CN104476717A - Double-material injection moulding machine and forming method thereof - Google Patents
Double-material injection moulding machine and forming method thereof Download PDFInfo
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- CN104476717A CN104476717A CN201410671863.1A CN201410671863A CN104476717A CN 104476717 A CN104476717 A CN 104476717A CN 201410671863 A CN201410671863 A CN 201410671863A CN 104476717 A CN104476717 A CN 104476717A
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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
- B29C45/64—Mould opening, closing or clamping devices
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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
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/06—Injection moulding apparatus using movable moulds or mould halves mounted on a turntable, i.e. on a rotating support having a rotating axis parallel to the mould opening, closing or clamping direction
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a double-material injection moulding machine and a forming method thereof. The double-material injection moulding machine is mainly used for the product production of a mixing injection moulding process of a thermoplastic plastic and a thermosetting liquid silica gel. The double-material injection moulding machine comprises a mould closing mechanism, a rotating disc mechanism, a plastic injection mechanism, a liquid silica gel injection moulding mechanism, a plastic baking and feeding mechanism, a mixer, a hydraulic system and an electric control system, wherein the mixer is formed by connecting a dynamic screw rod and a static mixing tube. According to the double-material injection moulding machine, the rotating disc mechanism can rotate a rear mould plate at 180 degrees so as to exchange mould cavities inside a mould, so that the product is processed at a time, high accuracy of a synthetic product is achieved, the requirement of a customer on the product is easily met, and adverse effect generated due to secondary processing is prevented. The double-material injection moulding machine provided by the invention has the advantages of time conservation, convenience for operation and facilitation in production work.
Description
Technical field
The present invention relates to a kind of bi-plastics injection forming machine and forming method thereof, belong to injection molding technology field.
Background technology
Injection moulding is processing mode important in field of plastics processing, has with short production cycle, and the advantage of energy one-shot forming complex contour, accurate in size plastic products, strong to raw materials used applicability, production efficiency is high, can realize automated production.Injection (mo(u)lding) machine makes thermoplastic or thermosetting plastics through heating, shearing, compressed mixed and conveying effect in heating machine barrel, and fusion plastification also makes it homogenising.Then apply pressure by means of screw rod to the material plastified, force high-temperature fusant to be punched in the die cavity of close die, after supercooling and solidification, make the plastic products with certain geometrical shape and dimensional accuracy.
Plastic-injection moulding machine belongs to existing a kind of injection (mo(u)lding) machine in prior art, such as document CN202208085U discloses a kind of plastic-injection moulding machine, comprise base, the charging system part be arranged on base, molded portion and matched moulds part, described charging system part comprises hopper and feeding cylinder; Described feeding cylinder side arranges heating system, and described heating system side is provided with numerical control box; Described hopper is connected with automatic feed cylinder by pipeline; Described base side is provided with oil pump, and oil pump is connected in matched moulds part by pipeline.
Document CN103331867A discloses a kind of injection (mo(u)lding) machine, comprise closing unit, be designed for installation at least two moulds, to provide at least two different die cavities, wherein, described closing unit has at least two mold cramping plates, for loading the first plasticization unit of the first die cavity in the first mould, for loading the second plasticization unit of the second die cavity in the second mould, described second mould is different from described first mould, it is characterized by: described second plasticization unit is vertically directionally arranged on a support substantially; Described support is fixed on a mold cramping plate; Described support and the second plasticization unit be fixed on support design in the following manner and locate: make the plasticizing cylinder of the second plasticization unit be arranged in outside closing unit, be positioned at end; And a melt transfer is set, this melt transfer is connected with the second plasticization unit and maybe can be connected, wherein, melt transfer is fixed on mold cramping plate also through it, and, described melt transfer is designed to like this, to make the plastic melt produced by the second plasticization unit be entered in die cavity by mold cramping plate and mould.
Bi-plastics injection forming technique, by injecting in same mold cavity respectively by two kinds of materials, can mold the product be made up of two kinds of different colours or different plastics.Bi-plastics injection is shaping utilizes two secondary mould and double coloured plastic injection machines usually, first injection molding working of plastics part is directly entered next process of injection molding as inserts, is at high temperature bonded together by two kinds of materials.
