CN110202384B - Adjustable single-side rolling double-angle forming integrated numerical control machining machine for metal plates - Google Patents
Adjustable single-side rolling double-angle forming integrated numerical control machining machine for metal plates Download PDFInfo
- Publication number
- CN110202384B CN110202384B CN201910573213.6A CN201910573213A CN110202384B CN 110202384 B CN110202384 B CN 110202384B CN 201910573213 A CN201910573213 A CN 201910573213A CN 110202384 B CN110202384 B CN 110202384B
- Authority
- CN
- China
- Prior art keywords
- sliding table
- guide rail
- rolling
- adjustable
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 84
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 11
- 239000002184 metal Substances 0.000 title claims abstract description 11
- 238000003754 machining Methods 0.000 title claims description 8
- 238000003825 pressing Methods 0.000 claims abstract description 74
- 239000000463 material Substances 0.000 claims description 44
- 238000010008 shearing Methods 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009957 hemming Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The invention provides an adjustable single-side rolling double-angle forming integrated numerical control processing machine for a metal plate, which comprises a frame, wherein a workbench is arranged in front of the frame, a vertical guide rail is arranged on the frame, an upper sliding table and a lower sliding table are arranged on the vertical guide rail, the upper sliding table is connected with the lower sliding table, a forming oil cylinder and an upper sliding table horizontal guide rail are arranged on the upper sliding table, a lower sliding table horizontal guide rail is arranged on the lower sliding table, an adjustable pressing device A is arranged at the front end of a top plate of the frame, an adjustable double-angle forming device B is arranged on the upper sliding table horizontal guide rail, an adjustable single-side rolling device C is arranged on the lower sliding table horizontal guide rail, an adjustable square die device D is arranged on the workbench, and servo motors are controlled by a PLC numerical control system; the one-step forming action of the invention realizes one-side rolling and double-angle one-step forming of the workpiece, reduces the complexity of four-side bending in the past, and reduces the frequency of corner forming of the workpiece, thereby reducing the labor intensity and the production cost and greatly improving the production efficiency.
Description
Technical Field
The invention relates to the technical field of sheet metal machining equipment, in particular to an adjustable single-side rolling double-angle forming integrated numerical control machining machine.
Background
The angle forming processing machine in the prior art has the advantages that the single angle forming technology is a mature technology in China, has good applicability to small-batch cabinet doors, instrument cover plates and other workpieces with small specifications, but has obvious defects when the cabinet doors with large specifications are large in batches and large-scale aluminum veneer curtain wall workpieces are processed, and the angle forming processing machine has low production efficiency and unstable quality due to the fact that the bending times of workpieces are large and the corner forming frequency of the workpieces is high.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an adjustable numerical control machining machine integrating single-side rolling and double-angle forming, which realizes single-side rolling of a workpiece and double-angle one-time forming of the workpiece and solves the problems of low production efficiency and unstable quality.
The technical scheme of the invention is realized as follows: the numerical control processing machine comprises a frame, wherein a workbench is arranged in front of the frame, a vertical guide rail is arranged on the frame, an upper sliding table and a lower sliding table are arranged on the vertical guide rail, the upper sliding table is connected with the lower sliding table, a forming oil cylinder and an upper sliding table horizontal guide rail are arranged on the upper sliding table, a lower sliding table horizontal guide rail is arranged on the lower sliding table, an adjustable pressing device A is arranged at the front end of a top plate of the frame, an adjustable double-angle forming device B is arranged on the upper sliding table horizontal guide rail, an adjustable single-side rolling device C is arranged on the lower sliding table horizontal guide rail, an adjustable square die device D is arranged on the workbench, and servo motors are controlled by a PLC numerical control system;
Preferably, the adjustable material pressing device A comprises a material pressing cylinder servo motor arranged at the front end of a rack top plate, wherein the material pressing cylinder servo motor is connected with a material pressing screw pair, a linear guide rail is arranged in parallel with the material pressing screw pair, two ends of the linear guide rail are respectively provided with a corner material pressing cylinder, the corner material pressing cylinders are connected with the linear guide rail through semicircular clamps, the corner material pressing cylinders are simultaneously connected with the material pressing screw pair, the corner material pressing cylinders are connected with corner material pressing blocks, two mandrels are arranged on the corner material pressing blocks, the mandrels are connected with middle material pressing blocks, a fixed material pressing cylinder is arranged in the middle of each corner material pressing block, and the fixed material pressing cylinders are connected with the middle material pressing blocks;
Preferably, the adjustable double-angle forming device B comprises a left rolling die sliding plate and a right rolling die sliding plate which are arranged on a horizontal guide rail of an upper sliding table, a rolling die servo motor is arranged on the rolling die sliding plate, the rolling die servo motor is connected with a rolling die speed reducer and a rolling die screw pair, a rolling die frame is arranged on the rolling die sliding plate, the rolling die frame is connected with a forming rolling die and a gland, a locking pressing plate is arranged on the rolling die sliding plate, the locking pressing plate is connected with a clamping cylinder, a shearing cylinder is arranged above the rolling die frame, the shearing cylinder is connected with a shearing knife sliding block and the sliding plate, and a shearing knife is arranged on the shearing knife sliding block between the two sliding plates;
Preferably, the adjustable unilateral rolling device C comprises a lower sliding table horizontal guide rail, wherein a compression roller sliding plate is symmetrically arranged on the lower sliding table horizontal guide rail left and right, a compression roller servo motor is arranged on the compression roller sliding plate, the compression roller servo motor is connected with a compression roller speed reducer and a compression roller screw pair, a rolling support is arranged on the compression roller sliding plate, a roller support is arranged on the rolling support, a positioning shaft is arranged in the roller support, a compression roller is arranged on the roller support, a folding edge positioner is arranged on the rolling support, the folding edge positioner is connected with a positioning servo motor, and the positioning servo motor is connected with a gear and a rack shaft;
Preferably, the adjustable square die device D comprises a dovetail plate arranged on the workbench, a square die servo motor is arranged on the dovetail plate, the square die servo motor is connected with a square die screw pair, a corner square die holder and a middle square die holder are arranged on the dovetail plate, a corner square die is arranged on the corner square die holder, and a middle square die is arranged on the middle square die holder;
Preferably, a gap adjustment servo driving mechanism is arranged on the workbench and is connected with the dovetail plate.
The beneficial effects of the invention are as follows: the frame is formed by welding steel plates integrally, has enough strength and rigidity, and ensures the stability of movement;
the one-step forming action of the invention can simultaneously process two corner fillets and unilateral roll forming, also can process one corner fillet, can adjust the processing width dimension of the equipment, has certain flexibility, meets the requirement of certain range change of product specifications, is particularly suitable for mass production of large-scale or large-scale sheet metal workpieces, and improves the processing capacity of the equipment and the quality stability of the products;
The invention realizes single-side rolling and double-angle one-step forming of the workpiece, reduces the complexity of four-side bending in the past, and reduces the frequency of corner forming of the workpiece, thereby reducing the labor intensity and the production cost, greatly improving the production efficiency and being beneficial to building an industrial automatic production line.
Drawings
FIG. 1 is a front elevational view of the structure of the present invention;
FIG. 2 is a top plan view of the structure of the present invention;
FIG. 3 is a cross-sectional view of the structure of the present invention;
FIG. 4 is a schematic view of an adjustable dual angle molding apparatus of the present invention;
FIG. 5 is a schematic diagram of an adjustable square mold apparatus according to the present invention;
FIG. 6 is a partial structural view of the present invention;
FIG. 7 is a partial structural view of the present invention;
FIG. 8 is a schematic view of a workpiece prior to processing in accordance with the present invention;
Fig. 9 is a schematic view of a workpiece after processing in accordance with the present invention.
In the figure: 1.a frame; 2. forming an oil cylinder; 3. an upper sliding table; 4. a vertical guide rail; 5. an upper sliding table horizontal guide rail; 6. a lower sliding table; 7. a lower sliding table horizontal guide rail; 8. a work table; 9. a press roller slide plate; 10. a press roll servo motor; 11. a press roller speed reducer; 12. a compression roller screw pair; 13. rolling the support; 14. positioning a shaft; 15. a roller support; 16. a press roller; 17. a hemming positioner; 18. positioning a servo motor; 19. a gear; 20. a rack shaft; 21. a rolling die sliding plate; 22. a roll die servo motor; 23. a rolling die speed reducer; 24. a rolling die screw pair; 25. a rolling die frame; 26. forming a rolling die; 27. a clamping cylinder; 28. locking the pressing plate; 29. a shearing cylinder; 30. a shearing knife; 31. a dovetail plate; 32. a square die servo motor; 33. square mould screw pair; 34. corner square die holder; 35. a middle square die holder; 36. corner square mold; 37. a middle square mold; 38. a servo motor of a pressing oil cylinder; 39. a pressing screw pair; 40. fixing a material pressing oil cylinder; 41. a middle pressing block; 42. corner material pressing oil cylinders; 43. a semicircular card; 44. corner pressing blocks; 45. a mandrel; 46. a linear guide rail; 47. a gap adjustment servo drive mechanism; 48. a gland; 49. the device comprises a shearing knife sliding block, a shearing knife 50, a sliding plate 51, a workpiece, an adjustable pressing device A, an adjustable double-angle forming device B, an adjustable single-side rolling device C, an adjustable square die device D.
Detailed Description
For a better understanding and implementation, the present invention is further described below with reference to the accompanying drawings: according to the numerical control processing machine with adjustable single-side rolling double-angle forming integrated of the metal plate shown in fig. 1 to 7, the numerical control processing machine comprises a machine frame 1, wherein the rear end of a top plate of the machine frame is provided with a forming oil cylinder 2, the forming oil cylinder 2 is connected with an upper sliding table 3 and is arranged on a vertical guide rail 4 on the machine frame, a lower sliding table 6 is also arranged on the vertical guide rail 4 on the machine frame 1 and is connected with the upper sliding table 3, the forming oil cylinder 2 pushes the upper sliding table and the lower sliding table to vertically move up and down, and an adjustable double-angle forming device B arranged on a horizontal guide rail 5 of the upper sliding table and an adjustable single-side rolling device C arranged on a horizontal guide rail 7 of the lower sliding table 6 also vertically move up and down; an adjustable material pressing device A is arranged at the front end of the top plate of the frame; an adjustable square die device D is arranged on the workbench 8; the devices are as follows: and servo motors are controlled by a PLC numerical control system.
The adjustable single-side rolling device C is provided with a press roller servo motor 10, a press roller speed reducer 11 and a press roller screw pair 12, a transmission mechanism drives two press roller sliding plates 9 to move left and right, and the size can be adjusted by changing the specifications of a roller support 15 and a press roller 16 arranged on a rolling bracket 13; the rolling support is provided with a flanging locator 17, and the flanging locator 17 drives a gear 19 and a rack shaft 20 to move back and forth through a locating servo motor 18 so as to locate according to numerical control workpiece flanging height values.
The adjustable double-angle forming device B comprises: the upper sliding table horizontal guide rail 5 is provided with two rolling die sliding plates 21, the rolling die sliding plates 21 are provided with rolling die servo motors 22, rolling die speed reducers 23 and rolling die screw pairs 24, a transmission mechanism drives the rolling die sliding plates 21 to move left and right and drives a rolling die frame 25 arranged on the rolling die sliding plates 21 to be connected with a forming rolling die 26, a clamping cylinder 27 is connected with a locking pressing plate 28, a shearing cylinder 29, a shearing knife sliding block 49 and a sliding plate 50 are arranged above the rolling die frame 25, and a shearing knife 30 also moves left and right simultaneously to be matched with the width dimension of a forming workpiece arranged in a numerical control system, and then a clamping cylinder 27 on the rolling die sliding plates 21 drives the locking pressing plate 28 to fasten the left and right rolling die sliding plates.
The adjustable square die device D comprises: the dovetail plate 31 arranged on the workbench 8, the dovetail plate 31 is provided with a square die servo motor 32 and a square die screw pair 33, the transmission mechanism drives the two corner square die holders 34 to move left and right, and the size can be adjusted by changing the specifications of a middle square die holder 35 arranged on the dovetail plate 31 and a middle square die 37 arranged on the middle square die holder 35, wherein the corner square die 36 on the corner square die holder 34 also moves.
The adjustable material pressing device A comprises: two corner material pressing cylinders 42 are respectively arranged at two ends of a linear guide rail 46 at the front end of a rack top plate, the corner material pressing cylinders 42 are connected with semicircular clamps 43, the corner material pressing cylinders 42 are connected with corner material pressing blocks 44, two mandrels 45 are arranged on the corner material pressing blocks 44 and are connected with a middle material pressing block 41, and a fixed material pressing cylinder 40 is arranged in the middle and is connected with the middle material pressing block 41; the two corner pressing oil cylinders 42 are driven to move left and right by the transmission mechanism of the pressing oil cylinder servo motor 38 and the pressing screw pair 39, and the size can be adjusted by changing the specification of the middle pressing block 41.
The adjustable single-side rolling double-angle forming integrated numerical control machining machine for the metal plate has the following actions:
The numerical control system of the invention is provided with plate materials, plate thickness, edge folding height and width dimension of a formed workpiece. And (3) equipment adjustment: the roller support 15 and the press roller 16 on the adjustable single-side rolling device C are replaced in sequence; changing a middle square die holder 35 and a middle square die 37 on the adjustable square die device D; replacing the middle pressing block 41 on the adjustable pressing device A; the size can be automatically adjusted and adjusted by respective servo driving; simultaneously, a forming rolling die on the adjustable double-angle forming device B can automatically distance and automatically adjust the size to match with the width size of a forming workpiece arranged in the numerical control system through servo driving, and then a left clamping cylinder and a right clamping cylinder on a rolling die sliding plate clamp and fix the left rolling die sliding plate and the right rolling die sliding plate; and meanwhile, the edge folding positioner on the adjustable single-side rolling device C drives the rack shaft 20 to position according to the set edge folding height value through the positioning servo motor. After the above instruction is completed, the clearance adjustment servo drive mechanism 47 mounted on the table 8 can adjust the clearance between the corner square mold 36, the middle square mold 37 and the forming roller mold 26 on the adjustable double-corner forming device B.
After the gap is adjusted, the workpiece 51 is placed on an adjustable square die device D, the front end of the workpiece 51 is aligned with the front end of the edge folding positioner, two side edges are positioned with the side surfaces of two corner square dies 36 on the adjustable square die device D, a foot switch is stepped down, a PLC numerical control system sends out instructions, after a corner pressing block 44 and a middle pressing block 41 on the adjustable pressing device A downwards press the workpiece, a forming cylinder 2 pushes an upper sliding table 3 and a lower sliding table 6 to drive a pressing roller 16 on an adjustable single-side rolling device C to downwards move, the pressing roller, the corner square dies 36 and the middle square die 37 on the adjustable square die device D realize single-side rolling forming of the workpiece, and meanwhile, a bilateral symmetry forming rolling die 26 on the adjustable double-corner forming device B downwards moves along with the two corner square dies 36 on the adjustable square die device D to roll-form the double corners of the workpiece. After the adjustable double-angle forming device B descends to a designated position, a shearing cylinder obtains an instruction to push a shearing knife 30 to form shearing fit with the lower edge of the corner square die on the adjustable square die device D, redundant waste materials at the corner of a workpiece are sheared, after the shearing cylinder returns, a material pressing cylinder on the adjustable material pressing device A is reset, and the adjustable double-angle forming device B on the upper sliding table and the adjustable single-side rolling device C on the lower sliding table are reset at the same time. At this time, the single-side rolling double-angle forming action of the metal plate is completed.
The foregoing description is only of the preferred embodiments of the invention, and other principles are equally well within the scope of the invention.
Claims (3)
1. The numerical control processing machine with adjustable single-side rolling and double-angle forming integrated metal plates comprises a frame (1), a workbench (8) is arranged in front of the frame (1), a vertical guide rail (4) is arranged on the frame (1), an upper sliding table (3) and a lower sliding table (6) are arranged on the vertical guide rail (4), the upper sliding table (3) is connected with the lower sliding table (6), a forming oil cylinder (2) and an upper sliding table horizontal guide rail (5) are arranged on the upper sliding table (3), a lower sliding table horizontal guide rail (7) is arranged on the lower sliding table (6), and is characterized in that an adjustable pressing device A is arranged at the front end of a top plate of the frame (1), an adjustable double-angle forming device B is arranged on the upper sliding table horizontal guide rail (5), An adjustable single-side rolling device C is arranged on the lower sliding table horizontal guide rail (7), an adjustable square die device D is arranged on the workbench (8), and servo motors are arranged on the devices and controlled by a PLC numerical control system; The adjustable material pressing device A comprises a material pressing cylinder servo motor (38) arranged at the front end of a top plate of the frame (1), the material pressing cylinder servo motor (38) is connected with a material pressing screw pair (39), a linear guide rail (46) is arranged in parallel with the material pressing screw pair (39), corner material pressing cylinders (42) are respectively arranged at two ends of the linear guide rail (46), the corner material pressing cylinders (42) are connected with the linear guide rail (46) through semicircular clamps (43), the corner material pressing cylinders (42) are simultaneously connected with the material pressing screw pair (39), the corner material pressing cylinders (42) are connected with corner material pressing blocks (44), two mandrels (45) are arranged on the corner material pressing blocks (44), The mandrel (45) is connected with the middle pressing block (41), a fixed pressing cylinder (40) is arranged in the middle of the corner pressing block (44), and the fixed pressing cylinder (40) is connected with the middle pressing block (41); the adjustable double-angle forming device B comprises a left rolling die sliding plate (21) and a right rolling die sliding plate (21) which are arranged on an upper sliding table horizontal guide rail (5), a rolling die servo motor (22) is arranged on the rolling die sliding plate (21), the rolling die servo motor (22) is connected with a rolling die speed reducer (23) and a rolling die screw pair (24), a rolling die frame (25) is arranged on the rolling die sliding plate (21), the rolling die frame (25) is connected with a forming rolling die (26) and a gland (48), a locking pressing plate (28) is arranged on the rolling die sliding plate (21), the locking pressing plate (28) is connected with a clamping cylinder (27), a shearing cylinder (29) is arranged above the rolling die frame (25), The shearing cylinder (29) is connected with the shearing knife sliding block (49) and the sliding plates (50), and the shearing knife (30) is arranged on the shearing knife sliding block (49) between the two sliding plates (50); The adjustable unilateral rolling device C comprises a lower sliding table horizontal guide rail (7), a compression roller sliding plate (9) is symmetrically arranged on the left and right sides of the lower sliding table horizontal guide rail, a compression roller servo motor (10) is arranged on the compression roller sliding plate (9), the compression roller servo motor (10) is connected with a compression roller speed reducer (11) and a compression roller screw pair (12), a rolling bracket (13) is arranged on the compression roller sliding plate (9), a roller support (15) is arranged on the rolling bracket (13), a positioning shaft (14) is arranged in the roller support (15), a compression roller (16) is arranged on the roller support (15), a folding edge positioner (17) is arranged on the rolling bracket (13), the folding edge positioner (17) is connected with a positioning servo motor (18), the positioning servo motor (18) is connected with the gear (19) and the rack shaft (20).
2. The numerical control machining machine integrating adjustable single-side rolling and double-angle forming of the metal plate as claimed in claim 1, wherein the adjustable square die device D comprises a dovetail plate (31) arranged on a workbench (8), a square die servo motor (32) is arranged on the dovetail plate (31), the square die servo motor (32) is connected with a square die screw pair (33), a corner square die holder (34) and a middle square die holder (35) are arranged on the dovetail plate (31), a corner square die (36) is arranged on the corner square die holder (34), and a middle square die (37) is arranged on the middle square die holder (35).
3. The numerical control machining machine integrating adjustable single-side rolling and double-angle forming of metal plates according to claim 2, wherein a gap adjusting servo driving mechanism (47) is arranged on the workbench (8), and the gap adjusting servo driving mechanism (47) is connected with the dovetail plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910573213.6A CN110202384B (en) | 2019-06-28 | Adjustable single-side rolling double-angle forming integrated numerical control machining machine for metal plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910573213.6A CN110202384B (en) | 2019-06-28 | Adjustable single-side rolling double-angle forming integrated numerical control machining machine for metal plates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110202384A CN110202384A (en) | 2019-09-06 |
| CN110202384B true CN110202384B (en) | 2024-06-25 |
Family
ID=
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210306701U (en) * | 2019-06-28 | 2020-04-14 | 烟台瑞斯克数控机械有限公司 | Adjustable single-side rolling double-angle molding integrated numerical control processing machine for metal plates |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210306701U (en) * | 2019-06-28 | 2020-04-14 | 烟台瑞斯克数控机械有限公司 | Adjustable single-side rolling double-angle molding integrated numerical control processing machine for metal plates |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109176037A (en) | A kind of plate cuts out, punching, bending full-automation production line | |
| CN108188756B (en) | Glass window section bar preprocessing system | |
| CN111299367A (en) | Flexible intelligent bending equipment for bending metal plate | |
| CN209109947U (en) | A kind of adjustable hole punched device of automatic moulding machine combined type | |
| CN109570282A (en) | A kind of automatic charging and the adjustable numerical control bender in bending angle | |
| CN213224481U (en) | Numerical control V-shaped double-groove planer | |
| CN110202384B (en) | Adjustable single-side rolling double-angle forming integrated numerical control machining machine for metal plates | |
| EP1786579A1 (en) | Multifunction hydraulic head suitable for being applied to machines for bending and forming metallic sheets | |
| CN105436302A (en) | Numerically-controlled processing integrated machine for copper bar | |
| CN210306701U (en) | Adjustable single-side rolling double-angle molding integrated numerical control processing machine for metal plates | |
| CN209830490U (en) | Section bar cutting machine for construction | |
| CN102601283B (en) | Hot forging production line | |
| CN216501669U (en) | High accuracy sheet metal component multichannel bending device | |
| CN216501858U (en) | Multi-station automatic flanging machine for thin-wall shaft sleeve | |
| CN214639269U (en) | A automatic leveling device for new energy automobile's stator and rotor blanking mould | |
| CN205651064U (en) | Shearing machine | |
| CN213411206U (en) | Workpiece punching, positioning and clamping device | |
| CN212495002U (en) | Feeding device for flexible connection stamping production | |
| CN210615744U (en) | Aluminum plate cutting keyway planer code hole all-in-one | |
| CN210816864U (en) | Bending machine with special-shaped workpiece limiting structure | |
| CN210615747U (en) | Double-cylinder compression roller device for aluminum plate cutting machine | |
| CN211027618U (en) | Bending machine for sheet metal part machining | |
| CN110202384A (en) | The double shaping integrated numerical control machines in angle of the adjustable unilateral rolling of sheet metal | |
| CN106334941A (en) | Bending machine | |
| CN110935808A (en) | Full-automatic five metals punch press system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |