CN105689297A - Wet brush type valve plate brushing machine and processing method thereof - Google Patents

Wet brush type valve plate brushing machine and processing method thereof Download PDF

Info

Publication number
CN105689297A
CN105689297A CN201610128087.XA CN201610128087A CN105689297A CN 105689297 A CN105689297 A CN 105689297A CN 201610128087 A CN201610128087 A CN 201610128087A CN 105689297 A CN105689297 A CN 105689297A
Authority
CN
China
Prior art keywords
valve plate
assembly
unit head
head assembly
drive motor
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.)
Granted
Application number
CN201610128087.XA
Other languages
Chinese (zh)
Other versions
CN105689297B (en
Inventor
宋建伟
秦加良
张言
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.)
Hebei Aerospace Zhenbang Precision Machinery Co Ltd
Original Assignee
Hebei Aerospace Zhenbang Precision Machinery 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 Hebei Aerospace Zhenbang Precision Machinery Co Ltd filed Critical Hebei Aerospace Zhenbang Precision Machinery Co Ltd
Priority to CN201610128087.XA priority Critical patent/CN105689297B/en
Publication of CN105689297A publication Critical patent/CN105689297A/en
Application granted granted Critical
Publication of CN105689297B publication Critical patent/CN105689297B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/20Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area

Landscapes

  • Brushes (AREA)
  • Cleaning In General (AREA)

Abstract

The invention provides a wet brush type valve plate brushing machine and a processing method thereof, and relates to the technical field of brushing processing of the overall appearance of the valve plate in a refrigeration compressor of a refrigerator. The wet brush type valve plate brushing machine comprises an equipment main body, a filter, an electrical cabinet and an oil mist separator, wherein a power head assembly, a material path assembly, a wrong material detecting assembly, a charge path assembly, a discharge path assembly and a control box are arranged on the equipment main body; the charge path assembly is arranged at the right end of the equipment main body; the discharge path assembly is arranged at the left end of the equipment main body; the middle part of the equipment main body is provided with the material path assembly; one end of the material path assembly communicates with the discharge path assembly; the other end of the material path assembly communicates with the charge path assembly; the wrong material detecting assembly is arranged on the material path assembly; the wrong material detecting assembly is positioned at the left side of the charge path assembly; the control box is arranged at the lower end of the equipment main body; and the power head assembly is connected to the material path assembly. The wet brush type valve plate brushing machine solves the defects generated by a conventional processing method, so that the producing and processing efficiency is greatly improved.

Description

A kind of wet brush valve plate brush machine and processing method thereof
Technical field
The present invention relates to the scratch brushing processing technique field of valve plate monnolithic case in a kind of refrigerating compressor for refrigerator, particularly relate toA kind of wet brush valve plate brush machine and processing method thereof
Background technology
Development along with the epoch, gradually stepping up of living standard, the requirement of quality of life is also gradually risen by people, refrigerator has come into the life of ordinary people as required household electrical appliance of living, and along with the raising of people's environmental protection and awareness of saving energy, people are also more and more higher to the requirement of various the articles for daily uses, refrigerator brings easily simultaneously to our life, there is also energy consumption high, noise is big, the various problems such as efficiency is low。
The refrigeration of refrigerator is dependent on what compressor work realized。Principle of Compressor Refrigeration, is by motion compresses refrigerant, makes refrigerant change between gaseous state and liquid condition, when liquid refrigeration medium reverts is gaseous state, can absorb substantial amounts of heat, thus reaching the purpose of refrigeration for refrigerator。When compressor is in suction condition, the valve plate in compressor seals, and the effect sealed directly affects the efficiency of compressor cooling。Valve plate is after early stage is processed, can there is substantial amounts of dust and impurity in machined surface, if these impurity can not be removed, during valve plate work, the closed type of sealing state can be affected, and sealing effectiveness is bad, can produce gas leakage, the efficiency of compressor cooling can be substantially reduced, do not reach the effect of refrigeration, consume the energy simultaneously, create again noise。
The traditional processing mode of valve plate scratch brushing is to be placed on by valve plate on the material road of through type, has hairbrush in the distribution of material both sides, road, and hairbrush is rotated by driven by motor, and is controlled advance and the retrogressing of hairbrush by Pneumatic straight units, thus reaching the purpose of scratch brushing。This processing mode adds man-hour, due to the rotation of hairbrush, brushes off the impurity on valve plate and dust, but owing to these dust are relatively fine, meeting is floating in atmosphere, even if plus vacuum cleaner, cannot guarantee that and clean out completely。Floating dust and impurity drop on work top, pollute the environment, it is also possible to be again adsorbed on valve plate face, make scratch brushing miss one's aim。
Summary of the invention
For the weak point existed in the problems referred to above, the present invention providesA kind of wet brush valve plate brush machine and processing method thereof, solve tradition processing sideMethod is producedRaw drawback, substantially increases the efficiency of production and processing。
In order to solve the problems referred to above, the present invention provides a kind of wet brush valve plate brush machine, including equipment body, filter, regulator cubicle and oil mist separator, wherein, described equipment body is provided with unit head assembly, material road assembly, wrong material detection components, feed channel assembly, discharging channel assembly and manipulation case, described feed channel assembly is arranged on the right-hand member of described equipment body, described discharging channel assembly is arranged on the left end of described equipment body, the middle part of described equipment body is provided with described material road assembly, one end of described material road assembly connects with described discharging channel assembly, the other end connects with described feed channel assembly, described material road assembly arranges wrong material detection components, described wrong material detection components is positioned at the left side of described feed channel assembly, described manipulation case is arranged on the lower end of described equipment body, described unit head assembly is connected with described material road assembly。
Preferably, described unit head assembly includes the first unit head assembly, the second unit head assembly, the 3rd unit head assembly and the 4th unit head assembly, described first unit head assembly and described second unit head assembly arrange identical, and described 3rd unit head assembly and described 4th unit head assembly arrange identical。
Preferably, described first unit head assembly and described 3rd unit head assembly all include servo deceleration motor, speed reducing pulley, ball-screw, line slideway, drive motor, power transmission shaft and scratch brushing hairbrush, described servo deceleration motor is arranged on the upper end of described unit head assembly, described ball-screw is connected with described servo deceleration motor by described speed reducing pulley, described ball-screw is connected with described drive motor, described drive motor lower end is provided with line slideway, and described drive motor is connected with described scratch brushing hairbrush by power transmission shaft。
Preferably, the described drive motor being arranged in described first unit head assembly includes the first drive motor and the second drive motor, the described line slideway being arranged in described first unit head assembly includes the first line slideway and the second line slideway, described first line slideway is arranged on the bottom of described first drive motor, and described second line slideway is arranged on the bottom of described second drive motor。
Preferably, described first drive motor and described second drive motor are separately positioned on the both sides of described ball-screw, and described scratch brushing hairbrush is connected with described material road component touch。
Preferably, the quantity of described scratch brushing hairbrush is 6。
The processing method of a kind of wet brush valve plate brush machine, wherein, comprises the following steps:
S10, valve plate to be processed is placed in feed well, has profile of tooth conveyer chain to drive valve plate to advance bottom feed well, make valve plate be in all the time on the position treating charging;
S20, charging cylinder promote valve plate to enter material road, once promote one, and valve plate once advances in material road;
Wrong material detection components on S30, feed channel, it does not have the valve plate placed in order can collect formulation region after being detected, wait and be placed again into processing;
S40, hairbrush rotate, and to precalculated position under the promotion of servo deceleration motor, after machining, scratch brushing hairbrush is return;
S50, the distribution of material both sides, road have six place's scratch brushing hairbrush, the wherein high pressure valve port of two position, place correspondence valve plates and low pressure valve port, and separately scratch brushing hairbrush is distributed on material both sides, road everywhere, by the control of spacing, it is ensured that valve plate surface can be covered by scratch brushing hairbrush;
After S60, valve plate scratch brushing complete top discharging channel, cylinder, by valve plate jacking blow tank, artificially collects post-treatment and completes。
Compared with prior art, the invention have the advantages that
ThisInventionThe scratch brushing processing of valve plate both side surface and height, base pressure valve port suitable in refrigerating compressor for refrigerator, thisInventionProcessing beat can reach 6 seconds/part, can effectively remove dust and the impurity on valve plate surface, reduce defective products rate, it may be achieved single two-machine operation, improve the automaticity of equipment, alleviate the labor intensity of operator, decrease labour cost spending。
Accompanying drawing explanation
Fig. 1It is embodiments of the invention structural representationsFigure
Fig. 2It is embodiments of the invention equipment body structural representationsFigure
Fig. 3It it is the unit head modular construction signal of the present inventionFigure
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction withAccompanying drawingWith example, the present invention is described in further detail, but example is not as a limitation of the invention。
Such as Fig. 1ExtremelyFig. 3Shown in, embodiments of the invention include equipment body 1, filter 2, regulator cubicle 3 and oil mist separator 4, wherein, equipment body 1 is provided with unit head assembly 1-1, material road assembly 1-2, wrong material detection components 1-3, feed channel assembly 1-4, discharging channel assembly 1-5 and manipulation case 1-6, feed channel assembly 1-4 is arranged on the right-hand member of equipment body 1, discharging channel assembly 1-5 is arranged on the left end of equipment body 1, the middle part of equipment body 1 is provided with material road assembly 1-2, one end of material road assembly 1-2 connects with discharging channel assembly 1-5, the other end connects with feed channel assembly 1-4, material road assembly 1-2 arranges wrong material detection components 1-3, wrong material detection components 1-3 is positioned at the left side of feed channel assembly 1-4, manipulation case 1-6 is arranged on the lower end of equipment body 1, unit head assembly 1-1 is connected with material road assembly 1-2。
Unit head assembly 1-1 includes the first unit head assembly, the second unit head assembly, the 3rd unit head assembly and the 4th unit head assembly, the first unit head assembly and the second unit head assembly and arranges identical, and the 3rd unit head assembly and the 4th unit head assembly arrange identical。
First unit head assembly and the 3rd unit head assembly all include servo deceleration motor 1-1-1, speed reducing pulley 1-1-2, ball-screw 1-1-3, line slideway 1-1-4, drive motor 1-1-5, power transmission shaft 1-1-6 and scratch brushing hairbrush 1-1-7, servo deceleration motor 1-1-1 is arranged on the upper end of unit head assembly 1-1, ball-screw 1-1-3 is connected with servo deceleration motor 1-1-1 by speed reducing pulley 1-1-2, ball-screw 1-1-3 is connected with drive motor 1-1-5, drive motor 1-1-5 lower end is provided with line slideway 1-1-4, drive motor 1-1-5 is connected with scratch brushing hairbrush 1-1-7 by power transmission shaft 1-1-6。The drive motor 1-1-5 being arranged in the first unit head assembly includes the first drive motor and the second drive motor, the line slideway 1-1-4 being arranged in the first unit head assembly includes the first line slideway and the second line slideway, first line slideway is arranged on the bottom of the first drive motor, and the second line slideway is arranged on the bottom of the second drive motor。First drive motor and the second drive motor are separately positioned on the both sides of ball-screw 1-1-3, and scratch brushing hairbrush 1-1-7 contacts connection with material road assembly 1-2。The quantity of scratch brushing hairbrush 1-1-7 is 6。
The processing method of a kind of wet brush valve plate brush machine, wherein, comprises the following steps:
S10, valve plate to be processed is placed in feed well, has profile of tooth conveyer chain to drive valve plate to advance bottom feed well, make valve plate be in all the time on the position treating charging;
S20, charging cylinder promote valve plate to enter material road, once promote one, and valve plate once advances in material road;
Wrong material detection components on S30, feed channel, it does not have the valve plate placed in order can collect formulation region after being detected, wait and be placed again into processing;
S40, hairbrush rotate, and to precalculated position under the promotion of servo deceleration motor, after machining, scratch brushing hairbrush is return;
S50, the distribution of material both sides, road have six place's scratch brushing hairbrush, the wherein high pressure valve port of two position, place correspondence valve plates and low pressure valve port, and separately scratch brushing hairbrush is distributed on material both sides, road everywhere, by the control of spacing, it is ensured that valve plate surface can be covered by scratch brushing hairbrush;
After S60, valve plate scratch brushing complete top discharging channel, cylinder, by valve plate jacking blow tank, artificially collects post-treatment and completes。
In the present embodiment, fly upward for conventional dry brush brushing regimen travel fatigue, the feature being not easily cleaned, flushing liquor is added when scratch brushing, namely the splashing of dust and impurity it is possible to prevent, can ensure that again the cleaning of work top, valve plate will not be caused secondary pollution, additionally it is possible to make the better effects if of valve plate surface scratch brushing simultaneously;The hairbrush of dry brush mode is connected directly between on electric machine main shaft, motor surface is dropped on after dust is easily floating, while changing wet brush into, drive motor is separated with scratch brushing hairbrush, strengthen the distance between drive motor and scratch brushing hairbrush, wherein plus power transmission shaft, adding protective cover outside scratch brushing hairbrush, when the purpose of do so is to prevent scratch brushing, flushing liquor is splashed on drive motor simultaneously, make drive motor make moist, whole table top can be made again spick-and-span;On the feeding mode of scratch brushing hairbrush, former mode is that cylinder promotes, and adopts now servo deceleration motor to drive, increase the shelf life of scratch brushing hairbrush, just can be controlled the amount of feeding of scratch brushing hairbrush by program, alleviate the amount of labour of operator, reduce the possible type that maloperation occurs。
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention。The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments。Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty。

Claims (7)

1. a wet brush valve plate brush machine, including equipment body, filter, regulator cubicle and oil mist separator, it is characterized in that, described equipment body is provided with unit head assembly, material road assembly, wrong material detection components, feed channel assembly, discharging channel assembly and manipulation case, described feed channel assembly is arranged on the right-hand member of described equipment body, described discharging channel assembly is arranged on the left end of described equipment body, the middle part of described equipment body is provided with described material road assembly, one end of described material road assembly connects with described discharging channel assembly, the other end connects with described feed channel assembly, described material road assembly arranges wrong material detection components, described wrong material detection components is positioned at the left side of described feed channel assembly, described manipulation case is arranged on the lower end of described equipment body, described unit head assembly is connected with described material road assembly。
2. wet brush valve plate brush machine as claimed in claim 1, it is characterized in that, described unit head assembly includes the first unit head assembly, the second unit head assembly, the 3rd unit head assembly and the 4th unit head assembly, described first unit head assembly and described second unit head assembly arrange identical, and described 3rd unit head assembly and described 4th unit head assembly arrange identical。
3. wet brush valve plate brush machine as claimed in claim 2, it is characterized in that, described first unit head assembly and described 3rd unit head assembly all include servo deceleration motor, speed reducing pulley, ball-screw, line slideway, drive motor, power transmission shaft and scratch brushing hairbrush, described servo deceleration motor is arranged on the upper end of described unit head assembly, described ball-screw is connected with described servo deceleration motor by described speed reducing pulley, described ball-screw is connected with described drive motor, described drive motor lower end is provided with line slideway, described drive motor is connected with described scratch brushing hairbrush by power transmission shaft。
4. wet brush valve plate brush machine as claimed in claim 3, it is characterized in that, the described drive motor being arranged in described first unit head assembly includes the first drive motor and the second drive motor, the described line slideway being arranged in described first unit head assembly includes the first line slideway and the second line slideway, described first line slideway is arranged on the bottom of described first drive motor, and described second line slideway is arranged on the bottom of described second drive motor。
5. wet brush valve plate brush machine as claimed in claim 4, it is characterised in that described first drive motor and described second drive motor are separately positioned on the both sides of described ball-screw, and described scratch brushing hairbrush is connected with described material road component touch。
6. wet brush valve plate brush machine as claimed in claim 5, it is characterised in that the quantity of described scratch brushing hairbrush is 6。
7. based on the processing method of the wet brush valve plate brush machine described in claim 1, it is characterised in that comprise the following steps:
S10, valve plate to be processed is placed in feed well, has profile of tooth conveyer chain to drive valve plate to advance bottom feed well, make valve plate be in all the time on the position treating charging;
S20, charging cylinder promote valve plate to enter material road, once promote one, and valve plate once advances in material road;
Wrong material detection components on S30, feed channel, it does not have the valve plate placed in order can collect formulation region after being detected, wait and be placed again into processing;
S40, hairbrush rotate, and to precalculated position under the promotion of servo deceleration motor, after machining, scratch brushing hairbrush is return;
S50, the distribution of material both sides, road have six place's scratch brushing hairbrush, the wherein high pressure valve port of two position, place correspondence valve plates and low pressure valve port, and separately scratch brushing hairbrush is distributed on material both sides, road everywhere, by the control of spacing, it is ensured that valve plate surface can be covered by scratch brushing hairbrush;
After S60, valve plate scratch brushing complete top discharging channel, cylinder, by valve plate jacking blow tank, artificially collects post-treatment and completes。
CN201610128087.XA 2016-03-07 2016-03-07 A kind of processing method of wet brush valve plate brush machine Active CN105689297B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610128087.XA CN105689297B (en) 2016-03-07 2016-03-07 A kind of processing method of wet brush valve plate brush machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610128087.XA CN105689297B (en) 2016-03-07 2016-03-07 A kind of processing method of wet brush valve plate brush machine

Publications (2)

Publication Number Publication Date
CN105689297A true CN105689297A (en) 2016-06-22
CN105689297B CN105689297B (en) 2019-03-15

Family

ID=56220295

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610128087.XA Active CN105689297B (en) 2016-03-07 2016-03-07 A kind of processing method of wet brush valve plate brush machine

Country Status (1)

Country Link
CN (1) CN105689297B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010234259A (en) * 2009-03-31 2010-10-21 Rayon Industrial Co Ltd Dust collector
CN202029018U (en) * 2011-01-26 2011-11-09 黄山市新先不锈钢材料制品有限公司 Steel brush washing polishing machine
CN103801525A (en) * 2014-03-17 2014-05-21 山东润峰集团新能源科技有限公司 Automatic piece brushing machine
CN204248589U (en) * 2014-11-26 2015-04-08 邢乃贵 A kind of glass grinding equipment
CN104646327A (en) * 2013-09-04 2015-05-27 长兴大宇科机电有限公司 Separating-brushing integrated machine for dense electrode plates in lead-acid batteries
CN204503679U (en) * 2015-01-20 2015-07-29 芜湖戎征达伺服驱动技术有限公司 A kind of aluminium alloy sheet cleaning plant
CN204711722U (en) * 2015-06-30 2015-10-21 高环 A kind of titanium alloy plate automatically grinding equipment
WO2015178383A1 (en) * 2014-05-19 2015-11-26 旭硝子株式会社 Cleaning device and cleaning method for cleaning slip sheet for glass plate, glass plate laminate, glass plate packaging, manufacturing method of slip sheet for glass plate, and slip sheet for glass plate
CN105234805A (en) * 2015-11-20 2016-01-13 超达阀门集团股份有限公司 Ball lapping machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010234259A (en) * 2009-03-31 2010-10-21 Rayon Industrial Co Ltd Dust collector
CN202029018U (en) * 2011-01-26 2011-11-09 黄山市新先不锈钢材料制品有限公司 Steel brush washing polishing machine
CN104646327A (en) * 2013-09-04 2015-05-27 长兴大宇科机电有限公司 Separating-brushing integrated machine for dense electrode plates in lead-acid batteries
CN103801525A (en) * 2014-03-17 2014-05-21 山东润峰集团新能源科技有限公司 Automatic piece brushing machine
WO2015178383A1 (en) * 2014-05-19 2015-11-26 旭硝子株式会社 Cleaning device and cleaning method for cleaning slip sheet for glass plate, glass plate laminate, glass plate packaging, manufacturing method of slip sheet for glass plate, and slip sheet for glass plate
CN204248589U (en) * 2014-11-26 2015-04-08 邢乃贵 A kind of glass grinding equipment
CN204503679U (en) * 2015-01-20 2015-07-29 芜湖戎征达伺服驱动技术有限公司 A kind of aluminium alloy sheet cleaning plant
CN204711722U (en) * 2015-06-30 2015-10-21 高环 A kind of titanium alloy plate automatically grinding equipment
CN105234805A (en) * 2015-11-20 2016-01-13 超达阀门集团股份有限公司 Ball lapping machine

Also Published As

Publication number Publication date
CN105689297B (en) 2019-03-15

Similar Documents

Publication Publication Date Title
CN109108799A (en) A kind of polish brush for glass surface
CN106382784A (en) Refrigerator with automatic cleaning and drying functions
CN112850614A (en) Efficient filling machine for processing clothes detergent and processing technology thereof
CN107212443B (en) Efficient fruit cleaning device
CN109794464B (en) Cleaning device of jig is used in a kind of machining
CN208729524U (en) A kind of dust cleaning plant of Production of bearing
CN205393043U (en) Wet brush valve plate brush machine
CN105689297A (en) Wet brush type valve plate brushing machine and processing method thereof
CN111112172B (en) Cleaning device for silicon wafer processing
CN203990095U (en) A kind of filtering core cleaning assembly
CN207899842U (en) A kind of rotary ejection type canned food cleaning device
CN206716568U (en) A kind of circuit board press suction nozzle cleaner
CN204657015U (en) Diode automatic flushing device
CN209503645U (en) A kind of machinery production processing unit (plant)
CN205286274U (en) Chopsticks cleaning box
CN213255788U (en) Automatic dust extraction of household paper processing equipment
CN212944287U (en) Machined part cleaning device for machining convenient to use
CN211614364U (en) Machine part drilling equipment
CN211538700U (en) Automatic cleaning and drying mechanism of intelligent face cleaning instrument
CN209322239U (en) A kind of elevator wire rope surface cleaning lubricating arrangement
CN207616282U (en) A kind of bearing of compressor processing clearing apparatus
CN208960509U (en) A kind of ultrasonic cleaning apparatus
CN105834159A (en) Cleaning line for crankcases
CN207206002U (en) A kind of cutting tool dulling machine for improving passivation effect
CN205762566U (en) A kind of crankcase cleans line

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20160622

Assignee: Changshu Desheng Financial Leasing Co.,Ltd.

Assignor: HEBEI AEROSPACE ZHENBANG PRECISION MACHINERY Co.,Ltd.

Contract record no.: X2023980043400

Denomination of invention: A Processing Method for Wet Brush Valve Plate Polishing Machine

Granted publication date: 20190315

License type: Exclusive License

Record date: 20231016

EE01 Entry into force of recordation of patent licensing contract
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A Processing Method for Wet Brush Valve Plate Polishing Machine

Effective date of registration: 20231018

Granted publication date: 20190315

Pledgee: Changshu Desheng Financial Leasing Co.,Ltd.

Pledgor: HEBEI AEROSPACE ZHENBANG PRECISION MACHINERY Co.,Ltd.

Registration number: Y2023980061654

PE01 Entry into force of the registration of the contract for pledge of patent right