CN216843192U - Upper gate valve of directional single crystal vacuum precision casting furnace - Google Patents
Upper gate valve of directional single crystal vacuum precision casting furnace Download PDFInfo
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- CN216843192U CN216843192U CN202220533538.9U CN202220533538U CN216843192U CN 216843192 U CN216843192 U CN 216843192U CN 202220533538 U CN202220533538 U CN 202220533538U CN 216843192 U CN216843192 U CN 216843192U
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Abstract
The utility model discloses a gate valve on a directional single crystal vacuum precision casting furnace, which comprises a control valve seat, wherein the top end and the bottom end of the middle part of the control valve seat are fixedly connected with ribs, the inside of one side of the control valve seat is provided with a through groove, the inside of the control valve seat is movably connected with a valve plate, one side of the valve plate is connected with a control valve rod through a thread, the outside of one side of the control valve rod is movably connected with a control cylinder, one side of the control cylinder is fixedly connected with a cylinder base, the insides of four corners of the cylinder base are respectively provided with a base fixing rod, one end of the base fixing rod is connected with an adapter, one side of the control valve seat is fixedly connected with a valve seat connecting seat, the top of one side of the control valve seat is provided with a feeding hatch, the bottom of one side of the control valve seat is provided with a smelting chamber feeding port, the utility model controls the on-off condition of the through the valve plate, the through groove on one side of the control valve seat, the smelting furnace does not need to pause work, the raw materials can be added into the smelting furnace, so that the continuous casting work is ensured, the time is greatly saved, and the cost is reduced.
Description
Technical Field
The utility model relates to a vacuum melting furnace technical field, more specifically say, the utility model relates to a push-pull valve on directional single crystal vacuum precision casting stove.
Background
With the progress of the technology of the casting furnace, a medium frequency induction furnace is utilized to smelt metal into liquid meeting certain requirements, the liquid is poured into a casting mold, a casting with preset shape, size and performance is obtained after cooling, solidification and cleaning treatment, a casting blank is formed in one step, a machining part is omitted, cost is reduced, efficiency is improved, the interior of the casting furnace is generally in a vacuum form, air is prevented from being mixed in casting liquid in the production process, the structural strength of the casting part is guaranteed, a vacuum smelting furnace generally comprises a directional furnace, a single crystal furnace and the like, the single crystal furnace is mainly used for production and processing work of laser crystals, and the directional furnace is widely used in the field of metallurgy.
After a casting is cast by quantitative metal in the conventional vacuum melting furnace, the furnace needs to be stopped to add materials into the casting furnace again, and after the charging operation is finished, argon needs to be replenished again and the vacuumizing operation is performed, so that the consumed time is long, the production efficiency is low, and the cost is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects of the prior art, the utility model provides an upper gate valve of a directional single crystal vacuum precision casting furnace, the utility model aims to solve the technical problem that: when feeding, the existing vacuum melting furnace needs to be shut down to add materials, and after feeding work is finished, argon is supplemented and vacuum pumping is carried out, so that the consumed time is long, and the production efficiency is low.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a push-pull valve on directional single crystal vacuum precision casting furnace, includes the control disk seat, the equal fixedly connected with rib in top and the bottom at control disk seat middle part, logical groove has been seted up to the inside of control disk seat one side, the inside swing joint of control disk seat has the valve plate, one side threaded connection of valve plate has the control valve rod, the outside swing joint of control valve rod one side has the control cylinder, the top of control disk seat one side is provided with reinforced hatch, the bottom of control disk seat one side is provided with smelts the room feed inlet.
In a preferred embodiment, the top and the bottom that lead to the groove all are provided with material mouth sealing washer, two material mouth sealing washer longitudinal symmetry installs, is located the top of material mouth sealing washer has cup jointed spacing mount pad, and two spacing mount pads that are located top and bottom carry out fixed connection through the bolt, through the use to material mouth sealing washer and spacing mount pad, can be sealed with the clearance of reinforced hatch and control valve seat and between smelting room feed inlet and the control valve seat, avoid outside gas to get into in the vacuum environment.
In a preferred embodiment, a fixing nut is screwed to the outside of one side of the control valve rod, and one side of the fixing nut is attached to one side of the valve plate.
In a preferred embodiment, one side fixedly connected with cylinder base of control cylinder, the inside of four corners of cylinder base all is provided with the base dead lever, the one end threaded connection of base dead lever has the adapter, one side fixedly connected with disk seat connecting seat of control disk seat, one side fixedly connected with sealing washer seal seat of disk seat connecting seat, the adapter carries out fixed connection through bolt and sealing washer seal seat, through the use to base dead lever, cylinder base and adapter, can fix control cylinder in one side of control disk seat, makes things convenient for the control valve rod to stretch out from control cylinder's inside.
In a preferred embodiment, a transfer sealing ring is arranged between the sealing ring sealing seat and the adapter seat, and through the use of the transfer sealing ring, a gap between the adapter seat and the sealing ring sealing seat can be sealed, so that outside air is prevented from entering a vacuum environment from the inside of the control valve seat.
In a preferred embodiment, one side of the control cylinder is provided with a cylinder sealing ring, the cylinder sealing ring is movably sleeved outside the control valve rod, the cylinder sealing ring is located inside one side of the adapter, a connecting point between one side of the control cylinder and the adapter can be sealed through the use of the cylinder sealing ring, and external air can be prevented from entering the inside of the control valve seat through a gap between the control cylinder and the adapter.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a make the control valve rod stretch out or the indentation from control cylinder's inside, can drive the valve plate control and set up the break-make condition in the inside logical groove in control valve seat one side, be convenient for under the condition that needs, add work and the detection achievement of the interior temperature of smelting furnace interior raw materials need not pause smelting furnace work, replenishes argon gas or evacuation again, has saved a large amount of time, has improved production efficiency.
2. The utility model discloses a set up the switching sealing washer between sealing washer seal receptacle and adapter to fix the adapter in one side that the sealing washer sealed the receptacle with the help of the bolt, can seal the clearance between sealing washer seal receptacle and the adapter, simultaneously at a side-mounting cylinder seal circle of control cylinder, the clearance between sealed control cylinder and the adapter can avoid reinforced in-process, outside gas gets into in smelting room feed inlet and the reinforced hatch of via the inside of control valve seat, guarantee reinforced or the temperature measurement in-process vacuum environment in smelting the room.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic view of the expanded structure of the present invention;
fig. 3 is a left side view structure diagram of the present invention;
fig. 4 is a schematic view of the connection structure of the present invention and the control valve rod;
fig. 5 is a schematic view of the connection structure of the valve plate and the control valve seat of the present invention.
The reference signs are: 1. a feed inlet of the smelting chamber; 2. a limiting mounting seat; 3. a charging hatch; 4. a sealing ring of the material opening; 5. a rib; 6. a control valve seat; 7. a valve seat connecting seat; 8. sealing a sealing ring sealing seat; 9. a transfer seat; 10. controlling the cylinder; 11. a base fixing rod; 12. a cylinder base; 13. a through groove; 14. transferring a sealing ring; 15. a valve plate; 16. a cylinder seal ring; 17. a control valve stem; 18. and (5) fixing the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached drawings 1-5 in the specification, the upper gate valve of the directional single crystal vacuum precision casting furnace of the embodiment comprises a control valve seat 6, wherein the top end and the bottom end of the middle part of the control valve seat 6 are fixedly connected with ribs 5, a through groove 13 is formed in one side of the control valve seat 6, the top and the bottom of the through groove 13 are respectively provided with a material opening sealing ring 4, the two material opening sealing rings 4 are installed in an up-and-down symmetrical mode, the top of the material opening sealing ring 4 positioned at the top is sleeved with a limiting installation seat 2, the two limiting installation seats 2 positioned at the top and the bottom are fixedly connected through bolts, gaps between a feeding hatch 3 and the control valve seat 6 and between a feeding port 1 of a smelting chamber and the control valve seat 6 can be sealed through the use of the material opening sealing rings 4 and the limiting installation seats 2, so that external air is prevented from entering a vacuum environment, and a valve plate 15 is movably connected in the control valve seat 6, one side threaded connection of valve plate 15 has control valve rod 17, the outside threaded connection of control valve rod 17 one side has fixation nut 18, one side of fixation nut 18 is laminated mutually with one side of valve plate 15, through the use to fixation nut 18, can be after valve plate 15 is connected with control valve rod 17, make fixation nut 18 closely laminate in one side of the outside of control valve rod 17 and valve plate 15, prevent that valve plate 15 from rotating in the outside of control valve rod 17, the outside swing joint of control valve rod 17 one side has control cylinder 10, the top of control valve seat 6 one side is provided with reinforced hatch 3, the bottom of control valve seat 6 one side is provided with smelts room feed inlet 1.
The implementation scenario is specifically as follows:
when the utility model is used for casting, the smelting furnace is in an open state, one side of the valve plate 15, which is positioned inside the control valve seat 6, cuts off the top and the bottom of the through groove 13, when the smelting furnace needs to be fed with material, firstly, the feeding hatch 3 of the feeding cabin is lifted to the top of the limit mounting seat 2 and is placed down, the bottom end of the feeding hatch 3 is completely attached to the top end of the limit mounting seat 2, the bottom end of the feeding hatch 3 is sealed with the top end of the limit mounting seat 2 by the self weight of the feeding cabin, then, the feeding cabin is vacuumized or filled with argon, after reaching the specified pressure, the control valve rod 17 is received inside the control cylinder 10, the control valve plate 15 opens the access of the through groove 13, after the feeding operation is completed, when the feeding device passes through the through groove 13 from the smelting chamber through the feeding port 1 and rises back to the feeding cabin through the feeding hatch 3, the valve plate 15 closes the through groove 13 again, the connection between the smelting chamber and the charging cabin is cut off, the smelting chamber can be charged into the smelting furnace through the charging hatch 3 under the working state, the charging time of furnace shutdown and charging and argon replenishing or vacuumizing time after charging are reduced, the production efficiency is improved, the use cost is reduced, in addition, the charging cabin and the temperature measuring structure can be switched with each other under the state of not stopping the furnace, an interface entering the smelting chamber can be shared, the integral structure of the smelting furnace is optimized, the external structure of the smelting chamber is reduced, and the risk of sealing leakage and the equipment manufacturing cost are reduced.
Referring to the attached drawings 1-3 of the specification, the upper gate valve of the directional single crystal vacuum precision casting furnace of the embodiment comprises a control cylinder 10, a cylinder base 12 is fixedly connected to one side of the control cylinder 10, base fixing rods 11 are arranged inside four corners of the cylinder base 12, one end of each base fixing rod 11 is in threaded connection with an adapter 9, a valve seat connecting seat 7 is fixedly connected to one side of a control valve seat 6, a sealing ring sealing seat 8 is fixedly connected to one side of the valve seat connecting seat 7, a switching sealing ring 14 is arranged between each sealing ring sealing seat 8 and each adapter 9, through the use of the switching sealing ring 14, a gap between each adapter 9 and each sealing ring sealing seat 8 can be sealed, external air is prevented from entering a vacuum environment through the inside of the control valve seat 6, each adapter 9 is fixedly connected with each sealing ring sealing seat 8 through bolts, and through the base fixing rods 11, The use of cylinder base 12 and adapter 9, can fix control cylinder 10 in one side of control disk seat 6, make things convenient for control valve rod 17 to stretch out from the inside of control cylinder 10, one side of control cylinder 10 is provided with cylinder seal 16, cylinder seal 16 activity cup joints the outside at control valve rod 17, cylinder seal 16 is located the inside of adapter 9 one side, through the use to cylinder seal 16, can seal control cylinder 10 one side and adapter 9's tie point, can prevent that the external gas from getting into control valve seat 6's inside by the clearance between control cylinder 10 and the adapter 9.
The implementation scenario is specifically as follows:
in the using process of the utility model, one end of the control valve rod 17 is connected with the valve plate 15 by screw thread, the adapter 9 sleeved outside the control valve rod 17 is fixedly connected with the seal seat 8 by bolts, the gap between the seal seat 8 and the adapter 9 can be sealed by the adapter seal ring 14 arranged between the seal seat 8 and the adapter 9, the external gas can enter the feed inlet 1 and the feed hatch 3 of the smelting chamber through the inside of the control valve seat 6 in the feeding process, then one side of the control cylinder 10 is inserted in the adapter 9, the gap between the control cylinder 10 and the adapter 9 is sealed by the cylinder seal ring 16, the vacuum environment can not be damaged in the feeding or temperature measuring process, finally, four base fixing rods 11 are respectively passed through the insides of four corners of the cylinder base 12 to be connected with the adapter 9 by screw thread, the control cylinder 10 can be fixed on one side of the control valve seat 6, and the operation is simple and convenient.
And finally: the above is a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a push-pull valve on directional single crystal vacuum precision casting stove which characterized in that: including control disk seat (6), the top and the equal fixedly connected with rib (5) in bottom at control disk seat (6) middle part, logical groove (13) have been seted up to the inside of control disk seat (6) one side, the inside swing joint of control disk seat (6) has valve plate (15), one side threaded connection of valve plate (15) has control valve rod (17), the outside swing joint of control valve rod (17) one side has control cylinder (10), the top of control disk seat (6) one side is provided with reinforced hatch (3), the bottom of control disk seat (6) one side is provided with smelts room feed inlet (1).
2. The upper gate valve of the directional single crystal vacuum precision casting furnace according to claim 1, characterized in that: the top and the bottom that lead to groove (13) all are provided with material mouth sealing washer (4), two material mouth sealing washer (4) longitudinal symmetry installs, is located the top of material mouth sealing washer (4) has cup jointed spacing mount pad (2), and two spacing mount pads (2) that are located top and bottom carry out fixed connection through the bolt.
3. The upper gate valve of the directional single crystal vacuum precision casting furnace according to claim 1, characterized in that: the external thread on one side of the control valve rod (17) is connected with a fixing nut (18), and one side of the fixing nut (18) is attached to one side of the valve plate (15).
4. The upper gate valve of the directional single crystal vacuum precision casting furnace according to claim 1, characterized in that: one side fixedly connected with cylinder base (12) of control cylinder (10), the inside of four corners of cylinder base (12) all is provided with base dead lever (11), the one end threaded connection of base dead lever (11) has adapter (9), one side fixedly connected with disk seat connecting seat (7) of control disk seat (6), one side fixedly connected with sealing washer seal seat (8) of disk seat connecting seat (7), adapter (9) seal seat (8) through bolt and sealing washer and carry out fixed connection.
5. The upper gate valve of the directional single crystal vacuum precision casting furnace according to claim 4, characterized in that: and a switching sealing ring (14) is arranged between the sealing ring sealing seat (8) and the switching seat (9).
6. The upper gate valve of the directional single crystal vacuum precision casting furnace according to claim 4, characterized in that: one side of the control cylinder (10) is provided with a cylinder sealing ring (16), the cylinder sealing ring (16) is movably sleeved outside the control valve rod (17), and the cylinder sealing ring (16) is located inside one side of the adapter seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220533538.9U CN216843192U (en) | 2022-03-11 | 2022-03-11 | Upper gate valve of directional single crystal vacuum precision casting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220533538.9U CN216843192U (en) | 2022-03-11 | 2022-03-11 | Upper gate valve of directional single crystal vacuum precision casting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216843192U true CN216843192U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220533538.9U Active CN216843192U (en) | 2022-03-11 | 2022-03-11 | Upper gate valve of directional single crystal vacuum precision casting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216843192U (en) |
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2022
- 2022-03-11 CN CN202220533538.9U patent/CN216843192U/en active Active
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