CN108406318A - A kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body - Google Patents

A kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body Download PDF

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Publication number
CN108406318A
CN108406318A CN201810333382.8A CN201810333382A CN108406318A CN 108406318 A CN108406318 A CN 108406318A CN 201810333382 A CN201810333382 A CN 201810333382A CN 108406318 A CN108406318 A CN 108406318A
Authority
CN
China
Prior art keywords
tool
milling
seat
valve body
drilling
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.)
Granted
Application number
CN201810333382.8A
Other languages
Chinese (zh)
Other versions
CN108406318B (en
Inventor
谢建泉
刘剑
叶晓俊
薛辉
徐兰香
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.)
ZHEJIANG BOWEI AUTO AIR-CONDITIONER Co Ltd
Original Assignee
ZHEJIANG BOWEI AUTO AIR-CONDITIONER 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 ZHEJIANG BOWEI AUTO AIR-CONDITIONER Co Ltd filed Critical ZHEJIANG BOWEI AUTO AIR-CONDITIONER Co Ltd
Priority to CN201810333382.8A priority Critical patent/CN108406318B/en
Publication of CN108406318A publication Critical patent/CN108406318A/en
Application granted granted Critical
Publication of CN108406318B publication Critical patent/CN108406318B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools

Abstract

The invention discloses a kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body, including rack and the upper frame in the frame top is set, sliding is equipped with the fixture for clamping valve in the rack, the upper frame is equipped with the drill milling mechanism being processed to valve body in fixture, compared with prior art, the present invention enables to replace drill mill tool during drilling and milling, convenient for the machine-shaping of valve body internal cavity, change the working method of traditional artificial replacement, improves processing efficiency.

Description

A kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body
【Technical field】
The present invention relates to the technical fields of valve process equipment, especially a kind of to be processed into for multi-step cavity in valve body The drilling-milling apparatus of type.
【Background technology】
Electric vehicle has the characteristics that pollution-free, noise is low, energy utilization rate is high and energy derives from a wealth of sources, mature Vehicle technology, be advantageously implemented country the strategy of sustainable development.
Currently, the major function of the air-conditioning system of electric vehicle is to adjust vehicle interior temperature, especially reduced in hot summer Vehicle interior temperature.Summer, which reduces vehicle interior temperature function, is completed by refrigeration system, and expansion valve is also particularly important in refrigeration system Component part, existing configuration expansion valve in refrigeration systems is made of, wherein head cover top is connected with inflation valve body Process duct, head cover are connected as one with bottom cover, and bottom cover is connect with temperature sensing package, and temperature sensing package is connected through a screw thread with valve body;In valve body Equipped with for the liquid refrigerant that need to be depressurized that circulates high-pressure refrigerant flow path and for the low voltage refrigeration for the gaseous refrigerant that circulates Agent flow path;Steel ball is mutually welded with steel ball and spring seat, and the two keeps concentric, and balancing spring, steel ball are equipped between ball seat and adjustable column Spring base is connected through a screw thread with ball seat, and centre is equipped with O-ring, and steel ball and spring seat is connect with temperature sensing package by drive link, is adjusted Column is fixed by screws in the bottom of valve body.
Therefore it needs to bore in valve body using drilling-milling apparatus when being processed valve body and mill out for accommodating temperature sensing package, passing The cavity of the devices such as lever so that the step being differently formed with multiple apertures in the cavity, and the brill milling tool of the prior art The cavity can not be made to be processed and formed at one time, need not stop to replace drill mill tool, so that process safety degree is low, Er Qiegong It is relatively low to make efficiency.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, is proposed a kind of for multi-step cavity processing in valve body Molding drilling-milling apparatus enabled to replace drill mill tool during drilling and milling, convenient for adding for valve body internal cavity Work is molded, and improves processing efficiency.
To achieve the above object, the present invention proposes a kind of brill milling dress for multi-step cavity machine-shaping in valve body Set, including rack and the upper frame in the frame top be set, in the rack sliding be equipped with the fixture for clamping valve, institute It states upper frame and is equipped with the drill milling mechanism being processed to valve body in fixture, it is characterised in that:The fixture includes that sliding setting exists Rotation seat in the rack and the clamping fixture seat being rotatably arranged on the rotation seat offer on the clamping fixture seat several to folder Slot, the clip slot top are equipped with intermediate plate, and the intermediate plate is connect with the gripper cylinder being fixed on the clamping fixture seat, the clamping gas Cylinder can drive the intermediate plate to be moved to clip slot to clamp valve body to be processed, and the drill milling mechanism includes being vertically arranged in the top Slideway on frame and reciprocal elevating movement and the brill milling seat for installing drill mill tool can be done along the slideway, on the brill milling seat Equipped with the brill milling motor for driving the drill mill tool rotation, the tool magazine for holding drill mill tool is equipped in the footstock, it is described Tool magazine, which is located at, bores milling seat side, tool changing frame is equipped between the tool magazine and brill milling seat, the tool changing frame is rotatably installed on upper frame And connect with tool changing motor, tool changing frame one end extends to the going out below the edge of a knife of tool magazine, and the other end extends to the peace for boring milling seat Fill below mouth, the tool changing motor can drive it is described change blade holder turns so that by the drill mill tool installation of tool magazine to boring on milling seat.
Preferably, the clip slot side is equipped with the guide plate that upwardly extends, rotate the clamping fixture seat can make the guide plate with Rack is parallel, and the rack is equipped with the automatic feed mechanism that valve body can be conveyed to the clip slot.
Preferably, the automatic feed mechanism includes being located at rack side to be equipped with vibration feeding disk and mechanical arm, it is described The discharge port of vibration feeding disk is located at the top of clip slot, and holder, the holder are provided between the vibration feeding disk and fixture Upper rotation is equipped with the driving band that clip slot is extended to from discharge port, and rotating the driving band can be such that the mechanical arm is moved along driving band Dynamic, the mechanical arm bottom is equipped with openable and closable pincers hand.
Preferably, the pincers hand includes the clamp block for being connected to the mechanical arm bottom and the left side being arranged in the clamp block Clamp hand, the clamp block is equipped with sliding slot, is equipped with right pincers hand in the sliding slot, the right pincers hand be fixed on opening in the clamp block Cylinder connection is closed, the folding cylinder can drive the right pincers hand to be slided along sliding slot, so that right pincers hand and left pincers hand close up.
Preferably, the interior rotation of the tool magazine is equipped with rotating disc, offered on the rotating disc several for brill milling to be clamped The cutter groove of cutter, the drill mill tool are fixed in divergent shape on the rotating disc, and the center of the rotating disc is equipped with out knife group Part, it is described go out knife assembly can drive the drill mill in the cutter groove tool stretched out from tool magazine.
Preferably, it is described go out knife assembly include knife cylinder and can by drill mill have draw magnet, it is described go out knife gas Cylinder is arranged at the center of rotating disc, the magnet be arranged it is described go out knife cylinder piston rod on, it is described go out knife cylinder can drive The drill mill tool is stretched out from tool magazine.
Preferably, the installing port for going out the edge of a knife, boring milling seat and tool changing motor of the tool magazine are located along the same line, institute The distance for stating installing port to the tool changing motor for going out the edge of a knife, boring milling seat of tool magazine is equal.
Preferably, the both ends of the tool changing frame offer the clamp port that drill mill tool can be clamped, the tool changing frame is rotated The clamp port at both ends can be made to pass through the lower section of the installing port for going out the edge of a knife and boring milling seat of tool magazine respectively.
Preferably, the rack is equipped with a pair of of sliding rail, the rotation seat is slidably mounted in the sliding rail, slides institute Stating rotation seat can be such that clip slot and the discharge port of the vibration feeding disk is aligned.
Beneficial effects of the present invention:The present invention will be carried out using the clamping fixture seat for rotating setting and with clip slot and intermediate plate Drilling and milling is gripped at the strip metal of valve body, and after clamping fixture seat rotates, is enabling to the metal of strip just To drill milling mechanism, to carry out the drilling and milling of penetration state to it, the various drill mills needed for valve body processing are held by tool magazine Tool changes blade holder turns using the driving of tool changing motor so that going out drill mill tool below the edge of a knife and can be moved to brill milling positioned at tool magazine On the installing port of seat, reach the replacement that drill mill tool is carried out during drilling and milling, compared with prior art, the present invention can So that being replaced to drill mill tool during drilling and milling, it is convenient for the machine-shaping of valve body internal cavity, changes traditional artificial The working method of replacement improves processing efficiency.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is the structural schematic diagram of the present invention;
Fig. 2 is the structural schematic diagram of fixture in the present invention;
Fig. 3 is the structural schematic diagram of automatic feed mechanism in the present invention;
Fig. 4 is the structural schematic diagram that hand is clamped in the present invention;
Fig. 5 is the structural schematic diagram of rotating disc in the present invention;
Fig. 6 is the structural schematic diagram of tool changing frame in the present invention;
In figure:1- racks, 2- upper frames, 3- rotation seats, 4- clamping fixture seats, 5- clip slots, 6- intermediate plates, 7- gripper cylinders, 8- guide plates, 9- mechanical arms, 10- vibration feedings disk, 11- holders, 12- driving band, 13- clamp blocks, the left pincers hands of 14-, 15- sliding slots, the right pincers hands of 16-, 17- opens and closes cylinder, 18- sliding rails, 22- slideways, 23- and bores milling seat, 24- brill millings motor, 25- tool magazines, 26- tool changing frame, 27- tool changing electricity Machine, 28- rotating discs, 29- cutter grooves, 30- go out knife cylinder, 31- magnet, 32- clamp ports
【Specific implementation mode】
Refering to fig. 1 to Fig. 6, the present invention includes rack 1 and is arranged the upper frame 2 at the top of the rack 1, in the rack 1 Sliding is equipped with the fixture for clamping valve, and the upper frame 2 is equipped with the drill milling mechanism being processed to valve body in fixture, described Fixture includes sliding the rotation seat 3 being arranged in the rack 1 and the clamping fixture seat 4 being rotatably arranged on the rotation seat 3, described Offer several to clip slot 5 on clamping fixture seat 4,5 top of the clip slot is equipped with intermediate plate 6, the intermediate plate 6 and is fixed on the clamping fixture seat Gripper cylinder 7 on 4 connects, and the gripper cylinder 7 can drive the intermediate plate 6 to be moved to clip slot 5 to clamp valve body to be processed, The drill milling mechanism include the slideway 22 being vertically arranged on the upper frame 2 and can be done along the slideway 22 reciprocal elevating movement and Brill milling seat 23 for installing drill mill tool, the milling seat 23 that bores are equipped with the brill milling motor for driving the drill mill tool rotation 24, the tool magazine 25 for holding drill mill tool is equipped in the upper frame 2, the tool magazine 25, which is located at, bores 23 side of milling seat, the knife Tool changing frame 26 is equipped between library 25 and brill milling seat 23, the tool changing frame 26 is rotatably installed on upper frame 2 and connects with tool changing motor 27 It connecing, described 26 one end of tool changing frame extends to the going out below the edge of a knife of tool magazine 25, and the other end extends to below the installing port for boring milling seat 23, The tool changing motor 27 can drive the tool changing frame 26 to rotate, so that by the drill mill tool installation to brill milling seat 23 of tool magazine 25.
Specifically, 5 side of the clip slot is equipped with the guide plate 8 upwardly extended, rotates the clamping fixture seat 4 and 90 degree of rotations occurs, The guide plate 8 can be made parallel with rack 1, the rack 1 is equipped with the automatic feed mechanism that can convey valve body to the clip slot 5.
Specifically, the automatic feed mechanism includes being located at 1 side of rack to be equipped with vibration feeding disk 10 and mechanical arm 9, institute The discharge port for stating vibration feeding disk 10 is located at the top of clip slot 5, and holder 11 is provided between the vibration feeding disk 10 and fixture, Rotation is equipped with the driving band 12 that clip slot 5 is extended to from discharge port on the holder 11, and the machine can be made by rotating the driving band 12 Tool arm 9 is moved along driving band 12, and 9 bottom of the mechanical arm is equipped with openable and closable pincers hand.
Specifically, the pincers hand includes being connected to the clamp block 13 of 9 bottom of the mechanical arm and being arranged in the clamp block 13 Left pincers hand 14, the clamp block 3 is equipped with sliding slot 15, is equipped with right pincers hand 16 in the sliding slot 15, the right pincers hand 16 and fixes Folding cylinder 17 in the clamp block 13 connects, and the folding cylinder 17 can drive the right pincers hand 16 to be slided along sliding slot 15, So that right pincers hand 16 and left pincers hand 14 close up.
Specifically, rotation is equipped with rotating disc 28 in the tool magazine 25, offered on the rotating disc 28 several for being clamped The cutter groove 29 of drill mill tool, the drill mill tool are fixed in divergent shape on the rotating disc 28, the center of the rotating disc 28 Be equipped with out knife assembly, it is described go out knife assembly the tool of the drill mill in the cutter groove 29 can be driven to be stretched out from tool magazine 25.
Specifically, it is described go out knife assembly include knife cylinder 30 and can by drill mill have draw magnet 31, it is described go out knife Cylinder 30 is arranged at the center of rotating disc 28, the magnet 31 be arranged it is described go out knife cylinder 30 piston rod on, it is described go out knife Cylinder 30 can drive the drill mill tool to be stretched out from tool magazine 25.
Specifically, the installing port for going out the edge of a knife, boring milling seat 23 and tool changing motor 27 of the tool magazine 25 are located at same straight line On, the distance of installing port to the tool changing motor 27 for going out the edge of a knife, boring milling seat 23 of the tool magazine 25 is equal.
Specifically, the both ends of the tool changing frame 27 offer the clamp port 32 that drill mill tool can be clamped, the tool changing is rotated Frame 27 can make the clamp port 32 at both ends respectively by the lower section of the installing port for going out the edge of a knife and boring milling seat 23 of tool magazine 25.
Specifically, the rack 1 is equipped with a pair of of sliding rail 18, the rotation seat 3 is slidably mounted in the sliding rail 18, sliding Moving the rotation seat 3 can be such that clip slot 5 and the discharge port 5 of the vibration feeding disk 10 is aligned.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after Scheme all belong to the scope of protection of the present invention.

Claims (9)

1. a kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body, including rack (1) and setting are in the rack (1) upper frame (2) at the top of, on the rack (1) sliding be equipped with the fixture for clamping valve, the upper frame (2) is equipped with pair The drill milling mechanism that valve body is processed in fixture, it is characterised in that:The fixture includes that sliding is arranged in the rack (1) Rotation seat (3) and the clamping fixture seat (4) being rotatably arranged on the rotation seat (3) offer on the clamping fixture seat (4) several to folder Slot (5), clip slot (5) top are equipped with intermediate plate (6), the intermediate plate (6) and the gripper cylinder being fixed on the clamping fixture seat (4) (7) it connects, the gripper cylinder (7) can drive the intermediate plate (6) mobile to clamp valve body to be processed to clip slot (5), described Drill milling mechanism includes the slideway (22) being vertically arranged on the upper frame (2) and can do reciprocal elevating movement along the slideway (22) And the brill milling seat (23) for installing drill mill tool, the milling seat (23) that bores are equipped with the brill milling for driving the drill mill tool rotation Motor (24) is equipped with the tool magazine (25) for holding drill mill tool in the upper frame (2), and the tool magazine (25), which is located at, bores milling seat (23) side, is equipped with tool changing frame (26) between the tool magazine (25) and brill milling seat (23), the tool changing frame (26) is rotatably installed in It is connect on upper frame (2) and with tool changing motor (27), described tool changing frame (26) one end extends to the going out below the edge of a knife of tool magazine (25), separately One end extends to below the installing port for boring milling seat (23), and the tool changing motor (27) can drive the tool changing frame (26) to rotate, with Make in the drill mill tool installation to brill milling seat (23) by tool magazine (25).
2. a kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body according to claim 1, feature exist In:Clip slot (5) side is equipped with the guide plate (8) upwardly extended, and the guide plate (8) and machine can be made by rotating the clamping fixture seat (4) Frame (1) is parallel, and the rack (1) is equipped with the automatic feed mechanism that valve body can be conveyed to the clip slot (5).
3. a kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body according to claim 2, feature exist In:The automatic feed mechanism includes being located at rack (1) side to be equipped with vibration feeding disk (10) and mechanical arm (9), the vibration The discharge port of loading plate (10) is located at the top of clip slot (5), and the vibration feeding disk (10) is provided with holder between fixture (11), rotation is equipped with the driving band (12) that clip slot (5) is extended to from discharge port on the holder (11), rotates the driving band (12) mechanical arm (9) can be made mobile along driving band (12), mechanical arm (9) bottom is equipped with openable and closable pincers hand.
4. a kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body according to claim 3, feature exist In:The pincers hand includes the left pincers for being connected to the clamp block (13) of the mechanical arm (9) bottom and being arranged in the clamp block (13) Hand (14), the clamp block (3) are equipped with sliding slot (15), right pincers hand (16), the right pincers hand (16) are equipped in the sliding slot (15) It is connect with the folding cylinder (17) being fixed in the clamp block (13), the folding cylinder (17) can drive the right pincers hand (16) It is slided along sliding slot (15), so that right pincers hand (16) and left pincers hand (14) are closed up.
5. a kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body according to claim 1, feature exist In:Rotation is equipped with rotating disc (28) in the tool magazine (25), is offered on the rotating disc (28) several for drill mill to be clamped The cutter groove (29) of tool, the drill mill tool are fixed in divergent shape on the rotating disc (28), the center of the rotating disc (28) Be equipped with out knife assembly, it is described go out knife assembly the tool of the drill mill in the cutter groove (29) can be driven to be stretched out from tool magazine (25).
6. a kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body according to claim 5, feature exist In:It is described go out knife assembly include knife cylinder (30) and can by drill mill have draw magnet (31), it is described go out knife cylinder (30) Center in rotating disc (28) is set, magnet (31) setting it is described go out knife cylinder (30) piston rod on, it is described go out knife Cylinder (30) can drive the drill mill tool to be stretched out from tool magazine (25).
7. a kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body according to claim 6, feature exist In:The installing port for going out the edge of a knife, boring milling seat (23) and tool changing motor (27) of the tool magazine (25) are located along the same line, described The distance of installing port to the tool changing motor (27) for going out the edge of a knife, boring milling seat (23) of tool magazine (25) is equal.
8. a kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body according to claim 7, feature exist In:The both ends of the tool changing frame (27) offer the clamp port (32) that drill mill tool can be clamped, and rotating the tool changing frame (27) can The clamp port (32) at both ends is set to pass through the lower section of the installing port for going out the edge of a knife and boring milling seat (23) of tool magazine (25) respectively.
9. a kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body according to claim 3, feature exist In:The rack (1) is equipped with a pair of of sliding rail (18), and the rotation seat (3) is slidably mounted in the sliding rail (18), slides institute Stating rotation seat (3) can be such that clip slot (5) and the discharge port (5) of the vibration feeding disk (10) is aligned.
CN201810333382.8A 2018-04-13 2018-04-13 Drilling and milling device for multi-step cavity machining forming in valve body Active CN108406318B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810333382.8A CN108406318B (en) 2018-04-13 2018-04-13 Drilling and milling device for multi-step cavity machining forming in valve body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810333382.8A CN108406318B (en) 2018-04-13 2018-04-13 Drilling and milling device for multi-step cavity machining forming in valve body

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CN108406318B CN108406318B (en) 2024-02-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109513990A (en) * 2018-11-15 2019-03-26 长沙思胜智能设备有限公司 Broaching tool automatic tool changer method
CN110102986A (en) * 2019-06-05 2019-08-09 湖南凯斯机械股份有限公司 A kind of the processing fast processing method and process equipment of valve body
CN114833640A (en) * 2022-04-11 2022-08-02 重庆城市职业学院 Multi-spindle electromechanical type spindle base milling and drilling composite processing machine

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CN106965024A (en) * 2017-04-06 2017-07-21 安徽同兴科技发展有限责任公司 A kind of high stability multi-functional drill Milling Machining center
CN107263187A (en) * 2017-08-14 2017-10-20 浙江创能机械股份有限公司 A kind of automatic milling chamfering device
CN208374691U (en) * 2018-04-13 2019-01-15 浙江博威汽车空调有限公司 A kind of drilling-milling apparatus for multi-step cavity machine-shaping in valve body

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CN102189405A (en) * 2011-03-25 2011-09-21 无锡华联精工机械有限公司 Numerical control milling and drilling machine
CN202317819U (en) * 2011-08-08 2012-07-11 台州荣茂电器有限公司 Automatic machining special machine for clamping cover of motor bicycle handle switch
CN204771758U (en) * 2015-07-18 2015-11-18 台州市陈氏铜业有限公司 A pair adds clamping apparatus on four sides for boring mill machining center
CN204818886U (en) * 2015-08-20 2015-12-02 常州精华数控设备有限公司 Carving mills machine knife storehouse toolchanger
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109513990A (en) * 2018-11-15 2019-03-26 长沙思胜智能设备有限公司 Broaching tool automatic tool changer method
CN110102986A (en) * 2019-06-05 2019-08-09 湖南凯斯机械股份有限公司 A kind of the processing fast processing method and process equipment of valve body
CN110102986B (en) * 2019-06-05 2020-11-24 湖南凯斯机械股份有限公司 Rapid valve body machining method and machining equipment
CN114833640A (en) * 2022-04-11 2022-08-02 重庆城市职业学院 Multi-spindle electromechanical type spindle base milling and drilling composite processing machine

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