CN207238419U - A kind of closed type Sand screen - Google Patents
A kind of closed type Sand screen Download PDFInfo
- Publication number
- CN207238419U CN207238419U CN201720921574.1U CN201720921574U CN207238419U CN 207238419 U CN207238419 U CN 207238419U CN 201720921574 U CN201720921574 U CN 201720921574U CN 207238419 U CN207238419 U CN 207238419U
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- screen
- drum
- pillars
- screen drum
- threaded
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Abstract
The utility model discloses a kind of closed type Sand screen,Including base,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 base,Three pillars are equipped with the equal groove of quantity,The base 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 base 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 board is covered on the screen drum of top layer,The fixed plate has three connecting portions,Three connecting portions are respectively engaged with a groove of three pillars,The center section of the fixed plate has threaded hole,The threaded fastener is arranged in threaded hole and by rotating threaded fastener so that cover board is pressed in the lower part of threaded fastener.
Description
Technical field
The technical field of molding sand screening, more particularly to a kind of closed type Sand screen are the utility model is related to, available for certainly
In dynamic screening machine.
Background technology
Under normal circumstances, molding sand is used to build compression mod, third preceding, it is necessary to carry out various property to the model of molding sand structure
Can test, such as air penetrability, warping resistance, the size of the performance of these compression mods and the particle of molding sand has very big relation, because
This, it is necessary to be screened to molding sand before compression mod is built, selects the suitable molding sand of particle.
Utility model content
The technical problems to be solved in the utility model is：A kind of closed type Sand screen is provided, it is suitable to select particle
Molding sand.
In order to solve problem above, concrete scheme provided by the utility model is：A kind of closed type Sand screen, including bottom
Seat, at least three pillars, surge drum, screen drum, cover board, fixed plate and threaded fastener, the structure of three pillars it is identical and
It is respectively and vertically fixed on base, three pillars are equipped with the equal groove of quantity, and the base is equipped with a circle shape
Protrusion, three pillars be distributed in protrusion periphery, the bottom of the surge drum be placed on base and by protrusion surround,
The quantity of the 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 lid
Plate is covered on the screen drum of top layer, and the fixed plate has three connecting portions, and three connecting portions are respectively engaged with three branch
In one groove of column, the center section of the fixed plate has threaded hole, and the threaded fastener is arranged in threaded hole and leads to
Rotation threaded fastener is crossed so that cover board is pressed in the lower part of threaded fastener.
Further, the screen drum is step-like in second order and the outside diameter of bottom is less than or equal to the internal diameter at top, the screen drum
Bottom there is sieve aperture, the outside diameter of the bottom of the screen drum is less than or equal to the internal diameter of surge drum, the outside diameter at the top of the screen drum
More than or equal to the outside diameter of surge drum.
Further, the groove on the pillar is placed equidistant with, the height of the large-diameter portion of the screen drum and the distance of groove
It is equal.
Further, the threaded fastener includes rotation handle, threaded post and briquetting, and the rotation handle is 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 connecting portions of the fixed plate are in hook-shaped and can be connected in groove.
Compared with prior art, the beneficial effects of the utility model are：Sand is placed in the screen drum of top layer, covers cover board,
Then it is fixed on by fixed plate in the groove of pillar, adjusts threaded fastener, the lower end of threaded fastener pushes cover board,
Cover board pushes screen drum, and close laminated together between each layer screen drum, whole device is all fastening, can arbitrarily be shaken, multilayer
Screen drum is stacked, and can improve the husky efficiency of sieve, and the granular size of sand can meet the requirement of molding sand.
Brief description of the drawings
Fig. 1 show the structure diagram of the utility model.
Fig. 2 show the structure diagram of the screen drum in the utility model.
Identified in figure：Base 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.
Embodiment
To make the content of the utility model clearer, below in conjunction with the accompanying drawings, to specific embodiment of the present utility model
It is described in further detail.It should be noted that for purposes of clarity, eliminated in attached drawing and explanation unrelated with the utility model
, the expression and description of component known to persons of ordinary skill in the art.
Embodiment 1 is with reference to figure 1, a kind of closed type Sand screen, including base 1, at least three pillars 2, surge drum 3,
Screen drum 4, cover board 5, fixed plate 6 and threaded fastener, the structure of three pillars 2 is identical and is respectively and vertically fixed at base 1
On, three pillars 2 are equipped with the equal groove 2-1 of quantity, and the base 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 base 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
Cover board 5 is covered on the screen drum 4 of top layer, and there is the fixed plate 6 three connecting portion 6-1, three connecting portion 6-1 to block respectively
It is connected in a groove 2-1 of three pillars 2, the center section of the fixed plate 6 has threaded hole, and the threaded fastener is set
In threaded hole and by rotating threaded fastener so that cover board 5 is pressed in the lower part of threaded fastener.
In said 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, open top, and the outside diameter of bottom is less than or equal to top
Internal diameter, the bottom of the screen drum 4 have sieve aperture, and the outside diameter of the bottom of the screen drum 4 is less than or equal to the internal diameter of surge drum 3, described
The outside diameter at the top of screen drum 4 is more than or equal to the outside diameter of surge drum 3.
Further, the groove 2-1 on the pillar 2 is placed equidistant with, height and the groove 2- of the large-diameter portion of the screen drum 4
1 distance is equal.
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 embodiment is used for illustrating the utility model, rather than to this practicality
It is new to be limited, carried out for the technical solution that those skilled in the art can still illustrate embodiment
Modification, and any modifications and changes made to the utility model also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of closed type Sand screen, it is characterised in that including base, at least three pillars, surge drum, screen drum, cover board, solid
Fixed board and threaded fastener, the structure of three pillars is identical and is respectively and vertically fixed on base, on three pillars
Equipped with the equal groove of quantity, the base 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 base 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 board is covered on the screen drum of top layer, and the fixed plate has
Three connecting portions, three connecting portions are respectively engaged with a groove of three pillars, the center section tool of the fixed plate
There is threaded hole, the threaded fastener is arranged in threaded hole and by rotating threaded fastener so that under threaded fastener
Press cover board in portion.
2. a kind of closed type Sand screen as claimed in claim 1, it is characterised in that the screen drum is step-like in second order and bottom
The outside diameter in portion is less than or equal to the internal diameter at top, and the bottom of the screen drum has a sieve aperture, the outside diameter of the bottom of the screen drum less than etc.
In the internal diameter of surge drum, the outside diameter at the top of the screen drum is more than or equal to the outside diameter of surge drum.
3. a kind of closed type Sand screen as claimed in claim 2, it is characterised in that the groove on the pillar is equidistantly set
Put, the height of the large-diameter portion of the screen drum is equal with the distance of groove.
4. a kind of closed type Sand screen as claimed in claim 1, it is characterised 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 claimed in claim 1, it is characterised in that three connecting portions of the fixed plate are in
It is hook-shaped and can be connected in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720921574.1U CN207238419U (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 |
|---|---|---|---|
| CN201720921574.1U CN207238419U (en) | 2017-07-27 | 2017-07-27 | A kind of closed type Sand screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207238419U true CN207238419U (en) | 2018-04-17 |
Family
ID=61879529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720921574.1U Active CN207238419U (en) | 2017-07-27 | 2017-07-27 | A kind of closed type Sand screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207238419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109304290A (en) * | 2017-07-27 | 2019-02-05 | 南京恒瑞分析仪器有限公司 | A kind of closed type Sand screen |
-
2017
- 2017-07-27 CN CN201720921574.1U patent/CN207238419U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109304290A (en) * | 2017-07-27 | 2019-02-05 | 南京恒瑞分析仪器有限公司 | A kind of closed type Sand screen |
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