CN116603981A - Multi-contact static pressure molding machine for small and medium sand boxes - Google Patents
Multi-contact static pressure molding machine for small and medium sand boxes Download PDFInfo
- Publication number
- CN116603981A CN116603981A CN202310598210.4A CN202310598210A CN116603981A CN 116603981 A CN116603981 A CN 116603981A CN 202310598210 A CN202310598210 A CN 202310598210A CN 116603981 A CN116603981 A CN 116603981A
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- frame
- small
- molding machine
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- 238000000465 moulding Methods 0.000 title claims abstract description 35
- 244000035744 Hura crepitans Species 0.000 title claims abstract description 31
- 230000003068 static effect Effects 0.000 title claims abstract description 26
- 239000004576 sand Substances 0.000 claims abstract description 32
- 238000007664 blowing Methods 0.000 claims abstract description 26
- 238000005056 compaction Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003110 molding sand Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/28—Compacting by different means acting simultaneously or successively, e.g. preliminary blowing and finally pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses a multi-contact static pressure molding machine for a small and medium sand box, which relates to the technical field of static pressure molding machines and comprises a base and a frame of an L-shaped structure connected to the base, wherein an upper support column and a lower support column arranged below the upper support column are arranged between the top of the frame and the base; the inner side of the top of the frame is fixedly connected with an air blowing frame, two sides of the air blowing frame are provided with an opening and closing edge roller frame, the opening and closing edge roller frame is fixed on the frame, a supporting point of a residual sand frame is fixedly arranged on the opening and closing edge roller frame, and a sand box passes through the opening and closing edge roller frame below the residual sand frame. The multi-contact static pressure molding machine for the small and medium sand boxes adopts the structure, firstly compacts molding sand by using air flow, and then performs high compaction by adopting the multi-contact structure, so that a good molding effect is obtained.
Description
Technical Field
The invention relates to the technical field of static pressure molding machines, in particular to a multi-contact static pressure molding machine for a small and medium sand box.
Background
Static pressure automatic molding lines are complete production lines for producing castings in the foundry industry. The whole line is composed of a plurality of sets of mechanical, electric control and hydraulic equipment, a plurality of sets of sand boxes and trolleys, and comprises the procedures of shakeout, box separation, box surface and inner cavity cleaning, modeling, overturning, box descending, gate milling, gas drilling, box closing, box tightening hook, casting mold cooling and the like. The method comprises the steps of knockout, modeling, core setting, pouring and cooling. The static pressure automatic molding line is produced by adopting an internationally and internationally accepted advanced molding process, namely a static pressure molding process. The molding process has good process adaptability, and can obtain castings with high precision and smooth surface quality.
The existing static pressure automatic molding line has high cost due to high automation degree, high productivity and larger sand box size.
Disclosure of Invention
The invention aims to provide a multi-contact static molding machine for a small and medium sand box, which solves the problems of larger size and higher cost of the sand box of the existing static molding machine.
In order to achieve the above purpose, the invention provides a multi-contact static molding machine for a small and medium sand box, which comprises a base and a frame with an L-shaped structure, wherein the frame is connected to the base; the automatic sand blowing machine is characterized in that an air blowing frame is fixedly connected to the inner side of the top of the machine frame, two sides of the air blowing frame are provided with an opening and closing edge roller frame, the opening and closing edge roller frame is fixed on the machine frame, supporting points of a residual sand frame are fixedly arranged on the opening and closing edge roller frame, and a sand box passes through the opening and closing edge roller frame below the residual sand frame.
Preferably, a multi-contact mechanism is arranged above the residual sand frame, an air blowing valve is arranged on one side of the multi-contact mechanism, and the air blowing valve and the multi-contact mechanism are arranged on the frame.
Preferably, the air blowing valve is connected with an air port on an air bag, and the air bag is arranged on the ground behind the frame.
Preferably, a positioning sleeve is arranged between the two support columns.
Preferably, a workbench is arranged on the base, and the workbench is arranged below the die moving and rotating mechanism.
Preferably, a hydraulic power unit is arranged at one end of the base, which is close to the frame.
Preferably, four guide rods are arranged below the base, and oil cylinders are arranged among the four guide rods.
Preferably, a bracket is fixedly arranged on the base, the bracket supports a rotary oil cylinder, and the rotary oil cylinder is arranged below the mould moving rotary mechanism.
Therefore, the small and medium sand box multi-contact static pressure molding machine adopting the structure has the following beneficial effects:
(1) The molding sand is compacted by adopting the air flow blown out of the air blowing valve, the sand filling effect of the parting surface is improved, and then the high compaction is performed by adopting the multi-contact structure, so that the good molding effect is finally obtained.
(2) The invention is provided with an independent hydraulic power unit, can be used independently, can also be matched into a production line for use, and is suitable for various production modes.
(3) The invention has the advantages of compact structure, complete functions, low cost, economy and practicability.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic diagram of a multi-contact static molding machine embodiment of a small and medium sand box according to the present invention;
FIG. 2 is a side view of an embodiment of a multi-touch hydrostatic molding machine for a small and medium sand box of the present invention;
FIG. 3 is a top view of an embodiment of a multi-contact hydrostatic molding machine for a small and medium sand box of the present invention;
reference numerals: 1. a base; 2. a frame; 3. an upper support column; 4. a mould moving and rotating mechanism; 5. a template; 6. a template frame; 7. a support rod; 8. a blowing frame; 9. an edge roller frame is opened and closed; 10. a residual sand frame; 11. a sand box; 12. a multi-contact mechanism; 13. a gas blowing valve; 14. an air bag; 15. a positioning sleeve; 16. a work table; 17. a hydraulic power unit; 18. a guide rod; 19. an oil cylinder; 20. a bracket; 21. and (5) a rotary oil cylinder.
Detailed Description
The technical scheme of the invention is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Examples
Referring to fig. 1-3, the invention provides a multi-contact static molding machine for a small and medium sand box, which comprises a base 1 and a frame 2 with an L-shaped structure connected to the base 1, wherein an upper support column 3 and a lower support column arranged below the upper support column 3 are arranged between the top of the frame 2 and the base 1, the lower support column passes through a mold movement rotary mechanism 4, a positioning sleeve 15 is arranged between the upper support column 3 and the lower support column, and the positioning sleeve 15 is used for positioning the center of the mold movement rotary mechanism 4.
The die moving and rotating mechanism 4 is provided with two supporting rods 7, the two supporting rods 7 are provided with four supporting shafts, the four supporting shafts support a die plate frame 6, the die plate frame 6 is provided with a die plate 5, the die plate frame 6 comprises an upper die plate frame and a lower die plate frame, and the die plate frame 6 rotates along with the supporting shafts; the inside fixedly connected with of top of frame 2 blows frame 8, and the both sides of frame 8 of blowing are provided with open-close limit roller frame 9, and open-close limit roller frame 9 is fixed on frame 2, and the fixed strong point that is provided with surplus sand frame 10 on the open-close limit roller frame 9, there is sand box 11 to pass through on the open-close limit roller frame 9 of surplus sand frame 10 below, and sand box 11 includes cope flask and drag flask.
The sand blowing device is characterized in that a multi-contact mechanism 12 is arranged above the residual sand frame 10, an air blowing valve 13 is arranged on one side of the multi-contact mechanism 12, the air blowing valve 13 is connected with an air port on an air bag 14, the air bag 14 is arranged on the ground behind the frame 2, sand materials on the template 5 are pre-compacted by air flow blown by the air blowing valve 13, the air blowing valve 13 and the multi-contact mechanism 12 are arranged on the frame 2, the multi-contact mechanism 12 is subjected to high compaction, and finally a good modeling effect is obtained.
The base 1 is provided with a workbench 16, and the workbench 16 is arranged below the mould moving and rotating mechanism 4. The base 1 is provided with a hydraulic power unit 17 near one end of the frame 2. Four guide rods 18 are arranged below the base 1, and oil cylinders 19 are arranged between the four guide rods 18. A bracket 20 is fixedly arranged on the base 1, the bracket 20 supports a rotary oil cylinder 21, and the rotary oil cylinder 21 is arranged below the die-moving rotary mechanism 4. The rotary cylinder 21 provides power for the die-moving rotary mechanism 4.
The specific working process is as follows:
step one: sand adding
On the sand feeding position, a lower template frame is supported on a mould moving and rotating mechanism 4, a drag flask and a Yu Shakuang are arranged upwards in sequence, a cavity for sand feeding is formed, and sand feeding is performed manually in an auxiliary mode.
Step two: rotary motion
The sand-filled drag flask, yu Shakuang, is moved to the molding position by the rotation of the mold-moving rotation mechanism 4 and also below the multi-contact mechanism 12, and at the same time, the upper mold frame, the cope flask, and the residual sand frame 10 in the molding position are moved to the sand-filled position. Simultaneously with the compaction of the drag flask, the cope flask is filled with sand and vice versa.
Step three: air flow pre-compaction
The drag flask, yu Shakuang filled with sand are moved to the lower part of the multi-contact mechanism 12, the open-close side roller frame 9 is opened, the workbench 16 is lifted to the top tightening position, at this time, the blowing frame 8, the residual sand frame 10, the drag flask and the template 5 below the multi-contact mechanism 12 form a closed cavity, the blowing valve 13 is rapidly opened according to the set time and pressure, the air flow carries the sand to flow towards the template 5, good filling is completed and pre-tightening is obtained, and the air is discharged through the periphery of the template frame 6 and the vent plugs and the vent valves on the template 5.
Step four: compaction
After the exhaust, the multi-contact mechanism 12 moves downwards to compact, the sand mold is finally compacted under the compaction of the multi-contact mechanism 12, the compaction specific pressure can be adjusted within the interval of 0.2-1 Mpa, and the compaction can be performed in a partitioning way.
Step five: stripping die
After compaction is completed, the open-close side roller frame 9 is closed, the workbench 16 descends, the multi-contact mechanism 12 retracts, the residual sand frame 10 falls on the supporting point of the open-close side roller frame 9, the workbench 16 descends continuously, the travelling side of the sand box 11 falls on the side roller of the side roller frame, and the workbench 16 descends continuously to finish drawing.
Step six: delivery of
The side roller frames are conveyed, the molded drag flask is conveyed out, and the non-molded drag flask is conveyed in.
Step seven: box
The workbench 16 ascends, the matchplate frame 6, the drag flask and Yu Shakuang 10 are sequentially connected, the open-close side roller frame 9 is opened, the workbench 16 descends, and the drag flask and the residual sand frame 10 fall on four support shafts of the support rod 7 of the mold moving and rotating mechanism 4 along with the matchplate frame 6.
Step eight: repeating from the second step.
Therefore, the small and medium sand box multi-contact static pressure molding machine adopting the structure firstly compacts molding sand by adopting air flow blown out of the air blowing valve, improves the sand filling effect of the parting surface, and then performs high compaction by adopting a multi-contact structure to finally obtain good molding effect; the hydraulic power unit is provided with an independent hydraulic power unit, can be used independently, can also be matched into a production line for use, and is suitable for various production modes; compact structure, complete functions, low cost, economy and practicality.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the invention can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the invention.
Claims (8)
1. A small and medium sand box multi-contact static pressure molding machine is characterized in that: the device comprises a base and a frame which is connected with the base and has an L-shaped structure, wherein an upper supporting column and a lower supporting column which is arranged below the upper supporting column are arranged between the top of the frame and the base, the lower supporting column penetrates through a mould moving and rotating mechanism, two supporting rods are arranged on the mould moving and rotating mechanism, four supporting shafts are arranged on the two supporting rods, the four supporting shafts support a template frame, and a template is arranged on the template frame; the automatic sand blowing machine is characterized in that an air blowing frame is fixedly connected to the inner side of the top of the machine frame, two sides of the air blowing frame are provided with an opening and closing edge roller frame, the opening and closing edge roller frame is fixed on the machine frame, supporting points of a residual sand frame are fixedly arranged on the opening and closing edge roller frame, and a sand box passes through the opening and closing edge roller frame below the residual sand frame.
2. The small and medium sand box multi-contact static molding machine according to claim 1, wherein: the multi-contact mechanism is arranged above the residual sand frame, one side of the multi-contact mechanism is provided with a gas blowing valve, and the gas blowing valve and the multi-contact mechanism are arranged on the frame.
3. The small and medium sand box multi-contact static molding machine according to claim 2, wherein: the air blowing valve is connected with an air port on an air bag, and the air bag is arranged on the ground behind the frame.
4. A small and medium sand box multi-contact static molding machine according to claim 3, wherein: a positioning sleeve is arranged between the two support columns.
5. The multi-contact static molding machine for small and medium sand boxes according to claim 4, wherein: the base is provided with a workbench, and the workbench is arranged below the mould moving and rotating mechanism.
6. The small and medium sand box multi-contact static molding machine according to claim 5, wherein: and a hydraulic power unit is arranged at one end of the base, which is close to the frame.
7. The small and medium sand box multi-contact static molding machine according to claim 6, wherein: four guide rods are arranged below the base, and oil cylinders are arranged among the four guide rods.
8. The small and medium sand box multi-contact static molding machine according to claim 7, wherein: the base is fixedly provided with a support, the support supports a rotary oil cylinder, and the rotary oil cylinder is arranged below the mould moving rotary mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310598210.4A CN116603981A (en) | 2023-05-25 | 2023-05-25 | Multi-contact static pressure molding machine for small and medium sand boxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310598210.4A CN116603981A (en) | 2023-05-25 | 2023-05-25 | Multi-contact static pressure molding machine for small and medium sand boxes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116603981A true CN116603981A (en) | 2023-08-18 |
Family
ID=87685037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310598210.4A Pending CN116603981A (en) | 2023-05-25 | 2023-05-25 | Multi-contact static pressure molding machine for small and medium sand boxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116603981A (en) |
-
2023
- 2023-05-25 CN CN202310598210.4A patent/CN116603981A/en active Pending
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