CN112276191A - Cutter head with cutter head indexing fluted disc and cutter head rotating fluted disc matched and positioned - Google Patents

Cutter head with cutter head indexing fluted disc and cutter head rotating fluted disc matched and positioned Download PDF

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Publication number
CN112276191A
CN112276191A CN202011100982.3A CN202011100982A CN112276191A CN 112276191 A CN112276191 A CN 112276191A CN 202011100982 A CN202011100982 A CN 202011100982A CN 112276191 A CN112276191 A CN 112276191A
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China
Prior art keywords
disc
indexing
fluted disc
milling head
seat
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Pending
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CN202011100982.3A
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Chinese (zh)
Inventor
周云
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Individual
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Individual
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Priority to CN202011100982.3A priority Critical patent/CN112276191A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C9/00Details or accessories so far as specially adapted to milling machines or cutter
    • B23C9/005Details or accessories so far as specially adapted to milling machines or cutter milling heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F23/00Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
    • B23F23/08Index mechanisms
    • 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
    • B23Q16/00Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02Indexing equipment
    • B23Q16/08Indexing equipment having means for clamping the relatively movable parts together in the indexed position
    • B23Q16/10Rotary indexing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

The invention discloses a milling head with a milling head indexing fluted disc and a milling head rotating fluted disc which are matched and positioned, belonging to the technical field of machining, and comprising a top seat, a fixed seat and a main shaft shell, wherein the bottom of the fixed seat is provided with an indexing upper fluted disc which is screwed on the fixed seat through a bolt I, the top of the movable seat is provided with an indexing lower fluted disc matched with the indexing upper fluted disc, the indexing lower fluted disc is screwed on the top of the movable seat through a bolt II, the middle part in the fixed seat is provided with a mounting disc, the top of the mounting disc is provided with a transposition lower fluted disc, the bottom of the movable seat is provided with a transposition upper fluted disc matched with the transposition lower fluted disc, and the rotating upper fluted disc and the rotating lower fluted disc are mutually meshed, so that the accuracy of clamping is ensured during rotation, the deviation caused by the moving condition during rotation is avoided, and the accurate positioning can be carried, the processing precision of the milling head is improved, and the milling head is more stable and reliable in the processing process.

Description

Cutter head with cutter head indexing fluted disc and cutter head rotating fluted disc matched and positioned
Technical Field
The invention relates to the technical field of machining, in particular to a milling head with a milling head indexing fluted disc and a milling head rotating fluted disc which are positioned in a matched mode.
Background
A milling machine is a machine tool which is widely used, and on which a flat surface (a horizontal surface, a vertical surface), a groove (a key groove, a T-shaped groove, a dovetail groove, or the like), a tooth-separating part (a gear, a spline shaft, a sprocket), a spiral surface (a thread, a spiral groove), and various curved surfaces can be processed, and further, which is used for processing a surface of a revolving body, an inner hole, cutting work, or the like, and which mills a workpiece with a milling cutter. Milling machine except can mill the plane, the slot, the teeth of a cogwheel, screw thread and integral key shaft, can also process more complicated profile, efficiency is higher than the planer, obtain wide application in machine-building and repair department, milling cutter presss from both sides tightly fixedly through the cutter head, the cutter head can rotate, thereby adjust milling cutter, the rotation screens of current cutter head is the design of axial screens or axial screens down adopted usually, the inaccurate removal that appears in screens leads to the deviation easily, and current cutter head fixes a position inadequately when rotating, the influence is to the processing of machinery.
Disclosure of Invention
The invention aims to provide a milling head with a milling head indexing fluted disc and a milling head rotating fluted disc which are positioned in a matched mode, and the problems that clamping position is inaccurate and deviation is easy to occur due to movement in the background technology, and the existing milling head is not accurate enough in positioning during rotation, so that machining of machinery is affected are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a milling head with a milling head indexing fluted disc and a milling head rotating fluted disc which are positioned in a matched mode comprises a top seat, a fixed seat and a main shaft shell, wherein the bottom of the top seat is connected with the top of the fixed seat, the bottom of the fixed seat is connected with the top of the main shaft shell through a connecting block, the left side and the right side in the top seat are both connected with a fixed frame, an indexing upper fluted disc is installed at the bottom of the fixed frame and is connected with the fixed frame through a bolt, moving seats are respectively arranged at the left side and the right side of the bottom in the top seat, an indexing lower fluted disc matched with the indexing upper fluted disc is installed at the top of the moving seat, a mounting disc is arranged at the middle part in the fixed seat, a transposition lower fluted disc is installed at the top of the mounting disc and is connected with the mounting disc through a bolt, and a transposition upper fluted disc matched with the, and the transposition upper fluted disc is arranged at the bottom of the movable seat through a fourth bolt.
Preferably, the left side and the right side in the fixing seat are both provided with sliding seats, the top of each sliding seat is connected with the bottom of the corresponding moving seat, a push rod is longitudinally arranged on one side of each sliding seat, which is far away from the inner part of the corresponding fixing seat, and the top of each push rod is connected with the corresponding moving seat.
Preferably, a mounting groove is longitudinally formed in the mounting plate, a fixing block is inserted in the mounting groove, a fixing column is connected to the middle of the bottom of the fixing block, and a limiting block is connected to the bottom of the fixing column.
Preferably, the outer wall of the fixed column is sleeved with a spring, the top and the bottom of the spring are respectively connected with the bottom of the fixed block and the top of the limiting block, a rotating groove is longitudinally formed in the middle of the fixed block, the fixed column and the limiting block, and the rotating rod is longitudinally inserted in the rotating groove.
Preferably, the front surface and the back surface of the fixing block are both longitudinally provided with a knife handle key groove, and the inner wall of the knife handle key groove is provided with an anti-skidding wear-resistant layer.
Preferably, the indexing upper fluted disc, the indexing lower fluted disc, the transposition upper fluted disc and the transposition lower fluted disc all adopt a thermal refining process.
Preferably, the thermal refining process is quenching treatment.
Preferably, the outer walls of the indexing upper fluted disc, the indexing lower fluted disc, the transposition upper fluted disc and the transposition lower fluted disc are provided with anti-corrosion wear-resistant layers.
Preferably, a cutter loosening oil cylinder is installed on the left side of the spindle shell.
Compared with the prior art, the invention has the beneficial effects that:
1) when the fixed block rotated, rotated upper fluted disc and rotated lower fluted disc intermeshing to guaranteed the accuracy of screens when rotating, thereby avoided appearing the condition that removes when rotating and leading to the deviation.
2) The rotating fluted disc is matched with the indexing fluted disc, so that the milling head can be accurately positioned after rotating, the machining precision of the milling head is improved, and the milling head is more stable and reliable in the machining process.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the lower indexing cog of the present invention;
FIG. 3 is a top view of an indexed lower chainring of the present invention.
In the figure: the automatic tool setting device comprises a top seat 1, a fixed seat 2, a main shaft shell 3, a cutter loosening oil cylinder 4, a fixed frame 5, an indexing upper fluted disc 6, a first indexing lower fluted disc 7 and 8, a second indexing bolt 9, a moving seat 10, an indexing upper fluted disc 11, a fourth indexing bolt 12, a fixed block 13, a lower indexing fluted disc 14, a third indexing bolt 15, a mounting disc 16, a spring 17, a limiting block 18, a rotating rod 19, a sliding seat 20, a push rod 21 and a fixed column 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-3, the present invention provides a technical solution: a milling head with a milling head indexing fluted disc and a milling head rotating fluted disc which are positioned in a matching way comprises a top seat 1, a fixed seat 2 and a main shaft shell 3, wherein the bottom of the top seat 1 is connected with the top of the fixed seat 2, the bottom of the fixed seat 2 is connected with the top of the main shaft shell 3 through a connecting block, the left side and the right side in the top seat 1 are both connected with a fixed frame 5, an indexing upper fluted disc 6 is installed at the bottom of the fixed frame 5, the indexing upper fluted disc 6 is in threaded connection with the fixed frame 5 through a bolt I7, the left side and the right side of the bottom in the top seat 1 are both provided with a movable seat 10, an indexing lower fluted disc 8 matched with the indexing upper fluted disc 6 is installed at the top of the movable seat 10, the indexing lower fluted disc 8 is mutually meshed with the indexing upper fluted disc 6, so as to position the movable seat 10, the indexing, the transposition fluted disc 14 is installed at the top of mounting disc 16, the transposition fluted disc 14 passes through three 15 spiro unions of bolt on mounting disc 16 under the transposition, the transposition upper tooth disc 11 of transposition 14 assorted is installed to removal seat 10 bottom, and the transposition upper tooth disc 11 meshes with the transposition lower fluted disc 14, accomplishes and carries out accurate location to the cutter head for thereby the screens is more accurate to be avoided appearing removing and is leaded to the deviation, the transposition upper tooth disc 11 passes through four 12 of bolt and installs in removal seat 10 bottom.
The left side and the right side in the fixing seat 2 are both provided with sliding seats 20, the top of each sliding seat 20 is connected with the bottom of the corresponding movable seat 10, a piston in the fixing seat 2 drives the corresponding sliding seat 20 to ascend, so that the corresponding movable seat 10 is jacked up, a push rod 21 is longitudinally arranged on one side of the corresponding sliding seat 20, which deviates from the inner portion of the corresponding fixing seat 2, the top of the push rod 21 is connected with the corresponding movable seat 10, the piston drives the push rod 21 to descend, and the push rod 21 descends to drive the corresponding movable seat 10 to descend.
The mounting plate 16 is internally and longitudinally provided with a mounting groove, the mounting groove is internally inserted with a fixing block 13, the middle of the bottom of the fixing block 13 is connected with a fixing column 22, and the bottom of the fixing column 22 is connected with a limiting block 18.
The outer wall of the fixed column 22 is sleeved with the spring 17, the spring 17 can enable the fixed block 13 to reset, the top and the bottom of the spring 17 are respectively connected with the bottom of the fixed block 13 and the top of the limiting block 18, the middle of the inside of the fixed block 13, the fixed column 22 and the limiting block 18 is longitudinally provided with a rotating groove, the rotating rod 19 is longitudinally inserted in the rotating groove, and the rotating rod 19 rotates to drive the pull rod in the spindle housing to rotate, so that the milling cutter is guaranteed to normally work.
The front surface and the back surface of the fixing block are both longitudinally provided with a knife handle key groove, a knife handle can be installed in the knife handle key groove, and the inner wall of the knife handle key groove is provided with an anti-skidding wear-resistant layer.
The indexing upper fluted disc 6, the indexing lower fluted disc 8, the transposition upper fluted disc 11 and the transposition lower fluted disc 14 all adopt a thermal refining process, so that the precision is improved, and the positioning is accurate and stable.
The quenching and tempering process is quenching treatment, and the strength of the fluted disc is improved.
The outer walls of the indexing upper fluted disc 6, the indexing lower fluted disc 8, the transposition upper fluted disc 11 and the transposition lower fluted disc 14 are provided with anti-corrosion wear-resistant layers, so that the service life of the fluted discs is prolonged.
And a cutter loosening oil cylinder 4 is arranged on the left side of the spindle shell 3 and can perform cutter loosening and grasping actions on the milling cutter.
The working principle is as follows: the piston in the fixing base 2 can drive the sliding base 20 to rise, thereby the moving base 10 is jacked up, the lower fluted disc 8 and the upper fluted disc 6 of the graduation are meshed with each other, thereby the moving base 10 is positioned, the upper fluted disc 11 of the transposition is separated from the lower fluted disc 14 of the transposition, the fixing block 13 drives the mounting disc 16 to rotate, the milling head is driven to adjust the angle, the piston enables the sliding base 20 to descend and reset after the rotation is completed, the sliding base 20 descends to drive the moving base 10 to reset, the piston drives the push rod 21 to descend, the push rod 21 descends to drive the moving base 10 to descend, the upper fluted disc 11 of the transposition is meshed with the lower fluted disc 14 of the transposition, the accurate positioning of the milling head is completed, the clamping is more accurate, and the occurrence.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a cutter head of cutter head graduation fluted disc and cutter head rotation fluted disc cooperation location, includes footstock (1), fixing base (2) and main shaft housing (3), footstock (1) bottom is connected with fixing base (2) top, fixing base (2) bottom is passed through the connecting block and is connected its characterized in that with main shaft housing (3) top: the upper tooth disc (6) is installed at the bottom of the fixing frame (5), the upper tooth disc (6) is installed at the indexing part and is connected to the fixing frame (5) in a threaded mode through a bolt I (7), the left side and the right side of the bottom of the top seat (1) are respectively provided with a moving seat (10), the top of the moving seat (10) is provided with an indexing lower tooth disc (8) matched with the indexing upper tooth disc (6), the indexing lower tooth disc (8) is connected to the top of the moving seat (10) in a threaded mode through a bolt II (9), the middle of the inside of the fixed seat (2) is provided with a mounting disc (16), the top of the mounting disc (16) is provided with a lower indexing tooth disc (14), the lower indexing tooth disc (14) is connected to the mounting disc (16) in a threaded mode through a bolt III (15), the bottom of the moving seat (10) is provided with an upper tooth disc (11) matched with the lower, the transposition upper fluted disc (11) is arranged at the bottom of the movable seat (10) through a bolt four (12).
2. A milling head according to claim 1, wherein the indexing toothed disc and the rotary toothed disc are cooperatively positioned, and wherein: the left and right sides all is equipped with sliding seat (20) in fixing base (2), sliding seat (20) top is connected with removal seat (10) bottom, sliding seat (20) vertically are equipped with push rod (21) with the one side that the fixing base (2) inside deviates from, push rod (21) top is connected with removal seat (10).
3. A milling head according to claim 1, wherein the indexing toothed disc and the rotary toothed disc are cooperatively positioned, and wherein: the mounting plate is characterized in that a mounting groove is longitudinally formed in the mounting plate (16), a fixing block (13) is inserted in the mounting groove, a fixing column (22) is connected to the middle of the bottom of the fixing block (13), and a limiting block (18) is connected to the bottom of the fixing column (22).
4. A milling head according to claim 1, wherein the indexing toothed disc and the rotary toothed disc are cooperatively positioned, and wherein: the outer wall of the fixed column (22) is sleeved with a spring (17), the top and the bottom of the spring (17) are respectively connected with the bottom of the fixed block (13) and the top of the limiting block (18), a rotating groove is longitudinally formed in the middle of the fixed block (13), the fixed column (22) and the limiting block (18), and the rotating rod (19) is longitudinally inserted in the rotating groove.
5. A milling head according to claim 3, wherein the indexing toothed disc and the rotary toothed disc are cooperatively positioned, and wherein: the front and the back of the fixing block are both longitudinally provided with a knife handle key groove, and the inner wall of the knife handle key groove is provided with an anti-skidding wear-resistant layer.
6. A milling head according to claim 1, wherein the indexing toothed disc is positioned in cooperation with a rotary toothed disc of the milling head, and wherein: the indexing upper fluted disc (6), the indexing lower fluted disc (8), the transposition upper fluted disc (11) and the transposition lower fluted disc (14) all adopt a quenching and tempering process.
7. A milling head according to claim 6, wherein the indexing toothed disc is positioned in cooperation with a rotary toothed disc of the milling head, and wherein: the quenching and tempering process is quenching treatment.
8. A milling head according to claim 1, wherein the indexing toothed disc is positioned in cooperation with a rotary toothed disc of the milling head, and wherein: and the outer walls of the indexing upper fluted disc (6), the indexing lower fluted disc (8), the transposition upper fluted disc (11) and the transposition lower fluted disc (14) are respectively provided with an anti-corrosion wear-resistant layer.
9. A milling head according to claim 1, wherein the indexing toothed disc is positioned in cooperation with a rotary toothed disc of the milling head, and wherein: and a cutter loosening oil cylinder (4) is arranged on the left side of the main shaft shell (3).
CN202011100982.3A 2020-10-15 2020-10-15 Cutter head with cutter head indexing fluted disc and cutter head rotating fluted disc matched and positioned Pending CN112276191A (en)

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CN202011100982.3A CN112276191A (en) 2020-10-15 2020-10-15 Cutter head with cutter head indexing fluted disc and cutter head rotating fluted disc matched and positioned

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Application Number Priority Date Filing Date Title
CN202011100982.3A CN112276191A (en) 2020-10-15 2020-10-15 Cutter head with cutter head indexing fluted disc and cutter head rotating fluted disc matched and positioned

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CN112276191A true CN112276191A (en) 2021-01-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113618165A (en) * 2021-08-17 2021-11-09 长春武玉汽车配件有限公司 High-precision tooth indexing fixture for positioning and milling of toothed disc

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Publication number Priority date Publication date Assignee Title
GB1348156A (en) * 1970-09-15 1974-03-13 Waldrich Werkzeugmasch Milling machine
JP2005007526A (en) * 2003-06-19 2005-01-13 Nakamura Tome Precision Ind Co Ltd Tool swiveling device for tool rest
CN201089028Y (en) * 2006-12-05 2008-07-23 青海一机数控机床有限责任公司 Rotable right-angle milling head
CN102101194A (en) * 2011-03-23 2011-06-22 桂林机床股份有限公司 Automatic indexing right-angle milling head driven by main motor
CN202592090U (en) * 2012-05-08 2012-12-12 福建省嘉泰数控机械有限公司 Milling head with automatic indexing function
CN202701878U (en) * 2012-04-26 2013-01-30 常州协润精机有限公司 Right angular milling head with function of detecting clamping and loosening of end face chain wheels
CN202861891U (en) * 2012-03-12 2013-04-10 宁波海天精工机械有限公司 Indexing device for milling machine accessory-milling head
CN204277613U (en) * 2014-11-20 2015-04-22 扬州力创机床有限公司 A kind of main tapping rotating mechanism
CN104723169A (en) * 2015-03-27 2015-06-24 苏州江源精密机械有限公司 Automatic indexing right angle head device on gantry machining center
CN205110907U (en) * 2015-11-25 2016-03-30 山东宏泰机械科技股份有限公司 Digit control machine tool graduation cutter head
CN205393633U (en) * 2016-03-07 2016-07-27 宁波海天精工股份有限公司 Multiple tooth dish is used to annex cutter head
CN205415072U (en) * 2016-03-15 2016-08-03 宁波海天精工股份有限公司 Semi -automatic right angle head of automatic function of forging a knife in area
CN205571997U (en) * 2016-04-26 2016-09-14 宁波海天精工股份有限公司 From automatic right angle head of taking meso position
CN205852284U (en) * 2016-07-23 2017-01-04 惠州华一数控技术研究院有限公司 A kind of indexing table automatic for lathe
CN107234287A (en) * 2017-07-12 2017-10-10 深圳市钛吉多轴数控机床有限公司 Quick change indexes milling head device
CN206854729U (en) * 2017-06-11 2018-01-09 中捷机床有限公司 The full-automatic right-angle milling head structure of gantry Machining Center
CN107791044A (en) * 2017-10-31 2018-03-13 宁波海天精工股份有限公司 A kind of high speed depth boring and milling head outer of C axles any angle indexing

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1348156A (en) * 1970-09-15 1974-03-13 Waldrich Werkzeugmasch Milling machine
JP2005007526A (en) * 2003-06-19 2005-01-13 Nakamura Tome Precision Ind Co Ltd Tool swiveling device for tool rest
CN201089028Y (en) * 2006-12-05 2008-07-23 青海一机数控机床有限责任公司 Rotable right-angle milling head
CN102101194A (en) * 2011-03-23 2011-06-22 桂林机床股份有限公司 Automatic indexing right-angle milling head driven by main motor
CN202861891U (en) * 2012-03-12 2013-04-10 宁波海天精工机械有限公司 Indexing device for milling machine accessory-milling head
CN202701878U (en) * 2012-04-26 2013-01-30 常州协润精机有限公司 Right angular milling head with function of detecting clamping and loosening of end face chain wheels
CN202592090U (en) * 2012-05-08 2012-12-12 福建省嘉泰数控机械有限公司 Milling head with automatic indexing function
CN204277613U (en) * 2014-11-20 2015-04-22 扬州力创机床有限公司 A kind of main tapping rotating mechanism
CN104723169A (en) * 2015-03-27 2015-06-24 苏州江源精密机械有限公司 Automatic indexing right angle head device on gantry machining center
CN205110907U (en) * 2015-11-25 2016-03-30 山东宏泰机械科技股份有限公司 Digit control machine tool graduation cutter head
CN205393633U (en) * 2016-03-07 2016-07-27 宁波海天精工股份有限公司 Multiple tooth dish is used to annex cutter head
CN205415072U (en) * 2016-03-15 2016-08-03 宁波海天精工股份有限公司 Semi -automatic right angle head of automatic function of forging a knife in area
CN205571997U (en) * 2016-04-26 2016-09-14 宁波海天精工股份有限公司 From automatic right angle head of taking meso position
CN205852284U (en) * 2016-07-23 2017-01-04 惠州华一数控技术研究院有限公司 A kind of indexing table automatic for lathe
CN206854729U (en) * 2017-06-11 2018-01-09 中捷机床有限公司 The full-automatic right-angle milling head structure of gantry Machining Center
CN107234287A (en) * 2017-07-12 2017-10-10 深圳市钛吉多轴数控机床有限公司 Quick change indexes milling head device
CN107791044A (en) * 2017-10-31 2018-03-13 宁波海天精工股份有限公司 A kind of high speed depth boring and milling head outer of C axles any angle indexing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113618165A (en) * 2021-08-17 2021-11-09 长春武玉汽车配件有限公司 High-precision tooth indexing fixture for positioning and milling of toothed disc

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Application publication date: 20210129

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