CN103769503B - Nickel-chromium alloy furnace wire bending process for performing stress-relieving thermal treatment - Google Patents
Nickel-chromium alloy furnace wire bending process for performing stress-relieving thermal treatment Download PDFInfo
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- CN103769503B CN103769503B CN201410077341.9A CN201410077341A CN103769503B CN 103769503 B CN103769503 B CN 103769503B CN 201410077341 A CN201410077341 A CN 201410077341A CN 103769503 B CN103769503 B CN 103769503B
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- 238000005452 bending Methods 0.000 title claims abstract description 367
- 238000000034 method Methods 0.000 title claims abstract description 25
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 title abstract 2
- 238000007669 thermal treatment Methods 0.000 title abstract 2
- 238000006073 displacement reaction Methods 0.000 claims abstract description 70
- 238000004804 winding Methods 0.000 claims abstract description 70
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910001120 nichrome Inorganic materials 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 241001442589 Convoluta Species 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention discloses a nickel-chromium alloy furnace wire bending process for performing stress-relieving thermal treatment. The furnace wire winding displacement of a heating furnace is rectangular winding displacement formed by linearly arranging furnace wires of the linear heating furnace in the longitudinal direction. In the process, a bending device is used. The bending device comprises a bracket, wherein a front horizontal guide rail and a back horizontal guide rail are arranged respectively one after the other on the right side of the bracket; the middle of the right side of the bracket is provided with a bracket clamping device which is positioned between the front horizontal guide rail and the back horizontal guide rail; the right portion of the back horizontal guide rail is provided with a first bending device; the left portion of the back horizontal guide rail is provided with a third bending device; the right portion of the front horizontal guide rail is provided with a second bending device; the left portion of the front horizontal guide rail is provided with a fourth bending device. The bending device is used for forming four U-shaped bent portions in sequence from left to right on the furnace wire winding displacement of the heating furnace.
Description
Technical field
The application relates to the making of heating-furnace silk, is specially one and carries out destressing heat treated nichrome material stove silk bending process.
Background technology
Heating furnace has a wide range of applications in the industry, such as heating steel billet, heat treatment of workpieces etc.In order to increase the heating uniformity of heating furnace, heating-furnace silk is often in a bent form.
Bending for heating-furnace silk, often adopts stamping forming mode in the prior art.This molding mode efficiently can realize bending machining rapidly, and machining accuracy is high, and cost is lower, has extensive use in the prior art.But, this mode of heating easily produces significantly a large amount of inhomogeneous deformations on the longitudinal direction of heating-furnace silk, cause the cross-sectional area of heating-furnace silk on the longitudinal direction of stove silk, have larger variation, this makes heating uniformity in heating process be difficult to control, and, easily in the process used, produce uneven stress to concentrate, thus cause the stability in use of heating furnace, security greatly reduces, and shortens the service life of heating furnace.
Also have in the prior art and use bending to roll the scheme bent workpiece.But, this scheme often adopts curved bending one by one to workpiece, because the longitudinal size of workpiece is comparatively large, in the complete rotation process of workpiece, this processing often needs larger processing space, and, because process is adopt mode curved one by one, process is longer, and working (machining) efficiency is lower, cause processing cost to rise thus, and be difficult to the form accuracy ensureing processing.
Summary of the invention
One of the present invention carries out destressing heat treated nichrome material stove silk bending process, and it is intended to solve the defects such as machining deformation in prior art is uneven and process is long, form accuracy is low.
The technical solution used in the present invention is as follows:
One carries out destressing heat treated nichrome material stove silk bending process, described stove silk is heating-furnace silk, and it is processed with the form of heating-furnace silk winding displacement, described heating-furnace silk winding displacement is by the rectilinear heating-furnace silk rectangle winding displacement that formed of linear array in the vertical direction, described technique uses a kind of bending apparatus, described bending apparatus comprises support, horizontal guide rail and rear horizontal guide rail before the right side of support one in front and one in back position are respectively arranged with, the centre position, right side of support is provided with stent grasping device, stent grasping device is between front horizontal guide rail and rear horizontal guide rail, the left part of rear horizontal guide rail is provided with the first bending apparatus, the right part of rear horizontal guide rail is provided with the 3rd bending apparatus, the left part of front horizontal guide rail is provided with the second bending apparatus, the right part of front horizontal guide rail is provided with the 4th bending apparatus, described first bending apparatus, second bending apparatus, 3rd bending apparatus, 4th bending apparatus is respectively used to from left to right form four U-bend pars convolutas successively on heating-furnace silk winding displacement.Described first bending apparatus comprises the first clamping device and the first bending hydraulic cylinder, the front end of the first clamping device is for clamping described heating-furnace silk winding displacement, the rear end of the first clamping device is provided with the first clamping device slide block, first bending hydraulic cylinder is positioned at the left side of the first clamping device, the front end of the first bending hydraulic cylinder is provided with first pivotally and bendingly rolls, the rear end of the first bending hydraulic cylinder is provided with the first bending hydraulic cylinder slide block, described first clamping device slide block and the first bending hydraulic cylinder slide block are all arranged in rear horizontal guide rail and also can slide wherein, described first clamping device slide block is on the right side of the first bending hydraulic cylinder slide block, rear horizontal guide rail is fixedly installed the first limited block in the left side of the described first bending hydraulic cylinder slide block, between described first limited block and the first bending hydraulic cylinder slide block, and first bending be provided with to contact between hydraulic cylinder slide block with the first clamping device slide block there is sensor, signal can be sent when contacting with each other and occurring, first clamping device slide block is connected with the first clamping device horizontal driver power, to drive the first clamping device slide block and the first clamping device along rear horizontal guide rail horizontal slip, first bending hydraulic cylinder slide block is connected with the first bending hydraulic cylinder horizontal driver power, to drive the first bending hydraulic cylinder slide block and the first bending hydraulic cylinder along rear horizontal guide rail horizontal slip.
Described second bending apparatus comprises the second clamping device and the second bending hydraulic cylinder, the rear end of the second clamping device is for clamping described heating-furnace silk winding displacement, the front end of the second clamping device is provided with the second clamping device slide block, second bending hydraulic cylinder is positioned at the left side of the second clamping device, the rear end of the second bending hydraulic cylinder is provided with second pivotally and bendingly rolls, the front end of the second bending hydraulic cylinder is provided with the second bending hydraulic cylinder slide block, described second clamping device slide block and the second bending hydraulic cylinder slide block are all arranged in front horizontal guide rail and also can slide wherein, described second clamping device slide block is on the right side of the second bending hydraulic cylinder slide block, front horizontal guide rail is fixedly installed the second limited block in the left side of the described second bending hydraulic cylinder slide block, between described second limited block and the second bending hydraulic cylinder slide block, and second bending be provided with to contact between hydraulic cylinder slide block with the second clamping device slide block there is sensor, signal can be sent when contacting with each other and occurring, second clamping device slide block is connected with the second clamping device horizontal driver power, to drive the second clamping device slide block and the second clamping device along front horizontal guide rail horizontal slip, second bending hydraulic cylinder slide block is connected with the second bending hydraulic cylinder horizontal driver power, to drive the second bending hydraulic cylinder slide block and the second bending hydraulic cylinder along front horizontal guide rail horizontal slip.
Described 3rd bending apparatus comprises the 3rd clamping device and the 3rd bending hydraulic cylinder, the front end of the 3rd clamping device is for clamping described heating-furnace silk winding displacement, the rear end of the 3rd clamping device is provided with the 3rd clamping device slide block, 3rd bending hydraulic cylinder is positioned at the left side of the 3rd clamping device, the front end of the 3rd bending hydraulic cylinder is provided with the 3rd pivotally and bendingly rolls, the rear end of the 3rd bending hydraulic cylinder is provided with the 3rd bending hydraulic cylinder slide block, described 3rd clamping device slide block and the 3rd bending hydraulic cylinder slide block are all arranged in rear horizontal guide rail and also can slide wherein, described 3rd clamping device slide block is on the right side of the 3rd bending hydraulic cylinder slide block, rear horizontal guide rail is fixedly installed the 3rd limited block in the left side of the described 3rd bending hydraulic cylinder slide block, between described 3rd limited block and the 3rd bending hydraulic cylinder slide block, and the 3rd bending be provided with to contact between hydraulic cylinder slide block with the 3rd clamping device slide block there is sensor, signal can be sent when contacting with each other and occurring, 3rd clamping device slide block is connected with the 3rd clamping device horizontal driver power, to drive the 3rd clamping device slide block and the 3rd clamping device along rear horizontal guide rail horizontal slip, 3rd bending hydraulic cylinder slide block is connected with the 3rd bending hydraulic cylinder horizontal driver power, to drive the 3rd bending hydraulic cylinder slide block and the 3rd bending hydraulic cylinder along rear horizontal guide rail horizontal slip.
Described 4th bending apparatus comprises the 4th clamping device and the 4th bending hydraulic cylinder, the rear end of the 4th clamping device is for clamping described heating-furnace silk winding displacement, the front end of the 4th clamping device is provided with the 4th clamping device slide block, 4th bending hydraulic cylinder is positioned at the left side of the 4th clamping device, the rear end of the 4th bending hydraulic cylinder is provided with the 4th pivotally and bendingly rolls, the front end of the 4th bending hydraulic cylinder is provided with the 4th bending hydraulic cylinder slide block, described 4th clamping device slide block and the 4th bending hydraulic cylinder slide block are all arranged in front horizontal guide rail and also can slide wherein, described 4th clamping device slide block is on the right side of the 4th bending hydraulic cylinder slide block, front horizontal guide rail is provided with the 4th limited block in the left side of the described 4th bending hydraulic cylinder slide block, 4th limited block is for can be elevated limited block, it can make front horizontal guide rail unimpeded after declining, front horizontal guide rail can be blocked after rising, between described 4th limited block and the 4th bending hydraulic cylinder slide block and the 4th bending be provided with contact between hydraulic cylinder slide block with the 4th clamping device slide block there is sensor, signal can be sent when contacting with each other generation, 4th clamping device slide block is connected with the 4th clamping device horizontal driver power, to drive the 4th clamping device slide block and the 4th clamping device along front horizontal guide rail horizontal slip, 4th bending hydraulic cylinder slide block is connected with the 4th bending hydraulic cylinder horizontal driver power, to drive the 4th bending hydraulic cylinder slide block and the 4th bending hydraulic cylinder along front horizontal guide rail horizontal slip.
Described heating-furnace silk material is the alloy containing nickel and chromium.
The step of described bending process is as follows:
A. stent grasping device, the first clamping device, the second clamping device, the 3rd clamping device and the 4th clamping device is used to be clamped by described winding displacement, wherein, stent grasping device clamps the high order end of described winding displacement, the low order end of winding displacement described in 4th gripping means grips, the clamped position of the first clamping device, the second clamping device and the 3rd clamping device between stent grasping device and the 4th clamping device, and by described winding displacement in the lateral direction even partition be four winding displacement sections; Further, first bending to roll, second bendingly to roll, the 3rd bending rolling bendingly with the 4th roll the central part laying respectively at corresponding winding displacement section;
B. the first clamping device horizontal driver drives the first clamping device, second clamping device horizontal driver drives the second clamping device, 3rd clamping device horizontal driver drives the 3rd clamping device, 4th clamping device horizontal driver drives the 4th clamping device, second bending hydraulic cylinder horizontal driver drives the second bending hydraulic cylinder, 3rd bending hydraulic cylinder horizontal driver drives the 3rd bending hydraulic cylinder, 4th bending hydraulic cylinder horizontal driver drives the 4th bending hydraulic cylinder respectively with First Speed horizontal movement left, first bending hydraulic cylinder horizontal driver drives the first bending hydraulic cylinder with second speed level to left movement, and second speed is the half of First Speed, meanwhile, the first bending Hydraulic Cylinder first is bending rolls thus corresponding winding displacement section is bent,
C. when the first bending hydraulic cylinder slide block contact with the first limited block, the first clamping device slide block and first bends hydraulic cylinder shoe contact, and first bends hydraulic cylinder and complete respective row line segment is bent to U-shaped; Now, described first limited block and first bends between hydraulic cylinder slide block and the first bending contact generation sensor set between hydraulic cylinder slide block and the first clamping device slide block sends signal, the first clamping device horizontal driver, the first bending hydraulic cylinder horizontal driver and the first bending hydraulic cylinder stopping action; And now, the second bending hydraulic cylinder horizontal driver drives the second bending hydraulic cylinder with described second speed level to left movement, the second bending Hydraulic Cylinder second is bending to be rolled thus corresponding winding displacement section is bent;
D. when the second bending hydraulic cylinder slide block contact with the second limited block, the second clamping device slide block and second bends hydraulic cylinder shoe contact, and second bends hydraulic cylinder and complete respective row line segment is bent to U-shaped; Now, described second limited block and second bends between hydraulic cylinder slide block and the second bending contact generation sensor set between hydraulic cylinder slide block and the second clamping device slide block sends signal, the second clamping device horizontal driver, the second bending hydraulic cylinder horizontal driver and the second bending hydraulic cylinder stopping action; And now, the 3rd bending hydraulic cylinder horizontal driver drives the 3rd bending hydraulic cylinder with described second speed level to left movement, the 3rd bending Hydraulic Cylinder the 3rd is bending to be rolled thus corresponding winding displacement section is bent;
E. when the 3rd bending hydraulic cylinder slide block contact with the 3rd limited block, the 3rd clamping device slide block and the 3rd bends hydraulic cylinder shoe contact, and the 3rd bends hydraulic cylinder and complete respective row line segment is bent to U-shaped; Now, described 3rd limited block and the 3rd bends between hydraulic cylinder slide block and the 3rd bending contact generation sensor set between hydraulic cylinder slide block and the 3rd clamping device slide block sends signal, the 3rd clamping device horizontal driver, the 3rd bending hydraulic cylinder horizontal driver and the 3rd bending hydraulic cylinder stopping action; And now, the 4th limited block rises, the 4th bending hydraulic cylinder horizontal driver drives the 4th bending hydraulic cylinder with described second speed level to left movement, and the 4th bending Hydraulic Cylinder the 4th is bending to be rolled thus corresponding winding displacement section is bent;
F. when the 4th bending hydraulic cylinder slide block contact with the 4th limited block, the 4th clamping device slide block and the 4th bends hydraulic cylinder shoe contact, and the 4th bends hydraulic cylinder and complete respective row line segment is bent to U-shaped; Now, described 4th limited block and the 4th bends between hydraulic cylinder slide block and the 4th bending contact generation sensor set between hydraulic cylinder slide block and the 4th clamping device slide block sends signal, the 4th clamping device horizontal driver, the 4th bending hydraulic cylinder horizontal driver and the 4th bending hydraulic cylinder stopping action; And now, described winding displacement unclamps by stent grasping device, the first clamping device, the second clamping device, the 3rd clamping device and the 4th clamping device;
G. the winding displacement machined is taken away, then the 4th limited block declines, and described driving mechanism action, makes the first clamping device, the second clamping device, the 3rd clamping device, the 4th clamping device, first bending rolls, second bendingly to roll, the 3rd bendingly rolls bending the rolling with the 4th and to correspond respectively in step a separately and the relative position of winding displacement and locating.
H. the winding displacement machined is put into heat-treatment furnace and carry out destressing heat treatment;
Due in the present invention, adopt while in longitudinal direction feeding, while utilize bending rolling work to carry out bending, therefore, to which obviate in prior art on the longitudinal direction of stove silk process the problem that bending position produces larger linear deformation, and, in process, it adopts unique form processing, feeding on one side, bending rolling is carried out action and moves on parallel longitudinal direction direction in vertical longitudinal direction, thus keep bending and roll the relative position relation with institute's crooked position, and stove silk is longitudinally sent under the moving integrally of other clamping devices, therefore, ensure that stove silk entirety keeps longitudinal direction and bent one by one, whole BENDING PROCESS is continuous, without the need to repeating, clamping and dismounting are carried out to stove silk, make whole process processing space little, process is short and ensure that the form accuracy of processing.And the present invention adopts stove silk thread to be arranged as winding displacement unified bending machining afterwards, more improves the uniformity of working (machining) efficiency and shape.Stove silk after being processed by the present invention, form accuracy is high, and the uniformity of shape is good, and processing after shape meet heating uniformity while, also there is installation flat part, easy to use and install.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of bending apparatus of the present invention.
Fig. 2 is the schematic top plan view of bending apparatus after having bent stove silk in Fig. 1 of the present invention.
Fig. 3 is the schematic top plan view of the stove filament shape after having bent.
Fig. 4 is the front-view schematic diagram of the shape before stove silk does not carry out bending.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-4, the present invention is described in detail.
One carries out destressing heat treated nichrome material stove silk bending process, described stove silk is heating-furnace silk, and it is processed with the form of heating-furnace silk winding displacement 10, described heating-furnace silk winding displacement 10 is for by rectilinear heating-furnace silk linear array and the rectangle winding displacement formed in the vertical direction, described technique uses a kind of bending apparatus, described bending apparatus comprises support 9, horizontal guide rail 2 and rear horizontal guide rail 1 before the right side of support 9 one in front and one in back position are respectively arranged with, the centre position, right side of support 9 is provided with stent grasping device 7, stent grasping device 7 is between front horizontal guide rail 2 and rear horizontal guide rail 1, the left part of rear horizontal guide rail 1 is provided with the first bending apparatus, the right part of rear horizontal guide rail 1 is provided with the 3rd bending apparatus, the left part of front horizontal guide rail 2 is provided with the second bending apparatus, the right part of front horizontal guide rail 2 is provided with the 4th bending apparatus, described first bending apparatus, second bending apparatus, 3rd bending apparatus, 4th bending apparatus is respectively used to from left to right form four U-bend pars convolutas successively on heating-furnace silk winding displacement.
Described first bending apparatus comprises the first clamping device 60 and the first bending hydraulic cylinder 62, the front end of the first clamping device 60 is for clamping described heating-furnace silk winding displacement 10, the rear end of the first clamping device 60 is provided with the first clamping device slide block 61, first bending hydraulic cylinder 62 is positioned at the left side of the first clamping device 60, the front end of the first bending hydraulic cylinder 62 is provided with first pivotally and bendingly rolls 64, the rear end of the first bending hydraulic cylinder 62 is provided with the first bending hydraulic cylinder slide block 63, described first clamping device slide block 61 and the first bending hydraulic cylinder slide block 63 are all arranged in rear horizontal guide rail 1 and also can slide wherein, described first clamping device slide block 61 is on the right side of the first bending hydraulic cylinder slide block 63, rear horizontal guide rail 1 is fixedly installed the first limited block 65 in the left side of the described first bending hydraulic cylinder slide block 63, between described first limited block 65 and the first bending hydraulic cylinder slide block 63, and first bending be provided with to contact between hydraulic cylinder slide block 63 with the first clamping device slide block 61 there is sensor, signal can be sent when contacting with each other and occurring, first clamping device slide block 61 is connected with the first clamping device horizontal driver 610 power, to drive the first clamping device slide block 61 and the first clamping device 60 along the horizontal slip of rear horizontal guide rail 1, first bending hydraulic cylinder slide block 63 is connected with the first bending hydraulic cylinder horizontal driver 630 power, to drive the first bending hydraulic cylinder slide block 63 and the first bending hydraulic cylinder 62 along the horizontal slip of rear horizontal guide rail 1.
Described second bending apparatus comprises the second clamping device 50 and the second bending hydraulic cylinder 52, the rear end of the second clamping device 50 is for clamping described heating-furnace silk winding displacement 10, the front end of the second clamping device 50 is provided with the second clamping device slide block 51, second bending hydraulic cylinder 52 is positioned at the left side of the second clamping device 50, the rear end of the second bending hydraulic cylinder 52 is provided with second pivotally and bendingly rolls 54, the front end of the second bending hydraulic cylinder 52 is provided with the second bending hydraulic cylinder slide block 53, described second clamping device slide block 51 and the second bending hydraulic cylinder slide block 53 are all arranged in front horizontal guide rail 2 and also can slide wherein, described second clamping device slide block 51 is on the right side of the second bending hydraulic cylinder slide block 53, front horizontal guide rail 2 is fixedly installed the second limited block 55 in the left side of the described second bending hydraulic cylinder slide block 53, between described second limited block 55 and the second bending hydraulic cylinder slide block 53, and second bending be provided with to contact between hydraulic cylinder slide block 53 with the second clamping device slide block 51 there is sensor, signal can be sent when contacting with each other and occurring, second clamping device slide block 51 is connected with the second clamping device horizontal driver 510 power, to drive the second clamping device slide block 51 and the second clamping device 50 along the horizontal slip of front horizontal guide rail 2, second bending hydraulic cylinder slide block 53 is connected with the second bending hydraulic cylinder horizontal driver 530 power, to drive the second bending hydraulic cylinder slide block 53 and the second bending hydraulic cylinder 52 along the horizontal slip of front horizontal guide rail 2.
Described 3rd bending apparatus comprises the 3rd clamping device 40 and the 3rd bending hydraulic cylinder 42, the front end of the 3rd clamping device 40 is for clamping described heating-furnace silk winding displacement 10, the rear end of the 3rd clamping device 40 is provided with the 3rd clamping device slide block 41, 3rd bending hydraulic cylinder 42 is positioned at the left side of the 3rd clamping device 40, the front end of the 3rd bending hydraulic cylinder 42 is provided with the 3rd pivotally and bendingly rolls 44, the rear end of the 3rd bending hydraulic cylinder 42 is provided with the 3rd bending hydraulic cylinder slide block 43, described 3rd clamping device slide block 41 and the 3rd bending hydraulic cylinder slide block 43 are all arranged in rear horizontal guide rail 1 and also can slide wherein, described 3rd clamping device slide block 41 is on the right side of the 3rd bending hydraulic cylinder slide block 43, rear horizontal guide rail 1 is fixedly installed the 3rd limited block 45 in the left side of the described 3rd bending hydraulic cylinder slide block 43, between described 3rd limited block 45 and the 3rd bending hydraulic cylinder slide block 43, and the 3rd bending be provided with to contact between hydraulic cylinder slide block 43 with the 3rd clamping device slide block 41 there is sensor, signal can be sent when contacting with each other and occurring, 3rd clamping device slide block 41 is connected with the 3rd clamping device horizontal driver 410 power, to drive the 3rd clamping device slide block 41 and the 3rd clamping device 40 along the horizontal slip of rear horizontal guide rail 1,3rd bending hydraulic cylinder slide block 43 is connected with the 3rd bending hydraulic cylinder horizontal driver 430 power, to drive the 3rd bending hydraulic cylinder slide block 43 and the 3rd bending hydraulic cylinder 42 along the horizontal slip of rear horizontal guide rail 1.
Described 4th bending apparatus comprises the 4th clamping device 30 and the 4th bending hydraulic cylinder 32, the rear end of the 4th clamping device 30 is for clamping described heating-furnace silk winding displacement 10, the front end of the 4th clamping device 30 is provided with the 4th clamping device slide block 31, 4th bending hydraulic cylinder 32 is positioned at the left side of the 4th clamping device 30, the rear end of the 4th bending hydraulic cylinder 32 is provided with the 4th pivotally and bendingly rolls 34, the front end of the 4th bending hydraulic cylinder 32 is provided with the 4th bending hydraulic cylinder slide block 33, described 4th clamping device slide block 31 and the 4th bending hydraulic cylinder slide block 33 are all arranged in front horizontal guide rail 2 and also can slide wherein, described 4th clamping device slide block 31 is on the right side of the 4th bending hydraulic cylinder slide block 33, front horizontal guide rail 2 is provided with the 4th limited block 35 in the left side of the described 4th bending hydraulic cylinder slide block 33, 4th limited block 35 is for can be elevated limited block, it can make front horizontal guide rail 2 unimpeded after declining, front horizontal guide rail 2 can be blocked after rising, between described 4th limited block 35 and the 4th bending hydraulic cylinder slide block 33 and the 4th bending be provided with contact between hydraulic cylinder slide block 33 with the 4th clamping device slide block 31 there is sensor, signal can be sent when contacting with each other generation, 4th clamping device slide block 31 is connected with the 4th clamping device horizontal driver 310 power, to drive the 4th clamping device slide block 31 and the 4th clamping device 30 along the horizontal slip of front horizontal guide rail 2,4th bending hydraulic cylinder slide block 33 is connected with the 4th bending hydraulic cylinder horizontal driver 330 power, to drive the 4th bending hydraulic cylinder slide block 33 and the 4th bending hydraulic cylinder 32 along the horizontal slip of front horizontal guide rail 2.
Described heating-furnace silk material is the alloy containing nickel and chromium.
The step of described bending process is as follows:
A. stent grasping device 7, first clamping device 60, second clamping device 50, the 3rd clamping device 40 and the 4th clamping device 30 is used to be clamped by described winding displacement, wherein, stent grasping device 7 clamps the high order end of described winding displacement, 4th clamping device 30 clamps the low order end of described winding displacement, the clamped position of the first clamping device 60, second clamping device 50 and the 3rd clamping device 40 between stent grasping device 7 and the 4th clamping device 30, and by described winding displacement in the lateral direction even partition be four winding displacement sections; Further, first bending roll 64, second and bendingly roll the 54, the 3rd and bendingly roll 44 and the 4th and bendingly roll the central part that 34 lay respectively at corresponding winding displacement section;
B. the first clamping device horizontal driver 610 drives the first clamping device 60, second clamping device horizontal driver 510 drives the second clamping device 50, 3rd clamping device horizontal driver 410 drives the 3rd clamping device 40, 4th clamping device horizontal driver 310 drives the 4th clamping device 30, second bending hydraulic cylinder horizontal driver 530 drives the second bending hydraulic cylinder 52, 3rd bending hydraulic cylinder horizontal driver 430 drives the 3rd bending hydraulic cylinder 42, 4th bending hydraulic cylinder horizontal driver 330 drives the 4th bending hydraulic cylinder 32 respectively with First Speed horizontal movement left, first bending hydraulic cylinder horizontal driver 630 drives the first bending hydraulic cylinder 62 with second speed level to left movement, and second speed is the half of First Speed, meanwhile, the first bending hydraulic cylinder 62 promotes first and bendingly rolls 64 thus corresponding winding displacement section is bent,
C. when the first bending hydraulic cylinder slide block 63 contacts with the first limited block 65, the first clamping device slide block 61 and first bends hydraulic cylinder slide block 63 and contacts, and first bends hydraulic cylinder 62 and complete respective row line segment is bent to U-shaped; Now, described first limited block 65 and first bends between hydraulic cylinder slide block 63 and the first bending contact generation sensor set between hydraulic cylinder slide block 63 and the first clamping device slide block 61 sends signal, and the bending hydraulic cylinder horizontal driver of the first clamping device horizontal driver 610, first 630 and the first bending hydraulic cylinder 62 stop action; And now, the second bending hydraulic cylinder horizontal driver 530 drives the second bending hydraulic cylinder 52 with described second speed level to left movement, the second bending hydraulic cylinder 52 promotes second and bendingly rolls 54 thus corresponding winding displacement section is bent;
D. when the second bending hydraulic cylinder slide block 53 contacts with the second limited block 55, the second clamping device slide block 51 and second bends hydraulic cylinder slide block 53 and contacts, and second bends hydraulic cylinder 52 and complete respective row line segment is bent to U-shaped; Now, described second limited block 55 and second bends between hydraulic cylinder slide block 53 and the second bending contact generation sensor set between hydraulic cylinder slide block 53 and the second clamping device slide block 51 sends signal, and the bending hydraulic cylinder horizontal driver of the second clamping device horizontal driver 510, second 530 and the second bending hydraulic cylinder 52 stop action; And now, the 3rd bending hydraulic cylinder horizontal driver 430 drives the 3rd bending hydraulic cylinder 42 with described second speed level to left movement, the 3rd bending hydraulic cylinder 42 promotes the 3rd and bendingly rolls 44 thus corresponding winding displacement section is bent;
E. when the 3rd bending hydraulic cylinder slide block 43 contacts with the 3rd limited block 45, the 3rd clamping device slide block 41 and the 3rd bends hydraulic cylinder slide block 43 and contacts, and the 3rd bends hydraulic cylinder 42 and complete respective row line segment is bent to U-shaped; Now, described 3rd limited block 45 and the 3rd bends between hydraulic cylinder slide block 43 and the 3rd bending contact generation sensor set between hydraulic cylinder slide block 43 and the 3rd clamping device slide block 41 sends signal, and the 3rd clamping device horizontal driver 410, the 3rd bending hydraulic cylinder horizontal driver 430 and the 3rd bending hydraulic cylinder 42 stop action; And now, 4th limited block 35 rises, 4th bending hydraulic cylinder horizontal driver 330 drives the 4th bending hydraulic cylinder 32 with described second speed level to left movement, and the 4th bending hydraulic cylinder 32 promotes the 4th and bendingly rolls 34 thus corresponding winding displacement section is bent;
F. when the 4th bending hydraulic cylinder slide block 33 contacts with the 4th limited block 35, the 4th clamping device slide block 31 and the 4th bends hydraulic cylinder slide block 33 and contacts, and the 4th bends hydraulic cylinder 32 and complete respective row line segment is bent to U-shaped; Now, described 4th limited block 35 and the 4th bends between hydraulic cylinder slide block 33 and the 4th bending contact generation sensor set between hydraulic cylinder slide block 33 and the 4th clamping device slide block 31 sends signal, and the 4th clamping device horizontal driver 310, the 4th bending hydraulic cylinder horizontal driver 330 and the 4th bending hydraulic cylinder 32 stop action; And now, described winding displacement unclamps by stent grasping device 7, first clamping device 60, second clamping device 50, the 3rd clamping device 40 and the 4th clamping device 30;
G. the winding displacement machined is taken away; then the 4th limited block 35 declines; and described driving mechanism action, such that the first clamping device 60, second clamping device 50, the 3rd clamping device 40, the 4th clamping device 30, first are bending to be rolled 64, second and bendingly roll the 54, the 3rd and bendingly roll 44 and the 4th and bendingly roll 34 and to correspond respectively in step a separately and the relative position of winding displacement and locating;
H. the winding displacement machined is put into heat-treatment furnace and carry out destressing heat treatment.
Claims (1)
1. one kind is carried out destressing heat treated nichrome material stove silk bending process, described stove silk is heating-furnace silk, and it is processed with the form of heating-furnace silk winding displacement (10), described heating-furnace silk winding displacement (10) is for by rectilinear heating-furnace silk linear array and the rectangle winding displacement formed in the vertical direction, described technique uses a kind of bending apparatus, described bending apparatus comprises support (9), the right side of support (9) one in front and one in back position are respectively arranged with front horizontal guide rail (2) and rear horizontal guide rail (1), the centre position, right side of support (9) is provided with stent grasping device (7), stent grasping device (7) is positioned between front horizontal guide rail (2) and rear horizontal guide rail (1), the left part of rear horizontal guide rail (1) is provided with the first bending apparatus, the right part of rear horizontal guide rail (1) is provided with the 3rd bending apparatus, the left part of front horizontal guide rail (2) is provided with the second bending apparatus, the right part of front horizontal guide rail (2) is provided with the 4th bending apparatus, described first bending apparatus, second bending apparatus, 3rd bending apparatus, 4th bending apparatus is respectively used to from left to right form four U-bend pars convolutas successively on heating-furnace silk winding displacement,
Described first bending apparatus comprises the first clamping device (60) and the first bending hydraulic cylinder (62), the front end of the first clamping device (60) is for clamping described heating-furnace silk winding displacement (10), the rear end of the first clamping device (60) is provided with the first clamping device slide block (61), first bending hydraulic cylinder (62) is positioned at the left side of the first clamping device (60), the front end of the first bending hydraulic cylinder (62) is provided with first pivotally and bendingly rolls (64), the rear end of the first bending hydraulic cylinder (62) is provided with the first bending hydraulic cylinder slide block (63), described first clamping device slide block (61) and the first bending hydraulic cylinder slide block (63) are all arranged in rear horizontal guide rail (1) and also can slide wherein, described first clamping device slide block (61) is on the right side of the first bending hydraulic cylinder slide block (63), rear horizontal guide rail (1) is fixedly installed the first limited block (65) in the left side of the described first bending hydraulic cylinder slide block (63), between described first limited block (65) and the first bending hydraulic cylinder slide block (63), and first bending be provided with to contact between hydraulic cylinder slide block (63) with the first clamping device slide block (61) there is sensor, signal can be sent when contacting with each other and occurring, first clamping device slide block (61) is connected with the first clamping device horizontal driver (610) power, to drive the first clamping device slide block (61) and the first clamping device (60) along rear horizontal guide rail (1) horizontal slip, first bending hydraulic cylinder slide block (63) is connected with the first bending hydraulic cylinder horizontal driver (630) power, to drive the first bending hydraulic cylinder slide block (63) and the first bending hydraulic cylinder (62) along rear horizontal guide rail (1) horizontal slip,
Described second bending apparatus comprises the second clamping device (50) and the second bending hydraulic cylinder (52), the rear end of the second clamping device (50) is for clamping described heating-furnace silk winding displacement (10), the front end of the second clamping device (50) is provided with the second clamping device slide block (51), second bending hydraulic cylinder (52) is positioned at the left side of the second clamping device (50), the rear end of the second bending hydraulic cylinder (52) is provided with second pivotally and bendingly rolls (54), the front end of the second bending hydraulic cylinder (52) is provided with the second bending hydraulic cylinder slide block (53), described second clamping device slide block (51) and the second bending hydraulic cylinder slide block (53) are all arranged in front horizontal guide rail (2) and also can slide wherein, described second clamping device slide block (51) is on the right side of the second bending hydraulic cylinder slide block (53), front horizontal guide rail (2) is fixedly installed the second limited block (55) in the left side of the described second bending hydraulic cylinder slide block (53), between described second limited block (55) and the second bending hydraulic cylinder slide block (53), and second bending be provided with to contact between hydraulic cylinder slide block (53) with the second clamping device slide block (51) there is sensor, signal can be sent when contacting with each other and occurring, second clamping device slide block (51) is connected with the second clamping device horizontal driver (510) power, to drive the second clamping device slide block (51) and the second clamping device (50) along front horizontal guide rail (2) horizontal slip, second bending hydraulic cylinder slide block (53) is connected with the second bending hydraulic cylinder horizontal driver (530) power, to drive the second bending hydraulic cylinder slide block (53) and the second bending hydraulic cylinder (52) along front horizontal guide rail (2) horizontal slip,
Described 3rd bending apparatus comprises the 3rd clamping device (40) and the 3rd bending hydraulic cylinder (42), the front end of the 3rd clamping device (40) is for clamping described heating-furnace silk winding displacement (10), the rear end of the 3rd clamping device (40) is provided with the 3rd clamping device slide block (41), 3rd bending hydraulic cylinder (42) is positioned at the left side of the 3rd clamping device (40), the front end of the 3rd bending hydraulic cylinder (42) is provided with the 3rd pivotally and bendingly rolls (44), the rear end of the 3rd bending hydraulic cylinder (42) is provided with the 3rd bending hydraulic cylinder slide block (43), described 3rd clamping device slide block (41) and the 3rd bending hydraulic cylinder slide block (43) are all arranged in rear horizontal guide rail (1) and also can slide wherein, described 3rd clamping device slide block (41) is on the right side of the 3rd bending hydraulic cylinder slide block (43), rear horizontal guide rail (1) is fixedly installed the 3rd limited block (45) in the left side of the described 3rd bending hydraulic cylinder slide block (43), between described 3rd limited block (45) and the 3rd bending hydraulic cylinder slide block (43), and the 3rd bending be provided with to contact between hydraulic cylinder slide block (43) with the 3rd clamping device slide block (41) there is sensor, signal can be sent when contacting with each other and occurring, 3rd clamping device slide block (41) is connected with the 3rd clamping device horizontal driver (410) power, to drive the 3rd clamping device slide block (41) and the 3rd clamping device (40) along rear horizontal guide rail (1) horizontal slip, 3rd bending hydraulic cylinder slide block (43) is connected with the 3rd bending hydraulic cylinder horizontal driver (430) power, to drive the 3rd bending hydraulic cylinder slide block (43) and the 3rd bending hydraulic cylinder (42) along rear horizontal guide rail (1) horizontal slip,
Described 4th bending apparatus comprises the 4th clamping device (30) and the 4th bending hydraulic cylinder (32), the rear end of the 4th clamping device (30) is for clamping described heating-furnace silk winding displacement (10), the front end of the 4th clamping device (30) is provided with the 4th clamping device slide block (31), 4th bending hydraulic cylinder (32) is positioned at the left side of the 4th clamping device (30), the rear end of the 4th bending hydraulic cylinder (32) is provided with the 4th pivotally and bendingly rolls (34), the front end of the 4th bending hydraulic cylinder (32) is provided with the 4th bending hydraulic cylinder slide block (33), described 4th clamping device slide block (31) and the 4th bending hydraulic cylinder slide block (33) are all arranged in front horizontal guide rail (2) and also can slide wherein, described 4th clamping device slide block (31) is on the right side of the 4th bending hydraulic cylinder slide block (33), front horizontal guide rail (2) is provided with the 4th limited block (35) in the left side of the described 4th bending hydraulic cylinder slide block (33), 4th limited block (35) is for can be elevated limited block, it can make front horizontal guide rail (2) unimpeded after declining, front horizontal guide rail (2) can be blocked after rising, between described 4th limited block (35) and the 4th bending hydraulic cylinder slide block (33) and the 4th bending be provided with to contact between hydraulic cylinder slide block (33) with the 4th clamping device slide block (31) there is sensor, signal can be sent when contacting with each other generation, 4th clamping device slide block (31) is connected with the 4th clamping device horizontal driver (310) power, to drive the 4th clamping device slide block (31) and the 4th clamping device (30) along front horizontal guide rail (2) horizontal slip, 4th bending hydraulic cylinder slide block (33) is connected with the 4th bending hydraulic cylinder horizontal driver (330) power, to drive the 4th bending hydraulic cylinder slide block (33) and the 4th bending hydraulic cylinder (32) along front horizontal guide rail (2) horizontal slip,
Described heating-furnace silk material is the alloy containing nickel and chromium;
The step of described bending process is as follows:
A. stent grasping device (7) is used, first clamping device (60), second clamping device (50), described winding displacement clamps by the 3rd clamping device (40) and the 4th clamping device (30), wherein, stent grasping device (7) clamps the high order end of described winding displacement, 4th clamping device (30) clamps the low order end of described winding displacement, first clamping device (60), the clamped position of the second clamping device (50) and the 3rd clamping device (40) is positioned between stent grasping device (7) and the 4th clamping device (30), and by described winding displacement in the lateral direction even partition be four winding displacement sections, further, first bending roll that (64), second bendingly roll (54), the 3rd bending roll (44) and the 4th bend and roll the central part that (34) lay respectively at corresponding winding displacement section,
B. the first clamping device horizontal driver (610) drives the first clamping device (60), second clamping device horizontal driver (510) drives the second clamping device (50), 3rd clamping device horizontal driver (410) drives the 3rd clamping device (40), 4th clamping device horizontal driver (310) drives the 4th clamping device (30), second bending hydraulic cylinder horizontal driver (530) drives the second bending hydraulic cylinder (52), 3rd bending hydraulic cylinder horizontal driver (430) drives the 3rd bending hydraulic cylinder (42), 4th bending hydraulic cylinder horizontal driver (330) drives the 4th bending hydraulic cylinder (32) respectively with First Speed horizontal movement left, first bending hydraulic cylinder horizontal driver (630) drives the first bending hydraulic cylinder (62) with second speed level to left movement, and second speed is the half of First Speed, meanwhile, the first bending hydraulic cylinder (62) promotion first is bending rolls (64) thus corresponding winding displacement section is bent,
C. when the first bending hydraulic cylinder slide block (63) contacts with the first limited block (65), first clamping device slide block (61) and the first bending hydraulic cylinder slide block (63) contacts, and first bends hydraulic cylinder (62) and complete respective row line segment is bent to U-shaped; Now, described first limited block (65) and first bends between hydraulic cylinder slide block (63) and the first bending contact generation sensor set between hydraulic cylinder slide block (63) and the first clamping device slide block (61) sends signal, the first clamping device horizontal driver (610), the first bending hydraulic cylinder horizontal driver (630) and the first bending hydraulic cylinder (62) stopping action; And now, the second bending hydraulic cylinder horizontal driver (530) drives the second bending hydraulic cylinder (52) with described second speed level to left movement, the second bending hydraulic cylinder (52) promotion second is bending rolls (54) thus corresponding winding displacement section is bent;
D. when the second bending hydraulic cylinder slide block (53) contacts with the second limited block (55), second clamping device slide block (51) and the second bending hydraulic cylinder slide block (53) contacts, and second bends hydraulic cylinder (52) and complete respective row line segment is bent to U-shaped; Now, described second limited block (55) and second bends between hydraulic cylinder slide block (53) and the second bending contact generation sensor set between hydraulic cylinder slide block (53) and the second clamping device slide block (51) sends signal, the second clamping device horizontal driver (510), the second bending hydraulic cylinder horizontal driver (530) and the second bending hydraulic cylinder (52) stopping action; And now, the 3rd bending hydraulic cylinder horizontal driver (430) drives the 3rd bending hydraulic cylinder (42) with described second speed level to left movement, the 3rd bending hydraulic cylinder (42) promotion the 3rd is bending rolls (44) thus corresponding winding displacement section is bent;
E. when the 3rd bending hydraulic cylinder slide block (43) contacts with the 3rd limited block (45), 3rd clamping device slide block (41) and the 3rd bending hydraulic cylinder slide block (43) contacts, and the 3rd bends hydraulic cylinder (42) and complete respective row line segment is bent to U-shaped; Now, described 3rd limited block (45) and the 3rd bends between hydraulic cylinder slide block (43) and the 3rd bending contact generation sensor set between hydraulic cylinder slide block (43) and the 3rd clamping device slide block (41) sends signal, the 3rd clamping device horizontal driver (410), the 3rd bending hydraulic cylinder horizontal driver (430) and the 3rd bending hydraulic cylinder (42) stopping action; And now, 4th limited block (35) rises, 4th bending hydraulic cylinder horizontal driver (330) drives the 4th bending hydraulic cylinder (32) with described second speed level to left movement, and the 4th bending hydraulic cylinder (32) promotion the 4th is bending rolls (34) thus corresponding winding displacement section is bent;
F. when the 4th bending hydraulic cylinder slide block (33) contacts with the 4th limited block (35), 4th clamping device slide block (31) and the 4th bending hydraulic cylinder slide block (33) contacts, and the 4th bends hydraulic cylinder (32) and complete respective row line segment is bent to U-shaped; Now, described 4th limited block (35) and the 4th bends between hydraulic cylinder slide block (33) and the 4th bending contact generation sensor set between hydraulic cylinder slide block (33) and the 4th clamping device slide block (31) sends signal, the 4th clamping device horizontal driver (310), the 4th bending hydraulic cylinder horizontal driver (330) and the 4th bending hydraulic cylinder (32) stopping action; And now, described winding displacement unclamps by stent grasping device (7), the first clamping device (60), the second clamping device (50), the 3rd clamping device (40) and the 4th clamping device (30);
G. the winding displacement machined is taken away; then the 4th limited block (35) declines; and described driving mechanism action, makes the first clamping device (60), the second clamping device (50), the 3rd clamping device (40), the 4th clamping device (30), first bending rolls (64), (44) are bendingly rolled and the 4th bending roll (34) correspond respectively to the relative position of respective in step a and winding displacement and locate in the second bending roll (54), the 3rd;
H. the winding displacement machined is put into heat-treatment furnace and carry out destressing heat treatment.
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| CN102554068A (en) * | 2010-12-21 | 2012-07-11 | 建科机械（天津）股份有限公司 | Inversion type bending and molding equipment of pneumatic side rib of truss |
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| JPS61168909A (en) * | 1985-01-22 | 1986-07-30 | 株式会社村田製作所 | Method and apparatus for molding zigzag lead |
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