CN205237763U - High efficiency metal wire burnishing machine - Google Patents
High efficiency metal wire burnishing machine Download PDFInfo
- Publication number
- CN205237763U CN205237763U CN201521121971.8U CN201521121971U CN205237763U CN 205237763 U CN205237763 U CN 205237763U CN 201521121971 U CN201521121971 U CN 201521121971U CN 205237763 U CN205237763 U CN 205237763U
- Authority
- CN
- China
- Prior art keywords
- rotating disc
- wheel
- regulating wheel
- driven
- end rotating
- 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
Links
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
High efficiency metal wire burnishing machine belongs to throwing optical equipment technical field, especially relates to a high efficiency metal wire burnishing machine. The utility model provides a high efficiency metal wire burnishing machine that can fully polish metal wire. The utility model discloses a front end support frame and rear end support frame are provided with initiative end rotation carousel on its structural feature front end support frame, be provided with the driven end rotary disk on the support frame of rear end, take the initiative to be connected with the horizontal axostylus axostyle of going up between end rotation carousel upper end and the driven end rotary disk upper end, upward are provided with the action wheel on the axostylus axostyle, being provided with horizontal take -up pulley fixed axle between initiative end rotation carousel lower extreme and the driven end rotary disk lower extreme, being provided with the take -up pulley on the take -up pulley fixed axle, the winding has the abrasive band between take -up pulley and the action wheel, initiative end rotation carousel center was provided with the line hole with central correspondence of driven end rotary disk, be connected with the transverse orientation axle between initiative end rotation carousel middle part both ends and the driven end rotary disk middle part both ends.
Description
Technical field
The utility model belongs to polissoir technical field, relates in particular to a kind of high efficiency metallic wire rod polishing machine.
Background technology
Metal wire rod is annealed technique in process of production, produce oxidation cortex at metallic surface, make metal surface color aobvious black and coarse, how can remove the oxide layer of metal surface, recovering the former glossy of metal, is a technical barrier that needs solution in real industrial production.
The production technology of current domestic metal wire rod, in the production technology of process metal surfaces oxide layer, the oxide layers that adopt the method for pickling to remove metal surface more, this method operating efficiency is high, but wire rod Contact surface easily exists pickling not in place, the acid discharge intractability of pickling is larger, and environmental pollution is serious. Many enterprises adopt glossing processing, conventional polissoir is to adopt through ship polishing (fiber wheel or gauze wheel), contact the object that reaches polishing with wire rod by polishing wheel, polishing wheel and wire rod are all rotations separately, realize the object of polishing with the contact of many group polishing wheels by wire rod, wire rod rotation is subject to length restriction, and this kind of method used limitation.
Summary of the invention
The utility model is exactly for the problems referred to above, provide a kind of can be to the high efficiency metallic wire rod polishing machine of the abundant polishing of metal wire rod.
For achieving the above object, the utility model adopts following technical scheme, the utility model comprises front end bracing frame and rear end bracing frame, on its structural feature front end bracing frame, be provided with drive end rotating disc, on the bracing frame of rear end, be provided with driven end rotating disc, between drive end rotating disc upper end and driven end rotating disc upper end, be connected with transversely axostylus axostyle, on upper shaft lever, be provided with driving wheel; Between drive end rotating disc lower end and driven end rotating disc lower end, be provided with lateral tension wheel fixed axis, on regulating wheel fixed axis, be provided with regulating wheel, between regulating wheel and driving wheel, be wound with abrasive band; Described drive end rotating disc center be provided with cable-through hole corresponding to driven end rotating disc center.
Between described drive end rotating disc two ends, middle part and two ends, driven end rotating disc middle part, be connected with located lateral axle, locating shaft is connected with described regulating wheel fixed axis by tension wheel shaft fixed head, regulating wheel fixed axis be connected and fixed plate lower end and be connected, being connected and fixed plate tilts to top, middle part, the upper end that both sides are connected and fixed plate is connected, and both sides are connected and fixed plate upper end overlapping and are provided with through hole; One side regulating wheel fixed axis is connected with one end of movable clip, and the other end of movable clip is provided with clamping mouthful corresponding to opposite side regulating wheel fixed axis.
As a kind of preferred version, upper shaft lever front end described in the utility model passes drive end rotating disc and is connected with drive end rotating disc by fore bearing, upper shaft lever front end is provided with front driven gear, front driven gear engages with the front driving gear of front driven gear lower end, front driving gear is connected with drive end rotating disc, and the center of the center of front driving gear and drive end rotating disc is on same horizontal line.
As another kind of preferred version, upper shaft lever described in the utility model rear end is passed driven end rotating disc and is connected with driven end rotating disc by rear bearing, upper shaft lever rear end is provided with rear driven gear, rear driven gear engages with the rear drive gear of rear driven gear lower end, rear drive gear is connected with driven end rotating disc, and the center of the center of rear drive gear and driven end rotating disc is on same horizontal line.
As another kind of preferred version, on regulating wheel fixed axis described in the utility model, be provided with sleeve, on sleeve, be provided with fixing hole, fixing hole place is rotary with the spacing hold-down screw of regulating wheel, on sleeve, be provided with the connecting plate to downward-extension, described regulating wheel is arranged on the lower end of connecting plate, and connecting plate is connected with the tensioning spring one end being coiled on regulating wheel fixed axis, and the tensioning spring other end is arranged on regulating wheel fixed axis by spring hold-down screw.
As another kind of preferred version, regulating wheel fixed axis described in the utility model is two, Parallel Symmetric is arranged on both sides, drive end rotating disc lower end, sleeve on the regulating wheel fixed axis of both sides is crisscross arranged, each connecting plate all extends to below, middle part, and the center of the regulating wheel on each connecting plate lower end is all on same horizontal line.
As another kind of preferred version, driving wheel described in the utility model and regulating wheel are multiple, corresponding setting.
As another kind of preferred version, upper shaft lever described in the utility model comprises the square detachable rotation connecting rod of multiple pins that are in transmission connection and middle driving wheel assembly parts, and the square detachable rotation connecting rod of the pin that is in transmission connection and middle driving wheel assembly parts are alternately connected between adjacent driving wheel.
Secondly, be provided with straightener belt pulley on the axle of drive end rotating disc described in the utility model, straightener belt pulley is connected with motor pulley by driving triangular belt, and motor pulley is connected with motor output shaft.
In addition, front end bracing frame described in the utility model front is provided with horizontal straightening mechanism, and horizontal straightening mechanism sidepiece is provided with level aligning and adjusts handwheel; Level aligning is adjusted handwheel and is connected with the pushing ram of adjusting a horizontal side straightening-wheel horizontal throw, on the horizontal straightening mechanism of a side straightening-wheel opposite side, is provided with opposite side straightening-wheel corresponding to a described side straightening-wheel; The front end of horizontal straightening mechanism is provided with vertical straightening mechanism, the upper end of vertical straightening mechanism is provided with vertical aligning and adjusts handwheel, vertical aligning is adjusted handwheel and is connected with the pushing ram of adjusting top straightening-wheel vertical stroke, on the vertical straightening mechanism of top straightening-wheel below, is provided with bottom straightening-wheel corresponding to described top straightening-wheel.
The utility model beneficial effect.
The utility model high efficiency metallic wire rod polishing machine abrasive band is to carry out polishing around wire rod, by the rotation of drive end rotating disc and driven end rotating disc, wire rod 360 is spent comprehensive without dead angle polishing, and wire rod itself only need to by cable-through hole, be determined the infinite in length of wire rod by rectilinear motion under the traction of motor.
In the time of polishing, first will be by metal wire rod through emery cloth, in threading process, for threading being facilitated, movable clip can be opened to make abrasive band, regulating wheel angled, be convenient to threading, fastening movable clip again after threading; To threading, work brings convenience, and has improved operating efficiency.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described further. The utility model protection domain is not only confined to the statement of following content.
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model regulating wheel integrated connection part top view.
Fig. 3 is the utility model regulating wheel syndeton schematic diagram.
Fig. 4-1, Fig. 4-2nd, the utility model movable clip, be connected and fixed plate portion structural representation.
In figure, 1 is rear drive gear, 2 is rear driven gear, 3 is rear end bracing frame, 4 is driven end rotating disc, 5 is middle driving wheel assembly parts, 6 is the square detachable rotation connecting rod of the pin that is in transmission connection, 7 is wire rod, 8 is abrasive band, 9 is driving wheel, 10 is drive end rotating disc, 11 is front end bracing frame, 12 is front driven gear, 13 is front driving gear, 14 is straightener belt pulley, 15 is driving triangular belt, 16 is horizontal straightening mechanism, 17 is motor, 18 is vertical straightening mechanism, 19 is regulating wheel fixed axis, 20 is locating shaft, 21 is movable clip, 22 is tension wheel shaft fixed head, 23 is regulating wheel, 24 is sleeve, 25 is connecting plate, 26 is tensioning spring.
Detailed description of the invention
As shown in the figure, the utility model comprises front end bracing frame and rear end bracing frame, on front end bracing frame, be provided with drive end rotating disc, on the bracing frame of rear end, be provided with driven end rotating disc, between drive end rotating disc upper end and driven end rotating disc upper end, be connected with transversely axostylus axostyle, on upper shaft lever, be provided with driving wheel; Between drive end rotating disc lower end and driven end rotating disc lower end, be provided with lateral tension wheel fixed axis, on regulating wheel fixed axis, be provided with regulating wheel, between regulating wheel and driving wheel, be wound with abrasive band; Described drive end rotating disc center be provided with cable-through hole corresponding to driven end rotating disc center.
Described upper shaft lever front end passes drive end rotating disc and is connected with drive end rotating disc by fore bearing, upper shaft lever front end is provided with front driven gear, front driven gear engages with the front driving gear of front driven gear lower end, front driving gear is connected with drive end rotating disc, and the center of the center of front driving gear and drive end rotating disc is on same horizontal line. Driving wheel and regulating wheel are by abrasive band tensioning, and abrasive band rotates with driving wheel, make the whole periphery in abrasive band can play polishing action, improve the effective rate of utilization in abrasive band. Driving wheel by driven gear under the rotation of driving gear drives, realize revolution and rotation, not only revolved round the sun but also rotation is carried out comprehensive without dead angle polishing to metal wire rod around wire rod by abrasive band.
Described upper shaft lever rear end is passed driven end rotating disc and is connected with driven end rotating disc by rear bearing, upper shaft lever rear end is provided with rear driven gear, rear driven gear engages with the rear drive gear of rear driven gear lower end, rear drive gear is connected with driven end rotating disc, and the center of the center of rear drive gear and driven end rotating disc is on same horizontal line.
On described regulating wheel fixed axis, be provided with sleeve, on sleeve, be provided with fixing hole, fixing hole place is rotary with the spacing hold-down screw of regulating wheel, on sleeve, be provided with the connecting plate to downward-extension, described regulating wheel is arranged on the lower end of connecting plate, connecting plate is connected with the tensioning spring one end being coiled on regulating wheel fixed axis, and the tensioning spring other end is arranged on regulating wheel fixed axis by spring hold-down screw. For abrasive band is wrapped up fully with metal wire rod, make abrasive band have frictional strength and pressure with the contact-making surface of wire rod, on regulating wheel fixed axis, use spring to strengthen the tension force between the two-wheeled of abrasive band. In the time changing abrasive band, can manually change the position of abrasive belt wheel in addition, abrasive band is fluffed, be convenient to abrasive band and change.
Tensioning spring function makes emery cloth tensioning, and the spacing hold-down screw of regulating wheel makes sleeve have rotation space in a small amount, can carry out trace and adjust emery cloth tension force, and can make regulating wheel have the function of knee-action in the time that emery cloth is installed.
Described regulating wheel fixed axis is two, Parallel Symmetric is arranged on both sides, drive end rotating disc lower end, sleeve on the regulating wheel fixed axis of both sides is crisscross arranged, and each connecting plate all extends to below, middle part, and the center of the regulating wheel on each connecting plate lower end is all on same horizontal line.
Described driving wheel and regulating wheel are multiple, corresponding setting. Adopt the abrasive band combination of many groups to carry out polishing to metal wire rod, every abrasive band by driving wheel and regulating wheel by abrasive band tensioning. As shown in Figure 1, be made up of 8 groups of driving wheels and regulating wheel, driving wheel is on same straight line, regulating wheel, on same straight line, makes emery cloth fully with wire rod contact, increases friction area, driving wheel becomes one group, the both sides of tightly wrapping up wire rod by emery cloth with every two pairs of regulating wheel.
Between described drive end rotating disc two ends, middle part and two ends, driven end rotating disc middle part, be connected with located lateral axle, locating shaft is connected with described regulating wheel fixed axis by tension wheel shaft fixed head, regulating wheel fixed axis be connected and fixed plate lower end and be connected, being connected and fixed plate tilts to top, middle part, the upper end that both sides are connected and fixed plate is connected, and both sides are connected and fixed plate upper end overlapping and are provided with through hole; One side regulating wheel fixed axis is connected with one end of movable clip, and the other end of movable clip is provided with clamping mouthful corresponding to opposite side regulating wheel fixed axis.
Movable clip and fixed head all play the effect of stable axis, and tension wheel shaft can be movable, firm with movable clip.
Described upper shaft lever comprises the square detachable rotation connecting rod of multiple pins that are in transmission connection and middle driving wheel assembly parts, and the square detachable rotation connecting rod of the pin that is in transmission connection and middle driving wheel assembly parts are alternately connected between adjacent driving wheel. Connect by the square detachable rotation connecting rod of the pin that is in transmission connection, strengthened the stability of driving wheel, while emery cloth being installed, square the pin that is in transmission connection detachable rotation connecting rod can be extracted out simultaneously.
On the axle of described drive end rotating disc, be provided with straightener belt pulley, straightener belt pulley is connected with motor pulley by driving triangular belt, and motor pulley is connected with motor output shaft.
Described front end bracing frame front is provided with horizontal straightening mechanism, and horizontal straightening mechanism sidepiece is provided with level aligning and adjusts handwheel; Level aligning is adjusted handwheel and is connected with the pushing ram of adjusting a horizontal side straightening-wheel horizontal throw, on the horizontal straightening mechanism of a side straightening-wheel opposite side, is provided with opposite side straightening-wheel corresponding to a described side straightening-wheel; The front end of horizontal straightening mechanism is provided with vertical straightening mechanism, the upper end of vertical straightening mechanism is provided with vertical aligning and adjusts handwheel, vertical aligning is adjusted handwheel and is connected with the pushing ram of adjusting top straightening-wheel vertical stroke, on the vertical straightening mechanism of top straightening-wheel below, is provided with bottom straightening-wheel corresponding to described top straightening-wheel. Before metal wire rod enters polishing article, be built in two direction wire rod straightening-wheels in length and breadth at polishing machine front end, straightening-wheel can rotation by frictional force, and can be according to gap between the external diameter size regulating wheel of alignment wire rod, longitudinally can be by adjusting handwheel, handwheel is adjusted the stroke of top straightening-wheel by pushing ram, laterally can put down wheel by adjustment and adjust handwheel side Straightening stroke, by gap between the wheel of adjustment stroke alteration straightening-wheel, wire rod is entered before polishing article, obtain abundant alignment, ensured the linearity of wire rod, make wire rod in fully polishing of polishing article. Carry out rectilinear motion by coiling electric motor traction metal wire, after metal wire rod alignment, enter polishing article, being undertaken, after polishing, winding the line by abrasive band between polishing article, complete polishing on wire spool.
Be understandable that, above about specific descriptions of the present utility model, only for being described, the utility model is not limited to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as meet, all within protection domain of the present utility model.
Claims (9)
1. high efficiency metallic wire rod polishing machine, comprise front end bracing frame and rear end bracing frame, it is characterized in that being provided with on front end bracing frame drive end rotating disc, on the bracing frame of rear end, be provided with driven end rotating disc, between drive end rotating disc upper end and driven end rotating disc upper end, be connected with transversely axostylus axostyle, on upper shaft lever, be provided with driving wheel; Between drive end rotating disc lower end and driven end rotating disc lower end, be provided with lateral tension wheel fixed axis, on regulating wheel fixed axis, be provided with regulating wheel, between regulating wheel and driving wheel, be wound with abrasive band; Described drive end rotating disc center be provided with cable-through hole corresponding to driven end rotating disc center;
Between described drive end rotating disc two ends, middle part and two ends, driven end rotating disc middle part, be connected with located lateral axle, locating shaft is connected with described regulating wheel fixed axis by tension wheel shaft fixed head, regulating wheel fixed axis be connected and fixed plate lower end and be connected, being connected and fixed plate tilts to top, middle part, the upper end that both sides are connected and fixed plate is connected, and both sides are connected and fixed plate upper end overlapping and are provided with through hole; One side regulating wheel fixed axis is connected with one end of movable clip, and the other end of movable clip is provided with clamping mouthful corresponding to opposite side regulating wheel fixed axis.
2. high efficiency metallic wire rod polishing machine according to claim 1, it is characterized in that described upper shaft lever front end through drive end rotating disc and be connected with drive end rotating disc by fore bearing, upper shaft lever front end is provided with front driven gear, front driven gear engages with the front driving gear of front driven gear lower end, front driving gear is connected with drive end rotating disc, and the center of the center of front driving gear and drive end rotating disc is on same horizontal line.
3. high efficiency metallic wire rod polishing machine according to claim 1, it is characterized in that described upper shaft lever rear end through driven end rotating disc and be connected with driven end rotating disc by rear bearing, upper shaft lever rear end is provided with rear driven gear, rear driven gear engages with the rear drive gear of rear driven gear lower end, rear drive gear is connected with driven end rotating disc, and the center of the center of rear drive gear and driven end rotating disc is on same horizontal line.
4. high efficiency metallic wire rod polishing machine according to claim 1, it is characterized in that being provided with sleeve on described regulating wheel fixed axis, on sleeve, be provided with fixing hole, fixing hole place is rotary with the spacing hold-down screw of regulating wheel, on sleeve, be provided with the connecting plate to downward-extension, described regulating wheel is arranged on the lower end of connecting plate, and connecting plate is connected with the tensioning spring one end being coiled on regulating wheel fixed axis, and the tensioning spring other end is arranged on regulating wheel fixed axis by spring hold-down screw.
5. high efficiency metallic wire rod polishing machine according to claim 4, it is characterized in that described regulating wheel fixed axis is two, Parallel Symmetric is arranged on both sides, drive end rotating disc lower end, sleeve on the regulating wheel fixed axis of both sides is crisscross arranged, each connecting plate all extends to below, middle part, and the center of the regulating wheel on each connecting plate lower end is all on same horizontal line.
6. high efficiency metallic wire rod polishing machine according to claim 1, is characterized in that described driving wheel and regulating wheel are multiple, corresponding setting.
7. high efficiency metallic wire rod polishing machine according to claim 1, it is characterized in that described upper shaft lever comprises the square detachable rotation connecting rod of multiple pins that are in transmission connection and middle driving wheel assembly parts, the square detachable rotation connecting rod of the pin that is in transmission connection and middle driving wheel assembly parts are alternately connected between adjacent driving wheel.
8. high efficiency metallic wire rod polishing machine according to claim 1, it is characterized in that being provided with straightener belt pulley on the axle of described drive end rotating disc, straightener belt pulley is connected with motor pulley by driving triangular belt, and motor pulley is connected with motor output shaft.
9. high efficiency metallic wire rod polishing machine according to claim 1, is characterized in that described front end bracing frame front is provided with horizontal straightening mechanism, and horizontal straightening mechanism sidepiece is provided with level aligning and adjusts handwheel; Level aligning is adjusted handwheel and is connected with the pushing ram of adjusting a horizontal side straightening-wheel horizontal throw, on the horizontal straightening mechanism of a side straightening-wheel opposite side, is provided with opposite side straightening-wheel corresponding to a described side straightening-wheel; The front end of horizontal straightening mechanism is provided with vertical straightening mechanism, the upper end of vertical straightening mechanism is provided with vertical aligning and adjusts handwheel, vertical aligning is adjusted handwheel and is connected with the pushing ram of adjusting top straightening-wheel vertical stroke, on the vertical straightening mechanism of top straightening-wheel below, is provided with bottom straightening-wheel corresponding to described top straightening-wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521121971.8U CN205237763U (en) | 2015-12-31 | 2015-12-31 | High efficiency metal wire burnishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521121971.8U CN205237763U (en) | 2015-12-31 | 2015-12-31 | High efficiency metal wire burnishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205237763U true CN205237763U (en) | 2016-05-18 |
Family
ID=55936842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521121971.8U Active CN205237763U (en) | 2015-12-31 | 2015-12-31 | High efficiency metal wire burnishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205237763U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415144A (en) * | 2015-12-31 | 2016-03-23 | 沈阳市中色测温仪表材料研究所有限公司 | High-efficiency metal wire polishing machine |
| CN106695467A (en) * | 2017-03-14 | 2017-05-24 | 石嘴山市金辉科贸有限公司 | Spike tooth polishing device for machining agricultural tooth harrow |
-
2015
- 2015-12-31 CN CN201521121971.8U patent/CN205237763U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105415144A (en) * | 2015-12-31 | 2016-03-23 | 沈阳市中色测温仪表材料研究所有限公司 | High-efficiency metal wire polishing machine |
| CN106695467A (en) * | 2017-03-14 | 2017-05-24 | 石嘴山市金辉科贸有限公司 | Spike tooth polishing device for machining agricultural tooth harrow |
| CN106695467B (en) * | 2017-03-14 | 2019-02-19 | 重庆和佳机械部件制造有限公司 | A kind of spike-tooth grinding device for processing agriculture spike-tooth harrow |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211056391U (en) | Cable winding machine | |
| CN105415144B (en) | High efficiency metallic wire rod polishing machine | |
| CN201109068Y (en) | Steel pipe inner wall automatic polishing machine | |
| CN205237763U (en) | High efficiency metal wire burnishing machine | |
| CN205237762U (en) | Metal wire burnishing machine | |
| CN102922383A (en) | Automatic grinding and polishing device for end surfaces of optical fibers and cables | |
| CN205254732U (en) | Burnishing machine take -up pulley connection structure | |
| CN215510424U (en) | Polishing mechanism for stainless steel wire drawing process | |
| CN105437027A (en) | Metal wire polishing machine | |
| CN203471515U (en) | Polishing machine | |
| CN208929840U (en) | A kind of long column shape axis grinding device | |
| CN112605139B (en) | Hard disk data line preparation heart yearn draw-off gear | |
| CN211388149U (en) | Wire drawing device for processing stainless steel tableware | |
| CN203807837U (en) | Reciprocating-type fluff brushing device | |
| CN110444349A (en) | A kind of winding machine for special cable line | |
| CN205309987U (en) | Burnishing machine abrasive band drive connection structure | |
| CN206780142U (en) | Double abrasive wheel burnishing device is used in a kind of iron pan polishing | |
| CN105405536A (en) | Straightening machine for large-diameter cable straightening | |
| CN206047246U (en) | A kind of simple deburring platform | |
| CN213530559U (en) | Bending device is used in steel strand wires production | |
| CN213326098U (en) | A automatic material collecting device for steel wool production | |
| CN104372459B (en) | The double tension pulley device of a kind of ring throstle spindle band | |
| CN208182345U (en) | A kind of coiling apparatus for knitting machine | |
| CN107070131A (en) | A kind of stator winding device and its method | |
| CN209015776U (en) | A kind of stranding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |