CN220992748U - Sand box for casting lost foam thin-wall pipe fitting - Google Patents
Sand box for casting lost foam thin-wall pipe fitting Download PDFInfo
- Publication number
- CN220992748U CN220992748U CN202322777260.7U CN202322777260U CN220992748U CN 220992748 U CN220992748 U CN 220992748U CN 202322777260 U CN202322777260 U CN 202322777260U CN 220992748 U CN220992748 U CN 220992748U
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- China
- Prior art keywords
- pipe fitting
- sand box
- model
- casting
- lost foam
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Links
- 244000035744 Hura crepitans Species 0.000 title claims abstract description 25
- 238000005266 casting Methods 0.000 title claims abstract description 19
- 239000006260 foam Substances 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010114 lost-foam casting Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a sandbox for casting a lost foam thin-wall pipe fitting, which comprises a sandbox, vertical pouring channels and transverse pouring channels, wherein the bottom end of the pipe fitting model is provided with an installation table, a plurality of installation blocks are arranged on the outer wall of the installation table at equal angles, the installation blocks are movably connected with moving blocks, the installation blocks are provided with fixing mechanisms of the relative moving blocks, the upper ends of the moving blocks are provided with threaded columns, the moving blocks are connected with core bars through the threaded columns in a threaded manner, the pipe fitting models are connected in an arc shape through connecting pieces, the bottom ends of the vertical pouring channels are clamped with the installation table, and the vertical pouring channels are connected with the outer wall of the pipe fitting model through the transverse pouring channels. According to the utility model, the pipe fitting models are connected in an arc manner, so that a plurality of pipe fitting models can be poured at one time, the connecting piece and the core bars can ensure that the pipe fitting models are not easy to bend and deform in the sand adding molding process, meanwhile, the casting ensures the stability of pouring outside the pipe fitting models and the difficulty of collapse of the inner sand core, and the pouring success rate and efficiency are greatly improved.
Description
Technical Field
The utility model relates to the technical field of lost foam casting, in particular to a sand box for casting lost foam thin-wall pipe fittings.
Background
In production practice, a large number of slender pipe fittings are produced by using a lost foam process, specifically, a single slender pipe fitting foam model is formed into a model cluster, after the model is dip-coated with paint, molten iron is poured into an upper box for production, because the slender pipe fitting foam model has low strength, the model is easy to bend and deform in the dip-coating and sand-adding molding processes, castings are scrapped, meanwhile, the number of the pipe fittings poured at one time is small in the existing pouring mode, and the pouring efficiency is low.
Disclosure of utility model
The utility model mainly aims to provide the sandbox for casting the lost foam thin-wall pipe fitting, and the sandbox can be used for casting a plurality of pipe fitting models at one time by connecting the pipe fitting models in an arc mode, and the connecting piece and the core bars can ensure that bending deformation is not easy to occur in the sand adding molding process of the pipe fitting models, meanwhile, the casting ensures the stability of casting the outside of the pipe fitting models and the collapse of the sand core inside of the pipe fitting models, and the casting success rate and efficiency are greatly improved. The device can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a sand box is used in casting of lost foam thin wall pipe fitting, includes sand box, vertical runner, cross gate, pipe fitting model, the sand box bottom is provided with the mount table, equiangular is provided with a plurality of installation piece on the mount table outer wall, swing joint has the movable block on the installation piece, be provided with the fixed establishment of relative movement piece on the installation piece, the movable block upper end is provided with the screw thread post, the movable block has the core through screw thread post threaded connection, the pipe fitting model is circular-arc through the connecting piece each other and connects, vertical runner bottom and mount table joint, vertical runner passes through a plurality of cross gate and pipe fitting model outer wall connection.
Further, the fixing mechanism comprises a plurality of first through holes arranged on the side wall of the mounting block, a second through hole corresponding to the first through hole is arranged on the moving block, and the first through hole is connected with the second through hole through a connecting rod.
Further, the vertical runner lower extreme is provided with the connecting block, the connecting block lower extreme is provided with the draw-in groove, the mount table up end is provided with the fixture block corresponding with the draw-in groove, vertical runner passes through draw-in groove and fixture block joint.
Further, the connecting piece is made of glass fiber materials.
Further, the sprue cup is arranged at the upper end of the sprue.
Working principle: before pouring, the lower end of the vertical pouring channel is clamped with the mounting table, then the drop point position of the pipe fitting model is determined, the moving block is moved and adjusted according to the drop point position of the pipe fitting model, then the fixing mechanism is used for fixing, the core bar is in threaded connection with the threaded column on the moving block, then the pipe fitting model and the vertical pouring channel are taken out, sand is injected into the sandbox, the moving block is submerged, then the lower end of the vertical pouring channel is clamped with the mounting table again, at the moment, sand is injected into the pipe fitting model again, the vertical pouring channel leaks out from the upper end, molten liquid is injected into the vertical pouring channel for pouring, the molten liquid enters the transverse pouring channel through the vertical pouring channel, and the pipe fitting model is poured through the transverse pouring channel.
The beneficial effects are that: through connecting the pipe fitting models with circular arcs, a plurality of pipe fitting models can be poured at one time, the connecting piece and the core bars can ensure that the pipe fitting models are difficult to bend and deform in the sand adding molding process, meanwhile, the casting ensures the stability of pouring outside the pipe fitting models and the difficulty of collapse of the inner sand core, and the pouring success rate and efficiency are greatly improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic view of a partially cut-away structure of the present utility model.
FIG. 3 is a schematic view of a part of the structure of the present utility model.
Fig. 4 is a cross-sectional view of the overall structure of the present utility model.
Figure 5 is a top view of the internal structure of the sandbox of the present utility model.
FIG. 6 is a top view of the mounting table and mounting block structure of the present utility model.
In the figure: 1, a sandbox; 2, a mounting table; 3, installing blocks; 4, moving the block; 5 a first through hole; 6 a second through hole; 7, connecting a rod; 8, a threaded column; 9 core bars; 10 pipe fitting model; 11 a connecting piece; 12 pouring cups; 13 cross runners; 14 connecting blocks; 15 clamping grooves; 16 clamping blocks; 17 sprue.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in figures 1-6, the sandbox for lost foam thin-wall pipe casting comprises a sandbox 1, a vertical pouring gate 17, a horizontal pouring gate 13 and a pipe fitting model 10, wherein an installation table 2 is arranged at the bottom end of the sandbox 1, a plurality of installation blocks 3 are arranged on the outer wall of the installation table 2 at equal angles, a movable block 4 is movably connected to the installation blocks 3, a fixing mechanism of the movable block 4 is arranged on the installation blocks 3, a threaded column 8 is arranged at the upper end of the movable block 4, the movable block 4 is connected with a core 9 through the threaded column 8 in a threaded manner, the pipe fitting models 10 are connected in an arc manner through connecting pieces 11, the bottom end of the vertical pouring gate 17 is connected with the installation table 2 in a clamping manner, and the vertical pouring gate 17 is connected with the outer wall of the pipe fitting model 10 through a plurality of horizontal pouring gate 13.
The fixing mechanism comprises a plurality of first through holes 5 arranged on the side wall of the mounting block 3, second through holes 6 corresponding to the first through holes 5 are formed in the moving block 4, the first through holes 5 are connected with the second through holes 6 through connecting rods 7, the moving block 4 is convenient to move and adjust, a core bar 9 can be arranged in the middle of the pipe fitting model 10, sand in the middle of the pipe fitting model 10 is prevented from collapsing when the pipe fitting model 10 is poured, and a cast is scrapped.
The lower end of the sprue 17 is provided with a connecting block 14, the lower end of the connecting block 14 is provided with a clamping groove 15, the upper end face of the mounting table 2 is provided with a clamping block 16 corresponding to the clamping groove 15, the sprue 17 is clamped with the clamping block 16 through the clamping groove 15, and the positions of the pipe fitting models 10 which are connected in circular arcs can be determined through the clamping groove 15 and the clamping block 16 at the lower end of the connecting block 14, so that the positions of the core bars 9 can be conveniently determined.
The connecting piece 11 is made of glass fiber materials, has a high melting point, and can not be fused during pouring, so that stability of the pipe fitting model 10 during pouring is ensured at any time.
Wherein, sprue cup 12 is arranged at the upper end of sprue 17, which is convenient for pouring.
Examples: before pouring, the lower end of the vertical pouring channel 17 is clamped with the mounting table 2, then the drop point position of the pipe fitting model 10 is determined, the moving block 4 is moved and adjusted according to the drop point position of the pipe fitting model 10, then the fixing mechanism is used for fixing, the core bar 9 is in threaded connection with the threaded column 8 on the moving block 4, then the pipe fitting model 10 and the vertical pouring channel 17 are taken out, sand is injected into the sandbox 1, the moving block 4 is submerged, then the lower end of the vertical pouring channel 17 is clamped with the mounting table 2 again, at the moment, sand is injected into the pipe fitting model 10 again, the upper end leaks out of the vertical pouring channel 17, pouring is carried out by injecting molten liquid into the vertical pouring channel 17, the molten liquid enters the transverse pouring channel 13 through the vertical pouring channel 17, and pouring is carried out on the pipe fitting model 10 through the transverse pouring channel 13.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (5)
1. The utility model provides a sand box is used in casting of lost foam thin wall pipe fitting, includes sand box, vertical runner, horizontal runner, pipe fitting model, its characterized in that: the sand box is characterized in that an installation table is arranged at the bottom end of the sand box, a plurality of installation blocks are arranged on the outer wall of the installation table at equal angles, a moving block is movably connected to the installation blocks, a fixing mechanism of the relative moving block is arranged on the installation blocks, a threaded column is arranged at the upper end of the moving block, the moving block is connected with a core bar through the threaded column in a threaded manner, pipe fitting models are connected in an arc shape through connecting pieces, the bottom end of a vertical runner is connected with the installation table in a clamping manner, and the vertical runner is connected with the outer wall of the pipe fitting models through a plurality of horizontal runners.
2. The sand box for casting lost foam thin-walled pipe fittings according to claim 1, wherein: the fixing mechanism comprises a plurality of first through holes arranged on the side wall of the mounting block, a second through hole corresponding to the first through hole is arranged on the moving block, and the first through hole is connected with the second through hole through a connecting rod.
3. The sand box for casting lost foam thin-walled pipe fittings according to claim 1, wherein: the vertical runner lower extreme is provided with the connecting block, the connecting block lower extreme is provided with the draw-in groove, the mount table up end is provided with the fixture block corresponding with the draw-in groove, vertical runner passes through draw-in groove and fixture block joint.
4. The sand box for casting lost foam thin-walled pipe fittings according to claim 1, wherein: the connecting piece is made of glass fiber materials.
5. The sand box for casting lost foam thin-walled pipe fittings according to claim 1, wherein: and a pouring cup is arranged at the upper end of the sprue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322777260.7U CN220992748U (en) | 2023-10-17 | 2023-10-17 | Sand box for casting lost foam thin-wall pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322777260.7U CN220992748U (en) | 2023-10-17 | 2023-10-17 | Sand box for casting lost foam thin-wall pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220992748U true CN220992748U (en) | 2024-05-24 |
Family
ID=91123462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322777260.7U Active CN220992748U (en) | 2023-10-17 | 2023-10-17 | Sand box for casting lost foam thin-wall pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220992748U (en) |
-
2023
- 2023-10-17 CN CN202322777260.7U patent/CN220992748U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |