CN102950499A - Tool changing arm of chain-type tool storage - Google Patents

Tool changing arm of chain-type tool storage Download PDF

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Publication number
CN102950499A
CN102950499A CN2012104393570A CN201210439357A CN102950499A CN 102950499 A CN102950499 A CN 102950499A CN 2012104393570 A CN2012104393570 A CN 2012104393570A CN 201210439357 A CN201210439357 A CN 201210439357A CN 102950499 A CN102950499 A CN 102950499A
Authority
CN
China
Prior art keywords
arm body
arm
tool
cutter pawl
cutter
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.)
Withdrawn
Application number
CN2012104393570A
Other languages
Chinese (zh)
Inventor
盛永
范铭
童卓群
陆秉贤
吴海
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.)
Ningbo Haimaike Precision Machinery Manufacturing Co Ltd
Original Assignee
Ningbo Haimaike Precision Machinery Manufacturing 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 Ningbo Haimaike Precision Machinery Manufacturing Co Ltd filed Critical Ningbo Haimaike Precision Machinery Manufacturing Co Ltd
Priority to CN2012104393570A priority Critical patent/CN102950499A/en
Publication of CN102950499A publication Critical patent/CN102950499A/en
Withdrawn legal-status Critical Current

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Abstract

The invention discloses a tool changing arm of a chain-type tool storage. The tool changing arm comprises an arm body, wherein the arm body is provided with a center body; structures positioned on the left and right sides of the center hole of the arm body are symmetrical and the same; the front and rear side faces of the arm body are internally and respectively provided with a tool claw cavity, and the tool claw cavities are symmetrical relative to the central line of the arm body and are internally hinged with tool claws; and the arm body is internally provided with a mechanical clamping mechanism. The tool changing arm is characterized in that the arm body is internally provided with an oil-pressure clamping mechanism, and the tool claw cavities are internally provided with tool claw spacing mechanisms. The tool changing arm has the following advantages: the arm body is internally provided with the oil-pressure clamping mechanism, and the oil-pressure clamping mechanism is additionally arranged on the basis of a traditional mechanical clamping mechanism, so that the tool clamping stability is ensured, and when large-diameter and high-weight tools are clamped, the tools can be prevented from falling on the scene. The arm body is provided with a tool changing arm locating mechanism, so that during the tool changing process, the inclination caused by the condition that the tool changing arm cannot rotate to a proper position can be prevented, and processing accidents can be avoided.

Description

A kind of tool change arm of magazine
Technical field
The present invention relates to the chain type tool magazine on the Digit Control Machine Tool, relate in particular to a kind of tool change arm of magazine.
Background technology
The magazine system is an assembly of horizontal Machining centers and gantry machining center on the Digit Control Machine Tool, and its appearance has changed the operating mode that in the past needs manual tool changing, changes by computer program and automatically controls tool changing, has improved production efficiency.
And along with complicated, the precise treatment of processing work, often need to use the cutter that some diameters are large, quality is heavy, but existing tool change arm is behind the cutter of clamping major diameter, heavy amount, just rely on frame for movement to clamp, because cutter is when being held, the torque that produces is large, causes it easily to fall cutter.In addition, when the tool changing stroke was longer, required tool change arm also needed to lengthen, and during tool changing, easily produced the torque that tool change arm bears and surpassed the scope that system oil pressure can bear, and causes the not in place and run-off the straight of tool change arm rotation, and then the processing accident occurs.
Summary of the invention
Technical problem to be solved by this invention provides a kind of when holding cutter, can prevent the tool change arm of the magazine of cutter phenomenon.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of tool change arm of magazine, comprise the arm body, be provided with centre bore on the described arm body, be positioned at the symmetrical configuration of the described centre bore left and right sides and identical on the described arm body, before the described arm body, be respectively arranged with in latter two side along the symmetrical cutter pawl chamber of the center line of described arm body, described cutter pawl is connected with the cutter pawl in the chamber, be provided with mechanical grip mechanism in the described arm body, be provided with the oil pressure clamp mechanism in the described arm body, described cutter pawl is provided with cutter pawl position-limit mechanism in the chamber.
Described oil pressure clamp mechanism comprise holddown spring and be arranged in the described arm body with perpendicular oil pressure chamber, described cutter pawl chamber, described holddown spring is arranged in the described oil pressure chamber, the two ends of described holddown spring are respectively arranged with piston, described piston and described oil pressure chamber sealed sliding are movingly, the end of described piston withstands on the inner face of cutter pawl of its respective side, be provided with the logical oil groove that is connected with described oil pressure chamber in the described arm body, be provided with oil-in on the described logical oil groove.
Described mechanical grip mechanism comprises the lock of step, back-moving spring and the mechanical grip hole that is arranged on the step in the described arm body, described lock is arranged in the described mechanical grip hole and stretches out described mechanical grip hole, the both sides of described lock are respectively arranged with spacer pin, described spacer pin stretches out described arm body and inserts in the described cutter pawl, described back-moving spring is arranged in the described lock, the end of described back-moving spring is provided with cover plate, described cover plate is fixedly connected with described arm body, is provided with the first axle sleeve between described lock and the described mechanical grip hole.
Described cutter pawl position-limit mechanism comprises the cutter pawl bayonet lock that is plugged in the described cutter pawl chamber, and described cutter pawl bayonet lock is positioned at the outside of described cutter pawl.
Described cutter pawl position-limit mechanism comprises stop screw and the second axle sleeve, be provided with connecting hole on the described cutter pawl, described the second axle sleeve passes described arm body and described connecting hole, described stop screw passes described the second axle sleeve and described arm body bolt, is provided with the gap between described connecting hole and described the second axle sleeve.
Be provided with the tool change arm detent mechanism on the described arm body.
Described tool change arm detent mechanism comprises backstay and briquetting, described briquetting is fixedly mounted on the tool changing body of magazine, described backstay is fixedly mounted on the described briquetting, the position of described briquetting is corresponding with the position of described mechanical grip mechanism, be provided with locating hole on the described arm body, be provided with the 3rd axle sleeve in the described locating hole, described backstay and described the 3rd axle sleeve are slidingly matched.
The front end center position of described arm body is fixedly installed the cutter spacing piece.
Compared with prior art, advantage of the present invention is owing to being provided with the oil pressure clamp mechanism in the arm body, it has increased the oil pressure clamp mechanism again on the basis of traditional mechanical grip mechanism, guaranteed the stability of cutter holding, when the cutter of clamping major diameter, heavy amount, can prevent the cutter scene; Owing to being provided with the tool change arm detent mechanism on the arm body, when tool changing, can prevent from avoiding occuring the processing accident because of the tool change arm rotation inclination that occurs not in place again; In addition, because the front end center position of arm body is fixedly installed the cutter spacing piece, can prevent that cutter from rotating in the process that is held.
Description of drawings
Fig. 1 is perspective view of the present invention;
Fig. 2 is decomposing schematic representation of the present invention;
Fig. 3 is the present invention under button cutter state is contained in view in the magazine;
Fig. 4 is the cutaway view of the present invention when button cutter state;
Fig. 5 is the structural representation of the mechanical grip mechanism of the present invention when button cutter state;
Fig. 6 is the structural representation of the mechanical grip mechanism of the present invention when folder cutter state.
The specific embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
As shown in the figure, a kind of tool change arm of magazine, comprise arm body 1, be provided with centre bore 11 on the arm body 1, be positioned at the symmetrical configuration of centre bore 11 left and right sides and identical on the arm body 1, before the arm body 1, be respectively arranged with in latter two side along the symmetrical cutter pawl chamber 12 of the center line of arm body 1, be connected with cutter pawl 2 in the cutter pawl chamber 12, be respectively arranged with mechanical grip mechanism and oil pressure clamp mechanism in the arm body 1, mechanical grip mechanism comprises the lock 3 of step, back-moving spring 31 and the mechanical grip hole 13 that is arranged on the step in the arm body 1, lock 3 is arranged in the mechanical grip hole 13 and stretches out mechanical grip hole 13, the both sides of lock 3 are respectively arranged with spacer pin 32, spacer pin 32 cantilever arm bodies 1 insert in the cutter pawl 2, back-moving spring 31 is arranged in the lock 3, the end of back-moving spring 31 is provided with cover plate 33, cover plate 33 is fixedly connected with arm body 1, be provided with the first axle sleeve 34 between lock 3 and the mechanical grip hole 13, the oil pressure clamp mechanism comprise holddown spring 4 and be arranged in the arm body 1 with perpendicular oil pressure chamber 14, cutter pawl chamber 12, holddown spring 4 is arranged in the oil pressure chamber 14, the two ends of holddown spring 4 are respectively arranged with piston 41, piston 41 and oil pressure chamber 14 sealed sliding are movingly, the end of piston 41 withstands on the inner face of cutter pawl 2 of its respective side, be provided with the logical oil groove 15 that is connected with oil pressure chamber 14 in the arm body 1, be provided with oil-in 16 on the logical oil groove 15, be plugged with cutter pawl bayonet lock 17 in the cutter pawl chamber 12, cutter pawl bayonet lock 17 is positioned at the outside of cutter pawl 2, be provided with connecting hole 21 on the cutter pawl 2, the second axle sleeve 22 passes arm body 1 and connecting hole 21, stop screw 23 passes the second axle sleeve 22 and arm body 1 bolt, be provided with the gap between connecting hole 21 and the second axle sleeve 22, be provided with the tool change arm detent mechanism on the arm body 1, the tool change arm detent mechanism comprises backstay 5 and briquetting 6, briquetting 6 is fixedly mounted on the tool changing body 7 of magazine, backstay 5 is fixedly mounted on the briquetting 6, the position of briquetting 6 is corresponding with the position of lock 3, be provided with locating hole 18 on the arm body 1, be provided with the 3rd axle sleeve 19 in the locating hole 18, backstay 5 and the 3rd axle sleeve 19 are slidingly matched, and the front end center position of arm body 1 is fixedly installed cutter spacing piece 8.
In above-described embodiment, tool changing of the present invention, folder cutter process is: the cylinder body of the two-way cylinder 9 in arm body 1 and the magazine is fixedly connected with, the driving shaft 91 of two-way cylinder 9 passes the centre bore 11 on the arm body 1, driving shaft 91 is fixedly connected with tool changing body 7 in the magazine, when preparation button cutter, under the driving of two-way cylinder 9, cylinder body moves up and is with swing arm body 1 to move up together, at this moment, backstay 5 passes the 3rd axle sleeve 19 in the locating hole 18, briquetting 6 is pushed down lock 3 downwards simultaneously, make back-moving spring 31 compressed, spacer pin 32 is in free state, and namely cutter pawl 2 can be in the 12 interior rotations of cutter pawl chamber, and because the position-limiting action of cutter pawl bayonet lock 17, can prevent that cutter pawl 2 is out of round and can't buckle cutter between the end that causes two cutter pawls 2 under the effect of holddown spring 4; Then, tool changing body 7 moves along guideway 71, drives whole tool change arm mobile together, finishes the button cutter of cutter 10; Then, two-way cylinder 9 drives cylinder body and moves down, and band swing arm body 1 moves down together, in the process that moves down, cutter 10 is extracted from tool magazine, simultaneously, arm body 1 is away from briquetting 6, and lock 3 resets under the effect of back-moving spring 31 gradually, at this moment, thereby spacer pin 32 is pushed to both sides and compresses cutter pawl 2, reaches the mechanical grip state of cutter 10, and backstay 5 also breaks away from locating hole 18 gradually simultaneously; Then, by oil-in 16 oil-feed in the logical oil groove 15, fluid flows into oil pressure chamber 14 and pushing piston 41 to two side compression cutter pawls 2, reaches the oil pressure clamped condition of cutter, and final so that cutter pawl 2 complete clamp-on tools 10; Then, with whole tool change arm Rotate 180 °, then two-way cylinder 9 driving cylinder bodies move up, and band swing arm body 1 moves up, at this moment, backstay 5 passes the locating hole 18 that is arranged in centre bore 11 other sides, so that tool change arm can accurately insert cutter 10 in the tool bore of machining center, then, the fluid in the oil pressure chamber 14 is carried out oil return, briquetting 6 on the tool changing body 7 is pushed down lock 3 again downwards, makes whole tool change arm return to preparation button cutter state.

Claims (8)

1. the tool change arm of a magazine, comprise the arm body, be provided with centre bore on the described arm body, be positioned at the symmetrical configuration of the described centre bore left and right sides and identical on the described arm body, be respectively arranged with in former and later two sides of described arm body along the symmetrical cutter pawl chamber of the center line of described arm body, described cutter pawl is connected with the cutter pawl in the chamber, be provided with mechanical grip mechanism in the described arm body, it is characterized in that being provided with the oil pressure clamp mechanism in the described arm body, described cutter pawl is provided with cutter pawl position-limit mechanism in the chamber.
2. the tool change arm of a kind of magazine as claimed in claim 1, it is characterized in that described oil pressure clamp mechanism comprise holddown spring and be arranged in the described arm body with perpendicular oil pressure chamber, described cutter pawl chamber, described holddown spring is arranged in the described oil pressure chamber, the two ends of described holddown spring are respectively arranged with piston, described piston and described oil pressure chamber sealed sliding are movingly, the end of described piston withstands on the inner face of cutter pawl of its respective side, be provided with the logical oil groove that is connected with described oil pressure chamber in the described arm body, be provided with oil-in on the described logical oil groove.
3. the tool change arm of a kind of magazine as claimed in claim 1, it is characterized in that described mechanical grip mechanism comprises the lock of step, back-moving spring and the mechanical grip hole that is arranged on the step in the described arm body, described lock is arranged in the described mechanical grip hole and stretches out described mechanical grip hole, the both sides of described lock are respectively arranged with spacer pin, described spacer pin stretches out described arm body and inserts in the described cutter pawl, described back-moving spring is arranged in the described lock, the end of described back-moving spring is provided with cover plate, described cover plate is fixedly connected with described arm body, is provided with the first axle sleeve between described lock and the described mechanical grip hole.
4. the tool change arm of a kind of magazine as claimed in claim 1 is characterized in that described cutter pawl position-limit mechanism comprises the cutter pawl bayonet lock that is plugged in the described cutter pawl chamber, and described cutter pawl bayonet lock is positioned at the outside of described cutter pawl.
5. such as the tool change arm of claim 1 or 4 described a kind of magazines, it is characterized in that described cutter pawl position-limit mechanism comprises stop screw and the second axle sleeve, be provided with connecting hole on the described cutter pawl, described the second axle sleeve passes described arm body and described connecting hole, described stop screw passes described the second axle sleeve and described arm body bolt, is provided with the gap between described connecting hole and described the second axle sleeve.
6. the tool change arm of a kind of magazine as claimed in claim 1 is characterized in that being provided with the tool change arm detent mechanism on the described arm body.
7. the tool change arm of a kind of magazine as claimed in claim 6, it is characterized in that described tool change arm detent mechanism comprises backstay and briquetting, described briquetting is fixedly mounted on the tool changing body of magazine, described backstay is fixedly mounted on the described briquetting, the position of described briquetting is corresponding with the position of described mechanical grip mechanism, be provided with locating hole on the described arm body, be provided with the 3rd axle sleeve in the described locating hole, described backstay and described the 3rd axle sleeve are slidingly matched.
8. the tool change arm of a kind of magazine as claimed in claim 1 is characterized in that the front end center position of described arm body is fixedly installed the cutter spacing piece.
CN2012104393570A 2012-11-06 2012-11-06 Tool changing arm of chain-type tool storage Withdrawn CN102950499A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012104393570A CN102950499A (en) 2012-11-06 2012-11-06 Tool changing arm of chain-type tool storage

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Application Number Priority Date Filing Date Title
CN2012104393570A CN102950499A (en) 2012-11-06 2012-11-06 Tool changing arm of chain-type tool storage

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103433784A (en) * 2013-06-28 2013-12-11 宁波海天精工股份有限公司 Automatic mounting and dismounting structure for machine tool reducing sleeve
CN104084951A (en) * 2014-07-02 2014-10-08 成都飞机工业(集团)有限责任公司 Elastic buffering fixing cutter clamp for robot
CN104259913A (en) * 2014-08-29 2015-01-07 许博 Automatic tool changing device of simple numerical control machine center
CN104690586A (en) * 2015-04-07 2015-06-10 江苏恒力组合机床有限公司 Interlocking type tool changing mechanical arm device
CN106271791A (en) * 2015-05-14 2017-01-04 安徽省临泉县智创精机有限公司 A kind of jig arm servo tilting direct connection tool magazine
WO2017113318A1 (en) * 2015-12-31 2017-07-06 深圳配天智能技术研究院有限公司 Automatic tool change method and numerically controlled machine tool
CN107803542A (en) * 2017-11-30 2018-03-16 重庆威斯壮智能科技有限公司 The CNC milling machine cutter claw that a kind of elasticity is set
CN108044389A (en) * 2017-12-12 2018-05-18 蔡江明 A kind of numerically-controlled machine tool for being conveniently replaceable cutter
CN108296846A (en) * 2018-03-02 2018-07-20 宁波海天精工股份有限公司 A kind of button blade mechanical arm
CN112171348A (en) * 2020-08-28 2021-01-05 襄阳华中科技大学先进制造工程研究院 Automatic tool fetching and storing device
CN114367695A (en) * 2022-03-03 2022-04-19 沧州德安防爆特种工具制造有限公司 Tool changing device for machining explosion-proof wrench and milling machine
CN114406785A (en) * 2021-12-29 2022-04-29 阿尔法(江苏)重工科技有限公司 Multi-axis linkage type numerical control gantry machining center machine

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DD149331A1 (en) * 1980-03-03 1981-07-08 Guenter Pachnicke DEVICE FOR SELF-EASY INSTALLATION AND REMOVAL OF TOOLS
JPS57144641A (en) * 1981-03-03 1982-09-07 Hitachi Seiki Co Ltd Machine tool
SU1567351A1 (en) * 1987-02-20 1990-05-30 Гомельский Станкостроительный Завод Им.С.М.Кирова Two-grip mechanical arm
CN2873404Y (en) * 2005-12-16 2007-02-28 大连机床集团有限责任公司 Directly taking type disc type cutter storehouse
CN201161346Y (en) * 2007-05-31 2008-12-10 孙颖 Blade disc power source positioning structure for hole drilling tapping machine
CN201300326Y (en) * 2008-09-08 2009-09-02 大连首轮机械工业有限公司 Synchronous displacement tool change mechanism for locking air cylinder, torsion spring, curved bearing and tool claw
CN201419333Y (en) * 2009-05-04 2010-03-10 殷敬精密工业有限公司 Automatic tool changing structure of machine tool
KR20110071175A (en) * 2009-12-21 2011-06-29 두산인프라코어 주식회사 Automatic tool changer of the machine tool
CN202964224U (en) * 2012-11-06 2013-06-05 宁波海迈克精密机械制造有限公司 Tool changing arm for chain-type tool changer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD149331A1 (en) * 1980-03-03 1981-07-08 Guenter Pachnicke DEVICE FOR SELF-EASY INSTALLATION AND REMOVAL OF TOOLS
JPS57144641A (en) * 1981-03-03 1982-09-07 Hitachi Seiki Co Ltd Machine tool
SU1567351A1 (en) * 1987-02-20 1990-05-30 Гомельский Станкостроительный Завод Им.С.М.Кирова Two-grip mechanical arm
CN2873404Y (en) * 2005-12-16 2007-02-28 大连机床集团有限责任公司 Directly taking type disc type cutter storehouse
CN201161346Y (en) * 2007-05-31 2008-12-10 孙颖 Blade disc power source positioning structure for hole drilling tapping machine
CN201300326Y (en) * 2008-09-08 2009-09-02 大连首轮机械工业有限公司 Synchronous displacement tool change mechanism for locking air cylinder, torsion spring, curved bearing and tool claw
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KR20110071175A (en) * 2009-12-21 2011-06-29 두산인프라코어 주식회사 Automatic tool changer of the machine tool
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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103433784A (en) * 2013-06-28 2013-12-11 宁波海天精工股份有限公司 Automatic mounting and dismounting structure for machine tool reducing sleeve
CN103433784B (en) * 2013-06-28 2015-09-02 宁波海天精工股份有限公司 A kind of automatic disassembly and assembly structure of lathe drill holder
CN104084951A (en) * 2014-07-02 2014-10-08 成都飞机工业(集团)有限责任公司 Elastic buffering fixing cutter clamp for robot
CN104259913A (en) * 2014-08-29 2015-01-07 许博 Automatic tool changing device of simple numerical control machine center
CN104690586A (en) * 2015-04-07 2015-06-10 江苏恒力组合机床有限公司 Interlocking type tool changing mechanical arm device
CN106271791A (en) * 2015-05-14 2017-01-04 安徽省临泉县智创精机有限公司 A kind of jig arm servo tilting direct connection tool magazine
WO2017113318A1 (en) * 2015-12-31 2017-07-06 深圳配天智能技术研究院有限公司 Automatic tool change method and numerically controlled machine tool
CN107708922A (en) * 2015-12-31 2018-02-16 深圳配天智能技术研究院有限公司 A kind of automatic tool changer method and Digit Control Machine Tool
CN107803542A (en) * 2017-11-30 2018-03-16 重庆威斯壮智能科技有限公司 The CNC milling machine cutter claw that a kind of elasticity is set
CN108044389A (en) * 2017-12-12 2018-05-18 蔡江明 A kind of numerically-controlled machine tool for being conveniently replaceable cutter
CN108044389B (en) * 2017-12-12 2020-04-17 南通杰卡博工程机械有限公司 Numerical control machine tool convenient for replacing cutter
CN108296846A (en) * 2018-03-02 2018-07-20 宁波海天精工股份有限公司 A kind of button blade mechanical arm
CN112171348A (en) * 2020-08-28 2021-01-05 襄阳华中科技大学先进制造工程研究院 Automatic tool fetching and storing device
CN114406785A (en) * 2021-12-29 2022-04-29 阿尔法(江苏)重工科技有限公司 Multi-axis linkage type numerical control gantry machining center machine
CN114367695A (en) * 2022-03-03 2022-04-19 沧州德安防爆特种工具制造有限公司 Tool changing device for machining explosion-proof wrench and milling machine
CN114367695B (en) * 2022-03-03 2023-01-20 沧州德安防爆特种工具制造有限公司 Tool changing device for machining explosion-proof wrench and milling machine

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Application publication date: 20130306