CN102581668A - Tool positioning-clamping mechanism for milling machine - Google Patents
Tool positioning-clamping mechanism for milling machine Download PDFInfo
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- CN102581668A CN102581668A CN2012100537402A CN201210053740A CN102581668A CN 102581668 A CN102581668 A CN 102581668A CN 2012100537402 A CN2012100537402 A CN 2012100537402A CN 201210053740 A CN201210053740 A CN 201210053740A CN 102581668 A CN102581668 A CN 102581668A
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- cutter
- pull bar
- toolholder body
- milling machine
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Abstract
The invention discloses a tool positioning-clamping mechanism for a milling machine, which comprises a tool (1), a tool shank (3) and a pull bar (4). The tool shank (3) is partially contained in a machine spindle (5) and fixed to the same, the tool shank (3) is provided with a center hole (3.1), the tool (1) is nested into the center hole (3.1), the pull bar (4) is contained in the center hole (3.1), one end of the pull bar (4) is connected with the tool shank (3) and axially limited, the other end of the pull bar (4) is fixedly connected with the tool (1), and accordingly the tool (1) is fixedly connected with the machine spindle (5). The connection way is higher in connection rigidity than the original Morse taper connection way, connection is more stable, and clamping is better. When the machine spindle is in high-speed rotation, the tool is more stable in rotation and less apt to fall from the spindle, and safety factor is higher.
Description
Technical field
The present invention relates to the machine tooling field, is a kind of cutter positioning clamp mechanism that is used for milling machine concretely.
Background technology
At present, when the processing cylinder head, needing to adopt milling machine to process, be used for the cutter and the milling machine spindle of milling machine, mainly is to rely on the Morse's taper clamping and positioning, and Morse's taper is the international standard of a tapering, is used for stationary fit with accurate location.Because tapering is very little, can transmit certain torque, again because tapering is arranged, institute is so that dismounting, the Morse's taper utilization be exactly the principle of frictional force, in certain range of taper, workpiece is free to dismounting.Milling machine generally adopts metric taper; But along with the precision of cut improves constantly, existingly can not satisfy new processing request with metric taper as milling machine spindle and cutter ways of connecting, its subject matter is that connection rigidity is not enough; And under high rotating speed; Because the expansion of spindle taper hole has reduced repetitive positioning accuracy and tool changing precision, and it is good inadequately to clamp effect.
Summary of the invention
The technical problem that the present invention will solve is that the cutter positioning clamp mechanism that is used for milling machine that a kind of connection rigidity is good, clamping is effective is provided.
For solving the problems of the technologies described above, a kind of cutter positioning clamp mechanism that is used for milling machine of the present invention comprises cutter, toolholder body and pull bar; Said toolholder body partly is contained in the machine tool chief axis and with machine tool chief axis and fixes; Toolholder body is provided with centre bore, and cutter is socketed in the centre bore, and pull bar is contained in the centre bore; Pull bar one end is connected with toolholder body, and the pull bar other end is connected with cutter.
As preferably; Said toolholder body and machine tool chief axis fixedly are meant; The machine tool chief axis outer circumference surface is provided with radial hole, and the toolholder body outer circumference surface is provided with and corresponding first screwed hole in radial hole position, also comprises bolt and the waist type key that is used to embed radial hole; Waist type key is provided with and the corresponding through hole in the first screwed hole position, and through hole and toolholder body that bolt passes on the waist type key are fixed.
As preferably, also be provided with coning sleeve between said cutter and the toolholder body, cutter is socketed in the coning sleeve, and coning sleeve is socketed in the centre bore.
After adopting said structure, the present invention has the following advantages: adopt positioning and clamping mechanism, toolholder body and machine tool chief axis in the positioning and clamping mechanism are spirally connected; Cutter is connected with pull bar and is fixing, and pull bar is connected with toolholder body and axial limiting, through these connections; Cutter is connected and fixing with machine tool chief axis, such connected mode connects than original employing Morse's taper, and connection rigidity is better; Connect also more firmly, it is also better to clamp effect, when machine tool chief axis rotates at a high speed; Cutter rotation is more steady, and cutter is difficult for coming off from main shaft, and safety coefficient is higher.
As improvement, said pull bar one end is connected with toolholder body and axial limiting is meant that the pull bar right-hand member is provided with first external screw thread, comprises also and the first external screw thread nut engaged that nut left side and toolholder body right side offset.Adopt such connected mode, connect simply, easy accessibility, and connect has more firmly played the effect of axial limiting to pull bar.
As improvement, also be provided with ring washer between nut and the toolholder body, nut left side and ring washer right side offset, and ring washer left side and toolholder body right side offset.Between nut and toolholder body, ring washer is set, it is better to make nut and toolholder body be connected precision.
As improvement, the said pull bar other end is connected with cutter and fixedly is meant, pull bar and cutter are spirally connected, and the pull bar left end is provided with second external screw thread, and the cutter right-hand member is provided with second screwed hole that cooperates with pull bar left end second external screw thread.Pull bar and cutter are spirally connected, and connected mode is simple, easy accessibility, and connection is more firm, has limited the axially-movable of cutter and circumferentially rotation simultaneously.
As improvement, also comprise the dismounting nut, said toolholder body is provided with near the outer circumference surface of left side and dismantles the 3rd external screw thread that nut matches.Fixedly the time,, the whole positioning and clamping mechanism that is used for milling machine is moved to left to moving at toolholder body and machine tool chief axis, can play fastening effect through to right rotation dismounting nut; Not fixedly the time,, the whole positioning and clamping mechanism that is used for milling machine is moved to left at toolholder body and machine tool chief axis through to right rotation dismounting nut, can be for convenience detach.
As improvement, the axis of the axis of the axis of cutter, the axis of coning sleeve, toolholder body, the axis of pull bar and machine tool chief axis is on same straight line.The axis of cutter, the axis of coning sleeve, the axis of toolholder body, the axis of pull bar and the axis of machine tool chief axis are arranged on the same straight line, and the cutter positioning clamp mechanism precision that makes this be used for milling machine is higher, and when running is more steady.
Description of drawings
Fig. 1 is used for the explosive view of the cutter positioning clamp mechanism of milling machine for the present invention.
Fig. 2 is used for the structural representation of the cutter positioning clamp mechanism of milling machine for the present invention.
Shown in the figure, 1-cutter, 1.1-second screwed hole, 2-coning sleeve, 3-toolholder body; 3.1-centre bore, 3.2-screwed hole, 3.3-the 3rd external screw thread, 4-pull bar, 4.1-first external screw thread; 4.2-second external screw thread, 5-machine tool chief axis, 5.1-radial hole, 6-bolt, 7-waist type key; 7.1-through hole, the 8-nut, the 9-ring washer, 10-dismantles nut.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed description.
As illustrated in fig. 1 and 2, a kind of cutter positioning clamp mechanism that is used for milling machine comprises cutter 1, toolholder body 3 and pull bar 4; Said cutter 1 is a slotting cutter, and said toolholder body 3 parts are contained in the machine tool chief axis 5 and with machine tool chief axis 5 and fix, and toolholder body 3 fits tightly with machine tool chief axis; Toolholder body 3 is provided with centre bore 3.1, and cutter 1 is socketed in the centre bore 3.1, and pull bar 4 is contained in the centre bore 3.1; Pull bar 4 one ends are connected with toolholder body 3, and pull bar 4 other ends are connected with cutter 1.
Said toolholder body 3 fixedly is meant with machine tool chief axis 5; Machine tool chief axis 5 outer circumference surfaces are provided with radial hole 5.1; Toolholder body 3 outer circumference surfaces are provided with and corresponding first screwed hole 3.2 in radial hole 5.1 positions; Also comprise bolt 6 and the waist type key 7 that is used to embed radial hole 5.1, waist type key 7 is identical with radial hole 5.1 shapes, so waist type key 7 fits tightly with radial hole 5.1; Waist type key 7 is provided with and the corresponding through hole 7.1 in first screwed hole, 3.2 positions, and the through hole 7.1 that bolt 6 passes on the waist type key 7 is fixing with toolholder body 3.
Also be provided with coning sleeve 2 between said cutter 1 and the toolholder body 3, cutter 1 is socketed in the coning sleeve 2, and coning sleeve 2 is socketed in the centre bore 3.1, and said cutter 1 fits tightly with coning sleeve 2, and coning sleeve 2 fits tightly with centre bore 3.1.
Said pull bar 4 one ends are connected with toolholder body 3 and axial limiting is meant that pull bar 4 right-hand members are provided with first external screw thread 4.1, comprise also and first external screw thread, 4.1 nut engaged 8 that nut 8 left sides and toolholder body 3 right sides offset.
Also be provided with ring washer 9 between nut 8 and the toolholder body 3, nut 8 left sides and ring washer 9 right sides offset, and ring washer 9 left sides and toolholder body 3 right sides offset.
Said pull bar 4 other ends are connected with cutter 1 and fixedly are meant, pull bar 4 is spirally connected with cutter 1, and pull bar 4 left ends are provided with second external screw thread 4.2, and cutter 1 right-hand member is provided with second screwed hole 1.1 that cooperates with pull bar 4 left ends second external screw thread 4.2.
Also comprise dismounting nut 10, said toolholder body 3 is provided with near the outer circumference surface of left side and dismantles the 3rd external screw thread 3.3 that nut 10 matches.
The axis of the axis of the axis of the axis of the axis of cutter 1, coning sleeve 2, toolholder body 3, pull bar 4 and machine tool chief axis 5 is on same straight line.
When this cutter positioning clamp mechanism that is used for milling machine is installed,, then pull bar 4 and cutter 1 are spirally connected earlier with cutter 1 and coning sleeve 2 sockets; The part that combines is placed in the centre bore 3.1 of toolholder body 3; Through first external screw thread 4.1 on nut 8 and pull bar 4 right sides, itself and handle of a knife 3 is fixing, then that toolholder body 3 is fixing with machine tool chief axis 5 through waist type key 7 and bolt 6; To dismantle nut 10 at last and screw in toolholder body 3, the cutter positioning clamp mechanism that makes this be used for milling machine is fastening.
When this cutter positioning clamp mechanism that is used for milling machine is dismantled; Earlier waist type key 7 and bolt 6 are removed, at this moment, just can be through dismantling nut 10 to right rotation; Dismounting nut 10 right sides and machine tool chief axis 5 left sides are offseted; And continue to screw in dismounting nut 10, and remaining component is moved right, this just can disassemble remaining component from machine tool chief axis 5.
Claims (8)
1. cutter positioning clamp mechanism that is used for milling machine; It is characterized in that: comprise cutter (1), toolholder body (3) and pull bar (4); Said toolholder body (3) part is contained in the machine tool chief axis (5) and with machine tool chief axis (5) and fixes; Toolholder body (3) is provided with centre bore (3.1), and cutter (1) is socketed in the centre bore (3.1), and pull bar (4) is contained in the centre bore (3.1); Pull bar (4) one ends are connected with toolholder body (3) and axial limiting, and pull bar (4) other end is connected with cutter (1) and is fixing.
2. the cutter positioning clamp mechanism that is used for milling machine according to claim 1; It is characterized in that: said toolholder body (3) fixedly is meant with machine tool chief axis (5); Machine tool chief axis (5) outer circumference surface is provided with radial hole (5.1); Toolholder body (3) outer circumference surface is provided with and radial hole (5.1) corresponding first screwed hole in position (3.2); Also comprise bolt (6) and be used to embed the waist type key (7) of radial hole (5.1), waist type key (7) is provided with and the corresponding through hole in first screwed hole (3.2) position (7.1), and the through hole (7.1) that bolt (6) passes on the waist type key (7) is fixing with toolholder body (3).
3. the cutter positioning clamp mechanism that is used for milling machine according to claim 1; It is characterized in that: also be provided with coning sleeve (2) between said cutter (1) and the toolholder body (3); Cutter (1) is socketed in the coning sleeve (2), and coning sleeve (2) is socketed in the centre bore (3.1).
4. the cutter positioning clamp mechanism that is used for milling machine according to claim 1; It is characterized in that: said pull bar (4) one ends are connected with toolholder body (3) and axial limiting is meant; Pull bar (4) right-hand member is provided with first external screw thread (4.1); Comprise also and first external screw thread (4.1) nut engaged (8) that nut (8) left side and toolholder body (3) right side offset.
5. the cutter positioning clamp mechanism that is used for milling machine according to claim 4; It is characterized in that: also be provided with ring washer (9) between nut (8) and the toolholder body (3); Nut (8) left side and ring washer (9) right side offset, and ring washer (9) left side and toolholder body (3) right side offset.
6. the cutter positioning clamp mechanism that is used for milling machine according to claim 1; It is characterized in that: said pull bar (4) other end is connected with cutter (1) and fixedly is meant; Pull bar (4) is spirally connected with cutter (1); Pull bar (4) left end is provided with second external screw thread (4.2), and cutter (1) right-hand member is provided with second screwed hole (1.1) that cooperates with pull bar (4) left end second external screw thread (4.2).
7. the cutter positioning clamp mechanism that is used for milling machine according to claim 1; It is characterized in that: also comprise dismounting nut (10), said toolholder body (3) is provided with near the outer circumference surface of left side and dismantles the 3rd external screw thread (3.3) that nut (10) matches.
8. the cutter positioning clamp mechanism that is used for milling machine according to claim 1 is characterized in that: the axis of the axis of the axis of cutter (1), coning sleeve (2), the axis of toolholder body (3), pull bar (4) and the axis of machine tool chief axis (5) are on same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210053740.2A CN102581668B (en) | 2012-03-05 | 2012-03-05 | Tool positioning-clamping mechanism for milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210053740.2A CN102581668B (en) | 2012-03-05 | 2012-03-05 | Tool positioning-clamping mechanism for milling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102581668A true CN102581668A (en) | 2012-07-18 |
| CN102581668B CN102581668B (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210053740.2A Expired - Fee Related CN102581668B (en) | 2012-03-05 | 2012-03-05 | Tool positioning-clamping mechanism for milling machine |
Country Status (1)
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| CN (1) | CN102581668B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717025A (en) * | 2017-09-22 | 2018-02-23 | 石家庄钢铁有限责任公司 | A kind of steel end-quenched processing milling tool with highly-efficient processing ability |
| CN107860345A (en) * | 2017-11-17 | 2018-03-30 | 深圳市圆梦精密技术研究院 | Handle of a knife bounce testing auxiliary device |
| CN108326641A (en) * | 2018-03-28 | 2018-07-27 | 郭毅 | Clamp assemblies and knife sharpener |
| CN109226858A (en) * | 2018-10-31 | 2019-01-18 | 郑州市钻石精密制造有限公司 | A kind of milling machine and its milling knife handle |
| CN110977569A (en) * | 2019-11-22 | 2020-04-10 | 嘉兴五洲轴承科技有限公司 | Rapid tool changing mechanism for numerical control machining |
Citations (7)
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| US4148246A (en) * | 1977-02-09 | 1979-04-10 | Ex-Cell-O Corporation | High speed spindle and draw bar assembly |
| US4436463A (en) * | 1981-09-17 | 1984-03-13 | General Electric Company | Quick change tooling system |
| EP0104008A1 (en) * | 1982-09-03 | 1984-03-28 | Hurco Manufacturing Company, Inc. | Machine tool spindle stop and tool release mechanism |
| DE3403360A1 (en) * | 1984-02-01 | 1985-08-08 | Werkzeugmaschinenfabrik Adolf Waldrich Coburg Gmbh & Co, 8630 Coburg | Auxiliary high-speed gearing for drilling, milling and suchlike machine tools |
| CN1062315A (en) * | 1991-09-02 | 1992-07-01 | 深圳泰克新技术开发公司 | Workpiece fixture for drilling and threading |
| CN2456874Y (en) * | 2000-12-31 | 2001-10-31 | 万向钱潮股份有限公司 | Autoamtic centring expand clamp of grinding ball head milling cutter |
| CN202571953U (en) * | 2012-03-05 | 2012-12-05 | 宁波远达船机配件有限公司 | Cutter positioning and clamping mechanism used for milling machine |
-
2012
- 2012-03-05 CN CN201210053740.2A patent/CN102581668B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4148246A (en) * | 1977-02-09 | 1979-04-10 | Ex-Cell-O Corporation | High speed spindle and draw bar assembly |
| US4436463A (en) * | 1981-09-17 | 1984-03-13 | General Electric Company | Quick change tooling system |
| EP0104008A1 (en) * | 1982-09-03 | 1984-03-28 | Hurco Manufacturing Company, Inc. | Machine tool spindle stop and tool release mechanism |
| DE3403360A1 (en) * | 1984-02-01 | 1985-08-08 | Werkzeugmaschinenfabrik Adolf Waldrich Coburg Gmbh & Co, 8630 Coburg | Auxiliary high-speed gearing for drilling, milling and suchlike machine tools |
| CN1062315A (en) * | 1991-09-02 | 1992-07-01 | 深圳泰克新技术开发公司 | Workpiece fixture for drilling and threading |
| CN2456874Y (en) * | 2000-12-31 | 2001-10-31 | 万向钱潮股份有限公司 | Autoamtic centring expand clamp of grinding ball head milling cutter |
| CN202571953U (en) * | 2012-03-05 | 2012-12-05 | 宁波远达船机配件有限公司 | Cutter positioning and clamping mechanism used for milling machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717025A (en) * | 2017-09-22 | 2018-02-23 | 石家庄钢铁有限责任公司 | A kind of steel end-quenched processing milling tool with highly-efficient processing ability |
| CN107860345A (en) * | 2017-11-17 | 2018-03-30 | 深圳市圆梦精密技术研究院 | Handle of a knife bounce testing auxiliary device |
| CN108326641A (en) * | 2018-03-28 | 2018-07-27 | 郭毅 | Clamp assemblies and knife sharpener |
| CN108326641B (en) * | 2018-03-28 | 2024-02-20 | 盈珈迈精密制造（深圳）有限公司 | Clamping assembly and knife grinder |
| CN109226858A (en) * | 2018-10-31 | 2019-01-18 | 郑州市钻石精密制造有限公司 | A kind of milling machine and its milling knife handle |
| CN109226858B (en) * | 2018-10-31 | 2023-12-05 | 郑州市钻石精密制造有限公司 | Milling machine tool and milling cutter handle thereof |
| CN110977569A (en) * | 2019-11-22 | 2020-04-10 | 嘉兴五洲轴承科技有限公司 | Rapid tool changing mechanism for numerical control machining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102581668B (en) | 2015-03-25 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150325 Termination date: 20160305 |