CN221515983U - Sand spraying device for precision casting shell making - Google Patents
Sand spraying device for precision casting shell making Download PDFInfo
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- CN221515983U CN221515983U CN202322818405.3U CN202322818405U CN221515983U CN 221515983 U CN221515983 U CN 221515983U CN 202322818405 U CN202322818405 U CN 202322818405U CN 221515983 U CN221515983 U CN 221515983U
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- sand
- spraying
- separating
- distribution
- assembly
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- 239000004576 sand Substances 0.000 title claims abstract description 355
- 238000005507 spraying Methods 0.000 title claims abstract description 86
- 238000005495 investment casting Methods 0.000 title claims abstract description 21
- 238000009826 distribution Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 239000004744 fabric Substances 0.000 abstract 2
- 238000000926 separation method Methods 0.000 description 23
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Casting Devices For Molds (AREA)
Abstract
The utility model discloses a sand spraying device for a precision casting shell making, which comprises a sand spraying frame, a sand distribution device and a sand distribution assembly, wherein a sand inlet and a sand spraying area are respectively arranged on the sand spraying frame, the sand distribution assembly is arranged on the sand spraying frame, the sand distribution device is fixedly arranged above the sand distribution assembly and below the sand inlet, the sand distribution device is provided with a sand distribution surface which is configured to uniformly distribute sand materials flowing in from the sand inlet to the sand distribution assembly, a plurality of sand passing hole units are arranged on the sand distribution assembly, and the sand materials uniformly flow into the sand spraying area after passing through the sand passing hole units so as to form rain-spraying sand. Above-mentioned a drenching sand device for precision casting system shell is at the during operation, and sand material flows through cloth sand device from the sand inlet, by cloth sand face evenly distributed to on the sand subassembly, and the sand material flows into the sand district that drenches through sand hole unit evenly again, forms the drenches the sand that drenches, and not only design benefit adopts drenches the sand in addition, drenches sand evenly, drenches sand effectually, has showing the quality that has promoted the system shell.
Description
Technical Field
The utility model belongs to the technical field of precision casting machining, and particularly relates to a sand spraying device for manufacturing shells by precision casting.
Background
Investment casting, also known as precision casting or lost wax casting, is one of the metal casting techniques. It is cast metal using a specially made refractory shell, which is a process that is distinctive in its manufacture. Firstly, a wax mould of a specific workpiece blank is put into a slurry cylinder to be stirred and dipped, then the wax mould dipped with slurry is put into a sand spraying machine to be sprayed with sand, and the wax mould sprayed with sand is dried and hardened, molded step by step and repeated for a plurality of times until an integral shell is formed.
The existing sand spraying machine conveys sand materials to a high point through a belt conveyor, the sand materials fall from the high point to spray sand, however, in the actual sand spraying process, the size of the sand materials and the uniformity of particles of the sand materials falling on a shell are not easy to control, uneven sand spraying of the shell is extremely easy to cause, the sand spraying effect is poor, and the production quality of the shell is affected.
Disclosure of utility model
The utility model aims to provide a sand spraying device for manufacturing shells by precision casting, which is used for solving the problems of uneven sand spraying and poor sand spraying effect of the existing sand spraying machine in the prior art.
To achieve the purpose, the utility model adopts the following technical scheme:
a sand spraying device for manufacturing shells by precision casting comprises a sand spraying frame, a sand distribution device and a sand distribution assembly, wherein,
The sand spraying device comprises a sand spraying frame, a sand inlet and a sand spraying area are respectively arranged on the sand spraying frame along the height direction, the sand inlet is positioned above the sand spraying area, a sand distribution assembly is arranged on the sand spraying frame and positioned between the sand inlet and the sand spraying area, a sand distribution device is fixedly arranged above the sand distribution assembly and positioned below the sand inlet, the sand distribution device is provided with a sand distribution surface, the sand distribution surface is configured to uniformly distribute sand materials flowing in from the sand inlet to the sand distribution assembly, a plurality of sand passing hole units are formed in the sand distribution assembly at equal intervals, and the sand materials uniformly flow into the sand spraying area after passing through the sand passing hole units to form rain-spraying sand.
Further, the sand separation assembly comprises an upper sand separation plate, a lower sand separation plate and a movable assembly, wherein the lower sand separation plate can be movably arranged on the sand spraying frame relative to the upper sand separation plate, a plurality of upper sand passing holes are formed in the upper sand separation plate, a plurality of lower sand passing holes are formed in the lower sand separation plate, the lower sand passing holes are in one-to-one correspondence with the upper sand passing holes, each lower sand passing hole corresponds to the upper sand passing holes to form a sand passing hole unit, the driving end of the movable assembly is connected with the lower sand separation plate, and the movable assembly drives the lower sand separation plate to move relative to the upper sand separation plate so as to change the opening size of the sand passing hole unit.
Further, the movable assembly comprises a movable driving piece and a connecting piece, the fixed end of the movable driving piece is installed on the sand spraying frame, the driving end of the movable driving piece is connected with the first end of the connecting piece, and the second end of the connecting piece is hinged to the lower sand separating plate through a hinge piece.
Further, the sand separation assembly further comprises an upper sand separation unit arranged at the top end of the upper sand separation plate and a lower sand separation unit arranged at the bottom end of the lower sand separation plate, wherein the upper sand separation unit and the lower sand separation unit comprise a plurality of first sand separation plates and second sand separation plates, and the first sand separation plates and the second sand separation plates are mutually perpendicular to form a plurality of equal sand passing areas.
Further, a plurality of sand separating rods are arranged below the sand separating assembly on the sand spraying frame, the sand separating rods are arranged at intervals along the horizontal direction, a sand passing flow channel is formed between two adjacent sand separating rods, and sand flows into the sand spraying area from the sand passing flow channel.
Compared with the prior art, the sand spraying device for manufacturing the shell by precision casting has the beneficial effects that: the sand material flows through the sand distribution device from the sand inlet, is uniformly distributed on the sand distribution assembly from the sand distribution surface, and uniformly flows into the sand spraying area through the sand hole unit to form rain-spraying sand, so that the design is ingenious, the rain-spraying sand is adopted, the sand spraying is uniform, the sand spraying effect is good, and the shell manufacturing quality is remarkably improved; the movable assembly drives the lower sand separating plate to move relative to the upper sand separating plate, so that the opening size of the sand passing hole unit is changed, the sand material specification of sand spraying can be adjusted according to different sand spraying requirements, sand spraying is uniform, and sand spraying adaptability is good; the first sand separating plates and the second sand separating plates are mutually perpendicular to form a plurality of equal sand passing areas, and the installation strength of the upper sand separating plates and the lower sand separating plates is further improved on the premise of realizing uniform sand separation; the sand flow channels are formed between two adjacent sand separating rods, sand flows into the sand spraying area from the sand flow channels, and the uniformity of sand spraying is further improved in a limited space.
Drawings
For a clearer description and understanding of the technical solutions of the embodiments of the present utility model, the following description will make a brief introduction to the drawings required for the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and the drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic perspective view of a sand shower apparatus for casting shells with precision according to an embodiment of the present utility model;
FIG. 2 is a schematic view of another perspective structure of a sand shower apparatus for casting shells by precision casting according to an embodiment of the present utility model;
Fig. 3 is an enlarged schematic view at a in fig. 1.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model 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. It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, in the present embodiment, a sand spraying device for precision casting shell manufacturing includes a sand spraying frame 1, a sand distribution device 2 and a sand distribution assembly 3, wherein a sand inlet 10 and a sand spraying area 11 are respectively disposed on the sand spraying frame 1 along a height direction, the sand inlet 10 is disposed above the sand spraying area 11, the sand distribution assembly 3 is disposed on the sand spraying frame 1 and between the sand inlet 10 and the sand spraying area 11, the sand distribution device 2 is fixedly disposed above the sand distribution assembly 3 and below the sand inlet 10, the sand distribution device 2 is provided with a sand distribution surface 20, the sand distribution surface 20 is configured to uniformly distribute sand materials flowing into the sand inlet 10 to the sand distribution assembly 3, a plurality of sand through holes units 30 are disposed on the sand distribution assembly 3 at equal intervals, and the sand materials uniformly flow into the sand spraying area 11 after passing through the sand through holes units 30 to form a rain-spraying sand.
It can be seen that the sand material flows through the sand distribution device 2 from the sand inlet 10, is uniformly distributed on the sand distribution assembly 3 by the sand distribution surface 20, and uniformly flows into the sand spraying area 11 through the sand point unit 30 to form the rain-spraying sand, so that the design is ingenious, the rain-spraying sand is adopted, the sand spraying is uniform, the sand spraying effect is good, and the shell manufacturing quality is remarkably improved.
As an implementation manner, the sand separating assembly 3 includes an upper sand separating plate 31, a lower sand separating plate 32 and a movable assembly 33, the lower sand separating plate 32 can be movably installed on the sand spraying frame 1 relative to the upper sand separating plate 31, a plurality of upper sand passing holes 310 are formed in the upper sand separating plate 31, a plurality of lower sand passing holes 320 are formed in the lower sand separating plate 32, the lower sand passing holes 320 are in one-to-one correspondence with the upper sand passing holes 310, each lower sand passing hole 320 and the corresponding upper sand passing hole 310 form a corresponding sand passing hole unit 30, the driving end of the movable assembly 33 is connected with the lower sand separating plate 32, and the movable assembly 33 drives the lower sand separating plate 32 to move relative to the upper sand separating plate 31 so as to change the opening size of the sand passing hole unit 30.
Therefore, the movable assembly 33 drives the lower sand separating plate 32 to move relative to the upper sand separating plate 31, so that the opening size of the sand passing hole unit 30 is changed, the sand material specification of sand spraying can be adjusted according to different sand spraying requirements, sand spraying is uniform, and sand spraying adaptability is good.
As an embodiment, the movable assembly 33 includes a movable driving member 330 and a connecting member 331, wherein the fixed end of the movable driving member 330 is mounted on the sand shower frame 1, the driving end of the movable driving member 330 is connected to the first end of the connecting member 331, and the second end of the connecting member 331 is hinged to the lower sand separating plate 32 through a hinge member.
As an embodiment, the sand separating assembly 3 further includes an upper sand separating unit disposed at the top end of the upper sand separating plate 31 and a lower sand separating unit disposed at the bottom end of the lower sand separating plate 32, where the upper sand separating unit and the lower sand separating unit each include a plurality of first sand separating plates 4 and second sand separating plates 5, and the plurality of first sand separating plates 4 and the plurality of second sand separating plates 5 are mutually perpendicular to form a plurality of equal sand passing areas.
It can be seen that the first sand separating plates 4 and the second sand separating plates 5 are perpendicular to each other to form a plurality of equal sand passing areas, and the installation strength of the upper sand separating plate 31 and the lower sand separating plate 32 is further improved on the premise of realizing uniform sand separation.
As one embodiment, a plurality of sand separating rods 6 are arranged below the sand separating assembly 3 on the sand spraying frame 1, the sand separating rods 6 are arranged at intervals along the horizontal direction, a sand passing channel 60 is formed between two adjacent sand separating rods 6, and sand flows into the sand spraying area 11 from the sand passing channel 60.
Therefore, a plurality of sand separating rods 6 are additionally arranged, a sand passing flow channel 60 is formed between two adjacent sand separating rods 6, sand flows into the sand spraying area 11 from the sand passing flow channel 60, and the uniformity of sand spraying is further improved in a limited space.
The sand spraying device for manufacturing the shell by precision casting is characterized in that when in work: the sand flows through the sand distribution device 2 from the sand inlet 10, is uniformly distributed in a plurality of sand passing areas on the upper sand distribution plate 31 by the sand distribution surface 20, and the movable driving piece 330 drives the lower sand distribution plate 32 to move through the connecting piece 331 according to sand spraying requirements of the mold shell, so that the closed sand passing hole unit 30 is opened, the sand flows out from the sand passing hole, and the flowing sand flows into the sand spraying area 11 through the sand runner 60.
The above embodiments merely illustrate the basic principles and features of the present utility model, and the present utility model is not limited to the above examples, but can be variously changed and modified without departing from the spirit and scope of the present utility model, which is within the scope of the present utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A sand spraying device for precision casting shell manufacturing is characterized in that the sand spraying device for precision casting shell manufacturing comprises a sand spraying frame, a sand distribution device and a sand distribution component, wherein,
The sand spraying device comprises a sand spraying frame, a sand inlet and a sand spraying area are respectively arranged on the sand spraying frame along the height direction, the sand inlet is positioned above the sand spraying area, a sand distribution assembly is arranged on the sand spraying frame and positioned between the sand inlet and the sand spraying area, a sand distribution device is fixedly arranged above the sand distribution assembly and positioned below the sand inlet, the sand distribution device is provided with a sand distribution surface, the sand distribution surface is configured to uniformly distribute sand materials flowing in from the sand inlet to the sand distribution assembly, a plurality of sand passing hole units are formed in the sand distribution assembly at equal intervals, and the sand materials uniformly flow into the sand spraying area after passing through the sand passing hole units to form rain-spraying sand.
2. The sand spraying device for manufacturing shells by precision casting according to claim 1, wherein the sand separating assembly comprises an upper sand separating plate, a lower sand separating plate and a movable assembly, the lower sand separating plate can be movably arranged on the sand spraying frame relative to the upper sand separating plate, a plurality of upper sand through holes are formed in the upper sand separating plate, a plurality of lower sand through holes are formed in the lower sand separating plate, the lower sand through holes are in one-to-one correspondence with the upper sand through holes, each lower sand through hole corresponds to the upper sand through hole to form a corresponding sand through hole unit, the driving end of the movable assembly is connected with the lower sand separating plate, and the movable assembly drives the lower sand separating plate to move relative to the upper sand separating plate so as to change the opening size of the sand through hole unit.
3. The sand shower device for manufacturing shells by precision casting according to claim 2, wherein the movable assembly comprises a movable driving piece and a connecting piece, the fixed end of the movable driving piece is installed on the sand shower frame, the driving end of the movable driving piece is connected with the first end of the connecting piece, and the second end of the connecting piece is hinged on the lower sand separating plate through a hinge piece.
4. The sand shower device for manufacturing shells by precision casting according to claim 2, wherein the sand separating assembly further comprises an upper sand separating unit arranged at the top end of the upper sand separating plate and a lower sand separating unit arranged at the bottom end of the lower sand separating plate, the upper sand separating unit and the lower sand separating unit comprise a plurality of first sand separating plates and second sand separating plates, and the first sand separating plates and the second sand separating plates are mutually perpendicular to form a plurality of equal sand passing areas.
5. The sand shower device for manufacturing shells by precision casting according to claim 2, wherein a plurality of sand separating rods are arranged below the sand separating assembly on the sand shower frame, the sand separating rods are arranged at intervals in the horizontal direction, a sand passing channel is formed between two adjacent sand separating rods, and sand flows into the sand shower area from the sand passing channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322818405.3U CN221515983U (en) | 2023-10-19 | 2023-10-19 | Sand spraying device for precision casting shell making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322818405.3U CN221515983U (en) | 2023-10-19 | 2023-10-19 | Sand spraying device for precision casting shell making |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221515983U true CN221515983U (en) | 2024-08-13 |
Family
ID=92200938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322818405.3U Active CN221515983U (en) | 2023-10-19 | 2023-10-19 | Sand spraying device for precision casting shell making |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221515983U (en) |
-
2023
- 2023-10-19 CN CN202322818405.3U patent/CN221515983U/en active Active
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