CN205929316U - Single -point needle valve type hot runner system - Google Patents
Single -point needle valve type hot runner system Download PDFInfo
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- CN205929316U CN205929316U CN201620868571.1U CN201620868571U CN205929316U CN 205929316 U CN205929316 U CN 205929316U CN 201620868571 U CN201620868571 U CN 201620868571U CN 205929316 U CN205929316 U CN 205929316U
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- heater
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Abstract
The utility model discloses a single -point needle valve type hot runner system, single -point needle valve type hot runner system includes the cylinder body, be used for sealing cylinder's cylinder cap, be located the piston of cylinder body, the structure is chewed to the heat that is located the cylinder body, be located that the structure is chewed to heat and with piston fixed mounting's needle and be located the heater that the structure outside was chewed to heat, heat chews that the flange is chewed to head re zui, the heat that the structure includes fixed mounting in proper order, heat is chewed the body and is chewed the point, head re zui chews flange and piston fixed mounting with heat, and head rezui and heat chews flange outside fixed mounting and have a primary heater, body outside fixed mounting is chewed to heat has the secondary heater. The utility model discloses head re zui chews body whole section heating respectively with heat, and the temperature is evenly stable, uses extensively formability high temperature plastics.
Description
Technical field
The utility model belongs to hot flow path injection molding technology field and in particular to a kind of single-point needle valve type hot runner system.
Background technology
Hot flow path（hot runner）It is used in injection mold, the plastics of thawing are injected in the cavity of mould
Heating assembly set.TOP-TIP is typically made up of a few part such as hot nozzle, flow distribution plate, temperature control box and annex.Hot flow path
System is divided into open TOP-TIP and needle valve type hot runner system, will according to different product raw material, outward appearance and performance
Ask, and select corresponding satisfactory TOP-TIP, thus from corresponding form of nozzle.
Usually through air cylinder driven valve needle movements in needle valve type hot runner system, make needle laminating cast gate die joint, Jin Ertong
Cross the control of cylinder, can be moved with valve needle, and then control the opening and closing of cast gate.Needle valve type hot runner system presses cast gate quantity can
It is divided into single-point needle valve type hot runner system and multipoint needle valve formula TOP-TIP, single-point needle valve type hot runner system need not adopt and divide
Stream plate, only passes through a needle and controls the opening and closing of single cast gate to be molded.
However, single-point needle valve system of the prior art, complex structure, trouble is installed, because of the restriction of its structure, in injection
It is extremely limited in the application of shaping high temperature plastics, greatly limit its range of application.
Utility model content
The purpose of this utility model is to provide a kind of single-point needle valve type hot runner system, its compact conformation, processes and group
Dress is conveniently it is adaptable to be molded high temperature plastics.
To achieve these goals, the technical scheme that the utility model embodiment provides is as follows：
A kind of single-point needle valve type hot runner system, described single-point needle valve type hot runner system includes cylinder body, is used for sealing cylinder
The cylinder cap of body, be located at cylinder body in piston, be located at cylinder body in hot nozzle structure, be located at hot nozzle structure in and with piston fixed installation
Needle and be located at heater outside hot nozzle structure, described hot nozzle structure includes hard-wired head heat nozzle, heat successively
Nozzle flange, hot nozzle body and nozzle point, described head heat nozzle and hot nozzle flange are fixedly mounted with piston, and head heat nozzle and Re Zui
It is installed with primary heater, described hot nozzle outer body is installed with secondary heater outside flange.
As further improvement of the utility model, described internal piston is provided with piston cross bar, below described head heat nozzle
It is provided with resettlement section, after head heat nozzle is fixedly mounted with hot nozzle flange, the piston cross bar in piston is fixed on below head heat nozzle
In resettlement section.
As further improvement of the utility model, below described piston cross bar, it is provided with clamping part, described needle end sets
There is installation portion, described needle and piston are passed through installation portion and fixedly mounted with clamping part.
As further improvement of the utility model, described primary heater both sides are provided with notch, on primary heater
The piston cross bar that notch runs through in piston is installed.
As further improvement of the utility model, described primary heater is mica heater, and primary heater includes
Heater body portion and the heater fixed part of around the heater main part setting.
As further improvement of the utility model, the runner joint between described head heat nozzle and hot nozzle flange adopts
Sealing ring is sealed.
As further improvement of the utility model, between described head heat nozzle and hot nozzle flange, pass through pin and/or spiral shell
Silk fixed installation.
As further improvement of the utility model, described hot nozzle flange and hot nozzle body are threadably secured installation.
As further improvement of the utility model, described single-point needle valve type hot runner system is additionally provided with some sealing rings,
Described sealing ring is fixedly installed between cylinder cap and cylinder body and/or between piston and cylinder body and/or between piston and cylinder cap.
As further improvement of the utility model, described nozzle point is removably mounted to described hot nozzle body end.
The beneficial effects of the utility model are：
Head heat nozzle and the whole section of heating respectively of hot nozzle body, temperature is uniform and stable, is widely used, plastic high temperature plastics；
Primary heater has notch and passes through piston cross bar, can be adjacent to head heat nozzle and hot nozzle flange, system is heated
Uniformly；
Needle is directly mounted on the piston cross bar in piston, installs simple and convenient；
Hot nozzle flange and hot nozzle body adopt threaded, and head heat nozzle and hot nozzle flange runner joint adopt sealing ring
Sealing, whole TOP-TIP good sealing effect, can effective preventing from cementing leakage；
Cylinder body and hot nozzle structural integrity formula are installed, and compact conformation substantially reduces its space shared in a mold, mould
Process and easy to assembly.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments described in the utility model, for those of ordinary skill in the art, do not paying creative work
On the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective view of single-point needle valve type hot runner system in the utility model one specific embodiment；
Fig. 2 is the cross section structure diagram of single-point needle valve type hot runner system in the utility model one specific embodiment；
Fig. 3 is the detonation configuration stereogram of single-point needle valve type hot runner system in the utility model one specific embodiment；
Fig. 4 is the detonation configuration side view of single-point needle valve type hot runner system in the utility model one specific embodiment；
Fig. 5 is the solid quick-fried photograph structure sectional view of head heat nozzle and piston in the utility model one specific embodiment；
Fig. 6 is the configuration schematic diagram of primary heater in the utility model one specific embodiment；
Fig. 7 is the perspective view of primary heater in the utility model one specific embodiment.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the utility model is described in detail.But these embodiment party
Formula is not intended to limit the utility model, structure that those of ordinary skill in the art is made according to these embodiments, method or
Conversion functionally is all contained in protection domain of the present utility model.
In each diagram of the present utility model, for the ease of diagram, structure or partial some sizes can be with respect to them
Its structure or partial enlargement, therefore, are only used for illustrating the basic structure of theme of the present utility model.
Used herein for example " on ", " top ", D score, the term of the representation space relative position such as " lower section " be in order at just
The relation that a unit as shown in the drawings or feature are with respect to another unit or feature to be described in descriptive purpose.Empty
Between relative position term can be intended to including equipment using or work in different azimuth in addition to orientation shown in figure.
For example, if by the upset of the equipment of in figure, be described as being located at other units or feature " lower section " or " under " unit will
Positioned at other units or feature " top ".Therefore, exemplary term " lower section " can include above and below both orientation.If
Standby can otherwise be directed（Ratate 90 degrees or other directions）, and correspondingly explain used herein and space correlation
Description language.
Although also, it should be understood that term first, second grade herein can be used for describing various elements or
Structure, but these are described object and should not be limited by these terms.These terms be only used for by these description objects that
This distinguishes.For example, primary heater can be referred to as secondary heater, and similarly secondary heater can also be referred to as
Primary heater, this is without departing from protection domain of the present utility model.
The utility model discloses a kind of single-point needle valve type hot runner system, the cylinder cap including cylinder body, being used for sealed cylinder block,
Positioned at the piston in cylinder body, be located at cylinder body in hot nozzle structure, be located at hot nozzle structure in and with piston hard-wired needle, with
And be located at hot nozzle structure outside heater, hot nozzle structure include successively hard-wired head heat nozzle, hot nozzle flange, hot nozzle this
Body and nozzle point, head heat nozzle and hot nozzle flange are fixedly mounted with piston, and are installed with outside head heat nozzle and hot nozzle flange
Primary heater, hot nozzle outer body is installed with secondary heater.It is driven by cylinder, piston driving needle is upper and lower
Motion is to be turned on and off cast gate.
Shown in ginseng Fig. 1 to Fig. 4, in a specific embodiment of the present utility model, single-point needle valve type hot runner system 100 wraps
Include cylinder body 10, the cylinder cap 20 for sealed cylinder block, the piston 30 being located in cylinder body, the hot nozzle structure being located in cylinder body, be located at heat
The hard-wired needle 50 and be located at heater outside hot nozzle structure in nozzle structure and with piston, wherein, hot nozzle structure according to
The hard-wired head heat nozzle 41 of secondary inclusion, hot nozzle flange 42, hot nozzle body 43 and nozzle point 44, heater includes head heat nozzle
With primary heater 61 hard-wired outside hot nozzle flange and the hard-wired secondary heater 62 of hot nozzle outer body.
Cylinder cap 20 is fixedly installed in the top of cylinder body 10, and piston 30 is fixedly installed in inside cylinder body 10, and piston 30 can
Move up and down along cylinder body 10 is internal, piston 30 will be divided into the first cavity 101 and the second cavity 102 inside cylinder body 10, by the
Gas pressure in one cavity 101 and the second cavity 102 is driven to piston, and then can drive piston 30 inside cylinder body 10
Move up and down.
In conjunction with shown in Fig. 5, piston 30 includes piston main body portion 31 and the piston cross bar being located in piston main body portion 31
32, piston main body portion 31 is in substantially the cylindrical shape setting of hollow, and piston cross bar 32 is connected to the relative both sides in piston main body portion 31,
And piston cross bar 32 passes through the axis in piston main body portion 31.It is provided with clamping part 321, accordingly, needle below piston cross bar 32
50 end is provided with installation portion（Not shown）, the installation portion on needle 50 can be coordinated with the clamping part 321 on piston cross bar 32
Install, needle is fixed on piston cross bar.
Compared with prior art, needle hanging platform need not be adopted in present embodiment, but directly needle be hung on piston
On interior piston cross bar, simplify package assembly, reduce production cost.
Shown in ginseng Fig. 2 ~ Fig. 5, the fixing lower section being located at piston cross bar 32 in piston 30 of hot nozzle flange 42, under head heat nozzle 41
Side is provided with resettlement section 411, and the shape of cross section of resettlement section 411 is correspondingly arranged with the shape of piston cross bar 32, is in substantially lengthwise open,
Head heat nozzle 41 can move downward along piston cross bar 32, and piston cross bar 32 is fixed on the resettlement section below head heat nozzle
In 411.
Pass through pin and screw fixed installation, head heat nozzle between head heat nozzle 41 and hot nozzle flange 42 in present embodiment
Runner joint between 41 and hot nozzle flange 42 is sealed using sealing ring 401, and this sealing ring 401 adopts copper ring etc., with
Runner between the hot nozzle of seal header joints 41 and hot nozzle flange 42, prevents overflowing of sizing material between head heat nozzle 41 and hot nozzle flange 42
Go out, good sealing effect.
Join shown in Fig. 2, between the hot nozzle flange 42 in present embodiment and hot nozzle body 43, be threadably secured installation, such as
In present embodiment, the end of hot nozzle body 43 embeds the bottom of hot nozzle flange 42, and the end of hot nozzle body 43 is provided with external screw thread
（Not shown）, the bottom of hot nozzle flange 42 is provided with internal thread（Not shown）, the mode of the installation that is screwed can effectively anti-leak-stopping
Glue.
Head heat nozzle 41 and hot nozzle body 43 whole section of heating respectively in present embodiment, temperature stabilization uniformly, is widely used,
Plastic high temperature plastics.
Specifically, shown in ginseng Fig. 2 ~ 4, Fig. 6 and Fig. 7, outside head heat nozzle 41 and hot nozzle flange 42, it is installed with first
Heater 61, is installed with secondary heater 62 outside hot nozzle body 43.
Wherein, primary heater 61 is mica heater, and primary heater 61 includes heater body portion 611, first
Heater upper heater main part 611 both sides are provided with notch 613, and two on primary heater notch 613 runs through in piston
Piston cross bar 32 is installed, and so, after head heat nozzle 41 and hot nozzle flange 42 fixed installation, piston cross bar 32 is through head heat
In resettlement section 411 in nozzle 41.And primary heater 61 need to be fixed on head heat nozzle 41 and the outside of hot nozzle flange 42, piston is horizontal
Bar 32 also simultaneously through in two notches 613 on primary heater 61, to realize the fixed installation of primary heater 61.
Further, primary heater also includes the heater fixed part 612 of around the heater main part 611 setting.By
In the setting of notch 613, heater body portion 611 is that part covers in annular direction, reduces consolidating of primary heater 61
Determine effect, therefore, need in present embodiment to realize the fixation of primary heater 61 by some heater fixed parts 612, with
Make it be adjacent to head heat nozzle 41 and hot nozzle flange 42, improve heating effect.
Preferably, the quantity of heater fixed part 612 and shape are designed according to the shape of notch 613, such as this enforcement
In mode, a notch 612 runs through the longitudinal direction in whole heater body portion 611, and another notch 612 is only arranged at heating
The part longitudinal direction of device main part 611, i.e. the two ends in heater body portion 611, one end includes a notch, and one end includes
Two notches.Therefore, it is provided with two heater fixed parts 612 in present embodiment, set in the one end in heater body portion 611
Put the heater fixed part 612 of annular, this heater fixed part 612 around corresponding two notches, and in heater body
The other end in portion 611 arranges the heater fixed part 612 of circular arc, to fix a notch at this end.
Wherein, the heater fixed part 612 in present embodiment be sectional design, the heater fixed part of different sections it
Between by the fixed installation such as bolt.
It should be appreciated that the heater fixed part in the utility model be not limited to quantity in above-mentioned embodiment and
Shape, can design the heater fixed part of other quantity or shape in the outside of primary heater, only need to meet heater and fix
Fixation can play to notch in portion.Equally, heater fixed part is also not limited to be installed on the end in heater body portion
Portion, equally can be installed on the centre position in heater body portion, and no longer citing illustrates one by one herein.
The outside that secondary heater 62 in present embodiment is close to hot nozzle body 43 is installed, and its shape is in the circle of hollow
Annular, in order to heat to the runner in hot nozzle body 43.
Further, it is installed with pressure cap 45, nozzle point 44 between the hot nozzle body 43 in present embodiment and nozzle point 44
End is installed with heat insulation cap 46.Valve needle cover 51 is additionally provided with needle 50, valve needle cover 51 is installed on the lower section of piston cross bar 32,
The effect with playing, needle fixed and guide, meanwhile, it is capable to preventing from cementing leakage.
In addition, the nozzle point 44 in present embodiment is removably mounted to hot nozzle body 43 end, nozzle point and glue muzzle and its
He has very high interchangeability with sprue bush by model nozzle point, can select to install the nozzle of different model according to different injecting products
Sharp and corresponding sprue bush.
Shown in ginseng Fig. 2, in order to improve the sealing of whole single-point needle valve type hot runner system, single point needle-valve type hot flow path system
System is additionally provided with some sealing rings 70, and sealing ring 70 is fixedly installed between cylinder cap and cylinder body, between piston and cylinder body and piston
And cylinder cap between.
As can be seen from the above technical solutions, the utility model has the advantages that：
Head heat nozzle and the whole section of heating respectively of hot nozzle body, temperature is uniform and stable, is widely used, plastic high temperature plastics；
Primary heater has notch and passes through piston cross bar, can be adjacent to head heat nozzle and hot nozzle flange, system is heated
Uniformly；
Needle is directly mounted on the piston cross bar in piston, installs simple and convenient；
Hot nozzle flange and hot nozzle body adopt threaded, and head heat nozzle and hot nozzle flange runner joint adopt sealing ring
Sealing, whole TOP-TIP good sealing effect, can effective preventing from cementing leakage；
Cylinder body and hot nozzle structural integrity formula are installed, and compact conformation substantially reduces its space shared in a mold, mould
Process and easy to assembly.
It should be understood that although this specification is been described by according to embodiment, but not each embodiment only comprises one
Individual independent technical scheme, only for clarity, those skilled in the art should will say this narrating mode of specification
As an entirety, the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can for bright book
With the other embodiment understanding.
