CN107323703B - Dustless powder filling device and method - Google Patents
Dustless powder filling device and method Download PDFInfo
- Publication number
- CN107323703B CN107323703B CN201710502927.9A CN201710502927A CN107323703B CN 107323703 B CN107323703 B CN 107323703B CN 201710502927 A CN201710502927 A CN 201710502927A CN 107323703 B CN107323703 B CN 107323703B
- Authority
- CN
- China
- Prior art keywords
- powder
- filling
- gathering room
- plate
- room
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging 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
- B65B1/28—Controlling escape of air or dust from containers or receptacles during filling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging 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
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Basic Packing Technique (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The present invention provides a kind of dustless powder filling device and methods, comprising: shell (18), powder-suction structure, transport mechanism, filling mechanism, weighing mechanism and controller (24)；The powder of the powder-suction structure suction is conveyed to filling mechanism via transport mechanism, and the controller (24) controls the powder filling amount of filling mechanism according to the weighing result of parameter preset or the Weighing mechanism；Wherein, space in the shell (18) includes: powder gathering room (28) and filling room (29), the upper space of the filling mechanism is powder gathering room (28), and the filling mechanism lower space is filling room (29).The present invention can guarantee powder filling process without dust pollution, and reasonable integral structure, weighing precision is high, and it is filling to realize accurately powder automation.
Description
Technical field
The present invention relates to Industrial Engineering Technology fields, and in particular, to dustless powder filling device and method.
Background technique
With the development of modern industry, powder filling technique is widely distributed in the fields such as chemical industry, manufacture, but consequently also band
Carried out following two problem: 1) plus when powder, is also easy to produce a large amount of dust；2), it is difficult to the weight of the filling when institute powder filling body of control.Mesh
Before, powder filling device on the market mostly actively to fill based on powder, needs to be weighed repeatedly when filling, accuracy is not high, and whole
Serious dust pollution is easily caused in a pouring process.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of dustless powder filling device and methods.
In a first aspect, the embodiment of the present invention provides a kind of dustless powder filling device, comprising: shell, powder-suction structure, transmission
Mechanism, filling mechanism, weighing mechanism and controller；The powder of the powder-suction structure suction is conveyed to filling via transport mechanism
Mechanism, the controller control the powder filling amount of filling mechanism according to the weighing result of parameter preset or the Weighing mechanism；
Wherein, the space in the shell includes: powder gathering room and filling room, and the upper space of the filling mechanism is
Powder gathering room, the filling mechanism lower space are filling room.
Optionally, the powder-suction structure includes: to inhale powder rifle, inhale powder switch, hose, air inlet filter, blower, outlet air filtering
Piece, air outlet plate, described one end for inhaling powder rifle are connected to powder gathering room by hose；The blower is mounted on powder by fan supporter
On the demarcation plate for expecting gathering room；The air inlet direction of the blower is provided with air inlet filter, the air-out direction setting of the blower
There is outlet air filter；Air outlet plate is additionally provided on powder gathering room side wall corresponding to the air-out direction of the blower；
When blower works, the muzzle for inhaling powder rifle generates negative pressure, and powder successively enters powder via suction powder rifle, hose and converges
Poly- room.
Optionally, on inhaling powder rifle, the suction powder switch is electrically connected with the controller, described for the suction powder switch setting
Controller controls the suction powder switch and carries out opening and closing operation；
Card slot is provided on the lateral wall of the shell, the card slot can be used in fixed suction powder rifle.
Optionally, the transport mechanism includes: motor, belt, driver, closed transfer plate and dust cover, described
Motor is cooperatively connected by belt and driver, and the driver drives closed transfer plate movement；The closed transfer plate
On be provided with multiple spring baffles, the motor and the driver are arranged in dust cover.
Optionally, the distance between the closed transfer plate and powder gathering room demarcation plate are less than spring baffle and are hit by a bullet
The height of spring under natural conditions.
Optionally, the powder gathering room includes: the upper semi-cavity of powder gathering room and the lower semi-cavity of powder gathering room,
It is sealed off between the upper semi-cavity of the powder gathering room and the lower semi-cavity of powder gathering room；Wherein:
Enter the wind filter, powder gathering room demarcation plate, closed transfer plate, the upper surface of dust cover, shell side wall with
And the roof of shell surrounds the upper semi-cavity of the powder gathering room；
Lower end surface, closed transfer plate, the lower end surface of dust cover, filling mechanism and the shell of powder gathering room demarcation plate
Side wall surround the lower semi-cavity of the powder gathering room；On the side wall of shell where the lower semi-cavity of the powder gathering room
It is provided with exhaust outlet.
Optionally, the filling mechanism includes: conical collector, and the lower end of the conical collector is provided with meal outlet,
Meal outlet control switch, switch plate, scalable filling interface are installed at the meal outlet；The meal outlet control switch is opened
Piece is closed to be arranged in the scalable filling interface internal；The controller controls opening and closing degree and the control institute of the switch plate
State the length of scalable filling interface.
Optionally, the Weighing mechanism includes: electronic scale, fixed bracket, and the fixed bracket setting is much of in electronics
Side, the fixed bracket are used to tank body being fastened on electronic scale.
Optionally, it is arranged fluted on the electronic scale, several groups spring is installed in the groove, the one of the spring
End is connect with the groove walls of electronic scale, and the other end of the spring is connected with fixed bracket；It is provided with expansion plate on the spring,
The side of the expansion plate is connected with the groove edge of electronic scale, and the other side of the expansion plate is connected with fixed bracket.
Second aspect, the embodiment of the present invention provide any in a kind of dustless powder filling method, including application first aspect
Dustless powder filling device described in one carries out powder filling.
The present invention is reduced the dust pollution in pouring process by setting powder-suction structure, is realized using controller to entire
The control of pouring process controls filling mechanism and powder-suction structure according to the weighing result of preset parameter or weighing mechanism,
To guarantee powder filling process without dust pollution, weighing precision is high, and it is filling to realize accurately powder automation.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of dustless powder filling device provided by the invention；
In figure:
1- inhales powder rifle；
2- card slot；
3- inhales powder switch；
4- hose；
5- enters the wind filter；
6- blower；
7- outlet air filter；
8- air outlet plate；
9- fan supporter；
10- motor；
11- belt；
12- driver；
The closed transfer plate of 13-；
14- spring baffle；
15- meal outlet control switch；
16- switch plate；
The scalable filling interface of 17-；
18- shell；
19- tank body；
20- fixes bracket；
22- expansion plate；
23- electronic scale；
24- controller；
25- exhaust outlet
The upper semi-cavity of 26- powder gathering room；
The lower semi-cavity of 27- powder gathering room；
28- powder gathering room；
The filling room 29-.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
As shown in Figure 1, the embodiment of the present invention provides a kind of dustless powder filling device, comprising: shell 18, powder-suction structure,
Transport mechanism, filling mechanism, weighing mechanism and controller 24；The powder of the powder-suction structure suction is conveyed via transport mechanism
To filling mechanism, the controller 24 controls filling mechanism according to the weighing result of parameter preset or the Weighing mechanism
Powder filling amount；
Wherein, the space in the shell 18 includes: powder gathering room and filling room, the upper space of the filling mechanism
For powder gathering room, the filling mechanism lower space is filling room.
The present embodiment reduces the dust pollution in pouring process by setting powder-suction structure, is realized using controller to entire
The control of pouring process controls filling mechanism and powder-suction structure according to the weighing result of preset parameter or weighing mechanism,
To guarantee powder filling process without dust pollution, weighing precision is high, and it is filling to realize accurately powder automation.
Specifically, the controller 24 can be programmable controller, may include: multiple sensors, switch block, shows
Show device, shown in display weighing mechanism weighing result and preset parameter.When the value of weighing result connects with preset parameter
When close, the filling filling amount of filling mechanism is adjusted.When weighing result reaches parameter preset, controller is closed by switch block to be inhaled
Powder mechanism and filling mechanism.
The powder-suction structure includes: to inhale powder rifle 1, inhale powder switch 3, hose 4, air inlet filter 5, blower 6, outlet air filter
7, air outlet plate 8, described one end for inhaling powder rifle 1 are connected to powder gathering room 28 by hose 4；The blower 6 is pacified by fan supporter 9
On the demarcation plate of powder gathering room 28；The air inlet direction of the blower 6 is provided with air inlet filter 5, and the blower 6 goes out
Wind direction is provided with outlet air filter 7；It is additionally provided on 28 side wall of powder gathering room corresponding to the air-out direction of the blower 6
Air outlet plate 8；When blower 6 works, the muzzle for inhaling powder rifle 1 generates negative pressure, and powder successively enters powder via suction powder rifle 1, hose 4
Expect gathering room 28.
The setting of suction powder switch 3 is on inhaling powder rifle 1, and the suction powder switch 3 is electrically connected with the controller 24, the control
Device 24 processed controls the suction powder switch 3 and carries out opening and closing operation；
Card slot 2 is provided on the lateral wall of the shell 18, the card slot 2 can be used in fixed suction powder rifle 1.
The transport mechanism includes: motor 10, belt 11, driver 12, closed transfer plate 13 and dust cover, described
Motor 10 is cooperatively connected by belt 11 and driver 12, and the driver 12 drives closed transfer plate 13 to move；The envelope
Multiple spring baffles 14 are provided on enclosed transfer plate 13, the motor 10 and the driver are arranged in dust cover.
The distance between the closed transfer plate 13 and powder gathering room demarcation plate are less than spring in spring baffle 14
Height under natural conditions.
The powder gathering room includes: the upper semi-cavity 26 of powder gathering room and the lower semi-cavity 27 of powder gathering room, institute
It states and is sealed off between the upper semi-cavity 26 of powder gathering room and the lower semi-cavity 27 of powder gathering room；Wherein: air inlet filter
5, the roof of powder gathering room demarcation plate, closed transfer plate 13, the upper surface of dust cover, the side wall of shell 18 and shell 18
Surround the upper semi-cavity 26 of the powder gathering room；It is the lower end surface of 28 demarcation plate of powder gathering room, closed transfer plate 13, dust-proof
The side wall of the lower end surface of cover, filling mechanism and shell 18 surrounds the lower semi-cavity 27 of the powder gathering room；The powder converges
Exhaust outlet 25 is provided on the side wall of shell 18 where the lower semi-cavity 27 of poly- room.
The filling mechanism includes: conical collector, and the lower end of the conical collector is provided with meal outlet, the powder out
Meal outlet control switch 15, switch plate 16, scalable filling interface 17 are installed at mouthful；The meal outlet control switch 15 is opened
Piece 16 is closed to be arranged inside the scalable filling interface 17；The controller 24 control the opening and closing degree of the switch plate 16 with
And the length of the control scalable filling interface 17.Different height is adapted to by adjusting the length of scalable filling interface 17
Tank body.
The upper semi-cavity 26 of powder gathering room and the lower semi-cavity 27 of powder gathering room are divided into closed by transport mechanism
Two parts, two-part powder is by spring baffle 14 and closed transfer plate 13 by the upper semi-cavity of powder gathering room
In the powder carry to the conical collector of the lower semi-cavity 27 of powder gathering room of 26 suctions.
Further, the meal outlet control switch 15 is dual-switch, is divided to two up and down, has filter disc in exhaust outlet, both
It can guarantee atmospheric pressure, dust leakage can be prevented by having.
The Weighing mechanism includes: electronic scale 23, fixed bracket 20, and the upper of electronic scale 23 is arranged in the fixed bracket
Side, the fixed bracket 20 are used to tank body being fastened on electronic scale 23.
