CN101125379A - Cracking connecting-rod initial stress trough two-way processing device - Google Patents
Cracking connecting-rod initial stress trough two-way processing device Download PDFInfo
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- CN101125379A CN101125379A CNA2007100305480A CN200710030548A CN101125379A CN 101125379 A CN101125379 A CN 101125379A CN A2007100305480 A CNA2007100305480 A CN A2007100305480A CN 200710030548 A CN200710030548 A CN 200710030548A CN 101125379 A CN101125379 A CN 101125379A
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- silk thread
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Abstract
The present invention discloses a dual-way machining device of the cracking connecting rod initial stress slot. One of the proposals of the present invention is that a left and a right supporting rods which are respectively provided with at least one idler pulley and pass in from one end of inner hole of the work piece and extend out from the other end; a machining thread passes from the idler pulley arranged on the left slide block to the idler pulleys arranged on the left and right supporting rods where the thread turns 180 degree and reachs the idle pulley arranged on the right slide block, conducted by the pulleys the machining thread forms two sections of working parts, i.e. a left section and a right section axially paralleling with the surface shaft of the inner hole, namely, the machining thread section between the idler pulleys and the machining thread section between the idler pulleys; the slide block are separate from each other, while the two working sections of the machining thread are also separated and close to the surface of the inner hole of the work piece; the worktable is provided with a positioning pin, and the work piece is fixed on the positioning pin by the inner hole of the work piece. Adopting a dual-way cutting device, the present invention can synchronously cut the two cracking stress slots at the symmetric positions of the surface of the inner hole, shortening the machining time; moreover, the present invention has low cost and low maintenance fare.
Description
Technical field
The present invention relates to a kind of initial stress trough two-way processing device that is used for the crank pin end pore cracking.
Background technology
In the connecting rod cracking technology, need process two stress grooves vertically in the bore area symmetric position, the general now method that adopts has broaching, laser, water jet, Wire EDM etc.Broaching layout processing stria requires point of a knife sharp, also just because of this, cutter very easily weares and teares, so the crudy instability, now is eliminated; Laser mode efficient height, steady quality, but high cost and use and maintenance cost have hindered it to apply; Whether feasible water jet grooving mode has report, is not seen in enforcement, also have a query; Wire EDM is fit to the processing stria very much, but traditional electric spark linear cutting machine is to the endoporus part of every processing of slotting, need unclamp, clamping processing silk thread once, extremely loaded down with trivial details, and inefficiency.Patent (application number 200410069638.7 is used to form the processing unit (plant) of the cracking slot of connecting rod) has proposed a kind of machine cuts device, can stretch into endoporus processing stria, but this device volume is huge, only can process the large-size hole, and two symmetrical channels order processing at twice, efficient is lower, adopts traditional mechanical processing technique in addition, tool loss is big, and crudy is difficult to guarantee.What patent (200410010821.X connecting rod initial cracking groove of engine processing unit (plant)) adopted is broaching layout, and the cutter loss is big, and dimensional accuracy is difficult to guarantee.What use is the laser grooving to patent (prefabricated splitter laser processing and equipment thereof before the 200410010722.1 connecting rod cracking subdivisions), but cost height, and notch place metal after laser irradiation fusion again cooled and solidified easily produce the hard point, cause subsequent fine process tool tipping.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, provide a kind of and need not frequently to wear silk, idle stroke weak point, control the two multiple operation section two-way simultaneous radial feeds of processing silk thread by guide wheel, time processing goes out the device of two stress symmetric grooves of cracking connecting-rod bore area.
One of technical scheme of this invention is: see the processing unit (plant) of accompanying drawing 1, comprise guide wheel 1, guide wheel 2, guide wheel 3, guide wheel 4, left and right pole 5,6, left and right slide block 7,8, guide rail 9, workbench 10, alignment pin 11, workpiece 12, processing silk thread 13, leading screw 15, left and right bearing 14,16, shaft coupling 17, motor 18; Above-mentioned left branching rod 5 is installed on the left slider, and right pole is installed on the right slide block 8; Left and right slide block 7,8 is installed on the guide rail 9, and motor 18 connects shaft coupling 17, and shaft coupling 17 connects leading screw 15, and leading screw 15 is supported by left and right bearing 14,16; The left and right pole 5 of at least one guide wheel respectively is housed, 6 ends from workpiece 12 endoporus penetrate, the other end stretches out, guide wheel 3 to the guide wheel 1 that be installed in left and right pole, the guide wheel 2 of processing silk thread 13 through being installed on the left slider commutates 180 ° to the guide wheel 4 that is installed on the right slide block, processing silk thread 13 is two sections working portions with the bore area axially parallel through about the 4 guiding back formation of guide wheel 1, guide wheel 2, guide wheel 3, guide wheel, also are processing silk thread section between guide wheel 1 and the guide wheel 3 and the processing silk thread section between guide wheel 2 and the guide wheel 4; Slide block 7,8 is separated from each other, and above-mentioned two processing silk thread sections of processing silk thread 13 also are separated from each other and close workpiece bore area; Alignment pin 11 is installed on the workbench 10, and workpiece 12 is fixed on the alignment pin 11 by the workpiece endoporus.
Two of the technical scheme of this invention is: see the processing unit (plant) of accompanying drawing 6, above-mentioned left and right pole is intersection and interconnects and be installed on the left and right slide block by joint pin.
Above-mentioned left slider 7 and right slide block 8 are driven by draught line and separate about realizing or approaching.
About being realized by cam driven, above-mentioned left slider 7 and right slide block 8 separate or approaching.
Three of the technical scheme of this invention is: sees the processing unit (plant) of accompanying drawing 8, comprises workbench 10, and alignment pin 11, workpiece 12, processing silk thread 13 is installed alignment pin 11 on the workbench 10, and workpiece 12 is fixed on the alignment pin 11 by the workpiece endoporus; Rotating shaft 140 connects motor by shaft coupling, install left slide bar 50 on the position up and down of body 160 respectively, go up right slide bar 60, bottom left slide bar 70, bottom right slide bar 80, guide wheel 101, guide wheel 102, guide wheel 103, guide wheel 104 is installed in left slide bar 50 respectively, go up right slide bar 60, bottom left slide bar 70, the end of bottom right slide bar 80, wedge 90 is installed in the body 160, cam 170 is installed in the rotating shaft 140, cam 170 promotes wedge 9 and moves up and down, extension spring 152 is installed between wedge 9 and the body 16, extension spring 150, extension spring 152 is installed in body 160 and last left slide bar 50 respectively, go up right slide bar 60, bottom left slide bar 70, between the bottom right slide bar 80; Processing silk thread 13 arrives guide wheel 104 for 180 ° through guide wheel 103 to guide wheel 101,102 commutations, processing silk thread 13 is through two sections of guide wheel 101, guide wheel 102, guide wheel 103, the guide wheel 104 guiding back formation working portion with the bore area axially parallel, also is processing silk thread section between guide wheel 101 and the guide wheel 103 and the processing silk thread section between guide wheel 102 and the guide wheel 104.
Above-mentioned alignment pin 11 its underpart boss are fixed on the workbench 10, and the external diameter of alignment pin and the size of workpiece hole are complementary, and alignment pin is left a groove vertically, and the size of groove is fit to guide wheel and passes.
The invention has the beneficial effects as follows:
1. adopt unique bi-directional cutting device, two cracking stress grooves that can synchronous cutting connecting rod bore area symmetric position have shortened process time.2. for the connecting rod endoporus in different apertures, the initial position of two processing sections of processing silk thread can be adjusted with varying aperture, as far as possible near to be processed, thereby has significantly reduced empty stroke time.3. adopt the silk thread cutting mode, slot portion frame for movement is very simple, and volume can be done very for a short time, therefore can process the small dimension connecting rod cracking stress groove of smaller aperture due.The present invention is with low cost, and use and maintenance cost is low.
Description of drawings
The two-way grooving of Fig. 1 parallel bar mechanism front view
The two-way grooving of Fig. 2 parallel bar mechanism vertical view
1,2,3,4 guide wheels wherein, 5,6, hinge bar, 7, left slider, 8, right slide block, 9, guide rail, 10, workbench, 11, alignment pin, 12, workpiece, 13, the processing silk thread, 14, left support abutment, 15, (left and right sides screw thread) leading screw, 16, right support abutment, 17, shaft coupling, 18, motor, 19, electric machine support, 20, base plate, 21, the guide rail cushion block, 22, joint pin.
Fig. 3 big end hole alignment pin front view
Fig. 4 big end hole alignment pin vertical view
Fig. 5 big end hole alignment pin mapping
The two-way grooving of Fig. 6 hinge bar mechanism front view
The two-way grooving of Fig. 7 hinge bar mechanism vertical view
The two-way grooving of Fig. 8 surface push-rod mechanism front view
The two-way grooving of Fig. 9 surface push-rod mechanism vertical view
101,102,103,104 guide wheels wherein, 50, go up left slide bar, 60, go up right slide bar, 70, bottom left slide bar, 80, the bottom right slide bar, 90, wedge, 10, workbench, 11, alignment pin, 12, workpiece, 13, processing silk thread, 152 extension springs, 140, rotating shaft, 150,151 extension springs, 160, body, 170 cams.
The specific embodiment
One of technical scheme of this invention is: see the processing unit (plant) of accompanying drawing 1,2, comprise guide wheel 1,2,3,4, left and right pole 5,6, left and right slide block 7,8, guide rail 9, workbench 10, alignment pin 11, workpiece 12, processing silk thread 13, leading screw 15, left and right bearing 14,16, shaft coupling 17, motor 18; Above-mentioned left branching rod 5 is installed on the left slider, and right pole is installed on the right slide block 8; Left and right slide block 7,8 is installed on the guide rail 9, and motor 18 connects shaft coupling 17, and shaft coupling 17 connects leading screw 15, and leading screw 15 is supported by left and right bearing 14,16; The left and right pole 5 of at least one guide wheel respectively is housed, 6 ends from workpiece 12 endoporus penetrate, the other end stretches out, guide wheel 3 to the guide wheel 1,2 that be installed in left and right pole of processing silk thread 13 through being installed on the left slider commutates 180 ° to the guide wheel 4 that is installed on the right slide block, processing silk thread 13 is two sections working portions with the bore area axially parallel through about guide wheel 1,2,3,4 guiding back formation, also are processing silk thread section between the guide wheel 1,3 and the processing silk thread section between the guide wheel 2,4; Slide block 7,8 is separated from each other, and two active sections of processing silk thread 13 also are separated from each other and close workpiece bore area; Alignment pin 11 is installed on the workbench 10, and workpiece 12 is fixed on the alignment pin 11 by the workpiece endoporus.
Two of the technical scheme of this invention is: see the processing unit (plant) of accompanying drawing 6,7, above-mentioned left and right pole is intersection and interconnects and be installed on the left and right slide block by joint pin.
Above-mentioned left slider 7 and right slide block 8 are driven by draught line and separate about realizing or approaching.
About being realized by cam driven, above-mentioned left slider 7 and right slide block 8 separate or approaching.
Three of the technical scheme of this invention is: sees the processing unit (plant) of accompanying drawing 8,9, comprises workbench 10, and alignment pin 11, workpiece 12 is installed alignment pin 11 on the workbench 10, and workpiece 12 is fixed on the alignment pin 11 by the workpiece endoporus; Rotating shaft 140 connects motor by shaft coupling, install left slide bar 50 on the position up and down of body 160 respectively, go up right slide bar 60, bottom left slide bar 70, bottom right slide bar 80, guide wheel 101,102,103,104 are installed in left slide bar 50 respectively, go up right slide bar 60, bottom left slide bar 70, the end of bottom right slide bar 80, wedge 90 is installed in the body 160, cam 170 is installed in the rotating shaft 140, cam 170 promotes wedge 9 and moves up and down, extension spring 152 is installed between wedge 9 and the body 16, extension spring 150,152 is installed in body 160 and last left slide bar 50 respectively, go up right slide bar 60, bottom left slide bar 70, between the bottom right slide bar 80; Processing silk thread 13 arrives guide wheel 104 for 180 ° through guide wheel 103 to guide wheel 101,102 commutations, processing silk thread 13 is through two sections of guide wheel 101,102,103, the 104 guiding back formation working portion with the bore area axially parallel, also is processing silk thread section between the guide wheel 101,103 and the processing silk thread section between the guide wheel 102,104.
See accompanying drawing 3,4,5 above-mentioned alignment pin 11 its underpart boss are fixed on the workbench 10, and the external diameter of alignment pin and the size of workpiece hole are complementary, and alignment pin is left a groove vertically, and the size of groove is fit to guide wheel and passes.
Claims (6)
1. a cracking connecting-rod initial stress trough two-way processing device comprises guide wheel, left and right pole, left and right slide block, guide rail, workbench, alignment pin, workpiece, processing silk thread, leading screw, left and right bearing, shaft coupling, motor; Above-mentioned left branching rod is installed on the left slider, and right pole is installed on the right slide block; Left and right slide block is installed on the guide rail, and motor connects shaft coupling, and shaft coupling connects leading screw, and leading screw is by left and right seat supports; It is characterized in that: the left and right pole that at least one guide wheel respectively is housed penetrates from an end of workpiece endoporus, the other end stretches out, guide wheel to the guide wheel that be installed in left and right pole of processing silk thread through being installed on the left slider commutates 180 ° to the guide wheel that is installed on the right slide block, the processing silk thread is two sections working portions with the bore area axially parallel through about above-mentioned guide wheel guiding back formation, also are processing silk thread section between guide wheel (1) and the guide wheel (3) and the processing silk thread section between guide wheel (2) and the guide wheel (4); Left and right slide block is separated from each other, and above-mentioned two processing silk thread sections of processing silk thread also are separated from each other and close workpiece bore area; Alignment pin is installed on the workbench, and workpiece is fixed on the alignment pin by the workpiece endoporus.
2. two-way processing device according to claim 1 is characterized in that: above-mentioned left and right pole is intersection and interconnects and be installed on the left and right slide block by joint pin.
3. the described two-way processing device of claim 1 comprises workbench, alignment pin, and workpiece, the processing silk thread is installed alignment pin on the workbench, and workpiece is fixed on the alignment pin by the workpiece endoporus; Rotating shaft connects motor by shaft coupling, it is characterized in that: install left slide bar on the position up and down of body respectively, go up right slide bar, bottom left slide bar, bottom right slide bar, the end that guide wheel is installed in left slide bar respectively, goes up right slide bar, bottom left slide bar, bottom right slide bar, wedge is installed in the body, cam is installed in the rotating shaft, cam promotes wedge and moves up and down, the extension spring of wedge of resetting is installed between wedge and the body, and the extension spring of the slide bar that resets is installed in body and last left slide bar respectively, goes up between right slide bar, bottom left slide bar, the bottom right slide bar; The guide wheel of processing silk thread through being installed in the bottom left slide bar to the guide wheel that is installed in left slide bar to the guide wheel that is installed in right slide bar commutates 180 ° to the guide wheel that is installed in the bottom right slide bar, the processing silk thread is through two sections of the above-mentioned guide wheel guiding back formation working portion with the bore area axially parallel, also is processing silk thread section between guide wheel (101) and the guide wheel (103) and the processing silk thread section between guide wheel (102) and the guide wheel (104).
4. according to the described two-way processing device of claim 1 to 3, it is characterized in that above-mentioned alignment pin its underpart boss is fixed on the workbench, the external diameter of alignment pin and the size of workpiece hole are complementary, and alignment pin is left a groove vertically, and the size of groove is fit to guide wheel and passes.
5. two-way processing device according to claim 1 and 2, it is characterized in that above-mentioned left slider and right slide block are driven by draught line separates about realizing or approaching.
6. two-way processing device according to claim 1 and 2 is characterized in that separating about above-mentioned left slider and right slide block are realized by cam driven or approaching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100305480A CN101125379B (en) | 2007-09-26 | 2007-09-26 | Cracking connecting-rod initial stress trough two-way processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100305480A CN101125379B (en) | 2007-09-26 | 2007-09-26 | Cracking connecting-rod initial stress trough two-way processing device |
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| Publication Number | Publication Date |
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| CN101125379A true CN101125379A (en) | 2008-02-20 |
| CN101125379B CN101125379B (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100305480A Expired - Fee Related CN101125379B (en) | 2007-09-26 | 2007-09-26 | Cracking connecting-rod initial stress trough two-way processing device |
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| CN (1) | CN101125379B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069248A (en) * | 2010-12-17 | 2011-05-25 | 广东工业大学 | Device for grooving surface of inner hole in workpiece |
| CN103185572A (en) * | 2011-12-27 | 2013-07-03 | 上海宝钢设备检修有限公司 | Measurement location device for edge cover of electrode plate of sheet coating unit |
| CN103240476A (en) * | 2013-05-25 | 2013-08-14 | 江苏省艾格森数控设备制造有限公司 | Electric spark punching machine for forming symmetric holes once |
| CN103240475A (en) * | 2013-05-25 | 2013-08-14 | 江苏省艾格森数控设备制造有限公司 | Electrode structure for forming symmetric holes once |
| CN104608172A (en) * | 2015-02-12 | 2015-05-13 | 刘宁 | Device for forming unidirectional or bidirectional barbs on suture lines |
| CN105108252A (en) * | 2015-09-25 | 2015-12-02 | 宜都市仝鑫精密锻造有限公司 | Device and method for machining grooves in two sides of inner hole in large end of connecting rod |
| CN107186301A (en) * | 2017-05-11 | 2017-09-22 | 广东工业大学 | One kind is inverted to be exempted to wear thread feed electric spark wire electric discharge machine |
| CN110170715A (en) * | 2019-05-24 | 2019-08-27 | 南宫市精强连杆有限公司 | A kind of linear cutting equipment suitable for the swollen disconnected stress slot processing of connecting rod |
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| CN110227868A (en) * | 2019-06-17 | 2019-09-13 | 广东工业大学 | A kind of fixture lift connecting rod groove cutting equipment |
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| CN114571251A (en) * | 2022-03-29 | 2022-06-03 | 安庆职业技术学院 | Full-automatic connecting rod high-quality cracking equipment and cracking method |
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| CN201175786Y (en) * | 2007-09-26 | 2009-01-07 | 广东工业大学 | Bidirectional processing device for initial stress groove of cleavage connecting bar |
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- 2007-09-26 CN CN2007100305480A patent/CN101125379B/en not_active Expired - Fee Related
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| CN102069248A (en) * | 2010-12-17 | 2011-05-25 | 广东工业大学 | Device for grooving surface of inner hole in workpiece |
| CN103185572A (en) * | 2011-12-27 | 2013-07-03 | 上海宝钢设备检修有限公司 | Measurement location device for edge cover of electrode plate of sheet coating unit |
| CN103240476A (en) * | 2013-05-25 | 2013-08-14 | 江苏省艾格森数控设备制造有限公司 | Electric spark punching machine for forming symmetric holes once |
| CN103240475A (en) * | 2013-05-25 | 2013-08-14 | 江苏省艾格森数控设备制造有限公司 | Electrode structure for forming symmetric holes once |
| CN103240475B (en) * | 2013-05-25 | 2015-04-29 | 江苏省艾格森数控设备制造有限公司 | Electrode structure for forming symmetric holes once |
| CN103240476B (en) * | 2013-05-25 | 2015-05-20 | 江苏省艾格森数控设备制造有限公司 | Electric spark punching machine for forming symmetric holes once |
| CN104608172B (en) * | 2015-02-12 | 2017-07-07 | 刘宁 | A kind of device that unidirectional or two-way hangnail is formed on suture |
| CN104608172A (en) * | 2015-02-12 | 2015-05-13 | 刘宁 | Device for forming unidirectional or bidirectional barbs on suture lines |
| CN105108252B (en) * | 2015-09-25 | 2017-11-10 | 宜都市仝鑫精密锻造有限公司 | A kind of big end endoporus grooves on two sides processing unit (plant) and method |
| CN105108252A (en) * | 2015-09-25 | 2015-12-02 | 宜都市仝鑫精密锻造有限公司 | Device and method for machining grooves in two sides of inner hole in large end of connecting rod |
| CN107186301A (en) * | 2017-05-11 | 2017-09-22 | 广东工业大学 | One kind is inverted to be exempted to wear thread feed electric spark wire electric discharge machine |
| CN107186301B (en) * | 2017-05-11 | 2019-04-23 | 广东工业大学 | One kind is inverted to be exempted to wear thread feed electric spark wire electric discharge machine |
| CN110170715A (en) * | 2019-05-24 | 2019-08-27 | 南宫市精强连杆有限公司 | A kind of linear cutting equipment suitable for the swollen disconnected stress slot processing of connecting rod |
| CN110202224A (en) * | 2019-05-29 | 2019-09-06 | 西安工业大学 | A kind of Electrolyzed Processing cam expanding rotation tool cathode |
| CN110202224B (en) * | 2019-05-29 | 2024-01-26 | 西安工业大学 | Cam expansion type rotary tool cathode for electrolytic machining |
| CN110385491A (en) * | 2019-06-17 | 2019-10-29 | 广东工业大学 | A kind of multistation pipeline system con-rod fracture splitting line of rabbet joint cutting equipment |
| CN110227868B (en) * | 2019-06-17 | 2020-12-29 | 广东工业大学 | Clamp lifting type connecting rod grooving equipment |
| CN110227868A (en) * | 2019-06-17 | 2019-09-13 | 广东工业大学 | A kind of fixture lift connecting rod groove cutting equipment |
| CN110614410A (en) * | 2019-09-20 | 2019-12-27 | 常州工学院 | Horizontal vibration device for dovetail groove electrolytic machining and dovetail groove machining method |
| CN110614410B (en) * | 2019-09-20 | 2020-09-01 | 常州工学院 | Horizontal vibration device for dovetail groove electrolytic machining and dovetail groove machining method |
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| CN114571251A (en) * | 2022-03-29 | 2022-06-03 | 安庆职业技术学院 | Full-automatic connecting rod high-quality cracking equipment and cracking method |
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