CN113926761A - FPC circuit board processing cutting equipment - Google Patents
FPC circuit board processing cutting equipment Download PDFInfo
- Publication number
- CN113926761A CN113926761A CN202111068339.1A CN202111068339A CN113926761A CN 113926761 A CN113926761 A CN 113926761A CN 202111068339 A CN202111068339 A CN 202111068339A CN 113926761 A CN113926761 A CN 113926761A
- Authority
- CN
- China
- Prior art keywords
- movable rod
- frame
- ring
- blocking plate
- connecting pipe
- 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.)
- Granted
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 39
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims 1
- 238000010008 shearing Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
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- B08B1/12—
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- B08B1/32—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Abstract
The invention discloses FPC circuit board processing and cutting equipment, wherein a stepping motor is arranged at the lower end of a disc, a telescopic head at the lower end of the stepping motor is connected with a conical connecting pipe, a connecting hole is formed in the upper end of the conical connecting pipe, a barrier plate is arranged at the lower end of the conical connecting pipe, a cleaning structure comprises a cross bar and a hairbrush, the cross bar is arranged at the lower part of the end surface of the barrier plate, the hairbrush is arranged at the lower end of the cross bar, and the lower end of the hairbrush is in contact with a workbench; the invention discloses a high-temperature anti-corrosion storage tank, which belongs to the field of FPC (flexible printed circuit) line shearing equipment.A stepping motor drives a blocking plate to rotate by an angle, a hairbrush is driven to rotate in the rotating process of the blocking plate, the hairbrush is in contact with the upper end surface of a workbench and cleans scraps shearing an FPC circuit board at the upper end of the workbench, the stepping motor continues to drive the blocking plate to rotate, the hairbrush drives the scraps to be in contact with the edge of the workbench, and a gap is formed between the workbench and a support, so that the scraps can be swept away, and the phenomenon that the scraps influence the shearing operation of the next FPC circuit board is avoided.
Description
Technical Field
The invention relates to the field of FPC (flexible printed circuit) line shearing equipment, in particular to FPC circuit board processing and cutting equipment.
Background
Flexible circuits (FPC) are highly reliable, flexible printed circuits made of polyester film or polyimide as a substrate, and flexible circuits are formed by stacking a large number of precision components in a narrow and limited space by embedding a circuit design on a thin and flexible plastic sheet. The circuit can be bent at will, is folded, has light weight, small volume, good heat dissipation and convenient installation, and breaks through the traditional interconnection technology;
the Chinese utility model has the patent application number of CN202021411778.9, and the patent name is a directional cutting device of FPC circuit board, which comprises a workbench, wherein a support is installed at the top of the workbench, a cross beam is installed at the inner side of the support, a first lead screw is installed at the inner side of the cross beam, a supporting block is connected at the outer side of the first lead screw, a laser emitter is installed at the bottom of the supporting block, a second lead screw is installed at the inner side of the workbench, a box body is installed at the bottom of the workbench, universal wheels are installed at the outer side of the bottom of the box body, a first supporting column is installed at the inner side of the bottom of the box body, a second supporting column is installed at the bottom of the first supporting column, and a control console is installed at one side of the box body;
during the cutting operation of the FPC circuit board, scraps can be generated after the FPC circuit board is cut, and the scraps are placed on the table top to influence the next cutting operation of the FPC circuit board.
Disclosure of Invention
Technical problem to be solved
The invention mainly aims to provide FPC (flexible printed circuit) board processing and cutting equipment, which solves the problems of the background technology.
