CN112719227B - Application method of single-station vertical sand molding machine - Google Patents
Application method of single-station vertical sand molding machine Download PDFInfo
- Publication number
- CN112719227B CN112719227B CN202011528747.6A CN202011528747A CN112719227B CN 112719227 B CN112719227 B CN 112719227B CN 202011528747 A CN202011528747 A CN 202011528747A CN 112719227 B CN112719227 B CN 112719227B
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- Prior art keywords
- box
- sand
- swing arm
- sand box
- molding
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- 239000004576 sand Substances 0.000 title claims abstract description 44
- 238000000465 moulding Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims description 15
- 244000035744 Hura crepitans Species 0.000 claims abstract description 99
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 239000003110 molding sand Substances 0.000 claims abstract description 24
- 230000007306 turnover Effects 0.000 claims description 7
- 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 5
- 238000005056 compaction 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
- 238000004519 manufacturing process Methods 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
Landscapes
- 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 single-station vertical sand-adding molding machine, which comprises a rotating shaft, a swing arm, a sand box compacting mechanism and a box closing mechanism, which are vertically arranged, wherein the sand box compacting mechanism and the box closing mechanism are arranged on the outer side of the swing arm around the rotating shaft, and a sand bin and a sand box overturning mechanism are arranged right above the sand box compacting mechanism; the swing arm is arranged between the sand box compacting mechanism and the sand bin, the swing arm is arranged on the rotating shaft and rotates around the rotating shaft, the sand box overturning mechanism is arranged at the outer side end of the swing arm, and the sand box overturning mechanism is located in an 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 single-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 method for using a single-station vertical sand-adding molding machine, and molding sand in a cope flask and a drag flask is filled into the sand boxes from the upper part, so that the problems 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 advantage of molding of the higher workpieces is more obvious.
The invention discloses a single-station vertical sand-adding molding machine, which comprises a rotating shaft, a swing arm, a sand box compacting mechanism, a box closing mechanism, a sand bin and a sand box overturning mechanism, wherein the rotating shaft is vertically arranged, the swing arm is arranged on the outer side of the sand box compacting mechanism, the sand box compacting mechanism and the box closing mechanism are arranged around the rotating shaft, the sand bin is arranged right above the sand box compacting mechanism and is used for filling sand, the sand box overturning mechanism is used for overturning the sand box angle, the swing arm is arranged on the rotating shaft and rotates around the rotating shaft, the sand box overturning mechanism is arranged at the outer side end of the swing arm, and the sand box overturning mechanism is positioned in an area between the sand bin and the sand box compacting mechanism; the sand box compacting mechanism comprises an upper box compacting mechanism and a lower box compacting mechanism, and the sand bin comprises an upper box sand bin and a lower box sand bin;
The sand box compacting mechanism comprises a first lifting device and a 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 swing arm;
The bottom surface of sand silo is equipped with the compaction board, be equipped with the sand guide mouth that is used for the molding sand outflow on the compaction board.
Preferably, the upper box compacting mechanism and the lower box compacting mechanism are respectively arranged at the left side and the right side of the rotating shaft, and the box closing mechanism is arranged at the front side of the rotating shaft.
Preferably, the first lifting device and the second lifting device both adopt hydraulic cylinders.
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 swing arm through the turnover shaft.
Preferably, the application method comprises the following steps:
(1) The clamping device is loosened after the upper box compacting mechanism is lifted to contact with the upper box die, the upper box is lifted to the lower part of the upper box sand bin, and the clamping device is loosened after the lower box compacting mechanism is lifted to contact with the lower box die, so that the lower box is lifted to the lower part of the lower box sand bin;
(3) Adding molding sand into an upper sand box and a lower sand box respectively by an upper sand box and a lower sand box;
(4) The upper sand box die and the lower sand box die continuously ascend, the molding sand in the upper sand box is compacted and molded through an upper box compacting plate, and the molding sand in the lower sand box is compacted and molded through a lower box compacting plate;
(5) The cope flask is lowered to the clamping device of the cope swing arm, the clamping device clamps the cope flask, the cope flask mold is lowered to the initial position, the drag flask is lowered to the clamping device of the drag flask swing arm, the clamping device clamps the drag flask, and the drag flask mold is lowered to the initial position;
(6) The upper box swing arm drives the upper sand box to rotate above the box closing mechanism, and meanwhile, the lower box swing arm drives the lower sand box to rotate above the box closing mechanism;
(7) The supporting plate of the box closing mechanism rises to sequentially lift the drag flask and the cope flask, and then descends to an initial position after the box closing is completed.
