CN112719228B - Using method of four-station vertical sand molding machine - Google Patents
Using method of four-station vertical sand molding machine Download PDFInfo
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- CN112719228B CN112719228B CN202011528751.2A CN202011528751A CN112719228B CN 112719228 B CN112719228 B CN 112719228B CN 202011528751 A CN202011528751 A CN 202011528751A CN 112719228 B CN112719228 B CN 112719228B
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- sand box
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- 239000004576 sand Substances 0.000 title claims abstract description 53
- 238000000465 moulding Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims description 24
- 244000035744 Hura crepitans Species 0.000 claims abstract description 147
- 230000007246 mechanism Effects 0.000 claims abstract description 90
- 239000003110 molding sand Substances 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims description 18
- 238000005056 compaction Methods 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 9
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 3
- 241000208199 Buxus sempervirens Species 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims 5
- 238000007599 discharging Methods 0.000 claims 1
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/02—Compacting by pressing devices only
- B22C15/08—Compacting by pressing devices only involving pneumatic or hydraulic mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/12—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose for filling flasks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/02—Turning or transposing moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/04—Bringing together or separating moulds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention belongs to the technical field of casting molding equipment, and particularly relates to a four-station vertical sand-adding molding machine, which comprises a rotating shaft, a rotating arm, a sand box compacting mechanism, a core setting and inflating hole station, a box closing mechanism, a cleaning station, a sand bin and a sand box overturning mechanism, wherein the rotating shaft, the rotating arm and the sand box compacting mechanism are arranged on the outer side of the rotating shaft in sequence; the rotary arm is arranged between the sand box compacting mechanism and the sand bin, the rotary arm is arranged on the rotary shaft and rotates around the rotary shaft, the sand box overturning mechanism is arranged at the outer side end of the rotary arm, and the sand box overturning mechanism is positioned in the area between the sand bin and the sand box compacting mechanism. The molding sand in the cope flask and the drag flask of the invention is filled into the flask from the upper part, so that the problem of molding failure caused by incomplete filling of molding sand and shadow washing of higher workpieces in other molding equipment can be well solved, and the molding advantage of the molding equipment is more obvious especially for higher-height workpieces.
Description
Technical Field
The invention belongs to the technical field of casting molding equipment, and particularly relates to a use method of a four-station vertical sand adding molding machine.
Background
The existing molding equipment has the problems that the molding sand is not filled practically, the higher workpiece is washed out with sand and has shadows, and the molding failure is caused in the molding process, and the higher the workpiece is, the more obvious the molding problem is, so that the quality and the production efficiency of the workpiece are affected.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a using method of a four-station vertical sand-adding molding machine, molding sand in a cope flask and a drag flask is filled into the sand box from the upper part, so that the problem of molding failure caused by incomplete filling of molding sand and shadow washing of higher workpieces in other forms of molding equipment can be well solved, and particularly, the advantage of the molding machine is more obvious for the higher-height workpiece molding, and four works work simultaneously, so that the production efficiency is high.
The invention discloses a four-station vertical sand-adding molding machine, which comprises a rotating shaft, a rotating arm, a sand box compacting mechanism, a core setting and inflating hole station, a box closing mechanism, a cleaning station, a sand bin and a sand box overturning mechanism, wherein the rotating shaft, the rotating arm and the sand box compacting mechanism are arranged on the outer side of the rotating shaft in sequence; the rotary arm is arranged on the rotary shaft and rotates around the rotary shaft, a sand box overturning mechanism is arranged at the outer side end of the rotary arm, and the sand box overturning mechanism is positioned in an area between the sand bin and the sand box compacting mechanism;
The middle part of the rotating arm is arranged on the rotating shaft, the rotating arm comprises an upper box rotating arm and a lower box rotating arm, the upper box rotating arm and the lower box rotating arm are of cross structures, sand box overturning mechanisms are arranged at one ends of the rotating arms extending outwards, the rotating shaft comprises an upper box rotating shaft and a lower box rotating shaft which are arranged at intervals, the upper box rotating arm is arranged on the upper box rotating shaft, the lower box rotating arm is arranged on the lower box rotating shaft, the sand box compacting mechanisms comprise an upper box compacting mechanism arranged on the outer side of the upper box rotating shaft and a lower box compacting mechanism arranged on the outer side of the lower box rotating shaft, the box closing mechanism is arranged between the upper box rotating shaft and the lower box rotating shaft, and the sand bin comprises an upper box sand bin and a lower box sand bin;
the lower box compacting mechanism comprises a first lifting device and a lower sand box die arranged at the top of the telescopic end of the first lifting device, and the upper box compacting mechanism comprises a first lifting device and a upper sand box die arranged at the top of the telescopic end of the first lifting device;
The box closing mechanism comprises a second lifting device and a supporting plate arranged at the top of the telescopic end of the second lifting device;
the sand box overturning mechanism comprises a clamping device for fixing the sand box and a driving device for driving the clamping device to overturn, and the clamping device is rotatably arranged in a U-shaped groove of the rotating arm;
the sand bin comprises a lower box sand bin and an upper box sand bin, a lower box compacting plate and an upper box compacting plate are respectively arranged on the bottom surfaces of the lower box sand bin and the upper box sand bin, and sand guiding openings for outflow of molding sand are respectively formed in the lower box compacting plate and the upper box compacting plate.
Preferably, the first lifting device comprises a compacting cylinder, the second lifting device comprises a box closing cylinder, and the compacting cylinder and the box closing cylinder are both hydraulic cylinders.
Preferably, the first lifting device further comprises a guide rod and a guide sleeve, wherein the guide sleeve is fixed on an external supporting plate, the guide rod penetrates through the guide sleeve to be fixedly connected with the drag flask mould or the cope flask mould, and the compaction oil cylinder penetrates through the external supporting plate to be fixedly connected with the drag flask mould or the cope flask mould; the second lifting device further comprises a guide shaft, and the guide shaft penetrates through the outer fixing plate to be fixedly connected with the lower surface of the supporting plate.
Preferably, the clamping device comprises a frame-shaped sand box outer frame, a telescopic sand box positioning shaft and a turnover shaft which is oppositely arranged on the outer side wall of the sand box outer frame, wherein the sand box positioning shaft is oppositely arranged on the inner side wall of the sand box outer frame, and the sand box outer frame is rotatably arranged on the rotating arm through the turnover shaft.
Preferably, the upper box rotating arm and the lower box rotating arm are in cross structures and extend out of four arms, and the using method comprises the following steps:
a. Modeling method
The first arms of the upper box rotating arm and the lower box rotating arm are positioned at a sand box compacting mechanism, the clamping device is loosened after the upper box compacting mechanism lifts the upper sand box to the lower part of the upper box sand bin with the upper sand box die and contacts the empty upper sand box, and simultaneously, the clamping device is loosened after the lower box compacting mechanism lifts the lower sand box to the lower part of the lower box sand bin with the lower sand box die and contacts the empty lower sand box;
Adding molding sand into an upper sand box and a lower sand box respectively by an upper sand box and a lower sand box; the upper box compacting mechanism and the lower box compacting mechanism continuously ascend to compact and shape the molding sand in the upper sand box and the lower sand box; the cope flask is lowered to the clamping device of the cope rotating arm, the clamping device clamps the cope flask, the cope mold is lowered to the initial position, the drag flask is lowered to the clamping device of the drag rotating arm, the clamping device clamps the drag flask, and the drag mold is lowered to the initial position;
b. the upper box rotating arm and the lower box rotating arm respectively rotate by 90 degrees relatively;
c. lower core and inflation hole
The sand box turnover mechanism of the first arm of the upper box rotating arm drives the upper sand box to turn 180 degrees for inflating holes, and the first arm of the lower box rotating arm simultaneously drives the lower sand box to turn 180 degrees for core setting; a, repeating the step of the second arm of the upper box rotating arm and the lower box rotating arm;
d. the upper box rotating arm and the lower box rotating arm are respectively rotated by 90 degrees along the direction in the step b;
e. Box combination
The upper box rotating arm drives the upper sand box to rotate to the upper part of the box closing mechanism, meanwhile, the lower box rotating arm drives the lower sand box to rotate to the upper part of the box closing mechanism, the supporting plate of the box closing mechanism ascends to sequentially lift the lower sand box and the upper sand box to finish box closing and then descends to an initial position, and the sand box is demolded or a new sand box is installed by means of an external tool; simultaneously repeating the action of the first arm in the step c of the second arms of the upper box rotating arm and the lower box rotating arm; a, repeating the step of the third arm of the upper box rotating arm and the lower box rotating arm;
f. the upper box rotating arm and the lower box rotating arm are respectively rotated by 90 degrees along the direction in the step b;
g. Cleaning of
The first arms of the upper box rotating arm and the lower box rotating arm reach a cleaning station, and the sand box is cleaned by means of an external tool; and (e) repeating the action of the first arm in the step (e) of the second arms of the upper box rotating arm and the lower box rotating arm; simultaneously repeating the action of the first arm in the step c of the third arm of the upper box rotating arm and the lower box rotating arm; a, repeating the step of the fourth arm of the upper box rotating arm and the lower box rotating arm;
h. the upper box rotating arm and the lower box rotating arm are respectively rotated by 90 degrees along the direction in the step b;
i. The first arms of the upper box rotating arm and the lower box rotating arm return to the modeling station to repeat the step a, and the second arms of the upper box rotating arm and the lower box rotating arm repeat the action of the first arms in the step g; and (e) repeating the action of the first arm in the step (e) of the third arm of the upper box rotating arm and the lower box rotating arm; simultaneously repeating the action of the first arm in the step c of the fourth arm of the upper box rotating arm and the lower box rotating arm;
j. The first arm of the upper box rotating arm and the lower box rotating arm is subjected to repeated molding, core setting, air hole forming, box closing and cleaning, and the second arm, the third arm and the fourth arm respectively lag behind the former arm by one procedure and are subjected to cyclic operation.
The beneficial effects of the invention are as follows: the invention has simple structure and stable work, the molding sand in the upper box and the lower box is filled into the sand box from the upper part, and the invention can well solve the problems of failure molding caused by incomplete filling of molding sand and shadow washing of higher workpieces in other molding equipment, and the higher the workpiece height, the more obvious the molding advantage. The invention can realize both the box molding and the flaskless molding, and can flexibly change only by modifying the sand box part. The four-station molding machine can realize all molding processes by one host, integrates multiple processes, has compact structure, improves molding precision and ensures workpiece quality; and four stations work simultaneously, can carry out molding, core-setting and air hole-forming, mould assembling and four clean processes simultaneously, and the cyclic operation has very big improvement production efficiency, reduction time and personnel cost.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1;
In the drawing, 1, a lower box compacting mechanism, 2, a lower box mould, 3, a lower box, 4, a lower box rotating arm, 5, a lower box compacting plate, 6, a lower box sand bin, 7, an upper box power unit, 8-1, an upper box rotating shaft, 8-2, a lower box rotating shaft, 9, an upper box sand bin, 10, an upper box compacting plate, 11, an upper box, 12, an upper box rotating arm, 13, a lower box power unit, 14, an upper box mould, 15, an upper box compacting mechanism, 16, a box closing mechanism, 17, a guide rod, 18, a compacting cylinder, 19, a supporting plate, 20, a guide shaft, 21, a box closing cylinder, 23, a turnover shaft, 24, a sand box, 25, a sand box positioning shaft, 26 and a guide sleeve.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific examples:
The invention discloses a four-station vertical sand-adding molding machine, which comprises a rotating shaft, a rotating arm, a sand box compacting mechanism, a core setting and inflating hole station, a box closing mechanism 16 and a cleaning station, a sand bin and a sand box overturning mechanism, wherein the rotating shaft, the rotating arm and the sand box compacting mechanism are vertically arranged; the rotary arm is arranged on the rotary shaft and rotates around the rotary shaft, a sand box overturning mechanism is arranged at the outer side end of the rotary arm, and the sand box overturning mechanism is positioned in an area between the sand bin and the sand box compacting mechanism;
The middle part of the rotating arm is arranged on a rotating shaft, the rotating arm comprises an upper box rotating arm 12 and a lower box rotating arm 4, the upper box rotating arm 12 and the lower box rotating arm 4 are of cross structures, sand box overturning mechanisms are arranged at one outwards extending ends of the rotating arm 12, the rotating shaft comprises an upper box rotating shaft 8-1 and a lower box rotating shaft 8-2 which are arranged at intervals, the upper box rotating arm 12 is arranged on the upper box rotating shaft 8-1, the lower box rotating arm 4 is arranged on the lower box rotating shaft 8-2, the sand box compacting mechanisms comprise an upper box compacting mechanism 15 arranged outside the upper box rotating shaft 8-1 and a lower box compacting mechanism 1 arranged outside the lower box rotating shaft 8-2, a box closing mechanism 16 is arranged between the upper box rotating shaft 8-1 and the lower box rotating shaft 8-2, and the sand box comprises an upper box sand bin 9 and a lower box sand bin 6;
the lower box compacting mechanism 1 comprises a first lifting device and a lower sand box die 2 arranged at the top of the telescopic end of the first lifting device, and the upper box compacting mechanism 15 comprises a first lifting device and an upper sand box die 14 arranged at the top of the telescopic end of the first lifting device;
The box closing mechanism 16 comprises a second lifting device and a supporting plate 19 arranged at the top of the telescopic end of the second lifting device;
the sand box overturning mechanism comprises a clamping device for fixing the sand box and a driving device for driving the clamping device to overturn, and the clamping device is rotatably arranged in a U-shaped groove of the rotating arm;
The sand silo includes lower case sand silo 6 and last case sand silo 9, lower case sand silo 6 and last case sand silo 9 bottom surface are equipped with lower case compaction board 5 and last case compaction board 10 respectively, all be equipped with the sand guide mouth that is used for the molding sand outflow on lower case compaction board 5 and the last case compaction board 10.
Preferably, the first lifting device comprises a compacting cylinder 18, the second lifting device comprises a box closing cylinder 21, and the compacting cylinder 18 and the box closing cylinder 21 are hydraulic cylinders.
Preferably, the first lifting device further comprises a guide rod 17 and a guide sleeve 26, the guide sleeve 26 is fixed on an external supporting plate, the guide rod 17 passes through the guide sleeve 26 to be fixedly connected with the drag flask mould 2 or the cope flask mould 14, and the compaction cylinder 18 passes through the external supporting plate to be fixedly connected with the drag flask mould 2 or the cope flask mould 14; the second lifting device further comprises a guide shaft 20, and the guide shaft 20 penetrates through an external fixing plate to be fixedly connected with the lower surface of the supporting plate 19.
The guide rod 17 can make the cope flask mold 14 and the drag flask mold 2 direct up and down, the molding precision in the compacting process is increased, and the guide shaft 20 makes the precision in the case closing higher.
Preferably, the sand box overturning mechanism comprises a clamping device for fixing the sand box and a driving device for driving the clamping device to overturn, and the clamping device is rotatably arranged in a U-shaped groove of the rotating arm; the clamping device adopts a frame-shaped sand box outer frame 24, the outer side of the sand box outer frame is rotatably arranged on the rotating arm through a turnover shaft 23, a sand box positioning shaft 25 is arranged on the inner side wall of the sand box outer frame, the sand box is clamped and loosened through the extension and contraction of the sand box positioning shaft 25, and the driving device drives the sand box outer frame 24 to turnover the sand box.
Preferably, the bottom surface of the sand silo is provided with a compacting plate, and the compacting plate is provided with a sand guide opening for outflow of molding sand.
The upper box rotating arm and the lower box rotating arm are of cross structures and extend out of four arms, and the using method comprises the following steps:
a. Modeling method
The first arms of the upper box rotating arm and the lower box rotating arm are positioned at a sand box compacting mechanism, the clamping device is loosened after the upper box compacting mechanism lifts the upper sand box to the lower part of the upper box sand bin with the upper sand box die and contacts the empty upper sand box, and simultaneously, the clamping device is loosened after the lower box compacting mechanism lifts the lower sand box to the lower part of the lower box sand bin with the lower sand box die and contacts the empty lower sand box;
Adding molding sand into an upper sand box and a lower sand box respectively by an upper sand box and a lower sand box; the upper box compacting mechanism and the lower box compacting mechanism continuously ascend to compact and shape the molding sand in the upper sand box and the lower sand box; the cope flask is lowered to the clamping device of the cope rotating arm, the clamping device clamps the cope flask, the cope mold is lowered to the initial position, the drag flask is lowered to the clamping device of the drag rotating arm, the clamping device clamps the drag flask, and the drag mold is lowered to the initial position;
b. the upper box rotating arm and the lower box rotating arm respectively rotate by 90 degrees relatively;
c. lower core and inflation hole
The sand box turnover mechanism of the first arm of the upper box rotating arm drives the upper sand box to turn 180 degrees for inflating holes, and the first arm of the lower box rotating arm simultaneously drives the lower sand box to turn 180 degrees for core setting; a, repeating the step of the second arm of the upper box rotating arm and the lower box rotating arm;
d. the upper box rotating arm and the lower box rotating arm are respectively rotated by 90 degrees along the direction in the step b;
e. Box combination
The upper box rotating arm drives the upper sand box to rotate to the upper part of the box closing mechanism, meanwhile, the lower box rotating arm drives the lower sand box to rotate to the upper part of the box closing mechanism, the supporting plate of the box closing mechanism ascends to sequentially lift the lower sand box and the upper sand box to finish box closing and then descends to an initial position, and the sand box is demolded or a new sand box is installed by means of an external tool; simultaneously repeating the action of the first arm in the step c of the second arms of the upper box rotating arm and the lower box rotating arm; a, repeating the step of the third arm of the upper box rotating arm and the lower box rotating arm;
f. the upper box rotating arm and the lower box rotating arm are respectively rotated by 90 degrees along the direction in the step b;
g. Cleaning of
The first arms of the upper box rotating arm and the lower box rotating arm reach a cleaning station, and the sand box is cleaned by means of an external tool; and (e) repeating the action of the first arm in the step (e) of the second arms of the upper box rotating arm and the lower box rotating arm; simultaneously repeating the action of the first arm in the step c of the third arm of the upper box rotating arm and the lower box rotating arm; a, repeating the step of the fourth arm of the upper box rotating arm and the lower box rotating arm;
h. the upper box rotating arm and the lower box rotating arm are respectively rotated by 90 degrees along the direction in the step b;
i. The first arms of the upper box rotating arm and the lower box rotating arm return to the modeling station to repeat the step a, and the second arms of the upper box rotating arm and the lower box rotating arm repeat the action of the first arms in the step g; and (e) repeating the action of the first arm in the step (e) of the third arm of the upper box rotating arm and the lower box rotating arm; simultaneously repeating the action of the first arm in the step c of the fourth arm of the upper box rotating arm and the lower box rotating arm;
j. The first arm of the upper box rotating arm and the lower box rotating arm is subjected to repeated molding, core setting, air hole forming, box closing and cleaning, and the second arm, the third arm and the fourth arm respectively lag behind the former arm by one procedure and are subjected to cyclic operation.
In addition, an upper box power unit 7 for driving the upper box rotating arm to rotate 12 and a lower box power unit 13 for driving the lower box rotating arm 4 to rotate are also arranged.
The invention has simple structure and stable work, the molding sand in the upper box and the lower box is filled into the sand box from the upper part, and the invention can well solve the problems of failure molding caused by incomplete filling of molding sand and shadow washing of higher workpieces in other molding equipment, and the higher the workpiece height, the more obvious the molding advantage. The invention can realize both the box molding and the flaskless molding, and can flexibly change only by modifying the sand box part. The four-station molding machine can realize all molding processes by one host, integrates multiple processes, has compact structure, improves molding precision and ensures workpiece quality; the molding, core setting and air hole opening, box closing and cleaning are performed simultaneously and circularly, so that the common assembly line method is abandoned, the production efficiency is greatly improved, and the time and personnel cost are reduced.
Claims (3)
1. The application method of the four-station vertical sand molding machine is characterized by comprising the following steps of: the molding machine comprises a rotating shaft, a rotating arm, a sand box compacting mechanism, a core discharging and inflating hole station, a box closing mechanism (16) and a cleaning station, a sand bin and a sand box overturning mechanism, wherein the rotating shaft, the rotating arm and the sand box compacting mechanism are vertically arranged, the sand box overturning mechanism is arranged on the outer side of the rotating shaft in sequence, and the sand bin overturning mechanism is arranged right above the sand box compacting mechanism and used for overturning the angle of the sand box; the rotary arm is arranged on the rotary shaft and rotates around the rotary shaft, a sand box overturning mechanism is arranged at the outer side end of the rotary arm, and the sand box overturning mechanism is positioned in an area between the sand bin and the sand box compacting mechanism; the middle part of the rotating arm is arranged on a rotating shaft, the rotating arm comprises an upper box rotating arm (12) and a lower box rotating arm (4), the upper box rotating arm (12) and the lower box rotating arm (4) are of cross structures, sand box overturning mechanisms are arranged at one ends of the rotating arm (12) extending outwards, the rotating shaft comprises an upper box rotating shaft (8-1) and a lower box rotating shaft (8-2) which are arranged at intervals, the upper box rotating shaft (8-1) and the lower box rotating shaft (8-2) are relatively rotated, the upper box rotating arm (12) is arranged on the upper box rotating shaft (8-1), and the lower box rotating arm (4) is arranged on the lower box rotating shaft (8-2); the sand box compacting mechanism comprises an upper box compacting mechanism (15) arranged on the outer side of an upper box rotating shaft (8-1) and a lower box compacting mechanism (1) arranged on the outer side of a lower box rotating shaft (8-2), the box closing mechanism (16) is arranged between the upper box rotating shaft (8-1) and the lower box rotating shaft (8-2), and the sand bin comprises an upper box sand bin (9) and a lower box sand bin (6); the lower box compacting mechanism (1) comprises a first lifting device and a lower sand box die (2) arranged at the top of the telescopic end of the first lifting device, and the upper box compacting mechanism (15) comprises a first lifting device and an upper sand box die (14) arranged at the top of the telescopic end of the first lifting device; the box closing mechanism (16) comprises a second lifting device and a supporting plate (19) arranged at the top of the telescopic end of the second lifting device; the sand box overturning mechanism comprises a clamping device for fixing the sand box and a driving device for driving the clamping device to overturn, and the clamping device is rotatably arranged in a U-shaped groove of the rotating arm; the sand bin comprises a lower box sand bin (6) and an upper box sand bin (9), lower box compacting plates (5) and upper box compacting plates (10) are respectively arranged on the bottom surfaces of the lower box sand bin (6) and the upper box sand bin (9), and sand guiding openings for outflow of molding sand are respectively formed in the lower box compacting plates (5) and the upper box compacting plates (10); the upper box rotating arm (12) and the lower box rotating arm (4) are of cross structures and extend out of the four arms;
The clamping device comprises a frame-shaped sand box outer frame (24), a telescopic sand box positioning shaft (25) and a turnover shaft (23) which is oppositely arranged on the outer side wall of the sand box outer frame (24), wherein the sand box positioning shaft (25) is oppositely arranged on the inner side wall of the sand box outer frame (24), and the sand box outer frame (24) is rotatably arranged on one end of the outward extending rotary arm through the turnover shaft (23);
The application method comprises the following steps:
a. Modeling method
The first arms of the upper box rotating arm (12) and the lower box rotating arm (4) are positioned at a sand box compacting mechanism, the clamping device is loosened after the upper box compacting mechanism lifts the upper sand box below an upper box sand bin with the upper sand box die being lifted and contacted with the empty lower sand box with the lower sand box die being lifted and the clamping device is loosened, and the lower box compacting mechanism lifts the lower sand box below the lower box sand bin with the lower sand box die being lifted and contacted with the lower sand box die;
Adding molding sand into an upper sand box and a lower sand box respectively by an upper sand box and a lower sand box; the upper box compacting mechanism and the lower box compacting mechanism continuously ascend to compact and shape the molding sand in the upper sand box and the lower sand box; the cope flask is lowered to the clamping device of the cope rotating arm (12), the clamping device clamps the cope flask, the cope mold is lowered to the initial position, the drag flask is lowered to the clamping device of the drag rotating arm, the clamping device clamps the drag flask, and the drag mold is lowered to the initial position;
b. The upper box rotating arm (12) and the lower box rotating arm (4) respectively rotate by 90 degrees relatively;
c. lower core and inflation hole
The sand box overturning mechanism of the first arm of the upper box rotating arm (12) drives the upper sand box to overturn 180 degrees to perform air hole punching, and the first arm of the lower box rotating arm (4) simultaneously drives the lower sand box to overturn 180 degrees to perform core setting; simultaneously repeating the step a of the second arm of the upper box rotating arm (12) and the lower box rotating arm (4);
d. the upper box rotating arm (12) and the lower box rotating arm (4) are respectively rotated by 90 degrees along the direction in the step b;
e. Box combination
The upper box rotating arm (12) drives the upper sand box to rotate to the upper part of the box closing mechanism, meanwhile, the lower sand box rotating arm drives the lower sand box to rotate to the upper part of the box closing mechanism, the supporting plate of the box closing mechanism ascends to sequentially lift the lower sand box and the upper sand box to finish box closing and then descends to an initial position, and the sand box is demolded or a new sand box is installed by means of an external tool; simultaneously, the actions of the first arm in the step c are repeated for the second arms of the upper box rotating arm (12) and the lower box rotating arm (4); simultaneously repeating the step a of the third arm of the upper box rotating arm (12) and the lower box rotating arm (4);
f. The upper box rotating arm (12) and the lower box rotating arm (4) are respectively rotated by 90 degrees along the direction in the step b;
g. Cleaning of
The first arms of the upper box rotating arm (12) and the lower box rotating arm (4) reach a cleaning station, and the sand box is cleaned by means of an external tool; simultaneously, the actions of the first arm in the step e are repeated for the second arms of the upper box rotating arm (12) and the lower box rotating arm (4); simultaneously, the action of the first arm in the step c is repeated for the third arm of the upper box rotating arm (12) and the lower box rotating arm (4); simultaneously repeating the step a of the fourth arm of the upper box rotating arm (12) and the lower box rotating arm (4);
h. the upper box rotating arm (12) and the lower box rotating arm (4) are respectively rotated by 90 degrees along the direction in the step b;
i. The first arms of the upper box rotating arm (12) and the lower box rotating arm (4) return to the modeling station to repeat the step a, and the second arms of the upper box rotating arm (12) and the lower box rotating arm (4) repeat the action of the first arms in the step g; simultaneously repeating the action of the first arm in the step e of the third arm of the upper box rotating arm (12) and the lower box rotating arm (4); simultaneously repeating the action of the first arm in the step c of the fourth arm of the upper box rotating arm (12) and the lower box rotating arm (4);
j. The first arms of the upper box rotating arm (12) and the lower box rotating arm (4) are subjected to repeated molding, core feeding, air hole forming, box closing and cleaning, and the second arm, the third arm and the fourth arm respectively lag behind the former arm by one procedure, so that the cyclic operation is realized.
2. The method of using a four-station vertical sand molding machine of claim 1, wherein: the first lifting device comprises a compaction oil cylinder (18), the second lifting device comprises a box closing oil cylinder (21), and the compaction oil cylinder (18) and the box closing oil cylinder (21) are both hydraulic oil cylinders.
3. The method of using a four-station vertical sand molding machine of claim 2, wherein: the first lifting device further comprises a guide rod (17) and a guide sleeve (26), the guide sleeve (26) is fixed on an external supporting plate, the guide rod (17) penetrates through the guide sleeve (26) to be fixedly connected with the drag flask mould (2) or the cope flask mould (14), and the compaction oil cylinder (18) penetrates through the external supporting plate to be fixedly connected with the drag flask mould (2) or the cope flask mould (14); the second lifting device further comprises a guide shaft (20), and the guide shaft (20) penetrates through an external fixing plate to be fixedly connected with the lower surface of the supporting plate (19).
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| DE9319057U1 (en) * | 1993-12-11 | 1994-02-24 | Adolf Hottinger Maschinenbau Gmbh, 68219 Mannheim | Device for shooting foundry cores or molds |
| JP3628259B2 (en) * | 1999-02-23 | 2005-03-09 | ディサ インダストリーズ アクツイエセルスカプ | Machine for manufacturing unframed molds |
| JP4794426B2 (en) * | 2006-12-20 | 2011-10-19 | 株式会社前田シェルサービス | Mold making system |
| CN102328035A (en) * | 2011-10-08 | 2012-01-25 | 青岛双星铸造机械有限公司 | Turntable vacuum moulding production line |
| CN102527948B (en) * | 2012-03-06 | 2013-09-11 | 刘连忠 | Four-station static pressure automatic moulding machine |
| CN102632204B (en) * | 2012-04-28 | 2013-11-20 | 许云东 | Molding device and method for molding by molding sand |
| JP5995542B2 (en) * | 2012-06-08 | 2016-09-21 | メタルエンジニアリング株式会社 | Mold making method and apparatus |
| CN103203434B (en) * | 2013-04-10 | 2015-08-05 | 浙江省机电设计研究院有限公司 | Equipment and the method for sand molding efficiency are covered in a kind of raising |
| US9827609B2 (en) * | 2013-07-10 | 2017-11-28 | Lignyte Co., Ltd. | Cast mold fabrication device |
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