CN103337934B - Stator overlying machine and stator overlying device employing same - Google Patents
Stator overlying machine and stator overlying device employing same Download PDFInfo
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- CN103337934B CN103337934B CN201310280233.7A CN201310280233A CN103337934B CN 103337934 B CN103337934 B CN 103337934B CN 201310280233 A CN201310280233 A CN 201310280233A CN 103337934 B CN103337934 B CN 103337934B
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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
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 current technological requirement, silicon steel plate of motor stator (center is hollow disc-shaped structure) laminates the larger pressure of needs and the pressurize regular hour, completes arm-tie welding on this basis.This operation can only be completed at four post hydraulic presses by the present factory of the requirement of critical process process.This four post hydraulic presses need very firmly ground, very technical professional and large-tonnage bridge crane or crane when installing, and beam lifting and dolly pass in and out numerous and diverse, and maintenance of equipment needs specialized maintenance personnel.And this hydraulic press equipment complexity, inefficiency, cost of investment are high, place takies greatly.Have very thick and heavy crossbeam above hydraulic press, periphery has four columns to limit stator silicon steel plate position, operating space when carrying out arm-tie welding, and welding job is not easily carried out.Therefore need a kind of structure simple and be conducive to arm-tie welding be applicable to the equipment that stator laminates processing.
Summary of the invention
The present invention solves current stator to laminate the technical problem that equipment in processing is complicated, be an impediment to processing, provides a kind of stator press and adopts the stator stack-press device of this stator press.
Stator press of the present invention realizes by the following technical solutions: a kind of stator press, comprises some supports of vertically setting, is horizontally fixed on the workbench that cantilever tip is tabular and the oil cylinder be fixed in the middle part of workbench lower end; The center of workbench has hole, and the movable end of oil cylinder is vertically connected with a pull bar through after centre bore, and pull bar is arranged with the pressing plate that a middle part is porose, the position that pull bar is positioned at pressing plate upper end is threaded connection limited location nut.
During use, oil cylinder is connected with outside control device, by control device, oil cylinder movable end is risen, after pushing drawing rod rises, lifting workpiece (being vertically deposited in silicon steel plate of motor stator together) centre bore lies in worktable upper surface through after pull bar and oil cylinder movable end, ensures to fit tightly middle foreign with workbench.Again pressing plate lain in workpiece surface and fit tightly with workpiece, then stop nut is screwed, by Workpiece fixing between pressing plate and workbench, then control oil cylinder movable end to move downward, stop nut on pull bar extrudes pressing plate downwards, pressing plate workpiece pressing reaches operating pressure, welds arm-tie by technological requirement measuring workpieces height, waits for that weld seam cools 20 minutes.Then unclamp stop nut, screw off stop nut, take pressing plate away, hang the part that goes into operation, this step process just terminates.Because this stator press is only provided with an oil cylinder and pull bar at workbench center vertical, eliminates the column of surrounding, make welding job become simple.
Stator press of the present invention make use of the hollow core structures of stator, and adopt oil cylinder to realize laminating stator through the mode of stator hollow, compare traditional oils press and eliminate four columns, structure is simple, and easy to operate, maintain and replace is also very simple.
Stator stack-press device of the present invention realizes by the following technical solutions: a kind of stator stack-press device, comprise the Hydraulic Station establishing oil pump and fuel tank in, the oil-out of Hydraulic Station is connected with a pile-up valve, and described pile-up valve comprises the pressure-reducing valve and reversal valve that connect 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 is cashier's office in a shop connected with oil pump terminals; Electrical control Valve controlling end is cashier's office in a shop 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, oil return circuit be serially connected with the first Pressure gauge.
Described Hydraulic Station is a kind of hydraulic power source device comprising oil pump, drive motor, fuel tank, direction valve, choke valve, overflow valve etc. and form.By the flow direction of drive unit requirement, pressure and flow fuel feeding, what be applicable to that drive unit is separated with Hydraulic Station is mechanically various, is connected by Hydraulic Station, can realizes the action of various regulation with drive unit (oil cylinder or motor) with oil pipe.Start the general supply of electrical control cabinet during use, connect the oil pump of Hydraulic Station and the control switch of reversal valve, control the action of oil cylinder movable end, complete the processing to workpiece.Connect the oil circuit composition oil feeding line of oil pump, overflow valve, reversal valve and oil cylinder, oil cylinder, between reversal valve and fuel tank, be provided with oil return circuit.Reversal valve by the direction of electrical control cabinet oil circuit control, and then controls the direction of motion of oil cylinder, the first Pressure gauge for observe oil cylinder act on pressing plate pressure so that control oil pressure.Reversal valve is multipath structure, and oil circuit direction wherein can change, its structure is the common practise of those skilled in the art, is well known to those skilled in the art with the annexation of oil circuit, have various structures and connected mode available, be easy to realize; Electrical control cabinet is also the industrial device usually used, and its action principle and connected mode are also existing known technologies.
A kind of stator stack-press device, comprise the Hydraulic Station establishing oil pump and fuel tank in, 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 are respectively connected with a reversal valve; Two reversal valves are respectively connected with a stator press; Described two reversal valves are respectively furnished with an electrical control cabinet; Each electrical control oil pump control end cashier's office in a shop is all connected with oil pump terminals; Each electrical control Valve controlling end cashier's office in a shop and the control switch of reversal valve matched with this electrical control cabinet are connected; Described reversal valve is connected with the oil cylinder of associated stator press; Oil return circuit is provided with between the oil cylinder of each stator press and the fuel tank of associated reversal valve and Hydraulic Station; Each oil return circuit is all serially connected with the first Pressure gauge.
A Hydraulic Station connects two stator presses, and two stator presses can independently work, non-interference.Because the control switch of the oil pump established in 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 open the reversal valve matched with this stator press.Can realize rise or the whereabouts of oil cylinder movable end by changing the flow direction of oil circuit in reversal valve, and the action of two oil cylinders is independent of each other and achieves 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, take full advantage of the oil pump in Hydraulic Station, achieve energy-conservation.
Accompanying drawing explanation
The structural representation of Fig. 1 stator press of the present invention.
The structural representation of the stator stack-press device of Fig. 2 employing of the present invention stator press.
The structural representation of the stator stack-press device of Fig. 3 employing of the present invention two stator presses.
Hydraulic station structure schematic diagram described in Fig. 4.
The hydraulic schematic diagram of the stator stack-press device of Fig. 5 employing of the present invention two stator presses.
101-support, 102-workbench, 103-oil cylinder, 104-movable end, 105-pull bar, 106-pressing plate, 107-stop nut, 2-Hydraulic Station, 201-oil absorption filter, 202-oil pump, 203-Oil pump electrical machinery, 204-overflow valve, 205-Pressure gauge, 206-pressure meter switch, 207-thermometer, 208-liquid level gauge, 3-electrical control cabinet, 4-accumulator, 5-workpiece, 6-pillar, 7-pile-up valve, 8-pressure-reducing valve, 9-reversal valve, 10-pressure retaining valve, 11-high-pressure ball valve, 12-pressure switch, 13-first Pressure gauge.
Embodiment
A kind of stator press, comprises some supports 101 of vertically setting, is horizontally fixed on the workbench 102 that support 101 top is tabular and the oil cylinder 103 be fixed in the middle part of workbench 102 lower end; The center of workbench 102 has hole, the movable end 104 of oil cylinder 103 is vertically connected with a pull bar 105 through after centre bore, pull bar 105 is arranged with the pressing plate 106 that a middle part is porose, the position that pull bar 105 is positioned at pressing plate 106 upper end is threaded connection limited location nut 107.
A kind of stator stack-press device, comprise the Hydraulic Station 2 establishing oil pump and fuel tank in, the oil-out of Hydraulic Station 2 is connected with a pile-up valve 7, and described pile-up valve 7 comprises the pressure-reducing valve 8 and reversal valve 9 that connect 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 electrical control cabinet 3 is connected with oil pump terminals; Valve controlling end on 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, oil return circuit be serially connected with the first Pressure gauge 13.
A kind of stator stack-press device, comprise the Hydraulic Station 2 establishing oil pump and fuel tank in, 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 are respectively connected with a reversal valve 9; Two reversal valves 9 are respectively connected with a stator press; Described two reversal valves 9 are respectively furnished with an electrical control cabinet 3; Oil pump control end on each electrical control cabinet 3 is all connected with oil pump terminals; Valve controlling end on each electrical control cabinet 3 and the control switch of reversal valve 9 matched with this electrical control cabinet 3 are connected; Described reversal valve 9 is connected with the oil cylinder 103 of associated stator press; Oil return circuit is provided with between the oil cylinder 103 of each stator press and the fuel tank of associated reversal valve 9 and Hydraulic Station 2; Each oil return circuit is all serially connected with the first Pressure gauge 13.
The oil return circuit of each stator press is all serially connected with an accumulator 4.
Described reversal valve 9 is three-position four-way electromagnetic directional valve.
Described first Pressure gauge 13 is electro connecting pressure gauge.
Accumulator 4 is conducive to long-time pressurize, avoids the frequent start-stop of motor, and all parts and components of available protecting Hydraulic Station 2, also fully realize energy-conserving and environment-protective.
Be generally to install 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 inserting ground, oil cylinder 103 bottom is fixed in groove, to make oil cylinder 103 operationally more stable.
Fig. 5 is the hydraulic schematic diagram of stator stack-press device of the present invention.Oil pump 202 in Hydraulic Station 2 is outside oil transportation under the drive of Oil pump electrical machinery 203, hydraulic oil is divided into two-way respectively to flow into a reversal valve 9 after pressure-reducing valve 8, hydraulic oil through reversal valve 9 enters oil cylinder 103 through pressure retaining valve 10, the oil return circuit of oil cylinder 103 is also connected to point cantact Pressure gauge 13 and pressure switch 12, point cantact Pressure gauge 13 can show the pressure on oil return circuit.Pressure switch 12, for ensureing that the load of oil circuit is unlikely to excessive, protects the safety of corresponding oil circuit; Loop is also connected to high-pressure ball valve 11 and accumulator 4, high-pressure ball valve 11 is for controlling the break-make of accumulator 4; Hydraulic oil also separates a road and gets back to fuel tank through overflow valve 204 after being extracted out by oil pump 202, and overflow valve 204 plays level pressure overflow effect, voltage stabilizing, system unloaded and safeguard protection effect.The pressure meter switch 206 that the oil circuit of oil pump 202 and overflow valve 204 is also connected with Pressure gauge 205 and matches with Pressure gauge; Fuel tank is also provided with the liquid level gauge 208 of the thermometer 207 and reflection oil tank liquid level that can reflect fuel tank hydraulic fluid temperature; Oil absorption filter 201 is for the impurity in adsorption liquid force feed.
Claims (6)
1. a stator stack-press device, comprise the Hydraulic Station (2) establishing oil pump and fuel tank in, it is characterized in that, the oil-out of Hydraulic Station (2) is connected with a pile-up valve (7), and described pile-up valve (7) comprises the pressure-reducing valve (8) and reversal valve (9) that connect in turn; Reversal valve (9) is connected with a stator press; Described stator press comprise vertically arrange some supports (101), be horizontally fixed on the workbench (102) that support (101) top is tabular and the oil cylinder (103) be fixed in the middle part of workbench (102) lower end; The center of workbench (102) has hole, the movable end (104) of oil cylinder (103) is through being vertically connected with a pull bar (105) behind this hole, pull bar (105) is arranged with the pressing plate (106) that a middle part is porose, the position that pull bar (105) is positioned at pressing plate (106) upper end is threaded connection limited location nut (107); Described stator press is furnished with an electrical control cabinet (3); Oil pump control end on electrical control cabinet (3) is connected with oil pump terminals; Valve controlling end on 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), oil return circuit be serially connected with the first Pressure gauge (13).
2. a stator stack-press device, comprise the Hydraulic Station (2) establishing oil pump and fuel tank in, 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 are respectively connected with a reversal valve (9); Two reversal valves (9) are respectively connected with a stator press; Described stator press comprise vertically arrange some supports (101), be horizontally fixed on the workbench (102) that support (101) top is tabular and the oil cylinder (103) be fixed in the middle part of workbench (102) lower end; The center of workbench (102) has hole, the movable end (104) of oil cylinder (103) is through being vertically connected with a pull bar (105) behind this hole, pull bar (105) is arranged with the pressing plate (106) that a middle part is porose, the position that pull bar (105) is positioned at pressing plate (106) upper end is threaded connection limited location nut (107); Described two reversal valves (9) are respectively furnished with an electrical control cabinet (3); Oil pump control end on each electrical control cabinet (3) is all connected with oil pump terminals; Valve controlling end on each electrical control cabinet (3) and the control switch of reversal valve (9) matched with this electrical control cabinet (3) are connected; Described reversal valve (9) is connected with the oil cylinder (103) of associated stator press; Oil return circuit is provided with between the oil cylinder (103) of each stator press and the fuel tank of associated reversal valve (9) and Hydraulic Station (2); Each oil return circuit is all serially connected with the first Pressure gauge (13).
3. stator stack-press device as claimed in claim 2, the oil return circuit that it is characterized in that each stator press is all serially connected with an accumulator (4).
4. stator stack-press device as claimed in claim 2 or claim 3, it is characterized in that, described reversal valve (9) is three-position four-way electromagnetic directional valve.
5. stator stack-press device as claimed in claim 2 or claim 3, it is characterized in that, described first Pressure gauge (13) is electro connecting pressure gauge.
6. stator stack-press device as claimed in claim 4, it is characterized in that, described first Pressure gauge (13) is electro connecting pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310280233.7A CN103337934B (en) | 2013-07-05 | 2013-07-05 | Stator overlying machine and stator overlying device employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310280233.7A CN103337934B (en) | 2013-07-05 | 2013-07-05 | Stator overlying machine and stator overlying device employing same |
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| Publication Number | Publication Date |
|---|---|
| CN103337934A CN103337934A (en) | 2013-10-02 |
| CN103337934B true CN103337934B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310280233.7A Active CN103337934B (en) | 2013-07-05 | 2013-07-05 | Stator overlying machine and stator overlying device employing same |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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| 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 |
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| 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 |
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2013
- 2013-07-05 CN CN201310280233.7A patent/CN103337934B/en active Active
Patent Citations (7)
| 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 |
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| CN103337934A (en) | 2013-10-02 |
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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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