(II) technical scheme
In order to solve the technical problem, the invention provides FPC (flexible printed circuit) board processing and cutting equipment which comprises a tool seat moving frame, a cutting tool seat, a support, a workbench and a driving mechanism, wherein the workbench is arranged in the frame of the support, the driving mechanisms are arranged on two sides of the workbench, the upper end of the driving mechanism is connected with the tool seat moving frame, the tool seat moving frame moves through the driving mechanism, one side of the tool seat moving frame is connected with the cutting tool seat, the cutting tool seat moves through a driving device of the tool seat moving frame, the other side of the tool seat moving frame is provided with a rotary blocking structure, and the lower part of the end surface of the rotary blocking structure is connected with a cleaning structure;
the rotation type blocks the structure and includes L type support frame, disc, step motor, conical connecting pipe, connecting hole and barrier plate, and the opposite side that the tool holder removed the frame installs L type support frame, and the other end of L type support frame is provided with the disc, the lower extreme of disc is equipped with step motor, and step motor's lower extreme flexible head is connected with conical connecting pipe, the connecting hole has been seted up to the upper end of conical connecting pipe, and the lower extreme of conical connecting pipe is equipped with the barrier plate, clean the structure and include horizontal bar and brush, and the terminal surface lower part of barrier plate is equipped with the horizontal bar, the lower extreme of horizontal bar is equipped with the brush, and the lower extreme contact workstation of brush.
As a further preferable scheme of the invention, the cleaning structure further comprises a fixed block, a movable rod, a first connecting ring, a first spring, a second connecting ring and a second spring, wherein the fixed block is arranged in the middle section of the end surface of the blocking plate, the movable rod is inserted into an opening at the upper end of the fixed block, the first connecting ring is arranged at the upper end of the movable rod, the first spring is arranged between the two first connecting rings, the second connecting ring is arranged at the lower end of the movable rod, the second spring is arranged between the two second connecting rings, and the movable rod is connected with the cross bar through a bolt;
as a further preferable aspect of the present invention, the two rings of the first connecting ring are divided into an upper end ring and a lower end ring, the two rings of the second connecting ring are divided into an upper end ring and a lower end ring, the upper end ring of the first connecting ring is fixedly connected to the movable rod, and the lower end ring of the second connecting ring is fixedly connected to the movable rod;
as a further preferable scheme of the present invention, the first spring is fixedly connected with the first connecting ring, the second spring is fixedly connected with the second connecting ring, the fixed block is fixedly connected with the blocking plate, and the fixed block is movably arranged with the movable rod;
as a further preferable aspect of the present invention, the lower end of the blocking plate is an inclined surface;
as a further preferable scheme of the invention, the L-shaped support frame and the disc are integrally arranged, the disc is fixedly connected with the stepping motor through a bolt, and the L-shaped support frame is fixedly connected with the cutter seat moving frame through a bolt;
as a further preferable scheme of the present invention, the opening of the side wall of the telescopic end of the stepping motor is aligned with the opening of the hole wall of the connection hole, the stepping motor is connected with the conical connection pipe through a bolt, and the conical connection pipe and the blocking plate are integrally arranged.
(III) advantageous effects
The technical scheme of the invention has the following advantages:
the labor real-name management equipment provided by the invention has the advantages that the stepping motor drives the blocking plate to rotate by an angle, the blocking plate drives the brush to rotate in the rotating process, because the hairbrush contacts the upper end surface of the workbench, the hairbrush cleans the scraps of the FPC circuit board sheared by the upper end of the workbench, the stepping motor continues to drive the blocking plate to rotate, the hairbrush drives the scraps to contact the edge of the workbench, a gap is formed between the workbench and the bracket, the scrap can be swept, the shearing operation of the next FPC circuit board is prevented from being influenced by the scrap, the smooth operation of the shearing operation of the FPC circuit board is ensured, the spring, the connecting ring and the movable rod are matched for use, the reset of the up-and-down movement of the movable rod can be realized, because the movable rod is connected with the horizontal bar and the brush, the up-and-down movement of the brush is realized, when the brush moves up and down, when the FPC circuit board is cut and is not taken away, the brush can also clean the scraps on the FPC circuit board.
Drawings
FIG. 1 is a schematic top view of the overall structure of the present invention;
FIG. 2 is a schematic view of the tool base moving frame, the rotary blocking structure and the cleaning structure of the present invention;
FIG. 3 is a schematic view of the rotary barrier and sweeper structures of the present invention;
FIG. 4 is an exploded view of the rotary barrier structure of the present invention;
FIG. 5 is an exploded view of the sweeping mechanism of the present invention;
FIG. 6 is a schematic view of the rotation direction of the blocking plate according to the present invention.
