CN102225519B - Wire grinding mechanism - Google Patents

Wire grinding mechanism Download PDF

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Publication number
CN102225519B
CN102225519B CN 201110129127 CN201110129127A CN102225519B CN 102225519 B CN102225519 B CN 102225519B CN 201110129127 CN201110129127 CN 201110129127 CN 201110129127 A CN201110129127 A CN 201110129127A CN 102225519 B CN102225519 B CN 102225519B
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China
Prior art keywords
axle
polishing
interior axle
outer shaft
emery wheel
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CN 201110129127
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Chinese (zh)
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CN102225519A (en
Inventor
宋延黎
谭顺宝
吴毓鹏
王广才
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Shenzhen LeYang Electric Wire Appliance Co.,Ltd.
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LOROM PRECISION INDUSTRY (SHENZHEN) Co Ltd
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Priority to CN 201110129127 priority Critical patent/CN102225519B/en
Publication of CN102225519A publication Critical patent/CN102225519A/en
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Abstract

The invention discloses a wire grinding mechanism. Controlled by a digital control circuit, a wire to be grinded is fixed in the grinding mechanism, a sand wheel rotation motor 2 drives the rotation of a sand wheel, a revolution motor 26 drives the revolution of the sand wheel around the wire to grind the surface of the outer circle of the wire, and simultaneously, a radial feed motor 7 drives the radial movement of the sand wheel so as to grind at a depth on the wire. Compared with the prior art, the mechanism of the invention is stable in rotation, durable and wearable, high in grinding precision, low in working noise, high in grinding efficiency, and convenient in maintenance and debugging.

Description

A kind of wire grinding mechanism
Technical field
The present invention relates to sander, relate in particular to a kind of wire grinding mechanism of wire ends being implemented polishing.
Background technology
For improving cable service life, in its manufacture process, implement polishing to the outer round surface of wire ends, increase its surface roughness, thereby strengthen the adhesive force of wire rod and moulding connector.The rotation of the polishing nose of existing wire rod sander is wheel and rack transmission mechanism 180 degree reciprocating rotaries, and the radial feeds of emery wheel are to select adjustable cylinder to finish.Existing sander has following shortcoming: 1, head rotation impulsive force is large, and rack-and-pinion is easy to wear; 2, the polishing precision is low; 3, operating noise is large; 4, grinding efficiency is low; 5, maintenance and debugging is inconvenient.
Summary of the invention
The present invention is the problems referred to above that will solve prior art, propose a kind of head stability of rotation, durable in use, the polishing precision is high, operating noise is low, grinding efficiency is high, maintenance and debugging wire grinding mechanism easily.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is a kind of wire grinding mechanism of design, comprise emery wheel and emery wheel spinning motor, drive the radial drive that emery wheel and emery wheel spinning motor radially move, be located at the polishing axle of the support wire rod of emery wheel radial direction, support the bracing or strutting arrangement of polishing axle by clutch shaft bearing, be located at the arrangement of clutch that bracing or strutting arrangement drives the rotation of polishing axle of being convenient between polishing axle one end and the bracing or strutting arrangement, be located at the strigil that can stop when needed the polishing axle to rotate of the polishing axle other end, with the polishing coaxial setting of axle and be in the first interior axle of arrangement of clutch lateral direction, by first outer shaft of the second bearing holder (housing, cover) in the first interior axle outside, with the polishing coaxial setting of axle and be in the second interior axle of strigil lateral direction, by second outer shaft of the 3rd bearing holder (housing, cover) in the second interior axle outside, be fixed between the first outer shaft and the second outer shaft in order to contain the head box of fixing described radial drive and bracing or strutting arrangement, be located on the first outer shaft and/or the second outer shaft outer wall in order to be communicated with the brush of external circuit in the head box, be located at respectively on the first outer shaft and the second outer shaft outer wall in order to the 4th of supporting line body workpiece polishing mechanism, the 5th bearing is located at the driven wheel that the drive head box on the first outer shaft or the second outer shaft outer wall rotates; Described polishing axle, the first interior axle and the second interior axle all are provided with centre bore, pass successively in the centre bore of described wire rod by the first interior axle, polishing axle and the second interior axle; Described strigil is fixed on the second interior axle.
The first pneumatic tongs of the described wire rod of clamping is equipped with in the end of the close arrangement of clutch of the described first interior axle, and the inwall of described the first interior axle is provided with guide groove, lays the first tracheae that drives described the first pneumatic tongs in this guide groove; The second pneumatic tongs of the described wire rod of clamping is equipped with in the end of the close strigil of the described second interior axle, and the inwall of described the second interior axle is provided with guide groove, lays the second tracheae that drives described the second pneumatic tongs in this guide groove.
Described radial drive comprises: fixing described emery wheel and emery wheel spinning motor fixation kit, be fixed on the radial feed motor on the described head box, be subjected to the ball screw of radial feed motor-driven rotation, supporting and be fixed on screw mandrel slide block on the fixation kit with this ball screw.
Described polishing axle is circular tube shaped, is provided with the open slot that exposes described centre bore in the place of the described emery wheel of correspondence.
Described arrangement of clutch comprises: can be engaged with each other and with wheel hub and the propeller boss of the coaxial setting of described wire rod, wherein wheel hub is fixed on the described bracing or strutting arrangement, propeller boss is fixed on described polishing shaft end; Also comprise the clutch pneumatic device that the promotion polishing axle that is located at polishing axle the other end and propeller boss move horizontally; This clutch pneumatic device is fixedly connected with and is subjected to described the second tracheae to drive with the described second interior axle.
Described strigil comprises: be installed in the friction pulley of the described polishing axle other end, be installed in the friction plate of friction pulley radial direction, drive friction plate to friction pulley do minute/from the strigil pneumatic means that moves; This strigil pneumatic means is fixedly connected with and is subjected to described the second tracheae to drive with the described second interior axle.
Wire grinding mechanism also comprises: a workbench, be erected at two bracing frames that support respectively described the 4th, the 5th bearing on the table surface, and be located at the revoluting motor that driving-belt rotating band driving wheel rotates that passes through under the table surface.
Compared with prior art, head stability of rotation of the present invention, durable in use, the polishing precision is high, operating noise is low, grinding efficiency is high, maintenance and debugging is convenient.
Description of drawings
Below in conjunction with drawings and Examples the present invention is made detailed explanation, wherein:
Fig. 1 is the drive disk assembly three-dimensional view of preferred embodiment of the present invention;
Fig. 2 is preferred embodiment overall appearance figure of the present invention;
Fig. 3 is preferred embodiment complete section figure of the present invention;
Fig. 4 is preferred embodiment radial drive outside drawing of the present invention;
Fig. 5 is preferred embodiment polishing axle isometric front view of the present invention;
Fig. 6 is preferred embodiment polishing axle rear isometric view of the present invention.
The specific embodiment
The invention discloses a kind of wire grinding mechanism, wire rod to be polished is fixed in the workpiece polishing mechanism, emery wheel spinning motor 2 drives the emery wheel rotation, revoluting motor 26 drives emery wheel coiling material and does the revolution rotation, polishing wire rod outer round surface, radial feed motor 7 driving emery wheels radially move simultaneously, in order to polish certain depth at wire rod.Referring to Fig. 1, the present invention comprises emery wheel 1 and emery wheel spinning motor 2 at least, drive the radial drive that emery wheel and emery wheel spinning motor radially move, be located at the polishing axle 4 of the support wire rod 16 of emery wheel radial direction, support the bracing or strutting arrangement of polishing axle by clutch shaft bearing 5, be located at the arrangement of clutch that bracing or strutting arrangement drives the rotation of polishing axle of being convenient between polishing axle one end and the bracing or strutting arrangement, be located at the strigil that can stop when needed the polishing axle to rotate of the polishing axle other end, with the polishing coaxial setting of axle and be in the first interior axle 8 of arrangement of clutch lateral direction, be enclosed within the first outer shaft 11 of the first interior axle outside by the second bearing 10, with the polishing coaxial setting of axle and be in the second interior axle 9 of strigil lateral direction, be enclosed within the second outer shaft 13 of the second interior axle outside by the 3rd bearing 12, be fixed between the first outer shaft and the second outer shaft in order to contain the head box 3 of fixing described radial drive and bracing or strutting arrangement, be located at the brush 14 in order to be communicated with external circuit in the head box on the first outer shaft and/or the second outer shaft outer wall, be located at respectively on the first outer shaft and the second outer shaft outer wall in order to the 4th of supporting line body workpiece polishing mechanism, the 5th bearing 15a, 15b is located at the driven wheel 20 that the drive head box on the first outer shaft or the second outer shaft outer wall rotates; Described polishing axle, the first interior axle and the second interior axle all are provided with centre bore, pass successively in the centre bore of described wire rod by the first interior axle, polishing axle and the second interior axle; Described strigil is fixed on the second interior axle.
Referring to Fig. 3, in preferred embodiment, the inwall that the first interior axle 8 is equipped with the first pneumatic tongs 17, the first interior axles of the described wire rod 16 of clamping near the end of arrangement of clutch is provided with guide groove, lays the first tracheae that drives described the first pneumatic tongs in this guide groove; The inwall that the second interior axle 9 is equipped with the second pneumatic tongs 18, the second interior axles of the described wire rod 16 of clamping near the end of strigil is provided with guide groove, lays the second tracheae that drives described the second pneumatic tongs in this guide groove.Referring to Fig. 4, radial drive comprises: fixing described emery wheel 1 and emery wheel spinning motor 2 fixation kits 6, be fixed on the radial feed motor 7 on the described head box 3, be subjected to the ball screw 19 of radial feed motor-driven rotation, supporting and be fixed on screw mandrel slide block 27 on the fixation kit with this ball screw.Referring to Fig. 5,6, polishing axle 4 is circular tube shaped, is provided with the open slot that exposes described centre bore in the place of the described emery wheel 1 of correspondence.Arrangement of clutch comprises: can be engaged with each other and with wheel hub 28 and the propeller boss 29 of the coaxial setting of described wire rod, wherein wheel hub is fixed on the described bracing or strutting arrangement, propeller boss is fixed on described polishing axle 4 ends; Also comprise the clutch pneumatic device that the promotion polishing axle that is located at polishing axle the other end and propeller boss move horizontally; This clutch pneumatic device is fixedly connected with and is subjected to described the second tracheae to drive with the described second interior axle 9.Strigil comprises: be installed in the friction pulley 21 of the described polishing axle other end, be installed in the friction plate 22 of friction pulley radial direction, drive friction plate to friction pulley do minute/from the strigil pneumatic means that moves; This strigil pneumatic means is fixedly connected with and is subjected to described the second tracheae to drive with the described second interior axle 9.Referring to Fig. 2, the present invention also comprises: a workbench 23, be erected at two bracing frames 24 that support respectively described the 4th, the 5th bearing 15a, 15b on the table surface, be located at the revoluting motor 26 that driving-belt 25 rotating band driving wheels 20 rotate that passes through under the table surface.
Referring to Fig. 1 to 5, in the real work, under the control of digital-control circuit, emery wheel spinning motor 2 drives emery wheel 1 and rotates, and revoluting motor 26 drives the head box rotation, realizes the revolution of emery wheel coiling material, and the first interior axle 8 and the second interior axle 9 are in all the time forbids motionless state.Mobile from right to left with the wire cutting machine (not drawing among the figure) of integration of operation of the present invention traction wire rod, and will polish that a section cuts the wire rod of getting well by certain-length.When starting working, wire cutting machine traction wire rod is moved to the left, and when arriving assigned address, wire rod stops mobile, and the first pneumatic tongs 17 and the second pneumatic tongs 18 step up wire rod.The polishing axle moves cylinder 30, promoting thimble 31 is moved to the left, and then the propeller boss 29 that promotes polishing axle and end thereof meshes with wheel hub 28 left, the polishing axle rotates synchronously by arrangement of clutch and bracing or strutting arrangement and head box 3 that (effect of the axle of polishing is: when polishing to the wire rod power that provides support, in order to avoid wire rod is interrupted or is out of shape), radial feed motor 7 rotates, and the transmission by ball screw 19 and screw mandrel slide block 27 makes emery wheel 1 draw close to wire rod, and keeps certain grinding depth.Polish complete after, radial feed motor 7 counter-rotation, make emery wheel 1 leave wire rod, arrangement of clutch separates, and polishing axially moves right, strigil in the strigil pneumatic means moves cylinder 32 driving friction plates 22 and moves up, friction pulley 21 stopped stop, make the same illegal state when wire cutting machine traction wire rod (in order to avoid, the axle scratch wire rod of polishing) that is in the second interior axle 9 of polishing axle, the first pneumatic tongs 17 and the second pneumatic tongs 18 loosen wire rod, and wire cutting machine traction wire rod is moved to the left and carries out next all operation.
Above embodiment is only for illustrating non-providing constraints.Anyly do not break away from spirit of the present invention and category, and to its equivalent modifications of carrying out or change, all should be contained among the application's the claim scope.

Claims (7)

1. wire grinding mechanism, comprise emery wheel (1) and emery wheel spinning motor (2), it is characterized in that, also comprise: drive the radial drive that emery wheel and emery wheel spinning motor radially move, be located at the polishing axle (4) of the support wire rod (16) of emery wheel radial direction, support the bracing or strutting arrangement of polishing axle by clutch shaft bearing (5), be located at the arrangement of clutch that bracing or strutting arrangement drives the rotation of polishing axle of being convenient between polishing axle one end and the bracing or strutting arrangement, be located at the strigil that can stop when needed the polishing axle to rotate of the polishing axle other end, with the polishing coaxial setting of axle and be in the first interior axle (8) of arrangement of clutch lateral direction, be enclosed within first outer shaft (11) of the first interior axle outside by the second bearing (10), with the polishing coaxial setting of axle and be in the second interior axle (9) of strigil lateral direction, be enclosed within second outer shaft (13) of the second interior axle outside by the 3rd bearing (12), be fixed between the first outer shaft and the second outer shaft in order to contain the head box (3) of fixing described radial drive and bracing or strutting arrangement, be located at the brush (14) in order to be communicated with external circuit in the head box on the first outer shaft and/or the second outer shaft outer wall, be located at respectively on the first outer shaft and the second outer shaft outer wall in order to the 4th of supporting line body workpiece polishing mechanism, the 5th bearing (15a, 15b), be located at the driven wheel (20) that the drive head box on the first outer shaft or the second outer shaft outer wall rotates; Described polishing axle, the first interior axle and the second interior axle all are provided with centre bore, pass successively in the centre bore of described wire rod by the first interior axle, polishing axle and the second interior axle; Described strigil is fixed on the second interior axle.
2. wire grinding mechanism as claimed in claim 1, it is characterized in that, the described first interior axle (8) is equipped with first pneumatic tongs (17) of the described wire rod of clamping (16) near the end of arrangement of clutch, the inwall of described the first interior axle is provided with guide groove, lays the first tracheae that drives described the first pneumatic tongs in this guide groove; Second pneumatic tongs (18) of the described wire rod of clamping (16) is equipped with in the end of the close strigil of the described second interior axle (9), and the inwall of described the second interior axle is provided with guide groove, lays the second tracheae that drives described the second pneumatic tongs in this guide groove.
3. wire grinding mechanism as claimed in claim 1, it is characterized in that, described radial drive comprises: fixing described emery wheel (1) and emery wheel spinning motor (2) fixation kit (6), be fixed on the radial feed motor (7) on the described head box (3), be subjected to the ball screw (19) of radial feed motor-driven rotation, supporting and be fixed on screw mandrel slide block (27) on the fixation kit with this ball screw.
4. wire grinding mechanism as claimed in claim 1 is characterized in that, described polishing axle (4) is circular tube shaped, is provided with the open slot that exposes described centre bore in the place of the described emery wheel of correspondence (1).
5. wire grinding mechanism as claimed in claim 2, it is characterized in that, described arrangement of clutch comprises: can be engaged with each other and with wheel hub (28) and the propeller boss (29) of the coaxial setting of described wire rod, wherein wheel hub is fixed on the described bracing or strutting arrangement, and propeller boss is fixed on described polishing axle (4) end; Also comprise the clutch pneumatic device that the promotion polishing axle that is located at polishing axle the other end and propeller boss move horizontally; This clutch pneumatic device is fixedly connected with and is subjected to described the second tracheae to drive with the described second interior axle (9).
6. wire grinding mechanism as claimed in claim 2, it is characterized in that, described strigil comprises: be installed in the friction pulley (21) of the described polishing axle other end, be installed in the friction plate (22) of friction pulley radial direction, drive friction plate to friction pulley do minute/from the strigil pneumatic means that moves; This strigil pneumatic means is fixedly connected with and is subjected to described the second tracheae to drive with the described second interior axle (9).
7. wire grinding mechanism as claimed in claim 1, it is characterized in that, also comprise: a workbench (23), be erected at two bracing frames (24) of described the 4th, the 5th bearing of respectively support (15a, 15b) on the table surface, be located at the revoluting motor (26) that driving-belt (25) rotating band driving wheel (20) rotates that passes through under the table surface.
CN 201110129127 2011-05-18 2011-05-18 Wire grinding mechanism Active CN102225519B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN102225519B true CN102225519B (en) 2013-05-29

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2117219U (en) * 1991-11-02 1992-09-30 陈勇慧 Metal wire rust remover
US5901400A (en) * 1997-04-09 1999-05-11 Omni Technical Products, Inc. Brushing apparatus
CN2504006Y (en) * 2001-09-29 2002-08-07 徐兆夫 Acid-less legging descaling machine
EP1570925A1 (en) * 2004-03-01 2005-09-07 Chih-Hung Chen Automated descaling machine
CN201169628Y (en) * 2008-04-07 2008-12-24 邹柏青 Pickling-free zero discharge steel wire derusting machine
CN202129693U (en) * 2011-05-18 2012-02-01 乐利精密工业(深圳)有限公司 Wire rod buffing mechanism

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05212441A (en) * 1992-02-07 1993-08-24 Nippon Steel Weld Prod & Eng Co Ltd Brushing device for wire drawing equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2117219U (en) * 1991-11-02 1992-09-30 陈勇慧 Metal wire rust remover
US5901400A (en) * 1997-04-09 1999-05-11 Omni Technical Products, Inc. Brushing apparatus
CN2504006Y (en) * 2001-09-29 2002-08-07 徐兆夫 Acid-less legging descaling machine
EP1570925A1 (en) * 2004-03-01 2005-09-07 Chih-Hung Chen Automated descaling machine
CN201169628Y (en) * 2008-04-07 2008-12-24 邹柏青 Pickling-free zero discharge steel wire derusting machine
CN202129693U (en) * 2011-05-18 2012-02-01 乐利精密工业(深圳)有限公司 Wire rod buffing mechanism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开平5-212441A 1993.08.24

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Inventor after: Wang Guangcai

Inventor after: Song Yanli

Inventor after: Tan Shunbao

Inventor after: Wu Yupeng

Inventor before: Song Yanli

Inventor before: Tan Shunbao

Inventor before: Wu Yupeng

Inventor before: Wang Guangcai

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: SONG YANLI TAN SHUNBAO WU YUPENG WANG GUANGCAI TO: WANG GUANGCAI SONG YANLI TAN SHUNBAO WU YUPENG

TR01 Transfer of patent right
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Effective date of registration: 20211020

Address after: 518000 buildings 1101, 1, 3, 5 and 7 of Leli Precision Industry (Shenzhen) Co., Ltd., Fuhai Avenue West Road, Heping community, Fuhai street, Bao'an District, Shenzhen, Guangdong Province

Patentee after: Shenzhen LeYang Electric Wire Appliance Co.,Ltd.

Address before: 518000 Baoan District Fuyong Town, Guangdong, Shenzhen

Patentee before: LOROM PRECISION INDUSTRY (SHENZHEN) Co.,Ltd.