CN109094827B - Powder trace feeding device - Google Patents

Powder trace feeding device Download PDF

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Publication number
CN109094827B
CN109094827B CN201810780558.4A CN201810780558A CN109094827B CN 109094827 B CN109094827 B CN 109094827B CN 201810780558 A CN201810780558 A CN 201810780558A CN 109094827 B CN109094827 B CN 109094827B
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China
Prior art keywords
feeding
feeding device
primary
disc
storage bin
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Active
Application number
CN201810780558.4A
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Chinese (zh)
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CN109094827A (en
Inventor
侯程伟
张金旭
黄�益
王富安
张璐
刘春阳
范希龙
刘相杰
胡恺
桑昌勇
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Jiujiang 707 Institute Of Precision Mechatronics Sci & Tech Co ltd
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Jiujiang 707 Institute Of Precision Mechatronics Sci & Tech Co ltd
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Priority to CN201810780558.4A priority Critical patent/CN109094827B/en
Publication of CN109094827A publication Critical patent/CN109094827A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B65B1/32Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
    • B65B1/34Adjusting weight by trickle feed

Abstract

The invention discloses a micro powder feeding device.A feeding mechanism comprises a primary feeding device, a secondary feeding device and a fine adjustment feeding device; the primary feeding device comprises a primary feeding disc and a kickoff, and the kickoff can be used for kicking the materials on the primary feeding disc to the secondary feeding device on one side; the secondary feeding device comprises a rotatable secondary feeding disc and a refining device, a feed opening is formed in one side of the secondary feeding disc, the secondary feeding disc conveys materials to the feed opening, and the refining device scrapes the materials uniformly into a certain thickness in the material conveying process; the fine-adjustment feeding device comprises a scraper used for scraping materials on the secondary feeding disc to the discharge hole. The invention adopts a feeding mode that the primary feeding device, the secondary feeding device and the fine-tuning feeding device work cooperatively, can subdivide the powder to be fed into continuous and uniform linear materials, and the powder is discharged uninterruptedly and is in a uniform linear shape, thereby achieving the purpose of high feeding precision.

Description

Powder trace feeding device
Technical Field
The invention belongs to the technical field of powder feeding devices, and particularly relates to a powder micro-feeding device.
Background
Powder refers to a collection of solid particles. Compared with a solid, the powder has the following characteristics: the increase of the specific surface area promotes the solubility and the activity of the substance; has certain fluidity compared with solid; the separation of components is easily achieved. The powder is widely applied to various fields of building materials, machinery, energy, plastics, rubber, mines, metallurgy, food, feed, pesticide and the like.
Powder feeding equipment can be divided into two categories in principle: volume and weight. The former is suitable for occasions with low precision requirements, and the equipment structure is relatively simple; the weight type is suitable for occasions needing high-precision or ultrahigh-precision feeding. The precision of the feeding equipment on the market is generally 0.5-1 percent at present, and the requirements of partial occasions can be met. For micro feeding with higher precision, a good solution is not provided at present. For example, whitening agent and trace element nutrition strengthening are added in the production process of flour, calcium hydroxide and activated carbon are added in flue gas of a power plant for desulfurization, color master is added in plastic products, medicinal powder and the like are added in water treatment, powder of several grams or even several hundred milligrams needs to be weighed, the precision needs to meet 0.2-0.3 percent, and the existing feeding mode and weighing mode cannot meet the high precision requirement.
Disclosure of Invention
The invention aims to provide a powder micro-feeding device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a micro powder feeding device comprises a feeding mechanism, wherein the feeding mechanism comprises a primary feeding device, a secondary feeding device and a fine adjustment feeding device, and the primary feeding device and the fine adjustment feeding device are connected by the secondary feeding device;
the primary feeding device comprises a primary feeding disc and a kickoff, and the kickoff can be used for kicking the materials on the primary feeding disc to the secondary feeding device on one side;
the secondary feeding device comprises a rotatable secondary feeding disc and a refining device, a feed opening is formed in one side of the secondary feeding disc, the secondary feeding disc conveys materials to the feed opening, and the refining device scrapes the materials uniformly into a certain thickness in the material conveying process;
the fine-adjustment feeding device comprises a scraper which is used for scraping the materials on the secondary feeding disc to the discharge hole;
the material flows through the primary feeding disc, the secondary feeding disc and the feed opening in sequence, and the material is discharged out of the feeding mechanism through the feed opening.
Preferably, the primary feeding device further comprises a baffle plate, and the baffle plate is annular and arranged on the primary feeding disc;
a notch is formed in one side, close to the secondary feeding tray, of the primary feeding tray, and the primary feeding tray and the secondary feeding tray are connected at the notch;
the kick-out set is the cross form, the kick-out set sets up on elementary feed tray, the kick-out set is located the striker plate, the kick-out set is rotatory through first motor drive.
Preferably, the secondary feeding disc is driven to rotate by a second motor, an annular material groove is arranged at the edge of the secondary feeding disc, the annular material groove is positioned below the edge of the kick-out device, and the feed opening is arranged close to and outside the edge of one side of the annular material groove;
the material homogenizing device comprises a height adjusting plate, wherein the height adjusting plate is positioned above the annular trough and used for adjusting the thickness of materials in the annular trough.
Preferably, the scraper is located at the joint of the annular trough and the feed opening and is driven to rotate by a third motor.
Preferably, the feeding mechanism further comprises a frame and a measuring cup, wherein the frame is fixedly provided with a hood and a storage bin, the storage bin penetrates through the hood, and the measuring cup is positioned below the feed opening;
the primary feeding tray is arranged on the rack and is positioned below the storage bin, the storage bin is positioned in the striker plate, an annular feeding gap is reserved between the storage bin and the primary feeding tray, the kick-out device is positioned between the storage bin and the primary feeding tray, and the edge of the kick-out device penetrates through the annular feeding gap;
the secondary feeding tray is arranged on the frame and positioned in the hood.
Preferably, the device also comprises a weighing mechanism, wherein the weighing mechanism is fixedly connected with the feeding mechanism;
the weighing mechanism is including supporting seat, weighing plate, spirit level and electromagnetic force balance sensor, supporting seat and frame fixed connection and junction are provided with the vibration isolator, the weighing plate sets up on the supporting seat, the graduated flask is placed on the weighing plate, spirit level and electromagnetic force balance sensor all set up in the supporting seat.
Preferably, the measuring cup further comprises a material taking mechanism, and the material taking mechanism is used for grabbing and moving the measuring cup;
the material taking mechanism comprises a rotary workbench, a rotary cylinder, a telescopic cylinder, a gripper and a clamping jaw, wherein the rotary cylinder is arranged at the output end of the rotary workbench, the base of the telescopic cylinder is connected with the output end of the rotary cylinder, the gripper is connected with the telescopic end of the telescopic cylinder, the clamping jaw is arranged on the gripper, and the clamping jaw is matched with the measuring cup.
Preferably, the rotating cylinder is a rotating cylinder, and the telescopic cylinder is a telescopic cylinder.
Preferably, the storage bin is connected with the frame through three adjusting screws, and the three adjusting screws can adjust the height of the annular feeding gap between the storage bin and the primary feeding disc.
Preferably, a correlation photoelectric tube is arranged between the storage bin and the primary feeding tray, and the correlation photoelectric tube detects the material accumulation condition.
Has the advantages that:
(1) according to the micro powder feeding device, the feeding mode that the primary feeding device, the secondary feeding device and the fine adjustment feeding device work cooperatively is adopted, materials are uniformly subdivided step by step, powder to be fed can be subdivided into continuous and uniform linear materials, blanking is uninterrupted and uniform linear, and therefore the purpose of high feeding precision is achieved.
(2) According to the powder micro-feeding device, the weighing mechanism adopts the electromagnetic force balance sensor as a core component, and is matched with the level gauge, the supporting seat and the like, so that the accurate weighing of the powder mass can be realized.
(3) According to the powder micro-feeding device, the material taking mechanism is matched with the feeding mechanism and the weighing mechanism, so that the automation of the whole powder micro-feeding process can be realized, and the metering inaccuracy caused by manual intervention is avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of a feeding mechanism and a weighing mechanism in the invention.
Fig. 3 is a schematic view of the internal structure of the feeding mechanism of the present invention.
Fig. 4 is a partial view a of fig. 3.
FIG. 5 is a schematic top view of the primary and secondary feeding devices of the present invention.
Fig. 6 is a schematic view of a material taking mechanism according to the present invention.
In the figure: 1-feeding mechanism, 11-frame, 12-hood, 13-storage bin, 131-adjusting screw, 14-primary feeding device, 141-primary feeding tray, 142-first motor, 143-kickoff, 144-striker plate, 15-secondary feeding device, 151-secondary feeding tray, 1511-annular trough, 152-second motor, 153-refining device, 16-fine-adjustment feeding device, 161-third motor, 162-scraper, 17-measuring cup, 18-annular feeding gap, 19-blanking port, 2-weighing mechanism, 21-support seat, 22-weighing tray, 3-material-taking mechanism, 31-rotary table, 32-rotary cylinder, 33-telescopic cylinder, 34-gripper and 35-clamping jaw.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1-6, a powder micro-feeding device comprises a feeding mechanism 1, wherein the feeding mechanism 1 comprises a primary feeding device 14, a secondary feeding device 15 and a fine-tuning feeding device 16, and the primary feeding device 14 is connected with the fine-tuning feeding device 16 by the secondary feeding device 15;
the primary feeding device 14 comprises a primary feeding tray 141 and a kickoff 143, and the kickoff 143 can be used for kicking the materials on the primary feeding tray 141 to the secondary feeding device 15 on one side;
the secondary feeding device 15 comprises a rotatable secondary feeding disc 151 and a refining device 153, a feed opening 19 is arranged on one side of the secondary feeding disc 151, the secondary feeding disc 151 sends materials to the feed opening 19, and the refining device 153 scrapes the materials evenly into a certain thickness in the material conveying process;
the fine-tuning feeding device 16 comprises a scraper 162 for scraping the material on the secondary feeding tray 151 to the discharge opening 19;
the material flows through the primary feed tray 141, the secondary feed tray 151 and the feed opening 19 in this order, and the material is discharged out of the feeding mechanism 1 through the feed opening 19.
The primary feeding device 14 further comprises a baffle plate 144, and the baffle plate 144 is annular and is arranged on the primary feeding disc 141;
a notch is arranged on one side of the primary feeding tray 141 close to the secondary feeding tray 151, and the primary feeding tray 141 and the secondary feeding tray 151 are connected at the notch;
the kick-out device 143 is in a cross shape, the kick-out device 143 is arranged on the primary feeding tray 141, the kick-out device 143 is located in the material baffle plate, and the kick-out device 143 is driven to rotate by the first motor 142.
The secondary feeding tray 151 is driven to rotate by the second motor 152, an annular trough 1511 is arranged at the edge of the secondary feeding tray 151, the annular trough 1511 is positioned below the edge of the kick-out device 143, and the feed opening 19 is arranged close to and outside one side edge of the annular trough 1511;
the material homogenizing device 153 comprises a height adjusting plate, and the height adjusting plate is located above the annular trough 1511 and used for adjusting the thickness of the material in the annular trough 1511.
The scraper 162 is located at the joint of the annular trough 1511 and the feed opening 19, and the scraper 162 is driven to rotate by the third motor 161.
The feeding mechanism 1 further comprises a frame 11 and a measuring cup 17, wherein a hood 12 and a storage bin 13 are fixedly arranged on the frame 11, the storage bin 13 penetrates through the hood 12, and the measuring cup 17 is positioned below the feed opening 19;
the primary feeding tray 141 is arranged on the frame 11 and is positioned below the storage bin 13, the storage bin 13 is positioned in the striker plate 144, an annular feeding gap 18 is reserved between the storage bin 13 and the primary feeding tray 141, the kick-out device 143 is positioned between the storage bin 13 and the primary feeding tray 141, and the edge of the kick-out device 143 passes through the annular feeding gap 18 and is used for kicking out materials through the feeding gap 18 with a fixed height;
the secondary feed tray 151 is disposed on the frame 11 and within the hood 12.
The automatic feeding device also comprises a weighing mechanism 2, wherein the weighing mechanism 2 is fixedly connected with the feeding mechanism 1;
weighing machine constructs 2 including supporting seat 21, weighing pan 22, spirit level and electromagnetic force balance sensor, supporting seat 21 and 11 fixed connection of frame and junction are provided with the vibration isolation device, weighing pan 22 sets up on supporting seat 21, graduated flask 17 is placed on weighing pan 22, spirit level and electromagnetic force balance sensor all set up in supporting seat 21.
The automatic measuring cup taking device further comprises a material taking mechanism 3, wherein the material taking mechanism 3 is used for grabbing and moving the measuring cup 17;
the material taking mechanism 3 comprises a rotary workbench 31, a rotary cylinder 32, a telescopic cylinder 33, a gripper 34 and a clamping jaw 35, wherein the rotary cylinder 32 is arranged at the output end of the rotary workbench 31, the base of the telescopic cylinder 33 is connected with the output end of the rotary cylinder 32, the gripper 34 is connected with the telescopic end of the telescopic cylinder 33, the clamping jaw 35 is arranged on the gripper 34, and the clamping jaw 35 is matched with the measuring cup 17.
The rotary cylinder 32 is a rotary cylinder, and the telescopic cylinder 33 is a telescopic cylinder.
The storage bin 13 is connected to the frame 11 by three adjusting screws 131, and the three adjusting screws 131 can adjust the height of the annular feeding gap 18 between the storage bin 13 and the primary feeding tray 141.
A correlation photoelectric tube is arranged between the storage bin 13 and the primary feeding tray 141, and the correlation photoelectric tube detects the material accumulation condition.
The working principle of the embodiment is as follows: powder materials are manually poured into the storage bin 13, the first motor 142 of the primary feeding device 14 drives the kick-out device 143 to rotate, and the powder is discharged from the annular feeding gap 18 and falls onto the annular trough 1511 through the rotation of the kick-out device 143; the secondary feeding tray 151 is driven to rotate by a second motor 152, powder is conveyed to the feed opening 19, and the thickness of a material layer can be adjusted by the material homogenizing device 153; the third motor 161 drives the scraper 162 to rotate, and the scraper 162 scrapes off the powder on the annular groove 1511 near the discharge opening 19, so that the powder is discharged and falls into the measuring cup 17 below.
The rotating speed of the scraper 162 can be controlled, so that the speed and the flow rate of the blanking can be controlled. The weighing plate 22 for receiving the measuring cup 17 is connected with the electromagnetic force balance sensor, so that the powder mass in the measuring cup 17 can be accurately weighed in real time, and the speeds of the three feeding devices of the feeding mechanism can be controlled.
When the powder quality fed back by the weighing mechanism 2 meets the precision requirement, the material taking mechanism 3 pours the qualified powder into a preset position; if the weighing mechanism 2 feeds back that the powder quality exceeds the precision requirement allowed error, the material taking mechanism 3 pours unqualified powder into a recovery position. The clamping jaw 35 is arranged on the gripper 34, and when the gripper 34 acts, the clamping jaw 35 is driven to open and close, so that the measuring cup 17 is gripped; the telescopic cylinder 33 is connected with the hand grip 34, and when the telescopic cylinder 33 acts, the hand grip 34 and the clamping jaw 35 are driven to act, so that the hand grip is stretched; the rotating cylinder 32 and the telescopic cylinder 33 are installed together, and the telescopic cylinder 33 is driven to rotate together, so that the grip 34 is turned over and dumped; the rotary worktable 31 is used for completing the grabbing and dumping processing at different positions by matching with the gripper 34.
According to the micro powder feeding device, a feeding mode that the primary feeding device 14, the secondary feeding device 15 and the fine adjustment feeding device 16 work cooperatively is adopted, materials are uniformly subdivided step by step, powder to be fed can be subdivided into continuous and uniform linear materials, blanking is uninterrupted and uniform linear, and therefore the purpose of high feeding precision is achieved.
According to the powder micro-feeding device, the weighing mechanism 2 adopts the electromagnetic force balance sensor as a core component, and is matched with the level gauge, the supporting seat 21 and the like, so that the accurate weighing of the powder mass can be realized.
According to the micro powder feeding device, the material taking mechanism 3 is matched with the feeding mechanism 1 and the weighing mechanism 2, so that the automation of the whole micro powder feeding process can be realized, and inaccurate metering caused by manual intervention is avoided.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the above-described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent alterations and modifications are intended to be included within the scope of the invention, without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides a powder trace feed device, is including feed mechanism (1), its characterized in that: the feeding mechanism (1) comprises a primary feeding device (14), a secondary feeding device (15) and a fine-adjustment feeding device (16), wherein the primary feeding device (14) is connected with the fine-adjustment feeding device (16) through the secondary feeding device (15);
the primary feeding device (14) comprises a primary feeding tray (141) and a kickoff (143), and the kickoff (143) can be used for kicking materials on the primary feeding tray (141) to the secondary feeding device (15) on one side;
the secondary feeding device (15) comprises a rotatable secondary feeding disc (151) and a refining device (153), a feed opening (19) is formed in one side of the secondary feeding disc (151), the secondary feeding disc (151) conveys materials to the feed opening (19), and the refining device (153) scrapes the materials uniformly to a certain thickness in the material conveying process;
the fine-tuning feeding device (16) comprises a scraper (162) which is used for scraping the materials on the secondary feeding disc (151) to the feed opening (19);
the materials sequentially flow through the primary feeding disc (141), the secondary feeding disc (151) and the feed opening (19), and the materials are discharged out of the feeding mechanism (1) through the feed opening (19);
the primary feeding device (14) further comprises a baffle plate (144), and the baffle plate (144) is annular and arranged on the primary feeding disc (141);
a notch is formed in one side, close to the secondary feeding tray (151), of the primary feeding tray (141), and the primary feeding tray (141) and the secondary feeding tray (151) are connected at the notch;
the kick-out device (143) is in a cross shape, the kick-out device (143) is arranged on the primary feeding tray (141), the kick-out device (143) is positioned in the material baffle plate, and the kick-out device (143) is driven to rotate by a first motor (142);
the secondary feeding tray (151) is driven to rotate by a second motor (152), an annular trough (1511) is arranged at the edge of the secondary feeding tray (151), the annular trough (1511) is positioned below the edge of the kick-out device (143), and the discharge opening (19) is closely arranged outside the edge of one side of the annular trough (1511);
the material homogenizing device (153) comprises a height adjusting plate, and the height adjusting plate is positioned above the annular trough (1511) and is used for adjusting the thickness of the material in the annular trough (1511);
the scraper (162) is positioned at the joint of the annular trough (1511) and the feed opening (19), and the scraper (162) is driven to rotate by a third motor (161);
the feeding mechanism (1) further comprises a rack (11) and a measuring cup (17), wherein a hood (12) and a storage bin (13) are fixedly arranged on the rack (11), the storage bin (13) penetrates through the hood (12), and the measuring cup (17) is positioned below the feed opening (19);
the primary feeding tray (141) is arranged on the rack (11) and is positioned below the storage bin (13), the storage bin (13) is positioned in the material baffle plate (144), an annular feeding gap (18) is reserved between the storage bin (13) and the primary feeding tray (141), the kick-out device (143) is positioned between the storage bin (13) and the primary feeding tray (141), and the edge of the kick-out device (143) penetrates through the annular feeding gap (18);
the secondary feeding tray (151) is arranged on the rack (11) and is positioned in the hood (12);
the automatic feeding device is characterized by also comprising a weighing mechanism (2), wherein the weighing mechanism (2) is fixedly connected with the feeding mechanism (1);
weighing mechanism (2) is including supporting seat (21), weighing pan (22), spirit level and electromagnetic force balance sensor, supporting seat (21) and frame (11) fixed connection and junction are provided with the vibration isolator, weighing pan (22) set up on supporting seat (21), graduated flask (17) are placed on weighing pan (22), spirit level and electromagnetic force balance sensor all set up in supporting seat (21), and weighing pan (22) and the electromagnetic force balance sensor of accepting graduated flask (17) link to each other, and the powder quality in the measurable flask (17) of ability real-time accuracy is weighed to the speed of the three feeding device of control feed mechanism.
2. A powder micro-feeding device according to claim 1, wherein: the automatic measuring cup taking device is characterized by further comprising a taking mechanism (3), wherein the taking mechanism (3) is used for grabbing and moving the measuring cup (17);
the material taking mechanism (3) comprises a rotary workbench (31), a rotary cylinder (32), a telescopic cylinder (33), a hand grip (34) and a clamping jaw (35), wherein the rotary cylinder (32) is arranged at the output end of the rotary workbench (31), the base of the telescopic cylinder (33) is connected with the output end of the rotary cylinder (32), the hand grip (34) is connected with the telescopic end of the telescopic cylinder (33), the clamping jaw (35) is arranged on the hand grip (34), and the clamping jaw (35) is matched with the measuring cup (17).
3. A powder micro-feeding device as claimed in claim 2, wherein: the rotary cylinder (32) is a rotary cylinder air cylinder, and the telescopic cylinder (33) is a telescopic air cylinder.
4. A powder micro-feeding device according to claim 1, wherein: the storage bin (13) is connected with the rack (11) through three adjusting screws (131), and the three adjusting screws (131) can adjust the height of an annular feeding gap (18) between the storage bin (13) and the primary feeding disc (141).
5. A powder micro-feeding device according to claim 1, wherein: a correlation photoelectric tube is arranged between the storage bin (13) and the primary feeding tray (141), and the correlation photoelectric tube detects the material accumulation condition.
CN201810780558.4A 2018-07-17 2018-07-17 Powder trace feeding device Active CN109094827B (en)

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Application Number Priority Date Filing Date Title
CN201810780558.4A CN109094827B (en) 2018-07-17 2018-07-17 Powder trace feeding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810780558.4A CN109094827B (en) 2018-07-17 2018-07-17 Powder trace feeding device

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CN109094827B true CN109094827B (en) 2021-04-30

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CN110497515B (en) * 2019-08-21 2021-01-29 李知凡 Inorganic board is cloth machine and inorganic board production line for production line

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KR100669256B1 (en) * 2005-05-23 2007-01-16 주식회사 화인테크닉스 Quantitative powder suppling device and Material suppling apparatus having the powder suppling device and Method of quantitative suppling the powder
CN102519827B (en) * 2011-12-22 2014-06-18 长沙开元仪器股份有限公司 Intelligent industrial analyzer
CN104943881A (en) * 2015-05-12 2015-09-30 邓启碧 Mechanical hand metering, filling and packaging device
CN205826117U (en) * 2016-07-25 2016-12-21 李明昊 The small-sized balance of weighing that a kind of laboratory is special
CN107200230A (en) * 2017-07-19 2017-09-26 南昌大学 A kind of rotating disc type continuous micro powder transfer device
CN207132949U (en) * 2017-09-18 2018-03-23 广东科达洁能股份有限公司 Fast quantification weighing device and the system for including fast quantification weighing device

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