CN104070212B - Combined tools for machining holes and machining methods - Google Patents
Combined tools for machining holes and machining methods Download PDFInfo
- Publication number
- CN104070212B CN104070212B CN201410292270.4A CN201410292270A CN104070212B CN 104070212 B CN104070212 B CN 104070212B CN 201410292270 A CN201410292270 A CN 201410292270A CN 104070212 B CN104070212 B CN 104070212B
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- tool
- knife bar
- machining
- hole
- bit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/08—Drills combined with tool parts or tools for performing additional working
Abstract
The invention discloses two kinds of combined tools arranged on lathes for machining holes and machining methods thereof; according to the combined tools for machining holes and the machining methods thereof, the problems that in machining, the existing hole machining methods are large in drill bit consumption, vertical positions of noses of the tools in workpiece holes are inconvenient to adjust and cooling liquid cannot be fully filled can be solved. The combined tool for machining holes comprises a toolbar and a tool bit, wherein one end of the toolbar is provided with a Morse taper shank while the other end is provided with a square groove; the tool bit is installed in the square groove through a fastener; two sides of the end of the tool bit are respectively provided with a chip breaker groove; the toolbar is provided with a through hole along the axis direction; one end, close to the tool bit, of the through hole is provided with a step-shaped hole, and the diameter of the step-shaped hole is more than the width of the tool bit. When the combined tool is used for machining a deep hole, the cooling liquid can be fully filled, so that cutting environment is improved, and service life of the tool and machining quality of product are enhanced; with improvement on the tool bit, compared with the original technology of repairing a waste connecting sleeve by a drill bit, the combined tool is greatly improved in machining efficiency.
Description
Technical field
The invention belongs to machining technology field, process the gang tool in hole more particularly, to two kinds and utilize above-mentioned knife
The method in tool processing hole.
Background technology
Either drilling, reaming or the processing of internal thread, typically all need to fill sufficient coolant, cool down under normal circumstances
Liquid is filled on drill bit or knife bar near aperture, and when deep hole machining is carried out, coolant does not enter cutter head position or entrance
Seldom, significantly reduce cooling effect and the lubrication to cutter and workpiece, and then influence cutter life and product
Crudy.
In blast furnace opening and the drilling tool of underground rock drilling when using, because the waste and old connection that power often produces greatly many is refused in torsion
Set, most of size of these adapter sleeves be all it is intact, it is recycling by repairing.In waste and old adapter sleeve operation is repaired,
Usually using conventional bit to fractureing the drill head in adapter sleeve or arbor head carries out drilling removal, due to drill steel or arbor head
Hardness between HRC48 ~ 53, and the hardness of conventional bit is general in HRC52 or so, adds snap irregular, because
Bit wear is big during this drilling operation and often interrupts phenomenon, constantly wants coping drills, the processing method exist labour intensity it is high,
Low production efficiency and consumption cost of charp tool defect high.In the market also has the carbide drill of extreme hardness, but poor toughness is not
Impact resistance, is not suitable for processing the snap of irregular, and the drill bit is expensive.
The reaming or during machining internal thread on lathe, the high and low position of the point of a knife of cutter in workpiece hole, uses cutter
The influence such as life-span, workpiece surface quality and processing efficiency is larger.In the prior art, the height of point of a knife is adjusted before processing or in processing
During position, adjusted on knife rest by increasing and decreasing the equipment on turning-machine for setting-on cutting tools of different-thickness, or by sharpen cutter adjust, thrust it is big
It is small that influence can be also produced on the high and low position of point of a knife, therefore position of tool tip adjustment is cumbersome and precision is not high.
The content of the invention
The invention discloses gang tool and its processing method that hole is processed on two kinds of lathes, above-mentioned asking can be fully solved
Topic.
