CN213530730U - Small cover plate crucible sealing device - Google Patents
Small cover plate crucible sealing device Download PDFInfo
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- CN213530730U CN213530730U CN202022198059.XU CN202022198059U CN213530730U CN 213530730 U CN213530730 U CN 213530730U CN 202022198059 U CN202022198059 U CN 202022198059U CN 213530730 U CN213530730 U CN 213530730U
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- cover plate
- crucible
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- apron
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Abstract
The utility model discloses a little apron crucible sealing device belongs to sealing device technical field. The sealing cover plate comprises a sealing cover plate and a cover plate rotating rod, wherein the sealing cover plate comprises an upper end pressing cover and a lower end plugging core, the upper end pressing cover and the lower end plugging core are of an integrated structure, a sealing gasket is sleeved between the upper end pressing cover and the lower end plugging core, a rotating ball groove is fixedly arranged on the upper end surface of the upper end pressing cover, two handles are arranged on the upper end surface of the upper end pressing cover, threads are arranged on the outer side wall of the lower end plugging core, and a thread groove is arranged on the inner wall of a; the longer end department cover of apron dwang is equipped with the swivel, and in the longer end of apron dwang inserted the crucible wall, the shorter end of apron dwang passed through cylinder fixedly connected with commentaries on classics ball, changes the ball and rotates to inlay and locate in changeing the ball inslot. The sealing of the threaded engagement gap of the crucible opening is realized by using the sealing washer on the sealing cover plate, the sealing cover plate is convenient and labor-saving to lift and put down, and the sealing cover plate can be screwed out and in the crucible opening along the vertical direction by taking the rotating ball as the center.
Description
Technical Field
The utility model relates to a little apron crucible sealing device belongs to sealing device technical field.
Background
The low-pressure casting is a casting method in which liquid alloy is pressed into a casting mold cavity from bottom to top under the action of pressure and is solidified under the action of pressure to obtain a casting. Dry compressed air or inert gas is introduced into the sealed crucible, and the molten metal is filled into the casting mold stably from bottom to top through a pouring channel along the riser tube by the aid of pressure acting on the molten metal, wherein the mold filling pressure is 20-60 kPa generally. After the casting is completely solidified, the gas pressure on the liquid surface is released, so that the metal liquid which is not solidified in the riser tube and the pouring gate flows into the crucible by the dead weight, then the casting mould is opened, and the casting is taken out.
In the low-pressure casting process, the sealing performance of the crucible influences whether the procedures of liquid lifting, pressurization, pressure maintaining and the like of molten metal in the crucible can be smoothly carried out, and the sealing performance of the crucible depends on the sealing performance of a crucible sealing device. Crucible sealing device's among the prior art sealed apron and crucible mouth after long-term use, can be because of the crucible takes place the back that deforms, can't seal, and sealed apron exists to dismantle the inconvenient problem of hard operation.
Disclosure of Invention
The utility model discloses the technical problem that will solve lies in: the utility model provides a little apron crucible sealing device, it has solved crucible sealing device after long-term the use, and the crucible takes place the unable sealed crucible mouth of the sealed apron of deformation and sealed apron dismantles inconvenient problem.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a small cover plate crucible sealing device comprises a crucible wall and a crucible opening, the sealing device comprises a sealing cover plate and a cover plate rotating rod, the sealing cover plate comprises an upper end gland and a lower end plugging core, the upper end gland and the lower end plugging core are of an integrated structure, a sealing gasket is sleeved between the upper end gland and the lower end plugging core, a ball rotating groove is fixedly arranged at the central position of the upper end surface of the upper end gland, two handles are symmetrically and fixedly arranged on the upper end surface of the upper end gland in a radial direction, threads are arranged on the outer side wall of the lower end plugging core, and a threaded groove in threaded engagement with the outer side wall of the lower end plugging core is arranged on the inner wall of the crucible;
the apron dwang is L shape structure, and the longer end department cover of apron dwang is equipped with the change, and the change passes through the spiro union with the crucible wall to be fixed, and in the longer end of apron dwang inserted the crucible wall, the shorter end of apron dwang passed through cylinder fixedly connected with commentaries on classics ball, changes the ball and rotates to inlay and locate in the commentaries on classics ball groove.
Preferably, the cylinder includes upper end cover, cylinder, piston rod, spring, lower end cover, and the upper end cover fixed connection of cylinder is to the shorter end of apron dwang, and the piston rod of cylinder stretches out cylinder lower end cover fixed connection to and changes the ball.
Preferably, the area of the upper end gland is larger than that of the lower end plugging core, and the outer diameter of the lower end plugging core is equal to the inner diameter of the crucible opening.
Preferably, the inner diameter of the notch of the ball rotating groove is smaller than the diameter of the ball.
The utility model has the advantages that: the crucible opening is sealed by engaging the outer side wall thread of the sealing core at the lower end of the sealing cover plate with the inner wall thread groove of the crucible opening, and the sealing gasket on the sealing cover plate is used for sealing the gap of thread engagement to realize the sealing of the crucible opening; the sealing cover plate can be conveniently lifted and put down in a labor-saving manner through the air cylinder arranged between the sealing cover plate and the cover plate rotating rod; through the cooperation of the rotating ball and the rotating ball groove, the sealing cover plate can be screwed out and screwed into the crucible opening along the vertical direction by taking the rotating ball as the center.
Drawings
FIG. 1 is a schematic structural view of the sealing cover plate of the present invention screwed out of the crucible opening;
FIG. 2 is a schematic structural view of the sealing cover plate of the present invention screwed into the crucible opening;
FIG. 3 is a schematic top view of the present invention;
in the figure: 110-upper end gland, 120-lower end plugging core, 121-screw thread, 130-sealing washer, 200-ball rotating groove, 300-handle, 400-cover plate rotating rod, 410-rotating ring, 510-upper end cover, 520-cylinder, 530-piston, 540-piston rod, 550-spring, 560-lower end cover, 600-ball, 700-crucible wall, 710-crucible opening, 720-screw thread groove.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
Referring to fig. 1 and 3, a small cover plate crucible sealing device includes a sealing cover plate and a cover plate rotating rod 400, the sealing cover plate includes an upper end gland 110 and a lower end plugging core 120, the upper end gland 110 and the lower end plugging core 120 are of an integrated structure, a sealing washer 130 is sleeved between the upper end gland 110 and the lower end plugging core 120, a ball rotating groove 200 is fixedly arranged at the center of the upper end surface of the upper end gland 110, two handles 300 are symmetrically and fixedly arranged on the upper end surface of the upper end gland 110 in a radial direction, a thread 121 is arranged on the outer side wall of the lower end plugging core 120, and a thread groove 720 meshed with the thread 121 on the outer side wall of the lower end plugging core 120 is arranged on the inner wall of a crucible; apron dwang 400 is L shape structure, and the longer end department cover of apron dwang 400 is equipped with swivel 410, and apron dwang 400 can swivel 410 rotate for rotation center. The rotary ring 410 is fixed with the crucible wall 700 by screw connection, the longer end of the cover plate rotating rod 400 is inserted into the crucible wall 700, the shorter end of the cover plate rotating rod 400 is fixedly connected with a rotary ball 600 by a cylinder, and the rotary ball 600 is rotatably embedded in the rotary ball groove 200. The ball 600 and the ball groove 200 function to allow the sealing cover plate to be screwed out and into the crucible opening 710 in a vertical direction centering on the ball 600.
The cylinder comprises an upper end cover 510, a cylinder barrel 520, a piston 530, a piston rod 540, a spring 550 and a lower end cover 560, wherein the upper end cover 510 of the cylinder is fixedly connected to the shorter end of the cover plate rotating rod 400, and the piston rod 540 of the cylinder extends out of the lower end cover 560 of the cylinder and is fixedly connected to the rotating ball 600. The area of the upper end gland 110 is larger than that of the lower end plugging core 120, and the outer diameter of the lower end plugging core 120 is equal to the inner diameter of the crucible opening 710. The inner diameter of the notch of the ball rotating groove 200 is smaller than the diameter of the ball 600.
The working principle is as follows: when the crucible opening 710 is not sealed, the cylinder contracts, the piston rod 540 lifts the sealing cover plate, the sealing cover plate is suspended above the crucible opening 710, referring to fig. 1, a worker holds the two handles 300 to pull the sealing cover plate downwards to the crucible opening 710, then rotates the sealing cover plate downwards around the rotating ball 600 until the lower-end plugging core 120 completely enters the crucible opening 710, when the sealing washer 130 is in tight contact with the crucible opening 710, the crucible opening 710 is sealed, the cylinder stretches, and the piston rod 540 pushes the sealing cover plate, referring to fig. 2.
When materials are added into the crucible, the cover plate rotating rod 400 can be rotated to enable the sealing cover plate to be far away from the crucible opening 710, so that the materials are more conveniently added; after the material is added, the cover plate rotating rod 400 can be rotated to make the sealing cover plate be positioned on the crucible opening 710.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A small cover plate crucible sealing device is characterized by comprising a sealing cover plate and a cover plate rotating rod, wherein the sealing cover plate comprises an upper end gland and a lower end plugging core, the upper end gland and the lower end plugging core are of an integrated structure, a sealing gasket is sleeved between the upper end gland and the lower end plugging core, a rotating ball groove is fixedly arranged at the center of the upper end surface of the upper end gland, two handles are symmetrically and fixedly arranged in a radial direction of the upper end surface of the upper end gland, threads are arranged on the outer side wall of the lower end plugging core, and a thread groove in threaded engagement with the outer side wall of the lower end plugging core is arranged on the inner wall of a crucible opening;
the apron dwang is L shape structure, and the longer end department cover of apron dwang is equipped with the change, and the change passes through the spiro union with the crucible wall to be fixed, and in the longer end of apron dwang inserted the crucible wall, the shorter end of apron dwang passed through cylinder fixedly connected with commentaries on classics ball, changes the ball and rotates to inlay and locate in the commentaries on classics ball groove.
2. The small cover plate crucible sealing device of claim 1, wherein the cylinder comprises an upper end cover, a cylinder barrel, a piston rod, a spring and a lower end cover, the upper end cover of the cylinder is fixedly connected to the shorter end of the cover plate rotating rod, and the piston rod of the cylinder extends out of the lower end cover of the cylinder and is fixedly connected to the rotating ball.
3. The small cover plate crucible sealing device of claim 1, wherein the area of the upper end gland is larger than the area of the lower end plugging core, and the outer diameter of the lower end plugging core is equal to the inner diameter of the crucible opening.
4. The small cover plate crucible sealing device of claim 1, wherein the inner diameter of the opening of the ball rotating groove is smaller than the diameter of the ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198059.XU CN213530730U (en) | 2020-09-29 | 2020-09-29 | Small cover plate crucible sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198059.XU CN213530730U (en) | 2020-09-29 | 2020-09-29 | Small cover plate crucible sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213530730U true CN213530730U (en) | 2021-06-25 |
Family
ID=76495562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022198059.XU Active CN213530730U (en) | 2020-09-29 | 2020-09-29 | Small cover plate crucible sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213530730U (en) |
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2020
- 2020-09-29 CN CN202022198059.XU patent/CN213530730U/en active Active
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