CN108941253A - A kind of levelling machine - Google Patents

A kind of levelling machine Download PDF

Info

Publication number
CN108941253A
CN108941253A CN201810948981.0A CN201810948981A CN108941253A CN 108941253 A CN108941253 A CN 108941253A CN 201810948981 A CN201810948981 A CN 201810948981A CN 108941253 A CN108941253 A CN 108941253A
Authority
CN
China
Prior art keywords
cleaning
roll
rotation axis
levelling machine
casing
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.)
Pending
Application number
CN201810948981.0A
Other languages
Chinese (zh)
Inventor
何胜平
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.)
China Cast New Material Industry (jiangsu) Co Ltd
Original Assignee
China Cast New Material Industry (jiangsu) 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 China Cast New Material Industry (jiangsu) Co Ltd filed Critical China Cast New Material Industry (jiangsu) Co Ltd
Priority to CN201810948981.0A priority Critical patent/CN108941253A/en
Publication of CN108941253A publication Critical patent/CN108941253A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/02Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools, brushes, or analogous members
    • B08B1/001Cleaning by methods involving the use of tools, brushes, or analogous members characterised by the type of cleaning tool
    • B08B1/002Brushes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools, brushes, or analogous members
    • B08B1/02Cleaning travelling work, e.g. a web, articles on a conveyor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • B08B3/022Cleaning travelling work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • B21D3/05Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work

Abstract

The present invention relates to refractory material technical field of processing equipment, specially a kind of levelling machine, including levelling machine, external water pipe, cleaning brush, roll body rotation axis, card slot and fixing groove, cleaning device casing is fixed on the inside of the left end of the levelling machine, the external water pipe is connected with fountain head, the right side of fountain head is arranged in the cleaning brush, and the inside right end of cleaning device casing is arranged in cleaning brush, the roll body rotation axis is mounted on the inside of levelling machine, the card slot is provided with the surface of swingle, and the upper end of cleaning block is provided in card slot, block is cleared up simultaneously to be arranged between two roll body rotation axis, the fixing groove is provided with the upper end of cleaning block, and fixing groove is internally provided with reset spring, fixing groove is connected by reset spring with movable block simultaneously., convenient for the levelling machine cleaned, cleaning block is arranged in the hole between roll body rotation axis for this, when the operation of roll body rotation axis, generates and rubs with cleaning block, clear up the pollution on roll body rotation axis surface.

Description

A kind of levelling machine
Technical field
The present invention relates to refractory material technical field of processing equipment, specially a kind of levelling machine.
Background technique
Levelling machine is provided with upper die and lower die, and wherein upper die is fixed on the push rod of hydraulic cylinder, hydraulic cylinder body It is fixed to be each provided with independent cooling water channel in upper die and lower die on the support frame, the outlet of the cooling water channel and enter Mouth is located at the upper of upper die or lower die, radius/centers of at least preceding 5 rollers since levelling machine entrance away from the ratio between with Traditional levelling machine it is identical, and radius/center of at least last 5 rollers since levelling machine entrance away from the ratio between disappear with curling It is close except machine, and it is advantageous that, center between levelling machine intermediate calender rolls, can be in cooling same of rapid quenching away from increase When, erosion of the impurity to cutter or cutter blank is avoided, to guarantee the surface of cutter or cutter blank and the quality of hardness structure, is kept away Exempt from the pollution of cooling oil, current levelling machine does not have cleaning function mostly, manpower is needed to be cleaned, and cleaning is inconvenient, Smoothing material can not also be cleaned, smoothing the pollution on material can have an adverse effect to smoothing result.In view of the above-mentioned problems, Innovative design is carried out on the basis of original levelling machine.
Summary of the invention
The purpose of the present invention is to provide a kind of levelling machines, to solve to propose most of school now in above-mentioned background technique Flat machine, does not have cleaning function, and manpower is needed to be cleaned, and cleaning is inconvenient, can not also clean to smoothing material, smooth material On pollution can to smoothing result have an adverse effect the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of levelling machine, including levelling machine, external water pipe, The left end inside of cleaning brush, roll body rotation axis, card slot and fixing groove, the levelling machine is fixed with cleaning device casing, and cleans The inside left-end of apparatus housing is provided with scraper plate, while fountain head is provided on the inside of cleaning device casing, the external water pipe It is connected with fountain head, and the outside of cleaning device casing is arranged in external water pipe, while the right side of scraper plate is arranged in fountain head, The right side of fountain head is arranged in the cleaning brush, and the inside right end of cleaning device casing is arranged in cleaning brush, and the roll body turns Moving axis is mounted on the inside of levelling machine, and levelling machine is fixedly arranged above fixed plate, while sliding slot is offered in fixed plate, described Sliding slot is internally provided with connecting rod, and connecting rod is connected with swingle, while the inside of fixed plate, institute is arranged in swingle The surface that card slot is provided with swingle is stated, the upper end of the cleaning block is arranged on the inside of card slot, and clears up block and be arranged in two rollers Between body rotation axis, the fixing groove is provided with the upper end of cleaning block, and fixing groove is internally provided with reset spring, solid simultaneously Determine slot and is connected by reset spring with movable block.
Preferably, there are two the cleaning device casing, scraper plate and cleaning brush are respectively provided with, and cleaning device casing, scraper plate, Fountain head and cleaning brush are symmetrical about the medium line of levelling machine, at the same the length of cleaning device casing, the length of scraper plate and Equal length of the length of cleaning brush with roll body rotation axis.
Preferably, the roll body rotation axis is provided with two groups, and there are five every group of roll body rotation axis settings, while 2 groups Roll body rotation axis corresponds.
Preferably, the connecting rod constitutes slide construction by fixed plate and sliding slot, and the length of sliding slot turns greater than roll body The length of moving axis.
Preferably, the swingle and connecting rod are rotation connection, and the length of swingle is greater than first roll body rotation Axis center point is the distance between to last roll body rotation axis central point.
Preferably, the fixing groove constitutes stretching structure by reset spring and movable block, and fixing groove is on swingle It is equally distributed, while movable block is to be connected together with card slot.
Compared with prior art, the beneficial effects of the present invention are: the levelling machine of cleaning should be convenient for,
(1) cleaning device casing is installed in the inlet of levelling machine, when smoothing material enters, scraper plate can scrape off smoothing material Then surface contamination is cleaned by fountain head, be finally cleaned brush and cleared up, removal on smoothing result it is influential because Element improves the planarization of smoothing material, and smoothing material is also avoided to pollute levelling machine;
(2) cleaning block is arranged in the hole between roll body rotation axis, when the operation of roll body rotation axis, rubs with cleaning block generation It wipes, the pollution on roll body rotation axis surface is cleared up;
(3) fixing groove constitutes stretching structure by reset spring and movable block, pulls cleaning block, movable block is made to pass through reset spring Compression movement is carried out with fixing groove, until cleaning block is separated with swingle, it is convenient that cleaning block is carried out clearly convenient for taking-up cleaning block It washes.
Detailed description of the invention
Fig. 1 is side elevational cross-section structural schematic diagram of the present invention;
Fig. 2 is positive structure diagram of the present invention;
Fig. 3 is enlarged structure schematic diagram at A in Fig. 1 of the present invention;
Fig. 4 is enlarged structure schematic diagram at B in Fig. 1 of the present invention.
In figure: 1, levelling machine, 2, cleaning device casing, 3, scraper plate, 4, fountain head, 5, external water pipe, 6, cleaning brush, 7, roller Body rotation axis, 8, fixed plate, 9, sliding slot, 10, connecting rod, 11, swingle, 12, card slot, 13, cleaning block, 14, fixing groove, 15, Reset spring, 16, movable block.
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.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of levelling machine, including levelling machine 1, cleaning device machine Shell 2, scraper plate 3, fountain head 4, external water pipe 5, cleaning brush 6, roll body rotation axis 7, fixed plate 8, sliding slot 9, connecting rod 10, swingle 11, the left end inside of card slot 12, cleaning block 13, fixing groove 14, reset spring 15 and movable block 16, levelling machine 1 is fixed with cleaning Apparatus housing 2, and the inside left-end of cleaning device casing 2 is provided with scraper plate 3, while the inside of cleaning device casing 2 is provided with Fountain head 4, external water pipe 5 are connected with fountain head 4, and the outside of cleaning device casing 2 is arranged in external water pipe 5, sprays simultaneously The right side of scraper plate 3 is arranged in head 4, and the right side of fountain head 4 is arranged in cleaning brush 6, and cleaning brush 6 is arranged in cleaning device casing 2 inside right end, roll body rotation axis 7 be mounted on the inside of levelling machine 1, and levelling machine 1 is fixedly arranged above fixed plate 8, simultaneously Sliding slot 9 is offered in fixed plate 8, sliding slot 9 is internally provided with connecting rod 10, and connecting rod 10 is connected with swingle 11, together When swingle 11 inside of fixed plate 8 is set, card slot 12 is provided with the surface of swingle 11, and the upper end setting of cleaning block 13 exists 12 inside of card slot, and clear up block 13 and be arranged between two roll body rotation axis 7, fixing groove 14 is provided with the upper end of cleaning block 13, And fixing groove 14 is internally provided with reset spring 15, while fixing groove 14 is connected by reset spring 15 with movable block 16.
There are two the cleaning device casing 2, scraper plate 3 and cleaning brush 6 of this example are respectively provided with, and cleaning device casing 2, scraper plate 3, Fountain head 4 and cleaning brush 6 are symmetrical about the medium line of levelling machine 1, while the length of cleaning device casing 2, scraper plate 3 The equal length of length and the length of cleaning brush 6 with roll body rotation axis 7 sufficiently clears up smoothing material.
Roll body rotation axis 7 is provided with two groups, and there are five every group of settings of roll body rotation axis 7, while 2 groups of roll body rotation axis 7 correspond, and improve the planarization of smoothing material.
Connecting rod 10 constitutes slide construction by fixed plate 8 and sliding slot 9, and the length of sliding slot 9 is greater than roll body rotation axis 7 Length, the position of swingle 11 easy to remove, sufficiently cleans the surface of roll body rotation axis 7.
Swingle 11 and connecting rod 10 are rotation connection, and the length of swingle 11 is greater than in first roll body rotation axis 7 Heart point is the distance between to 7 central point of a last roll body rotation axis, convenient for cleaning to whole roll body rotation axis 7.
Fixing groove 14 constitutes stretching structure by reset spring 15 and movable block 16, and fixing groove 14 is on swingle 11 Equidistantly distributed, while movable block 16 is to be connected together with card slot 12, cleaning block 13 easy to disassemble, improves the steady of cleaning block 13 It is qualitative.
Working principle: swingle 11 and connecting rod 10 rotate swingle 11, cleaning block 13 are made to enter roll body to be rotatablely connected In hole between rotation axis 7, then powering on, starts levelling machine 1, the roll body rotation axis 7 on levelling machine 1 is rotated, It rubs simultaneously with cleaning block 13, removes the pollution on 7 surface of roll body rotation axis, connecting rod 10 passes through sliding slot 9 and 8 structure of fixed plate At slide construction, mobile connection bar 10 causes swingle 11 to be moved, to make to clear up block 13 also therewith in roll body rotation axis It is moved between 7 hole, convenient for comprehensively clearing up roll body rotation axis 7, avoids accumulating since long-time is placed Pollution to levelling machine 1 smoothing have an impact, close levelling machine 1, rotate swingle 11, make clear up block 13 leave roll body rotation axis Hole between 7 pulls cleaning block 13, squeezes movable block 16 with reset spring 15 under the effect of external force, make to reset Spring 15 is compressed, and movable block 16 and card slot 12 are detached from, until cleaning block 13 leaves swingle 11, it is convenient to cleaning block 13 into Row cleaning, restarts levelling machine 1, the material smoothed will be needed to be put into from inlet, due to scraper plate 3, fountain head 4 and cleaning brush 6 Bottom of the bottom with roll body rotation axis 7 in same level, when smoothing material and entering, scraper plate 3 can scrape off smoothing material Expect surface contamination, water is passed through from external water pipe 5 into fountain head 4, is sprayed from fountain head 4 and is cleaned to smoothing material, most After be cleaned brush and 6 cleared up, be conducive to removal to the influential factor of smoothing result, improve the accuracy of smoothing, avoid school For flat material to polluting inside levelling machine 1, smoothing material carries out school under the action of roll body rotation axis 7 after entering levelling machine 1 Flat, here it is the application methods of the levelling machine convenient for cleaning.
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 levelling machine, including levelling machine (1), external water pipe (5), cleaning brush (6), roll body rotation axis (7), card slot (12), Clear up block (13) and fixing groove (14), it is characterised in that: be fixed with cleaning device casing on the inside of the left end of the levelling machine (1) (2), and the inside left-end of cleaning device casing (2) is provided with scraper plate (3), while being provided on the inside of cleaning device casing (2) Fountain head (4), the external water pipe (5) are connected with fountain head (4), and external water pipe (5) is arranged in cleaning device casing (2) Outside, while fountain head (4) setting, on the right side of scraper plate (3), the cleaning brush (6) is arranged on the right side of fountain head (4), and The inside right end in cleaning device casing (2) is arranged in cleaning brush (6), and the roll body rotation axis (7) is mounted on the interior of levelling machine (1) Portion, and levelling machine (1) is fixedly arranged above fixed plate (8), while sliding slot (9) are offered in fixed plate (8), the sliding slot (9) Be internally provided with connecting rod (10), and connecting rod (10) is connected with swingle (11), while swingle (11) setting is solid The inside of fixed board (8), the card slot (12) are provided with the surface of swingle (11), and the upper end of cleaning block (13) is arranged in card It on the inside of slot (12), and clears up block (13) and is arranged between two roll body rotation axis (7), the fixing groove (14) is provided with cleaning block (13) upper end, and fixing groove (14) is internally provided with reset spring (15), while fixing groove (14) passes through reset spring (15) it is connected with movable block (16).
2. a kind of levelling machine according to claim 1, it is characterised in that: the cleaning device casing (2), scraper plate (3) and There are two cleaning brush (6) is respectively provided with, and cleaning device casing (2), scraper plate (3), fountain head (4) and cleaning brush (6) are about smoothing The medium line of machine (1) is symmetrical, while the length of the length of cleaning device casing (2), the length of scraper plate (3) and cleaning brush (6) Spend the equal length with roll body rotation axis (7).
3. a kind of levelling machine according to claim 1, it is characterised in that: the roll body rotation axis (7) is provided with two groups, and There are five every group of roll body rotation axis (7) settings, while 2 groups of roll body rotation axis (7) corresponds.
4. a kind of levelling machine according to claim 1, it is characterised in that: the connecting rod (10) by fixed plate (8) with Sliding slot (9) constitutes slide construction, and the length of sliding slot (9) is greater than the length of roll body rotation axis (7).
5. a kind of levelling machine according to claim 1, it is characterised in that: the swingle (11) and connecting rod (10) are to turn Dynamic connection, and the length of swingle (11) is greater than first roll body rotation axis (7) central point to a last roll body rotation axis (7) The distance between central point.
6. a kind of levelling machine according to claim 1, it is characterised in that: the fixing groove (14) passes through reset spring (15) Stretching structure is constituted with movable block (16), and fixing groove (14) is equally distributed on swingle (11), while movable block It (16) is to be connected together with card slot (12).
CN201810948981.0A 2018-08-20 2018-08-20 A kind of levelling machine Pending CN108941253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810948981.0A CN108941253A (en) 2018-08-20 2018-08-20 A kind of levelling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810948981.0A CN108941253A (en) 2018-08-20 2018-08-20 A kind of levelling machine

Publications (1)

Publication Number Publication Date
CN108941253A true CN108941253A (en) 2018-12-07

Family

ID=64469775

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810948981.0A Pending CN108941253A (en) 2018-08-20 2018-08-20 A kind of levelling machine

Country Status (1)

Country Link
CN (1) CN108941253A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111633148A (en) * 2020-05-18 2020-09-08 桑莱特成都西航港电气制造有限公司 Multifunctional processing device for copper-coated steel grounding material

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS270455B1 (en) * 1988-06-20 1990-06-13 Kamelander Ivan Device for surface cleaning straightening machine's working rolls
CN202185458U (en) * 2011-06-16 2012-04-11 佛山宝钢不锈钢加工配送有限公司 Online automatic roll cleaning device
CN203541153U (en) * 2013-08-05 2014-04-16 太仓市旭冉机械有限公司 Automatic steel plate leveler
CN203972352U (en) * 2014-06-19 2014-12-03 天津捷金金属制品有限公司 A kind of apparatus for leveling with cleaning mechanism
CN205128459U (en) * 2015-11-09 2016-04-06 合肥晓阳工贸有限公司 Automatic cleaning device of transmission deflector roll
CN205165420U (en) * 2015-11-26 2016-04-20 浙江华顺金属材料有限公司 Roller body cleaning device
CN206184811U (en) * 2016-06-30 2017-05-24 江西江冶实业有限公司 Copper strips belt cleaning device with function flattens
CN206444922U (en) * 2016-11-01 2017-08-29 无锡市东方机器厂有限公司 A kind of automatic flushing device of levelling machine
CN206951822U (en) * 2017-03-30 2018-02-02 天津润成铁塔制造有限公司 A kind of rolled steel plate 11 roller levelling machine of steel tower production
CN207288134U (en) * 2017-05-22 2018-05-01 浙江商业职业技术学院 A kind of device for being used to clean liquid crystal panel

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS270455B1 (en) * 1988-06-20 1990-06-13 Kamelander Ivan Device for surface cleaning straightening machine's working rolls
CN202185458U (en) * 2011-06-16 2012-04-11 佛山宝钢不锈钢加工配送有限公司 Online automatic roll cleaning device
CN203541153U (en) * 2013-08-05 2014-04-16 太仓市旭冉机械有限公司 Automatic steel plate leveler
CN203972352U (en) * 2014-06-19 2014-12-03 天津捷金金属制品有限公司 A kind of apparatus for leveling with cleaning mechanism
CN205128459U (en) * 2015-11-09 2016-04-06 合肥晓阳工贸有限公司 Automatic cleaning device of transmission deflector roll
CN205165420U (en) * 2015-11-26 2016-04-20 浙江华顺金属材料有限公司 Roller body cleaning device
CN206184811U (en) * 2016-06-30 2017-05-24 江西江冶实业有限公司 Copper strips belt cleaning device with function flattens
CN206444922U (en) * 2016-11-01 2017-08-29 无锡市东方机器厂有限公司 A kind of automatic flushing device of levelling machine
CN206951822U (en) * 2017-03-30 2018-02-02 天津润成铁塔制造有限公司 A kind of rolled steel plate 11 roller levelling machine of steel tower production
CN207288134U (en) * 2017-05-22 2018-05-01 浙江商业职业技术学院 A kind of device for being used to clean liquid crystal panel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111633148A (en) * 2020-05-18 2020-09-08 桑莱特成都西航港电气制造有限公司 Multifunctional processing device for copper-coated steel grounding material
CN111633148B (en) * 2020-05-18 2022-03-29 桑莱特成都西航港电气制造有限公司 Multifunctional processing device for copper-coated steel grounding material

Similar Documents

Publication Publication Date Title
CN110640616B (en) Cylinder honing machine with function of cleaning workpiece
CN108941253A (en) A kind of levelling machine
CN110777524B (en) Cloth dust collector is used in gas mould processing
CN208728324U (en) A kind of surface degreasing device of band
CN208452962U (en) A kind of brush for car being conveniently replaceable brush head
CN201150931Y (en) Roll surface cleaning device
CN211330394U (en) Compression roller scrubbing box
CN211100877U (en) Leveling machine
CN204711722U (en) A kind of titanium alloy plate automatically grinding equipment
CN210286133U (en) Tension adjusting device for winding machine
CN209697544U (en) A kind of cleaning device of print roller
CN209649751U (en) A kind of structure-improved chip removing device for flexible printing machine
CN109676500B (en) Efficient steel wire surface treatment equipment
CN207981893U (en) One kind being convenient for clean plank evener
CN206049019U (en) Wet cloth formula rubber blanket of printing machine automatic washing system
CN205272853U (en) Roller printing machine
CN209736142U (en) Novel roller wiping mechanism for battery pole piece rolling mill
CN211275276U (en) Band steel surface oil coating and oiling device
CN214290084U (en) High performance almag welding wire production wire drawing belt cleaning device
CN203484410U (en) Wiper for surface of roller of cold-rolled sheet planisher set
CN203972355U (en) Roller surface cleaning device
CN211307920U (en) Printing roller cleaning mechanism for printing equipment
CN215512866U (en) Printing roller's belt cleaning device
CN216174571U (en) Automatic roll surface cleaning device
CN206443666U (en) A kind of cleaning wiping arrangement of strip mop

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181207