CN105798091A - High-frequency heating and angle opening and closing integrated machine for large-specification angle iron for ultra-high-voltage iron tower - Google Patents
High-frequency heating and angle opening and closing integrated machine for large-specification angle iron for ultra-high-voltage iron tower Download PDFInfo
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- CN105798091A CN105798091A CN201610299545.6A CN201610299545A CN105798091A CN 105798091 A CN105798091 A CN 105798091A CN 201610299545 A CN201610299545 A CN 201610299545A CN 105798091 A CN105798091 A CN 105798091A
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- angle
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- release
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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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
- B21D7/162—Heating equipment
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- General Induction Heating (AREA)
Abstract
The invention discloses a high-frequency heating and angle opening and closing integrated machine for large-specification angle iron for an ultra-high-voltage iron tower. A workpiece containing tool is arranged on the top face of a tool base plate and comprises a fixing frame extending in the front-back direction. An angle opening datum frame or an angle closing datum frame is arranged on one side of the fixing frame. A pressing block is vertically movably connected above the part between the fixing frame and the angle opening datum frame or above the part between the fixing frame and the angle closing datum frame. A bending pressing die is fixed to the bottom face of the pressing block. One side of the bottom of the bending pressing die is matched with a slope A, and the included angle formed by the other side of the bottom of the bending pressing die and the horizontal plane is smaller than 45 degrees, or the other side of the bottom of the bending pressing die is matched with a slope C. It can be known from the structure of the high-frequency heating and angle opening and closing integrated machine that a high-frequency heater and a bending mechanism are combined, after being heated, a workpiece can be immediately bent without transfer, heat losses are avoided, and energy consumption is reduced; and meanwhile workpiece transfer is avoided, the production efficiency is improved, and the hidden danger that an operator is scalded by the workpiece in the workpiece transfer process is avoided as well.
Description
Technical field
The present invention relates to the big specification angle steel of extra-high voltage iron tower and manufacture field, be specifically related to a kind of big specification angle steel high-frequency heating angle of release of extra-high voltage iron tower and close angle all-in-one.
Background technology
Extra-high pressure energy is greatly promoted the conveying capacity of China's electrical network.The data provided according to State Grid Corporation of China show, primary Ioops extra-high voltage direct-current electrical network can send 6,000,000 kilowatts of electricity, be equivalent to 5 to 6 times of existing 500 Kilovolt Direct Current nets, and power transmission distance is also 2 to 3 times of the latter, and therefore efficiency is greatly improved.Additionally, calculate according to State Grid Corporation of China, carry the electricity of same power, if adopting extra high voltage line transmission of electricity can save the land resource of 60% than 500 kilovolts of high-tension lines of employing.
The steel tower of common high-pressure delivery compared by the required steel tower of extra-high voltage conveying, and the material requirements of its structure is higher, is typically all and needs width at 160 ~ 350 millimeters of scopes, thickness at the angle steel of 8 ~ 35 millimeters of scopes.Owing to steel tower is when building, it is necessary to mutually splice.In order to normally splice, angle steel is required for carrying out certain bending, angle of release or closing angle.But for the angle steel of so big specification, common cold press cannot be bent, it is necessary to after workpiece heat to red heat state, then bend.Being all be placed on big specification angle steel workpiece in heating furnace to be heated in current industry, workpiece week is gone to bar folder to red heat state and bends by band workpiece heat again.Owing to needing turnover after heating, the workpiece after heating is exposed to outside, not only results in the thermal loss of workpiece, and all can have the hidden danger being burned for workman.Further, since workpiece itself is all heated, in the process of bending, the region that originally need not bend is likely to and can deform upon, and causes that the inferior rate that workpiece bends is of a relatively high.
Summary of the invention
It is an object of the invention to: overcome the deficiencies in the prior art, the big specification angle steel high-frequency heating angle of release of a kind of extra-high voltage iron tower is provided to close angle all-in-one, by high frequency heating machine and bending mechanism are combined, can bend immediately without turnover after making workpiece heat, avoid thermal loss, reduce energy consumption, eliminate workpiece turnover simultaneously, improve production efficiency, it also avoid the hidden danger that operative employee is scalded by workpiece in workpiece circular flow；By heating coil being arranged to the shape of workpiece bending deformed region, heated parts namely play deformed region, under ensureing the premise of effect of workpiece bending, decrease the area of workpiece heat, it is possible to reduce the energy consumption needed for heated parts；By heating coil being arranged to the shape of workpiece bending deformed region, namely heated parts play deformed region, ensure that not heated region will not deform upon in workpiece bending process, thus ensureing the bending quality of workpiece, and the inferior rate of bending reducing workpiece；By the effect of centralising device, it is possible to workpiece is carried out centering, thus ensure that the bending quality of workpiece；Column is the support column of top board, is also the lead of briquetting, simplifies device structure, improves the utilization rate of column；By the effect of Workpiece placing tool, it is achieved that the accurate angle of release of workpiece and He Jiao；The side, side of benchmark frame is domatic B, and opposite side side is domatic C, such that it is able to make benchmark frame not only can use as angle of release benchmark frame but also can use as closing angle benchmark frame, improves the utilization rate of benchmark frame, reduces the production cost of enterprise；It is connected with base rotation by frock substrate, consequently facilitating workpiece is carrying out angle of release and closing the switching at angle, reduces the labor intensity of operative employee.
The technical solution used in the present invention is:
nullExtra-high voltage iron tower closes angle all-in-one with big specification angle steel high-frequency heating angle of release，Including base，Described base top surface is provided with frock substrate，Described frock substrate top surface is provided with Workpiece placing tool，Described Workpiece placing tool includes the fixed mount extended in front-rear direction，The side of described fixed mount is provided with angle of release benchmark frame or closes angle benchmark frame，Described fixed mount is the domatic A horizontal by 45 degree of inclination angles towards a side end face of angle of release benchmark frame or conjunction angle benchmark frame，Described angle of release benchmark frame is the domatic B horizontal by 45 degree of inclination angles towards the end face of fixed mount，Described domatic B is vertical with domatic A，Described conjunction angle benchmark frame is the domatic C more than 45 degree and less than 90 degree of the inclination angle with horizontal plane towards the end face of fixed mount，Angle between described domatic A and domatic C is obtuse angle，Top between described fixed mount and angle of release benchmark frame or fixed mount and the top closed between the benchmark frame of angle is up and down is connected to briquetting，The bottom surface of described briquetting is fixed with bending pressing mold，Side bottom described bending pressing mold is mated with domatic A，Opposite side and the angle of horizontal plane mate less than 45 degree or with domatic C，Described briquetting provides driving force by hydraulic piston，Described hydraulic piston is fixed on top board，Described top board is fixed by column and base；The left and right sides of described base is respectively symmetrically and is provided with high frequency heating machine, and the shape that the heating coil of described high frequency heating machine is defined is identical with the bending deformed region shape of workpiece.
The further improvement project of the present invention is, described frock substrate horizontally rotates the end face being connected to base by vertical shaft, described vertical shaft is positioned at the underface at fixed mount center, described angle of release benchmark frame and conjunction angle benchmark frame are respectively arranged on the both sides of fixed mount, when frock substrate rotating to fixed mount points to fore-and-aft direction time, bending pressing mold is positioned at the surface of angle of release benchmark frame and the junction of fixed mount, or is positioned at the surface closing angle benchmark frame with the junction of fixed mount.
The present invention further improvement project is, the top of described frock substrate along the parallel bar shaped bar that is fixed with of length direction of fixed mount, described angle of release benchmark frame or close in the groove that angle benchmark is set up in bar shaped bar and fixed mount is formed.
The present invention further improvement project is, the erection of described angle of release benchmark has two, and the distance between adjacent two angle of release benchmark framves is equal to the width of workpiece angle of release bending.
The present invention further improvement project is, described conjunction angle benchmark frame is at least provided with one, and when closing angle benchmark frame and being one, the width closing angle benchmark frame closes the width of angle bending equal to workpiece；When closing angle benchmark frame and being multiple, adjacent two conjunction angle benchmark framves are bonded to each other, and the overall width of multiple conjunction angles benchmark frame closes the width of angle bending equal to workpiece.
The present invention further improvement project is, described angle of release benchmark frame and conjunction angle benchmark frame are same benchmark frame, and a side end face of described benchmark frame is domatic B, and the opposite side end face that benchmark frame is relative with domatic B is domatic C.
The present invention further improvement project is, what described heating coil was defined is shaped as " Qian " character form structure, the width of described heating coil is equal with the width of the angle of release bending of workpiece or conjunction angle bending, the top of heating coil flushes with the workpiece top being placed on Workpiece placing tool, and the bottom of heating coil flushes with bottom the workpiece being placed on Workpiece placing tool.
The present invention further improvement project is, four drift angle places of base are located at by described column；Described column passes briquetting, top board and base is fixed, and described column is the lead of briquetting.
The present invention further improvement project is, the hydraulic cylinder of described hydraulic piston is fixed on the top of top board, and the hydraulic rod end of hydraulic piston extends downwardly from hydraulic cylinder and the top through top board with briquetting is fixed.
The present invention further improvement project is, the heating coil of described high frequency heating machine is fixed on the front end of expansion bracket, and described expansion bracket is flexibly connected with the underframe of high frequency heating machine by leading screw, described expansion bracket pass through leading screw along towards or away from the direction activity of base.
The present invention further improvement project is, the heating coil away from the high frequency heating machine of fixed mount side is heating coil A, described heating coil A towards workpiece end face obliquely, be positioned at below the bending place of workpiece when heating coil A heated parts.
The present invention further improvement project is, the heating coil of high frequency heating machine near fixed mount side is heating coil B, described heating coil B towards workpiece end face obliquely, be positioned at above the bending place of workpiece when described heating coil B heated parts.
The present invention further improvement project is, the top of described high frequency heating machine is provided with centralising device, and described centralising device is light emitters, the light directive workpiece of described light emitters；The light that described light emitters sends is straight line, and the centrage of described straight line and bending pressing mold is in same perpendicular.
The present invention further improvement project is, the length of described bending pressing mold is mated with the angle of release length of workpiece or conjunction angular length degree.
The beneficial effects of the present invention is:
The first, the extra-high voltage iron tower of the present invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, by high frequency heating machine and bending mechanism are combined, can bend immediately without turnover after making workpiece heat, avoid thermal loss, reduce energy consumption, eliminate workpiece turnover simultaneously, improve production efficiency, it also avoid the hidden danger that operative employee is scalded by workpiece in workpiece circular flow.
The second, the extra-high voltage iron tower of the present invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, by heating coil being arranged to the shape of workpiece bending deformed region, namely heated parts play deformed region, under ensureing the premise of effect of workpiece bending, decrease the area of workpiece heat, it is possible to reduce the energy consumption needed for heated parts.
3rd, the extra-high voltage iron tower of the present invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, by heating coil being arranged to the shape of workpiece bending deformed region, namely heated parts play deformed region, ensure that not heated region will not deform upon in workpiece bending process, thus ensureing the bending quality of workpiece, and the inferior rate of bending reducing workpiece.
4th, the extra-high voltage iron tower of the present invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, by the effect of centralising device, it is possible to workpiece is carried out centering, thus ensure that the bending quality of workpiece.
5th, the extra-high voltage iron tower of the present invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, and column is the support column of top board, is also the lead of briquetting, simplifies device structure, improves the utilization rate of column.
6th, the extra-high voltage iron tower of the present invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, by the effect of Workpiece placing tool, it is achieved that the accurate angle of release of workpiece and He Jiao.
7th, the extra-high voltage iron tower of the present invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, the side, side of benchmark frame is domatic B, opposite side side is domatic C, such that it is able to make benchmark frame not only can use as angle of release benchmark frame but also can use as closing angle benchmark frame, improve the utilization rate of benchmark frame, reduce the production cost of enterprise.
8th, the extra-high voltage iron tower of the present invention closes angle all-in-one with big specification angle steel high-frequency heating angle of release, is connected with base rotation by frock substrate, consequently facilitating workpiece is carrying out angle of release and closing the switching at angle, reduces the labor intensity of operative employee.
Accompanying drawing explanation
Fig. 1 is the present configuration schematic side view being positioned at high frequency heating machine front position place, side.
Fig. 2 is present configuration schematic front view.
The master that Fig. 3 is the workpiece angle of release accommodating tool of embodiment 1 looks enlarged diagram.
Fig. 4 is the vertical view enlarged diagram of the workpiece angle of release accommodating tool of embodiment 1.
The master that Fig. 5 is the workpiece conjunction angle accommodating tool of embodiment 1 looks enlarged diagram.
Fig. 6 is the vertical view enlarged diagram of the workpiece conjunction angle accommodating tool of embodiment 1.
Fig. 7 is the vertical view enlarged diagram of the workpiece angle of release conjunction angle accommodating tool of embodiment 2.
Detailed description of the invention
Embodiment 1
nullShown in Fig. 1 ~ Fig. 6，The present invention includes base 1，Described base 1 end face is provided with frock substrate 15，Described frock substrate 15 end face is provided with Workpiece placing tool，Described Workpiece placing tool includes the fixed mount 16 extended in front-rear direction，The side of described fixed mount 16 is provided with angle of release benchmark frame 2 or closes angle benchmark frame 2 '，Described fixed mount 16 is the domatic A horizontal by 45 degree of inclination angles towards a side end face of angle of release benchmark frame 2 or conjunction angle benchmark frame 2 '，Described angle of release benchmark frame 2 is the domatic B18 horizontal by 45 degree of inclination angles towards the end face of fixed mount 16，Described domatic B18 is vertical with domatic A，Described conjunction angle benchmark frame 2 ' is the domatic C19 more than 45 degree and less than 90 degree of the inclination angle with horizontal plane towards the end face of fixed mount 16，Angle between described domatic A and domatic C19 is obtuse angle，Top between described fixed mount 16 and angle of release benchmark frame 2 or fixed mount 16 and the top closed between angle benchmark frame 2 ' is up and down is connected to briquetting 3，The bottom surface of described briquetting 3 is fixed with bending pressing mold 6，Side bottom described bending pressing mold 6 is mated with domatic A，Opposite side and the angle of horizontal plane mate less than 45 degree or with domatic C19，Described briquetting 3 provides driving force by hydraulic piston，Described hydraulic piston is fixed on top board 4，Described top board 4 is fixed with base 1 by column 9；The left and right sides of described base 1 is respectively symmetrically and is provided with high frequency heating machine 7, and the shape that the heating coil of described high frequency heating machine 7 is defined is identical with the bending deformed region shape of workpiece 20.
The top of described frock substrate 15 along the parallel bar shaped bar 17 that is fixed with of length direction of fixed mount 16, described angle of release benchmark frame 2 or close in the groove that bar shaped bar 17 is located at by angle benchmark frame 2 ' and fixed mount 16 is formed.
Described angle of release benchmark frame 2 is provided with two, and the distance between adjacent two angle of release benchmark framves 2 is equal to the width of workpiece 20 angle of release bending.
Described conjunction angle benchmark frame 2 ' is at least provided with one, and when closing angle benchmark frame 2 ' and being one, the width closing angle benchmark frame 2 ' closes the width of angle bending equal to workpiece 20；When closing angle benchmark frame 2 ' for (in the present embodiment, closing angle benchmark frame 2 ' is two) time multiple, adjacent two conjunction angle benchmark framves 2 ' are bonded to each other, and the overall width of multiple conjunction angles benchmark frame 2 ' closes the width of angle bending equal to workpiece 20.
Described angle of release benchmark frame 2 and conjunction angle benchmark frame 2 ' are same benchmark frame (in the present embodiment, benchmark frame is two), and a side end face of described benchmark frame is domatic B18, and the opposite side end face that benchmark frame is relative with domatic B18 is domatic C19.
What described heating coil was defined is shaped as " Qian " character form structure, the width of described heating coil is equal with the width of the angle of release bending of workpiece 20 or conjunction angle bending, the top of heating coil flushes with workpiece 20 top being placed on Workpiece placing tool, and the bottom of heating coil flushes with bottom the workpiece 20 being placed on Workpiece placing tool.
Four drift angle places of base 1 are located at by described column 9；Described column 9 passes briquetting 3, top board 4 and base 1 is fixed, and described column 9 is the lead of briquetting 3.
The hydraulic cylinder 5 of described hydraulic piston is fixed on the top of top board 4, and hydraulic stem 13 end of hydraulic piston extends downwardly from hydraulic cylinder 5 and the top through top board 4 with briquetting 3 is fixed.
The heating coil of described high frequency heating machine 7 is fixed on the front end of expansion bracket 8, and described expansion bracket 8 is flexibly connected with the underframe 10 of high frequency heating machine 7 by leading screw 12, described expansion bracket 8 by leading screw 12 along towards or away from the direction activity of base 1.
Heating coil away from the high frequency heating machine 7 of fixed mount 16 side is heating coil A11, described heating coil A11 towards workpiece end face obliquely, be positioned at below the bending place of workpiece 20 when heating coil A11 heated parts 20.
The heating coil of high frequency heating machine 7 near fixed mount 16 side is heating coil B11 ', described heating coil B11 ' towards workpiece 20 end face obliquely, be positioned at above the bending place of workpiece 20 when described heating coil B11 ' heated parts 20.
The top of described high frequency heating machine 7 is provided with centralising device 14, and described centralising device 14 is light emitters, the light directive workpiece of described light emitters；The light that described light emitters sends is straight line, and the centrage of described straight line and bending pressing mold 6 is in same perpendicular.
The length of described bending pressing mold 6 is mated with the angle of release length of workpiece 20 or conjunction angular length degree.
When workpiece 20 is carried out angle of release by needs time, bending pressing mold 6 is selected to be rule by workpiece 20, determine the angle of release region of workpiece 20 and the center line in angle of release region, the domatic B18 of two benchmark framves is placed towards fixed mount 16, in the region being placed between benchmark frame and fixed mount 16 to be formed workpiece 20, and ensure that the domatic A of workpiece 20 and fixed mount 16 fits；Opening centralising device 14, namely open light emitters, the light that described light emitters sends projects the surface of workpiece 20, and polymer product 20 makes the light projecting workpiece 20 overlap with drawn center line；Regulate two benchmark framves again so that the opposite face of benchmark frame flushes with the angle of release regional edge edge of workpiece 20；Then starting high frequency heating machine 7, leading screw 12 drives heating coil A11 near the bending side of workpiece 20, is then electrified to heating, and the angle of release region of workpiece 20 is heated by heating coil A11 by thermal-radiating mode；After the temperature in the angle of release region of workpiece 20 reaches bending condition, leading screw 12 drives heating coil A11 to return backward；Hydraulic stem 13 drives bending pressing mold 6 to be pressed downward against the angle of release region of workpiece 20, workpiece 20 is positioned at the two end portions in angle of release region and is limited by benchmark frame and fixed mount 16, will not deform upon, the angle of release region of workpiece 20 is not owing to being supported, so outwards turning down under the effect of bending pressing mold 6, until the angle of release region of workpiece 20 and the opposite side laminating bent bottom pressing mold 6；Bending pressing mold 6 is upwards return under the effect of hydraulic stem 13, is taken out by the workpiece 20 after bending, prepares next workpiece 20 and carries out angle of release.
When workpiece 20 is carried out closing angle by needs time, the side selecting bottom is mated with domatic A, the bending pressing mold 6 that opposite side mates with domatic C19, workpiece 20 is rule, determine closing angular zone and closing the center line of angular zone of workpiece 20, the domatic C19 of benchmark frame is placed towards fixed mount 16, in the region being placed on workpiece 20 between benchmark frame and fixed mount 16 to be formed, and ensures that the domatic A of workpiece 20 and fixed mount 16 fits；Opening centralising device 14, namely open light emitters, the light that described light emitters sends projects the surface of workpiece 20, and polymer product 20 makes the light projecting workpiece 20 overlap with drawn center line；Regulate quantity and the position of benchmark frame again so that the outermost two sides of the benchmark frame that two are fitted and connected successively flush with the conjunction angular zone edge of workpiece 20；Then starting high frequency heating machine 7, leading screw 12 drives heating coil B11 ' near the bending side of workpiece 20, is then electrified to heating, and the conjunction angular zone of workpiece 20 is heated by heating coil B11 ' by thermal-radiating mode；After the temperature closing angular zone of workpiece 20 reaches bending condition, leading screw 12 drives heating coil B11 ' to return backward；Hydraulic stem 13 drives bending pressing mold 6 to be pressed downward against the conjunction angular zone of workpiece 20, owing to workpiece 20 is angle steel, angle steel dual-side is mutually perpendicular to, and the domatic A of fixed mount 16 and horizontal plane angle are 45 degree, and the domatic A of workpiece 20 and fixed mount 16 fits, so being unsettled between workpiece 20 and the domatic C19 of benchmark frame, also there is certain distance the junction between bottom and benchmark frame and the fixed mount 16 of workpiece 20；Limited by benchmark frame and fixed mount 16 owing to workpiece 20 is positioned at the part closing angular zone, move down and fold inward under the effect bending pressing mold 6, until the opposite side bottom angular zone and bending pressing mold 6 that closes of workpiece 20 is fitted；And the conjunction angular zone two side portions of workpiece 20 is owing to being not limited, so without deforming upon under the effect of bending pressing mold 6,；When the opposite side laminating closed angular zone with bend bottom pressing mold 6 of workpiece 20 time, bending pressing mold 6 is upwards return under the effect of hydraulic stem 13, is taken out by the workpiece 20 after bending, prepares next one workpiece 20 and carries out angle of release.
Embodiment 2
nullIn conjunction with Fig. 1、Shown in Fig. 2 and Fig. 7，The present invention includes base 1，Described base 1 end face is provided with frock substrate 15，Described frock substrate 15 end face is provided with Workpiece placing tool，Described Workpiece placing tool includes the fixed mount 16 extended in front-rear direction，The side of described fixed mount 16 is provided with angle of release benchmark frame 2 or closes angle benchmark frame 2 '，Described fixed mount 16 is the domatic A horizontal by 45 degree of inclination angles towards a side end face of angle of release benchmark frame 2 or conjunction angle benchmark frame 2 '，Described angle of release benchmark frame 2 is the domatic B18 horizontal by 45 degree of inclination angles towards the end face of fixed mount 16，Described domatic B18 is vertical with domatic A，Described conjunction angle benchmark frame 2 ' is the domatic C19 more than 45 degree and less than 90 degree of the inclination angle with horizontal plane towards the end face of fixed mount 16，Angle between described domatic A and domatic C19 is obtuse angle，Top between described fixed mount 16 and angle of release benchmark frame 2 or fixed mount 16 and the top closed between angle benchmark frame 2 ' is up and down is connected to briquetting 3，The bottom surface of described briquetting 3 is fixed with bending pressing mold 6，Side bottom described bending pressing mold 6 is mated with domatic A，Opposite side and the angle of horizontal plane mate less than 45 degree or with domatic C19，Described briquetting 3 provides driving force by hydraulic piston，Described hydraulic piston is fixed on top board 4，Described top board 4 is fixed with base 1 by column 9；The left and right sides of described base 1 is respectively symmetrically and is provided with high frequency heating machine 7, and the shape that the heating coil of described high frequency heating machine 7 is defined is identical with the bending deformed region shape of workpiece 20.
Described frock substrate 15 horizontally rotates the end face being connected to base 1 by vertical shaft, described vertical shaft is positioned at the underface at fixed mount 16 center, described angle of release benchmark frame 2 and conjunction angle benchmark frame 2 ' are respectively arranged on the both sides of fixed mount 16, when frock substrate 15 turn to fixed mount 16 point to fore-and-aft direction time, bending pressing mold 6 is positioned at the surface of angle of release benchmark frame 2 and the junction of fixed mount 16, or is positioned at the surface closing angle benchmark frame 2 ' with the junction of fixed mount 16.
The top of described frock substrate 15 along the parallel bar shaped bar 17 that is fixed with of length direction of fixed mount 16, described angle of release benchmark frame 2 or close in the groove that bar shaped bar 17 is located at by angle benchmark frame 2 ' and fixed mount 16 is formed.
Described angle of release benchmark frame 2 is provided with two, and the distance between adjacent two angle of release benchmark framves 2 is equal to the width of workpiece 20 angle of release bending.
Described conjunction angle benchmark frame 2 ' is at least provided with one, and when closing angle benchmark frame 2 ' and being one (in the present embodiment, closing angle benchmark frame 2 ' is two), the width closing angle benchmark frame 2 ' closes the width of angle bending equal to workpiece 20；When closing angle benchmark frame 2 ' for time multiple, adjacent two conjunction angle benchmark framves 2 ' are bonded to each other, and the overall width of multiple conjunction angles benchmark frame 2 ' closes the width of angle bending equal to workpiece 20.
Described angle of release benchmark frame 2 and conjunction angle benchmark frame 2 ' are same benchmark frame, one side end face of described benchmark frame is domatic B18, the opposite side end face that benchmark frame is relative with domatic B18 is in domatic C19(the present embodiment, benchmark frame is 4, wherein 2 benchmark are set up in the side of fixed mount 16, and the domatic B18 of benchmark frame is towards fixed mount 16, other 2 benchmark are set up in the opposite side of fixed mount 16, and the domatic C19 of benchmark frame is towards fixed mount 16).
What described heating coil was defined is shaped as " Qian " character form structure, the width of described heating coil is equal with the width of the angle of release bending of workpiece 20 or conjunction angle bending, the top of heating coil flushes with workpiece 20 top being placed on Workpiece placing tool, and the bottom of heating coil flushes with bottom the workpiece 20 being placed on Workpiece placing tool.
Four drift angle places of base 1 are located at by described column 9；Described column 9 passes briquetting 3, top board 4 and base 1 is fixed, and described column 9 is the lead of briquetting 3.
The hydraulic cylinder 5 of described hydraulic piston is fixed on the top of top board 4, and hydraulic stem 13 end of hydraulic piston extends downwardly from hydraulic cylinder 5 and the top through top board 4 with briquetting 3 is fixed.
The heating coil of described high frequency heating machine 7 is fixed on the front end of expansion bracket 8, and described expansion bracket 8 is flexibly connected with the underframe 10 of high frequency heating machine 7 by leading screw 12, described expansion bracket 8 by leading screw 12 along towards or away from the direction activity of base 1.
Heating coil away from the high frequency heating machine 7 of fixed mount 16 side is heating coil A11, described heating coil A11 towards workpiece end face obliquely, be positioned at below the bending place of workpiece 20 when heating coil A11 heated parts 20.
The heating coil of high frequency heating machine 7 near fixed mount 16 side is heating coil B11 ', described heating coil B11 ' towards workpiece 20 end face obliquely, be positioned at above the bending place of workpiece 20 when described heating coil B11 ' heated parts 20.
The top of described high frequency heating machine 7 is provided with centralising device 14, and described centralising device 14 is light emitters, the light directive workpiece of described light emitters；The light that described light emitters sends is straight line, and the centrage of described straight line and bending pressing mold 6 is in same perpendicular.
The length of described bending pressing mold 6 is mated with the angle of release length of workpiece 20 or conjunction angular length degree.
