CN205165909U - Oil blanket hole boring cutter - Google Patents
Oil blanket hole boring cutter Download PDFInfo
- Publication number
- CN205165909U CN205165909U CN201520953307.3U CN201520953307U CN205165909U CN 205165909 U CN205165909 U CN 205165909U CN 201520953307 U CN201520953307 U CN 201520953307U CN 205165909 U CN205165909 U CN 205165909U
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- Prior art keywords
- cutter
- blade
- extruding
- cutter hub
- oil sealing
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Abstract
The utility model belongs to the technical field of the cutter, especially relate to an oil blanket hole boring cutter. Including the cutter body, the threaded connection hole has been seted up to the cutter body rear end, and the cutter body front portion is provided with chamfer blade, end face cutting blade, is used for the combined machining blade of processing oil hole sealing and compound trepanning, and the combined machining blade distributes at the cutter body front end, and chamfer blade and end face cutting blade set up on the cutter body at combined machining blade rear, the cutter body front portion be equipped with at least one with the extrusion sword that the chamfer blade corresponds along the cutter body axial, the chamfer blade the end face cutting blade with combined machining blade quantity is one, the extrusion cutter spacing in on the cutter body in chamfer blade the place ahead. The beneficial effects of the utility model are that: simple structure, reduce the dead weight of cutter body, reduced the centrifugal force that the rotatory in -process of cutter body produced, reduced the maintenance cost, improved work efficiency, set up the quality that the extrusion sword has improved product processing simultaneously.
Description
Technical field
The utility model belongs to cutting-tool engineering field, particularly relates to a kind of oil sealing hole boring cutter.
Background technology
Increasing the weight of along with production task now, and the export volume of foreign trade series products rises gradually, shock-absorber cylinder oil sealing hole surface roughness quality has much room for improvement, also just more and more higher to the requirement of oil sealing hole processing boring cutter.But the problem of structure owing to designing that boring cutter is original, easily there is obvious tool sharpening lines in bore hole rear surface, crudy is unstable.And cutter is organized in employing more, number of cutters is many, and cutter grinding operation labor intensity is large.Existing process tool is combined by multiple cutting edge, and cutter repairs a die difficulty greatly, is not easy to processing dimension and controls, and accurate to dimension and endoporus roughness are difficult to ensure, product quality exists hidden danger, and subsidiary operation time is longer.After existing cutter needs tool tube inner cooling water to fill, cooling water could flow out from cutter chip area, chip removal and cooling effect poor.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of oil sealing hole boring cutter, and for solving, number of cutters in prior art is many, maintenance repairs a die the problems such as difficulty, labour intensity is large, chip removal is inconvenient, crudy is poor.
For achieving the above object and other relevant objects, the utility model provides a kind of oil sealing hole boring cutter, comprise cutter hub, cutter hub rear end offers threaded connection hole, cutter hub front portion is provided with chamfering blade, building up by welding blade, for the combined cut blade of processing oil sealing of hole and compound trepanning, combined cut blade is distributed in cutter hub front end, chamfering blade and building up by welding blade are arranged on the cutter hub at combined cut blade rear, described cutter hub front portion is at least provided with one with described chamfering blade along the axial corresponding extruding cutter of cutter hub, described chamfering blade, described building up by welding blade and described combined cut knife number are one, described extruding cutter spacing is on the cutter hub in described chamfering blade front.
Further, described cutter hub inside is provided with cooling water channel, and described cutter hub front end is provided with the chip area be communicated with described cooling water channel.
Further, the quantity of described extruding cutter is two, and two extruding cuttves are along the distribution of cutter hub circumference, and between two extruding cuttves, angle is 90 °, and the blade of the extruding cutter axially corresponding with described chamfering blade is just to the blade of this chamfering blade.
Further, the length of described extruding cutter is 12mm, and the thickness of extruding cutter is 5mm, and the edge length of this extruding cutter is 2mm, and the blade of extruding cutter becomes 10 ° of angles with horizontal plane.
Further, described chamfering blade front end face and horizontal plane at 45 °, the distance of the described extruding cutter rear end face that described chamfering blade front end face is axially corresponding with it is 17mm.
Further, the radius of machining of described building up by welding blade is 25mm, and the radius of machining of described extruding cutter is 22mm.
Further, the center line of described extruding cutter and the center line of described cutter hub are positioned at same plane, and described building up by welding blade upper surface is higher than described cutter hub horizontal center line 0.5mm.
Further, described combined cut blade is arranged along cutter hub is axially corresponding with described chamfering blade.
As mentioned above, the beneficial effects of the utility model are: the deadweight alleviating cutter hub, reduce the centrifugal force that this oil sealing hole boring cutter produces when rotated; Combined cut blade, chamfering blade, building up by welding blade adopt single, are convenient to reconditioning boring cutter, reduce maintenance cost, more easily ensure the processing dimension of boring cutter simultaneously, shorten the time of less important work, improve production efficiency; Cooling water channel after improvement is communicated with chip area, chip area is arranged on the position that original cutter hub installs multiple blade, cooling water can be discharged by cooling water channel and chip area at any time, fill cooling water without the need to cutter hub inside and just discharge, improve the effect of cooling chip removal; Extruding cutter is set, after cutting tip completes processing, by extruding cutter, hole surface is extruded, avoid the generation of oil sealing hole inner burr, improve product quality.
Accompanying drawing explanation
Fig. 1 is the utility model oil sealing hole boring cutter front view;
Fig. 2 is the top view of the utility model oil sealing hole boring cutter;
Fig. 3 is the side view of the utility model oil sealing hole boring cutter;
Fig. 4 is that A in Fig. 1 of the utility model oil sealing hole boring cutter is to schematic diagram;
Fig. 5 is the enlarged diagram of local I in Fig. 2 of the utility model oil sealing hole boring cutter.
Piece mark explanation
1 cutter hub
2 threaded connection holes
3 combined cut blades
31 main aperture guiding cutting edges
32 compound trepanning cutting edges
33 oil sealing hole cutting edges
4 chamfering blades
5 building up by welding blades
6 extruding cuttves
7 cooling water channels
8 chip areas
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Fig. 5.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figures 1 to 5, the utility model oil sealing hole boring cutter, comprise cutter hub 1, cutter hub 1 rear end offers threaded connection hole 2, cutter hub 1 front portion is provided with chamfering blade 4, building up by welding blade 5, combined cut blade 3 for processing oil sealing of hole and compound trepanning, combined cut blade 3 is distributed in cutter hub 1 front end, and chamfering blade 4 and building up by welding blade 5 are arranged on the cutter hub 1 at combined cut blade 3 rear.Cutter hub 1 front portion is at least provided with one with chamfering blade 4 along the axially corresponding extruding cutter 6 of cutter hub 1, namely chamfering blade 4 with extrude cutter 6 and be arranged on the same straight line of cutter hub 1 axis.In the present embodiment, the quantity of extruding cutter 6 is two, and two extruding cuttves 6 are along the distribution of cutter hub 1 circumference, and as shown in Figure 3, between two extruding cuttves 6, angle is 90 °.As shown in Figure 3, the blade of wherein axially corresponding with chamfering blade 4 extruding cutter 6 is just to the blade of this chamfering blade 4.
As shown in Figures 1 to 5, chamfering blade 4, building up by welding blade 5 and combined cut blade 3 quantity are one, and extruding cutter 6 is positioned on the cutter hub 1 in chamfering blade 4 front.Chamfering blade 4, building up by welding blade 5 and combined cut blade 3 all adopt single, alleviate the deadweight of cutter hub 1, make cutter hub 1 can reduce centrifugal force when rotated.The quantity reducing blade reduces difficulty and the cost of safeguarding reconditioning, and cutter hub surface is left space and offered chip area 8 simultaneously, and chip area 8 is arranged on cutter hub 1 front end, and chip area 8 is communicated with the cooling water channel 7 being arranged on cutter hub 1 inside.As shown in Figure 3, the angle that chip area 8 is offered is 140 ° ~ 160 °, the present embodiment chooses 150 °, and offer chip area 8 and cooling water channel 7 and will avoid combined cut blade 3, building up by welding blade 5, chamfering blade 4 and extruding cutter 6, chip area 8 is communicated with cooling water channel 7 simultaneously.Chip area 8 being opened in the surface of cutter hub 1 and being communicated with cooling water channel 7, cooling water can be discharged by cooling water channel 7 and chip area 8 at any time, without the need to waiting until that cutter hub 1 inner cooling water fills and could discharge, improve the effect of chip removal cooling.
As shown in Figures 1 to 5, the length that cutter hub 1 front end face is stretched out in combined cut blade 3 front end is 1mm, combined cut blade 3 is followed successively by main aperture guiding cutting edge 31, compound trepanning cutting edge 32 and oil sealing hole cutting edge 33 from front to back, main aperture guiding cutting edge 31 becomes 30 ° of angles with horizontal plane, the radius of machining of compound trepanning cutting edge 32 is less than the radius of machining of oil sealing hole cutting edge 33.The thickness of combined cut blade 3 and building up by welding blade 5 is 4mm, and the blade width of combined cut blade 3 is 1mm ~ 1.2mm, gets 1.1mm in the present embodiment, and the inclination angle of combined cut blade 3 lateral surface is 13 °, and namely the cutting edge inclination of combined cut blade 3 is 13 °.As shown in Figure 2, the length of compound trepanning cutting edge 32 is 5.5mm, and the length of oil sealing hole cutting edge 33 is 13mm, and the length of building up by welding blade 5 is 10mm, and the distance between the cutting edge knife face of oil sealing hole cutting edge 33 and the end face of building up by welding blade 5 is 19.5mm.As shown in Figure 3, the radius of machining of building up by welding blade 5 is 25mm, and namely the outer face of building up by welding blade 5 and the distance at cutter hub 1 center are 25mm.
As shown in Figures 1 to 5, the length of extruding cutter 6 is 12mm, and the thickness of extruding cutter 6 is 5mm, and the edge length of this extruding cutter 6 is 2mm, and the blade of extruding cutter becomes 10 ° of angles with horizontal plane.Chamfering blade 4 front end face and horizontal plane at 45 °, the distance of extruding cutter 6 rear end face that chamfering blade 4 front end face is axially corresponding with it is 17mm.As shown in Figure 3, the radius of machining of extruding cutter 6 is 22mm, namely the extruding outer face of cutter 6 and the distance at cutter hub 1 center are 22mm, and the extruding center line of cutter 6 and the center line of cutter hub 1 are positioned at same plane, and building up by welding blade 5 upper surface is higher than cutter hub 1 horizontal center line 0.5mm.As shown in Figure 2, compound trepanning cutting edge 33 front end face is 1mm with the distance of extruding cutter 6 rear end face.Combined cut blade 3 is arranged along cutter hub 1 is axially corresponding with chamfering blade 5, and namely combined cut blade 3 and chamfering blade 5 are arranged on the same straight line of cutter hub 1 axis.In the present embodiment, the roughness of combined cut blade 3, chamfering blade 4 and building up by welding blade 5 lateral surface is Ra0.2, is conducive to improving work pieces process in quality.
Add man-hour, be that single-blade cuts the composite structure with two extruding cutter by Tool Design, boring cutter is arranged on machine tool chief axis by Mohs No. 5 taper shanks, knife bar is threaded with boring cutter tension cutter, workpiece is fixed on fixture, spindle swivel feeding is to oil sealing hole, compound trepanning and compound sleeve hole end surface are processed, after completing machining, extruded by extruding cutter 6 pairs of workpiece hole surfaces, avoid producing burr in hole, make hole circularity size more stable, ensure that product circularity and surface roughness requirements, improve product endoporus quality, reduce the hidden danger of the raw leakage of oil of product oil seal.Boring cutter cutter hub weight reduction, reduces the centrifugal force produced in cutter hub 1 rotation process, can meet again the processing request of workpiece simultaneously, reduce cost, improve efficiency and product quality.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (8)
1. an oil sealing hole boring cutter, comprise cutter hub, cutter hub rear end offers threaded connection hole, cutter hub front portion is provided with chamfering blade, building up by welding blade, for the combined cut blade of processing oil sealing of hole and compound trepanning, combined cut blade is distributed in cutter hub front end, chamfering blade and building up by welding blade are arranged on the cutter hub at combined cut blade rear, it is characterized in that: described cutter hub front portion is at least provided with one with described chamfering blade along the axial corresponding extruding cutter of cutter hub, described chamfering blade, described building up by welding blade and described combined cut knife number are one, described extruding cutter spacing is on the cutter hub in described chamfering blade front.
2. oil sealing hole boring cutter according to claim 1, is characterized in that: described cutter hub inside is provided with cooling water channel, and described cutter hub front end is provided with the chip area be communicated with described cooling water channel.
3. oil sealing hole boring cutter according to claim 1, it is characterized in that: the quantity of described extruding cutter is two, two extruding cuttves are along the distribution of cutter hub circumference, and between two extruding cuttves, angle is 90 °, and the blade of the extruding cutter axially corresponding with described chamfering blade is just to the blade of this chamfering blade.
4. oil sealing hole boring cutter according to claim 3, is characterized in that: the length of described extruding cutter is 12mm, and the thickness of extruding cutter is 5mm, and the edge length of this extruding cutter is 2mm, and the blade of extruding cutter becomes 10 ° of angles with horizontal plane.
5. oil sealing hole boring cutter according to claim 4, is characterized in that: described chamfering blade front end face and horizontal plane at 45 °, the distance of the described extruding cutter rear end face that described chamfering blade front end face is axially corresponding with it is 17mm.
6. oil sealing hole boring cutter according to claim 1, is characterized in that: the radius of machining of described building up by welding blade is 25mm, and the radius of machining of described extruding cutter is 22mm.
7. oil sealing hole boring cutter according to claim 1, is characterized in that: the center line of described extruding cutter and the center line of described cutter hub are positioned at same plane, and described building up by welding blade upper surface is higher than described cutter hub horizontal center line 0.5mm.
8. oil sealing hole boring cutter according to claim 1, is characterized in that: described combined cut blade is arranged along cutter hub is axially corresponding with described chamfering blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520953307.3U CN205165909U (en) | 2015-11-26 | 2015-11-26 | Oil blanket hole boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520953307.3U CN205165909U (en) | 2015-11-26 | 2015-11-26 | Oil blanket hole boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205165909U true CN205165909U (en) | 2016-04-20 |
Family
ID=55729945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520953307.3U Expired - Fee Related CN205165909U (en) | 2015-11-26 | 2015-11-26 | Oil blanket hole boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205165909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328221A (en) * | 2015-11-26 | 2016-02-17 | 重庆耀勇减震器有限公司 | Oil seal hole boring tool |
-
2015
- 2015-11-26 CN CN201520953307.3U patent/CN205165909U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328221A (en) * | 2015-11-26 | 2016-02-17 | 重庆耀勇减震器有限公司 | Oil seal hole 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161126 |