CN208449151U - A kind of water paint proportioner - Google Patents

A kind of water paint proportioner Download PDF

Info

Publication number
CN208449151U
CN208449151U CN201820929524.2U CN201820929524U CN208449151U CN 208449151 U CN208449151 U CN 208449151U CN 201820929524 U CN201820929524 U CN 201820929524U CN 208449151 U CN208449151 U CN 208449151U
Authority
CN
China
Prior art keywords
filter screen
batcher
water paint
cabinet
rose box
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.)
Expired - Fee Related
Application number
CN201820929524.2U
Other languages
Chinese (zh)
Inventor
罗晓京
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Skyline Zero And One Coating Technology Co Ltd
Original Assignee
Guangdong Skyline Zero And One Coating Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Skyline Zero And One Coating Technology Co Ltd filed Critical Guangdong Skyline Zero And One Coating Technology Co Ltd
Priority to CN201820929524.2U priority Critical patent/CN208449151U/en
Application granted granted Critical
Publication of CN208449151U publication Critical patent/CN208449151U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

The utility model discloses a kind of water paint proportioner, including frame body, Rose Box and batcher, the frame body includes portal frame and support base, 51 single-chip microcontrollers for being equipped with rotary electric machine in the middle part of the portal frame and being connected with rotary electric machine;It there are two the Rose Box is total, and is separately positioned on Rose Box support base, each Rose Box includes cylindrical box, case lid, the first filter screen, the second filter screen, shaft and amount liquid bucket;The batcher is located between two Rose Boxes below portal frame, stirring motor is equipped at the top of batcher, two sides are respectively provided with the ingredient import being connected to inlet tube at the top of batcher, the bull stick that batcher top is connected with stirring motor is passed through equipped with upper end in batcher, bull stick is equipped with stirring rod, and stirring rod is in shift to install on bull stick.The proportioner structure is simple, and rationally, high degree of automation, each raw material impurity content is few, accurate measurement, and the coating quality that ingredient obtains is good for design.

Description

A kind of water paint proportioner
Technical field
The utility model relates to coating technical field of processing equipment, and in particular to a kind of water paint proportioner.
Background technique
Material-compound tank is that have that temperature automatically controlled, heat preservation, agitating function can be heated, and be widely used in eating (cream) product, pharmacy, day The industries such as change, beverage, grease, chemical industry, pigment as intermediate buffering, liquid storage, stirring, allotment equipment.
In the prior art, the production of coating be made of mostly by various raw materials carry out physical compounding, method be by Various raw material pounds claim required for amount after put into blending tank in, then start blender be stirred uniformly, static one Filling finished product after the section time.Usually had the following deficiencies: using the production technology first is that each raw material accurate measurement rate it is not high lack It falls into, and then influences the stability of product quality;Second is that containing impurity in each raw material, the uniformity of mixed raw material will affect, Reduce product hierarchy;Third is that coating material temperature can increase when stirring, too fast stirring will lead to coating and react, and then influence To the performance of generation.
Utility model content
Purpose of the utility model is to solve above-mentioned technical problems, provide a kind of water paint proportioner, this is matched Expect that apparatus structure is simple, rationally, high degree of automation, each raw material impurity content is few, accurate measurement, the coating that ingredient obtains for design Quality is good.
To achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of water paint proportioner, including frame body, Rose Box and batcher, the frame body include portal frame and right Claim the Rose Box support bases of portal frame two sides is arranged in, rotary electric machine is equipped in the middle part of the portal frame and is connected with rotary electric machine 51 single-chip microcontrollers;It there are two the Rose Box is total, and is separately positioned on Rose Box support base, each Rose Box includes cylindrical shape Cabinet, case lid, the first filter screen, the second filter screen, shaft and amount liquid bucket;The cabinet is placed on support base, the case lid lid It closes above cabinet;Second filter screen is rounded and lower part is arranged in cabinet, is equipped in the middle part of the second filter screen and 51 lists The connected pressure sensor of piece machine;First filter screen is tapered, and the first filtering network edge is slidably connected with cabinet top edge, It is fixedly connected in the middle part of first filter screen with shaft lower end, the shaft upper end is connected behind case lid middle part with driven turntable, institute Driven turntable is stated to be connected by hinge with rotary electric machine output end and rotate under rotary electric machine drive;The case lid upper side Face is equipped with feed inlet, and feed inlet is equipped with the first inlet valve being connected with 51 single-chip microcontrollers;Middle part is equipped with discharging below the cabinet Pipe, discharge nozzle movable end are connected to amount liquid bucket, and discharge nozzle is equipped with the outlet valve being connected with 51 single-chip microcontrollers;Below the amount liquid bucket It is tilted towards batcher direction, amount liquid barrel side face is equipped with bar shaped observation panel, which is equipped with volume markings, measures liquid bucket lowest point Equipped with inlet tube, inlet tube is equipped with the second inlet valve being connected with 51 single-chip microcontrollers;The batcher is located at below portal frame Between two Rose Boxes, the stirring motor being connected with 51 single-chip microcontrollers is equipped at the top of batcher, two sides are respectively provided with one at the top of batcher A ingredient import being connected to inlet tube, batcher is interior to pass through the bull stick that batcher top is connected with stirring motor equipped with upper end, turns Bar is equipped with stirring rod, and stirring rod is in shift to install on bull stick;The temperature being connected with 51 single-chip microcontrollers is additionally provided in the batcher Spend sensor.
Specifically, the cabinet top edge is equipped with annular groove, and the first filtering network edge lower section is equipped with and sliding slot The ring slider matched, be slidably connected realization and the sliding of the cabinet company that the first filter screen passes through annular groove and ring slider It connects.
Specifically, connection sheet and threaded post are equipped in the middle part of first filter screen, the connection sheet is located at the first filtering Net middle part lower section, the threaded post lower end passes through to be connected in the middle part of the first filter screen and connection sheet, threaded post upper end and shaft lower end It is threadedly coupled.
Preferably, the amount liquid bucket is fixed on portal frame by annular fixing frame.
Specifically, several reinforcing ribs are uniformly provided on first filter screen, every reinforcing rib is with the first filter screen Middle part and the first filtering network edge are starting point.
More specifically, the second filtering network edge is symmetrically arranged with two and disengages it from mentioning for cabinet convenient for being lifted Ear.
Preferably, bearing connects between the shaft and case lid.
Preferably, the aperture of first filter screen is greater than the aperture of the second filter screen.
Preferably, discharge gate is equipped with below the batcher side.
Compared with prior art, the utility model has the following beneficial effects:
(1) the utility model structure is simple, and rationally, entirety is an integrating device, but each section again can be direct for design Disassembly is used as individual device, ingenious in design.The device adequately can be filtered removal of impurities and metering to each raw material, and right It is stirred process and carries out temperature control, the final quality for improving ingredient product.
(2) Rose Box of the utility model its filter effect can be effectively improved by structure of two layers of strainer, and due to the The rotation of one filter screen filters out raw material under the centrifugal filtration effect of the first filter screen by most large granular impurity, And the raw material with certain speed filtered out can quickly pass through the second filter screen, therefore, can effectively avoid due to The case where blocking filter opening caused by viscosity is larger, occurs, and is greatly improved filter efficiency.
(3) structure of the first filter screen of the utility model, which makes itself i.e., has preferable filter effect and anti-clogging Can, and its rotatable ingenious setting, its filter efficiency is further improved, also makes its installation, disassembly and replacement very Convenience.
(4) pressure on the second filter screen then can be detected in the setting of the pressure sensor of the second filter screen of the utility model Power, in order to which the aperture that 51 single-chip microcontrollers can timely adjust the first inlet valve and outlet valve either changes turning for rotary electric machine Speed, and then charging load or strainer revolving speed are adjusted, avoid damage strainer.
(5) setting of the utility model amount liquid bucket can measure each filtered raw material, improve ingredient accuracy, And the setting for measuring liquid bucket can play a buffer function, avoid filtered raw material directly into batcher, give batcher In stirring rod etc. generate greater impact, cause stirring rod to damage;In addition, the second charging valve opening of amount liquid bucket can be according to circumstances Adjustment, slowly enters raw material in batcher, and non-disposable all chargings, can reduce stirring difficulty, improve stirring efficiency.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model Rose Box structural schematic diagram.
Fig. 3 is enlarged drawing at A.
Fig. 4 is enlarged drawing at B.
Fig. 5 is batcher structural schematic diagram.
Wherein, the corresponding title of appended drawing reference are as follows:
1- cabinet, 11- discharge port, 12- outlet valve, 13- annular groove, 14- shaft, 15- amount liquid bucket, 16- driven turntable, 17- bar shaped observation panel, 18- inlet tube, the second inlet valve of 19-, 2- case lid, 21- feed inlet, the first inlet valve of 22-, 23- motor Seat, 24- pressure spring, the first filter screen of 3-, 31- connection sheet, 32- threaded post, 33- reinforcing rib, 34- ring slider, 4- second are filtered Net, 41- pressure sensor, 5- portal frame, 51- support base, 52- rotary electric machine, 53- annular fixing frame, 6- batcher, 61- are stirred Mix motor, 62- bull stick, 63- stirring rod, 64- discharge gate.
Specific embodiment
The utility model is described in further detail with embodiment for explanation with reference to the accompanying drawing, and the mode of the utility model includes But it is not limited only to following embodiment.
The purpose of the present embodiment is to provide for a kind of water paint proportioner, and it is higher aqueous to obtain quality with configuration Coating.As shown in Figure 1, the proportioner is integrally actually an integrating device, it mainly include frame body, Rose Box and batcher 6。
Specifically, the frame body includes portal frame 5, and is symmetricly set on the Rose Box support base 51 of portal frame two sides, 51 single-chip microcontrollers for being equipped with rotary electric machine 52 in the middle part of the portal frame and being connected with rotary electric machine, the rotary electric machine are filtered for two Case provides the device of rotational power, and 51 single-chip microcontrollers are then that the present apparatus realizes the processor automatically controlled.
There are two the Rose Box is total, and it is separately positioned on Rose Box support base, as shown in Figure 2 to 4, each filtering Case includes cylindrical box 1, case lid 2, the first filter screen 3, the second filter screen 4, shaft 14 and amount liquid bucket 15;The cabinet is set In on support base 51;The 2 top side of case lid be equipped with feed inlet 21, feed inlet be equipped be connected with 51 single-chip microcontrollers first into Expect valve 22;Discharge nozzle 11 is equipped with below the cabinet 1, discharge nozzle movable end is connected to amount liquid bucket 15, and discharge nozzle is equipped with and 51 The connected outlet valve 12 of single-chip microcontroller.
First filter screen 3 is tapered, and in downwards parabola shaped, the structure itself is to be conducive to aqueous painting for longitudinal section Material enters the filter structure after cabinet, and on this basis, be also additionally arranged makes its rotation to reach water paint centrifugation to the present embodiment The mechanism of centrifugation, specifically, 1 top edge of cabinet are equipped with annular groove 13,3 edge of the first filter screen lower section Equipped with the ring slider 33 matched with sliding slot, the first filter screen by annular groove and ring slider be slidably connected realization with Cabinet is slidably connected, on the one hand the mode that the first filtering network edge connects with cabinet top edge can be such that the first filter screen is convenient for Connect with cabinet top edge, water paint is avoided to leak into lower part from filter cloth edge, influences filter effect, on the other hand also can reach For the effect of the first filter screen load-bearing, avoid sliding in the first filter screen rotation process, furthermore its mode being slidably connected can also Reduce the rotary resistance of the first filter screen.Connection sheet 31 and threaded post 32 are equipped in the middle part of first filter screen, the connection sheet is located at Lower section in the middle part of first filter screen, the threaded post lower end passes through to be connected in the middle part of the first filter screen and connection sheet;2 snapping of case lid Above cabinet 1, driven turntable 16 is equipped with above the case lid 2, the driven turntable is exported by hinge and rotary electric machine 52 End is connected and rotates under rotary electric machine drive, and 14 upper end of shaft is connected with driven turntable 16 and drives in driven turntable Lower rotation, shaft are passed through by bearing and extend downwardly and connect with threaded post threaded upper ends in the middle part of cabinet, the rotation direction of shaft It is consistent with the hand of spiral of threaded post, it, can normal rotation mistake when the water paint particle collected above the first filter screen is less Filter, and when the coating particles of wakeing up that collect above the first filter screen are more, since particle gravity will lead to the first filtering Net rotation is difficult, and then causes threaded post spiral to move up, is even closer with shaft rotation connection, meanwhile, in the middle part of the first filter screen It moves up, shaft plays more load-bearing effects, reduces the load of the first filter screen, can reach the purpose for avoiding filter screen from damaging. The rotation of first filter screen is arranged, it can be made further to promote its filter efficiency, and the biggish water paint of stickiness can be made to exist It is thrown away under centrifugal force effect, so that it will not block into the mesh of the first filter screen, is greatly improved centrifugal efficiency, and diameter is big It can be then intercepted in the first filter screen in the particle of 3 mesh diameter of the first filter screen, and with the rotation of the first filter screen and certainly Collect under the gravity of body to middle part movement, and newly carry out rotation centrifugal filtration above it into the water paint of cabinet, It will not be affected by it.In view of the first filter screen is main filter element, need to intercept most large granular materials, because This its need biggish load-bearing capacity, the present embodiment is also uniformly provided with several reinforcing ribs on first filter screen 3, every For reinforcing rib to filter network edge as starting point with first in the middle part of the first filter screen, the reinforcing rib in the middle part of the first filter screen is more close Collection, can reach preferable load bearing effect.
Second filter screen 4 of the present embodiment is rounded and lower part is arranged in cabinet 1, plays the role of secondary filter, and And since the water paint itself that the first filter screen 3 filters out has certain speed, it can be also reduced by the The transit time of two filter screens 4, is not easy to plug the second filter screen, influences its filter efficiency.It is set in the middle part of second filter screen There is the pressure sensor 41 being connected with 51 single-chip microcontrollers, which can be direct conducting wire connection, can also pass through signal receiving/transmission device reality It now is wirelessly connected (which is very mature, therefore is not described in detail), is faced when pressure sensor measures pressure and reaches When boundary's point, that is, shows that the large granular materials that raw material enters above too fast or the second filter screen reach its receiving threshold value, can close Motor opens case lid, to be cleaned or be replaced to filter screen.Second filter screen, 4 edge is symmetrically arranged with two convenient for inciting somebody to action It lifts the lifting ear for disengaging it from cabinet, in order to replace to it.
15 lower section of amount liquid bucket is tilted towards batcher direction, and amount liquid barrel side face is equipped with bar shaped observation panel 17, the observation panel Volume markings are equipped with, in order to observe the reserves of raw material, and convenient for control feeding quantity;It measures liquid bucket lowest point and is equipped with inlet tube 18, inlet tube is equipped with the second inlet valve 19 being connected with 51 single-chip microcontrollers to be made so that raw material can be flowed into completely in batcher Raw material metering is more accurate, and the second single-chip microcontroller of inlet valve 19 and 51 is connected, then is for the ease of can be in mixed process When control whether charging and feeding quantity;For the mounting stability of incrementss liquid bucket, the amount liquid bucket 15 passes through annular fixing frame 53 are fixed on portal frame 5.
As shown in figure 5, the batcher 6 is located between two Rose Boxes of the lower section of portal frame 5, be equipped at the top of batcher with The connected stirring motor 61 of 51 single-chip microcontrollers, batcher top two sides are respectively provided with the ingredient import being connected to inlet tube 18, match The bull stick 62 that batcher top is connected with stirring motor is passed through equipped with upper end in hopper, bull stick is equipped with stirring rod 63, and stirring rod exists It is in shift to install on bull stick;The temperature sensor being connected with 51 single-chip microcontrollers is additionally provided in the batcher, when ingredient the temperature inside the box When excessively high, stirring motor revolving speed can be adjusted by 51 single-chip microcontrollers, opening for the second inlet valve is closed or adjusted to the second inlet valve of adjustment Degree, avoids a series of problems of the excessively high initiation of temperature.For the ease of discharging, discharge gate 64 is equipped with below 6 side of batcher.
Above-described embodiment is only one of preferred embodiments of the present invention, should not be taken to limit the utility model Protection scope, as long as the utility model body design thought and mentally make have no the change of essential meaning or profit Color, it is solved the technical issues of it is still consistent with the utility model, the protection scope of the utility model should all be included in Within.

Claims (9)

1. a kind of water paint proportioner, which is characterized in that include including frame body, Rose Box and batcher (6), the frame body Portal frame (5), and it is symmetricly set on the Rose Box support base (51) of portal frame two sides, rotary electric machine is equipped in the middle part of the portal frame (52) and with rotary electric machine 51 single-chip microcontrollers being connected;There are two the Rose Box is total, and it is separately positioned on Rose Box support base, Each Rose Box include cylindrical box (1), case lid (2), the first filter screen (3), the second filter screen (4), shaft (14) and It measures liquid bucket (15);The cabinet is placed on support base (51), and case lid (2) lid closes above cabinet;Second filter screen (4) rounded and setting is equipped with the pressure sensor being connected with 51 single-chip microcontrollers in the middle part of cabinet (1) interior lower part, the second filter screen (41);First filter screen (3) is tapered, and the first filtering network edge is slidably connected with cabinet top edge, in the first filter screen Portion is fixedly connected with shaft (14) lower end, and the shaft upper end is connected behind case lid (2) middle part with driven turntable (16), described Driven turntable is connected with rotary electric machine (52) output end by hinge and is rotated under rotary electric machine drive;On the case lid (2) Square side is equipped with feed inlet (21), and feed inlet is equipped with the first inlet valve (22) being connected with 51 single-chip microcontrollers;Under the cabinet (1) Side middle part is equipped with discharge nozzle (11), and discharge nozzle movable end is connected to amount liquid bucket (15), and discharge nozzle is equipped with to be connected with 51 single-chip microcontrollers Outlet valve (12);It being tilted below the amount liquid bucket (15) towards batcher direction, amount liquid barrel side face is equipped with bar shaped observation panel (17), The observation panel is equipped with volume markings, and amount liquid bucket lowest point is equipped with inlet tube (18), and inlet tube is equipped with to be connected with 51 single-chip microcontrollers The second inlet valve (19);The batcher (6) is located between two Rose Boxes below portal frame (5), sets at the top of batcher There is the stirring motor (61) being connected with 51 single-chip microcontrollers, two sides are respectively provided with the ingredient being connected to inlet tube (18) at the top of batcher Import, batcher is interior to pass through the bull stick (62) that batcher top is connected with stirring motor equipped with upper end, and bull stick is equipped with stirring rod (63), stirring rod is in and shifts to install on bull stick;The temperature sensor being connected with 51 single-chip microcontrollers is additionally provided in the batcher.
2. a kind of water paint proportioner according to claim 1, which is characterized in that cabinet (1) top edge is set Have annular groove (13), the ring slider (33) matched with sliding slot, the first mistake are equipped with below the first filter screen (3) edge Strainer is slidably connected by be slidably connected realization and the cabinet of annular groove and ring slider.
3. a kind of water paint proportioner according to claim 2, which is characterized in that in first filter screen (3) Portion is equipped with connection sheet (31) and threaded post (32), and the connection sheet is located at lower section, the threaded post lower end in the middle part of the first filter screen It is connected in the middle part of the first filter screen and connection sheet, threaded post upper end is connect with shaft (14) lower thread.
4. a kind of water paint proportioner according to any one of claims 1 to 3, which is characterized in that the amount liquid Bucket (15) is fixed on portal frame (5) by annular fixing frame (53).
5. a kind of water paint proportioner according to claim 4, which is characterized in that on first filter screen (3) Several reinforcing ribs are uniformly provided with, every reinforcing rib is to filter network edge as starting point with first in the middle part of the first filter screen.
6. a kind of water paint proportioner according to claim 1 or 5, which is characterized in that second filter screen (4) Edge is symmetrically arranged with two convenient for being lifted the lifting ear for disengaging it from cabinet.
7. a kind of water paint proportioner according to claim 6, which is characterized in that the shaft (14) and case lid (2) bearing connects between.
8. a kind of water paint proportioner according to claim 1 or claim 7, which is characterized in that first filter screen (3) Aperture be greater than the second filter screen (4) aperture.
9. a kind of water paint proportioner according to claim 8, which is characterized in that under batcher (6) side Side is equipped with discharge gate (64).
CN201820929524.2U 2018-06-15 2018-06-15 A kind of water paint proportioner Expired - Fee Related CN208449151U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820929524.2U CN208449151U (en) 2018-06-15 2018-06-15 A kind of water paint proportioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820929524.2U CN208449151U (en) 2018-06-15 2018-06-15 A kind of water paint proportioner

Publications (1)

Publication Number Publication Date
CN208449151U true CN208449151U (en) 2019-02-01

Family

ID=65159379

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820929524.2U Expired - Fee Related CN208449151U (en) 2018-06-15 2018-06-15 A kind of water paint proportioner

Country Status (1)

Country Link
CN (1) CN208449151U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124558A (en) * 2019-05-27 2019-08-16 张彩真 A kind of high-purity ink dispersing apparatus and dispersing method
CN112337378A (en) * 2020-10-19 2021-02-09 浙江神英科技股份有限公司 Lemon essence shower gel preparation system and preparation method
CN113681745A (en) * 2021-09-03 2021-11-23 高广西 Slag removal type plastic film manufacturing mixer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124558A (en) * 2019-05-27 2019-08-16 张彩真 A kind of high-purity ink dispersing apparatus and dispersing method
CN112337378A (en) * 2020-10-19 2021-02-09 浙江神英科技股份有限公司 Lemon essence shower gel preparation system and preparation method
CN112337378B (en) * 2020-10-19 2022-11-15 林慧丽 Lemon essence shower gel preparation system and preparation method
CN113681745A (en) * 2021-09-03 2021-11-23 高广西 Slag removal type plastic film manufacturing mixer
CN113681745B (en) * 2021-09-03 2023-08-29 广东向前新材料科技有限公司 Deslagging type plastic film manufacturing mixer

Similar Documents

Publication Publication Date Title
CN208449151U (en) A kind of water paint proportioner
CN107261930B (en) Powder crushing, feeding and mixing device
CN109126602A (en) Powder liquid continuous mixer and continuous metering mixture manufacturing line
CN105749783A (en) Paint stirrer
CN205216998U (en) Suspension method teflon resin smashs washing device to pieces
CN208372628U (en) A kind of water paint Rose Box
CN105709651B (en) The dynamic proportioning device of a set of chemical material
CN209464920U (en) Spinning sizing agent precisely prepares mixing arrangement
CN219784636U (en) Seasoning sauce raw material adding device
CN209138465U (en) A kind of anti-corrosion material raw material processing unit (plant)
CN206348179U (en) A kind of Environmental Protective Water-paint sample viscosity device for detecting performance
CN114670334B (en) Environment-friendly mortar production line capable of collecting dust in concentrated mode
CN215282776U (en) Stirring device capable of controlling investment for production
CN209396590U (en) A kind of rapid feeding device for seed magnetic separator
CN209064391U (en) A kind of corn seed Automatic weighing and packaging system
CN211659933U (en) Dry powder metering system
CN209197867U (en) A kind of adjustable dosage bucket
CN113731270A (en) Feeding device for preparing high-crack-resistance curing material and using method
CN208599298U (en) A kind of emulsion paint filter device
CN218227359U (en) Mix effectual PVC pipeline raw materials mixer
CN214951712U (en) Rotor scale
CN219125067U (en) Accurate feeding system of stirring
CN213832183U (en) Filling device is used in production of ceramic wall ceramic tile binder
CN213408377U (en) Printing ink stirring device of glass light guide plate
CN204234140U (en) A kind of Vertical Mill type Selection Test system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190201

Termination date: 20200615

CF01 Termination of patent right due to non-payment of annual fee