CN111744778A - Multistage sieving mechanism of gravel and sand for building - Google Patents
Multistage sieving mechanism of gravel and sand for building Download PDFInfo
- Publication number
- CN111744778A CN111744778A CN202010625759.4A CN202010625759A CN111744778A CN 111744778 A CN111744778 A CN 111744778A CN 202010625759 A CN202010625759 A CN 202010625759A CN 111744778 A CN111744778 A CN 111744778A
- Authority
- CN
- China
- Prior art keywords
- screening
- transmission
- fixedly connected
- support
- multistage
- 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.)
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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
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/30—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
-
- 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
-
- 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
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a multistage screening device for building sandstone, which relates to building equipment and comprises a screening support, wherein the left side of the top of the screening support is fixedly connected with a motor, the output end of the motor is fixedly connected with a screening shaft, the right end of the screening shaft penetrates through the screening support and is rotatably connected with the screening support, the right end of the screening shaft is fixedly connected with a rotating wheel, the rear side of the rotating wheel is rotatably connected with a driven gear, the outer side of the rotating wheel is vertically and symmetrically and fixedly connected with transmission teeth, and the transmission teeth are matched with the driven gear; the middle part of the screening bracket is provided with an upper screening box, the left side and the right side of the upper screening box are in sliding connection with the screening bracket through an upper sliding guide rod, and the right end of the upper sliding guide rod penetrates through the screening bracket and is connected with a transmission rack. Through the transmission of motor drive driving gear during the use, can drive the fore-and-aft movement of driving rack, drive the crisscross fore-and-aft movement of screening case and lower screening case then, can be quick carry out the two-stage screening, obtain the grit of particle size difference, screening efficiency is showing and is improving.
Description
Technical Field
The invention relates to building equipment, in particular to a multistage sand and stone screening device for buildings.
Background
The building is a general name of buildings and structures, and is an artificial environment created by people by using mastered substance technical means and applying certain scientific laws, wind and water concepts and aesthetic rules to meet the needs of social life, sand and stone refer to loose mixtures of sand grains and broken stones, the sand and stone are often used as high-quality building materials and concrete raw materials to be widely applied to the fields of houses, roads, highways, railways, engineering and the like due to good hardness and stable chemical properties of the sand and stone, and the sand and stone for the building need to be screened before being used.
The sand stone for building adopts the screen cloth to support in ground under the not big circumstances of demand more to utilize the spade to sieve the mode of getting, this kind of screening intensity of labour is great, and screening efficiency is relatively poor, then need sieve through equipment when the grit demand is big, and traditional screening installation has that do not have the function of multistage screening, and the result of use is poor. Therefore, the technical personnel in the field provide a multistage screening device for the sand and stone for buildings to solve the problems in the background.
Disclosure of Invention
The invention aims to provide a multistage screening device for building sandstone, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a multistage screening device for building sandstone comprises a screening support, wherein the left side of the top of the screening support is fixedly connected with a motor, the output end of the motor is fixedly connected with a screening shaft, the right end of the screening shaft penetrates through the screening support and is rotatably connected with the screening support, the right end of the screening shaft is fixedly connected with a rotating wheel, the rear side of the rotating wheel is rotatably connected with a driven gear, the outer side of the rotating wheel is vertically and symmetrically and fixedly connected with transmission teeth, and the transmission teeth are matched with the driven gear; the middle part of the screening bracket is provided with an upper screening box, the left side and the right side of the upper screening box are connected with the screening bracket in a sliding way through an upper sliding guide rod, the right end of the upper sliding guide rod penetrates through the screening bracket and is connected with a transmission rack, the transmission rack is meshed with a driven gear, the transmission rack is matched with a transmission gear, and the bottom in the upper screening box is fixedly connected with an upper screen; screening support inside below is provided with down the screening case, and screen cloth under the bottom fixedly connected with in the lower screening case, the screening case left and right sides is through lower sliding guide and screening support sliding connection, and screening support right side wall rotates and is connected with the location pivot, and the location pivot is located and screens between case and the lower screening case, and the inboard rotation of location pivot is connected with the transmission pendulum rod, and transmission pendulum rod top fixedly connected with transmission cover, transmission cover are located and are slided the guide outside, the right side in the sliding guide middle part has seted up the transmission groove down, and the transmission pendulum rod is located the transmission inslot.
As a further scheme of the invention: the screening support frame is fixedly connected to the left and right sides of the bottom of the screening support frame in a symmetrical mode.
As a still further scheme of the invention: the screening support is connected with the screening support frame in a welding mode.
As a still further scheme of the invention: the top of the screening support is provided with a feed inlet, and a feed hopper is fixedly connected below the feed inlet.
As a still further scheme of the invention: the outside fixedly connected with dispersion board in screening axle middle part.
As a still further scheme of the invention: the inner diameter of the transmission sleeve is larger than the outer diameter of the upper sliding guide rod.
As a still further scheme of the invention: the outer size of the upper screening box is smaller than that of the lower screening box.
As a still further scheme of the invention: the diameter of the mesh of the upper screen is larger than that of the mesh of the lower screen.
As a still further scheme of the invention: the motor is an alternating current motor and is electrically connected with the power supply through a switch.
As a still further scheme of the invention: the upper screening box and the lower screening box are both metal boxes.
Compared with the prior art, the invention has the beneficial effects that: the sand-stone screening machine is simple in structure and convenient to use, the motor drives the transmission gear to transmit when in use, the transmission gear rack can be driven to move back and forth, the upper screening box and the lower screening box are driven to move back and forth in a staggered mode, two-stage screening can be rapidly carried out, sand stones with different particle sizes are obtained, screening efficiency is remarkably improved, and the sand-stone screening machine is worthy of popularization and use.
Drawings
FIG. 1 is a schematic structural diagram of a multistage screening device for building sandstone;
FIG. 2 is a schematic sectional view of a multistage screening device for sand and stone for construction;
FIG. 3 is a schematic view of a connection structure of a lower screening box and a lower sliding guide rod in a multistage screening device for sand and stone for buildings;
FIG. 4 is a schematic view of a part of the structure of the sand and stone multistage screening device for construction in the direction of A;
in the figure: 1-screening support, 2-motor, 3-screening shaft, 4-rotating wheel, 5-driven gear, 6-transmission gear, 7-upper screening box, 8-upper sliding guide rod, 9-transmission rack, 10-upper screen, 11-lower screening box, 12-lower screen, 13-lower sliding guide rod, 14-positioning rotating shaft, 15-transmission oscillating bar, 16-transmission sleeve, 17-transmission groove, 18-screening support frame, 19-feeding port, 20-feeding funnel and 21-dispersion plate.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The first embodiment is as follows: referring to fig. 1-4, a multistage screening device for building sandstone comprises a screening support 1, wherein a motor 2 is fixedly connected to the left side of the top of the screening support 1, a screening shaft 3 is fixedly connected to the output end of the motor 2, the right end of the screening shaft 3 penetrates through the screening support 1 and is rotatably connected with the screening support 1, a rotating wheel 4 is fixedly connected to the right end of the screening shaft 3, a driven gear 5 is rotatably connected to the rear side of the rotating wheel 4, transmission teeth 6 are vertically and symmetrically fixedly connected to the outer side of the rotating wheel 4, and the transmission teeth 6 are matched with the driven gear 5;
when the screening device is used, the motor 2 is started, the screening shaft 3 is driven to rotate by the rotation of the motor 2, the rotating wheel 4 can be driven to rotate by the rotation of the screening shaft 3, and the driving gear 6 is driven to rotate by the rotating wheel 4;
an upper screening box 7 is arranged in the middle of the screening bracket 1, the left side and the right side of the upper screening box 7 are in sliding connection with the screening bracket 1 through an upper sliding guide rod 8, the right end of the upper sliding guide rod 8 penetrates through the screening bracket 1 and is connected with a transmission rack 9, the transmission rack 9 is meshed with a driven gear 5, the transmission rack 9 is matched with a transmission gear 6, and the bottom in the upper screening box 7 is fixedly connected with an upper screen 10;
the transmission gear 6 is alternately meshed with the driven gear 5 and the transmission rack 9 in the rotating process, the transmission rack 9 is driven to move forwards when being meshed with the transmission rack 9, then the transmission gear 6 meshed below is disengaged along with the rotation of the rotating wheel 4, the transmission gear 6 above is meshed with the driven gear 5, the transmission rack 9 is driven to move backwards by driving the gear 5 to rotate, and the back-and-forth movement of the transmission rack 9 is realized;
a lower screening box 11 is arranged below the inner part of the screening bracket 1, a lower screen 12 is fixedly connected to the bottom part of the lower screening box 11, the left side and the right side of the lower screening box 11 are slidably connected with the screening bracket 1 through a lower sliding guide rod 13, the right side wall of the screening bracket 1 is rotatably connected with a positioning rotating shaft 14, the positioning rotating shaft 14 is positioned between the upper screening box 7 and the lower screening box 11, the inner side of the positioning rotating shaft 14 is rotatably connected with a transmission swing rod 15, a transmission sleeve 16 is fixedly connected above the transmission swing rod 15, the transmission sleeve 16 is sleeved outside the upper sliding guide rod 8, a transmission groove 17 is formed in the middle part of the lower sliding guide rod 13 on the right side, and the transmission swing rod 15;
the transmission rack 9 drives the upper screening box 7 to move back and forth for screening, the screened sand falls into the lower screening box 11, the transmission swing rod 15 is driven to swing back and forth along the positioning rotating shaft 14 in the back and forth movement process of the upper screening box 7, the lower end drives the lower sliding guide rod 13 to move back and forth, the lower sliding guide rod 13 can further screen the screened sand, and the screening efficiency is improved.
The bottom of the screening bracket 1 is fixedly connected with screening support frames 18 in a bilateral symmetry mode.
The screening support 1 is connected with the screening support frame 18 in a welding mode.
A feed inlet 19 is formed in the top of the screening support 1, and a feed hopper 20 is fixedly connected below the feed inlet 19.
The inner diameter of the transmission sleeve 16 is larger than the outer diameter of the upper sliding guide rod 8.
The mesh diameter of the upper screen 10 is larger than that of the lower screen 12.
The motor 2 is an alternating current motor, and the motor 2 is electrically connected with a power supply through a switch.
The upper screening box 7 and the lower screening box 11 are both metal boxes.
Example two: referring to fig. 1-4, a multistage screening device for building sandstone comprises a screening support 1, wherein a motor 2 is fixedly connected to the left side of the top of the screening support 1, a screening shaft 3 is fixedly connected to the output end of the motor 2, the right end of the screening shaft 3 penetrates through the screening support 1 and is rotatably connected with the screening support 1, a rotating wheel 4 is fixedly connected to the right end of the screening shaft 3, a driven gear 5 is rotatably connected to the rear side of the rotating wheel 4, transmission teeth 6 are vertically and symmetrically fixedly connected to the outer side of the rotating wheel 4, and the transmission teeth 6 are matched with the driven gear 5;
when the screening device is used, the motor 2 is started, the screening shaft 3 is driven to rotate by the rotation of the motor 2, the rotating wheel 4 can be driven to rotate by the rotation of the screening shaft 3, and the driving gear 6 is driven to rotate by the rotating wheel 4;
an upper screening box 7 is arranged in the middle of the screening bracket 1, the left side and the right side of the upper screening box 7 are in sliding connection with the screening bracket 1 through an upper sliding guide rod 8, the right end of the upper sliding guide rod 8 penetrates through the screening bracket 1 and is connected with a transmission rack 9, the transmission rack 9 is meshed with a driven gear 5, the transmission rack 9 is matched with a transmission gear 6, and the bottom in the upper screening box 7 is fixedly connected with an upper screen 10;
the transmission gear 6 is alternately meshed with the driven gear 5 and the transmission rack 9 in the rotating process, the transmission rack 9 is driven to move forwards when being meshed with the transmission rack 9, then the transmission gear 6 meshed below is disengaged along with the rotation of the rotating wheel 4, the transmission gear 6 above is meshed with the driven gear 5, the transmission rack 9 is driven to move backwards by driving the gear 5 to rotate, and the back-and-forth movement of the transmission rack 9 is realized;
a lower screening box 11 is arranged below the inner part of the screening bracket 1, a lower screen 12 is fixedly connected to the bottom part of the lower screening box 11, the left side and the right side of the lower screening box 11 are slidably connected with the screening bracket 1 through a lower sliding guide rod 13, the right side wall of the screening bracket 1 is rotatably connected with a positioning rotating shaft 14, the positioning rotating shaft 14 is positioned between the upper screening box 7 and the lower screening box 11, the inner side of the positioning rotating shaft 14 is rotatably connected with a transmission swing rod 15, a transmission sleeve 16 is fixedly connected above the transmission swing rod 15, the transmission sleeve 16 is sleeved outside the upper sliding guide rod 8, a transmission groove 17 is formed in the middle part of the lower sliding guide rod 13 on the right side, and the transmission swing rod 15;
the transmission rack 9 drives the upper screening box 7 to move back and forth for screening, the screened sand falls into the lower screening box 11, the transmission swing rod 15 is driven to swing back and forth along the positioning rotating shaft 14 in the back and forth movement process of the upper screening box 7, the lower end drives the lower sliding guide rod 13 to move back and forth, the lower sliding guide rod 13 can further screen the screened sand, and the screening efficiency is improved.
The bottom of the screening bracket 1 is fixedly connected with screening support frames 18 in a bilateral symmetry mode.
The screening support 1 is connected with the screening support frame 18 in a welding mode.
A feed inlet 19 is formed in the top of the screening support 1, and a feed hopper 20 is fixedly connected below the feed inlet 19.
Screening 3 middle part outsides fixedly connected with dispersion board 21 dispersion boards of axle can effectively disperse the grit, avoid the grit to pile up, reduce screening efficiency.
The inner diameter of the transmission sleeve 16 is larger than the outer diameter of the upper sliding guide rod 8.
The external dimension of the upper screening box 7 is smaller than that of the lower screening box 11, so that the screened gravels can fall into the lower screening box 11.
The mesh diameter of the upper screen 10 is larger than that of the lower screen 12.
The motor 2 is an alternating current motor, and the motor 2 is electrically connected with a power supply through a switch.
The working principle of the invention is as follows: when the sand screening device is used, the motor 2 is started, the motor 2 rotates to drive the screening shaft 3 to rotate, the screening shaft 3 rotates to drive the rotating wheel 4 to rotate, the rotating wheel 4 drives the transmission gear 6 to rotate, the transmission gear 6 is alternately meshed with the driven gear 5 and the transmission rack 9 in the rotating process, the transmission rack 9 is driven to move forwards when being meshed with the transmission rack 9, then the transmission gear 6 meshed below along with the rotation of the rotating wheel 4 is disengaged, the transmission gear 6 above is meshed with the driven gear 5, the transmission rack 9 is driven to move backwards through the rotation of the transmission gear 5, the front-back movement of the transmission rack 9 is realized, the transmission rack 9 drives the upper screening box 7 to move forwards and backwards for screening, the screened sand stones fall into the lower screening box 11, the transmission swing rod 15 is driven to swing forwards and backwards along the positioning rotating shaft 14 in the front-back movement of the upper screening box 7, and the lower end drives the, the lower sliding guide rod 13 can further screen the screened sand and stone, and the screening efficiency is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The multistage screening device for the building sandstone comprises a screening support (1), wherein a motor (2) is fixedly connected to the left side of the top of the screening support (1), a screening shaft (3) is fixedly connected to the output end of the motor (2), the right end of the screening shaft (3) penetrates through the screening support (1) and is rotatably connected with the screening support (1), and a rotating wheel (4) is fixedly connected to the right end of the screening shaft (3), and is characterized in that a driven gear (5) is rotatably connected to the rear side of the rotating wheel (4), transmission teeth (6) are vertically and symmetrically and fixedly connected to the outer side of the rotating wheel (4), and the transmission teeth (6) are matched with the driven gear (5); an upper screening box (7) is arranged in the middle of the screening support (1), the left side and the right side of the upper screening box (7) are in sliding connection with the screening support (1) through an upper sliding guide rod (8), the right end of the upper sliding guide rod (8) penetrates through the screening support (1) to be connected with a transmission rack (9), the transmission rack (9) is meshed with a driven gear (5), the transmission rack (9) is matched with a transmission gear (6), and an upper screen (10) is fixedly connected to the bottom in the upper screening box (7); screening support (1) inside below is provided with down screening case (11), screen cloth (12) under bottom fixedly connected with in lower screening case (11), screening case (11) left and right sides is through lower sliding guide (13) and screening support (1) sliding connection down, screening support (1) right side wall rotates and is connected with location pivot (14), location pivot (14) are located and are screened between case (7) and lower screening case (11), location pivot (14) inboard rotates and is connected with transmission pendulum rod (15), transmission pendulum rod (15) top fixedly connected with transmission cover (16), the transmission cover (16) cover is located the sliding guide (8) outside, the right side of going up sliding guide (8) have been seted up at lower sliding guide (13) middle part, and transmission pendulum rod (15) are located transmission groove (17).
2. The multistage screening device of gravel for buildings according to claim 1, wherein the screening support frame (18) is fixedly connected to the bottom of the screening support (1) in a bilateral symmetry manner.
3. The multistage screening device of gravel for buildings as claimed in claim 2, wherein the screening bracket (1) is connected with the screening support frame (18) by welding.
4. The multistage screening device of gravel for buildings as claimed in claim 1, wherein a feed inlet (19) is opened at the top of the screening bracket (1), and a feed hopper (20) is fixedly connected below the feed inlet (19).
5. The multistage screening device of sand for building of claim 1, wherein the screening axle (3) is fixedly connected with a dispersion plate (21) outside the middle part.
6. The multistage screening apparatus of building gravel as claimed in any one of claims 2 to 4, wherein the inner diameter of the driving bushing (16) is larger than the outer diameter of the upper sliding guide (8).
7. The multistage screening apparatus of building gravel as claimed in claim 6, wherein the outer size of the upper screening box (7) is smaller than that of the lower screening box (11).
8. The multistage architectural gravel screening apparatus of claim 1, wherein the mesh diameter of the upper screen (10) is larger than the mesh diameter of the lower screen (12).
9. The multistage screening device of building sandstone according to claim 1, wherein the motor (2) is an alternating current motor, and the motor (2) is electrically connected with a power supply through a switch.
10. The multistage screening apparatus of building gravel according to claim 1, wherein the upper screening box (7) and the lower screening box (11) are both metal boxes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625759.4A CN111744778A (en) | 2020-07-01 | 2020-07-01 | Multistage sieving mechanism of gravel and sand for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625759.4A CN111744778A (en) | 2020-07-01 | 2020-07-01 | Multistage sieving mechanism of gravel and sand for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111744778A true CN111744778A (en) | 2020-10-09 |
Family
ID=72680368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010625759.4A Withdrawn CN111744778A (en) | 2020-07-01 | 2020-07-01 | Multistage sieving mechanism of gravel and sand for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111744778A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546839A (en) * | 2021-08-24 | 2021-10-26 | 佛山市高明区新粤丰建材有限公司 | Production equipment of wear-resistant ceramic tiles |
| CN113786978A (en) * | 2021-09-15 | 2021-12-14 | 衢州市智能制造技术与装备研究院 | Screening equipment for diamond abrasive |
-
2020
- 2020-07-01 CN CN202010625759.4A patent/CN111744778A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113546839A (en) * | 2021-08-24 | 2021-10-26 | 佛山市高明区新粤丰建材有限公司 | Production equipment of wear-resistant ceramic tiles |
| CN113546839B (en) * | 2021-08-24 | 2024-04-02 | 佛山市高明区新粤丰建材有限公司 | Production equipment for wear-resistant ceramic tiles |
| CN113786978A (en) * | 2021-09-15 | 2021-12-14 | 衢州市智能制造技术与装备研究院 | Screening equipment for diamond abrasive |
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Application publication date: 20201009 |
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| WW01 | Invention patent application withdrawn after publication |