The a series of detailed description of those listed above is only for the tool of feasibility embodiment of the present utility model
Body illustrates, they are simultaneously not used to limit protection domain of the present utility model, all is made without departing from the utility model skill spirit
Equivalent implementations or change should be included within protection domain of the present utility model.
Claims (10)
1. a kind of single-point needle valve type hot runner system is it is characterised in that described single-point needle valve type hot runner system includes cylinder body, use
In sealed cylinder block cylinder cap, be located at cylinder body in piston, be located at cylinder body in hot nozzle structure, be located at hot nozzle structure in and and piston
Hard-wired needle and the heater outside hot nozzle structure, described hot nozzle structure includes hard-wired head successively
Portion Re Zui, hot nozzle flange, hot nozzle body and nozzle point, described head heat nozzle and hot nozzle flange are fixedly mounted with piston, and head heat
It is installed with primary heater, described hot nozzle outer body is installed with secondary heater outside nozzle and hot nozzle flange.
2. single-point needle valve type hot runner system according to claim 1 is it is characterised in that described internal piston is provided with piston
Cross bar, is provided with resettlement section, the piston cross bar after head heat nozzle is fixedly mounted, in piston with hot nozzle flange below described head heat nozzle
It is fixed in the resettlement section below head heat nozzle.
3. single-point needle valve type hot runner system according to claim 2 is it is characterised in that be provided with below described piston cross bar
Clamping part, described needle end is provided with installation portion, and described needle and piston are passed through installation portion and fixedly mounted with clamping part.
4. single-point needle valve type hot runner system according to claim 2 is it is characterised in that described primary heater both sides set
There is notch, the piston cross bar that the notch on primary heater runs through in piston is installed.
5. single-point needle valve type hot runner system according to claim 4 is it is characterised in that described primary heater is mica
Heater, primary heater includes heater body portion and the heater fixed part of around the heater main part setting.
6. single-point needle valve type hot runner system according to claim 1 is it is characterised in that described head heat nozzle and hot nozzle method
Runner joint between orchid is sealed using sealing ring.
7. single-point needle valve type hot runner system according to claim 1 is it is characterised in that described head heat nozzle and hot nozzle method
By pin and/or screw fixed installation between orchid.
8. single-point needle valve type hot runner system according to claim 1 it is characterised in that described hot nozzle flange and hot nozzle this
Body is threadably secured installation.
9. single-point needle valve type hot runner system according to claim 1 is it is characterised in that described single point needle-valve type hot flow path
System is additionally provided with some sealing rings, described sealing ring be fixedly installed between cylinder cap and cylinder body and/or between piston and cylinder body,
And/or between piston and cylinder cap.
10. single-point needle valve type hot runner system according to claim 1 is it is characterised in that described nozzle point is detachably installed
In described hot nozzle body end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620868571.1U CN205929316U (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 |
|---|---|---|---|
| CN201620868571.1U CN205929316U (en) | 2016-08-11 | 2016-08-11 | Single -point needle valve type hot runner system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205929316U true CN205929316U (en) | 2017-02-08 |
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ID=57920736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620868571.1U Active CN205929316U (en) | 2016-08-11 | 2016-08-11 | Single -point needle valve type hot runner system |
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| CN (1) | CN205929316U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718451A (en) * | 2016-08-11 | 2018-02-23 | 柳道万和(苏州)热流道***有限公司 | Single-point needle valve type hot runner system |
| CN109624225A (en) * | 2019-01-18 | 2019-04-16 | 柳道万和(苏州)热流道***有限公司 | Conducting element, hot mouth component and hot runner system |
| CN113320098A (en) * | 2021-07-07 | 2021-08-31 | 广东柳道热流道***有限公司 | Single valve nozzle |
-
2016
- 2016-08-11 CN CN201620868571.1U patent/CN205929316U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718451A (en) * | 2016-08-11 | 2018-02-23 | 柳道万和(苏州)热流道***有限公司 | Single-point needle valve type hot runner system |
| CN109624225A (en) * | 2019-01-18 | 2019-04-16 | 柳道万和(苏州)热流道***有限公司 | Conducting element, hot mouth component and hot runner system |
| CN113320098A (en) * | 2021-07-07 | 2021-08-31 | 广东柳道热流道***有限公司 | Single valve nozzle |
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| GR01 | Patent grant |