CN101877518A - Adjustable stator bar molding press device and machining method thereof - Google Patents

Adjustable stator bar molding press device and machining method thereof Download PDF

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Publication number
CN101877518A
CN101877518A CN 201010212604 CN201010212604A CN101877518A CN 101877518 A CN101877518 A CN 101877518A CN 201010212604 CN201010212604 CN 201010212604 CN 201010212604 A CN201010212604 A CN 201010212604A CN 101877518 A CN101877518 A CN 101877518A
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CN
China
Prior art keywords
stator bar
straight line
molding press
adjustable
foundary weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201010212604
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Chinese (zh)
Inventor
路春玲
蒋颖
张俊新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Original Assignee
Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd filed Critical Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Priority to CN 201010212604 priority Critical patent/CN101877518A/en
Publication of CN101877518A publication Critical patent/CN101877518A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an adjustable stator bar molding press device and a machining method thereof, and belongs to the technical field of hydraulic generators. The adjustable stator bar molding press device is characterized by comprising a straight weight, a straight upper weight, a countersunk screw and an adjustable spacer, wherein the central position of the straight weight is provided with a notch in which the straight upper weight is embedded; the notch is clamped and fastened with the countersunk screw; and the adjustable spacer is arranged between the straight weight and the straight upper weight. The machining method for the adjustable stator bar molding press device is characterized by comprising the following steps of: stacking upper and lower layers of stator bars on a bracket, disassembling a cloth tape, adhering resin-rich mica plates on the two sides and wrapping the stator bars with a polytetrafluoroethylene tape; adjusting the position of a colloidizing mold between the upper and lower layers of stator bar strands on a multi-head oil press; performing molding press between the strands and placing the stator bars in a cooling shaping mold for shaping; and cleaning off chamfers after the cooling. The device and the method have the advantages of simple process, convenient adjustment, high universality, high production efficiency, high product quality and the like.

Description

A kind of adjustable stator bar molding press device and processing method thereof
Technical field
The invention belongs to technical field of hydraulic generators, particularly relate to a kind of adjustable stator bar molding press device and processing method thereof.
Background technology
At present, generator stator bar is the critical component of hydraulic generator.Its quality quality directly affects hydraulic generator useful life, in the prior art, the whole processing and fabricating of foundary weight on straight line foundary weight and the straight line is adopted in the design of stator bar molding press mould short transverse size frock, particularly foundary weight processing and fabricating precision and sectional dimension require high on the straight line, difficulty of processing is also very big, stator bar is put into press-moulding die, adopt the shaped by fluid pressure processing method to carry out at the bull hydraulic press, be subjected to the multiple factor affecting of hydraulic system, be prone in the process of die mould, the overproof bad control of height dimension need be to foundary weight machine work again on straight line foundary weight and the straight line.This process operation is wasted time and energy, need on the milling machine with straight line foundary weight and straight line on foundary weight centering processing again, inefficiency has increased the cost of manufacture of operator's labour intensity and motor, in addition, work time cost increases, and has influenced the production cycle.
Summary of the invention
The present invention provides a kind of adjustable stator bar molding press device and processing method thereof for solving the technical problem that exists in the known technology.
One of purpose of the present invention provides a kind of adjustable stator bar molding press device simple in structure, easy to use, economical and practical, characteristics such as versatility is good, stable performance, production efficiency height and good product quality that has.
The technical scheme that adjustable stator bar molding press device of the present invention is taked is: a kind of adjustable stator bar molding press device, be characterized in: stator bar molding press device comprises foundary weight, sunk screw, adjustable shim on straight line foundary weight, the straight line, the straight line foundary weight has notch on the center, foundary weight is bumped in the notch on the straight line, clamp closing with sunk screw, between foundary weight adjustable shim is arranged on straight line foundary weight and the straight line.
Adjustable stator bar molding press device of the present invention can also adopt following technical scheme: described adjustable stator bar molding press device, be characterized in: straight line foundary weight notch is 1.5-2.5mm, the equidistant hole that is provided with is bumped into foundary weight on the straight line in the notch, clamps closing with sunk screw.
Described adjustable stator bar molding press device is characterized in: the straight line foundary weight is provided with suspension ring, and adjustable shim thickness is 0.5mm, 1mm or 1.5mm.
Two of purpose of the present invention provide a kind ofly have that technology is simple, easy to operate, easy to adjust, versatility is good, the adjustable stator bar molding press processing method of characteristics such as stable performance, production efficiency height, production quality are good.
The technical scheme that adjustable stator bar molding press processing method of the present invention is taked is: a kind of adjustable stator bar molding press processing method, be characterized in that procedure of processing is: the upper and lower layer stator bar that shaping finishes piled up respectively on support, remove strap, stick many glue micarex in the stator bar both sides, the wrapped in teflon band is used as the demoulding; Adjust the position of gel mould horizontal cylinder, vertical cylinder on the bull hydraulic press between upper and lower layer stator bar thigh; Undertaken by die mould technology between thigh, when treating the depanning of line rod, remove teflin tape and polyester film, put into the typing of cooling and shaping mould; After cooling finished, the cleaning chamfering was regulated pad and is adjusted size.
Adjustable stator bar molding press processing method of the present invention can also adopt following technical scheme: described adjustable stator bar molding press processing method, be characterized in: when the stator bar both sides stick many glue micarex, adopt many glue of intermediate temperature setting type micarex between stator bar row.
Advantage and good effect that the present invention has are: adjustable stator bar molding press device and processing method thereof be owing to adopted brand-new technology scheme of the present invention, makes foundary weight split processing on gel finishes between the stator bar thigh of producing line rod height dimension basically identical and straight line foundary weight, the straight line, can reduce the frock making expense, easy to adjust, pad is to utilize leftover bits to cut out, enhance productivity and guarantee the production quality.
The present invention has that technology is simple, easy to operate, easy to adjust, versatility is good, production efficiency is high and advantage such as the production quality is good.
Description of drawings
Fig. 1 is a structural representation of the present invention; Fig. 2 is a upper strata stator bar gel mould overall schematic; Fig. 3 is the plan structure schematic diagram of Fig. 2; Fig. 4 is the A-A sectional structure schematic diagram of Fig. 3.
Among the figure, 1, suspension ring, 2. straight line foundary weight, 3. adjustable shim, 4. sunk screw, 5. foundary weight on the straight line, 6. upper end parallels, 7. upper end die body, 8. false upper strata stator bar, 9. straight line foundary weight, 10. straight line pattern, 11. lower end die bodys, 12. glass-cloth boards, 13. on the side pressure iron, 14. pressure heads, foundary weight on 15., 16. under the side pressure iron, 17. short circuit terminal blocks, 18. upper end patterns.
Embodiment
For further understanding technology contents of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows: consult accompanying drawing 1, Fig. 2, Fig. 3 and Fig. 4.
1 one kinds of adjustable stator bar molding press devices of embodiment, comprise foundary weight 5 on straight line foundary weight 2, the straight line, sunk screw 4, adjustable shim 3, the straight line foundary weight has notch on the center, notch is 1.5-2.5mm, the equidistant hole that is provided with, foundary weight on the straight line is bumped in the notch, clamps closing, between foundary weight adjustable shim is arranged on straight line foundary weight and the straight line with sunk screw.The straight line foundary weight is provided with suspension ring 1, and adjustable shim 3 thickness are 1mm.
2 one kinds of adjustable stator bar molding press processing methods of embodiment, its procedure of processing is: the upper and lower layer stator bar that shaping finishes piled up respectively on support, remove strap, stick many glue micarex in the stator bar both sides, adopt many glue of intermediate temperature setting type micarex between stator bar row, the wrapped in teflon band is used as the demoulding; Adjust the position of gel mould horizontal cylinder, vertical cylinder on the bull hydraulic press between upper and lower layer stator bar thigh; Undertaken by die mould technology between thigh, when treating the depanning of line rod, remove teflin tape and polyester film, put into the typing of cooling and shaping mould; After cooling finished, the cleaning chamfering was regulated pad and is adjusted size.
The concrete manufacture craft of present embodiment: 1. at first shaping being finished, lower floor's stator bar piles up respectively on special stand, remove tape, stick many glue micarex wrapped in teflon band in the stator bar both sides uses as the demoulding.2. adjust the position of gel mould horizontal cylinder, vertical cylinder on the bull hydraulic press between levels stator bar thigh.3. start the electric heater switch, when carrying out, treating the depanning of line rod by die mould technology between thigh, remove teflin tape and polyester film rapidly, put into cooling and shaping mould typing. after cooling finishes, the cleaning chamfering, measure sectional dimension, according to the short transverse size, adjust size with the adjusting pad.
Adopt many glue of intermediate temperature setting type micarex, intensification and temperature fall time significantly to shorten, reduced the mould time that accounts for, save man-hour, reduce cost, raise labour productivity between stator bar row.
During process operation: the initial workpiece stator bar that stator bar adopts the single cavity die method to produce, production is finished is used slide calliper rule detection sectional plane size respectively. and at first adjustable stator bar straight line foundary weight is placed on two bench vices according to the short transverse dimension discrepancy and steps up, the sunk screw of foundary weight on straight line foundary weight and the straight line is unloaded, puts pad according to short transverse dimension discrepancy, segmentation pad and adjust height dimension, satisfy the design drawing requirement with the product that reaches after the compression molding.

Claims (5)

1. adjustable stator bar molding press device, it is characterized in that: stator bar molding press device comprises foundary weight, sunk screw, adjustable shim on straight line foundary weight, the straight line, the straight line foundary weight has notch on the center, foundary weight is bumped in the notch on the straight line, clamp closing with sunk screw, between foundary weight adjustable shim is arranged on straight line foundary weight and the straight line.
2. according to the described adjustable stator bar molding press device of claim 1, it is characterized in that: straight line foundary weight notch is 1.5-2.5mm, and the equidistant hole that is provided with is bumped into foundary weight on the straight line in the notch, clamps closing with sunk screw.
3. according to the described adjustable stator bar molding press device of claim 1, it is characterized in that: the straight line foundary weight is provided with suspension ring, and adjustable shim thickness is 0.5mm, 1mm or 1.5mm.
4. adjustable stator bar molding press processing method, it is characterized in that procedure of processing is: the upper and lower layer stator bar that shaping finishes piled up respectively on support, remove strap, stick many glue micarex in the stator bar both sides, the wrapped in teflon band is used as the demoulding; Adjust the position of gel mould horizontal cylinder, vertical cylinder on the bull hydraulic press between upper and lower layer stator bar thigh; Undertaken by die mould technology between thigh, when treating the depanning of line rod, remove teflin tape and polyester film, put into the typing of cooling and shaping mould; After cooling finished, the cleaning chamfering was regulated pad and is adjusted size.
5. according to the described adjustable stator bar molding press device processing method of claim 4, it is characterized in that: when the stator bar both sides stick many glue micarex, adopt many glue of intermediate temperature setting type micarex between stator bar row.
CN 201010212604 2010-06-29 2010-06-29 Adjustable stator bar molding press device and machining method thereof Pending CN101877518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010212604 CN101877518A (en) 2010-06-29 2010-06-29 Adjustable stator bar molding press device and machining method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010212604 CN101877518A (en) 2010-06-29 2010-06-29 Adjustable stator bar molding press device and machining method thereof

Publications (1)

Publication Number Publication Date
CN101877518A true CN101877518A (en) 2010-11-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267948A (en) * 2013-05-02 2013-08-28 哈尔滨电机厂有限责任公司 Method for testing alternating-current impedance of stator coil bar
CN104319018A (en) * 2014-11-10 2015-01-28 哈尔滨电机厂有限责任公司 Method for manufacturing stator bar wire of electric generator
CN104377912A (en) * 2014-11-27 2015-02-25 天津市天发重型水电设备制造有限公司 High-voltage motor stator bar hot pressing die device
CN111015229A (en) * 2019-12-18 2020-04-17 哈尔滨电气动力装备有限公司 Rotor lead-out wire profiling drill jig

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003061322A (en) * 2001-08-17 2003-02-28 Mitsubishi Electric Corp Wedge cutter of stator winding
CN2909681Y (en) * 2006-01-24 2007-06-06 许晓华 Shaping device for stator winding coil of series electric machine
CN201075789Y (en) * 2007-07-24 2008-06-18 天津市天发重型水电设备制造有限公司 Adjustable type frame-shaped stator coil coiling module
CN201750301U (en) * 2010-06-29 2011-02-16 天津市天发重型水电设备制造有限公司 Adjustable stator bar profiling device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003061322A (en) * 2001-08-17 2003-02-28 Mitsubishi Electric Corp Wedge cutter of stator winding
CN2909681Y (en) * 2006-01-24 2007-06-06 许晓华 Shaping device for stator winding coil of series electric machine
CN201075789Y (en) * 2007-07-24 2008-06-18 天津市天发重型水电设备制造有限公司 Adjustable type frame-shaped stator coil coiling module
CN201750301U (en) * 2010-06-29 2011-02-16 天津市天发重型水电设备制造有限公司 Adjustable stator bar profiling device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267948A (en) * 2013-05-02 2013-08-28 哈尔滨电机厂有限责任公司 Method for testing alternating-current impedance of stator coil bar
CN103267948B (en) * 2013-05-02 2015-06-03 哈尔滨电机厂有限责任公司 Method for testing alternating-current impedance of stator coil bar
CN104319018A (en) * 2014-11-10 2015-01-28 哈尔滨电机厂有限责任公司 Method for manufacturing stator bar wire of electric generator
CN104377912A (en) * 2014-11-27 2015-02-25 天津市天发重型水电设备制造有限公司 High-voltage motor stator bar hot pressing die device
CN111015229A (en) * 2019-12-18 2020-04-17 哈尔滨电气动力装备有限公司 Rotor lead-out wire profiling drill jig
CN111015229B (en) * 2019-12-18 2021-09-07 哈尔滨电气动力装备有限公司 Rotor lead-out wire profiling drill jig

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Open date: 20101103