CN202963505U - Fine-adjustable boring head - Google Patents
Fine-adjustable boring head Download PDFInfo
- Publication number
- CN202963505U CN202963505U CN 201220704872 CN201220704872U CN202963505U CN 202963505 U CN202963505 U CN 202963505U CN 201220704872 CN201220704872 CN 201220704872 CN 201220704872 U CN201220704872 U CN 201220704872U CN 202963505 U CN202963505 U CN 202963505U
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- CN
- China
- Prior art keywords
- fine
- head
- overcoat
- tuning nut
- microboring
- Prior art date
- 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 utility model provides a fine-adjustable boring head applied to the field of machining. The existing boring head is generally fine adjusted through a thread transmission mechanism and a dovetail guide, but the structure is various in part varieties, high in finish machining difficulty of dovetail grooves, low in adjusting accuracy, not suitable for mass production and hard to be adapted to modern machining requirements. The fine-adjustable boring head comprises a fine-adjustable nut (4) arranged in an outer sleeve (7) provided with an inner thread, the fine-adjustable nut is arranged on a tool bar (6) in the outer sleeve through threaded connection, a blade (9) is installed at the head of the tool bar, a second copper washer (5), a first copper washer (3) and a locking check ring (2) are sequentially sleeved outside the fine-adjustable nut, the second copper washer and the first copper washer are slidably connected with the outer sleeve, the locking check ring is in threaded connection with the outer sleeve, and the tail of the fine-adjustable nut is connected with a scale cap (1).
Description
technical field:
the utility model relates to a kind of metal mechanical cutting tool, is specifically related to a kind of microboring head.
background technology:
in existing aperture knife tool, the most common with drill bit processing, but the hole that drill bit processes, linearity and position degree precision are not high, high for precision, the hole of specific (special) requirements is arranged, generally adopting bore hole, present cutter head generally all utilizes thread transmission to be finely tuned by dovetail guide, but this kind of structure accessory is of a great variety, and dovetail groove fine finishining difficulty is large, and it is low to adjust precision, be not suitable for producing in enormous quantities the more difficult requirement that adapts to modern processing.
summary of the invention:
the purpose of this utility model is for above-mentioned deficiency, provides a kind of microboring head in order to solve the rear linearity of hole processing and the not high problem of position degree precision.
above-mentioned purpose realizes by following technical scheme:
a kind of microboring head, its composition comprises: fine-tuning nut, described fine-tuning nut is contained in overcoat, described overcoat has internal thread, described fine-tuning nut connects described knife bar by internal thread, the head of described knife bar is equipped with blade, the outside of described fine-tuning nut is overlapped successively copper washer two and copper washer one and locking back-up ring, described copper washer two and described copper washer one are slidably connected with overcoat, described locking back-up ring is connected with sleeve thread, and the afterbody of described fine-tuning nut connects the scale cap.
described microboring head, described blade is by the blade screw lock, described knife bar is fixed by screws in described outer putting, and described fine-tuning nut head has the levogyrate inner thread of M3-M20, and described fine-tuning nut afterbody has the interior hexagonal that the degree of depth is 2-10mm and pulls mouth.
described microboring head, described overcoat length 22-26mm, described overcoat head endoporus has 5 ° of cutter clearance angles, described overcoat head has 8 ° of relief angles, described overcoat head has the radially internal thread of 45 °, and described overcoat afterbody has the internal thread that the degree of depth is 7-20mm
described microboring head, described knife rod head has 5 ° of cutter clearance angles and 8 ° of relief angles, described knife bar afterbody has the screw thread of long 3-10mm, described knife bar middle part has screwed hole, described knife rod head has insert groove, the described insert groove degree of depth is 1.5-3mm, and screwed hole is arranged in the middle of described insert groove
described microboring head, have the M4-M20 external screw thread on described locking back-up ring, has the keyway of wide 0.5-2mm, dark 0.5-2mm on described locking back-up ring;
described copper packing one thickness is 0.5-2mm, and external diameter is 5-20mm, and internal diameter is 5-15mm, and described copper packing two thickness are 2-10mm, and external diameter is 5-20mm, and internal diameter is 5-15mm.
described microboring head, have the chamfered edge of 60 ° on described scale cap, be carved with the equally distributed scale of 50 lattice on chamfered edge.
beneficial effect:
1. the fine-tuning nut that the utility model adopts, with after the scale cap is connected, adopts the method for matching can guarantee the high accuracy adjustment of each product.
2. the screw plane positioning that the utility model adopts, with knife bar, be connected fastening, easy and simple to handle, positioning precision is high.
copper packing one and two pairs of fine-tuning nut positioning and guidings of copper packing that 3 utility models adopt, the positional precision while guaranteeing the boring cutter cutting.
4. the adjustment precision of the micro-adjusting mechanism that the utility model adopts, it is Φ 0.01mm/ lattice that main scale is adjusted precision, it is Φ 0.001 mm/ lattice that secondary chi is adjusted precision; Can contend with external similar cutter, even precision has surmounted external part trimming precision.
5. the closely spaced hole axle that the utility model adopts coordinates, and guaranteed the integral rigidity of fine setting fine boring head, and adjusting range is wide, by changing the bias adjustment of boring cutter and fine setting fine boring head, can realize semifinishing and the accurately machined boring in Φ 2-Φ 50 holes; The radial direction adjustment amount is that 4.5mm diametric(al) adjustment amount is 9mm, has guaranteed precision and the position degree of processing.
5. the utility model is simple in structure, easily manufactures, and adjusts precision high, is a recommendable product.
the accompanying drawing explanation:
accompanying drawing 1 is structural representation of the present utility model.
accompanying drawing 2 is right views of accompanying drawing 1.
accompanying drawing 3 is axonometric drawings of accompanying drawing 1.
the specific embodiment:
embodiment 1:
a kind of microboring head, its composition comprises: fine-tuning nut 4, described fine-tuning nut is contained in overcoat 7, head and the afterbody of described overcoat have internal thread, described fine-tuning nut is threaded connection the described knife bar 6 be contained in overcoat, the head of described knife bar is equipped with blade 9, the outside of described fine-tuning nut is overlapped successively copper washer 25 and copper washer 1 and locking back-up ring 2, described copper washer two and described copper washer one are slidably connected with overcoat, described locking back-up ring is connected with sleeve thread, and the afterbody of described fine-tuning nut connects scale cap 1.
embodiment 2:
described microboring head, described knife bar is fixed on described outer putting by screw 8, described blade is by 10 lockings of blade screw, and described fine-tuning nut head has the levogyrate inner thread of M3-M20, and described fine-tuning nut afterbody has the interior hexagonal that the degree of depth is 2-10mm and pulls mouth.
embodiment 3:
described microboring head, described overcoat length 22-26mm, described overcoat head endoporus has 5 ° of cutter clearance angles, described overcoat head has 8 ° of relief angles, described overcoat head has the radially internal thread of 45 °, and described overcoat afterbody has the internal thread that the degree of depth is 7-20mm
embodiment 4:
described microboring head, described knife rod head has 5 ° of cutter clearance angles and 8 ° of relief angles, described knife bar afterbody has the screw thread of long 3-10mm, described knife bar middle part has screwed hole, described knife rod head has insert groove, the described insert groove degree of depth is 1.5-3mm, and screwed hole is arranged in the middle of described insert groove
embodiment 5:
described microboring head, have the M4-M20 external screw thread on described locking back-up ring, has the keyway of wide 0.5-2mm, dark 0.5-2mm on described locking back-up ring;
described copper packing one thickness is 0.5-2mm, and external diameter is 5-20mm, and internal diameter is 5-15mm, and described copper packing two thickness are 2-10mm, and external diameter is 5-20mm, and internal diameter is 5-15mm.
embodiment 6:
described microboring head, have the chamfered edge of 60 ° on described scale cap, be carved with the equally distributed scale of 50 lattice on chamfered edge.
Claims (6)
1. a microboring head, its composition comprises: fine-tuning nut, it is characterized in that: described fine-tuning nut is contained in overcoat, described overcoat has internal thread, described fine-tuning nut connects described knife bar by internal thread, the head of described knife bar is equipped with blade, the outside of described fine-tuning nut is overlapped successively copper washer two and copper washer one and locking back-up ring, described copper washer two and described copper washer one are slidably connected with overcoat, described locking back-up ring is connected with sleeve thread, and the afterbody of described fine-tuning nut connects the scale cap.
2. microboring head according to claim 1, it is characterized in that: described blade is by the blade screw lock, described knife bar is fixed by screws in described outer putting, described fine-tuning nut head has the levogyrate inner thread of M3-M20, and described fine-tuning nut afterbody has the interior hexagonal that the degree of depth is 2-10mm and pulls mouth.
3. microboring head according to claim 1 and 2, it is characterized in that: described overcoat length 22-26mm, described overcoat head endoporus has 5 ° of cutter clearance angles, described overcoat head has 8 ° of relief angles, described overcoat head has the radially internal thread of 45 °, and described overcoat afterbody has the internal thread that the degree of depth is 7-20mm.
4. microboring head according to claim 1 and 2, it is characterized in that: described knife rod head has cutter clearance angle and 8 ° of relief angles of 5 °, described knife bar afterbody has the screw thread of long 3-10mm, described knife bar middle part has screwed hole, described knife rod head has insert groove, the described insert groove degree of depth is 1.5-3mm, and screwed hole is arranged in the middle of described insert groove.
5. microboring head according to claim 1 and 2, is characterized in that: on described locking back-up ring, the M4-M20 external screw thread is arranged, have the keyway of wide 0.5-2mm, dark 0.5-2mm on described locking back-up ring;
Described copper packing one thickness is 0.5-2mm, and external diameter is 5-20mm, and internal diameter is 5-15mm, and described copper packing two thickness are 2-10mm, and external diameter is 5-20mm, and internal diameter is 5-15mm.
6. microboring head according to claim 1 and 2, is characterized in that: have the chamfered edge of 60 ° on described scale cap, be carved with the equally distributed scale of 50 lattice on chamfered edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220704872 CN202963505U (en) | 2012-12-19 | 2012-12-19 | Fine-adjustable boring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220704872 CN202963505U (en) | 2012-12-19 | 2012-12-19 | Fine-adjustable boring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202963505U true CN202963505U (en) | 2013-06-05 |
Family
ID=48504635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220704872 Expired - Fee Related CN202963505U (en) | 2012-12-19 | 2012-12-19 | Fine-adjustable boring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202963505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328226A (en) * | 2015-11-24 | 2016-02-17 | 哈尔滨量具刃具集团有限责任公司 | Fine adjustment fine boring tool apron and adjustment method |
-
2012
- 2012-12-19 CN CN 201220704872 patent/CN202963505U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328226A (en) * | 2015-11-24 | 2016-02-17 | 哈尔滨量具刃具集团有限责任公司 | Fine adjustment fine boring tool apron and adjustment method |
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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: 20130605 Termination date: 20211219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |