CN201329434Y - Cutter head mechanism for deep hole boring - Google Patents
Cutter head mechanism for deep hole boring Download PDFInfo
- Publication number
- CN201329434Y CN201329434Y CNU2009200386603U CN200920038660U CN201329434Y CN 201329434 Y CN201329434 Y CN 201329434Y CN U2009200386603 U CNU2009200386603 U CN U2009200386603U CN 200920038660 U CN200920038660 U CN 200920038660U CN 201329434 Y CN201329434 Y CN 201329434Y
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- gear
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- rotary head
- wheel shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 238000003754 machining Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
A cutter head mechanism for deep hole boring comprises a rotary cutter head body (18) and a rotary cutter head (17), and is characterized in that a worm gear shaft (II) is mounted in the rotary cutter head body (18), a worm gear (5) is mounted on the worm gear shaft (II), the worm gear (5) is meshed with a worm (6), a primary gear (1) and a final gear (10) are mounted on a main shaft (I), the primary gear (1) is meshed with a first large gear (2), the final gear (10) is meshed with a second large gear (9), a first small gear (3) is meshed with a first planetary gear (4), and a second small gear (8) is meshed with a second planetary gear (7) and mounted at two ends of a planetary shaft (III); the large bevel gear (11) is meshed with the small bevel gear (12), the small bevel gear (12) is installed at one end of the screw rod (16), the screw rod (16) is provided with a screw rod nut (15), and the screw rod nut (15) is connected with the cutter (14). The utility model discloses can effectively improve the machining efficiency of the boring of major diameter, different shape deep holes, the machining precision is stable, and manufacturing cost is reasonable.
Description
Technical field
The utility model relates to a kind of large-size pivoting support deep hole boring cutterhead, especially a kind of cutter-head mechanism that is used for high precision major diameter taper hole and deep hole machining in irregular shape, specifically a kind of cutter head mechanism for deep hole boring.
Background technology
As everyone knows, at present, for generally using boring processing in large diameter, deep borehole and the taper hole processing, along with the increasing of diameter and the increasing of stroke (hole depth), the rigidity of boring cutter bar is difficult to be guaranteed, be easy to cause the generation of flutter phenomenon, influence the working (machining) efficiency and the machining accuracy of major diameter and irregular deep hole boring, to this, at present, except the diameter that strengthens boring cutter bar, still there is not good solution.
Summary of the invention
The purpose of this utility model be at present in large diameter, deep borehole and the irregular deep hole machining because of the problem of boring cutter bar rigidity deficiency, design and a kind ofly can in the boring process, change radially the depth of cut arbitrarily thereby can process cutter head mechanism for deep hole boring various irregular endoporus, good rigidly.
The technical solution of the utility model is:
A kind of cutter head mechanism for deep hole boring, comprise the rotary head body 18 and the rotary head 17 that link to each other with lathe headstock, machine tool chief axis I is arranged in rotary head body 18, rotary head 17 is installed on the end that machine tool chief axis I stretches out rotary head body 18, it is characterized in that in described rotary head body 18, being equipped with the worm-wheel shaft II parallel with machine tool chief axis I, worm gear 5 is installed on the worm-wheel shaft II, and worm gear 5 is meshed with worm screw 6, and worm screw 6 links to each other with the worm drive device; On main shaft I, the both sides of worm gear 5 are separately installed with primary pinion 1 and final stage gear 10, final stage gear 10 is a duplicate gear with bevel gear wheel 11; Primary pinion 1 and first gear 2 engagements that are installed in worm-wheel shaft II one end, final stage gear 10 and second largest gear 9 engagements that are installed in the worm-wheel shaft II other end, the first gear 2 and first pinion 3 are duplicate gear, the second largest gear 9 and second pinion 8 are duplicate gear, first pinion 3 and 4 engagements of first planetary gear, second pinion 8 is meshed with second planetary gear 7, first planetary gear 4 and second planetary gear 7 are installed in the two ends of the planet axis III that passes worm gear 5 respectively, and planet axis III is positioned at the side of worm-wheel shaft II and in parallel; Bevel gear wheel 11 and bevel pinion 12 engagements, bevel pinion 12 is installed on the end of screw mandrel 16, screw mandrel 16 is installed in the rotary head 17, feed screw nut 15 is installed on the screw mandrel 16, feed screw nut 15 links to each other with cutter 14, the guide end of cutter 14 is installed in the tool guide 13, and saddle guide rail 13 is installed on the end face of rotary head 17.
Described feed screw nut 15 also can adopt following mechanism to be achieved with being connected of cutter, be about to feed screw nut 15 directly with can only link to each other as the slide block that straight line moves, cutter 14 links to each other with slide block, and slide block is installed in the tool guide 13, and saddle guide rail 13 is installed on the end face of rotary head 17.
The transmission mechanism of planetary gear also can adopt following method to be realized in addition: described primary pinion 1 and first gear 2 engagements that are installed in worm-wheel shaft II one end, final stage gear 10 and second largest gear 9 engagements that are installed in the worm-wheel shaft II other end, first gear 2 directly meshes with first planetary gear 4, second largest gear 9 directly is meshed with second planetary gear 7, first planetary gear 4 and second planetary gear 7 are installed in the two ends of the planet axis III that passes worm gear 5 respectively, and planet axis III is positioned at the side of worm-wheel shaft II and in parallel.
Described worm drive device is buncher, stepless or step speed change device etc.
The beneficial effects of the utility model:
The utility model can effectively improve the working (machining) efficiency of the boring processing of major diameter, difformity deep hole, and machining accuracy is stable, and manufacturing cost is reasonable, and is simple in structure, makes easy for installation.Utilize cutter-head mechanism of the present utility model, can process the aperture is 600mm～1500mm, and hole depth can reach 2000mm.
By worm drive of the present utility model is carried out suitable control, the utility model can processing column face endoporus, can also process the endoporus of the conical surface and various irregularly shaped (can realize by the output speed that numerical control programming control drives the buncher of worm screw).
Description of drawings
Fig. 1 is a cutter-head mechanism structural principle schematic diagram of the present utility model.
Fig. 2 is a process principle schematic diagram of the present utility model.
19 is bed piece among Fig. 2, and 20 is workbench, and 21 is workpiece, and 22 is lathe headstock.
The specific embodiment
Below in conjunction with accompanying drawing and example the utility model is further described.
As shown in Figure 1.
A kind of cutter head mechanism for deep hole boring, comprise the rotary head body 18 and the rotary head 17 that link to each other with lathe headstock, machine tool chief axis I is arranged in rotary head body 18, rotary head 17 is installed on the end that machine tool chief axis I stretches out rotary head body 18, the worm-wheel shaft II parallel with machine tool chief axis I is installed in described rotary head body 18, worm gear 5 is installed on the worm-wheel shaft II, worm gear 5 is meshed with worm screw 6, worm screw 6 links to each other with the worm drive device, the worm drive device can adopt buncher, stepless speed change device or step speed change device, and can realize numerical control or programming Control; On main shaft I, the both sides of worm gear 5 are separately installed with primary pinion 1 and final stage gear 10, final stage gear 10 is a duplicate gear with bevel gear wheel 11; Primary pinion 1 and first gear 2 engagements that are installed in worm-wheel shaft II one end, final stage gear 10 and second largest gear 9 engagements that are installed in the worm-wheel shaft II other end, the first gear 2 and first pinion 3 are duplicate gear, the second largest gear 9 and second pinion 8 are duplicate gear, first pinion 3 and 4 engagements of first planetary gear, second pinion 8 is meshed with second planetary gear 7, first planetary gear 4 and second planetary gear 7 are installed in the two ends of the planet axis III that passes worm gear 5 respectively, and planet axis III is positioned at the side of worm-wheel shaft II and in parallel; Bevel gear wheel 11 and bevel pinion 12 engagements, bevel pinion 12 is installed on the end of screw mandrel 16, screw mandrel 16 is installed in the rotary head 17, feed screw nut 15 is installed on the screw mandrel 16, feed screw nut 15 links to each other with cutter 14, the guide end of cutter 14 is installed in the tool guide 13, and saddle guide rail 13 is installed on the end face of rotary head 17.As shown in Figure 1.
During concrete enforcement, described feed screw nut 15 also can adopt following mechanism to be achieved with being connected of cutter, be about to feed screw nut 15 directly with can only link to each other as the slide block that straight line moves, cutter 14 links to each other with slide block, slide block is installed in the tool guide 13, and saddle guide rail 13 is installed on the end face of rotary head 17.
In addition, under the situation of installing space permission, the transmission mechanism of planetary gear also can adopt following method to be realized: described primary pinion 1 and first gear 2 engagements that are installed in worm-wheel shaft II one end, final stage gear 10 and second largest gear 9 engagements that are installed in the worm-wheel shaft II other end, first gear 2 is directly meshed with first planetary gear 4, second largest gear 9 directly is meshed with second planetary gear 7, first planetary gear 4 and second planetary gear 7 are installed in the two ends of the planet axis III that passes worm gear 5 respectively, and planet axis III is positioned at the side of worm-wheel shaft II and in parallel.
Buncher (or other have the level, stepless drive unit, down together) when not working, the power that main motor is defeated by machine tool chief axis is divided into two-way, and one tunnel direct driven rotary cutterhead 17 rotates, and makes the cutter 14 (hole boring cutter) that is installed on the tool guide 13 do gyration; The transmission of fixed axis gear 1,2,3 and planetary gear 4,7 and fixed axis gear 8,9,10 is then passed through on another road, drive bevel gear wheel 11, bevel pinion 12, at this moment, bevel gear wheel and machine tool chief axis rotate synchronously, and the rotation of bevel pinion is driven by the speed discrepancy between bevel gear wheel and the machine tool chief axis, be under zero the situation at speed discrepancy, bevel pinion does not produce gyration, just bevel pinion 12 and screw mandrel 16 have only the rotation around the machine tool chief axis axis, no rotation, thereby the no radial feed motion of cutter 14 (knife rest and feed screw nut 15).
In buncher when work,, power drives planetary gear 4,7 around worm-wheel shaft II revolution through worm screw 6, worm gear 5, and is synthetic with the power of machine tool chief axis I, produces the detour rotation of star wheel series axle of planetary gear 4,7 simultaneously, makes system form resultant motion.At this moment, bevel gear wheel 11 produces speed discrepancy with machine tool chief axis I, drives bevel pinion 12 and rotates, and rotates thereby drive screw mandrel 16, by feed screw nut 15, forms the radial feed motion of borer 14.
Rotatablely move by rotary head 17, the axial feed motion of motion of the radial feed of borer 14 and workpiece (workbench, see Fig. 2), adopt Numeric Control Technology can realize that the different continuous axial feed motions with workpiece (workbench) of boring cutter different radial feeds continuously motion are synthetic, process with the boring of the difformity deep hole that satisfies large-size pivoting support.
Example recited above only is the description of preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; do not breaking away under the utility model design concept prerequisite; common engineers and technicians make the technical solution of the utility model in this area various modification and improvement all should fall into protection domain of the present utility model.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.
Claims (4)
1, a kind of cutter head mechanism for deep hole boring, comprise the rotary head body (18) and the rotary head (17) that link to each other with lathe headstock, machine tool chief axis (I) is arranged in rotary head body (18), rotary head (17) is installed on the end that machine tool chief axis (I) stretches out rotary head body (18), it is characterized in that in described rotary head body (18), being equipped with the worm-wheel shaft (II) parallel with machine tool chief axis (I), worm gear (5) is installed on the worm-wheel shaft (II), worm gear (5) is meshed with worm screw (6), and worm screw (6) links to each other with the worm drive device; Both sides last at main shaft (I), worm gear (5) are separately installed with primary pinion (1) and final stage gear (10), and final stage gear (10) is a duplicate gear with bevel gear wheel (11); Primary pinion (1) and first gear (2) engagement that is installed in worm-wheel shaft (II) end, final stage gear (10) and second largest gear (9) engagement that is installed in worm-wheel shaft (II) other end, first gear (2) is a duplicate gear with first pinion (3), second largest gear (9) is a duplicate gear with second pinion (8), first pinion (3) and first planetary gear (4) engagement, second pinion (8) is meshed with second planetary gear (7), first planetary gear (4) and second planetary gear (7) are installed in the two ends of the planet axis (III) of passing worm gear (5) respectively, and planet axis (III) is positioned at a side of worm-wheel shaft (II) and in parallel; Bevel gear wheel (11) and bevel pinion (12) engagement, bevel pinion (12) is installed on the end of screw mandrel (16), screw mandrel (16) is installed in the rotary head (17), feed screw nut (15) is installed on the screw mandrel (16), feed screw nut (15) links to each other with cutter (14), the guide end of cutter (14) is installed in the tool guide (13), and saddle guide rail (13) is installed on the end face of rotary head (17).
2, cutter head mechanism for deep hole boring according to claim 1, it is characterized in that described feed screw nut (15) and can only link to each other as the slide block that straight line moves, cutter (14) links to each other with slide block, slide block is installed in the tool guide (13), and saddle guide rail (13) is installed on the end face of rotary head (17).
3, cutter head mechanism for deep hole boring according to claim 1, it is characterized in that described primary pinion (1) and first gear (2) engagement that is installed in worm-wheel shaft (II) end, final stage gear (10) and second largest gear (9) engagement that is installed in worm-wheel shaft (II) other end, first gear (2) directly meshes with first planetary gear (4), second largest gear (9) directly is meshed with second planetary gear (7), first planetary gear (4) and second planetary gear (7) are installed in the two ends of the planet axis (III) of passing worm gear (5) respectively, and planet axis (III) is positioned at a side of worm-wheel shaft (II) and in parallel.
4, cutter head mechanism for deep hole boring according to claim 1 is characterized in that described worm drive device is a buncher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200386603U CN201329434Y (en) | 2009-01-12 | 2009-01-12 | Cutter head mechanism for deep hole boring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200386603U CN201329434Y (en) | 2009-01-12 | 2009-01-12 | Cutter head mechanism for deep hole boring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201329434Y true CN201329434Y (en) | 2009-10-21 |
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ID=41222809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200386603U Expired - Lifetime CN201329434Y (en) | 2009-01-12 | 2009-01-12 | Cutter head mechanism for deep hole boring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201329434Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456086B (en) * | 2009-01-12 | 2011-06-01 | 南京工业大学 | Cutter head mechanism for deep hole boring |
| CN107649706A (en) * | 2017-10-18 | 2018-02-02 | 中北大学 | A kind of vibration cutting device for deep hole machining |
-
2009
- 2009-01-12 CN CNU2009200386603U patent/CN201329434Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456086B (en) * | 2009-01-12 | 2011-06-01 | 南京工业大学 | Cutter head mechanism for deep hole boring |
| CN107649706A (en) * | 2017-10-18 | 2018-02-02 | 中北大学 | A kind of vibration cutting device for deep hole machining |
| CN107649706B (en) * | 2017-10-18 | 2023-09-15 | 中北大学 | Vibration cutting device for deep hole machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091021 Effective date of abandoning: 20090112 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20091021 Effective date of abandoning: 20090112 |