CN114210951A - Flange device of liquid lifting pipe - Google Patents
Flange device of liquid lifting pipe Download PDFInfo
- Publication number
- CN114210951A CN114210951A CN202111568828.3A CN202111568828A CN114210951A CN 114210951 A CN114210951 A CN 114210951A CN 202111568828 A CN202111568828 A CN 202111568828A CN 114210951 A CN114210951 A CN 114210951A
- Authority
- CN
- China
- Prior art keywords
- flange plate
- flange
- middle pipe
- central hole
- pipe sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 239000011810 insulating material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 31
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- -1 and finally Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The liquid lifting pipe is clamped between the flange plate and the liquid lifting pipe flange plate, and the flange plate and the liquid lifting pipe flange plate are fixed together through screws; the outer diameter surface of the middle pipe sleeve is provided with a middle pipe sleeve step, the middle pipe sleeve is inserted and sleeved in the central hole of the flange plate, and the middle pipe sleeve step is pressed on the step of the central hole of the flange plate; the central hole of the middle pipe sleeve is in a shape which is gradually reduced from top to bottom, and the middle pipe is inserted and sleeved in the central hole of the middle pipe sleeve; the upper opening of the middle pipe is inverted-V-shaped, and the lower surface of the flange plate is provided with a ventilation groove. An intermediate pipe sleeve is additionally arranged between the flange plate and the intermediate pipe, so that the heat energy loss of the intermediate pipe can be prevented, and the intermediate pipe is easy to take down when a mould is replaced, and is convenient for next production. The middle pipe of the device can not break the casting gate, which is beneficial to improving the quality of casting products.
Description
Technical Field
The invention relates to the technical field of casting, in particular to a flange plate device for a riser tube of a casting machine.
Background
The flange plate device of the lift tube of the existing casting machine is characterized in that a middle tube is inserted and sleeved on a flange plate, and the lift tube is inserted and sleeved in the middle tube. The disadvantages are as follows: 1. after the casting and die changing, the intermediate pipe needs to be taken down from the flange for maintenance, but during casting, because the intermediate pipe is easily attached to the flange tightly in a high-temperature environment and is not easy to take down, inconvenience is brought to next production. 2. As shown in fig. 2, the upper opening a1 of the central hole of the existing intermediate pipe a is in a regular-splayed shape, so that when the casting B in the mold is cooled, the lower part of the casting B extends into the intermediate pipe a, and when the mold is stripped, the lower part of the casting B is easily blocked by the upper opening a1, so that a pulling force is generated on the casting B, and when the mold is stripped, the casting still has a high temperature above 350 ℃, and the casting is slightly deformed by the pulling force, so that the structural strength of the casting is affected. Or the sprue part of the casting B is broken to cause sprue blockage or the section area of the sprue is reduced, so that the next mold filling is influenced, and if the sprue is broken, a filter screen of the next mold is not placed flatly, so that the defect in a slag notch is caused. 3. The lift pipe and the flange plate are combined tightly, when the lift pipe flange plate and the middle sealing gasket are damaged, compressed air can enter the space between the lift pipe and the flange plate, if the part of gas can not be discharged, the part of gas can enter a lift system along the gap between the lift pipe and the flange plate, so that the part of gas enters aluminum liquid, and finally, gas hole defects are formed in a casting to influence the quality of the casting.
Disclosure of Invention
The invention aims to provide a riser tube flange plate device aiming at the defects of the prior art, and the riser tube flange plate device is characterized in that an intermediate tube sleeve is additionally arranged between a flange plate and an intermediate tube, so that the heat energy loss of the intermediate tube can be prevented, and the intermediate tube is easy to take down after casting is completed, thereby facilitating the next production. The upper opening of the middle pipe of the mould is splayed, so that the middle pipe can not generate blocking force on the casting when the mould is drawn. The lower surface of the flange plate is provided with a ventilation groove, so that residual gas at the middle pipe can be fully discharged, and the quality of a casting is improved.
The technical solution of the invention is as follows:
the riser tube flange plate device comprises a flange plate, a riser tube and a riser tube flange plate, wherein a flange plate central hole step is formed on the inner wall of a flange plate central hole of the flange plate, and the flange plate central hole is in a shape gradually reduced from top to bottom; the riser tube is clamped between the flange plate and the riser tube flange plate, and the flange plate and the riser tube flange plate are fixed together through screws; the outer diameter surface of the middle pipe sleeve is provided with a middle pipe sleeve step, the middle pipe sleeve is inserted and sleeved in the central hole of the flange plate, and the middle pipe sleeve step is pressed on the step of the central hole of the flange plate;
the central hole of the middle pipe sleeve is in a shape which is gradually reduced from top to bottom, and the middle pipe is inserted and sleeved in the central hole of the middle pipe sleeve;
the upper opening of the middle pipe is inverted-V-shaped, and the lower surface of the flange plate is provided with a ventilation groove.
The outer diameter surface of the middle pipe is in a shape of gradually reducing from top to bottom.
A gap of 0.1-0.5 mm exists between the outer diameter surface of the middle pipe sleeve below the step of the middle pipe sleeve and the inner wall of the central hole of the flange plate, and the middle pipe sleeve is made of heat insulating materials.
And a plurality of screw fixing holes are formed in the flange plate.
Six ventilation grooves are uniformly distributed on the lower surface of the flange plate.
The invention has the beneficial effects that:
1. an intermediate pipe sleeve is additionally arranged between the flange plate and the intermediate pipe, so that the heat energy loss of the intermediate pipe can be prevented, and the intermediate pipe is easy to take down after casting is completed and is convenient for next production.
2. The upper opening of the middle pipe of the mould is splayed, so that the middle pipe can not generate blocking force on the casting when the mould is drawn.
3. The lower surface of the flange plate is provided with a ventilation groove, so that residual gas at the middle pipe can be fully discharged, and the quality of a casting is improved.
Drawings
FIG. 1 is a schematic view of a prior art intermediate tube in engagement with a casting;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the flange, intermediate tube and intermediate sleeve portions of FIG. 2;
FIG. 4 is a schematic view of the flange;
FIG. 5 is a schematic view of the construction of the intermediate tube of the present invention in cooperation with a casting;
fig. 6 is a schematic diagram of the principle of venting of the vent slot.
The invention has a structure schematic diagram.
In the figure: 1. a flange plate; 11. a step of a central hole of the flange plate; 12. a central hole of the flange plate; 13. a screw fixing hole; 2. an intermediate pipe; 3. an intermediate pipe sleeve; 31. a middle pipe sleeve step; 32. a central hole of the intermediate pipe sleeve; 4. a riser tube; 5. a flange of the riser.
Detailed Description
Example (b): as shown in fig. 2 to 5, the riser tube flange device comprises a flange 1, a riser tube 4 and a riser tube flange 5, wherein a flange central hole step 11 is formed on the inner wall of a flange central hole 12 of the flange 1, and the flange central hole 12 is in a shape gradually reduced from top to bottom; the riser tube 4 is clamped between the flange plate 1 and the riser tube flange plate 5, and the flange plate 1 and the riser tube flange plate 5 are fixed together through screws; an intermediate pipe sleeve step 31 is formed on the outer diameter surface of the intermediate pipe sleeve 3, the intermediate pipe sleeve 3 is inserted in the flange plate central hole 12 of the flange plate 1, and the intermediate pipe sleeve step 31 is pressed on the flange plate central hole step 11;
the middle pipe sleeve central hole 32 of the middle pipe sleeve 3 is in a shape which is gradually reduced from top to bottom, and the middle pipe 2 is inserted in the middle pipe sleeve central hole 32;
the upper opening 21 of the middle pipe 2 is inverted-V-shaped, and the lower surface of the flange plate 1 is provided with a ventilation groove 14.
The outer diameter surface of the middle pipe 2 is in a shape of gradually reducing from top to bottom.
A gap of 0.1-0.5 mm exists between the outer diameter surface of the middle pipe sleeve 3 below the step 31 of the middle pipe sleeve and the inner wall of the central hole 12 of the flange plate, and the middle pipe sleeve 3 is made of heat insulating materials.
And a plurality of screw fixing holes 13 are formed in the flange plate 1.
Six ventilation grooves 14 are uniformly distributed on the lower surface of the flange plate 1.
The working principle is as follows: in the prior art, the intermediate pipe is directly inserted and sleeved on the flange plate, and the heated intermediate pipe and the flange plate are easily and tightly attached together, so that the intermediate pipe is not easy to take down for maintenance.
The intermediate pipe is also made of alloy material, and after the intermediate pipe is heated, the heat energy of the aluminum liquid in the riser pipe is easily transmitted to the flange plate from the intermediate pipe and then dissipated by the flange plate. The invention utilizes the intermediate pipe sleeve 3 made of heat insulating material to insulate the intermediate pipe 2 and the flange plate 1, thus reducing the loss of heat energy and saving heat energy. The intermediate pipe sleeve 3 can be made of ceramic heat insulating material.
As shown in figure 6, the aluminum liquid in the riser tube 4 enters the mould through the intermediate tube 2, most of the gas can be discharged from a designed gas outlet on the mould, and as the pressure in the riser tube and the intermediate tube is higher when the aluminum liquid enters the mould, a little of bubbles Q can penetrate out from the joint of the riser tube 4 and the riser tube flange 5 and then enter the intermediate tube again from the joint of the intermediate tube and the riser tube, so that the aluminum liquid in the intermediate tube easily contains bubbles, and the quality of a casting is influenced. The invention arranges the ventilation groove 14 on the lower surface of the flange plate 1, so that the gas which is permeated from the joint of the riser tube 4 and the riser tube flange plate 5 can be discharged from the ventilation groove 14, thereby ensuring the quality of the casting.
As shown in figure 5, after the casting B is cooled, the lower part of the casting extends into the upper opening 21 of the middle pipe 2, and because the upper opening 21 of the middle pipe 2 is inverted-V-shaped, when the mould is lifted, the middle pipe cannot generate blocking force on the casting, so that the quality of the casting is ensured.
Claims (5)
1. The flange plate device of the liquid lifting pipe comprises a flange plate (1), a liquid lifting pipe (4) and a liquid lifting pipe flange plate (5), wherein a flange plate central hole step (11) is formed on the inner wall of a flange plate central hole (12) of the flange plate (1), and the flange plate central hole (12) is in a shape gradually reduced from top to bottom; the liquid lifting pipe (4) is clamped between the flange (1) and the flange (5) of the liquid lifting pipe, and the flange (1) and the flange (5) of the liquid lifting pipe are fixed together through screws; the method is characterized in that: an intermediate pipe sleeve step (31) is formed on the outer diameter surface of the intermediate pipe sleeve (3), the intermediate pipe sleeve (3) is inserted in a flange central hole (12) of the flange (1), and the intermediate pipe sleeve step (31) is pressed on the flange central hole step (11);
the middle pipe sleeve central hole (32) of the middle pipe sleeve (3) is in a shape which is gradually reduced from top to bottom, and the middle pipe (2) is inserted and sleeved in the middle pipe sleeve central hole (32);
the upper opening (21) of the middle pipe (2) is inverted-V-shaped, and the lower surface of the flange plate (1) is provided with a ventilation groove (14).
2. A riser tube flange fitting as set forth in claim 1 wherein: the outer diameter surface of the middle pipe (2) is in a shape of gradually reducing from top to bottom.
3. A riser tube flange fitting as set forth in claim 1 wherein: a gap of 0.1-0.5 mm exists between the outer diameter surface of the middle pipe sleeve (3) below the step (31) of the middle pipe sleeve and the inner wall of the central hole (12) of the flange plate, and the middle pipe sleeve (3) is made of heat insulating materials.
4. A riser tube flange fitting as set forth in claim 1 wherein: the flange plate (1) is provided with a plurality of screw fixing holes (13).
5. A riser tube flange fitting as set forth in claim 1 wherein: six ventilation grooves (14) are uniformly distributed on the lower surface of the flange plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111568828.3A CN114210951A (en) | 2021-12-21 | 2021-12-21 | Flange device of liquid lifting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111568828.3A CN114210951A (en) | 2021-12-21 | 2021-12-21 | Flange device of liquid lifting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114210951A true CN114210951A (en) | 2022-03-22 |
Family
ID=80704633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111568828.3A Pending CN114210951A (en) | 2021-12-21 | 2021-12-21 | Flange device of liquid lifting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114210951A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2748008A1 (en) * | 1977-10-26 | 1979-05-31 | Buescher Kg | Pressure-operated elevator tube raising liq. metal for casting - is made of gas-permeable refractory |
| GB1595732A (en) * | 1977-01-28 | 1981-08-19 | Buscher Kg | Pouring tubes for casting metals under gas pressure |
| CN104889365A (en) * | 2015-06-09 | 2015-09-09 | 山东豪迈机械科技股份有限公司 | Exhaust unit and method for low-pressure casting with metal mold |
| CN105750528A (en) * | 2016-04-19 | 2016-07-13 | 哈尔滨东安发动机（集团）有限公司 | Sealing structure of riser tube for casting |
| WO2018045809A1 (en) * | 2016-09-07 | 2018-03-15 | 上海华培动力科技股份有限公司 | Adjusted pressure casting method for producing black metal cast |
| CN108044082A (en) * | 2017-12-28 | 2018-05-18 | 安徽东升精密铸钢件有限公司 | A kind of low pressure casting die |
| CN112548071A (en) * | 2020-11-20 | 2021-03-26 | 西安超码科技有限公司 | Metal ceramic composite lift tube and preparation method thereof |
-
2021
- 2021-12-21 CN CN202111568828.3A patent/CN114210951A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1595732A (en) * | 1977-01-28 | 1981-08-19 | Buscher Kg | Pouring tubes for casting metals under gas pressure |
| DE2748008A1 (en) * | 1977-10-26 | 1979-05-31 | Buescher Kg | Pressure-operated elevator tube raising liq. metal for casting - is made of gas-permeable refractory |
| CN104889365A (en) * | 2015-06-09 | 2015-09-09 | 山东豪迈机械科技股份有限公司 | Exhaust unit and method for low-pressure casting with metal mold |
| CN105750528A (en) * | 2016-04-19 | 2016-07-13 | 哈尔滨东安发动机（集团）有限公司 | Sealing structure of riser tube for casting |
| WO2018045809A1 (en) * | 2016-09-07 | 2018-03-15 | 上海华培动力科技股份有限公司 | Adjusted pressure casting method for producing black metal cast |
| CN108044082A (en) * | 2017-12-28 | 2018-05-18 | 安徽东升精密铸钢件有限公司 | A kind of low pressure casting die |
| CN112548071A (en) * | 2020-11-20 | 2021-03-26 | 西安超码科技有限公司 | Metal ceramic composite lift tube and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207451919U (en) | A kind of attachment device of Muffle furnace and feeder sleeve in liquid crystal substrate glass production | |
| CN114210951A (en) | Flange device of liquid lifting pipe | |
| CN204892913U (en) | Take foundry furnace of vacuum stalk | |
| CN110355961A (en) | A kind of side-blown demoulding mechanism of pin plug | |
| CN207479571U (en) | A kind of sealing fixed structure of antigravity casting ceramic lift tube | |
| CN107443674A (en) | A kind of automobile die with temperature control function | |
| CN208146715U (en) | A kind of semicanal part forming mold | |
| CN208991713U (en) | A kind of cast steel ingot mould | |
| US8875776B2 (en) | Method for manufacturing a metal ingot comprising a bore, and associated ingot and molding device | |
| CN210146928U (en) | Mechanical casting mould with cooling function | |
| CN210773434U (en) | Furnace cap device of aluminum trichloride reaction furnace | |
| CN108609838B (en) | Precise profiling softening furnace for optical glass element and optical glass element production system | |
| CN112456764A (en) | Curved glass symmetrical cooling device and cooling method thereof | |
| KR900000785B1 (en) | Apparatus for contineous vertical casting of iron tube | |
| CN220259488U (en) | Aluminum ingot casting protection device | |
| CN218262743U (en) | Water-cooling plasma chemical vapor deposition equipment | |
| CN214582492U (en) | Portable intermediate frequency furnace building die device | |
| CN210689191U (en) | Aluminum melting furnace combustion device convenient for material taking out | |
| CN218985206U (en) | Air brick forming device for refining ladle | |
| CN207900151U (en) | A kind of V methods casting molds | |
| CN112976423B (en) | Gas cap device and combined material preimpregnation material finished piece compression mold | |
| CN216176524U (en) | Molten aluminum quantifying mechanism | |
| CN219861673U (en) | Single crystal furnace and thermal field structure convenient to disassemble and assemble | |
| CN103789492A (en) | Change method of externally-installed and bottom-blown air brick of steel ladle | |
| CN107932890A (en) | A kind of combined hot draw dilatation mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220322 |