In the figure: 1. a tool base moving frame; 2. a rotary blocking structure; 201. an L-shaped support frame; 202. a disc; 203. a stepping motor; 204. a conical connecting tube; 205. connecting holes; 206. a blocking plate; 3. a cleaning structure; 301. a fixed block; 302. a movable rod; 303. a first connecting ring; 304. a first spring; 305. a second connection ring; 306. a second spring; 307. a horizontal bar; 308. a brush; 4. a cutting tool holder; 5. a support; 6. a work table; 7. a drive mechanism.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-6, an FPC circuit board processing and cutting apparatus includes a tool seat moving frame 1, a cutting tool seat 4, a support 5, a workbench 6 and a driving mechanism 7, wherein the support 5 is provided with the workbench 6 inside, two sides of the workbench 6 are provided with the driving mechanism 7, the upper end of the driving mechanism 7 is connected with the tool seat moving frame 1, the tool seat moving frame 1 moves through the driving mechanism 7, one side of the tool seat moving frame 1 is connected with the cutting tool seat 4, the cutting tool seat 4 moves through the driving device of the tool seat moving frame 1, the other side of the tool seat moving frame 1 is provided with a rotary blocking structure 2, and the lower part of the end surface of the rotary blocking structure 2 is connected with a cleaning structure 3;
the rotary type blocking structure 2 comprises an L-shaped supporting frame 201, a disc 202, a stepping motor 203, a conical connecting pipe 204, a connecting hole 205 and a blocking plate 206, the L-shaped supporting frame 201 is installed on the other side of the cutter holder moving frame 1, the disc 202 is arranged at the other end of the L-shaped supporting frame 201, the stepping motor 203 is arranged at the lower end of the disc 202, the conical connecting pipe 204 is connected to the telescopic head at the lower end of the stepping motor 203, the connecting hole 205 is formed at the upper end of the conical connecting pipe 204, the blocking plate 206 is arranged at the lower end of the conical connecting pipe 204, the cleaning structure 3 comprises a cross bar 307 and a hair brush 308, the cross bar 307 is arranged at the lower part of the end face of the blocking plate 206, the hair brush 308 is arranged at the lower end of the cross bar 307, the lower end of the hair brush 308 contacts with the workbench 6, the lower end of the blocking plate 206 is an inclined plane, the L-shaped supporting frame 201 and the disc 202 are integrally arranged, the disc 202 is fixedly connected with the stepping motor 203 through bolts, the L-shaped supporting frame 201 is fixedly connected with the cutter holder moving frame 1 through bolts, when the flexible printed circuit board cleaning device is used, an FPC circuit board is arranged on the workbench 6, the driving mechanism 7 drives the tool holder moving frame 1 to move, the tool holder moving frame 1 is connected with the rotary blocking structure 2 to further drive the rotary blocking structure 2 and the cleaning structure 3 to move, the driving device on the tool holder moving frame 1 drives the cutting tool holder 4 to move, the cutting tool of the cutting tool holder 4 carries out shearing operation on the FPC circuit board, after the FPC circuit board is taken out, the driving mechanism 7 drives the tool holder moving frame 1 to continue to move, the stepping motor 203 drives the blocking plate 206 to rotate by an angle, the blocking plate 206 drives the brush 308 to rotate in the rotating process, and the brush 308 is in contact with the upper end face of the workbench 6, brush 308 cleans the piece that FPC circuit board was cuted to 6 upper ends of workstation, and step motor 203 continues to drive the stopper 206 rotation, and brush 308 drives the edge of piece contact workstation 6, has the gap between workstation 6 and the support 5, can realize clastic sweeping, avoids the shearing operation of piece influence next FPC circuit board, ensures going on smoothly of FPC circuit board shearing operation.
As a further preferable scheme of the present invention, the cleaning structure 3 further includes a fixed block 301, a movable rod 302, a first connecting ring 303, a first spring 304, a second connecting ring 305 and a second spring 306, the fixed block 301 is disposed at the middle section of the end surface of the blocking plate 206, the movable rod 302 is inserted into an opening at the upper end of the fixed block 301, the first connecting ring 303 is disposed at the upper end of the movable rod 302, the first spring 304 is disposed between the two first connecting rings 303, the second connecting ring 305 is disposed at the lower end of the movable rod 302, the second spring 306 is disposed between the two second connecting rings 305, the movable rod 302 is connected with the cross bar 307 through bolts, the two rings of the first connecting ring 303 are divided into an upper end ring and a lower end ring, the two rings of the second connecting ring 305 are divided into an upper end ring and a lower end ring, the upper end ring of the first connecting ring 303 is fixedly connected with the movable rod 302, the lower end ring of the second connecting ring 305 is fixedly connected with the movable rod 302, the first spring 304 is fixedly connected with the first connecting ring 303, the second spring 306 is fixedly connected with the second connecting ring 305, the fixed block 301 is fixedly connected with the blocking plate 206, the fixed block 301 is movably arranged with the movable rod 302, the lower end of the blocking plate 206 is an inclined plane, the L-shaped support frame 201 and the disc 202 are integrally arranged, the disc 202 is fixedly connected with the stepping motor 203 through a bolt, the L-shaped support frame 201 is fixedly connected with the tool holder moving frame 1 through a bolt, an opening on the side wall of the telescopic end head of the stepping motor 203 is aligned with an opening on the wall of the connecting hole 205, the stepping motor 203 is connected with the conical connecting pipe 204 through a bolt, the conical connecting pipe 204 and the blocking plate 206 are integrally arranged, the spring, the connecting rings and the movable rod 302 are matched for use, the reset of the movable rod 302 in the up-and-down movement can be realized, because the movable rod 302 is connected with the cross bar 307 and the brush 308, the up-down movement of the brush 308 is further realized, when the brush 308 moves up-down, when the FPC board is cut and is not taken away, the brush 308 can also clean the scraps on the FPC board.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, unless otherwise specified, "a plurality" means one or more; "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a FPC circuit board processing cutting equipment, includes that the tool holder removes frame (1), cutting tool seat (4), support (5), workstation (6) and actuating mechanism (7), be provided with workstation (6) in the frame of support (5), and the both sides of workstation (6) are provided with actuating mechanism (7), the upper end of actuating mechanism (7) is connected with the tool holder and removes frame (1), and the tool holder removes frame (1) and removes through actuating mechanism (7), one side that the tool holder removed frame (1) is connected with cutting tool seat (4), and cutting tool seat (4) removes through the drive arrangement that the tool holder removed frame (1) and remove its characterized in that: the other side of the cutter seat moving frame (1) is provided with a rotary blocking structure (2), and the lower part of the end surface of the rotary blocking structure (2) is connected with a cleaning structure (3);
the rotary type blocking structure (2) comprises an L-shaped support frame (201), a disc (202), a stepping motor (203), a conical connecting pipe (204), a connecting hole (205) and a blocking plate (206), the L-shaped support frame (201) is installed on the other side of the cutter seat moving frame (1), the disc (202) is arranged at the other end of the L-shaped support frame (201), the stepping motor (203) is arranged at the lower end of the disc (202), the conical connecting pipe (204) is connected to the telescopic head of the lower end of the stepping motor (203), the connecting hole (205) is formed in the upper end of the conical connecting pipe (204), the blocking plate (206) is arranged at the lower end of the conical connecting pipe (204), the cleaning structure (3) comprises a cross bar (307) and a brush (308), the cross bar (307) is arranged on the lower portion of the end face of the blocking plate (206), the brush (308) is arranged at the lower end face of the cross bar (307), and the lower end of the brush (308) contacts the table (6).
2. The FPC board processing and cutting equipment of claim 1, wherein: clean structure (3) and still include fixed block (301), movable rod (302), first go-between (303), first spring (304), second go-between (305) and second spring (306), and baffle (206) terminal surface middle section is provided with fixed block (301), fixed block (301) upper end trompil department has inserted movable rod (302), and the upper end of movable rod (302) is equipped with first go-between (303), two be equipped with first spring (304) between first go-between (303), the lower extreme of movable rod (302) is equipped with second go-between (305), two be equipped with second spring (306) between second go-between (305), movable rod (302) pass through bolted connection with horizontal bar (307).
3. The FPC board processing and cutting equipment of claim 2, wherein: the two rings of the first connecting ring (303) are divided into an upper end ring and a lower end ring, the two rings of the second connecting ring (305) are divided into an upper end ring and a lower end ring, the upper end ring of the first connecting ring (303) is fixedly connected with the movable rod (302), and the lower end ring of the second connecting ring (305) is fixedly connected with the movable rod (302).
4. The FPC board processing and cutting equipment of claim 2, wherein: the first spring (304) is fixedly connected with the first connecting ring (303), the second spring (306) is fixedly connected with the second connecting ring (305), the fixed block (301) is fixedly connected with the blocking plate (206), and the fixed block (301) and the movable rod (302) are movably arranged.
5. An FPC board processing and cutting apparatus according to claim 1 or 2, wherein: the lower end of the blocking plate (206) is an inclined surface.
6. An FPC board processing and cutting apparatus according to claim 1 or 2, wherein: l type support frame (201) and disc (202) integrative setting, and disc (202) pass through bolt and step motor (203) fixed connection, L type support frame (201) pass through bolt and tool apron removal frame (1) fixed connection.
7. An FPC board processing and cutting apparatus according to claim 1 or 2, wherein: the flexible end lateral wall trompil of step motor (203) aligns with connecting hole (205) pore wall trompil, and step motor (203) passes through bolted connection with conical connecting pipe (204), conical connecting pipe (204) and barrier plate (206) an organic whole set up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111068339.1A CN113926761B (en) | 2021-09-13 | 2021-09-13 | FPC circuit board processing cutting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111068339.1A CN113926761B (en) | 2021-09-13 | 2021-09-13 | FPC circuit board processing cutting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113926761A true CN113926761A (en) | 2022-01-14 |
| CN113926761B CN113926761B (en) | 2023-03-10 |
Family
ID=79275651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111068339.1A Active CN113926761B (en) | 2021-09-13 | 2021-09-13 | FPC circuit board processing cutting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113926761B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201550A (en) * | 2018-08-14 | 2019-01-15 | 郑州搜趣信息技术有限公司 | A kind of electronic product deashing device |
| CN210190018U (en) * | 2019-05-31 | 2020-03-27 | 东莞凤岗嘉安塑胶五金有限公司 | Automatic water notching machine capable of avoiding waste residue |
| CN111230583A (en) * | 2020-03-06 | 2020-06-05 | 东莞市飞尧科技有限公司 | High ray apparatus that garrulous bits of preventing spatter all around |
| CN211662114U (en) * | 2019-12-18 | 2020-10-13 | 李云扬 | Novel glass fiber plate processing is with protection device |
| CN213255811U (en) * | 2020-09-25 | 2021-05-25 | 贵州圣鑫玻璃有限责任公司 | Toughened glass cutting device |
-
2021
- 2021-09-13 CN CN202111068339.1A patent/CN113926761B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201550A (en) * | 2018-08-14 | 2019-01-15 | 郑州搜趣信息技术有限公司 | A kind of electronic product deashing device |
| CN210190018U (en) * | 2019-05-31 | 2020-03-27 | 东莞凤岗嘉安塑胶五金有限公司 | Automatic water notching machine capable of avoiding waste residue |
| CN211662114U (en) * | 2019-12-18 | 2020-10-13 | 李云扬 | Novel glass fiber plate processing is with protection device |
| CN111230583A (en) * | 2020-03-06 | 2020-06-05 | 东莞市飞尧科技有限公司 | High ray apparatus that garrulous bits of preventing spatter all around |
| CN213255811U (en) * | 2020-09-25 | 2021-05-25 | 贵州圣鑫玻璃有限责任公司 | Toughened glass cutting device |
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| Publication number | Publication date |
|---|---|
| CN113926761B (en) | 2023-03-10 |
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