CN216421940U - Grinding device is used in processing of filter core end cover - Google Patents
Grinding device is used in processing of filter core end cover Download PDFInfo
- Publication number
- CN216421940U CN216421940U CN202123073075.7U CN202123073075U CN216421940U CN 216421940 U CN216421940 U CN 216421940U CN 202123073075 U CN202123073075 U CN 202123073075U CN 216421940 U CN216421940 U CN 216421940U
- Authority
- CN
- China
- Prior art keywords
- end cover
- annular
- telescopic link
- filter element
- mounting panel
- 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
- 238000005498 polishing Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 12
- 238000003754 machining Methods 0.000 claims 8
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a grinding device is used in processing of filter core end cover, comprises a workbench, first electric putter, T shape splint, the mount pad, the apron, L shape polishing piece, L shape mounting panel, the ring mounting dish, driven gear circle, the ring mounting panel, the ring turntable, second electric putter, go up the rack, drive gear, lower rack, first step motor, first telescopic link, the third telescopic link, second step motor, the second telescopic link, the swivel mount, the driving gear, the polishing roller, L shape splint, third electric putter, the standing groove, adjust seat and mounting bracket. The utility model discloses a set up L shape polishing piece, L shape mounting panel, swivel mount, the roller of polishing and the annular carousel between mutually support, can be better polish filter core end cover surface and inner wall, so avoided making a round trip to adjust the filter core end cover to very big reduction staff's working strength, improved work efficiency, also shortened the plenty of time simultaneously.
Description
Technical Field
The utility model relates to a grinding device specifically is a grinding device is used in processing of filter core end cover belongs to filter core processing technology field.
Background
Filters have been widely used in pharmaceutical, semiconductor, food and beverage industries as a liquid separation device to control impurities in industrial processes. The filter element is the heart of the filter, and polishing of the end cover of the filter element is an essential step in the production and processing process of the filter element.
When polishing the filter element end cover, most of the filter element end cover surfaces and the inner wall are polished separately, so that the filter element end cover needs to be adjusted, the working strength of workers is greatly improved, and the working efficiency is also greatly reduced. Therefore, a polishing device for processing the end cover of the filter element is provided aiming at the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a filter element end cover processing is with grinding device in order to solve above-mentioned problem.
The utility model realizes the above purpose by the following technical proposal, a polishing device for processing the end cover of the filter element, which comprises a workbench and a mounting bracket arranged at the top end of the workbench, wherein a second electric push rod which is vertically arranged is arranged at the top end of the inner side of the mounting bracket, an annular mounting plate is arranged at the telescopic end of the second electric push rod, the annular mounting plate is in sliding fit with an annular turntable through an annular chute arranged at the bottom end of the annular mounting plate, an L-shaped mounting plate is arranged at the bottom end of the L-shaped mounting plate, a third telescopic rod which is vertically arranged is arranged at the top end of the inner side of the mounting bracket, an annular mounting plate is arranged at the telescopic end of the third telescopic rod, a rotary seat is rotationally matched at the inner edge of the annular mounting plate, a polishing roller which is vertically arranged is rotationally matched at the bottom end of the rotary seat, a vertical adjusting component which moves in the vertical direction is arranged at the annular mounting plate which is arranged at the top end of the annular mounting plate, the mounting bracket is inboard from left to right installs the first adjustment mechanism that rotates of swivel mount pivoted of area and drives annular carousel pivoted second rotation adjustment mechanism in proper order, the outer clamping mechanism who presss from both sides tightly is installed to the filter core end cover surface to the workstation top, the workstation inboard is installed and is carried out the interior clamping mechanism who presss from both sides tightly to the filter core end cover inside wall.
Preferably, vertical adjusting part comprises last rack, drive gear and lower rack, drive gear installs in the pivot with mounting bracket inside wall normal running fit, go up the rack and install on annular installation board top, lower rack is installed on annular mounting disc top, and goes up the rack and all meshes with drive gear with lower rack.
Preferably, first rotation adjustment mechanism comprises first step motor and first telescopic link, first step motor is installed on the mount frame top, first telescopic link is installed on first step motor drive end, and the flexible end of first telescopic link is connected with the swivel mount.
Preferably, the second rotates adjustment mechanism and comprises second step motor, second telescopic link, driving gear and driven gear circle, the second step motor is installed on the mount frame top, the second telescopic link is installed on second step motor drive end, and the flexible end of second telescopic link and annular mounting panel normal running fit, the driving gear is installed on the second telescopic link, driven gear circle is installed on annular turntable, and driven gear circle and driving gear meshing.
Preferably, the outer clamping mechanism is composed of a third electric push rod and an L-shaped clamping plate, the third electric push rod is installed on the inner side wall of the installation frame, and the L-shaped clamping plate is installed on the telescopic end of the third electric push rod.
Preferably, the inner clamping mechanism comprises a first electric push rod, a mounting seat, a T-shaped clamping plate and an adjusting seat, the first electric push rod is mounted at the top end of the inner side of the workbench, the mounting seat is mounted at the telescopic end of the first electric push rod, the adjusting seat is mounted at the bottom end of the inner side of the workbench, the top end of the adjusting seat penetrates through holes formed in the top end and the bottom end of the mounting seat and extends to the inner side of a placing groove formed in the top end of the workbench, and one end of the T-shaped clamping plate is arranged in a through groove formed in the surface of the mounting seat and is in sliding fit with a sliding groove vertically formed in the adjusting seat.
Preferably, the surface of the mounting frame is hinged with a cover plate.
Preferably, the adjusting seat is composed of a wide section, an inclined section and a narrow section, and the wide section, the inclined section and the narrow section are sequentially and integrally formed from top to bottom.
Preferably, the first telescopic rod, the second telescopic rod and the third telescopic rod are formed by mutually sleeving two square sleeves.
The utility model has the advantages that:
1. through setting up the L shape and polishing the piece, L shape mounting panel, swivel mount, polishing roller and annular turntable between mutually supporting, can be better polish filter core end cover surface and inner wall, so avoided making a round trip to adjust the filter core end cover to very big reduction staff's working strength, improved work efficiency, also shortened the plenty of time simultaneously.
2. Through setting up rack, drive gear, lower rack, electric putter, T clamp plate and L clamp plate between mutually supporting, can be better adjust L shape polishing piece and the roller of polishing, so very big improvement regulation efficiency, simultaneously also very big reinforcing the practicality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall front view structure of the present invention;
fig. 3 is a schematic view of the connection structure of the annular mounting plate and the annular turntable of the present invention.
In the figure: 1. the workbench, 2, a first electric push rod, 3, a T-shaped clamping plate, 4, a mounting seat, 5, a cover plate, 6, an L-shaped polishing plate, 7, an L-shaped mounting plate, 8, an annular mounting plate, 9, a driven gear ring, 10, an annular mounting plate, 11, an annular rotary table, 12, a second electric push rod, 13, an upper rack, 14, a transmission gear, 15, a lower rack, 16, a first stepping motor, 17, a first telescopic rod, 18, a third telescopic rod, 19, a second stepping motor, 20, a second telescopic rod, 21, a rotary seat, 22, a driving gear, 23, a polishing roller, 24, an L-shaped clamping plate, 25, a third electric push rod, 26, a placing groove, 27, an adjusting seat, 28 and a mounting frame.
Detailed Description
To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described in the embodiments of the present invention with reference to the drawings, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, a polishing device for processing an end cover of a filter element of a filter comprises a workbench 1 and a mounting frame 28 installed at the top end of the workbench 1, wherein a second electric push rod 12 is installed at the top end of the inner side of the mounting frame 28, an annular mounting plate 10 is installed at the telescopic end of the second electric push rod 12, the annular mounting plate 10 is in sliding fit with an annular rotary disc 11 through an annular sliding groove formed at the bottom end of the annular mounting plate 10, an L-shaped mounting plate 7 is installed at the bottom end of the annular rotary disc 11, an L-shaped polishing sheet 6 is installed at the bottom end of the L-shaped mounting plate 7, a vertically arranged third telescopic rod 18 is installed at the top end of the inner side of the mounting frame 28, an annular mounting disc 8 is installed at the telescopic end of the third telescopic rod 18, a rotary seat 21 is rotatably fitted at the inner edge of the annular mounting disc 8, a vertically arranged polishing roller 23 is rotatably fitted at the bottom end of the rotary seat 21, the vertical adjusting part that ring mounting panel 8 that the area was installed on 10 tops of ring mounting panel removed in vertical direction, swivel mount 21 pivoted first rotation adjustment mechanism and drive ring carousel 11 pivoted second rotation adjustment mechanism of area are from left to right installed in proper order to the mounting bracket 28 inboard, 1 top of workstation is installed and is carried out tight outer clamping mechanism of clamp to filter core end cover surface, 1 inboard installation of workstation carries out tight interior clamping mechanism of clamp to filter core end cover inside wall.
The vertical adjusting assembly consists of an upper rack 13, a transmission gear 14 and a lower rack 15, the transmission gear 14 is installed on a rotating shaft which is in running fit with the inner side wall of the installation frame 28, the upper rack 13 is installed on the top end of the annular installation plate 10, the lower rack 15 is installed on the top end of the annular installation plate 8, and the upper rack 13 and the lower rack 15 are both meshed with the transmission gear 14; the first rotating adjusting mechanism consists of a first stepping motor 16 and a first telescopic rod 17, the first stepping motor 16 is installed at the top end of the installation frame 28, the first telescopic rod 17 is installed at the driving end of the first stepping motor 16, and the telescopic end of the first telescopic rod 17 is connected with the rotary seat 21; the second rotation adjusting mechanism is composed of a second stepping motor 19, a second telescopic rod 20, a driving gear 22 and a driven gear ring 9, the second stepping motor 19 is installed at the top end of the installation frame 28, the second telescopic rod 20 is installed at the driving end of the second stepping motor 19, the telescopic end of the second telescopic rod 20 is in rotating fit with the annular installation plate 10, the driving gear 22 is installed on the second telescopic rod 20, the driven gear ring 9 is installed on the annular rotary table 11, and the driven gear ring 9 is meshed with the driving gear 22; the outer clamping mechanism consists of a third electric push rod 25 and an L-shaped clamping plate 24, the third electric push rod 25 is installed on the inner side wall of the installation frame 28, and the L-shaped clamping plate 24 is installed on the telescopic end of the third electric push rod 25; the inner clamping mechanism comprises a first electric push rod 2, a mounting seat 4, a T-shaped clamping plate 3 and an adjusting seat 27, wherein the first electric push rod 2 is mounted at the top end of the inner side of the workbench 1, the mounting seat 4 is mounted at the telescopic end of the first electric push rod 2, the adjusting seat 27 is mounted at the bottom end of the inner side of the workbench 1, the top end of the adjusting seat 27 penetrates through holes formed in the top end and the bottom end of the mounting seat 4 and extends to the inner side of a placing groove 26 formed in the top end of the workbench 1, one end of the T-shaped clamping plate 3 is formed in a through groove in the surface of the mounting seat 4 and is in sliding fit with a sliding groove vertically formed in the adjusting seat 27; the cover plate 5 is hinged to the surface of the mounting frame 28, so that the filter element end cover can be placed and taken conveniently; the adjusting seat 27 is composed of a wide section, an inclined section and a narrow section, and the wide section, the inclined section and the narrow section are sequentially and integrally formed from top to bottom, so that the position of the T-shaped clamp plate 3 can be adjusted better; first telescopic link 17, second telescopic link 20 and third telescopic link 18 cup joint each other by two square sleeve pipes and constitute, the flexible and rotation of the first telescopic link 17 of the better messenger and second telescopic link 20 of being convenient for, the flexible of the third telescopic link 18 of also being convenient for simultaneously.
When the utility model is used, electrical components appearing in the application are externally connected with a power supply and a control switch when in use, when the filter element end cover is polished, the filter element end cover is firstly placed in the placing groove 26, then the first electric push rod 2 is opened, the mounting seat 4 of the first electric push rod 2 is moved upwards, the T-shaped clamp plate 3 of the mounting seat 4 is moved upwards, the T-shaped clamp plate 3 is moved under the action of the adjusting seat 27, the T-shaped clamp plate 3 clamps the inner side wall of the filter element end cover, then the second electric push rod 12 is opened, the second electric push rod 12 drives the annular mounting plate 10 to move downwards, the annular mounting plate 10 drives the L-shaped polishing piece 6 to move downwards through the L-shaped mounting plate 7 through the annular rotary disc 11, and simultaneously the annular mounting plate 10 drives the annular mounting disc 8 to move upwards through the upper rack 13, the transmission gear 14 and the lower rack 15, the annular mounting plate 8 drives the polishing roller 23 to move upwards through the rotary seat 21, when the L-shaped polishing piece 6 is in contact with the surface of the filter element end cover, the second stepping motor 19 is started, the second stepping motor 19 drives the annular rotary plate 11 to rotate through the second telescopic rod 20, the driving gear 22 and the driven gear ring 9, the annular rotary plate 11 drives the L-shaped polishing piece 6 to do circular motion through the L-shaped mounting plate 7, the L-shaped polishing piece 6 doing circular motion is polished on the outer surface of the filter element end cover by being driven, the first electric push rod 2 is started, the first electric push rod 2 is reset through the T-shaped clamping plate 3 arranged on the mounting seat 4, the second electric push rod 12 is started, the second electric push rod 12 drives the annular mounting plate 10 to move upwards, the annular mounting plate 10 drives the L-shaped polishing piece 6 to move upwards through the L-shaped mounting plate 7 through the annular rotary plate 11, and simultaneously the annular mounting plate 10 passes through the upper rack 13, The transmission gear 14 and the lower rack 15 drive the annular mounting disc 8 to move downwards, so that the annular mounting disc 8 drives the polishing roller 23 to move downwards through the rotary seat 21, when the polishing roller 23 contacts with the inner wall of the filter element end cover, the third electric push rod 25 is started again, the third electric push rod 25 drives the L-shaped clamping plate 24 to move towards the direction of the filter element end cover, so that the L-shaped clamping plate 24 clamps the outer surface of the filter element end cover, the first stepping motor 16 is started again, the first stepping motor 16 drives the rotary seat 21 to rotate through the first telescopic rod 17, the rotary seat 21 drives the polishing roller 23 to do circular motion, so that the polishing roller 23 doing circular motion polishes the inner wall of the filter element end cover, and polishing of the filter element end cover is completed.
It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. The utility model provides a grinding device is used in processing of filter core end cover, includes workstation (1) and installs mounting bracket (28) on workstation (1) top, its characterized in that: second electric putter (12) of vertical setting are installed on mounting bracket (28) inboard top, annular mounting panel (10) are installed to second electric putter (12) flexible end, annular mounting panel (10) have annular turntable (11) through seting up the annular chute sliding fit in annular mounting panel (10) bottom, L shape mounting panel (7) are installed to annular turntable (11) bottom, L shape polishing piece (6) are installed to L shape mounting panel (7) bottom, third telescopic link (18) of vertical setting are installed on mounting bracket (28) inboard top, annular mounting dish (8) are installed to third telescopic link (18) flexible end, annular mounting dish (8) inward flange normal running fit has swivel seat (21), swivel seat (21) bottom normal running fit has polishing roller (23) of vertical setting, install on annular mounting panel (10) top and drive annular mounting dish (8) at the vertical adjusting part that vertical direction removed The utility model discloses a filter core end cover, installation frame (28) inboard from left to right install in proper order and drive swivel mount (21) pivoted first rotation adjustment mechanism and drive annular carousel (11) pivoted second rotation adjustment mechanism, workstation (1) top is installed and is carried out tight outer clamping mechanism of clamp to filter core end cover surface, workstation (1) inboard is installed and is carried out tight interior clamping mechanism of clamp to filter core end cover inside wall.
2. The polishing device for machining the end cover of the filter element according to claim 1, wherein: vertical adjusting part comprises last rack (13), drive gear (14) and lower rack (15), drive gear (14) are installed in the pivot with mounting bracket (28) inside wall normal running fit, it installs on annular mounting panel (10) top to go up rack (13), rack (15) are installed on annular mounting disc (8) top down, and go up rack (13) and lower rack (15) and all mesh with drive gear (14).
3. The polishing device for machining the end cover of the filter element according to claim 1, wherein: first rotation adjustment mechanism comprises first step motor (16) and first telescopic link (17), install on mounting bracket (28) top first step motor (16), install on first step motor (16) drive end first telescopic link (17), and first telescopic link (17) flexible end is connected with swivel mount (21).
4. The polishing device for machining the end cover of the filter element according to claim 3, wherein: the second rotates adjustment mechanism and comprises second step motor (19), second telescopic link (20), driving gear (22) and driven gear circle (9), second step motor (19) are installed on mounting bracket (28) top, second telescopic link (20) are installed and are served in second step motor (19) drive, and the flexible end of second telescopic link (20) and annular mounting panel (10) normal running fit, install on second telescopic link (20) driving gear (22), driven gear circle (9) are installed on annular turntable (11), and driven gear circle (9) and driving gear (22) meshing.
5. The polishing device for machining the end cover of the filter element according to claim 1, wherein: the outer clamping mechanism is composed of a third electric push rod (25) and an L-shaped clamping plate (24), the third electric push rod (25) is installed on the inner side wall of the installation frame (28), and the L-shaped clamping plate (24) is installed on the telescopic end of the third electric push rod (25).
6. The polishing device for machining the end cover of the filter element according to claim 1, wherein: interior clamping mechanism comprises first electric putter (2), mount pad (4), T shape splint (3) and regulation seat (27), install on workstation (1) inboard top first electric putter (2), install on the flexible end in first electric putter (2) mount pad (4), adjust seat (27) and install on workstation (1) inboard bottom, and adjust seat (27) top and run through the perforation of seting up at mount pad (4) top and bottom and extend to standing groove (26) inboard of seting up at workstation (1) top, the spout sliding fit of vertical setting on mount pad (4) surface and with seting up on adjusting seat (27) is seted up to T shape splint (3) one end.
7. The polishing device for machining the end cover of the filter element according to claim 1, wherein: the surface of the mounting frame (28) is hinged with a cover plate (5).
8. The polishing device for machining the end cover of the filter element as claimed in claim 6, wherein: the adjusting seat (27) is composed of a wide section, an inclined section and a narrow section, wherein the wide section, the inclined section and the narrow section are sequentially and integrally formed from top to bottom.
9. The polishing device for machining the end cover of the filter element according to claim 4, wherein: the first telescopic rod (17), the second telescopic rod (20) and the third telescopic rod (18) are formed by mutually sleeving two square sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123073075.7U CN216421940U (en) | 2021-12-08 | 2021-12-08 | Grinding device is used in processing of filter core end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123073075.7U CN216421940U (en) | 2021-12-08 | 2021-12-08 | Grinding device is used in processing of filter core end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216421940U true CN216421940U (en) | 2022-05-03 |
Family
ID=81343818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123073075.7U Expired - Fee Related CN216421940U (en) | 2021-12-08 | 2021-12-08 | Grinding device is used in processing of filter core end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216421940U (en) |
-
2021
- 2021-12-08 CN CN202123073075.7U patent/CN216421940U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112428128A (en) | Burnishing device for machining | |
| CN210307094U (en) | Edge grinding machine for printed circuit board | |
| CN216421940U (en) | Grinding device is used in processing of filter core end cover | |
| CN212385200U (en) | Automatic polishing and grinding machine for iron pot-shaped objects | |
| CN214642588U (en) | Burnishing device is used in processing of stopper dust cover convenient to location | |
| CN210998085U (en) | Polishing device for metal plates | |
| CN214869748U (en) | Fixing device is used in optical filter production | |
| CN215317866U (en) | Hardware fitting surface polishing device | |
| CN219986873U (en) | Turning mechanism of machine tool | |
| CN220693060U (en) | Photovoltaic equipment support with adjustable inclination angle | |
| CN221622148U (en) | Operation platform for overhauling electric instrument | |
| CN218875491U (en) | Automatic plate picking manipulator | |
| CN218052491U (en) | Rotary rack for manufacturing tin printing can | |
| CN218020990U (en) | Enamel surface applique device | |
| CN220124470U (en) | Automatic transfer arm for extracting, filtering and cleaning coffee powder | |
| CN214769070U (en) | Radial drill base convenient to angle regulation | |
| CN217727388U (en) | Chamfering device for gear machining | |
| CN218616966U (en) | Adjustable electric fitting operation board | |
| CN220613414U (en) | Adjustable positioning device for polishing antistatic floor | |
| CN218745906U (en) | Movable placing table for welding automobile parts | |
| CN216464174U (en) | PCB board positioner | |
| CN221435993U (en) | Special rotary grinding mechanism for processing circular dressing mirror | |
| CN218427397U (en) | Corner passivation grinding device for wheel part machining | |
| CN217372052U (en) | Clamping die for automatic production | |
| CN218639249U (en) | Corner grinding device for die parts |
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: 20220503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |