CN207308943U - Deflecting pulled core structure and casting equipment - Google Patents
Deflecting pulled core structure and casting equipment Download PDFInfo
- Publication number
- CN207308943U CN207308943U CN201721431607.0U CN201721431607U CN207308943U CN 207308943 U CN207308943 U CN 207308943U CN 201721431607 U CN201721431607 U CN 201721431607U CN 207308943 U CN207308943 U CN 207308943U
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- Prior art keywords
- sliding block
- deflecting
- active
- core
- active sliding
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- 238000005266 casting Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000003860 storage Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 33
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Technology of die manufacturing field is the utility model is related to, more particularly, to a kind of deflecting pulled core structure and casting equipment.Deflecting pulled core structure, including：Mold frame, driving mechanism, active sliding block, driven sliding block and core；The driving mechanism drives the active sliding block to be arranged on the cover board of the mold frame, the driven sliding block is passed through in the active sliding block, and the driven sliding block and the active sliding block are in angle, the driven sliding block can relatively described active sliding block be opposite slides, and one end of the driven sliding block is connected with the core；When the driving mechanism drives the active sliding block to stretch out, the driven sliding block is subject to slanting active force, to drive the core to make slanting movement.With alleviate local shape existing in the prior art can not core pulling technical problem.
Description
Technical field
Technology of die manufacturing field is the utility model is related to, more particularly, to a kind of deflecting pulled core structure and casting equipment.
Background technology
Since present complicated product is more and more, cause some mould structures also more complicated.And in order to ensure to produce
Efficiency, it is necessary to ensure the reliability and stability of mould structure, prevent from breaking down in production.
Existing conventional core pulling device slide block movement direction is to carry out pulling and pushing action along the axis of core pulling device oil cylinder main shaft.Cannot
Adapt to a variety of pulled core structures.When according to product structure design mould, some shape of product structures must design slipper block loose core
It can be molded, but have some products when carrying out product design, consider process design of the product in production.Cause
Some position shapes, can not be molded by conventional core pulling device structure.
Therefore how to solve local shape can not core pulling become those skilled in the art's urgent problem to be solved.
The information for being disclosed in the background section is merely intended to deepen the reason to the general background technology of the utility model
Solution, and be not construed as recognizing or imply known to those skilled in the art existing of the information structure in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of deflecting pulled core structure, to alleviate local shape existing in the prior art
Shape can not core pulling technical problem.
A kind of deflecting pulled core structure provided by the utility model, including：It is mold frame, driving mechanism, active sliding block, driven
Sliding block and core；
The driving mechanism drives the active sliding block to be arranged on the cover board of the mold frame, and the driven sliding block is worn
Cross in the active sliding block, and the driven sliding block and the active sliding block are in angle, the driven sliding block can be relatively described
Active sliding block is opposite to be slided, and one end of the driven sliding block is connected with the core；
When the driving mechanism drives the active sliding block to stretch out, the driven sliding block is subject to slanting effect
Power, to drive the core to make slanting movement.
Further, one end of the active sliding block is connected with the output terminal of the driving mechanism, the active sliding block
The other end is provided with accommodating chamber；
Two interior guide runners are provided with the accommodating chamber, two interior guide runners are symmetricly set on the accommodating chamber
On side wall, the extending direction of the interior guide runner is identical with the extending direction of the active sliding block, and the interior guide runner and water
Plane is set in angle；
The both ends of the driven sliding block are symmetrically arranged with two contiguous blocks, and the contiguous block is slidably disposed in described
In guide runner.
Further, the described one end of interior guide runner away from the driving mechanism is described close to the bottom of the accommodating chamber
Interior guide runner is close to one end of the driving mechanism close to the top of the accommodating chamber.
Further, the driving mechanism includes fixing bracket, drive cylinder and oil cylinder main shaft；
The fixing bracket is arranged on the side of the close active sliding block of the mold frame, and the drive cylinder is set
Put on fixing bracket, the oil cylinder main shaft is connected with the active sliding block.
Further, the active sliding block is provided with connecting portion, the oil cylinder main shaft close to one end of the oil cylinder main shaft
Front end is arranged in the connecting portion, for driving the active sliding block.
Further, the connecting portion is annular groove, and diameter of the annular groove close to described drive cylinder one end is less than remote
The diameter of described remote described drive cylinder one end.
Further, including guide pad, institute's guide pad are fixed on the mold frame, and the core is through institute
Guide pad is stated, for limiting the direction of motion of the core.
Further, guide groove is provided with the cover board, the one end of the driven sliding block away from the core is arranged on
In the guide groove.
Further, multiple oil storage tanks are additionally provided with the outside of the driven sliding block, multiple oil storage tanks are evenly distributed on institute
State the both sides of contiguous block.
Casting equipment, has above-mentioned deflecting pulled core structure.
A kind of deflecting pulled core structure provided by the utility model, including：It is mold frame, driving mechanism, active sliding block, driven
Sliding block and core；The driving mechanism drives the active sliding block to be arranged on the cover board of the mold frame, the driven cunning
Block is passed through in the active sliding block, and the driven sliding block and the active sliding block are in angle, and the driven sliding block can be opposite
The active sliding block is opposite to be slided, and one end of the driven sliding block is connected with the core；When described in driving mechanism driving
When active sliding block stretches out, the driven sliding block is subject to slanting active force, to drive the core to make slanting movement.Adopt
With above-mentioned scheme, driven sliding block passes through active sliding block, and driven sliding block and active sliding block are in angle, and active slip block passes through drive
Motivation structure can move back and forth along cover board upper surface, so as to drive angle of the driven sliding block along driven sliding block and active sliding block
Direction moves back and forth so that the direction of core along angle make it is slanting move, it is this to change core pulling and pull and push the structure in direction,
Core pulling processing can be carried out to these local shapes, with alleviate local shape existing in the prior art can not the technology of core pulling ask
Topic.
Casting equipment provided by the utility model, has above-mentioned deflecting pulled core structure.It is beneficial caused by casting equipment
Effect is identical with the beneficial effect that deflecting pulled core structure produces, and repeats no more.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, describe below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the overall structure diagram for the deflecting pulled core structure that the utility model embodiment provides；
Fig. 2 is the partial schematic diagram for the deflecting pulled core structure that the utility model embodiment provides；
Fig. 3 is the partial schematic diagram of the active sliding block for the deflecting pulled core structure that the utility model embodiment provides；
Fig. 4 is the stereogram of the driven sliding block for the deflecting pulled core structure that the utility model embodiment provides.
Icon：100- driving mechanisms；200- active sliding blocks；300- driven sliding blocks；400- guide pads；500- cores；110-
Drive cylinder；120- fixing brackets；130- oil cylinder main shafts；Guide runner in 210-；310- contiguous blocks；320- oil storage tanks.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, such as occur term " " center ", " on ", " under ", " left side ",
" right side ", " vertical ", " level ", " interior ", " outer " etc., orientation or position relationship indicated by it be based on orientation shown in the drawings or
Position relationship, is for only for ease of description the utility model and simplifies description, rather than indicates or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In addition, such as there is term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or implying opposite
Importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term such as occurs in the description of the utility model
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State concrete meaning of the term in the utility model.
Fig. 1 is the overall structure diagram for the deflecting pulled core structure that the utility model embodiment provides.As shown in Figure 1, this
A kind of deflecting pulled core structure that utility model provides, including：Mold frame, driving mechanism 100, active sliding block 200, driven sliding block
300 and core 500；
The driving mechanism 100 drives the active sliding block 200 to be arranged on the cover board of the mold frame, described driven
Sliding block 300 is passed through in the active sliding block 200, and the driven sliding block 300 and the active sliding block 200 are in angle, it is described from
Movable slider 300 can relatively described active sliding block 200 be opposite slides, and one end of the driven sliding block 300 connects with the core 500
Connect；
When the driving mechanism 100 drives the active sliding block 200 to stretch out, the driven sliding block 300 is subject to tiltedly
To active force, to drive the core 500 to make slanting movement.
Wherein, driven sliding block 300 and the connection mode of core 500 can be a variety of, such as：Plesiotype is leaned in driven sliding block 300
One end setting of core 500 is fluted, is provided with the boss coordinated with groove close to one end of driven sliding block 300 in core 500, leads to
The mating connection between boss and groove is crossed, driven sliding block 300 is connected with core 500, is also provided with the side wall of groove
Annular groove, is provided with the protrusion of annular, to improve the stability that core 500 is connected with driven sliding block 300 on the side wall of boss.
The form of driving mechanism can be driving motor and hydraulic stem.
A kind of deflecting pulled core structure provided by the utility model, including：Mold frame, driving mechanism 100, active sliding block
200th, driven sliding block 300 and core 500；The driving mechanism 100 drives the active sliding block 200 to be arranged on the mold frame
Cover board on, the driven sliding block 300 is passed through in the active sliding block 200, and the driven sliding block 300 and the active sliding block
200 be in angle, and the driven sliding block 300 can relatively described active sliding block 200 be opposite slides, and the one of the driven sliding block 300
End is connected with the core 500；When the driving mechanism 100 drives the active sliding block 200 to stretch out, the driven cunning
Block 300 is subject to slanting active force, to drive the core 500 to make slanting movement.Using above-mentioned scheme, driven sliding block
Through active sliding block 200, driven sliding block 300 and active sliding block 200 are in angle, and active slip block can by driving mechanism 100
Move back and forth along cover board upper surface, so as to drive angle of the driven sliding block 300 along driven sliding block 300 and active sliding block 200
Direction moves back and forth so that the direction of core 500 along angle make it is slanting move, it is this to change core pulling and pull and push the knot in direction
Structure, can to these local shapes carry out core pulling processing, with alleviate local shape existing in the prior art can not core pulling skill
Art problem.
Fig. 2 is the partial schematic diagram for the deflecting pulled core structure that the utility model embodiment provides；
Fig. 3 is the partial schematic diagram of the active sliding block for the deflecting pulled core structure that the utility model embodiment provides；
Fig. 4 is the stereogram of the driven sliding block for the deflecting pulled core structure that the utility model embodiment provides.As Fig. 2-4 institute
Show, on the basis of above-described embodiment, further, one end of the active sliding block 200 and the output of the driving mechanism 100
End connection, the other end of the active sliding block 200 are provided with accommodating chamber；
Two interior guide runners 210 are provided with the accommodating chamber, two interior guide runners 210 are symmetricly set on the appearance
Receive on the side wall of chamber, the extending direction of the interior guide runner 210 is identical and described with the extending direction of the active sliding block 200
Interior guide runner 210 is set horizontal by angle；
The both ends of the driven sliding block 300 are symmetrically arranged with two contiguous blocks 310, and the contiguous block 310 is slideably set
Put in the interior guide runner 210.
In the present embodiment, the accommodating chamber for accommodating driven sliding block 300 is provided with active sliding block 200, in accommodating chamber
Be provided with side wall two it is symmetrical in guide runners 210, and the extending direction of interior guide runner 210 and active sliding block 200 are prolonged
Stretch that direction is identical, be arranged on simultaneously as interior guide runner 210 is oblique on the side wall of active sliding block 200, in driven sliding block
Two of 300 lateral walls are symmetrically arranged with and the matched contiguous blocks 310 of the institute of interior guide runner 210, and 310 inclined setting of contiguous block
On the side wall of driven sliding block 300, the angle of inclination of contiguous block 310 is identical with the angle of inclination of interior guide runner 210, is so driving
When the driving of motivation structure 100 active sliding block 200 carries out the reciprocating motion along cover board upper surface progress level, pass through interior guide runner 210
Driven sliding block 300 is driven to be moved, to realize core pulling.
On the basis of above-described embodiment, further, the interior guide runner 210 away from the driving mechanism 100 one
End is close to the bottom of the accommodating chamber, and the interior guide runner 210 is close to one end of the driving mechanism 100 close to the accommodating chamber
Top.
In the present embodiment, the interior one end of guide runner 210 away from driving mechanism 100 is close to the bottom of accommodating chamber, interior guide runner
210 close to one end of driving mechanism 100 close to the top of accommodating chamber.In this way, driving mechanism 100 drive active sliding block 200 to
During away from 100 1 end motion of driving mechanism, driven sliding block 300 is subject to component obliquely, so that core 500 is to side obliquely
To movement.
On the basis of above-described embodiment, further, the driving mechanism 100 includes fixing bracket 120, drive cylinder
110 and oil cylinder main shaft 130；
The fixing bracket 120 is arranged on the side of the close active sliding block 200 of the mold frame, the driving
Oil cylinder 110 is arranged on fixing bracket 120, and the oil cylinder main shaft 130 is connected with the active sliding block 200.
Wherein, oil cylinder main shaft 130 can be telescopic shaft.
In the present embodiment, drive cylinder 110 is arranged on fixing bracket 120, in this way, easy to the placement of drive cylinder 110,
And drive cylinder 110 is not easily susceptible to damage, 110 drive cylinder of drive cylinder, 110 main shaft stretches or shrinks, so that actively
Do horizontal reciprocating motion in the upper surface of sliding block 200 along cover board.
On the basis of above-described embodiment, further, the active sliding block 200 close to the oil cylinder main shaft 130 one
End is provided with connecting portion, and 130 front end of oil cylinder main shaft is arranged in the connecting portion, for driving the active sliding block 200.
In the present embodiment, oil cylinder main shaft 130 can be fixedly connected with connecting portion, or be flexibly connected, in active sliding block
200 are provided with connecting portion close to one end of drive cylinder 110, in this way, in order between oil cylinder main shaft 130 and active sliding block 200
Connection.
On the basis of above-described embodiment, further, the connecting portion is annular groove, and the annular groove is close to the driving oil
The diameter of 110 one end of cylinder is less than the diameter away from described remote described 110 one end of drive cylinder.
In the present embodiment, diameter of the annular groove close to 110 one end of drive cylinder is less than straight away from 110 one end of drive cylinder
Footpath, in this way, during specific use, one end of oil cylinder main shaft 130 is arranged in annular groove, when carrying out extension movement, oil
Cylinder main shaft 130 is abutted with one end of the remote drive cylinder 110 with sliding slot, to promote active sliding block 200 to be moved horizontally along cover board,
When oil cylinder main shaft 130 carries out contractile motion, oil cylinder main shaft 130 is clamped with annular groove close to one end of drive cylinder 110, so that band
An end motion of the dynamic active sliding block 200 to close drive cylinder 110.
On the basis of above-described embodiment, further, including guide pad 400, institute's guide pad 400 are fixed at described
On mold frame, the core 500 is through the guide pad 400, for limiting the direction of motion of the core 500.
In the present embodiment, guide pad 400 is fixed on mold frame, and guide pad 400 is arranged on prolonging for core 500
Stretch on direction, the pilot hole passed through for core 500 is provided with guide pad 400, in this way, being subject to driven sliding block in core 500
During 300 driving force, the setting of pilot hole can effectively limit the movement locus of core 500.
On the basis of above-described embodiment, further, guide groove, the driven sliding block 300 are provided with the cover board
One end away from the core 500 is arranged in the guide groove.
In the present embodiment, guide groove is provided with the cover board, and the one end of driven sliding block 300 away from core 500 is arranged on
In guide groove, in this way, be connected by the restriction of guide groove, and 300 other end of driven sliding block with core 500, and core 500 passes through
The restriction of guide pad 400, so as to ensure the further movement locus for having ensured driven sliding block 300.
On the basis of above-described embodiment, further, the outside of the driven sliding block 300 is additionally provided with multiple oil storage tanks
320, multiple oil storage tanks 320 are evenly distributed on the both sides of the contiguous block 310.
Wherein, multiple oil storage holes are also provided with the outside of driven sliding block 300, multiple oil storage holes are evenly distributed on two
The both sides of contiguous block 310, oil storage hole is interior to be used to store lubricating oil, so that driven sliding block 300 and the contact surface of active sliding block 200
Lubricity is improved.
In the present embodiment, multiple oil storage tanks 320 are provided with the outside of driven sliding block 300, and oil storage tank 320 includes horizontal stroke
To oil storage tank 320 and longitudinal direction oil storage tank 320, horizontal and vertical oil storage tank 320 is interspersed, so that 310 liang of contiguous block
Side is formed with lubrication face, by being provided with lubricating oil in oil storage tank 320, with ensure active sliding block 200 and driven sliding block 300 it
Between opposite slip.
Casting equipment, has above-mentioned deflecting pulled core structure.
Casting equipment provided by the utility model, has above-mentioned deflecting pulled core structure.It is beneficial caused by casting equipment
Effect is identical with the beneficial effect that deflecting pulled core structure produces, and repeats no more.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify the technical solution described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
- A kind of 1. deflecting pulled core structure, it is characterised in that including：Mold frame, driving mechanism, active sliding block, driven sliding block and Core；The driving mechanism drives the active sliding block to be arranged on the cover board of the mold frame, and the driven sliding block passes through The active sliding block, and the driven sliding block and the active sliding block are in angle, the driven sliding block being capable of relatively described active Sliding block is opposite to be slided, and one end of the driven sliding block is connected with the core；When the driving mechanism drives the active sliding block to stretch out, the driven sliding block is subject to slanting active force, with The core is driven to make slanting movement.
- 2. deflecting pulled core structure according to claim 1, it is characterised in that one end of the active sliding block and the driving The output terminal connection of mechanism, the other end of the active sliding block are provided with accommodating chamber；Two interior guide runners are provided with the accommodating chamber, two interior guide runners are symmetricly set on the side wall of the accommodating chamber On, the extending direction of the interior guide runner is identical with the extending direction of the active sliding block, and the interior guide runner and horizontal plane Set in angle；The both ends of the driven sliding block are symmetrically arranged with two contiguous blocks, and the contiguous block is slidably disposed on the interior slide guide In groove.
- 3. deflecting pulled core structure according to claim 2, it is characterised in that the interior guide runner is away from the driving mechanism One end close to the bottom of the accommodating chamber, the interior guide runner is close to one end of the driving mechanism close to the accommodating chamber Top.
- 4. deflecting pulled core structure according to claim 3, it is characterised in that the driving mechanism includes fixing bracket, drives Dynamic oil cylinder and oil cylinder main shaft；The fixing bracket is arranged on the side of the close active sliding block of the mold frame, and the drive cylinder is arranged on On fixing bracket, the oil cylinder main shaft is connected with the active sliding block.
- 5. deflecting pulled core structure according to claim 4, it is characterised in that the active sliding block is close to the oil cylinder main shaft One end be provided with connecting portion, the oil cylinder front-end of spindle is arranged in the connecting portion, for driving the active sliding block.
- 6. deflecting pulled core structure according to claim 5, it is characterised in that the connecting portion is annular groove, and the annular groove leans on The diameter of nearly described drive cylinder one end is less than the diameter away from described remote described drive cylinder one end.
- 7. deflecting pulled core structure according to claim 1, it is characterised in that including guide pad, institute's guide pad fixed setting On the mold frame, the core is through the guide pad, for limiting the direction of motion of the core.
- 8. deflecting pulled core structure according to claim 7, it is characterised in that guide groove is provided with the cover board, it is described The one end of driven sliding block away from the core is arranged in the guide groove.
- 9. deflecting pulled core structure according to claim 2, it is characterised in that be additionally provided with the outside of the driven sliding block more A oil storage tank, multiple oil storage tanks are evenly distributed on the both sides of the contiguous block.
- 10. casting equipment, it is characterised in that there is such as claim 1-9 any one of them deflecting pulled core structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431607.0U CN207308943U (en) | 2017-10-31 | 2017-10-31 | Deflecting pulled core structure and casting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431607.0U CN207308943U (en) | 2017-10-31 | 2017-10-31 | Deflecting pulled core structure and casting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207308943U true CN207308943U (en) | 2018-05-04 |
Family
ID=62379397
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721431607.0U Expired - Fee Related CN207308943U (en) | 2017-10-31 | 2017-10-31 | Deflecting pulled core structure and casting equipment |
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| Country | Link |
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| CN (1) | CN207308943U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672681A (en) * | 2018-08-16 | 2018-10-19 | 襄阳美利信科技有限责任公司 | A kind of die casting it is anti-jamming to inserting core structure |
| CN108687327A (en) * | 2018-08-23 | 2018-10-23 | 襄阳美利信科技有限责任公司 | A kind of interlock core_pulling structure on die casting |
| CN108687326A (en) * | 2018-08-23 | 2018-10-23 | 襄阳美利信科技有限责任公司 | A kind of dynamic model oblique core drawing mechanism |
| CN114311549A (en) * | 2021-12-31 | 2022-04-12 | 上海捷氢科技股份有限公司 | Plastic mold, plastic mold fixed mold and automatic core pulling mechanism thereof |
-
2017
- 2017-10-31 CN CN201721431607.0U patent/CN207308943U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672681A (en) * | 2018-08-16 | 2018-10-19 | 襄阳美利信科技有限责任公司 | A kind of die casting it is anti-jamming to inserting core structure |
| CN108687327A (en) * | 2018-08-23 | 2018-10-23 | 襄阳美利信科技有限责任公司 | A kind of interlock core_pulling structure on die casting |
| CN108687326A (en) * | 2018-08-23 | 2018-10-23 | 襄阳美利信科技有限责任公司 | A kind of dynamic model oblique core drawing mechanism |
| CN114311549A (en) * | 2021-12-31 | 2022-04-12 | 上海捷氢科技股份有限公司 | Plastic mold, plastic mold fixed mold and automatic core pulling mechanism thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |