CN101733671A - Worm-gear type collet chuck locking mechanism - Google Patents
Worm-gear type collet chuck locking mechanism Download PDFInfo
- Publication number
- CN101733671A CN101733671A CN201010111400A CN201010111400A CN101733671A CN 101733671 A CN101733671 A CN 101733671A CN 201010111400 A CN201010111400 A CN 201010111400A CN 201010111400 A CN201010111400 A CN 201010111400A CN 101733671 A CN101733671 A CN 101733671A
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- worm
- collet chuck
- cavity
- locking mechanism
- gear
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 230000008602 contraction Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Abstract
The invention relates to a locking mechanism of machine tools and provides a lock device which is characterized by convenient replacement and regulation of tool, compact structure and high holding precision and can accurately, reliably and conveniently hold and fix the tool. The technical scheme of the invention is that a worm-gear type collet chuck locking mechanism comprises a main body having a cavity on a right half part; the right end of the cavity is of a cone shape; a cone-shaped collet chuck which is used for holding a knife handle and is matched with the cavity is arranged in the cavity; and the cone-shaped collet chuck is provided with a plurality of contraction joints along a cone-shaped bus direction. The inner side of the main body is provided with a pair of worm-gear mechanisms used for exerting an acting force on the cone-shaped collet chuck along the axial direction of the main body. A worm wheel in the worm-gear mechanism is coaxially arranged on the main body; the left end thereof is matched with the main body by the thread; the right end is matched with the left end of the cone-shaped collet chuck by the thread; and the thread directions of the left and right ends are reverse.
Description
Technical field
The present invention relates to a kind of locking device of machine tool, specifically is the fixing retaining mechanism of instrument such as milling bit on all kinds of Metal Cutting Machine Tools.
Background technology
In the production practices process, tend to run into because of cutter clamping shank diameter too greatly can't deep hole processing or the problem of dark bottom surface.Cutter grip shank on the existing market generally is the split type handle of a knife of price comparison costliness and the interchangeability very poor cutter of the same diameter of clamping (handle of a knife can only) and needs lock the handle of a knife of cutter with tearing blind rivet open.
Shown in Figure 1 is conventional collet chuck nut type handle of a knife comprises handle of a knife body 2, and the lower end of handle of a knife body is equipped with a locking nut 3, and tool-holder is contained in the clamping chamber of handle of a knife body lower end and by locking nut 3 and locks.This type of Knife handle structure is simple, but when rapidoprint, the 1A place in the material 1 and the 3A place of locking nut 3 have interference, so this type of handle of a knife can not be processed the deep hole in the material 1.
Shown in Figure 2 is conventional hot charging formula handle of a knife, comprises handle of a knife body 2A, and tool-holder is contained in the clamping chamber of handle of a knife body lower end.As can be seen from the figure, the diameter of handle of a knife body is less, can finish the processing to the deep hole in the material 1, but the versatility of this type of handle of a knife is not strong, handle of a knife can only the same diameter of clamping cutter, and handle of a knife itself also needs cutter to be packed in the clamping chamber with the hot charging machine.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned background technology, a kind of improvement of retaining mechanism is provided, this retaining mechanism should have changes and adjusts cutter convenience, compact conformation, characteristics that the clamping precision is high, with can be accurately, reliably, easily cutter is gripped.
The technical solution used in the present invention is: a kind of Worm-gear type collet chuck locking mechanism comprises that right half part is shaped on the body of cavity; The right-hand member of described cavity is taper, is provided with a tapered collet that is used for the clamping handle of a knife that matches with it in the cavity, and described tapered collet is shaped on some shrinkage joints along the taper generatrix direction; It is characterized in that: the worm-and-wheel gear that a pair of tapered collet applies the active force on the body axis direction also is set in the described body.
Worm gear in the described worm-and-wheel gear and body coaxial line are installed, and its left end and body be by threaded engagement, and right-hand member then passes through threaded engagement with the left end of described tapered collet, and the hand of spiral at two ends, the left and right sides is opposite.
Be shaped on the groove that is linked to be a circle around the outer wall circumferencial direction on the described worm gear; Described body is provided with limit screw and the lock-screw that matches with described groove.
Each shrinkage joint on the described tapered collet all extends to the right and connects with the right-hand member edge of tapered collet.
Operation principle of the present invention is: utilize space angle conversion and the bigger characteristics of gearratio in the worm-and-wheel gear, when using the spanner rotary worm from the outside, worm gear in the cavity can rotate accordingly, thereby drive tapered collet side-to-side movement on the axis direction of collet chuck, reach the purpose of locking or loosening cutter.
The invention has the beneficial effects as follows: when installation or replacing cutter, only need to realize locking or loosening cutter, and need not from lathe to pull down handle of a knife laborsaving and replacing and easy to adjust with the spanner rotary worm; The locking degree of collet chuck can be controlled by worm screw, can be accurately, reliably cutter is gripped; Simple and compact for structure, make more or less freely and cost is lower.
Description of drawings
Fig. 1 is the structural representation of the collet chuck nut type handle of a knife of routine.
Fig. 2 is the structural representation of the hot charging formula handle of a knife of routine.
Fig. 3 is a main TV structure schematic diagram of the present invention.
Fig. 4 be among Fig. 3 B-B to the sectional structure schematic diagram.
Fig. 5 be among Fig. 3 A-A to the sectional structure schematic diagram.
The specific embodiment
Below in conjunction with Figure of description technical scheme of the present invention is described further.
As Fig. 4, shown in Figure 5, a kind of Worm-gear type collet chuck locking mechanism comprises that right half part is shaped on the body 8 of cavity (as can be seen from the figure, the left end of this cavity is a cylindricality, and right-hand member is taper); Be provided with a tapered collet 9 that matches with this body (tool-holder is contained in the clamping chamber of tapered collet) in the described cavity; Also be provided with a worm gear 10 (this worm gear and body coaxial line are installed) in the described cavity, the left end of this worm gear 10 and described body are by threaded engagement (10A place among the figure), and the left end of the right-hand member of worm gear 10 and described tapered collet 9 is by threaded engagement (10B place among the figure); Also be provided with on the described body 8 one with the worm screw 11 of described worm wheel.
The hand of spiral at two ends, worm gear 10 left and right sides (10A, 10B place among the figure) is opposite, makes tapered collet 9 can be on its axis direction be consistent with the direction of motion of worm gear 10.
The top of described worm screw 11 is provided with hexagonal screw 11A, can use die nut that it is rotated, thereby drives worm gear 10 rotations and then make tapered collet 9 motion to the left or to the right on the axis direction of collet chuck, can lock or loosening cutter 17; Described worm screw 11 is also disposed a jump ring 16, to realize the location of worm screw.
Be shaped on the groove 12 that is linked to be a circle around the outer wall circumferencial direction on the described worm gear 10; Described body is provided with match with described groove limit screw 13 and lock-screw 14, make worm gear 10 can only be on the axis direction of collet chuck motion limited distance to the left or to the right.
Described tapered collet 9 is shaped on some shrinkage joint 9C along the taper generatrix direction, and each shrinkage joint all extends to the right and connects with the right-hand member edge of tapered collet, makes tapered collet radially have certain elastic movement leeway; When tapered collet 9 was subjected on the axis direction of pulling force at collet chuck of worm gear 10 to left movement, the cavity of handle of a knife body can be exerted pressure to collet chuck, makes the tapered collet radial contraction, and then the locking cutter; When moving right on tapered collet is subjected to the axis direction of thrust at collet chuck of worm gear, tapered collet is recovered original state, loosening cutter 17.
Claims (4)
1. a Worm-gear type collet chuck locking mechanism comprises that right half part is shaped on the body of cavity (8); The right-hand member of described cavity is taper, is provided with a tapered collet that matches with it (9) in the described cavity, and described tapered collet is shaped on some shrinkage joints along the taper generatrix direction (9C); It is characterized in that: the worm-and-wheel gear that a pair of tapered collet (9) applies the active force on the body axis direction also is set in the described body (8).
2. a kind of Worm-gear type collet chuck locking mechanism according to claim 1, it is characterized in that: the worm gear in the described worm-and-wheel gear (10) is installed with body (8) coaxial line, its left end and described body (8) pass through threaded engagement, right-hand member then with the left end of described tapered collet (9) by threaded engagement, the hand of spiral at two ends, the left and right sides is opposite.
3. a kind of Worm-gear type collet chuck locking mechanism according to claim 1 and 2 is characterized in that: be shaped on the groove (12) that is linked to be a circle around the outer wall circumferencial direction on the described worm gear (10); Described body (8) is provided with limit screw (13) and the lock-screw (14) that matches with described groove (12).
4. a kind of Worm-gear type collet chuck locking mechanism according to claim 1 and 2 is characterized in that: each shrinkage joint (9C) on the described tapered collet (9) all extends to the right and connects with the right-hand member edge of tapered collet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101114001A CN101733671B (en) | 2009-12-14 | 2010-01-22 | Worm-gear type collet chuck locking mechanism |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920202408.1 | 2009-12-14 | ||
| CN200920202408 | 2009-12-14 | ||
| CN2010101114001A CN101733671B (en) | 2009-12-14 | 2010-01-22 | Worm-gear type collet chuck locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101733671A true CN101733671A (en) | 2010-06-16 |
| CN101733671B CN101733671B (en) | 2011-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101114001A Expired - Fee Related CN101733671B (en) | 2009-12-14 | 2010-01-22 | Worm-gear type collet chuck locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101733671B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513857A (en) * | 2011-12-13 | 2012-06-27 | 株洲钻石切削刀具股份有限公司 | Tool clamp capable of adjusting overhang amount of tool in a large range |
| CN103921141A (en) * | 2014-04-14 | 2014-07-16 | 上海大众汽车有限公司 | Replacement method and adjusting tool for shrink fit tools |
| CN104755205A (en) * | 2012-06-05 | 2015-07-01 | 罗伯特·博世有限公司 | Quick-change collet assembly and its manufacture |
| 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 |
| CN105081417A (en) * | 2015-08-18 | 2015-11-25 | 苏小明 | Double-knife drilling bit |
| CN105665764A (en) * | 2016-03-28 | 2016-06-15 | 曲阜市崇德精密机械有限公司 | Locking device for torque tool handle collet |
| CN107127363A (en) * | 2016-02-27 | 2017-09-05 | 上海新山田精密刀具有限公司 | Rear pull type reamer handle of a knife |
| CN112059652A (en) * | 2020-08-24 | 2020-12-11 | 常州正河源数控工具有限公司 | Handle structure of high-speed cutter and manufacturing process thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201693387U (en) * | 2009-12-14 | 2011-01-05 | 嘉兴永佳精密机械制造有限公司 | Worm-and-gear collet locking mechanism |
-
2010
- 2010-01-22 CN CN2010101114001A patent/CN101733671B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513857A (en) * | 2011-12-13 | 2012-06-27 | 株洲钻石切削刀具股份有限公司 | Tool clamp capable of adjusting overhang amount of tool in a large range |
| CN104755205A (en) * | 2012-06-05 | 2015-07-01 | 罗伯特·博世有限公司 | Quick-change collet assembly and its manufacture |
| CN103921141A (en) * | 2014-04-14 | 2014-07-16 | 上海大众汽车有限公司 | Replacement method and adjusting tool for shrink fit tools |
| CN103921141B (en) * | 2014-04-14 | 2016-06-22 | 上汽大众汽车有限公司 | The replacing options of hot jacket cutter and the instrument of adjustment |
| 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 |
| CN105081417A (en) * | 2015-08-18 | 2015-11-25 | 苏小明 | Double-knife drilling bit |
| CN107127363A (en) * | 2016-02-27 | 2017-09-05 | 上海新山田精密刀具有限公司 | Rear pull type reamer handle of a knife |
| CN105665764A (en) * | 2016-03-28 | 2016-06-15 | 曲阜市崇德精密机械有限公司 | Locking device for torque tool handle collet |
| CN105665764B (en) * | 2016-03-28 | 2018-05-22 | 曲阜市崇德精密机械有限公司 | A kind of torque handle of a knife tube clamp locking device |
| CN112059652A (en) * | 2020-08-24 | 2020-12-11 | 常州正河源数控工具有限公司 | Handle structure of high-speed cutter and manufacturing process thereof |
| CN112059652B (en) * | 2020-08-24 | 2022-05-20 | 常州正河源数控工具有限公司 | Handle structure of high-speed cutter and manufacturing process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101733671B (en) | 2011-06-08 |
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Granted publication date: 20110608 Termination date: 20190122 |