CN100445031C - Cutter adjusting device - Google Patents
Cutter adjusting device Download PDFInfo
- Publication number
- CN100445031C CN100445031C CNB2005100344289A CN200510034428A CN100445031C CN 100445031 C CN100445031 C CN 100445031C CN B2005100344289 A CNB2005100344289 A CN B2005100344289A CN 200510034428 A CN200510034428 A CN 200510034428A CN 100445031 C CN100445031 C CN 100445031C
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- Prior art keywords
- cutter
- adjusting device
- cantilever
- tool rest
- holder
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Abstract
The present invention relates to a cutter adjusting device. The present invention comprises a cutter, a cutter base and a fixing base, wherein the cutter is arranged on the cutter base. The fixing base comprises a bottom plate and a suspension arm, the cutter base is arranged on the suspension arm of the fixing base, and piezoelectric ceramics are arranged between the bottom plate and the suspension arm. The piezoelectric ceramics can be extended when switched on to push the suspension arm to move upwards, and the position of the cutter is changed. The length of the piezoelectric ceramics can be changed within a small zone, and therefore, the position of the cutter can be adjusted precisely.
Description
[technical field]
The present invention relates to lathe, relate in particular to the cutter adjusting device that is used on the lathe.
[background technology]
Processing modes such as traditional machining is car, mill, plane, mill are used for the shape of workpiece such as processing mold, and these manufacturing process must carry out on the corresponding lathe separately, as lathe, milling machine, planer and grinding machine etc.Corresponding cutter is installed on lathe, and when starting lathe, this cutter can be processed the surface or the inside of workpiece.
Along with continuous advancement in technology, the precision of machining has been proposed higher requirement, precision even ultraprecise processing have all obtained using widely.Desire realizes so high precision, and except the static accuracy of board itself, the precision of its cutter and the position adjustments of cutter all can produce directly influence to the precision of processing.Machining lathe commonly used all has tool regulator, its position adjustments is arrived the optimum state of processing work.
Fig. 1 is a tool regulator of the prior art, comprise cutter 301, knife bar 302, knife bar seat 303 and adjust screw rod 304, wherein knife bar 302 places on the knife bar seat 303, cutter 301 is installed on the knife bar 302, contact-making surface between knife bar 302 and the knife bar seat 303 is the inclined-plane, adjust screw rod 304 1 ends and be connected with knife bar 302, the other end is connected with knife bar seat 303 by screw thread.Rotate and adjust screw rod 304, knife bar 302 is moved on knife bar seat 303, it is adjusted to suitable height thereby can make knife bar 302 drive cutter 301.
Above-mentioned cutter adjusting device is to drive knife bar 302 with adjustment screw rod 304 with respect to 303 rotations of knife bar seat to do oblique movement, be difficult in screw rod and adjust the cutter height in micron order even the littler scope, and threaded engagement of long duration can elastic fatigue occur and relax, so that influence the accurate position of cutter 301, thereby be not easy to realize precision or ultraprecise processing.In addition, adjust the precision that screw rod 304 accuracy of threads own directly can influence processing component, thereby the accuracy of thread of adjustment screw rod 304 is had relatively high expectations.
[summary of the invention]
Given this, be necessary to provide a kind of cutter adjusting device, can be accurately and easily regulate the position of cutter.
A kind of cutter adjusting device, comprise cutter, tool rest, holder and piezoelectric ceramics, this cutter is installed on the tool rest, this holder comprises a base plate and a cantilever, tool rest is installed on the cantilever of this holder, this base plate and this suspended wall form the space of end sealing other end opening, and this piezoelectric ceramics is installed in this space.
Compare with prior art, seal in the space of other end opening because this piezoelectric ceramics is installed in an end of this base plate and the formation of this suspended wall, thereby can accurately control the position of cutter.
[description of drawings]
Fig. 1 is the front view of cutter adjusting device in the prior art.
Fig. 2 is the stereogram of better embodiment cutter adjusting device of the present invention.
Fig. 3 be better embodiment cutter adjusting device of the present invention holder along A among Fig. 2 to side view.
Fig. 4 is the stereogram of tool rest in the better embodiment cutter adjusting device of the present invention.
Fig. 5 is the tool rest of better embodiment cutter adjusting device of the present invention and the installation diagram of holder.
[specific embodiment]
Fig. 2 is the cutter adjusting device 100 of the present invention's one better embodiment, and this cutter adjusting device 100 is used for lathe, and it comprises piezoelectric ceramic piece 2, cutter 4, tool rest 6, holder 7 and coarse adjustment screw 9.
As shown in Figure 4, tool rest 6 movably is installed on the holder 7, and it has a side 62, two bar holes 66 that this side 62 is provided with a projection 64 and is positioned at these projection 64 both sides.Projection 64 protrudes out from the outside level in the middle part of this side 62, and projection 64 is provided with the screwed hole 642 that stretches out direction perpendicular to projection 64.Bar hole 66 is used to cooperate the screwed hole 748 of described holder 7 so that tool rest 6 is fixed on cantilever 74.
As shown in Figure 5, be fixed on the board 102 by the base plate 72 of hold-down screw 12 with holder 7, tool rest 6 is installed on the cantilever 74 of holder 7.When tool rest 6 is installed, the projection on it 64 is placed chamber 744 on cantilever 74 sides 742, and fitted in the side 62 of tool rest 6 and the side 742 of this cantilever 74.Screw 9 is stretched into and pass the screwed hole 642 of projection 64 from the hole 746 at holder 7 tops, screw 9 has the nut 92 of a diameter greater than hole 746, thereby after screw 9 installed, its nut 92 was positioned at the top of holder 7, can not enter in the hole 746.
Please consult Fig. 2 again, cutter 4 is made up of blade 42 and blade 44, and blade 42 directly carries out processing such as turning to workpiece, and its each side mechanical performance is had relatively high expectations, and generally selects diamond, diamond equal strength and the higher material of hardness for use.Blade 42 and blade 44 are one-body molded or be bonded together by modes such as welding, utilize a compressing member 14 to cooperate plural screw that the blade 44 of cutter 4 is fixed on the table top 69 of tool rest 6.
When rotary screw 9, its projection 64 that drives tool rest 6 is made vertical motion in the chamber 744 of cantilever 74, thereby can change the height of cutter 4.
See also Fig. 3 and Fig. 4, for the limitation in height of cutter 4 in certain scope, a screwed hole 644 is set, the direction setting that this screwed hole 644 protrudes out along projection 64 on the projection 64 of tool rest 6.One strip through-hole 745 is set on the side 742 of holder 7, and this through hole 745 is positioned at chamber 744, and its length direction is consistent with the length direction of through hole 745.As Fig. 5, these cutter adjusting device 100 outsides are locked a screw 18 in the screwed hole 644 of this projection 64 by the strip through-hole 745 of holder 7 to inside certainly, and the nut of screw 18 is stuck in outside the strip through-hole 745 of cantilever 74.When tool rest 6 moves up and down under the effect of screw 9, also motion in this strip through-hole 745 of screw 18, thereby the range of movement of tool rest 6 is remained in the length range of strip through-hole 745, also just limited the altitude range of cutter 4.
In order to realize more accurate adjusting, utilize the height of 2 pairs of cutters 4 of piezoelectric ceramic piece to finely tune.Piezoelectric ceramic piece 2 is an electrostriction material, have flex effect under electric field action, its stroke is relevant with energising voltage and polarised direction thereof with flexible direction, and the deformation quantity that piezoelectric ceramic piece 2 produces under electric field action is very little, generally, be used for accurate control at micron order more.
As shown in Figure 2, holder 7 is materials such as stainless steel, its base plate 72 and cantilever 74 are one-body molded, form space 76 between the two with end sealing other end opening, 76 the blind end from the space (being the end that base plate 72 is connected with cantilever 74) forms cylindrical cavity 762, slit 764 and U-shaped cavity 766 successively to openend, and this structure can guarantee that cantilever 74 has certain resilient bias amount with respect to base plate 72.
Described piezoelectric ceramic piece 2 is installed in the U-shaped cavity 766 of holder 7, can be one or more pieces.Give piezoelectric ceramic piece 2 energisings, its length h can extend, and cantilever 74 is applied a thrust that makes progress because holder 7 has a long and narrow space 76, thereby the cantilever 74 that forms this space under the effect of described thrust according to the upwards skew of elasticity of self material.This piezoelectric ceramic piece 2 is flexible in very little scope, and cutter 4 is fixed on the cantilever 74 indirectly, thereby can realize the fine setting of cutter 4 according to the trace skew of cantilever 74.In the process of the skew of cantilever 74, base plate 72 is fixed on the board 102, keeps motionless.Energising voltage is determined, the elongation of piezoelectric ceramic piece 2 will keep certain value, can change the elongation of piezoelectric ceramic piece 2 by the change of voltage, the side-play amount of cantilever 74 also changes thereupon, thereby in the time cutter 4 need being returned to original height, with piezoelectric ceramic piece 2 outages, piezoelectric ceramic piece 2 is returned to initial length, cantilever 74 descends, and gets back to initial position and drive cutter 4.
The stroke of piezoelectric ceramic piece 2 can accurately be regulated the height of cutter 4 by the elongation of energising Control of Voltage piezoelectric ceramic piece 2 generally at micron order.The elongation of piezoelectric ceramic piece 2 and energising magnitude of voltage are corresponding one by one, can be implemented in than in the zonule height of cutter 4 accurately being adjusted.
When using cutter adjusting device 100, generally utilize the height of 9 pairs of cutters 4 of coarse adjustment screw to carry out coarse adjustment earlier, after adjusting, tool rest 6 is fixed on the cantilever 74, and keep this height with screw 16.Give piezoelectric ceramic piece 2 energisings again, it is highly finely tuned.Because the fine setting that piezoelectric ceramic piece 2 is realized is by voltage-controlled, therefore can rapidly and accurately cutter 4 be adjusted to the height that needs.
Claims (6)
1. cutter adjusting device, comprise cutter, tool rest, holder and piezoelectric ceramics, this cutter is installed on the tool rest, it is characterized in that: described holder comprises a base plate and a cantilever, tool rest is installed on the cantilever of this holder, this base plate and this cantilever form the space of end sealing other end opening, and this piezoelectric ceramics is installed in this space.
2. cutter adjusting device according to claim 1 is characterized in that: described base plate and cantilever are one-body molded at blind end, and the two is parallel to each other.
3. cutter adjusting device according to claim 2 is characterized in that: the space between described cantilever and the base plate is followed successively by cylindricality, slit and U-shaped from the blind end to the openend, and piezoelectric ceramics is installed in this U-shaped space.
4. cutter adjusting device according to claim 1, it is characterized in that: described tool rest side has a projection, the cantilever side of this holder has a chamber, the projection of described tool rest places in the chamber of holder, has screwed hole on the projection of this tool rest, one screw cooperates with this screwed hole, and its nut is stuck in the holder outside.
5. cutter adjusting device according to claim 4, it is characterized in that: the installation direction of described screw is consistent with the direction of motion of tool rest, direction vertical with this screwed hole on the projection of tool rest is provided with another screwed hole, has a through hole in the chamber of cantilever side, in another screwed hole of this projection, its nut is stuck in outside the through hole another screw by this through hole locking.
6. cutter adjusting device according to claim 1 is characterized in that: described cutter adjusting device is used for lathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100344289A CN100445031C (en) | 2005-04-23 | 2005-04-23 | Cutter adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100344289A CN100445031C (en) | 2005-04-23 | 2005-04-23 | Cutter adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1850440A CN1850440A (en) | 2006-10-25 |
| CN100445031C true CN100445031C (en) | 2008-12-24 |
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ID=37131950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100344289A Expired - Fee Related CN100445031C (en) | 2005-04-23 | 2005-04-23 | Cutter adjusting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN100445031C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009071A (en) * | 2012-12-17 | 2013-04-03 | 厦门大学 | Tool fine adjustment mechanism |
| CN105679557A (en) * | 2016-03-10 | 2016-06-15 | 佘峰 | Blade corrector for bulk capacitance shear pin machine |
| CN108672729A (en) * | 2018-08-07 | 2018-10-19 | 陈耀龙 | Big stroke high sensitivity Lathe tool tip high-precision adjusting apparatus |
| CN109693145B (en) * | 2019-01-13 | 2020-10-30 | 深圳大学 | Tool setting device for improving rotation deviation of tool and alignment method thereof |
| CN111702555B (en) * | 2020-06-02 | 2022-05-20 | 大连理工大学 | Device and method for precisely adjusting height of turning tool nose on machine |
| CN112063832B (en) * | 2020-09-16 | 2022-07-19 | 哈尔滨工业大学 | High-precision dynamic tool setting system and tool setting method for ultrasonic impact machining |
| CN112139567A (en) * | 2020-09-27 | 2020-12-29 | 森泰英格（成都）数控刀具股份有限公司 | Cutting diameter adjusting structure of drill |
| CN114800783B (en) * | 2022-05-10 | 2023-08-22 | 江苏科技大学 | Rolling forming device and method for fireproof composite board |
| CN117961108B (en) * | 2024-04-02 | 2024-06-18 | 吉林大学 | Height-adjustable tool rest of ultra-precision machine tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87212415U (en) * | 1987-11-06 | 1988-09-28 | 李旭淮 | Floating cutter without refacing |
| JPS6461530A (en) * | 1987-05-25 | 1989-03-08 | Elitex Zavody Textilniho | Brake roller driving mechanism for tension controller of fiber machine |
| CN2125151U (en) * | 1992-07-01 | 1992-12-16 | 王书森 | Optical fibre cutting machine |
| CN2139814Y (en) * | 1992-09-29 | 1993-08-11 | 沈阳市大东区医疗器械研究所 | Ultrasonic scalpel |
| WO1995007159A1 (en) * | 1993-09-10 | 1995-03-16 | Sandvik Ab | Thread cutting insert with chip breakers |
| CN2235344Y (en) * | 1995-11-13 | 1996-09-18 | 枣庄机床厂 | Single column type vertical boring or drilling machine tool |
-
2005
- 2005-04-23 CN CNB2005100344289A patent/CN100445031C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6461530A (en) * | 1987-05-25 | 1989-03-08 | Elitex Zavody Textilniho | Brake roller driving mechanism for tension controller of fiber machine |
| CN87212415U (en) * | 1987-11-06 | 1988-09-28 | 李旭淮 | Floating cutter without refacing |
| CN2125151U (en) * | 1992-07-01 | 1992-12-16 | 王书森 | Optical fibre cutting machine |
| CN2139814Y (en) * | 1992-09-29 | 1993-08-11 | 沈阳市大东区医疗器械研究所 | Ultrasonic scalpel |
| WO1995007159A1 (en) * | 1993-09-10 | 1995-03-16 | Sandvik Ab | Thread cutting insert with chip breakers |
| CN2235344Y (en) * | 1995-11-13 | 1996-09-18 | 枣庄机床厂 | Single column type vertical boring or drilling machine tool |
Non-Patent Citations (1)
| Title |
|---|
| 利用压电陶瓷实现刀具自动补偿. 安徽省机械科学研究所连杆自动线联合设计组压电补偿试验小组.组合机床与自动化加工技术，第3期. 1977 * |
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| Publication number | Publication date |
|---|---|
| CN1850440A (en) | 2006-10-25 |
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