CN205582744U - Machine is rolled up to thorn and trade paper tinsel device thereof - Google Patents

Machine is rolled up to thorn and trade paper tinsel device thereof Download PDF

Info

Publication number
CN205582744U
CN205582744U CN201620426908.3U CN201620426908U CN205582744U CN 205582744 U CN205582744 U CN 205582744U CN 201620426908 U CN201620426908 U CN 201620426908U CN 205582744 U CN205582744 U CN 205582744U
Authority
CN
China
Prior art keywords
aluminium foil
paper tinsel
press fit
charging tray
docking
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.)
Active
Application number
CN201620426908.3U
Other languages
Chinese (zh)
Inventor
王平富
袁伟刚
周振华
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.)
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Xinyuan Electronics Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Xinyuan Electronics 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 Gree Electric Appliances Inc of Zhuhai, Zhuhai Gree Xinyuan Electronics Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201620426908.3U priority Critical patent/CN205582744U/en
Application granted granted Critical
Publication of CN205582744U publication Critical patent/CN205582744U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a trade the paper tinsel device, include: base plate (9), set up in charging tray (1) on base plate (9), the quantity of charging tray (1) is two at least, set up in butt joint compression fittings (6) on base plate (9), butt joint compression fittings (6) butt joint is by one the aluminium foil tail end of charging tray (1) output reaches by another the aluminium foil initiating terminal of charging tray output. The utility model provides a trade the paper tinsel device, install two at least aluminium foil books. During the installation, the aluminium foil on charging tray is through butt joint compression fittings, aluminium foil initiating terminal on another charging tray stretches into inside the butt joint compression fittings. During the use, an aluminium foil is rolled up to use and is accomplished, and the aluminium foil initiating terminal that aluminium foil tail end that this aluminium foil was rolled up and the aluminium foil on another charging tray were rolled up all is located butt joint compression fittings, accomplishes the butt joint pressfitting that two aluminium foils were rolled up. Effectively avoid equipment shut down operation to accomplish and traded the paper tinsel operation, saved and shut down the time of trading the paper tinsel, improved production efficiency.

Description

Sting volume machine and change paper tinsel device
Technical field
This utility model relates to thorn volume machine equipment technical field, stings volume machine particularly to one and changes paper tinsel dress Put.
Background technology
At present, thorn volume machine needs to use aluminum foil material, is generally placed on charging tray by aluminum foil coil, when this aluminium foil After volume use completes, need aluminium foil carries out feeding replacing and docking stitching operation.That is, new by volume Aluminum foil coil is placed on charging tray, and by the aluminium foil tail end of the aluminium foil initiating terminal of this aluminum foil coil with a upper rolls of aluminum foil volume Carry out docking pressing, make two ends connect.
But, feeding is changed and docking stitching operation is required to shutdown and carries out, and averagely wants the used time more than 5 minutes, In the operation of the biggest type product, with greater need for reloading frequently, waste the more time, impact Production efficiency.
Therefore, how to avoid shutdown operation, improve production efficiency, be that those skilled in the art is urgently to be resolved hurrily Problem.
Utility model content
In view of this, this utility model provides one and changes paper tinsel device, it is to avoid shutdown operation, improves and produces Efficiency.The invention also discloses a kind of thorn volume machine.
For achieving the above object, the following technical scheme of this utility model offer:
From above-mentioned technical scheme it can be seen that the one that this utility model provides changes paper tinsel device, including:
Substrate;
It is arranged at the charging tray on described substrate, the quantity at least two of described charging tray;
The docking press fit device being arranged on described substrate, described docking press fit device docks by described in one Charging tray output aluminium foil tail end and by another described charging tray output aluminium foil initiating terminal.
Preferably, above-mentioned change in paper tinsel device, also include being arranged on described substrate and corresponding with described charging tray The material detection device arranged;
Described material detection device docks press fit device communication connection with described.
Preferably, above-mentioned change in paper tinsel device, also include avoiding aluminium foil to be slipped by described docking press fit device Hold down gag;
Described hold down gag is arranged at the input of described docking press fit device.
Preferably, above-mentioned changing in paper tinsel device, described hold down gag includes the location for positioning described aluminium foil Plate and the contact roller to the described location-plate described aluminium foil of extruding.
Preferably, above-mentioned change in paper tinsel device, also include that two are symmetrical arranged and for cutting aluminium foil tail end Cutter sweep;
Described cutter sweep is arranged at the input of described docking press fit device.
Preferably, above-mentioned changing in paper tinsel device, described cutter sweep includes the location for positioning described aluminium foil Plate and for cutting the cutting knife of described aluminium foil, described cutting knife is transported along the direction close and far from described location-plate Dynamic.
Preferably, above-mentioned changing in paper tinsel device, described docking press fit device is along being parallel to two described cutting dresses The orientation linear movement put, its movement travel is through the cutting mouth of two described cutter sweeps.
Preferably, above-mentioned change in paper tinsel device, also include the outfan being arranged at described docking press fit device, For positioning the positioning clamp appts clamping described aluminium foil.
Preferably, above-mentioned changing in paper tinsel device, the quantity of described charging tray is two and fills along described docking pressing The centrage put is symmetrical arranged.
Preferably, above-mentioned change in paper tinsel device, also include that being arranged at described charging tray docks press fit device with described Between, for guiding the middle directive wheel of described aluminium foil.
Preferably, above-mentioned change in paper tinsel device, also include being arranged at described docking press fit device away from described material The side of dish, for guiding the outfan directive wheel of described aluminium foil outbound course.
This utility model additionally provides a kind of thorn volume machine, changes paper tinsel device including above-mentioned as described in any one.
What this utility model provided changes paper tinsel device, has at least two charging tray, therefore, installs at least two Aluminum foil coil.During installation, docking press fit device is in non-stitching state, and the aluminum foil coil on a charging tray is in Use state, the aluminium foil of this aluminum foil coil through docking press fit device (by the input of docking press fit device to Its outfan) and stretch out the outfan changing paper tinsel device;Aluminum foil coil on another charging tray is waited for, The aluminium foil initiating terminal of this aluminum foil coil is inserted into the inner portion by the input docking press fit device.In use, Aluminum foil coil on one charging tray exports after docking press fit device;(this when this aluminum foil coil has used Time this aluminum foil coil aluminium foil tail end be still located at docking in press fit device) start docking press fit device 6, now, The aluminium foil tail end of this aluminum foil coil is respectively positioned on the aluminium foil initiating terminal of the aluminum foil coil on another charging tray and docks pressing In device, completed the docking pressing of two aluminum foil coils by docking press fit device, then dock press fit device Close, in order to the aluminum foil coil after docking pressing exports after docking press fit device.This utility model carries Confession change paper tinsel device, effectively prevent equipment downtime operation and can complete to change paper tinsel operation, save shutdown and change The time of paper tinsel, improve production efficiency.
This utility model additionally provides a kind of has the above-mentioned thorn changing paper tinsel device volume machine.Paper tinsel dress is changed due to above-mentioned Putting and have above-mentioned technique effect, above-mentioned thorn volume machine also should have same technique effect, the most detailed at this Introduce.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings Figure.
The structural representation changing paper tinsel device that Fig. 1 provides for this utility model embodiment.
Detailed description of the invention
The utility model discloses one and change paper tinsel device, to avoid shutdown operation, improve production efficiency.This Utility model also discloses a kind of thorn volume machine.
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this The scope of utility model protection.
Refer to the structural representation changing paper tinsel device that Fig. 1, Fig. 1 provide for this utility model embodiment.
This utility model embodiment provides one and changes paper tinsel device, including substrate 9, charging tray 1 and docking pressing Device 6.Charging tray 1 is arranged on substrate 9, the quantity at least two of charging tray 1;It is arranged on substrate 9 Docking press fit device 6, docking press fit device 6 dock the aluminium foil tail end exported by a charging tray 1 and by separately The aluminium foil initiating terminal of one charging tray output.
What this utility model embodiment provided changes paper tinsel device, has at least two charging tray 1, therefore, installs extremely Few two aluminum foil coils.During installation, docking press fit device 6 is in non-stitching state, on a charging tray 1 Aluminum foil coil is in use state, and the aluminium foil of this aluminum foil coil is through docking press fit device 6 (by docking press fit device The input of 6 is to its outfan) and stretch out the outfan changing paper tinsel device;Aluminum foil coil on another charging tray 1 Being waited for, the aluminium foil initiating terminal of this aluminum foil coil is inserted into the inner by the input docking press fit device 6 Portion.In use, the aluminum foil coil on a charging tray 1 exports after docking press fit device 6;When When this aluminum foil coil has used (now the aluminium foil tail end of this aluminum foil coil is still located at docking in press fit device 6) Start docking press fit device 6, now, the aluminium foil tail end of this aluminum foil coil and the aluminum foil coil on another charging tray 1 Aluminium foil initiating terminal be respectively positioned on docking press fit device 6 in, by docking press fit device 6 complete two aluminium foils The docking pressing of volume, then docking press fit device 6 is closed, in order to the aluminum foil coil after docking pressing passes through Export after docking press fit device 6.What this utility model embodiment provided changes paper tinsel device, effectively prevent and sets Standby shutdown operation can complete to change paper tinsel operation, saves and shuts down the time changing paper tinsel, improves production efficiency.
It is understood that carry out docking in bonding processes for aluminium foil at docking press fit device 6, only pin To two charging trays 1 in all charging trays 1.Aluminium foil when only having two charging trays 1, on a charging tray 1 Volume is in use state, and the aluminum foil coil on another charging tray 1 is waited for.When having more than three During charging tray 1, the aluminum foil coil on a charging tray 1 is in use state, the aluminum foil coil on another charging tray 1 Being waited for, the aluminium foil initiating terminal of the aluminum foil coil on remaining charging tray 1 is not at docking press fit device 6 In, after the aluminum foil coil of the state of use docks pressing with the aluminum foil coil being waited for, can will remain Charging tray 1 on the aluminium foil initiating terminal of aluminum foil coil be placed in docking press fit device 6.
In the present embodiment, also include the material detection dress being arranged on substrate 9 and being correspondingly arranged with charging tray 1 Put 2;Material detection device 2 communicates to connect with docking press fit device 6.By arranging material detection device 2, Automatically the use state of the aluminum foil coil on detection charging tray 1, when material detection device 2 detects a charging tray 1 On aluminum foil coil when having used (now the aluminium foil tail end of this aluminum foil coil is still located at docking in press fit device 6) Time, start docking press fit device 6, the aluminium foil tail end of this aluminum foil coil and the aluminum foil coil on another charging tray 1 Aluminium foil initiating terminal completes to dock pressing in being respectively positioned on docking press fit device 6.
Material detection device 2 can also be not provided with, by the aluminum foil coil state on manual observation charging tray 1, hands Dynamic startup docks press fit device 6, avoids equipment downtime operation equally.
Preferably, material detection device 2 is photoelectric detection system.
Changing that this utility model embodiment provides also includes in paper tinsel device avoiding aluminium foil by docking press fit device 6 The hold down gag slipped;Hold down gag is arranged at the input of docking press fit device 6.By arranging compression Device so that after aluminium foil initiating terminal stretches into docking press fit device 6, position, intermediate portion is compressed by hold down gag, Effectively prevent aluminium foil initiating terminal by docking the situation that press fit device 6 slips.
As it is shown in figure 1, the input of docking press fit device 6 is its one end near charging tray 1, docking pressure The outfan of locking device 6 is its one end away from charging tray 1.
It is understood that aluminium foil remains a need for being delivered to after hold down gag docking in press fit device 6 again Output.Therefore, in order to reduce the frictional force between hold down gag and aluminium foil, reduce abrasion, hold down gag Including for positioning the location-plate 8 of aluminium foil and extruding the contact roller 4 of aluminium foil to location-plate 8.Pass through at aluminium foil During hold down gag, aluminium foil gap between contact roller 4 and location-plate 8, contact roller 4 Rotating shaft is perpendicular to the direction of advance of aluminium foil, therefore, effectively reduces the abrasion of contact roller 4.Wherein, pressure Bearing up pulley 4 can apply extruding force by torsion spring or the elastic restoring force of self to location-plate 8.
The contact roller 4 that can also use two parallel and mutual compressions of axis forms hold down gag, at this not It is discussed in detail again.
In the present embodiment, there are two charging trays 1, in the connection procedure of aluminum foil coil docking, make two material Aluminum foil coil switching on dish 1 uses.Therefore, for the ease of arrange, the quantity of hold down gag be two and With two charging tray 1 one_to_one corresponding, in order to hold down gag is to the aluminum foil coil on corresponding charging tray 1 Location, it is to avoid this aluminium foil initiating terminal is slipped by docking press fit device 6.
The paper tinsel device that changes in the present embodiment also includes that two are symmetrical arranged and for cutting the cutting of aluminium foil tail end Device;Cutter sweep is arranged at charging tray 1 and docks press fit device between 6.As a example by two charging trays 1, When the aluminum foil coil of a charging tray 1 is finished, starts the cutter sweep corresponding with this charging tray 1 and shear, Shear neat aluminium foil tail end and dock press fit device 6 with the aluminium foil initiating terminal of the aluminum foil coil of another charging tray 1 Interior docking pressing.
As it is shown in figure 1, hold down gag, cutter sweep and docking press fit device 6 set gradually, cutting dress Put and form the passage passed through for aluminium foil when not starting.Hold down gag is two with the quantity of cutter sweep And one_to_one corresponding, therefore, a hold down gag and corresponding cutter sweep form first passage, supply Aluminium foil on one charging tray 1 passes through;Another hold down gag and corresponding cutter sweep form second Passage, passes through for the aluminium foil on another charging tray 1.During aluminum foil coil switches, aluminium foil process Passage is also in switching.
In the present embodiment, for the ease of cutting aluminium foil, cutter sweep includes the location for positioning aluminium foil Plate 8 and for cutting the cutting knife 5 of aluminium foil.Cutting knife 5 moves along the direction close and far from location-plate 8.Can To be understood by, the gap between cutting knife 5 and location-plate 8 is passed through for aluminium foil, when needs cutting aluminium foil, Aluminium foil positions under the stop of location-plate 8, and cutting knife 5 moves to location-plate 8 and cuts.
Further, docking press fit device 6 along being parallel to the orientation linear movement of two cutter sweeps, Its movement travel is through the cutting mouth of two cutter sweeps.By docking the linear movement of press fit device 6, Make it preferably corresponding with the passage of output aluminium foil, and then improve docking pressing effect.At the present embodiment In, cutting mouth is the position that cutting knife 5 contacts with location-plate 8.
What this utility model embodiment provided changes in paper tinsel device, also includes being arranged at docking press fit device 6 remote From one end of charging tray 1, for positioning the positioning clamp appts 7 of clamping aluminium foil.By positioning clamp appts 7, folder Tight aluminum foil coil tail end, it is to avoid aluminum foil coil tail end skids off docking press fit device 6, further ensure that previous aluminum The aluminium foil tail end of paper tinsel volume is positioned at the aluminium foil initiating terminal of later aluminum foil coil and docks press fit device 6, and then Improve the effect of docking pressing.
In order to make aluminium foil uniformly export, the quantity of charging tray 1 is two and the center of edge docking press fit device 6 Line is symmetrical arranged.Wherein, the centrage of docking press fit device 6 is to supply in the gap that aluminium foil passes through on it Heart bisector.The reality of the orientation linear movement of two cutter sweeps it is parallel at docking press fit device 6 Execute in example, docking press fit device 6 centrage be this docking press fit device 6 be in formation midpoint time, right Connect the center bisector in the gap passed through on press fit device 6 for aluminium foil.
In the present embodiment, change paper tinsel device and also include being arranged at charging tray 1 and dock press fit device between 6, use In the middle directive wheel 3 guiding aluminium foil.By arranging centre pilot wheel 3 so that the aluminium foil of charging tray 1 output Being directed in docking press fit device 6 through middle directive wheel 3, improves the smooth and easy journey of aluminium foil transmission Degree.
Further, change the side that paper tinsel device also includes being arranged at docking press fit device 6 away from charging tray 1, For guiding the outfan directive wheel 10 of aluminium foil outbound course.By arranging outfan directive wheel 10, it is simple to Furnishing aluminium foil is obtained outbound course by changing paper tinsel device.
This utility model additionally provides a kind of thorn volume machine, including the most above-mentioned any one change paper tinsel device.Due to upper State and change paper tinsel device there is above-mentioned technique effect, there is the above-mentioned thorn volume machine changing paper tinsel device and also should have same Technique effect, tires out the most one by one at this and states.
Preferably, in installation process, it is connected fixing with thorn volume machine for the substrate 9 changing paper tinsel device.
It is of course also possible to the above-mentioned paper tinsel device that changes is arranged on other equipment, at this most tired state and All within protection domain.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest Scope.

Claims (12)

1. one kind is changed paper tinsel device, it is characterised in that including:
Substrate (9);
The charging tray (1) being arranged on described substrate (9), the quantity at least two of described charging tray (1);
The docking press fit device (6) being arranged on described substrate (9), described docking press fit device (6) Dock the aluminium foil tail end exported by a described charging tray (1) and by the aluminium foil of charging tray output another described Top.
Change paper tinsel device the most as claimed in claim 1, it is characterised in that also include being arranged at described substrate (9) material detection device (2) that is upper and that be correspondingly arranged with described charging tray (1);
Described material detection device (2) docks press fit device (6) communication connection with described.
Change paper tinsel device the most as claimed in claim 1, it is characterised in that also include avoiding aluminium foil by described The hold down gag that docking press fit device (6) slips;
Described hold down gag is arranged at the input of described docking press fit device (6).
Change paper tinsel device the most as claimed in claim 3, it is characterised in that described hold down gag include for Position the location-plate (8) of described aluminium foil and extrude the contact roller (4) of described aluminium foil to described location-plate (8).
Change paper tinsel device the most as claimed in claim 1, it is characterised in that also include two be symmetrical arranged and For cutting the cutter sweep of aluminium foil tail end;
Described cutter sweep is arranged at the input of described docking press fit device (6).
Change paper tinsel device the most as claimed in claim 5, it is characterised in that described cutter sweep include for Position the location-plate (8) of described aluminium foil and for cutting the cutting knife (5) of described aluminium foil, described cutting knife (5) Move along the direction close and far from described location-plate (8).
Change paper tinsel device the most as claimed in claim 5, it is characterised in that described docking press fit device (6) Edge is parallel to the orientation linear movement of two described cutter sweeps, and its movement travel is through described in two The cutting mouth of cutter sweep.
8. as described in any one of claim 1-7, change paper tinsel device, it is characterised in that also include being arranged at The outfan of described docking press fit device (6), for positioning the positioning clamp appts (7) clamping described aluminium foil.
Change paper tinsel device the most as claimed in claim 1, it is characterised in that the quantity of described charging tray (1) It is two and centrage along described docking press fit device (6) is symmetrical arranged.
Change paper tinsel device the most as claimed in claim 1, it is characterised in that also include being arranged at described material Dish (1) docks between press fit device (6) with described, for guiding the middle directive wheel (3) of described aluminium foil.
11. change paper tinsel device as claimed in claim 1, it is characterised in that it is described right also to include being arranged at Connect the press fit device (6) side away from described charging tray (1), for guiding described aluminium foil outbound course Outfan directive wheel (10).
12. 1 kinds of thorn volume machines, it is characterised in that include changing paper tinsel as described in any one of claim 1-11 Device.
CN201620426908.3U 2016-05-11 2016-05-11 Machine is rolled up to thorn and trade paper tinsel device thereof Active CN205582744U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620426908.3U CN205582744U (en) 2016-05-11 2016-05-11 Machine is rolled up to thorn and trade paper tinsel device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620426908.3U CN205582744U (en) 2016-05-11 2016-05-11 Machine is rolled up to thorn and trade paper tinsel device thereof

Publications (1)

Publication Number Publication Date
CN205582744U true CN205582744U (en) 2016-09-14

Family

ID=56857287

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620426908.3U Active CN205582744U (en) 2016-05-11 2016-05-11 Machine is rolled up to thorn and trade paper tinsel device thereof

Country Status (1)

Country Link
CN (1) CN205582744U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105761955A (en) * 2016-05-11 2016-07-13 珠海格力新元电子有限公司 Roll needling machine and foil replacement device thereof
CN107785126A (en) * 2017-10-11 2018-03-09 杭州富通电线电缆有限公司 The manufacture method of coaxial cable

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105761955A (en) * 2016-05-11 2016-07-13 珠海格力新元电子有限公司 Roll needling machine and foil replacement device thereof
CN107785126A (en) * 2017-10-11 2018-03-09 杭州富通电线电缆有限公司 The manufacture method of coaxial cable
CN107785126B (en) * 2017-10-11 2019-05-24 杭州富通电线电缆有限公司 The manufacturing method of coaxial cable

Similar Documents

Publication Publication Date Title
CN205582744U (en) Machine is rolled up to thorn and trade paper tinsel device thereof
CN103921522B (en) A kind of layout back of the body conducting foam production technology of automatically locating of conducting electricity
CN206767204U (en) A kind of napkin paper crimping device
CN204605023U (en) Forming machine bottom Paper handbag
CN106182896A (en) Paper bag machine bag mouth shaped device
CN205386846U (en) Easily tear line pressure roller
CN207738071U (en) Sheet stock is posted material rolling device automatically
CN205149030U (en) Packing carton's novel former
CN204605021U (en) A kind of High-Speed Automatic paper bag machine and an end card device thereof
CN206327960U (en) A kind of coiled material automatic splicing device
CN207549605U (en) A kind of cord grip for the continuous crimping system of corrugated board
CN205766445U (en) A kind of film cutting machine
CN206536572U (en) A kind of waste discharge tool
CN105761955A (en) Roll needling machine and foil replacement device thereof
CN206968159U (en) The automatic hybrid system of composite board encapsulant
CN207709124U (en) A kind of ferrite crushing device
CN206826024U (en) A kind of equipment for corrugated board production
CN108996304A (en) Full-automatic cutting film glue machine
CN205311954U (en) Full -automatic packaging machine
CN105557832A (en) Lotus leaf dumpling apparatus
CN204776345U (en) A cut packing production system for paper coiled material
CN206578232U (en) A kind of steel crimping device
CN204568098U (en) A kind of financial special plastic packaging machine
CN203294844U (en) Unreeling device of dividing and cutting machine
CN208325742U (en) A kind of manual laminator that can increase working efficiency

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant