CN210546010U - Rust-proof treatment device for rubber roll shaft - Google Patents

Rust-proof treatment device for rubber roll shaft Download PDF

Info

Publication number
CN210546010U
CN210546010U CN201920903982.3U CN201920903982U CN210546010U CN 210546010 U CN210546010 U CN 210546010U CN 201920903982 U CN201920903982 U CN 201920903982U CN 210546010 U CN210546010 U CN 210546010U
Authority
CN
China
Prior art keywords
transmission
rubber roller
antirust liquid
antirust
shaft
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
CN201920903982.3U
Other languages
Chinese (zh)
Inventor
陈立群
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.)
Oak Technology Industry Suzhou Co ltd
Original Assignee
Oak Technology Industry Suzhou 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 Oak Technology Industry Suzhou Co ltd filed Critical Oak Technology Industry Suzhou Co ltd
Priority to CN201920903982.3U priority Critical patent/CN210546010U/en
Application granted granted Critical
Publication of CN210546010U publication Critical patent/CN210546010U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses an antirust treatment device for a rubber roller shaft, which comprises an antirust solution soaking tank, wherein the antirust solution soaking tank is butted with a discharge end of a machining center and is internally filled with antirust solution; the roll shaft collecting groove is positioned on the opposite side of the discharging end and is used for containing the roll shaft subjected to the rust prevention treatment; the transmission mechanism is arranged in the antirust liquid soaking tank and can fish the rubber roller shafts out of the antirust liquid one by one and transmit the rubber roller shafts to the top of the antirust liquid soaking tank so as to drain the antirust liquid on the surfaces of the rubber roller shafts; and the guide mechanism is in butt joint with the transmission mechanism, takes out the rubber roller after the antirust liquid is drained from the transmission mechanism, and guides the rubber roller to the roller collecting tank. The utility model discloses under the prerequisite that does not need artifical and antirust liquid contact, carry out soaking, driping and the vanning of roller automatically, not only work efficiency is high, reduces the loss of antirust liquid moreover by a wide margin, reduce cost, simultaneously, simple structure, it is convenient to implement.

Description

Rust-proof treatment device for rubber roll shaft
Technical Field
The utility model belongs to rubber roller processing equipment field, concretely relates to rust-resistant processing apparatus of rubber roller.
Background
The grinding processing of the centerless grinding machine is a common mode for producing high-precision roller shafts, the post-treatment and collection of the processed products in the process are indispensable links in the production process, and the general method is as follows: the roll shaft is led out of the machine body by the conveying belt, and the material trays are gathered and placed; off-line manual cleaning and draining are needed; then soaking in antirust liquid for antirust treatment, and finally taking out and packing.
The operation flow occupies more man-hour; the generation amount of the cleaning solvent waste liquid is large, and dripping is generated in the operation; the human body contacts with the solvent, which brings health hazard; off-line operation, prolonged production period and large occupied space.
At present, a belt after a roller shaft is ground is conveyed to be dead-weight rolled off, is gathered and placed in a material tray, is manually taken, cleaned and drained (off-line operation is needed), is manually soaked in antirust liquid, and is taken out after being soaked, placed and boxed. However, after the antirust liquid is taken out, the surface of the roller shaft can adsorb a large amount of antirust liquid, and if the antirust liquid is not drained, a large amount of antirust liquid is contained in a packaged box, so that the antirust liquid is wasted, the roller shaft is not favorable for taking materials one by one in subsequent processing of the roller shaft (because a plurality of roller shafts are easily bonded together), and meanwhile, the manual work is in contact with the cleaning agent and the antirust liquid for a long time, and certain occupational hazards are caused.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art not enough, provide a rust-resistant processing apparatus of brand-new rubber roller.
For solving the technical problem, the utility model discloses a following technical scheme:
an antirust treatment device for a rubber roller shaft, comprising:
the antirust liquid soaking tank is butted with the discharge end of the machining center, and the antirust liquid is filled in the antirust liquid soaking tank;
the roll shaft collecting groove is positioned on the opposite side of the discharging end and is used for containing the roll shaft subjected to the rust prevention treatment;
the transmission mechanism is arranged in the antirust liquid soaking tank and can fish the rubber roller shafts out of the antirust liquid one by one and transmit the rubber roller shafts to the top of the antirust liquid soaking tank so as to drain the antirust liquid on the surfaces of the rubber roller shafts;
and the guide mechanism is in butt joint with the transmission mechanism, takes out the rubber roller after the antirust liquid is drained from the transmission mechanism, and guides the rubber roller to the roller collecting tank.
Preferably, the transmission mechanism comprises at least two groups of annular conveying chain wheels which are arranged side by side and are separated from each other, hook members arranged on each group of annular conveying chain wheels, and a driving member for driving the annular conveying chain wheels to synchronously rotate, wherein the annular conveying chain wheels are obliquely arranged from top to bottom, and the lower parts of the annular conveying chain wheels are arranged close to the discharge ends and are positioned below the liquid level of the antirust liquid in the antirust liquid soaking tank; the upper part is close to the roll shaft collecting tank and is positioned above the liquid level of the antirust liquid.
According to a specific implementation and preferred aspect of the utility model, there are two sets of annular conveying chain wheels, each set of annular conveying chain wheel comprises a transmission gear positioned on the upper part, a driven gear positioned on the lower part and a transmission chain sleeved on the transmission gear and the driven gear, two adjacent transmission gears are rotatably connected on two opposite sides of the antirust liquid soaking tank through a transmission shaft, two adjacent driven gears are rotatably connected on two opposite sides of the antirust liquid soaking tank through a connecting shaft, the number of hook pieces is multiple and are uniformly distributed around the circumferential direction of the transmission chain, and the hook pieces on two adjacent transmission chains are arranged in a one-to-one correspondence manner; the driving piece is used for driving the transmission shaft or the connecting shaft to rotate.
Preferably, the transmission gear can move and adjust the arrangement along the length direction of the transmission shaft; the driven gear can move along the length direction of the connecting shaft to be adjusted. So as to meet the transmission of the roller shafts with different lengths.
According to the utility model discloses a still another concrete implementation and preferred aspect, hook piece includes on corresponding each outer chain link of drive chain and to the outer separation blade that extends of drive chain, and the separation blade on two adjacent outer chain links and the interior chain link that corresponds the connection form a hook district, and when fishing for the rubber roller, the rubber roller erects in the both sides aligned hook district from both ends.
Preferably, two side pieces of each outer chain link are respectively provided with a baffle plate, and the baffle plates are perpendicular to the side pieces of the outer chain links.
According to the utility model discloses a still another concrete implementation and preferred aspect, guiding mechanism including having two top-down slopes and set up the guide bar side by side at least, wherein the upper surface of two or many guide bars flushes the transmission face that forms the slope, the upper end and the transmission shaft of every guide bar rotate relatively and are connected, lower tip can be dismantled ground and fix a position in the side reason of roller collecting vat, when hook gets rubber roller and progressively gets close to the transmission face, transmission face and corresponding on hook piece rubber roller contact and along with hook piece's motion is progressively ejecting, under the dead weight, rubber roller along the slope transmission face roll fall to roller collecting vat.
Preferably, the number of the material guide rods is two, and the two material guide rods are correspondingly arranged on the opposite outer sides of the two groups of annular conveying chain wheels.
Preferably, the upper end part of the guide rod is movably and adjustably arranged on the transmission shaft; the lower end part of the guide rod is erected on the side edge of the roll shaft collecting tank and extends towards the inside of the roll shaft collecting tank.
The upper end of the conveying surface is located directly above the rust preventive solution immersion tank. The redundant antirust liquid on the surface of the roll shaft can be prevented from being drained back to the antirust liquid soaking tank, and the waste of the antirust liquid is reduced.
Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:
the utility model discloses under the prerequisite that does not need artifical and antirust liquid contact, carry out soaking, driping and the vanning of roller automatically, not only work efficiency is high, reduces the loss of antirust liquid moreover by a wide margin, reduce cost, simultaneously, simple structure, it is convenient to implement.
Drawings
FIG. 1 is a schematic structural view of an anti-rust treatment apparatus according to the present invention;
FIG. 2 is a schematic top view of FIG. 1;
wherein: 1. a rust-proof liquid soaking tank; 2. a roll shaft collecting tank; 3. a transmission mechanism; 30. an endless transfer sprocket; 300. a transmission gear; 301. a driven gear; 302. a drive chain; 303. a drive shaft; 304. a connecting shaft; a. an outer link; b. an inner link; 31. a hook member; 310. a baffle plate; 32. a drive member; 4. a guide mechanism; 40. a material guiding rod; G. a rubber roller shaft (roll shaft); and Q, hooking areas.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
As shown in fig. 1, the rust-proofing treatment device for a rubber roller according to the present embodiment includes a rust-proofing solution soaking tank 1, a roller collecting tank 2, a transmission mechanism 3, and a guide mechanism 4.
Specifically, the antirust liquid soaking tank 1 is in butt joint with a discharge end of a machining center and is filled with antirust liquid.
In this example, the rust preventive solution immersion tank 1 is a rectangular body having an opening at the top.
The roll shaft collecting groove 2 is located on the opposite side of the discharge end of the machining center and used for containing a rubber roll shaft G subjected to rust prevention treatment.
And the transmission mechanism 3 is arranged in the antirust liquid soaking tank 1 and can take out the rubber roller shaft G from the antirust liquid one by one and transmit the rubber roller shaft G to the top of the antirust liquid soaking tank 1 so as to drain the antirust liquid on the surface of the rubber roller shaft.
And the guide mechanism 4 is in butt joint with the transmission mechanism 3, takes out the rubber roller G subjected to antirust liquid draining from the transmission mechanism 3 and guides the rubber roller G to the roller collecting tank 2.
Referring to fig. 2, the transmission mechanism 3 includes two sets of spaced apart endless conveyor sprockets 30 arranged side by side, hook members 31 arranged on each set of the endless conveyor sprockets 30, and a driving member 32 for driving the endless conveyor sprockets 30 to rotate synchronously.
The annular conveying chain wheel 30 is obliquely arranged from top to bottom, wherein the lower part of the annular conveying chain wheel is arranged close to the discharge end and is positioned below the liquid level of the antirust liquid in the antirust liquid soaking tank 1; the upper part is close to the roll shaft collecting tank 2 and is positioned above the liquid level of the antirust liquid.
In this example, each set of the endless transmission sprockets 30 includes a transmission gear 300 located at the upper portion, a driven gear 301 located at the lower portion, and a transmission chain 302 sleeved on the transmission gear 300 and the driven gear 301, two adjacent transmission gears 300 are rotatably connected to two opposite sides of the antirust liquid soaking tank 1 through a transmission shaft 303, and two adjacent driven gears 301 are rotatably connected to two opposite sides of the antirust liquid soaking tank 1 through a connection shaft 304.
The hook members 31 are uniformly distributed around the circumferential direction of the transmission chains 302, and the hook members 31 on two adjacent transmission chains 302 are arranged in a one-to-one correspondence manner; the driving member 32 is used for driving the transmission shaft 303 to rotate.
The transmission gear 300 can move and be adjusted along the length direction of the transmission shaft 303; the driven gear 301 can be moved along the length of the connecting shaft 304. So as to meet the transmission of the roller shafts with different lengths.
The hook member 31 includes a blocking piece 310 corresponding to each outer link a of the transmission chain 302 and extending outward from the transmission chain 302, the blocking pieces of two adjacent outer links a and the correspondingly connected inner links b form a hooking area Q, and when the rubber roller shaft G is fished, the rubber roller shaft G is erected in the hooking areas Q with two aligned sides from two ends.
The two side pieces of each outer chain link a are respectively provided with a baffle 310, and the baffle 310 is perpendicular to the side piece of the outer chain link a.
The guiding mechanism 4 comprises two guide rods 40 which are inclined from top to bottom and are arranged side by side, wherein the upper surfaces of the two guide rods 40 are flush to form an inclined conveying surface.
The upper end of each guide rod 40 is connected with the transmission shaft 303 in a relative rotating mode, the lower end of each guide rod can be detachably positioned at the side edge of the roller shaft collecting groove 2, when the hook of the hook piece 31 hooks the rubber roller shaft G to gradually approach to the transmission surface, the transmission surface is contacted with the rubber roller shaft G on the corresponding hook piece 31 and is gradually ejected out along with the movement of the hook piece 31, and under the self weight, the rubber roller shaft G rolls to the roller shaft collecting groove 2 along the inclined transmission surface.
Specifically, the upper end part of the guide rod 40 is movably and adjustably arranged on the transmission shaft 303; the lower end of the guide bar 40 is placed on the side edge of the roll collecting vat 2 and extends into the roll collecting vat 2.
Meanwhile, two guide bars 40 are located on opposite outer sides of the two sets of endless transfer sprockets 30.
The upper end of the conveyance surface is located directly above the rust preventive solution immersion tank 1. The redundant antirust liquid on the surface of the roll shaft can be ensured to be drained back to the antirust liquid soaking tank 1, and the waste of the antirust liquid is reduced.
In summary, the implementation process of this embodiment is as follows:
after the rubber roller shaft processing is completed, through the slope flitch under the dead weight, roll to the hook that the annular conveying sprocket lower part formed in the antirust liquid soaking groove of root formula one by one gets the district in, soak, the rubber roller shaft at this moment erects in two corresponding hook districts from both ends, then by the transmission of annular conveying sprocket, progressively get the district upward drive of getting the hook and take out from the antirust liquid and carry out the surperficial drippage, when getting the district to operate to the transmission face position until the hook, in the circular motion in-process in the district of getting the hook, it is ejecting in the district to get the hook by the transmission face with the rubber roller shaft after the drippage, under the dead weight, the rubber roller shaft rolls to the roller collecting vat along the transmission face of slope.
The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides an antirust treatment device of rubber roller which characterized in that: it includes:
the antirust liquid soaking tank is butted with the discharge end of the machining center, and the antirust liquid is filled in the antirust liquid soaking tank;
the roll shaft collecting grooves are positioned on the opposite sides of the discharging end and are used for containing roll shafts subjected to rust prevention treatment;
the transmission mechanism is arranged in the antirust liquid soaking tank and can fish the rubber roller shafts out of the antirust liquid one by one and transmit the rubber roller shafts to the top of the antirust liquid soaking tank so as to drain the antirust liquid on the surfaces of the rubber roller shafts;
and the guide mechanism is in butt joint with the transmission mechanism, takes out the rubber roller subjected to antirust liquid draining from the transmission mechanism and guides the rubber roller to the roller collecting tank.
2. The rust inhibitive treatment apparatus for a rubber roll shaft according to claim 1, characterized in that: the transmission mechanism comprises at least two groups of annular conveying chain wheels which are arranged side by side and are separated from each other, hook members arranged on each group of annular conveying chain wheels, and a driving member for driving the annular conveying chain wheels to synchronously rotate, wherein the annular conveying chain wheels are obliquely arranged from top to bottom, and the lower parts of the annular conveying chain wheels are arranged close to the discharge ends and are positioned below the liquid level of the antirust liquid in the antirust liquid soaking tank; the upper part of the anti-rust liquid is close to the roll shaft collecting tank and is positioned above the liquid level of the anti-rust liquid.
3. The rust inhibitive treatment apparatus for a rubber roll shaft according to claim 2, characterized in that: the two groups of annular conveying chain wheels are arranged, each group of annular conveying chain wheels comprises a transmission gear positioned on the upper part, a driven gear positioned on the lower part and a transmission chain sleeved on the transmission gear and the driven gear, two adjacent transmission gears are rotatably connected to two opposite sides of the antirust liquid soaking tank through a transmission shaft, two adjacent driven gears are rotatably connected to two opposite sides of the antirust liquid soaking tank through a connecting shaft, the plurality of hook pieces are uniformly distributed around the circumferential direction of the transmission chains, and the hook pieces on two adjacent transmission chains are arranged in a one-to-one correspondence manner; the driving piece is used for driving the transmission shaft or the connecting shaft to rotate.
4. The rust inhibitive treatment apparatus for a rubber roller according to claim 3, characterized in that: the transmission gear can move and be adjusted along the length direction of the transmission shaft; the driven gear can move along the length direction of the connecting shaft and is adjusted.
5. The rust inhibitive treatment apparatus for a rubber roller according to claim 3, characterized in that: the hook piece comprises a blocking piece which corresponds to each outer chain link of the transmission chain and extends outwards of the transmission chain, the blocking pieces on the two adjacent outer chain links and the inner chain links correspondingly connected form a hooking area, and when the rubber roll shaft is fished, the rubber roll shaft is erected in the hooking areas with the two sides aligned.
6. The rust inhibitive treatment apparatus for a rubber roll shaft according to claim 5, characterized in that: the two side pieces of each outer chain link are respectively provided with the blocking piece, and the blocking pieces are perpendicular to the side pieces of the outer chain links.
7. The rust inhibitive treatment apparatus for a rubber roller according to claim 3, characterized in that: the guide mechanism comprises at least two guide rods which are inclined from top to bottom and are arranged side by side, wherein the upper surfaces of the two or more guide rods are flush to form an inclined transmission surface, the upper end part of each guide rod is connected with the transmission shaft in a relatively rotating manner, the lower end part of each guide rod can be detachably positioned at the side edge of the roller shaft collecting tank, when the hook member hooks a rubber roller shaft to gradually approach the transmission surface, the transmission surface is contacted with the rubber roller shaft corresponding to the hook member and is gradually ejected out along with the movement of the hook member, and under the self-weight, the rubber roller shaft rolls down to the roller shaft collecting tank along the inclined transmission surface.
8. The rust inhibitive treatment apparatus for a rubber roll shaft according to claim 7, characterized in that: the two material guide rods are correspondingly arranged on the opposite outer sides of the two groups of annular conveying chain wheels.
9. The rust inhibitive treatment apparatus for a rubber roller shaft according to claim 7 or 8, characterized in that: the upper end part of the material guide rod is movably and adjustably arranged on the transmission shaft; the lower end part of the guide rod is erected at the side edge of the roll shaft collecting tank and extends towards the inside of the roll shaft collecting tank.
10. The rust inhibitive treatment apparatus for a rubber roll shaft according to claim 7, characterized in that: the upper end part of the conveying surface is positioned right above the antirust liquid soaking tank.
CN201920903982.3U 2019-06-16 2019-06-16 Rust-proof treatment device for rubber roll shaft Expired - Fee Related CN210546010U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920903982.3U CN210546010U (en) 2019-06-16 2019-06-16 Rust-proof treatment device for rubber roll shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920903982.3U CN210546010U (en) 2019-06-16 2019-06-16 Rust-proof treatment device for rubber roll shaft

Publications (1)

Publication Number Publication Date
CN210546010U true CN210546010U (en) 2020-05-19

Family

ID=70668124

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920903982.3U Expired - Fee Related CN210546010U (en) 2019-06-16 2019-06-16 Rust-proof treatment device for rubber roll shaft

Country Status (1)

Country Link
CN (1) CN210546010U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113663893A (en) * 2021-09-02 2021-11-19 马豆豆 Processing technology of assembled aluminum alloy door and window profile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113663893A (en) * 2021-09-02 2021-11-19 马豆豆 Processing technology of assembled aluminum alloy door and window profile

Similar Documents

Publication Publication Date Title
US1670809A (en) Meat-washing machine
CN210546010U (en) Rust-proof treatment device for rubber roll shaft
CN106766690A (en) Turnround basket dehydration device and Turnround basket cleaning dewaterer
CN110777551A (en) Corrugated case recovery processing system
CN112425736A (en) Slurry loading and wrapping equipment for batch production and processing of preserved eggs in food processing
CN114178234A (en) Silica gel cleaning device
CN103404948B (en) The clear skin machine of a kind of Combined cleaning
CN211322846U (en) Aquatic product cleaning and screening device
CN211093853U (en) Automatic baking tray cleaning system
CN210480059U (en) Novel full-automatic step feeder
CN208470888U (en) A kind of Material distribution belt conveyor head clearing apparatus
CN113000436A (en) Agricultural product washs transports integration equipment
CN210252897U (en) Cleaning, rust-proof and material-receiving all-in-one machine for processing rubber roller shaft
CN110180735B (en) Cleaning, rust-proof and material collecting integrated machine for rubber roll shaft processing
CN217625692U (en) Steel pipe material feeding unit
CN204259784U (en) A kind of tuber crops automatic flushing device
CN110839684B (en) Freshwater fish descaling machine
CN113245283A (en) Automatic cleaning device for industrial parts and use method thereof
CN210098416U (en) Cleaning device for processing rubber roller shaft
CN112586768A (en) Batch cleaning device for radishes for agricultural product processing
CN112493303A (en) Fish scale removing machine
CN217550528U (en) Spraying type cleaning device with good cleaning effect
CN215346920U (en) Raw materials belt cleaning device for food processing
CN219249153U (en) Vegetable and fruit cleaning and sterilizing machine
CN219378332U (en) Belt turnover case continuous cleaning machine

Legal Events

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

Granted publication date: 20200519

Termination date: 20210616