CN221269592U - Roller type sand shower for precision casting shell making - Google Patents
Roller type sand shower for precision casting shell making Download PDFInfo
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- CN221269592U CN221269592U CN202322800644.6U CN202322800644U CN221269592U CN 221269592 U CN221269592 U CN 221269592U CN 202322800644 U CN202322800644 U CN 202322800644U CN 221269592 U CN221269592 U CN 221269592U
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- sand
- shower
- material stirring
- filtering
- spraying
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- 239000004576 sand Substances 0.000 title claims abstract description 224
- 238000005495 investment casting Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 76
- 238000003756 stirring Methods 0.000 claims abstract description 73
- 238000001914 filtration Methods 0.000 claims abstract description 62
- 238000005507 spraying Methods 0.000 claims abstract description 43
- 239000007921 spray Substances 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract 4
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 239000002699 waste material Substances 0.000 abstract description 6
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 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
- 238000004064 recycling Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a roller-type sand spraying machine for precisely casting shells, which comprises a frame, a sand spraying cylinder and a feeding device, wherein the sand spraying cylinder is fixedly arranged on the frame, a sand spraying cavity is formed in the sand spraying cylinder, the feeding device is configured to convey sand into the sand spraying cavity, a sand filtering device is arranged in the sand spraying cavity, at least one group of sand filtering hole units are formed in the sand filtering device, the sand filtering hole units are configured to spray sand after filtering the sand, and a material stirring assembly is rotatably arranged in the sand spraying cavity and is used for conveying the sand to the sand filtering device for sand filtering. Above-mentioned a drum-type drenches sand machine for precision casting system shell adopts the drum-type to drench sand, and material feeding unit carries the sand material to drenching the material intracavity, and the material subassembly will be located drenches the material intracavity sand material and carry to the sand filter department sand filter, not only design benefit, simple structure are reasonable, drenches sand moreover, drenches sand effectual, and the material subassembly is dialled and the material rotates the material loading, realizes the cyclic utilization of sand material, has avoided the waste of sand material.
Description
Technical Field
The utility model belongs to the technical field of precision casting machining, and particularly relates to a roller type sand shower 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.
Most of the existing sand showering machines adopt vertical sand showering machines, sand is conveyed to a sand inlet positioned at a high point through a plate conveyor when showering sand, the sand falls from the sand inlet to shower sand, however, in the actual sand showering process, sand with larger particles can be produced, the non-uniform granularity of the sand easily causes uneven sand showering of a shell, the sand showering effect is poor, in addition, the sand showering process can splash out of the sand, and a large amount of waste is caused.
Disclosure of utility model
The utility model aims to provide a roller type sand shower for manufacturing shells by precision casting, which aims to solve the problems that sand shower of a conventional sand shower in the prior art is uneven and sand materials can be splashed in the sand shower process.
To achieve the purpose, the utility model adopts the following technical scheme:
A roller-type sand shower for manufacturing shells by precision casting comprises a frame, a sand shower cylinder and a feeding device, wherein,
The sand spraying cylinder is fixedly arranged on the frame, a sand spraying cavity is formed in the sand spraying cylinder, the feeding device is configured to convey sand materials into the sand spraying cavity, a sand filtering device is arranged in the sand spraying cavity, at least one group of sand filtering hole units are formed in the sand filtering device and are configured to spray sand after filtering the sand materials, a stirring assembly is rotatably arranged in the sand spraying cavity, the fixed end of the stirring assembly is arranged on the sand spraying cylinder, and the stirring assembly is used for conveying the sand materials to the sand filtering device for sand filtering.
Further, the stirring assembly comprises a plurality of stirring pieces, stirring frames and stirring driving pieces, the stirring frames are rotatably arranged in the stirring cavity, the stirring pieces are distributed on the stirring frames in a circumferential array, one ends of the stirring pieces serve as stirring ends, the fixed ends of the stirring driving pieces are arranged on the sand spraying cylinder, the driving ends of the stirring driving pieces are connected with the stirring frames, and the stirring driving pieces drive the stirring frames to rotate so as to drive the stirring pieces to rotate, so that sand is conveyed to the sand filtering device.
Further, the sand filtering device is fixedly arranged at the top end of the sand spraying cavity, the sand filtering device adopts a vibrating screen, the fixed end of the vibrating screen is connected with the sand spraying cylinder, the two sand filtering hole units are arranged in two groups, the two sand filtering hole units are symmetrically arranged on the vibrating screen along the length direction, each group of sand filtering hole units comprises a plurality of sand filtering holes, and sand flows out from a plurality of sand filtering holes under the vibration action of the vibrating screen to spray sand.
Further, the vibrating screen comprises a vibrating driving piece and a vibrating disc, the vibrating driving piece is fixedly arranged on the sand spraying cylinder through a connecting piece, the driving end of the vibrating driving piece is connected with the vibrating disc, and the vibrating driving piece drives the vibrating disc to vibrate so as to match with a plurality of sand filtering holes, and sand is sprayed after sand is filtered.
Further, a negative pressure adsorption device is arranged on the frame, the negative pressure adsorption device stretches into the sand spraying cylinder to be arranged, and the negative pressure adsorption device is configured to form negative pressure at the opening of the sand spraying cavity so as to prevent sand from splashing.
Compared with the prior art, the roller type sand shower for manufacturing the shell by precision casting has the beneficial effects that: the roller type sand spraying device is adopted, the sand material is conveyed into the sand spraying cavity by the feeding device, the sand material in the sand spraying cavity is conveyed to the sand filtering device by the material stirring component, so that the design is ingenious, the structure is simple and reasonable, the sand spraying is uniform, the sand spraying effect is good, the material stirring component rotates for feeding, the recycling of the sand material is realized, and the waste of the sand material is avoided; the material stirring driving piece stirring rack rotates to drive the plurality of stirring pieces to rotate for uninterrupted feeding, and the repeated and equivalent feeding is realized in a limited space; the sand filtering device adopts the vibrating screen, sand flows out from the sand filtering holes to spray sand under the vibration action of the vibrating screen, the sand filtering effect is good, and uniform sand spraying can be realized; the negative pressure adsorption device is additionally arranged, so that splashing of sand materials is reduced, and waste of the sand materials is further avoided.
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 drum-type sand shower for manufacturing shells by precision casting according to an embodiment of the present utility model;
Fig. 2 is a schematic view of another perspective structure of a drum-type sand shower for manufacturing shells by precision casting according to an embodiment of the present utility model.
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 and 2, in the present embodiment, a drum-type sand shower for manufacturing a shell by precision casting includes a frame 1, a sand shower cylinder 2 and a feeding device, wherein the sand shower cylinder 2 is fixedly installed on the frame 1, the sand shower cylinder 2 is provided with a sand shower cavity 20, the feeding device is configured to convey sand into the sand shower cavity 20, a sand filtering device 3 is provided in the sand shower cavity 20, at least one group of sand filtering hole units 30 are provided on the sand filtering device 3, at least one group of sand filtering hole units 30 are configured to shower sand after filtering the sand, a stirring assembly 4 is rotatably provided in the sand shower cavity 20, a fixed end of the stirring assembly 4 is installed on the sand shower cylinder 2, and the stirring assembly 4 is used for conveying the sand to the sand filtering device 3 for sand filtering.
It is seen that adopting the drum-type to drench sand, material feeding unit carries the sand material to drench in the material chamber 20, and the driving assembly 4 will be located drenching in the material chamber 20 sand material and carry to the sand filter 3 department sand screens of sand filter, not only design benefit, simple structure are reasonable, drench sand moreover evenly, drench sand effectually, driving assembly 4 rotates the material loading, realizes the cyclic utilization of sand material, has avoided the waste of sand material.
As an embodiment, the material stirring assembly 4 includes a plurality of material stirring pieces 40, a material stirring frame 41 and a material stirring driving piece 42, the material stirring frame 41 is rotatably installed in the material stirring cavity 20, the plurality of material stirring pieces 40 are circumferentially distributed on the material stirring frame 41 in an array, one ends of the plurality of material stirring pieces 40 serve as material stirring ends, the fixed ends of the material stirring driving pieces 42 are installed on the sand stirring cylinder 2, the driving ends of the material stirring driving pieces 42 are connected with the material stirring frame 41, and the material stirring driving pieces 42 drive the material stirring frame 41 to rotate so as to drive the plurality of material stirring pieces 40 to rotate, so that sand is conveyed to the sand filtering device 3.
It can be seen that the material stirring driving member 42 stirs the material stirring rack 41 to rotate so as to drive the material stirring members 40 to rotate for continuous feeding, and the material stirring driving member realizes multiple equal feeding in a limited space.
As one implementation mode, the sand filtering device 3 is fixedly arranged at the top end of the sand spraying cavity, the sand filtering device 3 adopts a vibrating screen, the fixed end of the vibrating screen is connected with the sand spraying cylinder 2, the two groups of sand filtering hole units 30 are arranged, the two groups of sand filtering hole units 30 are symmetrically arranged on the vibrating screen along the length direction, each group of sand filtering hole units 30 comprises a plurality of sand filtering holes, and sand flows out from the sand filtering holes to spray sand under the vibration action of the vibrating screen.
Therefore, the sand filtering device 3 adopts the vibrating screen, sand flows out from the sand filtering holes to spray sand under the vibration action of the vibrating screen, the sand filtering effect is good, and uniform sand spraying can be realized.
As one implementation mode, the vibrating screen comprises a vibrating driving piece 31 and a vibrating disc 32, wherein the vibrating driving piece 31 is fixedly arranged on the sand spraying cylinder 2 through a connecting piece, the driving end of the vibrating driving piece 31 is connected with the vibrating disc 32, and the vibrating driving piece 31 drives the vibrating disc 32 to vibrate so as to match with a plurality of sand filtering holes, and sand is sprayed after sand is filtered.
As an embodiment, a negative pressure adsorption device 5 is arranged on the frame 1, the negative pressure adsorption device 5 extends into the sand spraying cylinder 2, and the negative pressure adsorption device 5 is configured to form negative pressure at an opening of the sand spraying cavity 20 so as to prevent sand from splashing.
Therefore, the negative pressure adsorption device 5 is additionally arranged, so that the splashing of sand materials is reduced, and the waste of the sand materials is further avoided.
The roller type sand shower for manufacturing the shell by precision casting is characterized in that when in operation: the feeding device conveys sand into the material spraying cavity 20, the material stirring driving piece 42 drives the material stirring frame 41 to rotate to drive the material stirring pieces 40 to rotate, the material stirring pieces 40 convey the sand to the sand filtering device 3, the vibration driving piece 31 drives the vibration disc 32 to vibrate, and the sand flows out from the sand filtering holes under the vibration action of the vibration disc 32 to spray sand.
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 roller type sand shower for precisely casting shells is characterized in that the roller type sand shower for precisely casting shells comprises a frame, a sand shower cylinder and a feeding device, wherein,
The sand spraying cylinder is fixedly arranged on the frame,
The sand spraying device is characterized in that a sand spraying cavity is formed in the sand spraying cylinder, the feeding device is configured to convey sand to the sand spraying cavity, a sand filtering device is arranged in the sand spraying cavity, at least one group of sand filtering hole units are formed in the sand filtering device, at least one group of sand filtering hole units are configured to spray sand after filtering the sand, a stirring component is rotatably arranged in the sand spraying cavity, the fixed end of the stirring component is mounted on the sand spraying cylinder, and the stirring component is used for conveying the sand to the sand filtering device for sand filtering.
2. The roller type sand shower machine for manufacturing shells by precision casting according to claim 1, wherein the material stirring assembly comprises a plurality of material stirring pieces, material stirring frames and material stirring driving pieces, the material stirring frames are rotatably arranged in the material stirring cavity, the material stirring pieces are distributed on the material stirring frames in a circumferential array, one ends of the material stirring pieces serve as material stirring ends, the fixed ends of the material stirring driving pieces are arranged on the sand shower cylinder, the driving ends of the material stirring driving pieces are connected with the material stirring frames, and the material stirring driving pieces drive the material stirring frames to rotate so as to drive the material stirring pieces to rotate, so that sand is conveyed to the sand filtering device.
3. The drum-type sand shower machine for manufacturing shells by precision casting according to claim 1, wherein the sand filtering device is fixedly arranged at the top end of the sand shower cavity, the sand filtering device adopts a vibrating screen, the fixed end of the vibrating screen is connected with the sand shower cylinder, two groups of sand filtering hole units are symmetrically arranged on the vibrating screen along the length direction, each group of sand filtering hole units comprises a plurality of sand filtering holes, and sand flows out from the sand filtering holes under the vibration action of the vibrating screen to shower sand.
4. A drum-type sand shower machine for casting shells according to claim 3, wherein the vibrating screen comprises a vibrating driving member and a vibrating disc, the vibrating driving member is fixedly mounted on the sand shower cylinder through a connecting member, the driving end of the vibrating driving member is connected with the vibrating disc, and the vibrating driving member drives the vibrating disc to vibrate so as to match with a plurality of sand filtering holes, so that sand is sprayed after sand is filtered.
5. The roller type sand shower machine for manufacturing shells by precision casting according to claim 1, wherein a negative pressure adsorption device is arranged on the frame, the negative pressure adsorption device stretches into the sand shower cylinder and is arranged, and the negative pressure adsorption device is configured to form negative pressure at an opening of the sand shower cavity so as to prevent sand from splashing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322800644.6U CN221269592U (en) | 2023-10-19 | 2023-10-19 | Roller type sand shower for precision casting shell making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322800644.6U CN221269592U (en) | 2023-10-19 | 2023-10-19 | Roller type sand shower for precision casting shell making |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221269592U true CN221269592U (en) | 2024-07-05 |
Family
ID=91708371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322800644.6U Active CN221269592U (en) | 2023-10-19 | 2023-10-19 | Roller type sand shower for precision casting shell making |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221269592U (en) |
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2023
- 2023-10-19 CN CN202322800644.6U patent/CN221269592U/en active Active
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