CN218361951U - Structure convenient to combination sand mould is fixed - Google Patents
Structure convenient to combination sand mould is fixed Download PDFInfo
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- CN218361951U CN218361951U CN202222912091.9U CN202222912091U CN218361951U CN 218361951 U CN218361951 U CN 218361951U CN 202222912091 U CN202222912091 U CN 202222912091U CN 218361951 U CN218361951 U CN 218361951U
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- flask
- connecting portion
- sand mould
- fixing
- cope
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Abstract
The utility model belongs to sand mould field of making provides a structure convenient to combination sand mould is fixed, include: the cope flask to and the drag flask, be equipped with sand mould and lower sand mould in cope flask and the drag flask respectively, the department is connected with first connecting portion and second connecting portion respectively in cope flask and the drag flask internal four corners, and detachable is connected with the dead lever on the second connecting portion, and the dead lever passes first connecting portion and is connected with fastening nut. The utility model discloses fixed structure of combination sand mould adopts the mode that the dead lever was directly increased at cope flask and drag flask, through the fastening nut fastening, has reached the purpose that direction, fastening were connected to cope flask and drag flask to realized that the sand mould assembling is fixed, and the technical effect that is difficult for the skew, and then solved because the metal liquid pours the technical problem that leads to cope flask and drag flask displacement in the sand mould.
Description
Technical Field
The utility model relates to a sand mould field of making especially relates to a structure convenient to combination sand mould is fixed.
Background
The sand casting technology is a casting method for preparing a casting mold by taking sand as a main molding material. Because the sand casting is characterized by self, is not limited by the shape, size, complexity and alloy type of parts, has short production period and low cost, the sand casting is still the most widely applied casting method in casting production, in particular to single-piece or small-batch castings.
In sand casting, workers are generally required to place the cope flask on the drag flask for combination, but the upper flask is often inclined during butt joint, so that the quality of castings is problematic; during casting, the cope flask may be displaced by buoyancy generated by the casting fluid or pressure generated by a large amount of heat, thereby deforming the casting.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a structure convenient to combination sand mould is fixed for solve among the background art metal liquid and pour the technical problem who leads to cope box and drag box displacement in the sand mould.
The utility model provides a technical scheme as follows: a structure for facilitating the fixing of a composite sand mold, comprising: the sand-feeding mechanism comprises a cope flask and a drag flask, wherein the cope flask and the drag flask are internally provided with a cope mold and a drag mold respectively, four corners in the cope flask and the drag flask are connected with a first connecting part and a second connecting part respectively, a fixing rod is detachably connected to the second connecting part, and the fixing rod penetrates through the first connecting part and is connected with a fastening nut.
Furthermore, a threaded hole is formed in the second connecting portion downwards, and one side of the fixing rod is in threaded connection with the threaded hole.
Furthermore, a movable through hole is formed in the first connecting part, and the fixed rod penetrates through the movable through hole; the centers of the movable through hole and the threaded hole are on the same straight line.
Further, fastening nut threaded connection is on the dead lever, and contradicts with the top of first connecting portion.
Furthermore, the end part of the fixed rod on one side of the first connecting part is provided with a polygonal detaching part.
Further, the method also comprises the following steps: and the plug is detachably connected with the threaded hole.
Furthermore, handles are arranged on two sides of the upper sand box and the lower sand box.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model discloses the fixed structure of combination sand mould adopts the mode that directly increases the dead lever at cope flask and drag flask, through the fastening nut fastening, has reached the purpose that direction, fastening are connected to cope flask and drag flask to realized that the sand mould is fixed, and the difficult technological effect that squints, and then solved because the metal liquid pours the technical problem who leads to cope flask and drag flask displacement in the sand mould.
(2) The utility model discloses the fixed structure of combination sand mould through setting up first connecting portion and second connecting portion, not only makes the dead lever be convenient for connect, has reduced the space in first sand box and the second sand box simultaneously, has reduced the molding sand volume of filling, has increased process efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the fixing structure of the combined sand mold of the present invention;
FIG. 2 is a schematic view of the construction of the cope flask of the present invention;
fig. 3 is a schematic structural view of the middle and lower sand boxes of the present invention.
The reference numbers are as follows:
1. cope flask, 2, drag flask, 3, go up sand mould, 4, lower sand mould, 5, first connecting portion, 51, activity through-hole, 6, second connecting portion, 61, screw hole, 7, dead lever, 71, dismantlement portion, 8, fastening nut, 9, handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1-3, the utility model relates to a structure convenient to combination sand mould is fixed, include: the sand mould comprises a cope flask 1 and a drag flask 2, wherein the cope flask 1 and the drag flask 2 are internally provided with a cope mould 3 and a drag mould 4 respectively, four corners in the cope flask 1 and the drag flask 2 are connected with a first connecting part 5 and a second connecting part 6 respectively, the second connecting part 6 is detachably connected with a fixing rod 7, and the fixing rod 7 penetrates through the first connecting part 5 and is connected with a fastening nut 8.
Specifically, a lower sand box 2 is reversely rotated and placed, a pattern is placed in the lower sand box 2, and then sand is filled, tamped and scraped in the lower sand box 2 to prepare a lower sand mold 4; installing each fixing rod 7, reversely rotating the upper sand box 1, placing the upper sand box 1 on the lower sand box 2, placing a pouring gate rod in the upper sand box 1, filling molding sand, tamping and scraping to prepare an upper sand mold 3; taking down the upper sand box 1, taking out the pattern, placing the upper sand box 1 on the lower sand box 2 for mould assembling, respectively connecting the fixing rods 7 to the second connecting parts 6, and connecting the fastening nuts 8 on the fixing rods 7, so that after the upper sand box 1 and the lower sand box 2 are fastened, pouring is carried out; the fixed structure of combination sand mould of this embodiment adopts the mode that the dead lever 7 is directly increased to cope flask 1 and drag flask 2, fastens through fastening nut 8, has reached the purpose that cope flask 1 and drag flask 2 are connected the direction, are fastened to realized that the sand mould assembling is fixed, and the difficult technological effect that squints, and then solved because the metal liquid pours the technical problem who leads to cope flask 1 and drag flask 2 displacement in the sand mould.
Furthermore, threaded hole 61 is opened downwards on second connecting portion 6, and dead lever 7 one side threaded connection makes dead lever 7 easy dismounting through beginning threaded hole 61 in threaded hole 61, does not influence the preparation of going up sand mould 3 and lower sand mould 4.
Further, a movable through hole 51 is formed in the first connecting part 5, and the fixing rod 7 penetrates through the movable through hole 51; the centers of the movable through hole 51 and the threaded hole 61 are on the same straight line, and the movable through hole 51 and the center of the threaded hole 61 are arranged on the same straight line, so that the fixing rod 7 is convenient to mount and used for guiding the cope flask 1 and the drag flask 2.
Further, fastening nut 8 threaded connection is on dead lever 7, and contradicts with the top of first connecting portion 5, through locking fastening nut 8, makes cope flask 1 and drag flask 2 fastening connection to influence displacement such as cope flask 1 receives pouring liquid buoyancy has been avoided.
Further, the fixing lever 7 is provided with a polygonal detaching portion 71 at an end portion on the first connecting portion 5 side, and the detaching portion 71 has a general polygonal structure so that the fixing lever 7 can be easily connected to the screw hole 61.
Further, the method also comprises the following steps: the plug is detachably connected with the threaded hole 61 and used for plugging the threaded hole 61 when the lower sand mold 4 is filled, so that the molding sand is prevented from falling into the threaded hole 61 when the lower sand mold 4 is manufactured; when the upper sand mold 3 is manufactured, the plug needs to be removed.
Further, handles 9 are arranged on two sides of the cope flask 1 and the drag flask 2.
The working principle is as follows: reversely rotating and placing the lower sand box 2, placing a pattern in the lower sand box 2, filling sand in the lower sand box 2, tamping and scraping to prepare a lower sand mold 4; installing each fixing rod 7, reversely rotating the upper sand box 1, placing the upper sand box 1 on the lower sand box 2, placing a pouring gate rod in the upper sand box 1, filling molding sand, tamping and scraping to prepare an upper sand mold 3; taking down the cope flask 1, taking out the pattern, placing the cope flask 1 on the drag flask 2 for mould assembling, respectively connecting the fixing rods 7 to the second connecting parts 6, and connecting the fastening nuts 8 to the fixing rods 7, so that the cope flask 1 and the drag flask 2 are fastened and then pouring is carried out; the fixed structure of combination sand mould of this embodiment adopts the mode that the dead lever 7 is directly increased to cope flask 1 and drag flask 2, fastens through fastening nut 8, has reached the purpose that cope flask 1 and drag flask 2 are connected the direction, are fastened to realized that the sand mould assembling is fixed, and the difficult technological effect that squints, and then solved because the metal liquid pours the technical problem who leads to cope flask 1 and drag flask 2 displacement in the sand mould.
Claims (7)
1. A structure for facilitating the fixing of a composite sand mold, comprising: the sand-casting device comprises a cope flask (1) and a drag flask (2), wherein the cope flask (1) and the drag flask (2) are internally provided with an upper sand mold (3) and a lower sand mold (4) respectively, and is characterized in that the four inner corners of the cope flask (1) and the drag flask (2) are connected with a first connecting part (5) and a second connecting part (6) respectively, the second connecting portion (6) is detachably connected with a fixing rod (7), and the fixing rod (7) penetrates through the first connecting portion (5) and is connected with a fastening nut (8).
2. A structure convenient for fixing a combined sand mold according to claim 1, wherein a threaded hole (61) is formed in the second connecting portion (6) downwards, and one side of the fixing rod (7) is in threaded connection with the threaded hole (61).
3. A structure for facilitating the fixing of a combined sand mold according to claim 2, wherein a movable through hole (51) is formed in the first connecting portion (5), and the fixing rod (7) passes through the movable through hole (51); the centers of the movable through hole (51) and the threaded hole (61) are on the same straight line.
4. A structure facilitating fixing of a combined sand mold according to claim 1, wherein the fastening nut (8) is screwed on the fixing rod (7) and abuts against the top of the first connecting portion (5).
5. A structure for facilitating fixing of a composite sand mold according to claim 1, wherein the fixing rod (7) is provided with a polygonal removal portion (71) at an end portion on the side of the first connecting portion (5).
6. A structure for facilitating the fixing of a composite sand mold according to claim 2, further comprising: and the plug is detachably connected with the threaded hole (61).
7. A structure for facilitating the fixing of a composite sand mold according to claim 1, wherein handles (9) are provided on both sides of the cope flask (1) and the drag flask (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222912091.9U CN218361951U (en) | 2022-11-02 | 2022-11-02 | Structure convenient to combination sand mould is fixed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222912091.9U CN218361951U (en) | 2022-11-02 | 2022-11-02 | Structure convenient to combination sand mould is fixed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218361951U true CN218361951U (en) | 2023-01-24 |
Family
ID=84937093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222912091.9U Active CN218361951U (en) | 2022-11-02 | 2022-11-02 | Structure convenient to combination sand mould is fixed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218361951U (en) |
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2022
- 2022-11-02 CN CN202222912091.9U patent/CN218361951U/en active Active
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