CN113882138A - Automatic deviation rectifying edge trimmer for copper-clad plate production - Google Patents
Automatic deviation rectifying edge trimmer for copper-clad plate production Download PDFInfo
- Publication number
- CN113882138A CN113882138A CN202111146837.3A CN202111146837A CN113882138A CN 113882138 A CN113882138 A CN 113882138A CN 202111146837 A CN202111146837 A CN 202111146837A CN 113882138 A CN113882138 A CN 113882138A
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- Prior art keywords
- deviation rectifying
- deviation
- bevel gear
- rack
- copper
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
- D06H7/04—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally
- D06H7/06—Removing selvedge edges
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- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Details Of Cutting Devices (AREA)
Abstract
The invention discloses an automatic deviation rectifying and edge cutting machine for copper-clad plate production, which relates to the technical field of copper-clad plate manufacturing equipment and comprises a rack and a deviation rectifying device, wherein the rack is provided with the edge cutting device, the deviation rectifying device comprises a deviation rectifying power cylinder arranged on a deviation rectifying base, a piston rod of the deviation rectifying power cylinder is connected with a deviation rectifying rod, two ends of the deviation rectifying rod are respectively provided with a groove and a lug and are symmetrically arranged on the deviation rectifying rod, the grooves and the lugs on two sides of the deviation rectifying rod are respectively matched with the deviation rectifying component, the edge cutting device comprises an edge cutting component, a cutting component and a conveying component, and the edge cutting component, the cutting component and the conveying component are driven by a total power source. The deviation correcting device provided by the invention can automatically adjust the angle of the raw material in the whole transmission process and the position of the raw material in the transmission process so as to realize quick and effective deviation correction of transmission.
Description
Technical Field
The invention relates to the technical field of copper-clad plate manufacturing equipment, in particular to an automatic deviation rectifying edge trimmer for copper-clad plate production.
Background
The copper-clad plate is an upstream core material for manufacturing the PCB, and is a plate-shaped material which is manufactured by soaking electronic glass fiber cloth or other reinforcing materials with resin, coating copper foil on one surface or two surfaces of the electronic glass fiber cloth or other reinforcing materials and hot-pressing the electronic glass fiber cloth or other reinforcing materials, and in the transmission production process, the electronic glass fiber cloth or other reinforcing materials need to be subjected to edge cutting, and the traditional production line cannot realize effective deviation correction and edge cutting steps, so that an automatic deviation correction edge cutting machine for producing the copper-clad plate is needed, and the patent with the application number of CN201110278086.0 discloses a preparation method for an explosion and rolling semi-clad copper-aluminum composite bar, but the application can not realize the deviation correction and edge cutting actions in the production process of the copper-clad plate.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device capable of automatically rectifying deviation and trimming aiming at the defects in the prior art, and overcoming the defects that the equipment is not designed for rectifying deviation and trimming in the prior art and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: the automatic deviation rectifying and edge cutting machine for producing the copper-clad plates comprises a frame and a deviation rectifying device, wherein the frame is provided with the edge cutting device, the deviation rectifying device comprises a deviation rectifying power cylinder arranged on a deviation rectifying base, a piston rod of the deviation rectifying power cylinder is connected with a deviation rectifying rod, two ends of the deviation rectifying rod are respectively provided with a groove and a lug and are symmetrically arranged on the deviation rectifying rod, the grooves and the lugs on two sides of the deviation rectifying rod are respectively matched with a deviation rectifying component, the deviation rectifying component comprises a deviation rectifying clamping block arranged on a deviation rectifying rack I, the deviation rectifying rack I is arranged on the deviation rectifying base through a force accumulating spring, the deviation rectifying rack I is matched with a deviation rectifying gear, the deviation rectifying gear is connected with a roller rotary table, the roller rotary table is provided with rollers, the roller rollers are connected with a conveying power source, the conveying power source is arranged on the roller rotary table, and the deviation rectifying gears are simultaneously and rotatably arranged on a deviation rectifying slide block, the deviation rectifying slide block is arranged on the deviation rectifying base, the deviation rectifying gear is matched with the deviation rectifying rack II at the same time, and the deviation rectifying rack II is arranged on the deviation rectifying base.
Furthermore, the two groups of deviation rectifying assemblies are arranged in parallel along the deviation rectifying base, and the connection relation between the same parts is the same.
Further, the edge cutting device comprises an edge cutting assembly, a cutting assembly and a conveying assembly, wherein the edge cutting assembly, the cutting assembly and the conveying assembly are driven by a total power source.
Further, the edge cutting assembly comprises a first bevel gear connected with a total power source, the first bevel gear is arranged on the frame, the first bevel gear is matched with a second bevel gear, the second bevel gear is connected with a third bevel gear, the third bevel gear is matched with a fourth bevel gear, the third bevel gear and the fourth bevel gear are both arranged on a sliding plate, the fourth bevel gear is arranged at one end of an edge cutting cutter shaft, the other end of the edge cutting cutter shaft is arranged on a driven sliding plate, the driven sliding plate is arranged on the frame, and edge cutting cutters are arranged on two sides of the edge cutting cutter shaft.
Furthermore, bevel gear one is connected with the screens cam simultaneously, screens cam and cam touch multitouch cooperation, the cam touch multitouch sets up on the slide, the slide passes through supporting spring and sets up in the frame, there is the spring pin that sets up through the screens spring on the slide, be provided with the screens hole in the frame, the spring pin cooperates with the screens hole, bevel gear two is connected with bevel gear three through the telescopic shaft.
Further, cut the synchronous pulley that the subassembly includes one end and total power supply is connected, a synchronous pulley other end with cut the cam and be connected, cut the cam setting in the frame, cut the one end that is provided with cam connecting rod on the cam, the cam connecting rod other end sets up on cutting the arbor, cut the arbor both ends and all set up in the frame, cut the fixed cutter that is provided with in arbor both sides.
Further, the conveying assembly comprises a second synchronous belt wheel, one end of the second synchronous belt wheel is connected with a total power source, the other end of the second synchronous belt wheel is connected with one end of a conveying power shaft, the conveying power shaft is arranged on the rack, the conveying power shaft is connected with one end of a conveying belt, the other end of the conveying belt is arranged on the rack, waste material baffles are arranged on two sides above the conveying belt and arranged on the rack.
Compared with the prior art, the invention has the beneficial effects that: (1) the deviation correcting device can automatically adjust the angle of the glass fiber cloth in the whole transmission process and the position of the glass fiber cloth in the transmission process so as to realize quick and effective deviation correction of transmission; (2) the trimming assembly provided by the invention can be clamped when descending so as to carry out continuous trimming work (3) the cutting assembly provided by the invention can automatically realize the periodical cutting of cut waste materials so as to facilitate collection.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic structural diagram of the deviation correcting device of the present invention.
FIG. 3 is a schematic bottom view of the deviation correcting device of the present invention.
Fig. 4 is an enlarged schematic view of the front structure of the edge cutting device of the present invention.
Fig. 5 is a schematic structural view of the edge cutting device of the present invention.
Fig. 6 is an enlarged schematic side view of the trimming apparatus according to the present invention.
Reference numerals: 1-a frame; 2-a deviation correcting device; 3-trimming device; 4-a deviation rectifying base; 5-rolling a roller turntable; 6-rolling; 7-deviation rectifying power cylinder; 8-deviation rectifying rod; 9-correcting a fixture block; 10-correcting a rack I; 11-a power storage spring; 12-a deviation correcting gear; 13-a deviation rectifying slide block; 14-correcting a second rack; 15-total power source; 16-a synchronous pulley I; 17-bevel gear one; 18-a detent cam; 19-a cam contact block; 20-bevel gear two; 21-a telescopic shaft; 22-a slide plate; 23-bevel gear three; 24-bevel gear four; 25-synchronous pulley II; 26-a truncation cam; 27-a cam link; 28-cutting off the cutter shaft; 29-a cutter; 30-raw materials; 31-conveying power shaft; 32-a conveyor belt; 33-a waste barrier; 34-trimming cutter shaft; 35-edge cutting knife; 36-driven slide plate.
Detailed Description
In the following description of the present invention, it is to be noted that the terms "upper", "lower", "front", "rear", "left", "right", "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, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the following description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be direct or indirect via an intermediate medium, and the connection may be internal to the two components. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention will be further described with reference to the drawings and illustrative embodiments, which are provided herein to illustrate and not to limit the invention. In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted.
Example (b): referring to fig. 1, an automatic deviation rectifying edge trimmer for copper clad laminate production is shown, wherein a frame 1 is provided with an edge trimmer 3, and a deviation rectifying device 2 is arranged in parallel with the frame 1.
Referring to the deviation rectifying device 2 shown in fig. 1-3, wherein a deviation rectifying power cylinder 7 is fixedly arranged on a deviation rectifying base 4, a piston rod of the deviation rectifying power cylinder 7 is fixedly connected with a deviation rectifying rod 8, both ends of the deviation rectifying rod 8 are respectively provided with a groove and a lug, the deviation rectifying rod 8 is symmetrically provided with the grooves and the lugs which are matched with a deviation rectifying clamping block 9, the deviation rectifying clamping block 9 is fixedly arranged at one end of a deviation rectifying rack I10, the deviation rectifying rack I10 is slidably arranged on the deviation rectifying base 4 through a power storage spring 11, the deviation rectifying rack I10 is in gear-rack matching with a deviation rectifying gear 12, the upper surface of the deviation rectifying gear 12 is fixedly connected with a roller turntable 5, a roller 6 is rotatably arranged on the roller turntable 5, the roller 6 is fixedly connected with a material conveying power source, the material conveying power source is fixedly arranged on the roller turntable 5, the lower side of the deviation rectifying gear is rotatably arranged on a deviation rectifying slide block 13, the deviation rectifying slide block 13 is slidably arranged on the deviation rectifying base 4, the deviation rectifying gear 12 is simultaneously matched with the deviation rectifying rack II 14 in a gear-rack manner, and the deviation rectifying rack II 14 is fixedly arranged on the deviation rectifying base 4.
The two deviation rectifying gears are arranged along the deviation rectifying base 4 in parallel, and the same parts are connected in the same relation.
Referring to the edge cutting device 3 shown in fig. 1 and fig. 4-6, a total power source 15 is fixedly arranged on a frame 1, the total power source 15 is simultaneously connected with one end of a synchronous pulley 16 and a bevel gear 17, the bevel gear 17 is rotatably arranged on the frame 1, the bevel gear 17 is simultaneously fixedly connected with a clamping cam 18, the clamping cam 18 is matched with a cam contact block 19, the cam contact block 19 is fixedly arranged on the upper side of a sliding plate 22, the sliding plate 22 is slidably arranged on the frame 1 through a supporting spring, a spring pin is arranged on the sliding plate 22 through a clamping spring, a clamping hole is arranged on the frame 1, the spring pin is matched with the clamping hole, the bevel gear 17 is simultaneously in gear fit with a bevel gear II 20, the bevel gear II 20 is fixedly connected with a bevel gear III 23 through a telescopic shaft 21, the bevel gear III 23 is in gear fit with a bevel gear IV 24, the bevel gear III 23 and the bevel IV 24 are both rotatably arranged on the sliding plate 22, the bevel gear four 24 is fixedly arranged at one end of the edge cutting knife shaft 34, the other end of the edge cutting knife shaft 34 is rotatably arranged on the driven sliding plate 36, the driven sliding plate 36 is slidably arranged on the frame 1, and edge cutting knives 35 are arranged on two sides of the edge cutting knife shaft 34.
The other end of the synchronous pulley I16 is connected with a truncation cam 26, the truncation cam 26 is rotatably arranged on the frame 1, one end of a cam connecting rod 27 is rotatably arranged on the truncation cam 26, the other end of the cam connecting rod 27 is rotatably arranged on a truncation knife shaft 28, two ends of the truncation knife shaft 28 are both slidably arranged on the frame 1, and truncation knives 29 are fixedly arranged on two sides of the truncation knife shaft 28.
The other end of the first synchronous belt wheel 16 is connected with one end of the second synchronous belt wheel 25, the other end of the second synchronous belt wheel 25 is connected with one end of the conveying power shaft 31, the conveying power shaft 31 is rotatably arranged on the rack 1, the conveying power shaft 31 is connected with one end of the conveying belt 32, the other end of the conveying belt 32 is arranged on the rack 1, waste baffles 33 are arranged on two sides above the conveying belt 32, and the waste baffles 33 are fixedly arranged on the rack 1.
The working principle of the invention is as follows: when the deviation correcting device works, a raw material 30 to be processed is placed on the deviation correcting device 2, meanwhile, the raw material 30 is driven to move by the conveying power source, the raw material 30 is likely to deviate and rotate in the moving process, the deviation correcting power cylinder 7 drives the deviation correcting rod 8 to move, the groove and the projection on the deviation correcting rod 8 are matched with the two deviation correcting fixture blocks 9, when the deviation correcting fixture block 9 on one side is matched with the projection, the deviation correcting fixture block 9 on the other side is matched with the groove, vice versa, when the deviation correcting fixture block 9 on one side is matched with the projection, the deviation correcting fixture block 9 on the side drives the deviation correcting gear 12 to rotate through the deviation correcting rack I10, the deviation correcting gear 12 drives the roller turntable 5 and the roller 6 to rotate when the deviation correcting gear 12 rotates, the deviation correcting gear 12 is matched with the deviation correcting rack II 14, the deviation correcting gear 12 drives the roller 5 and the roller 6 to slide on the deviation correcting base 4 through the deviation correcting slide block 13, therefore, the deviation of the raw material 30 is corrected, the deviation-correcting fixture block 9 on the other side and parts matched with the deviation-correcting fixture block 9 are opposite in action at the moment, because the deviation-correcting fixture block 9 on the other side is matched with a groove on the deviation-correcting rod 8, when the rollers 6 on two sides move oppositely, the deviation can be quickly corrected, when the edge is cut, the main power source 15 drives the synchronous pulley I16 and the bevel gear I17 to move, when the bevel gear I17 rotates, the clamping cam 18 and the bevel gear II 20 are simultaneously driven to rotate, when the clamping cam 18 rotates, the cam contact block 19 is matched with the cam contact block 19, the cam contact block 19 drives the sliding plate 22 to move downwards, when the sliding plate moves to a certain degree, the spring pin is clamped into the clamping hole under the action of the clamping spring, the sliding plate 22 is prevented from rebounding under the action of the supporting spring, at the moment, the telescopic shaft 21 extends, the bevel gear II 20 rotates to drive the bevel gear III 23 to rotate through the telescopic shaft 21, the bevel gear III 23 drives the bevel gear IV 24 to rotate, the bevel gear IV 24 drives the edge cutting knife 35 to rotate through the edge cutting knife shaft 34 to cut edges when rotating, meanwhile, the synchronous belt wheel I16 drives the cut-off cam 26 to rotate when moving, the cut-off cam 26 drives the cut-off knife shaft 28 to slide up and down on the rack 1 through the cam connecting rod 27, meanwhile, waste materials cut off by the edge cutting knife 35 are cut off through the cut-off knife 29 on the cut-off knife shaft 28, waste materials are convenient to recycle, the cut-off waste materials can fall on the conveying belt 32 to be conveyed and recycled, the conveying belt 32 is driven by the conveying power shaft 31 through the synchronous belt wheel II 25, and the synchronous belt wheel II 25 is driven by the synchronous belt wheel I16 to move.
It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations are intended to fall within the scope of the appended claims.
Claims (7)
1. The utility model provides an automatic bead cutter of rectifying for copper-clad plate production usefulness, includes frame and deviation correcting device, be provided with side cut device in the frame, its characterized in that:
the deviation correcting device comprises a deviation correcting power cylinder arranged on a deviation correcting base, a piston rod of the deviation correcting power cylinder is connected with a deviation correcting rod, grooves and lugs are arranged at two ends of the deviation correcting rod and symmetrically arranged on the deviation correcting rod, and the grooves and the lugs at two sides of the deviation correcting rod are matched with the deviation correcting assembly;
the deviation rectifying assembly comprises a deviation rectifying fixture block arranged on a deviation rectifying rack I, the deviation rectifying rack I is arranged on a deviation rectifying base through a force accumulating spring, the deviation rectifying rack I is matched with a deviation rectifying gear, the deviation rectifying gear is connected with a roller rotary table, rollers are arranged on the roller rotary table and connected with a conveying power source, the conveying power source is arranged on the roller rotary table, the deviation rectifying gear simultaneously rotates and is arranged on a deviation rectifying slide block, the deviation rectifying slide block is arranged on the deviation rectifying base, the deviation rectifying gear is simultaneously matched with a deviation rectifying rack II, and the deviation rectifying rack II is arranged on the deviation rectifying base.
2. The automatic deviation rectifying edge trimmer for copper-clad plate production according to claim 1 is characterized in that: the two groups of deviation rectifying assemblies are arranged in parallel along the deviation rectifying base, and the connection relation between the same parts is the same.
3. The automatic deviation rectifying edge trimmer for copper-clad plate production according to claim 1 is characterized in that: the trimming device comprises a trimming component, a cutting component and a conveying component, wherein the trimming component, the cutting component and the conveying component are driven by a total power source.
4. The automatic deviation rectifying edge trimmer for copper-clad plate production according to claim 3 is characterized in that: the edge cutting assembly comprises a first bevel gear connected with a total power source, the first bevel gear is arranged on the rack, the first bevel gear is matched with a second bevel gear, the second bevel gear is connected with a third bevel gear, the third bevel gear is matched with a fourth bevel gear, the third bevel gear and the fourth bevel gear are both arranged on a sliding plate, the fourth bevel gear is arranged at one end of an edge cutting cutter shaft, the other end of the edge cutting cutter shaft is arranged on a driven sliding plate, the driven sliding plate is arranged on the rack, and edge cutting cutters are arranged on two sides of the edge cutting cutter shaft.
