CN111535764A - Automatic adding device for drilling fluid treating agent - Google Patents
Automatic adding device for drilling fluid treating agent Download PDFInfo
- Publication number
- CN111535764A CN111535764A CN202010530831.5A CN202010530831A CN111535764A CN 111535764 A CN111535764 A CN 111535764A CN 202010530831 A CN202010530831 A CN 202010530831A CN 111535764 A CN111535764 A CN 111535764A
- Authority
- CN
- China
- Prior art keywords
- wall
- fixed
- drilling fluid
- sliding
- adding device
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 20
- 239000012530 fluid Substances 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 244000309464 bull Species 0.000 claims description 12
- 239000000654 additive Substances 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/062—Arrangements for treating drilling fluids outside the borehole by mixing components
-
- 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
- B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
- B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/068—Arrangements for treating drilling fluids outside the borehole using chemical treatment
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
Abstract
The invention provides an automatic drilling fluid treating agent adding device, which belongs to the technical field of drilling fluid treating agent adding, and comprises four racks, wherein one end of each of the four racks is fixed with the same transmission roller through a bearing relative to the outer wall, the outer walls of the two transmission rollers are sleeved with the same conveyor belt, the outer wall of one side of one of the racks is fixed with a first motor through a support, an output shaft of the first motor is connected with one of the transmission rollers through a coupler, the outer walls of two sides of the two racks, which are close to the lower part of the conveyor belt, are both fixed with the same material guide box through bolts, the outer wall of one side of the material guide box is hinged with a box door through a hinge, the outer wall of the top of the material guide box is provided with a feeding hole. The invention facilitates the screening of the treating agent in the two ends of the treating agent bag, thereby solving the problem of incomplete screening of the treating agent bag.
Description
Technical Field
The invention belongs to the technical field of drilling fluid additive addition, and particularly relates to an automatic adding device for a drilling fluid additive.
Background
In the prior art, a drilling fluid treatment agent refers to a chemical agent used in the process of formulating and treating a drilling fluid. The drilling fluid mainly consists of a solid phase and a liquid phase, the preparation process can be summarized as the process of uniformly adding solid into liquid, and currently, a manual method is mainly adopted to respectively add a solid slurry preparation material and a treating agent into the liquid. The method has the advantages of high labor intensity and low efficiency, and the generated dust has great harm to the health of workers. In order to solve the problem of manual addition of the treating agent, an automatic adding device for the drilling fluid treating agent is needed.
Through retrieval discovery, the Chinese patent with the grant publication number of CN205206766U discloses an automatic drilling fluid treating agent adding device, which comprises a conveyor belt, a bag opening cutter, a linear vibrating screen and a mixing hopper, wherein the conveyor belt comprises a conveyor belt main wheel, a conveyor belt auxiliary wheel and a pushing baffle, the bag opening cutter comprises a main cutter and an auxiliary cutter, the conveyor belt main wheel is connected with the main cutter through a belt, and the conveyor belt is obliquely arranged.
However, in the above technical solution, after the inside of the treating agent packaging bag is cut, the treating agent may still remain in the broken bag, and the treating agent inside the treating agent packaging bag is difficult to be quickly screened under the linear vibrating screen, so that the problem of incomplete screening exists.
Disclosure of Invention
The invention aims to provide an automatic adding device for a drilling fluid treating agent, and aims to solve the problem of incomplete screening in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: including four frames, per two the relative outer wall of frame one end all is fixed with same driving roller through the bearing, and same conveyer belt has all been cup jointed to two driving roller outer walls, one of them frame one side outer wall is fixed with first motor through the support, first motor output shaft is connected with one of them driving roller through the shaft coupling, two frames are close to the both sides outer wall of conveyer belt below and all have same guide box through the bolt fastening, guide box one side outer wall has the chamber door through hinge, guide box top outer wall is opened there is the feed inlet, the guide box is close to the both sides inner wall of feed inlet below and all is fixed with same cutter through the connecting piece, the inner wall that the guide box is close to the cutter both sides is provided with the.
In order to improve the quality of the shaker in the treating agent bag, as a preferable mode of the invention, the shaker mechanism comprises a first rotating rod, a transmission chain, a second motor, four sliding seats, two cams, two vibrating plates, four sliding rods, a second rotating rod and two rollers, and the second motor is fixed on the outer wall of one side of the frame through a bracket.
In order to facilitate the rotation of the second rotating rod, it is preferable that the second rotating rod is fixed on one side outer wall of the guide box through a bearing, and the second rotating rod is connected with an output shaft of the second motor through a screw thread.
In order to promote the up-and-down movement of the sliding rod, as a preferred embodiment of the present invention, the first rotating rod is fixed on an outer wall of one side of the material guiding box through a bearing, the transmission chain is sleeved on outer circumferential walls of the first rotating rod and the second rotating rod, and the two cams are respectively sleeved on outer circumferential walls of the first rotating rod and the second rotating rod.
In order to limit the sliding of the sliding rods, as a preferable mode of the invention, the four sliding seats are fixed on the inner wall of one side of the material guiding box through bolts, and the four sliding rods respectively slide in the sliding grooves of the four sliding seats.
In order to facilitate the matching of the cam and the sliding rods, as a preferred choice of the invention, the two rollers are fixed at the bottom ends of two of the sliding rods through the connecting seat, and the two vibrating plates are respectively welded on the outer walls of the opposite sides of every two sliding rods.
In order to facilitate the material containing disc to slide at the bottom of the material guiding box, as a preferable mode of the invention, sliding grooves are formed in the inner walls of two sides of the bottom of the material guiding box, and sliding plates are connected to the inner walls of the two sliding grooves in a sliding mode.
In order to improve the efficiency of automatic filling of the treating agent, as a preferable mode of the invention, the outer walls of the two opposite sides of the sliding plates are welded with the same material containing tray, and the outer walls of the two opposite sides of the sliding plates are both fixed with the same push-pull handle through bolts.
Compared with the prior art, the invention has the beneficial effects that:
1. through being provided with first bull stick, driving chain, second motor, four sliding seats, two cams, two vibration boards, four slide bars, second bull stick and two gyro wheels, made things convenient for the finishing agent in the finishing agent bag both ends to sift out, thereby solved the not thorough problem of finishing agent bag sieve material.
2. The sliding plate, the sliding groove, the material containing disc and the push-pull handle are arranged, so that the material containing disc is conveniently led out of the material guide box, and the efficiency of automatic filling of the treating agent is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the material guide box of the present invention;
FIG. 3 is a partial schematic view of the present invention;
in the figure: 1-a frame; 2-a driving roller; 3-a conveyor belt; 4-a first motor; 5-a material guiding box; 6-a box door; 7-a first rotating rod; 8-a transmission chain; 9-a second motor; 10-cutting knife; 11-a material containing tray; 12-a slide plate; 13-push-pull grip; 14-a slide mount; 15-a cam; 16-a vibrating plate; 17-a slide bar; 18-roller.
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. 1-3, the present invention provides the following technical solutions: including four frames 1, per two the relative outer wall of 1 one end in frame all is fixed with same driving roller 2 through the bearing, and same conveyer belt 3 has all been cup jointed to two driving roller 2 outer walls, 1 one side outer wall of one of them frame is fixed with first motor 4 through the support, first motor 4 output shaft is connected with one of them driving roller 2 through the shaft coupling, two both sides outer walls that frame 1 is close to conveyer belt 3 below all have same guide box 5 through the bolt fastening, 5 one side outer walls of guide box have chamber door 6 through hinge joint, 5 top outer walls of guide box open there is the feed inlet, guide box 5 is close to the both sides inner wall of feed inlet below and all is fixed with same cutter 10 through the connecting piece, the inner wall that guide box 5 is close to the cutter 10 both sides is provided with the riddle.
In the embodiment of the invention, the first motor 4 is started, the first motor 4 drives the transmission roller 2 to rotate, the transmission roller 2 drives the conveyor belt 3 to transmit, so that the treating agent bag is conveyed to the feed inlet at the top of the material guide box 5, and falls onto the cutter 10 through the feed inlet due to gravity, so that the treating agent bag is cut.
Specifically, the vibrating screen mechanism comprises a first rotating rod 7, a transmission chain 8, a second motor 9, four sliding seats 14, two cams 15, two vibrating plates 16, four sliding rods 17, a second rotating rod and two idler wheels 18, wherein the second motor 9 is fixed on the outer wall of one side of the rack 1 through a support, the second rotating rod is fixed on the outer wall of one side of the material guiding box 5 through a bearing, the second rotating rod is connected with an output shaft of the second motor 9 through a thread, the first rotating rod 7 is fixed on the outer wall of one side of the material guiding box 5 through a bearing, the transmission chain 8 is sleeved on the circumferential outer walls of the first rotating rod 7 and the second rotating rod, the two cams 15 are respectively sleeved on the circumferential outer walls of the first rotating rod 7 and the second rotating rod, the four sliding seats 14 are all fixed on the inner wall of one side of the material guiding box 5 through bolts, the four sliding rods 17 are respectively slid in sliding chutes of the four sliding seats 14, and the two idler wheels 18 are all fixed at the bottom ends of the, two vibration plates 16 are welded on the outer wall of each of the two opposite sides of the sliding rod 17.
In this embodiment: through starting second motor 9, second motor 9 drives the second bull stick rotatory, the second bull stick passes through driving chain 8 and drives first bull stick 7 rotatory, rotatory first bull stick 7 and second bull stick then drive corresponding cam 15 rotatory, two cams 15 drive the slide bar 17 at corresponding gyro wheel 18 top and carry out the up-and-down motion in sliding seat 14, and vibrations board 16 between per two slide bars 17 then carries out the shale shaker work to the treatment agent bag both sides after the cutting in an orderly manner under pivoted cam 15, and then avoided the extravagant problem of treatment agent in the treatment agent bag, the automatic efficiency that adds of whole mechanism has been improved.
Specifically, the inner walls of two sides of the bottom of the material guiding box 5 are provided with sliding grooves, the inner walls of the two sliding grooves are connected with sliding plates 12 in a sliding mode, the outer wall of one side, opposite to the two sliding plates 12, is welded with the same material containing tray 11, and the outer wall of one side, opposite to the two sliding plates 12, is fixed with the same push-pull handle 13 through bolts.
In this embodiment: the sliding plates 12 on the two sides of the material containing tray 11 slide in the two sliding grooves by pulling the push-pull handle 13, so that the material containing tray 11 is led out from the material guiding box 5 conveniently, and the efficiency of automatic filling of the treating agent is improved.
The working principle and the using process of the invention are as follows: by starting the first motor 4, the first motor 4 drives the transmission roller 2 to rotate, the transmission roller 2 drives the transmission belt 3 to transmit, so that the treating agent bag is conveyed to a feed inlet at the top of the material guide box 5, and falls onto the cutter 10 through the feed inlet due to the gravity of the treating agent bag, so that the treating agent bag is cut, at the moment, by starting the second motor 9, the second motor 9 drives the second rotating rod to rotate, the second rotating rod drives the first rotating rod 7 to rotate through the transmission chain 8, the rotating first rotating rod 7 and the second rotating rod drive the corresponding cams 15 to rotate, the two cams 15 drive the corresponding sliding rods 17 at the tops of the rollers 18 to move up and down in the sliding seats 14, and the vibration plate 16 between every two sliding rods 17 orderly carries out vibration screening work on the two sides of the cut treating agent bag under the rotating cam 15, after the screening is finished, the treating agent in the material containing tray 11 is taken out from the material guiding box 5 by pulling the push-pull handle 13.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. Automatic device that adds of drilling fluid additive, its characterized in that: comprises four machine frames (1), one end of each two machine frames (1) is fixed with the same driving roller (2) through a bearing relative to the outer wall, the outer walls of the two driving rollers (2) are sleeved with the same conveyor belt (3), one of them frame (1) one side outer wall is fixed with first motor (4) through the support, first motor (4) output shaft is connected with one of them driving roller (2) through the shaft coupling, two frame (1) are close to both sides outer wall of conveyer belt (3) below and all have same guide box (5) through the bolt fastening, guide box (5) one side outer wall articulates through the hinge has chamber door (6), guide box (5) top outer wall is opened there is the feed inlet, guide box (5) are close to both sides inner wall of feed inlet below and all are fixed with same cutter (10) through the connecting piece, the inner wall that guide box (5) are close to cutter (10) both sides is provided with the riddle mechanism.
2. The automatic drilling fluid additive adding device according to claim 1, wherein: the vibrating screen mechanism comprises a first rotating rod (7), a transmission chain (8), a second motor (9), four sliding seats (14), two cams (15), two vibrating plates (16), four sliding rods (17), a second rotating rod and two rollers (18), and the second motor (9) is fixed on the outer wall of one side of the frame (1) through a support.
3. The automatic drilling fluid additive adding device according to claim 2, characterized in that: the second rotating rod is fixed on the outer wall of one side of the material guiding box (5) through a bearing and is connected with an output shaft of a second motor (9) through threads.
4. The automatic drilling fluid additive adding device according to claim 2, characterized in that: first bull stick (7) are fixed in on the outer wall of one side of guide case (5) through the bearing, and driving chain (8) cup joint on the circumference outer wall of first bull stick (7) and second bull stick, and two cams (15) cup joint respectively on the circumference outer wall of first bull stick (7) and second bull stick.
5. The automatic drilling fluid additive adding device according to claim 2, characterized in that: the four sliding seats (14) are fixed on the inner wall of one side of the material guiding box (5) through bolts, and the four sliding rods (17) slide in the sliding grooves of the four sliding seats (14) respectively.
6. The automatic drilling fluid additive adding device according to claim 2, characterized in that: two gyro wheel (18) all are fixed in the bottom of wherein two slide bars (17) through the connecting seat, and two vibration boards (16) weld respectively on per two slide bars (17) relative one side outer wall.
7. The automatic drilling fluid additive adding device according to claim 1, wherein: the inner walls of two sides of the bottom of the material guiding box (5) are both provided with sliding grooves, and the inner walls of the two sliding grooves are both connected with sliding plates (12) in a sliding mode.
8. The automatic drilling fluid additive adding device according to claim 7, wherein: the outer wall of one side, opposite to the two upper sliding plates (12), is welded with the same material containing tray (11), and the outer wall of one side, opposite to the two sliding plates (12), is fixed with the same push-pull handle (13) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010530831.5A CN111535764A (en) | 2020-06-11 | 2020-06-11 | Automatic adding device for drilling fluid treating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010530831.5A CN111535764A (en) | 2020-06-11 | 2020-06-11 | Automatic adding device for drilling fluid treating agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111535764A true CN111535764A (en) | 2020-08-14 |
Family
ID=71979666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010530831.5A Pending CN111535764A (en) | 2020-06-11 | 2020-06-11 | Automatic adding device for drilling fluid treating agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111535764A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146936A (en) * | 2021-11-26 | 2022-03-08 | 彩智电子科技(江西)有限公司 | Automatic arrange chip resistor production of material and use visual inspection device |
-
2020
- 2020-06-11 CN CN202010530831.5A patent/CN111535764A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146936A (en) * | 2021-11-26 | 2022-03-08 | 彩智电子科技(江西)有限公司 | Automatic arrange chip resistor production of material and use visual inspection device |
| CN114146936B (en) * | 2021-11-26 | 2023-12-05 | 彩智电子科技(江西)有限公司 | Automatic appearance inspection device is used in chip resistor production of row material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203508387U (en) | Vibrating screener | |
| CN111535764A (en) | Automatic adding device for drilling fluid treating agent | |
| CN111842113B (en) | Ecological rice processing is with screening dust collector | |
| CN113562278B (en) | Compound food additive production system | |
| CN111535763A (en) | Automatic adding device and adding method for drilling fluid treating agent | |
| CN218370211U (en) | Raw materials conveyor is used in plastic film production | |
| CN212743924U (en) | Automatic device that adds of drilling fluid additive | |
| CN208146369U (en) | Biaxial biomass separator | |
| CN215099964U (en) | Oil-leaching mesh belt machine | |
| CN213170498U (en) | Material conveying device for production of para-anisidine | |
| CN210411441U (en) | Conveying device for food processing and convenient to sort | |
| CN221433910U (en) | Electric vibrating screen machine | |
| CN215313739U (en) | Machine part quality screening plant | |
| CN107413617B (en) | Screen vibrating bagasse depither | |
| CN215430199U (en) | Automatic part screening machine capable of automatically sorting, screening and collecting | |
| CN213829872U (en) | Circulating plastic grinder | |
| CN111097683A (en) | Sand removing device for bean product processing | |
| CN219401083U (en) | Be used for bagging-off nectarine oolong partial shipment equipment | |
| CN214356961U (en) | Chopstick packaging machine with arranging structure for bamboo chopstick production | |
| CN216860301U (en) | Full-automatic feeding device of modified nylon engineering plastics | |
| CN217019594U (en) | Milling machine piece baling equipment | |
| CN108703403A (en) | Lump offal aeration apparatus | |
| CN209452280U (en) | A kind of cleaning plant of screen-dividing machine | |
| CN219383839U (en) | Full-automatic processing feeding equipment | |
| CN209866643U (en) | Screening machine for processing traditional Chinese medicines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200814 |
|
| WD01 | Invention patent application deemed withdrawn after publication |