Preferably, in the step (5), when the molded molding sand needs to be core-spun or air-blown, the sand box overturning mechanism drives the lower sand box to overturn 180 degrees to perform core-spun, and simultaneously drives the upper sand box to overturn 180 degrees to perform air-blown.
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 single-station molding machine can realize all molding processes by one host, integrates multiple processes, has compact structure, improves molding precision and ensures workpiece quality.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of FIG. 1;
in the drawings, 1, a lower box compacting mechanism, 2, a lower box mould, 3, a lower box, 4, a lower box swing arm, 5, a lower box compacting plate, 6, a lower box sand bin, 7, an upper box power unit, 8, a rotating shaft, 9, an upper box sand bin, 10, an upper box compacting plate, 11, an upper box, 12, an upper box swing 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 box positioning shaft, 18, a box outer frame, 19, a supporting plate, 20, a turnover shaft, 21, a compacting cylinder, 22, a guide rod, 23, a box closing cylinder, 24, a guide shaft, 25 and a supporting plate.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific examples:
The invention discloses a single-station vertical sand-adding molding machine, which comprises a rotating shaft 8, a swing arm, a sand box compacting mechanism, a box closing mechanism 16, a sand bin and a sand box overturning mechanism, wherein the rotating shaft 8 is vertically arranged, the swing arm, the sand box compacting mechanism and the box closing mechanism are arranged on the outer side of the rotating shaft 8, the sand bin is arranged right above the sand box compacting mechanism and is used for filling sand, the sand box overturning mechanism is used for overturning the sand box angle, the swing arm is arranged on the rotating shaft 8 and rotates around the rotating shaft 8, the sand box overturning mechanism is arranged at the outer side end of the swing arm, and the sand box overturning mechanism is positioned in an area between the sand bin and the sand box compacting mechanism; the sand box compacting mechanism comprises an upper box compacting mechanism 15 and a lower box compacting mechanism 1, and the sand bin comprises an upper box sand bin 9 and a lower box sand bin 6;
The sand box compacting mechanism comprises a first lifting device and a sand box die 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 arranged at the top of the telescopic end of the second lifting device;
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 swing arm; the clamping device adopts a frame-shaped sand box outer frame 18, the outer side of the clamping device is rotatably arranged on the swing arm through a turnover shaft 20, a sand box positioning shaft 17 is arranged on the inner side wall of the clamping device, the sand box is clamped and loosened through the extension and contraction of the sand box positioning shaft 04, and the driving device drives the sand box outer frame 18 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.
Preferably, the upper box compacting mechanism 15 and the lower box compacting mechanism 1 are respectively arranged at the left side and the right side of the rotating shaft 8, and the box closing mechanism 16 is arranged at the front side of the rotating shaft.
Preferably, the first lifting device and the second lifting device both adopt hydraulic cylinders.
The application method comprises the following steps:
(1) After the cope compaction mechanism 15 is lifted to contact the cope flask 11 with the cope flask die 14, the clamping device is loosened, the cope flask 11 is lifted to the lower part of the cope flask sand bin 9, and meanwhile, after the drag compaction mechanism 1 is lifted to contact the drag flask 3 with the drag flask die 2, the clamping device is loosened, and the drag flask 3 is lifted to the lower part of the drag flask sand bin 6;
(3) The upper box sand bin 9 and the lower box sand bin 6 respectively add molding sand to the upper sand box 11 and the lower sand box 3;
(4) The cope flask mold 14 and the drag flask mold 1 continue to rise, the molding sand in the cope flask 11 is compacted and molded by the cope flask compacting plate 10, and the molding sand in the drag flask 3 is compacted and molded by the drag flask compacting plate 5;
(5) The cope flask 11 is lowered to the clamping device of the cope swing arm 12, the clamping device clamps the cope flask 11, the cope mold 14 is lowered to the initial position, the drag flask 3 is lowered to the clamping device of the drag swing arm 4, the clamping device clamps the drag flask 3, and the drag mold 2 is lowered to the initial position;
(6) The upper box swing arm 12 drives the upper sand box 9 to rotate 90 degrees to the upper part of the box closing mechanism 16, and the lower box swing arm 4 drives the lower sand box 3 to rotate 90 degrees to the upper part of the box closing mechanism 16;
(7) The pallet 19 of the mold closing mechanism 16 is raised to sequentially lift the drag flask 3 and the cope flask 11, and then lowered to the initial positions after the mold closing is completed.
Preferably, in the step (5), when the molded molding sand needs to be core-spun or air-blown, the flask turning mechanism drives the drag flask 3 to turn 180 degrees to perform core-spun, and simultaneously drives the cope flask 11 to turn 180 degrees to perform air-blown.
In addition, an upper box power unit 7 for driving the upper box swing arm to rotate 12 and a lower box power unit 13 for driving the lower box swing 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 single-station molding machine can realize all molding processes by one host, integrates multiple processes, has compact structure, improves molding precision and ensures workpiece quality.
Claims (3)
1. The application method of the single-station vertical sand molding machine is characterized by comprising the following steps of: the molding machine comprises a rotating shaft (8) which is vertically arranged, a swing arm, a sand box compacting mechanism and a box closing mechanism (16) which are arranged on the outer side of the rotating shaft (8), a sand bin which is arranged right above the sand box compacting mechanism and used for filling sand, and a sand box overturning mechanism which is used for overturning the angle of the sand box, wherein the swing arm is arranged on the rotating shaft (8) and rotates around the rotating shaft (8), the outer side end of the swing arm is provided with the sand box overturning mechanism, and the sand box overturning mechanism is positioned in an area between the sand bin and the sand box compacting mechanism; the sand box compacting mechanism comprises an upper box compacting mechanism (15) and a lower box compacting mechanism (1), and the sand bin comprises an upper box sand bin (9) and a lower box sand bin (6); the sand box compacting mechanism comprises a first lifting device and a sand box die 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 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 swing arm; the bottom surface of the sand bin 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 compacting mechanism (15) and the lower box compacting mechanism (1) are respectively arranged at the left side and the right side of the rotating shaft (8), and the box closing mechanism (16) is arranged at the front side of the rotating shaft;
The clamping device comprises a frame-shaped sand box outer frame (18), a telescopic sand box positioning shaft (17) and a turnover shaft (20) which is oppositely arranged on the outer side wall of the sand box outer frame (18), wherein the sand box positioning shaft (17) is oppositely arranged on the inner side wall of the sand box outer frame (18), and the sand box outer frame (18) is rotatably arranged on the swing arm through the turnover shaft (20);
The using method comprises the following steps:
(1) The clamping device is loosened after the upper box compacting mechanism is lifted to contact with the upper box die, the upper box is lifted to the lower part of the upper box sand bin, and the clamping device is loosened after the lower box compacting mechanism is lifted to contact with the lower box die, so that the lower box is lifted to the lower part of the lower box sand bin;
(3) Adding molding sand into an upper sand box and a lower sand box respectively by an upper sand box and a lower sand box;
(4) The upper sand box die and the lower sand box die continuously ascend, the molding sand in the upper sand box is compacted and molded through an upper box compacting plate, and the molding sand in the lower sand box is compacted and molded through a lower box compacting plate;
(5) The cope flask is lowered to the clamping device of the cope swing arm, the clamping device clamps the cope flask, the cope flask mold is lowered to the initial position, the drag flask is lowered to the clamping device of the drag flask swing arm, the clamping device clamps the drag flask, and the drag flask mold is lowered to the initial position;
(6) The upper box swing arm drives the upper sand box to rotate above the box closing mechanism, and meanwhile, the lower box swing arm drives the lower sand box to rotate above the box closing mechanism;
(7) The supporting plate of the box closing mechanism rises to sequentially lift the drag flask and the cope flask, and then descends to an initial position after the box closing is completed.
2. The method of claim 1, wherein the first lifting device and the second lifting device each employ a hydraulic ram.
3. The method of claim 1, wherein in step (5), when the molding sand is required to be core-spun or air-filled, the flask turning mechanism drives the drag flask to turn 180 degrees to perform core-spun, and simultaneously drives the cope flask to turn 180 degrees to perform air-filled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011528747.6A CN112719227B (en) | 2020-12-22 | 2020-12-22 | Application method of single-station vertical sand molding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011528747.6A CN112719227B (en) | 2020-12-22 | 2020-12-22 | Application method of single-station vertical sand molding machine |
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| Publication Number | Publication Date |
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| CN112719227A CN112719227A (en) | 2021-04-30 |
| CN112719227B true CN112719227B (en) | 2024-08-16 |
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| CN202011528747.6A Active CN112719227B (en) | 2020-12-22 | 2020-12-22 | Application method of single-station vertical sand molding machine |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN214349453U (en) * | 2020-12-22 | 2021-10-08 | 景县诚信铸造模具有限公司 | A single-station vertical sanding molding machine |
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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 |
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| CN101036935B (en) * | 2007-02-02 | 2010-07-28 | 王彤 | Double-station horizontal parting and removable flask shoot and squeeze molding machine |
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- 2020-12-22 CN CN202011528747.6A patent/CN112719227B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214349453U (en) * | 2020-12-22 | 2021-10-08 | 景县诚信铸造模具有限公司 | A single-station vertical sanding molding machine |
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