CN204277806U - The simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine - Google Patents
The simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine Download PDFInfo
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- CN204277806U CN204277806U CN201420609818.9U CN201420609818U CN204277806U CN 204277806 U CN204277806 U CN 204277806U CN 201420609818 U CN201420609818 U CN 201420609818U CN 204277806 U CN204277806 U CN 204277806U
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- grinding
- truncated cone
- emery cloth
- stepped hole
- intermediate incline
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Abstract
The utility model relates to a kind of simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine, it is truncated cone-shaped before plank, be cylindrical below, cylindrical diameter 1 ~ 2mm less of stepped hole aperture, truncated cone-shaped bevel angle is consistent with stepped hole intermediate incline, and truncated cone-shaped inclined-plane wraps up the above emery cloth of one deck, and emery cloth is bolted on truncated cone-shaped inclined-plane, cylindrically to be contained on boring head cutter groove, and to be locked on boring head by hold-down bolt.When using the utility model, select suitable particle size emery cloth, and be fixed on truncated cone-shaped inclined-plane; To refill on the cutter groove of boring head and to compress, starting boring bar, open cooling-lubricant, start lathe feed, carry out grinding.New emery cloth is changed in emery cloth wearing and tearing.Repeat aforesaid operations step, until reach drawing requirement.The utility model can realize the grinding of intermediate incline, improves surface roughness, and structure is simple, is easy to operation, can produces a desired effect after using.
Description
Technical field
The utility model relates to the simple and easy grinding tool of grinding stepped hole intermediate incline on a kind of deep hole drilling and boring machine.
Background technology
Ultrahigh pressure vessel belongs to special equipment, and in running, the moment relates to life security, and danger is larger.Therefore, such device fabrication requires high, and quality standard is strict.
The main pressurized element of ultrahigh pressure vessel equipment comprises cylindrical shell, end cap, clip, plug screw, plug, threaded connector etc., and the specification of its middle cylinder body is maximum, is large and small pore structure form, and transition position design is normal adopts R fillet form, and arc length is shorter.
The inner bore surface roughness of " cylindrical shell " requires to reach Ra1.6, and the surface quality after right boring can not meet the demands.Therefore, add at endoporus hole wall and can use Honing process method man-hour, shorter at the arc length of large aperture transition position R fillet, usually adopt artificial grinding to complete, during grinding, lathe drives part to rotate, and is repeatedly swung back and forth from the teeth outwards grinding belt.
Deep hole drilling and boring machine adds man-hour, and the cantilevered length of boring bar is longer (see accompanying drawing 2), and be wood materials at the strong point arranged near processed conical surface place, therefore, the rigidity of frock is very limited.When using the forming cutter processing conical surface, cutting edge length reaches 100mm to 500mm, defines very large cutting force.Meanwhile, part material is high-temperature alloy steel, and the intensity after heat treatment has exceeded 700N/mm
2, material deformation drag is comparatively large, causes cutting force larger.On processing rear surface, obviously, surface roughness is actual is Ra6.3 ~ Ra12.5 surface roughness extreme difference, cannot reach drawing requirement for tool marks and chatter mark.
Deep hole drilling and boring machine processing straight hole can improve Part Surface Roughness by honing means, but for the processing of stepped hole intermediate incline, the difficulty reaching more than Ra1.6 is very large.Improve its surface roughness, can only by just can designing requirement be reached after grinding.For the intermediate incline of deep hole machining stepped hole, because knife bar overhangs long, cause rigidity not enough and cannot realize being linked by vertical and horizontal on lathe carrying out grinding.
Conventional single structure has been broken in change along with product structure form, presents diversified form, and the junction, " cylindrical shell " large and small hole that the applicant processes specifically is chamfered transition form, and molding surface size is longer, cannot realize honing and manual polishing.
If it is feasible for making special tooling grinding on lathe, but there is the quality risk without the ground effect difference under cutting fluid lubrication condition.
Summary of the invention
The purpose of this utility model is for above-mentioned present situation, aim to provide a kind of grinding that can realize intermediate incline, improve surface roughness, structure is simple, be easy to operation, the simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine that can produce a desired effect after using.
The implementation of the utility model object is, the simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine, it is truncated cone-shaped before plank, be cylindrical below, cylindrical diameter 1 ~ 2mm less of stepped hole aperture, truncated cone-shaped bevel angle is consistent with stepped hole intermediate incline angle, and truncated cone-shaped inclined-plane wraps up the above emery cloth of one deck, and emery cloth is bolted on truncated cone-shaped inclined-plane.
When using the utility model, select suitable particle size emery cloth, and be fixed on truncated cone-shaped inclined-plane; To refill on the cutter groove of boring head 4 and to compress, starting boring bar, open cooling-lubricant, start lathe feed, carry out grinding.New emery cloth is changed in emery cloth wearing and tearing.Repeat aforesaid operations step, until reach drawing requirement.
The utility model can realize the grinding of intermediate incline, improves surface roughness, and structure is simple, is easy to operation, can produces a desired effect after using.
If the grinding that easy grinding tool realizes intermediate incline can be made, improve surface roughness, will the effect of getting twice the result with half the effort be obtained.Therefore, we devise a secondary wooden simple and easy grinding tool, and clamping uses on the boring head of deep hole drilling machine, and structure is simple, are easy to operation, produce a desired effect after using.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation,
Fig. 2 is the using state figure of the utility model clamping on boring head.
Detailed description of the invention
With reference to the accompanying drawings in detail the utility model is described in detail.
With reference to Fig. 1,2, plank 1 is truncated cone-shaped above, after be cylindrical, cylindrical diameter 1 ~ 2mm less of stepped hole aperture, truncated cone-shaped bevel angle is consistent with what component with inclined plane.Truncated cone-shaped inclined-plane wraps up the above emery cloth 2 of one deck, and emery cloth is fixed on truncated cone-shaped inclined-plane by the bolt hole 3 on bolt, truncated cone-shaped inclined-plane.
Thick 20 ± the 1mm of plank 1.Truncated cone-shaped inclined-plane wraps up three layers of emery cloth 2, the bolt hole 3 aperture Φ 5mm on truncated cone-shaped inclined-plane.
When using the utility model, according to the requirement of grinding stepped hole intermediate incline, select varigrained emery cloth, emery cloth is fixed on truncated cone-shaped inclined-plane by the bolt hole 3 on bolt, truncated cone-shaped inclined-plane; The utility model is contained on the cutter groove of boring head 4 again, and is locked by hold-down bolt cylindrical, itself and boring head are fixedly connected.
Truncated cone-shaped is done tool setting starting point, guarantee the gap uniformity of cylindrical limit and hole wall, error amount is not more than 0.20mm; Boring head 4 and boring bar 5 are installed and supports wood key 6, to reduce boring bar 5 cantilevered length, increase its rigidity.
Start boring bar 5, tool setting point is reached macropore root position.Start machine tool chief axis to rotate, and open cooling-lubricant.Start lathe feed, until the emery cloth of grinding tool and part conical surface surface contact, and send the sound rustled.Along with the wearing and tearing of emery cloth, in grinding process, rustling sound gradually by turning by force weak, and then can open lathe feed, and each feed degree of depth is about 0.5mm.After feed three times, exit grinding tool, the surface roughness situation of the conical surface that detects by an unaided eye, and replace with new emery cloth.Emery cloth granularity sand during corase grind is 60 ~ 80, and emery cloth granularity sand during fine grinding is 320 ~ 600.
Repeat aforesaid operations step, until reach drawing requirement.
Claims (4)
1. the simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine, it is characterized in that being truncated cone-shaped before plank, be cylindrical below, cylindrical diameter 1 ~ 2mm less of stepped hole aperture, truncated cone-shaped bevel angle is consistent with stepped hole intermediate incline angle, truncated cone-shaped inclined-plane wraps up the above emery cloth of one deck, and emery cloth is bolted on truncated cone-shaped inclined-plane.
2. the simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine according to claim 1, is characterized in that plank (1) thick 20 ± 1mm.
3. the simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine according to claim 1, is characterized in that truncated cone-shaped inclined-plane wraps up three layers of emery cloth, bolt hole (3) the aperture Φ 5mm on truncated cone-shaped inclined-plane.
4. the simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine according to claim 1, it is characterized in that emery cloth (2) fineness of sand when roughly grinding is 60 ~ 80, emery cloth fineness of sand during fine grinding is 320 ~ 600.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609818.9U CN204277806U (en) | 2014-10-21 | 2014-10-21 | The simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609818.9U CN204277806U (en) | 2014-10-21 | 2014-10-21 | The simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204277806U true CN204277806U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420609818.9U Active CN204277806U (en) | 2014-10-21 | 2014-10-21 | The simple and easy grinding tool of grinding stepped hole intermediate incline on deep hole drilling and boring machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN204277806U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538022A (en) * | 2017-09-28 | 2018-01-05 | 山西风雷钻具有限公司 | Boring gang tool |
| CN107538021A (en) * | 2017-09-28 | 2018-01-05 | 山西风雷钻具有限公司 | A kind of boring head |
-
2014
- 2014-10-21 CN CN201420609818.9U patent/CN204277806U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538022A (en) * | 2017-09-28 | 2018-01-05 | 山西风雷钻具有限公司 | Boring gang tool |
| CN107538021A (en) * | 2017-09-28 | 2018-01-05 | 山西风雷钻具有限公司 | A kind of boring head |
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