CN112549832A - Turnover structure and bar-shaped metal plate embossing device - Google Patents
Turnover structure and bar-shaped metal plate embossing device Download PDFInfo
- Publication number
- CN112549832A CN112549832A CN202011425761.3A CN202011425761A CN112549832A CN 112549832 A CN112549832 A CN 112549832A CN 202011425761 A CN202011425761 A CN 202011425761A CN 112549832 A CN112549832 A CN 112549832A
- Authority
- CN
- China
- Prior art keywords
- plate
- gear
- mounting
- electric telescopic
- fixed
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/02—Dies; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/0052—Machines or apparatus for embossing decorations or marks, e.g. embossing coins by pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/02—Dies; Accessories
- B44B5/022—Devices for holding or supporting work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/02—Dies; Accessories
- B44B5/026—Dies
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the related technical field of embossing, in particular to a turnover structure and a strip-shaped metal plate embossing device, wherein the turnover structure is arranged on a workbench and comprises a mounting frame and a first electric telescopic rod connected with the mounting frame and the workbench, a connecting shaft rotatably connected with the mounting frame is arranged on the mounting frame in a penetrating manner, one end of the connecting shaft is fixedly provided with a mounting plate, a clamping mechanism used for clamping a metal plate is arranged on the mounting plate, the other end of the connecting shaft is connected with a gear through a one-way transmission assembly, a bracket fixedly connected with the workbench is arranged at the side end of the gear, and a rack plate is fixed on the bracket. First electric telescopic handle drive mounting bracket rebound to drive the metal sheet and remove, when the gear and rack plate contact and meshing, the mounting bracket continuously removes, and the gear rotates under rack plate's effect, thereby drives the connecting axle through one-way transmission subassembly and rotates the upset with drive fixture and metal sheet rotation.
Description
Technical Field
The invention relates to the related technical field of embossing, in particular to a turnover structure and a bar-shaped metal plate embossing device.
Background
The metal plate is a plate-shaped structural member made of a metal material, in the process of processing the metal plate, in order to meet the requirements, embossing treatment needs to be carried out on the metal plate when the metal plate is generally treated, a metal plate embossing machine is special equipment for deforming a soft steel plate to form patterns, and the decoration and the added value of the metal plate are improved through embossing, so that embossing equipment is widely applied in recent years.
When knurling to the metal sheet, because the metal sheet has two planes, consequently need overturn the metal sheet when knurling to the opposite side, when current overturn the metal sheet, need artifically take off the metal sheet from fixture, fix again on fixture after the upset, lead to work efficiency low.
Disclosure of Invention
The present invention is directed to a flip structure and a bar-type metal plate embossing apparatus, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a turnover structure is arranged on a workbench and comprises an installation frame and a first electric telescopic rod which is connected with the installation frame and the workbench, a connecting shaft which is rotatably connected with the mounting rack is arranged on the mounting rack in a penetrating way, a mounting plate is fixed at one end of the connecting shaft, the mounting plate is provided with a clamping mechanism for clamping a metal plate, the other end of the connecting shaft is connected with a gear through a one-way transmission assembly, the side end of the gear is provided with a bracket fixedly connected with the workbench, and a rack plate is fixed on the bracket, the first electric telescopic rod drives the mounting rack to vertically move to drive the clamping mechanism and the gear to move, and when the gear is meshed with the rack plate, the connecting shaft rotates unidirectionally under the action of the unidirectional transmission assembly to drive the clamping mechanism and the metal plate to overturn and keep an overturning state.
As a further scheme of the invention: the clamping mechanism comprises two oppositely arranged clamping plates, and the clamping plates are fixedly connected with the movable ends of the second electric telescopic rods on the mounting plate.
As a still further scheme of the invention: the clamping mechanism comprises a bidirectional threaded rod which is rotatably arranged in a driving cavity arranged on the inner side of the mounting plate and two threaded sleeves which are in threaded connection with the bidirectional threaded rod, and clamping plates are respectively fixed on the two threaded sleeves;
one end of the bidirectional threaded rod penetrates through the driving cavity and is fixed with a rotary table.
As a still further scheme of the invention: and a rubber pad is fixed on the inner side of the clamping plate.
As a still further scheme of the invention: one-way transmission assembly installs including rotating just intermeshing's worm wheel and worm on the mounting bracket, the worm is kept away from the one end of mounting bracket pass through ratchet with gear connection, the pivot of worm wheel pass through bevel gear group with the connecting axle rotates to be connected.
As a still further scheme of the invention: one side of the mounting frame, which is far away from the first electric telescopic rod, is further fixed with a sliding sleeve, and the sliding sleeve is sleeved on a guide rod fixedly connected with the workbench and is in sliding fit with the guide rod.
The utility model provides a bar sheet metal knurling device, bar sheet metal knurling device includes flip structure, still including installing bearing platform on the workstation and installing knurling subassembly on the workstation.
As a still further scheme of the invention: the embossing assembly comprises a movable plate and an embossing mold which is detachably mounted on the movable plate, one end of the movable plate is hinged to the support frame on the workbench, and the movable plate is hinged to the support frame through a third electric telescopic rod hinged to the movable plate.
Compared with the prior art, the invention has the beneficial effects that: the metal plate overturning device is novel in design, the metal plate is clamped through the clamping mechanism, when the metal plate needs to be overturned, the first electric telescopic rod drives the mounting frame to move upwards and drive the metal plate to move, when the gear is in contact with and meshed with the rack plate, the mounting frame continuously moves, the gear rotates under the action of the rack plate, so that the connecting shaft is driven to rotate through the one-way transmission assembly to drive the clamping mechanism and the metal plate to rotate and overturn, when the first electric telescopic rod drives the mounting frame to move downwards, the connecting shaft does not rotate along with the gear even if the gear rotates under the action of the one-way transmission assembly, at the moment, the metal plate is in an overturned state, the operation is simple, the metal plate is overturned after moving upwards for a distance, the metal plate can be effectively prevented from being blocked in the overturning process.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an inverted structure.
Fig. 2 is a schematic structural view of a clamping mechanism in another embodiment of the turnover structure.
Fig. 3 is a schematic view of the connection state of the gear and the worm in the turnover structure.
Fig. 4 is a schematic structural view of a bar-shaped metal plate embossing apparatus.
In the figure: 1-workbench, 2-bracket, 3-gear, 4-worm, 5-bevel gear set, 6-worm wheel, 7-rack plate, 8-mounting rack, 9-first electric telescopic rod, 10-connecting shaft, 11-mounting plate, 12-clamping plate, 13-electric telescopic rod, 14-metal plate, 15-rotary table, 16-bidirectional threaded rod, 17-threaded sleeve, 18-driving cavity, 19-ratchet mechanism, 20-bearing table, 21-supporting frame, 22-second electric telescopic rod, 23-movable plate and 24-embossing mold.
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. 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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 3, in an embodiment of the present invention, the turnover structure is installed on a workbench 1, the turnover structure includes an installation frame 8 and a first electric telescopic rod 9 connecting the installation frame 8 and the workbench 1, a connection shaft 10 rotatably connected to the installation frame 8 is installed on the installation frame 8 in a penetrating manner, an installation plate 11 is fixed to one end of the connection shaft 10, a clamping mechanism for clamping a metal plate 14 is arranged on the installation plate 11, a gear 3 is connected to the other end of the connection shaft 10 through a unidirectional transmission assembly, a bracket 2 fixedly connected to the workbench 1 is arranged at a side end of the gear 3, a rack plate 7 is fixed to the bracket 2, the first electric telescopic rod 9 drives the installation frame 8 to vertically move to drive the clamping mechanism and the gear 3 to move, and when the gear 3 is engaged with the rack plate 7, the connection shaft 10 rotates unidirectionally under the action of the unidirectional transmission assembly, to drive the clamping mechanism and the metal plate 14 to turn over and keep the turning state.
In the embodiment of the invention, the metal plate 14 is clamped by the arranged clamping mechanism, and when the metal plate 14 needs to be turned over, the first electric telescopic rod 9 drives the mounting rack 8 to move upwards and drives the metal plate 14 to move, when the pinion 3 is in contact with and engaged with the rack plate 7, the mounting bracket 8 is continuously moved, the pinion 3 is rotated by the rack plate 7, thereby driving the connecting shaft 10 to rotate through the one-way transmission component so as to drive the clamping mechanism and the metal plate 14 to rotate and turn over, when the first electric telescopic rod 9 drives the mounting rack 8 to move downwards, even if the gear 3 rotates under the action of the one-way transmission component, the connecting shaft 10 does not rotate along with the gear, and the metal plate 14 is in a turned state at the moment, so the operation is simple, and the metal plate 14 is turned over after moving up by a certain distance, so that the metal plate 14 can be effectively prevented from being blocked in the turning process, and the practicability is high.
In the embodiment of the present invention, the first electric telescopic rod 9 may also be replaced by an air cylinder or a hydraulic cylinder, as long as the telescopic requirement is met, which is not specifically limited in the present application.
In the embodiment of the present invention, it should be noted that when the first electric telescopic rod 9 is contracted to the shortest position, the clamping mechanism and the metal plate 14 are just at the embossing position, and at this time, the gear 3 is not in contact with the rack plate 7.
As another embodiment of the present invention, the clamping mechanism comprises two oppositely disposed clamping plates 12, and the clamping plates 12 are fixedly connected to the movable end of a second electric telescopic rod 13 mounted on the mounting plate 11.
In the embodiment of the present invention, the clamping plate 12 is driven to move by the second electric telescopic rod 13, so as to clamp or loosen the metal plate 14, and the control is convenient, meanwhile, it should be noted that the second electric telescopic rod 13 and the first electric telescopic rod 9 have the same structure, and therefore, the description of the present application is omitted.
As another embodiment of the present invention, the clamping mechanism includes a two-way threaded rod 16 rotatably installed in a driving chamber 18 provided inside the mounting plate 11, and two threaded sleeves 17 screwed on the two-way threaded rod 16, and the two threaded sleeves 17 are respectively fixed with clamping plates 12;
one end of the bidirectional threaded rod 16 penetrates through the driving cavity 18 and is fixed with a rotary disc 15.
In the embodiment of the invention, the two-way threaded rod 16 is driven to rotate by the arranged rotary table 15, and when the two-way threaded rod 16 rotates, the two threaded sleeves 17 are matched to drive the two clamping plates 12 to move oppositely so as to clamp the metal plate 14, wherein a through groove is arranged on one side of the driving cavity 18 facing the clamping plates 12, and a connecting block for connecting the threaded sleeves 17 and the clamping plates 12 is slidably mounted in the through groove.
As another embodiment of the present invention, a rubber pad is fixed to the inner side of the splint 12.
In the embodiment of the invention, the friction force between the clamping plate 12 and the metal plate 14 can be effectively increased through the arranged rubber pad so as to improve the clamping stability, and meanwhile, the arranged rubber pad can also avoid the abrasion phenomenon caused by rigid contact between the metal plate 14 and the clamping plate 12.
As another embodiment of the present invention, the unidirectional transmission assembly includes a worm wheel 6 and a worm 4 rotatably mounted on the mounting bracket 8 and engaged with each other, one end of the worm 4 away from the mounting bracket 8 is connected to the gear 3 through a ratchet mechanism 19, and a rotation shaft of the worm wheel 6 is rotatably connected to the connecting shaft 10 through a bevel gear set 5.
In the embodiment of the present invention, when the gear 3 rotates forward under the action of the rack plate 7, the worm 4 is driven to rotate under the action of the ratchet mechanism 19, the worm 4 drives the worm wheel 6 to rotate, and when the worm wheel 6 rotates, the connecting shaft 10 is driven to rotate under the action of the bevel gear set 5, and when the gear 3 rotates in reverse under the action of the rack plate 7, the worm 4 cannot be driven to rotate in cooperation with the ratchet mechanism 19, so as to implement one-way transmission, wherein it should be further noted that in the present embodiment, a self-locking effect of the worm wheel 6 and the worm 4 is adopted, so that the metal plate 14 can be kept fixed in position after being turned over.
In the embodiment of the present invention, the bevel gear set 5 is composed of two bevel gears perpendicular to each other and engaged with each other to perform a force steering transmission function, wherein a transmission ratio of the bevel gear set 5 is not specifically limited in this application and can be selected according to a requirement.
As another embodiment of the present invention, a sliding sleeve is further fixed on a side of the mounting frame 8 away from the first electric telescopic rod 9, and the sliding sleeve is sleeved on a guide rod fixedly connected with the workbench 1 and is in sliding fit with the guide rod.
Referring to fig. 4, as still another embodiment of the present invention, a bar-shaped metal plate embossing apparatus includes the turning structure, a receiving table 20 mounted on the worktable 1, and an embossing assembly mounted on the worktable 1.
In the embodiment of the invention, the receiving table 20 can effectively ensure that the metal plate 14 supports the metal plate 14 during the embossing treatment, thereby ensuring the embossing effect.
As another embodiment of the present invention, the embossing assembly includes a movable plate 23 and an embossing mold 24 detachably mounted on the movable plate 23, one end of the movable plate 23 is hinged to a support frame 21 fixed on the workbench 1, and the movable plate 23 is further hinged to the support frame 21 through a third electric telescopic rod 22 hinged thereto.
In the embodiment of the present invention, the movable plate 23 and the embossing die 24 are driven to rotate when the third electric telescopic rod 22 is extended and retracted, so as to move the embossing die 24 toward or away from the metal plate 14, wherein the third electric telescopic rod 22 and the first electric telescopic rod 9 have the same structure, and therefore, the description thereof is omitted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a flip structure, installs on workstation (1), its characterized in that, flip structure includes mounting bracket (8) and connects mounting bracket (8) reaches first electric telescopic handle (9) of workstation (1), run through on mounting bracket (8) and install connecting axle (10) of being connected with it rotation, the one end of connecting axle (10) is fixed with mounting panel (11), be provided with the fixture that is used for metal sheet (14) centre gripping on mounting panel (11), the other end of connecting axle (10) is connected with gear (3) through one-way transmission subassembly, the side of gear (3) be provided with workstation (1) fixed connection's support (2), just be fixed with rack plate (7) on support (2), first electric telescopic handle (9) drive mounting bracket (8) vertical migration, the clamping mechanism and the gear (3) are driven to move, and when the gear (3) is meshed with the rack plate (7), the connecting shaft (10) rotates in a single direction under the action of the one-way transmission assembly to drive the clamping mechanism and the metal plate (14) to overturn and keep an overturning state.
2. A convertible structure according to claim 1, characterized in that said clamping means comprise two opposite clamping plates (12), said clamping plates (12) being fixedly connected to the movable end of a second electric telescopic rod (13) mounted on said mounting plate (11).
3. A turning structure according to claim 1, characterized in that said clamping means comprise a two-way threaded rod (16) rotatably mounted in a driving chamber (18) provided inside said mounting plate (11) and two threaded sleeves (17) screwed onto said two-way threaded rod (16), said two threaded sleeves (17) being respectively fixed with a clamping plate (12);
one end of the bidirectional threaded rod (16) penetrates through the driving cavity (18) and is fixed with a rotary disc (15).
4. A flip structure according to claim 2 or 3, characterized in that a rubber pad is fixed to the inner side of the clamping plate (12).
5. A flip structure according to claim 1, wherein said one-way transmission assembly comprises a worm wheel (6) and a worm (4) rotatably mounted on said mounting frame (8) and engaged with each other, one end of said worm (4) far from said mounting frame (8) is connected to said gear (3) through a ratchet mechanism (19), and a rotation shaft of said worm wheel (6) is rotatably connected to said connecting shaft (10) through a bevel gear set (5).
6. The overturning structure according to claim 1, wherein a sliding sleeve is further fixed on one side of the mounting frame (8) far away from the first electric telescopic rod (9), and the sliding sleeve is sleeved on a guide rod fixedly connected with the workbench (1) and is in sliding fit with the guide rod.
7. Embossing device for metal strips, characterized in that it comprises a turning structure according to any one of claims 1 to 6, a receiving table (20) mounted on said work table (1) and an embossing assembly mounted on said work table (1).
