CN213792656U - Combined spindle-shaped high-efficiency aggregate screening device - Google Patents
Combined spindle-shaped high-efficiency aggregate screening device Download PDFInfo
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- CN213792656U CN213792656U CN202022360328.8U CN202022360328U CN213792656U CN 213792656 U CN213792656 U CN 213792656U CN 202022360328 U CN202022360328 U CN 202022360328U CN 213792656 U CN213792656 U CN 213792656U
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Abstract
The utility model relates to a high-efficient aggregate screening plant of combined type fusiform, include: the screen body is used for screening out sundries in the raw material sea sand and comprises a screen mesh, a screen frame assembly and a rotating shaft, the screen mesh is welded and attached to the screen frame assembly, the rotating shaft is a driving shaft of the screen body, the rotating shaft is fixedly connected with the screen frame assembly, and the screen body is rotatably arranged on the support body; the support body is a frame structure formed by welding profile steels and is used for supporting the weight of the screen body and bearing the operation load; the screen box groove is positioned below the screen body and close to the side of the feed port of the screen body, is of a cavity structure formed by splicing steel plates, and is used for collecting the sea sand particles falling from the screen body, preventing the sea sand particles from scattering outwards and playing a role in guiding flow; and the guide chute is positioned below the screen body and close to the discharge port side of the screen body, and is used for collecting sundries such as mud blocks, shells and the like and guiding the sundries to other conveying devices. The utility model discloses can be to raw materials sea sand substep, degree of depth edulcoration, screening edulcoration link has characteristics such as high efficiency, energy-conservation, edulcoration rate height.
Description
Technical Field
The utility model belongs to the technical field of building engineering aggregate screening, especially, relate to a high-efficient aggregate screening plant of combined type fusiform.
Background
The continuous and continuous development of national infrastructure promotes the continuous increase of the demand of the society on sand resources, the excessive exploitation of river sand resources cannot meet the demand of sand source markets, and environmental problems generated along with the exploitation are concerned by governments and society. Sea sand resources attract people's attention with excellent gradation conditions and abundant reserves. Scientific development and utilization of sea sand resources have become a trend of development all over the world, developed countries abroad have formed a large-scale industrial chain, and China is gradually perfecting policy and regulations for popularizing and utilizing sea sand. According to the requirements of national standard, the prerequisite for sea sand to enter the building market is to remove impurities and desalt to make it meet the specified quality requirements. The first step of screening out impurities is a key link for sea sand treatment, and impurities such as shells, mud blocks, mica, light substances and the like can be removed in the link.
The existing sea sand screening equipment has a cylindrical structure and a layered structure, and although the equipment can basically realize the function of screening and impurity removing of sea sand, the equipment has the problems of low production efficiency, poor impurity removing effect, high energy consumption and the like.
Disclosure of Invention
The utility model discloses a solve the problem that exists among the prior art, provided a high-efficient aggregate screening plant of combined type fusiform for sea sand selects separately edulcoration, the device has characteristics such as high efficiency, energy-conservation, edulcoration rate height to raw materials sea sand screening edulcoration link, selects separately the edulcoration link for sea sand and provides reliable equipment technical support.
The utility model relates to a realize like this, a high-efficient aggregate screening plant of combined type fusiform, include:
the screen body is used for screening out sundries in raw material sea sand and comprises a screen mesh, a screen frame assembly and a rotating shaft, the screen mesh is welded and attached to the screen frame assembly, the rotating shaft is a driving shaft of the screen body, the rotating shaft is fixedly connected with the screen frame assembly, and the screen body is rotatably arranged on the support body;
the support body is a frame structure formed by welding profile steels and is used for supporting the weight of the screen body and bearing the operation load;
the screen box groove is positioned below the screen body and close to the side of the feed port of the screen body, is of a cavity structure formed by splicing steel plates, and is used for collecting the sea sand particles falling from the screen body, preventing the sea sand particles from scattering outwards and playing a role in guiding flow;
and the guide chute is positioned below the screen body and close to the discharge port side of the screen body, and is used for collecting sundries such as mud blocks, shells and the like and guiding the sundries to other conveying devices.
In the above technical solution, preferably, the screen is divided into an inner screen and an outer screen, the inner screen is located inside the screen body, the outer screen is located outside the screen body, and the inner screen and the outer screen are coaxially arranged; correspondingly, the bank subassembly is the two-layer screen frame skeleton texture that comprises the steel welding, including inlayer bank and outer bank, the welding of interior screen cloth is attached to on the inlayer bank, the welding of outer screen cloth is attached to on the outer bank, forms two screening cavitys, and wherein interior screen cloth is attached to the internal surface of inlayer bank according to the pattern size of inlayer bank, and outer screen cloth is attached to the surface of outer bank according to the pattern size of outer bank.
In the above technical scheme, it is further preferable that the inner screen and the outer screen are both woven wire meshes, the mesh of the inner screen is larger than the mesh of the outer screen, impurities are screened out twice, the mesh size of the inner screen is 6.5-7.5mm, the mesh size of the outer screen is 4.5-4.7mm, and the specific size can be determined according to production needs.
In the above technical solution, it is further preferable that the outer contours of the inner screen frame and the outer screen frame are both spindle-shaped, and the radial distance between the inner screen frame and the outer screen frame on the same cross section is not less than 300 mm.
In the above technical solution, it is further preferable that the inner screen frame and the outer screen frame are supported and connected by a steel strut.
In the above technical solution, preferably, the screen frame assembly is rigidly connected to the rotating shaft through a section steel strut.
In above-mentioned technical scheme, it is preferred, the pivot of screen frame supports rotatable the installing on stake body through the bearing, supports through the bearing and connects screen frame and stake body, and the bearing supports the load transfer to stake body that is used for the screen frame to realize the rotation of screen frame under the exogenic action.
In the above technical solution, it is further preferable that both ends of the rotating shaft are respectively mounted on the support body through an upper bearing support and a lower bearing support, a height difference is formed between mounting heights of the upper bearing support and the lower bearing support on the support body, and the height difference is determined by an inclination angle required by production, so that the screen body is obliquely mounted on the support body.
In the above technical scheme, preferably, the sieve box groove is installed on the support body, the sieve box groove includes a sieve box groove upper section, a sieve box groove lower section and a sieve box notch, and the sieve box groove upper section and the sieve box groove lower section are both inclined downward toward the sieve box notch.
In the above technical solution, preferably, the material guide chute is a rectangular funnel cavity structure formed by welding steel plates, and includes a material guide chute side plate and a material guide chute opening.
The utility model has the advantages and positive effects that:
(1) the utility model adopts the composite double-layer screen structure, the mesh of the inner screen is larger, the mesh of the outer screen is smaller, the screen body rotates under the action of external driving force, and the two-time synchronous screening of sea sand raw materials can be realized in the rotating process; wherein the inner screen cloth sieves out bulky debris such as shell, clod at first, and all the other materials fall into outer screen cloth, and outer screen cloth sieves except that of slightly fine particle debris once more, has improved the screening efficiency, the edulcoration ability of device, energy consumption utilization ratio and production space utilization ratio.
(2) The design process of the utility model utilizes the theoretical knowledge of mechanical design and tribology as guidance, designs the appearance of the screen frame component and the attached screen into spindle shape, so that the speed of the downward sliding of sea sand granules in different stages in the screening process is fast and slow, and good screening effect is obtained to the maximum extent; reasonable structural design lets screening plant have good function, and whole device's cost is lower simultaneously, overhauls the convenience.
Drawings
Fig. 1 is a perspective view of a composite spindle-shaped high-efficiency granule screening device provided by an embodiment of the present invention;
FIG. 2 is a front view of a composite spindle-shaped high-efficiency pellet screening device provided in an embodiment of the present invention;
fig. 3 is a perspective view of a lower structure of a screening device according to an embodiment of the present invention;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a perspective view of a screen frame assembly provided by an embodiment of the present invention;
fig. 6 is a front view of a screen frame assembly according to an embodiment of the present invention.
In the figure: 1. a screen body; 101. screening a screen; 1011. an inner screen; 1012. an outer screen; 102. a screen frame assembly; 1021. an inner screen frame; 1022. an outer layer screen frame; 10201. flat steel; 10202. straight smooth round steel bars; 10203. circularly polishing the round steel bars; 10204. a section steel support rod; 103. a rotating shaft; 2. supporting an upper bearing; 3. a material guide chute; 301. a guide chute side plate; 302. a material guide notch; 4. a sieve box groove; 401. a screen box slot; 402. the upper section of the sieve box groove; 403. the lower section of the sieve box groove; 5. a stent body; 6. and the lower bearing supports.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:
in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, an embodiment of the present invention provides a composite spindle-shaped high-efficiency granule screening device, including: the screen frame 1, upper bearing support 2, baffle box 3, sieve case groove 4, stake body 5, lower bearing support 6.
The screen body 1 is a core component for realizing the function of screening out impurities in the raw material sea sand, and comprises a screen 101, a screen frame component 102 and a rotating shaft 103.
The screen 101 is divided into an inner layer and an outer layer of composite structures, namely an inner screen 1011 and an outer screen 1012, so that sundries can be screened twice when the screen body 1 rotates. The inner screen 1011 is located inside the screen body 1, and the outer screen 1012 is located outside the screen body 1, and the two screens are coaxially arranged. The inner screen 1011 and the outer screen 1012 are both steel wire woven meshes, the mesh size of the inner screen 1011 is 6.5-7.5mm, the mesh size of the outer screen 1012 is 4.5-4.7mm, and the specific size can be determined according to production requirements.
The screen frame assembly 102 is a metal frame formed by combining flat steel 10201, straight smooth round steel 10202, annular smooth round steel 10203 and rectangular steel support bars 10204, and can bear the load generated by the self structure and sea sand; the screen frame assembly 102 is an inner-outer two-layer composite structure, and comprises an inner-layer screen frame 1021 and an outer-layer screen frame 1022 which are respectively distributed on the inner side and the outer side of the screen frame assembly 102, and the inner-layer screen frame 1021 and the outer-layer screen frame 1022 are supported and connected by 5 groups of section steel supporting rods with the same structure. The shape profiles of the inner layer sieve frame 1021 and the outer layer sieve frame 1022 are both spindle-shaped, the size of a cavity space formed by the spindle-shaped sieve frames is determined according to production capacity, and the radial distance of the inner layer sieve frame 1021 and the outer layer sieve frame 1022 on the same section is not less than 300 mm.
The rotating shaft 103 is a hollow circular tube steel structure and is a driving shaft of the screen body, the rotating shaft can drive the whole screen body to rotate under the action of external power, and two ends of the rotating shaft 103 are connected to the support body 5 through the upper bearing support 2 and the lower bearing support 6 respectively and keep a certain inclination angle with the horizontal plane. In the embodiment, the rotating shaft 103 is 4000mm long, 80mm in outer diameter and 60mm in inner diameter, the working rotating speed is 40-60r/min, and the angle range between the rotating shaft 103 and the horizontal plane is preferably 9-12 degrees.
The screen frame assembly 102 is rigidly connected to the rotating shaft 103 through 5 groups of section steel struts, and each group of section steel struts is composed of 4 rectangular section steel struts 10204.
The upper bearing support 2 and the lower bearing support 6 are respectively positioned at two ends of the screen body 1, are connected with the rotating shafts 103 of the support body 5 and the screen body 1, can transmit the load of the screen body 1 to the support body 5, and ensure the relative rotation of the screen body 1. The mounting height of the upper bearing support 2 on the support body is higher than that of the lower bearing support 6 on the support body 5, so that a certain height difference is formed between the feeding end and the discharging end of the screen body 1, and the specific mounting positions of the upper bearing support 2 and the lower bearing support 6 can be determined according to the inclination angle of the screen body 1 required by production.
The material guide chute 3 is located at the rear side (i.e. the discharge port side) of the lower part of the screen body 1, is a rectangular funnel cavity structure formed by welding steel plates between frames of the support body 5, and comprises a material guide chute side plate 301 and a material guide chute opening 302. The guide chute side plate 301 can collect impurities from the inner cavities of the inner screen 1011 and the outer screen 1012, discharge the impurities through the guide chute opening 302 and guide the impurities to other conveying devices.
The screen box groove 4 is located on the front side (i.e. the side of the feed port) of the lower part of the screen body 1, is a cavity structure formed between the frames of the support body 5 by welding steel plates, and comprises a screen box notch 401, a screen box groove upper section 402 and a screen box groove lower section 403. Sieve case groove upper segment 402 and sieve case groove lower segment 403 all are to sieve case notch 401 side down inclination state setting, and sieve case groove upper segment 402 is 15 inclination states, and sieve case groove lower segment 403 is 15 inclination states, and both meet a welded connection, are the least significant end in sieve case notch 401 department. Sand falling from the front of the screen 101 falls onto the upper screen box trough section 402 and slides down the slope through the screen box slot opening 401, and sand falling from the rear of the screen 101 falls onto the lower screen box trough section 403 and slides down the slope through the screen box slot opening 401.
The bracket body 5 is a welded frame trapezoidal table structure, and provides a position where the upper bearing support 2 and the lower bearing support 6 are installed, and an attachment body of the guide chute 3 and the screen box chute 4.
The working principle of the utility model is explained below with reference to the embodiment, and the process of the screening operation is as follows:
raw materials sea sand flows into the inner chamber of inner screen cloth 1011 from the upper end feed inlet of screen frame 1 of screening plant, because screen frame 1 rotates under the external power drive in succession, raw materials sea sand can slide along with inner screen cloth 1011 in the circumference production because of receiving screen frame 1 frictional force effect, and simultaneously because screen frame 1 has certain angle of inclination again, raw materials sea sand can produce the downward slip under the action of gravity. Since the screen body 1 is provided with the inner screen 1011 and the outer screen 1012, the mesh of the inner screen 1011 is larger than that of the outer screen 1012. In the process of gliding and circumferential sliding of the raw material sea sand, the sea sand particles smaller than the aperture of the screen mesh can fall down, and the impurities larger than the aperture of the screen mesh can not pass through the screen mesh, and glide to the material guide groove 3 to be discharged through the first screening cavity of the inner screen mesh 1011 and the second screening cavity of the outer screen mesh 1012 respectively. The sea sand smaller than the apertures of the inner screen 1011 and the outer screen 1012 sequentially passes through the inner screen 1011 and the outer screen 1012, and finally slides out through the screen box slot 4, and enters the next treatment process.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a combined type fusiform high-efficient aggregate screening plant which characterized in that includes:
the screen body is used for screening out sundries in raw material sea sand and comprises a screen mesh, a screen frame assembly and a rotating shaft, the screen mesh is welded and attached to the screen frame assembly, the rotating shaft is a driving shaft of the screen body, the rotating shaft is fixedly connected with the screen frame assembly, and the screen body is rotatably arranged on the support body;
the support body is a frame structure formed by welding profile steels and is used for supporting the weight of the screen body and bearing the operation load;
the screen box groove is positioned below the screen body and close to the side of the feed port of the screen body, is of a cavity structure formed by splicing steel plates, and is used for collecting the sea sand particles falling from the screen body, preventing the sea sand particles from scattering outwards and playing a role in guiding flow;
and the guide chute is positioned below the screen body and close to the discharge port side of the screen body, and is used for collecting mud blocks and shell sundries and guiding the mud blocks and the shell sundries to the conveying device.
2. The composite spindle-shaped high-efficiency pellet screening device as claimed in claim 1, wherein the screen is divided into an inner screen and an outer screen, the inner screen is located inside the screen body, the outer screen is located outside the screen body, and the inner screen and the outer screen are coaxially arranged; correspondingly, the sieve frame subassembly is the two-layer screen frame skeleton texture of constituteing by the steel welding, including inlayer sieve frame and outer sieve frame, the welding of interior screen cloth is attached to on the inlayer sieve frame, outer screen cloth welding is attached to on the outer sieve frame, forms two screening cavitys.
3. The composite spindle-shaped high-efficiency pellet screening device as claimed in claim 2, wherein the inner screen and the outer screen are both woven wire meshes, and the meshes of the inner screen are larger than those of the outer screen.
4. The composite spindle-shaped high-efficiency granule screening device as claimed in claim 2 or 3, wherein the outer profiles of the inner layer screen frame and the outer layer screen frame are both spindle-shaped, and the radial distance of the inner layer screen frame and the outer layer screen frame on the same cross section is not less than 300 mm.
5. The apparatus as claimed in claim 4, wherein the inner and outer layers are supported by steel struts.
6. The composite spindle high efficiency pellet screening apparatus as claimed in claim 1, wherein said screen frame assembly is rigidly connected to said shaft by steel struts.
7. The composite spindle-shaped high-efficiency granule screening device as claimed in claim 1, wherein the rotating shaft of the screen body is rotatably mounted on the support body through a bearing support, and the bearing support is used for transferring the load of the screen body to the support body and realizing the rotation of the screen body under the external force.
8. The apparatus as claimed in claim 7, wherein the two ends of the shaft are respectively mounted on the frame body through an upper bearing support and a lower bearing support, the mounting heights of the upper bearing support and the lower bearing support on the frame body form a height difference, the height difference is determined by the required inclination angle for production, so that the frame body is obliquely mounted on the frame body.
9. The composite spindle-shaped high-efficiency granule screening device as claimed in claim 1, wherein the screen box groove is mounted on the bracket body, the screen box groove comprises an upper screen box groove section, a lower screen box groove section and a screen box notch, and the upper screen box groove section and the lower screen box groove section are both arranged in a manner of inclining towards the side of the screen box notch.
10. The composite spindle-shaped high-efficiency granule screening device as claimed in claim 1, wherein the material guiding chute is a rectangular funnel cavity structure formed by welding steel plates, and comprises a material guiding chute side plate and a material guiding chute opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022360328.8U CN213792656U (en) | 2020-10-21 | 2020-10-21 | Combined spindle-shaped high-efficiency aggregate screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022360328.8U CN213792656U (en) | 2020-10-21 | 2020-10-21 | Combined spindle-shaped high-efficiency aggregate screening device |
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| Publication Number | Publication Date |
|---|---|
| CN213792656U true CN213792656U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022360328.8U Active CN213792656U (en) | 2020-10-21 | 2020-10-21 | Combined spindle-shaped high-efficiency aggregate screening device |
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|---|---|
| CN (1) | CN213792656U (en) |
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- 2020-10-21 CN CN202022360328.8U patent/CN213792656U/en active Active
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