CN216705926U - Split type clamp for casting sand mold - Google Patents
Split type clamp for casting sand mold Download PDFInfo
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- CN216705926U CN216705926U CN202122945401.2U CN202122945401U CN216705926U CN 216705926 U CN216705926 U CN 216705926U CN 202122945401 U CN202122945401 U CN 202122945401U CN 216705926 U CN216705926 U CN 216705926U
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Abstract
The application relates to a split type clamp for casting sand molds, which comprises a first clamping piece, a second clamping piece and a connecting piece, wherein the first clamping piece is arranged on the first clamping piece; the first clamping piece and the second clamping piece are connected through the connecting piece, and a cavity for accommodating a casting sand mold is arranged between the first clamping piece and the second clamping piece; the bottom of first holder is provided with the bottom plate, the bottom plate deviates from first holder one side with the bottom phase-match of second holder. The sand-isolating chilling block is designed along with the casting sand mould and is directly and tightly attached to the casting sand mould, so that the effect of isolating sand and chilling block is achieved. This application is through reasonable structural design, realizes the effect of fastening sand mould, because the not enough type that leads to rises and the core that wafts of sand mould global rigidity when avoiding naked watering to reduce casting sand mould sand consumption.
Description
Technical Field
The utility model relates to the technical field of casting, in particular to a split type clamp for casting sand molds.
Background
Sand casting refers to a casting process that produces a casting in a sand mold. Steel, iron and most nonferrous metal castings can be obtained by sand casting. With the popularization and application of the 3D printing technology in the field of casting production, a set of casting methods of sand core printing, flow coating and drying, sand core assembly and box burying pouring are formed.
Most of current 3D printing sand molds are poured by adopting a buried box, the process of the method is that sand molding compound is used for bonding and fixing sand cores when cores are assembled in the early stage, then the assembled sand cores are placed on a platform with a bottom box, finally a sand box is sleeved, resin sand, clay sand and the like are filled around the inner sides of the sand cores and the sand box, and pouring is carried out after the sand is hardened. The sand sleeving and filling processes are complicated and time-consuming, and the recovered sand after subsequent box beating needs to be treated again, so that the production efficiency is greatly reduced, and manpower and material resources are consumed. The 3D prints the sand mould and directly waters naked, if the whole rigidity of sand mould is not enough, produces the type that rises and wafts the core easily in the pouring process, leads to the foundry goods to scrap.
SUMMERY OF THE UTILITY MODEL
Therefore, the split type clamp for the casting sand mold is needed to be provided for directly pouring the casting sand mold by clamping the casting sand mold aiming at the technical problems of easy expansion of naked casting, floating cores and the like.
In order to solve the problems, the utility model adopts the following technical scheme:
the embodiment of the utility model discloses a split type clamp for a casting sand mold, which comprises a first clamping piece, a second clamping piece and a connecting piece, wherein the first clamping piece is connected with the second clamping piece through the connecting piece; the first clamping piece and the second clamping piece are connected through the connecting piece, and a cavity for accommodating a casting sand mold is arranged between the first clamping piece and the second clamping piece. The bottom of first holder is provided with the bottom plate, the bottom plate deviates from first holder one side with the bottom phase-match of second holder.
In one embodiment, the first clamping piece is arranged close to one side of the casting sand mould along with the casting sand mould; and the second clamping piece is arranged close to one side of the casting sand mould along with the casting sand mould.
In one embodiment, one end of the first clamping piece is hinged with one end of the second clamping piece, and the other end of the first clamping piece is detachably connected with the other end of the second clamping piece.
In one embodiment, two sides of the first clamping piece are respectively provided with a first positioning boss; second positioning bosses matched with the first positioning bosses are respectively arranged on two sides of the second clamping piece; the connecting piece is connected with the first positioning boss and the second positioning boss.
In one embodiment, the first positioning boss and the second positioning boss are both provided with a connecting hole; the connecting piece includes screw rod and nut, the screw rod passes the connecting hole, just the screw rod both ends all set up the nut is connected first location boss with second location boss.
In one embodiment, the first clamping member and the second clamping member are provided with a plurality of through holes.
In one embodiment, the top of the first clamping piece close to one side of the casting sand mold is provided with an oblique angle; and an oblique angle is arranged at the top of one side, close to the casting sand mold, of the second clamping piece.
In one embodiment, the split clamp is made of a metal material.
The technical scheme adopted by the utility model can achieve the following beneficial effects:
the split type clamp for the casting sand mold disclosed by the embodiment of the utility model realizes the effect of fastening the sand mold through reasonable structural design, avoids expansion and floating cores caused by insufficient integral rigidity of the sand mold during bare casting, and reduces the sand consumption of the casting sand mold. The split clamp for the casting sand mold disclosed by the embodiment of the utility model is designed along with the casting sand mold, and is directly and tightly attached to the casting sand mold, so that the function of isolating sand from chilling blocks is achieved. The split clamp for casting the sand mold disclosed by the embodiment of the utility model has the advantages that the clamping operation of the sand mold is simple and convenient, the clamp can be repeatedly utilized, the steps of sleeving a sand box, filling sand and the like are omitted, the production efficiency is greatly improved, and the production cost is reduced.
Drawings
FIG. 1 is a schematic structural view of a split jig for casting sand molds according to the present disclosure;
FIG. 2 is a schematic view of the split jig chucking process for the casting sand mold of FIG. 1;
fig. 3 is a schematic diagram of the completion of the clamping of the casting sand mold.
Description of reference numerals:
1-a first clamping piece, 2-a first positioning boss, 3-a connecting hole, 4-a bottom plate, 5-a second positioning boss, 6-a through hole, 7-a second clamping piece, 8-a casting sand mold and 9-a connecting piece.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be connected internally or indirectly. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the embodiment of the present invention discloses a casting sand mold split jig, which comprises a first clamping member 1, a second clamping member 7 and a connecting member 9. After the two ends of the first clamping piece 1 and the second clamping piece 7 are connected through the connecting piece 9 respectively, a cavity for accommodating the casting sand mold 8 is formed between the first clamping piece 1 and the second clamping piece 7. The first clamping piece 1 and the second clamping piece 7 are matched with the connecting piece 9, so that the first clamping piece 1 and the second clamping piece 7 can fasten the casting sand mold 8. The casting sand mold 8 may be an integral sand mold or may be assembled from a plurality of sand molds and/or cores. The thickness of the first clamping piece 1 and the thickness of the second clamping piece 7 are both 8-15 mm. Certainly, under the protection effect of the split clamp for the casting sand mold disclosed by the embodiment of the utility model, the amount of yarn eaten by the casting sand mold 8 can be minimized on the premise of ensuring the strength index of the casting sand mold, and the phenomena of expansion and floating core caused by insufficient integral rigidity of the sand mold during bare casting are avoided.
Further, on the basis of the outer contour of the casting sand mold 8, a first clamping piece 1 and a second clamping piece 7 which are left and right split and follow the casting sand mold 8 are arranged on the periphery of the casting sand mold; the first clamping member 1 is attached to the casting sand mold 8 near the inner side of the casting sand mold 8, and similarly, the first clamping member 7 is attached to the casting sand mold 8 near the inner side of the casting sand mold 8.
Further, the bottom of the first clamping piece 1 is provided with a bottom plate 4, one side of the bottom plate 4 is connected with the bottom of the first clamping piece 1, and the other side of the bottom plate 4 is matched with the bottom of the second clamping piece 7. The casting sand mold 8 is placed on the bottom plate 4, the first clamping piece 1 is attached to the casting sand mold 8, the second clamping piece 7 is combined, the two sides of the first clamping piece 1 and the two sides of the second clamping piece 7 are connected through the connecting pieces 9 respectively, the relative positions of the first clamping piece 1 and the second clamping piece 7 are adjusted through the connecting pieces 9, and the clamping force of the split clamp for the casting sand mold disclosed by the embodiment of the utility model on the casting sand mold is further adjusted. The bottom plate 4 is arranged at the bottom of the first clamping piece 1, so that on one hand, bottom leakage or box expansion of the casting sand mold 8 in the pouring process can be prevented, and on the other hand, dislocation of the split clamp for casting sand molds disclosed by the embodiment of the utility model due to deformation after multiple use can be prevented.
Preferably, the connecting piece 9 comprises a hinged connecting piece and a detachable connecting piece, one end of the first clamping piece 1 is hinged to one end of the second clamping piece 7, the other end of the first clamping piece 1 is detachably connected with the other end of the second clamping piece 7, and when the split clamp for casting sand molds disclosed by the embodiment of the utility model is detached or installed, only one detachably connected end is detached.
In an alternative embodiment, the first positioning bosses 2 are arranged on both sides of the first clamping piece 1, and the number of the first positioning bosses 2 on each side can be multiple as required; the two sides of the second clamping piece 7 are respectively provided with a second positioning boss 5, and the second positioning bosses 5 are matched with the first positioning bosses 2; similarly, the number of the second positioning bosses 5 on each side may be multiple, and the second positioning bosses may be matched with the first positioning bosses 2. The first positioning boss 2 and the second positioning boss 5 are connected through the connecting piece 9, so that the split clamp for the casting sand mold disclosed by the embodiment of the utility model can clamp the casting sand mold 8.
Preferably, two first positioning bosses 2 are respectively arranged on two sides of the first clamping piece 1; the first clamping piece 1 is with two first location bosss 2 of one side, and one of them boss face sets up along the horizontal direction, and another boss face sets up along the vertical direction to, the boss face of two first location bosss 2 of first clamping piece 1 diagonal angle is parallel to each other. Correspondingly, two sides of the second clamping piece 7 are respectively provided with two second positioning bosses 5 matched with the first positioning bosses, boss surfaces of the two first positioning bosses 5 at the diagonal corners of the second clamping piece 7 are also parallel to each other, and the first positioning bosses 2 and the second positioning bosses 5 arranged along the horizontal direction are mutually vertically matched. After the first clamping member 1 and the second clamping member 7 are connected by using the connecting members 9, the clamping directions of the two connecting members 9 on the same side are perpendicular to each other, and the clamping directions of the two connecting members 9 on the diagonal positions are the same. This allows the first and second clamps 1, 7 to be evenly forced through the multi-cast sand mould 8 in each section by adjusting the connecting member 9.
Furthermore, the connecting piece 9 is a C-shaped fixture with inclination, and the first positioning boss 2 and the second positioning boss 5 are tightly clamped and connected, so that the operation is convenient and the disassembly is easy.
In an alternative embodiment, the connection 9 includes a screw and a nut, the first positioning boss 2 and the second positioning boss 5 are both provided with a connection hole 3, the connection hole 3 may be a round hole, a square hole, a half hole, etc., one side of the screw is fixed with a nut, the other side of the screw passes through the connection hole 3 on the first positioning boss 2 and the connection hole 3 on the second positioning boss 5, and another nut is used to connect and fasten the first positioning boss 2 and the second positioning boss 5.
In the embodiment disclosed by the utility model, through holes 6 can be further arranged on the first clamping piece 1 and the second clamping piece 7, and the through holes 6 can be arranged in a staggered manner in multiple rows and multiple columns or can be a grid which is not staggered. The through hole 6 can reduce the weight of the first clamping piece 1 and the second clamping piece 7, and is convenient to carry, install and detach. On the other hand, the heat dissipation of the casting is facilitated, so that the structure and the mechanical property of the casting are improved.
In order to facilitate clamping of the casting sand mold 8 into the split type casting sand mold clamp disclosed by the embodiment of the utility model, oblique angles are respectively arranged at the tops of the first clamping piece 1 and the second clamping piece 7 close to one side of the casting sand mold 8, the angle of each oblique angle is 3-5 degrees, and gaps of 0.5-2 mm are respectively arranged between the first clamping piece 1, the second clamping piece 7 and the casting sand mold 8.
The split jig for casting a sand mold disclosed in any of the above embodiments, wherein the split jig is made of a metal material, preferably a cast steel material; according to the casting structure, the thickness of the first clamping piece 1 and/or the second clamping piece 7 corresponding to the thick and/or key part can be increased while the sand-eating quantity is reduced, so that the function of sand-isolating chilling block is achieved, and the cooling speed of the thick and/or key part is increased.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The split clamp for the casting sand mold is characterized by comprising a first clamping piece, a second clamping piece and a connecting piece; two ends of the first clamping piece are respectively connected with two ends of the second clamping piece through the connecting piece, and a cavity for accommodating a casting sand mold is arranged between the first clamping piece and the second clamping piece; the bottom of first holder is provided with the bottom plate, the bottom plate deviates from first holder one side with the bottom phase-match of second holder.
2. A split jig for a casting sand mold according to claim 1, wherein said first holding member is provided along with said casting sand mold near a side of said casting sand mold; and the second clamping piece is arranged close to one side of the casting sand mould along with the casting sand mould.
3. A split jig for a casting sand mold according to claim 1, wherein one end of said first holding member is hinged to one end of said second holding member, and the other end of said first holding member is detachably connected to the other end of said second holding member.
4. A split jig for a casting sand mold according to claim 1, wherein first positioning bosses are respectively provided on both sides of the first clamping member; second positioning bosses matched with the first positioning bosses are respectively arranged on two sides of the second clamping piece; the connecting piece is connected with the first positioning boss and the second positioning boss.
5. A split jig for a casting sand mold according to claim 4, wherein the first positioning boss and the second positioning boss are provided with connecting holes; the connecting piece includes screw rod and nut, the screw rod passes the connecting hole, just the screw rod both ends all set up the nut is connected first location boss with second location boss.
6. A split jig for a casting sand mold according to claim 1, wherein a plurality of through holes are provided in each of said first holding member and said second holding member.
7. A split pair of clamps for a casting sand mold according to claim 1, wherein said first clamping member is provided with an oblique angle near the top of one side of said casting sand mold; and an oblique angle is arranged at the top of one side, close to the casting sand mold, of the second clamping piece.
8. A split jig for a casting sand mold according to any one of claims 1 to 7, wherein the split jig is made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945401.2U CN216705926U (en) | 2021-11-29 | 2021-11-29 | Split type clamp for casting sand mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945401.2U CN216705926U (en) | 2021-11-29 | 2021-11-29 | Split type clamp for casting sand mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216705926U true CN216705926U (en) | 2022-06-10 |
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ID=81880459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122945401.2U Active CN216705926U (en) | 2021-11-29 | 2021-11-29 | Split type clamp for casting sand mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216705926U (en) |
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2021
- 2021-11-29 CN CN202122945401.2U patent/CN216705926U/en active Active
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