positioning guide pillars 7, the top of the upper mold, the demolding device 3 is installed between the lower mold 1 and the upper mold 4, the demolding device 3 is attached to the injection core mold 2 through the lower mold 1, the lower mold 1 and the upper mold 4 are fixedly clamped together through the positioning guide pillar 7, injection-molded rubber is conveyed into the injection core mold 2 through the injection molding hole 6, residual gas in the injection core mold 2 is discharged through the air exhaust device 8, complete injection molding can be carried out at all positions in the injection core mold 2, and the injection molding effect of the mold is improved.
Referring to fig. 2, the demolding device 3 is composed of a connecting plate 31, a fixing rod 32, a movable rotating rod 33, a pushing member 34, a cooler 35 and a separating plate 36, the connecting plate 31 is installed at the upper end and the lower end of the movable rotating rod 33, the fixing rod 32 is connected with the two connecting plates 31, the bottom of the movable rotating rod 33 is embedded in the connecting plate 31, the pushing member 34 is arranged at the front end of the movable rotating rod 33, the pushing member 34 is connected with the movable rotating rod 33 in a penetrating manner, the cooler 35 is arranged at the front end of the pushing member 34, the cooler 35 and the separating plate 36 are arranged on the same module, the two connecting plates 31 are respectively connected with the lower mold 1 and the upper mold 4, the pushing member 34 drives the two connecting plates 31 to be rapidly separated, the molded mold can be rapidly and effectively taken out, and.
Referring to fig. 3, the pushing member 34 is composed of a base plate 341, a top rod 342, a pushing roller 343, a return spring 344, and a limiting plate 345, the pushing roller 343 and the return spring 344 are disposed at both left and right ends of the base plate 341, the pushing roller 343 and the return spring 344 are connected through a rotating shaft, the pushing roller 343 and the top rod 342 are fixedly engaged, the top rod 342 is disposed at the middle position of the top of the base plate 341, the bottom of the base plate 341 is connected with the limiting plate 345, and the pushing roller 343 and the return spring 344 are mutually matched to assist the connecting plate 31 to move, so that the mold is not pulled when being taken out again, and the rubber after injection molding is protected.
Referring to fig. 4, the cooler 35 is composed of a box 351, a distribution cavity 352, a spray header 353, a cooling water pipe 354 and a recovery water tank 355, the distribution cavity 352 is arranged inside the box 351, the distribution cavity 352 is communicated with the spray header 353, the spray header 353 penetrates and is embedded inside the distribution cavity 352, the cooling water pipe 354 is arranged at the top of the spray header 353, one end of the cooling water pipe 354 is connected with the recovery water tank 355, the recovery water tank 355 is arranged at the left end and the right end of the box 351, and the spray header 353 is used for uniformly spraying cooling water on the rubber after injection molding, so that the rubber after injection molding can be rapidly cooled, and the viscosity of the rubber after injection molding is reduced.
Referring to fig. 5, the distribution cavity 352 is composed of a mesh 3521, a connecting port 3522, a cavity 3523 and an inlet/outlet channel 3524, the mesh 3521 is embedded in the cavity 3523 in a penetrating manner, the top of the mesh 3521 is connected with the inlet/outlet channel 3524 through the cavity 3523, the connecting ports 3522 are arranged on the inner sides of the left end and the right end of the cavity 3523, the connecting port 3522 is communicated with the inlet/outlet channel 3524 through the cavity 3523 and is buckled and connected with the cooling water pipe 354 through the connecting port 3522, and the cooling water pipe 354 uniformly conveys cooling water into the mesh 3521, so that the cooling water sprayed by the spray heads 353 on the rubber after injection molding is uniform, and the cooling effect of the rubber after injection molding is improved.
Referring to fig. 6, the air extracting device 8 is composed of an air extracting pump 81, an inlet 82, an air extracting component 83, an exhaust cavity 84, a conduit 85 and a fixing plate 86, the air extracting pump 81 is arranged at a side edge of the air extracting component 83, the air extracting component 83 is arranged at left and right sides of the conduit 85, the inlet 82 is arranged at the front end of the conduit 85, the inlet 82 is connected with the air extracting component 83 into a whole through the conduit 85, the conduit 85 is vertically arranged at the middle position of the fixing plate 86, the bottom of the conduit 85 is communicated with the exhaust cavity 84 and is communicated with the lower die 1 through the inlet 82, residual air inside the injection mold is extracted through mutual matching of the air extracting pump 8 and the air extracting component 83, so that air is prevented from preventing injection molding of the mold, and.
Example two
Referring to fig. 1, the present invention provides a technical solution: a double-color plastic mold comprises a lower mold 1, an injection core mold 2, a demolding device 3, an upper mold 4, a positioning through hole 5, an injection hole 6, a positioning guide pillar 7, an air extractor 8 and a mold groove 9, wherein the bottom of the lower mold 1 is provided with the mold groove 9, the air extractor 8 is communicated with the injection core mold 2 through the mold groove 9, the mold groove 9 is jointed and connected with the lower mold 1, the positioning guide pillars 7 are arranged on four edges of the top of the lower mold 1, the positioning guide pillars 7 are vertically embedded on the lower mold 1, the injection core mold 2 is arranged at the middle position of the lower mold 1, the injection hole 6 is arranged on the right side edge of the injection core mold 2, the injection hole 6 is embedded on the lower mold 1 in parallel, the top of the lower mold 1 is provided with the upper mold 4, the lower mold 1 and the upper mold 4 are connected into a whole through the positioning guide pillars 7, the top of the upper mold, the demolding device 3 is installed between the lower mold 1 and the upper mold 4, the demolding device 3 is attached to the injection core mold 2 through the lower mold 1, the lower mold 1 and the upper mold 4 are fixedly clamped together through the positioning guide pillar 7, injection-molded rubber is conveyed into the injection core mold 2 through the injection molding hole 6, residual gas in the injection core mold 2 is discharged through the air exhaust device 8, complete injection molding can be carried out at all positions in the injection core mold 2, and the injection molding effect of the mold is improved.
Referring to fig. 2, the demolding device 3 is composed of a connecting plate 31, a fixing rod 32, a movable rotating rod 33, a pushing member 34, a cooler 35 and a separating plate 36, the connecting plate 31 is installed at the upper end and the lower end of the movable rotating rod 33, the fixing rod 32 is connected with the two connecting plates 31, the bottom of the movable rotating rod 33 is embedded in the connecting plate 31, the pushing member 34 is arranged at the front end of the movable rotating rod 33, the pushing member 34 is connected with the movable rotating rod 33 in a penetrating manner, the cooler 35 is arranged at the front end of the pushing member 34, the cooler 35 and the separating plate 36 are arranged on the same module, the two connecting plates 31 are respectively connected with the lower mold 1 and the upper mold 4, the pushing member 34 drives the two connecting plates 31 to be rapidly separated, the molded mold can be rapidly and effectively taken out, and.
Referring to fig. 6, the air extracting device 8 is composed of an air extracting pump 81, an inlet 82, an air extracting component 83, an exhaust cavity 84, a conduit 85 and a fixing plate 86, the air extracting pump 81 is arranged at a side edge of the air extracting component 83, the air extracting component 83 is arranged at left and right sides of the conduit 85, the inlet 82 is arranged at the front end of the conduit 85, the inlet 82 is connected with the air extracting component 83 into a whole through the conduit 85, the conduit 85 is vertically arranged at the middle position of the fixing plate 86, the bottom of the conduit 85 is communicated with the exhaust cavity 84, residual air inside the injection mold is extracted through mutual matching of the air extracting pump 8 and the air extracting component 83, air is prevented from preventing injection molding of the mold, and the injection molding effect of the.
Referring to fig. 7, the air exhaust assembly 83 includes an air suction rod 831, an outer frame 832, an air suction plate 833, an air exhaust connection plate 834 and a slot 835, the air suction rod 831 is disposed at a middle position of the outer frame 832, the air exhaust connection plate 834 is disposed inside the outer frame 832, the air exhaust connection plate 834 is transversely installed on the air suction rod 831 at equal intervals, a top of the air suction rod 831 is embedded with the air suction plate 833, the air suction plate 833 is connected with the air exhaust connection plate 834 into a whole through the air suction rod 831, a bottom of the air exhaust connection plate 834 is attached to a middle position of the slot 835, the air sucked by the air suction plate 833 is conveyed to the inside of the air exhaust connection plate 834, the air exhaust connection plate 834 is used for layer-by-layer treatment and guided into the slot 835, backflow phenomenon.
Referring to fig. 8, the exhaust cavity 84 is composed of a suction pipe 841, an exhaust pipe 842, an air outlet cylinder 843, and a flow guide pipe 844, the suction pipe 841 is communicated with the exhaust pipe 842, the exhaust pipe 842 is disposed on the left and right sides of the air outlet cylinder 843, the flow guide pipe 844 is disposed at the bottom of the air outlet cylinder 843, the flow guide pipe 844 is inserted into the suction pipe 841, the suction pipe 841 transmits the gas inside the clamping groove 835 to the inside of the exhaust pipe 842, and the air inside the exhaust pipe 842 is treated and exhausted by the air outlet cylinder 843, so that the yield of rubber products is improved.
Referring to fig. 9, the suction cup 833 is composed of a tray body 8331, an air guide 8332, and air suction blocks 8333, six air suction blocks 8333 are disposed in the middle of the tray body 8331, the air suction blocks 8333 are annularly mounted on the tray body 8331 at equal intervals, the air guide 8332 is disposed on the outer ring of the tray body 8331, the air guide 8332 is connected to the air suction blocks 8333 through the tray body 8331, the residual air is quickly extracted through the six air suction blocks 8333, and then the air is conveyed to the inside of the air extraction connecting plate 834 through the air guide 8332, so that the injection molding efficiency of plastic is improved, and the quality of injection molding rubber products is ensured.
The working principle of the above technical solution is explained as follows:
when the injection molding device is used, the lower die 1 and the upper die 4 are fixedly clamped together through the positioning guide pillars 7, the injection molded rubber is conveyed into the injection core die 2 through the injection molding holes 6, the injection core die 2 is filled, then the lower die 1 and the upper die 4 are matched with each other for shaping, residual gas in the injection core die 2 is exhausted by the air exhaust device 8 in the injection molding process, complete injection molding can be performed at all positions in the injection core die 2, and the injection molding effect of the die is improved.
During injection molding, cooling water in the box body 351 is conveyed into each net piece 3521 through the cooling water pipe 354, the net pieces 3521 are buckled with the spray headers 353 through the connecting ports 3522, the cooling water in the net pieces 3521 is uniformly conveyed into the spray headers 35 through the connecting ports 3522, the cooling water is sprayed into the injection core mold 2 through the spray headers 35, the injection molded rubber mold is rapidly cooled down, the viscosity of injection rubber is reduced, the injection molded rubber cannot be adhered to the mold, the cooled water is conveyed into the recovery water bin 355 through the cooling water pipe 354 to be recycled, then the two connecting plates 31 are respectively connected with the lower mold 1 and the upper mold 4, the push rollers 343 are driven through the return springs 344, the movable rotating rods 33 assist the push rollers 343 to upwards open the upper mold 4 at a constant speed, the injection molded rubber can be effectively molded, and the phenomenon that the injection molded rubber product is damaged due to pulling is prevented, protect the rubber of moulding plastics shaping, and protect the module core, improve the injection molding efficiency of mould and the quality of moulding plastics of rubber.
When the mold is used for injection molding, the inlet 82 is communicated with the lower mold 1, the air suction pump 81 drives the air suction block 8333 to rotate, the air in the mold is conveyed to the inside of the tray body 8331 through the six air suction blocks 8333, the air remained in the mold is guided into the air suction connecting plate 834 through the air guide 8332, the layer-by-layer treatment is carried out through the inside of the air suction connecting plate 834, then the gas is conveyed to the inside of the clamping groove 835, the suction pipe 841 penetrates and is embedded into the clamping groove 835, then the gas in the clamping groove 835 is conveyed to the inside of the exhaust pipe 842 by the guide pipe 844 auxiliary suction pipe 841, the gas is discharged to the outside of the mold through the gas outlet cylinder 843 by the gas outlet pipe 842, the gas in the mold is completely discharged, the phenomena of streamline, air holes, focal spots and the like of the injection molded rubber product are prevented, the injection molding material can be used for completely injecting the mold, so that the injection molding effect of the mold and the yield of products are improved, and the production cost of plastic injection molding is reduced.
The invention solves the problems that when the existing rubber mold is not completely cooled, the injected rubber can be adhered to the mold, so that the mold cannot be smoothly opened, if the mold is forcibly opened, a rubber product which is just formed by injection molding is easily damaged by pulling, and a mold core in the mold can be pulled, so that the mold core is displaced, and the injection molding efficiency of the mold and the injection molding quality of the rubber are reduced; in the injection molding process of the existing injection mold, as partial air exists in the mold, the phenomenon of defective times such as streamline, air hole, focal spot and the like of an injection molded rubber product occurs, so that an injection molding material cannot completely inject the mold due to the obstruction of the air, the yield of the product is reduced, and the production cost of plastic injection molding is improved. When the mould is moulding plastics, through six pieces of the piece that induced drafts and the cooperation of air ducting with the mould inside remaining gaseous leading-in to the fishplate bar of bleeding inside, with the honeycomb duct assist the straw with the inside gas transport exhaust pipe of draw-in groove inside, arrange the mould outside with the gas outlet cylinder through the blast pipe for the material of moulding plastics can carry out complete moulding plastics to the mould, improves the injection molding effect of mould and the yield of product, reduces the manufacturing cost that the plastic was moulded plastics.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a double-colored plastic mould, its structure includes lower mould (1), the mandrel of moulding plastics (2), shedder (3), goes up mould (4), positioning hole (5), mould hole (6), positioning guide pillar (7), air exhaust device (8), mould groove (9), its characterized in that:
the injection molding device is characterized in that a mold groove (9) is formed in the bottom of the lower mold (1), the air exhaust device (8) is communicated with the injection core mold (2) through the mold groove (9), the injection molding hole (6) is installed on the lower mold (1), the positioning through hole (5) is connected with the positioning guide pillar (7) through the upper mold (4), and the demolding device (3) is attached to the injection core mold (2) through the lower mold (1);
the demolding device (3) is composed of a connecting plate (31), a fixing rod (32), a movable rotating rod (33), a pushing part (34), a cooler (35) and a separating plate (36), the connecting plate (31) is installed on the movable rotating rod (33), the fixing rod (32) is connected with the two connecting plates (31), the cooler (35) is arranged on the pushing part (34), and the cooler (35) and the separating plate (36) are arranged on the same module.
2. The two-color plastic mold of claim 1, wherein: the pushing piece (34) is composed of a base plate (341), a top rod (342), a pushing roller (343), a return spring (344) and a limiting plate (345), the base plate (341) is provided with the pushing roller (343) and the return spring (344), the pushing roller (343) is connected with the top rod (342) in a clamping mode, and the base plate (341) is connected with the limiting plate (345).
3. The two-color plastic mold of claim 1, wherein: the cooler (35) is composed of a box body (351), a distribution cavity (352), a spray header (353), a cooling water pipe (354) and a recovery water bin (355), the box body (351) is provided with the distribution cavity (352), the spray header (353) is connected with the distribution cavity (352) in a penetrating mode, and the cooling water pipe (354) is connected with the recovery water bin (355).
4. A two-color plastic mold according to claim 3, wherein: the distribution cavity (352) is composed of a net piece (3521), a connecting port (3522), a cavity (3523) and an access channel (3524), the net piece (3521) is connected with the access channel (3524) through the cavity (3523), and the cavity (3523) is provided with the connecting port (3522).
5. The two-color plastic mold of claim 1, wherein: the air extraction device (8) is composed of an air extraction pump (81), an inlet (82), an air extraction assembly (83), an exhaust cavity (84), a guide pipe (85) and a fixing plate (86), wherein the air extraction pump (81) is arranged on the air extraction assembly (83), the inlet (82) is connected with the air extraction assembly (83) into a whole through the guide pipe (85), the guide pipe (85) is arranged on the fixing plate (86), and the guide pipe (85) is communicated with the exhaust cavity (84).
6. The two-color plastic mold of claim 5, wherein: bleed subassembly (83) by inhaling pole (831), frame (832), suction disc (833), bleed fishplate bar (834), draw-in groove (835) and constitute, inhale pole (831) and establish frame (832), it is even as an organic whole with fishplate bar (834) through inhaling pole (831) to bleed sucking disc (833), draw fishplate bar (834) laminating draw-in groove (835).
7. The two-color plastic mold of claim 5, wherein: the exhaust cavity (84) is composed of a suction pipe (841), an exhaust pipe (842), an air outlet cylinder (843) and a guide pipe (844), the suction pipe (841) is communicated with the exhaust pipe (842), and the air outlet cylinder (843) is provided with the guide pipe (844).
8. The two-color plastic mold of claim 6, wherein: the sucking disc (833) consists of a disc body (8331), an air guide (8332) and an air suction block (8333), wherein the air guide (8332) is connected with the air suction block (8333) through the disc body (8331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387093.3A CN111531828A (en) | 2020-05-09 | 2020-05-09 | Double-color plastic mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387093.3A CN111531828A (en) | 2020-05-09 | 2020-05-09 | Double-color plastic mold |
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| Publication Number | Publication Date |
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| CN111531828A true CN111531828A (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010387093.3A Withdrawn CN111531828A (en) | 2020-05-09 | 2020-05-09 | Double-color plastic mold |
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| CN (1) | CN111531828A (en) |
Cited By (1)
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| CN112706361A (en) * | 2020-11-07 | 2021-04-27 | 英华利汽车零部件（赣州）有限公司 | Three-color raw material injection molding process |
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Application publication date: 20200814 |