CN105964993B - Steel ingot hydraulic stripper apparatus - Google Patents
Steel ingot hydraulic stripper apparatus Download PDFInfo
- Publication number
- CN105964993B CN105964993B CN201610534706.5A CN201610534706A CN105964993B CN 105964993 B CN105964993 B CN 105964993B CN 201610534706 A CN201610534706 A CN 201610534706A CN 105964993 B CN105964993 B CN 105964993B
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- China
- Prior art keywords
- oil
- hydraulic
- hydraulic cylinder
- ingot
- steel ingot
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 64
- 239000010959 steel Substances 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 239000003921 oil Substances 0.000 claims description 82
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 238000007373 indentation Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/04—Handling or stripping castings or ingots
- B22D29/06—Strippers actuated by fluid pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of steel ingot hydraulic stripper apparatus, it includes：Fixture mechanism, it is provided with the fixture head on the edge on clamping ingot mould；Hydraulic mechanism, it is arranged at the top of fixture mechanism；The clutch end of the hydraulic mechanism is provided with big piston, and the big piston vertically stretches out or withdrawn, and is in contact after the big piston stretching with the steel ingot in ingot mould.Steel ingot hydraulic stripper apparatus provided by the invention utilizes fluid mechanics principle, is realized by the active force of mechanism and is fast and safely stripped.The advantages of relative to existing hand ejection, steel ingot hydraulic stripper apparatus provided by the invention has simple in construction, is easy to carry, and saves labour, and security is good.
Description
Technical Field
The invention relates to the technical field of steel-making equipment, in particular to a hydraulic demoulding device for steel ingots.
Background
In steel production and steel-making laboratories, the steel-making process is to pour molten steel into a mold, and to remove the formed steel ingot from the mold after cooling, and there are two types of demolding methods, one is to use a heavy hammer to perform demolding, and the other is to use a press to press out the steel ingot. Of these, the first method, if the ingot and the mould are stuck together and the mould with the ingot is pressed out on a hydraulic press, two problems are emphasized: firstly, one person must pad a steel block or a sledgehammer at the bottom of the steel ingot when the sledgehammer strikes the steel ingot and the steel ingot is discharged, so that the unsafe aspect in the heavy striking process cannot be guaranteed; and secondly, the deformation and accumulation of the steel ingots can be caused in the process of pounding the steel ingots, and the difficulty of mold stripping is increased. In the second method, the pressing of the steel ingot by the press requires a certain time and a complicated process, and requires a plurality of persons to participate.
Disclosure of Invention
In order to solve the technical problem, the invention provides a steel ingot hydraulic demoulding device.
The invention provides a hydraulic demoulding device for steel ingots, which comprises:
a chucking mechanism provided with a chucking head for chucking the upper edge of the ingot mold;
the hydraulic mechanism is arranged at the top of the clamping device mechanism; the power output end of the hydraulic mechanism is provided with a large piston, the large piston extends out or retracts in the vertical direction, and the large piston contacts with a steel ingot in a steel ingot mold after extending out;
the hydraulic mechanism includes: the hydraulic system comprises an oil tank, a large hydraulic cylinder, a small hydraulic cylinder and a driving assembly;
hydraulic oil is arranged inside the oil tank;
the large hydraulic cylinder is provided with the large piston;
the oil discharge port of the large hydraulic cylinder is connected with the oil tank through a first oil pipe; a stop valve is arranged on the first oil pipe;
the small hydraulic cylinder is provided with a small piston;
the oil outlet of the small hydraulic cylinder is connected with the oil suction port of the large hydraulic cylinder through a second oil pipe; the second oil pipe is provided with an oil discharge one-way valve, and the oil discharge one-way valve allows hydraulic oil to flow into the oil suction port of the large hydraulic cylinder from the oil discharge port of the small hydraulic cylinder and is cut off in the reverse direction;
the oil suction port of the small hydraulic cylinder is connected with the oil tank through a third oil pipe, and an oil suction one-way valve is arranged on the third oil pipe and allows hydraulic oil to flow into the oil suction port of the small hydraulic cylinder from the oil tank and is reversely cut off;
the drive assembly includes: a fixed arm, a lever and a column;
the fixed arm is arranged at the top of the fixture mechanism;
the lever is arranged along the horizontal direction, one end of the lever is a free end, the other end of the lever abuts against one vertical surface of the fixed arm, and the other end of the lever is connected with the bottom end of the upright post through a first hinge shaft; the middle part of the lever is hinged with the fixed arm through a second hinge shaft, and the lever can rotate along the vertical direction;
the upright post is arranged along the vertical direction, and the top end of the upright post is hinged with the small piston through a third hinge shaft; the upright post can move along the vertical direction;
the diameter of the large hydraulic cylinder is larger than that of the small hydraulic cylinder.
Further, the chucking head is formed with a chucking notch, the chucking notch including: an arc section adapted to the ingot mould body of the ingot mould, and a straight line section connected to both ends of the arc section.
Further, fixture mechanism still includes: and a fixture frame for supporting the fixture head.
Further, the fixture head is welded with the fixture frame.
The invention provides a hydraulic demoulding device for steel ingots, which realizes quick and safe demoulding by the acting force of a mechanism by utilizing the hydromechanics principle. Compared with the existing manual demoulding, the steel ingot hydraulic demoulding device provided by the invention has the advantages of simple structure, convenience in carrying, labor saving and good safety.
Drawings
Fig. 1 is a schematic structural diagram of a steel ingot hydraulic demoulding device provided by an embodiment of the invention;
3 FIG. 3 2 3 is 3 a 3 sectional 3 top 3 view 3 taken 3 along 3 plane 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3
Fig. 3 is a schematic view of a working state of a steel ingot hydraulic demoulding device provided by an embodiment of the invention;
fig. 4 is a schematic structural diagram of a hydraulic device in a steel ingot hydraulic demoulding device provided by an embodiment of the invention;
FIG. 5 is a schematic view of the structure of an ingot mold with a steel ingot;
FIG. 6 is a schematic view of the structure of an ingot mold;
fig. 7 is a schematic view of the structure of the steel ingot separated from the ingot mold.
Description of reference numerals:
1-a fixture head; 2-a fixture frame; 3-a fixture mechanism; 4-a hydraulic device; 5-erecting a rod; 6-a fixed arm; 7-a second hinge shaft; 8-a lever; 9-a first hinge shaft; 10-upper edge of ingot mould; 11-a steel ingot mould body; 12-ingot mold lower edge; 13-steel ingot; 14-a third hinge shaft; 15-small piston; 16-small hydraulic cylinder; 17-a third tubing; 18-a second tubing; 19-an oil suction one-way valve; 20-oil discharge one-way valve; 22-a fuel tank; 23-hydraulic oil; 24-large piston; 25-large hydraulic cylinder; 26-a first tubing; 27-stop valve.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In a specific embodiment, the invention provides a hydraulic demoulding device for steel ingots. Referring to fig. 1 to 4, the structure of a hydraulic ingot stripping device according to an embodiment of the present invention is shown. This steel ingot hydraulic pressure shedder includes:
a chucking mechanism 3 provided with a chucking head 1 for chucking the upper edge 10 of the ingot mold;
the hydraulic mechanism is arranged at the top of the clamping device mechanism 3; a large piston 24 is arranged at the power output end of the hydraulic mechanism, the large piston 24 extends out or retracts in the vertical direction, and the large piston 24 contacts with the steel ingot 13 in the steel ingot mold after extending out (see fig. 3);
referring to fig. 4, the hydraulic mechanism includes: oil tank 22, large hydraulic cylinder 25, small hydraulic cylinder 16, and drive assembly; wherein,
hydraulic oil 23 is arranged in the oil tank 22;
the large hydraulic cylinder 25 is provided with the above-described large piston 24;
the oil discharge port of the large hydraulic cylinder 25 is connected with the oil tank 22 through a first oil pipe 26; a stop valve 27 is arranged on the first oil pipe 26;
the small hydraulic cylinder 16 is provided with a small piston 15;
the oil discharge port of the small hydraulic cylinder 16 is connected with the oil suction port of the large hydraulic cylinder 25 through a second oil pipe 18; the second oil pipe 18 is provided with an oil discharge one-way valve 20, and the oil discharge one-way valve 20 allows hydraulic oil to flow from the oil discharge port of the small hydraulic cylinder 16 to the oil suction port of the large hydraulic cylinder 25 and is cut off in the opposite direction; namely, the free oil inlet of the oil discharge one-way valve 20 is arranged close to the oil discharge port of the small hydraulic cylinder 16, and the free oil discharge port is arranged close to the oil suction port of the large hydraulic cylinder 25;
the oil suction port of the small hydraulic cylinder 16 is connected with the oil tank 22 through a third oil pipe 17, the third oil pipe 17 is provided with an oil suction one-way valve 19, and the oil suction one-way valve 19 allows hydraulic oil 23 to flow into the oil suction port of the small hydraulic cylinder 16 from the oil tank 22 and is reversely cut off; namely, the free oil inlet of the oil suction one-way valve 19 is arranged close to the oil tank 22, and the free oil outlet is arranged close to the oil suction port of the small hydraulic cylinder 16;
the above-mentioned drive assembly includes: a fixed arm 6, a lever 8 and a column;
the fixed arm 6 is arranged at the top of the fixture mechanism 3;
the lever 8 is arranged along the horizontal direction, one end of the lever 8 is a free end, the other end of the lever abuts against one vertical surface of the fixed arm 6, and the other end of the lever 8 is connected with the bottom end of the upright post through a first hinge shaft 9; the middle part of the lever 8 is hinged with the fixed arm 6 through a second hinge shaft 7, and the lever 8 can rotate along the vertical direction;
the upright column is arranged along the vertical direction, and the top end of the upright column is hinged with a small piston 15 through a third hinge shaft 14; the upright post can move along the vertical direction;
the diameter of the large hydraulic cylinder 25 is larger than that of the small hydraulic cylinder 16.
In the hydraulic steel ingot demolding device provided by the embodiment, the clamping mechanism 3 is used for clamping the steel ingot mold so as to limit the steel ingot mold. The hydraulic mechanism is used for applying a downward acting force on the steel ingot in the steel ingot mold so as to realize the demolding of the steel ingot.
Please refer to fig. 5 to 7, which show the structure of the ingot mould and ingot 13. Wherein, the ingot mould includes from top to bottom in proper order: an upper ingot mould edge 10, a steel ingot mould body 11 and a lower ingot mould edge 12. The upper edge 10 and the lower edge 12 of the ingot mold are structures protruding outward relative to the ingot mold body 11.
The working principle of the hydraulic steel ingot demolding device provided by the embodiment is as follows:
after the molten steel is poured, a steel ingot 13 is left in the steel ingot mold body 11, when demolding is needed, the fixture frame 2 is arranged on the steel ingot mold body 11, the steel ingot mold is clamped on the fixture head 1, and a large piston 24 of the hydraulic device 4 extends into the fixture frame 2 to prop against the steel ingot. When the end of the lever 8 is held by hand to move up and down, the vertical rod 5 moves up and down due to the action of the lever 8. The small piston 15 moves up and down relative to the small hydraulic cylinder 16 due to the up and down movement of the upright 5. When the small piston 15 moves upwards, the oil suction one-way valve 19 is opened, the hydraulic oil 23 enters the small hydraulic cylinder 16 through the third oil pipe 17 and the oil suction one-way valve 19, when the small piston 15 moves downwards relative to the small hydraulic cylinder 16, the oil suction one-way valve 19 is closed, the hydraulic oil 23 in the small hydraulic cylinder 16 enters the large hydraulic cylinder 25 through the second oil pipe 18 and the oil discharge one-way valve 20, because the internal pressure of the continuous liquid is the same, the radius of the small hydraulic cylinder 16 is small, and the radius of the large hydraulic cylinder 25 is large, a small force is applied to the end part of the lever 8 by hand, and a large force is applied to the steel ingot when the large piston 24 moves upwards, so that the steel ingot and the steel ingot mold body 11 are separated by the large force, (FIG. 7 is a diagram after the steel ingot 13 is separated from the steel ingot mold by the hydraulic mold stripping device), the mold stripping function is realized, after the mold stripping is finished, the stop valve 27 is opened, and a pushing force is applied to the, then the stop valve 27 is closed and the portable steel ingot hydraulic demoulding device enters the state to be worked again.
Referring to fig. 2, in detail, the above-described chucking head 1 is preferably formed with a chucking notch including: an arc section matched with the steel ingot mould body 11 of the steel ingot mould, and a straight line section connected with two ends of the arc section.
The chucking mechanism 3 preferably further includes: a chucking frame 2 supporting the chucking head 1. The hydraulic device and the fixing arm 6 are both arranged at the top of the fixture frame 2.
Further, to improve the connection strength, the jig head 1 is welded to the jig frame 2.
According to the hydraulic demoulding device for the steel ingot, the hydraulic demoulding device for the steel ingot is capable of realizing quick and safe demoulding by the acting force of the mechanism by utilizing the fluid mechanics principle. Compared with the existing manual demoulding, the steel ingot hydraulic demoulding device provided by the invention has the advantages of simple structure, convenience in carrying, labor saving and good safety.
The steel ingot hydraulic demoulding device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (4)
1. A steel ingot hydraulic pressure shedder, its characterized in that includes:
a chucking mechanism provided with a chucking head for chucking the upper edge of the ingot mold;
the hydraulic mechanism is arranged at the top of the clamping device mechanism; the power output end of the hydraulic mechanism is provided with a large piston, the large piston extends out or retracts in the vertical direction, and the large piston contacts with a steel ingot in a steel ingot mold after extending out;
the hydraulic mechanism includes: the hydraulic system comprises an oil tank, a large hydraulic cylinder, a small hydraulic cylinder and a driving assembly;
hydraulic oil is arranged inside the oil tank;
the large hydraulic cylinder is provided with the large piston;
the oil discharge port of the large hydraulic cylinder is connected with the oil tank through a first oil pipe; a stop valve is arranged on the first oil pipe;
the small hydraulic cylinder is provided with a small piston;
the oil outlet of the small hydraulic cylinder is connected with the oil suction port of the large hydraulic cylinder through a second oil pipe; the second oil pipe is provided with an oil discharge one-way valve, and the oil discharge one-way valve allows hydraulic oil to flow into the oil suction port of the large hydraulic cylinder from the oil discharge port of the small hydraulic cylinder and is cut off in the reverse direction;
the oil suction port of the small hydraulic cylinder is connected with the oil tank through a third oil pipe, and an oil suction one-way valve is arranged on the third oil pipe and allows hydraulic oil to flow into the oil suction port of the small hydraulic cylinder from the oil tank and is reversely cut off;
the drive assembly includes: a fixed arm, a lever and a column;
the fixed arm is arranged at the top of the fixture mechanism;
the lever is arranged along the horizontal direction, one end of the lever is a free end, the other end of the lever abuts against one vertical surface of the fixed arm, and the other end of the lever is connected with the bottom end of the upright post through a first hinge shaft; the middle part of the lever is hinged with the fixed arm through a second hinge shaft, and the lever can rotate along the vertical direction;
the upright post is arranged along the vertical direction, and the top end of the upright post is hinged with the small piston through a third hinge shaft; the upright post can move along the vertical direction;
the diameter of the large hydraulic cylinder is larger than that of the small hydraulic cylinder.
2. A hydraulic ingot stripper as claimed in claim 1, wherein the clip head is formed with a clip indentation comprising: an arc section adapted to the ingot mould body of the ingot mould, and a straight line section connected to both ends of the arc section.
3. A hydraulic ingot stripper as defined in claim 1, wherein the fixture mechanism further comprises: and a fixture frame for supporting the fixture head.
4. An ingot hydraulic demolding device as claimed in claim 3, wherein the jig head is welded to the jig frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534706.5A CN105964993B (en) | 2016-07-07 | 2016-07-07 | Steel ingot hydraulic stripper apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534706.5A CN105964993B (en) | 2016-07-07 | 2016-07-07 | Steel ingot hydraulic stripper apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105964993A CN105964993A (en) | 2016-09-28 |
| CN105964993B true CN105964993B (en) | 2018-03-02 |
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ID=56951364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610534706.5A Active CN105964993B (en) | 2016-07-07 | 2016-07-07 | Steel ingot hydraulic stripper apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105964993B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107952951B (en) * | 2017-11-22 | 2019-10-08 | 东北大学 | A kind of induction furnace steel ingot stripper apparatus and its application method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU700283A1 (en) * | 1978-06-15 | 1979-11-30 | Государственный Днепропетровский Завод Металлургического Оборудования | Device for removal ingot from mould |
| CN1028728C (en) * | 1992-04-04 | 1995-06-07 | 太原重型机器厂 | Ground steel ingot stripping machine |
| CN2179219Y (en) * | 1994-01-28 | 1994-10-12 | 本溪钢铁公司 | Hydraulic ingot stripper |
| CN204770612U (en) * | 2015-06-12 | 2015-11-18 | 临汾通泽铸锻有限公司 | Steel ingot stripper |
| CN205187742U (en) * | 2015-11-24 | 2016-04-27 | 哈尔滨通用液压机械制造有限公司 | Hydraulic jack structure |
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2016
- 2016-07-07 CN CN201610534706.5A patent/CN105964993B/en active Active
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| CN105964993A (en) | 2016-09-28 |
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