CN105252273A - Numeral control planing and shearing machine integrating slot planing and plate shearing - Google Patents
Numeral control planing and shearing machine integrating slot planing and plate shearing Download PDFInfo
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- CN105252273A CN105252273A CN201510611752.6A CN201510611752A CN105252273A CN 105252273 A CN105252273 A CN 105252273A CN 201510611752 A CN201510611752 A CN 201510611752A CN 105252273 A CN105252273 A CN 105252273A
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- channeling
- shear
- feeding
- side plate
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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
- B23P23/02—Machine tools for performing different machining operations
Abstract
A numeral control planing and shearing machine integrating slot planing and plate shearing is composed of a machine frame, a feeding mechanism, a slot planning mechanism and a plate shearing mechanism. The machine frame is composed of a plate shearing part, a slot planning part and a feeding part, wherein plates are fed into the slot planning part through a feeding clamp of the feeding part to be subjected to slot planning, and then fed into the plate shearing part to be shorn, so that integrated machining of slot planing and plate shearing is realized. The numeral control planing and shearing machine integrating slot planing and plate shearing has the advantages that the feeding clamp continuously feeds the plates into the slot planing part and the plate shearing part, integration and automation of slot planing and plate shearing are realized, labor is saved, personal errors between two procedures are avoided, and the machining accuracy of products is improved.
Description
Technical field
The invention belongs to Machine Manufacture field, the numerical control plane shearing machine of particularly a kind of channeling and shear integration.
Background technology
At decoration industry, the normal sheet metals such as stainless steel that adopt are decorated doorframe, wall etc.Corner angle are clearly had in order to make sheet metal bending place, usually need first to slot to thin plate with keyway planer to the processing of sheet metal, groove depth is about the 20-50% of sheet metal thickness, then carries out cutting with plate shearing machine according to predetermined size, carries out bending after cutting with bender at channeling place.Keyway planer can be slotted to stainless sheet steel, aluminium sheet, clad aluminium, copper coin and other metal blank, makes the workpiece seamed edge arc radius after bending minimum.
Nowadays plate shearing machine and keyway planer technology all relative maturity, but the channeling of sheet metal and cutting keyway planer and plate shearing machine are processed respectively, when carrying out cutting after channeling, will position by artificial visually examine, operating efficiency is too low, and is difficult to ensure precision.The present invention realizes channeling and the cutting processing integration of sheet metal, and a machine completes channeling and shear two processing technologys.Improve Product Precision, reduce production cost.
Summary of the invention
The object of the invention is the problem solving above-mentioned plate shearing machine and keyway planer functions of the equipments are single, operating efficiency is too low, precision is difficult to guarantee, the numerical control plane shearing machine of a kind of increasingly automated, high-precision channeling and shear integration is provided, realizes channeling and the shear integration of sheet metal.
Technical scheme of the present invention:
A numerical control plane shearing machine for channeling and shear integration, be made up of frame, feed mechanism, channeling mechanism and plate cutting mechanism, frame is made up of shear part, channeling part and feed section,
Shear part comprises shear partial left side plate (1), shear partial right side plate (13), two shear atop part pull bars (35), cutter bed (38) under shear part upper slitter bed (12) and shear part, two shear atop part pull bars (35) are connected and fixed with the top of shear partial left side plate (1) and shear partial right side plate (13) respectively, under shear part upper slitter bed (12) and shear part, cutter bed (38) is the Plate Welding part that cross sectional shape is H-shaped, wherein under shear part, cutter bed (38) two ends are fixed with shear partial left side plate (1) and shear partial right side plate (13) respectively,
Channeling part comprises channeling partial left side plate (3), channeling partial right side plate (18), track seat board (16), channeling part upper backup pad (19), retainer plate (23) and channeling part lower supporting plate (25), track seat board (16) and channeling part upper backup pad (19) are fixed with the top of channeling partial left side plate (3) and channeling partial right side plate (18) respectively, retainer plate (23) and channeling part lower supporting plate (25) are fixed with the middle part of channeling partial left side plate (3) and channeling partial right side plate (18) and bottom respectively, retainer plate (23) top is the passage that plate connects channeling part and shear part,
Shear partial left side plate (1) and channeling partial left side plate (3) are connected and fixed by connecting plate (2), and shear partial right side plate (13) and channeling part lower supporting plate (25) are connected and fixed by connecting plate (2);
Feed section is L-type stock support (11), and one end of stock support (11) and the retainer plate (23) of channeling part are fixed, and the other end supports ground;
Feed mechanism is by feed clamp assembly (4), material folding cylinder (5), feeding rod (6), feeding rod gripper shoe (7), I-steel (8), feeding ball-screw (9), feeding motor (10), feeding slide block fixed head (26), feeding slide block (27), feeding line slideway (28) and feeding track seat board (29) composition, pay-off support (11) supports feeding track seat board (29), feeding track seat board (29) is provided with two feeding line slideways (28), feeding slide block (27) is fixed on feeding slide block fixed head (26), feeding line slideway (28) and feeding slide block (27) match, feed clamp assembly (4) and material folding cylinder (5) are fixed on feeding rod (6), feed clamp assembly (4) grip sheet material is controlled by material folding cylinder (5), driven by feeding motor (10) by feeding ball-screw (9), feed clamp assembly (4) is vertically moved along feeding line slideway (28), sheet material successively feeding channeling part and shear part is processed,
Channeling mechanism is by channeling severity control motor (15), channeling line slideway (17), planing tool drive motors (20), planing tool ball screw for feeding (21), knife rest assembly (22), channeling part presser feet assembly (24), synchronous pulley (30), Timing Belt (31), channeling straight-line guide rail slide block (41), the compositions such as binder cylinder (42) and binder cylinder block (43), two channeling line slideways (17) are arranged on track seat board (16), channeling straight-line guide rail slide block (41) knife rest assembly (22) is equipped with, channeling line slideway (17) and channeling straight-line guide rail slide block (41) match and make to be fixed on planing tool (44) on knife rest assembly (22) along the transverse movement of two channeling line slideways (17), the length feed of planing tool (44) is driven by planing tool drive motors (20), the length feed of planing tool (44) adopts dovetail groove type guide frame, namely knife rest assembly (22) is provided with dovetail groove, channeling straight-line guide rail slide block (41) with knife rest realizes the lengthwise movement of planing tool (44) under the drive of planing tool ball screw for feeding (21),
Plate cutting mechanism is by binder support (32), upper slitter bed directive wheel (33), upper scissors (34), lower scissors (36), two shear hydraulic cylinders (37), two hydraulic cylinder seats (39) and binder oil cylinder (40) composition, binder support (32) is fixed on shear partial left side plate (1) and right plate (13), plate is compressed when binder support (32) being fixed with 10-15 binder oil cylinder (40) for shearing, upper slitter bed directive wheel (33) is made up of the directive wheel that six are separately fixed at shear partial left side plate (1) and shear partial right side plate (13), i.e. each three directive wheels of left and right sides, for regulating the relative position of directive wheel to adjust shear gap, upper scissors (34) is fixed with shear part upper slitter bed (12), lower scissors (36) is fixed with cutter bed (38) under shear part, two shear hydraulic cylinders (37) drive scissors (34) in bed (12) drive of shear part upper slitter and move up and down and realize the cutting of scissors to sheet material by upper slitter bed directive wheel (33) guiding, two hydraulic cylinder seats (39) are fixed with cutter bed (38) under shear part upper slitter bed (12) and shear part respectively.
Advantage of the present invention and good effect are:
This numerical control plane shearing machine is channeling and shear integral structure, can realize the channeling of sheet material and the automation of shearing and serialization, improve production efficiency, save labour, improve economic benefit; Shear after the first channeling of this numerical control plane shearing machine, employing be that servomotor drives ball-screw to drive, two feed motions realize sheet material feeding by same set of digital control system, ensure that the precision and stability of feeding; The upper slitter bed of shear part and lower cutter bed adopt H-shaped structure, reduce the width of machine, make the compact conformation of machine; The shear history of foot device and plate shearing machine is all provide power by hydraulic system, has both provided enough pressure and shearing force, can ensure speed and stability requirement again; The binder of the clamping device of feeding and channeling mechanism adopts cylinder as executive component, have be swift in motion, the advantage of pressure uniform, reliable operation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram such as geodesic structure such as axle such as just grade of this numerical control plane shearing machine.
Fig. 2 is the main TV structure schematic diagram of this numerical control plane shearing machine.
Fig. 3 is the left TV structure schematic diagram of this numerical control plane shearing machine.
Fig. 4 is the plan structure schematic diagram of this numerical control plane shearing machine.
Fig. 5 is A-A partial rear structural representation in this numerical control plane shearing machine Fig. 3.
Fig. 6 is the partial enlargement structural representation of channeling mechanism of B place in this numerical control plane shearing machine Fig. 2.
Fig. 7 is the partial enlargement structural representation of C place feed mechanism in this numerical control plane shearing machine Fig. 3.
In figure, 1. shear partial left side plate, 2. connecting plate, 3. channeling partial left side plate, 4. feed clamp assembly, 5. material folding cylinder, 6. feeding rod, 7. feeding rod gripper shoe, 8. I-steel, 9. feeding ball-screw, 10. feeding motor, 11. pay-off supports, 12. upper slitter beds, 13. shear partial right side plates, 14. Hydraulic Stations, 15. channeling severity control motors, 16. track seat boards, 17. channeling line slideways, 18. channeling partial right side plates, 19. channeling part upper backup pads, 20. planing tool drive motors, 21. planing tool ball screw for feedings, 22. knife rest assemblies, 23. retainer plates, 24. channeling part presser feet assemblies, 25. channeling part lower supporting plates, 26. feeding slide block fixed heads, 27. feeding slide blocks, 28. feeding line slideways, 29. feeding track seat boards, 30. synchronous pulleys, 31. Timing Belts, 32. binder supports, 33. upper slitter bed directive wheels, scissors on 34., 35. pull bars, 36. lower scissors, 37. shear hydraulic cylinders, 38. times cutter beds, 39. hydraulic cylinder seats, 40. binder oil cylinders, 41. channeling straight-line guide rail slide blocks, 42. binder cylinders, 43. binder cylinder blocks, 44. planing tools.
Detailed description of the invention
Embodiment:
A numerical control plane shearing machine for channeling and shear integration, as Figure 1-4, is made up of frame, feed mechanism, channeling mechanism and plate cutting mechanism,
Frame is made up of shear part, channeling part and feed section,
Shear part, as in Figure 3-5, comprise cutter bed 38 under shear partial left side plate 1, shear partial right side plate 13, two shear atop part pull bars 35, shear part upper slitter bed 12 and shear part, two shear atop part pull bars 35 are connected and fixed with the top of shear partial left side plate 1 and shear partial right side plate 13 respectively, under shear part upper slitter bed 12 and shear part, cutter bed 38 is the Plate Welding part that cross sectional shape is H-shaped, and wherein under shear part, cutter bed 38 two ends are fixed with shear partial left side plate 1 and shear partial right side plate 13 respectively;
Channeling part comprises channeling partial left side plate 3, channeling partial right side plate 18, track seat board 16, channeling part upper backup pad 19, retainer plate 23 and channeling part lower supporting plate 25, track seat board 16 and channeling part upper backup pad 19 are fixed with the top of channeling partial left side plate 3 and channeling partial right side plate 18 respectively, retainer plate 23 and channeling part lower supporting plate 25 are fixed with the middle part of channeling partial left side plate 3 and channeling partial right side plate 18 and bottom respectively, and retainer plate 23 top is the passage that plate connects channeling part and shear part;
Shear partial left side plate 1 and channeling partial left side plate 3 are connected and fixed by connecting plate 2, and shear partial right side plate 13 and channeling part lower supporting plate 25 are connected and fixed by connecting plate 2;
Feed section as shown in Figure 1, is L-type stock support 11, and one end of stock support 11 and the retainer plate 23 of channeling part are fixed, and the other end supports ground;
Feed mechanism, as Fig. 1, shown in Fig. 7, by feed clamp assembly 4, material folding cylinder 5, feeding rod 6, feeding rod gripper shoe 7, I-steel 8, feeding ball-screw 9, feeding motor 10, feeding slide block fixed head 26, feeding slide block 27, feeding line slideway 28 and feeding track seat board 29 form, pay-off support 11 supports feeding track seat board 29, feeding track seat board 29 is provided with two feeding line slideways 28, feeding slide block 27 is fixed on feeding slide block fixed head 26, feeding line slideway 28 and feeding slide block 27 match, feed clamp assembly 4 and material folding cylinder 5 are fixed on feeding rod 6, feed clamp assembly 4 grip sheet material is controlled by material folding cylinder 5, driven by feeding motor 10 by feeding ball-screw 9, feed clamp assembly 4 is vertically moved along feeding line slideway 28, sheet material successively feeding channeling part and shear part is processed,
Channeling mechanism, as Fig. 2, shown in Fig. 6, by channeling severity control motor 15, channeling line slideway 17, planing tool drive motors 20, planing tool ball screw for feeding 21, knife rest assembly 22, channeling part presser feet assembly 24, synchronous pulley 30, Timing Belt 31, channeling straight-line guide rail slide block 41, the compositions such as binder cylinder 42 and binder cylinder block 43, two channeling line slideways 17 are arranged on track seat board 16, channeling straight-line guide rail slide block 41 knife rest assembly 22 is equipped with, channeling line slideway 17 and channeling straight-line guide rail slide block 41 match and make to be fixed on planing tool 44 on knife rest assembly 22 along the transverse movement of two channeling line slideways 17, the length feed of planing tool 44 is driven by planing tool drive motors 20, the length feed of planing tool 44 adopts dovetail groove type guide frame, namely knife rest assembly 22 is provided with dovetail groove, channeling straight-line guide rail slide block 41 with knife rest realizes the lengthwise movement of planing tool 44 under the drive of planing tool ball screw for feeding 21,
Plate cutting mechanism, as shown in Figure 3, by binder support 32, upper slitter bed directive wheel 33, upper scissors 34, lower scissors 36, two shear hydraulic cylinders 37, two hydraulic cylinder seats 39 and binder oil cylinder 40 form, binder support 32 is fixed on shear partial left side plate 1 and right plate 13, plate is compressed when binder support 32 being fixed with 10 binder oil cylinders 40 for shearing, upper slitter bed directive wheel 33 is made up of the directive wheel that six are separately fixed at shear partial left side plate 1 and shear partial right side plate 13, i.e. each three directive wheels of left and right sides, for regulating the relative position of directive wheel to adjust shear gap, upper scissors 34 is fixed with shear part upper slitter bed 12, lower scissors 36 is fixed with cutter bed under shear part 38, two shear hydraulic cylinders 37 drive shear part upper slitter bed 12 and drive upper scissors 34 to move up and down and realize the cutting of scissors to sheet material by upper slitter bed directive wheel 33 guiding, two hydraulic cylinder seats 39 are fixed with cutter bed under shear part upper slitter bed 12 and shear part 38 respectively.
The course of work of plane shearing machine is as follows:
1) need the position of channeling and shearing, the channeling degree of depth, shearing position to program on the control display screen of the machine according to sheet material, then sheet material is placed on feed clamp assembly and is installed;
2) start-up routine completes following action automatically: the process actions that repeatedly self-feeding, channeling compression, the adjustment of the channeling degree of depth, channeling, shear compression, shear etc. are all.If the sheet material of identical requirement cut by plane, programming is not needed to repeat.
Claims (1)
1. a numerical control plane shearing machine for channeling and shear integration, it is characterized in that: be made up of frame, feed mechanism, channeling mechanism and plate cutting mechanism, frame is made up of shear part, channeling part and feed section,
Shear part comprises shear partial left side plate (1), shear partial right side plate (13), two shear atop part pull bars (35), cutter bed (38) under shear part upper slitter bed (12) and shear part, two shear atop part pull bars (35) are connected and fixed with the top of shear partial left side plate (1) and shear partial right side plate (13) respectively, under shear part upper slitter bed (12) and shear part, cutter bed (38) is the Plate Welding part that cross sectional shape is H-shaped, wherein under shear part, cutter bed (38) two ends are fixed with shear partial left side plate (1) and shear partial right side plate (13) respectively,
Channeling part comprises channeling partial left side plate (3), channeling partial right side plate (18), track seat board (16), channeling part upper backup pad (19), retainer plate (23) and channeling part lower supporting plate (25), track seat board (16) and channeling part upper backup pad (19) are fixed with the top of channeling partial left side plate (3) and channeling partial right side plate (18) respectively, retainer plate (23) and channeling part lower supporting plate (25) are fixed with the middle part of channeling partial left side plate (3) and channeling partial right side plate (18) and bottom respectively, retainer plate (23) top is the passage that plate connects channeling part and shear part,
Shear partial left side plate (1) and channeling partial left side plate (3) are connected and fixed by connecting plate (2), and shear partial right side plate (13) and channeling part lower supporting plate (25) are connected and fixed by connecting plate (2);
Feed section is L-type stock support (11), and one end of stock support (11) and the retainer plate (23) of channeling part are fixed, and the other end supports ground;
Feed mechanism is by feed clamp assembly (4), material folding cylinder (5), feeding rod (6), feeding rod gripper shoe (7), I-steel (8), feeding ball-screw (9), feeding motor (10), feeding slide block fixed head (26), feeding slide block (27), feeding line slideway (28) and feeding track seat board (29) composition, pay-off support (11) supports feeding track seat board (29), feeding track seat board (29) is provided with two feeding line slideways (28), feeding slide block (27) is fixed on feeding slide block fixed head (26), feeding line slideway (28) and feeding slide block (27) match, feed clamp assembly (4) and material folding cylinder (5) are fixed on feeding rod (6), feed clamp assembly (4) grip sheet material is controlled by material folding cylinder (5), driven by feeding motor (10) by feeding ball-screw (9), feed clamp assembly (4) is vertically moved along feeding line slideway (28), sheet material successively feeding channeling part and shear part is processed,
Channeling mechanism is by channeling severity control motor (15), channeling line slideway (17), planing tool drive motors (20), planing tool ball screw for feeding (21), knife rest assembly (22), channeling part presser feet assembly (24), synchronous pulley (30), Timing Belt (31), channeling straight-line guide rail slide block (41), the compositions such as binder cylinder (42) and binder cylinder block (43), two channeling line slideways (17) are arranged on track seat board (16), channeling straight-line guide rail slide block (41) knife rest assembly (22) is equipped with, channeling line slideway (17) and channeling straight-line guide rail slide block (41) match and make to be fixed on planing tool (44) on knife rest assembly (22) along the transverse movement of two channeling line slideways (17), the length feed of planing tool (44) is driven by planing tool drive motors (20), the length feed of planing tool (44) adopts dovetail groove type guide frame, namely knife rest assembly (22) is provided with dovetail groove, channeling straight-line guide rail slide block (41) with knife rest realizes the lengthwise movement of planing tool (44) under the drive of planing tool ball screw for feeding (21),
Plate cutting mechanism is by binder support (32), upper slitter bed directive wheel (33), upper scissors (34), lower scissors (36), two shear hydraulic cylinders (37), two hydraulic cylinder seats (39) and binder oil cylinder (40) composition, binder support (32) is fixed on shear partial left side plate (1) and right plate (13), plate is compressed when binder support (32) being fixed with 10-15 binder oil cylinder (40) for shearing, upper slitter bed directive wheel (33) is made up of the directive wheel that six are separately fixed at shear partial left side plate (1) and shear partial right side plate (13), i.e. each three directive wheels of left and right sides, for regulating the relative position of directive wheel to adjust shear gap, upper scissors (34) is fixed with shear part upper slitter bed (12), lower scissors (36) is fixed with cutter bed (38) under shear part, two shear hydraulic cylinders (37) drive scissors (34) in bed (12) drive of shear part upper slitter and move up and down and realize the cutting of scissors to sheet material by upper slitter bed directive wheel (33) guiding, two hydraulic cylinder seats (39) are fixed with cutter bed (38) under shear part upper slitter bed (12) and shear part respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510611752.6A CN105252273A (en) | 2015-09-21 | 2015-09-21 | Numeral control planing and shearing machine integrating slot planing and plate shearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510611752.6A CN105252273A (en) | 2015-09-21 | 2015-09-21 | Numeral control planing and shearing machine integrating slot planing and plate shearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105252273A true CN105252273A (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510611752.6A Pending CN105252273A (en) | 2015-09-21 | 2015-09-21 | Numeral control planing and shearing machine integrating slot planing and plate shearing |
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| Country | Link |
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| CN (1) | CN105252273A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976003A (en) * | 2017-04-06 | 2017-07-25 | 盐城工学院 | A kind of electrified surface trimming steel plate equipment |
| CN107263121A (en) * | 2017-07-31 | 2017-10-20 | 广州德亚机械制造有限公司 | Full-automatic flange rotation is put down and welding streamline |
| CN114571062A (en) * | 2021-11-09 | 2022-06-03 | 湖南中新智能自动化科技有限公司 | Sheet metal grooving and shearing compound machine |
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| EP0039801A2 (en) * | 1980-05-07 | 1981-11-18 | ZINKEN ITALIANA S.p.A. | Combination planing, sawing, milling and mortising apparatus |
| US4846037A (en) * | 1982-08-06 | 1989-07-11 | Amada Company, Limited | Right angle progressive shearing machine |
| DE3823635C2 (en) * | 1988-07-13 | 1992-06-25 | Eugen Lutz Gmbh U. Co Maschinenfabrik, 7130 Muehlacker, De | |
| CN103522064A (en) * | 2013-09-29 | 2014-01-22 | 中国航空动力机械研究所 | Sheet material edge cutter and sheet material processing method |
| CN204220831U (en) * | 2014-11-03 | 2015-03-25 | 黄石华信机械设备有限公司 | A kind of plate shearing machine with pay-off before half range numerical control |
| CN204430396U (en) * | 2015-02-09 | 2015-07-01 | 无锡市上锻机床有限公司 | Sheet material keyway planer |
| CN204603420U (en) * | 2015-05-17 | 2015-09-02 | 安徽中瑞机床制造有限公司 | A kind of high-precision lock formula plate shearing machine |
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2015
- 2015-09-21 CN CN201510611752.6A patent/CN105252273A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0039801A2 (en) * | 1980-05-07 | 1981-11-18 | ZINKEN ITALIANA S.p.A. | Combination planing, sawing, milling and mortising apparatus |
| US4846037A (en) * | 1982-08-06 | 1989-07-11 | Amada Company, Limited | Right angle progressive shearing machine |
| DE3823635C2 (en) * | 1988-07-13 | 1992-06-25 | Eugen Lutz Gmbh U. Co Maschinenfabrik, 7130 Muehlacker, De | |
| CN103522064A (en) * | 2013-09-29 | 2014-01-22 | 中国航空动力机械研究所 | Sheet material edge cutter and sheet material processing method |
| CN204220831U (en) * | 2014-11-03 | 2015-03-25 | 黄石华信机械设备有限公司 | A kind of plate shearing machine with pay-off before half range numerical control |
| CN204430396U (en) * | 2015-02-09 | 2015-07-01 | 无锡市上锻机床有限公司 | Sheet material keyway planer |
| CN204603420U (en) * | 2015-05-17 | 2015-09-02 | 安徽中瑞机床制造有限公司 | A kind of high-precision lock formula plate shearing machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976003A (en) * | 2017-04-06 | 2017-07-25 | 盐城工学院 | A kind of electrified surface trimming steel plate equipment |
| CN107263121A (en) * | 2017-07-31 | 2017-10-20 | 广州德亚机械制造有限公司 | Full-automatic flange rotation is put down and welding streamline |
| CN114571062A (en) * | 2021-11-09 | 2022-06-03 | 湖南中新智能自动化科技有限公司 | Sheet metal grooving and shearing compound machine |
| CN114571061A (en) * | 2021-11-09 | 2022-06-03 | 湖南中新智能自动化科技有限公司 | Sheet metal grooving and cutting process and grooving and cutting integrated machine |
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