CN105235149B - A kind of method of injection mold and injection molding with side gate needle - Google Patents
A kind of method of injection mold and injection molding with side gate needle Download PDFInfo
- Publication number
- CN105235149B CN105235149B CN201510767718.8A CN201510767718A CN105235149B CN 105235149 B CN105235149 B CN 105235149B CN 201510767718 A CN201510767718 A CN 201510767718A CN 105235149 B CN105235149 B CN 105235149B
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- needle
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- nozzle
- side gate
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- 238000002347 injection Methods 0.000 title claims abstract description 49
- 239000007924 injection Substances 0.000 title claims abstract description 49
- 238000001746 injection moulding Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 37
- 239000011347 resin Substances 0.000 claims abstract description 36
- 229920005989 resin Polymers 0.000 claims abstract description 36
- 239000012530 fluid Substances 0.000 claims description 15
- 230000000630 rising effect Effects 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
- B29C45/23—Feed stopping equipment
- B29C45/231—Needle valve systems therefor
-
- 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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of method of injection mold and injection molding with side gate needle, including：Solid plate and its corresponding moving platen, a side nozzle fixed plate for being located at shape chamber side is provided with the solid plate, side nozzle is provided with the side nozzle fixed plate, a side nozzle block is provided with the side nozzle, a nozzle head is provided with the side nozzle block, an opening and closing needle is provided with the nozzle head, a cylinder assembly is provided with the solid plate and the startup needle to be linked that is connected with cylinder assembly, the end for starting needle are provided with an inclined-plane chute corresponding with opening and closing valve needle terminal end.By the above-mentioned means, the method for injection mold and injection molding of the present invention with side gate needle, compact-sized, it is quick for installation, the Multistage Control of cylinder assembly is flexible, avoids solidification of the molten resin in side gate, improves stripping result and product quality.
Description
Technical field
The present invention relates to injection molding art, more particularly to a kind of injection mold with side gate needle and injection molding
Method.
Background technology
In plastic cement products design, the top surface of product or bottom surface can use the design of side gate when being not allow for cast gate print,
And in order to improve the efficiency of injection molding and quality, it will usually use the hot runner injection molding system of needle valve type cast gate.
The side gate direction of side gate type hot runner plastic injection mould is different from the opening and closing direction of mould so that side gate
Valve needle device is not easy to set very much, and part side gate valve needle device needs very big installation space, causes mould whole
Body becomes large-sized, and the axially different assembling of diverse location is extremely complex and difficult with apportioned effort, the joint portion with other parts
Position is very more, the part increase for causing to prevent joint portion leak adhesive and add.
In addition, by traditional forming method, a part of resin in die cavity can be immersed in cast gate front end, and intraoral solid pouring
Change, this partially cured resin can be stuck at cast gate when die sinking takes product, cause product not take out smoothly, if taken by force
Go out, back-off bad phenomenon occurs in product surface.
The content of the invention
The present invention solves the technical problem of provide a kind of injection mold and injection molding with side gate needle
Method, simplify the structure and installation difficulty of side gate needle component, avoid the resin of shape intracavitary during production from pouring intraoral solidification.
In order to solve the above technical problems, one aspect of the present invention is：One kind is provided and carries side gate needle
Injection mold, including：Solid plate and its corresponding moving platen, the shape of plastic cement products is formed between the solid plate and moving platen
Chamber, a side nozzle fixed plate for being located at shape chamber side is provided with the solid plate, is provided with the side nozzle fixed plate
Side nozzle, the main burner being connected with side nozzle is provided with the solid plate, a side nozzle is provided with the side nozzle
Block, a nozzle head is provided with the side nozzle block, is provided with an opening and closing needle in the nozzle head, on the solid plate
It is provided with a cylinder assembly and the startup needle to be linked that is connected with cylinder assembly, the end for starting needle is set
An inclined-plane chute corresponding with opening and closing valve needle terminal end is equipped with, the opening and closing valve needle terminal end is extended to outside nozzle head and set
There is the sliding block being caught in inclined-plane chute.
In a preferred embodiment of the present invention, the cylinder assembly includes for starting cylinder body and being provided at its inner portion
One piston and second piston, described start are provided with respectively in cylinder body positioned at the first space of first piston above and below and the
Two spaces, it is described to start the 3rd space and the 4th space for being provided with cylinder body and being located at second piston above and below respectively, institute
State startup needle top to be linked with second piston, the second piston is located above first piston and carried out with first piston
Move up and down.
In a preferred embodiment of the present invention, the side nozzle fixed plate side is provided with the side connected with shape chamber and poured
Mouthful, the front end of the opening and closing needle is provided with cylinder valve body corresponding with side gate, axle of the opening and closing needle along side gate
To setting.
In a preferred embodiment of the present invention, the main burner is set along the opening and closing direction of solid plate and moving platen,
Flow distribution plate is provided with the solid plate, the flow distribution plate side is provided with the first hot-fluid bend connected with main burner, described
Start needle to sequentially pass through flow distribution plate, main burner and side nozzle and with opening and closing needle be connected.
In a preferred embodiment of the present invention, the startup needle is perpendicular with opening and closing needle and links, the startup
Needle moves up and down the side-to-side movement for driving opening and closing needle.
In a preferred embodiment of the present invention, connecting tube is provided between the main burner and side nozzle to be connected,
The guide finger extended to inside side nozzle is fixedly installed on the main burner, is provided with the side nozzle corresponding with guide finger
Guiding slide opening.
In a preferred embodiment of the present invention, the side nozzle block is provided with a screwed hole, the nozzle head rear end
Be threadedly secured to side nozzle block in corresponding with screwed hole is provided with cylindrical.
In a preferred embodiment of the present invention, the second hot-fluid being connected with side nozzle is provided with the side nozzle block
Bend, the molten resin passage being connected with the second hot-fluid bend, opening and closing needle front end axle are provided with the nozzle head
To being arranged in molten resin passage.
In a preferred embodiment of the present invention, the side nozzle block rear is provided with the outside of startup valve needle terminal end
Support block, it is provided between the support block and side nozzle block positioned at the spacing contiguous block started below valve needle terminal end.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of utilize is provided to pour with side
The method that the injection mold of mouth needle carries out injection molding, comprises the following steps：
Closure solid plate and moving platen are arranged on injection machine, startup injection machine, charging hot melt, solid plate is closed and moves
Template；
Control starts cylinder body, injects air into the first space so that and first piston rises and compresses second space, and second
Piston rises therewith, treats that second space is stopped supply toward the first space after compression, then toward injecting in the 3rd space
Air so that second piston continues to rise, and starts needle and rises with the rising of second piston, starts the inclined-plane of valve needle terminal end
When chute rises, it is caught in the sliding block of inclined-plane chute and is retreated in the position of inclined-plane chute therewith changing, driven opening and closing needle
Retreat, stop injecting air toward in the 3rd space until cylinder valve body exits side gate completely；
Start injection machine and carry out injection injection so that molten resin passes sequentially through the first hot-fluid bend, main burner, side spray
Mouth, the second hot-fluid bend, molten resin passage and side gate and enter shape chamber；
Shape chamber is melt the air discharged after melt resin is filled in the first space and the 3rd space completely so that starts under needle
Fall, opening and closing needle advances, and final cylinder valve body fills in side gate and the shape intracavitary extended on the outside of side gate, stops molten resin
Into shape chamber；
The molten resin of shape intracavitary starts curing molding, and before the molten resin of shape intracavitary is fully cured, control starts
Cylinder body, inject air into the first space so that first piston rises and compresses second space, and second piston rises therewith, treats
Second space stops the supply toward the first space after being compressed, start needle and rise with the rising of second piston, drive
The retrogressing of opening and closing needle so that cylinder valve body fallen back in side gate；
After shaping is fully cured in the molten resin of shape intracavitary, solid plate and moving platen are opened, product takes out from shape chamber, then
Solid plate and moving platen are closed, injects air in past 3rd space so that second piston continues to rise, and starts needle and is lived with second
The rising of plug and rise, stop injecting air toward in the 3rd space until cylinder valve body exits side gate completely, carry out second
The injection injection of product, circulation production.
The beneficial effects of the invention are as follows：A kind of injection mold and injection molding with side gate needle that the present invention points out
Method, using it is vertically disposed opening and closing needle and start needle cooperation, complete side gate and open and close, structure is tight
Gathering, quick for installation, the Multistage Control of cylinder assembly is flexible so that cylinder valve body converts in the outside of side gate, inside and inner side,
Coordinate the solidification of molten resin, avoid solidification of the molten resin in side gate, improve stripping result and product quality, keep away
Exempt from product surface and the bad phenomenon of back-off occur.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein：
Fig. 1 is a kind of preferred embodiment of method one of injection mold and injection molding with side gate needle of the present invention
Structural representation；
Fig. 2 is the partial enlarged drawing of part A in Fig. 1；
Fig. 3 be in a kind of method of injection mold and injection molding with side gate needle of the present invention cylinder assembly one compared with
The structural representation of good embodiment.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Fig. 1 to Fig. 3 is referred to, the embodiment of the present invention includes：
A kind of injection mold with side gate needle, including：Solid plate 1 and its corresponding moving platen 2, the solid plate
The shape chamber 21 of plastic cement products is formed between 1 and moving platen 2, a side for being located at the side of shape chamber 21 is provided with the solid plate 1
Nozzle fixed plate 11, the side of side nozzle fixed plate 11 are provided with the side gate 18 connected with shape chamber 21, from the side of shape chamber 21
It is molded, avoids leaving the cast gate marking at the top and bottom of product, meet customer requirement.
Side nozzle 15 is provided with the side nozzle fixed plate 11, is provided with the solid plate 1 and is connected with side nozzle 15
The main burner 14 connect, a side nozzle block 6 is provided with the side nozzle 15, a nozzle is provided with the side nozzle block 6
First 5, an opening and closing needle 4 is provided with the nozzle head 5, be provided with the solid plate 1 cylinder assembly and with gas
Cylinder component is connected the startup needle 3 to be linked, and the end for starting needle 3 is provided with one and opening and closing needle 4 end
Corresponding inclined-plane chute, opening and closing needle 4 end extend to the outside of nozzle head 5 and are provided with the cunning being caught in inclined-plane chute
Block.It is described startup needle 3 with opening and closing needle 4 it is perpendicular and link, it is described start needle 3 move up drive opening and closing needle 4 after
Move back, the structure spy for moving down the advance for driving opening and closing needle 4, taking full advantage of solid plate 1 and moving platen 2 for starting needle 3
Point, volume compact, assembling are quick.
The cylinder assembly includes the first piston 71 and second piston 72 for starting cylinder body 7 and being provided at its inner portion, institute
State to start and be provided with cylinder body 7 respectively positioned at the first space 73 of the above and below of first piston 71 and second space 74, it is described
Start the 3rd space 75 and the 4th space 76 for being provided with cylinder body 7 and being located at the above and below of second piston 72 respectively, it is described to open
The dynamic top of needle 3 is linked with second piston 72, and the second piston 72 is located above first piston 71 and with first piston
71 move up and down, and by controlling the intake and exhaust in the first space 73 and second space 74, are moved down on regulation startup needle 3
It is dynamic, so as to realize moving forward and backward for opening and closing needle 4.
The front end of the opening and closing needle 4 is provided with cylinder valve body 41 corresponding with side gate 18, the opening and closing needle 4 along
Side gate 18 it is axially arranged.Cylinder valve body 41 enter side gate 18 when, side gate 18 is blocked, block shape chamber 21 with
The circulation of molten resin in nozzle head 5.
The main burner 14 is set along the opening and closing direction of solid plate 1 and moving platen 2, is provided with the solid plate 1 point
Flowing plate 12, the side of flow distribution plate 12 are provided with the first hot-fluid bend 13 connected with main burner 14, and the startup needle 3 is successively
It is connected through flow distribution plate 12, main burner 14 and side nozzle 15 with opening and closing needle 4, improves the compact effect of structure.
Connecting tube 16 is provided between the main burner 14 and side nozzle 15 to be connected, it is fixed on the main burner 14 to set
The guide finger 17 extended to inside side nozzle 15 is equipped with, be oriented to corresponding with guide finger 17 is provided with the side nozzle 15 and is slided
Hole, reduce main burner 14 and side nozzle 15 in injection moulding process because of expanded by heating and caused by dislocation.
The side nozzle block 6 is provided with a screwed hole, is provided with the rear end of nozzle head 5 is cylindrical corresponding with screwed hole
Be threadedly secured in side nozzle block 6, be connected firmly, installation and removal are more convenient, and durability is good.
The second hot-fluid bend 63 being connected with side nozzle 15 is provided with the side nozzle block 6, is set in the nozzle head 5
The molten resin passage 51 being connected with the second hot-fluid bend 63 is equipped with, opening and closing needle 4 front end is axially disposed within melting tree
In fat passage 51.The front end of molten resin passage 51 is connected so as to the injection for carrying out molten resin to shape chamber 21 with side gate 18.
The rear of side nozzle block 6 is provided with positioned at the support block 61 started on the outside of needle 3 end, the support block 61 with
It is provided between side nozzle block 6 positioned at the spacing contiguous block 62 started below the end of needle 3.Spacing contiguous block 62 limits startup
The maximum displacement that needle 3 moves down, avoid being opened and closed the shock of needle 4 and nozzle head 5, improve the service life of opening and closing needle 4.
A kind of method that injection molding is carried out using the injection mold with side gate needle, is comprised the following steps：
Closure solid plate 1 and moving platen 2 are arranged on injection machine, starts injection machine, charging hot melt, closes solid plate 1
With moving platen 2；
Control starts cylinder body, injects air into the first space 73 so that first piston 71 rises and compresses second space
74, second piston 72 rises therewith, treats that second space 74 is stopped supply toward the first space 73 after compression, then toward the
Injection air in three spaces 75 so that second piston 72 continues to rise, and starts needle 3 and rises with the rising of second piston 72,
When starting the inclined-plane chute of needle 3 end and rising, be caught in the sliding block of inclined-plane chute therewith changing in the position of inclined-plane chute and
Retreat, driven the retrogressing of opening and closing needle 4, stop noting toward in the 3rd space 75 until cylinder valve body 41 exits side gate 18 completely
Enter air；
Start injection machine and carry out injection injection so that molten resin passes sequentially through the first hot-fluid bend 13, main burner 14, side
Nozzle 15, the second hot-fluid bend 63, molten resin passage 51 and side gate 18 and enter shape chamber 21；
After shape chamber 21 is melt melt resin filling completely, the air in the first space 73 and the 3rd space 75 is discharged so that open
Dynamic needle 3 falls, and opening and closing needle 4 advances, and final cylinder valve body 41 fills in side gate 18 and extends to the shape in the outside of side gate 18
In chamber 21, stop that molten resin enters back into shape chamber 21；
Molten resin in shape chamber 21 starts curing molding, before the molten resin in shape chamber 21 is fully cured, control
Start cylinder body 7, inject air into the first space 73 so that first piston 71 rises and compresses second space 74, second piston
72 rise therewith, treat that second space 74 stops the supply toward the first space 73 after being compressed, start needle 3 with second piston
72 rising and rise, driven opening and closing needle 4 retrogressing so that cylinder valve body 41 is fallen back in side gate 18, avoids shape chamber
Molten resin in 21 enters in side gate 18 and solidified, and lifts the convenience of the demoulding；
After shaping is fully cured in molten resin in shape chamber 21, opens solid plate 1 and moving platen 2, product take from shape chamber 21
Go out, be then shut off solid plate 1 and moving platen 2, toward 75 interior injection air of the 3rd space so that second piston 72 continues to rise, and opens
Dynamic needle 3 rises with the rising of second piston 72, stops until cylinder valve body 41 exits side gate 18 completely toward the 3rd space
Injection air in 75, carry out the injection injection of second product, circulation production.
In summary, the method for a kind of injection mold and injection molding with side gate needle that the present invention points out, body
Compact, the simple installation of product, improve the production efficiency and product quality of side gate injecting products.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (8)
1. a kind of injection mold with side gate needle, including：Solid plate and its corresponding moving platen, the solid plate and dynamic
The shape chamber of plastic cement products is formed between template, it is characterised in that a side for being located at shape chamber side is provided with the solid plate
Nozzle fixed plate, side nozzle is provided with the side nozzle fixed plate, is provided with what is be connected with side nozzle in the solid plate
Main burner, a side nozzle block is provided with the side nozzle, a nozzle head, the nozzle are provided with the side nozzle block
An opening and closing needle is provided with head, is provided with a cylinder assembly on the solid plate and the progress that is connected with cylinder assembly
The startup needle of linkage, the end for starting needle are provided with an inclined-plane chute corresponding with opening and closing valve needle terminal end, institute
State opening and closing valve needle terminal end to extend to outside nozzle head and be provided with the sliding block being caught in inclined-plane chute, the startup needle and opening and closing
Needle is perpendicular and links, the side-to-side movement for moving up and down drive opening and closing needle for starting needle, the cylinder assembly bag
Include and start cylinder body and the first piston and second piston that are provided at its inner portion, be provided with the startup cylinder body respectively positioned at the
First space of one piston above and below and second space, described start are provided with respectively in cylinder body below second piston
With the 3rd space of top and the 4th space, the startup needle top is linked with second piston, the second piston position
Moved up and down above first piston with first piston.
2. the injection mold according to claim 1 with side gate needle, it is characterised in that the side nozzle fixed plate
Side is provided with the side gate connected with shape chamber, and the front end of the opening and closing needle is provided with cylinder valve body corresponding with side gate,
The needle that is opened and closed is along the axially arranged of side gate.
3. the injection mold according to claim 1 with side gate needle, it is characterised in that the main burner is along calmly
The opening and closing direction of template and moving platen is set, and flow distribution plate is provided with the solid plate, and the flow distribution plate side is provided with and master
First hot-fluid bend of nozzle connection, the startup needle sequentially pass through flow distribution plate, main burner and side nozzle and with being opened and closed needle
It is connected.
4. the injection mold according to claim 1 with side gate needle, it is characterised in that the main burner and side spray
Connecting tube is provided between mouth to be connected, and the guide finger extended to inside side nozzle, institute are fixedly installed on the main burner
State to be provided with side nozzle and corresponding with guide finger be oriented to slide opening.
5. the injection mold according to claim 1 with side gate needle, it is characterised in that the side nozzle block is set
There is a screwed hole, be provided be threadedly secured to side nozzle block in corresponding with screwed hole on the nozzle head rear end is cylindrical.
6. the injection mold according to claim 1 with side gate needle, it is characterised in that set in the side nozzle block
The second hot-fluid bend being connected with side nozzle is equipped with, the melting being connected with the second hot-fluid bend is provided with the nozzle head
Resin channels, the opening and closing needle front end are axially disposed within molten resin passage.
7. the injection mold according to claim 1 with side gate needle, it is characterised in that the side nozzle block rear
It is provided with positioned at the support block started on the outside of valve needle terminal end, is provided between the support block and side nozzle block positioned at startup needle
Spacing contiguous block below end.
8. the method for carrying out injection molding using any described injection mold with side gate needle of claim 1 ~ 7, its
It is characterised by, comprises the following steps：
Closure solid plate and moving platen are arranged on injection machine, starts injection machine, charging hot melt, closes solid plate and dynamic model
Plate；
Control starts cylinder body, injects air into the first space so that first piston rises and compresses second space, second piston
Rise therewith, treat that second space is stopped supply toward the first space after compression, then toward injecting air in the 3rd space,
So that second piston continues to rise, start needle and rise with the rising of second piston, start the inclined-plane chute of valve needle terminal end
During rising, it is caught in the sliding block of inclined-plane chute and is retreated in the position of inclined-plane chute therewith changing, driven the retrogressing of opening and closing needle,
Stop injecting air toward in the 3rd space until cylinder valve body exits side gate completely；
Start injection machine and carry out injection injection so that molten resin passes sequentially through the first hot-fluid bend, main burner, side nozzle, the
Two hot-fluid bends, molten resin passage and side gate and enter shape chamber；
Shape chamber is melt the air discharged after melt resin is filled in the first space and the 3rd space completely so that and start needle and fall,
It is opened and closed needle to advance, final cylinder valve body fills in side gate and the shape intracavitary extended on the outside of side gate, stops that molten resin enters
Enter shape chamber；
The molten resin of shape intracavitary starts curing molding, and before the molten resin of shape intracavitary is fully cured, control starts cylinder body,
Air is injected into the first space so that first piston rises and compresses second space, and second piston rises therewith, treats that second is empty
Between stopped supply toward the first space after compression, start needle and rise with the rising of second piston, driven opening and closing
The retrogressing of needle so that cylinder valve body is fallen back in side gate；
After shaping is fully cured in the molten resin of shape intracavitary, solid plate and moving platen are opened, product takes out from shape chamber, is then shut off
Solid plate and moving platen, toward injection air in the 3rd space so that second piston continues to rise, and startup needle is with second piston
Rise and rise, stop injecting air toward in the 3rd space until cylinder valve body exits side gate completely, carry out second product
Injection injection, circulation production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510767718.8A CN105235149B (en) | 2015-11-12 | 2015-11-12 | A kind of method of injection mold and injection molding with side gate needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510767718.8A CN105235149B (en) | 2015-11-12 | 2015-11-12 | A kind of method of injection mold and injection molding with side gate needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105235149A CN105235149A (en) | 2016-01-13 |
| CN105235149B true CN105235149B (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510767718.8A Active CN105235149B (en) | 2015-11-12 | 2015-11-12 | A kind of method of injection mold and injection molding with side gate needle |
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| Country | Link |
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| CN (1) | CN105235149B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3363612B1 (en) * | 2017-02-17 | 2020-06-24 | Otto Männer GmbH | Hot runner injection nozzle and actuator for injection molding device |
| PT3966014T (en) * | 2019-05-10 | 2024-04-29 | Mold Masters 2007 Ltd | Side-gate injection molding apparatus and side-gate hot runner nozzle |
| CN113246399A (en) * | 2021-06-04 | 2021-08-13 | 海美克精密机械(苏州)有限公司 | Side needle valve suitable for injection mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234523A (en) * | 2006-12-22 | 2008-08-06 | 标准模具（2007）有限公司 | Edge gated injection molding apparatus |
| CN205167420U (en) * | 2015-11-12 | 2016-04-20 | 哈希斯热流道科技（苏州）有限公司 | Injection mold with side sprue needle |
-
2015
- 2015-11-12 CN CN201510767718.8A patent/CN105235149B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101234523A (en) * | 2006-12-22 | 2008-08-06 | 标准模具（2007）有限公司 | Edge gated injection molding apparatus |
| CN205167420U (en) * | 2015-11-12 | 2016-04-20 | 哈希斯热流道科技（苏州）有限公司 | Injection mold with side sprue needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105235149A (en) | 2016-01-13 |
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