CN111545623A - Steel sheet cutting punching press all-in-one - Google Patents
Steel sheet cutting punching press all-in-one Download PDFInfo
- Publication number
- CN111545623A CN111545623A CN202010421347.9A CN202010421347A CN111545623A CN 111545623 A CN111545623 A CN 111545623A CN 202010421347 A CN202010421347 A CN 202010421347A CN 111545623 A CN111545623 A CN 111545623A
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- Prior art keywords
- frame
- fixedly connected
- stamping
- cutting
- rack
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
- B21D37/06—Pivotally-arranged tools, e.g. disengageable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q37/00—Metal-working machines, or constructional combinations thereof, built-up from units designed so that at least some of the units can form parts of different machines or combinations; Units therefor in so far as the feature of interchangeability is important
- B23Q37/002—Convertible machines, e.g. from horizontally working into vertically working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Shearing Machines (AREA)
Abstract
The invention discloses a steel plate cutting and stamping integrated machine, which comprises a rack, a first guide rod and support columns, wherein the lower surface of the rack is fixedly connected with a plurality of support columns, the side wall of the rack is fixedly connected with the first guide rod, and the steel plate cutting and stamping integrated machine also comprises: roll-over stand, punching press frame and hydraulic stem, the surface mounting of frame has servo motor, servo motor's output fixedly connected with adjusting device, punching press frame has been put to the top of frame, punching press frame and adjusting device fixed connection, the mould screens have been seted up to punching press frame's upper surface, and is a plurality of the sword groove has been seted up between the mould screens, the hydraulic stem is installed to the one end that the frame was kept away from to first guide bar, the hydraulic stem is close to the one end fixedly connected with slider of frame, and this steel sheet cutting punching press all-in-one all has the function of punching press and cutting steel sheet, has the multifunctionality, and the volume is less, facilitates the use, simple structure, and the practicality is strong.
Description
Technical Field
The invention relates to the technical field of dry plate processing equipment, in particular to a steel plate cutting and stamping integrated machine.
Background
The steel sheet is a flat steel sheet which is cast with molten steel, cooled, and pressed. The steel sheet is divided into hot rolled and cold rolled according to the rolling.
The existing processing equipment for the steel plate basically only has one processing function and is large in size, and therefore, the steel plate cutting and stamping integrated machine is provided.
Disclosure of Invention
The invention aims to provide a steel plate cutting and stamping integrated machine to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a steel sheet cutting punching press all-in-one, includes frame, first guide bar and support column, the lower fixed surface of frame is connected with a plurality of support columns, the first guide bar of lateral wall fixedly connected with of frame still includes: roll-over stand, stamping frame and hydraulic stem, the surface mounting of frame has servo motor, servo motor's output fixedly connected with adjusting device, stamping frame has been put to the top of frame, stamping frame and adjusting device fixed connection, the mould screens have been seted up to stamping frame's upper surface, and is a plurality of the sword groove has been seted up between the mould screens, the hydraulic stem is installed to the one end that the frame was kept away from to first guide bar, the one end fixedly connected with slider that the hydraulic stem is close to the frame, slider and first guide bar sliding connection, the inside rotation of slider is connected with steering gear, the roll-over stand has been put to the top of frame, roll-over stand and steering gear fixed connection, the upper surface of roll-over stand can be dismantled and be connected with stamping die, the lower surface mounting of roll-over stand has cutting device.
Preferably, the adjusting device comprises cranks and extension grooves, the lower surface of the punching frame is symmetrically and fixedly connected with the extension grooves, the surfaces of the extension grooves are connected with the cranks in a sliding mode, a connecting rod is fixedly connected between the two cranks, one ends of the two cranks are respectively and fixedly connected with a base and a servo motor, and the base is fixedly connected with the rack.
Preferably, turn to the device and include rack, regulating wheel, gyro wheel, locking frame, one-way bearing, step shaft and prevent turning round the guide rail, the lateral wall fixedly connected with step shaft of punching press frame, the one end that punching press frame was kept away from to the step shaft is rotated through one-way bearing and is connected with the regulating wheel, the step shaft rotates with the slider and is connected, step shaft outside cover is equipped with the locking frame, locking frame and step shaft fixed connection, the surface mounting of locking frame has the gyro wheel, gyro wheel surface sliding connection has the guide rail of preventing turning round, prevent turning round guide rail and frame fixed connection, the fixed surface of first guide bar is connected with the rack.
Preferably, the cutting device comprises a spring, a groove and a cutter, the groove is formed in the lower surface of the turnover frame, the cutter is connected to the surface of the groove in a sliding mode, the spring is fixedly connected to the surface of the cutter, and the other end of the spring is fixedly connected to the surface of the groove.
Preferably, the surface of the machine frame is positioned on the right side of the stamping frame and is connected with a second guide rod in a sliding mode, and the surface of the second guide rod is fixedly connected with a limiting boss.
Compared with the prior art, the invention has the beneficial effects that:
1. the hydraulic rod is arranged on the surface of the first guide rod, the first guide rod is fixedly connected with the rack, the sliding block and the first guide rod form a linear pair, the rack is fixedly connected with the first guide rod, the regulating wheel is a gear, the regulating wheel is matched with the stepped shaft through a one-way bearing, when the hydraulic rod contracts, the regulating wheel moves upwards to be close to the rack, the roll-over stand is in a horizontal state and gradually meshed with the rack, the one-way bearing is locked reversely, the regulating wheel drives the roll-over plate to rotate while moving upwards, after the hydraulic rod contracts, the roll-over stand just rotates 180 degrees, when the hydraulic rod extends, the sliding block moves downwards, as the one-way bearing rotates forwards, the regulating wheel idles, the roll-over stand does not rotate at the moment, the roll-over stand is turned over in the process, namely, the mode conversion of cutting and stamping is completed, so that the equipment has a cutting function, but also has the function of stamping;
2. for preventing that equipment from taking place to rotate when cutting or punching press, prevent turning round guide rail and frame fixed connection, locking frame cover is established on the step shaft and fixed connection or adopt the key-type connection, be provided with the gyro wheel on four branches of locking frame, when the roll-over stand is close to the frame, two branches of locking frame pass through the gyro wheel and get into and prevent turning round the guide rail, no matter what external force that the roll-over stand received at this moment also can not overturn, the stability and the precision of improving the device, the left end of frame moves into the district for the steel sheet, the steel sheet moves into the district from the steel sheet and gets into, it has the hole site that corresponds to open in the frame, and be provided with the sword groove between every hole site, every sword just corresponds every sword groove, can. The upper surface of the stamping frame is provided with a corresponding die clamping position, a second guide rod fixedly connected to the right side of the stamping frame and the rack form a linear pair, the crank is driven by a servo motor to rotate, the crank is matched with an extension groove on the stamping frame to realize ascending and descending of the stamping frame, the steel plate is better matched with the roll-over stand, the steel plate enters from a steel plate moving-in area, the end part of the steel plate abuts against a limit boss to realize positioning of the steel plate, and the whole device is compact in structure, small in size and convenient to use and place.
Drawings
FIG. 1 is a schematic view of the overall front view structure of the present invention;
FIG. 2 is a schematic view of the adjusting device according to the present invention;
FIG. 3 is a schematic view of a rotating device according to the present invention;
FIG. 4 is a schematic view of a cutting device according to the present invention;
FIG. 5 is a schematic view of a second guiding column according to the present invention;
FIG. 6 is a schematic view of the overall rear view structure of the present invention;
fig. 7 is a schematic structural view of the stamping frame and the roll-over stand of the invention.
In the figure: 1. a frame; 2. a first guide bar; 3. a support pillar; 4. a roll-over stand; 5. a punching frame; 6. a hydraulic lever; 7. a servo motor; 8. an adjustment device; 9. clamping the mold; 10. a cutter groove; 11. a slider; 12. a steering device; 13. a stamping die; 14. a cutting device; 15. a crank; 16. an elongated slot; 17. a rack; 18. an adjustment wheel; 19. a roller; 20. a locking frame; 21. a one-way bearing; 22. a stepped shaft; 23. an anti-twist guide rail; 24. a spring; 25. a groove; 26. a cutter; 27. a second guide bar; 28. a limiting boss; 29. a base.
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.
Referring to fig. 1, the present invention provides a solution: the utility model provides a steel sheet cutting punching press all-in-one, includes frame 1, first guide bar 2 and support column 3, and the lower fixed surface of frame 1 is connected with a plurality of support columns 3, and the first guide bar 2 of lateral wall fixedly connected with of frame 1 still includes: the device comprises a roll-over stand 4, a stamping stand 5 and a hydraulic rod 6, wherein a servo motor 7 is arranged on the surface of a rack 1;
referring to fig. 2, an output end of a servo motor 7 is fixedly connected with an adjusting device 8, a stamping frame 5 is arranged above a rack 1, the stamping frame 5 is fixedly connected with the adjusting device 8, die clamping positions 9 are arranged on the upper surface of the stamping frame 5, knife grooves 10 are arranged among the die clamping positions 9, a hydraulic rod 6 is mounted at one end of a first guide rod 2 far away from the rack 1, a sliding block 11 is fixedly connected at one end of the hydraulic rod 6 close to the rack 1, the sliding block 11 is in sliding connection with the first guide rod 2, the servo motor 7 drives a crank 15 to rotate, and the crank 15 is matched with an extension groove 16 to further drive the stamping frame 5 to move up and down;
referring to fig. 3, a steering device 12 is rotatably connected inside a slide block 11, a roll-over stand 4 is arranged above a rack 1, the roll-over stand 4 is fixedly connected with the steering device 12, a stamping die 13 is detachably connected to the upper surface of the roll-over stand 4, and the stamping die 13 and a cutter 26 are respectively arranged on two surfaces of the roll-over stand 4, so that the whole equipment has multiple functions, and mode conversion between cutting and stamping is realized;
referring to fig. 4, a cutting device 14 is mounted on the lower surface of the roll-over stand 4, so that the apparatus has a cutting function.
Referring to fig. 2, the adjusting device 8 includes cranks 15 and extension slots 16, the extension slots 16 are symmetrically and fixedly connected to the lower surface of the stamping frame 5, the cranks 15 are slidably connected to the surfaces of the extension slots 16, a connecting rod is fixedly connected between the two cranks 15, one ends of the two cranks 15 are respectively and fixedly connected to a base 29 and a servo motor 7, the base 29 is fixedly connected to the frame 1, and the stamping frame 5 is driven to move and better matched with the roll-over stand 4.
Referring to fig. 3, the steering device 12 includes a rack 17, an adjusting wheel 18, a roller 19, a locking frame 20, a one-way bearing 21, a stepped shaft 22 and an anti-twisting guide rail 23, the side wall of the stamping frame 5 is fixedly connected with the stepped shaft 22, one end of the stepped shaft 22, which is far away from the stamping frame 5, is rotatably connected with the adjusting wheel 18 through the one-way bearing 21, the stepped shaft 22 is rotatably connected with the slider 11, the locking frame 20 is sleeved outside the stepped shaft 22, the locking frame 20 is fixedly connected with the stepped shaft 22, the roller 19 is installed on the surface of the locking frame 20, the anti-twisting guide rail 23 is slidably connected on the surface of the roller 19, the anti-twisting guide rail 23 is fixedly connected with the rack 1, the rack 17 is fixedly connected on the surface of the first guide rod 2, the.
Referring to fig. 4, the cutting device 14 includes a spring 24, a groove 25 and a cutter 26, the groove 25 is formed on the lower surface of the roll-over stand 4, the cutter 26 is slidably connected to the surface of the groove 25, the spring 24 is fixedly connected to the surface of the cutter 26, and the other end of the spring 24 is fixedly connected to the surface of the groove 25, so as to cut the steel plate.
Referring to fig. 5, a second guide rod 27 is slidably connected to the surface of the frame 1 on the right side of the stamping frame 5, and a limiting boss 28 is fixedly connected to the surface of the second guide rod 27 to limit the steel plate.
The working principle is as follows: the hydraulic rod 6 is arranged on the surface of the first guide rod 2, the first guide rod 2 is fixedly connected with the frame 1, the slide block 11 and the first guide rod 2 form a linear pair, the rack 17 is fixedly connected with the first guide rod 2, the adjusting wheel 18 is a gear, the adjusting wheel 18 is matched with the stepped shaft 22 through the one-way bearing 21, when the hydraulic rod 6 contracts, the adjusting wheel 18 moves upwards to be close to the rack 17, the roll-over stand 4 is in a horizontal state, gradually, the adjusting wheel 18 is meshed and connected with the rack 17, the one-way bearing 21 is locked in a reverse direction, the adjusting wheel 18 drives the roll-over stand 4 to rotate while moving upwards, after the contraction of the hydraulic rod 6 is completed, the roll-over stand 4 just rotates 180 degrees, when the hydraulic rod 6 extends, the slide block 11 moves downwards, because the one-way bearing 21 rotates forwards, the adjusting wheel 18 idles, at the moment, the roll-over stand 4 does not rotate, and, mode conversion of cutting and punching press is accomplished promptly, for preventing that equipment from taking place to rotate when cutting or punching press, prevent turning round guide rail 23 and frame 1 fixed connection, locking frame 20 cover is established on stepped shaft 22 and fixed connection or adopt the key-type connection, be provided with gyro wheel 19 on four spinal branch poles of locking frame 20, when roll-over stand 4 is close to frame 1, two spinal branch poles of locking frame 20 pass through gyro wheel 19 and get into and prevent turning round guide rail 23, no matter what external force that roll-over stand 4 received at this moment can not overturn yet, the stability and the precision of improvement device, the left end of frame 1 moves into the district for the steel sheet, the steel sheet moves into the district from the steel sheet and gets into, it has the hole site that corresponds to open in frame 1, and be provided with sword groove 10 between every hole site, every cutter 26 just corresponds every sword groove 10, can also prevent. The upper surface of the punching frame 5 is provided with a corresponding die clamping position 9, the right side of the punching frame 5 is fixedly connected with a second guide rod 27, a linear pair is formed by the second guide rod and the rack 1, a crank 15 is driven to rotate through a servo motor 7, the crank 15 is matched with an elongated slot 16 on the punching frame 5 to realize ascending and descending of the punching frame 5, the steel plate is better matched with the roll-over stand 4, the steel plate enters from a steel plate moving-in area, the end part of the steel plate abuts against a limiting boss 28 to realize positioning of the steel plate, and the whole equipment is compact in structure.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a steel sheet cutting punching press all-in-one, includes frame (1), first guide bar (2) and support column (3), the lower fixed surface of frame (1) is connected with a plurality of support columns (3), the first guide bar of lateral wall fixedly connected with (2) of frame (1), its characterized in that still includes: the stamping machine comprises a roll-over stand (4), a stamping stand (5) and a hydraulic rod (6), wherein a servo motor (7) is installed on the surface of a machine frame (1), an adjusting device (8) is fixedly connected with the output end of the servo motor (7), the stamping stand (5) is arranged above the machine frame (1), the stamping stand (5) is fixedly connected with the adjusting device (8), die clamping positions (9) are arranged on the upper surface of the stamping stand (5), knife grooves (10) are formed among a plurality of die clamping positions (9), the hydraulic rod (6) is installed at one end, far away from the machine frame (1), of a first guide rod (2), a sliding block (11) is fixedly connected with one end, close to the machine frame (1), of the hydraulic rod (6), the sliding block (11) is slidably connected with the first guide rod (2), a steering device (12) is rotatably connected inside the sliding block (11), the roll-over stand (1) is arranged above the machine frame (1), the turnover frame (4) is fixedly connected with the steering device (12), a stamping die (13) is detachably connected to the upper surface of the turnover frame (4), and a cutting device (14) is installed on the lower surface of the turnover frame (4).
2. The integrated machine for cutting and stamping steel plates as claimed in claim 1, wherein: the adjusting device (8) comprises cranks (15) and extension grooves (16), the extension grooves (16) are symmetrically and fixedly connected to the lower surface of the punching frame (5), the cranks (15) are connected to the surfaces of the extension grooves (16) in a sliding mode, a connecting rod is fixedly connected between the two cranks (15), and one ends of the two cranks (15) are fixedly connected with a base (29) and a servo motor (7) respectively.
3. The integrated machine for cutting and stamping steel plates as claimed in claim 1, wherein: turning to device (12) include rack (17), regulating wheel (18), gyro wheel (19), locking frame (20), one-way bearing (21), step shaft (22) and prevent turning round guide rail (23), the lateral wall fixedly connected with step shaft (22) of punching press frame (5), the one end that punching press frame (5) were kept away from in step shaft (22) is rotated through one-way bearing (21) and is connected with regulating wheel (18), step shaft (22) rotate with slider (11) and are connected, step shaft (22) outside cover is equipped with locking frame (20), locking frame (20) and step shaft (22) fixed connection, the surface mounting of locking frame (20) has gyro wheel (19), gyro wheel (19) surface sliding connection has prevents turning round guide rail (23).
4. The integrated machine for cutting and stamping steel plates as claimed in claim 1, wherein: the cutting device (14) comprises a spring (24), a groove (25) and a cutter (26), the groove (25) is formed in the lower surface of the turnover frame (4), and the cutter (26) is connected to the surface of the groove (25) in a sliding mode.
5. The integrated machine for cutting and stamping steel plates as claimed in claim 1, wherein: the surface of the rack (1) is positioned on the right side of the stamping rack (5) and is connected with a second guide rod (27) in a sliding mode, and the surface of the second guide rod (27) is fixedly connected with a limiting boss (28).
6. The integrated machine for cutting and stamping steel plates as claimed in claim 4, wherein: the surface of the cutter (26) is fixedly connected with a spring (24), and the other end of the spring (24) is fixedly connected with the surface of the groove (25).
7. The integrated machine for cutting and stamping steel plates as claimed in claim 2, wherein: the base (29) is fixedly connected with the frame (1).
8. The integrated machine for cutting and stamping steel plates as claimed in claim 3, wherein: the anti-torsion guide rail (23) is fixedly connected with the rack (1), and the surface of the first guide rod (2) is fixedly connected with a rack (17).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010421347.9A CN111545623A (en) | 2020-05-18 | 2020-05-18 | Steel sheet cutting punching press all-in-one |
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CN202010421347.9A CN111545623A (en) | 2020-05-18 | 2020-05-18 | Steel sheet cutting punching press all-in-one |
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CN202010421347.9A Pending CN111545623A (en) | 2020-05-18 | 2020-05-18 | Steel sheet cutting punching press all-in-one |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114309412A (en) * | 2021-11-16 | 2022-04-12 | 安徽力精锻造有限公司 | Forging equipment for metal processing |
CN115945583A (en) * | 2023-03-16 | 2023-04-11 | 河北展宇机电科技有限公司 | Anti-seismic support corner connector forming device capable of simultaneously carrying out multiple machining processes |
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CN203579180U (en) * | 2013-10-20 | 2014-05-07 | 高密市东方机床有限公司 | All-in-one machine with punching and cutting functions |
CN203592302U (en) * | 2013-11-14 | 2014-05-14 | 魏长敏 | All-in-one machine for punching and cutting |
DE202018102781U1 (en) * | 2017-05-30 | 2018-08-21 | VLAPOS s.r.o. | Multifunction forming machine |
CN208680254U (en) * | 2018-08-15 | 2019-04-02 | 开封市龙亭电气成套有限公司 | A kind of full-automatic apparatus for bending of panel beating |
CN109590367A (en) * | 2018-12-14 | 2019-04-09 | 黄河交通学院 | A kind of electric car shell punch forming device |
CN209124669U (en) * | 2018-11-20 | 2019-07-19 | 苏州技腾精密工业有限公司 | It is a kind of can more mold exchange anti-dazzling screen punching machine |
CN209439249U (en) * | 2019-01-17 | 2019-09-27 | 林士军 | A kind of bending machine cutting bending double-purpose |
CN110918771A (en) * | 2019-10-14 | 2020-03-27 | 陕西威斯特高新技术投资有限公司 | Automatic stamping equipment of thin slice |
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2020
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Patent Citations (8)
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CN203579180U (en) * | 2013-10-20 | 2014-05-07 | 高密市东方机床有限公司 | All-in-one machine with punching and cutting functions |
CN203592302U (en) * | 2013-11-14 | 2014-05-14 | 魏长敏 | All-in-one machine for punching and cutting |
DE202018102781U1 (en) * | 2017-05-30 | 2018-08-21 | VLAPOS s.r.o. | Multifunction forming machine |
CN208680254U (en) * | 2018-08-15 | 2019-04-02 | 开封市龙亭电气成套有限公司 | A kind of full-automatic apparatus for bending of panel beating |
CN209124669U (en) * | 2018-11-20 | 2019-07-19 | 苏州技腾精密工业有限公司 | It is a kind of can more mold exchange anti-dazzling screen punching machine |
CN109590367A (en) * | 2018-12-14 | 2019-04-09 | 黄河交通学院 | A kind of electric car shell punch forming device |
CN209439249U (en) * | 2019-01-17 | 2019-09-27 | 林士军 | A kind of bending machine cutting bending double-purpose |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114309412A (en) * | 2021-11-16 | 2022-04-12 | 安徽力精锻造有限公司 | Forging equipment for metal processing |
CN114309412B (en) * | 2021-11-16 | 2024-03-19 | 安徽力精锻造有限公司 | Forging equipment for metal processing |
CN115945583A (en) * | 2023-03-16 | 2023-04-11 | 河北展宇机电科技有限公司 | Anti-seismic support corner connector forming device capable of simultaneously carrying out multiple machining processes |
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