CN202571344U - Boring tool - Google Patents
Boring tool Download PDFInfo
- Publication number
- CN202571344U CN202571344U CN 201220110489 CN201220110489U CN202571344U CN 202571344 U CN202571344 U CN 202571344U CN 201220110489 CN201220110489 CN 201220110489 CN 201220110489 U CN201220110489 U CN 201220110489U CN 202571344 U CN202571344 U CN 202571344U
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- China
- Prior art keywords
- tool
- cutter hub
- screw
- post structure
- cutter
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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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- 238000005520 cutting process Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 2
- 238000003801 milling Methods 0.000 abstract 2
- 230000006872 improvement Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035929 gnawing Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model relates to a boring tool, comprising a tool rest body and a tool body installed on the tool rest body, wherein a tool installation location where clip-on tool fixing sheets of various model machines are installed is arranged on the front end of the tool body in a milling way; and the clip-on tool fixing sheets are fixed at the tool installation location through clamping bolts. The boring tool is characterized in that the tool body is cylinder-shaped; a round hole where the tool body is installed is arranged in the tool rest body; key slots parallel with the axis direction of the tool body are arranged on the wall of the tool body in the milling way; threaded holes are arranged in the tool rest body; a set screw is spirally installed in each threaded hole; and cylindrical heads on the inner ends of the set screws can be embedded into the key slots on the tool body, so that the tool body is fixed without rotating, and the excircle of the tool body is provided with threads and a graduated disc, which are matched, so that the required cutting feed rate is adjusted. The boring tool is skillful and novel in structure; the rigidity of the tool body can be increased, so that the cutting rate can be increased and the linear speed can be improved; and moreover, the size and the precision of a hole can be controlled quite conveniently.
Description
Technical field
The utility model relates to a kind of borer, and specifically a kind of dedicated tool of boring large-diameter deep endoporus belongs to mechanical equipment technical field.
Background technology
During the boring large diameter, deep borehole, general method is to adopt brazed shank tool to carry out roughing, carries out fine finishining with clamped cutting bit on various boring machines.Owing to receive the influence of rigidity of cutter own and blade capabilities parameter, heavy boring adds the man-hour linear velocity generally all at 20-75m/min.Right boring adds the man-hour linear velocity and generally is controlled at 75-115m/min.Roughness is between Ra6.3 and Ra3.2.Particularly when fine finishining (except the numerical control borer more than four); Generally all adopt dial gauge to ride on the point of a knife; Method with striking cutter is controlled the cutting amount of feeding, has inefficiency, hole dimension precision control difficulty, and roughness is difficult to reach problems such as Ra3.2.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art; A kind of dedicated tool of boring large-diameter deep endoporus is provided, and the ingenious novelty of its structure can increase the rigidity of cutter hub; Thereby can increase cutting output and improve linear velocity, and the size and the precision of control hole easily.
The technical scheme that provides according to the utility model: a kind of borer comprises tool-post structure and be installed in the cutter hub on the tool-post structure, but end mill is provided with the dress cutter spacing that is used to install various clamping blades before the said cutter hub; But the clamping blade is fixed on the dress cutter spacing with pinching screw; It is characterized in that: said cutter hub is cylindrical, and said tool-post structure is provided with the circular hole of the cutter hub that is used to pack into, mills on the said cutter hub wall to be provided with the keyway that is parallel to the cutter hub axis direction; Said tool-post structure is provided with screwed hole; Be installed with screw in this screwed hole, in the keyway of the socket cap of said screw one end on can inlay card feed body, make that cutter hub is fixing not to produce rotation; The cylindrical of said cutter hub is provided with screw thread and dial is installed, and said screw thread matches with dial, to regulate the needed cutting amount of feeding.
As the further improvement of the utility model, the pitch of the screw thread on the said cutter hub cylindrical is 2 millimeters, and the dial that matches with this screw thread is 100 evenly divided dishes.
As the further improvement of the utility model, the center of said cutter hub tail end is provided with screw, and said cutter hub is fixed on the tool-post structure through hanging bolt and the washer locking that is contained in this screw.
As the further improvement of the utility model, mill on the said cutter hub wall and be provided with two keyways, these two keyways lay respectively at the both sides of cutter hub, and are 180 ° of symmetrical distributions in a circumferential direction.
As the further improvement of the utility model, said tool-post structure is a steel-casting, and said cutter hub adopts the 40Cr steel to process.
Compared with present technology the utility model has the following advantages:
1, the ingenious novelty of the utility model structure, cutter hub adopt the 40Cr steel to process, and through heat treatment, hardness HRC45 °-48 °, rigidity is strong, and is shock-resistant, long service life.
2, said cutter hub both sides are milled with keyway, and this keyway cooperates with screw, can fixed cutter body, prevent that cutter hub from becoming flexible because of rotation, and avoid gnawing cutter and the situation that causes workpiece to scrap, and can cutter hub be installed according to the difference of cutting direction.
3, said cutter hub periphery is provided with the screw thread of 2 millimeters pitch, mixes the dial of 100 five equilibriums, but the needed cutting amount of feeding of free adjustment (each little lattice 0.02mm).
4, said cutter hub adopts hanging bolt and washer locking, and cutter can not produce loosening, vibration resistance, and impact resistance is strong.
5, roughing can be changed different blades with fine finishining and can normally be cut, and is applicable to the processing of any large diameter, deep borehole.
Description of drawings
Fig. 1 is the structural front view of the utility model embodiment.
Fig. 2 is the structure vertical view of the utility model embodiment.
Fig. 3 is the structure left view of the utility model embodiment.
Fig. 4 is that A-A among Fig. 2 is to cutaway view.
Fig. 5 is the front view of cutter hub.
Fig. 6 looks cutaway view for the left side of Fig. 5.
Description of reference numerals: but 1-tool-post structure, 2-hanging bolt, 3-packing ring, 4-cutter hub, 5-dial, 6-pinching screw, 7-clamping blade, 8-screw, 9-keyway, 10-screw.
The specific embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
As shown in the figure: but the borer among the embodiment mainly is made up of parts such as tool-post structure 1, hanging bolt 2, packing ring 3, cutter hub 4, dial 5, pinching screw 6 clamping blades 7 and screws 8.
Like Fig. 1 ~ shown in Figure 4; Said cutter hub 4 is installed in tool-post structure 1; But end mill is provided with the dress cutter spacing that is used to install various machine clamping blade 7 before the cutter hub 4, and this dress cutter spacing is according to product requirement selected angle and shape, but said clamping blade 7 usefulness pinching screws 6 are fixed on the dress cutter spacing; The utility model can change different blades in roughing and fine finishining and can normally cut, and is applicable to the processing of any large diameter, deep borehole.
Like Fig. 2 ~ shown in Figure 6, said cutter hub 4 is cylindrical, and said tool-post structure 1 is provided with the circular hole of the cutter hub 4 that is used to pack into; Mill on said cutter hub 4 walls and be provided with two keyways 9 that are parallel to cutter hub 4 axis directions, these two keyways 9 lay respectively at the both sides of cutter hub 4, and are 180 ° of symmetrical distributions in a circumferential direction; Said tool-post structure 1 is provided with screwed hole, is installed with screw 8 in this screwed hole, in the keyway 9 of the socket cap of said screw 8 one ends on can inlay card feed body 4; Cutter hub 4 is fixed do not produced rotation; The situation of avoiding gnawing cutter and causing workpiece to scrap, and can cutter hub 4 be installed according to the difference of cutting direction.
Like Fig. 4 ~ shown in Figure 6, the cylindrical of said cutter hub 4 is provided with the screw thread that is of a size of M40 * 2 and dial 5 is housed, and the pitch of the screw thread on these cutter hub 4 cylindricals is 2 millimeters, and the dial 5 that matches with this screw thread is 100 evenly divided dishes 5.Said screw thread matches with dial 5, but the needed cutting amount of feeding of free adjustment (each little lattice 0.02mm).
Like Fig. 4 ~ shown in Figure 6, the center of said cutter hub 4 tail ends is provided with the screw 10 that is of a size of M12, and said cutter hub 4 is locked on tool-post structure 1 with packing rings 3 through the hanging bolts 2 that are contained in this screw 10, and cutter can not produce loosening, vibration resistance, and impact resistance is strong.
Said tool-post structure 1 is a steel-casting, and said cutter hub 4 adopts the 40Cr steel to process, and through heat treatment, hardness HRC45 °-48 °, rigidity is strong, and is shock-resistant, long service life.
The operation principle and the course of work of the utility model are following:
Adopt T90120 digital display motor cabinet boring machine; Tool-post structure 1 is installed on the facing head of lathe, according to direction of travel cutter hub 4 is screwed on dial 5 after, insert from tool-post structure 1 front end; Install packing ring 3 and hanging bolt 2 at cutter hub 4 afterbodys; But load onto the clamping blade of being selected for use 7 at cutter hub 4 front ends with pinching screw 6, after the good size in school, tighten hanging bolt 2; With the 8 inside precessions of two screws on the tool-post structure 1, screw 8 inner socket cap inlay cards are gone in the keyway 9 of cutter hub 4 both sides, cutter hub 4 is fixed do not produced rotation, just can carry out trial cut and cut work.
Behind the endoporus of processing measuring, unclamp screw 8 and hanging bolt 2, rotation scale 5 is tightened hanging bolt 2 and screw 8 again to required size, just can begin normal cutwork.
Aerogenerator machine base generally is to be rolled into cylindrical shell with 10mm-25mm thick Q235 or Q345 steel plate, or is combined into the support inner barrel with shaped steel, the steel plate of various Q235 or Q345, and welding upward again, various spare and accessory parts are made.Hole dimension is all bigger in it, and diameter is between Φ 800mm-Φ 1500mm, and length is between 1300mm-2700mm, and the support integral rigidity is relatively poor, brings certain degree of difficulty to cutting.And its required precision is higher, and normal designing requirement precision is following: scale error is in 0.08mm, and cylindricity Φ 1000mm is less than 0.06mm; Straight length 1000mm tapering is less than 0.05mm; Roughness Ra3.2.
The endoporus of the various aerogenerator machine base of the special processing of the borer of the utility model through using for a long time, can reach above design accuracy requirement fully, compared with similar products, better effects if, advantage is obvious, and is specific as follows:
Roughing boring endoporus, with homemade cutter (YBC25 SCMT20404), single face cutting output 3-5mm, linear velocity 201m/min, feeding speed 0.25mm/ change, workpiece, cutter friction, roughness reaches Ra6.3; With the saponification liquor cooling, smear metal is silvery white.Fine finishining boring endoporus is with import blade (Ken Na or Sandvik, TNMG16048FNRCP25) single face cutting output 0.3-0.4mm, linear velocity 220m/min, feeding speed 0.1-0.12mm/ commentaries on classics; With the saponification liquor cooling, smear metal is silvery white, and roughness can reach Ra1.6.The borer single face cutting output of the utility model can reach 7-10mm (according to the machine power size), does not shake, and smear metal is silvery white, little purple.
In addition, the borer working (machining) efficiency of the utility model is high, and single-piece support machining period in the past needed more than 22 hours, and after adopting the borer of the utility model, machining period can be reduced to 5 hours, improved work efficiency greatly.And but the borer of the utility model is lower than the commercially available toolsetting price in market, but the price of existing toolsetting is generally first at 2500-6000, and the borer of the utility model entrusts the cutter merchant to make, and price is only about 250-300 unit.
Claims (5)
1. borer; Comprise tool-post structure (1) and be installed in the cutter hub (4) on the tool-post structure (1); Said cutter hub (4) but preceding end mill is provided with the dress cutter spacing that is used to install various machine clamping blade (7), but clamping blade (7) be fixed on the dress cutter spacing with pinching screw (6), it is characterized in that: said cutter hub (4) is for cylindrical; Said tool-post structure (1) is provided with the circular hole of cutter hub (4) that are used to pack into; Mill on said cutter hub (4) wall and be provided with the keyway (9) that is parallel to cutter hub (4) axis direction, said tool-post structure (1) is provided with screwed hole, is installed with screw (8) in this screwed hole; In the keyway (9) of the socket cap of said screw (8) one ends on can inlay card feed body (4), make that cutter hub (4) is fixing not to produce rotation; The cylindrical of said cutter hub (4) is provided with screw thread and dial (5) is housed, and said screw thread matches with dial (5), to regulate the needed cutting amount of feeding.
2. borer as claimed in claim 1 is characterized in that: the pitch of the screw thread on said cutter hub (4) cylindrical is 2 millimeters, and the dial (5) that matches with this screw thread is 100 evenly divided dishes (5).
3. borer as claimed in claim 1; It is characterized in that: the center of said cutter hub (4) tail end is provided with screw (10), and said cutter hub (4) is locked on tool-post structure (1) through hanging bolt (2) and the packing ring (3) that is contained in this screw (10).
4. borer as claimed in claim 1 is characterized in that: mill on said cutter hub (4) wall and be provided with two keyways (9), these two keyways (9) lay respectively at the both sides of cutter hub (4), and are 180 ° of symmetrical distributions in a circumferential direction.
5. borer as claimed in claim 1 is characterized in that: said tool-post structure (1) is a steel-casting, and said cutter hub (4) adopts the 40Cr steel to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220110489 CN202571344U (en) | 2012-03-21 | 2012-03-21 | Boring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220110489 CN202571344U (en) | 2012-03-21 | 2012-03-21 | Boring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202571344U true CN202571344U (en) | 2012-12-05 |
Family
ID=47240796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220110489 Expired - Fee Related CN202571344U (en) | 2012-03-21 | 2012-03-21 | Boring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202571344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581325A (en) * | 2012-03-21 | 2012-07-18 | 无锡圣贝尔机电有限公司 | Boring tool |
-
2012
- 2012-03-21 CN CN 201220110489 patent/CN202571344U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581325A (en) * | 2012-03-21 | 2012-07-18 | 无锡圣贝尔机电有限公司 | Boring tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20160321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |