CN113857035A - Edulcoration device is used in concrete production - Google Patents
Edulcoration device is used in concrete production Download PDFInfo
- Publication number
- CN113857035A CN113857035A CN202111331018.6A CN202111331018A CN113857035A CN 113857035 A CN113857035 A CN 113857035A CN 202111331018 A CN202111331018 A CN 202111331018A CN 113857035 A CN113857035 A CN 113857035A
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- Prior art keywords
- fixedly connected
- concrete production
- frame
- screening
- assembly
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- 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.)
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Classifications
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- 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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for 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
- 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
- B07B1/48—Stretching devices for screens
- B07B1/49—Stretching devices for screens stretching more than one screen or screen section by the same or different stretching means
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses an impurity removing device for concrete production, which comprises: the device comprises a rack, and an impurity removing mechanism and a driving mechanism which are arranged on the top of the rack; the impurity removing mechanism consists of a screening component, a shaking component and a turning component; the screening component is used for screening impurities in the concrete raw material; the shaking assembly and the driving mechanism are used for providing screening power for the screening assembly; wherein, upset subassembly is used for carrying out the ejection of compact to the inside impurity of screening subassembly. According to the impurity removing device for concrete production, due to the mutual matching of the rack, the impurity removing mechanism and the driving mechanism, the impurity removing device for concrete production is realized, not only can the concrete raw materials be shaken in a reciprocating mode, the impurity removing efficiency is improved, but also the impurities on the sieve plate can be conveniently dumped and cleaned, so that the convenience in cleaning of workers is improved, and the sieve plate can be conveniently disassembled, assembled and replaced when the sieve plate is damaged, so that the practicability of the impurity removing device is greatly improved.
Description
Technical Field
The invention relates to the technical field of concrete production equipment, in particular to an impurity removing device for concrete production.
Background
In the prior art, common concrete refers to artificial stone which is prepared by taking cement as a main cementing material, adding water, sand, stones and chemical additives and mineral additives if necessary, mixing the materials according to a proper proportion, uniformly stirring, densely forming, curing and hardening; concrete is mainly divided into two stages and states: plastic state before setting and hardening, namely fresh concrete or concrete mixture; in the hardened state, i.e. hardened concrete or concrete, impurities in the raw materials need to be screened out in the concrete production process to ensure the quality of the concrete.
Need carry out the edulcoration to concrete raw materials in the concrete course of working, however concrete raw materials edulcoration device inefficiency among the prior art, at the edulcoration in-process, the impurity of screening is piled up on the sieve, is difficult to the clearance, and inconvenient dismouting to the sieve, consequently is not convenient for change the sieve to the practicality has been reduced.
Disclosure of Invention
The invention aims to provide an impurity removing device for concrete production, which can not only shake concrete raw materials in a reciprocating manner and improve the impurity removing efficiency, but also facilitate the dumping and cleaning of impurities on a sieve plate, thereby improving the cleaning convenience of workers, but also facilitate the disassembly and replacement of the sieve plate when the sieve plate is damaged, thereby greatly improving the practicability of the impurity removing device provided by the invention and solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an edulcoration device is used in concrete production includes: the device comprises a rack, and an impurity removing mechanism and a driving mechanism which are arranged on the top of the rack;
the impurity removing mechanism is composed of a screening component, a shaking component and a turning component;
the screening assembly is used for screening impurities in the concrete raw material;
the shaking assembly and the driving mechanism are used for providing screening power for the screening assembly;
wherein, upset subassembly is used for carrying out the ejection of compact to the inside impurity of screening subassembly.
Preferably, the equal fixedly connected with supporting leg in dead angle department of frame bottom, the bottom fixedly connected with of supporting leg removes the wheel, just remove the universal wheel of taking turns for having the lock function of dying.
Preferably, the screening subassembly includes the reel, through installation component fixedly connected with sieve on the inner wall of reel, the installation component includes fixed connection and is in slide frame on the sieve, sliding connection has the kelly on the slide frame, seted up on the inner wall of reel with the draw-in groove of kelly looks adaptation, the cover is equipped with the joint spring on the kelly.
Preferably, it includes fixed connection and is in the first mount pad at frame top to rock the subassembly, there is first slide bar through sliding sleeve sliding connection on the first mount pad, the one end of first slide bar is passed through ball bearing and is rotated and install on the reel, the other end fixedly connected with atress board of first slide bar, the cover is equipped with reset spring on the first slide bar, actuating mechanism includes fixed connection and is in the mounting bracket at frame top, the top fixedly connected with driving motor of mounting bracket side, fixedly connected with drive shaft on driving motor's the output shaft, fixedly connected with cam in the drive shaft.
Preferably, the shaking assembly further comprises a limiting telescopic rod fixedly connected to the side face of the stress plate, and the other end of the limiting telescopic rod is fixedly connected with the first mounting seat through a mounting block.
Preferably, one end of the driving shaft, which is far away from the driving motor, is rotatably connected with the mounting frame through a ball bearing.
Preferably, the upset subassembly includes fixed connection and is in the second mount pad at frame top, there is the second slide bar through sliding sleeve sliding connection on the second mount pad, the one end of second slide bar is rotated through ball bearing and is connected with from the driving wheel, just keep away from the driving wheel one side of second slide bar with the side fixed connection of reel, the other end fixedly connected with support frame of second slide bar, fixedly connected with servo motor on the support frame, fixedly connected with action wheel on servo motor's the output shaft, just the action wheel pass through the drive belt with from driving wheel transmission connection.
Preferably, the turnover assembly further comprises limiting sliding rods symmetrically connected to two sides of the support frame, and the limiting sliding rods are slidably connected with the second mounting seat through limiting sliding sleeves.
Compared with the prior art, the invention has the beneficial effects that:
according to the impurity removing device for concrete production, due to the mutual matching of the rack, the impurity removing mechanism and the driving mechanism, the impurity removing device for concrete production is realized, not only can the concrete raw materials be shaken in a reciprocating mode, the impurity removing efficiency is improved, but also the impurities on the sieve plate can be conveniently dumped and cleaned, so that the convenience in cleaning of workers is improved, and the sieve plate can be conveniently disassembled, assembled and replaced when the sieve plate is damaged, so that the practicability of the impurity removing device is greatly improved.
Drawings
FIG. 1 is a schematic structural view of an impurity removing device for concrete production according to the present invention;
FIG. 2 is a schematic structural view of another view angle of the impurity removing device for concrete production according to the present invention;
FIG. 3 is a schematic structural view of a frame in the impurity removing device for concrete production according to the present invention;
FIG. 4 is a schematic structural diagram of an impurity removing mechanism in the impurity removing device for concrete production according to the present invention;
FIG. 5 is a schematic structural diagram of another view angle of an impurity removing mechanism in the impurity removing device for concrete production according to the present invention;
FIG. 6 is a schematic structural view of a screen assembly in the impurity removing device for concrete production according to the present invention;
FIG. 7 is a schematic structural view of another perspective of a screen assembly in an impurity removing device for concrete production according to the present invention;
FIG. 8 is an enlarged partial view of FIG. 7 at A in accordance with the present invention;
FIG. 9 is a schematic structural view of a shaking assembly in the impurity removing device for concrete production according to the present invention;
FIG. 10 is a schematic structural view of a driving mechanism in the impurity removing device for concrete production according to the present invention;
FIG. 11 is a schematic structural view of a turnover assembly in the impurity removing device for concrete production according to the present invention;
FIG. 12 is a schematic structural view of another view of the turning assembly in the trash removal device for concrete production according to the present invention.
In the figure: 1. a frame; 2. an impurity removal mechanism; 3. a drive mechanism; 201. a screen assembly; 202. shaking the assembly; 203. a turnover assembly; 2011. a screen frame; 2012. a sieve plate; 2013. mounting the component; 20131. a sliding frame; 20132. a clamping rod; 20133. clamping a spring; 2021. a first mounting seat; 2022. a first slide bar; 2023. a stress plate; 2024. a return spring; 2025. limiting the telescopic rod; 301. a mounting frame; 302. a drive motor; 303. a drive shaft; 304. a cam; 2031. a second mounting seat; 2032. a second slide bar; 2033. a driven wheel; 2034. a support frame; 2035. a servo motor; 2036. a driving wheel; 2037. and limiting the sliding rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 12, the present invention provides a technical solution:
as shown in fig. 1 to 12, an impurity removing device for concrete production includes:
the machine comprises a machine frame 1, and an impurity removing mechanism 2 and a driving mechanism 3 which are installed at the top of the machine frame 1, wherein the impurity removing mechanism 2 is composed of a screening component 201, a shaking component 202 and a turning component 203, the screening component 201 is used for screening impurities in concrete raw materials, the shaking component 202 and the driving mechanism 3 are used for providing screening power for the screening component 201, and during specific operation, an output shaft of a driving motor 302 drives a cam 304 to extrude a stress plate 2023 at different radiuses through a driving shaft 303, and can drive the screening component 201 to shake in a reciprocating manner through a first sliding rod 2022 under the elastic force action of a return spring 2024, so that the screening efficiency is improved;
wherein, upset subassembly 203 is used for carrying out the ejection of compact to the inside impurity of screening subassembly 201, during concrete operation, servo motor 2035 drives action wheel 2036 and rotates to under the transmission of drive belt, drive from driving wheel 2033 and rotate, consequently can drive reel 2011 upset one hundred eighty degree, thereby can pour out the impurity total on the sieve 2012, and then the very big operation that has made things convenient for the staff, after impurity pours out, through servo motor 2035 with reel 2011 resume the normal position can.
By adopting the technical scheme, the impurity removing device not only can shake the concrete raw materials in a reciprocating mode, improves the impurity removing efficiency, but also is convenient for dumping and cleaning impurities on the sieve plate, so that the convenience for cleaning the sieve plate by workers is improved, and when the sieve plate is damaged, the sieve plate can be conveniently disassembled, assembled and replaced, so that the practicability of the impurity removing device is greatly improved.
As shown in figures 1-12, in order to move the impurity removing device of the present invention, thereby improving the flexibility of use, the dead corners of the bottom of the frame 1 are all fixedly connected with supporting legs, the bottom of the supporting legs is fixedly connected with moving wheels, and the moving wheels are universal wheels with a locking function.
As shown in fig. 1-12, in order to conveniently disassemble and assemble the screen plate 2012, when the screen plate 2012 is damaged, the screen plate 2012 is conveniently replaced, the screening component 201 includes a screen frame 2011, the screen plate 2012 is fixedly connected to the inner wall of the screen frame 2011 through an installation component 2013, the installation component 2013 includes a sliding frame 20131 fixedly connected to the screen plate 2012, a clamping rod 20132 is slidably connected to the sliding frame 20131, a clamping groove matched with the clamping rod 20132 is formed in the inner wall of the screen frame 2011, a clamping spring 20133 is sleeved on the clamping rod 20132, and in the specific implementation, only the clamping rod 20132 needs to be pulled, and the clamping rod 20132 is separated from the clamping groove in the inner wall of the screen frame 2011, so that the screen plate 2012 can be conveniently disassembled, and convenience is further provided for replacing the screen plate 2012.
As shown in fig. 1 to 12, in order to realize the left-right reciprocating shaking of the screen assembly 201, thereby improving the screening efficiency, the shaking assembly 202 includes a first mounting seat 2021 fixedly connected to the top of the frame 1, a first sliding rod 2022 is slidably connected to the first mounting seat 2021 through a sliding sleeve, one end of the first sliding rod 2022 is rotatably mounted on the screen frame 2011 through a ball bearing, the other end of the first sliding rod 2022 is fixedly connected to a stressed plate 2023, a return spring 2024 is sleeved on the first sliding rod 2022, the driving mechanism 3 includes a mounting bracket 301 fixedly connected to the top of the frame 1, a driving motor 302 is fixedly connected to the top of the side of the mounting bracket 301, a driving shaft 303 is fixedly connected to an output shaft of the driving motor 302, and a cam 304 is fixedly connected to the driving shaft 303.
As shown in fig. 1 to 12, in order to limit the shaking assembly 202 and increase the stability of the shaking assembly 202 when driving the sieving assembly 201 to shake reciprocally, the shaking assembly 202 further includes a limiting telescopic rod 2025 fixedly connected to the side surface of the stressed plate 2023, and the other end of the limiting telescopic rod 2025 is fixedly connected to the first mounting seat 2021 through a mounting block.
As shown in fig. 1 to 12, in order to limit the driving shaft 303 and thus increase the stability of the operation of the driving mechanism 3, an end of the driving shaft 303 away from the driving motor 302 is rotatably connected to the mounting bracket 301 through a ball bearing.
As shown in fig. 1 to 12, in order to turn over the screen assembly 201 conveniently, so as to pour out and clean the impurities inside the screen plate 2012 conveniently, the turning assembly 203 includes a second mounting seat 2031 fixedly connected to the top of the frame 1, a second sliding rod 2032 is connected to the second mounting seat 2031 through a sliding sleeve in a sliding manner, one end of the second sliding rod 2032 is rotatably connected to a driven wheel 2033 through a ball bearing, one side of the driven wheel 2033 away from the second sliding rod 2032 is fixedly connected to the side of the screen frame 2011, the other end of the second sliding rod 2032 is fixedly connected to a support frame 2034, a servo motor 2035 is fixedly connected to the support frame 2034, a driving wheel 2036 is fixedly connected to an output shaft of the servo motor 2035, and the driving wheel 2036 is in a transmission connection with the driven wheel 2033 through a transmission belt.
As shown in fig. 1-12, in order to limit the turnover assembly 203 and increase the stability of the reciprocating sliding of the screen assemblies 201, the turnover assembly 203 further includes limiting sliding rods 2037 symmetrically connected to two sides of the supporting frame 2034, and the limiting sliding rods 2037 are slidably connected to the second mounting seat 2031 through limiting sliding sleeves.
According to the technical scheme, the working steps of the scheme are summarized and carded:
raw materials to be screened are put on the screen plate 2012 inside the screen frame 2011, meanwhile, the driving motor 302 is turned on, the output shaft of the driving motor 302 drives the cam 304 to extrude the stress plate 2023 at different radiuses through the driving shaft 303, and under the elastic action of the return spring 2024, the screening assembly 201 can be driven to shake in a reciprocating mode through the first sliding rod 2022, so that the screening efficiency is improved; when the impurities on the sieve plate 2012 need to be cleaned, the servo motor 2035 is only required to be turned on to drive the driving wheel 2036 to rotate, so that the driven wheel 2033 is driven to rotate under the transmission action of the transmission belt, the sieve frame 2011 can be driven to turn over by one hundred and eighty degrees, the total number of the impurities on the sieve plate 2012 can be poured out, the operation of workers is greatly facilitated, and after the impurities are poured out, the sieve frame 2011 is restored to the original position through the servo motor 2035; when the sieve plate 2012 is damaged and needs to be replaced, only the clamping rod 20132 needs to be pulled, and the clamping rod 20132 is made to be separated from the clamping groove in the inner wall of the sieve frame 2011, so that the sieve plate 2012 can be conveniently and rapidly detached, and convenience is brought to replacement of the sieve plate 2012.
To sum up: this edulcoration device for concrete production not only can carry out reciprocal shake to the concrete raw materials, has improved edulcoration efficiency, still conveniently emptys the clearance to the impurity on the sieve to improve the convenience that the staff cleared up, when the sieve damaged, conveniently carry out the dismouting change to the sieve moreover, thereby improved the practicality of the edulcoration device of the invention greatly.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an edulcoration device is used in concrete production which characterized in that includes:
the device comprises a rack (1), and an impurity removing mechanism (2) and a driving mechanism (3) which are arranged on the top of the rack (1);
the impurity removing mechanism (2) is composed of a screening assembly (201), a shaking assembly (202) and a turning assembly (203);
wherein the screening assembly (201) is used for screening impurities in the concrete raw material;
the shaking assembly (202) and the driving mechanism (3) are used for providing screening power for the screening assembly (201);
wherein, the overturning assembly (203) is used for discharging impurities in the screening assembly (201).
2. An edulcoration device for concrete production according to claim 1, characterized in that: the equal fixedly connected with supporting leg in dead angle department of frame (1) bottom, the bottom fixedly connected with of supporting leg removes the wheel, just remove the universal wheel of taking turns for having the lock function of dying.
3. An edulcoration device for concrete production according to claim 2, characterized in that: screening subassembly (201) includes reel (2011), through installation component (2013) fixedly connected with sieve (2012) on the inner wall of reel (2011).
4. An edulcoration device for concrete production according to claim 3, characterized in that: installation component (2013) include fixed connection and be in smooth frame (20131) on sieve (2012), sliding connection has kelly (20132) on smooth frame (20131), set up on the inner wall of sieve frame (2011) with the draw-in groove of kelly (20132) looks adaptation, the cover is equipped with joint spring (20133) on kelly (20132).
5. An edulcoration device for concrete production according to claim 4, characterized in that: the shaking assembly (202) comprises a first mounting seat (2021) fixedly connected to the top of the rack (1), a first sliding rod (2022) is connected to the first mounting seat (2021) through a sliding sleeve in a sliding mode, one end of the first sliding rod (2022) is rotatably mounted on the screen frame (2011) through a ball bearing, the other end of the first sliding rod (2022) is fixedly connected with a stress plate (2023), and the first sliding rod (2022) is sleeved with a return spring (2024).
6. An edulcoration device for concrete production according to claim 5, characterized in that: the shaking assembly (202) further comprises a limiting telescopic rod (2025) fixedly connected to the side face of the stress plate (2023), and the other end of the limiting telescopic rod (2025) is fixedly connected with the first mounting seat (2021) through a mounting block.
7. An edulcoration device for concrete production according to claim 6, characterized in that: actuating mechanism (3) are including fixed connection in mounting bracket (301) at frame (1) top, top fixedly connected with driving motor (302) of mounting bracket (301) side, fixedly connected with drive shaft (303) on the output shaft of driving motor (302), fixedly connected with cam (304) on drive shaft (303).
8. An edulcoration device for concrete production according to claim 7, characterized in that: one end, far away from the driving motor (302), of the driving shaft (303) is rotatably connected with the mounting frame (301) through a ball bearing.
9. An edulcoration device for concrete production according to claim 8, characterized in that: upset subassembly (203) is including fixed connection in second mount pad (2031) at frame (1) top, there is second slide bar (2032) through sliding sleeve sliding connection on second mount pad (2031), the one end of second slide bar (2032) is connected with from driving wheel (2033) through ball bearing rotation, just keep away from driving wheel (2033) one side of second slide bar (2032) with the side fixed connection of reel (2011), the other end fixedly connected with support frame (2034) of second slide bar (2032), fixedly connected with servo motor (2035) is gone up in support frame (2034), fixedly connected with action wheel (2036) on the output shaft of servo motor (2035), just action wheel (2036) pass through the drive belt with from driving wheel (2033) transmission connection.
10. An edulcoration device for concrete production according to claim 9, characterized in that: the overturning assembly (203) further comprises limiting sliding rods (2037) symmetrically connected to two sides of the supporting frame (2034), and the limiting sliding rods (2037) are in sliding connection with the second mounting seat (2031) through limiting sliding sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111331018.6A CN113857035A (en) | 2021-11-11 | 2021-11-11 | Edulcoration device is used in concrete production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111331018.6A CN113857035A (en) | 2021-11-11 | 2021-11-11 | Edulcoration device is used in concrete production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113857035A true CN113857035A (en) | 2021-12-31 |
Family
ID=78987818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111331018.6A Withdrawn CN113857035A (en) | 2021-11-11 | 2021-11-11 | Edulcoration device is used in concrete production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113857035A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090523A (en) * | 2022-08-26 | 2022-09-23 | 江苏中腾石英材料科技股份有限公司 | Quartz sand processing is with multistage screening device of solid impurity |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150239013A1 (en) * | 2014-02-25 | 2015-08-27 | Cde Global Limited | Screen assembly |
| CN107838013A (en) * | 2017-11-16 | 2018-03-27 | 邓子坚 | A kind of sand screen for building |
| CN110935621A (en) * | 2019-12-11 | 2020-03-31 | 桃源县兴隆米业科技开发有限公司 | Impurity removing device for rice processing |
| CN214382819U (en) * | 2021-01-29 | 2021-10-12 | 海宁市中胜建材有限公司 | A screen cloth formula screening sand machine for concrete |
-
2021
- 2021-11-11 CN CN202111331018.6A patent/CN113857035A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150239013A1 (en) * | 2014-02-25 | 2015-08-27 | Cde Global Limited | Screen assembly |
| CN107838013A (en) * | 2017-11-16 | 2018-03-27 | 邓子坚 | A kind of sand screen for building |
| CN110935621A (en) * | 2019-12-11 | 2020-03-31 | 桃源县兴隆米业科技开发有限公司 | Impurity removing device for rice processing |
| CN214382819U (en) * | 2021-01-29 | 2021-10-12 | 海宁市中胜建材有限公司 | A screen cloth formula screening sand machine for concrete |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090523A (en) * | 2022-08-26 | 2022-09-23 | 江苏中腾石英材料科技股份有限公司 | Quartz sand processing is with multistage screening device of solid impurity |
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Application publication date: 20211231 |
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