CN114101400A - High-precision oil-electricity hybrid electric-hydraulic servo numerical control bending machine - Google Patents
High-precision oil-electricity hybrid electric-hydraulic servo numerical control bending machine Download PDFInfo
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- CN114101400A CN114101400A CN202111338301.1A CN202111338301A CN114101400A CN 114101400 A CN114101400 A CN 114101400A CN 202111338301 A CN202111338301 A CN 202111338301A CN 114101400 A CN114101400 A CN 114101400A
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/004—Bending sheet metal along straight lines, e.g. to form simple curves with program control
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
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Abstract
The invention provides a high-precision oil-electricity hybrid electro-hydraulic servo numerical control bending machine which comprises a bending machine body, wherein a movable mounting plate is connected to the upper portion of the front side of the bending machine body in a sliding mode, a workbench is arranged on the lower portion of the front side of the bending machine body, an upper die and a lower die are correspondingly mounted on the movable mounting plate and the workbench respectively, a cutter for bending is connected to the upper die, and a positioning groove matched with the bending cutter is connected to the lower die; install the multiple drive arrangement who is used for the drive to go up the mould, move down on the bender organism, multiple drive arrangement includes first hydro-cylinder, the second hydro-cylinder, first hydro-cylinder, the output of second hydro-cylinder passes through oil pipe and connects the output pole, the output pole links to each other with last mould, be used for the drive to go up the mould, move down, this application optimizes improvement actuating mechanism and multiaxis striker plate, bending precision and efficiency have effectively been improved, whole degree of automation is high, the noise is little, it is good to use the variety, comprehensive practicality is showing and is improving, be worth popularizing and applying.
Description
Technical Field
The invention relates to the technical field of numerical control bending machines, in particular to a high-precision oil-electricity hybrid electro-hydraulic servo numerical control bending machine.
Background
The bending machine is a machine capable of bending thin plates, and mainly structurally comprises a support, a workbench and a clamping plate, wherein the workbench is arranged on the support and comprises a base and a pressing plate, the base is connected with the clamping plate through a hinge and comprises a seat shell, a coil and a cover plate, the coil is arranged in a recess of the seat shell, and the cover plate covers the top of the recess. When the clamping device is used, the coil is electrified by the lead, and the attraction is generated on the pressing plate after the coil is electrified, so that the thin plate between the pressing plate and the base is clamped. Currently, bender products are widely applicable to: the cutting machine is used for cutting various steel plates, stainless steel, copper plates, aluminum plates and non-metal material plates, can fold products into conical, arc, circular or right-angle shapes and the like, and can also be designed and processed into a die with a special shape according to requirements.
At present, the hydraulic control system principle of home and abroad electro-hydraulic servo synchronous bending machines is very similar, and basically does not change for decades, and the oil cylinder synchronization is controlled by a proportional servo valve, which can be called as a valve control synchronous system. Due to the application of the proportional servo throttling speed regulation principle, the energy loss is large, the system is easy to heat, the energy utilization rate is low, and a common hydraulic system has larger noise when being idle or in a fast running state.
In addition, one of the mechanical auxiliary devices that often uses on the bender is back dam device, and traditional back dam device is poor at panel beating forming process positioning accuracy, complex operation, inconvenient use for the bender is carrying out the in-process of bending of work piece, and work efficiency is poor, and is carrying out the work piece bending in-process of different dimensions, and the time that needs the cost is longer, is unfavorable for production. Along with the development of numerical control technology, the rear material blocking device with high precision, flexibility and stability becomes the requirement of the technical field of bending machine mechanical equipment.
Disclosure of Invention
In view of the above, the invention aims to provide a high-precision oil-electricity hybrid electric-hydraulic servo numerical control bending machine, which optimizes and improves a driving mechanism and a multi-shaft baffle plate, effectively improves bending precision and efficiency, has high overall automation degree, low noise, good application diversity and remarkably improved comprehensive practicability, and is worthy of popularization and application.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-precision oil-electricity hybrid electro-hydraulic servo numerical control bending machine comprises a bending machine body, wherein a movable mounting plate is connected to the upper portion of the front side of the bending machine body in a sliding mode, a workbench is arranged on the lower portion of the front side of the bending machine body, an upper die and a lower die are correspondingly mounted on the movable mounting plate and the workbench respectively, a cutter for bending is connected to the upper die, and a positioning groove matched with the bending cutter is connected to the lower die;
the bending machine body is provided with a multiple driving device for driving the upper die to move up and down, the multiple driving device comprises a first oil cylinder and a second oil cylinder, output ends of the first oil cylinder and the second oil cylinder are connected with an output rod through oil pipes, and the output rod is connected with the upper die and used for driving the upper die to move up and down.
Preferably, the oil pipe is a Y-shaped structure, and the Y-shaped branch pipe of the oil pipe is correspondingly provided with a flow regulating valve and a pressure regulating valve.
Preferably, an oil tank is arranged in the bending machine body and is communicated with an oil pump, the oil pump is connected with a servo motor, and the servo motor drives the oil pump to work, so that piston rods of the first oil cylinder and the second oil cylinder move.
Preferably, the material blocking mechanism is mounted on the rear side of the bending machine body and comprises a first linear guide rail and a second linear guide rail, the first linear guide rail is arranged in the depth direction of the bending machine body, the second linear guide rail is arranged in the length direction of the bending machine body, the first linear guide rail is mounted on the workbench, the second linear guide rail is slidably arranged on the first linear guide rail, and the material blocking platform is slidably arranged on the second linear guide rail and used for supporting a workpiece in a collision mode.
The first linear guide rail and the second linear guide rail are both composed of a base plate and a sliding rail plate, a shaft column is rotatably installed on the periphery of the top of the base plate, a top plate is arranged at the upper end of the shaft column, a connecting column is rotatably installed at the upper end of the top plate, a connecting plate which is in adaptive sleeve connection with the connecting column is correspondingly arranged on the periphery of the bottom of the sliding rail plate, and the base plate and the sliding rail plate are connected through the shaft column, the connecting column and the connecting plate in adaptive support;
a first pull ring is arranged at the bottom of the base plate on the second linear guide rail, a pull rope is wound among the base plate shafts on the first linear guide rail, and the middle part of the pull rope penetrates through and is connected with the first pull ring; and a second pull ring is arranged at the bottom of the material blocking platform, a pull rope is also penetrated through the second pull ring and connected with the second pull ring, and two ends of the pull rope are respectively wound on the base plate shaft columns arranged on the second linear guide rail.
As a further preferred mode of the invention, the base plate is provided with a motor which drives the corresponding shaft column to rotate.
Preferably, the connecting column is a stud, and a screw hole matched and screwed with the stud penetrates through the connecting plate.
In a further preferred embodiment of the present invention, the first linear guide and the second linear guide have different types of studs and screw holes.
Preferably, the lower part of the connecting column is fixedly provided with an ear plate, the ear plate is provided with a polygonal column in a penetrating manner, and the upper surface of the top plate is provided with a polygonal groove which is in adaptive splicing with the polygonal column.
Preferably, the top of the polygon prism is provided with a ferromagnetic metal layer, the side wall of the connecting column above the ear plate is fixedly provided with an electromagnetic adsorption plate, and the electromagnetic adsorption plate is powered on and powered off to realize adsorption connection or disconnection of the polygon prism ferromagnetic metal layer.
Based on the structure optimization, the machine body adopts an integral welding structure, and the whole machine precision of the machine tool can be ensured. Important parts are analyzed by adopting finite element analysis software, so that the reliability of the machine tool is ensured.
The hydraulic system adopts a German import integrated control system, so that the working stability of the machine tool is improved, and the appearance is attractive and simple.
The electro-hydraulic servo numerical control bending machine adopts a hydraulic convex automatic compensation system, the compensation amount is automatically adjusted by the numerical control system, the operation is convenient and accurate, and the influence of deformation in the bending process on the quality of a workpiece is avoided.
The invention has the beneficial effects that: the high-precision oil-electricity hybrid electro-hydraulic servo numerical control bending machine disclosed by the invention has the advantages that the driving mechanism and the multi-shaft baffle plate are optimized and improved, the bending precision and efficiency are effectively improved, the integral automation degree is high, the noise is low, the application diversity is good, the comprehensive practicability is obviously improved, and the high-precision oil-electricity hybrid electro-hydraulic servo numerical control bending machine is worthy of popularization and application.
The stock stop that sets up except that accurate regulation and control position in X, Y directions, rational design guide rail itself simultaneously comprises upper and lower two sets of components, realizes the regulation and control in vertical side through the double-screw bolt rotation to accomplish the multidimension adjustment of upper and lower, left and right sides, fore-and-aft direction, the variety is good.
The two linear rails adopt studs with different regulation and control precision, the applicability is stronger, the studs can be adjusted and installed as required, and the precision and the applicability are both obviously improved.
In addition, linear rail is rotated by motor drive jack-post and is accomplished X, Y ascending removal adjustment in side, and is further, and the polygon prism through the adaptation grafting can also further drive the double-screw bolt rotatory to adjust vertical direction height, convenient high efficiency, multiaxial adjustment is high, has improved the precision of bending greatly.
The flow and pressure of the two oil cylinders are respectively controlled by two sets of servo bidirectional pump systems so as to realize the lifting and bending actions of the upper die and the lower die. The machine tool has the advantages of high precision, environmental protection, energy conservation, low noise, more superiority in power consumption and energy efficiency, small occupied space, high speed efficiency, stability and reliability.
The advantages of environmental protection and energy saving. Because the most advanced double-servo pump control system drive at present is used, more space, hydraulic oil and energy consumption are saved compared with the common hydraulic system, and the usage amount of the hydraulic oil is only about 1/3-1/5 of the common hydraulic system.
The bending system has the advantages of more excellent power consumption and energy efficiency, and compared with the traditional bending system mode, the power consumption can be improved by over 75 percent, and only about 5 percent of other systems are provided at least under the standby condition.
The performance in the aspect of high efficiency, especially speed, its unloaded, the speed of working can improve 15% to 25% than ordinary numerical control bender, and return speed can reach more than 50%. This greatly improves the production efficiency.
The automatic detection system can achieve automatic calculation of programs, automatic bending, automatic laser detection, automatic detection result feedback, recognition and automatic compensation in the aspect of automatic functions, and comprises anti-collision control. The robot is perfectly matched with the robot, and the unmanned operation can be realized in the true sense.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a stock stop of the invention;
FIG. 3 is an enlarged view of the invention at A;
in the figure: 1 bender organism, 2 movable mounting panel, 3 workstations, 4 mould, 5 lower moulds, 6 first hydro-cylinders, 7 second hydro-cylinders, 8 oil tanks, 9 first linear guide rail, 10 second linear guide rail, 11 material stopping platform, 12 bed plates, 13 slide rail boards, 14 jack posts, 15 roof boards, 16 spliced poles, 17 connecting plates, 18 pull ring one, 19 stay cords, 20 pull ring two, 21 otic placodes, 22 polygon prism, 23 polygon groove, 24 ferromagnetic metal layer, 25 electromagnetic adsorption board.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1:
a high-precision oil-electricity hybrid electro-hydraulic servo numerical control bending machine comprises a bending machine body 1, wherein a movable mounting plate 2 is connected to the upper portion of the front side of the bending machine body 1 in a sliding mode, a workbench 3 is arranged on the lower portion of the front side of the bending machine body 1, an upper die 4 and a lower die 5 are correspondingly mounted on the movable mounting plate 2 and the workbench 3 respectively, a cutter for bending is connected to the upper die 4, and a positioning groove matched with the bending cutter is connected to the lower die 5;
the bending machine body 1 is provided with a multiple driving device for driving the upper die 4 to move up and down, the multiple driving device comprises a first oil cylinder 6 and a second oil cylinder 7, the output ends of the first oil cylinder 6 and the second oil cylinder 7 are connected with an output rod through oil pipes, and the output rod is connected with the upper die 4 and used for driving the upper die 4 to move up and down.
The oil pipe is of a Y-shaped structure, and a flow regulating valve and a pressure regulating valve are correspondingly installed on the Y-shaped branch pipe of the oil pipe respectively.
An oil tank is arranged in the bending machine body 1, the oil tank 8 is communicated with an oil pump, the oil pump is connected with a servo motor, and the servo motor drives the oil pump to work, so that piston rods of the first oil cylinder 6 and the second oil cylinder 7 move.
The hydraulic system adopts a German import integrated control system, so that the working stability of the machine tool is improved, and the appearance is attractive and simple.
The electro-hydraulic servo numerical control bending machine adopts a hydraulic convex automatic compensation system, the compensation amount is automatically adjusted by the numerical control system, the operation is convenient and accurate, and the influence of deformation in the bending process on the quality of a workpiece is avoided.
The machine body adopts an integral welding structure, and the integral precision of the machine tool can be ensured. Important parts are analyzed by adopting finite element analysis software, so that the reliability of the machine tool is ensured.
Example 2:
based on the oil-electricity hybrid electro-hydraulic servo numerical control bending machine provided in the embodiment 1, further,
stock stop is installed to 1 rear side of bender organism, includes along the first linear guide 9 that 1 degree of depth direction of bender organism set up, along the second linear guide 10 that length direction set up, first linear guide 9 installs on workstation 3, and on second linear guide 10 slided and locates first linear guide 9, it was equipped with the conflict support that keeps off material platform 11 is used for the work piece to slide on the second linear guide 10.
Further, first linear guide 9, second linear guide 10 constitute by bed plate 12 and slide rail plate 13, and bed plate 12 top is rotated all around and is installed jack-post 14, and jack-post 14 upper end is equipped with roof 15, and the spliced pole 16 is installed in the rotation of roof 15 upper end, and slide rail plate 13 bottom corresponds all around and is equipped with the connecting plate 17 that cup joints with spliced pole 16 adaptation, and bed plate 12, slide rail plate 13 are supported through jack-post 14, spliced pole 16, connecting plate 17 adaptation and are linked to each other.
The bottom of the base plate 12 on the second linear guide rail 10 is provided with a first pull ring 18, pull ropes 19 are wound among the shaft columns 14 of the base plate 12 on the first linear guide rail 9, and the middle parts of the pull ropes 19 are connected with the first pull ring 18 in a penetrating manner; the bottom of the material blocking platform 11 is provided with a second pull ring 20, the second pull ring 20 is also penetrated through a tie pull rope (not shown in the figure), and two ends of the pull rope are respectively wound on the axle columns 14 of the base plate 12 on the second linear guide rail 10.
The base plate 12 is provided with a motor for driving the corresponding shaft posts 14 to rotate, and the shaft posts 14 can be sequentially sleeved and connected in a transmission way through a transmission chain. Namely, the motor works to drive the shaft column to rotate, so as to drive the pull rope to be wound or unwound, and further drive the second linear guide rail base plate (or the material blocking platform) tied and connected with the pull rope to slide along the rail groove.
Furthermore, the connecting column 16 is a stud, and a screw hole adapted to the stud is formed through the connecting plate 17.
And the types of the studs and the screw holes on the first linear guide rail 9 and the second linear guide rail 10 are different. When the motor drive jack post rotates, the stud on the motor drive jack post rotates along with the motor drive jack post, but the stud specification is different, the regulation and control precision of height in the vertical direction in the rotating process is different, two layers of studs are independently regulated and controlled, two progressive precision regulation is completed, the position regulation precision of the multi-shaft baffle plate is effectively improved, and the machining precision is obviously improved.
In order to realize the independent or synchronous rotation of the shaft column 14 and the connecting column 16 (stud), an ear plate 21 is fixedly arranged at the lower part of the connecting column 16, a polygon prism 22 penetrates through the ear plate 21, and a polygon groove 23 which is in adaptive splicing with the polygon prism 22 is formed in the upper surface of the top plate 15.
And, the top of polygon prism 22 is equipped with ferromagnetic metal layer 24, and the spliced pole 16 lateral wall that is located the otic placode 21 top sets firmly electromagnetic adsorption plate 25, and the electricity is switched on and off through electromagnetic adsorption plate 25 and realizes adsorbing connection or the disconnection to polygon prism 22 ferromagnetic metal layer 24.
When the multi-prism vertical axis multi-prism is used, under the normal state, the multi-prism is inserted in the multi-prism groove under the action of gravity, at the moment, the shaft column and the connecting column synchronously rotate, and the adjustment of the horizontal or longitudinal position point can be completed while the adjustment of the height can be carried out; when the electromagnetic adsorption plate is electrified, the magnetic adsorption is generated, the ferromagnetic metal layers at the upper ends of the polygon prisms are adsorbed and connected, the bottom ends of the polygon prisms are pulled away from the polygon grooves, and at the moment, the shaft columns rotate independently to realize horizontal or longitudinal position point adjustment.
The high-precision oil-electricity hybrid electro-hydraulic servo numerical control bending machine disclosed by the invention has the advantages that the driving mechanism and the multi-shaft baffle plate are optimized and improved, the bending precision and efficiency are effectively improved, the integral automation degree is high, the noise is low, the application diversity is good, the comprehensive practicability is remarkably improved, and the high-precision oil-electricity hybrid electro-hydraulic servo numerical control bending machine is worthy of popularization and application
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a servo numerical control bender of high accuracy oil-electricity hybrid electricity liquid which characterized in that: the bending machine comprises a bending machine body, wherein a movable mounting plate is connected to the upper portion of the front side of the bending machine body in a sliding mode, a workbench is arranged on the lower portion of the front side of the bending machine body, an upper die and a lower die are correspondingly mounted on the movable mounting plate and the workbench respectively, a bending tool is connected to the upper die, and a positioning groove matched with the bending tool is connected to the lower die;
the bending machine body is provided with a multiple driving device for driving the upper die to move up and down, the multiple driving device comprises a first oil cylinder and a second oil cylinder, output ends of the first oil cylinder and the second oil cylinder are connected with an output rod through oil pipes, and the output rod is connected with the upper die and used for driving the upper die to move up and down.
2. The high-precision oil-electric hybrid electric-hydraulic servo numerical control bending machine according to claim 1, characterized in that: the oil pipe is of a Y-shaped structure, and a flow regulating valve and a pressure regulating valve are correspondingly installed on the Y-shaped branch pipe of the oil pipe respectively.
3. The high-precision oil-electric hybrid electric-hydraulic servo numerical control bending machine according to claim 1, characterized in that: this internal oil tank that is equipped with of bender, oil tank communicate in the oil pump, and the oil pump links to each other with servo motor to drive the oil pump work through servo motor, make the piston rod action of first hydro-cylinder, second hydro-cylinder.
4. The high-precision oil-electric hybrid electro-hydraulic servo numerical control bending machine according to any one of claims 1-3, characterized in that: stock stop is installed to bender organism rear side, includes the first linear guide that sets up along bender organism degree of depth direction, the second linear guide that sets up along length direction, and first linear guide installs on the workstation, and on second linear guide slided and locates first linear guide, the second linear guide went up to slide and is equipped with the conflict support that the fender material platform was used for the work piece.
5. The high-precision oil-electric hybrid electro-hydraulic servo numerical control bending machine according to claim 4, characterized in that: the first linear guide rail and the second linear guide rail are respectively composed of a base plate and a sliding rail plate, a shaft column is rotatably arranged on the periphery of the top of the base plate, a top plate is arranged at the upper end of the shaft column, a connecting column is rotatably arranged at the upper end of the top plate, a connecting plate which is in adaptive sleeve connection with the connecting column is correspondingly arranged on the periphery of the bottom of the sliding rail plate, and the base plate and the sliding rail plate are connected through the shaft column, the connecting column and the connecting plate in adaptive support;
a first pull ring is arranged at the bottom of the base plate on the second linear guide rail, a pull rope is wound among the base plate shafts on the first linear guide rail, and the middle part of the pull rope penetrates through and is connected with the first pull ring; and a second pull ring is arranged at the bottom of the material blocking platform, a pull rope is also penetrated through the second pull ring and connected with the second pull ring, and two ends of the pull rope are respectively wound on the base plate shaft columns arranged on the second linear guide rail.
6. The high-precision oil-electric hybrid electro-hydraulic servo numerical control bending machine according to claim 5, characterized in that: and a motor for driving the corresponding shaft column to rotate is arranged on the base plate.
7. The high-precision oil-electric hybrid electro-hydraulic servo numerical control bending machine according to claim 5, characterized in that: the spliced pole is the double-screw bolt, runs through on the connecting plate and sets up the screw with double-screw bolt adaptation spiro union.
8. The high-precision oil-electric hybrid electro-hydraulic servo numerical control bending machine according to claim 7, characterized in that: the stud and the screw hole on the first linear guide rail and the second linear guide rail are different in type.
9. The high-precision oil-electric hybrid electro-hydraulic servo numerical control bending machine according to claim 5, characterized in that: the lower part of the connecting column is fixedly provided with an ear plate, a polygon prism penetrates through the ear plate, and the upper surface of the top plate is provided with a polygon groove which is in plug connection with the polygon prism in a matching manner.
10. The high-precision oil-electric hybrid electric-hydraulic servo numerical control bending machine according to claim 9, characterized in that: the top of the polygon prism is provided with a ferromagnetic metal layer, the side wall of the connecting column above the lug plate is fixedly provided with an electromagnetic adsorption plate, and the electromagnetic adsorption plate is powered on and powered off to realize adsorption connection or disconnection of the polygon prism ferromagnetic metal layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111338301.1A CN114101400A (en) | 2021-11-12 | 2021-11-12 | High-precision oil-electricity hybrid electric-hydraulic servo numerical control bending machine |
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| CN202111338301.1A CN114101400A (en) | 2021-11-12 | 2021-11-12 | High-precision oil-electricity hybrid electric-hydraulic servo numerical control bending machine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06344035A (en) * | 1993-06-04 | 1994-12-20 | Yutaka Seiko:Kk | Back gage device of bending machine |
| JP2001113317A (en) * | 1999-10-20 | 2001-04-24 | Amada Eng Center Co Ltd | Press brake |
| JP2006159244A (en) * | 2004-12-07 | 2006-06-22 | Murata Mach Ltd | Back gage of bending machine |
| CN201529709U (en) * | 2009-10-30 | 2010-07-21 | 江苏亚威机床股份有限公司 | Novel six-axis numerical control stock stop used for numerical control plate bender |
| CN211588072U (en) * | 2019-12-27 | 2020-09-29 | 安徽省三信重工机械制造有限公司 | Rear stop device of bending machine and bending machine |
| CN113071130A (en) * | 2021-03-31 | 2021-07-06 | 江苏力威剪折机床有限公司 | High-efficient energy-saving oil-electricity hybrid numerical control bender |
| CN214439179U (en) * | 2020-12-31 | 2021-10-22 | 广西机电职业技术学院 | Z-axis driving mechanism of pipetting equipment |
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2021
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| JPH06344035A (en) * | 1993-06-04 | 1994-12-20 | Yutaka Seiko:Kk | Back gage device of bending machine |
| JP2001113317A (en) * | 1999-10-20 | 2001-04-24 | Amada Eng Center Co Ltd | Press brake |
| JP2006159244A (en) * | 2004-12-07 | 2006-06-22 | Murata Mach Ltd | Back gage of bending machine |
| CN201529709U (en) * | 2009-10-30 | 2010-07-21 | 江苏亚威机床股份有限公司 | Novel six-axis numerical control stock stop used for numerical control plate bender |
| CN211588072U (en) * | 2019-12-27 | 2020-09-29 | 安徽省三信重工机械制造有限公司 | Rear stop device of bending machine and bending machine |
| CN214439179U (en) * | 2020-12-31 | 2021-10-22 | 广西机电职业技术学院 | Z-axis driving mechanism of pipetting equipment |
| CN113071130A (en) * | 2021-03-31 | 2021-07-06 | 江苏力威剪折机床有限公司 | High-efficient energy-saving oil-electricity hybrid numerical control bender |
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