CN201493698U - Automatic indexing clamping device - Google Patents

Automatic indexing clamping device Download PDF

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Publication number
CN201493698U
CN201493698U CN2009203084037U CN200920308403U CN201493698U CN 201493698 U CN201493698 U CN 201493698U CN 2009203084037 U CN2009203084037 U CN 2009203084037U CN 200920308403 U CN200920308403 U CN 200920308403U CN 201493698 U CN201493698 U CN 201493698U
Authority
CN
China
Prior art keywords
calibration
indexing
clamping
cylinder
pivoted housing
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.)
Expired - Fee Related
Application number
CN2009203084037U
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Chinese (zh)
Inventor
周先忠
陈敬乾
夏丽君
王炳杰
毕可国
王冰
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.)
Tianrun Crankshaft Co Ltd
Original Assignee
Tianrun Crankshaft Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianrun Crankshaft Co Ltd filed Critical Tianrun Crankshaft Co Ltd
Priority to CN2009203084037U priority Critical patent/CN201493698U/en
Application granted granted Critical
Publication of CN201493698U publication Critical patent/CN201493698U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an automatic indexing clamping device, which comprises a driving cylinder, a driving rack, a gear ring, an indexing teleflex and an indexing disc. The indexing teleflex is arranged inside a bearing seat through a bearing, the indexing disc is formed by pairing an indexing mother disc and an indexing sub-disc, the indexing mother disc and the gear rim are arranged on the indexing teleflex, the indexing sub-disc is driven by a thin cylinder fixed on the bearing seat to move to-and-fro along the indexing teleflex so as to engage or disengage with the indexing mother disc, a manipulator base is connected with the indexing teleflex through a bolt, a pair of manipulators with arc-shaped teeth on the inner sides are arranged on the manipulator base, a locking rack is connected with a clamping cylinder through a coupling shaft, and the clamping or opening of the manipulators are controlled through the piston rod of the clamping cylinder. The automatic indexing clamping device has compact structure, reliable indexing and short clamping action time, and can realize automatic indexing, upsetting, releasing and oil hole processing of crankshafts at any angle.

Description

The automatic indexing clamping device
Technical field
The utility model relates to a kind of clamping device, the specifically a kind of automatic indexing clamping device that can realize the arbitrarily angled calibration of bent axle automatically.
Background technology
We know that in the manufacturing of bent axle, some processing and making process must clamp bent axle, so that carry out process operation.For example main bearing journal and connecting rod neck are bored oilhole, its processing needs respectively to join respectively a cover boring grab branch two procedures and finishes on two radial drilling machines.One procedure bores the straight oilhole of main shaft, another procedure bores the straight oilhole of connecting rod, because of every kind of crankshaft oil hole angle, crank spindle and connecting rod diameter require different, this just causes every kind of bent axle all to need two sleeve clamps, except versatility poor, also caused manufacturing cost height, the production cycle of anchor clamps long, problem such as clamping times is many, production efficiency is low.Particularly the locus complexity and the quantity of six-cylinder crankshaft oilhole are more, and manually pine folder, upset bent axle need be frequently carried out in processing on radial drill, and the anchor clamps of this backwardness can not satisfy on-the-spot production demand.
At present, use radial drilling machine to bore and bore the oilhole anchor clamps on the crankshaft journal, using more is the clamp mechanism of spiral and presser type.In the clamp mechanism design, eccentric wheel or spiral clamp mechanism are to use more a kind of clamp mechanism.The Eccentric Clamping Mechanism process operation is convenient, clamping is rapid, and shortcoming is that clamping force and clamping stroke are all little.Spiral clamps that mechanism structure is simple, reliable clamping, versatility are good, and because lead angle is little, and the self-locking property of spiral clamp mechanism is good, clamping force and to clamp stroke all bigger, and shortcoming is manual clamping, clamps slow motion, labour intensity is big.Along with the development of numerical control device and cutter, the processing of oilhole tended to rely on drill gun to realize in recent years, and rocking arm is drilled with the trend that steps down from the stage of history.In fact, although the rotating speed of drill gun is very high, working (machining) efficiency and radial drill are suitable.Use radial drill processing, the maintenance cost of the purchase cost of numerical control device, cutting oil and cutter is higher than radial drill far away.Equally, also there are the bent axle that overturns manually in oilhole chamfering, oilhole polishing process, and automaticity is low, the problem that labour intensity is big.
Summary of the invention
Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of compact conformation, location reliably, makes simply calibration, clamping efficiency of movement height, the automatic indexing clamping device that operator's working strength is low.
The technical scheme in the invention for solving the above technical problem is: a kind of automatic indexing clamping device, it comprises pedestal, supporting base, indexing mechanism and clamp mechanism, supporting base is fixed on the pedestal, it is characterized in that: described indexing mechanism comprises the driving cylinder, drive tooth bar, gear ring, the calibration pivoted housing, index dial, the calibration pivoted housing is installed in the endoporus of supporting base by bearing, driving cylinder is connected with the driving tooth bar, gear ring is installed in and drives on the tooth bar, index dial is composed of by the calibration stamper that is respectively equipped with the calibration tooth and calibration dish two parts, calibration stamper and gear ring connect, be installed on the calibration pivoted housing by bearing, calibration dish axially is movably arranged on the calibration pivoted housing, move forward and backward along the calibration pivoted housing by the slim cylinder drive that is fixed on the supporting base, with calibration stamper engagement or separate driving gear bar driven gear circle, index dial and calibration pivoted housing rotate realizes calibration; Described clamp mechanism comprises clamping cylinder, coupling spindle, locking rack, manipulator seat, manipulator, claw, the manipulator seat connects with the calibration pivoted housing by screw, the manipulator that pair of inside has the arc tooth is installed on it, claw and manipulator pass through screw attachment, be positioned at manipulator seat inside, with the locking rack of manipulator arc tooth engagement by coupling spindle with clamp cylinder and connect, the piston rod by the clamping cylinder stretches out or shrinks the clamping of controlling manipulator and claw or opens.
The said clamping cylinder of the utility model is fixed on the gear ring by flange, and the piston rod of clamping cylinder passes from the centre bore of gear ring, connects with locking rack by coupling spindle.
The said driving tooth bar of the utility model is installed on two guide rails, and guide rail is fixed on the pedestal.Can guarantee to drive tooth bar like this and gear ring is not offset in engagement process.
Be provided with groove in the said claw of the utility model, realize the radiai adjustment of claw position and fastening by adjustment screw.Can guarantee to realize the seamless clamping of bent axle like this, avoid producing the folder scar.
Be axially arranged with V-type rail on the said calibration pivoted housing of the utility model, the inboard V-type groove that matches that is provided with of calibration dish, calibration dish also is circumferentially with T type groove, piston rod one end that is fixed on the slim cylinder on the supporting base is movably arranged in the T type groove of calibration dish, the V-type rail that drives on the calibration pivoted housing of the sub-rim of calibration moves forward and backward, and realizes the butt joint pairing of calibration stamper and calibration dish.After the pairing, the stroke of driving gear bar driven gear circle and index dial, a calibration tooth of calibration pivoted housing rotation is realized calibration and tyre retreading function.
The utility model employing said structure, against existing technologies, reliably make simply its compact conformation, location, calibration, clamping efficiency of movement height.It is convenient to change product in process of production, and versatility is good, makes, installs simply, and processing cost is low, and the occupation of land space is little, can realize the multiple operation dual-purpose, and shorten the non-cutting time of process, has reduced operator's labour intensity.It is applicable to that the automatic indexing tyre retreading clamps bent axle, can realize the processing of the operations such as oilhole processing, chamfering, polishing and oil hole cleaning of four cylinders, six-cylinder crankshaft on conventional equipment.
Description of drawings
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model index dial syndeton schematic diagram.
1. pedestals among the figure, 2. supporting base, 3. bearing block, 4. locking rack, 5. manipulator, 6. manipulator seat, 7. coupling spindle, 8. bearing, 9. axle is with locking back-up ring, 10. index dial, 11. gear rings, 12. bearings, 13. guide rail, 14. drive cylinder, 15. flanges, and 16. clamp cylinder, 17. the driving tooth bar, 18. claws, 19. slim cylinders, 20.V type guide rail, 21. the calibration pivoted housing, 22. electromagnetic induction switch, 23 adjustment screw.
The specific embodiment
As can be seen from Figure 1, a kind of automatic indexing clamping device, it comprises pedestal 1, supporting base 2, indexing mechanism and clamp mechanism, supporting base 2 is fixed on the pedestal 1.
Described indexing mechanism comprises driving cylinder 14, drives tooth bar 17, gear ring 11, calibration pivoted housing 21, index dial 10 etc.Calibration pivoted housing 21 is installed in the endoporus of supporting base 2 by bearing 12.Calibration pivoted housing 21 is inlayed three light-duty bearings 8, and cooperates and to be installed in the endoporus of supporting base 2, and two ends are carried out spacing with bearing block 3 and axle with locking back-up ring 9 respectively.Drive cylinder 14 and be connected with driving tooth bar 17, gear ring 11 is installed in and drives on the tooth bar 17, and index dial 10 is composed of by the calibration stamper that is respectively equipped with the calibration tooth and calibration dish two parts.As shown in Figure 2.Calibration stamper and gear ring 11 connect as a whole, gear ring 11 endoporus have been installed two light-duty bearings 12, light-duty bearing 12 and calibration stamper are installed on the calibration pivoted housing 21 together, calibration dish axially is movably arranged on the calibration pivoted housing 21, drive and move forward and backward by being fixed on slim cylinder on the supporting base, with the engagement of calibration stamper or separate along the calibration pivoted housing.After the engagement butt joint, driving gear bar driven gear circle, index dial and calibration pivoted housing rotate realizes calibration.Said clamping cylinder 16 is fixed on the gear ring 11 by flange 15, and the piston rod of clamping cylinder 16 passes from the centre bore of gear ring 11, is connected with locking rack 4 by coupling spindle 7.Said driving tooth bar 17 is installed on two guide rails 13, and guide rail 13 is fixed on the pedestal 1.Can guarantee to drive tooth bar 17 so is not offset in engagement process with gear ring 11.
As shown in Figure 2, be axially arranged with V-type rail 20 on the calibration pivoted housing 21, the inboard V-type groove that matches that is provided with of calibration dish, calibration dish also is circumferentially with T type groove, piston rod one end that is fixed on the slim cylinder 19 on the supporting base 2 is movably arranged in the T type groove of calibration dish, the V-type rail that drives on the sub-rim of the calibration calibration pivoted housing 21 moves forward and backward, and realizes the butt joint pairing of calibration stamper and calibration dish.After the butt joint pairing, drive the stroke of tooth bar 17 driven gear circles 11 and index dial 10, calibration pivoted housing 21 rotation calibration teeth, realize calibration and tyre retreading function.
The utility model is by driving stretching out of cylinder 14 piston rods, calibration tooth on the promotion gear ring 11 on the calibration stamper is turned to the position of approximate next calibration tooth, after driving cylinder 14 stretches out the arrival assigned address, when just driving tooth bar 17 arrival electromagnetic induction switch 22 places, electromagnetic induction switch 22 is transferred to slim cylinder 19 with the signal that receives, and slim cylinder 19 piston rods stretch out the calibration tooth engagement that makes calibration stamper, calibration dish.Because of moving forward and backward of 20 pairs of calibration of V-type rail dish plays a part axially directed, radially spacing and flip angle correction, guarantee calibration stamper, the engagement of calibration dish calibration tooth accurately.The calibration tooth engagement of coiling when calibration stamper, calibration finishes, drive cylinder 14 and receive the contraction that actuating signal realizes piston rod, this moment, entire mechanism drove the entire mechanism upset under the acting in conjunction of gear ring 11 and driving tooth bar 17, with calibration, the upset of finishing bent axle.In drilling process, drive cylinder 14 and keep the whole system pressure stability by middle pressure type 3 position-5 way solenoid directional control valve.The between cog angle of index dial is the angle of the adjacent two oilhole center lines of the axial cutaway view of bent axle.The location profile of tooth is 60 ° an awl tooth, can compensate fit clearance.The movement travel that drives cylinder is carried out accurate Calculation according to the per tooth anglec of rotation of calibration tooth.
It can also be seen that from Fig. 1 clamp mechanism described in the utility model comprises clamping cylinder 16, coupling spindle 7, locking rack 4, manipulator seat 6, manipulator 5, claw 18 etc.Manipulator seat 6 connects the active agent that has formed entire mechanism by screw with calibration pivoted housing 21.Manipulator seat 6 usefulness studs connect installs the manipulator 5 that pair of inside has the arc tooth, manipulator seat 6 inside and locking rack 4 manipulator arc tooth engagement by coupling spindle 7 with clamp cylinder 16 and connect, the piston rod by clamping cylinder 16 stretches out or shrinks the locking of controlling manipulator 5 or opens.Claw 18 passes through screw attachment with manipulator 5.Be provided with groove in the said claw 18, realize the radiai adjustment of claw positions and fastening by adjustment screw 23.Groove in the claw 18 can be realized the radiai adjustment of claw, and 23 pairs of adjusted positions of adjustment screw are carried out fastening, guarantees to realize the seamless clamping of bent axle, avoids producing the folder scar.
Adopt three light-duty bearings 8 to support whole work systems on the utility model supporting base 2, strengthen rigidity and antivibration ability, the stability when improving system works can prolong service life of this device.The length of its inner coupling spindle 7 designs according to the extension elongation of locking rack 4, and calibration pivoted housing 21 endoporus front ends have positive stop lug boss, has avoided locking rack 4 to stretch out long and bumps against workpiece.Manipulator seat 6 front ends are provided with the rectangle aperture, not only make things convenient for the flexible of tooth bar 4, can also avoid foreign material such as iron filings to splash on manipulator and the tooth bar influence and mesh.The calibration tooth accuracy of manufacture height of the index dial 10 on the calibration pivoted housing can compensate for clearance after the engagement, has high-precision V-type rail 20 simultaneously, plays a part axially directed and the flip angle correction, can realize high-precision calibration.Determine the thrust and the pulling force of cylinder according to the weight of workpiece, guarantee to drive tooth bar 17 and will move radially the rotation that converts gear ring 11 to.The electromagnetic induction switch 22 that drives tooth bar 17 front ends has not only been realized driving cylinder 14 strokes location, has also realized the effect that signal transmits, and the assurance whole system is moved according to the logical order of design.Realize the clamping of manipulator by the contraction that clamps cylinder 16 piston rods, the pulling force that clamps cylinder in clamping process remains constant, has guaranteed the reliability that manipulator clamps.
During work, behind the startup start button, the piston rod that clamps cylinder 16 shrinks and dependence locking rack 4 and manipulator 5 realization workpiece clampings.After action is finished, driving cylinder 14 piston rods stretches out, by driving the stroke of a calibration tooth of tooth bar 17 driven gear circles 11 and calibration stamper rotation, when driving tooth bar 17 arrival electromagnetic induction switch 22 places, electromagnetic induction switch 22 is transferred to slim cylinder 19 with the signal that receives, and slim cylinder 19 piston rods stretch out the calibration tooth engagement that makes mother, calibration dish 10.Under the control of time-delay relay, driving cylinder 14 piston rods shrinks, drive tooth bar 17 driven gear circles 11 and be in the index dial revolution of engagement, realize whole work system upset, the pulling force that utilizes driving cylinder 14 to provide behind the assigned address is provided system is locked, the assurance workpiece is processed in the good environment of rigidity.After this work step process finishing, electricly will pass to slim cylinder 19 by signal, index dial calibration tooth is separated.After separating action is finished, drive cylinder 14 piston rods and stretch out, drive the rotation of tooth bar 17 driven gear circles 11 and stamper, repeat above-mentioned course of action afterwards.After processing whole work-piece, cylinder 16 piston rods stretch out and promote locking rack 4 manipulator 5 is opened, and can take out workpiece this moment.

Claims (5)

1. automatic indexing clamping device, it comprises pedestal, supporting base, indexing mechanism and clamp mechanism, supporting base is fixed on the pedestal, it is characterized in that: described indexing mechanism comprises the driving cylinder, drive tooth bar, gear ring, the calibration pivoted housing, index dial, the calibration pivoted housing is installed in the endoporus of supporting base by bearing, driving cylinder is connected with the driving tooth bar, gear ring is installed in and drives on the tooth bar, index dial is composed of by the calibration stamper that is respectively equipped with the calibration tooth and calibration dish two parts, calibration stamper and gear ring connect, be installed on the calibration pivoted housing by bearing, the sub-disk activity of calibration axially is installed on the calibration pivoted housing, drive and move forward and backward by being fixed on slim cylinder on the supporting base, with the engagement of calibration stamper or separate driving gear bar driven gear circle along the calibration pivoted housing, index dial and calibration pivoted housing rotate realizes calibration; Described clamp mechanism comprises clamping cylinder, coupling spindle, locking rack, manipulator seat, manipulator, claw, the manipulator seat connects with the calibration pivoted housing by screw, the manipulator that pair of inside has the arc tooth is installed on it, claw and manipulator pass through screw attachment, be positioned at manipulator seat inside, with the locking rack of manipulator arc tooth engagement by coupling spindle with clamp cylinder and connect, the piston rod by the clamping cylinder stretches out or shrinks the clamping of controlling manipulator and claw or opens.
2. automatic indexing clamping device according to claim 1 is characterized in that: said clamping cylinder is fixed on the gear ring by flange, and the piston rod of clamping cylinder passes from the centre bore of gear ring, connects with locking rack by coupling spindle.
3. automatic indexing clamping device according to claim 1 is characterized in that: said driving tooth bar is installed on two guide rails, and guide rail is fixed on the pedestal.
4. automatic indexing clamping device according to claim 1 is characterized in that: be provided with groove in the said claw, realize the radiai adjustment of claw position and fastening by adjustment screw.
5. automatic indexing clamping device according to claim 1, it is characterized in that: be axially arranged with V-type rail on the said calibration pivoted housing, the inboard V-type groove that matches that is provided with of calibration dish, calibration dish also is circumferentially with T type groove, piston rod one end that is fixed on the slim cylinder on the supporting base is movably arranged in the T type groove of calibration dish, the V-type rail that drives on the calibration pivoted housing of the sub-rim of calibration moves forward and backward, and realizes the butt joint pairing of calibration stamper and calibration dish.
CN2009203084037U 2009-08-20 2009-08-20 Automatic indexing clamping device Expired - Fee Related CN201493698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009203084037U CN201493698U (en) 2009-08-20 2009-08-20 Automatic indexing clamping device

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Application Number Priority Date Filing Date Title
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601630A (en) * 2012-03-09 2012-07-25 江苏中港冶金设备科技有限公司 Clamping mechanism
CN102632401A (en) * 2012-03-23 2012-08-15 施亨庆 Automatic clamping device
CN102699701A (en) * 2012-06-04 2012-10-03 扬州诚德钢管有限公司 Self-centering clamping device for hydraulic tubular column component
CN103009099A (en) * 2012-12-06 2013-04-03 四川新动脉汽车零部件制造有限公司 Rotary fixture for machining center
CN103192280A (en) * 2013-03-14 2013-07-10 瑞立集团瑞安汽车零部件有限公司 Rotary jig for multi-drill machine to synchronously process multiple procedures
CN103624566A (en) * 2013-11-07 2014-03-12 大连华根机械有限公司 Centering mechanism
CN103624610A (en) * 2013-11-07 2014-03-12 大连华根机械有限公司 Centering and positioning device
CN103921139A (en) * 2014-03-26 2014-07-16 昆山佑翔电子科技有限公司 Fixture applicable to production line
CN103962887A (en) * 2014-04-29 2014-08-06 合肥工业大学 Adjustable indexing mechanism
CN104043984A (en) * 2014-06-12 2014-09-17 浙江工业大学 Clamp for drilling
CN104551800A (en) * 2015-01-22 2015-04-29 德州德隆(集团)机床有限责任公司 Lathe clamp used for machining bent axle connecting rod neck
CN105818285A (en) * 2016-05-23 2016-08-03 上海日进机床有限公司 Silicon rod squarer
CN107350858A (en) * 2017-08-03 2017-11-17 绵阳行之智汇知识产权服务有限公司 A kind of pneumatic type is used for the diced system of mechanical post workpiece
CN107357182A (en) * 2017-08-12 2017-11-17 高飞 A kind of intelligent things net means
CN107351167A (en) * 2017-08-03 2017-11-17 绵阳行之智汇知识产权服务有限公司 A kind of mechanical post workpiece diced system
CN107971775A (en) * 2017-10-20 2018-05-01 芜湖市鸿坤汽车零部件有限公司 A kind of auto parts and components clamping device
CN108393365A (en) * 2018-03-19 2018-08-14 常熟市无缝钢管有限公司 Heading machine draw rotary machine hand
CN110039081A (en) * 2019-04-18 2019-07-23 沈立胜 A kind of numerically controlled lathe magnetic core swing ball bearing clamping device that can inhale iron filings dust

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601630A (en) * 2012-03-09 2012-07-25 江苏中港冶金设备科技有限公司 Clamping mechanism
CN102632401A (en) * 2012-03-23 2012-08-15 施亨庆 Automatic clamping device
CN102699701A (en) * 2012-06-04 2012-10-03 扬州诚德钢管有限公司 Self-centering clamping device for hydraulic tubular column component
CN103009099A (en) * 2012-12-06 2013-04-03 四川新动脉汽车零部件制造有限公司 Rotary fixture for machining center
CN103009099B (en) * 2012-12-06 2015-03-25 四川新动脉汽车零部件制造有限公司 Rotary fixture for machining center
CN103192280B (en) * 2013-03-14 2015-10-28 瑞立集团瑞安汽车零部件有限公司 The rotary jig of multi spindle drilling machine synchronous processing multiple operation
CN103192280A (en) * 2013-03-14 2013-07-10 瑞立集团瑞安汽车零部件有限公司 Rotary jig for multi-drill machine to synchronously process multiple procedures
CN103624566A (en) * 2013-11-07 2014-03-12 大连华根机械有限公司 Centering mechanism
CN103624610A (en) * 2013-11-07 2014-03-12 大连华根机械有限公司 Centering and positioning device
CN103921139A (en) * 2014-03-26 2014-07-16 昆山佑翔电子科技有限公司 Fixture applicable to production line
CN103962887A (en) * 2014-04-29 2014-08-06 合肥工业大学 Adjustable indexing mechanism
CN104043984B (en) * 2014-06-12 2017-01-18 浙江工业大学 Clamp for drilling
CN104043984A (en) * 2014-06-12 2014-09-17 浙江工业大学 Clamp for drilling
CN104551800A (en) * 2015-01-22 2015-04-29 德州德隆(集团)机床有限责任公司 Lathe clamp used for machining bent axle connecting rod neck
CN105818285A (en) * 2016-05-23 2016-08-03 上海日进机床有限公司 Silicon rod squarer
CN107350858A (en) * 2017-08-03 2017-11-17 绵阳行之智汇知识产权服务有限公司 A kind of pneumatic type is used for the diced system of mechanical post workpiece
CN107351167A (en) * 2017-08-03 2017-11-17 绵阳行之智汇知识产权服务有限公司 A kind of mechanical post workpiece diced system
CN107357182A (en) * 2017-08-12 2017-11-17 高飞 A kind of intelligent things net means
CN107971775A (en) * 2017-10-20 2018-05-01 芜湖市鸿坤汽车零部件有限公司 A kind of auto parts and components clamping device
CN108393365A (en) * 2018-03-19 2018-08-14 常熟市无缝钢管有限公司 Heading machine draw rotary machine hand
CN110039081A (en) * 2019-04-18 2019-07-23 沈立胜 A kind of numerically controlled lathe magnetic core swing ball bearing clamping device that can inhale iron filings dust

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