CN107718451B - Single-point needle valve type hot runner system - Google Patents
Single-point needle valve type hot runner system Download PDFInfo
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- CN107718451B CN107718451B CN201610656516.0A CN201610656516A CN107718451B CN 107718451 B CN107718451 B CN 107718451B CN 201610656516 A CN201610656516 A CN 201610656516A CN 107718451 B CN107718451 B CN 107718451B
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- hot nozzle
- heater
- piston
- hot
- nozzle
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 abstract description 7
- 229920003023 plastic Polymers 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 6
- 239000003292 glue Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000015111 chews Nutrition 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000001055 chewing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
-
- 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
- B29C45/2737—Heating or cooling means 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- 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
- B29C45/2737—Heating or cooling means therefor
- B29C2045/2753—Heating means and cooling means, e.g. heating the runner nozzle and cooling the nozzle tip
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 single-point needle valve type hot runner system which comprises a cylinder body, a cylinder cover used for sealing the cylinder body, a piston positioned in the cylinder body, a hot nozzle structure positioned in the cylinder body, a valve needle positioned in the hot nozzle structure and fixedly installed with the piston, and a heater positioned on the outer side of the hot nozzle structure, wherein the hot nozzle structure sequentially comprises a head hot nozzle, a hot nozzle flange, a hot nozzle body and a nozzle tip which are fixedly installed, the head hot nozzle and the hot nozzle flange are fixedly installed with the piston, a first heater is fixedly installed on the outer sides of the head hot nozzle and the hot nozzle flange, and a second heater is fixedly installed on the outer side of the hot nozzle body. The head hot nozzle and the hot nozzle body are respectively heated in whole sections, the temperature is uniform and stable, the application is wide, and high-temperature plastics can be formed.
Description
Technical Field
The invention belongs to the technical field of hot runner injection molding, and particularly relates to a single-point needle valve type hot runner system.
Background
Hot runner (hot runner) is a collection of heating assemblies used in injection molds to inject molten plastic into the cavity of the mold. Hot runner systems are generally comprised of a hot nozzle, manifold, temperature control box and accessories. The hot runner system is divided into an open type hot runner system and a needle valve type hot runner system, according to the requirements of raw materials, appearance and performance of different products, and the corresponding hot runner system which meets the requirements is selected, so that the corresponding nozzle form is selected.
The valve needle is driven to move through the cylinder in the needle valve type hot runner system, so that the valve needle is attached to the parting surface of the pouring gate, the valve needle can be driven to move through the control of the cylinder, and the opening and closing of the pouring gate are controlled. The needle valve type hot runner system can be divided into a single-point needle valve type hot runner system and a multi-point needle valve type hot runner system according to the number of gates, the single point needle valve type hot runner system does not need to adopt a splitter plate, the opening and closing of a single gate is controlled by only one valve pin to perform injection molding.
However, the single-point needle valve system in the prior art has a complex structure and is troublesome to install, and due to the structural limitation, the application of injection molding high-temperature plastics is extremely limited, and the application range of the injection molding high-temperature plastics is greatly limited.
Disclosure of Invention
The invention aims to provide a single-point needle valve type hot runner system which is compact in structure, convenient to process and assemble and suitable for forming high-temperature plastic.
In order to achieve the above purpose, the technical solutions provided by the embodiments of the present invention are as follows:
the utility model provides a single-point needle valve formula hot runner system, single-point needle valve formula hot runner system includes the cylinder body, is used for sealing the cylinder body the cylinder cap, is located the piston in the cylinder body, is located the heat in the cylinder body and chews the structure, be located the heat chew the structure in the structure and with piston fixed mounting's needle and be located the heat heater of chewing the structure outside, the heat is chewed the structure and is included fixed mounting's head heat in proper order chewed, the heat chewed the flange, the body is chewed to the heat, and chews flange and piston fixed mounting with the heat, and the head heat is chewed and is chewed flange outside fixed mounting with the heat and have a heater, the body outside fixed mounting is chewed to the heat has the second heater.
As a further improvement of the invention, a piston cross rod is arranged in the piston, an accommodating part is arranged below the head hot nozzle, and after the head hot nozzle and the hot nozzle flange are fixedly installed, the piston cross rod in the piston is fixed in the accommodating part below the head hot nozzle.
As a further improvement of the invention, a buckling part is arranged below the piston cross rod, an installation part is arranged at the end part of the valve needle, and the valve needle and the piston are fixedly installed through the installation part and the buckling part.
As a further improvement of the invention, notches are arranged on two sides of the first heater, and the notches on the first heater are arranged through a piston cross rod in the piston.
As a further improvement of the invention, the first heater is a mica heater, the first heater includes a heater main body portion and a heater fixing portion provided around the heater main body portion.
As a further improvement of the invention, the butt joint of the flow passage between the head hot nozzle and the hot nozzle flange is sealed by a sealing ring.
As a further improvement of the invention, the head hot nozzle and the hot nozzle flange are fixedly installed through pins and/or screws.
As a further improvement of the present invention, the hot nozzle flange and the hot nozzle body are fixedly installed through threads.
As a further improvement of the invention, the single-point needle valve type hot runner system is also provided with a plurality of sealing rings, and the sealing rings are fixedly arranged between the cylinder cover and the cylinder body, and/or between the piston and the cylinder cover.
As a further development of the invention, the tip is removably mounted to the end of the hot nozzle body.
The beneficial effects of the invention are:
<xnotran> , , , ; </xnotran>
The first heater is provided with a notch and penetrates through the piston cross rod, so that the first heater can be tightly attached to the head hot nozzle and the hot nozzle flange, and the system is uniformly heated;
the valve needle is directly arranged on the piston cross rod in the piston, so that the installation is simple and convenient;
the hot nozzle flange is in threaded connection with the hot nozzle body, the butt joint of the head hot nozzle and the hot nozzle flange runner is sealed by the sealing ring, the whole hot runner system is good in sealing effect, and glue leakage can be effectively prevented;
the cylinder body and the hot nozzle are integrally installed, the structure is compact, the space occupied by the die is fully reduced, and the die is convenient to process and assemble.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a single point needle valve hot runner system according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a single point needle valve hot runner system according to an embodiment of the present invention;
FIG. 3 is an exploded perspective view of a single point needle valve style hot runner system in accordance with an embodiment of the present invention;
FIG. 4 is an exploded side view of a single point needle valve style hot runner system in accordance with an embodiment of the present invention;
FIG. 5 is a perspective exploded view structural cross-sectional view of a head heat nozzle and piston according to one embodiment of the present invention;
FIG. 6 is an exploded view of a first heater according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a first heater according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.
In the various illustrations of the present invention, certain dimensions of structures or portions are exaggerated relative to other structures or portions for ease of illustration and, thus, are merely provided to illustrate the basic structure of the subject matter of the present invention.
As used herein, for example, "upper", "above", "lower") the terms "below" and the like refer to relative spatial positions used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.
Also, it will be understood that, although the terms first, second, etc. may be used herein to describe various elements or structures, these described elements should not be limited by these terms. These terms are only used to distinguish these descriptive objects from one another. <xnotran> , , , . </xnotran>
The invention discloses a single-point needle valve type hot runner system which comprises a cylinder body, a cylinder cover used for sealing the cylinder body, a piston positioned in the cylinder body, a hot nozzle structure positioned in the cylinder body, a valve needle positioned in the hot nozzle structure and fixedly installed with the piston, and a heater positioned on the outer side of the hot nozzle structure, wherein the hot nozzle structure sequentially comprises a head hot nozzle, a hot nozzle flange, a hot nozzle body and a nozzle tip which are fixedly installed, the head hot nozzle and the hot nozzle flange are fixedly installed with the piston, a first heater is fixedly installed on the outer sides of the head hot nozzle and the hot nozzle flange, and a second heater is fixedly installed on the outer side of the hot nozzle body. The cylinder drives the piston to drive the valve needle to move up and down so as to open or close the pouring gate.
Referring to fig. 1 to 4, in an embodiment of the present invention, a single-point needle valve type hot runner system 100 includes a cylinder 10, a cylinder cover 20 for sealing the cylinder, a piston 30 located in the cylinder, a hot nozzle structure located in the cylinder, a valve needle 50 located in the hot nozzle structure and fixedly mounted with the piston, and a heater located outside the hot nozzle structure, wherein the hot nozzle structure sequentially includes a fixedly mounted head hot nozzle 41, a hot nozzle flange 42, a hot nozzle body 43, and a nozzle tip 44, and the heater includes a first heater 61 fixedly mounted outside the head hot nozzle and the hot nozzle flange, and a second heater 62 fixedly mounted outside the hot nozzle body.
The cylinder cover 20 is fixedly installed on the top of the cylinder 10, the piston 30 is fixedly installed inside the cylinder 10, and the piston 30 can move up and down along the inside of the cylinder 10, the piston 30 divides the inside of the cylinder 10 into a first cavity 101 and a second cavity 102, the piston is driven by the gas pressure in the first cavity 101 and the second cavity 102, and then the piston 30 can be driven to move up and down inside the cylinder 10.
Referring to fig. 5, the piston 30 includes a piston main body portion 31, and a piston cross bar 32 disposed in the piston main body portion 31, the piston main body portion 31 is substantially hollow and cylindrical, the piston rails 32 are connected to opposite sides of the piston body portion 31, and the piston rails 32 pass through a central axis of the piston body portion 31. A snap-in portion 321 is provided below the piston rail 32, and correspondingly, an end portion of the needle 50 is provided with a mounting portion (not shown), and the mounting portion on the needle 50 can be mounted in cooperation with the snap-in portion 321 on the piston rail 32 to fix the needle on the piston rail.
Compared with the prior art, the valve needle hanging platform is not needed in the embodiment, but the valve needle is directly hung on the piston cross rod in the piston, so that the assembly structure is simplified, and the production cost is reduced.
Referring to fig. 2 to 5, heat nozzle flange 42 is fixedly positioned below piston rod 32 in piston 30, receiving portion 411 is positioned below head heat nozzle 41, receiving portion 411 has a cross-sectional shape corresponding to the shape of piston rod 32 and is substantially elongated, and head heat nozzle 41 is capable of moving downward along piston rod 32 to fix piston rod 32 in receiving portion 411 below the head heat nozzle.
In this embodiment, the head hot nozzle 41 and the hot nozzle flange 42 are fixedly installed by a pin and a screw, the butt joint of the flow channel between the head hot nozzle 41 and the hot nozzle flange 42 is sealed by a sealing ring 401, the sealing ring 401 is a copper ring or the like to seal the flow channel between the head hot nozzle 41 and the hot nozzle flange 42, and prevent the overflow of the glue between the head hot nozzle 41 and the hot nozzle flange 42, and the sealing effect is good.
Referring to fig. 2, in the present embodiment, the hot nozzle flange 42 and the hot nozzle body 43 are fixedly installed by a screw, and if the end of the hot nozzle body 43 is inserted into the bottom of the hot nozzle flange 42, the end of the hot nozzle body 43 is provided with an external thread (not shown), and the bottom of the hot nozzle flange 42 is provided with an internal thread (not shown), the screw is fixedly installed to effectively prevent glue leakage.
In the embodiment, the head hot nozzle 41 and the hot nozzle body 43 are respectively heated in a whole section, the temperature is stable and uniform, the application is wide, and high-temperature plastics can be formed.
Specifically, as shown in fig. 2 to 4, 6 and 7, a first heater 61 is fixedly mounted on the outer sides of the head heat nozzle 41 and the heat nozzle flange 42, and a second heater 62 is fixedly mounted on the outer side of the heat nozzle body 43.
The first heater 61 is a mica heater, the first heater 61 comprises a heater main body 611, notches 613 are arranged on two sides of the heater main body 611 on the first heater, and the two notches 613 on the first heater are installed to penetrate through the piston cross rod 32 in the piston, so that after the head heat nozzle 41 and the heat nozzle flange 42 are fixedly installed, the piston cross rod 32 penetrates through the accommodating part 411 in the head heat nozzle 41. The first heater 61 is fixed on the outer side of the head heat nozzle 41 and the heat nozzle flange 42, and the piston cross bar 32 is also inserted into two notches 613 on the first heater 61 to realize the fixed installation of the first heater 61.
Further, the first heater further includes a heater fixing portion 612 disposed around the heater main body portion 611. Because the notch 613 is provided, the heater main body portion 611 is partially covered in the annular direction, and the fixing effect of the first heater 61 is reduced, and therefore, in the present embodiment, the first heater 61 needs to be fixed by a plurality of heater fixing portions 612 so as to be closely attached to the head heat nozzle 41 and the heat nozzle flange 42, and the heating effect is improved.
Preferably, the number and shape of the heater fixing parts 612 are designed according to the shape of the notches 613, and as in the present embodiment, one notch 612 penetrates the entire longitudinal direction of the heater main body part 611, and the other notch 612 is provided only in a partial longitudinal direction of the heater main body part 611, that is, both ends of the heater main body part 611, one end including one notch and one end including two notches. Therefore, in the present embodiment, two heater fixing portions 612 are provided, a circular heater fixing portion 612 is provided at one end of the heater main body portion 611, the heater fixing portion 612 surrounds the corresponding two notches, and a circular-arc-shaped heater fixing portion 612 is provided at the other end of the heater main body portion 611 to fix one notch at the end.
The heater fixing portion 612 in this embodiment is designed in a sectional manner, and the heater fixing portions in different stages are fixedly mounted by bolts or the like.
It should be understood that the heater fixing parts in the present invention are not limited to the number and shape of the above-described embodiments, the outer side of the first heater can be designed with other numbers or shapes of heater fixing parts, and the fixing effect of the heater fixing parts on the notches can be achieved only by meeting the requirement. Similarly, the heater fixing portion is not limited to be mounted on the end portion of the heater main body portion, and may be mounted on an intermediate position of the heater main body portion, which is not described herein.
The second heater 62 in this embodiment is attached to the outside of the hot nozzle body 43 in close contact therewith, and has a hollow circular ring shape for heating the flow path in the hot nozzle body 43.
Further, in the present embodiment, a pressing cap 45 is fixedly attached between the hot nozzle body 43 and the nozzle tip 44, and a heat insulating cap 46 is fixedly attached to the end of the nozzle tip 44. The valve needle 50 is further provided with a valve needle sleeve 51, and the valve needle sleeve 51 is installed below the piston cross rod 32 to play a role in fixing and guiding the valve needle and prevent glue leakage.
In addition, the tip 44 of the nozzle in the embodiment is detachably mounted at the end part of the hot nozzle body 43, the nozzle tip and the rubber sleeve have high interchangeability with other types of nozzle tips and sprue sleeves, and different types of nozzle tips and corresponding sprue sleeves can be selectively mounted according to different injection products.
Referring to fig. 2, in order to improve the sealing performance of the entire single-point needle valve type hot runner system, a plurality of sealing rings 70 are further provided, and the sealing rings 70 are fixedly installed between the cylinder head and the cylinder body, between the piston and the cylinder body, and between the piston and the cylinder head.
According to the technical scheme, the invention has the following beneficial effects:
the head hot nozzle and the hot nozzle body are respectively heated in whole sections, so that the temperature is uniform and stable, the application is wide, and high-temperature plastics can be formed;
the first heater is provided with a notch and penetrates through the piston cross rod, can be attached to the head hot nozzle and the hot nozzle flange, and is heated uniformly;
the valve needle is directly arranged on the piston cross rod in the piston, so that the installation is simple and convenient;
the hot nozzle flange and the hot nozzle body are connected by threads, the butt joint of the head hot nozzle and the hot nozzle flange runner is sealed by a sealing ring, the whole hot runner system has good sealing effect, and glue leakage can be effectively prevented;
the cylinder body and the hot nozzle are integrally installed, the structure is compact, the occupied space of the cylinder body and the hot nozzle in a die is fully reduced, and the die is convenient to process and assemble.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. The single-point needle valve type hot runner system is characterized by comprising a cylinder body, a cylinder cover for sealing the cylinder body, a piston positioned in the cylinder body, a hot nozzle structure positioned in the cylinder body, a valve needle positioned in the hot nozzle structure and fixedly installed with the piston, and a heater positioned on the outer side of the hot nozzle structure, wherein the hot nozzle structure sequentially comprises a head hot nozzle, a hot nozzle flange, a hot nozzle body and a nozzle tip which are fixedly installed; a piston cross rod is arranged in the piston, the first heater is a mica heater, notches are formed in two sides of the first heater, and the notches in the first heater penetrate through the piston cross rod in the piston; the notch of one side penetrates the longitudinal direction of the whole heater main body part, the notch on the other side is only arranged on part of the longitudinal direction of the heater main body part;
the first heater comprises a heater main body part and a heater fixing part arranged around the heater main body part; the two ends of the heater main body part are provided with a notch at one end and two notches at the other end, an annular heater fixing part is arranged at one end of the heater main body part, the heater fixing part surrounds the two corresponding notches, and an arc-shaped heater fixing part is arranged at the other end of the heater main body part so as to fix one notch at the end.
2. The single-point needle valve type hot runner system according to claim 1, wherein a receiving portion is provided below the head hot nozzle, and after the head hot nozzle and the hot nozzle flange are fixedly mounted, a piston cross bar in the piston is fixed in the receiving portion below the head hot nozzle.
3. The single-point needle valve type hot runner system according to claim 2, wherein a buckling portion is arranged below the piston cross bar, a mounting portion is arranged at the end of the valve needle, and the valve needle and the piston are fixedly mounted through the mounting portion and the buckling portion.
4. The single-point needle valve hot runner system according to claim 1, wherein a sealing ring is used to seal a joint of the flow channel between the head hot nozzle and the hot nozzle flange.
5. The single-point needle valve hot runner system according to claim 1, wherein the head hot nozzle and the hot nozzle flange are fixedly mounted by pins and/or screws.
6. The single point needle valve hot runner system of claim 1, wherein the hot nozzle flange and hot nozzle body are fixedly mounted by threads.
7. The single-point needle valve hot runner system according to claim 1, wherein a plurality of sealing rings are further provided, and the sealing rings are fixedly installed between the cylinder cover and the cylinder body, and/or between the piston and the cylinder cover.
8. The single point needle valve hot runner system of claim 1, wherein the nozzle tip is removably mounted to the end of the hot nozzle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656516.0A CN107718451B (en) | 2016-08-11 | 2016-08-11 | Single-point needle valve type hot runner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610656516.0A CN107718451B (en) | 2016-08-11 | 2016-08-11 | Single-point needle valve type hot runner system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107718451A CN107718451A (en) | 2018-02-23 |
| CN107718451B true CN107718451B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610656516.0A Active CN107718451B (en) | 2016-08-11 | 2016-08-11 | Single-point needle valve type hot runner system |
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| CN (1) | CN107718451B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501152A (en) * | 2018-12-30 | 2019-03-22 | 柳道万和(苏州)热流道系统有限公司 | Hot nozzle structure |
| CN113320099A (en) * | 2021-07-07 | 2021-08-31 | 广东柳道热流道系统有限公司 | Anti-leakage single valve nozzle |
| CN113320098A (en) * | 2021-07-07 | 2021-08-31 | 广东柳道热流道系统有限公司 | Single valve nozzle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832593A (en) * | 1988-01-25 | 1989-05-23 | Husky Injection Molding Systems Ltd. | Large nozzle for hot runner mold |
| KR200173586Y1 (en) * | 1998-04-06 | 2000-03-02 | 유영희 | The valve nozzle which has the material channel inside piston |
| JP2003103581A (en) * | 2001-09-28 | 2003-04-09 | Mitsubishi Materials Corp | Valve gate-type mold assembly |
| CN201544417U (en) * | 2009-12-22 | 2010-08-11 | 深圳市米高科技有限公司 | Single-point valve needle type hot nozzle |
| CN203472052U (en) * | 2013-08-21 | 2014-03-12 | 深圳市银宝山新科技股份有限公司 | Valve needle type hot runner cylinder and valve needle type hot nozzle |
| CN203973922U (en) * | 2014-07-18 | 2014-12-03 | 柳道（青岛）热流道系统有限公司 | A kind of new single site needle-valve type hot nozzle |
| US9302416B1 (en) * | 2014-10-08 | 2016-04-05 | Polyshot Corporation | Single nozzle valve gate |
| CN205929316U (en) * | 2016-08-11 | 2017-02-08 | 柳道万和(苏州)热流道系统有限公司 | Single -point needle valve type hot runner system |
-
2016
- 2016-08-11 CN CN201610656516.0A patent/CN107718451B/en active Active
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| CN107718451A (en) | 2018-02-23 |
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