8. The embossing device for strip-shaped metal sheets as claimed in claim 7, characterized in that said embossing assembly comprises a movable plate (23) and an embossing die (24) detachably mounted on said movable plate (23), one end of said movable plate (23) is hinged with a supporting frame (21) fixed on said worktable (1), and said movable plate (23) is further hinged with said supporting frame (21) through a third electric telescopic rod (22) hinged with said movable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011425761.3A CN112549832A (en) | 2020-12-08 | 2020-12-08 | Turnover structure and bar-shaped metal plate embossing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011425761.3A CN112549832A (en) | 2020-12-08 | 2020-12-08 | Turnover structure and bar-shaped metal plate embossing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112549832A true CN112549832A (en) | 2021-03-26 |
Family
ID=75059844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011425761.3A Withdrawn CN112549832A (en) | 2020-12-08 | 2020-12-08 | Turnover structure and bar-shaped metal plate embossing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112549832A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171896A (en) * | 2021-04-29 | 2021-07-27 | 赵永华 | Overturning assembly and fireproof door surface electrostatic spraying device |
| CN113172383A (en) * | 2021-06-02 | 2021-07-27 | 徐州海瑞电动车科技有限公司 | Electric motor car accessory processing is with counterpoint turning device |
| CN114672623A (en) * | 2022-05-31 | 2022-06-28 | 南通江淤新材料有限公司 | Alloy heat treatment device with transfer mechanism |
| CN114677891A (en) * | 2022-04-13 | 2022-06-28 | 湖南省中医药研究院 | Interactive, examination integral type teaching system of auricular point |
| CN115008932A (en) * | 2022-07-19 | 2022-09-06 | 深圳市辰汉珠宝有限公司 | Pattern-marking machine for pipeline beads and numerical control system for pattern-marking machine |
-
2020
- 2020-12-08 CN CN202011425761.3A patent/CN112549832A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113171896A (en) * | 2021-04-29 | 2021-07-27 | 赵永华 | Overturning assembly and fireproof door surface electrostatic spraying device |
| CN113171896B (en) * | 2021-04-29 | 2022-12-23 | 浙江三荣门业有限公司 | Overturning assembly and fireproof door surface electrostatic spraying device |
| CN113172383A (en) * | 2021-06-02 | 2021-07-27 | 徐州海瑞电动车科技有限公司 | Electric motor car accessory processing is with counterpoint turning device |
| CN114677891A (en) * | 2022-04-13 | 2022-06-28 | 湖南省中医药研究院 | Interactive, examination integral type teaching system of auricular point |
| CN114672623A (en) * | 2022-05-31 | 2022-06-28 | 南通江淤新材料有限公司 | Alloy heat treatment device with transfer mechanism |
| CN115008932A (en) * | 2022-07-19 | 2022-09-06 | 深圳市辰汉珠宝有限公司 | Pattern-marking machine for pipeline beads and numerical control system for pattern-marking machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112549832A (en) | Turnover structure and bar-shaped metal plate embossing device | |
| CN213005154U (en) | Turning device is used in aluminum alloy door and window processing | |
| CN113443430A (en) | Feeding device for plate processing | |
| CN209699275U (en) | A kind of diffuser plate movable type cutting mechanism | |
| CN113976625A (en) | Non ferrous metal location calendering device | |
| CN217096826U (en) | Quick loading attachment is used to vertical lathe of numerical control formula | |
| CN116750638A (en) | Glass clamping device | |
| CN219310746U (en) | Frock clamp for flake part convenient to adjust | |
| CN216758630U (en) | Clamping device for laser engraving of aluminum profile | |
| CN216299459U (en) | Mechanical engineering cutting device | |
| CN212350235U (en) | Construction steel bar cutting equipment | |
| CN220347364U (en) | Cutting device for processing UV printer | |
| CN218931016U (en) | Vacuum chuck grabbing device | |
| CN112317809A (en) | Automatic punching device for vehicle thermal forming floor beam | |
| CN217619267U (en) | Multi-angle adjustable hydraulic clamp | |
| CN215999617U (en) | Positioning device for tapping machine | |
| CN214721796U (en) | Welding fixing device is used in H shaped steel production | |
| CN220986228U (en) | New energy automobile panel metalwork adds clamping apparatus | |
| CN220431560U (en) | Glass material rack | |
| CN219189442U (en) | Auxiliary device for automobile part production and processing | |
| CN216759266U (en) | Surface treatment device for gearbox part | |
| CN114102398A (en) | Polishing equipment for treating surface oxide layer of metal plate | |
| CN220178392U (en) | Laser marking machine with polishing function | |
| CN220805829U (en) | All-position argon arc welding operation table | |
| CN219094174U (en) | Rotating frame for welding |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210326 |