CN112894144A - Metal plate strip texturing device based on laser and texturing method thereof - Google Patents
Metal plate strip texturing device based on laser and texturing method thereof Download PDFInfo
- Publication number
- CN112894144A CN112894144A CN202011558592.0A CN202011558592A CN112894144A CN 112894144 A CN112894144 A CN 112894144A CN 202011558592 A CN202011558592 A CN 202011558592A CN 112894144 A CN112894144 A CN 112894144A
- Authority
- CN
- China
- Prior art keywords
- plate
- laser
- fixing
- texturing
- metal plate
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
- B23K26/354—Working by laser beam, e.g. welding, cutting or boring for surface treatment by melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
- B23K26/3568—Modifying rugosity
- B23K26/3584—Increasing rugosity, e.g. roughening
Abstract
The invention relates to the technical field of metal plate surface treatment, in particular to a laser-based metal plate texturing device which comprises a supporting plate, wherein the upper end of a bottom plate is connected with a pushing mechanism, the upper end of the pushing mechanism is fixedly connected with a supporting column, the upper end of the supporting column is fixedly connected with a top plate, the bottom end of the top plate is connected with a second fixing frame, the bottom end of the second fixing frame is provided with a sliding groove, a pulse laser is connected onto the sliding groove in a sliding mode, the supporting column is connected with a second electric telescopic rod, the telescopic end of the second electric telescopic rod is connected with the pulse laser, the supporting plate is connected with a cooling mechanism, the bottom end of a. The invention also provides a metal plate texturing method based on laser. According to the invention, texturing is finished by changing the horizontal and longitudinal positions of the pulse laser, and after the processing is finished, the metal plate strip is pushed out of the material placing groove by the push plate mechanism, so that the metal plate and the material placing groove are separated, and the metal plate strip is convenient to take out.
Description
Technical Field
The invention relates to the technical field of metal plate surface treatment, in particular to a metal plate belt texturing device based on laser and a texturing method thereof.
Background
The surface roughening treatment of the metal sheet is widely applied to various occasions needing to improve the surface roughness, the laser texturing is more and more widely applied to increase the roughness of the surface of a material, the laser texturing is a complex metallurgical physical and chemical process of interaction of laser and substances, laser pulses act on the surface of the material, the material absorbs light energy, the light energy is converted into heat energy of the material, so that the temperature of the material is increased, the material is locally melted and gasified, the material is even ionized by the input of the laser with high energy density, and the melted material generates a molten pool. At present, when the metal sheet carries out the texturing processing, place the metal sheet in the recess, the upper surface is slightly less than the limit frame, after the texturing processing, is not convenient for take out the metal sheet.
Disclosure of Invention
The invention aims to solve the defect that a metal plate is inconvenient to take out after texturing treatment in the prior art, and provides a laser-based metal plate texturing device and a texturing method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a laser-based metal plate texturing device is designed, and comprises a supporting plate, wherein an object placing groove is formed in the upper end of the supporting plate, a plurality of supporting leg mechanisms are fixedly connected to the bottom end of the supporting plate, a bottom plate is connected to the bottom end of one side of each supporting leg mechanism, a first fixing frame is connected to the upper end of the bottom plate, a controller is connected to the upper end of the first fixing frame, a pushing mechanism is connected to the upper end of the bottom plate, a supporting column is fixedly connected to the upper end of the pushing mechanism, a top plate is fixedly connected to the upper end of the supporting column, a second fixing frame is connected to the bottom end of the top plate, a sliding groove is formed in the bottom end of the second fixing frame, a pulse laser is slidably connected to the sliding groove, a second electric telescopic rod is connected to the supporting column, the, the bottom of the article placing groove is provided with a groove, and the groove is provided with a push plate mechanism.
Preferably, the supporting leg mechanism comprises a supporting rod, the upper end of the supporting rod is connected with the supporting plate, the supporting rod is connected with the bottom plate, the bottom end of one side of the supporting rod is connected with a fixing foot, and the fixing foot is provided with a fixing hole.
Preferably, pushing mechanism includes the guided way, the guided way is connected the bottom plate, the upper end slidable of guided way is connected with the slide rail guide block, the upper end of slide rail guide block is connected the support column, be connected with fixed establishment on the guided way, the last electric telescopic handle that is connected with of fixed establishment, electric telescopic handle's flexible end is connected the slide rail guide block.
Preferably, the fixing mechanism comprises a fixing rod, one end of the fixing rod is connected with the guide rail, the other end of the fixing rod is connected with a fixing sleeve, and the fixing sleeve is connected with the first electric telescopic rod.
Preferably, cooling body includes the fan, the fan is fixed on ground, the export intercommunication of fan has the pipe, the one end intercommunication of pipe has the shunt tubes, a plurality of spout has been seted up on the shunt tubes, the both sides of shunt tubes all are connected with the fixing base, every the fixing base all is connected the backup pad.
Preferably, the spouts are equally spaced along the length of the shunt tube.
Preferably, the push pedal mechanism includes the screwed pipe, the screwed pipe is connected the backup pad, the screwed pipe intercommunication the recess, the screwed pipe in-connection has the threaded rod, the upper end of threaded rod is connected with the push pedal, the push pedal with the recess cooperatees, the bottom of threaded rod is connected with the handle.
Preferably, the handle is sleeved with an anti-slip sleeve.
The invention also provides a metal plate texturing method based on laser, which comprises the following steps:
s1: placing a metal plate in the object placing groove, and starting a pulse laser;
s2: the pushing mechanism pushes the pulse laser to move in the longitudinal direction and move to the edge position, the horizontal position of the pulse laser is changed through the second electric telescopic rod, the pushing mechanism drives the pulse laser to contract, and the pulse laser reciprocates to roughen the metal plate;
s3: after the texturing, start cooling body and cool off the metal sheet, after the cooling plate, promote the metal sheet through push pedal mechanism for the metal sheet with put the separation of thing groove, take out the metal sheet after the texturing.
The invention provides a laser-based metal plate texturing device and a texturing method thereof, which have the beneficial effects that:
after the pushing mechanism is started, the pulse laser is pushed to move longitudinally, the edge of the plate is moved to the position, the horizontal position of the pulse laser is changed through the second electric telescopic rod, texturing is completed through the change of the horizontal position and the longitudinal position of the pulse laser, after machining is finished, the metal plate strip is pushed out by the pushing plate mechanism to be placed in the material placing groove, the metal plate is separated from the material placing groove, and the metal plate strip is convenient to take out.
Drawings
FIG. 1 is a first schematic structural diagram of a laser-based metal plate texturing apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of a laser-based metal plate texturing apparatus according to the present invention;
FIG. 3 is a schematic view of a connection structure between a second fixing frame and a pulse laser in a laser-based metal plate band roughening apparatus according to the present invention;
fig. 4 is a schematic cross-sectional structural view of a support plate in a laser-based metal plate texturing apparatus according to the present invention.
In the figure: the device comprises a supporting plate 1, an object placing groove 2, a supporting rod 3, a fixing foot 4, a bottom plate 5, a guide rail 6, a fixing rod 7, a fixing sleeve 8, a first electric telescopic rod 9, a slide rail guide block 10, a first fixing frame 11, a controller 12, a supporting column 13, a top plate 14, a second fixing frame 15, a sliding groove 16, a pulse laser 17, a second electric telescopic rod 18, a fan 19, a guide pipe 20, a shunt pipe 21, a nozzle 22, a fixing seat 23, a groove 24, a push plate 25, a threaded pipe 26, a threaded rod 27 and a handle 28.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-4, a metal plate strip texturing device based on laser, including backup pad 1, put thing groove 2 has been seted up to the upper end of backup pad 1, put the effect in thing groove 2 and place the metal plate strip that needs the texturing, the bottom fixedly connected with a plurality of stabilizer blade mechanism of backup pad 1, the effect of stabilizer blade mechanism supports fixed support plate 1, one side bottom of stabilizer blade mechanism is connected with bottom plate 5, the upper end of bottom plate 5 is connected with first mount 11, the upper end of first mount 11 is connected with controller 12, the upper end of bottom plate 5 is connected with pushing mechanism, pushing mechanism's effect is that promote support column 13 is at longitudinal direction reciprocating motion, pushing mechanism's upper end fixedly connected with support column 13, the effect of support column 13 is that support fixed roof 14.
The upper end of the supporting column 13 is fixedly connected with a top plate 14, the top plate 14 is used for fixing a second fixing frame 15, the bottom end of the top plate 14 is connected with the second fixing frame 15, the second fixing frame 15 is used for limiting a pulse laser 17, so that the pulse laser 17 can stably move in the horizontal direction, the bottom end of the second fixing frame 15 is provided with a sliding groove 16, the sliding groove 16 is used for connecting the pulse laser 17, the sliding groove 16 is slidably connected with the pulse laser 17, the pulse laser 17 is used for texturing a metal plate strip after being electrified and started, the supporting column 13 is connected with a second electric telescopic rod 18, the second electric telescopic rod 18 is used for pushing the pulse laser 17 to reciprocate in the horizontal direction, the telescopic end of the second electric telescopic rod 18 is connected with the pulse laser 17, the supporting plate 1 is connected with a cooling mechanism, the cooling mechanism is used for cooling the textured metal plate strip, the bottom end of the article placing groove 2 is provided with a groove 24, the groove 24 is provided with a push plate mechanism, and the push plate mechanism is used for pushing the metal plate strip out of the article placing groove 2 after the processing is finished, so that the metal plate strip can be taken out conveniently.
The invention also provides a metal plate texturing method based on laser, which comprises the following steps:
s1: placing a metal plate in the object placing groove, and starting a pulse laser;
s2: the pushing mechanism pushes the pulse laser to move in the longitudinal direction and move to the edge position, the horizontal position of the pulse laser is changed through the second electric telescopic rod, the pushing mechanism drives the pulse laser to contract, and the pulse laser reciprocates to roughen the metal plate;
s3: after the texturing, start cooling body and cool off the metal sheet, after the cooling plate, promote the metal sheet through push pedal mechanism for the metal sheet with put the separation of thing groove, take out the metal sheet after the texturing.
Example 2
Referring to fig. 1-4, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the leg mechanism includes a supporting rod 3, the upper end of the supporting rod 3 is connected to the supporting plate 1, the supporting rod 3 is connected to the bottom plate 5, the bottom end of one side of the supporting rod 3 is connected to a fixing foot 4, the fixing foot 4 is used for fixing the supporting rod 3, and fixing holes are formed in the fixing foot 4.
Example 3
Referring to fig. 1-4, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the pushing mechanism includes a guide rail 6, the guide rail 6 is used to enable a slide rail guide block 10 to move, the guide rail 6 is connected to a bottom plate 5, the upper end of the guide rail 6 is slidably connected to the slide rail guide block 10, the upper end of the slide rail guide block 10 is connected to a support column 13, the guide rail 6 is connected to a fixing mechanism, the fixing mechanism is connected to a first electric telescopic rod 9, the first electric telescopic rod 9 is used to push the slide rail guide block 10 to move, the telescopic end of the first electric telescopic rod 9 is connected to the slide rail guide block 10, the first electric telescopic rod 9 pushes the slide rail guide block 10 to reciprocate on the guide rail 6 after being powered on, and the position of the support column 13 is adjusted.
Example 4
Referring to fig. 1-4, as another preferred embodiment of the present invention, the difference from embodiment 3 is that the fixing mechanism comprises a fixing rod 7, the fixing rod 7 is connected with a fixing sleeve 8, one end of the fixing rod 7 is connected with a guide rail 6, the other end of the fixing rod 7 is connected with the fixing sleeve 8, and the fixing sleeve 8 is connected with a first electric telescopic rod 9.
Example 5
Referring to fig. 1 to 4, as another preferred embodiment of the present invention, the difference from embodiment 3 is that the cooling mechanism includes a fan 19, the fan 19 is fixed on the ground, an outlet of the fan 19 is communicated with a conduit 20, one end of the conduit 20 is communicated with a shunt tube 21, the shunt tube 21 is provided with a plurality of nozzles 22, the nozzles 22 are distributed at equal intervals along the length direction of the shunt tube 21, both sides of the shunt tube 21 are connected with fixing seats 23, each fixing seat 23 is connected with the support plate 1, after the fan 19 is powered on and started, wind power is generated, and the wind power enters the shunt tube 21 through the conduit 20 and is ejected from the nozzles 22 to cool the metal plate strip.
Example 6
Referring to fig. 1-4, as another preferred embodiment of the present invention, the difference from embodiment 3 is that the push plate mechanism includes a threaded pipe 26, the threaded pipe 26 is connected to the support plate 1, the threaded pipe 26 is communicated with the groove 24, a threaded rod 27 is connected in the threaded pipe 26, the upper end of the threaded rod 27 is connected to a push plate 25, the push plate 25 is matched with the groove 24, the bottom end of the threaded rod 27 is connected to a handle 28, an anti-slip sleeve is sleeved on the handle 28, the handle 28 is rotated, and the threaded rod 27 moves upward to push the push plate 25, so that the push plate 25 is separated from the storage groove 2, and the.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A metal plate strip texturing device based on laser comprises a supporting plate (1), wherein an object placing groove (2) is formed in the upper end of the supporting plate (1), a plurality of supporting leg mechanisms are fixedly connected to the bottom end of the supporting plate (1), and the texturing device is characterized in that a bottom plate (5) is connected to the bottom end of one side of each supporting leg mechanism, a first fixing frame (11) is connected to the upper end of the bottom plate (5), a controller (12) is connected to the upper end of the first fixing frame (11), a pushing mechanism is connected to the upper end of the bottom plate (5), a supporting column (13) is fixedly connected to the upper end of the pushing mechanism, a top plate (14) is fixedly connected to the upper end of the supporting column (13), a second fixing frame (15) is connected to the bottom end of the top plate (14), a sliding groove (16) is formed in the bottom end of the second fixing frame, be connected with second electric telescopic handle (18) on support column (13), the flexible end of second electric telescopic handle (18) is connected pulse laser instrument (17), be connected with cooling body on backup pad (1), put the bottom in thing groove (2) and seted up recess (24), install push pedal mechanism on recess (24).
2. The laser-based metal plate strip texturing device according to claim 1, wherein the supporting leg mechanism comprises a supporting bar (3), the upper end of the supporting bar (3) is connected with the supporting plate (1), the supporting bar (3) is connected with the bottom plate (5), the bottom end of one side of the supporting bar (3) is connected with a fixing leg (4), and the fixing leg (4) is provided with a fixing hole.
3. The laser-based metal plate strip texturing device according to claim 1, wherein the pushing mechanism comprises a guide rail (6), the guide rail (6) is connected with the bottom plate (5), a slide rail guide block (10) is slidably connected to the upper end of the guide rail (6), the upper end of the slide rail guide block (10) is connected with the supporting column (13), a fixing mechanism is connected to the guide rail (6), a first electric telescopic rod (9) is connected to the fixing mechanism, and the telescopic end of the first electric telescopic rod (9) is connected with the slide rail guide block (10).
4. A laser-based metal plate strip texturing apparatus according to claim 3, wherein the fixing mechanism comprises a fixing rod (7), one end of the fixing rod (7) is connected with the guide rail (6), the other end of the fixing rod (7) is connected with a fixing sleeve (8), and the fixing sleeve (8) is connected with the first electric telescopic rod (9).
5. The laser-based metal plate strip texturing device according to claim 1, wherein the cooling mechanism comprises a fan (19), the fan (19) is fixed on the ground, a conduit (20) is communicated with an outlet of the fan (19), a shunt pipe (21) is communicated with one end of the conduit (20), a plurality of nozzles (22) are arranged on the shunt pipe (21), fixing seats (23) are connected to two sides of the shunt pipe (21), and each fixing seat (23) is connected with the support plate (1).
6. A laser-based sheet metal texturing apparatus according to claim 5, wherein the nozzles (22) are equally spaced along the length of the shunt tube (21).
7. A laser-based metal plate strip texturing device according to claim 1, wherein the push plate mechanism comprises a threaded pipe (26), the threaded pipe (26) is connected with the support plate (1), the threaded pipe (26) is communicated with the groove (24), a threaded rod (27) is connected in the threaded pipe (26), the upper end of the threaded rod (27) is connected with a push plate (25), the push plate (25) is matched with the groove (24), and the bottom end of the threaded rod (27) is connected with a handle (28).
8. A laser-based sheet metal texturing apparatus according to claim 7, wherein the handle (28) is fitted with an anti-slip cover.
9. A method of laser-based texturing of sheet metal strips according to any of claims 1 to 8, comprising the steps of:
s1: placing a metal plate in the object placing groove, and starting a pulse laser;
s2: the pushing mechanism pushes the pulse laser to move in the longitudinal direction and move to the edge position, the horizontal position of the pulse laser is changed through the second electric telescopic rod, the pushing mechanism drives the pulse laser to contract, and the pulse laser reciprocates to roughen the metal plate;
s3: after the texturing, start cooling body and cool off the metal sheet, after the cooling plate, promote the metal sheet through push pedal mechanism for the metal sheet with put the separation of thing groove, take out the metal sheet after the texturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558592.0A CN112894144A (en) | 2020-12-25 | 2020-12-25 | Metal plate strip texturing device based on laser and texturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558592.0A CN112894144A (en) | 2020-12-25 | 2020-12-25 | Metal plate strip texturing device based on laser and texturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112894144A true CN112894144A (en) | 2021-06-04 |
Family
ID=76111485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011558592.0A Pending CN112894144A (en) | 2020-12-25 | 2020-12-25 | Metal plate strip texturing device based on laser and texturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112894144A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049956A (en) * | 2009-08-26 | 2011-05-11 | 许克莱茵有限公司 | Method for producing a surface structure for a metallic press plate, endless belt or embossing roller |
| CN204195062U (en) * | 2014-10-29 | 2015-03-11 | 南京航空航天大学 | A kind of fully-automatic laser texturing equipment for metal sheet surface process |
| CN106735874A (en) * | 2016-12-27 | 2017-05-31 | 青岛理工大学 | The apparatus and method that a kind of femtosecond laser parallel processes light guide plate scattering netted dot |
| CN206509647U (en) * | 2017-02-24 | 2017-09-22 | 东莞市渝洋机械设备有限公司 | Laser charging ＆ discharging machine |
| CN107695575A (en) * | 2017-11-21 | 2018-02-16 | 佛山市奔捷普机电科技有限公司 | A kind of hardware sheet material welding processing of more installation grooves dust suction environmental protection frame |
| CN208427836U (en) * | 2018-06-01 | 2019-01-25 | 武汉富乐瑞激光工程有限公司 | A kind of new pattern laser rough processing device |
| CN208906349U (en) * | 2018-10-12 | 2019-05-28 | 江苏国源激光智能装备制造有限公司 | A kind of laser roughening device |
| CN211661355U (en) * | 2020-02-14 | 2020-10-13 | 苏州辉华新材料科技有限公司 | Accurate cutting equipment of filtering material |
-
2020
- 2020-12-25 CN CN202011558592.0A patent/CN112894144A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049956A (en) * | 2009-08-26 | 2011-05-11 | 许克莱茵有限公司 | Method for producing a surface structure for a metallic press plate, endless belt or embossing roller |
| CN204195062U (en) * | 2014-10-29 | 2015-03-11 | 南京航空航天大学 | A kind of fully-automatic laser texturing equipment for metal sheet surface process |
| CN106735874A (en) * | 2016-12-27 | 2017-05-31 | 青岛理工大学 | The apparatus and method that a kind of femtosecond laser parallel processes light guide plate scattering netted dot |
| CN206509647U (en) * | 2017-02-24 | 2017-09-22 | 东莞市渝洋机械设备有限公司 | Laser charging ＆ discharging machine |
| CN107695575A (en) * | 2017-11-21 | 2018-02-16 | 佛山市奔捷普机电科技有限公司 | A kind of hardware sheet material welding processing of more installation grooves dust suction environmental protection frame |
| CN208427836U (en) * | 2018-06-01 | 2019-01-25 | 武汉富乐瑞激光工程有限公司 | A kind of new pattern laser rough processing device |
| CN208906349U (en) * | 2018-10-12 | 2019-05-28 | 江苏国源激光智能装备制造有限公司 | A kind of laser roughening device |
| CN211661355U (en) * | 2020-02-14 | 2020-10-13 | 苏州辉华新材料科技有限公司 | Accurate cutting equipment of filtering material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104528394B (en) | Take pipe device | |
| CN106313154A (en) | Device for cleaning cucumber slices | |
| CN109434274A (en) | Tube sheet one laser cutting device and method | |
| CN210360088U (en) | Tool clamp for welding galvanized pipe | |
| CN112894144A (en) | Metal plate strip texturing device based on laser and texturing method thereof | |
| CN104528395B (en) | Pipe-conveying device | |
| CN208437838U (en) | A kind of laser cutting machine | |
| CN105750738B (en) | A kind of laser template cutting machine | |
| CN113369927A (en) | Adjustable fixture for cutting and processing building steel | |
| CN112024954A (en) | Milling machine with dust removal function | |
| CN210849156U (en) | Steel pipe cutting device capable of polishing fracture | |
| CN106001809A (en) | Electric spark cutting technological equipment table | |
| CN215966604U (en) | Transverse cutting machine for aluminum pipe processing | |
| CN113634924B (en) | Laser cutting device | |
| CN216227276U (en) | Plate cutting device | |
| CN213560446U (en) | Flame cutting machine | |
| CN212329928U (en) | Electric spark cutting machine for stainless steel pipe machining | |
| CN207310940U (en) | A kind of cooling mechanism for wooden door carving | |
| CN219521523U (en) | Woodwork processing surface leveling mechanism | |
| CN212945774U (en) | Square tube cutting equipment for basketball stand production | |
| CN205969187U (en) | Paper tube cutting machine | |
| CN220296083U (en) | Cutting device is used in production of aluminium cushion | |
| CN216828939U (en) | Adjustable clamping device for aluminum cutting | |
| CN213470581U (en) | Surface deburring device for furniture cabinet production | |
| CN216912459U (en) | Plasma cutting machine adjusting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210604 |