CN103337934A - Stator overlying machine and stator overlying device employing same - Google Patents

Stator overlying machine and stator overlying device employing same Download PDF

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Publication number
CN103337934A
CN103337934A CN2013102802337A CN201310280233A CN103337934A CN 103337934 A CN103337934 A CN 103337934A CN 2013102802337 A CN2013102802337 A CN 2013102802337A CN 201310280233 A CN201310280233 A CN 201310280233A CN 103337934 A CN103337934 A CN 103337934A
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China
Prior art keywords
stator
oil
valve
press
oil cylinder
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CN2013102802337A
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CN103337934B (en
Inventor
郭永安
张铭继
王天全
张旭鹏
武永铎
王立民
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CRRC Yongji Electric Co Ltd
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Yongji Xinshisu Electric Equipment Co Ltd
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Publication of CN103337934A publication Critical patent/CN103337934A/en
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Abstract

The invention relates to a hydraulic device, in particular to a stator overlying machine and a stator overlying device employing the same. The stator overlying machine and the stator overlying device solve the technical problems that equipment is complicated and processing is obstructed during the current stator overlying processing. The stator overlying machine comprises a plurality of vertically arranged brackets, a platy workbench horizontally fixed at the top ends of the brackets, and an oil cylinder fixed in the middle of the lower end of the workbench, wherein a hole is formed in the center of the workbench; a free end of the oil cylinder penetrates through the center hole and is vertically and fixedly connected with a pull rod; a pressing plate with a hole in the middle is arranged on the pull rod in a sleeving manner; and a position, at the upper end of the pressing plate, of the pull rod is connected with a limit nut by screw threads. The stator overlying machine utilizes hollow core structures of stators, and overlays the stators in a manner that the oil cylinder penetrates through hollow cores of the stators, and compared with the traditional oil press, four uprights are removed, so that the stator overlying machine is simple in structure, convenient to operate, and very simple and easy to maintain and replace.

Description

Stator press and adopt the stator stack-press device of this stator press
Technical field
The present invention relates to hydraulic means, be specially a kind of stator press and adopt the stator stack-press device of this stator press.
Background technology
According to present technological requirement, silicon steel plate of motor stator (center is hollow disk shape structure) laminate need be bigger pressure and pressurize regular hour, finish arm-tie welding on this basis.Can only finish this operation at four post hydraulic presses by the present factory of the requirement of critical process process.Need very firm ground, very technical professional and large-tonnage bridge crane or crane when this four post hydraulic presses are installed, crossbeam lifting and dolly turnover are numerous and diverse, and maintenance of equipment needs the specialized maintenance personnel.And this hydraulic press equipment complexity, inefficiency, cost of investment height, place take greatly.Very thick and heavy crossbeam is arranged above the hydraulic press, and periphery has four columns to limit stator silicon steel plate position, operating space when carrying out the arm-tie welding, makes that welding job is difficult for carrying out.Therefore need a kind of stator that is applicable to simple in structure and that be conducive to the arm-tie welding to laminate the equipment of processing.
Summary of the invention
The present invention laminates equipment complexity in the processing for solving present stator, is an impediment to the technical problem of processing, a kind of stator press is provided and adopts the stator stack-press device of this stator press.
Stator press of the present invention is realized by the following technical solutions: a kind of stator press, comprise vertical setting some supports, be horizontally fixed on the oil cylinder that cantilever tip is tabular workbench and is fixed on workbench lower end middle part; The center of workbench has the hole, and the movable end of oil cylinder vertically is connected with a pull bar after passing centre bore, is arranged with a pressing plate that the middle part is porose on the pull bar, and pull bar is positioned at the position of pressing plate upper end by the stop nut that has been threaded.
Oil cylinder is connected with the control device of outside during use, by control device the oil cylinder movable end is risen, after pushing drawing rod rises, lie in worktable upper surface after lifting workpiece (vertically being deposited in silicon steel plate of motor stator together) centre bore passes pull bar and oil cylinder movable end, guarantee to fit tightly middle no foreign matter with workbench.Again pressing plate is lain in workpiece surface and fit tightly with workpiece, screw stop nut then, workpiece is positioned between pressing plate and the workbench, controlling the oil cylinder movable end then moves downward, stop nut on the pull bar pushes pressing plate downwards, the pressing plate workpiece pressing reaches operating pressure, by technological requirement measuring workpieces height and weld arm-tie, waits for weld seam cooling 20 minutes.Unclamp stop nut then, screw off stop nut, take pressing plate away, hang the part that goes into operation, this step process just finishes.Because this stator press only vertically is provided with an oil cylinder and pull bar in the middle of workbench, the column around having saved makes welding job become simple.
Stator press of the present invention has utilized the hollow core structures of stator, and the mode that adopts oil cylinder to pass the stator hollow realizes the laminating of stator compared the traditional oils press and removed four columns, and simple in structure, easy to operate, maintain and replace is also very simple.
Stator stack-press device of the present invention is realized by the following technical solutions: a kind of stator stack-press device, comprise the Hydraulic Station of establishing oil pump and fuel tank in one, the oil-out of Hydraulic Station is connected with a pile-up valve, and described pile-up valve comprises pressure-reducing valve and the reversal valve that connects in turn; Reversal valve is connected with a stator press; Described stator press is furnished with an electrical control cabinet; Electrical control oil pump control end cashier's office in a shop is connected with the oil pump terminals; Electrical control valve control end cashier's office in a shop is connected with the control switch of reversal valve; Reversal valve is connected with the oil cylinder of stator press; Be provided with oil return circuit between the fuel tank of oil cylinder, reversal valve and Hydraulic Station, be serially connected with first Pressure gauge on the oil return circuit.
Described Hydraulic Station is a kind of hydraulic power source device that comprises that oil pump, drive motor, fuel tank, direction valve, choke valve, overflow valve etc. constitute.By the flow direction, pressure and the flow fuel feeding of drive unit requirement, it is mechanically various to be applicable to that drive unit separates with Hydraulic Station, and Hydraulic Station is linked to each other with oil pipe with drive unit (oil cylinder or motor), can realize various specified action.Start the general supply of electrical control cabinet during use, connect the oil pump of Hydraulic Station and the control switch of reversal valve, the processing to workpiece is finished in the action of control oil cylinder movable end.The oil circuit that connects oil pump, overflow valve, reversal valve and oil cylinder is formed oil feeding line, is provided with oil return circuit between oil cylinder, reversal valve and the fuel tank.Reversal valve is by the direction of electrical control cabinet control oil circuit, and then the direction of motion of control oil cylinder, first Pressure gauge be used for observing oil cylinder act on the pressing plate pressure so that the control oil pressure.Reversal valve is the multipath structure, and oil circuit direction wherein can change, and its structure is those skilled in the art's common practise, is well known to those skilled in the art with the annexation of oil circuit, has multiple structure and connected mode available, is easy to realize; Electrical control cabinet also is the industrial device of usually using, and its action principle and connected mode also are existing known technologies.
A kind of stator stack-press device, comprise the Hydraulic Station of establishing oil pump and fuel tank in one, the oil-out of Hydraulic Station is connected with a pile-up valve, and described pile-up valve comprises a pressure-reducing valve, the oil-out of pressure-reducing valve is connected with two oil circuits, and two oil circuits respectively are connected with a reversal valve; Two reversal valves respectively are connected with a stator press; Described two reversal valves respectively are furnished with an electrical control cabinet; Each electrical control oil pump control end cashier's office in a shop all is connected with the oil pump terminals; Each electrical control valve control end cashier's office in a shop is connected with the control switch of the reversal valve that matches with this electrical control cabinet; Described reversal valve is connected with the oil cylinder of associated stator press; Be provided with oil return circuit between the fuel tank of the oil cylinder of each stator press and associated reversal valve and Hydraulic Station; All be serially connected with first Pressure gauge on each oil return circuit.
A Hydraulic Station connects two stator presses, and two stator presses can independently be worked mutually noninterfere.Because the control switch of the oil pump of establishing in the Hydraulic Station is connected with the oil pump control end of two electrical control cabinets simultaneously, therefore when a stator press job, because oil pump is in running order, if start another stator press, then only need to open the reversal valve that matches with this stator press and get final product.Rise or the whereabouts that can realize the oil cylinder movable end by the flow direction that changes oil circuit in the reversal valve, and the action of two oil cylinders is independent of each other and has realized the function of " one drag two ".
Adopt a Hydraulic Station in conjunction with two stator presses, and the work that two stator presses can be separate, taken full advantage of the oil pump in the Hydraulic Station, realized energy-conservation.
Description of drawings
The structural representation of Fig. 1 stator press of the present invention.
The structural representation of the stator stack-press device of a stator press of Fig. 2 employing of the present invention.
The structural representation of the stator stack-press device of two stator presses of Fig. 3 employing of the present invention.
The described hydraulic station structure schematic diagram of Fig. 4.
The hydraulic schematic diagram of the stator stack-press device of two stator presses of Fig. 5 employing of the present invention.
The 101-support, 102-workbench, 103-oil cylinder, 104-movable end, 105-pull bar, the 106-pressing plate, 107-stop nut, 2-Hydraulic Station, 201-oil suction filter, 202-oil pump, the 203-Oil pump electrical machinery, 204-overflow valve, 205-Pressure gauge, 206-pressure meter switch, 207-thermometer, the 208-liquid level gauge, 3-electrical control cabinet, 4-accumulator, 5-workpiece, the 6-pillar, 7-pile-up valve, 8-pressure-reducing valve, 9-reversal valve, the 10-pressure retaining valve, 11-high-pressure ball valve, 12-pressure switch, 13-first Pressure gauge.
Embodiment
A kind of stator press, comprise vertical setting some supports 101, be horizontally fixed on the oil cylinder 103 that support 101 tops are tabular workbench 102 and are fixed on workbench 102 lower ends middle parts; The center of workbench 102 has the hole, the movable end 104 of oil cylinder 103 vertically is connected with a pull bar 105 after passing centre bore, be arranged with a pressing plate 106 that the middle part is porose on the pull bar 105, pull bar 105 is positioned at the position of pressing plate 106 upper ends by the stop nut 107 that has been threaded.
A kind of stator stack-press device comprises the Hydraulic Station 2 of establishing oil pump and fuel tank in one, and the oil-out of Hydraulic Station 2 is connected with a pile-up valve 7, and described pile-up valve 7 comprises pressure-reducing valve 8 and the reversal valve 9 that connects in turn; Reversal valve 9 is connected with a stator press; Described stator press is furnished with an electrical control cabinet 3; Oil pump control end on the electrical control cabinet 3 is connected with the oil pump terminals; Valve control end on the electrical control cabinet 3 is connected with the control switch of reversal valve 9; Reversal valve 9 is connected with the oil cylinder 103 of stator press; Be provided with oil return circuit between the fuel tank of oil cylinder 103, reversal valve 9 and Hydraulic Station 2, be serially connected with first Pressure gauge 13 on the oil return loop.
A kind of stator stack-press device, comprise the Hydraulic Station 2 of establishing oil pump and fuel tank in one, the oil-out of Hydraulic Station 2 is connected with a pile-up valve 7, and described pile-up valve 7 comprises a pressure-reducing valve 8, the oil-out of pressure-reducing valve 8 is connected with two oil circuits, and two oil circuits respectively are connected with a reversal valve 9; Two reversal valves 9 respectively are connected with a stator press; Described two reversal valves 9 respectively are furnished with an electrical control cabinet 3; Oil pump control end on each electrical control cabinet 3 all is connected with the oil pump terminals; Valve control end on each electrical control cabinet 3 is connected with the control switch of the reversal valve 9 that matches with this electrical control cabinet 3; The oil cylinder 103 of described reversal valve 9 and associated stator press is connected; Be provided with oil return circuit between the fuel tank of the oil cylinder 103 of each stator press and associated reversal valve 9 and Hydraulic Station 2; All be serially connected with first Pressure gauge 13 on each oil return loop.
All be serially connected with an accumulator 4 on the oil return circuit of each stator press.
Described reversal valve 9 is the 3-position 4-way solenoid directional control valve.
Described first Pressure gauge 13 is electro connecting pressure gauge.
Accumulator 4 is conducive to long-time pressurize, has avoided the frequent start-stop of motor, effectively protects Hydraulic Station 2 all zero, parts, also fully realizes energy-conserving and environment-protective.
Be generally installation and firmly dig out a groove at mill floor, the support of press is fixed on the two ends of groove by the pillar 6 that inserts ground, oil cylinder 103 bottoms are fixed in the groove, so that oil cylinder 103 is more stable when work.
Fig. 5 is the hydraulic schematic diagram of stator stack-press device of the present invention.Oil pump 202 in the Hydraulic Station 2 is outwards oil transportation under the drive of Oil pump electrical machinery 203, hydraulic oil respectively flows into a reversal valve 9 through being divided into two-way behind the pressure-reducing valve 8, hydraulic oil through reversal valve 9 enters oil cylinder 103 through pressure retaining valve 10, also be connected to a contact manometer 13 and pressure switch 12 on the oil return loop of oil cylinder 103, some contact manometer 13 can show the pressure on the oil return loop.Pressure switch 12 is used for guaranteeing that the load of oil circuit is unlikely to excessive, protects the safety of corresponding oil circuit; Also be connected to high-pressure ball valve 11 and accumulator 4 on the loop, high-pressure ball valve 11 is used for the break-make of control accumulator 4; Hydraulic oil is also told one tunnel process overflow valve 204 and is got back to fuel tank after being extracted out by oil pump 202, overflow valve 204 plays level pressure overflow effect, voltage stabilizing, system unloaded and safeguard protection effect.The pressure meter switch 206 that also is connected with Pressure gauge 205 and matches with Pressure gauge on the oil circuit of oil pump 202 and overflow valve 204; Also be provided with the thermometer 207 that can reflect the fuel tank hydraulic fluid temperature and the liquid level gauge 208 that reflects oil tank liquid level on the fuel tank; Oil suction filter 201 is used for the impurity of absorption hydraulic oil.

Claims (7)

1. a stator press is characterized in that, comprise vertical setting some supports (101), be horizontally fixed on the oil cylinder (103) that support (101) top is tabular workbench (102) and is fixed on workbench (102) lower end middle part; The center of workbench (102) has the hole, the movable end (104) of oil cylinder (103) vertically is connected with a pull bar (105) after passing centre bore, be arranged with a pressing plate (106) that the middle part is porose on the pull bar (105), pull bar (105) is positioned at the position of pressing plate (106) upper end by the stop nut that has been threaded (107).
2. stator stack-press device, comprise the Hydraulic Station (2) of establishing oil pump and fuel tank in one, it is characterized in that the oil-out of Hydraulic Station (2) is connected with a pile-up valve (7), described pile-up valve (7) comprises pressure-reducing valve (8) and the reversal valve (9) that connects in turn; Reversal valve (9) is connected with a stator press as claimed in claim 1; Described stator press is furnished with an electrical control cabinet (3); Oil pump control end on the electrical control cabinet (3) is connected with the oil pump terminals; Valve control end on the electrical control cabinet (3) is connected with the control switch of reversal valve (9); Reversal valve (9) is connected with the oil cylinder (103) of stator press; Be provided with oil return circuit between the fuel tank of oil cylinder (103), reversal valve (9) and Hydraulic Station (2), be serially connected with first Pressure gauge (13) on the oil return circuit.
3. stator stack-press device, comprise the Hydraulic Station (2) of establishing oil pump and fuel tank in one, it is characterized in that, the oil-out of Hydraulic Station (2) is connected with a pile-up valve (7), described pile-up valve (7) comprises a pressure-reducing valve (8), the oil-out of pressure-reducing valve (8) is connected with two oil circuits, and two oil circuits respectively are connected with a reversal valve (9); Two reversal valves (9) respectively are connected with a stator press as claimed in claim 1; Described two reversal valves (9) respectively are furnished with an electrical control cabinet (3); Oil pump control end on each electrical control cabinet (3) all is connected with the oil pump terminals; Valve control end on each electrical control cabinet (3) is connected with the control switch of the reversal valve (9) that matches with this electrical control cabinet (3); The oil cylinder (103) of described reversal valve (9) and associated stator press is connected; Be provided with oil return circuit between the fuel tank of the oil cylinder of each stator press (103) and associated reversal valve (9) and Hydraulic Station (2); All be serially connected with first Pressure gauge (13) on each oil return circuit.
4. stator stack-press device as claimed in claim 3 is characterized in that all being serially connected with an accumulator (4) on the oil return circuit of each stator press.
5. as claim 3 or 4 described stator stack-press devices, it is characterized in that described reversal valve (9) is the 3-position 4-way solenoid directional control valve.
6. as claim 3 or 4 described stator stack-press devices, it is characterized in that described first Pressure gauge (13) is electro connecting pressure gauge.
7. stator stack-press device as claimed in claim 5 is characterized in that, described first Pressure gauge (13) is electro connecting pressure gauge.
CN201310280233.7A 2013-07-05 2013-07-05 Stator overlying machine and stator overlying device employing same Active CN103337934B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103537888A (en) * 2013-10-24 2014-01-29 上海电机学院 Self-aligning mounting structure of oil press in press-fitting equipment
CN104242571A (en) * 2014-10-10 2014-12-24 哈尔滨电机厂有限责任公司 Steam turbine generator stator iron core laminated piece mounting and pressing device
CN107681847A (en) * 2017-11-25 2018-02-09 山西天海泵业有限公司 A kind of especially big motor for submerged pump stator stack gland shell machine
CN113078781A (en) * 2021-04-14 2021-07-06 湘潭电机股份有限公司 Motor iron core demolding tool and demolding method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201910712U (en) * 2010-12-30 2011-07-27 常州市神力电机有限公司 Press-fit machine for stator iron cores of segmental motors
CN102522861A (en) * 2011-12-14 2012-06-27 大连钰霖电机有限公司 Portable hydraulic punching and lamination stacking machine
CN102545489A (en) * 2010-12-08 2012-07-04 中国南车集团襄樊牵引电机有限公司 Horizontal cramp machine for laminating motor stator iron cores
CN202475180U (en) * 2012-03-31 2012-10-03 浙江中龙电机股份有限公司 Automatic stator lamination equipment
CN102882327A (en) * 2012-09-20 2013-01-16 无锡法拉第电机有限公司 Stator punching sheet overlying die and stator core prestressed overlying process
CN103326522A (en) * 2013-07-04 2013-09-25 天津市天锻压力机有限公司 Motor stator iron core pressing hydraulic machine
CN203301324U (en) * 2013-07-05 2013-11-20 永济新时速电机电器有限责任公司 Stator overlying machine and stator overlying device using same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102545489A (en) * 2010-12-08 2012-07-04 中国南车集团襄樊牵引电机有限公司 Horizontal cramp machine for laminating motor stator iron cores
CN201910712U (en) * 2010-12-30 2011-07-27 常州市神力电机有限公司 Press-fit machine for stator iron cores of segmental motors
CN102522861A (en) * 2011-12-14 2012-06-27 大连钰霖电机有限公司 Portable hydraulic punching and lamination stacking machine
CN202475180U (en) * 2012-03-31 2012-10-03 浙江中龙电机股份有限公司 Automatic stator lamination equipment
CN102882327A (en) * 2012-09-20 2013-01-16 无锡法拉第电机有限公司 Stator punching sheet overlying die and stator core prestressed overlying process
CN103326522A (en) * 2013-07-04 2013-09-25 天津市天锻压力机有限公司 Motor stator iron core pressing hydraulic machine
CN203301324U (en) * 2013-07-05 2013-11-20 永济新时速电机电器有限责任公司 Stator overlying machine and stator overlying device using same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103537888A (en) * 2013-10-24 2014-01-29 上海电机学院 Self-aligning mounting structure of oil press in press-fitting equipment
CN103537888B (en) * 2013-10-24 2016-03-23 上海电机学院 A kind of hydraulic press Self-aligning mounting structure of press-loading device
CN104242571A (en) * 2014-10-10 2014-12-24 哈尔滨电机厂有限责任公司 Steam turbine generator stator iron core laminated piece mounting and pressing device
CN107681847A (en) * 2017-11-25 2018-02-09 山西天海泵业有限公司 A kind of especially big motor for submerged pump stator stack gland shell machine
CN113078781A (en) * 2021-04-14 2021-07-06 湘潭电机股份有限公司 Motor iron core demolding tool and demolding method

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Address after: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No.

Patentee after: CRRC YONGJI ELECTRIC CO., LTD.

Address before: 044500 Yongji City, Shanxi Province, the city of motor street, No. 18, No.

Patentee before: Yongji Xinshisu Motor Electrical Appliance Co., Ltd.

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