CN101780549B - Cutting tool for boring inner hole groove - Google Patents
Cutting tool for boring inner hole groove Download PDFInfo
- Publication number
- CN101780549B CN101780549B CN 201010022661 CN201010022661A CN101780549B CN 101780549 B CN101780549 B CN 101780549B CN 201010022661 CN201010022661 CN 201010022661 CN 201010022661 A CN201010022661 A CN 201010022661A CN 101780549 B CN101780549 B CN 101780549B
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- CN
- China
- Prior art keywords
- knife bar
- inner hole
- shift fork
- boring
- hole groove
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The invention discloses a cutting tool for boring an inner hole groove. The cutting tool can be used for directly boring the inner hole groove without taking off a workpiece after the inner hole process is performed on a drilling machine or a milling machine. The cutting tool for boring the inner hole groove comprises a cutter bar and a tool bit, wherein the tool bit is inserted in a square hole of the cutter bar in a sliding fit way; the upper end of the tool bit is connected with a cutting feed shifting fork; the cutting feed shifting fork toggles the tool bit to move axially along a boring tool bar to bore the inner hole groove; the cutting feed shifting fork is hinged with the cutter bar through a hinged shaft; the cutting feed shifting fork abuts against a sliding sleeve; the sliding sleeve is in sliding fit connection with the cutter bar; the shifting fork connected with the sliding sleeve is arranged at the lower end of a threaded rod; the threaded rod is connected with a fixed seat with nuts; the fixed seat is arranged on the cutter bar through a shaft; the lower part of the cutting feed shifting fork is provided with a spring; and a guide sleeve and a guide post are arranged on one side of the fixed seat to play an auxiliary guide role and prevent safety accidents caused by that the fixed seat rotates along with the cutter bar.
Description
Technical field
The present invention relates to a kind of machine tool, be specifically related to utilize the cutting tool for boring of drilling machine or milling machine processing inner hole groove.
Background technology
The processing of inner hole groove generally is to process first endoporus on drilling machine or milling machine, transfers to and processes inner hole groove on the boring machine.This processing method exists that secondary is installed, the secondary centering, and not only time-consuming, production efficiency is low, also produces easily the secondary correct error, affects crudy.If volume of part to be processed is large, also be subjected to the restriction of boring table, sometimes can't process.
Summary of the invention
In order to solve the prior art problem, the invention provides a kind of cutting tool for boring inner hole groove, after drilling machine or milling machine are finished endoporus processing, needn't take off workpiece, just can be with the direct boring inner hole groove of this cutter.
The present invention is achieved through the following technical solutions: a kind of cutting tool for boring inner hole groove comprises the knife bar that is connected with machine tool chief axis and the cutter head that is installed on the knife bar; It is characterized in that: described cutter head sliding fit is inserted in the square hole of knife bar end, and the upper end of cutter head is connected with feed shift fork lower end, and the feed shift fork is stirred cutter head along the axially-movable of knife bar, realizes the boring of inner hole groove; Described feed shift fork is hinged by jointed shaft and knife bar, and the sliding sleeve lower surface is pressed close in the upper end of feed shift fork; Described sliding sleeve is connected with the knife bar sliding fit by key; The shift fork upper and lower end that is connected with sliding sleeve is installed in the lower end of screw rod by Spring Card, and described screw rod is connected with holder by nut, and described holder is installed in the top of knife bar by bearing and bearing cap; The bottom of described feed shift fork also arranges spring, and check ring is close in described spring lower end, and check ring is connected with knife bar by Spring Card; Spring housing is contained on the spring housing, and the endoporus sliding fit of described spring housing is inserted on the knife bar, and the feed shift fork is close in the spring housing upper end.
Described holder is the cone of both sides band wing, the wing of one side by many fixedly jackscrew be connected with nut with Spring Card, the wing of opposite side is connected with guide pin bushing by Spring Card, the guide pillar sliding fit is inserted in the hole of guide pin bushing, the lower end of guide pillar arranges magnechuck, and described magnechuck is connected with part to be processed.
Described cutter head upper end makes hemispherical groove, and the end of described feed shift fork makes hemispherical head, and the hemispherical head sliding fit is inserted in the described hemispherical groove.
Described knife bar bottom also arranges spacing jackscrew near the position of cutter head.
Good effect of the present invention is:
1, just can directly process inner hole groove without boring machine, convenient and swift, production efficiency is high.
2, be not subjected to the restriction of workpiece size, the scope of application is wide;
3, eliminate the secondary correct error that is installed, machining accuracy is high.
Description of drawings
The below is described in further details the present invention with embodiment with reference to the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of Fig. 1.
Among the figure, 1, screw rod, 2, holder, 3, nut, 4, bearing, 5, knife bar, 6, bearing cap, 7, guide pillar, 8, guide pin bushing, 9, sliding sleeve, 10, key, 11, spring housing, 12, spring, 13, check ring, 14, spacing jackscrew, 15, magnechuck, 16, part to be processed, 17, cutter head, 18, the feed shift fork, 18-1, hemispherical head, 19, jointed shaft, 20, shift fork, 21, Spring Card, 22, fixing jackscrew.
The specific embodiment
As shown in Figure 1 and Figure 2: a kind of cutting tool for boring inner hole groove comprises knife bar 5 and the cutter head 17 that is installed on the knife bar; It is characterized in that: described cutter head 17 sliding fits are inserted in the square hole of knife bar end, and the upper end of cutter head 17 is connected with feed shift fork 18 lower ends, and feed shift fork 18 is stirred cutter head 17 along the axially-movable realization boring inner hole groove of knife bar 5; Described feed shift fork 18 is hinged by jointed shaft 19 and knife bar 5, and sliding sleeve 9 lower surfaces are pressed close in the upper end of feed shift fork 18; Described sliding sleeve 9 is connected with knife bar 5 sliding fits by key 10; Shift fork 20 upper and lower ends that are connected with sliding sleeve 9 are installed in the lower end of screw rod 1 by Spring Card 21, and described screw rod 1 is connected with holder 2 by nut 3, and described holder 2 is installed in the top of knife bar 5 by bearing 4 and bearing cap 6; The bottom of described feed shift fork 18 also arranges spring 12, and check ring 13 is close in described spring 12 lower ends, and check ring 13 is connected with knife bar 5 by Spring Card 21, and spring 12 is sleeved on the spring housing 11; The endoporus sliding fit of described spring housing 11 is inserted on the knife bar 5, and feed shift fork 18 is close in spring housing 11 upper ends.Knife bar 5 adopts Morse's taper to be connected fast with milling machine or drilling machine, and knife bar 5 can rotate in holder 2, also can move up and down with the lathe main shaft.
During use, turn screw rod 1 and move down in nut 3, shift fork 20 drives sliding sleeve 9 along knife bar 5 down slidings, and sliding sleeve 9 promotes feed shift fork 18 and rotates around jointed shaft 19, and feed shift fork 18 promotes cutter head 17 and moves radially, and realizes the inner hole groove on the processing work.The effect of spring 12 is: in the process of cutting workpiece groove, if firmly excessive, cause easily process tool to damage, spring 12 can play the effect of buffering.
Described holder 2 is the cone of both sides band wing, the wing of one side by many fixedly jackscrew 22 are connected with Spring Card and are connected with nut 3, the wing of opposite side is connected with guide pin bushing 8 by Spring Card 21, guide pillar 7 sliding fits are inserted in the hole of guide pin bushing 8, the lower end of guide pillar 7 arranges magnechuck 15, and described magnechuck is connected with part 16 to be processed.The effect of guide pin bushing 8, guide pillar 7 is when knife bar 5 moves up and down, and plays the effect of auxiliary guiding; Simultaneously, the magnechuck 15 of guide pillar 7 lower ends is connected with workpiece, prevents that holder 2 from following boring cutter bar 5 rotation, causes security incident.
Described cutter head 17 upper ends make hemispherical groove, and the end of feed shift fork 18 makes hemispherical head 18-1, and hemispherical head 18-1 sliding fit is inserted in the described hemispherical groove.This connected mode is seamless connectivity, makes cutter head 17 mobile under the control of feed shift fork 18 all the time.
Described boring cutter bar 5 bottoms also arrange spacing jackscrew 14 near the not position of cutter head, can regulate boring tool radial feed cutting output, during batch production, guarantee the error of gash depth, reduce the workload that groove depth is measured, and increase work efficiency.
Claims (4)
1. cutting tool for boring inner hole groove comprises the knife bar (5) that is connected with machine tool chief axis and is installed in cutter head (17) on the knife bar; It is characterized in that: described cutter head (17) sliding fit is inserted in the square hole of knife bar (5) end, the upper end of cutter head (17) is connected with feed shift fork (18) lower end, feed shift fork (18) is stirred cutter head (17) along the radial motion of knife bar (5), realizes the boring of inner hole groove; Described feed shift fork (18) is hinged by jointed shaft (19) and knife bar (5), and sliding sleeve (9) lower surface is pressed close in the upper end of feed shift fork (18); Described sliding sleeve (9) is connected with knife bar (5) sliding fit by key (10); Shift fork (20) upper and lower end that is connected with sliding sleeve (9) is installed in the lower end of screw rod (1) by Spring Card (21), described screw rod (1) is connected with holder (2) by nut (3), and described holder (2) is installed in the top of knife bar (5) by bearing (4) and bearing cap (6); The bottom of described feed shift fork (18) also arranges spring (12), and check ring (13) is close in described spring (12) lower end, and check ring (13) is connected with knife bar (5) by Spring Card (21); Spring (12) is sleeved on the spring housing (11), and the endoporus sliding fit of described spring housing (11) is inserted on the knife bar (5), and feed shift fork (18) is close in spring housing (11) upper end.
2. cutting tool for boring inner hole groove according to claim 1, it is characterized in that: described holder (2) is the cone of both sides band wing, the wing of one side by many fixedly jackscrew (22) be connected 21 with Spring Card) be connected with nut (3), the wing of opposite side is connected with guide pin bushing (8) by Spring Card (21), guide pillar (7) sliding fit is inserted in the hole of guide pin bushing (8), the lower end of guide pillar (7) arranges magnechuck (15), and described magnechuck is connected with part to be processed (16).
3. cutting tool for boring inner hole groove according to claim 1, it is characterized in that: described cutter head (17) upper end makes hemispherical groove, the end of described feed shift fork (18) makes hemispherical head (18-1), and hemispherical head (18-1) sliding fit is inserted in the described hemispherical groove.
4. it is characterized in that according to claim 1 or cutting tool for boring inner hole groove claimed in claim 3: described knife bar (5) bottom also arranges spacing jackscrew (14) near the position of cutter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010022661 CN101780549B (en) | 2010-01-12 | 2010-01-12 | Cutting tool for boring inner hole groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010022661 CN101780549B (en) | 2010-01-12 | 2010-01-12 | Cutting tool for boring inner hole groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101780549A CN101780549A (en) | 2010-07-21 |
| CN101780549B true CN101780549B (en) | 2013-01-23 |
Family
ID=42520759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010022661 Expired - Fee Related CN101780549B (en) | 2010-01-12 | 2010-01-12 | Cutting tool for boring inner hole groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101780549B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934388A (en) * | 2010-09-19 | 2011-01-05 | 潍坊浩泰机械有限责任公司 | Boring machine capable of processing multiple pores simultaneously |
| CN102672535A (en) * | 2012-01-17 | 2012-09-19 | 江苏高精机电装备有限公司 | Boring cutter rod error compensating device with slide block structure |
| CN114054791B (en) * | 2021-12-24 | 2024-05-24 | 重庆渝记涵诚机械制造有限公司 | Method for automatically positioning hole machining depth |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5611651A (en) * | 1992-12-14 | 1997-03-18 | Wohlhaupter Gmbh | Boring tool |
| CN2732395Y (en) * | 2004-08-19 | 2005-10-12 | 陈硕 | Radial feeding groove boring cutter |
| CN101301687A (en) * | 2008-06-13 | 2008-11-12 | 十堰高明精密机械有限公司 | Accurate digital control boring head |
| CN201644826U (en) * | 2010-01-12 | 2010-11-24 | 上海大屯能源股份有限公司 | Cutter boring inner hole groove on drilling machine or milling machine |
-
2010
- 2010-01-12 CN CN 201010022661 patent/CN101780549B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5611651A (en) * | 1992-12-14 | 1997-03-18 | Wohlhaupter Gmbh | Boring tool |
| CN2732395Y (en) * | 2004-08-19 | 2005-10-12 | 陈硕 | Radial feeding groove boring cutter |
| CN101301687A (en) * | 2008-06-13 | 2008-11-12 | 十堰高明精密机械有限公司 | Accurate digital control boring head |
| CN201644826U (en) * | 2010-01-12 | 2010-11-24 | 上海大屯能源股份有限公司 | Cutter boring inner hole groove on drilling machine or milling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101780549A (en) | 2010-07-21 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20160112 |