CN108993945A - Cleaning device is used in a kind of production of computer motherboard - Google Patents
Cleaning device is used in a kind of production of computer motherboard Download PDFInfo
- Publication number
- CN108993945A CN108993945A CN201810668551.3A CN201810668551A CN108993945A CN 108993945 A CN108993945 A CN 108993945A CN 201810668551 A CN201810668551 A CN 201810668551A CN 108993945 A CN108993945 A CN 108993945A
- Authority
- CN
- China
- Prior art keywords
- shell
- motor
- computer motherboard
- cleaning device
- slide mechanism
- 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.)
- Withdrawn
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Landscapes
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of computer motherboard production cleaning devices, are related to field of computer technology.The present invention includes shell, belt, linear slide mechanism and brush roll, housing bottom is provided with pedestal, enclosure interior is provided with conveyer belt, conveyer belt both ends are equipped with transfer roller, bearing on transfer roller both ends and installation on the inner wall of the housing is rotatablely connected, driven wheel is installed on the transfer roller of housing forward end, shell ground is provided with transport motor, transport motor shaft end is installed by driving wheel, driving wheel is sequentially connected by belt and driven wheel, housing bottom surface transport motor side is provided with electronic box, linear slide mechanism is provided with above conveyer belt, the bottom of linear slide mechanism is equipped with fixed frame, rotary electric machine is installed in fixed frame, the bottom shaft end of rotary electric machine is equipped with turntable.The present invention is adaptable, and elasticity is good, and when use will not scratch computer motherboard, and cleaning effect is good.
Description
Technical field
The present invention relates to field of computer technology, cleaning device is used in specially a kind of computer motherboard production.
Background technique
Computer housing mainboard is called motherboard, system board or motherboard, it is divided into commercial mainboard and two kinds of industrial master board, it
Be mounted in cabinet, be microcomputer it is most basic be also one of most important component, the generally rectangular cross-section circuit board of mainboard is installed above
The main circuit system of composition computer generally has BIOS chip, I/O control chip, key and panel control switch interface, refers to
Show the DC power supply of lamp plug connector, expansion slot, mainboard and plug-in card for elements such as electrical connectors, mainboard uses open knot
Structure mostly has 6-15 expansion slot on mainboard, these slots can adsorb a large amount of dust, and dust is glutinous to influence meter on circuit boards
Calculate mainboard heat dissipation, easily causing insulating properties reduces and poor contact, and it is serious when may cause short circuit, therefore counting
It needs to clean mainboard in advance when calculating mainboard production.
But existing computer motherboard cleaning device has the disadvantage in that
1, computer motherboard surface relief is uneven, and existing computer motherboard cleaning device is elastic when cleaning to mainboard
Difference, can not adaptive polo placement mainboard surface lug boss and opposing recesses portion, to be easy computer motherboard in cleaning
Scratch or even well damage.
2, existing computer motherboard cleaning device only passes through hairbrush and cleans to mainboard, but the dust after cleaning is again
It can gradually drop down on computer motherboard, so that cleaning effect is poor.
Summary of the invention
In view of the deficiencies of the prior art, it the present invention provides a kind of computer motherboard production cleaning device, solves existing
Some technology poor flexibilities are easy to scratch computer motherboard, and the problem that cleaning effect is bad.
To achieve the above object, the invention provides the following technical scheme: a kind of computer motherboard production cleaning device, packet
Shell, belt, linear slide mechanism and brush roll are included, the housing bottom is provided with pedestal, and the enclosure interior is provided with biography
Band is sent, the conveyer belt both ends are equipped with transfer roller, and the bearing on the transfer roller both ends and installation on the inner wall of the housing, which rotates, to be connected
It connects, driven wheel is installed on the transfer roller of the housing forward end, the shell ground is provided with transport motor, the transmission
Driving wheel is installed at machine shaft end, and the driving wheel is sequentially connected by belt and driven wheel, the housing bottom surface transport motor
Side is provided with electronic box, and linear slide mechanism, the bottom installation of the linear slide mechanism are provided with above the conveyer belt
There is fixed frame, rotary electric machine is installed in the fixed frame, the bottom shaft end of the rotary electric machine is equipped with turntable, and described turn
The bottom surface side of disk is equipped with hair dryer, and the bottom surface other side of the turntable is equipped with strut, the middle position peace of the strut
Equipped with spring, the bottom end of the strut is equipped with brush roll, and one end of the brush roll is equipped with hair brush motor, the shell
Side rear and front end is equipped with vacuum cleaner, and the vacuum cleaner is connect with the deduster being mounted on housing exterior walls, the shell
Front and rear sides are movably hinged with two fan windowpanes respectively, are equipped with controller on the outer wall of the shell.
Preferably, the linear slide mechanism includes ball screw, screw rod rotation seat, lead screw motor, slide bar, feed screw nut
And slider block, one end of the ball screw are connect with the screw rod rotation seat in installation on the inner wall of the housing, the ball screw
One end is connect with the lead screw motor shaft being mounted on housing exterior walls, and feed screw nut, the rolling are equipped on the ball screw
The two sides of ballscrew are equipped with slide bar, slidably connect slider block on two slide bars.
Preferably, retarder is installed between the transport motor and driving wheel.
Preferably, the transport motor, rotary electric machine and hair brush motor are servo motor, and the lead screw motor is stepping
Motor, the transport motor, lead screw motor, rotary electric machine and hair brush motor are electrically connected with controller.
Preferably, the inner wall top of the shell is equipped with headlamp.
Preferably, the controller is also electrically connected with retarder, hair dryer, vacuum cleaner and deduster respectively.
The present invention provides a kind of computer motherboard production cleaning device, have it is following the utility model has the advantages that
(1) present invention is by setting spring, brush roll and hair brush motor, in use, lead screw motor drives ball screw to turn
Dynamic, the rotational motion of ball screw is converted into the linear motion of itself by feed screw nut by itself lines, drive slider block and
The brush roll transverse shifting for being mounted on slider block bottom cleans mainboard, in hairbrush moving process, hair brush motor band electric brush
Roller rotation cleans mainboard surface, and spring increases elasticity when brush roll cleans, when brush roll is moved to mainboard lug boss
When, spring is suitably compressed, the spring tension homing when brush roll is moved to evener by brush roll active force, simultaneously
Brush roll can be made to turn to the transmission for adopting conveyer belt unanimously with conveyer belt direction of transfer under the drive of rotary electric machine and drive master
Plate is mobile so that brush roll cleans mainboard, and the present invention is adaptable, and when cleaning will not damage mainboard, and
Flexibility ratio is high, and cleaning is comprehensive.
(2) present invention is by setting hair dryer, vacuum cleaner and deduster, in use, opening blowing after brush roll cleaning
Machine, the mainboard surface after hair dryer can just clean brush roll carry out drifting dust, hike up dust, then vacuum cleaner sucks dust
Deduster is dusted operation by deduster, and the present invention can be dusted the dust after cleaning, and dust is avoided to drift sky
Air is polluted in gas, meets environmental protection concept.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention；
Fig. 2 is the structural schematic diagram in the direction A_A in Fig. 1 of the present invention；
Fig. 3 is the enlarged drawing in Fig. 1 of the present invention at B；
Fig. 4 is outside drawing of the invention.
In figure: 1, shell；2, pedestal；3, conveyer belt；4, transfer roller；5, bearing；6, driven wheel；7, transport motor；8, subtract
Fast device；9, driving wheel；10, belt；11, linear slide mechanism；12, ball screw；13, screw rod rotation seat；14, lead screw motor；
15, slide bar；16, feed screw nut；17, slider block；18, fixed frame；19, rotary electric machine；20, turntable；21, hair dryer；22, it props up
Bar；23, spring；24, brush roll；25, hair brush motor；26, vacuum cleaner；27, deduster；28, headlamp；29, windowpane；30,
Controller；31, electronic box.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs 1-4, the present invention provides a kind of technical solution: a kind of computer motherboard production cleaning device, including
Shell 1, belt 10, linear slide mechanism 11 and brush roll 24,1 bottom of shell are provided with pedestal 2, and shell 1 is internally provided with biography
Band 3 is sent, 3 both ends of conveyer belt are equipped with transfer roller 4, and 4 both ends of transfer roller are rotatablely connected with the bearing 5 being mounted on 1 inner wall of shell,
Driven wheel 6 is installed on the transfer roller 4 of 1 front end of shell, 1 ground of shell is provided with transport motor 7,7 shaft of transport motor
End installation driving wheel 9, driving wheel 9 are sequentially connected by belt 10 and driven wheel 6, and 1 bottom surface transport motor of shell, 7 side is provided with
Electronic box 31, the top of conveyer belt 3 are provided with linear slide mechanism 11, and the bottom of linear slide mechanism 11 is equipped with fixed frame 18,
Rotary electric machine 19 is installed, the bottom shaft end of rotary electric machine 19 is equipped with turntable 20, the bottom surface one of turntable 20 in fixed frame 18
Side is equipped with hair dryer 21, and the bottom surface other side of turntable 20 is equipped with strut 22, and the middle position of strut 22 is equipped with spring 23,
The bottom end of strut 22 is equipped with brush roll 24, and one end of brush roll 24 is equipped with hair brush motor 25, the side rear and front end of shell 1
Vacuum cleaner 26 is installed, vacuum cleaner 26 is connect with the deduster 27 being mounted on 1 outer wall of shell, the front and rear sides difference of shell 1
Two fan windowpanes 29 are movably hinged with, controller 30 is installed on the outer wall of shell 1, linear slide mechanism 11 includes ball screw
12, screw rod rotation seat 13, lead screw motor 14, slide bar 15, feed screw nut 16 and slider block 17, one end of ball screw 12 and installation
Screw rod rotation seat 13 on 1 inner wall of shell connects, one end of ball screw 12 and the lead screw motor being mounted on 1 outer wall of shell
14 shafts connect, and are equipped with feed screw nut 16 on ball screw 12, the two sides of ball screw 12 are equipped with slide bar 15, two slide bars
Slider block 17 is slidably connected on 15, and retarder 8, transport motor 7, rotary electric machine are installed between transport motor 7 and driving wheel 9
19 and hair brush motor 25 be servo motor, lead screw motor 14 is stepper motor, transport motor 7, lead screw motor 14, rotary electric machine
19 and hair brush motor 25 be electrically connected with controller 30, the inner wall top of shell 1 is equipped with headlamp 28, and controller 30 also divides
It is not electrically connected with retarder 8, hair dryer 21, vacuum cleaner 26 and deduster 27,30 model S7-400 of controller.
In use, lead screw motor 14 drives ball screw 12 to rotate, feed screw nut 16 is by the rotational motion of ball screw 12
The linear motion of itself is converted by itself lines, 24 cross of brush roll for driving slider block 17 and being mounted on 17 bottom of slider block
Mainboard is cleaned to mobile, in 24 moving process of brush roll, hair brush motor 25 drive the rotation of brush roll 24 to mainboard surface into
Row clean, spring 23 increase brush roll 24 clean when elasticity, when brush roll 24 is moved to mainboard lug boss, spring 23 by
24 active force of brush roll and suitably compress, the 23 tension homing of spring when brush roll 24 is moved to evener, while turn
Brush roll 24 can be made to turn under the drive of dynamic motor 19 consistent with 3 direction of transfer of conveyer belt, 7 shaft of transport motor drives actively
9 rotation of wheel, driving wheel 9 drive driven wheel 6 to rotate by belt 10, and driven wheel 6 drives transfer roller 4 to rotate, and transfer roller 4, which drives, to be passed
Being transmitted to mainboard for band 3 is sent, cleans brush roll 24 to mainboard, after brush roll 24 cleans, opens hair dryer 21,
Mainboard surface after hair dryer 21 can just clean brush roll 24 carries out drifting dust, and dust be made to hike up, and then vacuum cleaner 26 is by dust
Deduster 27 is sucked, operation is dusted by deduster 27.
It can to sum up obtain, the present invention passes through setting linear slide mechanism 11, hair dryer 21, spring 23, brush roll 24, vacuum cleaner
26 and deduster 27, it solves existing technology poor flexibility, is easy to scratch computer motherboard, and cleaning effect is bad asks
Topic.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of computer motherboard production cleaning device, including shell (1), belt (10), linear slide mechanism (11) and hair
Brush roll (24), it is characterised in that:
Shell (1) bottom is provided with pedestal (2), and the shell (1) is internally provided with conveyer belt (3), the conveyer belt (3)
Both ends are equipped with transfer roller (4), and transfer roller (4) both ends are rotatablely connected with the bearing (5) being mounted on shell (1) inner wall,
Driven wheel (6) are installed on the transfer roller (4) of the shell (1) front end；
Shell (1) ground is provided with transport motor (7), and driving wheel (9) are installed at transport motor (7) the shaft end, described
Driving wheel (9) is sequentially connected by belt (10) and driven wheel (6), and shell (1) bottom surface transport motor (7) side is provided with
Electronic box (31)；
It is provided with linear slide mechanism (11) above the conveyer belt (3), the bottom installation of the linear slide mechanism (11)
Have fixed frame (18), is equipped with rotary electric machine (19) in the fixed frame (18), the bottom shaft end of the rotary electric machine (19)
It is equipped with turntable (20), the bottom surface side of the turntable (20) is equipped with hair dryer (21), and the bottom surface of the turntable (20) is another
Side is equipped with strut (22), and the middle position of the strut (22) is equipped with spring (23), the bottom end installation of the strut (22)
Have brush roll (24), one end of the brush roll (24) is equipped with hair brush motor (25)；
The side rear and front end of the shell (1) is equipped with vacuum cleaner (26), the vacuum cleaner (26) and is mounted on shell (1) outside
Deduster (27) connection on wall, the front and rear sides of the shell (1) are movably hinged with two fan windowpanes (29), the shell respectively
Controller (30) are installed on the outer wall of body (1).
2. a kind of computer motherboard production cleaning device according to claim 1, it is characterised in that: the linear slide
Mechanism (11) include ball screw (12), screw rod rotation seat (13), lead screw motor (14), slide bar (15), feed screw nut (16) and
Slider block (17), one end of the ball screw (12) are connect with the screw rod rotation seat (13) being mounted on shell (1) inner wall, institute
The one end for stating ball screw (12) is connect with lead screw motor (14) shaft being mounted on shell (1) outer wall, the ball screw
(12) it is equipped on feed screw nut (16), the two sides of the ball screw (12) are equipped with slide bar (15), two slide bars
(15) slider block (17) are slidably connected on.
3. a kind of computer motherboard production cleaning device according to claim 1, it is characterised in that: the transport motor
(7) it is equipped between driving wheel (9) retarder (8).
4. a kind of computer motherboard production cleaning device according to claim 1, it is characterised in that: the transport motor
(7), rotary electric machine (19) and hair brush motor (25) are servo motor, and the lead screw motor (14) is stepper motor, the biography
Power transmission machine (7), lead screw motor (14), rotary electric machine (19) and hair brush motor (25) are electrically connected with controller (30).
5. a kind of computer motherboard production cleaning device according to claim 1, it is characterised in that: the shell (1)
Inner wall top headlamp (28) are installed.
6. a kind of computer motherboard production cleaning device according to claim 1, it is characterised in that: the controller
(30) it is also electrically connected respectively with retarder (8), hair dryer (21), vacuum cleaner (26) and deduster (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810668551.3A CN108993945A (en) | 2018-06-26 | 2018-06-26 | Cleaning device is used in a kind of production of computer motherboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810668551.3A CN108993945A (en) | 2018-06-26 | 2018-06-26 | Cleaning device is used in a kind of production of computer motherboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108993945A true CN108993945A (en) | 2018-12-14 |
Family
ID=64602018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810668551.3A Withdrawn CN108993945A (en) | 2018-06-26 | 2018-06-26 | Cleaning device is used in a kind of production of computer motherboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108993945A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865772A (en) * | 2019-04-09 | 2019-06-11 | 马鞍山瑞恒精密制造有限公司 | Mouth of a river iron-clad intellectualized production system |
| CN109877290A (en) * | 2019-04-19 | 2019-06-14 | 无锡安田精密机械有限公司 | A kind of communication filter cover board die casting |
| CN110227697A (en) * | 2019-06-25 | 2019-09-13 | 安徽迈德福新材料有限责任公司 | A kind of cleaning plant of nickel-base alloy foil production-scale cell |
| CN110355132A (en) * | 2019-08-20 | 2019-10-22 | 张连生 | A kind of processing unit of computer outer case |
| CN110882964A (en) * | 2019-12-23 | 2020-03-17 | 江苏润鼎智能装备科技有限公司 | Panel curb plate descaling machine |
| CN111408556A (en) * | 2020-03-23 | 2020-07-14 | 杭州聪曦科技有限公司 | Efficient computer motherboard impurity removing device utilizing electrostatic dust removal |
| CN111618040A (en) * | 2020-05-29 | 2020-09-04 | 哈尔滨中能软件工程有限公司 | Mainboard edulcoration device is used in computer hardware production |
| CN111631667A (en) * | 2020-06-08 | 2020-09-08 | 杭州赴戎科技有限公司 | Equipment for cleaning soles of leather shoes based on eccentric wheel mechanism |
| CN111632955A (en) * | 2020-05-27 | 2020-09-08 | 杭州扶泽科技有限公司 | Memory bank cleaning device based on ratchet transmission principle |
| CN112667038A (en) * | 2021-03-08 | 2021-04-16 | 莱芜职业技术学院 | Reinforced computer case with filter screen dust cleaning function |
| CN112917228A (en) * | 2021-01-11 | 2021-06-08 | 西京学院 | Environment-friendly machining platform convenient to clearance mesa |
| CN113001302A (en) * | 2021-03-05 | 2021-06-22 | 右江民族医学院 | Impurity removing method for computer mainboard production |
| CN114893963A (en) * | 2022-06-06 | 2022-08-12 | 四川省烟草公司广元市公司 | A high-efficient drying chamber for tobacco agriculture |
-
2018
- 2018-06-26 CN CN201810668551.3A patent/CN108993945A/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865772A (en) * | 2019-04-09 | 2019-06-11 | 马鞍山瑞恒精密制造有限公司 | Mouth of a river iron-clad intellectualized production system |
| CN109877290A (en) * | 2019-04-19 | 2019-06-14 | 无锡安田精密机械有限公司 | A kind of communication filter cover board die casting |
| CN110227697A (en) * | 2019-06-25 | 2019-09-13 | 安徽迈德福新材料有限责任公司 | A kind of cleaning plant of nickel-base alloy foil production-scale cell |
| CN110355132A (en) * | 2019-08-20 | 2019-10-22 | 张连生 | A kind of processing unit of computer outer case |
| CN110882964A (en) * | 2019-12-23 | 2020-03-17 | 江苏润鼎智能装备科技有限公司 | Panel curb plate descaling machine |
| CN111408556A (en) * | 2020-03-23 | 2020-07-14 | 杭州聪曦科技有限公司 | Efficient computer motherboard impurity removing device utilizing electrostatic dust removal |
| CN111632955A (en) * | 2020-05-27 | 2020-09-08 | 杭州扶泽科技有限公司 | Memory bank cleaning device based on ratchet transmission principle |
| CN111618040A (en) * | 2020-05-29 | 2020-09-04 | 哈尔滨中能软件工程有限公司 | Mainboard edulcoration device is used in computer hardware production |
| CN111631667A (en) * | 2020-06-08 | 2020-09-08 | 杭州赴戎科技有限公司 | Equipment for cleaning soles of leather shoes based on eccentric wheel mechanism |
| CN112917228A (en) * | 2021-01-11 | 2021-06-08 | 西京学院 | Environment-friendly machining platform convenient to clearance mesa |
| CN113001302A (en) * | 2021-03-05 | 2021-06-22 | 右江民族医学院 | Impurity removing method for computer mainboard production |
| CN112667038A (en) * | 2021-03-08 | 2021-04-16 | 莱芜职业技术学院 | Reinforced computer case with filter screen dust cleaning function |
| CN114893963A (en) * | 2022-06-06 | 2022-08-12 | 四川省烟草公司广元市公司 | A high-efficient drying chamber for tobacco agriculture |
| CN114893963B (en) * | 2022-06-06 | 2023-10-24 | 四川省烟草公司广元市公司 | A high-efficient drying chamber for tobacco agriculture |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181214 |
|
| WW01 | Invention patent application withdrawn after publication |