CN108367341A - Casting mold machine, sandfilling compression unit and casting mold method - Google Patents
Casting mold machine, sandfilling compression unit and casting mold method Download PDFInfo
- Publication number
- CN108367341A CN108367341A CN201680073225.7A CN201680073225A CN108367341A CN 108367341 A CN108367341 A CN 108367341A CN 201680073225 A CN201680073225 A CN 201680073225A CN 108367341 A CN108367341 A CN 108367341A
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- China
- Prior art keywords
- sandfilling
- case
- casting mold
- pressing plate
- molding box
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/28—Compacting by different means acting simultaneously or successively, e.g. preliminary blowing and finally pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C11/00—Moulding machines characterised by the relative arrangement of the parts of same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
A kind of casting mold machine carrys out moulding mold using the molding box and template that are moved to, wherein including：Case is contained, there is the under shed portion that can be connect with the upper opening portion of molding box；Pressure heads mechanism, with respect to containing the pressing plate passed in and out in case and perforation pressing plate and can be relative to multiple presser feets that pressing plate lifts；Sandfilling hopper, have to by molding box, contain at least one sandfilling mouth of the space design filling molding sand that case, pressure heads mechanism and template formed；And sandfilling nozzle, it is set to the side for containing case, sandfilling mouth can be connected to space design.
Description
Technical field
This disclosure relates to which squeeze pack carrys out casting mold machine, the sandfilling compression unit of moulding mold in the molding sand in molding box
And casting mold method.
Background technology
In the past, molding sand was fills up in molding box by inflating, and squeezed the molding sand after the filling and carry out the mold of moulding mold and makes
Type machine is it is known that (for example, referring to patent document 1).
Patent document 1：Japanese Unexamined Patent Publication 2002-1491 bulletins
However, sandfilling nozzle is formed in pressing plate (cover) (figure referring to patent document 1 by the device of patent document 1
5).The problem that configuration accordingly, there exist from presser feet to pressing plate is limited.In the case where presser feet is limited to the configuration of pressing plate, have as follows
Worry：The effect of presser feet can not be fully played according to the shape of template.In the art, it is expected that moulding goes out excellent casting
Casting mold machine, sandfilling compression unit and the casting mold method of mould.
Invention content
The casting mold machine of one aspect of the present invention carrys out moulding mold using the molding box and template being moved to, and has：
Case is contained, there is the under shed portion that can be connect with the upper opening portion of molding box；Pressure heads mechanism, with respect to containing
The pressing plate and perforation pressing plate that are passed in and out in case and the multiple presser feets that can be lifted relative to pressing plate；Sandfilling hopper, have to by
Molding box, at least one sandfilling mouth for containing the space design filling molding sand that case, pressure heads mechanism and template are formed；And sandfilling spray
Mouth is set to the side for containing case, can be connected to sandfilling mouth with space design.
The casting mold machine of another aspect of the present invention carrys out moulding mold using the molding box and template being moved to, and has：
Case is contained, there is the under shed portion that can be connect with the upper opening portion of molding box；Case is filled, is configured in the top for containing case,
And with the under shed portion that can be connect with the upper opening portion for containing case；Pressure heads mechanism, with respect in filling case
The pressing plate and perforation pressing plate of disengaging and the multiple presser feets that can be lifted relative to pressing plate；Sandfilling hopper has to by type
Case, at least one sandfilling mouth for containing the space design filling molding sand that case, filling case, pressure heads mechanism and template are formed；And
Sandfilling nozzle is set to the side of filling case, can be connected to sandfilling mouth with space design.
According to an aspect of the present invention or the casting mold machine of another aspect, case is being contained or filling case is formed with and makes
The sandfilling nozzle of type space connection fills molding sand from the side of space design.Therefore, which can be not necessarily to consider
The configuration of sandfilling nozzle, and use the layout of the presser feet determined with the whole viewpoint uniformly compressed.Therefore, the mold
Moulding machine can moulding go out excellent mold.
In one embodiment, can also sandfilling nozzle have by with from entrance towards outlet and in a manner of being lower
Inclined internal flow path.In this case, due to supplying molding sand from oblique upper, molding sand can be avoided to collide recessed with template
The convex presser feet accordingly declined, result are that can improve the Packing character of molding sand.
In one embodiment, can also sandfilling nozzle have top surface angle of inclination be more than bottom surface angle of inclination
Internal flow path.In this case, it is not easy to apply from lateral extruding force, therefore sandfilling the molding sand in sandfilling nozzle
Molding sand in nozzle is not easy to be further compressed.Therefore, it is possible to inhibit the phenomenon that sand plug plug generates.
In one embodiment, can also at least one sandfilling mouth have inclined bottom surface.In this case, it is easy
Molding sand is supplied to sandfilling nozzle.
In one embodiment, can also at least one sandfilling mouth have its surface by ultra-high molecular weight polyethylene shape
At bottom surface.In this case, molding sand can be inhibited to adhere to and is piled up in bottom surface.
In one embodiment, can also the upper position portion of sandfilling hopper be made of two sliding slots.In the situation
Under, sandfilling can be carried out from both direction, therefore compared with the case where carrying out sandfilling from a direction, can equably fill
Fill out molding sand.
In one embodiment, can also the upper position portion of sandfilling hopper be made of two sliding slots, and contain case
Configuration is between sliding slot.In this case, device can be configured to small-sized.
In one embodiment, case can also be contained and is fixed on sliding slot.In this case, case can will be contained to fill with sand
The driving mechanism of powder funnel is common.
In one embodiment, can also the upper position portion of sandfilling hopper be made of two sliding slots, and fill case
Configuration is between sliding slot.In this case, device can be configured to small-sized.
In one embodiment, case can also be filled and is fixed on sliding slot.In this case, filling case can be filled with sand
The driving mechanism of powder funnel is common.
In one embodiment, can also pressure heads mechanism configuration between sliding slot.It in this case, can be by device structure
As small-sized.
It in one embodiment, can also the standby periphery for surrounding template of casting mold equipment and the frame-shaped frame that slides up and down
A part for frame, space design is formed by frame-shaped frame.In this case, can be from the additional extruding in template side, therefore cast
The intensity of mould peripheral part improves, and can obtain uniform mold strength.
In one embodiment, can also pressure heads mechanism cylinders be set by two sandboxes support, be configured to the pressure heads mechanism
Decline and carries out sandbox setting process and extrusion process.In addition, in one embodiment, can also sandfilling hopper be linked to
Multiple lift cylinders, multiple lift cylinders are installed on lifting scaffold, which is erected at above-mentioned sandbox setting cylinder
Piston rod upper end between.
Sandfilling compression unit involved by another aspect of the present invention be used to come using the molding box and template being moved to
The casting mold machine of moulding mold, and molding sand is filled to space design, and have：Case is contained, having can be upper with molding box
The under shed portion of opening portion connection；Pressure heads mechanism, with respect to contain the pressing plate passed in and out in case and perforation pressing plate and
The multiple presser feets that can be lifted relative to pressing plate；Sandfilling hopper, have to by molding box, contain case, pressure heads mechanism and template
At least one sandfilling mouth of the space design filling molding sand of formation；And sandfilling nozzle, it is set to the side for containing case, energy
It is enough to be connected to sandfilling mouth with space design.
Sandfilling compression unit involved by another aspect of the present invention be used to come using the molding box and template being moved to
The casting mold machine of moulding mold, and molding sand is filled to space design, and have：Case is contained, having can be upper with molding box
The under shed portion of opening portion connection；Case is filled, is configured in the top for containing case, and with can be with the upper opening portion that contains case
The under shed portion of connection；Pressure heads mechanism, with respect to the pressing plate that passes in and out and perforation pressing plate in filling case and being capable of phase
For multiple presser feets of pressing plate lifting；Sandfilling hopper, have to by molding box, contain case, filling case, pressure heads mechanism and template
At least one sandfilling mouth of the space design filling molding sand of formation；And sandfilling nozzle, it is set to the side of filling case,
Sandfilling mouth can be connected to space design.
Casting mold method involved by another invention of the present invention, which uses, to be moved to the molding box of casting mold machine and mould
Plate carrys out moulding mold, and has：Use molding box, the process for containing case, pressure heads mechanism and template and forming space design, the Sheng
There is case of receiving the under shed portion that can be connect with the upper opening portion of molding box, the pressure heads mechanism to be contained in case with respect to this
The pressing plate and perforation pressing plate of disengaging and the multiple presser feets that can be lifted relative to pressing plate；With use sandfilling nozzle to moulding sky
Between fill the process of molding sand, which is set to the side for containing case, can will be set to the sandfilling for stockpiling molding sand
At least one sandfilling mouth of hopper is connected to space design.
Casting mold method involved by another aspect of the present invention, which uses, to be moved to the molding box of casting mold machine and mould
Plate carrys out moulding mold, and has：Use molding box, the work for containing case, filling case, pressure heads mechanism and template and forming space design
Sequence, this contains case, and there is the under shed portion that can be connect with the upper opening portion of molding box, the filling case to configure in the top for containing case,
And with the under shed portion that can connect with the upper opening portion for containing case, the pressure heads mechanism with respect to fill in case into
The pressing plate that goes out and perforation pressing plate and can be relative to multiple presser feets that pressing plate lifts；With use sandfilling nozzle to space design
The process for filling molding sand, the sandfilling nozzle are set to the side of filling case, can will be set to the sandfilling material for stockpiling molding sand
At least one sandfilling mouth of bucket is connected to space design.
According to above-mentioned sandfilling compression unit and casting mold method, can play identical as above-mentioned casting mold machine
Effect.
In various aspects of the invention, it is capable of providing moulding and goes out the casting mold machine of excellent mold, sandfilling compression
Unit and casting mold method.
Description of the drawings
Fig. 1 is the longitudinal section view of the state (initial position) before the beginning for the casting mold machine for indicating embodiment.
Fig. 2 is the longitudinal section view of the casting mold machine for the state for indicating to be formed with space design.
Fig. 3 is the flow chart of casting mold method.
Fig. 4 is the longitudinal section view of the casting mold machine for the inflation filling state for indicating molding sand.
Fig. 5 is the longitudinal section view of the casting mold machine for a squeezed state for indicating molding sand.
Fig. 6 is the longitudinal section view of the casting mold machine for the secondary extrusion state for indicating molding sand.
Fig. 7 is the longitudinal section view of the casting mold machine of the supply state of the demoulding for indicating moulding mold and molding sand.
Fig. 8 is the longitudinal section view for indicating to have exchanged the casting mold machine of the state of template (model carrier).
Fig. 9 is the sandfilling nozzle in the left side of enlarged drawing 2 and the longitudinal section view of sandfilling mouth.
Figure 10 is the partial enlargement longitudinal section view for another embodiment for indicating frame-shaped frame.
Figure 11 is the partial enlargement longitudinal section view for another embodiment for indicating to be formed with space design.
Specific implementation mode
Hereinafter, the casting mold machine based on description of the drawings present embodiment.Fig. 1 is the casting mold machine for indicating embodiment
The longitudinal section view of state (initial position) before 100 beginning.Fig. 2 is the casting mold for the state for indicating to be formed with space design
The longitudinal section view of machine 100.Casting mold machine 100 is the moulding machine for carrying out moulding mold using the molding box and template that are moved to.
As shown in Figure 1 and Figure 2, casting mold machine 100 for example has base frames 1.It is fixed with fixed stop portion in base frames 1
2.The left and right sides (referring to Fig.1) on the moulding pedestal 3 being made of base frames 1 and fixed stop portion 2, is equipped with sandbox upwards
Cylinder 4,4 is set.In the upper position of sandbox setting cylinder 4, one of 4 (being in Fig. 1 left side), model more changing device 5
Center portion is supported to rotate in horizontal plane.The sand in left side in main shaft (rotary shaft) dual-purpose Fig. 1 of model more changing device 5
Cylinder 4 is arranged in case.
Model more changing device 5 is the device for moving in template 8.Model more changing device 5 has main shaft, turntable 7 and model and carries
Multiple bearing units (not shown) of device 6,6A.Turntable 7 is that can be rotated in horizontal plane by main shaft supporting, and model is made to carry
Device 6,6A are alternately relative to 3 overcentre carrying-in/carrying-out of moulding pedestal.Turntable 7 is rotated using actuator (not shown).It causes
Dynamic device is, for example, hydraulic cylinder etc..Multiple bearing units are installed on the mounting portion of the model carrier 6 of turntable 7,6A.
Model carrier 6 has frame-shaped frame 9, multiple guide pins 10, main body frame 11 and force application mechanism (not shown).Frame
Shape frame 9 surrounds the periphery of template 8 and slides up and down.Multiple guide pins 10 are linked to the lower part of frame-shaped frame 9.Main body frame 11 supplies
Guide pin 10 can slide up and down to insertion, and load template 8 in upper surface.The both ends hanger of force application mechanism is in frame-shaped frame 9 and master
Body frame 11 makes active force act on the direction for making frame-shaped frame 9 decline.Force application mechanism is, for example, multiple draft helical springs.
It is identical structure that model carrier 6A, which is with model carrier 6,.
Central portion on moulding pedestal 3 is equipped with hydraulic cylinder (Japanese：Oil pressure シ リ Application ダ, oil シ リ Application ダ) 14.Liquid
Cylinder pressure 14 has the engaging head 13 for the upper end for being linked to piston rod.Engage head 13 and is formed in model carrier 6, the lower ends 6A center
The engaging slot 12 in portion engages.Moreover, on moulding pedestal 3, in the lower section of multiple guide pins 10, it is equipped with multiple lift cylinders 15.It rises
Drop cylinder 15 lifts frame-shaped frame 9 via guide pin 10.In the upper end of the piston rod of lift cylinders 15, it is linked with head 16.
The upper surface of frame-shaped frame 9 is slightly prominent upward from the die joint of template 8 when for the elongation end of lift cylinders 15
(for example, 30mm) (with reference to Fig. 2).The upper surface of frame-shaped frame 9 becomes point with template 8 when for the serrated end of lift cylinders 15
The substantially same face (referring to Fig.1) in type face.
It is arranged in sandbox between the upper end of the piston rod 4A of cylinder 4,4, is provided with lifting scaffold 17.In lifting supporting frame
Frame 17 is equipped with multiple sandfilling hopper lift cylinders 18.The front end of the piston rod of sandfilling hopper lift cylinders 18 is linked to sandfilling
Hopper 19.
Sandfilling hopper 19 stockpiles molding sand in inside.Sandfilling hopper 19 is provided in upper end and is opened and closed using sliding gate 20
Sand input port 21.Sandfilling hopper 19 is communicated with air supply pipe 23 in its upper position portion, via open and close valve 22 to air supply pipe 23
Import low-pressure air (for example, 0.05~0.18MPa).The upper position portion of sandfilling hopper 19 is made of two sliding slots 24.
The inner surface of sliding slot 24 is equipped and is sprayed via multiple air that open and close valve (not shown) is connected to compressed air source (not shown)
Chamber 25,25.
It is configured to be inflated, i.e.,：It is sprayed from multiple air and sprays low-pressure air in 25,25 pairs of sandfilling hoppers 19 of chamber
(for example, 0.05~0.18MPa) and so that molding sand S is carried out flowing of swimming.In addition, sandfilling hopper 19 sliding slot 24 most on the lower
Position portion is provided with sandfilling mouth 26.
On the inside of the upper position portion of sliding slot 24, fixed be equipped with contains 27 (Japanese of case：Contain frame).Contain case 27 have can
The under shed portion 27c being connect with the upper opening portion 33a of molding box 33.Sand is formed in the upper position portion (side) for containing case 27 to fill
Fill out nozzle 28.28 one end of sandfilling nozzle is connected to sandfilling mouth 26, and the other end is connected to aftermentioned space design.It is containing
It receives the inside of case 27, is equipped with pressure heads mechanism 29.Pressure heads mechanism 29 have can relative to contain the pressing plate 30 passed in and out in case 27 and
Multiple presser feets 31.Multiple presser feets 31 are segmented, and penetrate through pressing plate 30 and install, and lifting can be carried out relative to pressing plate 30 and stops control
System.The lower end of lifting scaffold 17 is fixed in the upper end of pressing plate 30.The above-mentioned case 27 that contains surrounds in a manner of moving up and down
The periphery of pressure heads mechanism 29.Pressure heads mechanism 29 is surrounded by sandfilling hopper 19.Pressure heads mechanism 29 is by sandfilling hopper 19 from least
Both direction is surrounded.
In lifting scaffold 17, hangs and be equipped with via the carrying-in/carrying-out frame 32 for the lower position for extending to pressure heads mechanism 29
The carrying-in/carrying-out conveyer belt 34 of molding box 33.Using carrying-in/carrying-out conveyer belt 34, by 33 carrying-in/carrying-out of molding box.
As described above, pressure heads mechanism 29 is arranged cylinders 4,4 by two sandboxes and supports, be configured to pressure heads mechanism 29 decline and into
Row sandbox setting process and extrusion process.
In addition, containing case 27, pressure heads mechanism 29, sandfilling hopper 19 and sandfilling nozzle 28 using above-mentioned, constitute
Sandfilling compression unit 200.Sandfilling compression unit 200, and can be as unit of unit by above-mentioned inscape blocking
It is replaced.
The action (casting mold method) of casting mold machine 100 to constituting in this way illustrates.Fig. 3 is casting mold side
The flow chart of method.Flow chart shown in Fig. 3 is since the state of Fig. 1.The state of Fig. 1 is to be in put into molding sand S to sandfilling
In hopper 19, and empty molding box 33 is moved in the state of carrying-in/carrying-out conveyer belt 34.In addition, model carrier 6,6A are to utilize
The state that compressed spring (not shown) in bearing unit (not shown) is lifted 5mm or so from moulding pedestal 3 is set to model more
On changing device 5.Fig. 1 shows the states that model carrier 6 is moved in the overcentre to moulding pedestal 3.The fixation of moulding pedestal 3
There is the gap of 5mm or so between 6 lower surface of 2 upper surface of retainer and model carrier.
In the condition shown in figure 1, carry out being formed the process i.e. sandbox setting process (S10) of space design.First, make liquid
Cylinder pressure 14 carries out contractive action and engaging head 13 is made to decline, to make engaging head 13 and be formed in the lower end of model carrier 6
The engaging slot 12 in centre portion engages.In turn, model carrier 6 overcomes above-mentioned compressed spring (not shown) and is pulled down into, and model is carried
The lower surface of device 6 is crimped on the upper surface in the fixed stop portion 2 of moulding pedestal 3.Later, make lift cylinders 15 carry out elongation action and
Frame-shaped frame 9 is set to increase via guide pin 10.Make the upper surface of frame-shaped frame 9 slightly prominent upward from the die joint of template 8 as a result,
Go out.
In addition, in the moulding machine for carrying out sandbox setting from the bottom to top, workbench is utilized when sandbox setting process starts
It is lifted model carrier 6.In being lifted process, when being provided with deceleration process in order to avoid colliding, when having cycle
Between elongated worry.On the other hand, in the casting mold machine 100 of present embodiment, at the beginning of sandbox setting process, energy
Model carrier 6 is enough crimped on fixed stop portion 2 using hydraulic cylinder 14, while being acted from top superposition sandbox setting.Therefore,
Compared with the existing moulding machine for carrying out sandbox setting from the bottom to top, when process starts without deceleration process, therefore it can save
Time needed for deceleration process and the circulation time of shortening.
Moreover, making sliding gate 20 be acted after closing sand input port 21, sandbox setting cylinder 4,4 shrink dynamic
Make.Molding box 33 is placed in the upper surface of the periphery of template 8 frame-shaped frame 9 outstanding upward as a result,.Also, sandfilling
Hopper lift cylinders 18 carry out elongation action.As a result, sandfilling hopper 19 and contain case 27 decline, case 27 will be contained and press on molding box
33 upper surface and be close to.In turn, presser feet 31 is respectively acted.Concave-convex with the template 8 of lower section relatively forms bumps, at
For state shown in Fig. 2.In addition, at this point, using being placed in the template 8 of model carrier 6, frame-shaped frame 9, molding box 33, containing
Case 27 and pressure heads mechanism 29 form space design, and the other end of sandfilling nozzle 28 is connected to space design.
Then, it carries out inflating filling procedure (S12) by the process that inflation fills molding sand.Fig. 4 is to indicate filling for molding sand
Gas fills the longitudinal section view of the casting mold machine 100 of state.First, make low-pressure air spray chamber 25,25 from multiple air to spray
To sandfilling hopper 19.The molding sand S in sandfilling hopper 19 carries out flowing of swimming as a result,.In this state, via open and close valve
22 supply low-pressure air to sandfilling hopper 19 from air supply pipe 23.Using low-pressure air, via sandfilling mouth 26 and sandfilling
Molding sand S is fills up to space design (inflation fills) by nozzle 28.When inflating filling, low-pressure air is (not shown) from template 8
Ventilation hole etc. is discharged.
Then, extrusion process (S14) is carried out.In extrusion process, sandbox is arranged cylinder 4,4 and further carries out contractive action.
Sandfilling hopper lift cylinders 18 are shunk as a result,.Sandbox setting cylinder 4,4 makes lifting scaffold 17 and lifting scaffold 17 be propped up
The component (pressure heads mechanism 29, carrying-in/carrying-out frame 32, carrying-in/carrying-out conveyer belt 34 etc.) held declines.Like this, the one of molding sand S is carried out
Secondary extruding until 31 lower surface of presser feet integrally becomes flat, and becomes state shown in fig. 5.Fig. 5 is indicate molding sand one
The longitudinal section view of the casting mold machine 100 of secondary squeezed state.At this point, the contractive action of sandbox setting cylinder 4 continues to utilizing pressure
The squeeze pressure that sensor (not shown) detects is until reaching the setting pressure once squeezed or cylinder 4 is arranged in sandbox
Encoder position (not shown) is until reaching the setting position once squeezed.
Then, it is switched to the state of the action fluid release of lift cylinders 15.Moreover, with than once squeezing higher pressure
Sandbox setting cylinder 4,4 is set to carry out contractive action.As a result, molding box 33, contain case 27, sandfilling hopper 19 and pressure heads mechanism 29 1
Decline to body, secondary extrusion is integrally carried out to molding sand S.Fig. 6 is the casting mold machine 100 for the secondary extrusion state for indicating molding sand
Longitudinal section view.Frame-shaped frame 9 is declined by the contraction of lift cylinders 15, and 9 upper surface of frame-shaped frame and the die joint of template 8 become
Roughly the same height.In this way, the intensity of mold peripheral part improves, uniform mold strength can be obtained.In addition, in frame-shaped frame
Frame 9 to reach decline end at the time of and in the case that squeeze pressure do not reach the setting pressure of secondary extrusion, make sandfilling on one side
Hopper lift cylinders 18 carry out contractive action, so that sandbox setting cylinder 4,4 is further carried out contractive action on one side, thus further carry out
It squeezes.
Then, if squeeze pressure is to the setting pressure for reaching secondary extrusion, extrusion stability timer operation keeps regulation
Time squeezes.At this point, in order to cope with frame-shaped frame 9 not to the case where declining end is reached, sandfilling hopper lift cylinders 18 is made to carry out
Elongation acts and makes to contain the decline of case 27, and pressing molding box 33 is until frame-shaped frame 9 is until reaching and declining end.Thereby, it is possible to will
The lower surface of molding box 33 is all formed as the same face every time with mold lower surface.
Then, stripping process (S16) is carried out.In stripping process, make on one side lift cylinders 15 carry out elongation action and via
Guide pin 10 and frame-shaped frame 9, which press on molding box 33, contains case 27, and sandbox setting cylinder 4,4 is made to carry out counteragent and carry out on one side
Demoulding.At this point, molding box 33, containing case 27, sandfilling hopper 19 and pressure heads mechanism 29 and integrally rising.Later, moulding mold
Molding box 33 afterwards is removed and supports via guide pin 10 and frame-shaped frame 9 using lift cylinders 15.Moreover, containing case 27, sand fills
Powder funnel 19 and pressure heads mechanism 29 respectively rise.In the midway of rising, the molding box 33 after moulding mold is defeated by carrying-in/carrying-out
It send band 34 to scoop, and is kept completely separate from template 8.At this point, containing case 27 and sandfilling hopper 19 because of sandfilling hopper lift cylinders 18
It carries out contractive action and rises.Moreover, after making sliding gate 20 carry out counteragent and opening sand input port 21, molding sand S is mended
State to interior to sandfilling hopper 19 as Fig. 7.Fig. 7 is the casting of the supply state of the demoulding for indicating moulding mold and molding sand
The longitudinal section view of modeling machine 100.At this point, the mold after moulding slightly rises from halted state with molding box 33 and is demoulded together.
It is demoulded moreover, the piston rod 4A that cylinder 4 is arranged with sandbox shrinks maximum state.Thereby, it is possible to realize high demoulding precision.
Then, carrying-in/carrying-out process (S18) is carried out.In carrying-in/carrying-out process, make lift cylinders 15 carry out contractive action and
Guide pin 10 and frame-shaped frame 9 is set to decline.At this point, using multiple draft helical springs (not shown), decline towards frame-shaped frame 9
Direction acts on active force, therefore frame-shaped frame 9 can be made reliably to drop to and decline end.Then, hydraulic cylinder 14 is made to be extended
Act and make engaging head 13 rise, thus the compressed spring (not shown) in bearing unit (not shown) by model carrier 6 from
Moulding pedestal 3 is lifted 5mm or so, releases the crimping in the fixed stop portion 2 relative to moulding pedestal 3.
Then, the molding box 33 after moulding mold is moved out by carrying-in/carrying-out conveyer belt 34, and moves in empty molding box 33.Into
And so that model more changing device 5 is acted using actuator (not shown), exchange template 8 and template 8A.Fig. 8 is to indicate to exchange
The longitudinal section view of the casting mold machine 100 of state after template (model carrier).More than, casting mold method it is a series of
Process terminate.In casting mold method, above-mentioned action is repeated as a cycle.In addition, being replaced as model
The movement of device 5 can also utilize band driving idler wheel elevator in being located in the working region in 3 outside of moulding pedestal for turntable 7
After lifting model carrier 6 (not shown), 6A, to the left and right or front-rear direction move out move in model carrier 6,6A and replace template
8、8A.Thereby, it is possible to be changed the mold in modeling process, changed the mold in capable of being recycled.
Above-mentioned casting mold machine 100 is formed with the sandfilling nozzle 28 being connected to space design containing case 27, from making
The side in type space fills molding sand.Therefore, which can be not necessarily to consider the configuration of sandfilling nozzle 28, and adopt
To the layout for the presser feet 31 that the whole viewpoint uniformly compressed determines.For example, can also configure pressure on 33 periphery of molding box
Foot 31 can be obtained throughout the entire more uniform mold strength of pressing plate.Therefore, the casting mold machine 100 can moulding go out
Excellent mold.
Then, the details of sandfilling nozzle 28 and sandfilling mouth 26 is illustrated.Fig. 9 is will to indicate to form to make
The figure that the sandfilling nozzle 28 and sandfilling mouth 26 in the left side of Fig. 2 of the state in type space are amplified.In addition, due to left and right pair
Claim, and the description is omitted right side sandfilling nozzle 28 and sandfilling mouth 26.
Sandfilling nozzle 28, which is formed in, contains case 27.Sandfilling nozzle 28 is with from being formed in the lateral surface for containing case 27
The entrance of 27a is tilted towards the mode for being formed in the outlet of medial surface 27b and being lower.It, can be from oblique upper pair according to this structure
Template 8 fills molding sand S.Therefore, it has the following advantages：The molding sand S of filling be not easy collision and template 8 it is concave-convex be relatively formed with it is recessed
Convex presser feet 31, thus the Packing character of molding sand S improves.In addition, replaceable case can be contained containing 27 inner surface of case and installing
Liner.Other than the steel of stainless steel etc., material can integrally use the higher materials of wear resistances such as polyurethane.In this way,
Can realize prevents from containing the abrasion of case.
In addition, in sandfilling nozzle 28, the angle of inclination (being in the present embodiment 30 degree) of top surface 28a is more than bottom surface
The angle of inclination (being in the present embodiment 15 degree) of 28b.According to this structure, have the following advantages：It is not easy to sandfilling nozzle 28
Interior molding sand S applies from lateral extruding force, therefore the molding sand S in sandfilling nozzle 28 is not easy to be further compressed.Also,
Also it has the following advantages：Molding sand S in sandfilling nozzle 28 is not easy further to fall.
In addition, sandfilling mouth 26 has inclined bottom surface 26a.According to this structure, have the following advantages：It is easy to fill by sand
The molding sand S for filling out mouth 26 is directed into sandfilling nozzle 28.In addition, the angle of inclination of bottom surface 26a is more than sandfilling nozzle 28
The angle of inclination of bottom surface 28b is set as 30 degree in the present embodiment.
In addition, the material on the surface of the bottom surface 26a of sandfilling mouth 26 is set as ultra-high molecular weight polyethylene (for example, making new
Industries, Inc's system " Saxin Newlight ").According to this structure, have the following advantages：Molding sand S can be inhibited to the bottom
The attachment of face 26a prevents molding sand S from accumulating.In addition, in embodiments, be configured to so that the surface of bottom surface 26a material at
For the mode of ultra-high molecular weight polyethylene, block part 35 made of processed superhigh molecular weight polyethylene material is disposed in sliding slot
24 position portion most on the lower.In addition, in embodiments, sandfilling nozzle 28, which is installed on, contains case side, and can replace.Material
Matter also has whole the case where using the resins such as wear resistance higher high molecular polythene other than integrally using steel.Separately
Outside, also there is the situation for the part that anti-abrasive material thermal jet is applied to steel.Thereby, it is possible to maintain management formative nature and prevent from spraying
The abrasion of mouth.
In casting mold machine 100 involved by embodiment, it is fixed in the inside of two sliding slots 24 and contains case 27.Root
According to this structure, contains case 27 and lifted together with sandfilling hopper 19 using sandfilling hopper lift cylinders 18, therefore need not make
Contain the actuator that case 27 itself directly lifts.Therefore, it has the following advantages：The quantity of actuator can be reduced.
In casting mold machine 100 involved by embodiment, model carrier 6 have surround template 8 periphery and on
The frame-shaped frame 9 of lower slider, but it is not limited to this.For example, it is also possible to omit frame-shaped frame 9.Wherein, such as the above embodiment institute
Show, if model carrier 6 has frame-shaped frame 9, using be placed in the template 8 of model carrier 6, frame-shaped frame 9, molding box 33,
It contains case 27 and pressure heads mechanism 29 forms space design, then can carry out above-mentioned secondary extrusion (extruding from model surface side).
In addition, frame-shaped frame 9 is not limited to shown in above-mentioned embodiment like that.Then, to the another of frame-shaped frame
Embodiment illustrates.Figure 10 is the partial enlarged view for another embodiment for indicating frame-shaped frame, and only shows left and right pair
The unilateral side of title.And indicate that the upper surface of frame-shaped frame highlights the state of 30mm from the die joint of template 8 upward.
As shown in Figure 10, frame-shaped frame 36 has in its inside portion removably pads 37.Liner 37 surrounds the outer of template 8
Week and slide up and down.Liner 37 is configured to polyurethane rubber 39 being fixed on metal portion material 38.In addition, as shown in Figure 10, liner
37 upper surface and the material of medial surface are set as polyurethane rubber 39.According to this structure, molding sand S is being fills up to space design
When, the lower surface of molding box 33 abuts with the polyurethane rubber 39 of the upper surface of liner 37, therefore has the following advantages：Improve molding box
The leakproofness of 33 lower surface and 36 upper surface of frame-shaped frame, prevents molding sand S from being leaked because of injection.In addition, also having the advantage that：
The face slided relative to the periphery of template 8 in liner 37 is improved using the polyurethane rubber 39 of the medial surface of liner 37
Wear resistance.In addition, in the case where can not the liner 37 with upper surface and medial surface be installed on model carrier 6,
Can the liner of section I types only be installed in the periphery of template 8.The abrasion of the periphery of template 8 can be also prevented as a result,.
The heat resisting temperature of polyurethane rubber 39 may be, for example, 70 DEG C~90 DEG C.In the present embodiment, polyurethane rubber 39
Heat resisting temperature be 80 DEG C.But if assume the temperature of molding box 33 than it is usual it is at higher temperature in the case of, polyurethane rubber 39 it is resistance to
Hot temperature is alternatively 110 DEG C~130 DEG C.As an example, the heat resisting temperature of polyurethane rubber 39 is 120 DEG C.
In casting mold machine 100 involved by embodiment, it is configured to processed superhigh molecular weight polyethylene material
Made of block part 35 be disposed in the position portion most on the lower of sliding slot 24, but be not limited to this.For example, it is also possible to instead of block part
35 and be arranged air spray chamber 25, make above-mentioned low-pressure air from the bottom surface 26a of sandfilling mouth 26 spray.
In addition, in casting mold machine 100 involved by embodiment, due to being to carry out sandfilling using low-pressure air,
Therefore uniform sandfilling can be carried out.Using low-pressure air sandfilling Billy's spray regime sandfilling (for example, 0.2
~0.5MPa) more low pressure (for example, 0.05~0.18MPa), and with low speed back-up sand, therefore the abrasion with model is less
Feature.
It, especially can be in concave part since the filling velocity of sand is very fast for the sandfilling using spray regime
Choking phenomenon (Locking phenomenon) is generated, the Packing character of sand reduces.In contrast, involved by present embodiment
In casting mold machine 100, also may be set to using Electropneumatic proportional valve the initial stage of low-pressure air make the filling velocity of sand compared with
Slowly so that Packing character is improved, improve pressure from midway and shorten loading time.If pressure remains relatively low, filling velocity is slack-off,
There is following worry：It is taken in the loading time of sand and extends circulation time.If it is expected that high-speed molding and reduction abrasion, can also incite somebody to action
It is relatively slow and be set as high speed from midway by filling that the filling velocity of low-pressure air is set as initial stage.
In casting mold machine 100 involved by above embodiment, sandfilling nozzle 28 is provided with containing case 27.
, can also be as shown in figure 11 however, in other implementations, with contain case 27 and be provided separately and can mutually independently
The filling case BF setting sandfillings nozzle 28 acted.In such manner, it is possible to make sandfilling nozzle 28 be simple construction, to hold
Easily replaced.In addition, if this is the case can contain case 27 be arranged low-pressure air exhaust outlet (not shown), and from this arrange
Low-pressure air is put, therefore has the effect for keeping filling more excellent etc..In addition, sandfilling mouth may be one.
Reference sign
6,6A ... models carrier；8,8A ... templates；9,36 ... frame-shaped frames；19 ... sandfilling hoppers；24 ... sliding slots；
26 ... sandfilling mouths；The bottom surfaces 26a ...；27 ... contain case；27a ... lateral surfaces；27b ... medial surfaces；28 ... sandfilling nozzles；
The top surfaces 28a ...；The bottom surfaces 28b ...；29 ... pressure heads mechanisms；33 ... molding boxes；37 ... liners；39 ... polyurethane rubbers；100 ... molds are made
Type machine；BF ... fills case.
Claims (19)
1. a kind of casting mold machine carrys out moulding mold using the molding box and template that are moved to, wherein including：
Case is contained, there is the under shed portion that can be connect with the upper opening portion of the molding box；
Pressure heads mechanism contains the pressing plate passed in and out in case and the perforation pressing plate and can be opposite with respect to described
In multiple presser feets of pressing plate lifting；
Sandfilling hopper has to by the molding box, the moulding for containing case, the pressure heads mechanism and the template and being formed
At least one sandfilling mouth of space filling molding sand；And
Sandfilling nozzle is set to the side for containing case, can be connected to the sandfilling mouth with the space design.
2. a kind of casting mold machine carrys out moulding mold, wherein have using the molding box and template that are moved to：
Case is contained, there is the under shed portion that can be connect with the upper opening portion of the molding box；
Case is filled, is configured in the top for containing case, and has and can be connect down with the upper opening portion for containing case
Opening portion；
Pressure heads mechanism, with respect to the pressing plate that passes in and out and the perforation pressing plate in the filling case and can be opposite
In multiple presser feets of pressing plate lifting；
Sandfilling hopper, have to by the molding box, described contain case, the filling case, the pressure heads mechanism and the mould
At least one sandfilling mouth for the space design filling molding sand that plate is formed；And
Sandfilling nozzle is set to the side of the filling case, can be connected to the sandfilling mouth with the space design.
3. casting mold machine according to claim 1 or 2, wherein
The sandfilling nozzle tilts in a manner of with being lower from entrance towards outlet.
4. casting mold machine according to claim 3, wherein
The angle of inclination of the top surface of the sandfilling nozzle is more than the angle of inclination of the bottom surface of the sandfilling nozzle.
5. casting mold machine according to claim 1 or 2, wherein
At least one sandfilling mouth has inclined bottom surface.
6. casting mold machine according to claim 5, wherein
At least one sandfilling mouth has the bottom surface that its surface is formed by ultra-high molecular weight polyethylene.
7. casting mold machine according to claim 1 or 2, wherein
The upper position portion of the sandfilling hopper is made of two sliding slots.
8. casting mold machine according to claim 1, wherein
The upper position portion of the sandfilling hopper is made of two sliding slots,
It is described to contain case configuration between the sliding slot.
9. casting mold machine according to claim 8, wherein
The case that contains is fixed on the sliding slot.
10. casting mold machine according to claim 2, wherein
The upper position portion of the sandfilling hopper is made of two sliding slots,
The filling case configuration is between the sliding slot.
11. casting mold machine according to claim 10, wherein
The filling case is fixed on the sliding slot.
12. the casting mold machine according to any one of claim 8~11, wherein
The pressure heads mechanism configuration is between the sliding slot.
13. casting mold machine according to claim 1 or 2, wherein
Have the periphery for surrounding the template and the frame-shaped frame slided up and down,
A part for the space design is formed by frame-shaped frame.
14. casting mold machine according to claim 1 or 2, wherein
The pressure heads mechanism is arranged cylinder by two sandboxes and supports, which declines and carry out sandbox setting process and squeeze work
Sequence.
15. casting mold machine according to claim 14, wherein
The sandfilling hopper is linked to multiple lift cylinders, and multiple lift cylinders are installed on lifting scaffold, lifting bearing
Frame is erected between the upper end of the piston rod of the sandbox setting cylinder.
16. a kind of sandfilling compression unit be used to come using the molding box and template that are moved to the casting mold of moulding mold
Machine, and fill molding sand to space design, wherein have：
Case is contained, there is the under shed portion that can be connect with the upper opening portion of the molding box；
Pressure heads mechanism contains the pressing plate passed in and out in case and the perforation pressing plate and can be opposite with respect to described
In multiple presser feets of pressing plate lifting；
Sandfilling hopper, have to by the molding box, described contain described in case, the pressure heads mechanism and the template formed
Space design fills at least one sandfilling mouth of molding sand；And
Sandfilling nozzle is set to the side for containing case, can be connected to the sandfilling mouth with the space design.
17. a kind of sandfilling compression unit be used to come using the molding box and template that are moved to the casting mold of moulding mold
Machine, and fill molding sand to space design, wherein have：
Case is contained, there is the under shed portion that can be connect with the upper opening portion of the molding box；
Case is filled, is configured in the top for containing case, and has and can be connect down with the upper opening portion for containing case
Opening portion；
Pressure heads mechanism, with respect to the pressing plate that passes in and out and the perforation pressing plate in the filling case and can be opposite
In multiple presser feets of pressing plate lifting；
Sandfilling hopper, have to by the molding box, described contain case, the filling case, the pressure heads mechanism and the mould
At least one sandfilling mouth for the space design filling molding sand that plate is formed；And
Sandfilling nozzle is set to the side of the filling case, can be connected to the sandfilling mouth with the space design.
18. a kind of casting mold method carrys out moulding mold using being moved to the molding box of casting mold machine and template, wherein
Have：
Using the molding box, the process for containing case, pressure heads mechanism and the template and forming space design, this, which contains case, has
The under shed portion that can be connect with the upper opening portion of the molding box, the pressure heads mechanism with respect to it is described contain in case into
The pressing plate gone out and the multiple presser feets that penetrates through the pressing plate and can be lifted relative to the pressing plate；With
The process for filling molding sand to the space design using sandfilling nozzle, which, which is set to, described contains case
At least one sandfilling mouth for being set to the sandfilling hopper for stockpiling molding sand can be connected to by side with the space design.
19. a kind of casting mold method carrys out moulding mold using being moved to the molding box of casting mold machine and template, wherein
Have：
Using the molding box, the process for containing case, filling case, pressure heads mechanism and the template and forming space design, this is contained
There is case the under shed portion that can be connect with the upper opening portion of the molding box, the filling case to configure in the top for containing case,
And there is the under shed portion that can be connect with the upper opening portion for containing case, which fills with respect to described
The multiple presser feets for filling out the pressing plate passed in and out in case and penetrating through the pressing plate and capable of being lifted relative to the pressing plate；With
The process for filling molding sand to the space design using sandfilling nozzle, the sandfilling nozzle are set to the filling case
At least one sandfilling mouth for being set to the sandfilling hopper for stockpiling molding sand can be connected to by side with the space design.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-023787 | 2016-02-10 | ||
| JP2016023787 | 2016-02-10 | ||
| JP2016-086359 | 2016-04-22 | ||
| JP2016086359 | 2016-04-22 | ||
| PCT/JP2016/069026 WO2017138161A1 (en) | 2016-02-10 | 2016-06-27 | Mold forming machine, sand-filling compression unit, and mold forming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108367341A true CN108367341A (en) | 2018-08-03 |
| CN108367341B CN108367341B (en) | 2020-07-28 |
Family
ID=59563735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680073225.7A Active CN108367341B (en) | 2016-02-10 | 2016-06-27 | Mold molding machine, sand filling and compressing unit, and mold molding method |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20190060983A1 (en) |
| EP (1) | EP3366386B1 (en) |
| JP (1) | JP6601508B2 (en) |
| KR (1) | KR20180111796A (en) |
| CN (1) | CN108367341B (en) |
| BR (1) | BR112018010025B1 (en) |
| MX (1) | MX2018009705A (en) |
| TW (1) | TWI683710B (en) |
| WO (1) | WO2017138161A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660402A (en) * | 2019-03-06 | 2020-09-15 | 新东工业株式会社 | Additive manufacturing system and container |
| CN114247855A (en) * | 2022-02-28 | 2022-03-29 | 新乡市美斯威精密机器有限公司 | Floating sand core sand filling device for casting and molding of cylinder cover of refrigeration compressor |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6468242B2 (en) * | 2016-05-17 | 2019-02-13 | 新東工業株式会社 | Frame making machine |
| JP6468243B2 (en) * | 2016-05-17 | 2019-02-13 | 新東工業株式会社 | Frame making machine |
| CN108405798A (en) * | 2018-03-30 | 2018-08-17 | 常州卡斯特铝精密铸造科技有限公司 | Aluminum casting mixes movement system with sand |
| JP2023001691A (en) * | 2021-06-21 | 2023-01-06 | 新東工業株式会社 | Foundry-sand supply device and foundry-sand inspection system |
| CN114160760A (en) * | 2021-10-26 | 2022-03-11 | 青岛恒林工业集团股份有限公司 | Molding machine with adjustable sand mold thickness |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05318026A (en) * | 1991-10-30 | 1993-12-03 | Agustin Arana Erana | Head for air shock sandbox type molding machine |
| JPH06190506A (en) * | 1992-12-24 | 1994-07-12 | Mitsubishi Heavy Ind Ltd | Method for preventing sticking of molding sand |
| JPH08187544A (en) * | 1994-12-28 | 1996-07-23 | Kooyoo:Kk | Device for spraying mold releasing agent for removing casting from sand mold |
| CN1335795A (en) * | 1999-11-04 | 2002-02-13 | 新东工业株式会社 | Molding device for molding method or sand mold |
| CN1651166A (en) * | 2000-04-21 | 2005-08-10 | 新东工业株式会社 | Molding machine and a pattern carrier used therefor |
| JP2005329469A (en) * | 2005-08-19 | 2005-12-02 | Sintokogio Ltd | Pattern carrier transfer mechanism |
| CN1968771A (en) * | 2004-04-21 | 2007-05-23 | 新东工业株式会社 | Method for manufacturing molding sand |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK475A (en) * | 1974-02-19 | 1976-04-09 | S Otaki | FULLY AUTOMATIC MOLDING MACHINE FOR THE MANUFACTURE OF HORIZONTALLY SHARED FABRIC SHAPES WITHOUT SUPPORT PLATES OR TENSION FRAMES |
| DE2814140A1 (en) * | 1978-04-01 | 1979-10-11 | Stotz Ag A | FOUNDRY FORMING MACHINE |
| JPS57181459U (en) * | 1981-05-09 | 1982-11-17 | ||
| US6684933B2 (en) * | 2001-03-16 | 2004-02-03 | Sintokogio Ltd. | Method and apparatus for compacting molding sand |
| BRPI1015075B1 (en) * | 2010-03-11 | 2019-04-24 | Sintokogio, Ltd. | MOLDING MACHINE |
| JP5626639B2 (en) * | 2010-08-09 | 2014-11-19 | 新東工業株式会社 | Mold making method |
-
2016
- 2016-06-27 US US16/076,876 patent/US20190060983A1/en not_active Abandoned
- 2016-06-27 KR KR1020187020035A patent/KR20180111796A/en unknown
- 2016-06-27 BR BR112018010025-0A patent/BR112018010025B1/en active IP Right Grant
- 2016-06-27 EP EP16889862.5A patent/EP3366386B1/en active Active
- 2016-06-27 WO PCT/JP2016/069026 patent/WO2017138161A1/en active Application Filing
- 2016-06-27 CN CN201680073225.7A patent/CN108367341B/en active Active
- 2016-06-27 JP JP2017566496A patent/JP6601508B2/en active Active
- 2016-06-27 MX MX2018009705A patent/MX2018009705A/en unknown
- 2016-07-20 TW TW105122934A patent/TWI683710B/en active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05318026A (en) * | 1991-10-30 | 1993-12-03 | Agustin Arana Erana | Head for air shock sandbox type molding machine |
| JPH06190506A (en) * | 1992-12-24 | 1994-07-12 | Mitsubishi Heavy Ind Ltd | Method for preventing sticking of molding sand |
| JPH08187544A (en) * | 1994-12-28 | 1996-07-23 | Kooyoo:Kk | Device for spraying mold releasing agent for removing casting from sand mold |
| CN1335795A (en) * | 1999-11-04 | 2002-02-13 | 新东工业株式会社 | Molding device for molding method or sand mold |
| CN1651166A (en) * | 2000-04-21 | 2005-08-10 | 新东工业株式会社 | Molding machine and a pattern carrier used therefor |
| CN1968771A (en) * | 2004-04-21 | 2007-05-23 | 新东工业株式会社 | Method for manufacturing molding sand |
| JP2005329469A (en) * | 2005-08-19 | 2005-12-02 | Sintokogio Ltd | Pattern carrier transfer mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660402A (en) * | 2019-03-06 | 2020-09-15 | 新东工业株式会社 | Additive manufacturing system and container |
| US11504908B2 (en) | 2019-03-06 | 2022-11-22 | Sintokogio, Ltd. | Additive manufacturing system and container |
| CN114247855A (en) * | 2022-02-28 | 2022-03-29 | 新乡市美斯威精密机器有限公司 | Floating sand core sand filling device for casting and molding of cylinder cover of refrigeration compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| US20190060983A1 (en) | 2019-02-28 |
| KR20180111796A (en) | 2018-10-11 |
| BR112018010025A8 (en) | 2019-02-26 |
| CN108367341B (en) | 2020-07-28 |
| TW201728386A (en) | 2017-08-16 |
| EP3366386A1 (en) | 2018-08-29 |
| JPWO2017138161A1 (en) | 2018-10-25 |
| MX2018009705A (en) | 2019-01-24 |
| EP3366386A4 (en) | 2019-05-01 |
| TWI683710B (en) | 2020-02-01 |
| JP6601508B2 (en) | 2019-11-06 |
| WO2017138161A1 (en) | 2017-08-17 |
| BR112018010025A2 (en) | 2018-11-21 |
| EP3366386B1 (en) | 2021-04-28 |
| BR112018010025B1 (en) | 2022-09-06 |
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