CN221038147U - Automatic sampling and checking device for online production - Google Patents
Automatic sampling and checking device for online production Download PDFInfo
- Publication number
- CN221038147U CN221038147U CN202322648773.8U CN202322648773U CN221038147U CN 221038147 U CN221038147 U CN 221038147U CN 202322648773 U CN202322648773 U CN 202322648773U CN 221038147 U CN221038147 U CN 221038147U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- arc
- shaped plate
- feeding pipeline
- driving
- 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.)
- Active
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000012216 screening Methods 0.000 claims abstract description 29
- 238000007689 inspection Methods 0.000 claims abstract description 19
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 239000004744 fabric Substances 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides an on-line production automatic sampling inspection device, which belongs to the technical field of sampling detection, and comprises a feeding pipeline and a connecting pipeline, wherein one side of the feeding pipeline is provided with a material through hole, and one end of the connecting pipeline is fixedly arranged in the material through hole; a packing auger rod is arranged in the connecting pipeline, and one end of the packing auger rod penetrates through the material through hole and stretches into the feeding pipeline; the crushed materials are placed into the feeding pipeline, the rotating mechanism drives the arc plate to rotate, when the arc plate rotates to the lower part of the auger rod, the driving mechanism drives the auger rod to rotate, the auger rod conveys the materials on the arc plate into the connecting pipeline, the materials enter the screening pipeline through the conveying pipeline, the vibrating circular screening machine screens the materials, an operator observes the screened materials, and decides whether to replace the screen cloth in the crushing machine, manual sampling is not needed for screening inspection, and personal injury is avoided.
Description
Technical Field
The utility model belongs to the technical field of sampling detection, and particularly relates to an on-line production automatic sampling inspection device.
Background
At present, the yield of a crushing workshop of a feed factory and an alcohol factory is large, the abrasion problem of a screen of a crusher is more remarkable, when the screen is problematic, crushed materials contain large particles which are not fully crushed, and the large particles enter the next process to cause grain waste due to insufficient fermentation and other problems. The current main mode is to go to workshop for inspection by staff at regular time, sample from the system and then carry out screening inspection. Direct sampling from on-line production equipment by manpower is easy to have risk of incorrect operation and personal injury. The device not only can reduce staff work tasks, but also can reduce staff operation risks and is more accurate in granularity judgment.
Disclosure of utility model
The utility model aims to provide an on-line production automatic sampling and checking device, which aims to solve the problems that manual sampling is needed for screening and checking and personal injury is easy to cause in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an on-line production automatic sampling inspection device comprising: the device comprises a feeding pipeline and a connecting pipeline, wherein a material through hole is formed in one side of the feeding pipeline, and one end of the connecting pipeline is fixedly arranged in the material through hole;
A packing auger rod is arranged in the connecting pipeline, and one end of the packing auger rod penetrates through the material through hole and stretches into the feeding pipeline;
An arc-shaped plate capable of rotating around the material through hole is arranged on the inner wall of the feeding pipeline, which is close to the connecting pipeline, the arc-shaped plate extends in the left-right direction inside the feeding pipeline, and a gap for the material to pass through is reserved between one end of the arc-shaped plate, which is far away from the connecting pipeline, and the inner wall of one side of the feeding pipeline, which is far away from the connecting pipeline;
A rotating mechanism is arranged in the feeding pipeline and connected with the arc-shaped plate, and the rotating mechanism is used for driving the arc-shaped plate to rotate;
When the arc-shaped plate rotates to the upper part of the auger rod, the arc-shaped plate can prevent materials from falling onto the auger rod from the upper part;
When the arc-shaped plate rotates below the auger rod, the auger rod can convey materials falling on the arc-shaped plate into the connecting pipeline;
One end of the connecting pipeline, which is far away from the feeding pipeline, is fixedly provided with a conveying pipeline, the upper end and the lower end of the conveying pipeline are provided with screening pipelines, the screening pipelines are communicated with the inside of the conveying pipeline, one end of the conveying pipeline is provided with a driving mechanism, the driving mechanism is connected with the auger rod, and the driving mechanism is used for driving the auger rod to rotate;
The screening pipeline bottom is equipped with vibrations rotary screen machine, shakes the rotary screen machine and is used for sieving the material.
As one preferable mode of the utility model, an annular limiting groove is formed in the feeding pipeline, the rotating mechanism comprises a toothed ring which is rotatably arranged in the annular limiting groove, and the inner wall of the toothed ring is fixedly connected with one end of the arc-shaped plate;
the feeding pipeline is internally provided with a gear driving mechanism, and the gear driving mechanism is used for driving the toothed ring to rotate.
As one preferable mode of the utility model, a through groove which is communicated left and right is formed in the feeding pipeline, the gear driving mechanism comprises a driving motor fixedly arranged on the outer wall of the feeding pipeline, and the output end of the driving motor extends into the feeding pipeline through the through groove;
The output end of the driving motor is fixedly connected with a driving gear, and the driving gear is meshed with the toothed ring.
As one preferable mode of the utility model, a limiting mechanism is arranged in the feeding pipeline and is used for limiting the arc-shaped plate.
As one preferable mode of the utility model, the limiting mechanism comprises a limiting block fixedly arranged in the feeding pipeline, clamping grooves are formed in the limiting block at intervals up and down, the clamping grooves extend in the up-down direction in the limiting block, a pressure sensor is arranged in the clamping grooves, and the pressure sensor is in control connection with the driving motor;
Clamping blocks matched with the clamping grooves are arranged at the front end and the rear end of the arc-shaped plate at intervals;
the motor control device further comprises a controller, wherein the controller is in control connection with the pressure sensor, and the controller is in control connection with the motor.
Preferably, the driving mechanism comprises a motor fixedly arranged on the outer wall of the conveying pipeline, and the output end of the motor is connected with the auger stem.
Preferably, a flange is fixedly arranged at the joint of the connecting pipeline and the conveying pipeline, and the flange is used for connecting the connecting pipeline and the conveying pipeline together.
As one preferable mode of the utility model, a corrugated pipe is arranged between the vibrating circular screen machine and the screening pipeline, and a cover plate is arranged at the top of the screening pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
This automatic sampling inspection device of online production puts into the feed pipe with the material after smashing in, rotary mechanism drives the arc and rotates, and when the arc rotated auger pole below, actuating mechanism drove the auger pole and rotated, in the auger pole was carried the material on the arc to connecting tube, enters into the screening pipeline through conveying tube, shakes the rotary screen machine and screens the material, and operating personnel observes the material after the screening, decides whether changes the screen cloth in the rubbing crusher, does not need the manual sampling to carry out screening inspection, avoids causing the injury to the person.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a front view of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;
FIG. 5 is a side view of an embodiment of the present utility model;
FIG. 6 is a schematic cross-sectional view of the structure A-A of FIG. 5.
In the figure: 10. a feed conduit; 11. a connecting pipe; 12. twisting Long Gan; 13. a flange; 14. an arc-shaped plate; 15. a delivery conduit; 16. screening the pipeline; 161. a cover plate; 17. vibrating the round screen machine; 21. a toothed ring; 22. a driving motor; 23. a drive gear; 24. a limiting block; 241. a clamping groove; 25. a clamping block; 31. and a motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides the following technical solutions: an on-line production automatic sampling inspection device comprising: the feeding pipeline 10 and the connecting pipeline 11, one side of the feeding pipeline 10 is provided with a material through hole, one end of the connecting pipeline 11 is fixedly arranged in the material through hole, and the crushed material of the crusher is placed in the feeding pipeline 10.
The inside auger pole 12 that is equipped with of connecting tube 11, the one end of auger pole 12 is passed the material through-hole and is stretched into inside the feeding pipeline 10, and connecting tube 11 is kept away from the fixed pipeline 15 that is equipped with of one end of feeding pipeline 10, and connecting tube 11 and pipeline 15 junction fixedly are equipped with flange 13, flange 13 is used for being in the same place connecting tube 11 and pipeline 15.
The connecting pipeline 11 is kept away from the fixed pipeline 15 that is equipped with of one end of charge-in pipeline 10, and auger stem 12 can carry the material to pipeline 15 inside, and pipeline 15 upper and lower both ends are equipped with screening pipeline 16.
Referring to fig. 1-6, a vibrating screen 17 is disposed at the bottom of the screening pipe 16, a bellows is disposed between the vibrating screen 17 and the screening pipe 16, a cover plate 161 is disposed at the top of the screening pipe 16, materials are conveyed to the inside of the screening pipe 16 under the action of the auger 12, and enter the vibrating screen 17 through the bellows, the vibrating screen 17 is used for vibrating and screening the materials, so as to observe whether larger particles are not crushed, and determine whether to replace the screen of the crusher.
One end of the conveying pipeline 15 is provided with a driving mechanism, the driving mechanism is connected with the auger stem 12 and is used for driving the auger stem 12 to rotate, the driving mechanism comprises a motor 31 fixedly installed on the outer wall of the conveying pipeline 15, the output end of the motor 31 is connected with the auger stem 12, and the motor 31 drives the auger stem 12 to rotate.
The inner wall of the feeding pipeline 10, which is close to the connecting pipeline 11, is provided with an arc-shaped plate 14 capable of rotating around the material through hole, the arc-shaped plate 14 extends in the left-right direction inside the feeding pipeline 10, and a gap for the material to pass through is reserved between one end of the arc-shaped plate 14, which is far away from the connecting pipeline 11, and the inner wall of one side of the feeding pipeline 10, which is far away from the connecting pipeline 11.
Referring to fig. 1-6, a rotating mechanism is disposed in the feeding pipe 10, and is connected to the arc plate 14, and the rotating mechanism is used for driving the arc plate 14 to rotate; when the arc-shaped plate 14 rotates above the auger stem 12, the arc-shaped plate 14 can prevent materials from falling onto the auger stem 12 from above; when the arc 14 rotates below the auger stem 12, the auger stem 12 is able to transport material falling on the arc 14 into the connecting duct 11.
An annular limiting groove is formed in the feeding pipeline 10, the rotating mechanism comprises a toothed ring 21 rotatably arranged in the annular limiting groove, and the inner wall of the toothed ring 21 is fixedly connected with one end of the arc-shaped plate 14; the inside of the feeding pipe 10 is provided with a gear driving mechanism, and the gear driving mechanism is used for driving the toothed ring 21 to rotate.
The inside of the feeding pipeline 10 is provided with a left-right through groove, the gear driving mechanism comprises a driving motor 22 fixedly arranged on the outer wall of the feeding pipeline 10, the driving motor 22 is a motor capable of rotating positively and negatively, and the output end of the driving motor 22 extends into the inside of the feeding pipeline 10 through the through groove; the output end of the driving motor 22 is fixedly connected with a driving gear 23, and the driving gear 23 is meshed with the toothed ring 21.
Referring to fig. 1-6, the driving motor 22 drives the driving gear 23 to rotate, the driving gear 23 drives the toothed ring 21 to rotate, and the toothed ring 21 drives the arc plate 14 to rotate.
The inside stop gear that is equipped with of feeding pipe 10, stop gear is used for spacing arc 14, and stop gear includes the stopper 24 of fixed mounting inside feeding pipe 10, the interval is equipped with draw-in groove 241 about stopper 24, draw-in groove 241 extends along the upper and lower direction in stopper 24 inside, the inside pressure sensor that is equipped with of draw-in groove 241, pressure sensor is connected with driving motor 22 control.
Referring to fig. 1-6, the front and rear ends of the arc plate 14 are provided with clamping blocks 25 adapted to the clamping grooves 241 at intervals; the screw conveyer further comprises a controller, the controller is in control connection with the pressure sensor, the controller is in control connection with the motor 31, the controller is in control connection with the driving motor 22, when the arc-shaped plate 14 rotates above the screw conveyer rod 12, the clamping block 25 enters the clamping groove 241, the pressure sensor controls the driving motor 22 to stop rotating, the controller controls the motor 31 to stop rotating, and the screw conveyer rod 12 does not work.
When the arc plate 14 rotates below the auger stem 12, the clamping block 25 enters the clamping groove 241, the pressure sensor controls the driving motor 22 to stop rotating, the controller controls the motor 31 to rotate, and the auger stem 12 starts rotating.
Referring to fig. 1-6, the principle of operation is: the crushed materials of the crusher enter the feeding pipeline 10, when the materials are required to be screened, the controller controls the driving motor 22 to rotate, the driving motor 22 drives the driving gear 23 to rotate, the driving gear 23 drives the toothed ring 21 to rotate, the toothed ring 21 drives the arc plate 14 to rotate, when the arc plate 14 rotates below the auger rod 12, the clamping block 25 enters the clamping groove 241, the pressure sensor controls the driving motor 22 to stop rotating, the controller controls the motor 31 to rotate, and the auger rod 12 starts rotating.
The auger stem 12 conveys the material that falls on the arc 14 to the inside of connecting tube 11, and the inside material of reconnection tube 11 is conveyed to pipeline 15 inside, through screening pipeline 16 with the material conveying to vibrations round sifter 17 in, vibrations round sifter 17 shakes the screen cloth to the material, observes whether the material after the screening has large granule, decides whether to change the screen cloth in the rubbing crusher, does not need the manual sampling to carry out screening inspection, avoids causing the injury to the person.
After the inspection is finished, the controller controls the driving motor 22 to rotate, the driving motor 22 drives the driving gear 23 to rotate, the driving gear 23 drives the toothed ring 21 to rotate, the toothed ring 21 drives the arc-shaped plate 14 to rotate above the auger stem 12, the clamping blocks 25 enter the clamping grooves 241, the pressure sensor controls the driving motor 22 to stop rotating, the controller controls the motor 31 to stop rotating, and the auger stem 12 does not work.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
Claims (8)
1. An on-line production automatic sampling inspection device, comprising: the device comprises a feeding pipeline (10) and a connecting pipeline (11), wherein a material through hole is formed in one side of the feeding pipeline (10), and one end of the connecting pipeline (11) is fixedly arranged in the material through hole;
A winch Long Gan (12) is arranged in the connecting pipeline (11), and one end of the winch Long Gan (12) penetrates through the material through hole and stretches into the feeding pipeline (10);
An arc-shaped plate (14) capable of rotating around the material through hole is arranged on the inner wall of the feeding pipeline (10) close to the connecting pipeline (11), the arc-shaped plate (14) extends in the left-right direction inside the feeding pipeline (10), and a gap for the material to pass through is reserved between one end of the arc-shaped plate (14) away from the connecting pipeline (11) and the inner wall of one side of the feeding pipeline (10) away from the connecting pipeline (11);
A rotating mechanism is arranged in the feeding pipeline (10), the rotating mechanism is connected with the arc-shaped plate (14), and the rotating mechanism is used for driving the arc-shaped plate (14) to rotate;
When the arc-shaped plate (14) rotates to the upper part of the auger rod (12), the arc-shaped plate (14) can prevent materials from falling onto the auger rod (12) from the upper part;
When the arc-shaped plate (14) rotates below the auger stem (12), the auger Long Gan (12) can convey the materials falling on the arc-shaped plate (14) into the connecting pipeline (11);
one end of the connecting pipeline (11) far away from the feeding pipeline (10) is fixedly provided with a conveying pipeline (15), the upper end and the lower end of the conveying pipeline (15) are provided with screening pipelines (16), the screening pipelines (16) are communicated with the inside of the conveying pipeline (15), one end of the conveying pipeline (15) is provided with a driving mechanism, the driving mechanism is connected with the winch Long Gan (12), and the driving mechanism is used for driving the winch Long Gan (12) to rotate;
The bottom of the screening pipeline (16) is provided with a vibrating circular screen machine (17), and the vibrating circular screen machine (17) is used for screening materials.
2. An on-line production automatic sampling inspection device according to claim 1, wherein: an annular limiting groove is formed in the feeding pipeline (10), the rotating mechanism comprises a toothed ring (21) rotatably arranged in the annular limiting groove, and the inner wall of the toothed ring (21) is fixedly connected with one end of the arc-shaped plate (14);
The inside of the feeding pipeline (10) is provided with a gear driving mechanism which is used for driving the toothed ring (21) to rotate.
3. An on-line production automatic sampling inspection device according to claim 2, wherein: the gear driving mechanism comprises a driving motor (22) fixedly arranged on the outer wall of the feeding pipeline (10), and the output end of the driving motor (22) extends into the feeding pipeline (10) through the through groove;
The output end of the driving motor (22) is fixedly connected with a driving gear (23), and the driving gear (23) is meshed with the toothed ring (21).
4. An on-line production automatic sampling inspection device according to claim 3, wherein: the feeding pipeline (10) is internally provided with a limiting mechanism, and the limiting mechanism is used for limiting the arc-shaped plate (14).
5. An on-line production automatic sampling inspection device according to claim 4, wherein: the limiting mechanism comprises limiting blocks (24) fixedly arranged in the feeding pipeline (10), clamping grooves (241) are formed in the limiting blocks (24) at intervals up and down, the clamping grooves (241) extend in the upper and lower directions in the limiting blocks (24), pressure sensors are arranged in the clamping grooves (241), and the pressure sensors are in control connection with the driving motor (22);
Clamping blocks (25) matched with the clamping grooves (241) are arranged at the front end and the rear end of the arc-shaped plate (14) at intervals;
the device also comprises a controller, wherein the controller is in control connection with the pressure sensor, and the controller is in control connection with the motor (31).
6. An on-line production automatic sampling inspection device according to claim 1, wherein: the driving mechanism comprises a motor (31) fixedly arranged on the outer wall of the conveying pipeline (15), and the output end of the motor (31) is connected with the winch Long Gan (12).
7. An on-line production automatic sampling inspection device according to any one of claims 1-6, wherein: the flange (13) is fixedly arranged at the joint of the connecting pipeline (11) and the conveying pipeline (15), and the flange (13) is used for connecting the connecting pipeline (11) and the conveying pipeline (15) together.
8. An on-line production automatic sampling inspection device according to claim 1, wherein: corrugated pipes are arranged between the vibrating circular screen machine (17) and the screening pipeline (16), and a cover plate (161) is arranged at the top of the screening pipeline (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322648773.8U CN221038147U (en) | 2023-09-28 | 2023-09-28 | Automatic sampling and checking device for online production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322648773.8U CN221038147U (en) | 2023-09-28 | 2023-09-28 | Automatic sampling and checking device for online production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221038147U true CN221038147U (en) | 2024-05-28 |
Family
ID=91165962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322648773.8U Active CN221038147U (en) | 2023-09-28 | 2023-09-28 | Automatic sampling and checking device for online production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221038147U (en) |
-
2023
- 2023-09-28 CN CN202322648773.8U patent/CN221038147U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113559969B (en) | Multilayer drawer type automatic material preparation bin based on RFID radio frequency technology | |
| CN108686918B (en) | Automatic soil screening device and system thereof | |
| CN221038147U (en) | Automatic sampling and checking device for online production | |
| CN204479373U (en) | A kind ofly automatically get coal sample preparation device for coal industry analysis | |
| CN105327850A (en) | Unpowered rotating screening device based on screw conveyer | |
| CN212493164U (en) | Raw materials reducing mechanism for starch production | |
| CN219381200U (en) | Feeding stirring device for plastic film production | |
| CN208928541U (en) | Sized High-efficiency Screening Equipment with self-test and handoff functionality | |
| CN210552890U (en) | Feeding device of degradable plastic bag film blowing machine | |
| CN115901349B (en) | Particle size analyzer with flow stabilizer | |
| CN104444380B (en) | Negative-pressure pneumatic conveying-type rotary feeder | |
| CN111250218A (en) | Smash effectual environment-friendly fertilizer rubbing crusher | |
| CN110586475A (en) | Device for automatically detecting large-particle materials in vibrating screen pipeline | |
| CN203450637U (en) | Program-controlled coal feeding device for raw coal bunker | |
| CN108816739A (en) | Sized High-efficiency Screening Equipment with self-test and handoff functionality | |
| CN206208690U (en) | A kind of lead powder apparent gravity testing equipment | |
| CN210935909U (en) | Device for automatically detecting large-particle materials in vibrating screen pipeline | |
| CN109485237B (en) | Glass bottle jar processing feeder machine | |
| CN208583583U (en) | A kind of gypsum powder full automatic treatment is mechanical | |
| CN207841843U (en) | A kind of resin cover board making raw material feeder | |
| CN219324426U (en) | Automatic medicine screening machine | |
| CN217059611U (en) | Multidirectional mixing device of thick liquids for building engineering | |
| CN213727691U (en) | Be suitable for metal powder's sharp sieve feed system | |
| CN213891181U (en) | Feeding structure of plastic extruder | |
| CN111729740A (en) | Waste textile recycling device and using method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |