CN102581668B - Tool positioning-clamping mechanism for milling machine - Google Patents
Tool positioning-clamping mechanism for milling machine Download PDFInfo
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- CN102581668B CN102581668B CN201210053740.2A CN201210053740A CN102581668B CN 102581668 B CN102581668 B CN 102581668B CN 201210053740 A CN201210053740 A CN 201210053740A CN 102581668 B CN102581668 B CN 102581668B
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- cutter
- pull bar
- toolholder body
- axis
- nut
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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 machine tooling field, is a kind of cutter positioning clamp system for milling machine concretely.
Background technology
At present, when processing cylinder head, need to adopt milling machine to process, for cutter and the milling machine spindle of milling machine, mainly rely on Morse's taper clamping and positioning, Morse's taper is the international standard of a tapering, for stationary fit accurately to locate.Because tapering is very little, can transmit certain torque, again because there is tapering, institute is so that dismounting, and the principle of frictional force that what Morse's taper utilized is exactly, in certain range of taper, workpiece is free to dismounting.Milling machine generally adopts metric taper, but along with the precision of machining improves constantly, existingly can not meet new processing request by the mode that metric taper is connected with cutter as milling machine spindle, its subject matter is that connection rigidity is inadequate, and at a high rotation rate, due to the expansion of spindle taper hole, reduce repetitive positioning accuracy and tool changing precision, and clamping effect is good not.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of and connects good rigidly, the cutter positioning clamp system for milling machine that clamping effect is good.
For solving the problems of the technologies described above, a kind of cutter positioning clamp system for milling machine of the present invention, comprise cutter, toolholder body and pull bar, described toolholder body part to be contained in machine tool chief axis and to fix with machine tool chief axis, toolholder body is provided with centre bore, and cutter sleeve is connected in centre bore, and pull bar is contained in centre bore, pull bar one end is connected with toolholder body, and the pull bar other end is connected with cutter.
As preferably, described toolholder body and machine tool chief axis fixedly refer to, machine tool chief axis outer circumference surface is provided with radial hole, toolholder body outer circumference surface is provided with first screwed hole corresponding with radial hole position, also comprise bolt and the waist type key for embedding radial hole, waist type key is provided with the through hole corresponding with the first screwed hole position, and bolt is fixed through the through hole on waist type key and toolholder body.
As preferably, be also provided with coning sleeve between described cutter and toolholder body, cutter sleeve is connected in coning sleeve, and coning sleeve is socketed in centre bore.
After adopting said structure, the present invention has the following advantages: adopt positioning and clamping mechanism, toolholder body in positioning and clamping mechanism and machine tool chief axis are spirally connected, cutter is connected with pull bar and fixes, pull bar is connected with toolholder body and axial limiting, connected by these, make cutter be connected with machine tool chief axis and fix, such connected mode connects than original employing Morse's taper, connects rigidity better, connect also more firm, clamping effect is also better, and when machine tool chief axis High Rotation Speed, cutter rotates more steady, and cutter not easily comes off from main shaft, safety coefficient is higher.
As improvement, described pull bar one end is connected with toolholder body and axial limiting refers to, pull bar right-hand member is provided with the first external screw thread, also comprises the nut coordinated with the first external screw thread, and nut left side and toolholder body right side offset.Adopt such connected mode, connect simple, easy accessibility, and connect comparatively firm, pull bar is served to the effect of axial limiting.
As improvement, be also provided with ring washer between nut and toolholder body, nut left side and ring washer right side offset, and ring washer left side and toolholder body right side offset.Ring washer is set between nut and toolholder body, makes nut and toolholder body be connected precision better.
As improvement, the described pull bar other end is connected with cutter and fixedly refers to, pull bar and cutter are spirally connected, and pull bar left end is provided with the second external screw thread, and cutter right-hand member is provided with the second screwed hole coordinated with pull bar left end second external screw thread.Pull bar and cutter are spirally connected, connected mode is simple, easy accessibility, and connects comparatively firm, and the axially-movable and the circumference that limit cutter are rotated simultaneously.
As improvement, also comprise dismounting nut, the outer circumference surface of described toolholder body near left side is provided with and the 3rd external screw thread dismantled nut and match.When toolholder body and machine tool chief axis are fixed, by right rotation dismounting nut, the whole positioning and clamping mechanism for milling machine is moved to left to moving, fastening effect can be played; When toolholder body and machine tool chief axis are not fixed, by right rotation dismounting nut, the whole positioning and clamping mechanism for milling machine is moved to left, can be for convenience detach.
As improvement, the axis of the axis of cutter, the axis of coning sleeve, the axis of toolholder body, the axis of pull bar and machine tool chief axis on the same line.The axis of the axis of the axis of the axis of cutter, coning sleeve, toolholder body, the axis of pull bar and machine tool chief axis is arranged on the same line, makes this cutter positioning clamp system precision for milling machine higher, and more steady when operating.
Accompanying drawing explanation
Fig. 1 is the explosive view of the present invention for the cutter positioning clamp system of milling machine.
Fig. 2 is the structural representation of the present invention for the cutter positioning clamp system of milling machine.
Shown in 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, 8-nut, 9-ring washer, 10-dismantles nut.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As illustrated in fig. 1 and 2, a kind of cutter positioning clamp system for milling machine, comprise cutter 1, toolholder body 3 and pull bar 4, described cutter 1 is slotting cutter, and it is interior and fixing with machine tool chief axis 5 that described toolholder body 3 part is contained in machine tool chief axis 5, toolholder body 3 and machine tool chief axis fit tightly, toolholder body 3 is provided with centre bore 3.1, and cutter 1 is socketed in centre bore 3.1, and pull bar 4 is contained in centre bore 3.1, pull bar 4 one end is connected with toolholder body 3, and pull bar 4 other end is connected with cutter 1.
Described toolholder body 3 fixedly refers to 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 first screwed hole 3.2 corresponding with radial hole 5.1 position, also comprise bolt 6 and the waist type key 7 for embedding radial hole 5.1, waist type key 7 is identical with radial hole 5.1 shape, so waist type key 7 and radial hole 5.1 fit tightly, waist type key 7 is provided with the through hole 7.1 corresponding with the first screwed hole 3.2 position, and bolt 6 is fixed through the through hole 7.1 on waist type key 7 and toolholder body 3.
Also be provided with coning sleeve 2 between described cutter 1 and toolholder body 3, cutter 1 is socketed in coning sleeve 2, and coning sleeve 2 is socketed in centre bore 3.1, and described cutter 1 fits tightly with coning sleeve 2, and coning sleeve 2 and centre bore 3.1 fit tightly.
Described pull bar 4 one end is connected with toolholder body 3 and axial limiting refers to, pull bar 4 right-hand member is provided with the first external screw thread 4.1, also comprises the nut 8 coordinated with the first external screw thread 4.1, and nut 8 left side and toolholder body 3 right side offset.
Also be provided with ring washer 9 between nut 8 and 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.
Described pull bar 4 other end is connected with cutter 1 and fixedly refers to, pull bar 4 and cutter 1 are spirally connected, and pull bar 4 left end is provided with the second external screw thread 4.2, and cutter 1 right-hand member is provided with the second screwed hole 1.1 coordinated with pull bar 4 left end second external screw thread 4.2.
Also comprise dismounting nut 10, the outer circumference surface of described toolholder body 3 near left side is provided with and the 3rd external screw thread 3.3 dismantled nut 10 and match.
The axis of the axis of cutter 1, the axis of coning sleeve 2, the axis of toolholder body 3, the axis of pull bar 4 and machine tool chief axis 5 on the same line.
When this cutter positioning clamp system being used for milling machine is installed, first cutter 1 and coning sleeve 2 are socketed, then pull bar 4 and cutter 1 are spirally connected, the part combined is placed in the centre bore 3.1 of toolholder body 3, by the first external screw thread 4.1 on the right side of nut 8 and pull bar 4, itself and handle of a knife 3 are fixed, then toolholder body 3 is fixed with machine tool chief axis 5 by waist type key 7 and bolt 6, finally dismounting nut 10 is screwed in toolholder body 3, make this cutter positioning clamp system for milling machine fastening.
When this is used for the cutter positioning clamp system dismounting of milling machine, first waist type key 7 and bolt 6 are removed, now, just can by dismantling nut 10 to right rotation, dismounting nut 10 right side and machine tool chief axis 5 left side are offseted, and continue to screw in dismounting nut 10, remaining component is moved right, and remaining component just can disassemble from machine tool chief axis 5 by this.
Claims (3)
1. the cutter positioning clamp system for milling machine, it is characterized in that: comprise cutter (1), toolholder body (3) and pull bar (4), it is interior and fixing with machine tool chief axis (5) that described toolholder body (3) part is contained in machine tool chief axis (5), toolholder body (3) is provided with centre bore (3.1), cutter (1) is socketed in centre bore (3.1), pull bar (4) is contained in centre bore (3.1), pull bar (4) one end is connected with toolholder body (3) and axial limiting, pull bar (4) other end is connected with cutter (1) and fixes,
Described toolholder body (3) and machine tool chief axis (5) fixedly refer to, machine tool chief axis (5) outer circumference surface is provided with radial hole (5.1), toolholder body (3) outer circumference surface is provided with first screwed hole (3.2) corresponding with radial hole (5.1) position, also comprise bolt (6) and the waist type key (7) for embedding radial hole (5.1), waist type key (7) is provided with the through hole (7.1) corresponding with the first screwed hole (3.2) position, bolt (6) is fixed through the through hole (7.1) on waist type key (7) and toolholder body (3),
Coning sleeve (2) is also provided with between described cutter (1) and toolholder body (3), cutter (1) is socketed in coning sleeve (2), and coning sleeve (2) is socketed in centre bore (3.1);
Described pull bar (4) one end is connected with toolholder body (3) and axial limiting refers to, pull bar (4) right-hand member is provided with the first external screw thread (4.1), also comprise the nut (8) coordinated with the first external screw thread (4.1), nut (8) left side and toolholder body (3) right side offset;
Described pull bar (4) other end is connected with cutter (1) and fixedly refers to, pull bar (4) and cutter (1) are spirally connected, pull bar (4) left end is provided with the second external screw thread (4.2), and cutter (1) right-hand member is provided with the second screwed hole (1.1) coordinated with pull bar (4) left end second external screw thread (4.2);
Also comprise dismounting nut (10), described toolholder body (3) is provided with and the 3rd external screw thread (3.3) dismantled nut (10) and match near the outer circumference surface of left side.
2. the cutter positioning clamp system for milling machine according to claim 1, it is characterized in that: between nut (8) and toolholder body (3), be also provided with ring washer (9), nut (8) left side and ring washer (9) right side offset, and ring washer (9) left side and toolholder body (3) right side offset.
3. the cutter positioning clamp system for milling machine according to claim 1, is characterized in that: the axis of the axis of cutter (1), the axis of coning sleeve (2), the axis of toolholder body (3), the axis of pull bar (4) and machine tool chief axis (5) on the same 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 CN102581668A (en) | 2012-07-18 |
| CN102581668B true CN102581668B (en) | 2015-03-25 |
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| 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 |
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| CN (1) | CN102581668B (en) |
Families Citing this family (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 |
| CN107860345B (en) * | 2017-11-17 | 2023-07-07 | 深圳市圆梦精密技术研究院 | Auxiliary device for testing jump of knife handle |
| 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 |
| 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 |
| CN110977569B (en) * | 2019-11-22 | 2021-03-23 | 嘉兴五洲轴承科技有限公司 | Rapid tool changing mechanism for numerical control machining |
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 |
-
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 |
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| Publication number | Publication date |
|---|---|
| CN102581668A (en) | 2012-07-18 |
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