CN102780333A - Generator stator coil linear hot press - Google Patents
Generator stator coil linear hot press Download PDFInfo
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- CN102780333A CN102780333A CN2012102406631A CN201210240663A CN102780333A CN 102780333 A CN102780333 A CN 102780333A CN 2012102406631 A CN2012102406631 A CN 2012102406631A CN 201210240663 A CN201210240663 A CN 201210240663A CN 102780333 A CN102780333 A CN 102780333A
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Abstract
The invention discloses a generator stator coil linear hot press, which consists of a mechanical part, a hydraulic part and an electric control part, wherein a hydraulic control system comprises an oil tank, an oil pump, a main oil inlet pipeline and a main oil return pipeline; and the main oil inlet pipeline is led out from the oil tank, and respectively supplies oil to a horizontal cylinder and a vertical cylinder through an electro-hydraulic proportional overflow type three-way reducing valve after being pressurized by the oil pump. The oil supply pressure and the oil supply time can be subjected to program control by the electro-hydraulic proportional overflow type three-way reducing valve and the electric control part, so that the pressing time and the pressing pressure can be controlled according to a process curve or a mathematical model, and parameters of the pressing time and pressing pressure can be timely adjusted according to the feedback pressure or temperature; and moreover, the working efficiency is high, and a processed coil is high in quality.
Description
Technical field
The invention belongs to technical field of generators, especially a kind of electricity generator stator coil straight line hot press.
Background technology
At present, the high-tension coil in the large and medium generator adopts hard winding, need suppress insulating barrier with heat pressing process.The linear stator loop length of high-rating generator can reach more than ten meter; The professional of the processing technology of this electricity generator stator coil had relatively high expectations; Need to control automatically parameters such as hot pressing temperature, pressure and time; Even need operate, and dissimilar generator according to certain process curve or Mathematical Modeling.
At present; The function singleness of big-and-middle-sized both at home and abroad electricity generator stator coil straight line hot press; It can only carry out the processing of the electricity generator stator coil of a certain particular type, has certain processing limitation, can not control parameters such as hot pressing temperature, pressure and time as required automatically; Be difficult to satisfy variety classes processing and new technology requirement, need further improvement.
Summary of the invention
The object of the present invention is to provide a kind of electricity generator stator coil straight line hot press, it is simple in structure, can suppress the linear stator coil of generator according to process curve or Mathematical Modeling, and high efficiency, and the mass of coil of processing is good.
Technical scheme of the present invention is: a kind of electricity generator stator coil straight line hot press; Constitute by mechanical part, hydraulic part and automatically controlled part; Described mechanical part comprises one or more unit unit; Each unit unit all comprises frame and hot pressing die, and the hot pressing die of each unit unit all comprises fixedly lower bolster, fixed bolster plate, active side template and movable cope match-plate pattern, fixedly lower bolster, fixed bolster plate and active side template set inside heating rod and cooling-water duct; Described hydraulic part comprises hydraulic jack and hydraulic control system; The active side template of each unit unit compresses driving by some cross cylinder levels, each unit unit movable cope match-plate pattern compress driving by some shift cylinders and some vertical oil cylinder translations with vertical; It is characterized in that: described hydraulic control system comprises fuel tank, oil pump, main in-line and main return line; Main in-line is drawn through oil pump pressurization back from mailbox and is divided three the tunnel; The first via is connected on horizontal in-line and the main return line through electric-hydraulic proportion overflow type three-way pressure reducing valve; The second the tunnel is connected on vertical in-line and the main return line through electric-hydraulic proportion overflow type three-way pressure reducing valve, and Third Road is connected on the displacement in-line through pressure-reducing valve; The cross cylinder of each some parallel connection in unit unit is connected on horizontal in-line and the main return line through last oil pipe, following oil pipe and three position four-way directional control valve; The shift cylinder of each some parallel connection in unit unit is connected on displacement in-line and the main return line through last oil pipe, following oil pipe and three position four-way directional control valve; The vertical oil cylinder of each some parallel connection in unit unit is connected on vertical in-line and the main return line with three position four-way directional control valve through last oil pipe, following oil pipe.
In order to realize oil pressure control more accurately; The pressure transmitter of transmitting pressure data for automatically controlled part is installed on the following oil pipe after the some cross cylinder parallel connections in each unit unit, the pressure transmitter of transmitting pressure data for automatically controlled part is installed on the following oil pipe after the some vertical oil cylinder parallel connections in each unit unit.According to the feedback data of two pressure transmitters, further proofread and correct the output oil pressure of two electric-hydraulic proportion overflow type three-way pressure reducing valves respectively, satisfy the pressing process requirement.
The asynchronous problem of a plurality of oil cylinders is adjusted and remedied to inhomogeneities when getting into multichannel in order to improve with the balance fluid, on the oil pipe unidirectional governing valve is installed on after each some cross cylinder in unit unit, some shift cylinders and the some vertical oil cylinder parallel connections.
In order to ensure the safe operation of hydraulic control system, cleaner and damping transducer have been installed all on main in-line and main return line.In case when producing the damping pressure rising, can report to the police automatically because of slag.
In order to guarantee the power advantage of hydraulic control system, to avoid oil pump to break down and influence operate as normal, described oil pump comprises the oil pump of two parallel connections.
The invention has the advantages that:
(1) its core technology is its hydraulic control system, gives the cross cylinder of some parallel connections and the vertical oil cylinder oil supply of some parallel connections through electric-hydraulic proportion overflow type three-way pressure reducing valve respectively by the main in-line of oil pump pressurization output.The pressure of oil supply and time can be realized program control through electric-hydraulic proportion overflow type three-way pressure reducing valve and automatically controlled part; Both can also adjust press time and pressure parameter immediately according to feedback pressure or temperature according to process curve or Mathematical Modeling control press time and pressure.
(2) in that fixedly lower bolster, fixed bolster plate, active side template set inside have heating rod and cooling-water duct; Can give hot pressing die and coil cooling through recirculated water after hot pressing process is accomplished, shorten activity time, efficient doubles, former one class can only hot pressing once, owing to cooling system then one class can press secondary.
(3) it can be made up of a plurality of units unit, and the various combination of a plurality of units unit can be realized the heat pressing operation of a plurality of length coils.
Description of drawings
Fig. 1 is an electricity generator stator coil straight line hot press plan structure sketch map of the present invention;
Fig. 2 is an electricity generator stator coil straight line hot press side structure sketch map of the present invention;
Fig. 3 is the structural representation that dissects of fixedly lower bolster of the present invention, fixed bolster plate and active side template;
Fig. 4 is hydraulic control system of the present invention and A unit unit connection structure sketch map;
Among the figure: the 1-frame, 2-is lower bolster fixedly, 3-fixed bolster plate, 4-active side template, the movable cope match-plate pattern of 5-, 6-heating rod; The 7-cooling-water duct, 8-cross cylinder, 9-shift cylinder, the vertical oil cylinder of 10-, 11-fuel tank; The 12-oil pump, 13-master's in-line, 14-master's return line, 15-electric-hydraulic proportion overflow type three-way pressure reducing valve, 16-pressure-reducing valve; The horizontal in-line of 17-, the vertical in-line of 18-, the 19-in-line that is shifted, the last oil pipe of 20-, oil pipe under the 21-; The 22-three position four-way directional control valve, 23-pressure transmitter, the unidirectional governing valve of 24-, 25-cleaner, 26-damping transducer.
Embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3; A kind of electricity generator stator coil straight line hot press; Constitute by mechanical part, hydraulic part and automatically controlled part; Described mechanical part comprises two big unit unit B, C and two little unit unit A, D, and the hot pressing die length of big unit unit B, C is 3.5 meters, and the hot pressing die length of little unit unit A, D is 1.5 meters; Each unit unit all comprises frame 1 and hot pressing die; The hot pressing die of each unit unit all comprises fixedly lower bolster 2, fixed bolster plate 3, active side template 4 and movable cope match-plate pattern 5, fixedly lower bolster 2, fixed bolster plate 3 and active side template 4 set inside heating rods 6 and cooling-water duct 7, and the active side template 4 of A unit unit compresses driving by three cross cylinder 8 levels; The movable cope match-plate pattern 5 of A unit unit compresses driving by vertical oil cylinder 10 translations with three of three shift cylinders 9 with vertical; The active side template 4 of B unit unit compresses driving by seven cross cylinder 8 levels, and the movable cope match-plate pattern 5 of B unit unit compresses driving by vertical oil cylinder 10 translations with seven of seven shift cylinders 9 with vertical; The active side template 4 of C unit unit compresses driving by seven cross cylinder 8 levels, and the movable cope match-plate pattern 5 of C unit unit compresses driving by vertical oil cylinder 10 translations with seven of seven shift cylinders 9 with vertical; The active side template 4 of D unit unit compresses driving by three cross cylinder 8 levels, and the movable cope match-plate pattern 5 of D unit unit compresses driving by vertical oil cylinder 10 translations with three of three shift cylinders 9 with vertical;
As shown in Figure 4, be hydraulic control system and A unit unit connection structure sketch map, be that example is described hydraulic control system of the present invention with A unit unit below.Described hydraulic part comprises hydraulic jack and hydraulic control system; The active side template 4 of A unit unit compresses driving by three cross cylinder 8 levels, A unit unit movable cope match-plate pattern 5 compress driving by vertical oil cylinder 10 translations of three shift cylinders 9 with vertical with three; Described hydraulic control system comprises fuel tank 11, two oil pumps 12, main in-line 13 and main return lines 14; Main in-line 13 is drawn through oil pump 12 pressurization backs from mailbox 11 and is divided three the tunnel; The first via is connected on horizontal in-line 17 and the main return line 14 through electric-hydraulic proportion overflow type three-way pressure reducing valve 15; The second the tunnel is connected on vertical in-line 19 and the main return line 14 through electric-hydraulic proportion overflow type three-way pressure reducing valve 15, and Third Road is connected on the displacement in-line 18 through pressure-reducing valve 16; The cross cylinder 8 of three parallel connections in A unit unit is through last oil pipe 20, oil pipe 21 and three position four-way directional control valve 22 are connected on horizontal in-line 17 and the main return line 14 down; The shift cylinder 9 of three parallel connections in A unit unit is through last oil pipe 20, oil pipe 21 and three position four-way directional control valve 22 are connected on displacement in-line 18 and the main return line 14 down; The vertical oil cylinder 10 of three parallel connections in A unit unit is through last oil pipe 20, oil pipe 21 is connected on vertical in-line 18 and the main return line 14 with three position four-way directional control valve 22 down.
The pressure transmitter 23 of transmitting pressure data for automatically controlled part is installed on the following oil pipe 21 after three cross cylinder 8 parallel connections in A unit unit, the pressure transmitter 23 of transmitting pressure data for automatically controlled part is installed on the following oil pipe 21 after three vertical oil cylinder 10 parallel connections in A unit unit.
On the oil pipe 20 unidirectional governing valve 24 is installed on after three cross cylinders in A unit unit 8, three vertical oil cylinder 10 parallel connections of shift cylinder 9 with three.
Cleaner 25 and damping transducer 26 all are installed on main in-line 13 and main return line 14.
Should be noted that at last; Above embodiment content is only in order to explain technical scheme of the present invention; But not to the restriction of protection range of the present invention; The simple modification that those of ordinary skill in the art carries out technical scheme of the present invention perhaps is equal to replacement, does not all break away from the essence and the scope of technical scheme of the present invention.
Claims (5)
1. electricity generator stator coil straight line hot press; Constitute by mechanical part, hydraulic part and automatically controlled part; Described mechanical part comprises one or more unit unit; Each unit unit all comprises frame and hot pressing die, and the hot pressing die of each unit unit all comprises fixedly lower bolster, fixed bolster plate, active side template and movable cope match-plate pattern, fixedly lower bolster, fixed bolster plate and active side template set inside heating rod and cooling-water duct; Described hydraulic part comprises hydraulic jack and hydraulic control system; The active side template of each unit unit compresses driving by some cross cylinder levels, each unit unit movable cope match-plate pattern compress driving by some shift cylinders and some vertical oil cylinder translations with vertical; It is characterized in that: described hydraulic control system comprises fuel tank, oil pump, main in-line and main return line; Main in-line is drawn through oil pump pressurization back from mailbox and is divided three the tunnel; The first via is connected on horizontal in-line and the main return line through electric-hydraulic proportion overflow type three-way pressure reducing valve; The second the tunnel is connected on vertical in-line and the main return line through electric-hydraulic proportion overflow type three-way pressure reducing valve, and Third Road is connected on the displacement in-line through pressure-reducing valve; The cross cylinder of each some parallel connection in unit unit is connected on horizontal in-line and the main return line through last oil pipe, following oil pipe and three position four-way directional control valve; The shift cylinder of each some parallel connection in unit unit is connected on displacement in-line and the main return line through last oil pipe, following oil pipe and three position four-way directional control valve; The vertical oil cylinder of each some parallel connection in unit unit is connected on vertical in-line and the main return line with three position four-way directional control valve through last oil pipe, following oil pipe.
2. electricity generator stator coil straight line hot press according to claim 1; It is characterized in that: the pressure transmitter of transmitting pressure data for automatically controlled part is installed on the following oil pipe after the some cross cylinder parallel connections in each unit unit, the pressure transmitter of transmitting pressure data for automatically controlled part is installed on the following oil pipe after the some vertical oil cylinder parallel connections in each unit unit.
3. electricity generator stator coil straight line hot press according to claim 2 is characterized in that: unidirectional governing valve is installed on the oil pipe on after each some cross cylinder in unit unit, some shift cylinders and the some vertical oil cylinder parallel connections.
4. electricity generator stator coil straight line hot press according to claim 3 is characterized in that: cleaner and damping transducer all have been installed on main in-line and main return line.
5. according to claim 1,2,3 or 4 any described electricity generator stator coil straight line hot presses, it is characterized in that: the oil pump that comprises two parallel connections for described oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102406631A CN102780333A (en) | 2012-07-12 | 2012-07-12 | Generator stator coil linear hot press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102406631A CN102780333A (en) | 2012-07-12 | 2012-07-12 | Generator stator coil linear hot press |
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| CN102780333A true CN102780333A (en) | 2012-11-14 |
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| CN2012102406631A Pending CN102780333A (en) | 2012-07-12 | 2012-07-12 | Generator stator coil linear hot press |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687283A (en) * | 2018-03-30 | 2018-10-23 | 天津市天锻压力机有限公司 | A kind of electrohydraulic control system and technological forming method being hot extruded into type hydraulic machine |
| CN113659783A (en) * | 2021-07-06 | 2021-11-16 | 上海紫邦科技有限公司 | Hot-press forming device and forming method for end part of stator coil |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1066317A (en) * | 1996-08-15 | 1998-03-06 | Fuji Electric Co Ltd | Heat press device for dry insulating coil |
| CN2739873Y (en) * | 2004-10-29 | 2005-11-09 | 顾立志 | Medium-sized motor stator shaped coil hot-pressing apparatus |
| CN201418015Y (en) * | 2009-06-01 | 2010-03-03 | 湖南零陵恒远发电设备有限公司 | Heating device for manufacturing mould pressing by generator stator coil |
| CN202070782U (en) * | 2010-12-03 | 2011-12-14 | 常熟通润汽车零部件股份有限公司 | Automatic machining equipment of axle hole |
| CN102536963A (en) * | 2011-12-31 | 2012-07-04 | 长沙中联消防机械有限公司 | Engineering machinery as well as protection method and protection method of landing leg horizontal oil cylinder thereof |
| CN202696408U (en) * | 2012-07-12 | 2013-01-23 | 上海紫邦科技有限公司 | Straight line hot press of generator stator coil |
-
2012
- 2012-07-12 CN CN2012102406631A patent/CN102780333A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1066317A (en) * | 1996-08-15 | 1998-03-06 | Fuji Electric Co Ltd | Heat press device for dry insulating coil |
| CN2739873Y (en) * | 2004-10-29 | 2005-11-09 | 顾立志 | Medium-sized motor stator shaped coil hot-pressing apparatus |
| CN201418015Y (en) * | 2009-06-01 | 2010-03-03 | 湖南零陵恒远发电设备有限公司 | Heating device for manufacturing mould pressing by generator stator coil |
| CN202070782U (en) * | 2010-12-03 | 2011-12-14 | 常熟通润汽车零部件股份有限公司 | Automatic machining equipment of axle hole |
| CN102536963A (en) * | 2011-12-31 | 2012-07-04 | 长沙中联消防机械有限公司 | Engineering machinery as well as protection method and protection method of landing leg horizontal oil cylinder thereof |
| CN202696408U (en) * | 2012-07-12 | 2013-01-23 | 上海紫邦科技有限公司 | Straight line hot press of generator stator coil |
Non-Patent Citations (1)
| Title |
|---|
| 孙为民等: "成型线圈热压型机的设计", 《防爆电机》, no. 2, 30 June 2002 (2002-06-30), pages 27 - 28 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687283A (en) * | 2018-03-30 | 2018-10-23 | 天津市天锻压力机有限公司 | A kind of electrohydraulic control system and technological forming method being hot extruded into type hydraulic machine |
| CN108687283B (en) * | 2018-03-30 | 2024-04-12 | 天津市天锻压力机有限公司 | Electrohydraulic control system of hot extrusion forming hydraulic machine and process forming method |
| CN113659783A (en) * | 2021-07-06 | 2021-11-16 | 上海紫邦科技有限公司 | Hot-press forming device and forming method for end part of stator coil |
| CN113659783B (en) * | 2021-07-06 | 2022-07-19 | 上海紫邦科技有限公司 | Hot-press forming device and forming method for end part of stator coil |
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Application publication date: 20121114 |