The usual complex structure of existing bi-plastics injection forming machine in prior art, inconvenient operation, such as document CN102582038A discloses a kind of two common injection molding channel of material and turns to change-over panel device, comprises sprue system, secondary channels system, runner change-over panel heat-generating system, cooling fortune water device, tapering positioning aid; Sprue enters blob of viscose, sprue block, main burner, main burner flange are arranged on change-over panel and form sprue system; Auxiliary jet, auxiliary jet flange are arranged on change-over panel and form secondary channels system; Sprue heater is installed on that sprue enters on blob of viscose, temperature detector is arranged on change-over panel, main burner heater is arranged on sprue block, auxiliary jet heater is arranged on auxiliary jet flange, secondary channels heater is arranged on change-over panel and forms runner change-over panel heat-generating system; Cooling fortune water device is installed on change-over panel in order to cool change-over panel; Change-over panel is coordinated with mould by tapering positioning aid locates.
In the shaping technique of hybrid injection of thermoplastic plastic and heat curing-type liquid silica gel, need to adopt liquid-state silicon gel injection structure and feeder equal.Liquid-state silicon gel is relative solid high-temperature sulphurated siliastic, and it is liquid glue, has good fluidity, and sulfuration is fast, and safer environmental protection, can reach food-grade requirement.The liquid-state silicon gel injection structure that the application adopts and the ZL201120258044.6 silica-gel injection gun barrel that feeder has all been obtained the authorization the applicant and ZL201120258005.6 mono-kind for the feeder of feeding liquid silicone in open.ZL201120258044.6 discloses a kind of silica-gel injection gun barrel, and comprise big gun mouth, material stopping valve body, gun barrel, injection ram, described gun barrel is stepped, is provided with and holds material cavity in gun barrel, holds the injection ram coaxially arranging injection cylinder start in material cavity; And fixed by gun barrel flange and gun barrel, in the material stopping valve body that the other end of the appearance material cavity of gun barrel connects, be provided with shot input, output-controlling device, and the material feeding temperature control equipment that big gun mouth connects.Described shot input, output-controlling device are included in the pan feeding pipeline, discharge pipe and the discharging controlling device that arrange in material stopping valve body, and described pan feeding pipeline and discharge pipe are aimed at and held material cavity; And be arranged in parallel, described pan feeding pipeline connects the check valve that the feeding mouth of gun barrel and feeding mouth connect.Described discharging controlling device is included in material stopping valve body; And the material stopping valve cylinder that arranges of discharge pipe top and the needle connector connecting material stopping valve cylinder and needle, described material stopping valve cylinder do rising and falling of the needle that brake control valve needle connector connects; Control the load of discharge pipe.Described material feeding temperature control equipment comprises injection pot, and one end of injection pot is connected on material stopping valve body; And be communicated with discharge pipe, the other end of injection pot connects big gun mouth, be provided with water cooling plant in the outside of injection pot, described water cooling plant comprises the water circulation cooler being provided with delivery port and water inlet being looped around injection pot periphery, also arranges big gun mouth cooler between described big gun mouth and injection pot.Described injection ram is provided with copper sheathing.Cylinder cushion block is provided with between described material stopping valve cylinder and discharge pipe.Described injection ram is provided with seal; Described seal is U-shaped sealing ring.Described injection ram is provided with wearing piece; Described wearing piece is wear rib.
ZL201120258005.6 discloses a kind of feeder for feeding liquid silicone, comprise Raw material pail, pump glue cylinder, constant displacement pump, sebific duct and static mixing tube, described pump glue cylinder comprises pump glue oil cylinder, pull bar, connecting rod, jointing one, pump barrel, pump glue axle, pump glue cylinder gum outlet and charging basket platen, pull bar is connected by jointing with pump glue axle, pump glue oil cylinder is connected by connecting rod with pump barrel, pump barrel outside is provided with pump glue cylinder gum outlet, is fixed with charging basket platen below pump barrel and between Raw material pail; Described constant displacement pump comprises oil cylinder, quantitatively pumps into Jiao Kou, constant displacement pump gum outlet, A ratio cylinder, B ratio cylinder, A ratio axle, B ratio axle, upper flange plate, lower flange plate, push pedal and jointing two, A, B ratio cylinder upper cover fixed by upper flange plate, A, B ratio cylinder lower cover fixed by lower flange plate, stretchable A, B ratio axle is provided with in A, B ratio cylinder, A, B ratio cylinder top is provided with and quantitatively pumps into Jiao Kou, bottom is provided with constant displacement pump gum outlet, A, B ratio axle lower horizontal is fixed in push pedal, and jointing is fixedly connected with oil cylinder and push pedal; Described pump glue cylinder gum outlet with quantitatively pump into Jiao Kou, constant displacement pump gum outlet is connected by sebific duct with between static mixing tube.Described pump glue shaft section amass at least reach 1/2nd of pump barrel internal cross-sectional area can realize when pump glue axle moves up and down export sizing material equal.The described Jiao Kou bottom that quantitatively pumps into also is provided with A check valve and B check valve.In described constant displacement pump, arrange A ratio cylinder equal with the volume of B ratio cylinder, A ratio axle is equal with the internal cross-sectional area of B ratio axle.
The usual complex structure of existing bi-plastics injection forming machine in prior art, inconvenient operation, the precision of sintetics is not high, often needs secondary operations, produces harmful effect to product.
Summary of the invention
In order to solve above technical problem; the present invention proposes a kind of bi-plastics injection forming machine, comprises clamping, rotating disk mechanism, injection molding machine of plastic structure, liquid-state silicon gel injecting program mechanism, the warming and feed mechanism, the blender connected to form by dynamic screw rod and static mixing tube, hydraulic system and electric-control system of plastics.
Clamping is the vertical compression type mould closing mechanism of horizontal matched moulds, for completing the folding of mould.
Clamping comprises moving platen, rear mold, front mould and solid plate.
Rear pattern plate end face can be installed a set of mould having 2 symmetric relation die cavitys at least, the end face of front template can be installed mould that is a set of and rear mold corresponding relation die cavity, the die cavity on the end face of front mould and the corresponding die cavity on the end face of rear mold form the face shaping of the two stock product of injection mo(u)lding jointly.
Rear pattern plate can be rotated 180 ° by rotating disk mechanism, and in mould two groups of die cavitys are exchanged.
Injection molding machine of plastic structure is arranged on above solid plate, is vertical injection structure, for completing plastics Shooting Technique.
Liquid-state silicon gel injecting program mechanism is horizontal liquid silica gel gum-filling mechanism, is arranged on the right of solid plate, and horizontal liquid silicon gel injection forming machine structure is for completing the injection molding technique of liquid-state silicon gel.
Plastics warm and then feed mechanism is transported to plastics gun barrel place realizes feed for being carried out warming by plastic raw materials.
The blender connected to form by dynamic screw rod and static mixing tube fully mixes with mill base for feeder being carried A, B two groups of silica gel of coming.
The present invention also provides a kind of main frame of bi-plastics injection forming machine, comprises machine casing, seat penetrated by safety door, grating, moving platen, rotating disk mechanism, latch, oil motor, injection moulding gun barrel, plastics batch can, plastics, liquid-state silicon gel injection gun barrel, liquid-state silicon gel penetrate seat, fuel tank, control computer, control electronic box and frame.
The present invention also provides a kind of forming method of bi-plastics injection forming machine, it is characterized in that comprising the following steps:
A, close tight mould;
B, injection of plastic material;
C, die sinking;
D, latch location is moved back, and then perform rotating disk and rotate clockwise 180 °, exchange the position of mould, and then latch enters location;
E, again perform mould assembling action, the die cavity now containing plastic semi-finished product is transferred to lower mode cavity;
F, injection liquid silica gel technique, then injection of plastic technique;
After G, sulfidization molding, perform die sinking action, take out two stock product;
H, repetition C-H step, carry out the work circulated.
Wherein the step B plastic screw gun barrel comprised on first machine rotates the plasticizing colloidal sol work of the capable plastics of loose setback; Then the plastic raw materials of melting is injected in wherein one group of die cavity of mould and carries out cooling forming.
In step C, machine performs die sinking action and is opened by mould, just shaping plastic product in the A die cavity of moving platen;
The rotating disk mechanism be arranged in D step on moving platen rotates forward 180 °, and the mould on rotating disk is rotated exchange 180 °, and the A die cavity containing plastic product is transposed to bottom.
In E step, machine performs mould assembling action again and closes tight by mould, is cavity, has the chipware of plastic product in lower mold cavity in the upper cavity of now moving platen.
In F step, first machine performs the technique of injection liquid silica gel, liquid-state silicon gel is injected into the die cavity on the end face of front mould, die cavity on the end face of front mould is corresponding with the die cavity on the end face of rear mold, the face shaping of the two stock product of common formation injection mo(u)lding, makes liquid-state silicon gel and plastics composite molding to be a complete product; After liquid-state silicon gel injection technique completes, and then machine performs Shooting Technique, and the product of molded plastic portions in the die cavity of sky, liquid-state silicon gel carries out sulfidization molding fast under mold temperature is the temperature of about 120 DEG C.
In G step, machine performs die sinking action and is opened by mould after cure time completes, and now just can obtain the final joint product of plastics and silica gel wherein in a die cavity, have also been obtained the semi-finished product of parts of plastics simultaneously in another die cavity.
By above step, product is processed at one time bi-plastics injection forming machine described in the application and the precision of sintetics is high, easily meet the requirement of client to product, avoid the harmful effect because secondary operations produces, advantage is to save time, easy to operate, be beneficial to production work.
Accompanying drawing explanation
Fig. 1 is the overall appearance schematic diagram of the bi-plastics injection forming machine described in the application.
Fig. 2 is the overall appearance schematic diagram of another angle of the bi-plastics injection forming machine described in the application.
The schematic diagram of the tight mould of conjunction that Fig. 3 is the bi-plastics injection forming machine described in the application.
Schematic diagram after the injection of plastic material that Fig. 4 is the bi-plastics injection forming machine described in the application.
Fig. 5 is the die sinking schematic diagram of the bi-plastics injection forming machine described in the application.
The rotating disk that Fig. 6 is the bi-plastics injection forming machine described in the application rotates clockwise the schematic diagram of 180 °.
Fig. 7 is the schematic diagram again closing tight mould of the bi-plastics injection forming machine described in the application.
Schematic diagram after the injection liquid silica gel technique that Fig. 8 is the bi-plastics injection forming machine described in the application and injection of plastic technique.
The schematic diagram of the two stock product of the taking-up that Fig. 9 is the bi-plastics injection forming machine described in the application.
Detailed description of the invention
Bi-plastics injection forming machine of the present invention comprises clamping, rotating disk mechanism, injection molding machine of plastic structure, liquid-state silicon gel injecting program mechanism, the warming and feed mechanism, the blender connected to form by dynamic screw rod and static mixing tube, hydraulic system and electric-control system of plastics.Wherein clamping is the vertical compression type mould closing mechanism of horizontal matched moulds, for completing the folding of mould.Clamping comprises moving platen, rear mold, front mould and solid plate.Rear pattern plate end face can be installed a set of mould having 2 symmetric relation die cavitys at least, the end face of front template can be installed mould that is a set of and rear mold corresponding relation die cavity, the die cavity on the end face of front mould and the corresponding die cavity on the end face of rear mold form the face shaping of the two stock product of injection mo(u)lding jointly.Rear pattern plate can be rotated 180 ° by rotating disk mechanism, and in mould two groups of die cavitys are exchanged.Injection molding machine of plastic structure is arranged on above solid plate, is vertical injection structure, for completing plastics Shooting Technique.Liquid-state silicon gel injecting program mechanism is horizontal liquid silica gel gum-filling mechanism, is arranged on the right of solid plate, and horizontal liquid silicon gel injection forming machine structure is for completing the injection molding technique of liquid-state silicon gel.Plastics warm and then feed mechanism is transported to plastics gun barrel place realizes feed for being carried out warming by plastic raw materials.The blender connected to form by dynamic screw rod and static mixing tube fully mixes with mill base for feeder being carried A, B two groups of silica gel of coming.
Bi-plastics injection forming machine is mainly used in the production of the shaping technique of hybrid injection of thermoplastic plastic and heat curing-type liquid silica gel.The present embodiment essentially describes the bi-plastics injection forming machine that model is TYM-SWL45, and its operation principle is: the plastic screw gun barrel first on machine rotates the plasticizing colloidal sol work of the capable plastics of loose setback, now the temperature of plastic cement about 250 DEG C; Then be injected into by the plastic raw materials of melting in mould A group die cavity and carry out cooling forming, now the temperature of plastic product and mould is about 120 DEG C, and this temperature just meets liquid-state silicon gel to carry out the shaping temperature of short vulcanization; Then mould is opened by machine execution die sinking action, just shaping plastic product in the A die cavity of moving platen, the rotating disk mechanism be arranged on moving platen rotates forward 180 °, mould on rotating disk is rotated exchange 180 °, the rear pattern plate partial design of mould has two groups of duplicate mold cavity configuration, front template is designed with two groups and rotates 180 ° of symmetrical structures, but the structure of die cavity is different.And then machine performs mould assembling action again by tight for mould conjunction, is still now cavity in solid plate A group die cavity, and had the chipware of plastic product in the B group die cavity of solid plate.Liquid-state silicon gel is injected in B group die cavity by the technique that subsequently first machine performs injection liquid silica gel, makes liquid-state silicon gel and plastics composite molding to be a complete product.Liquid-state silicon gel injection structure and feeder all adopt the silica-gel injection gun barrel (ZL201120258044.6) of the acquired patent of our company, a kind of feeder for feeding liquid silicone (ZL201120258005.6).After liquid-state silicon gel injection technique completes, and then machine performs Shooting Technique, the product of molded plastic portions in A die cavity.Liquid-state silicon gel carries out sulfidization molding fast under mold temperature is the temperature of about 120 DEG C.Machine performs die sinking action and is opened by mould after cure time completes, the final joint product of plastics and silica gel now just can be obtained in B group die cavity, have also been obtained the semi-finished product of parts of plastics in A group die cavity simultaneously, when performing the next round production cycle, the rotating disk of machine reverses 180 ° and moving platen is turned 180 ° of production works carrying out circulating.
As depicted in figs. 1 and 2, the machine construction of TYM-SWL45 bi-plastics injection forming machine comprises machine casing 1, safety door 2, grating 3, moving platen 4, rotating disk mechanism 5, latch 6, oil motor 7, injection moulding gun barrel 8, plastics batch can 9, seat 10 penetrated by plastics, liquid-state silicon gel injection gun barrel 11,. liquid-state silicon gel penetrates seat 12, fuel tank 13, controls computer 14, controls electronic box 15 and frame 16.
Connection with figures 3-9 illustrates the forming method of TYM-SWL45 bi-plastics injection forming machine below.The method comprises the following steps:
A, close tight mould.As shown in Figure 3, moving platen 1 ' is fixedly connected with rotating disk mechanism 2 ', and rotating disk mechanism 2 ' is fixedly connected with rear mold 3 '; Solid plate 5 ' is fixedly connected with front mould 4 '.The end face of rear mold 3 ' is formed with two in laterally zygomorphic mold cavity configuration, is respectively A die cavity and B die cavity.A die cavity is identical with the structure of B die cavity, that is, when rotating when 180 ° around central axis under the drive of rear mold 3 ' at rotating disk mechanism 2 ', and the location swap of A die cavity and B die cavity.Position corresponding with B die cavity on the end face of front mould 4 ' is provided with corresponding die cavity, and the die cavity on the end face of front mould and the corresponding die cavity on the end face of rear mold form the face shaping of the two stock product of injection mo(u)lding jointly.When closing tight mould, rear mold 3 ' fits together with the end face of front mould 4 ', and B die cavity and the corresponding die cavity on the end face of front mould 4 ' form the complete face shaping of the two stock product of injection mo(u)lding.
B, injection of plastic material.Here injection of plastic material points to the A die cavity injected plastic material being arranged in the top of rear mold 3 '.As shown in Figure 4, the plastic screw gun barrel first on machine rotates the plasticizing colloidal sol work of the capable plastics of loose setback, now the temperature of plastic cement about 250 DEG C; Then be injected in A die cavity by the plastic raw materials of melting and carry out cooling forming, now the temperature of plastic product and mould is about 120 DEG C.
C, die sinking.As shown in Figure 5, machine performs die sinking action and is opened by mould, just shaping plastic product in the A die cavity of moving platen.
D, latch 6 location is moved back, and then perform rotating disk and rotate clockwise 180 °, exchange the position of mould, and then latch enters location.As shown in Figure 6, the rotating disk mechanism be arranged on moving platen rotates forward 180 °, and the mould on rotating disk is rotated exchange 180 °, and the A die cavity containing plastic product is transposed to bottom, and empty B die cavity is transposed to top.
E, again perform mould assembling action, the die cavity now containing plastic semi-finished product is transferred to lower mode cavity.As shown in Figure 7, machine performs mould assembling action again and closes tight by mould, is cavity, has the chipware of plastic product in the A die cavity of bottom in the top B die cavity of now moving platen.
F, injection liquid silica gel technique, then injection of plastic technique.As shown in Figure 8, first machine performs the technique of injection liquid silica gel, liquid-state silicon gel is injected into the die cavity on the end face of front mould, die cavity on the end face of front mould is corresponding with the A die cavity on the end face of rear mold, the face shaping of the two stock product of common formation injection mo(u)lding, makes liquid-state silicon gel and plastics composite molding to be a complete product; After liquid-state silicon gel injection technique completes, and then machine performs Shooting Technique, and the product of molded plastic portions in the die cavity of the sky on top, liquid-state silicon gel carries out sulfidization molding fast under mold temperature is the temperature of about 120 DEG C.Certainly, the technical staff of skilled is appreciated that, here injection liquid silica gel technique and injection of plastic technique also can be carried out simultaneously, or first in the die cavity of the sky on top, perform injection of plastic technique, and then perform injection liquid silica gel technique in corresponding die cavity on the end face of front mould.After F step completes, define complete two stock product in the die cavity of bottom, in upper cavity, define plastic product, namely the half of two stock product, i.e. parts of plastics.
After G, sulfidization molding, perform die sinking action, take out two stock product.As shown in Figure 9, machine performs die sinking action and is opened by mould after cure time completes, now just can obtain the final joint product of plastics and silica gel and complete two stock product in a die cavity wherein, in another die cavity, have also been obtained the semi-finished product of parts of plastics simultaneously.
H, repetition C-H step, carry out the work circulated.
More than be fully described the workflow of TYM-SWL45 bi-plastics injection forming machine.Should be understood that, above embodiment is only schematic, should not be construed the restriction to the application's protection domain.Based on description above, additional variants and modifications is apparent for those of ordinary skills, and within the protection domain all falling into the application, and protection scope of the present invention is determined by appended claim.
Such as; the mold cavity configuration that the end face of rear mold 3 ' is formed is not limited to A and B two; it can be two or more; the die cavity of the correspondence on the end face of corresponding front mould 4 ' also can be two or more; as long as can meet rotating disk mechanism drives after rear mold 3 ' rotates suitable angle; the face shaping that die cavity on the end face of rear mold 3 ' and the corresponding die cavity on the end face of front mould 4 ' can form the two stock product of injection mo(u)lding jointly just meets the spirit of the application, should belong to protection scope of the present invention.
Claims (10)
1. a bi-plastics injection forming machine; it is characterized in that, comprise clamping, rotating disk mechanism, injection molding machine of plastic structure, liquid-state silicon gel injection forming machine structure, the warming and feed mechanism, the blender connected to form by dynamic screw rod and static mixing tube, hydraulic system and electric-control system of plastics.
2. bi-plastics injection forming machine as claimed in claim 1, it is characterized in that, clamping is the vertical compression type mould closing mechanism of horizontal matched moulds, for completing the folding of mould.
3. bi-plastics injection forming machine as claimed in claim 2, it is characterized in that, clamping comprises moving platen, rear mold, front mould and solid plate.
4. the bi-plastics injection forming machine as described in any one of claim 1-3, it is characterized in that, rear pattern plate end face is installed a set of mould having 2 symmetric relation die cavitys at least, the end face of front template is installed mould that is a set of and rear mold corresponding relation die cavity, the die cavity on the end face of front mould and the corresponding die cavity on the end face of rear mold form the face shaping of the two stock product of injection mo(u)lding jointly.
5. bi-plastics injection forming machine as claimed in claim 4, it is characterized in that, rear pattern plate can be rotated 180 ° by rotating disk mechanism, and in mould two groups of die cavitys are exchanged.
6. bi-plastics injection forming machine as claimed in claim 5, it is characterized in that, injection molding machine of plastic structure is arranged on above solid plate, is vertical injection structure, for completing plastics Shooting Technique.
7. bi-plastics injection forming machine as claimed in claim 6, it is characterized in that, liquid-state silicon gel injection forming machine structure is horizontal liquid silica gel gum-filling mechanism, is arranged on the right of solid plate, and horizontal liquid silicon gel injection forming machine structure is for completing the injection molding technique of liquid-state silicon gel.
8. bi-plastics injection forming machine as claimed in claim 7, is characterized in that, plastics warm and then feed mechanism is transported to plastics gun barrel place realizes feed for being carried out warming by plastic raw materials.
9. the main frame of a bi-plastics injection forming machine as claimed in claim 1, it is characterized in that, comprise machine casing, seat penetrated by safety door, grating, moving platen, rotating disk mechanism, latch, oil motor, injection moulding gun barrel, plastics batch can, plastics, liquid-state silicon gel injection gun barrel, liquid-state silicon gel penetrate seat, fuel tank, control computer, control electronic box and frame.
10. the bi-plastics injection forming machine as described in claim 1-8 and a forming method for main frame as claimed in claim 9, is characterized in that comprising the following steps:
Close tight mould;
Injection of plastic material;
Die sinking;
Latch location is moved back, and then perform rotating disk and rotate clockwise 180 °, exchange the position of mould, and then latch enters location;
Again perform mould assembling action, the die cavity now containing plastic semi-finished product is transferred to lower mode cavity;
Injection liquid silica gel technique, then injection of plastic technique;
After sulfidization molding, perform die sinking action, take out two stock product;
Repeat C-H step, carry out the work circulated.
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| CN201410671863.1A CN104476717B (en) | 2014-11-21 | 2014-11-21 | A kind of bi-plastics injection forming machine and forming method thereof |
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| CN107020718A (en) * | 2016-01-29 | 2017-08-08 | 发那科株式会社 | The installation stand and injection molding device for molding of injection device |
| CN107756709A (en) * | 2017-11-16 | 2018-03-06 | 肖海斌 | A kind of electronic liquid-state silicon gel feeder |
| CN107791440A (en) * | 2016-09-01 | 2018-03-13 | 株式会社名机制作所 | Rotary injection molding machine |
| CN108638438A (en) * | 2018-04-27 | 2018-10-12 | 苏州易昌泰塑胶有限公司 | A kind of notebook foot pad and its adapted to injection system and its Shooting Technique |
| CN108858971A (en) * | 2017-05-09 | 2018-11-23 | 杭州海康威视数字技术股份有限公司 | A kind of high temperature resistant liquid-state silicon gel double-shot moulding method and handheld device enclosure |
| CN111300765A (en) * | 2020-03-09 | 2020-06-19 | 广州承天包装设计有限公司 | Die for integrally forming double material covers and machining method of double material covers |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020718A (en) * | 2016-01-29 | 2017-08-08 | 发那科株式会社 | The installation stand and injection molding device for molding of injection device |
| CN107020718B (en) * | 2016-01-29 | 2019-07-05 | 发那科株式会社 | The installation rack and injection molding device for molding of injection device |
| CN107791440A (en) * | 2016-09-01 | 2018-03-13 | 株式会社名机制作所 | Rotary injection molding machine |
| CN107791440B (en) * | 2016-09-01 | 2019-10-25 | 株式会社名机制作所 | Rotary injection molding machine |
| CN108858971A (en) * | 2017-05-09 | 2018-11-23 | 杭州海康威视数字技术股份有限公司 | A kind of high temperature resistant liquid-state silicon gel double-shot moulding method and handheld device enclosure |
| CN107756709A (en) * | 2017-11-16 | 2018-03-06 | 肖海斌 | A kind of electronic liquid-state silicon gel feeder |
| CN108638438A (en) * | 2018-04-27 | 2018-10-12 | 苏州易昌泰塑胶有限公司 | A kind of notebook foot pad and its adapted to injection system and its Shooting Technique |
| CN111300765A (en) * | 2020-03-09 | 2020-06-19 | 广州承天包装设计有限公司 | Die for integrally forming double material covers and machining method of double material covers |
| CN111300765B (en) * | 2020-03-09 | 2021-12-03 | 广州承天包装设计有限公司 | Die for integrally forming double material covers and machining method of double material covers |
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| CN104476717B (en) | 2015-09-30 |
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