CN212857666U - Lost foam casting sand box - Google Patents
Lost foam casting sand box Download PDFInfo
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- CN212857666U CN212857666U CN202021584656.XU CN202021584656U CN212857666U CN 212857666 U CN212857666 U CN 212857666U CN 202021584656 U CN202021584656 U CN 202021584656U CN 212857666 U CN212857666 U CN 212857666U
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Abstract
The utility model discloses a lost foam casting sand box, which comprises a sand box main body, an air inlet pipe, an exhaust pipe, a box cover component and an air chamber mechanism, wherein the outer walls of two sides of the sand box main body are provided with the box cover component; the sand box comprises a sand box main body, mounting plates, a first connecting rod, a fixing plate and a second connecting rod, wherein the mounting plates are symmetrically welded on the outer walls of two sides of the sand box main body; the utility model discloses the case lid subassembly that sets up leads to making the protective cover open also more convenient and laborsaving, again with the cooperation of sealing washer, has increased the leakproofness, and the pulley and the lug of setting remove the transportation more convenient, and the air chamber mechanism of setting makes gaseous extraction more even.
Description
Technical Field
The utility model relates to a lost foam casting sand box equipment field specifically is a lost foam casting sand box.
Background
The sand box is key equipment in lost foam casting production, and is divided into a complex sand box, a simple sand box and the like according to different purposes, the complex sand box can enable castings to achieve the most reasonable negative pressure field when the castings are vacuumized in the sand box, so that the full-box castings can be well formed without defects, and the simple sand box can be adopted for some castings with simple shapes and low requirement on the uniformity of the negative pressure field during pouring; mainly designed according to the actual conditions of customers, however, the prior sand box has more complex structure, inconvenient and stable position movement, troublesome opening of the box cover, unstable fixation, loose closing and is not worth to be widely popularized and applied,
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lost foam casting sand box, this case lid subassembly that uses novel setting leads to making the protective cover open also more convenient and laborsaving, again with the cooperation of sealing washer, has increased the leakproofness, and the pulley and the lug of setting remove the transportation more convenient, and the air chamber mechanism of setting makes gaseous extraction more even.
The purpose of the utility model can be realized by the following technical scheme:
the lost foam casting sand box comprises a sand box main body, an air inlet pipe, an air exhaust pipe, a box cover assembly and an air chamber mechanism, wherein the box cover assembly is arranged on the outer walls of two sides of the sand box main body;
the case lid subassembly includes mounting panel, first connecting rod, second connecting rod, first connecting block, spring, second connecting block, fixed plate and protective cover, the symmetrical welding has the mounting panel on the both sides outer wall of sand box main part, it installs first connecting rod to rotate on one side outer wall of mounting panel, it installs the fixed plate to rotate on the top outer wall of first connecting rod, the mounting panel rotates on being located the outer wall of first connecting rod one side and installs the second connecting rod, and the top outer wall of second connecting rod rotates with the fixed plate to be connected, the welding has the second connecting block on one side outer wall of second connecting rod, the welding has the spring on the opposite side outer wall of second connecting block, the other end welding of spring has the second connecting block, and the second connecting block rotates and installs on one side outer wall of mounting panel, the welding has the protective cover on the top outer wall.
As a further aspect of the present invention: the air chamber mechanism comprises an air chamber, air vents and a sand separation net, the air chamber is distributed and installed on the inner wall of the sand box main body, the air vents are distributed and formed in the outer wall of one side of the air chamber, and the sand separation net is fixedly embedded on the inner wall of the air vents.
As a further aspect of the present invention: the bottom outer wall of the protective cover is welded with a sealing ring.
As a further aspect of the present invention: the welding has the handle on one side outer wall of protective cover.
As a further aspect of the present invention: pulleys are fixedly arranged on four corners of the outer wall of the bottom end of the sand box main body in a distributed mode.
As a further aspect of the present invention: lifting lugs are distributed and welded on the outer walls of the two sides of the sand box main body, and the number of the lifting lugs is four.
The utility model has the advantages that: this use case lid subassembly of novel setting, simple structure convenient operation, cooperation through first connecting rod, second connecting rod, first connecting block and spring can be stabilized fixedly to the protective cover, makes the protective cover open also more convenient and laborsaving, again with the cooperation of sealing washer, has increased the leakproofness, the pulley and the lug of setting remove the transportation more convenient, labour saving and time saving, more practical and perfect, the air chamber mechanism of setting makes gaseous extraction more even, is worth extensively popularizing and applying.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is an overall perspective elevation view of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1 according to the present invention;
fig. 3 is a perspective view of the cover assembly of the present invention.
In the figure: 1. a flask main body; 2. a pulley; 3. an air inlet pipe; 4. an air exhaust pipe; 5. lifting lugs; 6. a case lid assembly; 7. an air chamber mechanism; 8. a handle; 9. a seal ring; 61. mounting a plate; 62. a first link; 63. a second link; 64. a first connection block; 65. a spring; 66. a second connecting block; 67. a fixing plate; 68. a protective cover; 71. an air cavity; 72. a vent hole; 73. a sand-separating net.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, an evaporative pattern casting sand box comprises a sand box main body 1, an air inlet pipe 3, an air exhaust pipe 4, a box cover assembly 6 and an air chamber mechanism 7, wherein the box cover assembly 6 is arranged on the outer walls of two sides of the sand box main body 1, the air chamber mechanism 7 is arranged on the inner wall of the sand box main body 1, the air inlet pipe 3 is welded on the outer wall of one side of the sand box main body 1 in a penetrating manner, and the air exhaust pipe 4 is welded on the outer wall of the sand box main body 1 below the; the box cover component 6 comprises a mounting plate 61, a first connecting rod 62, a second connecting rod 63, a first connecting block 64, a spring 65, a second connecting block 66, a fixing plate 67 and a protective cover 68, the mounting plate 61 is symmetrically welded on the outer walls of two sides of the sand box main body 1, the first connecting rod 62 is rotatably mounted on the outer wall of one side of the mounting plate 61, the fixing plate 67 is rotatably mounted on the outer wall of the top end of the first connecting rod 62, the second connecting rod 63 is rotatably mounted on the outer wall of the mounting plate 61 on one side of the first connecting rod 62, the outer wall of the top end of the second connecting rod 63 is rotatably connected with the fixing plate 67, the outer wall of one side of the second connecting rod 63 is welded with a second connecting block 66, the outer wall of the other side of the second connecting block 66 is welded with a spring 65, the other end of the spring 65 is welded with the second connecting block 66, the second connecting block 66 is rotatably mounted on the outer wall of one side of the mounting plate 61, and a protective cover 68 is welded on the outer wall of the top end between the fixing plates 67; the air chamber mechanism 7 comprises an air chamber 71, vent holes 72 and a sand separation net 73, the air chamber 71 is distributed and installed on the inner wall of the sand box main body 1, the vent holes 72 are distributed and opened on the outer wall of one side of the air chamber 71, and the sand separation net 73 is fixedly embedded on the inner wall of the vent holes 72, so that the whole is relatively complete, and molding sand is prevented from entering the air chamber 71; the sealing ring 9 is welded on the outer wall of the bottom end of the protective cover 68, so that the protective cover 68 is tightly closed, and the sealing performance is improved; the handle 8 is welded on the outer wall of one side of the protective cover 68, so that the protective cover 68 is convenient to open and is practical; pulleys 2 are distributed and fixed on four corners of the outer wall of the bottom end of the sand box main body 1, so that the sand box main body 1 can move conveniently; lugs 5 are distributed and welded on the outer walls of the two sides of the sand box main body 1, and the number of the lugs 5 is four, so that the transportation operation is promoted, and the sand box main body is perfect and practical.
The utility model discloses a theory of operation: when in use, the handle 8 is manually operated to push upwards, the handle 8 drives the protective cover 68 to move upwards, the protective cover 68 drives the first connecting rod 62 and the second connecting rod 63 to rotate, because the protecting cover 68 is fixed above the sand box main body 1 under the action of the elastic force of the spring 65, the white mould is conveniently put into the sand box main body 1, then the protecting cover 68 is covered and matched with the sealing ring 9, sealing the sand box main body 1, starting a vacuumizing machine externally connected with an air exhaust pipe 4 to keep the interior of the sand box main body 1 in a negative pressure state, after casting is finished, the vacuum pump continuously pumps out the gas generated after the evaporative pattern is evaporated through the exhaust pipe 4, and in the process of cooling the casting, starting the air inlet pump, introducing air into the air cavity 71 in the sand box main body 1 through the air inlet pipe 3, meanwhile, the vacuum pump continuously works to form circulation with the air exhaust of the vacuum pump, so that the heat of the casting is taken away, and the casting is rapidly cooled.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The lost foam casting sand box is characterized by comprising a sand box main body (1), an air inlet pipe (3), an air exhaust pipe (4), a box cover assembly (6) and an air chamber mechanism (7), wherein the outer walls of two sides of the sand box main body (1) are provided with the box cover assembly (6), the inner wall of the sand box main body (1) is provided with the air chamber mechanism (7), the air inlet pipe (3) is welded on the outer wall of one side of the sand box main body (1) in a penetrating manner, and the air exhaust pipe (4) is welded on the outer wall of the sand box main body (1) below the air inlet pipe (3);
the box cover component (6) comprises a mounting plate (61), a first connecting rod (62), a second connecting rod (63), a first connecting block (64), a spring (65), a second connecting block (66), a fixing plate (67) and a protective cover (68), wherein the mounting plate (61) is symmetrically welded on the outer walls of two sides of the sand box main body (1), the first connecting rod (62) is rotatably installed on the outer wall of one side of the mounting plate (61), the fixing plate (67) is rotatably installed on the outer wall of the top end of the first connecting rod (62), the second connecting rod (63) is rotatably installed on the outer wall of one side of the first connecting rod (62) of the mounting plate (61), the outer wall of the top end of the second connecting rod (63) is rotatably connected with the fixing plate (67), the second connecting block (66) is welded on the outer wall of one side of the second connecting rod (63), and the spring (65) is welded on the, the other end welding of spring (65) has second connecting block (66), and second connecting block (66) rotate and install on one side outer wall of mounting panel (61), the welding has protective cover (68) on the top outer wall between fixed plate (67).
2. The lost foam casting flask according to claim 1, wherein the air chamber mechanism (7) comprises an air chamber (71), vent holes (72) and sand separation nets (73), the air chamber (71) is distributed and installed on the inner wall of the flask main body (1), the vent holes (72) are distributed and installed on the outer wall of one side of the air chamber (71), and the sand separation nets (73) are embedded and fixed on the inner wall of the vent holes (72).
3. A lost foam casting flask according to claim 1, wherein the protective cover (68) has a seal ring (9) welded to the outer wall of the bottom end thereof.
4. A lost foam casting flask as claimed in claim 1, wherein said protective cover (68) has a handle (8) welded to one side of the outer wall.
5. The lost foam casting flask as claimed in claim 1, wherein the four corners of the outer wall of the bottom end of the flask main body (1) are provided with pulleys (2) in a distributed and fixed manner.
6. The lost foam casting flask according to claim 1, wherein the flask main body (1) has four lifting lugs (5) distributed and welded on the outer walls of both sides thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021584656.XU CN212857666U (en) | 2020-08-04 | 2020-08-04 | Lost foam casting sand box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021584656.XU CN212857666U (en) | 2020-08-04 | 2020-08-04 | Lost foam casting sand box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212857666U true CN212857666U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021584656.XU Active CN212857666U (en) | 2020-08-04 | 2020-08-04 | Lost foam casting sand box |
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| CN (1) | CN212857666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894249A (en) * | 2021-08-20 | 2022-01-07 | 山东国耀金属科技有限公司 | Lost foam casting combustion white mold device with vacuum auxiliary mold taking function |
-
2020
- 2020-08-04 CN CN202021584656.XU patent/CN212857666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894249A (en) * | 2021-08-20 | 2022-01-07 | 山东国耀金属科技有限公司 | Lost foam casting combustion white mold device with vacuum auxiliary mold taking function |
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