CN106424593B - A kind of three station moulding machines - Google Patents
A kind of three station moulding machines Download PDFInfo
- Publication number
- CN106424593B CN106424593B CN201610847037.7A CN201610847037A CN106424593B CN 106424593 B CN106424593 B CN 106424593B CN 201610847037 A CN201610847037 A CN 201610847037A CN 106424593 B CN106424593 B CN 106424593B
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- Prior art keywords
- sandbox
- pressing plate
- sand shot
- plate
- sand
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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
- B22C15/23—Compacting by gas pressure or vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Road Paving Machines (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a kind of three station moulding machines, including upper sandbox sand shot system, lower sandbox compaction apparatus, servo-actuated turnover device and the mould assembly drawing mobile system being installed in rack, upper sandbox sand shot system includes feed hopper and the housing of sealing, feed hopper is into horn-like, feed hopper is connected with housing, and butterfly valve is equipped between feed hopper and housing;The top of housing is equipped with sand shot air intake duct, and the lower section of sand shot air intake duct is equipped with sandbox in housing, and sandbox is connected with sand shot air intake duct, and sand shot air intake duct is communicated with air pump;The lower section of sandbox is equipped with pressure sandbox in housing, and the lower section of sandbox is pressed to be equipped with upper sandbox compaction apparatus, sand shot plate is equipped between sandbox and pressure sandbox, sand shot plate is equipped with pressure sensor;Controller is further included, butterfly valve, air pump, pressure sensor and upper sandbox compaction apparatus are electrically connected with controller.The moulding machine of the present invention can make sandbox upper mold and sandbox lower die from dynamic pressure, and three continual work of station are more efficient compared to routine techniques.
Description
Technical field
The present invention relates to moulding machine, more particularly to a kind of three station moulding machines.
Background technology
Moulding machine is for manufacturing the Casting Equipment of sand mold.Its major function is:Loose molding sand is inserted sand by back-up sand
In case;Consolidation molding sand, by ram-jolt, compacting, jolt-squeeze, penetrate pressure etc. distinct methods make molding sand consolidation loose in sandbox, make sand mold
It is had necessary strength during carrying and cast etc.;Molding is taken from the sand mold after consolidation apperance using different institutions
Go out.Traditional moulding machine is merely able to manual operation, manually fills out sand, artificial stripping, inefficiency.
The content of the invention
It is an object of the present invention to provide a kind of three station moulding machines, using automation formula control, have there are three station,
Three stations run without interruption, more efficient.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of three station moulding machines, including be installed in rack upper sandbox sand shot system, lower sandbox compaction apparatus, with
Dynamic turnover device and mould assembly drawing mobile system, upper sandbox sand shot system include feed hopper and the housing of sealing, and feed hopper is into loudspeaker
Shape, feed hopper are connected with housing, and butterfly valve is equipped between feed hopper and housing;The top of housing is equipped with sand shot air intake duct, housing
The lower section of interior sand shot air intake duct is equipped with sandbox, and sandbox is connected with sand shot air intake duct, and sand shot air intake duct is communicated with air pump;Housing
The lower section of interior sandbox is equipped with pressure sandbox, and the lower section of sandbox is pressed to be equipped with upper sandbox compaction apparatus, is set between sandbox and pressure sandbox
There is sand shot plate, sand shot plate is equipped with pressure sensor;Further include controller, butterfly valve, air pump, pressure sensor and the compacting of upper sandbox
Device is electrically connected with controller.For forming sandbox upper mold, lower sandbox compaction apparatus is used to form sand upper sandbox sand shot system
Type lower die, the two operation principle are identical.
In foregoing three station moulding machine of one kind, upper sandbox compaction apparatus is made of pressing sand plate and cylinder, and pressing sand plate is located at
It presses in sandbox, cylinder is connected with the controller;Sand shot plate is equipped with equally distributed open-work;The section of sand shot air intake duct is square
Shape, the horizontal cross-section of sand shot air intake duct are identical with the horizontal cross-section of sandbox.Such set-up mode can make the sand in sandbox
Son is more uniformly stressed, and makes all sands at a high speed into pressure sandbox, so as to produce the sand mold of high-quality.
In foregoing three station moulding machine of one kind, it is servo-actuated including positioning seat, support rotation axis and three to be servo-actuated turnover device
Switching mechanism, support rotation axis are mounted on positioning seat, and follow up & roll over mechanism is arranged in support rotation axis;Positioning seat is into cylinder
Shape, the positioning seat below follow up & roll over mechanism are equipped with blowpit, and one end of rotation axis is supported to be equipped with three support columns, three supports
The angle of the mutual presence of column;Follow up & roll over mechanism fixes/drawing mechanism including sandbox, and sandbox fixes/drawing mechanism
One side is fixed with sleeve, and sleeve is equipped with taper groove, and movable axis is connected with connecting rod, connecting rod and the support column in sleeve
It is fixedly connected;Rotation axis is supported to be equipped with flat surface, flat surface is equipped with groove band, and groove band is mutually nibbled with the taper groove
It closes.Support rotation axis groove band in rotary course can drive sandbox fix/drawing mechanism periodically rotates 180 degree, sandbox
Fixation/drawing mechanism is often rotated by 360 ° the process that will complete an automatic drawing, this and there are three station, three sandboxs for tool
The continual operation of fixation/drawing mechanism, work efficiency higher.Sandbox fixes/drawing mechanism for sandbox to be fixed and
Drawing, after completing drawing, sandbox comes off from blowpit.
In foregoing three station moulding machine of one kind, the quantity of the groove band is three, the groove quantity of three groove bands
It is equal with the groove quantity of the taper groove;Three groove bands are circumferentially positioned in support rotation axis, adjacent two teeth
The distance between line band is equal.
In foregoing three station moulding machine of one kind, sandbox fixes/and drawing mechanism includes the first connecting plate being arranged in parallel and the
Two connecting plates, the both ends of the first connecting plate are respectively articulated with the first grips pincers and the second grips pincers, and the first grips pincers are close to the second grips pincers
One side be equipped with the first pressing plate, the second grips pincers close to the one side of the first grips pincers be equipped with the second pressing plate;Further include the first drawing
Oil cylinder and the second drawing oil cylinder, first drawing oil cylinder one end are connected with the first pressing plate, and one end of the other end and the second connecting plate is connected,
Second drawing oil cylinder one end is connected with the second pressing plate, and the other end of the other end and the second connecting plate is connected;First pressing plate is multiple through first
One end of position spring and the second connecting plate is connected, and the second pressing plate is connected through second back-moving spring with the other end of the second connecting plate, sandbox
It is clamped between the first pressing plate and the second pressing plate.When needing drawing, the first drawing oil cylinder overcomes the drawing of (the first back-moving spring
Power, the second drawing oil cylinder overcome the pulling force of second back-moving spring, and sandbox is made to depart from the binding force of the first pressing plate and the second pressing plate.It is complete
(the first back-moving spring and second back-moving spring recover deformation after into drawing, return back to original state, complete to the again solid of sandbox
It is fixed.
In foregoing three station moulding machine of one kind, the first pressing plate has chamfering, the first pressing plate close to one end of the first connecting plate
Chamfering be located at close to the second pressing plate one side;Second pressing plate has chamfering close to one end of the first connecting plate, and the second pressing plate falls
Angle is located at close to the one side of the first pressing plate;The chamfering of first pressing plate is identical with the chamfering angle of inclination of the second pressing plate, be respectively less than or
Person is equal to 5 degree.The compactedness of device can be influenced if the angle of inclination of chamfering is excessive, if the angle of inclination of chamfering is too small,
When dismantling sandbox, sandbox can be interfered with the first pressing plate and the second pressing plate.Preferably, the angle of inclination of chamfering is 4 degree.
In foregoing three station moulding machine of one kind, the first pressing plate is fixed on by U-shaped card slot in the first grips pincers, and second
Pressing plate is fixed on by U-shaped card slot in the second grips pincers, and screw is equipped in the threaded hole of card slot;Second pressing plate is fixedly connected with
Supporting rod, the side wall of positioning seat are equipped with spring bearing, and one end of supporting rod is set in spring bearing.Drawing oil cylinder and reset
The fixation to sandbox and drawing are completed under the collective effect of spring, the first pressure under the drive of the first grips pincers and the second grips pincers
Plate and the second pressing plate play sandbox clamping action, and the blessing power of the first grips pincers and the second grips pincers comes from the first reset bullet
The elastic restoring force of spring and second back-moving spring, so sandbox is disassembled also very convenient, it is only necessary to overcome the first reset
The elastic force of spring and second back-moving spring.Also, the first pressing plate and the second pressing plate are equipped with chamfering so that sandbox is fixed
Afterwards between sandbox and the first pressing plate, the second pressing plate there are certain gap, when needing to disassemble sandbox the first pressing plate and
Second pressing plate would not have interference after opening certain angle with sandbox, so that sandbox easily disassembles.
Compared with prior art, moulding machine of the invention can make sandbox upper mold and sandbox lower die from dynamic pressure, and have
Three stations, three continual work of station are more efficient compared to routine techniques.
Description of the drawings
Fig. 1 is a kind of structure diagram of embodiment of the present invention;
Fig. 2 is a kind of structure diagram of embodiment of upper sandbox sand shot system;
Fig. 3 is a kind of structure diagram of embodiment of servo-actuated turnover device;
Fig. 4 is that Fig. 3 is partial enlarged view;
Fig. 5 is the partial enlarged view of Fig. 4.
Reference numeral:1- air pumps, 2- sand shot air intake ducts, 3- feed hoppers, 4- butterfly valves, 5- sandboxes, 6- sand shot plates, 7- pressures are husky
Case, 8- pressing sand plates, 9- cylinders, 10- sandbox compaction apparatus, 11- controllers, 12- pressure sensors, 13- housings, 14- first are pressed
Plate, the first grips pincers of 15-, 16- sandboxs, 17- (the first back-moving springs, the second connecting plates of 18-, 19- second back-moving springs, 20- second
Grips pincers, 21- card slots, the second pressing plates of 22-, the first connecting plates of 23-, 24- the first drawing oil cylinders, 25- the second drawing oil cylinders, 26- connect
Extension bar, 27- taper grooves, 28- sleeves, 29- groove bands, 30- sandboxs fix/drawing mechanism, 31- support rotation axis, 32- platforms
Face, 33- support columns, 34- follow up & roll over mechanism, 35- supporting rods, 36- spring bearings, 37- side walls, 38- positioning seats, 39- dischargings
Slot, the upper sandbox sand shot systems of 40-, sandbox compaction apparatus under 41-, 42- racks, 43- mould assembly drawing mobile systems, 44-, which is servo-actuated, to be turned over
Rotary device.
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Specific embodiment
The embodiment of the present invention 1:A kind of three station moulding machines, including the upper sandbox sand shot system being installed in rack 42
40th, lower sandbox compaction apparatus 41, servo-actuated turnover device 44 and mould assembly drawing mobile system 43, upper sandbox sand shot system 40 include into
Hopper 3 and the housing 13 of sealing, into horn-like, feed hopper 3 connects feed hopper 3 with housing 13, is set between feed hopper 3 and housing 13
There is butterfly valve 4;The top of housing 13 is equipped with sand shot air intake duct 2, and the lower section of sand shot air intake duct 2 is equipped with sandbox 5, Chu Sha in housing 13
Case 5 is connected with sand shot air intake duct 2, and sand shot air intake duct 2 is communicated with air pump 1;The lower section of sandbox 5 is equipped with pressure sandbox 7 in housing 13,
The lower section of sandbox 7 is pressed to be equipped with upper sandbox compaction apparatus 10, sand shot plate 6 is equipped between sandbox 5 and pressure sandbox 7, is set on sand shot plate 6
There is pressure sensor 12;Further include controller 11, butterfly valve 4, air pump 1, pressure sensor 12 and upper sandbox compaction apparatus 10 and
Controller 11 is electrically connected.
Upper sandbox compaction apparatus 10 is made of pressing sand plate 8 and cylinder 9, and pressing sand plate 8 is located in pressure sandbox 7, cylinder 9 and described
Controller 11 is connected;Sand shot plate 6 is equipped with equally distributed open-work;The rectangular cross-section of sand shot air intake duct 2, sand shot air intake duct 2
Horizontal cross-section it is identical with the horizontal cross-section of sandbox 5.
Embodiment 2:A kind of three station moulding machines, including be installed in rack 42 upper sandbox sand shot system 40, lower sand
Case compaction apparatus 41, servo-actuated turnover device 44 and mould assembly drawing mobile system 43, upper sandbox sand shot system 40 include 3 He of feed hopper
The housing 13 of sealing, into horn-like, feed hopper 3 connects feed hopper 3 with housing 13, and butterfly valve is equipped between feed hopper 3 and housing 13
4;The top of housing 13 is equipped with sand shot air intake duct 2, and the lower section of sand shot air intake duct 2 is equipped with sandbox 5,5 He of sandbox in housing 13
Sand shot air intake duct 2 connects, and sand shot air intake duct 2 is communicated with air pump 1;The lower section of sandbox 5 is equipped with pressure sandbox 7 in housing 13, and pressure is husky
The lower section of case 7 is equipped with upper sandbox compaction apparatus 10, and sand shot plate 6 is equipped between sandbox 5 and pressure sandbox 7, and sand shot plate 6 is equipped with pressure
Force snesor 12;Controller 11 is further included, butterfly valve 4, air pump 1, pressure sensor 12 and upper sandbox compaction apparatus 10 are equal and control
Device 11 is electrically connected.
Upper sandbox compaction apparatus 10 is made of pressing sand plate 8 and cylinder 9, and pressing sand plate 8 is located in pressure sandbox 7, cylinder 9 and described
Controller 11 is connected;Sand shot plate 6 is equipped with equally distributed open-work;The rectangular cross-section of sand shot air intake duct 2, sand shot air intake duct 2
Horizontal cross-section it is identical with the horizontal cross-section of sandbox 5.
Servo-actuated turnover device 44 includes positioning seat 38, support rotation axis 31 and three follow up & roll over mechanism 34, support rotation
Axis 31 is mounted on positioning seat 38, and follow up & roll over mechanism 34 is arranged in support rotation axis 31;Positioning seat 38 is servo-actuated into cylindric
The positioning seat 38 of the lower section of switching mechanism 34 is equipped with blowpit 39, and one end of support rotation axis 31 is equipped with three support columns 33, three
There are 60 degree of angles between each other for support column 33;Follow up & roll over mechanism 34 fixes/drawing mechanism 30 including sandbox, and sandbox is solid
The one side of fixed/drawing mechanism 30 is fixed with sleeve 28, and sleeve 28 is equipped with taper groove 27, and movable axis is connected in sleeve 28
Extension bar 26, connecting rod 26 are fixedly connected with the support column 33;Rotation axis 31 is supported to be equipped with flat surface 32, is set in flat surface 32
There is groove band 29, groove band 29 and the taper groove 27 are meshed.
The quantity of the groove band 29 is three, the equal tooth with the taper groove 27 of groove quantity of three groove bands 29
Line quantity is equal;Three groove bands 29 are circumferentially positioned in support rotation axis 31, the distance between adjacent two groove bands 29
It is equal.
Embodiment 3:A kind of three station moulding machines, including be installed in rack 42 upper sandbox sand shot system 40, lower sand
Case compaction apparatus 41, servo-actuated turnover device 44 and mould assembly drawing mobile system 43, upper sandbox sand shot system 40 include 3 He of feed hopper
The housing 13 of sealing, into horn-like, feed hopper 3 connects feed hopper 3 with housing 13, and butterfly valve is equipped between feed hopper 3 and housing 13
4;The top of housing 13 is equipped with sand shot air intake duct 2, and the lower section of sand shot air intake duct 2 is equipped with sandbox 5,5 He of sandbox in housing 13
Sand shot air intake duct 2 connects, and sand shot air intake duct 2 is communicated with air pump 1;The lower section of sandbox 5 is equipped with pressure sandbox 7 in housing 13, and pressure is husky
The lower section of case 7 is equipped with upper sandbox compaction apparatus 10, and sand shot plate 6 is equipped between sandbox 5 and pressure sandbox 7, and sand shot plate 6 is equipped with pressure
Force snesor 12;Controller 11 is further included, butterfly valve 4, air pump 1, pressure sensor 12 and upper sandbox compaction apparatus 10 are equal and control
Device 11 is electrically connected.
Upper sandbox compaction apparatus 10 is made of pressing sand plate 8 and cylinder 9, and pressing sand plate 8 is located in pressure sandbox 7, cylinder 9 and described
Controller 11 is connected;Sand shot plate 6 is equipped with equally distributed open-work;The rectangular cross-section of sand shot air intake duct 2, sand shot air intake duct 2
Horizontal cross-section it is identical with the horizontal cross-section of sandbox 5.
Servo-actuated turnover device 44 includes positioning seat 38, support rotation axis 31 and three follow up & roll over mechanism 34, support rotation
Axis 31 is mounted on positioning seat 38, and follow up & roll over mechanism 34 is arranged in support rotation axis 31;Positioning seat 38 is servo-actuated into cylindric
The positioning seat 38 of the lower section of switching mechanism 34 is equipped with blowpit 39, and one end of support rotation axis 31 is equipped with three support columns 33, three
There are 60 degree of angles between each other for support column 33;Follow up & roll over mechanism 34 fixes/drawing mechanism 30 including sandbox, and sandbox is solid
The one side of fixed/drawing mechanism 30 is fixed with sleeve 28, and sleeve 28 is equipped with taper groove 27, and movable axis is connected in sleeve 28
Extension bar 26, connecting rod 26 are fixedly connected with the support column 33;Rotation axis 31 is supported to be equipped with flat surface 32, is set in flat surface 32
There is groove band 29, groove band 29 and the taper groove 27 are meshed.
The quantity of the groove band 29 is three, the equal tooth with the taper groove 27 of groove quantity of three groove bands 29
Line quantity is equal;Three groove bands 29 are circumferentially positioned in support rotation axis 31, the distance between adjacent two groove bands 29
It is equal.
Sandbox fixes/and drawing mechanism 30 includes the first connecting plate 23 and the second connecting plate 18 that are arranged in parallel, the first connecting plate 23
Both ends are respectively articulated with the first grips pincers 15 and the second grips pincers 20, and the first grips pincers 15 are equipped with close to the one side of the second grips pincers 20
First pressing plate 14, the second grips pincers 20 are equipped with the second pressing plate 22 close to the one side of the first grips pincers 15;Further include the first drawing oil
24 and second drawing oil cylinder 25 of cylinder, 24 one end of the first drawing oil cylinder are connected with the first pressing plate 14, the other end and the second connecting plate 18
One end is connected, and 25 one end of the second drawing oil cylinder is connected with the second pressing plate 22, and the other end of the other end and the second connecting plate 18 is connected;The
One pressing plate 14 is connected through (the first back-moving spring 17 with one end of the second connecting plate 18, and the second pressing plate 22 is through second back-moving spring 19 and
The other end of two connecting plates 18 is connected, and sandbox 16 is clamped between the first pressing plate 14 and the second pressing plate 22.
First pressing plate 14 has chamfering close to one end of the first connecting plate 23, and the chamfering of the first pressing plate 14 is located at close to the second pressure
The one side of plate 22;Second pressing plate 22 has a chamfering close to one end of the first connecting plate 23, and the chamfering of the second pressing plate 22 is located at close to the
The one side of one pressing plate 14;The chamfering of first pressing plate 14 is identical with the chamfering angle of inclination of the second pressing plate 22, is respectively less than or equal to 5
Degree.
First pressing plate 14 is fixed on by U-shaped card slot 21 in the first grips pincers 15, and the second pressing plate 22 passes through U-shaped card slot
21 are fixed in the second grips pincers 20, and screw is equipped in the threaded hole of card slot 21;Second pressing plate 22 is fixedly connected with supporting rod 35,
The side wall 37 of positioning seat 38 is equipped with spring bearing 36, and one end of supporting rod 35 is set in spring bearing 36.
For upper sandbox sand shot system 40 for forming sandbox upper mold, lower sandbox compaction apparatus 41 is husky for forming sandbox lower die
Type upper mold and sandbox lower die pass through the sand mold upper mold that is formed after the completion of sandbox moulding process on mould assembly drawing mobile system 43 and upper
Sandbox acts on orbiting a distance by pushing away case oil cylinder;Into mould assembly station;It is formed after the completion of lower sandbox moulding process
Sand mold lower die and lower sandbox by three stations support rotary system be transported to mould assembly station;Pass through mould assembly oil cylinder and connection branch
Frame, guide post guide sleeve and the connection of direct type trolley;It is acted on by mould assembly oil cylinder;Uplink a distance first catches the lower sandbox of drawing
The upper sandbox for having been enter into mould assembly station is caught toward uplink a distance again;After carrying out positioning mould assembling;It is demoulded again toward uplink, in sand mold
Sand mold stripping process is carried out under the action of component;Oil cylinder downlink afterwards;It is stopped in upper and lower sandbox original position;Reduction is upper and lower husky
Case is into original state;To continue next cycling;Upper and lower sand mo(u)ld then accesses rail set by direct type trolley and enters casting process stream
Waterline cycles.
Claims (5)
1. a kind of three station moulding machines, which is characterized in that including be installed in rack (42) upper sandbox sand shot system (40),
Lower sandbox compaction apparatus (41), servo-actuated turnover device (44) and mould assembly drawing mobile system (43), upper sandbox sand shot system (40)
Housing (13) including feed hopper (3) and sealing, into horn-like, feed hopper (3) connects feed hopper (3) with housing (13), feeds
It struggles against (3) and butterfly valve (4) is equipped between housing (13);The top of housing (13) is equipped with sand shot air intake duct (2), housing (13) interior sand shot
The lower section of air intake duct (2) is equipped with sandbox (5), and sandbox (5) is connected with sand shot air intake duct (2), and sand shot air intake duct (2) is communicated with
Air pump (1);The lower section of housing (13) interior sandbox (5) is equipped with pressure sandbox (7), and the lower section of pressure sandbox (7) is compacted equipped with upper sandbox
Device (10), is equipped with sand shot plate (6) between sandbox (5) and pressure sandbox (7), sand shot plate (6) is equipped with pressure sensor (12);
Further include controller (11), butterfly valve (4), air pump (1), pressure sensor (12) and upper sandbox compaction apparatus (10) are and controller
(11) it is electrically connected;
Servo-actuated turnover device (44) includes positioning seat (38), support rotation axis (31) and three follow up & roll over mechanism (34), support
Rotation axis (31) is mounted on positioning seat (38), and follow up & roll over mechanism (34) is arranged in support rotation axis (31);Positioning seat
(38) into cylindric, the positioning seat (38) below follow up & roll over mechanism (34) is equipped with blowpit (39), support rotation axis (31)
One end is equipped with three support columns (33), and there are 60 degree of angles between each other for three support columns (33);Follow up & roll over mechanism (34)
/ drawing mechanism (30) is fixed including sandbox, sandbox fixes/and the one side of drawing mechanism (30) is fixed with sleeve (28), sleeve (28)
Taper groove (27) is equipped with, sleeve (28) interior movable axis is connected with connecting rod (26), connecting rod (26) and the support column
(33) it is fixedly connected;Rotation axis (31) is supported to be equipped with flat surface (32), flat surface (32) is equipped with groove band (29), groove band
(29) it is meshed with the taper groove (27);
The quantity of the groove band (29) is three, and the groove quantity of three groove bands (29) is and the taper groove (27)
Groove quantity is equal.
2. a kind of three stations moulding machine according to claim 1, which is characterized in that upper sandbox compaction apparatus (10) is husky by pressure
Plate (8) and cylinder (9) composition, pressing sand plate (8) are located in pressure sandbox (7), and cylinder (9) is connected with the controller (11);Sand shot
Plate (6) is equipped with equally distributed open-work;The rectangular cross-section of sand shot air intake duct (2), the horizontal cross-section of sand shot air intake duct (2) and
The horizontal cross-section of sandbox (5) is identical.
3. a kind of three stations moulding machine according to claim 1, which is characterized in that three groove bands (29) are circumferentially positioned at
It supports on rotation axis (31), the distance between adjacent two groove bands (29) are equal.
4. a kind of three stations moulding machine according to claim 3, which is characterized in that sandbox fixes/drawing mechanism (30) bag
The first connecting plate (23) being arranged in parallel and the second connecting plate (18) are included, the both ends of the first connecting plate (23) are respectively articulated with the first grips pincers
(15) and the second grips pincers (20), the first grips pincers (15) are equipped with the first pressing plate (14) close to the one side of the second grips pincers (20),
Second grips pincers (20) are equipped with the second pressing plate (22) close to the one side of the first grips pincers (15);Further include the first drawing oil cylinder (24)
With the second drawing oil cylinder (25), first drawing oil cylinder (24) one end is connected with the first pressing plate (14), the other end and the second connecting plate
(18) one end is connected, and second drawing oil cylinder (25) one end is connected with the second pressing plate (22), the other end and the second connecting plate (18)
The other end is connected;First pressing plate (14) is connected through (the first back-moving spring (17) with one end of the second connecting plate (18), the second pressing plate
(22) it is connected through second back-moving spring (19) with the other end of the second connecting plate (18), sandbox (16) is clamped in the first pressing plate (14)
And second between pressing plate (22).
5. a kind of three stations moulding machine according to claim 4, which is characterized in that the first pressing plate (14) is close to the first connecting plate
(23) one end has chamfering, and the chamfering of the first pressing plate (14) is located at close to the one side of the second pressing plate (22);Second pressing plate (22)
There is chamfering close to one end of the first connecting plate (23), the chamfering of the second pressing plate (22) is located at close to the one side of the first pressing plate (14);
The chamfering of first pressing plate (14) is identical with the chamfering angle of inclination of the second pressing plate (22), is respectively less than or equal to 5 degree.
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CN110711849B (en) * | 2019-11-29 | 2020-07-10 | 安庆海威尔机械有限公司 | Piston ring sand mould forming system |
CN110814284B (en) * | 2019-12-12 | 2020-11-17 | 安庆海威尔机械有限公司 | Piston ring casting process |
CN116441494B (en) * | 2023-04-03 | 2024-01-26 | 湖北泰克摩擦材料有限公司 | Sand casting machine and sand casting demolding treatment method |
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CN203371007U (en) * | 2013-06-01 | 2014-01-01 | 长葛市同生机械有限公司 | Full-automatic double-station, vertical molding, horizontal parting and flask-striped shooting-squeezing molding machine |
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