CN204545590U - A kind of engine valve guide bush hole machined reamer - Google Patents
A kind of engine valve guide bush hole machined reamer Download PDFInfo
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- CN204545590U CN204545590U CN201520216451.9U CN201520216451U CN204545590U CN 204545590 U CN204545590 U CN 204545590U CN 201520216451 U CN201520216451 U CN 201520216451U CN 204545590 U CN204545590 U CN 204545590U
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- reamer
- sword
- burnishing
- cutter head
- engine valve
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Abstract
The utility model discloses a kind of engine valve guide bush hole machined reamer, comprise: reamer cutter head, connecting rod and grip shank, a joint support guide rod is also provided with between described reamer cutter head and connecting rod, described reamer cutter head comprises not decile and the first burnishing-in sword of arranging of spiral successively, first reamer sword, second burnishing-in sword, second reamer sword, 3rd reamer sword and the 4th reamer sword, described first burnishing-in sword, first reamer sword, second burnishing-in sword, second reamer sword, 3rd reamer sword and the 4th hinge blade sides are respectively arranged with the fluid hole cooling fluid apertures with center and be connected.By the way, engine valve guide bush hole machined reamer described in the utility model, decreases the vibration under high speed operation environment, improve processed hole roughness, decentralized internal cooling liquid supply system, can process by higher cutting speed, working (machining) efficiency is high, long service life.
Description
Technical field
The utility model relates to reamer designing field, particularly relates to a kind of engine valve guide bush hole machined reamer.
Background technology
The valve guide hole dimension precision requirement of Diesel engine vital part cylinder cap is high, needs reamer to process, and adopts conventional reamers to carry out adding man-hour, need to increase pre-hole reamer, repeatedly the concentricity of process tool is difficult to ensure, the poor stability of processing, working (machining) efficiency is low.
In addition, because the valve guide hole material of cylinder cap is special powdered metallurgical material, wearability is high, and very large to cutter aging effects, conventional reamers uses needs frequent tool changing, causes using traditional handicraft processing percent defective high, takes time and effort.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of without the need to pre-hole, efficient, high accuracy engine valve guide bush hole machined reamer.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of engine valve guide bush hole machined reamer, comprise: reamer cutter head, connecting rod and grip shank, described connecting rod is arranged between reamer cutter head and grip shank, a joint support guide rod is also provided with between described reamer cutter head and connecting rod, described reamer cutter head, support guide rod, through center cooling fluid apertures is provided with in connecting rod and grip shank, described reamer cutter head comprises not decile and the first burnishing-in sword of arranging of spiral successively, first reamer sword, second burnishing-in sword, second reamer sword, 3rd reamer sword and the 4th reamer sword, described first burnishing-in sword, first reamer sword, second burnishing-in sword, second reamer sword, 3rd reamer sword and the 4th hinge blade sides are respectively arranged with the fluid hole cooling fluid apertures with center and be connected.
In the utility model preferred embodiment, the diameter of described support guide rod is greater than the diameter of connecting rod.
In the utility model preferred embodiment, described center cooling fluid apertures is capping in reamer cutter head outer setting.
In the utility model preferred embodiment, angle between described first burnishing-in sword and the first reamer sword is 58 °, angle between described first reamer sword and the second burnishing-in sword is 63 °, angle between described second burnishing-in sword and the second reamer sword is 58 °, angle between described second reamer sword and the 3rd reamer sword is 59 °, angle between described 3rd reamer sword and the 4th reamer sword is 59 °, and the angle between described 4th reamer sword and the first burnishing-in sword is 63 °.
In the utility model preferred embodiment, the diameter of described grip shank is greater than the diameter of connecting rod.
The beneficial effects of the utility model are: a kind of engine valve guide bush hole machined reamer that the utility model is pointed out, add support guide rod, the rotation of external component is facilitated to clamp to improve strength and stability, first reamer sword, second reamer sword, 3rd reamer sword and the 4th reamer sword are responsible for fraising, first burnishing-in sword and the second burnishing-in sword are responsible for squeezing circle, improve the fineness of hole wall, can not need to increase pre-hole reamer, directly finish ream valve guide hole, in addition, adopt 6 swords not decile tooth distribution side set wiper edges technology, reduce the vibration of reamer under high speed operation environment, improve processed hole roughness, decentralized internal cooling liquid supply system, can process by higher cutting speed, working (machining) efficiency is high, high life.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of a kind of engine valve guide bush hole machined of the utility model reamer one preferred embodiment;
Fig. 2 is that enlarged drawing is looked on a left side of Fig. 1;
Fig. 3 is the stereogram of Fig. 1;
Fig. 4 is the enlarged drawing of part A in Fig. 3.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 to Fig. 4, the utility model embodiment comprises:
A kind of engine valve guide bush hole machined reamer, comprise: reamer cutter head 1, connecting rod 3 and grip shank 4, described connecting rod 3 is arranged between reamer cutter head 1 and grip shank 4, a joint support guide rod 2 is also provided with between described reamer cutter head 1 and connecting rod 3, the diameter of described support guide rod 2 is greater than the diameter of connecting rod 3, intensity is high, facilitates the clamping of external component to improve the intensity and the rotational stabilization that add man-hour.
Described reamer cutter head 1 comprises not decile and the first burnishing-in sword 11, first reamer sword 12, second burnishing-in sword 13, the second reamer sword 14, the 3rd reamer sword 15 and the 4th reamer sword 16 that arrange of spiral successively, adopt 6 swords not decile tooth distribution side set wiper edges technology, reduce the vibration of reamer under high speed operation environment, improve processed hole roughness.Angle between described first burnishing-in sword 11 and the first reamer sword 12 is 58 °, angle between described first reamer sword 12 and the second burnishing-in sword 13 is 63 °, angle between described second burnishing-in sword 13 and the second reamer sword 14 is 58 °, angle between described second reamer sword 14 and the 3rd reamer sword 15 is 59 °, angle between described 3rd reamer sword 15 and the 4th reamer sword 16 is 59 °, and the angle between described 4th reamer sword 16 and the first burnishing-in sword 11 is 63 °.
Be provided with cooling fluid apertures 5 in through center in described reamer cutter head 1, support guide rod 2, connecting rod 3 and grip shank 4, described first burnishing-in sword 11, first reamer sword 12, second burnishing-in sword 13, second reamer sword 14, the 3rd reamer sword 15 with the 4th reamer sword 16 side is respectively arranged with the fluid hole 17 cooling fluid apertures 5 with center and be connected.Composition decentralized internal cooling liquid supply system, can process by higher cutting speed, working (machining) efficiency is high, increases the service life.
Described center cooling fluid apertures 5 is capping in reamer cutter head 1 outer setting.
Needing the circle controlling reamer cutter head 1, support guide rod 2, connecting rod 3 and grip shank 4 to beat during the production of engine valve guide bush hole machined reamer controls within 0.003mm, the end cylindrical of grip shank 4 is arranged the plane of a convenient clamping.
Reamer cutter head 1 adopts atomic particle carbide alloy material to make, can ensure that cutter is processed in higher cutting speed (>50 m/min), working (machining) efficiency is more than 10 times of conventional reamers, hole roughness can ensure at Ra0.4, hole cylindricity reaches 0.003 millimeter, high life, can process 1000 holes.
In sum, a kind of engine valve guide bush hole machined reamer that the utility model is pointed out, without the need to pre-hinge, the efficiency of processing is high, and the precision in the hole obtained is high, and long service life.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. an engine valve guide bush hole machined reamer, comprise: reamer cutter head, connecting rod and grip shank, described connecting rod is arranged between reamer cutter head and grip shank, it is characterized in that, a joint support guide rod is also provided with between described reamer cutter head and connecting rod, described reamer cutter head, support guide rod, through center cooling fluid apertures is provided with in connecting rod and grip shank, described reamer cutter head comprises not decile and the first burnishing-in sword of arranging of spiral successively, first reamer sword, second burnishing-in sword, second reamer sword, 3rd reamer sword and the 4th reamer sword, described first burnishing-in sword, first reamer sword, second burnishing-in sword, second reamer sword, 3rd reamer sword and the 4th hinge blade sides are respectively arranged with the fluid hole cooling fluid apertures with center and be connected.
2. engine valve guide bush hole machined reamer according to claim 1, is characterized in that, the diameter of described support guide rod is greater than the diameter of connecting rod.
3. engine valve guide bush hole machined reamer according to claim 1, is characterized in that, described center cooling fluid apertures is capping in reamer cutter head outer setting.
4. engine valve guide bush hole machined reamer according to claim 1, it is characterized in that, angle between described first burnishing-in sword and the first reamer sword is 58 °, angle between described first reamer sword and the second burnishing-in sword is 63 °, angle between described second burnishing-in sword and the second reamer sword is 58 °, angle between described second reamer sword and the 3rd reamer sword is 59 °, angle between described 3rd reamer sword and the 4th reamer sword is 59 °, and the angle between described 4th reamer sword and the first burnishing-in sword is 63 °.
5. engine valve guide bush hole machined reamer according to claim 1, is characterized in that, the diameter of described grip shank is greater than the diameter of connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216451.9U CN204545590U (en) | 2015-04-13 | 2015-04-13 | A kind of engine valve guide bush hole machined reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216451.9U CN204545590U (en) | 2015-04-13 | 2015-04-13 | A kind of engine valve guide bush hole machined reamer |
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| Publication Number | Publication Date |
|---|---|
| CN204545590U true CN204545590U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520216451.9U Active CN204545590U (en) | 2015-04-13 | 2015-04-13 | A kind of engine valve guide bush hole machined reamer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108350A (en) * | 2017-06-23 | 2019-01-01 | 胡兆栋 | A kind of modified burnishing-in knife |
-
2015
- 2015-04-13 CN CN201520216451.9U patent/CN204545590U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108350A (en) * | 2017-06-23 | 2019-01-01 | 胡兆栋 | A kind of modified burnishing-in knife |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |