CN112495790A - Assembled screening machine convenient to assemble and operation method - Google Patents
Assembled screening machine convenient to assemble and operation method Download PDFInfo
- Publication number
- CN112495790A CN112495790A CN202011226365.8A CN202011226365A CN112495790A CN 112495790 A CN112495790 A CN 112495790A CN 202011226365 A CN202011226365 A CN 202011226365A CN 112495790 A CN112495790 A CN 112495790A
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- screening
- frame
- screening frame
- net
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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
- B07B1/46—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
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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
- B07B1/46—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
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to the field of screening machines, in particular to an assembled screening machine convenient to assemble and an operation method. Adopt above-mentioned screening frame and spacing ring to realize installing the screening frame fast on the side shield of screening casing for detachable construction, the equipment of the screening frame of being convenient for. Further, the screening frame includes framework and screening net, the bottom surface of screening net is equipped with a plurality of draw-in grooves, the epaxial rotatable a plurality of fixture blocks that are equipped with of installation, and during fixture block detachable embedding draw-in groove, utilize the fixture block to support the screening net, make the screening net can not slide down, improve the stability of being connected between screening net and side shield and the installation axle.
Description
Technical Field
The invention relates to the field of screening machines, in particular to an assembled screening machine convenient to assemble and an operation method.
Background
At present in building engineering and hydraulic engineering's construction, all will filter to the stone material grade that will use in the engineering, the sieve separator that adopts to possess the multilayer screening frame more when the screening carries out the successive layer screening, and the screening frame of traditional sieve separator operating procedure is numerous and diverse when the equipment, is difficult for the equipment, extravagant cost of labor.
Disclosure of Invention
The invention provides an assembled screening machine convenient to assemble and an operation method, and aims to solve the problems that the operation steps are complicated, the assembly is difficult and the labor cost is wasted when a screening frame of a traditional screening machine in the prior art is assembled.
The invention adopts the following technical scheme: an assembled screening machine convenient for assembly, which comprises a screening shell and a screening frame,
a side baffle is arranged in the screening shell, a plurality of limiting rings are vertically and sequentially arranged on the inner wall of the side baffle, a plurality of screening frames are detachably arranged on the limiting rings, the screening frames are vertically and sequentially detachably arranged on an installation shaft, and the installation shaft is arranged in the screening shell;
the screening frame comprises a frame body and a screening net;
the middle part of the screening net is provided with a guide block which protrudes upwards, a coaxial guide hole penetrates through the middle part of the screening net and the middle part of the guide block, and the diameter of the guide hole is matched with that of the installation shaft;
the outer side surface of the frame body is provided with an inward concave limiting groove, the limiting ring is detachably arranged in the limiting groove, and the outer side surface of the frame body is provided with a discharge port;
the inside rotatable screening net that installs of framework.
As a further improvement, the bottom surface of screening net all is equipped with a plurality of draw-in grooves, and the draw-in groove is located the guide block below, install the epaxial vertical a plurality of fixture blocks that are equipped with in proper order of axle, and during a plurality of fixture blocks detachable embedding draw-in grooves respectively, the fixture block is rotatable locates in the mounting groove, just the mounting groove is located install the off-axial surface.
As a further improvement, the side shield is made of elastic materials, the side shield is in a horn shape, the diameter of the side shield is gradually reduced from top to bottom, and the diameter of the screening frame is also gradually reduced from top to bottom.
As a further improvement, a plurality of positioning shafts which are inwards sunken are vertically and sequentially arranged on the mounting shaft, the diameter of each positioning shaft is smaller than that of each guide hole, the length of each positioning shaft is larger than the sum of the thicknesses of the guide block and the screening net, and when the clamping blocks are embedded into the clamping grooves, the guide holes are just encircled on the outer sides of the positioning shafts.
As a further improvement, a second magnet is fixed on the positioning shaft, a first magnet is arranged on the fixture block, and the second magnet and the first magnet are attracted magnetically.
An operation method of an assembled screening machine convenient to assemble is characterized by comprising the following steps: the first step, taking out the screening frame with the smallest size and the smallest mesh on the screening net; secondly, rotating other clamping blocks except the clamping block corresponding to the screening frame inwards to clamping grooves on the positioning shaft on the mounting shaft, and attaching the clamping blocks to the surface of the positioning shaft by utilizing the magnetic attraction of a second magnet and a first magnet; thirdly, sleeving the screening frame with the minimum size and the minimum mesh on the screening net on the mounting shaft from top to bottom until a limiting groove on a frame body of the screening frame is nested on a limiting ring of the side baffle, and simultaneously, a clamping groove on the screening net of the screening frame is just nested on the clamping block which does not rotate inwards; fourthly, connecting a discharge pipe corresponding to the screening frame to a discharge port of the screening frame; fifthly, according to the size of the screening frame, the screening frame is sequentially arranged on the mounting shaft from small to large according to the steps, and the mesh size on the screening net of the screening frame is gradually reduced from top to bottom; sixthly, after all the screening frames of each layer are installed, starting the electric motor to enable the motor to drive the installation shaft and the screening frames of the plurality of layers to rotate together; seventhly, pouring materials with different sizes into the screening frame on the uppermost layer from the material pouring port; eighth step, screen the material through rotatory multilayer screening frame successive layer, and the material after the screening can discharge different material buckets through bin outlet and row material pipe in every layer of screening frame, and the material that is screened by the screening frame that is located the lower floor then drops in other material buckets through the discharge gate.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: adopt above-mentioned screening frame and spacing ring to realize installing the screening frame fast on the side shield of screening casing for detachable construction, the equipment of the screening frame of being convenient for. Further, the screening frame includes framework and screening net, the bottom surface of screening net is equipped with a plurality of draw-in grooves, the epaxial rotatable a plurality of fixture blocks that are equipped with of installation, and during fixture block detachable embedding draw-in groove, utilize the fixture block to support the screening net, make the screening net can not slide down, improve the stability of being connected between screening net and side shield and the installation axle.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic structural diagram of a in fig. 1.
Fig. 3 is a schematic front view of the screening frame.
Fig. 4 is a schematic perspective view of the screening frame.
Fig. 5 is a schematic structural view of the screen frame assembled in the screen housing 1.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, an assembled screening machine convenient to assemble comprises a screening housing 1 and a screening frame 2.
As shown in the attached drawing 1, the inside of screening casing 1 is equipped with side shield 11, and screening casing 1 locates the workstation 6 top, vertical a plurality of spacing rings 12 of having set gradually on the inner wall of side shield 11, on a plurality of spacing rings 12 are located to a plurality of screening frame 2 detachable, just screening frame 2 is vertical detachable in proper order and installs on installation axle 3, and installation axle 3 locates inside screening casing 1, and the motor shaft of motor is connected on the bottom workstation 6 of installation axle 3, and it is rotatory to drive installation axle 3 through the motor to make 2 rotary motion of multilayer screening frame carry out the successive layer screening to the material.
As shown in fig. 3 to 4, the screen frame 2 includes a frame body 28 and a screen 21. The middle part of screening net 21 is equipped with bellied guide block 22 that makes progress, and screening net 21 middle part and guide block 22 middle part all run through and have a coaxial guiding hole 23, the diameter of guiding hole 23 and the diameter looks adaptation of installation axle 3, the setting of guide block 22 can avoid the material to drop in screening net 21 and the installation axle 3 joint seam. Further, the bottom surface of screening net 21 all is equipped with a plurality of draw-in grooves 26, and draw-in grooves 26 are located guide block 22 below, install the vertical rotatable a plurality of fixture blocks 27 that are equipped with in proper order on the axle 3, and during a plurality of fixture blocks 27 detachable embedding draw-in grooves 26 respectively, fixture block 27 is rotatable to articulate in mounting groove 31, just mounting groove 31 is located install 3 surfaces of axle, utilize fixture block 27 can further support screening net 21, improve screening net 21's bearing capacity to increase the quantity of the material of screening at every turn, improve screening efficiency when realizing changing the sieve machine progression, and the design of the structure of draw-in groove 26 below guide block 22 has avoided the material that drops from screening net 21 to drop on fixture block 27 and mounting groove 31.
As shown in fig. 3 to 4, be equipped with inside sunken spacing groove 24 on the outside surface of framework 28, spacing ring 12 detachable installs in spacing groove 24, but utilize spacing ring 12 braced frame 28 and screen 21, improve the bearing capacity of screen 21, thereby increase the quantity of the material of screening at every turn, improve screening efficiency when realizing changing the sieve separator progression, and be equipped with bin outlet 25 on the outside surface of framework 28, the external one end of arranging the material pipe of bin outlet 25 accessible screw thread, the material bucket can be connected to the other end of arranging the material pipe, discharge the material after the screening through arranging the material pipe and save in the material bucket, and different row's material pipe and material bucket are connected to the bin outlet 25 of different frameworks 28, the realization is to the material purpose of classified storage. Furthermore, the inside of the frame 28 is rotatably provided with the screening net 21, so that the screened material can be discharged out of the screening shell 1 through the discharge port 25 on the frame 28 while the material is screened by rotating the screening net 21.
As shown in fig. 1 to 2, a plurality of positioning shafts 32 which are recessed inwards are vertically arranged on the mounting shaft 3 in sequence, the diameter of the positioning shaft 32 is smaller than that of the guide hole 23, the length of the positioning shaft 32 is larger than the sum of the thicknesses of the guide block 22 and the screen 21, when the block 27 is inserted into the slot 26, the guiding hole 23 just surrounds the outer side of the positioning shaft 32, when the mounting shaft 3 drives the screening net 21 to rotate, because the material distribution on the screening net 21 is not uniform enough, the rotating screening net 21 can drive the frame body 28 to swing on the limiting ring 12 and the fixture block 27, so that the material on the screening net 21 can be uniformly spread without stopping shaking, the screening of the material is promoted, and the side baffle 11 is made of elastic material, the side baffle 11 can not restrict the frame 28 by deformation and shaking of the frame 28, meanwhile, the side baffle 11 can prevent the materials from splashing and falling onto the screening shell 1 in the screening process. Further, side shield 11 is loudspeaker shape, and side shield 11's diameter is from last to diminishing down gradually, and screening frame 2's diameter also is from last to diminishing down gradually, adopts the structure that the diameter of complaining side shield 11 and screening frame 2 diminishes gradually, can make screening frame 2 be difficult for the lapse, improves screening frame 2's bearing capacity to increase the quantity of the material of screening at every turn, improve the screening efficiency when realizing changing the sieve separator progression. In addition, a second magnet 34 is fixed on the positioning shaft 32, a first magnet 33 is arranged on the fixture block 27, the second magnet 34 and the first magnet 33 are magnetically attracted, and when the screening frame 2 needs to be sequentially sleeved on the mounting shaft 3 from top to bottom for mounting and fixing, the fixture block 27 can be attached to the surface of the positioning shaft 32 by utilizing the characteristic that the second magnet 34 and the first magnet 33 are magnetically attracted, so that the fixture block 27 is prevented from turning outwards to block the screening frame 2 from moving downwards.
As shown in fig. 5, before screening materials, the screening frame 2 with the smallest size and the smallest mesh opening on the screening net 21 is taken out, the fixture blocks 27 except the fixture block 27 corresponding to the screening frame 2 are rotated inwards to the fixture grooves 26 on the positioning shaft 32 on the mounting shaft 3, the fixture blocks 27 are attached to the surface of the positioning shaft 32 by utilizing the characteristic that the second magnet 34 and the first magnet 33 are attracted magnetically, the fixture blocks 27 are prevented from turning outwards to block the screening frame 2 from moving downwards, then the screening frame 2 with the smallest size and the smallest mesh opening on the screening net 21 is sleeved on the mounting shaft 3 from top to bottom, when the limiting groove 24 on the frame body 28 of the screening frame 2 is nested on the limiting ring 12 of the side baffle 11, the fixture groove 26 of the screening net 21 of the screening frame 2 is just nested on the fixture block 27 at the lowest end of the mounting shaft 3, the frame body 28 and the screening net 21 are supported by the limiting ring 12 and the fixture blocks 27, the bearing capacity of the screening net 21 is improved, so that the quantity of materials screened at each time is increased, the screening efficiency is improved while the number of stages of a screening machine is changed, the discharge pipe corresponding to the screening frame 2 is connected to the discharge opening 25 of the frame body 28 of the screening frame 2, then the screening frame 2 is assembled on the mounting shaft 3 sequentially according to the size of the screening frame 2 from small to large according to the steps, the assembly of the screening frame 2 is completed, the structure is simple, the operation is convenient, the screening frame 2 can be rapidly assembled, the mesh size on the screening net 21 of the screening frame 2 is gradually reduced from top to bottom, after all the screening frames 2 are assembled, the motor is started to drive the mounting shaft 3 and the multi-layer screening frames 2 to rotate together, the materials with different sizes are poured into the screening frame 2 on the uppermost layer from the material pouring opening 5 at the top of the screening shell 1, and the screening net 21 of the rotating multi-layer screening frames 2 is screened layer by layer, the realization is to the classification of material, and the material after the screening in every layer of screening frame 2 can discharge different material buckets through bin outlet 25 and row material pipe because its centrifugal force effect, and the material that is screened by the screening frame 2 that is located the lower floor then drops in other material buckets through the discharge gate 4 of screening casing 1 bottom, realizes carrying out the purpose of classified storage to the material. And can take off the screening frame 2 of arbitrary layer according to customer's needs, adjust the categorised kind of material, if: second type, third type and fourth type, etc. also can be according to the particle size of the material that the customer will be screened out, select the screening frame 2 of the appropriate screening net 21 mesh to replace, and take off or replace screening frame 2 only need reverse operation above-mentioned step can, easy operation is convenient. Further, the screen frame 2 is removed to facilitate cleaning of the screen frame 2.
An operation method of an assembled screening machine convenient to assemble is characterized by comprising the following steps:
firstly, taking out the screening frame 2 with the smallest size and the smallest mesh opening of the screening net 21;
secondly, rotating other fixture blocks 27 except the fixture block 27 corresponding to the screening frame 2 inwards to the fixture grooves 26 on the positioning shaft 32 on the mounting shaft 3, and attaching the fixture blocks 27 to the surface of the positioning shaft 32 by utilizing the characteristic that the second magnet 34 and the first magnet 33 are magnetically attracted to each other so as to prevent the fixture blocks 27 from turning outwards to block the screening frame 2 from moving downwards;
thirdly, sleeving the screening frame 2 with the minimum size and the minimum mesh on the screening net 21 on the mounting shaft 3 from top to bottom until the limiting groove 24 on the frame body 28 of the screening frame 2 is nested on the limiting ring 12 of the side baffle 11, and meanwhile, the clamping groove 26 on the screening net 21 of the screening frame 2 is just nested on the clamping block 27 at the lowest end of the mounting shaft 3, and the frame body 28 and the screening net 21 are supported by the limiting ring 12 and the clamping block 27 together, so that the bearing capacity of the screening net 21 is improved, the quantity of materials screened at each time is increased, the grade of the screening machine is changed, and the screening efficiency is improved;
fourthly, connecting the discharge pipe corresponding to the screening frame 2 to the discharge port 25 of the frame body 28 of the screening frame 2;
fifthly, according to the size of the screening frame 2, the screening frames are sequentially arranged on the mounting shaft 3 from small to large according to the steps, and the mesh sizes on the screening net 21 of the screening frame 2 are gradually reduced from top to bottom;
sixthly, after the screening frames 2 of each layer are installed, starting the electric motor to enable the motor to drive the installation shaft 3 and the screening frames 2 of the plurality of layers to rotate together;
seventhly, pouring materials with different sizes into the screening frame 2 on the uppermost layer from a material pouring port 5 at the top of the screening shell 1;
eighth step, the successive layer screening of screening net 21 through rotatory multilayer screening frame 2 realizes the classification to the material, and the material after the screening in every layer of screening frame 2 can discharge different material buckets through bin outlet 25 and row material pipe because its centrifugal force effect, and the material that is screened by the screening frame 2 that is located the lower floor then drops in other material buckets through the discharge gate 4 of screening casing 1 bottom, realizes carrying out the purpose of classified storage to the material.
The motor control mode described in this patent is automatically controlled by a controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art, which belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and circuit connection are not explained in detail in the invention.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (6)
1. The utility model provides an assembled sieve separator convenient to equipment which characterized in that: comprises a screening shell and a screening frame,
a side baffle is arranged in the screening shell, a plurality of limiting rings are vertically and sequentially arranged on the inner wall of the side baffle, a plurality of screening frames are detachably arranged on the limiting rings, the screening frames are vertically and sequentially detachably arranged on an installation shaft, and the installation shaft is arranged in the screening shell;
the screening frame comprises a frame body and a screening net;
the middle part of the screening net is provided with a guide block which protrudes upwards, a coaxial guide hole penetrates through the middle part of the screening net and the middle part of the guide block, and the diameter of the guide hole is matched with that of the installation shaft;
the outer side surface of the frame body is provided with an inward concave limiting groove, the limiting ring is detachably arranged in the limiting groove, and the outer side surface of the frame body is provided with a discharge port;
the inside rotatable screening net that installs of framework.
2. The assembled screening machine of claim 1, wherein: the bottom surface of screening net all is equipped with a plurality of draw-in grooves, and the draw-in groove is located the guide block below, install the epaxial vertical a plurality of fixture blocks that are equipped with in proper order of axle, and during a plurality of fixture blocks detachable embedding draw-in grooves respectively, the rotatable mounting groove of locating of fixture block, just the mounting groove is located install the axle surface.
3. The assembled screening machine of claim 1, wherein: the side shield adopts elastic material to make, the side shield is the loudspeaker shape, and the diameter of side shield from last to diminishing down gradually, and the diameter of screening frame also from last to diminishing down gradually.
4. The assembled screening machine of claim 1, wherein: the epaxial vertical a plurality of location axles that are equipped with inwards sunken in proper order of installation, and the diameter of location axle is less than the diameter of guiding hole, and the length of location axle is greater than the thickness sum of guide block and screen cloth, and when the fixture block embedding draw-in groove, the outside at the location axle just is encircleed to the guiding hole.
5. An assembled screening machine as set forth in claim 4 wherein: the positioning shaft is fixed with a second magnet, the fixture block is provided with a first magnet, and the second magnet and the first magnet are attracted magnetically.
6. A method of operating an assembled screening machine as claimed in any one of claims 1 to 5, wherein the steps of:
the first step, taking out the screening frame with the smallest size and the smallest mesh on the screening net;
secondly, rotating other clamping blocks except the clamping block corresponding to the screening frame inwards to clamping grooves on the positioning shaft on the mounting shaft, and attaching the clamping blocks to the surface of the positioning shaft by utilizing the magnetic attraction of a second magnet and a first magnet;
thirdly, sleeving the screening frame with the minimum size and the minimum mesh on the screening net on the mounting shaft from top to bottom until a limiting groove on a frame body of the screening frame is nested on a limiting ring of the side baffle, and simultaneously, a clamping groove on the screening net of the screening frame is just nested on the clamping block which does not rotate inwards;
fourthly, connecting a discharge pipe corresponding to the screening frame to a discharge port of the screening frame;
fifthly, according to the size of the screening frame, the screening frame is sequentially arranged on the mounting shaft from small to large according to the steps, and the mesh size on the screening net of the screening frame is gradually reduced from top to bottom;
sixthly, after all the screening frames of each layer are installed, starting the electric motor to enable the motor to drive the installation shaft and the screening frames of the plurality of layers to rotate together;
seventhly, pouring materials with different sizes into the screening frame on the uppermost layer from the material pouring port;
eighth step, screen the material through rotatory multilayer screening frame successive layer, and the material after the screening can discharge different material buckets through bin outlet and row material pipe in every layer of screening frame, and the material that is screened by the screening frame that is located the lower floor then drops in other material buckets through the discharge gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011226365.8A CN112495790A (en) | 2020-11-06 | 2020-11-06 | Assembled screening machine convenient to assemble and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011226365.8A CN112495790A (en) | 2020-11-06 | 2020-11-06 | Assembled screening machine convenient to assemble and operation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112495790A true CN112495790A (en) | 2021-03-16 |
Family
ID=74955295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011226365.8A Withdrawn CN112495790A (en) | 2020-11-06 | 2020-11-06 | Assembled screening machine convenient to assemble and operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112495790A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0525192D0 (en) * | 2004-12-14 | 2006-01-18 | Univ Dundee | Apparatus for grading and arranging decorative chips |
| CN206046483U (en) * | 2016-08-23 | 2017-03-29 | 江西省一江秋粮油有限公司 | Screening impurity removing device when rice is processed |
| CN208154028U (en) * | 2018-04-03 | 2018-11-27 | 深圳市微世捷科技有限公司 | VR panoramic shooting machine support |
| CN109248856A (en) * | 2018-10-19 | 2019-01-22 | 贵州黔新茂源农业发展有限公司 | It is a kind of can multiple filtration white tea processing dregs filter |
| CN110537715A (en) * | 2018-05-28 | 2019-12-06 | 秭归县屈姑食品有限公司 | orange cleaning and screening device |
-
2020
- 2020-11-06 CN CN202011226365.8A patent/CN112495790A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0525192D0 (en) * | 2004-12-14 | 2006-01-18 | Univ Dundee | Apparatus for grading and arranging decorative chips |
| CN206046483U (en) * | 2016-08-23 | 2017-03-29 | 江西省一江秋粮油有限公司 | Screening impurity removing device when rice is processed |
| CN208154028U (en) * | 2018-04-03 | 2018-11-27 | 深圳市微世捷科技有限公司 | VR panoramic shooting machine support |
| CN110537715A (en) * | 2018-05-28 | 2019-12-06 | 秭归县屈姑食品有限公司 | orange cleaning and screening device |
| CN109248856A (en) * | 2018-10-19 | 2019-01-22 | 贵州黔新茂源农业发展有限公司 | It is a kind of can multiple filtration white tea processing dregs filter |
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Application publication date: 20210316 |