CN102825320A - Strongly connected disc milling cutter dedicated to guide shoes of coal mining machines - Google Patents
Strongly connected disc milling cutter dedicated to guide shoes of coal mining machines Download PDFInfo
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- CN102825320A CN102825320A CN2012103389192A CN201210338919A CN102825320A CN 102825320 A CN102825320 A CN 102825320A CN 2012103389192 A CN2012103389192 A CN 2012103389192A CN 201210338919 A CN201210338919 A CN 201210338919A CN 102825320 A CN102825320 A CN 102825320A
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- connecting hole
- milling cutter
- cutterhead
- knife
- disc milling
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Abstract
The invention discloses a strongly connected disc milling cutter dedicated to guide shoes of coal mining machines, which comprises a shank and a cutting disc, the center of the cutting disc is provided with a connecting hole, the connecting hole is shaped like a centrosymmetrical pattern which consists of the four sides of a square and four sections of circular arcs, a section of circular arc is connected between each two neighboring sides, one end of the shank is provided with a connecting section, the shape of the connecting section corresponds to the shape of the connecting hole, and the shank and the cutting disc are fixedly connected with each other through the connecting hole and the connecting section. The disc milling cutter is axially fixed only by the way of threaded connection, and is convenient to mount and dismount; after the shank is inserted into the cutting disc, the connecting hole and the connecting section are radially positioned by the four sections of circular arcs; because the tool transmits torque by means of the four sides of the square, the contact area is large, torque transmission is stable, and the strongly connected disc milling cutter has high system rigidity and dynamic balance.
Description
Technical field
The present invention relates to the disc milling cutter that a kind of machining is used, particularly relate to the special-purpose powerful disc milling cutter that connects of a kind of coal-winning machine guide slip shoe.
Background technology
Disc milling cutter is the very wide a kind of cutter of application surface in the machining.In milling process, the cutter rotation, each cutter tooth is participated in cutting in order in turn.Cutting speed is big, and feed speed is high, thereby production efficiency obtained promoting significantly, meets the processing request of high-efficient cutting.
The same with other various tool structures, disc milling cutter is made up of clamping part and working portion equally.Clamping partly is a handle of a knife, generally is sleeved on the main shaft or axle of lathe through Morse taper shank, transmits torsional moment by axial bond or straight end-face key; Working portion is a cutterhead, and its structure has three kinds of monoblock type, welded type and mechanical clamping types.Receive the structural limitations of guide slip shoe, require the knife bar diameter of disc milling cutter must not be greater than 52mm, therefore, the cutterhead of the special-purpose disc milling cutter of guide slip shoe generally be connected through structures such as screw thread or keys with handle of a knife.
Be control milling cost, the working portion of employed disc milling cutter is welded type mostly in the guide slip shoe roughing process, is about to the alloy blade soldering on cutterhead.The long-time use, particularly big (during >=50HRC) position, blade is prone to wear and tear, tipping, fracture, plastic deformation, scale off etc. and to damage phenomenon, when blade loses cutting power, needs the timely cutterhead that more renew in the milling hardness ratio.When changing cutterhead, find following problem through regular meeting:
(1) cutterhead and the handle of a knife through being threaded, because in milling process, the screw thread direction of screwing is consistent with the cutter direction of rotation, and the continuous torsional moment that produced of Milling Process causes screw thread to revolve extremely for a long time, and the cutterhead replacing is difficult;
(2) cutterhead and the handle of a knife that connect through axial bond or straight end-face key, in the course of the work, key plays the effect of transmitting torsional moment; In long-time milling process, during the bigger position of particularly milling hardness, be prone to take place key and cut off; Breakoff phenomenon such as is killed in the location; Cause cutterhead to change difficulty, the keyway on the handle of a knife can cause that stress is concentrated in addition, reduces the intensity of cutter hub.
Summary of the invention
The object of the present invention is to provide the special-purpose powerful disc milling cutter that connects of a kind of coal-winning machine guide slip shoe, solve original milling cutter body with the problem of changing difficulty, this milling cutter has higher system rigidity and dynamic balance simultaneously, can the reliable delivery torsional moment.
For solving the problems of the technologies described above; Technical scheme of the present invention is such, and the special-purpose powerful disc milling cutter that connects of a kind of coal-winning machine guide slip shoe comprises handle of a knife and cutterhead; It is characterized in that: said cutterhead center is provided with connecting hole; The centrosymmetric image that said connecting hole shape is made up of foursquare four edges and four arcs is connected by one section circular arc between the adjacent limit, and an end of said handle of a knife is provided with linkage section; Said linkage section profile is corresponding with connecting hole, and said handle of a knife is fixedly connected with linkage section through connecting hole with cutterhead.
In order to make disc milling cutter adapt to more narrow working space, guarantee the surfacing of cutterhead, a side of said cutterhead is provided with the half heavy circular hole concentric with connecting hole.
In order to control moving axially of cutterhead better, be provided with T type connector in the said half heavy circular hole further, T type connector is threaded with the linkage section of said handle of a knife.
The advantage of technical scheme provided by the present invention is that after handle of a knife inserted cutterhead, connecting hole and linkage section were with the four arcs radial location; Cutter transmits torsional moment with four planes of square hole, and contact area is big, and the moment transmission is steady.Connecting hole and linkage section are centrosymmetric image, have improved the dynamic balance of cutter, reduce centrifugal force largely, improve the security of cutter and have reduced machine-tool spindle system vibration raising machining accuracy.This cutter only carries out axial restraint to be threaded, and cutter is easy to loading and unloading, has the higher system rigidity.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of cutterhead;
Fig. 3 is the cutaway view of Fig. 2;
Fig. 4 is the structural representation of handle of a knife;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the structural representation of cutterhead among the embodiment 2;
Fig. 7 is the cutaway view of Fig. 6;
Fig. 8 is the structural representation of embodiment 3.
The specific embodiment
Below in conjunction with embodiment the present invention is described further, but not as to qualification of the present invention.
Embodiment 1: see also Fig. 1 to Fig. 5, the special-purpose powerful disc milling cutter that connects of coal-winning machine guide slip shoe comprises handle of a knife 1 and cutterhead 2; Cutterhead 2 centers are provided with connecting hole 3, and the centrosymmetric image that connecting hole 3 shapes are made up of foursquare four edges 31 and four arcs 32 is connected by one section circular arc 32 between the adjacent limit 31; One end of handle of a knife 1 is provided with linkage section 4; Linkage section 4 profiles are corresponding with connecting hole 3, after handle of a knife 1 linkage section 4 inserts cutterhead 2 connecting holes 3, adopt screw 5 axial restraints.
Embodiment 2: the special-purpose powerful disc milling cutter that connects of coal-winning machine guide slip shoe, comprise handle of a knife 1 and cutterhead 2, and cutterhead 2 centers are provided with connecting hole 3; The centrosymmetric image that connecting hole 3 shapes are made up of foursquare four edges 31 and four arcs 32; Connected by one section circular arc 32 between the adjacent limit 31, see also Fig. 6 and Fig. 7, a side of cutterhead 2 is provided with the half heavy circular hole 33 concentric with connecting hole 3; One end of handle of a knife 1 is provided with linkage section 4; Linkage section 4 profiles are corresponding with connecting hole 3, after handle of a knife 1 linkage section 4 inserts cutterhead 2 connecting holes 3, adopt screw axial to fix.The screw afterbody drops on the surface that can not give prominence to cutterhead 2 in half counterbore 33 of cutterhead 2, makes milling cutter adapt to more narrow working space.
Embodiment 3: the special-purpose powerful disc milling cutter that connects of coal-winning machine guide slip shoe, comprise handle of a knife 1 and cutterhead 2, and cutterhead 2 centers are provided with connecting hole 3; The centrosymmetric image that connecting hole 3 shapes are made up of foursquare four edges 31 and four arcs 32; Connected by one section circular arc 32 between the adjacent limit 31, see also Fig. 6, Fig. 7 and Fig. 8, a side of cutterhead 2 is provided with the half heavy circular hole 33 concentric with connecting hole 3; One end of handle of a knife 1 is provided with linkage section 4; Linkage section 4 profiles are corresponding with connecting hole 3, are provided with T type connector 6 in the half heavy circular hole 33, and T type connector 6 is threaded with the linkage section 4 of said handle of a knife 1.After handle of a knife 1 linkage section 4 inserts cutterhead 2 connecting holes 3, adopt T type connector 6 axial restraints.T type connector 6 is bigger with cutterhead 2 contacts area, can limit the axial displacement of cutterhead 2 better, improves the cutter safety in utilization.
Among above-mentioned 3 embodiment, the processing of connecting hole and linkage section should be satisfied: four planes of handle of a knife 1 linkage section 4 and cutterhead 2 connecting holes 3 respectively with the symmetry tolerance≤0.025mm of its longitudinal center line; The shaft shoulder face of handle of a knife 1 linkage section 4, cutterhead 2 end faces respectively with the squareness tolerance≤0.025mm of its longitudinal center line.Can improve the dynamic balance performance of cutter like this, reduce the generation of centrifugal force, weaken the machine-tool spindle system vibration, improve machining accuracy.
Claims (3)
1. the special-purpose brute force of coal-winning machine guide slip shoe connects disc milling cutter; Comprise handle of a knife (1) and cutterhead (2); It is characterized in that: said cutterhead (2) center is provided with connecting hole (3); The centrosymmetric image that said connecting hole (3) shape is made up of foursquare four edges (31) and four arcs (32) is connected by one section circular arc (32) between adjacent limit (31), and an end of said handle of a knife (1) is provided with linkage section (4); Said linkage section (4) profile is corresponding with connecting hole (3), and said handle of a knife (1) is fixedly connected with linkage section (4) through connecting hole (3) with cutterhead (2).
2. the special-purpose powerful disc milling cutter that connects of coal-winning machine guide slip shoe according to claim 1 is characterized in that: a side of said cutterhead (2) is provided with the half heavy circular hole (33) concentric with connecting hole (3).
3. the special-purpose powerful disc milling cutter that connects of coal-winning machine guide slip shoe according to claim 2, it is characterized in that: be provided with T type connector (6) in the said half heavy circular hole (3), T type connector (6) is threaded with the linkage section (4) of said handle of a knife (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103389192A CN102825320A (en) | 2012-09-14 | 2012-09-14 | Strongly connected disc milling cutter dedicated to guide shoes of coal mining machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103389192A CN102825320A (en) | 2012-09-14 | 2012-09-14 | Strongly connected disc milling cutter dedicated to guide shoes of coal mining machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102825320A true CN102825320A (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103389192A Pending CN102825320A (en) | 2012-09-14 | 2012-09-14 | Strongly connected disc milling cutter dedicated to guide shoes of coal mining machines |
Country Status (1)
| Country | Link |
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| CN (1) | CN102825320A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530766A (en) * | 2018-12-19 | 2019-03-29 | 西安煤矿机械有限公司 | A kind of processing method for processing guide slip shoe groove |
| CN112620759A (en) * | 2020-12-28 | 2021-04-09 | 徐少华 | Milling cutter capable of synchronously replacing cutting edges |
| CN114951832A (en) * | 2022-06-30 | 2022-08-30 | 深圳市中孚能电气设备有限公司 | Insert, tool assembly and heat sink |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA634110A (en) * | 1962-01-09 | L. Garberding Waldo | Cutting tool | |
| CN1121329A (en) * | 1993-04-14 | 1996-04-24 | Cnc精密特种刀具有限公司 | Cutting tool |
| CN1354707A (en) * | 2000-04-10 | 2002-06-19 | 帕斯卡株式会社 | Tool holder mounting structure |
| CN101282807A (en) * | 2005-10-05 | 2008-10-08 | 山特维克知识产权股份有限公司 | A milling cutter head and a milling cutter tool with holow spaces for receiving a male element |
| CN202824793U (en) * | 2012-09-14 | 2013-03-27 | 常熟天地煤机装备有限公司 | Brute-force connection disc milling cutter dedicated for guiding sliding shoe of coal cutter |
-
2012
- 2012-09-14 CN CN2012103389192A patent/CN102825320A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA634110A (en) * | 1962-01-09 | L. Garberding Waldo | Cutting tool | |
| CN1121329A (en) * | 1993-04-14 | 1996-04-24 | Cnc精密特种刀具有限公司 | Cutting tool |
| CN1354707A (en) * | 2000-04-10 | 2002-06-19 | 帕斯卡株式会社 | Tool holder mounting structure |
| CN101282807A (en) * | 2005-10-05 | 2008-10-08 | 山特维克知识产权股份有限公司 | A milling cutter head and a milling cutter tool with holow spaces for receiving a male element |
| CN202824793U (en) * | 2012-09-14 | 2013-03-27 | 常熟天地煤机装备有限公司 | Brute-force connection disc milling cutter dedicated for guiding sliding shoe of coal cutter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530766A (en) * | 2018-12-19 | 2019-03-29 | 西安煤矿机械有限公司 | A kind of processing method for processing guide slip shoe groove |
| CN112620759A (en) * | 2020-12-28 | 2021-04-09 | 徐少华 | Milling cutter capable of synchronously replacing cutting edges |
| CN114951832A (en) * | 2022-06-30 | 2022-08-30 | 深圳市中孚能电气设备有限公司 | Insert, tool assembly and heat sink |
| CN114951832B (en) * | 2022-06-30 | 2024-04-23 | 深圳市中孚能电气设备有限公司 | Cutter assembly |
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Application publication date: 20121219 |