CN104493034B - The radial asymmetrical blanking device that a kind of liquefied natural gas drives - Google Patents
The radial asymmetrical blanking device that a kind of liquefied natural gas drives Download PDFInfo
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- CN104493034B CN104493034B CN201410606096.6A CN201410606096A CN104493034B CN 104493034 B CN104493034 B CN 104493034B CN 201410606096 A CN201410606096 A CN 201410606096A CN 104493034 B CN104493034 B CN 104493034B
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Abstract
The radial asymmetrical blanking device that a kind of liquefied natural gas drives, comprise main machine body and the valve actuating mechanism be mated and feeding clip mechanism, cutting agency forms by along the radially-arranged four identical mechanisms that forge of cover of main machine body, the drive of high-pressure gas blanking tup motion relying on liquefied natural gas burning to produce thus to the radial offset loading force of bars and tubes material one, the tup that four covers forge mechanism respectively in turn hammering bars and tubes material make bars and tubes material generation fatigue fracture, namely blanking process is completed, blanking is carried out in the expanding gas promotion blanking tup motion produced when utilizing liquefied natural gas to burn, pollute little, the method that the present invention utilizes liquefied natural gas combustion explosion to expand on the basis of low stress fatigue blanking method is to the precise blanking driving tup to realize metal bar materials in the tube, there is the high advantage with saving material of production efficiency.
Description
Technical field
The invention belongs to material processing machine technical field, be specifically related to the radial asymmetrical blanking device that a kind of liquefied natural gas drives.
Background technology
Metal bar materials in the tube are the most basic a kind of blank form used in industrial production, its cutting stock problems are also the first steps manufactured, traditional is mostly adopt the machines such as lathe, band saw, heat-cutting machine, clicker press machine to carry out blanking, but all there is the problems such as cross section quality difference, waste material and production efficiency are low with these cutting agency blankings.Also be in the low stress fatigue blanking method in laboratory research stage at present, that first on bars and tubes material outer wall, prefabricate goes out ring-type V-shaped groove, then bars and tubes material one end is clamped, again to the circumferential reversed bending load of the cantilever end applying high frequency of bars and tubes material, make bars and tubes material, at V-shaped groove place, fatigue fracture occur, usual this technique can produce the blank of high-quality section, and the faster cross section quality of the higher blanking velocity of load frequency is better, but this technique is all generally at bars and tubes material circumferentially multiple tup, bars and tubes material is forged in turn to produce circumferential reversed bending load by tup, the power of ordinary circumstance lower ram drives tup again by motor driving cam or carrys out Direct driver tup to produce by hydraulic-pneumatic.Although can obtain by this method of motor driving cam, high but to forge frequency set noise large and fragile, and adopt the mode of hydraulic-pneumatic Direct driver tup, usually be difficult to reach higher and forge frequency, also just limit the raising of blanking speed and cross section quality.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide the radial asymmetrical blanking device that a kind of liquefied natural gas drives, the method basis of low stress fatigue blanking method utilizing liquefied natural gas combustion explosion expand, to the precise blanking driving tup to realize metal bar materials in the tube, has the high advantage with saving material of production efficiency.
To achieve these goals, the technical scheme that the present invention takes is:
The radial asymmetrical blanking device that a kind of liquefied natural gas drives, comprise main machine body and the valve actuating mechanism be mated and feeding clip mechanism, wherein main machine body comprises the Master cylinder body 1 be installed on by two cover plates in frame 18, Master cylinder body 1 be circumferentially evenly equipped with four covers identical be made up of cylinder barrel 4, spring 3 and tup 2 forge mechanism, often cover forges mechanism and is fixed on Master cylinder body 1 by cylinder cap 7, cylinder cap 7 is equipped with corresponding valve actuating mechanism
Valve actuating mechanism comprises the intake valve be made up of inlet valve 6, air inlet spring 8 and the exhaust valve be made up of venting plug 13, exhaust spring 14, wherein inlet valve 6 and venting plug 13 are all installed on guide plate 9, and match with the edge cam 12 driven by servomotor 11, igniter 5, air inlet pipe joint a and exhaust fitting b be also equipped with cylinder cap 7 simultaneously;
Feeding clip mechanism comprises the upper material folding folder 15 for clamping bars and tubes material 16, lower material folding folder 17 and hydraulic oil inlet/outlet pipe joint c, wherein descending material folding to press from both sides 17 is fixed in frame 18, upper material folding folder 15 is by the top of spring supporting in lower material folding folder 17, the position of simultaneously going up material folding folder 15 is constrain by four wallboards be connected, make it can only move at vertical direction, the top of four wallboards is connected with the top board 19 of hydraulic oil inlet/outlet pipe joint c, top board 19 and on the seal cavity added between feed collet 15 be used for store hydraulic oil, whole material folding structure is fixed in frame 18, the workspace forging mechanism is stretched in the termination of bars and tubes material 16, bars and tubes material 16 there is prefabricated ring-type V-shaped groove,
Described air inlet pipe joint a is connected with the escape pipe of outside natural gas with the mixed high-voltage source of the gas of air; Described exhaust fitting b is directly connected with outside atmosphere; Described hydraulic oil inlet/outlet pipe joint c is connected with external high pressure oil sources.
The technology for blanking of described blanking device, comprises the following steps:
During blanking, first bars and tubes material 16 is put in the middle of upper material folding folder 15 and lower material folding folder 17, pass into hydraulic oil by hydraulic oil inlet/outlet pipe joint c again bars and tubes material 16 is stepped up, then controlling servomotor 11 drives edge cam 12 to rotate 90 ° under current state, now edge cam 12 promotes inlet valve 6 and moves downward, intake valve is opened, in cylinder barrel 4, the mist of a certain amount of natural gas and air is passed into by air inlet pipe joint a, and then control end face cam 12 rotates 90 °, make intake valve and exhaust valve keep closed condition simultaneously, being ignited by gas by igniter 5 afterwards makes gas blast formula burning, the expanding gas produced by burning promote tup 2 downwards high-speed motion to bars and tubes material 16 1 instantaneous forge effect, after having burnt, control end face cam 12 rotates 90 ° again, open venting plug 13 waste gas after burning is discharged from exhaust fitting b, in four cylinder barrels 4, pass into mist so in turn and light, expand by gas combustion and promote tup 2 and forge bars and tubes material in turn and make it that fatigue fracture occur.
The present invention is that blanking is carried out in the expanding gas promotion blanking tup motion produced when utilizing liquefied natural gas to burn, and blanking speed is high, and its energy is clean clean natural gas, and blanking device structure is simple, pollutes little.This blanking device can realize the object of nearly clean blanking, and can be used for the blanking of multiple bars and tubes material material, blanking cross section quality is high, and save material, production efficiency is high.
Accompanying drawing explanation
Fig. 1 is front section view of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the B-B sectional view of Fig. 1.
Fig. 4 is the G place partial enlarged drawing of Fig. 1.
Fig. 5 is the expanded view of edge cam 12 along bus.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the radial asymmetrical blanking device that a kind of liquefied natural gas drives, comprise main machine body and the valve actuating mechanism be mated and feeding clip mechanism, wherein main machine body comprises the Master cylinder body 1 be installed on by two cover plates in frame 18, Master cylinder body 1 be circumferentially evenly equipped with four covers identical be made up of cylinder barrel 4, spring 3 and tup 2 forge mechanism, often cover forges mechanism and is fixed on Master cylinder body 1 by cylinder cap 7, and cylinder cap 7 is equipped with corresponding valve actuating mechanism;
Valve actuating mechanism comprises the intake valve be made up of inlet valve 6, air inlet spring 8 and the exhaust valve be made up of venting plug 13, exhaust spring 14, wherein inlet valve 6 and venting plug 13 are all installed on the guide plate 9 that is bolted, and match with the edge cam 12 driven by servomotor 11, igniter 5, air inlet pipe joint a and exhaust fitting b be also equipped with cylinder cap 7 simultaneously;
Feeding clip mechanism comprises the upper material folding folder 15 for clamping bars and tubes material 16, lower material folding folder 17 and hydraulic oil inlet/outlet pipe joint c, wherein descending material folding to press from both sides 17 is secured by bolts in frame 18, upper material folding folder 15 is by the top of spring supporting in lower material folding folder 17, the position of simultaneously going up material folding folder 15 is constrain by four wallboards be connected by bolt, make it can only move at vertical direction, the top of four wallboards is connected with the top board 19 of hydraulic oil inlet/outlet pipe joint c by bolt, top board 19 and on the seal cavity added between feed collet 15 be used for store hydraulic oil, whole material folding structure is secured by bolts in frame 18, the workspace forging mechanism is stretched in the termination of bars and tubes material 16, bars and tubes material 16 there is prefabricated ring-type V-shaped groove,
Described air inlet pipe joint a is connected with the escape pipe of outside natural gas with the mixed high-voltage source of the gas of air; Described exhaust fitting b is directly connected with outside atmosphere; Described hydraulic oil inlet/outlet pipe joint c is connected with external high pressure oil sources.
The technology for blanking of described blanking device, comprises the following steps:
First bars and tubes material 16 is put in the middle of upper material folding folder 15 and lower material folding folder 17 during blanking, pass into hydraulic oil by hydraulic oil inlet/outlet pipe joint c again bars and tubes material 16 is stepped up, then controlling servomotor 11 drives edge cam 12 to rotate 90 ° under current state, now edge cam 12 promotes inlet valve 6 and moves downward, intake valve is opened, in cylinder barrel 4, the mist of a certain amount of natural gas and air is passed into by air inlet pipe joint a, and then control end face cam 12 rotates 90 °, make intake valve and exhaust valve keep closed condition simultaneously, being ignited by gas by igniter 5 afterwards makes gas blast formula burning, the expanding gas produced by burning promote tup 2 downwards high-speed motion to bars and tubes material 16 1 instantaneous forge effect, after having burnt, control end face cam 12 rotates 90 ° again, open venting plug 13 waste gas after burning is discharged from exhaust fitting b, in four cylinder barrels 4, pass into mist so in turn and light, expand by gas combustion and promote tup 2 and forge bars and tubes material in turn and make it that fatigue fracture occur.
Claims (2)
1. the radial asymmetrical blanking device of a liquefied natural gas driving, comprise main machine body and the valve actuating mechanism be mated and feeding clip mechanism, it is characterized in that: main machine body comprises the Master cylinder body (1) be installed on by two cover plates in frame (18), Master cylinder body (1) circumferentially uniform four covers identical be made up of cylinder barrel (4), spring (3) and tup (2) forge mechanism, often cover forges mechanism and is fixed on Master cylinder body (1) by cylinder cap (7), (7) are equipped with corresponding valve actuating mechanism to cylinder cap
Valve actuating mechanism comprises the intake valve be made up of inlet valve (6), air inlet spring (8) and the exhaust valve be made up of venting plug (13), exhaust spring (14), wherein inlet valve (6) and venting plug (13) are all installed on guide plate (9), and match with the edge cam (12) driven by servomotor (11), igniter (5), air inlet pipe joint (a) and exhaust fitting (b) be also equipped with cylinder cap (7) simultaneously;
Feeding clip mechanism comprises upper material folding folder (15) for clamping bars and tubes material (16), lower material folding folder (17) and hydraulic oil inlet/outlet pipe joint (c), wherein descending material folding to press from both sides (17) is fixed in frame (18), upper material folding folder (15) presss from both sides the top of (17) in lower material folding by spring supporting, the position of simultaneously going up material folding folder (15) is constrain by four wallboards be connected, make it can only move at vertical direction, the top of four wallboards is connected with the top board (19) of hydraulic oil inlet/outlet pipe joint (c), seal cavity between top board (19) and upper material folding folder (15) is used for storing hydraulic oil, whole feeding clip mechanism is fixed in frame (18), the workspace forging mechanism is stretched in the termination of bars and tubes material (16), bars and tubes material (16) there is prefabricated ring-type V-shaped groove,
Described air inlet pipe joint (a) is connected with the escape pipe of outside natural gas with the mixed high-voltage source of the gas of air; Described exhaust fitting (b) is directly connected with outside atmosphere; Described hydraulic oil inlet/outlet pipe joint (c) is connected with external high pressure oil sources.
2. the technology for blanking of blanking device according to claim 1, is characterized in that, comprise the following steps:
First bars and tubes material (16) is put in the middle of upper material folding folder (15) and lower material folding folder (17) during blanking, pass into hydraulic oil by hydraulic oil inlet/outlet pipe joint (c) again bars and tubes material (16) is clamped, then controlling servomotor (11) drives edge cam (12) to rotate 90 ° under current state, now edge cam (12) promotion inlet valve (6) moves downward, intake valve is opened, in cylinder barrel (4), the mist of a certain amount of natural gas and air is passed into by air inlet pipe joint (a), and then control end face cam (12) rotates 90 °, make intake valve and exhaust valve keep closed condition simultaneously, being ignited by gas by igniter (5) afterwards makes gas blast formula burning, the expanding gas produced by burning promote tup (2) downwards high-speed motion to bars and tubes material (16) instantaneous forge effect, after having burnt, control end face cam (12) rotates 90 ° again, open venting plug (13) waste gas after burning is discharged from exhaust fitting (b), in four cylinder barrels (4), pass into mist so in turn and light, expand by gas combustion and promote tup (2) and forge bars and tubes material in turn and make it that fatigue fracture occur.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410606096.6A CN104493034B (en) | 2014-10-31 | 2014-10-31 | The radial asymmetrical blanking device that a kind of liquefied natural gas drives |
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| CN201410606096.6A CN104493034B (en) | 2014-10-31 | 2014-10-31 | The radial asymmetrical blanking device that a kind of liquefied natural gas drives |
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| CN104493034A CN104493034A (en) | 2015-04-08 |
| CN104493034B true CN104493034B (en) | 2016-02-24 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105057532B (en) * | 2015-08-24 | 2017-01-18 | 西安交通大学 | High pressure common rail type gasoline controllable internal combustion drive and steel belt return stroke mode counter-blow forging hammer |
| CN110014072B (en) * | 2019-04-18 | 2020-03-24 | 中国石油大学(华东) | Efficient and precise low-stress blanking method for radial breaking |
| CN110539036B (en) * | 2019-09-12 | 2020-07-07 | 西安科技大学 | Cam high-speed impact type metal bar pipe material low-stress impact rotary bending cracking blanking device |
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| DE2520227A1 (en) * | 1975-05-07 | 1976-11-18 | Kh Awiazionnij I | High speed pressure forming machine - using explosive energy to move symmetrically placed rams to dies |
| SU1144753A1 (en) * | 1983-04-08 | 1985-03-15 | Центральный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Черной Металлургии Им.И.П.Бардина | Tool for radial forging |
| CN101058109A (en) * | 2007-06-05 | 2007-10-24 | 西安交通大学 | Bars and tubes material unsymmetrical radial welding punched high performance precision blanking method |
| CN101058110A (en) * | 2007-06-05 | 2007-10-24 | 西安交通大学 | Unsymmetrical radial welding punched high performance precision blanking machine |
| CN103286249A (en) * | 2013-06-13 | 2013-09-11 | 中国石油大学(华东) | Variable-speed circumferential low-stress bending fatigue crack precise blanking machine and blanking method thereof |
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2014
- 2014-10-31 CN CN201410606096.6A patent/CN104493034B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2520227A1 (en) * | 1975-05-07 | 1976-11-18 | Kh Awiazionnij I | High speed pressure forming machine - using explosive energy to move symmetrically placed rams to dies |
| SU1144753A1 (en) * | 1983-04-08 | 1985-03-15 | Центральный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Черной Металлургии Им.И.П.Бардина | Tool for radial forging |
| CN101058109A (en) * | 2007-06-05 | 2007-10-24 | 西安交通大学 | Bars and tubes material unsymmetrical radial welding punched high performance precision blanking method |
| CN101058110A (en) * | 2007-06-05 | 2007-10-24 | 西安交通大学 | Unsymmetrical radial welding punched high performance precision blanking machine |
| CN103286249A (en) * | 2013-06-13 | 2013-09-11 | 中国石油大学(华东) | Variable-speed circumferential low-stress bending fatigue crack precise blanking machine and blanking method thereof |
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| 一种新型旋转锻打精密下料机的研制;唐勇等;《锻压装备与制造技术》;20101231(第06期);第14-17页 * |
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