When workpiece 20 is carried out angle of release by needs time, the side selecting bottom is mated with domatic A, the angle of opposite side and the horizontal plane bending pressing mold 6 less than 45 degree, workpiece 20 is rule, determine the angle of release region of workpiece 20 and the center line in angle of release region, workpiece 20 is placed in the domatic B18 region formed between the benchmark frame and fixed mount 16 of fixed mount 16, and ensures that the domatic A of workpiece 20 and fixed mount 16 fits；Open centralising device 14, namely light emitters is opened, the light that described light emitters sends projects the surface of workpiece 20, rotary fixture substrate 15 and polymer product 20 makes the light projecting workpiece 20 overlap with drawn center line, and makes workpiece 20 be positioned at the underface of bending pressing mold 6；Regulate two benchmark framves again so that the opposite face of benchmark frame flushes with the angle of release regional edge edge of workpiece 20；Then starting high frequency heating machine 7, leading screw 12 drives heating coil A11 near the bending side of workpiece 20, is then electrified to heating, and the angle of release region of workpiece 20 is heated by heating coil A11 by thermal-radiating mode；After the temperature in the angle of release region of workpiece 20 reaches bending condition, leading screw 12 drives heating coil A11 to return backward；Hydraulic stem 13 drives bending pressing mold 6 to be pressed downward against the angle of release region of workpiece 20, workpiece 20 is positioned at the two end portions in angle of release region and is limited by benchmark frame and fixed mount 16, will not deform upon, the angle of release region of workpiece 20 is not owing to being supported, so outwards turning down under the effect of bending pressing mold 6, until the angle of release region of workpiece 20 and the opposite side laminating bent bottom pressing mold 6；Bending pressing mold 6 is upwards return under the effect of hydraulic stem 13, is taken out by the workpiece 20 after bending, prepares next workpiece 20 and carries out angle of release.
When workpiece 20 is carried out closing angle by needs time, the side selecting bottom is mated with domatic A, the bending pressing mold 6 that opposite side mates with domatic C19, workpiece 20 is rule, determine closing angular zone and closing the center line of angular zone of workpiece 20, workpiece 20 is placed in the domatic C19 region formed between the benchmark frame and fixed mount 16 of fixed mount 16, and ensures that the domatic A of workpiece 20 and fixed mount 16 fits；Open centralising device 14, namely light emitters is opened, the light that described light emitters sends projects the surface of workpiece 20, rotary fixture substrate 15 and polymer product 20 makes the light projecting workpiece 20 overlap with drawn center line, and makes workpiece 20 be positioned at the underface of bending pressing mold 6；Regulate quantity and the position of benchmark frame again so that the outermost two sides of the benchmark frame that two are fitted and connected successively flush with the conjunction angular zone edge of workpiece 20；Then starting high frequency heating machine 7, leading screw 12 drives heating coil B11 ' near the bending side of workpiece 20, is then electrified to heating, and the conjunction angular zone of workpiece 20 is heated by heating coil B11 ' by thermal-radiating mode；After the temperature closing angular zone of workpiece 20 reaches bending condition, leading screw 12 drives heating coil B11 ' to return backward；Hydraulic stem 13 drives bending pressing mold 6 to be pressed downward against the conjunction angular zone of workpiece 20, owing to workpiece 20 is angle steel, angle steel dual-side is mutually perpendicular to, and the domatic A of fixed mount 16 and horizontal plane angle are 45 degree, and the domatic A of workpiece 20 and fixed mount 16 fits, so being unsettled between workpiece 20 and the domatic C19 of benchmark frame, also there is certain distance the junction between bottom and benchmark frame and the fixed mount 16 of workpiece 20；Limited by benchmark frame and fixed mount 16 owing to workpiece 20 is positioned at the part closing angular zone, move down and fold inward under the effect bending pressing mold 6, until the opposite side bottom angular zone and bending pressing mold 6 that closes of workpiece 20 is fitted；And the conjunction angular zone two side portions of workpiece 20 is owing to being not limited, so without deforming upon under the effect of bending pressing mold 6；When the opposite side laminating closed angular zone with bend bottom pressing mold 6 of workpiece 20 time, bending pressing mold 6 is upwards return under the effect of hydraulic stem 13, is taken out by the workpiece 20 after bending, prepares next one workpiece 20 and carries out angle of release.
Claims (10)
- null1. extra-high voltage iron tower closes angle all-in-one with big specification angle steel high-frequency heating angle of release，It is characterized in that: include base (1)，Described base (1) end face is provided with frock substrate (15)，Described frock substrate (15) end face is provided with Workpiece placing tool，Described Workpiece placing tool includes the fixed mount (16) extended in front-rear direction，The side of described fixed mount (16) is provided with angle of release benchmark frame (2) or closes angle benchmark frame (2 ')，Described fixed mount (16) is the domatic A horizontal by 45 degree of inclination angles towards a side end face of angle of release benchmark frame (2) or conjunction angle benchmark frame (2 ')，Described angle of release benchmark frame (2) is the domatic B(18 horizontal by 45 degree of inclination angles towards the end face of fixed mount (16))，Described domatic B(18) vertical with domatic A，Described conjunction angle benchmark frame (2 ') is the domatic C(19 more than 45 degree and less than 90 degree of the inclination angle with horizontal plane towards the end face of fixed mount (16))，Described domatic A and domatic C(19) between angle be obtuse angle，Top between described fixed mount (16) and angle of release benchmark frame (2) or fixed mount (16) and the top closed between angle benchmark frame (2 ') is up and down is connected to briquetting (3)，The bottom surface of described briquetting (3) is fixed with bending pressing mold (6)，The side of described bending pressing mold (6) bottom is mated with domatic A，Opposite side and the angle of horizontal plane less than 45 degree or with domatic C(19) mate，Described briquetting (3) provides driving force by hydraulic piston，Described hydraulic piston is fixed on top board (4)，Described top board (4) is fixed with base (1) by column (9)；The left and right sides of described base (1) is respectively symmetrically and is provided with high frequency heating machine (7), and the shape that the heating coil of described high frequency heating machine (7) is defined is identical with the bending deformed region shape of workpiece (20).
- 2. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, it is characterized in that: described frock substrate (15) horizontally rotates the end face being connected to base (1) by vertical shaft, described vertical shaft is positioned at the underface at fixed mount (16) center, described angle of release benchmark frame (2) and conjunction angle benchmark frame (2 ') are respectively arranged on the both sides of fixed mount (16), when frock substrate (15) turns to fixed mount (16) sensing fore-and-aft direction time, bending pressing mold (6) is positioned at the surface of angle of release benchmark frame (2) and the junction of fixed mount (16), or it is positioned at the surface closing angle benchmark frame (2 ') with the junction of fixed mount (16).
- 3. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, it is characterized in that: the top of described frock substrate (15) along the parallel bar shaped bar (17) that is fixed with of length direction of fixed mount (16), described angle of release benchmark frame (2) or close in the groove that bar shaped bar (17) is located at angle benchmark frame (2 ') and fixed mount (16) is formed.
- 4. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, it is characterized in that: described angle of release benchmark frame (2) is provided with two, the distance between adjacent two angle of releases benchmark frame (2) is equal to the width of workpiece (20) angle of release bending.
- 5. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, it is characterized in that: described conjunction angle benchmark frame (2 ') is at least provided with one, when closing angle benchmark frame (2 ') and being one, the width closing angle benchmark frame (2 ') closes the width of angle bending equal to workpiece (20)；When closing angle benchmark frame (2 ') for time multiple, adjacent two conjunctions angle benchmark frame (2 ') are bonded to each other, and the overall width of multiple conjunction angles benchmark frame (2 ') closes the width of angle bending equal to workpiece (20).
- 6. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, it is characterized in that: described angle of release benchmark frame (2) and conjunction angle benchmark frame (2 ') are same benchmark frame, one side end face of described benchmark frame is domatic B(18), benchmark frame and domatic B(18) relative opposite side end face is domatic C(19).
- 7. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, it is characterized in that: what described heating coil was defined is shaped as " Qian " character form structure, the width of described heating coil is equal with the width of the angle of release bending of workpiece (20) or conjunction angle bending, the top of heating coil flushes with workpiece (20) top being placed on Workpiece placing tool, and the bottom of heating coil flushes with workpiece (20) bottom being placed on Workpiece placing tool.
- 8. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, it is characterised in that: four drift angle places of base (1) are located at by described column (9)；Described column (9) passes briquetting (3), is fixed with base (1) by top board (4), the lead that described column (9) is briquetting (3).
- 9. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, it is characterized in that: the heating coil of described high frequency heating machine (7) is fixed on the front end of expansion bracket (8), described expansion bracket (8) is flexibly connected with the underframe (10) of high frequency heating machine (7) by leading screw (12), described expansion bracket (8) by leading screw (12) along towards or direction away from base (1) movable.
- 10. extra-high voltage iron tower as claimed in claim 1 closes angle all-in-one with big specification angle steel high-frequency heating angle of release, it is characterized in that: the top of described high frequency heating machine (7) is provided with centralising device (14), described centralising device (14) is light emitters, the light directive workpiece of described light emitters；The light that described light emitters sends is straight line, and the centrage of described straight line and bending pressing mold (6) is in same perpendicular.
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| CN201610299545.6A CN105798091B (en) | 2016-05-09 | 2016-05-09 | Extra-high voltage iron tower closes angle all-in-one with big specification angle steel high-frequency heating angle of release |
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| CN106216514A (en) * | 2016-08-03 | 2016-12-14 | 吴江市金康电力器材有限公司 | A kind of steel tower corner iron hyperbolic processing mold of adjustable-angle |
| CN110538926A (en) * | 2019-09-02 | 2019-12-06 | 徐州市久发工程机械有限责任公司 | Angle opening device for angle steel stamping |
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|---|---|
| CN105798091B (en) | 2017-08-25 |
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Denomination of invention: High frequency heating open angle and angle closing machine for large-size angle steel for UHV iron tower Effective date of registration: 20220509 Granted publication date: 20170825 Pledgee: Zheshang Bank Co.,Ltd. Huai'an branch Pledgor: JIANGSU FLIGHT ELECTRIC EQUIPMENT MANUFACTURE CO.,LTD. Registration number: Y2022980005176 |
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