CN201783689U - Milling cutter handle of boring machine - Google Patents

Milling cutter handle of boring machine Download PDF

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Publication number
CN201783689U
CN201783689U CN2010205211171U CN201020521117U CN201783689U CN 201783689 U CN201783689 U CN 201783689U CN 2010205211171 U CN2010205211171 U CN 2010205211171U CN 201020521117 U CN201020521117 U CN 201020521117U CN 201783689 U CN201783689 U CN 201783689U
Authority
CN
China
Prior art keywords
milling cutter
milling
transition connector
boring machine
boring
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
CN2010205211171U
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Chinese (zh)
Inventor
胡汉根
***
虞哲
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.)
Hangzhou Steam Turbine Co Ltd
Original Assignee
Hangzhou Steam Turbine 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 Hangzhou Steam Turbine Co Ltd filed Critical Hangzhou Steam Turbine Co Ltd
Priority to CN2010205211171U priority Critical patent/CN201783689U/en
Application granted granted Critical
Publication of CN201783689U publication Critical patent/CN201783689U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a milling cutter handle of a boring machine. The milling cutter handle mainly comprises a boring cutter arbor, wherein a housing with an opening at the bottom is arranged at the lower end of the boring cutter arbor, demountable transitional joint sleeves are arranged on the housing in a matched way and are connected with the housing in a positioning way, and a tightening bolt is arranged at the top of each transitional joint sleeve, and a Mohs taper hole used for mounting a milling cutter is formed inside each transitional joint sleeve. The milling cutter is mounted into each transitional joint sleeve and is fixed with each transitional joint sleeve through the tightening bolts. The milling cutter handle of the boring machine obtained through the utility model has simple structure and low cost, and is convenient to assemble and disassemble; the milling cutter is connected with a milling cutter handle through the transitional joint sleeves, the length of the cutter arbor can be shorter relatively, the strength and the rigidity of the milling cutter handle are higher, the milling cutter handle is not easy to vibrate and block when milling, and the processing efficiency is improved greatly; and the Mohs taper hole of each transitional joint sleeve can be designed to be matched with the milling cutters with different sizes and rough milling cutters or fine milling cutters, so that the purpose that milling cutters with different sizes and rough milling cutters or fine milling cutters can be selected can be satisfied during processing due to the advantages of multiple transitional joint sleeves.

Description

The boring machine milling cutter shank
Technical field
The utility model relates to a kind of milling attachment, especially a kind of boring machine milling cutter shank of small-sized boring machine.
Background technology
Small-sized boring machine is used very extensively in field of machining, existing small-sized boring machine adopts T-shaped nut tension formula milling cutter shank usually, this class milling cutter shank can satisfy basic process requirements, but structurally there is defective in this class milling cutter shank, be that its interlude is opened a kidney slot, make that the length of whole boring machine milling cutter device is longer, this structure has reduced milling cutter shank milling intensity and rigidity, be easy to generate vibration during milling, reduce milling speed.
Summary of the invention
The purpose of this utility model is that provide for the deficiency that solves above-mentioned technology a kind of effectively guarantees milling intensity, rigidity and milling speed, the boring machine milling cutter shank of highly versatile.
In order to achieve the above object, the boring machine milling cutter shank that the utility model is designed, it mainly comprises boring cutter bar, the lower end of described boring cutter bar is provided with the cavity of bottom opening, the interior cooperation of described cavity is provided with dismountable transition connector and is located by connecting with it, the top of described transition connector is provided with stretching screw, and inside is provided with the mohs tapered bore that is used to install milling cutter.Milling cutter is packed into and with stretching screw milling cutter and transition connector is fixed behind the transition connector.
As preferably, described boring cutter bar is provided with the holding screw that is used to hold out against transition connector, and transition connector embeds in the cavity back by the fastening location that makes it of holding screw.Preferred scheme is that described boring cutter bar is provided with screw, and described holding screw is arranged in the screw; Described transition connector is provided with the plane, and this plane extends through the upper surface of transition connector, and the holding screw front end is pressed on this plane, and the existence on plane can make cavity be in communication with the outside by plane and screw simultaneously, as dress, the row when tearing transition connector open, air inlet.
As preferably, the cross section of described cavity inner wall and transition connector outer wall is circular, and the cylindrical of transition connector and the nonconcentricity of mohs tapered bore are less than 0.01.
As preferably, described transition connector bottom ports is along greater than cavity hatch, thereby guarantees milling cutter when longitudinal stress, can not fall in the cavity, guarantees Milling Force.
The beneficial effect of the boring machine milling cutter shank that the utility model obtains is:
1, simple in structure, cost is low, easy to loading and unloading;
2, milling cutter is connected with milling cutter shank by transition connector, and knife bar length can be shorter relatively, and the milling cutter shank strength and stiffness are higher, is difficult for producing phenomenons such as vibration, stalk cutter during milling, has improved working (machining) efficiency greatly;
3, the mohs tapered bore of transition connector can be designed to be complementary with different sizes and thick, smart milling cutter, during use earlier pack into the spindle hole of boring machine of milling cutter shank, select different transition connectors according to the milling cutter size, thereby can utilize a plurality of transition connector advantages to satisfy to add select the milling cutter that varies in size man-hour for use or rough mill, the milling cutter of finish-milling, promptly can utilize a plurality of transition connectors with circular arc R thick, that the finish-milling cutter separates or processes a plurality of different sizes, product processed quality, precision and working (machining) efficiency are improved.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 boring machine milling cutter shank;
Fig. 2 is the structural representation that embodiment 1 boring machine milling cutter shank is loaded onto milling cutter;
Among the figure: boring cutter bar 1, stretching screw 2, holding screw 3, transition connector 4, milling cutter 5, mohs tapered bore 6, mouthful along 7, cavity 8, plane 9.
The specific embodiment
The utility model will be further described in conjunction with the accompanying drawings below by embodiment.
Embodiment 1
As shown in Figure 1, 2, the described boring machine milling cutter shank of present embodiment, be used for the small-sized boring machine of T68, it mainly comprises boring cutter bar 1, the lower end of boring cutter bar 1 is provided with the cavity 8 of bottom opening, cavity 8 interior cooperations are provided with dismountable transition connector 4 and are located by connecting with it, transition connector 4 bottom ports along 7 greater than cavity 8 openings, the top of transition connector 4 is provided with stretching screw 2, inside is provided with the mohs tapered bore 6 that is used to install milling cutter, milling cutter is packed into, and afterwards usefulness stretching screws 2 are fixing with milling cutter and transition connector 4 for transition connector 4, and boring cutter bar 1 is provided with screw, and holding screw 3 is arranged in the screw; Transition connector 4 is provided with plane 9, this plane 9 extends through the upper surface of transition connector 4, holding screw 3 front ends are pressed on this plane 9, the cross section of cavity 8 inwalls and transition connector 4 outer walls is circular, for guaranteeing the milling quality, the nonconcentricity of the cylindrical of transition connector 4 and mohs tapered bore 6 is preferably less than 0.01, and in the present embodiment, the cylindrical of transition connector 4 and mohs tapered bore 6 nonconcentricity are 0.005.
The described boring machine milling cutter shank of present embodiment, simple in structure, cost is low, easy to loading and unloading, milling cutter is connected with milling cutter shank by transition connector 4, knife bar length can be shorter relatively, and the milling cutter shank strength and stiffness are higher, is difficult for producing vibration during milling, phenomenons such as stalk cutter have improved working (machining) efficiency greatly; In addition, the mohs tapered bore 6 of transition connector 4 can be designed to be complementary with the milling cutter of different accuracy, during use earlier pack into the spindle hole of boring machine of milling cutter shank, select different transition connectors 4 according to the milling cutter size, thereby can utilize a plurality of transition connector 4 advantages to satisfy to add select the milling cutter that varies in size man-hour for use or rough mill, the milling cutter of finish-milling, promptly can utilize a plurality of transition connectors 4 that thick, finish-milling cutter are separated, product processed quality and precision are improved.The described boring machine milling cutter shank of present embodiment, its mohs tapered bore can be 4#, 5#, 6#, specifications such as metric system 80#, 7:24.
Certainly, the protection domain of this patent is not limited to the foregoing description, also can be other shapes that matches (as rectangle) as the shape of the cross section of cavity 8 inwalls and transition connector 4 outer walls; Positioning connection between transition connector 4 and the boring cutter bar 1 also can adopt other schemes, is provided with the positioning screw hole that matches with holding screw 3 as transition connector 4, screws in by holding screw 3 and realizes in the positioning screw hole that transition connector 4 is connected with the fixed of boring cutter bar 1; Should all fall into the protection domain of this patent.

Claims (6)

1. boring machine milling cutter shank, it mainly comprises boring cutter bar, it is characterized in that the lower end of described boring cutter bar is provided with the cavity of bottom opening, the interior cooperation of described cavity is provided with dismountable transition connector and is located by connecting with it, the top of described transition connector is provided with stretching screw, and inside is provided with the mohs tapered bore that is used to install milling cutter.
2. boring machine milling cutter shank according to claim 1 is characterized in that described boring cutter bar is provided with the holding screw that is used to hold out against the location transition connector.
3. boring machine milling cutter shank according to claim 2 is characterized in that described boring cutter bar is provided with screw, and described holding screw is arranged in the screw; Described transition connector is provided with the plane, and this plane extends through the upper surface of transition connector, and the holding screw front end is pressed on this plane.
4. according to claim 1 or 2 or 3 described boring machine milling cutter shanks, the cross section that it is characterized in that described cavity inner wall and transition connector outer wall is for circular, and the cylindrical of transition connector and the nonconcentricity of mohs tapered bore are less than 0.01.
5. according to claim 1 or 2 or 3 described boring machine milling cutter shanks, it is characterized in that described transition connector bottom ports edge is greater than cavity hatch.
6. boring machine milling cutter shank according to claim 4 is characterized in that described transition connector bottom ports edge is greater than cavity hatch.
CN2010205211171U 2010-09-07 2010-09-07 Milling cutter handle of boring machine Expired - Fee Related CN201783689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205211171U CN201783689U (en) 2010-09-07 2010-09-07 Milling cutter handle of boring machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205211171U CN201783689U (en) 2010-09-07 2010-09-07 Milling cutter handle of boring machine

Publications (1)

Publication Number Publication Date
CN201783689U true CN201783689U (en) 2011-04-06

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CN2010205211171U Expired - Fee Related CN201783689U (en) 2010-09-07 2010-09-07 Milling cutter handle of boring machine

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CN (1) CN201783689U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102921978A (en) * 2012-11-21 2013-02-13 苏州永创金属科技有限公司 Eccentric boring cutter
CN103056435A (en) * 2011-10-24 2013-04-24 山东双轮股份有限公司 Head-gripping fixture of end milling cutter for boring mill
CN103350252A (en) * 2013-07-09 2013-10-16 泰州市马恒达机械有限公司 Arc-shaped bevel edge forming cutter
CN103624306A (en) * 2013-11-08 2014-03-12 首钢总公司 Handle of milling machine cutter and method for mounting and dismounting same
CN104001983A (en) * 2014-05-06 2014-08-27 天津机辆轨道交通装备有限责任公司 Clamping fixture for taper-shank vertical milling cutter arranged at boring lathe
CN104002171A (en) * 2014-06-16 2014-08-27 高宇峰 Drill bit locking structure
CN104858461A (en) * 2015-05-18 2015-08-26 广西玉柴机器股份有限公司 Conical handle tool preventing tool from getting loose and disengaging
CN104942631A (en) * 2015-06-17 2015-09-30 洛阳汇翔精机有限公司 Knife holder and boring lathe adopting knife holder
CN108687391A (en) * 2018-05-16 2018-10-23 江苏永伟精密工具有限公司 A kind of high precision milling cutter fixing device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056435A (en) * 2011-10-24 2013-04-24 山东双轮股份有限公司 Head-gripping fixture of end milling cutter for boring mill
CN102921978A (en) * 2012-11-21 2013-02-13 苏州永创金属科技有限公司 Eccentric boring cutter
CN103350252A (en) * 2013-07-09 2013-10-16 泰州市马恒达机械有限公司 Arc-shaped bevel edge forming cutter
CN103624306A (en) * 2013-11-08 2014-03-12 首钢总公司 Handle of milling machine cutter and method for mounting and dismounting same
CN104001983A (en) * 2014-05-06 2014-08-27 天津机辆轨道交通装备有限责任公司 Clamping fixture for taper-shank vertical milling cutter arranged at boring lathe
CN104002171A (en) * 2014-06-16 2014-08-27 高宇峰 Drill bit locking structure
CN104858461A (en) * 2015-05-18 2015-08-26 广西玉柴机器股份有限公司 Conical handle tool preventing tool from getting loose and disengaging
CN104942631A (en) * 2015-06-17 2015-09-30 洛阳汇翔精机有限公司 Knife holder and boring lathe adopting knife holder
CN108687391A (en) * 2018-05-16 2018-10-23 江苏永伟精密工具有限公司 A kind of high precision milling cutter fixing device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110406

Termination date: 20160907

CF01 Termination of patent right due to non-payment of annual fee