5. The automatic deviation rectifying edge trimmer for copper-clad plate production according to claim 4 is characterized in that: the bevel gear I is connected with the clamping cam simultaneously, the clamping cam is matched with the cam contact block, the cam contact block is arranged on the sliding plate, the sliding plate is arranged on the rack through a supporting spring, a spring pin is arranged on the sliding plate through the clamping spring, a clamping hole is formed in the rack, the spring pin is matched with the clamping hole, and the bevel gear II is connected with the bevel gear III through a telescopic shaft.
6. The automatic deviation rectifying edge trimmer for copper-clad plate production according to claim 3 is characterized in that: cut the synchronous pulley that the subassembly includes one end and total power supply is connected, a synchronous pulley other end with cut the cam and be connected, cut the cam setting in the frame, cut the one end that is provided with cam connecting rod on the cam, the cam connecting rod other end sets up on cutting the arbor, cut the arbor both ends and all set up in the frame, cut the fixed cutter that is provided with in arbor both sides.
7. The automatic deviation rectifying edge trimmer for copper-clad plate production according to claim 3 is characterized in that: the conveying assembly comprises a second synchronous belt wheel, one end of the second synchronous belt wheel is connected with a total power source, the other end of the second synchronous belt wheel is connected with one end of a conveying power shaft, the conveying power shaft is arranged on the rack and connected with one end of a conveying belt, the other end of the conveying belt is arranged on the rack, waste material baffles are arranged on two sides above the conveying belt and arranged on the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146837.3A CN113882138B (en) | 2021-09-29 | 2021-09-29 | Automatic deviation rectifying edge trimmer for copper-clad plate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146837.3A CN113882138B (en) | 2021-09-29 | 2021-09-29 | Automatic deviation rectifying edge trimmer for copper-clad plate production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113882138A true CN113882138A (en) | 2022-01-04 |
| CN113882138B CN113882138B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111146837.3A Active CN113882138B (en) | 2021-09-29 | 2021-09-29 | Automatic deviation rectifying edge trimmer for copper-clad plate production |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1166786A (en) * | 1968-05-16 | 1969-10-08 | Riggs & Lombard Inc | Apparatus for Edge Trimming Fabrics |
| US5098081A (en) * | 1990-12-24 | 1992-03-24 | Pitney Bowes Inc. | Side guides adjustment mechanism |
| CN201567494U (en) * | 2009-12-21 | 2010-09-01 | 凌霄汉 | Cotton side cut cutter of pearl |
| CN107599074A (en) * | 2017-10-20 | 2018-01-19 | 南充市龙煌建材有限公司 | Regenerate the side bead cutter of plank four |
| CN110668220A (en) * | 2019-09-25 | 2020-01-10 | 晋江市华联印铁制罐有限公司 | Color printing production line |
| CN112917548A (en) * | 2021-01-21 | 2021-06-08 | 四川裕丰新材料有限公司 | Copper-clad plate cutting device |
| CN213476443U (en) * | 2020-09-11 | 2021-06-18 | 苏州凤羽源服饰有限公司 | Textile garment fabric trimming device |
| CN214243021U (en) * | 2020-12-22 | 2021-09-21 | 威海新北洋技术服务有限公司 | Both sides deviation correcting device and check printer |
-
2021
- 2021-09-29 CN CN202111146837.3A patent/CN113882138B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1166786A (en) * | 1968-05-16 | 1969-10-08 | Riggs & Lombard Inc | Apparatus for Edge Trimming Fabrics |
| US5098081A (en) * | 1990-12-24 | 1992-03-24 | Pitney Bowes Inc. | Side guides adjustment mechanism |
| CN201567494U (en) * | 2009-12-21 | 2010-09-01 | 凌霄汉 | Cotton side cut cutter of pearl |
| CN107599074A (en) * | 2017-10-20 | 2018-01-19 | 南充市龙煌建材有限公司 | Regenerate the side bead cutter of plank four |
| CN110668220A (en) * | 2019-09-25 | 2020-01-10 | 晋江市华联印铁制罐有限公司 | Color printing production line |
| CN213476443U (en) * | 2020-09-11 | 2021-06-18 | 苏州凤羽源服饰有限公司 | Textile garment fabric trimming device |
| CN214243021U (en) * | 2020-12-22 | 2021-09-21 | 威海新北洋技术服务有限公司 | Both sides deviation correcting device and check printer |
| CN112917548A (en) * | 2021-01-21 | 2021-06-08 | 四川裕丰新材料有限公司 | Copper-clad plate cutting device |
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| CN113882138B (en) | 2022-07-26 |
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