CN206106268U - Survey mould cavity pressure device and injection mold - Google Patents
Survey mould cavity pressure device and injection mold Download PDFInfo
- Publication number
- CN206106268U CN206106268U CN201621193241.3U CN201621193241U CN206106268U CN 206106268 U CN206106268 U CN 206106268U CN 201621193241 U CN201621193241 U CN 201621193241U CN 206106268 U CN206106268 U CN 206106268U
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- Prior art keywords
- thimble
- fixed plate
- pressure
- mold cavity
- mould
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Abstract
The utility model provides a survey mould cavity pressure device and injection mold relates to mould cavity pressure monitoring technical field, including movable mould mould benevolence, cover half mould benevolence, thimble and pressure sensor, movable mould mould benevolence is equipped with partial movable mould die cavity, and cover half mould benevolence is equipped with the cover half die cavity, and the merciful and peaceful cover half mould benevolence of movable mould mould is closed shape moulding utensil die cavity each other, the thimble pierces through movable mould mould benevolence, and complete movable mould die cavity is constituteed to the afterbody terminal surface and the movable mould mould benevolence of thimble, the top cap terminal face of thimble link to each other with pressure sensor and pressure sensor's pressure membrane just to the top cap terminal face of thimble. The problem of to the pressure detection of mould cavity inside, guarantee that multicavity injection mold pressure is unanimous or keep controllable technique is solved.
Description
Technical field
This utility model is related to mold cavity pressure monitoring technology field, surveys mold cavity pressure dress more particularly, to a kind of
Put and injection mold.
Background technology
Injection mold is a kind of instrument for producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension
Instrument.Injection mold is made up of dynamic model and cover half two parts, wherein, dynamic model is arranged on the moving die plate of injection machine, cover half peace
It is mounted on the fixed form of injection machine, the mavable module core in injection mo(u)lding on dynamic model constitutes mould with the fixed mold core closure on cover half
Chamber, during die sinking, dynamic model is separated with cover half, and product is ejected from mavable module core and departed from dynamic model by the thimble on dynamic model, and injection mold can
To start the production of next product.Wherein, in the link being molded to mould, piston can be to pouring into the plastic pellet of mould
Son is pushed, so that plastic pellet can be full of mold cavity, the pushing speed of piston is different, and plastic pellet is to mold cavity
The pressure for causing can also change, and the difference of plastic pellet pressure, impact will also result on the formation quality of product.
Such as, if pressure is excessive, it is likely to result in plastic pellet and sprays between dynamic model and cover half, cause product misrun
(significantly depression etc.)；If pressure is too small, plastic pellet can not be full of mold cavity well, cause interiors of products to have time
Hole.Both can all make product rejection, affect production efficiency.
On the other hand, for multi-cavity mold, various intracavity is entered in plastic pellet, once the pressure of each die cavity is different,
Then also it is easy to cause scrapping for product, when multi-cavity mold is molded, is all that product is stayed on dynamic model, after the cooling period, passes through
Product is separated by manpower or mechanical hand with dynamic model die cavity, during being kept completely separate from die sinking to product, product and cover half
During separation, between cohesive force product can be pullled and cause slight deformation, when product is separated with dynamic model, equally can be because bonding
Power makes product that slight deformation to occur, and the pressure of each mold cavity is different, and the deflection which produces is also different, may be because of each die cavity
Pressure difference causes individual product deformation excessive and scraps.
Utility model content
The purpose of this utility model is to provide a kind of survey mold cavity pressure apparatus and injection mold, to solve to mould
Pressure detecting inside tool die cavity, it is ensured that multi-cavity mold injection pressure is consistent or keeps controllable technical problem.
