CN108044881A - For the needle erecting device of mold - Google Patents
For the needle erecting device of mold Download PDFInfo
- Publication number
- CN108044881A CN108044881A CN201810038540.7A CN201810038540A CN108044881A CN 108044881 A CN108044881 A CN 108044881A CN 201810038540 A CN201810038540 A CN 201810038540A CN 108044881 A CN108044881 A CN 108044881A
- Authority
- CN
- China
- Prior art keywords
- needle
- erecting device
- piston
- hanging platform
- longitudinal axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000013011 mating Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- VJECBOKJABCYMF-UHFFFAOYSA-N doxazosin mesylate Chemical compound [H+].CS([O-])(=O)=O.C1OC2=CC=CC=C2OC1C(=O)N(CC1)CCN1C1=NC(N)=C(C=C(C(OC)=C2)OC)C2=N1 VJECBOKJABCYMF-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010257 thawing Methods 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
- B29C45/27—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
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C45/281—Drive 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
- B29C45/26—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
- B29C2045/2848—Closure devices therefor consisting of needle valve systems having an adjustable stroke length
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Present invention is disclosed a kind of needle erecting devices for mold, the needle erecting device includes piston, it is arranged at the needle hanging platform of the piston and is arranged at the needle of the needle hanging platform, the needle extends along longitudinal axis, wherein, the piston is equipped with container, the needle hanging platform is contained in completely in the container, the needle is fixed on the extending direction of the longitudinal axis compared with the piston, the needle can be mutually shifted in a first direction compared with the piston, and the first direction is perpendicular to the extending direction of the longitudinal axis.The needle erecting device not only avoids the damage of needle but also compact-sized, small volume, and in addition the corresponding mold thickness of needle erecting device is smaller.
Description
Technical field
The present invention relates to the needle peaces that mold is used in hot flow path injection molding art more particularly to a kind of hot flow path adapted to injection system
Assembling device.
Background technology
Hot flow path uses in injection mold, the heating component collection plastics of thawing being injected into the cavity of mold
It closes.In general, Hot Runner System is divided into open Hot Runner System and valve needle type hot flow passage system.It is wrapped in valve needle type hot flow passage system
Needle mounting structure is included, at present, needle mounting structure generally includes the components such as piston, needle installed part, needle, in general, needle
It is installed through flow distribution plate, in injection moulding process, the temperature of flow distribution plate is very high, and during flow distribution plate expanded by heating, needle can be caused
Tilt, stress abrasion and it is stuck, it is serious to cause to break.
To solve the above problems, technical staff is studied.Needle is arranged to slidably, but needle and piston it
Between mounting structure be located at piston exterior so that complicated, length is longer along the axis direction of needle, so that template
Thickness it is very thick.
The content of the invention
It is an object of the invention to provide a kind of needle erecting device, which not only avoids the damage of needle
Bad and compact-sized, small volume, in addition corresponding mold thickness is smaller.
One of for achieving the above object, the present invention provides a kind of needle erecting device for mold, the needle
Erecting device includes piston, is arranged at the needle hanging platform of the piston and is arranged at the needle of the needle hanging platform, the needle
Extend along longitudinal axis, wherein, the piston is equipped with container, and the needle hanging platform is contained in completely in the container,
The needle is fixed on the extending direction of the longitudinal axis compared with the piston, and the needle is compared with the work
Plug can be mutually shifted in a first direction, and the first direction is perpendicular to the extending direction of the longitudinal axis.
As being further improved for an embodiment of the present invention, the needle is movably arranged at described along the first direction
On needle hanging platform, the needle hanging platform is movably arranged at the piston in a second direction, and the second direction is perpendicular to institute
The extending direction of longitudinal axis is stated, and it is in a certain angle between the second direction and first direction.
As being further improved for an embodiment of the present invention, the second direction is mutually perpendicular to first direction.
As being further improved for an embodiment of the present invention, the needle hanging platform is matched somebody with somebody equipped with what is extended in a first direction
Card slot is connect, the needle is movably disposed in the mating card slot along the first direction.
As being further improved for an embodiment of the present invention, opening portion and stopper section, institute are equipped at the mating card slot
Needle is stated equipped with bayonet part, the bayonet part and the stopper section are matched to limit the needle in the extension side of longitudinal axis
Upward movement and the permission needle moves along the first direction.
As being further improved for an embodiment of the present invention, the container is perpendicular to the direction of the longitudinal axis
On cross section to be square, the container has the first opposite side and the second opposite side being mutually parallel, the needle hanging platform
The both ends abutted against with the both sides substantially parallel with the first opposite side and respectively with the second opposite side, the both sides
The distance between be less than first opposite side between spacing so that the needle hanging platform is removable compared with the piston
It is dynamic.
As being further improved for an embodiment of the present invention, between the both ends and second opposite side mutually
Face contacts, and the connecting portion between the both ends and the both sides is disposed as arc.
As being further improved for an embodiment of the present invention, the needle erecting device is further included arranged on the container
End stop tab, to limit shifting of the needle hanging platform compared with the piston on the extending direction of the longitudinal axis
It is dynamic.
As being further improved for an embodiment of the present invention, on the piston and the neighbouring stop tab is equipped with annular
Card slot, the needle erecting device further include the clamp spring being mutually clamped with the annular slot.
As being further improved for an embodiment of the present invention, the stop tab is fixedly connected on the work by screw
Plug.
Compared with prior art, the beneficial effects of the present invention are：The needle erecting device of the present invention with independent unit,
Quantity and position as needed is arranged on mold.The needle erecting device of the present invention, since needle hanging platform is accommodated completely
In the container of piston, so that compact-sized, small volume, in addition needle erecting device is on the direction of longitudinal axis
Size is smaller, so that the mold thickness of installation needle erecting device is smaller, reduces further manufacture cost.Furthermore institute
Needle is stated to be arranged to be mutually shifted in a first direction compared with the piston, when flow distribution plate is in expanded by heating, needle meeting
The movement of adaptability is done, eliminates the influence brought by expanded by heating, avoids the abrasion of needle stress, the stuck or damages such as break
The occurrence of.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of needle erecting device in the specific embodiment of the invention；
Fig. 2 is the perspective exploded view of the needle erecting device in Fig. 1；
Fig. 3 is the front view of the needle erecting device in Fig. 1；
Fig. 4 is the bottom view of the needle erecting device in Fig. 1；
Fig. 5 is the bottom view of the needle erecting device in Fig. 1, removes catch and clamp spring herein；
Fig. 6 is the top view of the needle erecting device in Fig. 1；
Fig. 7 is A-A sectional views in Fig. 6；
Fig. 8 is B-B sectional views in Fig. 6.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those of ordinary skill in the art are made according to these embodiments, method or functionally
Conversion is all contained in protection scope of the present invention.
Further, it is to be understood that although first, second grade of term can be used to describing herein various elements or
Structure, but these are described the limitation that object should not be restricted by above-mentioned term.Above-mentioned term be only used for by these description objects that
This is distinguished.For example, the first opposite side can be referred to as the second opposite side, equally, the second opposite side can also be referred to as first
Opposite side, this is without departing from the protection domain of this application.
Preferred embodiment provided by the invention discloses a kind of mold, including template（It is not shown）, driving device（Do not scheme
Show）With needle erecting device 100（Referring to Fig. 1）, needle erecting device 100 is arranged on template.As shown in Figure 1 to Figure 2, needle is installed
Device 100 includes piston 10, is arranged at the needle hanging platform 12 of piston 10 and is arranged at the needle 14 of needle hanging platform 12,14 edge of needle
Longitudinal axis 18 extends, and driving device driving piston 10 drives needle 14 to be moved along the extending direction of longitudinal axis 18, so that
Fluid passageway is obtained to separate or connect with mold cavity.
In addition, needle erecting device 100 is a kind of device of monoblock type, you can using the component or only as an entirety
Vertical unit is directly installed on the position that mold is reserved.The periphery of needle 14 is equipped with flow distribution plate（It is not shown）, and needle 14 is inserted
Enter a connection mold cavity（It is not shown）Centre bore in, the internal diameter of centre bore is more than the outer diameter of needle 14, thus centre bore and
There is gap, which constitutes fluid passageway between needle 14.
Specific in this preferred embodiment, with further reference to Fig. 2 to Fig. 8, piston 10 is equipped with container 16, and needle hanging platform 12 is complete
It is contained in entirely in container 16, needle 14 is fixed on the extending direction of longitudinal axis 18 compared with piston 10, needle 14
It can be mutually shifted in a first direction compared with piston 10, and first direction is perpendicular to the extending direction of longitudinal axis 18.
The needle erecting device 100 of the present embodiment is arranged on mold with independent unit, quantity as needed and position
On.Further, since needle hanging platform 12 is contained in completely in the container 16 of piston 10 so that compact-sized, volume compared with
Small, in addition the size on the direction of longitudinal axis 18 of needle erecting device 100 is smaller, so that installation needle erecting device
100 mold thickness is smaller, reduces further manufacture cost.Furthermore needle 14 is set in a first direction compared with piston 10
Being set to can be mutually shifted, and when flow distribution plate is in expanded by heating, needle 14 can do the movement of adaptability, eliminate because of expanded by heating band
The influence come avoids the abrasion of 14 stress of needle, stuck or the damaged conditions such as break generation.
Specifically, driving device can be configured to cylinder, electric cylinder or oil cylinder are also configured to, as long as 10 band of piston can be driven
Dynamic needle 14 is moved along the direction of longitudinal axis 18.
Further, needle 14 is movably arranged at along the first direction on needle hanging platform 12, needle hanging platform 12 along second
Direction is movably arranged at piston 10, and second direction is perpendicular to the extending direction of longitudinal axis 18, and second direction and first
It is in a certain angle between direction.Specific in the present embodiment, second direction is mutually perpendicular to first direction.When flow distribution plate is being molded
It in the process during expanded by heating, due to expansion direction and does not know, at this moment by needle hanging platform 12 and needle 14 in both direction
It slides to eliminate the influence that expansion is brought, in addition needle 14 can be moved back compared with piston 10 towards two rectangular directions
It is dynamic, so as to substantially reduce the appearance of the failures such as the fracture of needle 14.Certainly, it can also be set between second direction and first direction and be in
Other angles.
Specifically, needle hanging platform 12 is equipped with the mating card slot 20 extended in a first direction, needle 14 along the first direction may be used
Movably it is arranged on mating card slot 20.It is coupled at card slot 20 and is equipped with opening portion 22 and stopper section 24, needle 14 is equipped with bayonet part 26, card
Oral area 26 and stopper section 24 are matched to limit movement of the needle 14 on the extending direction of longitudinal axis 18 and allow needle 14
It moves along the first direction.Needle 14 is installed on mating card slot 20 by opening portion 22 for facilitating.Certainly, needle 14 and needle hanging platform
Between 12 can also use other connection modes, as long as can realize needle 14 compared with needle hanging platform 12 prolonging in longitudinal axis 18
Stretch fixed on direction, and needle 14 can be mutually shifted in a first direction compared with needle hanging platform 12.
Piston 10 includes body part 28 and mounting portion 30, is commonly installed the periphery in portion 30 as cylinder, mounting portion 30 has
Axial line 31.Container 16 is arranged at mounting portion 30, and container 16 is in the cross section on the direction of longitudinal axis 18
Square, container 16 has the first opposite side 32 and the second opposite side 34 being mutually parallel, and needle hanging platform 12 has and first pair
The substantially parallel both sides 36 in side 32 and the both ends 38 abutted against respectively with the second opposite side 34, between both sides 36
Distance is less than the spacing between the first opposite side 32, so that needle hanging platform 12 is removable in a second direction compared with piston 10
It is dynamic.Specific in this preferred embodiment, needle 14 is from away from axis compared with the moving range of needle hanging platform 12 in a first direction
The general 3mm in one side of heart line 31 to the general 3mm of opposite side away from axial line 31.Certainly, moving range may be set to be other
Distance.
In addition, container 16 is symmetrical arranged on the axial line 31 of mounting portion 30.Distinguish the both sides 36 of needle hanging platform 12
Spacing summation between the first opposite side 32 is 6mm, that is, when needle 14 is in longitudinal axis 18 and the installation of needle 14
When the axial line 31 in portion 30 overlaps, the spacing between a side of needle hanging platform 12 and wherein a first side 32 is 3mm, needle
Spacing between the other side of hanging platform 12 and wherein another first side 32 is also 3mm.Certainly, the both sides of needle hanging platform 12
36 spacing summation respectively between the first opposite side 32 may be set to be other distances.
Mutually face contacts between both ends 38 and the second opposite side 34, is arranged such so that needle 14 is compared with needle
The movement of hanging platform 12 is more steady reliable.In addition, the connecting portion between both ends 38 and both sides 36 is disposed as arc.Arc mistake
It crosses, so as to prevent stress concentration, enhances the intensity of needle hanging platform 12.
Needle erecting device 100 further includes the stop tab 40 arranged on the end of container 16, to limit 12 phase of needle hanging platform
For movement of the piston 10 on the extending direction of longitudinal axis 18.So as to by needle hanging platform 12 it is reliable and stable be fixed on piston
10.Specifically, stop tab 40 is fixedly connected on piston 10 by two screws 42, so that needle hanging platform 12 is compared in work
Plug 10 is fixed on the extending direction of longitudinal axis 18.It is of course also possible to use other fixed forms consolidate stop tab 40
Due to piston 10, such as riveting.
Further, annular slot 44 is equipped on piston 10 and adjacent to stop tab 40, needle erecting device 100 further includes
With the clamp spring 46 of 44 phase of annular slot clamping.When by prolonged exercise, when causing the loosening of screw 42, clamp spring 46 can ensure that backstop
Piece 40 remains to be fixed on piston 10 reliable and stablely, so that needle erecting device 100 provided in this embodiment is relatively reliable.
Next the installation step of needle erecting device 100 in the present embodiment will be specifically introduced, installation step is specifically wrapped
It includes：
1. the bayonet part 26 on needle 14 is stuck at opening portion 22 on the stopper section 24 of needle hanging platform 12；
2. needle hanging platform 12 is placed in the container 16 of piston 10, and cause both ends 38 and the second offside of container 16
Side 34 is in contact；
3. stop tab 40 to be fixed on to the end of container 16 by two screws 42, dropped with limiting needle hanging platform 12；
4. clamp spring 46 is stuck in annular slot 44, being reliably fixed for needle hanging platform 12 is further ensured that.
Finally, the assembling of needle erecting device 100 is completed, you can is mounted as a whole on needle erecting device 100 as one
In the template of mold.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
For bright book as an entirety, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically
Bright, they are not to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of needle erecting device for mold, the needle erecting device includes piston, the valve for being arranged at the piston
Pin hanging platform and the needle for being arranged at the needle hanging platform, the needle extend along longitudinal axis, which is characterized in that the piston is set
There is container, the needle hanging platform is contained in completely in the container, and the needle is compared with the piston described vertical
Fixed on the extending direction of long axis, the needle can be mutually shifted in a first direction compared with the piston, and institute
State extending direction of the first direction perpendicular to the longitudinal axis.
2. needle erecting device according to claim 1, which is characterized in that the needle is movably set along the first direction
It is placed on the needle hanging platform, the needle hanging platform is movably arranged at the piston, the second direction in a second direction
Perpendicular to the extending direction of the longitudinal axis, and it is in a certain angle between the second direction and first direction.
3. needle erecting device according to claim 2, which is characterized in that the second direction is mutually hung down with first direction
Directly.
4. needle erecting device according to claim 1, which is characterized in that the needle hanging platform is equipped with along the first direction
The mating card slot of extension, the needle are movably disposed in the mating card slot along the first direction.
5. needle erecting device according to claim 4, which is characterized in that be equipped with opening portion at the mating card slot and stop
Stopper, the needle are equipped with bayonet part, and the bayonet part and the stopper section are matched to limit the needle in longitudinal axis
Extending direction on movement and the needle is allowed to move along the first direction.
6. needle erecting device according to claim 1, which is characterized in that the container is perpendicular to the fore and aft axis
Cross section on the direction of line is square, and the container has the first opposite side and the second opposite side being mutually parallel, described
Needle hanging platform has the both sides substantially parallel with the first opposite side and the both ends abutted against respectively with the second opposite side, institute
The distance between both sides are stated less than the spacing between first opposite side, so that the needle hanging platform is compared with the work
Plug is removable.
7. needle erecting device according to claim 6, which is characterized in that the both ends and second opposite side it
Between mutually face contact, and the connecting portion between the both ends and the both sides is disposed as arc.
8. needle erecting device according to claim 1, which is characterized in that the needle erecting device is further included arranged on institute
The stop tab of the end of container is stated, to limit the needle hanging platform compared with the piston in the extension side of the longitudinal axis
Upward movement.
9. needle erecting device according to claim 8, which is characterized in that on the piston and adjacent to the stop tab
Equipped with annular slot, the needle erecting device further includes the clamp spring being mutually clamped with the annular slot.
10. needle erecting device according to claim 8, which is characterized in that the stop tab is fixedly connected by screw
In the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038540.7A CN108044881B (en) | 2018-01-16 | 2018-01-16 | Valve needle mounting device for mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810038540.7A CN108044881B (en) | 2018-01-16 | 2018-01-16 | Valve needle mounting device for mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108044881A true CN108044881A (en) | 2018-05-18 |
| CN108044881B CN108044881B (en) | 2021-03-02 |
Family
ID=62126748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810038540.7A Active CN108044881B (en) | 2018-01-16 | 2018-01-16 | Valve needle mounting device for mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108044881B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1223019A1 (en) * | 2001-01-10 | 2002-07-17 | Synventive Molding Solutions B.V. | Actuating cylinder for a valve gated injection moulding device |
| EP2428345A2 (en) * | 2010-09-10 | 2012-03-14 | Mold-Masters (2007) Limited | Valve pin for accomodating side loading |
| CN204894404U (en) * | 2015-07-15 | 2015-12-23 | 柳道（青岛）热流道系统有限公司 | Needle mounting structure |
| CN106346713A (en) * | 2015-07-15 | 2017-01-25 | 柳道（青岛）热流道系统有限公司 | Valve needle mounting structure |
| CN205929315U (en) * | 2016-08-05 | 2017-02-08 | 柳道万和(苏州)热流道系统有限公司 | Actuating cylinder is driven to needle length adjustment formula |
| CN208215907U (en) * | 2018-01-16 | 2018-12-11 | 柳道万和(苏州)热流道系统有限公司 | Needle mounting device for mold |
-
2018
- 2018-01-16 CN CN201810038540.7A patent/CN108044881B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1223019A1 (en) * | 2001-01-10 | 2002-07-17 | Synventive Molding Solutions B.V. | Actuating cylinder for a valve gated injection moulding device |
| EP2428345A2 (en) * | 2010-09-10 | 2012-03-14 | Mold-Masters (2007) Limited | Valve pin for accomodating side loading |
| CN204894404U (en) * | 2015-07-15 | 2015-12-23 | 柳道（青岛）热流道系统有限公司 | Needle mounting structure |
| CN106346713A (en) * | 2015-07-15 | 2017-01-25 | 柳道（青岛）热流道系统有限公司 | Valve needle mounting structure |
| CN205929315U (en) * | 2016-08-05 | 2017-02-08 | 柳道万和(苏州)热流道系统有限公司 | Actuating cylinder is driven to needle length adjustment formula |
| CN208215907U (en) * | 2018-01-16 | 2018-12-11 | 柳道万和(苏州)热流道系统有限公司 | Needle mounting device for mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108044881B (en) | 2021-03-02 |
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