Be arranged fluted on the electronic scale 23, several groups spring be installed in the groove, one end of the spring with
The groove walls of electronic scale 23 connect, and the other end of the spring is connected with fixed bracket 20；Expansion plate is provided on the spring
22, the side of the expansion plate is connected with the groove edge of electronic scale 23, the other side of the expansion plate 22 and fixed bracket 20
It is connected.
When using device in the present invention, the fixation bracket 20 on electronic scale 23 is opened by controller 24 first, is put into
After good tank body, tank body is fixed, and records tank body quality at this time using controller 24, resetting needs addition powder quality.So
The suction powder switch 3 for inhaling powder rifle 1, the operating of blower 6 are opened with controller 24 afterwards, to make the semi-cavity in powder gathering room of blower 6
26, hose 4, inhale powder rifle 1 in cause negative pressure, powder is aspirated.The powder being sucked enters taper after transport mechanism
In collector, and by scalable filling interface 17 carry out it is filling.When controller 24 shows that quality reaches preset value, controller
24 successively close meal outlet control switch 15, blower 6, inhale powder switch 3 and motor 10, complete filling.
The embodiment of the present invention provides a kind of dustless powder filling method, including application above-mentioned dustless powder filling device into
Row powder filling.
One skilled in the art will appreciate that in addition to realizing system provided by the invention in a manner of pure computer readable program code
And its other than each device, completely can by by method and step carry out programming in logic come so that system provided by the invention and its
Each device is in the form of logic gate, switch, specific integrated circuit, programmable logic controller (PLC) and embedded microcontroller etc.
To realize identical function.So system provided by the invention and its every device are considered a kind of hardware component, and it is right
The device for realizing various functions for including in it can also be considered as the structure in hardware component；It can also will be for realizing each
The device of kind function is considered as either the software module of implementation method can be the structure in hardware component again.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (8)
1. a kind of dustless powder filling device characterized by comprising shell (18), powder-suction structure, transport mechanism, bottle placer
Structure, weighing mechanism and controller (24)；The powder of the powder-suction structure suction is conveyed to filling mechanism via transport mechanism, institute
State controller (24) and control according to the weighing result of parameter preset or the weighing mechanism powder filling amount of filling mechanism；It is described
Weighing mechanism includes: electronic scale (23), fixed bracket (20), and the fixed bracket setting is described in the top of electronic scale (23)
Fixed bracket (20) are used to tank body being fastened on electronic scale (23)；
Wherein, the space in the shell (18) includes: powder gathering room (28) and filling room (29), the filling mechanism it is upper
Side space is powder gathering room (28), and the filling mechanism lower space is filling room (29)；
The powder-suction structure includes: to inhale powder rifle (1), inhale powder switch (3), hose (4), air inlet filter (5), blower (6), outlet air
Filter (7), air outlet plate (8), described one end for inhaling powder rifle (1) pass through hose (4) connection powder gathering room (28)；The blower
(6) it is mounted on the demarcation plate of powder gathering room (28) by fan supporter (9)；The air inlet direction of the blower (6) is provided with
It enters the wind filter (5), the air-out direction of the blower (6) is provided with outlet air filter (7)；The air-out direction of the blower (6)
Air outlet plate (8) are additionally provided on corresponding powder gathering room (28) side wall；
Blower (6) work when, it is described inhale powder rifle (1) muzzle generate negative pressure, powder successively via inhale powder rifle (1), hose (4) into
Enter powder gathering room (28).
2. dustless powder filling device according to claim 1, which is characterized in that suction powder switch (3) setting is being inhaled
On powder rifle (1), the suction powder switch (3) is electrically connected with the controller (24), and the controller (24) controls the suction powder and opens
It closes (3) and carries out opening and closing operation；
It is provided with card slot (2) on the lateral wall of the shell (18), the card slot (2) can be used in fixed suction powder rifle (1).
3. dustless powder filling device according to claim 1, which is characterized in that the transport mechanism includes: motor
(10), belt (11), driver (12), closed transfer plate (13) and dust cover, the motor (10) pass through belt (11)
It is cooperatively connected with driver (12), the driver (12) drives closed transfer plate (13) movement；The closed transfer plate
(13) multiple spring baffles (14) are provided on, the motor (10) and the driver are arranged in dust cover.
4. dustless powder filling device according to claim 3, which is characterized in that the closed transfer plate (13) and powder
Expect that the distance between gathering room (28) demarcation plate is less than the height of spring under natural conditions in spring baffle (14).
5. dustless powder filling device according to claim 3, which is characterized in that the powder gathering room (28) includes:
The upper semi-cavity (26) of powder gathering room and the lower semi-cavity (27) of powder gathering room, the upper semi-cavity of the powder gathering room
(26) it is sealed off between the lower semi-cavity (27) of powder gathering room；Wherein:
Enter the wind filter (5), powder gathering room demarcation plate, closed transfer plate (13), the upper surface of dust cover, shell (18)
The roof of side wall and shell (18) surrounds the upper semi-cavity (26) of the powder gathering room；
Lower end surface, closed transfer plate (13), the lower end surface of dust cover, filling mechanism and the shell of powder gathering room demarcation plate
(18) side wall surrounds the lower semi-cavity (27) of the powder gathering room；Where the lower semi-cavity (27) of the powder gathering room
Exhaust outlet (25) are provided on the side wall of shell (18).
6. dustless powder filling device according to claim 1, which is characterized in that the filling mechanism includes: that taper is received
Storage, the lower end of the conical collector are provided with meal outlet, and meal outlet control switch (15) is equipped at the meal outlet, is opened
Close piece (16), scalable filling interface (17)；The meal outlet control switch (15), switch plate (16) are arranged described scalable
Filling interface (17) is internal；The controller (24) controls the opening and closing degree of the switch plate (16) and controls described scalable
The length of filling interface (17).
7. dustless powder filling device according to claim 1, which is characterized in that be provided on the electronic scale (23) recessed
Slot is equipped with several groups spring in the groove, and one end of the spring is connect with the groove walls of electronic scale (23), the spring
The other end be connected with fixed bracket (20)；Expansion plate (22), the side of the expansion plate and electronics are provided on the spring
The groove edge of (23) is claimed to be connected, the other side of the expansion plate (22) is connected with fixed bracket (20).
8. a kind of dustless powder filling method, which is characterized in that including applying the described in any item dustless powders of claim 1-7
Filling apparatus carries out powder filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502927.9A CN107323703B (en) | 2017-06-27 | 2017-06-27 | Dustless powder filling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502927.9A CN107323703B (en) | 2017-06-27 | 2017-06-27 | Dustless powder filling device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107323703A CN107323703A (en) | 2017-11-07 |
| CN107323703B true CN107323703B (en) | 2019-08-30 |
Family
ID=60197590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710502927.9A Active CN107323703B (en) | 2017-06-27 | 2017-06-27 | Dustless powder filling device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107323703B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645891A (en) * | 2018-06-11 | 2018-10-12 | 上海应用技术大学 | Dust combustion, datonation-inhibition experiment test device and test method in a kind of circular pipe |
| CN109625352A (en) * | 2018-10-25 | 2019-04-16 | 广州市宏德欣包装设备有限公司 | Powder and the elongated bag filling machine of little particulate object |
| CN111907796B (en) * | 2018-11-05 | 2021-08-17 | 戴志刚 | A guide device for seed packing |
| CN113115935B (en) * | 2021-04-26 | 2023-03-03 | 湖南康琪壹佰生物科技有限公司 | Food for regulating metabolism of organism and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032481A2 (en) * | 1980-01-11 | 1981-07-22 | Firma M. Jeger | Device for controlling the quantity of fluent solid material |
| CN202244122U (en) * | 2011-07-01 | 2012-05-30 | 石增明 | Closed case for powdered material packaging machine |
| CN203244713U (en) * | 2013-04-28 | 2013-10-23 | 台州市路桥松正自动化设备厂 | High-precision fine filling device of automatic dry powder filling device |
| CN204727060U (en) * | 2015-07-03 | 2015-10-28 | 广东工业大学 | Coin feed arrangement |
| CN205525041U (en) * | 2016-02-01 | 2016-08-31 | 芜湖市四捍粉末涂料有限公司 | Powder coating's receipts material title material device |
| CN106742113A (en) * | 2016-11-28 | 2017-05-31 | 杨自标 | A kind of application of homemade vacuum feeding system |
| CN206215082U (en) * | 2016-11-07 | 2017-06-06 | 广东雄杰建材有限公司 | A kind of material mixing conveying appliance for quartzite slate manufacture |
-
2017
- 2017-06-27 CN CN201710502927.9A patent/CN107323703B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032481A2 (en) * | 1980-01-11 | 1981-07-22 | Firma M. Jeger | Device for controlling the quantity of fluent solid material |
| CN202244122U (en) * | 2011-07-01 | 2012-05-30 | 石增明 | Closed case for powdered material packaging machine |
| CN203244713U (en) * | 2013-04-28 | 2013-10-23 | 台州市路桥松正自动化设备厂 | High-precision fine filling device of automatic dry powder filling device |
| CN204727060U (en) * | 2015-07-03 | 2015-10-28 | 广东工业大学 | Coin feed arrangement |
| CN205525041U (en) * | 2016-02-01 | 2016-08-31 | 芜湖市四捍粉末涂料有限公司 | Powder coating's receipts material title material device |
| CN206215082U (en) * | 2016-11-07 | 2017-06-06 | 广东雄杰建材有限公司 | A kind of material mixing conveying appliance for quartzite slate manufacture |
| CN106742113A (en) * | 2016-11-28 | 2017-05-31 | 杨自标 | A kind of application of homemade vacuum feeding system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107323703A (en) | 2017-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107323703B (en) | Dustless powder filling device and method | |
| CN202012998U (en) | Air-supplementing type ventilation cabinet device | |
| CN206902130U (en) | A kind of anti-pollution instrument for extracting nucleic acid | |
| CN202146732U (en) | Automatic feeding and stirring device | |
| CN104176286A (en) | Vacuum degassing packing machine for ultrafine powder | |
| CN103359489B (en) | The uninterrupted vacuum powder-supply system of twin-bucket and using method thereof | |
| CN204193693U (en) | Organic exhaust gas recycling and processing device | |
| CN211643886U (en) | Negative pressure feeding system | |
| CN210664948U (en) | Fuel tank cover performance test box | |
| CN203862659U (en) | Device for controlling constant air speed of surface of laboratory ventilation cabinet | |
| CN205953517U (en) | Novel modularization nitrogen generator | |
| CN203549001U (en) | Four-way vacuum valve | |
| CN209777756U (en) | Synchronous dust recovery device of lithium electric pot system | |
| CN210136113U (en) | Fixed pollution source comprehensive sampling device | |
| CN206634753U (en) | A kind of suction feeder backstop structure | |
| CN208979879U (en) | Continuous vacuum feeder | |
| CN209005508U (en) | A kind of combined padding and drying system exhausting environmental protection device | |
| CN208345307U (en) | A kind of automatic material-absorbing weighing vacuum charging device | |
| CN204903245U (en) | Linear type smoking machine flue gas trap strorage device | |
| CN218559230U (en) | AFT vacuum filling system | |
| CN206190471U (en) | Sealed workshop vacuum pump pneumatic circuit of gluing | |
| CN209447777U (en) | A kind of automatic arranging machine two-layer equation chip pick-and-place sucker structure | |
| CN205042295U (en) | Dust processing equipment | |
| CN204702213U (en) | A kind of environment-friendly type high speed hermetic type delivery system | |
| CN204348349U (en) | Radon chamber toxic emission automaton |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |