CN109304290A - A kind of closed type Sand screen - Google Patents
A kind of closed type Sand screen Download PDFInfo
- Publication number
- CN109304290A CN109304290A CN201710624103.9A CN201710624103A CN109304290A CN 109304290 A CN109304290 A CN 109304290A CN 201710624103 A CN201710624103 A CN 201710624103A CN 109304290 A CN109304290 A CN 109304290A
- Authority
- CN
- China
- Prior art keywords
- screen
- drum
- pillars
- screen drum
- threaded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Abstract
The invention discloses a kind of closed type Sand screens, including pedestal, at least three pillars, surge drum, screen drum, cover board, fixed plate and threaded fastener, the structure of three pillars is identical and is respectively and vertically fixed on pedestal, three pillars are equipped with the equal groove of quantity, the pedestal is equipped with the protrusion of a circle shape, three pillars are distributed in the periphery of protrusion, the bottom of the surge drum is placed on pedestal and is surrounded by protrusion, the quantity of the screen drum is N number of and is layered on surge drum, from top to bottom, the screen-aperture of N layers of screen drum is gradually reduced, the cover plate lid is closed on the screen drum of top layer, there are three interconnecting pieces for the fixed plate tool, three interconnecting pieces are respectively engaged in a groove of three pillars, the middle section of the fixed plate has threaded hole, the threaded fastener is arranged in threaded hole And by rotation threaded fastener so that cover board is pressed in the lower part of threaded fastener.
Description
Technical field
The present invention relates to the technical field of molding sand screening more particularly to a kind of closed type Sand screens, can be used for Automatic sieve
It selects in machine.
Background technique
Under normal circumstances, molding sand is for constructing compression mod, third before, need to carry out various property to the model that molding sand constructs
Can test, such as air penetrability, warping resistance, the size of the particle of the performance and molding sand of these compression mods has very big relationship, because
This needs to screen molding sand before constructing compression mod, selects the suitable molding sand of particle.
Summary of the invention
The technical problem to be solved by the present invention is a kind of closed type Sand screen is provided, to select the suitable molding sand of particle.
In order to solve problem above, concrete scheme provided by the invention is: a kind of closed type Sand screen, including pedestal,
The structure of at least three pillars, surge drum, screen drum, cover board, fixed plate and threaded fastener, three pillars is identical and distinguishes
It is vertically fixed on pedestal, three pillars are equipped with the equal groove of quantity, and the pedestal is equipped with the convex of a circle shape
It rises, three pillars are distributed in the periphery of protrusion, and the bottom of the surge drum is placed on pedestal and is surrounded by protrusion, described
The quantity of screen drum is N number of and is layered on surge drum that from top to bottom, the screen-aperture of N layers of screen drum is gradually reduced, the cover plate lid
It closes on the screen drum of top layer, for the fixed plate tool there are three interconnecting piece, three interconnecting pieces are respectively engaged with three pillars
In one groove, the middle section of the fixed plate has threaded hole, and the threaded fastener is arranged in threaded hole and passes through rotation
Turn threaded fastener so that cover board is pressed in the lower part of threaded fastener.
Further, the screen drum is in second order is step-like and the outer diameter of bottom is less than or equal to the internal diameter at top, the screen drum
Bottom there is sieve pore, the outer diameter of the bottom of the screen drum is less than or equal to the internal diameter of surge drum, the outer diameter at the top of the screen drum
More than or equal to the outer diameter of surge drum.
Further, the groove on the pillar is placed equidistant with, and the height of the large-diameter portion of the screen drum is at a distance from groove
It is equal.
Further, the threaded fastener includes that rotation handle, threaded post and briquetting, the rotation handle are fixed on spiral shell
The upper end of line column, the briquetting are fixed on the lower end of threaded post, and the threaded post is located in threaded hole.
Further, three interconnecting pieces of the fixed plate are in hook-shaped and can be clamped in a groove.
Compared with prior art, the beneficial effects of the present invention are: sand is placed in the screen drum of top layer, cover board is covered, then
In the groove that fixed plate is fixed on pillar, threaded fastener is adjusted, the lower end of threaded fastener pushes cover board, cover board
Screen drum is pushed, close laminated together between each layer screen drum, whole device is all fastening, can arbitrarily be shaken, multilayer screen drum
It is stacked, the husky efficiency of sieve can be improved, the granular size of sand can meet the requirement of molding sand.
Detailed description of the invention
Fig. 1 show structural schematic diagram of the invention.
Fig. 2 show the structural schematic diagram of the screen drum in the present invention.
It is identified in figure: pedestal 1, protrusion 1-1, pillar 2, groove 2-1, surge drum 3, screen drum 4, cover board 5, fixed plate 6, connection
Portion 6-1, rotation handle 7-1, threaded post 7-2 and briquetting 7-3.
Specific embodiment
To keep the contents of the present invention clearer, with reference to the accompanying drawing, a specific embodiment of the invention is made further
Detailed description.It should be noted that for purposes of clarity, it is omitted that unrelated to the invention, this field is common in attached drawing and explanation
The expression and description of component known to technical staff.
Embodiment 1 refer to Fig. 1, a kind of closed type Sand screen, including pedestal 1, at least three pillars 2, surge drum 3,
The structure of screen drum 4, cover board 5, fixed plate 6 and threaded fastener, three pillars 2 is identical and is respectively and vertically fixed at pedestal 1
On, three pillars 2 are equipped with the equal groove 2-1 of quantity, and the pedestal 1 is equipped with the raised 1-1 of a circle shape, described
Three pillars 2 are distributed in the periphery of raised 1-1, and the bottom of the surge drum 3 is placed on pedestal 1 and is surrounded by raised 1-1, institute
The quantity for stating screen drum 4 is N number of and is layered on surge drum 3 that from top to bottom, the screen-aperture of N layers of screen drum 4 is gradually reduced, described
The lid of cover board 5 closes on the screen drum 4 of top layer, and there are three interconnecting piece 6-1, three interconnecting piece 6-1 to block respectively for the tool of fixed plate 6
It connects in a groove 2-1 of three pillars 2, the middle section of the fixed plate 6 has threaded hole, the threaded fastener setting
So that cover board 5 is pressed in the lower part of threaded fastener in threaded hole and through rotation threaded fastener.
In above structure, sand is placed in the screen drum 4 of top layer, cover board 5 is covered, is then fixed on by fixed plate 6
In the groove 2-1 of pillar 2, threaded fastener is adjusted, the lower end of threaded fastener pushes cover board 5, and cover board 5 pushes screen drum 4, each layer
Close laminated together between screen drum 4, whole device is all fastening, can arbitrarily be shaken.
In concrete application, the screen drum 4 is step-like in second order, top opening, and the outer diameter of bottom is less than or equal to top
Internal diameter, the bottom of the screen drum 4 have sieve pore, and the outer diameter of the bottom of the screen drum 4 is less than or equal to the internal diameter of surge drum 3, described
The outer diameter at the top of screen drum 4 is more than or equal to the outer diameter of surge drum 3.
Further, the groove 2-1 on the pillar 2 is placed equidistant with, the height and groove 2- of the large-diameter portion of the screen drum 4
1 is equidistant.
Further, the threaded fastener includes rotation handle 7-1, threaded post 7-2 and briquetting 7-3, the rotation handle
Handle 7-1 is fixed on the upper end of threaded post 7-2, and the briquetting 7-3 is fixed on the lower end of threaded post 7-2, and the threaded post 7-2 is located at
In threaded hole.
Finally, it should be noted that above-mentioned specific embodiment is used to illustrate the present invention, rather than the present invention is carried out
Limitation, the technical solution that can be still illustrated embodiment for those skilled in the art are modified, and
Any modifications and changes made to the present invention also should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of closed type Sand screen, which is characterized in that including pedestal, at least three pillars, surge drum, screen drum, cover board, consolidate
The structure of fixed board and threaded fastener, three pillars is identical and is respectively and vertically fixed on pedestal, on three pillars
Equipped with the equal groove of quantity, the pedestal is equipped with the protrusion of a circle shape, and three pillars are distributed in the periphery of protrusion,
The bottom of the surge drum is placed on pedestal and is surrounded by protrusion, and the quantity of the screen drum is N number of and is layered on surge drum,
From top to bottom, the screen-aperture of N layers of screen drum is gradually reduced, and the cover plate lid is closed on the screen drum of top layer, and the fixed plate has
Three interconnecting pieces, three interconnecting pieces are respectively engaged in a groove of three pillars, the middle section tool of the fixed plate
There is threaded hole, the threaded fastener is arranged in threaded hole and by rotation threaded fastener so that under threaded fastener
Press cover board in portion.
2. a kind of closed type Sand screen as described in claim 1, which is characterized in that the screen drum is step-like in second order and bottom
The outer diameter in portion is less than or equal to the internal diameter at top, and the bottom of the screen drum has a sieve pore, and the outer diameter of the bottom of the screen drum is less than etc.
In the internal diameter of surge drum, the outer diameter at the top of the screen drum is more than or equal to the outer diameter of surge drum.
3. a kind of closed type Sand screen as claimed in claim 2, which is characterized in that the groove on the pillar is equidistantly set
It sets, the height of the large-diameter portion of the screen drum and being equidistant for groove.
4. a kind of closed type Sand screen as described in claim 1, which is characterized in that the threaded fastener includes rotation handle
Handle, threaded post and briquetting, the rotation handle are fixed on the upper end of threaded post, and the briquetting is fixed on the lower end of threaded post, institute
Threaded post is stated to be located in threaded hole.
5. a kind of closed type Sand screen as described in claim 1, which is characterized in that three interconnecting pieces of the fixed plate are in
It is hook-shaped and can be clamped in a groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624103.9A CN109304290A (en) | 2017-07-27 | 2017-07-27 | A kind of closed type Sand screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624103.9A CN109304290A (en) | 2017-07-27 | 2017-07-27 | A kind of closed type Sand screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109304290A true CN109304290A (en) | 2019-02-05 |
Family
ID=65202220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710624103.9A Pending CN109304290A (en) | 2017-07-27 | 2017-07-27 | A kind of closed type Sand screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109304290A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4193434A (en) * | 1978-08-10 | 1980-03-18 | Illinois Tool Works Inc. | Preassembled fastener unit for clamping plastic workpieces |
| CN87212186U (en) * | 1987-08-24 | 1988-04-13 | 上海制药机械厂 | Disc screening machine |
| TW201032899A (en) * | 2009-03-02 | 2010-09-16 | Univ Ishou | Filter device |
| CN203725360U (en) * | 2013-11-25 | 2014-07-23 | 杭州千岛湖兴宝菇业专业合作社 | Mushroom screening device |
| CN104880397A (en) * | 2015-06-10 | 2015-09-02 | 中国科学院武汉岩土力学研究所 | Testing device for equivalent aperture of geotechnical synthetic material under tensile condition |
| CN205870013U (en) * | 2016-04-16 | 2017-01-11 | 张雯 | Steel pipe is clamping device for manufacture |
| CN206208870U (en) * | 2016-12-02 | 2017-05-31 | 湖南科技大学 | A kind of slake-durability test instrument of the outer force-disturbance of mitigation |
| CN207238419U (en) * | 2017-07-27 | 2018-04-17 | 南京恒瑞分析仪器有限公司 | A kind of closed type Sand screen |
-
2017
- 2017-07-27 CN CN201710624103.9A patent/CN109304290A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4193434A (en) * | 1978-08-10 | 1980-03-18 | Illinois Tool Works Inc. | Preassembled fastener unit for clamping plastic workpieces |
| CN87212186U (en) * | 1987-08-24 | 1988-04-13 | 上海制药机械厂 | Disc screening machine |
| TW201032899A (en) * | 2009-03-02 | 2010-09-16 | Univ Ishou | Filter device |
| CN203725360U (en) * | 2013-11-25 | 2014-07-23 | 杭州千岛湖兴宝菇业专业合作社 | Mushroom screening device |
| CN104880397A (en) * | 2015-06-10 | 2015-09-02 | 中国科学院武汉岩土力学研究所 | Testing device for equivalent aperture of geotechnical synthetic material under tensile condition |
| CN205870013U (en) * | 2016-04-16 | 2017-01-11 | 张雯 | Steel pipe is clamping device for manufacture |
| CN206208870U (en) * | 2016-12-02 | 2017-05-31 | 湖南科技大学 | A kind of slake-durability test instrument of the outer force-disturbance of mitigation |
| CN207238419U (en) * | 2017-07-27 | 2018-04-17 | 南京恒瑞分析仪器有限公司 | A kind of closed type Sand screen |
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