In order to achieve the above object, the present invention provides following technical scheme：
There is Morse taper shank, the other end to have for a kind of gang tool in processing hole, including knife bar and cutter head, described knife bar one end
There is square groove, the cutter head is arranged in the square groove by fastener, and the termination both sides of cutter head are respectively provided with a chip-breaker,
The knife bar is provided with a through hole in the axial direction.
Further, there is gap between the cutter head and square trench bottom.
Further, the through hole top is provided with stepped hole, the stepped hole with diameter greater than cutter head highly.
Second gang tool in processing hole, including knife bar and the body of tool bit on knife bar, the knife bar is along axis
Direction is provided with a through hole, and knife bar one end has and has screw thread on Morse taper shank, other end lateral surface, and the body of tool bit has and knife
The internal thread that bar external screw thread matches, body of tool bit top has cross recess, is separately installed with four cell bodies of the cross recess
One small bit tool；The chip removal area to lower recess is provided with the cell body interval of cross recess, each chip removal area is connected with a V-shaped groove, knife
Head is angularly disposed in vivo four apertures, and the V-shaped groove is connected with the through hole in knife bar by aperture.
Further, the small bit tool is fixed in the cell body of cross recess by fastener.
Further, the screw thread is corrugated thread.
The processing method of gang tool, comprises the following steps：
Clamp body is flat against in lathe saddle, lead screw for top slide is fastened, folder is inserted into one end of gang tool Morse taper shank
In specific mohs tapered bore, fastening screw, by coolant pipe insertion knife bar intermediate throughholes, makes coolant to enter cutter head portion
Position, starts lathe, and knife bar clamped by saddle drive clamp body is operated.
When it is higher than center to need point of a knife, the fixture screw rod in clamp body is unclamped, after knife bar is rotated up into required position
Fastening clips screw rod；Center is less than if necessary to point of a knife, the fixture screw rod in clamp body is unclamped, knife bar is rotated down required position
Postpone fastening clips screw rod.
Beneficial effect：
Gang tool and processing method that the present invention is provided, when deep hole machining operation is carried out, coolant can be filled fully,
Cutting environment is improved, cutter life and product processing quality is improve；By the improvement of cutter head, and repaiied with drill bit originally
Multiple waste and old adapter sleeve Technical comparing, processing efficiency is greatly improved.In addition, the production time for putting into other products increases.Additionally, with
The fixture mates of inventor's originally design, the gang tool that the present invention is provided can also realize simple and easy to do reaming processing.
Brief description of the drawings
Fig. 1 is the gang tool structural representation in the processing hole that embodiment one is provided；
Fig. 2 is one end schematic diagram of knife bar installation cutter head in embodiment one,（a）It is the schematic diagram equipped with cutter head,（b）For not
The schematic diagram of cutter head is installed；
Fig. 3 is body of tool bit structural representation in embodiment two；
Fig. 4 is the gang tool structural representation in the processing hole that embodiment two is provided；
Fig. 5 is drilling clamp for lathe structural representation.
Reference numerals list：
1- Morse taper shanks, 2- knife bars, 3- corrugated threads, 4- screws, 5- cutter heads, 6- chip-breakers, 7- through holes, 8- body of tool bit,
9- apertures, 10- cross recesses, 11- screws, 12- small bit tools, 13- clamp bodies, 14- screws, 15- open seams, 16- mohs tapered bores,
17- fixture screw rods, 18- packing rings, 19- leads screw for top slide, 20- lathe saddles, 21- square grooves, 22- stepped holes, 23- chip removals area, 24-
V-shaped groove.
Specific embodiment
The technical scheme that the present invention is provided is described in detail below with reference to specific embodiment, it should be understood that following specific
Implementation method is only illustrative of the invention and is not intended to limit the scope of the invention.
Embodiment one：
As shown in figure 1, a kind of gang tool in processing hole, including knife bar 2 and cutter head 5, one end of knife bar 2 is Morse taper shank
1 structure, by the structure, gang tool can be inserted into the mohs tapered bore 16 of tail stock or boring grab, realize quick despatch；
One square groove 21 is arranged at the other end top of knife bar 2, and cutter head 5 can be loaded in the square groove, and cutter head 5 is fastened with two screws 4, knife
Respectively there is a chip-breaker 6 first 5 termination both sides；There is a through hole 7 centre of knife bar 2, and coolant can be from through hole 7 during deep hole processing
Into.Because knife bar is more elongated, in order to ensure the rigidity of knife bar, the diameter of through hole 7 can not be excessive, during processing it was found that
The diameter of through hole 7 is highly smaller compared with cutter head 5, such coolant from through hole 7 flow into when, by cutter head 5 stop smooth cannot flow out.For
Coolant is set effectively to cool down cutter, cutter head 5 should nearby have the region for coolant outflow, and we can install
The seasonal cutter head 5 of cutter head 5 has a certain distance apart from the bottom of square groove 21, so as to form gap, the gap can supply coolant stream
Go out；Stepped hole 22 as shown in Figure 2 can also be set on the top of through hole 7, stepped hole with diameter greater than the height of cutter head 5, platform in Fig. 2
Breach at upper and lower two is formed between rank hole and cutter head 5（Gap）, coolant enters from through hole 7, flows into stepped hole after loading cutter head 5
Two breach for being formed by stepped hole and cutter head 5 in 22, again are flowed out, and can effectively cool down cutter and workpiece.
During using this cutter, during knife bar 2 inserted into tail stock taper hole first, cutter head 5 is put into the square groove of knife bar 2,
Cutter head is fastened with two screws 4, promotes tail stock to make cutter head 5 near working position is wanted, fix tail stock, start lathe,
Shou Oscillating tailstock handles start drilling processing.
Embodiment two：
As shown in Figure 3, Figure 4, second gang tool in processing hole, including knife bar 2 and the body of tool bit on knife bar 2
8, the knife bar 2 is provided with a through hole in the axial direction, and the one end of knife bar 2 has has waveform on Morse taper shank 1, other end lateral surface
Screw thread 3（Here corrugated thread is only a kind of specific example of screw thread, as long as the helicitic texture of mating connection can be formed
May all be applied in the technical program by those skilled in that art）, the body of tool bit 8 have and the external screw thread phase of knife bar 2
The internal thread matched somebody with somebody, the top of body of tool bit 2 has cross recess 10, and a pocket knife is separately installed with four cell bodies of the cross recess 10
First 12, the quantity of small bit tool 12 is four, realizes that multi-cutter multi-blade participates in machining, is especially suitable for fractureing for cutting irregular
Position and deep hole machining.Small bit tool 12 is that in the market is commonly used plus aluminium very hard high-speed tool steel, and 200 millimeters of cutters long can
Segmentation is used for multiple times, relatively the original method using drill bit processing, and the cost of charp tool is remarkably decreased.In the cell body interval of cross recess 10
The chip removal area 23 to lower recess is provided with, because cross recess there are four intervals, therefore the quantity in chip removal area is also four.Each chip removal
Area is connected with a V-shaped groove 24, and V-shaped groove 24 is located on the outer surface of knife bar 2 and extends along the axis direction of knife bar 2, it is clear that V-shaped groove
Quantity is also four, and chip removal area 23 is engaged the good chip removal that can be realized near cutter head with V-shaped groove 24.It is oblique in body of tool bit to set
Four apertures 9 are equipped with, the V-shaped groove is connected with the through hole 7 in knife bar 2 by aperture 9.In deep hole machining, coolant can be from
The end face of body of tool bit 8, sufficiently cool cutter and workpiece are flow in through hole 7, aperture 9.
During using this cutter, during knife bar 2 inserted into tail stock taper hole first, body of tool bit 8 is screwed on knife bar 2,
Small bit tool 12 is respectively charged into the cross recess 10 of body of tool bit 8 and is fastened by screw 11, promote tail stock to lean on cutter head 5
It is near to want working position, fixed tail stock to start lathe , Shou Oscillating tailstock handles and start drilling processing.This method is applied to pole not
The snap and deep hole machining of rule.
Certainly, the outside of knife bar 2 for being provided in embodiment one sets corrugated thread, installs body of tool bit 8 by unloading cutter head 5
On knife bar 2, the processing of above-mentioned snap and deep hole is realized.
Embodiment three：
Inventor applied in 2007 and obtains a kind of utility model patent " drilling clamp for lathe " (ZL2007 of mandate
2 0144284.7) in, a kind of drilling clamp for lathe is disclosed, as shown in figure 5, including clamp body 13, being provided with clamp body
Mohs tapered bore 16, mohs tapered bore 16 is provided with open seam 15 to the edge of clamp body 13, vertical in clamp body mohs tapered bore taper hole side
Be interval with two screws 14 in open seam direction, adding clamp screw rod 17 in screw, fixture screw rod 17 and clamp body 13 it
Between set packing ring 18.
Two kinds of gang tools proposed by the present invention can be used cooperatively with above-mentioned fixture, wherein the processing side of the first cutter
Method is：Clamp body 13 is flat against in lathe saddle 20, lead screw for top slide 19 is fastened, by the knife bar 2 containing cutter head 5（That is embodiment
Cutter in one）In insertion clamp body mohs tapered bore 16（Mohs tapered bore center is contour with the alignment of shafts and axiality is consistent, without
Verification）, fastening clips screw rod 17, in the presence of open seam 15, fixture can tightly encase knife bar 2, by the insertion of coolant pipe
In the intermediate throughholes 7 of knife bar 2, coolant is entered the position of cutter head 5, start lathe, saddle drives knife clamped by clamp body 13
Bar 2 carries out automatic drilling or reaming.Can be by observing the depth of saddle dial control hole, in numerical control lathe on engine lathe
Then by the depth of the accurate control hole of program on bed.
It is higher than center if necessary to point of a knife, knife bar 2 can be rotated up required position, center is less than if necessary to point of a knife,
Knife bar can be rotated down required position, fastening screw 17, in the presence of open seam 15, fixture can tightly encase knife bar 2, will
In the coolant pipe insertion intermediate throughholes 7 of knife bar 2, coolant is entered the position of cutter head 5, start lathe, saddle drives folder
Knife bar 2 carries out reaming processing clamped by specific 13.
The processing method of second cutter is：
Clamp body 13 is flat against in lathe saddle 20, lead screw for top slide 19 is fastened, the knife bar 2 of body of tool bit 8 will be installed（I.e.
Cutter in embodiment two）In insertion clamp body mohs tapered bore 16（Mohs tapered bore center and the alignment of shafts be contour and axiality one
Cause, without verification）, fastening clips screw rod 17, in the presence of open seam 15, fixture can tightly encase knife bar 2, by coolant pipe
In the son insertion intermediate throughholes 7 of knife bar 2, coolant is entered the position of cutter head 5, start lathe, saddle drives the institute of clamp body 13
Clamping knife bar 2 carries out the snap and deep hole machining of irregular.Can be by observing saddle dial on engine lathe
The depth of control hole, then by the depth of the accurate control hole of program on numerically controlled lathe.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned implementation method, also includes
Constituted technical scheme is combined by above technical characteristic.It should be pointed out that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (5)
1. a kind of gang tool in processing hole, including knife bar, it is characterised in that：Also include the body of tool bit on knife bar, institute
State knife bar and be provided with a through hole in the axial direction, knife bar one end has has screw thread, the knife on Morse taper shank, other end lateral surface
Head body has the internal thread matched with knife bar external screw thread, and body of tool bit top has cross recess, four cell bodies of the cross recess
In be separately installed with a small bit tool；The chip removal area to lower recess, the connection of each chip removal area are provided with the cell body interval of cross recess
There is a V-shaped groove, angularly disposed in body of tool bit there are four apertures, the V-shaped groove is connected with the through hole in knife bar by aperture.
2. the gang tool in processing hole according to claim 1, it is characterised in that：The small bit tool is fixed by fastener
In the cell body of cross recess.
3. the gang tool in processing hole according to claim 1, it is characterised in that：The external screw thread is corrugated thread.
4. a kind of processing method of gang tool, it is characterised in that comprise the following steps：
Clamp body is flat against in lathe saddle, lead screw for top slide is fastened, by the combination described in any one in claims 1 to 3
In one end insertion clamp body mohs tapered bore of cutter Morse taper shank, coolant pipe is inserted knife bar intermediate throughholes by fastening screw
In, coolant is entered cutter head position, start lathe, knife bar clamped by saddle drive clamp body is operated.
5. the processing method of gang tool according to claim 4, it is characterised in that：When it is higher than center to need point of a knife,
The fixture screw rod in clamp body is unclamped, knife bar is rotated up into fastening clips screw rod behind required position；It is less than if necessary to point of a knife
Center, unclamps the fixture screw rod in clamp body, and knife bar is rotated down into fastening clips screw rod behind required position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292270.4A CN104070212B (en) | 2014-06-26 | 2014-06-26 | Combined tools for machining holes and machining methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292270.4A CN104070212B (en) | 2014-06-26 | 2014-06-26 | Combined tools for machining holes and machining methods |
Publications (2)
| Publication Number | Publication Date |
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| CN104070212A CN104070212A (en) | 2014-10-01 |
| CN104070212B true CN104070212B (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410292270.4A Active CN104070212B (en) | 2014-06-26 | 2014-06-26 | Combined tools for machining holes and machining methods |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476475A (en) * | 2014-12-17 | 2015-04-01 | 重庆欧帆门业有限公司 | Rapid doornail extraction tool |
| CN111390246A (en) * | 2020-05-09 | 2020-07-10 | 宁波江丰复合材料科技有限公司 | Method for prolonging service life of composite cutter |
| CN112643414A (en) * | 2020-12-09 | 2021-04-13 | 航天科工哈尔滨风华有限公司 | Method for processing and manufacturing hard alloy drill bit |
| CN113910019B (en) * | 2021-09-24 | 2022-06-24 | 杭州电子科技大学 | Conical optical fiber automatic grinding machine based on cone angle fine adjustment mechanism and grinding method thereof |
| CN114393410B (en) * | 2022-01-22 | 2022-12-13 | 杭州新恒力电机制造有限公司 | Processing equipment for main pole iron core inner wall reversing groove |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3307809B2 (en) * | 1995-10-05 | 2002-07-24 | 兼房株式会社 | Rotary tool with shank |
| JP2001170810A (en) * | 1999-12-15 | 2001-06-26 | Hitachi Tool Engineering Ltd | Twist drill |
| CN201304500Y (en) * | 2008-12-09 | 2009-09-09 | 中国航空工业第六○二研究所 | A new deep hole machining cutter holder |
| CN202779939U (en) * | 2012-09-04 | 2013-03-13 | 成都市双流金石机械制造有限公司 | Deep hole drill bit |
| CN203156115U (en) * | 2012-12-21 | 2013-08-28 | 浙江欣兴工具有限公司 | Spade drill cutter arbor provided with support blocks |
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2014
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Address after: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee after: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Patentee after: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: NANJING MEISHAN METALLURGY DEVELOPMENT Co.,Ltd. Patentee before: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. |
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Effective date of registration: 20211105 Address after: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee after: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Address before: 210039 new building, Zhonghua Gate, Yuhuatai District, Jiangsu, Nanjing Patentee before: Nanjing Baodi Meishan Industrial City Development Co.,Ltd. Patentee before: SHANGHAI MEISHAN IRON & STEEL Co.,Ltd. |
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