A kind of survey mold cavity pressure apparatus that this utility model is provided, including：Dynamic model die, cover half die, thimble with
And pressure transducer；
The dynamic model die is provided with part dynamic model die cavity, and the cover half die is provided with cover half die cavity, the dynamic model die and
Cover half die is mutually closed to form mold cavity；
The thimble penetrates the dynamic model die, and the tail end face of the thimble constitutes complete moving with the dynamic model die
Mould die cavity；
The top cap end face of the thimble is connected with the pressure transducer and the pressure-sensitive diaphragm of the pressure transducer is just right
In the top cap end face of the thimble.
Further, the top cap of the thimble is connected and fixed by the first fixed plate and the second fixed plate, compared to described
Second fixed plate, the distance of first fixed plate to the dynamic model die closer to.
Further, first fixed plate and second fixed plate contact and are bolted；
First fixed plate is provided with counterbore, and the top cap of the thimble is submerged the counterbore of first fixed plate, and institute
The top cap end face for stating thimble is concordant with the one side contacted with the second fixed plate of the first fixed plate.
Further, first fixed plate is cabinet-type fixed plate, and the diameter of the through hole of first fixed plate is big
In the diameter of the diameter and top cap less than the thimble of the push rod of the thimble；
First fixed plate and second fixed plate are bolted, and the distance between equal to the thimble top
The length of cap.
Further, second fixed plate is provided with the groove and installation connection pressure biography for installing the pressure transducer
The wire casing of the cable of sensor；
The depth of the groove is equal to the length of the pressure transducer, makes the diaphragm of the pressure transducer with described the
Two fixed plates are concordant towards the one side of the thimble.
Further, the pressure transducer adopts button shape pressure transducer, places the recessed of the button shape pressure transducer
The diameter of the top cap with diameter greater than the thimble of groove.
Further, the mold cavity that the dynamic model die mutually closes formation with cover half die has two；
The dynamic model die center is provided with and fills the injection channel that connects of mouth, the injection channel respectively with two mould types
Chamber is connected.
Further, each described mold cavity includes many thimbles, each described mold cavity correspondence one or
Two pressure transducers.
Further, also include for the thimble provide ejection and return power guide pillar, one end of the guide pillar with
The second fixed plate clamping, the other end are connected with the power set of injection machine.
This utility model also provides a kind of injection mold, including the survey mold cavity pressure apparatus described in any of the above item.
What this utility model was provided surveys having the beneficial effect that for mold cavity pressure apparatus and injection mold：
Due in Design of Dies, arranging the tail end face of thimble as a part for dynamic model die cavity, enter in plastic pellet
After entering in mold cavity, it is that pressure is produced to whole mold cavity, same also can produce pressure to the tail end end face of thimble, Gu
The top cap end face for arranging thimble is connected with pressure transducer, and pressure transducer directly gives the power of thimble ejection, Gu plastic pellet
The pressure of thimble tail end face can be directly acted on pressure transducer into mold cavity, and then intuitively obtain mould type
The pressure in intracavity portion；Additionally, the pressure-sensitive diaphragm for arranging pressure transducer is right against the top cap end face of thimble, obtain pressure transducer
The data for arriving are more accurate.The device of the detection mold cavity pressure is not only adapted to the pressure monitor of mould only one of which die cavity, right
In the mould of multimode cavity, can be very good to control pressure balance when each die cavity is molded.
The injection mold is had the advantage that identical relative to prior art with the survey mold cavity pressure apparatus,
This repeats no more.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
The structure diagram of the survey mold cavity pressure apparatus that Fig. 1 is provided for this utility model embodiment；
Another kind of structure diagram for surveying mold cavity pressure apparatus that Fig. 2 is provided for this utility model embodiment；
Fig. 3 is the enlarged drawing of A in Fig. 1；
The top view for surveying the second fixed plate in mold cavity pressure apparatus that Fig. 4 is provided for this utility model embodiment.
Icon：1- cover half dies；2- dynamic model dies；3- mold cavities；4- thimbles；5- button shape pressure transducers；
6- guide pillars；The first fixed plates of 7-；The second fixed plates of 8-；9- fills mouth；10- cables；801- grooves；802- wire casings.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of this utility model, rather than the embodiment of whole.Based on the embodiment in this utility model, this
The every other embodiment obtained under the premise of creative work is not made by field those of ordinary skill, belongs to practical
Novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " is, based on orientation shown in the drawings or position relationship, to be only
For the ease of describe this utility model and simplify description, rather than indicate or imply indication device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in this utility model.
As shown in figure 1, a kind of survey mold cavity pressure apparatus, including：Dynamic model die 2, cover half die 1, thimble 4 and pressure
Force transducer；Dynamic model die 2 is provided with part dynamic model die cavity, and cover half die 1 is provided with cover half die cavity, dynamic model die 2 and cover half die 1
It is mutually closed to form mold cavity 3；Thimble 4 penetrates dynamic model die 2, and tail end face and the dynamic model die 2 of thimble 4 constitute complete
Dynamic model die cavity；The top cap end face of thimble 4 is connected with pressure transducer and the pressure-sensitive diaphragm of pressure transducer is right against the top of thimble 4
Cap end face.
Due in Design of Dies, arranging the tail end face of thimble 4 as a part for dynamic model die cavity, enter in plastic pellet
After entering in mold cavity 3, it is that pressure is produced to whole mold cavity 3, same also can produce pressure to the tail end end face of thimble 4
Power, the top cap end face of fixed top set pin 4 are connected with pressure transducer, and pressure transducer directly gives the power of the ejection of thimble 4, Gu modeling
Material particle can be directly acted on pressure transducer into mold cavity 3 to the pressure of 4 tail end face of thimble, and then is intuitively obtained
Obtain the pressure inside mold cavity 3；Additionally, the pressure-sensitive diaphragm for arranging pressure transducer is right against the top cap end face of thimble 4, pressure is made
The data that force transducer is obtained are more accurate.The device of 3 pressure of detection mold cavity is not only adapted to mould only one of which die cavity
Pressure monitor, for the mould of multimode cavity, can be very good to control pressure balance when each die cavity is molded.
Additionally, for the fixation of thimble 4, conventional has two kinds, and the first is：One fixed plate of insertion, due to thimble 4
The diameter with diameter greater than 4 push rod of thimble of top cap, fixed top set pin 4 are stuck in fixed plate, meanwhile, then will be pushed up by hexagon socket head cap screw
Block on the outside of 4 top cap of pin, and then reach the effect of fixed thimble 4；Second is that two fixed plates are bolted together,
The draw-in groove for accommodating 4 top cap of thimble is internally formed, then clamping is carried out to the top cap of thimble 4 admittedly by the draw-in groove that two fixed plates are formed
It is fixed.In the present embodiment, due to the top cap end face and pressure transducer directly contact of thimble 4, if solid using the first thimble 4
If determining method, hexagon socket head cap screw can have a certain impact to the placement of pressure transducer.So in order to ensure that pressure is passed
Position relationship between sensor and thimble 4 will not change aborning and affect to measure the distortion of pressure data, here
Using second 4 fixing means of thimble.
Specifically, the top cap for arranging thimble 4 is connected and fixed by the first fixed plate 7 and the second fixed plate 8, wherein, compare
In the second fixed plate 8, the distance of the first fixed plate 7 and dynamic model die 2 closer to.Wherein, pressure transducer is placed on the second fixation
In plate 8.
Wherein, also realize that thimble 4 is fixed including two kinds of structures using the second way, as shown in Figure 1, 2, the first name
First fixed plate 7 is counterbore type fixed plate, specifically, arranges the first fixed plate 7 and the second fixed plate 8 contacts and solid by bolt
Fixed, the first fixed plate 7 is provided with counterbore, and now the top cap of thimble 4 is submerged the top cap end of the counterbore and thimble 4 of the first fixed plate 7
Face is concordant with the one side contacted with the second fixed plate 8 of the first fixed plate 7.The benefit for so arranging is that thimble 4 can be very accurate
The position for being fixed on needs, and after the first fixed plate 7 and the second fixed plate 8 are fixed together, pressure transducer and and its
10 grade of cable of connection can all be in the state of almost closing, it is ensured that do not have external environment and cause unfavorable to pressure transducer
Impact, ensure well sensitivity and the degree of accuracy of pressure transducer.
Another kind is that to arrange the first fixed plate 7 be cabinet-type fixed plate, the through hole of the first fixed plate 7 with diameter greater than top
The diameter of the diameter of the push rod of pin 4 and the top cap less than thimble 4；First fixed plate 7 and the second fixed plate 8 are bolted, and
The distance between equal to thimble 4 top cap length.So, interfix between the first fixed plate 7 and the second fixed plate 8
Afterwards, the top cap of thimble 4 is located between two fixed plates, has gap between two fixed plates.Such benefit is, in pressure transducer
After being fixed by the second fixed plate 8 and thimble 4 jointly, connected cable 10 can be stretched out from the gap for being formed, and is being grown
In the production process of time, the radiating of cable 10 and pressure transducer can be accelerated in the gap between two fixed plates, it is to avoid pressure
Force transducer sensitivity decrease because temperature is too high.
It is previously mentioned, pressure transducer is located in the second fixed plate 8 and is connected with the cable 10 of transmission data, so, such as
Fig. 3, shown in 4, the groove 801 for installing pressure transducer and the electricity for installing connection pressure transducer are provided with the second fixed plate 8
The wire casing 802 of cable 10；Wherein, for the counterbore type of the first fixed plate 7, wire casing 802 needs to extend the second fixed plate 8；For
In the cabinet-type of the first fixed plate 7, wire casing 802 can extend the second fixed plate 8 or not extend out the second fixed plate 8 and transfer
Stretch out from the gap between two fixed plates.The depth of its further groove 801 is equal to the length of pressure transducer, makes pressure transducer
Diaphragm it is concordant towards the one side of thimble 4 with the second fixed plate 8.Such benefit is to ensure that pressure transducer will not be in frequency
In the case of numerous pressure, produce pressure transducer due to fixing the bolt looseness of the first fixed plate 7 and the second fixed plate 8
Rock, impact is just docked with thimble 4, in turn results in the consequence of pressure detecting distortion.
Additionally, for the pressure transducer of various environmental disturbances when installation adapts to produce in mould, in the present embodiment
In, pressure transducer adopt button shape pressure transducer 5, button shape pressure transducer 5 be exactly with measurement die cavity in injection pressure as mesh
, indirect type pressure transducer.Additionally, the body of button shape pressure transducer 5 is cylindrical shape, and its bottom surface is justified and side wall
Between no chamfering, therefore which is placed in the tubular groove 801 of the second fixed plate 8, then under the pressure of push rod, energy
It is enough fixed well, avoided because pressure transducer places the hidden danger that shakiness is caused as far as possible.Additionally, placing button shape pressure
The diameter of the groove 801 of sensor 5 should be slightly larger than the diameter of the top cap of thimble 4, it is to avoid because thimble 4 deforms or other feelings
Condition makes thimble 4 withstand in the second fixed plate 8, affects the detection of button shape pressure transducer 5.
It is noted that the pressure-sensitive diaphragm of button shape pressure transducer 5 directly must be contacted with thimble 4, and it is unable to opposite direction
Arrange, in order to avoid affect the accuracy of detection of button shape pressure transducer 5.
Additionally, because the heat resisting temperature of button shape pressure transducer 5 is less than 150 DEG C, it is in case of need, right
Dynamic model is particularly 5 surrounding of button shape pressure transducer and arranges heat abstractor, such as：Laying cooling water pipeline, by the flowing of cooling water
To realize purpose of lowering the temperature.
The survey mold cavity pressure apparatus that the present embodiment is provided, wherein dynamic model die 2 mutually close what is formed with cover half die 1
Mold cavity 3 has two；2 center of dynamic model die is provided with and fills the injection channel that connects of mouth 9, injection channel respectively with two moulds
Die cavity 3 is connected.The speed of production that two mold cavities 3 can accelerate product is set, and while two mold cavities 3 is carried out
Pressure detecting, preferably can be adjusted to the pressure of mold cavity 3 by contrast, make injection pressure keep balance, it is ensured that
The steady production of product.Certainly, the survey mold cavity pressure apparatus that the present embodiment is provided is can adapt to more mold cavities 3
Mould.
Simultaneously as each mold cavity 3 includes many thimbles 4 substantially, each mould can be given according to practical situation
Die cavity 3 arranges one or two pressure transducer.Same mold cavity 3, different positions, its plastic pellet is to mold cavity
3 pressure for producing also can be different, using two even more than pressure transducer, can be to the pressure detecting of mold cavity 3 more
Accurately and comprehensively.
In the present embodiment, as the second fixed plate 8 is provided with button shape pressure transducer 5 and cable 10 and corresponding recessed
Groove 801 and wire casing 802, so reduce other in the design as far as possible has contact or influential design to the second fixed plate 8, such as
Allow the spring assembly of 4 self-return of thimble, and guide pillar therein 6 is probably due to will affect second solid with 7 clamping of the first fixed plate
Path of cable 10 etc. in fixed board 8.Therefore, design thimble 4 ejection and return needed for power complete all by injection machine.Tool
Body, it is including the guide pillar 6 of the power that ejection and return are provided for thimble 4, one end of guide pillar 6 and 8 clamping of the second fixed plate, another
End is connected with the power set of injection machine.
This utility model additionally provides a kind of injection mold, specifically, including all mechanisms mentioned above.
Relative to prior art, the injection mold that this utility model embodiment is provided has the advantage that：
The survey mold cavity pressure apparatus, due in Design of Dies, arranging the tail end face of thimble 4 as dynamic model die cavity
A part, after plastic pellet is entered in mold cavity 3, be that pressure is produced to whole mold cavity 3, same also can be to top
The tail end end face of pin 4 produces pressure, and the top cap end face of fixed top set pin 4 is connected with pressure transducer, pressure transducer directly to
The power for giving thimble 4 to eject, Gu plastic pellet can directly act on pressure to the pressure of 4 tail end face of thimble into mold cavity 3
On sensor, and then intuitively obtain the pressure inside mold cavity 3；Additionally, the pressure-sensitive diaphragm for arranging pressure transducer is just right
In the top cap end face of thimble 4, make the data that pressure transducer is obtained more accurate.The device of 3 pressure of detection mold cavity is not only
The pressure monitor of suitable mould only one of which die cavity, for the mould of multimode cavity, when can be very good to control each die cavity injection
Pressure balance.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (10)
1. it is a kind of to survey mold cavity pressure apparatus, it is characterised in that to include：Dynamic model die, cover half die, thimble and pressure are passed
Sensor；
The dynamic model die is provided with part dynamic model die cavity, and the cover half die is provided with cover half die cavity, the dynamic model die and cover half
Die is mutually closed to form mold cavity；
The thimble penetrates the dynamic model die, and the tail end face of the thimble constitutes complete dynamic model mould with the dynamic model die
Chamber；
The top cap end face of the thimble is connected with the pressure transducer and the pressure-sensitive diaphragm of the pressure transducer is right against institute
State the top cap end face of thimble.
2. it is according to claim 1 to survey mold cavity pressure apparatus, it is characterised in that the top cap of the thimble passes through first
Fixed plate and the second fixed plate are connected and fixed, and compared to second fixed plate, first fixed plate is to the dynamic model die
Distance closer to.
3. survey mold cavity pressure apparatus according to claim 2, it is characterised in that first fixed plate and described the
Two fixed plates contact and are bolted；
First fixed plate is provided with counterbore, and the top cap of the thimble is submerged the counterbore of first fixed plate, and the top
The top cap end face of pin is concordant with the one side contacted with the second fixed plate of the first fixed plate.
4. it is according to claim 2 to survey mold cavity pressure apparatus, it is characterised in that first fixed plate is cabinet-type
Fixed plate, the diameter of the push rod with diameter greater than the thimble of the through hole of first fixed plate and the top less than the thimble
The diameter of cap；
First fixed plate and second fixed plate be bolted, and the distance between equal to the thimble top cap
Length.
5. the survey mold cavity pressure apparatus according to claim 3 or 4, it is characterised in that set in second fixed plate
There is the groove for installing the pressure transducer and the wire casing of the cable of connection pressure transducer is installed；
The depth of the groove is equal to the length of the pressure transducer, makes the diaphragm of the pressure transducer solid with described second
Fixed board is concordant towards the one side of the thimble.
6. it is according to claim 5 to survey mold cavity pressure apparatus, it is characterised in that the pressure transducer adopts button shape
Pressure transducer, places the diameter of the top cap with diameter greater than the thimble of the groove of the button shape pressure transducer.
7. it is according to claim 1 to survey mold cavity pressure apparatus, it is characterised in that the dynamic model die and cover half die
The mold cavity for mutually closing formation has two；
The dynamic model die center is provided with and fills the injection channel that connects of mouth, the injection channel respectively with two mold cavity phases
Even.
8. it is according to claim 7 to survey mold cavity pressure apparatus, it is characterised in that each described mold cavity includes many
Thimble described in root, corresponding one or two the described pressure transducer of each described mold cavity.
9. it is according to claim 2 to survey mold cavity pressure apparatus, it is characterised in that also to include providing top for the thimble
Go out the power of the guide pillar with the power of return, one end of the guide pillar and the second fixed plate clamping, the other end and injection machine
Device is connected.
10. a kind of injection mold, it is characterised in that include the survey mold cavity pressure dress as described in any one of claim 1-9
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621193241.3U CN206106268U (en) | 2016-10-31 | 2016-10-31 | Survey mould cavity pressure device and injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621193241.3U CN206106268U (en) | 2016-10-31 | 2016-10-31 | Survey mould cavity pressure device and injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206106268U true CN206106268U (en) | 2017-04-19 |
Family
ID=58526119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621193241.3U Expired - Fee Related CN206106268U (en) | 2016-10-31 | 2016-10-31 | Survey mould cavity pressure device and injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206106268U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553814A (en) * | 2017-07-31 | 2018-01-09 | 昆山嘉华汽车电子科技有限公司 | Injection mold and injection moulding process |
| CN107803976A (en) * | 2017-11-27 | 2018-03-16 | 优力精密塑胶（苏州）有限公司 | A kind of pressure tester and injection mold in mold cavity |
| CN108357069A (en) * | 2018-01-24 | 2018-08-03 | 华讯方舟科技有限公司 | Cavity injection mold melt flows balance check method |
| CN114012062A (en) * | 2021-10-15 | 2022-02-08 | 东风汽车集团股份有限公司 | Moving die |
-
2016
- 2016-10-31 CN CN201621193241.3U patent/CN206106268U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553814A (en) * | 2017-07-31 | 2018-01-09 | 昆山嘉华汽车电子科技有限公司 | Injection mold and injection moulding process |
| CN107803976A (en) * | 2017-11-27 | 2018-03-16 | 优力精密塑胶（苏州）有限公司 | A kind of pressure tester and injection mold in mold cavity |
| CN108357069A (en) * | 2018-01-24 | 2018-08-03 | 华讯方舟科技有限公司 | Cavity injection mold melt flows balance check method |
| CN114012062A (en) * | 2021-10-15 | 2022-02-08 | 东风汽车集团股份有限公司 | Moving die |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 Termination date: 20211031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |