CN102632252A - Novel high-efficiency cross symmetric servo feed variable-frequency driving bar grooving machine - Google Patents
Novel high-efficiency cross symmetric servo feed variable-frequency driving bar grooving machine Download PDFInfo
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- CN102632252A CN102632252A CN2012100541516A CN201210054151A CN102632252A CN 102632252 A CN102632252 A CN 102632252A CN 2012100541516 A CN2012100541516 A CN 2012100541516A CN 201210054151 A CN201210054151 A CN 201210054151A CN 102632252 A CN102632252 A CN 102632252A
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- groover
- lathe tool
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
A novel high-efficiency cross symmetric servo feed variable-frequency driving bar grooving machine overcomes the shortcomings of low grooving efficiency, inaccurate grooving position and the like of a traditional grooving machine. Equally spaced V-shaped grooves are rotatably turned on a bar by symmetric cross turning tools, four turning tool fixing beams are crossly and symmetrically arranged in the circumferential direction, and 5-80 equally spaced turning tools can be mounted on each fixing beam. An alternating-current servo motor can be used for leading the turning tool fixing beams to radially advance and retreat in optional regularity by the aid of three movable small disks and an oblique mechanism. An alternating-current variable-frequency motor is used for driving and rotating the fixing beams and dozens of turning tools to simultaneously, radially and symmetrically groove a static bar positioned at a center by the aid of tool rest guide posts on four fixed large disks, and 20-320 grooves can be turned at one step. The grooving machine has the advantages of high grooving efficiency, simple structure, fine reliability, operational safety, high grooving precision and the like.
Description
One, technical field
The invention belongs to nearly clear height effect Precision Forming Technology field in the machine-building.Adopt the motionless and mode of the equidistant V-type groove of lathe tool rotary carriage system of bar; AC servo motor can obtain the advance and retreat cutter control of any rule, and alternating-current variable frequency motor can radial symmetric ground be slotted lathe tool with the rotating speed driving rotational built-in beam that can set arbitrarily and tens of simultaneously to being in the motionless bar in center.
Two, background technology
In industrial circle; Often need on bar or pipe, slot or pipe is cut off, on some accessories commonly used such as the motorcycle chain in used connecting pin, the roller in the rolling bearing, the toy making of a large amount of small electric arbors that use etc. also need use the cut-out operation.These fluting actions or cut-out action at present realizes with the old-fashioned lathe of repacking usually, and these automation degree of equipment are generally all lower, and efficient is also lower; Main is; Lathe tool is not transferred the rotation of bar or pipe during machined into; If the high speed rotating part that the length of bar or pipe more than 4-7 rice, is exposed to outside the groover will produce revolution centrifugal force because of axial bending, cause vibration and noise and cause energy loss.
In addition, fluting is that the first step of metal bar material precise blanking also is an important link, and this step is referred to as " anti-crackle design " or " fracture design ".That is to say,, should at first slot during the metal bar material blanking it in order to obtain high-quality blanking section; Purpose has two; The firstth, make bar under lower load effect, produce sufficiently high stress concentration effect, so that the generation of crackle realizes the low stress blanking at the V-type trench bottom; Second cannelure helps crackle along radially germinating and expand, thereby obtains smooth blanking section.The cutting stock problems of metal current bar extensively are present among the procedure for preparation of cold extrusion, metal bracelet pin, rolling bearing roller, bolt, pin, axle type part; And in these blanking operations; The blanking enormous amount; For example the annual metal bracelet length of producing in the township of the chain in Jinhua, Zhejiang area can reach more than one hundred million rice, and the needle roller that the Beijing Needle Bearing Factory needs every year reaches up to ten million, and the annual cold-extruded part of producing of Liaoning Jinwei Auto Motor & Apparatus Co., Ltd. need descend bar to reach 2,000,000.Therefore the grooving processes as the precise blanking first step also will cause extensive concern day by day.
In sum, the present invention proposes a kind of new servo feed frequency conversion drive bar grooving method of efficient cross symmetry, and accomplished designing and developing of its machine structural parts.
Three, summary of the invention
The objective of the invention is to, provide a kind of new and effective cross symmetry servo feed frequency conversion drive bar groover, this groover efficient height of not only slotting, and also simple in structure, easy to operate.Its critical piece comprises fluting mechanism and draws material mechanism.This groover adopts bar motionless and the mode of lathe tool rotation is operated comparatively safe.At first utilize the tension of drawing material mechanism that bar is continued during fluting; Then by the revolution built-in beam (5-80 lathe tool of equidistant layout each built-in beam on can be installed) of the main motor of Frequency Converter Control (being placed on the workbench below) through 4 symmetric arrangement of belt pulley drive, 4 fixedly big disk, 3 movable roundels, 4 thick guide pillars and 4 thin guide pillars rotate together; According to diameter, material and the fluting efficient of processed bar, regulate the rotating speed size of ac variable-frequency electric motor; AC servomotor through control cutters such as CWO125 decelerator, eccentric wheel, thrust bearing, thin guide pillar and feed inclined-planes by the computerized control size of the radial symmetric feed velocity and the depth of cut of the rule of setting; The fixing distance of being separated by between the adjacent grooving tool on each built-in beam during feed, withdrawing is realized by being installed on 4 little spring and the withdrawing springs of big disk between built-in beam that are connected in the groover two ends on the thick guide pillar.The rotational fixation beam radially moves back and forth on the built-in beam guide pillar that is installed on the big disk all the time in the work, this groover the highest can be in once sending to 320 V-type grooves of turning, therefore improved fluting efficient greatly.
To the metal bar material of different-diameter, especially type of coiling bar has designed drawing when metal bar material is slotted and has expected mechanism.During fluting, this mechanism also transmits one group one group bar to be slotted through the tension of driven by motor decelerator on the one hand constantly; On the other hand when one group of bar to be cut reaches the position of setting; When promptly reaching feeding position by the bar to be processed of AC Servo Motor Control; This mechanism can also compress bar through the bolt and nut governor motion; Effect of contraction is provided for an end of type of coiling bar, guarantees that bar receives the effect of pulling force all the time in fluting, improve the fluting quality.
Four, description of drawings
Accompanying drawing 1 is the mechanical construction drawing of the servo feed frequency conversion drive bar groover of new and effective cross symmetry of the present invention, and accompanying drawing 2 is A-A cutaway views in Fig. 1 structure; Accompanying drawing 3 is B-B cutaway views in Fig. 1 structure.
Below in conjunction with respective drawings and instance the present invention is done further detailed description.
Five, the specific embodiment
The frame for movement of new and effective bar groover is as shown in the figure.This groover is mainly by drawing material mechanism, built-in beam and four major parts such as feed arrangement, pivoting part and belt transmission and frame to constitute.Specify with regard to above-mentioned four parts respectively below.
Pivoting part and belt drive unit mainly are made up of big belt pulley (2), high order end big disk (3), thick guide pillar (4), disk broad in the middle (6), sleeve (7), pin (8), little spring (9), low order end big disk (10), built-in beam guide pillar (27), AC frequency conversion master motor (33), small belt pulley (34), conveyer belt (35) and big belt wheel pressing plate parts such as (37) in this groover.Alternating-current variable frequency motor (33) drives the small belt pulley (34) that is mounted thereon and drives big belt pulley (2) rotation through conveyer belt (35), and big belt pulley (2) is connected with high order end big disk (3) through key, and the left end of big belt pulley relies on big belt wheel pressing plate (37) location.High order end big disk (3), 2 duplicate disks broad in the middle (6) and low order end big disk (10) its axial location in grooving process immobilize, and these 4 big disks rely on 16 pins (8) (have on each big disk 4 pins respectively with every thick guide pillar) to couple together through 4 thick guide pillars (4).There are 4 built-in beam guide pillars (27) the radially-directed effect to be provided for 4 built-in beams (26,31,50,51) on each big disk respectively.Built-in beam moves around diametrically flexibly in order to realize slotting, and in each built-in beam guide pillar (27) and disk broad in the middle (6) contact site double-screw bolt is arranged all.All there is the little spring (9) of sleeve (7) and same size, same size to be connected on the every thick guide pillar (4), realizes the fast return of the fluting middle roundel in back (5) with 3 duplicate middle roundels (5).High order end big disk (3) is connected through the standing part of rolling bearing with the groover two ends respectively with low order end big disk (10).AC frequency conversion master motor (33) one starts during fluting, and 4 big disks, 4 thick guide pillars are incited somebody to action circumferentially together with 4 built-in beams of radial symmetric and rotated, and realize the round metal bar is slotted.Fluting efficient can realize through the rotating speed of ac variable-frequency electric motor (33) control pivoting part.
Built-in beam and feed arrangement are mainly by middle roundel (5) in this groover; Thin guide pillar terminal guide (11); Left side eccentric wheel (12); CWO125 decelerator (13); The right eccentric wheel (14); Clamp guide pillar (15); Guiding column length spring (16); Reducer stent (17); Right-hand member sleeve (18); The right right side tripod (19); Bearing (20); Feed joint pin (21); Guider (22); Radial thrust bearing (23); Left side, the right tripod (24); Last built-in beam (26); Thin guide pillar (28); Built-in beam promotes part (29); Feed inclined-plane (30); Following built-in beam (31); Lathe tool and coupling part (32); Withdrawing spring (36); Preceding built-in beam (51); Back built-in beam (50) and pin formations such as (52).The radial symmetric distributing position of built-in beam is arranged the form that this section adopts ladder to cut open for 4 lathe tools on same section are placed in the plane shown in the section B-B among the figure.AC servomotor (not drawing among the figure) drives key and is connected in CWO125 decelerator (13) rotation on the motor transmission shaft.This decelerator is fixed on the reducer stent (17), and it has a power shaft and two output shafts.Its power shaft connects AC servomotor; The output shaft of its right-hand member relies on key connection the right eccentric wheel (14) to rotate and then makes and clamps the right-hand member that guide pillar (15) compresses group leader's bar to be slotted, and the left end of bar relies on and draws material mechanism to strain.After having slotted, clamp guide pillar (15) and rely on guiding column length spring (16) to reset.The minor rotation of this decelerator left side output shaft also drives the key connection and the left end eccentric wheel (12) on this rotates.Under the effect of eccentric wheel (12), it is moved to the left together with the guider that is fixed with feed joint pin (21) (22) like this by means of the bearing (20) that is contained on the feed joint pin (21).Guider (22) is connected through radial thrust bearing (23) with thin guide pillar terminal guide (11); Guider (22) thrust left passes to an end through radial thrust bearing (23) and thin guide pillar terminal guide (11) and is connected in the 4 thin guide pillars (28) on the guider (22) like this, and 4 thin guide pillars connect firmly itself and 3 middle roundels (5) through pin (52).The horizontal moving belt of 4 thin guide pillars be dynamically connected roundels (5) in the middle of on it 3 be connected in the middle of built-in beam on the roundel promote partly that (29) move axially together.The built-in beam mobile built-in beam (26,31,50,51) that makes 4 radial symmetric of feed inclined-plane (30) compressing that promotes part (29) drives lathe tool and coupling part (32) to the bar feeding like this, realizes fluting.The size of the feed velocity and the depth of cut is controlled by AC servomotor.For will waiting the rod feeding groover of slotting rapidly and accurately, specialized designs right side, difform the right tripod (19) and left side, 3 duplicate the right tripod (24).Wherein there is left side, two the right tripod to be installed on the left end of groover.In addition, in order to reduce friction, 4 thick guide pillars (4) also are equipped with roller (53) with the contact portion of 3 middle roundels (5).
Draw material mechanism mainly by drawing material mechanism shell (38), asbestos board (39), compress guide pillar (40), draw material mechanism's upper end cover (41), press down bolt and nut (42), CWO80 decelerator (43), big round nut (44), going up binder sleeve (45), rolling bearing (46), binder axle (47), clamp sleeve (48) and following binder sleeve (49) etc. and form in this groover.The main internal structure of drawing material mechanism is shown in figure midship section A-A.The motor (not shown) drives key and is connected in CWO80 decelerator (43) rotation on its power transmission shaft, and the output shaft of CWO80 decelerator (43) drives key and is connected in following binder sleeve (49) rotation on this.The test bar rely on and the last binder sleeve (45) of the following binder sleeve (49) of active rotation and passive rotation between frictional force and be tightened up.Last binder sleeve (45) is supported by rolling bearing (46), and the left end of rolling bearing (46) relies on locked spacer and big round nut (44) location, and its right-hand member relies on the step part of binder axle (47) to fix.Binder axle (47) and compress interference fits between the guide pillar (40), its right-hand member is fixing through nut, packing ring and clamp sleeve (48).Draw when material, the suffered thrust of bar mainly to rely on to press down bolt and nut (42) to make to compress guide pillar (40) minute movement and then regulate the distance between binder sleeve (49) and the last binder sleeve (45) to realize downwards through binder axle (47).Distance between the two is more little, and the suffered thrust of bar is relatively just big more.Pressing down bolt and nut (42) is fixed in and draws on material mechanism's upper end cover (41).The lower end that compresses guide pillar (40) is supported by asbestos board (39), plays cushioning effect.
This groover mid frame mainly is made up of left side support and sleeve (1) and the total support of groover parts such as (25).Left side support and sleeve (1) rely on a pair of roller bearings high order end big disk (3); The total support of groover (25) is supporting and is drawing material mechanism, left side support and sleeve (1), reducer stent (17) and AC frequency conversion master motor (33) base etc.
The major technique characteristics of this groover are following: bar is motionless, the feeding of swinging multitool radial symmetric.The speed of fluting is controlled by ac variable-frequency electric motor, and the size of feed velocity, the depth of cut and slotting position are controlled by AC servomotor and worm type of reduction gearing; Can process the metal bar material of unlike material, different-diameter; Draw the material mechanism can realize bar continue send to and clamp.This groover major technology index: maximum groove depth is 4mm, and the rated speed of pivoting part is 400r/min.The bar diameter of fluting once can be accomplished the Automatic Control of 20-320 V-type tank car system process for
, minimum fluting spacing is 8.5mm.
Claims (4)
1. a new and effective bar groover is characterized in that, this groover is mainly by drawing material mechanism, built-in beam and four major parts such as feed arrangement, pivoting part and belt transmission and frame to constitute.
2. new and effective bar groover according to claim 1; It is characterized in that; Adopt mode that the motionless and symmetric arrangement of bar is cross lathe tool rotation at the bar equidistant V-type groove of system of getting on the bus; 4 lathe tool built-in beams in the cross symmetric arrangement of circumferencial direction, 4 lathe tool beams can be fixed 5～80 equally spaced lathe tools along with rotating cylinder rotates on each beam.
3. new and effective bar groover according to claim 1 and 2 is characterized in that, AC servo motor is realized the radially advance and retreat of any rule of lathe tool built-in beam through 3 mobilizable roundels and oblique mechanism; Ac variable-frequency electric motor through 4 fixedly the knife rest guide pillar driving rotational built-in beam on the big disk and tens of lathe tool simultaneously radial symmetric ground to being in the motionless bar fluting in center.
4. new and effective bar groover according to claim 1 and 2 is characterized in that, draws that the bolt and nut governor motion is used to compress bar in the material mechanism, effect of contraction is provided for an end of type of coiling bar, realize bar continue send to and clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210054151.6A CN102632252B (en) | 2012-02-24 | 2012-02-24 | Novel high-efficiency cross symmetric servo feed variable-frequency driving bar grooving machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210054151.6A CN102632252B (en) | 2012-02-24 | 2012-02-24 | Novel high-efficiency cross symmetric servo feed variable-frequency driving bar grooving machine |
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| CN102632252A true CN102632252A (en) | 2012-08-15 |
| CN102632252B CN102632252B (en) | 2014-07-30 |
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| CN201210054151.6A Expired - Fee Related CN102632252B (en) | 2012-02-24 | 2012-02-24 | Novel high-efficiency cross symmetric servo feed variable-frequency driving bar grooving machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862345A (en) * | 2014-03-21 | 2014-06-18 | 潮州三环（集团）股份有限公司 | Sleeve grooving machine and sleeve grooving method thereof |
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| GB1448361A (en) * | 1974-05-14 | 1976-09-08 | Kieserling & Albrecht | Machine tools for machining rods tubes or the like |
| US6219895B1 (en) * | 2000-06-27 | 2001-04-24 | Davenport Industries, Llc | Machine tool with servo drive mechanism |
| CN1565801A (en) * | 2003-07-04 | 2005-01-19 | 湖南一派数控设备有限公司 | Straight line servo mechanism with multiple cutter |
| CN2705248Y (en) * | 2004-04-22 | 2005-06-22 | 贵州三占集团实业有限公司 | Three knife cyclone cutting brazed pin device |
| CN2843730Y (en) * | 2005-12-15 | 2006-12-06 | 柳伟 | The tapping headstock mechanism of automatic instrument lathe |
| CN101147980A (en) * | 2006-09-18 | 2008-03-26 | 江苏亨鑫科技有限公司 | Numerically controlled machine tool vehicle processing parts rod material automatic feeding method and device |
| CN201618966U (en) * | 2010-03-31 | 2010-11-03 | 江阴天龙重工机械有限公司 | High-rigidity numerical control gantry milling and boring machine |
-
2012
- 2012-02-24 CN CN201210054151.6A patent/CN102632252B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1448361A (en) * | 1974-05-14 | 1976-09-08 | Kieserling & Albrecht | Machine tools for machining rods tubes or the like |
| US6219895B1 (en) * | 2000-06-27 | 2001-04-24 | Davenport Industries, Llc | Machine tool with servo drive mechanism |
| CN1565801A (en) * | 2003-07-04 | 2005-01-19 | 湖南一派数控设备有限公司 | Straight line servo mechanism with multiple cutter |
| CN2705248Y (en) * | 2004-04-22 | 2005-06-22 | 贵州三占集团实业有限公司 | Three knife cyclone cutting brazed pin device |
| CN2843730Y (en) * | 2005-12-15 | 2006-12-06 | 柳伟 | The tapping headstock mechanism of automatic instrument lathe |
| CN101147980A (en) * | 2006-09-18 | 2008-03-26 | 江苏亨鑫科技有限公司 | Numerically controlled machine tool vehicle processing parts rod material automatic feeding method and device |
| CN201618966U (en) * | 2010-03-31 | 2010-11-03 | 江阴天龙重工机械有限公司 | High-rigidity numerical control gantry milling and boring machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862345A (en) * | 2014-03-21 | 2014-06-18 | 潮州三环（集团）股份有限公司 | Sleeve grooving machine and sleeve grooving method thereof |
| CN103862345B (en) * | 2014-03-21 | 2017-02-08 | 潮州三环（集团）股份有限公司 | Sleeve grooving machine and sleeve grooving method thereof |
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| CN102632252B (en) | 2014-07-30 |
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