CN208099277U - Overlay film sand mold die lifter - Google Patents
Overlay film sand mold die lifter Download PDFInfo
- Publication number
- CN208099277U CN208099277U CN201820419772.2U CN201820419772U CN208099277U CN 208099277 U CN208099277 U CN 208099277U CN 201820419772 U CN201820419772 U CN 201820419772U CN 208099277 U CN208099277 U CN 208099277U
- Authority
- CN
- China
- Prior art keywords
- top plate
- stripper plate
- sand mold
- overlay film
- mold die
- 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.)
- Expired - Fee Related
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- 239000004576 sand Substances 0.000 title claims abstract description 53
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 27
- 238000000034 method Methods 0.000 abstract description 13
- 238000013467 fragmentation Methods 0.000 abstract description 9
- 238000006062 fragmentation reaction Methods 0.000 abstract description 9
- 230000033001 locomotion Effects 0.000 abstract description 6
- 239000012467 final product Substances 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 241000886545 Leptodea leptodon Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Casting Devices For Molds (AREA)
Abstract
The utility model provides a kind of overlay film sand mold die lifter, is related to precoated sand engineering device technique field.Overlay film sand mold die lifter, including：Stripping bracket, stripping bracket include pedestal and stripper plate, and the two sides of pedestal have sliding slot, and medium position has top plate slot, and the two sides along number of unmolulding directions of stripper plate are slidably disposed in sliding slot.Draw on pins structure, draw on pins structure includes mandril, top plate, backform lead screw and driving motor, mandril is arranged in stripper plate and is located in top plate slot, stripper plate can be slided along mandril, one end of mandril is connect with pedestal, and other end is connect with top plate, and the shape of top plate and the profile of top plate slot agree with, backform screw rod is threadedly engaged with stripper plate, and driving motor is set to pedestal and for driving backform screw rod to rotate.Type core, type core are set to stripper plate and pass through top plate, and stripper plate is able to drive the movement of type core.Fracture or fragmentation do not occur for shell mould when overlay film sand mold die lifter can ensure molding, ensure final product quality.
Description
Technical field
The utility model relates to precoated sand engineering device technique fields, in particular to a kind of overlay film sand mold die lifter.
Background technique
Precoated sand technology has the features such as significant energy conservation, boundary's dish, reduce production cost, improve casting product quality, mesh
It is preceding to be had obtained relatively broad application in the castings production of the industries such as automobile, motorcycle, engineering machinery, and achieve and weld
Economic benefit and social benefit.Precoated sand foundry engieering external form, precoated sand foundry engieering casting dimensional accuracy are CT7~CT8
Grade, appearance roughness Ra value is in 6.3~12.5m scale.Precoated sand technology forming quality reaches waterglass Investment casting technology
Level is a kind of technology method of more aspiration.Precoated sand good moldability, sharp, technology yield rate is high, reaches 90%
More than, as long as producing process shell processed, casting and arranging 3 processes, technology process is simple, small by such environmental effects.
Currently, in conventional cast industry sand core and casting mold are usually produced respectively, then sand core and casting mold are positioned, it is multiple
Casting is poured after conjunction.Existing resin-coated sand shell mould is ejected in molding using mandril from below, to jack up resin-coated sand shell mould.
But since the package power of shell mould is excessive, it occur frequently that the phenomenon that top is worn, causes the damage of resin-coated sand shell mould, molding
Effect is poor, and affects production efficiency.After the completion of this kind of large scale shell moulded casting of gear-box, pump case when molding, usually pass through
Artificial method molding often such that shell mould fragmentation during manual method molding, and influences casting effect.
A kind of technique of existing overlay film sand mold molding applies stripping bracket during molding, convenient and efficient.It uses simultaneously
Precoated sand mold stripping forming is completed in artificial molding, however, the package power due to shell mould is excessive, it occur frequently that the phenomenon that top is worn,
Cause the damage of resin-coated sand shell mould.
Utility model content
The purpose of this utility model is to provide a kind of overlay film sand mold die lifters, and shell mould is not sent out when can ensure molding
Raw fracture or fragmentation, ensure final product quality.
What the embodiments of the present invention were realized in：
The embodiments of the present invention provide a kind of overlay film sand mold die lifter, including：
Stripping bracket, the stripping bracket include pedestal and stripper plate, and the two sides of the pedestal have sliding slot, the demoulding
The medium position of plate has top plate slot, and the two sides along number of unmolulding directions of the stripper plate are slidably disposed in the sliding slot；
Draw on pins structure, the draw on pins structure include mandril, top plate, backform lead screw and driving motor, the top
Bar is arranged in the stripper plate and is located in the top plate slot, and the stripper plate can be slided along the mandril, the mandril
One end is connect with the pedestal, and other end is connect with the top plate, the profile contract of the shape of the top plate and the top plate slot
It closes, the backform screw rod is threadedly engaged with the stripper plate, and the driving motor is set to the pedestal and is used to drive described
The rotation of backform screw rod；
Type core, the type core are set to the stripper plate and pass through the top plate, and the stripper plate is able to drive the type
Core movement.
In addition, the overlay film sand mold die lifter that embodiment according to the present utility model provides, can also have following additional
Technical characteristic：
In the alternative embodiment of the utility model, the driving motor is servo motor.
In the alternative embodiment of the utility model, the backform screw rod week is set to the type core.
In the alternative embodiment of the utility model,
In the alternative embodiment of the utility model, the backform screw rod rectangular array distribution.
In the alternative embodiment of the utility model, the type core is located in the region of the enclosed picture of top plate slot and is located at
The center of the stripper plate.
In the alternative embodiment of the utility model, the pedestal includes limiting section, and the limiting section is set to the cunning
Slot and the height risen for limiting the stripper plate.
In the alternative embodiment of the utility model, the upper surface of the top plate is flushed with the upper surface of the stripper plate.
In the alternative embodiment of the utility model, the edge of the side close to the stripper plate of the top plate is outer cone
Face, the top plate slot have for the inner conical surface with the male cone (strobilus masculinus) cone match.
In the alternative embodiment of the utility model, the type core inner is provided with heating tube.
In the alternative embodiment of the utility model, the heating tube is uniformly distributed in the type core inner.
The utility model has the beneficial effects that：
Overlay film sand mold die lifter passes through the cooperation of stripping bracket and draw on pins structure, can realize sand mold in molding
Surrounding uniform force, the uniform molding speed of all directions molding speed is moderate, protects the integrality of sand mold, improves sand mold molding
Rate improves production efficiency, prevents faulted metamorphism or fragmentation.
Other than gear-box shell mould, other kinds of large scale shell mould can also be adjusted according to technique stripping bracket and
The operation of draw on pins structure, shell mould fragmentation when overcoming the problems, such as large scale shell moulded casting, guarantee casting dimensional accuracy and
Surface roughness and mould strength.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the overlay film sand mold die lifter that the embodiments of the present invention provide；
The driving motor arrangement schematic diagram overlooked under visual angle that Fig. 2 is Fig. 1；
Fig. 3 is the schematic diagram of type core and heating tube；
Fig. 4 is the operation schematic diagram of overlay film sand mold die lifter.
Icon：100- overlay film sand mold die lifter；10- stripping bracket；11- pedestal；112- limiting section；13- stripper plate；
30- draw on pins structure；31- mandril；33- top plate；35- backform screw rod；37- driving motor；50- type core；51- heating tube；
101- sand mold.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
Embodiment
Fig. 1 to Fig. 4 is please referred to, a kind of overlay film sand mold die lifter 100 is present embodiments provided, including：
Stripping bracket 10, stripping bracket 10 include pedestal 11 and stripper plate 13, and the two sides of pedestal 11 have sliding slot, stripper plate
13 medium position has top plate slot, and the two sides along number of unmolulding directions of stripper plate 13 are slidably disposed in sliding slot；
Draw on pins structure 30, draw on pins structure 30 include mandril 31, top plate 33, backform screw rod 35 and driving motor
37, mandril 31 be arranged in stripper plate 13 and be located at top plate slot in, stripper plate 13 can slide along mandril 31, one end of mandril 31 and
Pedestal 11 connects, and other end connect with top plate 33, and the shape of top plate 33 and the profile of top plate slot agree with, backform screw rod 35 with take off
Template 13 is threadedly engaged, and driving motor 37 is set to pedestal 11 and for driving backform screw rod 35 to rotate；
Type core 50, type core 50 are set to stripper plate 13 and pass through top plate 33, and stripper plate 13 is able to drive the movement of type core 50.
Specifically, driving motor 37 can be right as long as backform screw rod 35 can be driven to rotate using a plurality of types of
In the high motor of revolving speed, speed reducer must must be equipped with to control the revolving speed of output shaft, to ensure the even running of equipment.
In the present embodiment, driving motor 37 is servo motor.Why servo motor is used, is due to servo motor control
System is accurate, and rotating forward, reversion can have good performance, highly beneficial for the stroke control of backform screw rod 35, is conducive to demoulding
Shi Zuowei power source.
Specifically, backform screw rod 35 weeks are set to type core 50.It can make the force of the driving to stripper plate 13 so more evenly.
For the shell mould of cooperating teeth roller box, in the present embodiment, the distribution of 35 rectangular array of backform screw rod.In this way for shell
The force of type surrounding is more uniform, and molding speed is uniform, avoid force difference and speed difference cause faulted metamorphism or
Fragmentation.
Specifically, type core 50 is located at the center in the region of the enclosed picture of top plate slot and being located at stripper plate 13.Can so it make
The gravity for obtaining entire stripper plate 13 and type core 50, shell mould is more concentrated, and is also beneficial to for the uniformity of force.
Specifically, pedestal 11 includes limiting section 112, limiting section 112 is set to sliding slot and for limiting the rising of stripper plate 13
Height.Why limiting section 112 is set, is that stripper plate 13 rises excessively when rising and occurred with top plate 33 in order to prevent
Degree collision.
Specifically, the upper surface of top plate 33 is flushed with the upper surface of stripper plate 13.The upper surface of top plate 33 and stripper plate 13
Upper surface be designed to the positional relationship flushed, some scattered precoated sands can be cleared up to have, encounter have it is scattered
Precoated sand in the presence of, directly sweep out, staff will not be hindered to operate.
Further, the edge of the side of the close stripper plate 13 of top plate 33 be male cone (strobilus masculinus), top plate slot have for it is outer
The inner conical surface of conical surface-conical surface cooperation.Cone match can more to agree between stripper plate 13 and top plate 33, also can be avoided
When thering is precoated sand to trickle down once in a while, there are excessive friction, the durability of ensuring equipment between stripper plate 13 and top plate 33.
Specifically, type core 50 is internally provided with heating tube 51.For heating tube 51 for the heating in technical process, structure can
With referring to general heating tube 51, details are not described herein again.
More specifically, heating tube 51 is uniformly distributed inside type core 50.Can make in this way heating more evenly, avoid by
Hot unevenness causes to generate more defect ware.
The principle of the present embodiment is：
When by large scale shell moulded casting fragmentation the study found that the problem of main cause or unbalance stress, ensure
Do not occur when shell mould molding or fracture, fragmentation seldom occurs, the present embodiment devises a kind of overlay film sand mold die lifter 100.
In molding, control driving motor 37 starts, and driving motor 37 drives backform screw rod 35 to rotate, due to backform screw rod
35 transmission is accurate and steady, cooperates the accurate control of servo motor, can gently make stripper plate 13 to moving down as desired
It is dynamic.
Why stripper plate 13 can move, and be the backform screw rod 35 since the two sides of stripper plate 13 are all disposed in sliding slot
When rotation, stripper plate 13 cannot be rotated with backform screw rod 35, then just by being threadedly engaged with backform screw rod 35, in backform
Under the transmission of screw rod 35, stripper plate 13 can move along a straight line toward the direction, certainly, when backform screw rod 35 inverts, demoulding
The direction of motion of plate 13 is then changed to the linear motion of opposite direction.
Sliding slot not only can enable stripper plate 13 to be driven by servo motor, but also can ensure mobile direction and stabilization,
Be conducive to the implementation of molding.
With the work of servo motor, stripper plate 13 moves gradually downward, and mandril 31 and top plate 33 do not move, top plate
33 head on shell mould, and type core 50 is moved down with stripper plate 13, gradually separated with shell mould, finally realize molding.
Since servo motor is distributed by rectangular array, when driving stripper plate 13, exert a force highly uniform, speed
It is also moderate, to protect the integrality of sand mold 101, improves 101 ratio of briquetting of sand mold, and then improve production efficiency.
Control for servo motor, can carry out the setting of speed using pcb board, and operator can be according to molding
Rate request, preset a velocity amplitude, when starting molding, directly press switch may make driving motor 37
Backform screw rod 35 is driven by preset speed, and then completes molding.
Design in this way, so that operation of operator when using the overlay film sand mold die lifter 100 becomes non-
It is often simple, operator is carried out simply operator can be allowed to operate using introduction, it is very convenient.
Pcb board is a citing, and function and operation are referred to the prior art, and details are not described herein again.
It other than pcb board, or even can also be simple power switch to control the start and stop of driving motor 37, pass through behaviour
Start and stop are controlled as personnel, to control the power output of driving motor 37, operator abundant for use experience is same
Good molding operation can be completed, this is also good for further cost control.
Certainly, specifically how to select, be the enterprise practical situation according to the overlay film sand mold die lifter 100 using the application
It is fixed to come, and no longer further spreads out herein.
After completing molding, servo motor is driven in the reverse direction backform screw rod 35 so that stripper plate 13 return to again it is original
Position, due to there is the blocking of limiting section 112, the movement of stripper plate 13 is minimum for the impact of top plate 33, is conducive to the precoated sand
The long-time service of type die lifter 100.
In conclusion the overlay film sand mold die lifter 100 of the utility model passes through stripping bracket 10 and draw on pins structure
30 cooperation can realize that 101 surrounding uniform force of sand mold, the uniform molding speed of all directions molding speed are suitable in molding
In, the integrality of sand mold 101 is protected, 101 ratio of briquetting of sand mold is improved, production efficiency is improved, prevents faulted metamorphism or fragmentation
Other than gear-box shell mould, other kinds of large scale shell mould can also adjust stripping bracket 10 according to technique
With the operation of draw on pins structure 30.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of overlay film sand mold die lifter, which is characterized in that including：
Stripping bracket, the stripping bracket include pedestal and stripper plate, and the two sides of the pedestal have sliding slot, the stripper plate
Medium position has top plate slot, and the two sides along number of unmolulding directions of the stripper plate are slidably disposed in the sliding slot；
Draw on pins structure, the draw on pins structure include mandril, top plate, backform lead screw and driving motor, and the mandril is worn
Set on the stripper plate and it is located in the top plate slot, the stripper plate can be slided along the mandril, one end of the mandril
It is connect with the pedestal, other end is connect with the top plate, and the shape of the top plate and the profile of the top plate slot agree with, institute
It states backform screw rod to be threadedly engaged with the stripper plate, the driving motor is set to the pedestal and for driving the backform silk
Bar rotation；
Type core, the type core are set to the stripper plate and pass through the top plate, and the stripper plate is able to drive the type core fortune
It is dynamic.
2. overlay film sand mold die lifter according to claim 1, which is characterized in that the driving motor is servo motor.
3. overlay film sand mold die lifter according to claim 1, which is characterized in that the backform screw rod week is set to the type
Core.
4. overlay film sand mold die lifter according to claim 3, which is characterized in that the backform screw rod rectangular array point
Cloth.
5. overlay film sand mold die lifter according to claim 1, which is characterized in that the type core is located at the top plate slot institute
Enclose in the region of picture and be located at the center of the stripper plate.
6. overlay film sand mold die lifter according to claim 1, which is characterized in that the pedestal includes limiting section, described
The height that limiting section is set to the sliding slot and rises for limiting the stripper plate.
7. overlay film sand mold die lifter according to claim 1, which is characterized in that the upper surface of the top plate takes off with described
The upper surface of template flushes.
8. overlay film sand mold die lifter according to claim 1, which is characterized in that the close stripper plate of the top plate
Side edge be male cone (strobilus masculinus), the top plate slot have for the inner conical surface with the male cone (strobilus masculinus) cone match.
9. overlay film sand mold die lifter according to claim 1, which is characterized in that the type core inner is provided with heating
Pipe.
10. overlay film sand mold die lifter according to claim 9, which is characterized in that the heating tube is in the type in-core
Portion is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820419772.2U CN208099277U (en) | 2018-03-26 | 2018-03-26 | Overlay film sand mold die lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820419772.2U CN208099277U (en) | 2018-03-26 | 2018-03-26 | Overlay film sand mold die lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208099277U true CN208099277U (en) | 2018-11-16 |
Family
ID=64123103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820419772.2U Expired - Fee Related CN208099277U (en) | 2018-03-26 | 2018-03-26 | Overlay film sand mold die lifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208099277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115194087A (en) * | 2022-05-17 | 2022-10-18 | 浙江汉声精密机械有限公司 | Embedded psammitolite 3D prints structure |
-
2018
- 2018-03-26 CN CN201820419772.2U patent/CN208099277U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115194087A (en) * | 2022-05-17 | 2022-10-18 | 浙江汉声精密机械有限公司 | Embedded psammitolite 3D prints structure |
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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 |