CN220943243U - Part fixing device of double-sided boring and milling machine - Google Patents
Part fixing device of double-sided boring and milling machine Download PDFInfo
- Publication number
- CN220943243U CN220943243U CN202322172234.1U CN202322172234U CN220943243U CN 220943243 U CN220943243 U CN 220943243U CN 202322172234 U CN202322172234 U CN 202322172234U CN 220943243 U CN220943243 U CN 220943243U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- support column
- bolt
- workbench
- sliding block
- 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
- 238000003801 milling Methods 0.000 title claims abstract description 25
- 238000003860 storage Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 28
- 210000000078 claw Anatomy 0.000 description 7
- 238000003754 machining Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of part fixing and discloses a part fixing device of a double-sided boring and milling machine, which comprises a workbench, wherein a first support column is fixedly connected to the bottom of the workbench, a second support column is fixedly connected to the bottom of the workbench, a first buffer plate is fixedly connected to the bottom of the first support column, a second buffer plate is fixedly connected to the bottom of the second support column, a support plate is fixedly connected to the top of the workbench, and a support column is fixedly connected to the top of the support plate. The utility model has the following advantages and effects: support column one side is provided with the sliding block, and the sliding block passes through first bolted connection with the support column, and first bolt plays the connection effect, and the operating personnel of being convenient for transfers the position of sliding block, and the second bolt plays the effect of connecting sliding block and grip block, and then the operating personnel of being convenient for operate first grip block centre gripping work piece, and the second grip block cooperates with first grip block, plays firm centre gripping effect.
Description
Technical Field
The utility model relates to the technical field of part fixing, in particular to a part fixing device of a double-sided boring and milling machine.
Background
Milling machines mainly refer to machine tools for machining various surfaces of a workpiece by using milling cutters. The rotary motion of the milling cutter is usually the dominant motion, and the movement of the workpiece and the milling cutter is the feed motion. It can be used for machining plane and groove, and also can be used for machining various curved surfaces and gears, etc. Milling machines are machines that mill a workpiece with a milling cutter. Besides milling planes, grooves, gear teeth, threads and spline shafts, the milling machine can also process complex molded surfaces, has higher efficiency than a planing machine, and is widely applied to mechanical manufacturing and repair departments.
In the prior art, chinese patent publication No. CN218341351U discloses a part fixing device, including fixed establishment and swager, fixed establishment is used for fixed electron device, and swager includes mount pad, pivot, first pressure claw and second pressure claw, and the mount pad is installed on fixed establishment, and the pivot is rotationally located on the mount pad, and first pressure claw is connected with a pivot for spacing the work piece, and second pressure claw is connected with another pivot for compress tightly the work piece of placing on electron device. Adopt this part fixing device, be equipped with when being limited structure to the work piece on electron device, the accessible second presses claw direct fixation this work piece, when not being equipped with on electron device to the limited structure of work piece, accessible first presses claw is spacing to the work piece earlier, and the rethread second presses claw fixed work piece has promoted this part fixing device's commonality.
However, the existing part fixing device of the double-sided boring and milling machine has the problems of too dead plate of the part fixing device, insufficient protection of parts, easy deviation of the parts, larger measured precision error, poor fixing effect and the like, so improvement is needed.
Disclosure of utility model
The utility model aims to provide a part fixing device of a double-sided boring and milling machine, which has the advantages of good fixing effect, flexible fixing, capability of fixing various workpieces and cooling of the processed workpieces.
The technical aim of the utility model is realized by the following technical scheme: including the workstation, the first pillar of bottom fixedly connected with of workstation, the bottom fixedly connected with second pillar of workstation, the first buffer board of bottom fixedly connected with of first pillar, the bottom fixedly connected with second buffer board of second pillar, the top fixedly connected with extension board of workstation, the top fixedly connected with support column of extension board, one side of support column is provided with first bolt, one side of support column is provided with the sliding block, one side of sliding block is provided with the second bolt, one side of sliding block is provided with the grip block, one side of grip block is provided with first grip block, the bottom of first grip block is provided with the second grip block.
Through adopting above-mentioned technical scheme, the workstation is convenient for milling machine operation work piece, operating personnel accessible workstation removes the fixed part, the pillar plays the effect of supporting the workstation, guarantee the stability of workstation, prevent that the workstation from taking place the slope in the course of the work, buffer board and pillar fixed connection, play the effect of buffering the workstation, prevent that the workstation from receiving the impact and impaired, the extension board plays the effect of supporting the support column, and the support column plays the effect of supporting the slip sliding block, support column one side is provided with the sliding block, the sliding block passes through first bolted connection with the support column, first bolt plays the connection effect, the operating personnel of being convenient for transfers the position of sliding block, the second bolt plays the effect of connecting sliding block and grip block, and then the operating personnel of being convenient for operate first grip block centre gripping work piece, second grip block and first grip block cooperation play firm centre gripping effect.
The utility model is further provided with: the top of grip block is provided with first nut, the inside of first nut is provided with the third bolt, the bottom fixedly connected with slider of third bolt, slider one side is provided with the slide rail, one side fixedly connected with connecting plate of slider, the one end fixedly connected with first grip block of connecting plate.
Through adopting above-mentioned technical scheme, first nut and third bolt mutually support, set up at the grip block top, through third bolt and slider fixed connection, play the effect of debugging the position of slider, the operating personnel of being convenient for is nimble to be transferred the position of slider in the slide rail, slider and connecting plate fixed connection, first grip block passes through the connecting plate and is connected with the slider, through the position of transferring the slider, and then can change the position of first grip block, the operating personnel of being convenient for is according to the position of work piece thickness size transfer first grip block, and then through first grip block and second grip block cooperation centre gripping work piece.
The utility model is further provided with: the bottom of workstation is provided with the second nut, the inside of second nut is provided with the fourth bolt, the surface of fourth bolt is provided with the solid fixed ring.
Through adopting above-mentioned technical scheme, the second nut sets up in the workstation bottom, and operating personnel debugs the position of second nut on the fourth bolt through twisting the second nut, and then plays the effect of fixed fourth bolt, and the solid fixed ring plays the fixed action, sets up at the workstation top, cooperates with the second nut of bottom, the operating personnel of being convenient for debugs, fixes the position of work piece.
The utility model is further provided with: the top fixedly connected with go-between of fourth bolt, the top fixedly connected with work piece backup pad of go-between.
Through adopting above-mentioned technical scheme, the go-between plays the effect of connecting fourth bolt and work piece backup pad, accepts the support work piece backup pad, and work piece backup pad fixed connection plays the effect of supporting the work piece at the go-between top, stabilizes the position of work piece.
The utility model is further provided with: the number of the supporting columns is two, and the number of the clamping blocks is two.
Through adopting above-mentioned technical scheme, the quantity of support column and grip block is two, and relative, the operating personnel centre gripping fixed work piece of being convenient for.
The utility model is further provided with: one side fixedly connected with temporary storage box of first pillar, the inside of temporary storage box is provided with the ice bag.
Through adopting above-mentioned technical scheme, operating personnel can put into interim containing box to the work piece after the processing, and the work piece is collected temporarily to the operating personnel of being convenient for, save time, increases machining efficiency, and the inside of interim containing box is provided with the ice bag, prevents that the work piece from damaging because of the too high temperature after processing, plays the effect of cooling protection.
The beneficial effects of the utility model are as follows:
1. According to the utility model, through the arrangement among the workbench, the first support column, the second support column, the first buffer plate, the second buffer plate, the support column, the first bolt, the sliding block, the second bolt, the clamping block, the first clamping plate and the second clamping plate, the workbench is convenient for a milling machine to operate a workpiece, an operator can fix parts through the workbench, the support column plays a role of supporting the workbench, the stability of the workbench is ensured, the workbench is prevented from tilting in the working process, the buffer plate is fixedly connected with the support column, the function of buffering the workbench is achieved, the workbench is prevented from being impacted and damaged, the support plate plays a role of supporting the support column, the support column plays a role of supporting the sliding block, one side of the support column is provided with the sliding block, the sliding block is connected with the support column through the first bolt, the first bolt plays a connecting effect, the operator can conveniently adjust the position of the sliding block, the second bolt plays a role of connecting the sliding block and the clamping block, the operator can conveniently operate the first clamping plate to clamp the workpiece, the second clamping plate is matched with the first clamping plate, and the stable clamping effect is achieved.
2. The utility model adopts the arrangement among the first nut, the third bolt, the sliding block, the sliding rail, the connecting plate, the second nut, the fourth bolt, the fixing ring, the connecting ring, the workpiece supporting plate, the temporary storage box and the ice bag, wherein the first nut and the third bolt are mutually matched and arranged at the top of the clamping block and are fixedly connected with the sliding block through the third bolt, the effect of adjusting the position of the sliding block is achieved, the sliding block is convenient for an operator to flexibly adjust the position of the sliding block in the sliding rail, the sliding block is fixedly connected with the connecting plate, the first clamping plate is connected with the sliding block through the connecting plate, the position of the sliding block is adjusted, the position of the first clamping plate is adjusted, the operator can conveniently adjust the position of the first clamping plate according to the thickness of the workpiece, the workpiece is clamped through the matching of the first clamping plate and the second clamping plate, the second nut is arranged at the bottom of the workbench, the operator can adjust the position of the second nut on the fourth bolt by screwing the second nut, further plays the role of fixing the fourth bolt, the fixing ring plays the role of fixing, is arranged at the top of the workbench and matched with the second nut at the bottom, is convenient for the operator to adjust and fix the position of the workpiece, the connecting ring plays the role of connecting the fourth bolt and the workpiece supporting plate, supports the workpiece supporting plate, the workpiece supporting plate is fixedly connected at the top of the connecting ring, plays the role of supporting the workpiece, stabilizes the position of the workpiece, has two supporting columns and clamping blocks, is opposite, is convenient for the operator to clamp and fix the workpiece, can put the processed workpiece into the temporary storage box, is convenient for the operator to collect the workpiece temporarily, saves time, increases processing efficiency, is provided with an ice bag inside the temporary storage box, prevents the workpiece from being damaged due to overhigh temperature after processing, plays a role in cooling protection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the fixing structure of the parts of the present utility model;
FIG. 3 is a schematic view of a moving structure of a clamping plate according to the present utility model;
FIG. 4 is a schematic view of a sliding structure of a clamping block according to the present utility model;
Fig. 5 is a schematic view of the structure of the bolt of the present utility model.
In the figure, 1, a workbench; 2. a first support column; 3. a second support; 4. a first buffer plate; 5. a second buffer plate; 6. a support plate; 7. a support column; 8. a first bolt; 9. a sliding block; 10. a second bolt; 11. a clamping block; 12. a first clamping plate; 13. a second clamping plate; 14. a first nut; 15. a third bolt; 16. a slide block; 17. a slide rail; 18. a connecting plate; 19. a second nut; 20. a fourth bolt; 21. a fixing ring; 22. a connecting ring; 23. a workpiece support plate; 24. a temporary storage box; 25. and (5) an ice bag.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Referring to FIGS. 1-5, a part fixing device of a double-sided boring and milling machine comprises a workbench 1, a first support column 2 is fixedly connected to the bottom of the workbench 1, a second support column 3 is fixedly connected to the bottom of the workbench 1, a first buffer plate 4 is fixedly connected to the bottom of the first support column 2, a second buffer plate 5 is fixedly connected to the bottom of the second support column 3, a support plate 6 is fixedly connected to the top of the workbench 1, a support column 7 is fixedly connected to the top of the support column 7, a first bolt 8 is arranged on one side of the support column 7, a sliding block 9 is arranged on one side of the support column 7, a second bolt 10 is arranged on one side of the sliding block 9, a clamping block 11 is arranged on one side of the sliding block 9, a first clamping plate 12 is arranged on one side of the clamping block 11, a second clamping plate 13 is arranged on the bottom of the first clamping plate 12, the workbench 1 is convenient for a milling machine to operate a workpiece, an operator can fix a part through the workbench 1, the support column 2 plays a role of supporting a workbench, ensures the stability of the workbench 1, prevents the workbench 1 from inclining in the working process, is fixedly connected with the support column, plays a role of buffering the workbench, prevents the workbench 1 from being impacted to be damaged, the support plate plays a role of supporting the support column, the support column plays a role of supporting the sliding block 9, one side of the support column is provided with the sliding block 9, the sliding block 9 is connected with the support column through the first bolt 8, the first bolt 8 plays a connecting role, the operator can conveniently adjust the position of the sliding block 9, the second bolt 10 plays an effect of connecting the sliding block 9 and the clamping block 11, the operator can conveniently operate the first clamping plate 12 to clamp a workpiece, the second clamping plate 13 is matched with the first clamping plate 12, plays a firm clamping effect, the top of the clamping block 11 is provided with the first nut 14, the inside of the first nut 14 is provided with a third bolt 15, the bottom of the third bolt 15 is fixedly connected with a slide block 16, one side of the slide block 16 is provided with a slide rail 17, one side of the slide block 16 is fixedly connected with a connecting plate 18, one end of the connecting plate 18 is fixedly connected with a first clamping plate 12, the first nut 14 and the third bolt 15 are matched with each other and are arranged at the top of the clamping block 11, the third bolt 15 is fixedly connected with the slide block 16, the position of the slide block 16 in the slide rail 17 is conveniently adjusted by an operator, the slide block 16 is fixedly connected with the connecting plate 18, the first clamping plate 12 is connected with the slide block 16 through the connecting plate 18, the position of the slide block 16 is adjusted, the position of the first clamping plate 12 is adjusted, the operator can conveniently adjust the position of the first clamping plate 12 according to the thickness of a workpiece, the workpiece is clamped by the cooperation of the first clamping plate 12 and the second clamping plate 13, the bottom of the workbench 1 is provided with a second nut 19, the inside of the second nut 19 is provided with a fourth bolt 20, the outer surface of the fourth bolt 20 is provided with a fixed ring 21, the second nut 19 is arranged at the bottom of the workbench 1, an operator adjusts the position of the second nut 19 on the fourth bolt 20 by screwing the second nut 19, further the fixed ring 21 plays a role in fixing the fourth bolt 20, the fixed ring 21 is arranged at the top of the workbench 1 and matched with the second nut 19 at the bottom, the operator is convenient to debug and fix the position of a workpiece, the top of the fourth bolt 20 is fixedly connected with a connecting ring 22, the top of the connecting ring 22 is fixedly connected with a workpiece supporting plate 23, the connecting ring 22 plays the role of connecting the fourth bolt 20 and the workpiece supporting plate 23, the workpiece supporting plate 23 is fixedly connected at the top of the connecting ring 22, play the effect of supporting the work piece, stabilize the position of work piece, the quantity of support column 7 is two, the quantity of grip block 11 is two, the quantity of support column and grip block is two, and be opposite, be convenient for the fixed work piece of operating personnel centre gripping, one side fixedly connected with temporary storage box 24 of first pillar 2, the inside of temporary storage box 24 is provided with ice bag 25, operating personnel can put into temporary storage box 24 to the work piece after the processing, the operating personnel of being convenient for collect the work piece temporarily, save time, increase machining efficiency, temporary storage box 24's inside is provided with ice bag 25, prevent the work piece damage because of the too high temperature after the processing, play the effect of cooling protection.
In the utility model, the workbench 1 is convenient for a milling machine to operate a workpiece, an operator can fix parts through the workbench 1, the support column 2 plays a role of supporting the workbench, the stability of the workbench 1 is ensured, the workbench 1 is prevented from tilting in the working process, the buffer plate is fixedly connected with the support column, the workbench 1 is prevented from being impacted and damaged, the support column plays a role of supporting the support column, the support column plays a role of supporting the sliding block 9, one side of the support column is provided with the sliding block 9, the sliding block 9 is connected with the support column through the first bolt 8, the first bolt 8 plays a connecting role, the operator can conveniently adjust the position of the sliding block 9, the second bolt 10 plays a role of connecting the sliding block 9 with the clamping block 11, the operator can conveniently operate the first clamping plate 12 to clamp the workpiece, the second clamping plate 13 is matched with the first clamping plate 12, the first nut 14 is matched with the third bolt 15, the top of the clamping block 11 is arranged, the third bolt 15 is fixedly connected with the sliding block 16 through the third bolt 15, the position of the sliding block 16 is played, the operator can conveniently adjust the position of the sliding block 16 in a sliding rail 17, the position of the sliding block 16 is conveniently adjusted, the second bolt 10 is connected with the second clamping plate 19 through the second clamping plate 19 at the second clamping plate 19, the second clamping plate 19 is further arranged at the position of the second clamping plate 19 is matched with the second clamping plate 19, the second clamping plate is further adjusted through the second clamping plate 19, the second clamping plate is matched with the second clamping plate 19, the second clamping plate is conveniently adjusted through the second clamping plate 19 is arranged at the position of the second clamping plate 19 is matched with the second clamping plate 12, the fixed ring 21 plays the fixed action, set up at workstation 1 top, with the cooperation of the second nut 19 of bottom, be convenient for operating personnel debugging, fixed work piece's position, go-between 22 plays the effect of connecting fourth bolt 20 and work piece backup pad 23, accept and support work piece backup pad 23, work piece backup pad 23 fixed connection is at go-between 22 tops, play the effect of supporting the work piece, stabilize the position of work piece, the quantity of support column and grip block is two, and stand relatively, the operating personnel centre gripping fixed work piece of being convenient for, operating personnel can put into interim containing box 24 to the work piece after the processing, the operating personnel of being convenient for collect the work piece temporarily, save time, increase machining efficiency, the inside of interim containing box 24 is provided with ice bag 25, prevent the work piece from damaging because of the too high temperature after the processing, play cooling protection's effect.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a part fixing device of two-sided boring and milling machine, includes workstation (1), its characterized in that: the novel buffer table is characterized in that a first support column (2) is fixedly connected to the bottom of the workbench (1), a second support column (3) is fixedly connected to the bottom of the workbench (1), a first buffer plate (4) is fixedly connected to the bottom of the first support column (2), a second buffer plate (5) is fixedly connected to the bottom of the second support column (3), a support plate (6) is fixedly connected to the top of the workbench (1), a support column (7) is fixedly connected to the top of the support plate (6), a first bolt (8) is arranged on one side of the support column (7), a sliding block (9) is arranged on one side of the support column (7), a second bolt (10) is arranged on one side of the sliding block (9), a clamping block (11) is arranged on one side of the clamping block (11), and a second clamping plate (13) is arranged on the bottom of the first clamping plate (12).
2. The part fixing device of a double-sided boring and milling machine according to claim 1, wherein: the top of grip block (11) is provided with first nut (14), the inside of first nut (14) is provided with third bolt (15), the bottom fixedly connected with slider (16) of third bolt (15), slider (16) one side is provided with slide rail (17), one side fixedly connected with connecting plate (18) of slider (16), one end fixedly connected with first grip block (12) of connecting plate (18).
3. The part fixing device of a double-sided boring and milling machine according to claim 1, wherein: the bottom of workstation (1) is provided with second nut (19), the inside of second nut (19) is provided with fourth bolt (20), the surface of fourth bolt (20) is provided with solid fixed ring (21).
4. A part fixing apparatus of a double-sided boring and milling machine according to claim 3, wherein: the top of fourth bolt (20) fixedly connected with go-between (22), the top of go-between (22) fixedly connected with work piece backup pad (23).
5. The part fixing device of a double-sided boring and milling machine according to claim 1, wherein: the number of the supporting columns (7) is two, and the number of the clamping blocks (11) is two.
6. The part fixing device of a double-sided boring and milling machine according to claim 1, wherein: one side of the first support column (2) is fixedly connected with a temporary storage box (24), and an ice bag (25) is arranged in the temporary storage box (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322172234.1U CN220943243U (en) | 2023-08-14 | 2023-08-14 | Part fixing device of double-sided boring and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322172234.1U CN220943243U (en) | 2023-08-14 | 2023-08-14 | Part fixing device of double-sided boring and milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220943243U true CN220943243U (en) | 2024-05-14 |
Family
ID=91010644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322172234.1U Active CN220943243U (en) | 2023-08-14 | 2023-08-14 | Part fixing device of double-sided boring and milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220943243U (en) |
-
2023
- 2023-08-14 CN CN202322172234.1U patent/CN220943243U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109894870B (en) | Turning and milling composite numerical control machine tool | |
| CN216801978U (en) | Tapping device for positioning pipe of motorcycle shock absorber | |
| CN220943243U (en) | Part fixing device of double-sided boring and milling machine | |
| CN216421754U (en) | Spiral locking mechanism used in vertical machining center | |
| CN214769369U (en) | Auxiliary tool for cutting oblique angle of sawing machine | |
| CN218311533U (en) | Automatic change laser cutting equipment | |
| CN219788274U (en) | Workpiece clamping device | |
| CN215145022U (en) | Axial stable machining milling machine | |
| CN218051393U (en) | Drilling clamp for metal product machining | |
| CN211680086U (en) | Movable radial drilling machine | |
| CN112517951A (en) | Drilling machine with automatic clamping structure | |
| CN218612823U (en) | Radial drill workstation | |
| CN223947660U (en) | Clamping platform for machining high-precision reversible ball screw | |
| CN221871191U (en) | Clamping device for machining movable spanner | |
| CN222971566U (en) | Positioning tooling plate for milling machine | |
| CN218425783U (en) | Auxiliary tool for horizontal boring machine machining | |
| CN211728214U (en) | Engine bolt tightening device | |
| CN223368811U (en) | Tool positioning device for machine tool | |
| CN219292928U (en) | Machining center mills internal thread frock | |
| CN213944995U (en) | Special boring machine tool based on lathe | |
| CN222520661U (en) | Bearing frame adds clamping apparatus | |
| CN218427133U (en) | Revolving shaft feeding mechanism for machining and assembling five-axis linkage numerical control machine tool | |
| CN220971544U (en) | Auxiliary fixture for milling | |
| CN222740381U (en) | Clamping device for processing key groove on locking shaft end surface of joint arm of electric injection molding machine | |
| CN221363899U (en) | Deriving tool for cutting machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |