CN215699712U - Fine adjustment mechanism of machine tool - Google Patents
Fine adjustment mechanism of machine tool Download PDFInfo
- Publication number
- CN215699712U CN215699712U CN202120697007.9U CN202120697007U CN215699712U CN 215699712 U CN215699712 U CN 215699712U CN 202120697007 U CN202120697007 U CN 202120697007U CN 215699712 U CN215699712 U CN 215699712U
- Authority
- CN
- China
- Prior art keywords
- wedge
- guide rail
- inclined surface
- fine tuning
- inclined plane
- 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
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 230000033001 locomotion Effects 0.000 abstract description 11
- 238000005520 cutting process Methods 0.000 description 28
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005242 forging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Machine Tool Units (AREA)
Abstract
The utility model provides a fine adjustment mechanism of a machine tool, which comprises a base body, a wedge block and a connecting block, wherein the wedge block is arranged between the base body and the connecting block in a sliding manner, the base body is provided with a driving assembly for driving the wedge block to move along a linear direction, the wedge block is provided with a first inclined surface, the plane of the first inclined surface and the linear direction of the movement direction of the wedge block form an included angle alpha, the connecting block is provided with a second inclined surface matched with the first inclined surface, and the first inclined surface and the second inclined surface are in contact and are matched in a sliding manner. The utility model increases the adjusting capability of the machine tool when the cutter and the workpiece are aligned and mounted, improves the adjusting precision and improves the working efficiency of cutter setting and mounting.
Description
Technical Field
The utility model relates to the technical field of machine tool equipment, in particular to a fine adjustment mechanism of a machine tool.
Background
Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization.
In the specific production and processing of a machine tool, a cutter and a workpiece need to be aligned and installed before the workpiece is processed, an axial adjusting mechanism is usually arranged on the machine tool for positioning and adjusting, however, the existing axial adjusting mechanism cannot meet the adjusting requirement completely, a worker needs to debug and install the cutter repeatedly, and the production efficiency is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fine adjustment mechanism of a machine tool, which increases the adjustment capability of the machine tool when a cutter and a workpiece are aligned and mounted, has higher adjustment precision and high tool setting and mounting speed.
The embodiment of the utility model is realized by the following technical scheme: the utility model provides a lathe fine-tuning, includes pedestal, wedge and connecting block, the wedge slides and disposes between pedestal and connecting block, the pedestal disposes and is used for driving the wedge along the drive assembly that a rectilinear direction moved, the wedge disposes first inclined plane, and the plane of this first inclined plane place has contained angle alpha with the motion direction place straight line of wedge, the connecting block disposes with first inclined plane assorted second inclined plane, and first inclined plane and second inclined plane contact and sliding fit.
Further, the side wall of the base close to the wedge is provided with a first clamping groove, the second inclined surface of the connecting block is provided with a second clamping groove, the middle part of the side wall of the wedge close to the base is provided with a first convex block, the first inclined surface of the wedge is provided with a second convex block along the inclined surface of the wedge, a pair of first guide rails is arranged in the first clamping groove along the moving direction of the wedge, the pair of first guide rails are symmetrically arranged at two sides of the first convex block by taking the first convex block as the center, the second clamping groove is provided with a pair of second guide rails, the pair of second guide rails are symmetrically arranged at two sides of the second convex block by taking the second convex block as the center, and the wedge is slidably arranged on the first guide rails and the second guide rails.
Furthermore, the first guide rail and the second guide rail are both crossed roller guide rails, each crossed roller guide rail comprises a fixed guide rail bar positioned on the outer side and a movable guide rail bar positioned on the inner side, rows of rollers are arranged between the fixed guide rail bars and the movable guide rail bars in a crossed mode, the first clamping grooves and the second clamping grooves are fixedly connected with the fixed guide rail bars, and the wedges are connected with the movable guide rail bars.
Furthermore, the driving assembly comprises a fine adjustment driving motor, a driving shaft of the fine adjustment driving motor is fixedly connected with a screw rod, the screw rod is provided with a sleeve matched with the screw rod, and the sleeve is fixedly arranged on the wedge block.
Furthermore, the sleeve is arranged on the outer wall of the wedge block close to the fine adjustment driving motor, a movable cavity is formed in the outer wall of the wedge block close to the fine adjustment driving motor, and the screw rod penetrates into the movable cavity.
Furthermore, a supporting bearing seat is arranged on the seat body, and one side of the screw rod, which is close to the fine adjustment driving motor, is arranged on the supporting bearing seat.
Furthermore, a plurality of bolt fixing holes are formed in the seat body and the connecting block.
The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:
(1) according to the utility model, the driving device is configured to drive the wedge block to slide, fine adjustment of the upper cutting board or the lower cutting board is realized by utilizing the inclined plane matching, compared with an adjusting mode of directly driving the upper cutting board or the lower cutting board, the movement process is amplified by the inclined plane setting mode, so that the adjusting precision is improved, the fine adjustment is convenient for the upper cutting board or the lower cutting board to install the cutter during cutter setting, the cutter setting installation process is simple and convenient, and the production efficiency is improved.
(2) According to the utility model, the first lug, the second lug, the first clamping groove and the second clamping groove are configured, so that the first guide rail and the second guide rail have guidance performance, the stability and the bearing performance of the first guide rail and the second guide rail during sliding are improved, the stability of the wedge block during sliding is improved by arranging the first guide rail and the second guide rail into two, and the accuracy of the connecting block driving the upper supporting plate or the lower supporting plate to be adjusted is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is an enlarged schematic view at B of FIG. 2;
FIG. 4 is a cross-sectional view of the present invention;
fig. 5 is a state diagram of the present invention in use.
Icon: 1-slant bed, 2-hydraulic station, 3-spindle assembly, 33-spindle, 4-middle pallet, 41-x axial moving assembly, 5-triangle slide, 51-y axial moving assembly, 6-upper pallet, 61-z axial moving assembly, 8-upper knife plate, 9-lower knife plate, 10-fine adjustment mechanism, 101-base, 102-wedge block, 103-connecting block, 104-first inclined plane, 105-second inclined plane, 106-first clamping groove, 107-second clamping groove, 108-first projection, 109-second projection, 110-first guide rail, 111-second guide rail, 11 a-fixed guide rail bar, 11 b-moving guide rail bar, 11 c-row of rollers, 112-fine adjustment driving motor, 113-screw rod, 114-sleeve, 115-mobile cavity, 116-support bearing seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of this application is used, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1 to 5, the present embodiment provides a fine adjustment mechanism, which is applied to a machine tool having a sliding adjustment mechanism, a slant bed machine as shown in fig. 5, comprising a slant bed 1, a hydraulic station 2 and a spindle 33 assembly 3, the hydraulic station 2 and the main shaft 33 are respectively arranged at one side of the slant bed body 1, a middle supporting plate 4 is arranged on the slant bed body 1, an x-axis moving component 41 for driving the middle supporting plate 4 to move along the x-axis direction is arranged between the middle supporting plate 4 and the slant bed body 1, a triangular sliding table 5 is arranged on the middle supporting plate 4, a y-axis moving assembly 51 for driving the triangular sliding table 5 to move along the y-axis direction is arranged between the middle supporting plate 4 and the triangular sliding table 5, an upper supporting plate 6 is arranged on the triangular sliding table 5, and a z-axis moving assembly 61 for driving the upper supporting plate 6 to move along the z-axis direction is arranged between the upper supporting plate 6 and the triangular sliding table 5. The upper supporting plate 6 is provided with an upper cutting board 8 and a lower cutting board 9 in a sliding mode, the upper cutting board 8 and the lower cutting board 9 are arranged in one-to-one correspondence with the pair of spindles 33, the upper cutting board 8 and the lower cutting board 9 are respectively provided with a fine adjustment mechanism 10, and the fine adjustment mechanism 10 is used for driving the upper cutting board 8 or the lower cutting board 9 to be adjusted in a sliding mode.
The fine adjustment mechanism 10 includes a base 101, a wedge block 102 and a connection block 103, the wedge block 102 is slidably disposed between the base 101 and the connection block 103, the base 101 is configured with a driving component for driving the wedge block 102 to move along a linear direction, the wedge block 102 is configured with a first inclined surface 104, a plane of the first inclined surface 104 and a linear line of the movement direction of the wedge block 102 form an included angle α, the connection block 103 is configured with a second inclined surface 105 matched with the first inclined surface 104, and the first inclined surface 104 and the second inclined surface 105 are in contact and slidably matched. When the wedge block 102 is driven by the driving component to move along the linear direction, under the sliding fit action of the first inclined surface 104 and the second inclined surface 105, the connecting block 103 performs fine adjustment movement along the first inclined surface 104, which is perpendicular to the moving direction of the wedge block 102; in this embodiment, the vertical height range between the topmost end of the first inclined plane 104 and the bottommost end of the first inclined plane 104 is 1mm-5mm, that is, the connecting block 103 drives the upper supporting plate 6 or the lower supporting plate to have a fine adjustment size of 1mm-5mm, and has high adjustment precision, the wedge block 102 is driven to slide by the configuration of the driving device, fine adjustment of the upper cutting board 8 or the lower cutting board 9 is realized by using inclined plane cooperation, compared with an adjustment mode of directly driving the upper cutting board 8 or the lower cutting board 9, the movement process is enlarged by a mode of inclined plane setting, and further the improved adjustment precision is improved, so that the fine adjustment device is suitable for precision machining of a machine tool, fine adjustment when the upper cutting board 8 or the lower cutting board 9 is used for installing a cutter is convenient, the cutter installation process is simple and convenient, and the production efficiency is improved.
The side wall of the base close to the wedge block 102 is provided with a first clamping groove 106, the second inclined surface 105 of the connecting block 103 is provided with a second clamping groove 107, in this embodiment, the first clamping groove 106, the second clamping groove 107, the first inclined surface 104, the second inclined surface 105 and the wedge block 102 are located on the same vertical plane, the middle of the side wall of the wedge block 102 close to the base is provided with a first projection 108, the first inclined surface 104 of the wedge block 102 is provided with a second projection 109 along the inclined surface thereof, a pair of second projections 109 are arranged in the first clamping groove 106 along the moving direction of the wedge block 102, a pair of first guide rails 110 are arranged in the first clamping groove 106 along the moving direction of the wedge block 102, the pair of first guide rails 110 are symmetrically arranged at two sides of the first projection 108 with the first projection 108 as the center, the second clamping groove 107 is provided with a pair of second guide rails 111, the pair of second guide rails 111 are symmetrically arranged at two sides of the second projection 109 with the second projection 109 as the center, the wedges 102 are slidably disposed on the first rail 110 and the second rail 111. Through configuring the first protruding block 108, the second protruding block 109, the first clamping groove 106 and the second clamping groove 107, the first guide rail 110 and the second guide rail 111 have guidance, stability and bearing capacity when the first guide rail 110 and the second guide rail 111 slide are improved, stability when the wedge block 102 slides is improved by setting the first guide rail 110 and the second guide rail 111 to be two, and accuracy when the connecting block 103 drives the upper supporting plate 6 or the lower supporting plate to adjust is further improved.
In this embodiment, the first guide rail 110 and the second guide rail 111 are both cross roller guide rails, and the cross roller guide rails have the characteristics of excellent bearing performance, high precision and good stability, so that loads in all directions can be borne, high-precision and stable linear motion is achieved, and high-precision and stable linear motion is achieved. The crossed roller guide rail comprises a fixed guide rail bar 11a positioned on the outer side and a movable guide rail bar 11b positioned on the inner side, rows of rollers 11c are arranged between the fixed guide rail bar 11a and the movable guide rail bar 11b in a crossed mode, the first clamping groove 106 and the second clamping groove 107 are fixedly connected with the fixed guide rail bar 11a, the wedge block 102 is connected with the movable guide rail bar 11b, and the movable guide rail bar 11b is positioned on two sides of the first lug 108 or the second lug 109 respectively.
Further, the driving assembly includes a fine driving motor 112, a screw 113 is fixedly connected to a driving shaft of the fine driving motor 112, the screw 113 is provided with a sleeve 114 matching with the screw, and the sleeve 114 is fixedly disposed on the wedge 102. The fine tuning driving motor 112 rotates to drive the screw 113 to rotate, so that the sleeve 114 moves on the screw 113 under the action of the screw thread, and further drives the wedge block 102 to move along a straight line. Through adopting the mode of lead screw 113 linear drive, have better accuracy and stability, the precision is higher, and stability is better. The sleeve 114 is disposed on the outer wall of the wedge block 102 close to the fine adjustment driving motor 112, specifically, the sleeve 114 is fixed in the middle of the outer wall of the wedge block 102, a movable cavity 115 is formed in the outer wall of the wedge block 102 close to the fine adjustment driving motor 112, the screw 113 penetrates into the movable cavity 115, when the screw 113 drives the wedge block 102 to move, the screw 113 moves relatively in the movable cavity 115, so that the stability of the wedge block 102 during movement is increased, the occupied space of the fine adjustment mechanism 10 is saved, and the utilization rate of the whole space is increased.
Further, in this embodiment, in order to increase the stability of the screw 113 during rotation, a supporting bearing seat 116 is further disposed on the seat body 101, and a side of the screw 113 close to the fine tuning driving motor 112 is disposed on the supporting bearing seat 116.
During specific work, the upper cutting board 8 and the lower cutting board 9 are respectively provided with a cutter, the fine adjustment mechanism 10 respectively adjusts the upper cutting board 8 and the lower cutting board 9, a driving component in the fine adjustment mechanism 10 drives the wedge block 102 to move along a linear direction, and under the sliding fit action of the first inclined surface 104 and the second inclined surface 105, the connecting block 103 performs fine adjustment movement perpendicular to the movement direction of the wedge block 102 along the first inclined surface 104; and then connecting block 103 drives upper cutter plate 8 or lower cutter plate 9 sliding adjustment, and upper cutter plate 8 is adjusted along the z axial, and lower cutter plate 9 is adjusted along the x axial, carries out the tool setting installation, the regulation precision that has improved, and upper cutter plate 8 or lower cutter plate 9 installation cutting element tool setting process is simple quick, has realized the work demand of inclined lathe bed 1 lathe to two work piece processing simultaneously, has improved production efficiency.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A fine-tuning mechanism of machine tool is characterized in that: the wedge block is arranged between the base and the connecting block in a sliding mode, the base is provided with a driving assembly used for driving the wedge block to move along a linear direction, the wedge block is provided with a first inclined plane, the plane where the first inclined plane is located and the linear line where the moving direction of the wedge block is located form an included angle alpha, the connecting block is provided with a second inclined plane matched with the first inclined plane, and the first inclined plane is in contact with the second inclined plane and is in sliding fit with the second inclined plane.
2. The fine tuning mechanism of claim 1, wherein the base has a first slot on a side wall thereof near the wedge, the wedge has a second slot on a second inclined surface thereof near the middle of the side wall near the base, the wedge has a first protrusion on the first inclined surface thereof, the wedge has a second protrusion on the first inclined surface thereof, the first slot has a pair of first rails disposed therein along a moving direction of the wedge, the pair of first rails are symmetrically disposed on two sides of the first protrusion with the first protrusion as a center, the second slot has a pair of second rails disposed thereon, the pair of second rails are symmetrically disposed on two sides of the second protrusion with the second protrusion as a center, and the wedge is slidably disposed on the first rail and the second rail.
3. The fine adjustment mechanism of machine tool according to claim 2, wherein the first and second guide rails are cross roller guide rails, each cross roller guide rail comprises a fixed guide rail bar located on the outer side and a movable guide rail bar located on the inner side, rows of rollers are arranged between the fixed guide rail bar and the movable guide rail bar in a cross mode, the first and second clamping grooves are fixedly connected with the fixed guide rail bars, and the wedges are connected with the movable guide rail bars.
4. A fine tuning mechanism for a machine tool according to any one of claims 1 to 3 wherein the drive assembly comprises a fine tuning drive motor having a drive shaft fixedly connected to a lead screw having a socket adapted thereto, the socket being fixedly arranged in the wedge.
5. The fine tuning mechanism of claim 4, wherein the sleeve is disposed on an outer wall of the wedge close to the fine tuning driving motor, and a movable cavity is formed on the outer wall of the wedge close to the fine tuning driving motor, and the screw rod penetrates into the movable cavity.
6. The fine tuning mechanism of claim 5, wherein the base is further configured with a support bearing seat, and a side of the lead screw close to the fine tuning driving motor is configured with the support bearing seat.
7. The fine tuning mechanism of claim 6, wherein the base and the connecting block are provided with a plurality of bolt fixing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120697007.9U CN215699712U (en) | 2021-04-06 | 2021-04-06 | Fine adjustment mechanism of machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120697007.9U CN215699712U (en) | 2021-04-06 | 2021-04-06 | Fine adjustment mechanism of machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215699712U true CN215699712U (en) | 2022-02-01 |
Family
ID=80028715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120697007.9U Expired - Fee Related CN215699712U (en) | 2021-04-06 | 2021-04-06 | Fine adjustment mechanism of machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215699712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700763A (en) * | 2022-04-12 | 2022-07-05 | 苏迈特智能科技(江苏)有限公司 | Machining device capable of accurately adjusting gap |
-
2021
- 2021-04-06 CN CN202120697007.9U patent/CN215699712U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114700763A (en) * | 2022-04-12 | 2022-07-05 | 苏迈特智能科技(江苏)有限公司 | Machining device capable of accurately adjusting gap |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215615258U (en) | Small-size two oblique angle BTA center | |
| CN111730359A (en) | Five vertical cradle machining centers | |
| CN215699712U (en) | Fine adjustment mechanism of machine tool | |
| CN215698016U (en) | Inclined lathe bed machine tool ray apparatus | |
| CN210208921U (en) | Grooving machine with high machining efficiency | |
| CN214642458U (en) | Small-size work piece processing grinding machine | |
| CN211464844U (en) | 3-linear-rail slant-bed numerically controlled lathe | |
| CN208101531U (en) | Movable beam type glass carving machine | |
| CN112974865A (en) | Inclined lathe bed machine tool ray apparatus | |
| CN214321848U (en) | Machine tool spindle structure | |
| CN214108939U (en) | Small-size work piece processing milling machine | |
| CN112338736A (en) | Compact processing grinding machine | |
| CN211361339U (en) | Machine tool function expanding device | |
| CN113618495A (en) | Combined machine tool with stabilizing system and operation method thereof | |
| CN112620687A (en) | Horizontal drilling device | |
| CN214109961U (en) | Compact processing grinding machine | |
| CN218946913U (en) | Direct-drive machine tool with stepped beam structure | |
| CN112454074A (en) | Small-size work piece processing grinding machine | |
| CN214024817U (en) | Integrated vertical and horizontal dual-purpose machining center of herringbone vertical and horizontal multi-tool magazine | |
| CN206326360U (en) | Process the side-mounted lathe of flexible cutter | |
| CN210024426U (en) | Automatic surrounding type high-speed numerical control drilling and milling machine | |
| CN219005238U (en) | Gantry type double-spindle horizontal machining center | |
| CN214134857U (en) | Vertical drilling and milling machining center structure | |
| CN212946532U (en) | Four-axis lathe auxiliary fixtures | |
| CN215616358U (en) | Cup mouth milling machine for punching power plug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |