CN110911934A - Forming die and method for slip ring brush wire - Google Patents

Forming die and method for slip ring brush wire Download PDF

Info

Publication number
CN110911934A
CN110911934A CN201911250821.XA CN201911250821A CN110911934A CN 110911934 A CN110911934 A CN 110911934A CN 201911250821 A CN201911250821 A CN 201911250821A CN 110911934 A CN110911934 A CN 110911934A
Authority
CN
China
Prior art keywords
die
brush
brush wire
slip ring
forming
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
CN201911250821.XA
Other languages
Chinese (zh)
Inventor
钟江英
郭治军
曹汐
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.)
AVIC Beijing Precision Engineering Institute for Aircraft Industry
Original Assignee
AVIC Beijing Precision Engineering Institute for Aircraft Industry
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 AVIC Beijing Precision Engineering Institute for Aircraft Industry filed Critical AVIC Beijing Precision Engineering Institute for Aircraft Industry
Priority to CN201911250821.XA priority Critical patent/CN110911934A/en
Publication of CN110911934A publication Critical patent/CN110911934A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/12Manufacture of brushes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Motor Or Generator Current Collectors (AREA)

Abstract

The invention discloses a forming die of a slip ring brush wire, which comprises an upper die, a brush wire pressing block, a middle die and a lower die which are sequentially arranged from top to bottom, wherein the brush wire pressing block is positioned on the middle die so as to control the brush wire to move in the vertical direction; the center of the brush wire pressing block is provided with a through cavity, the upper die comprises an upper die body and a male die which is integrally connected to the bottom of the upper die body, the middle die is provided with a female die, the male die penetrates through the through cavity, and the male die and the female die are matched with each other to enable the brush wire to be molded. The male die penetrates through the penetrating cavity to be in contact with the brush wires placed on the middle die, and the male die in the upper die is pressed into the female die in the middle die by force, so that the male die and the female die are matched with each other, and the brush wires are formed. The die is simple in structure, can smoothly and quickly form the brush wire, and does not need to adjust the forming angle of the brush wire again to adjust the proper brush wire pressure. Especially, when the number of the brush wires is large, the pressure debugging is not needed to be carried out one by one in a time-consuming and labor-consuming manner, and the working efficiency is greatly improved.

Description

Forming die and method for slip ring brush wire
Technical Field
The invention relates to the technical field of aviation and aerospace precision rotating machinery, in particular to a forming die and a forming method of a slip ring brush wire.
Background
The conductive slip ring is mainly used in rotating mechanical occasions, such as a rotary table, a radar, an unmanned aerial vehicle and the like, and can realize transmission of electric signals between two parts which rotate continuously by 360 degrees.
The conductive slip ring mainly comprises a stator and a rotor, the stator is connected with the rotor through an electric brush in an overlapping mode to guarantee signal transmission during 360-degree rotation, the electric brushes are various in types, and elastic sheets capable of achieving overlarge current are used as the electric brushes. Brush wires of different diameters can also be used as brushes when the space size is limited or the current is small.
At present, traditional brush silk mainly uses the rectangular block to carry out the shaping, later assembles on the brush yoke, still need adjust the fashioned angle of brush silk repeatedly after nevertheless installing to adjust suitable brush silk pressure, satisfy the performance of sliding ring, need detect repeatedly at adjustment brush silk pressure in-process like this, adjust repeatedly, bring great trouble for the fitting work, be unfavorable for work efficiency's promotion, and the uniformity of brush silk pressure also is difficult to guarantee.
Therefore, the invention provides a forming die and a forming method for a slip ring brush wire, which are used for solving the technical problems.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problems that in the prior art, the forming angle of the brush wire is required to be repeatedly adjusted to adjust the proper brush wire pressure after the brush wire is installed, repeated detection and adjustment are required in the process of repeatedly adjusting the brush wire pressure, the work efficiency is not favorably improved, and the consistency of the brush wire pressure is difficult to ensure.
(II) technical scheme
The invention provides a forming die of a slip ring brush wire, which comprises an upper die, a brush wire pressing block, a middle die and a lower die which are sequentially arranged from top to bottom, wherein the brush wire pressing block is positioned on the middle die so as to control the brush wire to move in the vertical direction; the center of the brush wire pressing block is provided with a through cavity, the upper die comprises an upper die body and a male die which is integrally connected to the bottom of the upper die body, the middle die is provided with a female die, the male die penetrates through the through cavity, and the male die and the female die are matched with each other to enable the brush wire to be molded.
Preferably, two opposite side surfaces of the male die are provided with first pressing inclined plane parts, the cross section of the male die is in an inverted trapezoid shape, and the angle of the inverted trapezoid shape is consistent with the angle of the formed brush wire.
Preferably, when the male die is matched with the female die, a second pressing inclined plane part is arranged at a position of the female die corresponding to the first pressing inclined plane part, the cross section of the female die is in an inverted trapezoid shape, and the angle of the inverted trapezoid shape is consistent with the angle of the formed brush wire.
Preferably, the upper surface of the middle die is provided with a first semicircular groove for accommodating brush wires, and the bottom of the male die (5) is provided with a second semicircular groove for accommodating brush wires.
Preferably, the inner side of the female die is provided with a guide block, the outer side of the male die is provided with a positioning block, and the guide block is matched with the positioning block.
Preferably, the brush wire pressing block is in a square frame shape, and two sides of the brush wire pressing block are provided with rabbets to control the brush wires to move in the horizontal direction.
Preferably, the lower mold is fastened to the lower end surface of the middle mold by screws.
The invention also provides a forming method of the slip ring brush wire, which comprises the following steps:
s1: straightening the coiled brush filaments;
s2: cutting the straightened brush wires into a set length according to the requirement;
s3: putting the cut brush wires into a first semicircular groove of a middle die, and covering a brush wire pressing block to prevent the brush wires from wandering around;
s4: and the male die of the upper die is matched with the female die of the middle die for stamping.
Specifically, in step S4, during stamping, the positioning block on the outer side of the male die and the guide block on the inner side of the female die are initially fitted, and then the upper die is stamped by force until the top of the lower die is stamped.
(III) advantageous effects
The technical scheme of the invention has the following advantages:
in the forming die for the slip ring brush wire, the brush wire pressing block is positioned on the middle die so as to control the brush wire to move in the vertical direction, and the smooth operation can be ensured when the brush wire is punched; the brush silk briquetting center has the chamber of running through, goes up the mould and includes mould body and the terrace die of a body coupling in last mould body bottom, and well mould has the die, and the terrace die passes the chamber of running through, and terrace die and die are mutually supported to make the brush silk shaping, this mould simple structure can be smoothly and fast must make the brush silk shaping, need not adjust the fashioned angle of brush silk once more with the suitable brush silk pressure of adjustment. Especially, when the number of the brush wires is large, the pressure debugging is not needed to be carried out one by one in a time-consuming and labor-consuming manner, the working efficiency is greatly improved, and the formed angle consistency of the brush wires is good.
In the forming method of the slip ring brush wire, firstly, the coiled brush wire is straightened, and the straightened brush wire is cut into a set length according to the requirement; then the cut brush wires are placed in the first semicircular groove of the middle die, and the brush wire pressing block is covered to prevent the brush wires from moving around, so that the brush wires can be conveniently and smoothly molded; and finally, a male die of the upper die is matched with a female die of the middle die for stamping, the female die is used for forming, the angle consistency of the formed brush wire is good, the consistency of the pressure of the brush wire is ensured, and the requirements of low friction torque and long service life of the slip ring can be better met.
In the die adopted by the invention, the inner side of the female die is provided with the guide block, the outer side of the male die is provided with the positioning block, and the guide block and the positioning block are matched with each other, so that the uniform stress of the brush wire in the forming process can be ensured, the symmetry of the formed brush wire can be ensured, and the reliability and the performance of the slip ring are improved.
Drawings
Fig. 1 is a schematic overall structure diagram of a forming die of a slip ring brush wire according to the invention;
fig. 2 is a schematic structural view of an upper die of a forming die for the slip ring brush wire according to the present invention;
FIG. 3 is a schematic structural view of a brush wire pressing block of the slip ring brush wire forming die according to the present invention;
fig. 4 is a schematic structural diagram of a middle mold of the forming mold of the slip ring brush wire of the invention.
In the figure: 1. an upper die; 2. pressing the brush wires into blocks; 3. a middle mold; 4. a lower die; 5. a male die; 6. positioning blocks; 7. a first pressed ramp portion; 8. a second semi-circular slot; 9. a guide block; 10. a first semicircular groove; 11. stopping the opening; 12. a female die; 13. a second pressed ramp portion.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, the forming mold for a slip ring brush wire provided by the present invention comprises an upper mold 1, a brush wire pressing block 2, a middle mold 3 and a lower mold 4, which are sequentially arranged from top to bottom, wherein the brush wire pressing block 2 is located on the middle mold 3 to control the brush wire to move in a vertical direction; the center of the brush wire pressing block 2 is provided with a through cavity, the upper die 1 comprises an upper die body and a male die 5 which is integrally connected to the bottom of the upper die body, the middle die 3 is provided with a female die 12, the male die 5 penetrates through the through cavity, and the male die 5 and the female die 12 are matched with each other to enable the brush wire to be molded.
In the above embodiment, the male die 5 passes through the through cavity to contact the brush wires placed on the middle die 3, and then the male die 5 in the upper die 1 is pressed into the female die 12 in the middle die 3 by force, so that the male die 5 and the female die 12 are matched with each other to promote the formation of the brush wires. The die is simple in structure, can smoothly and quickly form the brush wire, and does not need to adjust the forming angle of the brush wire again to adjust the proper brush wire pressure. Especially, when the number of the brush wires is large, the pressure debugging is not needed to be carried out one by one in a time-consuming and labor-consuming manner, and the working efficiency is greatly improved.
Specifically, two opposite side surfaces of the male die 5 are provided with first pressing inclined surface parts 7, the cross section of the male die 5 is in an inverted trapezoid shape, and the angle of the inverted trapezoid shape is consistent with the angle of the formed brush wire.
Specifically, when the male die 5 is matched with the female die 12, the female die 12 is provided with a second pressing inclined surface part 13 at a position corresponding to the first pressing inclined surface part 7, the cross section of the female die 12 is in an inverted trapezoid shape, and the angle of the inverted trapezoid shape is consistent with the angle of the formed brush wire. Before the brush wire is molded, the molding angle of the brush wire is calculated according to the required pressure value of the brush wire, and then a proper molding die is manufactured. By utilizing the brush wire forming die, the obtained formed brush wire can be directly assembled on a slip ring, so that the links of repeated adjustment and repeated measurement of the brush wire pressure are avoided, and the brush wire forming die is particularly suitable for batch production of slip ring brush wires.
Specifically, the upper surface of the middle die 3 is provided with a first semicircular groove 10 for accommodating brush wires, and the bottom of the male die 5 is provided with a second semicircular groove 8 for accommodating brush wires. The first semicircular groove 10 may be provided in many positions, and the present invention is preferably provided in the middle of the middle mold 3. The first semicircular groove 10 can prevent the brush wires from moving around before the brush wire pressing block 2 covers the middle die 3, and meanwhile, the stamping process can be performed more smoothly; the second semi-circular groove 8 can better control the brush wire at the bottom of the male die 5 during punching.
Specifically, the inner side of the female die 12 is provided with a guide block 9, the outer side of the male die 5 is provided with a positioning block 6, and the guide block 9 is matched with the positioning block 6. The guide blocks 9 are respectively arranged at the left end and the right end of the first semicircular groove 10, and the guide blocks 9 and the positioning blocks 6 are matched with each other, so that the uniform stress of the brush wires in the forming process can be ensured, the symmetry and the consistency of the formed brush wires can be ensured, and the reliability and the performance of the slip ring are improved.
Specifically, the brush wire pressing block 2 is in a square frame shape, the two sides of the brush wire pressing block 2 are provided with the rabbets 11, and the rabbets 11 are clamped at the outer ports of the first semicircular groove, so that the wandering of the brush wires in the horizontal direction and the wandering of the brush wires in the vertical direction are controlled.
Preferably, the lower mold 4 is fastened to the lower end surface of the middle mold 3 by screws. The middle mold 3 and the lower mold 4 may be an integral body, but in order to better process the middle mold 3, the middle mold 3 and the lower mold 4 of the present invention are a single integral body, and there are many methods for fixing the lower mold 4 to the lower end surface of the middle mold 3, and the present invention preferably adopts a screw fastening method.
The invention also provides a forming method of the slip ring brush wire, which comprises the following steps:
s1: straightening the coiled brush filaments;
s2: cutting the straightened brush wires into a set length according to the requirement;
s3: putting the cut brush wires into a first semicircular groove 10 of a middle die 3, and covering a brush wire pressing block 2 to prevent the brush wires from moving around;
s4: the punch 5 of the upper die 1 is matched with the die 12 of the middle die 3 for punching.
In the above embodiment, the cut brush wire length just covers the whole length of the first semicircular groove 10, and the brush wire pressing block 2 is pressed on the middle die 3, so that the brush wire is prevented from moving around before and during the punching process; the male die 5 of the upper die 1 and the female die 12 of the middle die 3 are matched with each other, so that the brush wires are punched into a required shape.
Specifically, in step S4, during punching, the positioning block 6 on the outer side of the punch 5 is primarily fitted with the guide block 9 on the inner side of the die 12, and then the upper die 1 is pressed by force until the top of the lower die (4) is punched. The preliminary cooperation of guide block 9 and locating piece 6 can ensure that the brush silk atress is even in the shaping process, guarantees the symmetry of brush silk behind the shaping, promotes the reliability and the performance of sliding ring.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a forming die of sliding ring brush silk which characterized in that: the brush wire fixing device comprises an upper die (1), a brush wire pressing block (2), a middle die (3) and a lower die (4) which are sequentially arranged from top to bottom, wherein the brush wire pressing block (2) is positioned on the middle die (3) to control the brush wire to move in the vertical direction; brush silk briquetting (2) center has the chamber of running through, go up mould (1) including last mould body and a body coupling and be in go up terrace die (5) of mould body bottom, well mould (3) have die (12), terrace die (5) pass run through the chamber, terrace die (5) with die (12) mutually support to make the brush silk shaping.
2. The forming die of the slip ring brush wire according to claim 1, wherein: the two opposite side surfaces of the male die (5) are provided with first pressing inclined surface parts (7), the cross section of the male die (5) is in an inverted trapezoid shape, and the angle of the inverted trapezoid shape is consistent with the angle of the formed brush wire.
3. The forming die of the slip ring brush wire according to claim 2, wherein: when the male die (5) is matched with the female die (12), a second pressing inclined surface part (13) is arranged at the position, corresponding to the first pressing inclined surface part (7), of the female die (12), the section of the female die (12) is in an inverted trapezoid shape, and the angle of the inverted trapezoid shape is consistent with the angle of the formed brush wire.
4. The forming die of the slip ring brush wire according to claim 1, wherein: the upper surface of the middle die (3) is provided with a first semicircular groove (10) for accommodating the brush wires, and the bottom of the male die (5) is provided with a second semicircular groove (8) for accommodating the brush wires.
5. The forming die of the slip ring brush wire according to claim 1, wherein: the die is characterized in that a guide block (9) is arranged on the inner side of the female die (12), a positioning block (6) is arranged on the outer side of the male die (5), and the guide block (9) is matched with the positioning block (6).
6. The forming die of the slip ring brush wire according to claim 1, wherein: the brush wire pressing block (2) is in a square frame shape, and two sides of the brush wire pressing block (2) are provided with rabbets (11) to control the brush wires to move in the horizontal direction.
7. The forming die for the slip ring brush filaments according to any one of claims 1 to 6, wherein: the lower die (4) is fastened on the lower end face of the middle die (3) through screws.
8. A method for forming slip ring brush wires is characterized by comprising the following steps:
s1: straightening the coiled brush filaments;
s2: cutting the straightened brush wires into a set length according to the requirement;
s3: putting the cut brush filaments into a first semicircular groove (10) of a middle die (3), and covering a brush filament pressing block (2) to prevent the brush filaments from moving around;
s4: the punch (5) of the upper die (1) is matched with the die (12) of the middle die (3) for punching.
9. The method for forming the slip ring brush filaments according to claim 8, wherein: in step S4, during stamping, the positioning block (6) on the outer side of the male die (5) and the guide block (9) on the inner side of the female die (12) are initially matched, and then the upper die (1) is stamped by force until the top of the lower die (4) is stamped.
CN201911250821.XA 2019-12-09 2019-12-09 Forming die and method for slip ring brush wire Pending CN110911934A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911250821.XA CN110911934A (en) 2019-12-09 2019-12-09 Forming die and method for slip ring brush wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911250821.XA CN110911934A (en) 2019-12-09 2019-12-09 Forming die and method for slip ring brush wire

Publications (1)

Publication Number Publication Date
CN110911934A true CN110911934A (en) 2020-03-24

Family

ID=69823546

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911250821.XA Pending CN110911934A (en) 2019-12-09 2019-12-09 Forming die and method for slip ring brush wire

Country Status (1)

Country Link
CN (1) CN110911934A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112611928A (en) * 2020-11-30 2021-04-06 中国航空工业集团公司洛阳电光设备研究所 Signal source device for detecting die protector and implementation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06111914A (en) * 1992-09-25 1994-04-22 Tanaka Kikinzoku Kogyo Kk Manufacture of slide brush
CN1632990A (en) * 2004-12-30 2005-06-29 番禺得意精密电子工业有限公司 Electric connector and manufacturing method thereof
CN202550271U (en) * 2012-03-07 2012-11-21 遵义长征电器产品有限公司 Electrical hydraulic compression joint device for low-voltage distribution lead
CN202591382U (en) * 2012-04-04 2012-12-12 无锡欧易博阀业科技有限公司 Stretching mould for disclike workpiece
CN105612662A (en) * 2013-10-15 2016-05-25 古河As株式会社 Terminal, wire harness, terminal and coated conductor wire connection method, and wire harness structure
CN107901941A (en) * 2017-11-10 2018-04-13 中南大学 A kind of special energy absorption device of squash type rail truck
CN208929078U (en) * 2018-09-19 2019-06-04 上海精智实业股份有限公司 A kind of bending tool

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06111914A (en) * 1992-09-25 1994-04-22 Tanaka Kikinzoku Kogyo Kk Manufacture of slide brush
CN1632990A (en) * 2004-12-30 2005-06-29 番禺得意精密电子工业有限公司 Electric connector and manufacturing method thereof
CN202550271U (en) * 2012-03-07 2012-11-21 遵义长征电器产品有限公司 Electrical hydraulic compression joint device for low-voltage distribution lead
CN202591382U (en) * 2012-04-04 2012-12-12 无锡欧易博阀业科技有限公司 Stretching mould for disclike workpiece
CN105612662A (en) * 2013-10-15 2016-05-25 古河As株式会社 Terminal, wire harness, terminal and coated conductor wire connection method, and wire harness structure
CN107901941A (en) * 2017-11-10 2018-04-13 中南大学 A kind of special energy absorption device of squash type rail truck
CN208929078U (en) * 2018-09-19 2019-06-04 上海精智实业股份有限公司 A kind of bending tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112611928A (en) * 2020-11-30 2021-04-06 中国航空工业集团公司洛阳电光设备研究所 Signal source device for detecting die protector and implementation method thereof

Similar Documents

Publication Publication Date Title
CN104124599B (en) Full-automatic multi-thread single-head terminal crimping machine
CN204144649U (en) Full-automatic multi-thread single-head terminal crimping machine
CN110911934A (en) Forming die and method for slip ring brush wire
CN212704152U (en) Portable cable cuts equipment for electric power engineering
CN107394559B (en) Continuous cutting and collecting equipment for product with terminal
CN102710034B (en) Motor inner stator with adjustable outer diameter and manufacture method of motor inner stator
CN207426383U (en) A kind of low-frequency cable component crimps system roller type tangent mechanism
CN209786392U (en) Crimping device and wire harness processing equipment
CN210156704U (en) Full-automatic flat cable pressing end whole cable inserting equipment
CN113783076B (en) Automatic wire cutting and stripping device
CN211218430U (en) PIN bending device
CN105598524A (en) Cropping working station for PIN material strap
CN213278669U (en) Knob forming machine for electric connecting terminal
CN108110589A (en) A kind of low-frequency cable component crimps system roller type tangent mechanism
CN211388889U (en) Novel tool bit adjusting structure on electric hair clipper and electric hair clipper
CN208728450U (en) Battery spring piece manufacturing machine
CN219350305U (en) Shaping module tab and cell positioning device
CN207853156U (en) A kind of low-frequency cable component crimping system spring guide type tangent mechanism
CN210098691U (en) Special die and stamping equipment for central conductor
CN216490004U (en) Installation device for upper and lower shells of motor
CN211808165U (en) Insulating paper forming die
CN220873984U (en) Crimping die for crimping terminal
CN218694579U (en) Chamfering unit for square needle
CN112475067B (en) Knob forming device and knob forming method for electric connecting terminal
CN218997329U (en) Multi-core power line fixed-end line shifting device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200324

RJ01 Rejection of invention patent application after publication