CN216540574U - Pull ring punching machine feeding device for manufacturing pop can cover - Google Patents
Pull ring punching machine feeding device for manufacturing pop can cover Download PDFInfo
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- CN216540574U CN216540574U CN202123398593.6U CN202123398593U CN216540574U CN 216540574 U CN216540574 U CN 216540574U CN 202123398593 U CN202123398593 U CN 202123398593U CN 216540574 U CN216540574 U CN 216540574U
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Abstract
A pull ring punching machine feeding device for manufacturing pop can covers comprises a rack, a material bearing rotary table, a rotary table driving mechanism, at least one supporting roller, a clamping and conveying mechanism and a material storage mechanism; the storage mechanism is arranged between the material bearing turntable and the clamping and conveying mechanism and comprises at least two fixed guide clamps, at least one movable guide clamp and at least one movable guide clamp guide mechanism; the fixed guide clamps are sequentially arranged from front to back, and each fixed guide clamp is provided with a first material passing crack; the movable guide clamp guide mechanism comprises a lifting guide rail and a lifting slide block, the lifting slide block is installed on the lifting guide rail and is in sliding fit with the lifting guide rail, the movable guide clamps are installed on the corresponding lifting slide block and are located between the two adjacent fixed guide clamps, and the movable guide clamps are provided with second material passing gaps. The feeding device of the pull ring punching machine can automatically keep the released metal sheets in a tensioning state, and simultaneously plays a role in storing the metal sheets, thereby ensuring the punching quality of the metal sheets by the subsequent pull ring punching machine.
Description
Technical Field
The utility model relates to production equipment of a pop can cover, in particular to a pull ring punching machine feeding device for manufacturing the pop can cover.
Background
At present, a pull ring for manufacturing a pop can cover is manufactured by punching and shearing continuous metal sheets into a connected pull ring chain by using a pull ring punch press, and then the pull ring chain is sent to a finished product composite punch press to punch and rivet the pull ring chain on the pop can cover body one by one. The punching of tab chains by tab punch presses is a continuous process, where the sheet metal is continuously transported in coils, which are generally quite heavy, so that a discharge or feeding device is required to feed the tab punch press.
The Chinese utility model patent with the application number of CN201120411424.9 discloses a discharging machine for a pull ring punch press for manufacturing an easy-open can cover, which comprises a frame, a material bearing turntable, a stand column, two feeding arms and a supporting roller, wherein the material bearing turntable is rotationally matched on the frame by a central shaft thereof, the central shaft of the material bearing turntable is connected with a motor through a transmission mechanism, the supporting roller is arranged on the frame, the bottom surface of the material bearing turntable is in contact fit with the supporting roller, the stand column is fixed on the frame, the two feeding arms are respectively arranged on the stand column, and the feeding arms are provided with guide clamps so that coiled metal sheets on the material bearing turntable are sent to the pull ring punch press after passing through the guide clamps of the two feeding arms; one of the feeding arms is provided with a swing section connected by a rotating joint, a guide clamp of the swing section is arranged on the front part of the swing section, and the rear part of the swing section is provided with a balance weight. The feeding machine is good in bearing and running capacity, whole grain raw materials containing a plurality of rolls of metal sheets can be placed on the material bearing rotary table by a forklift for running at one time, a large number of working procedures and manpower are saved, and the operation efficiency is improved. However, in the releasing process of the coiled metal sheet, the tension of the released metal sheet is unevenly changed along with the continuous decrease of the allowance of the metal sheet coil, and the above-mentioned feeding machine adopts a mode that the balance weight is used for enabling the guide clamp to swing and change the position in the feeding process, so that the metal sheet is difficult to keep a tensioning state in the conveying process, and the punching quality of the metal sheet by a subsequent pull ring punching machine is influenced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a pull ring punching machine feeding device for manufacturing a pop can cover, which can automatically keep a released metal sheet in a tensioning state, simultaneously has the function of storing the metal sheet, and is beneficial to ensuring the punching quality of a subsequent pull ring punching machine on the metal sheet. The technical scheme is as follows:
a pull ring punching machine feeding device for manufacturing an easy open can cover comprises a rack, a material bearing rotary table, a rotary table driving mechanism and at least one supporting roller, wherein the rotary table driving mechanism is arranged on the rack; the supporting rollers are rotatably arranged on the rack and positioned at the lower side of the material bearing turntable, and the wheel surfaces of the supporting rollers are in rolling fit with the bottom surface of the material bearing turntable; the method is characterized in that: the pull ring punching machine feeding device further comprises a clamping and conveying mechanism and a material storage mechanism; the pinch mechanism comprises two pinch rollers which are pressed with each other and rotate relatively; the material storage mechanism is arranged between the material bearing turntable and the clamping and conveying mechanism and comprises at least two fixed guide clamps, at least one movable guide clamp and at least one movable guide clamp guide mechanism; each fixed guide clamp is arranged on the rack and is sequentially arranged from front to back, and each fixed guide clamp is provided with a first material passing crack; the movable guide clamp guide mechanisms are in the same number and one-to-one correspondence with the movable guide clamps, each movable guide clamp guide mechanism comprises a lifting guide rail and a lifting slide block, the lifting guide rails are installed on the rack and move up and down, the lifting slide blocks are installed on the lifting guide rails and are in sliding fit with the lifting guide rails, the movable guide clamps are installed on the corresponding lifting slide blocks and are located between the two adjacent fixed guide clamps, and the movable guide clamps are provided with second material passing seams.
Usually, the activity guide clamp all is in the downside of each fixed guide clamp, and the sheet metal length that the quantity of fixed guide clamp and activity guide clamp can be stored as required sets up.
When the device is used, the whole-grain raw material containing a plurality of rolls of metal sheets can be placed on the material bearing rotary table through the forklift, the ends of the metal sheets released by the metal sheet rolls sequentially penetrate through the first material passing slits of the fixed guide clamps and the second material passing slits of the movable guide clamps, then penetrate through the space between the two pinch rollers of the pinch mechanism, and then are conveyed to the punching station of the pull ring punch press. When the device works, the device can drive the material bearing turntable to synchronously rotate and operate through the turntable driving mechanism according to the process of punching the pull ring chain by the pull ring punching machine, continuously release the metal sheet, simultaneously press the two pinch rollers mutually and rotate relatively, clamp and pull the released metal sheet, and convey the metal sheet to a station required by punching by the pull ring punching machine; in the working process, when the metal sheet between the material bearing turntable and the clamping and conveying mechanism becomes long, the lifting slide block of the movable guide clamp guide mechanism and the movable guide clamp on the movable guide clamp guide mechanism gradually descend along the lifting guide rail under the action of self gravity, and the distance between the movable guide clamp and each fixed guide clamp is gradually increased, so that the metal sheet is automatically kept in a tensioning state, and the metal sheet storage function is realized. When the metal sheet between the material bearing turntable and the clamping and conveying mechanism is shortened, the lifting slide block of the movable guide clamp guide mechanism and the movable guide clamp on the movable guide clamp guide mechanism gradually rise along the lifting guide rail under the action of the metal sheet, the distance between the movable guide clamp and each fixed guide clamp is gradually reduced, and the metal sheet stored in the material storage mechanism is clamped and drawn by the clamping and conveying mechanism and is conveyed towards the punching station of the ring punching machine. The feeding device of the pull ring punching machine clamps and conveys the metal sheet released by the metal sheet coil through the clamping and conveying mechanism, and the storage mechanism is arranged between the material bearing turntable and the clamping and conveying mechanism, so that the metal sheet can be automatically kept in a tensioning state when the metal sheet becomes loose, the effect of storing the metal sheet is achieved, the stored metal sheet can be automatically released when the metal sheet becomes tensioned, and the punching quality of the metal sheet by a subsequent pull ring punching machine can be ensured.
In a preferable scheme, the fixed guide clamp comprises a first guide roller and a first limiting rod, the first end of the first guide roller is rotatably arranged on the rack, the first end of the first limiting rod is arranged on the rack, the first limiting rod is arranged on the upper side of the first guide roller and is parallel to the first guide roller, and a gap between the first guide roller and the first limiting rod forms the first material passing crack; the activity guide clamp includes second deflector roll and second gag lever post, and the rotatable installation of first end of second deflector roll is corresponding on the lifting slide, the second gag lever post is installed correspondingly on the lifting slide and be in the downside of second deflector roll, the clearance between second deflector roll and the second gag lever post constitutes the second crosses the material crack.
In a more preferable scheme, a second end of the first guide roller is provided with a first annular limiting block. The first annular limiting block is used for limiting the part, located in the first material passing crack, of the metal sheet, so that the metal sheet is not prone to being separated from the first material passing crack in the conveying process.
In a more preferable scheme, a second annular limiting block is arranged at the second end of the second guide roller. The second annular limiting block is used for limiting the part, located in the second material passing crack, of the metal sheet, so that the metal sheet is not prone to being separated from the second material passing crack in the conveying process.
In a specific scheme, the number of the supporting rollers is multiple, and the supporting rollers are sequentially and uniformly arranged along the circumferential direction of the rotating axis of the material bearing turntable. By adopting the structure, the bearing and running capacity of the material bearing turntable can be effectively improved.
In the preferred scheme, the movable guide clamp guide mechanism further comprises an extension spring, the lower end of the extension spring is connected with the rack, and the upper end of the extension spring is connected with the lifting slide block. The extension spring is mainly used for generating certain pulling force to the lifting slide block, so that the lifting slide block is more stable to lift.
In a preferable scheme, the clamping and conveying mechanism further comprises a gas spring and a clamping and conveying motor, a cylinder body of the gas spring and the clamping and conveying motor are both installed on the rack, and a piston rod of the gas spring extends downwards; the two pinch rolls are arranged oppositely up and down, the pinch roll at the lower side is rotatably arranged on the rack and is in transmission connection with the pinch motor, and the pinch roll at the upper side is rotatably arranged on the end part of the piston rod of the gas spring. The gas spring can apply acting force to the pinch roll at the upper side to move towards the pinch roll at the lower side, so that the pinch roll at the upper side is ensured to be attached to the surface of the metal sheet, and the two pinch rolls are in a pressing state.
In a preferred scheme, the turntable driving mechanism comprises a rotating shaft, a transmission mechanism and a driving motor, the rotating shaft is rotatably arranged on the rack and moves up and down, and the center of the material bearing turntable is fixedly arranged at the upper end of the rotating shaft; the driving motor and the transmission mechanism are both arranged on the frame, and an output shaft of the driving motor is in transmission connection with the rotating shaft through the transmission mechanism. The transmission may be a gear transmission, a belt transmission or a chain transmission. When the material loading device works, the driving motor drives the rotating shaft to rotate through the transmission mechanism, and the material loading turntable is driven to rotate around the rotating shaft.
Compared with the prior art, the utility model has the following advantages:
the feeding device of the pull ring punching machine clamps and conveys the metal sheet released by the metal sheet coil through the clamping and conveying mechanism, and the storage mechanism is arranged between the material bearing turntable and the clamping and conveying mechanism, so that the metal sheet can be automatically kept in a tensioning state when the metal sheet becomes loose, the effect of storing the metal sheet is achieved, the stored metal sheet can be automatically released when the metal sheet becomes tensioned, and the punching quality of the metal sheet by a subsequent pull ring punching machine can be ensured.
Drawings
Fig. 1 is a schematic structural diagram of a feeding device of a pull ring punching machine in a preferred embodiment of the utility model.
Fig. 2 is a schematic structural view of a fixed guide clamp in the feeding device of the tab punching machine shown in fig. 1.
Fig. 3 is a schematic structural view of a movable guide clip in the feeding device of the tab punching machine shown in fig. 1.
Detailed Description
As shown in fig. 1-3, the pull ring punching machine feeding device for manufacturing the pop can lid comprises a frame 1, a material bearing turntable 2, a turntable driving mechanism 3, at least one supporting roller 4, a clamping and conveying mechanism 5 and a material storing mechanism 6, wherein the turntable driving mechanism 3 is installed on the frame 1, and the material bearing turntable 2 is horizontally and rotatably installed on the frame 1 and is in transmission connection with the turntable driving mechanism 3; the supporting rollers 4 are rotatably arranged on the frame 1 and positioned at the lower side of the material bearing turntable 2, and the wheel surfaces of the supporting rollers 4 are in rolling fit with the bottom surface of the material bearing turntable 2; the pinch mechanism 5 comprises two pinch rollers 51 pressed on each other and relatively rotating; the storing mechanism 6 is arranged between the material bearing turntable 2 and the clamping and conveying mechanism 5, and the storing mechanism 6 comprises at least two fixed guide clamps 61, at least one movable guide clamp 62 and at least one movable guide clamp guide mechanism 63; each fixed guide clamp 61 is arranged on the frame 1 and is arranged from front to back in sequence, and the fixed guide clamps 61 are provided with first material passing gaps 6101; the number of the movable guide clips 62 is one less than that of the fixed guide clips 61, and the position of each movable guide clip 62 corresponds to the gap between two adjacent fixed guide clips 61; the number of the movable guide clamp guide mechanisms 63 is the same as that of the movable guide clamps 62, the movable guide clamp guide mechanisms 63 correspond to the movable guide clamps 62 one by one, each movable guide clamp guide mechanism 63 comprises a lifting guide rail 631 and a lifting slide block 632, each lifting guide rail 31 is installed on the frame 1 and moves up and down, each lifting slide block 632 is installed on each lifting guide rail 31 and is in sliding fit with each lifting guide rail 31, each movable guide clamp 62 is installed on the corresponding lifting slide block 632 and is located between every two adjacent fixed guide clamps 61, and each movable guide clamp 62 is provided with a second material passing clamp gap 6201.
In this embodiment, the turntable driving mechanism 3 includes a rotating shaft 31, a transmission mechanism 32 and a driving motor 33, the rotating shaft 31 is rotatably mounted on the frame 1 and moves up and down, and the center of the material-holding turntable 2 is fixedly mounted at the upper end of the rotating shaft 31; the driving motor 33 and the transmission mechanism 32 are both arranged on the frame 1, and an output shaft of the driving motor 33 is in transmission connection with the rotating shaft 31 through the transmission mechanism 32; the number of the supporting rollers 4 is multiple, and the supporting rollers 4 are sequentially and uniformly arranged along the circumferential direction of the rotating axis of the material bearing turntable 2. When the material loading device works, the driving motor 33 drives the rotating shaft 31 to rotate through the transmission mechanism 32, and drives the material loading turntable 2 to rotate around the rotating shaft 31; and through setting up a plurality of supporting rollers 4, can effectively improve the bearing running capacity of holding material carousel 2.
In this embodiment, the pinch mechanism 5 further includes a gas spring 52 and a pinch motor 53, a cylinder body of the gas spring 52 and the pinch motor 53 are both mounted on the rack 1, and a piston rod of the gas spring 52 extends downward; the two pinch rollers 51 are arranged oppositely up and down, the pinch roller 51 at the lower side is rotatably arranged on the frame 1 and is in transmission connection with a pinch motor 53, and the pinch roller 51 at the upper side is rotatably arranged on the end part of a piston rod of an air spring 52. The gas spring 52 can apply a force to the pinch roller 51 on the upper side to move toward the pinch roller 51 on the lower side, and ensure that the pinch roller 51 on the upper side is in close contact with the surface of the metal sheet, and the two pinch rollers 51 are in a nip state.
In this embodiment, the fixed guide clamp 6161 includes a first guide roller 611 and a first limiting rod 612, a first end of the first guide roller 611 is rotatably mounted on the frame 1, a first end of the first limiting rod 612 is mounted on the frame 1, a second end of the first guide roller 611 is provided with a first annular limiting block 613, the first limiting rod 612 is located on the upper side of the first guide roller 611 and is parallel to the first guide roller 611, and a gap between the first guide roller 611 and the first limiting rod 612 forms a first passing gap 6101; the movable guiding clamp 62 includes a second guiding roller 621 and a second limiting rod 622, a first end of the second guiding roller 621 is rotatably mounted on the corresponding lifting slider 632, a second end of the second guiding roller 621 is provided with a second annular limiting block 623, the second limiting rod 622 is mounted on the corresponding lifting slider 632 and located at a lower side of the second guiding roller 621, and a gap between the second guiding roller 621 and the second limiting rod 622 forms a second passing nip 6201. The first annular limiting block 613 is used for limiting the part of the metal sheet in the first passing nip 6101, so that the metal sheet is not easy to separate from the first passing nip 6101 in the conveying process; the second annular limiting block is used for limiting the part, located in the second material passing slit 6201, of the metal sheet, so that the metal sheet is not easy to separate from the second material passing slit 6201 in the conveying process.
In this embodiment, the movable guiding clip guiding mechanism 63 further includes an extension spring 633, the lower end of the extension spring is connected to the frame 1, and the upper end of the extension spring is connected to the lifting slider 632. The extension spring is mainly used for generating a certain pulling force to the lifting slider 632, so that the lifting slider 632 can be lifted more stably.
The working principle of the feeding device of the pull ring punching machine is briefly described as follows:
the entire raw material containing a plurality of rolls of sheet metal can be placed on the receiving turntable 2 by means of a forklift, and the sheet metal ends released from the rolls of sheet metal are passed in sequence through the first passing nip 6101 of each fixed guide clamp 61 and the second passing nip 6201 of each movable guide clamp 62, then passed between the two pinch rolls 51 of the pinch mechanism 5 and sent to the punching station of the tab punch.
When the device works, the material bearing turntable 2 is driven by the turntable driving mechanism 3 to synchronously rotate and operate according to the process of punching the pull ring chain by the pull ring punching machine, metal sheets are continuously released, meanwhile, the two pinch rollers 51 are pressed and rotate relatively, the released metal sheets are clamped and pulled, and the metal sheets are conveyed to a station required by punching of the pull ring punching machine; in the working process, when the metal sheet between the material receiving turntable 2 and the clamping and conveying mechanism 5 becomes long, the lifting slide block 632 of the movable guide clamp guide mechanism 63 and the movable guide clamp 62 thereon gradually descend along the lifting guide rail 31 under the action of self gravity, and the distance between the movable guide clamp 62 and each fixed guide clamp 61 is gradually increased, so that the metal sheet is automatically kept in a tensioning state, and the function of storing the metal sheet is achieved. When the metal sheet between the material bearing turntable 2 and the clamping and conveying mechanism 5 is shortened, the lifting slide block 632 of the movable guide clamp guide mechanism 63 and the movable guide clamp 62 thereon gradually rise along the lifting guide rail 31 under the action of the metal sheet, the distance between the movable guide clamp 62 and each fixed guide clamp 61 is gradually reduced, and the metal sheet stored in the storage mechanism 6 is clamped and pulled by the clamping and conveying mechanism 5 and is conveyed towards the punching station of the ring punching machine. The feeding device of the pull ring punching machine clamps and conveys the metal sheet released from the metal sheet coil through the clamping and conveying mechanism 5, and the storage mechanism 6 is arranged between the material bearing turntable 2 and the clamping and conveying mechanism 5, so that the metal sheet can be automatically kept in a tensioning state when the metal sheet becomes loose, the effect of storing the metal sheet is achieved, the stored metal sheet can be automatically released when the metal sheet becomes tensioned, and the punching quality of the metal sheet by a subsequent pull ring punching machine can be ensured.
In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and the equivalent or simple change made by the structure, the feature and the principle of the inventive concept is included in the protection scope of the present invention. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. A pull ring punching machine feeding device for manufacturing an easy open can cover comprises a rack, a material bearing rotary table, a rotary table driving mechanism and at least one supporting roller, wherein the rotary table driving mechanism is arranged on the rack; the supporting rollers are rotatably arranged on the rack and positioned at the lower side of the material bearing turntable, and the wheel surfaces of the supporting rollers are in rolling fit with the bottom surface of the material bearing turntable; the method is characterized in that: the pull ring punching machine feeding device further comprises a clamping and conveying mechanism and a material storage mechanism; the pinch mechanism comprises two pinch rollers which are pressed with each other and rotate relatively; the material storage mechanism is arranged between the material bearing turntable and the clamping and conveying mechanism and comprises at least two fixed guide clamps, at least one movable guide clamp and at least one movable guide clamp guide mechanism; each fixed guide clamp is arranged on the rack and is sequentially arranged from front to back, and each fixed guide clamp is provided with a first material passing crack; the movable guide clamp guide mechanisms are in the same number and one-to-one correspondence with the movable guide clamps, each movable guide clamp guide mechanism comprises a lifting guide rail and a lifting slide block, the lifting guide rails are installed on the rack and move up and down, the lifting slide blocks are installed on the lifting guide rails and are in sliding fit with the lifting guide rails, the movable guide clamps are installed on the corresponding lifting slide blocks and are located between the two adjacent fixed guide clamps, and the movable guide clamps are provided with second material passing seams.
2. A loading apparatus of a tab punch for manufacturing a can end of a can according to claim 1, wherein: the fixed guide clamp comprises a first guide roller and a first limiting rod, the first end of the first guide roller is rotatably arranged on the rack, the first end of the first limiting rod is arranged on the rack, the first limiting rod is arranged on the upper side of the first guide roller and is parallel to the first guide roller, and a gap between the first guide roller and the first limiting rod forms the first material passing crack; the activity guide clamp includes second deflector roll and second gag lever post, and the rotatable installation of first end of second deflector roll is corresponding on the lifting slide, the second gag lever post is installed correspondingly on the lifting slide and be in the downside of second deflector roll, the clearance between second deflector roll and the second gag lever post constitutes the second crosses the material crack.
3. A loading apparatus of a tab punch for manufacturing a can end of a can according to claim 2, wherein: and a first annular limiting block is arranged at the second end of the first guide roller.
4. A loading apparatus of a tab punch for manufacturing a can end of a can according to claim 2, wherein: and a second annular limiting block is arranged at the second end of the second guide roller.
5. A loading apparatus of a tab punch for manufacturing a can end of a can according to claim 1, wherein: the movable guide clamp guide mechanism further comprises an extension spring, the lower end of the extension spring is connected with the rack, and the upper end of the extension spring is connected with the lifting slide block.
6. A loading apparatus of a tab punch for manufacturing a can end of a can according to any one of claims 1 to 5, wherein: the supporting rollers are arranged in a plurality of numbers, and all the supporting rollers are sequentially and uniformly arranged along the circumferential direction of the rotating axis of the material bearing turntable.
7. A loading apparatus of a tab punch for manufacturing a can end of a can according to any one of claims 1 to 5, wherein: the rotary table driving mechanism comprises a rotating shaft, a transmission mechanism and a driving motor, the rotating shaft is rotatably arranged on the rack and moves up and down, and the center of the material bearing rotary table is fixedly arranged at the upper end of the rotating shaft; the driving motor and the transmission mechanism are both arranged on the frame, and an output shaft of the driving motor is in transmission connection with the rotating shaft through the transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123398593.6U CN216540574U (en) | 2021-12-31 | 2021-12-31 | Pull ring punching machine feeding device for manufacturing pop can cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123398593.6U CN216540574U (en) | 2021-12-31 | 2021-12-31 | Pull ring punching machine feeding device for manufacturing pop can cover |
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| Publication Number | Publication Date |
|---|---|
| CN216540574U true CN216540574U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123398593.6U Active CN216540574U (en) | 2021-12-31 | 2021-12-31 | Pull ring punching machine feeding device for manufacturing pop can cover |
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| CN (1) | CN216540574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116833485A (en) * | 2023-08-31 | 2023-10-03 | 包钢钢业(合肥)有限公司 | Galvanized sheet cutting device with compensation mechanism and cutting method |
-
2021
- 2021-12-31 CN CN202123398593.6U patent/CN216540574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116833485A (en) * | 2023-08-31 | 2023-10-03 | 包钢钢业(合肥)有限公司 | Galvanized sheet cutting device with compensation mechanism and cutting method |
| CN116833485B (en) * | 2023-08-31 | 2023-11-24 | 包钢钢业(合肥)有限公司 | Galvanized sheet cutting device with compensation mechanism and cutting method |
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Effective date of registration: 20230717 Address after: 515000 No.6 Nanqiang Road, nanshanwan Industrial Park, Haojiang District, Shantou City, Guangdong Province Patentee after: British Union Metal Technology (Shantou) Co.,Ltd. Address before: 515000 middle section of Danan Road, Haojiang District, Shantou City, Guangdong Province Patentee before: GUANGDONG ENPACK PACKAGING Co.,Ltd. |