CN206869229U - A kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers - Google Patents
A kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers Download PDFInfo
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- CN206869229U CN206869229U CN201720608801.5U CN201720608801U CN206869229U CN 206869229 U CN206869229 U CN 206869229U CN 201720608801 U CN201720608801 U CN 201720608801U CN 206869229 U CN206869229 U CN 206869229U
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- pcd
- blades
- working portion
- oil circuit
- valve plate
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Abstract
The utility model provides a kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers, including working portion and retained part, the working portion front end and middle part are welded with some PCD blades, for front end PCD blades and middle part PCD blades, circumference is provided with some straight type chip areas simultaneously, each PCD blades opposite of working portion is provided with chip pocket, and the front end PCD blades outside diameter of the working portion is less than middle part PCD blade outside diameters.The utility model inlays PCD diamond blades using hard alloy cutter hub, the processing rigidity and highly-efficient processing of cutter hub are may insure, solves the technical barrier that current traditional PCD welding reamer chip removal ability is weak, cutter life is short, cutting resistance is big, machining accuracy is not high, hole surface finish difference and processing linear degree are poor.
Description
Technical field
The utility model belongs to machinery knives processing and manufacturing technology, and in particular to a kind of high accuracy band sliver PCD is straight
Groove valve plate oil circuit reamer.
Background technology
It is crucial that Current mechanical manufacturing industry proposes higher and higher requirement, particularly auto manufacturing to machining accuracy
The size of parts is higher to requirement on machining accuracy.The dimensional accuracy in automobile valve plate oil circuit hole influences whether automobile engine
Life-span and security, and traditional polycrystalline diamond（PCD）Welding reamer chip removal ability is weak, cutter life is short, cutting resistance is big, adds
Work precision is not high, hole surface finish difference and processing linear degree are poor, it is difficult to meet auto manufacturing efficiently, the processing of high quality will
Ask.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of high accuracy band sliver PCD straight trough valve plates oil circuit hinge
Knife.The utility model inlays PCD diamond blades using hard alloy cutter hub, it can be ensured that the processing rigidity and highly-efficient processing of cutter hub
Property, the current traditional PCD welding reamer chip removal ability of solution is weak, cutter life is short, cutting resistance is big, machining accuracy is not high, hole table
The technical barrier of face finish difference and processing linear degree difference.
To achieve the above object, the utility model uses following technical scheme：
A kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers, including working portion and retained part, the work department
Sub-headend and middle part are welded with some PCD blades, are front end PCD blades and middle part PCD blades, while circumference is provided with some
Straight type chip area, each PCD blades opposite of working portion are provided with chip pocket, and the front end PCD blades of the working portion are cylindrical
Diameter is less than middle part PCD blade outside diameters.
Further, alloy gib block is left at the PCD blades of the working portion and its support, can accurately controls setting
Machine direction and processing dimension, it is ensured that institute's hole surface quality.
Further, center is provided with a cooling fluid through-hole for penetrating cutter hub vertically for the working portion and retained part,
Apopore is provided with front end PCD blades and middle part PCD blades and is connected with cooling fluid through-hole, coolant through-hole aperture is more than
PCD blade apopores.
The apopore connection cooling fluid through-hole, advantageously reduces machining temperature and is easy to discharge chip.
Further, the retained part end is provided with symmetrical tapered plane, is easy to cutter clamping.
Further, the retained part tapered plane end, provided with transition arc periphery, it is ensured that cutter work rigidity.
Reamer is welded with traditional PCD, beneficial effect caused by the utility model is：
（1）Alloy gib block is left at the PCD blades of working portion and its support in the utility model, can accurately be controlled
Set up fixed machine direction and processing dimension, it is ensured that institute's hole surface quality, obtain precision height, roughness is low, circularity is good, jumps
Dynamic small workpiece.
（2）Center is provided with the coolant of an insertion cutter hub and led to vertically for utility model works part and retained part
Hole, apopore is provided with PCD blades and is connected with cooling fluid through-hole, machining temperature is advantageously reduced and is easy to discharge to cut
Bits.
（3）Utility model works part-circular periphery is provided with straight type chip area, and chip pocket is provided with PCD blades opposite, the two
Work in coordination, it is ensured that cutter chip removal is smooth, will not produce built-up edge, chip occurs and can not arrange the situation for scratching workpiece surface.
（4）The utility model retained part end is provided with tapered plane, and tapered plane end is provided with transition arc periphery, really
It is consistent with cutter axle center to protect lathe work axle center, ensures the hole cylindricity of workpiece processed, while the work for improving cutter is firm
Property, increase its life-span.
Brief description of the drawings
Fig. 1 is the utility model structural front view；
Fig. 2 is working portion front end PCD insert end faces figures；
Fig. 3 is PCD blade cross section figures in the middle part of working portion；
In figure：1- working portions, 2- retained parts, 3- front ends PCD blades, 4- middle parts PCD blades, 5- alloy gib blocks,
6- chip areas, 7- tapered planes, 8- cooling fluid through-holes, 9- apopores.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
The utility model is a kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers, as Figure 1-3, including work
Part 1 and retained part 2, working portion 1 are located at before retained part 2.
The end of working portion 1 and middle part are welded with some PCD blades, preferably each four, are front end PCD blades
3 and middle part PCD blades 4, and the outside diameter of front end PCD blades 3 is less than the outside diameter of middle part PCD blades 4, and so setting can
To process the workpiece with shoulder hole simultaneously.
The circumference of working portion 1 is provided with some straight type chip areas 6, preferably four, in the PCD knives of working portion 1
Piece opposite is provided with chip pocket（Do not shown in figure）, the two is worked in coordination, it is ensured that cutter chip removal is smooth, will not produce built-up edge, go out
Existing chip can not arrange the situation for scratching workpiece surface.
The PCD blades of the working portion 1（Including front end PCD blades and middle part PCD blades）And its left at support
Alloy gib block 5, it can accurately control the machine direction and processing dimension of setting, it is ensured that institute's hole surface quality.Alloy is led
It is at the highest notch to bar 5 on circumference external diameter, its back portion is provided with circumference relief angle, it can be ensured that gib block contacts workpieces processing
Surface, PCD blades and extruding hole surface can be supported, obtains the workpiece that precision is high, roughness is low, circularity is good, bounce is small.
Center is provided with a cooling fluid through-hole 8 for penetrating cutter hub, front end vertically for the working portion 1 and retained part 2
Apopore 9 is provided with PCD blades 3 and middle part PCD blades 4 and is connected with cooling fluid through-hole 8, cooling fluid through-hole 8 aperture is more than
The aperture of PCD blades apopore 9, so set and advantageously reduce machining temperature and be easy to discharge chip.The type of cooling can
In a manner of using vapour-liquid combination cooling, the neat liquid type of cooling can also be used.
The end of retained part 2 is provided with symmetrical tapered plane 7, is easy to cutter clamping, fixed cutting tool, avoids work pieces process
During produce shake knife phenomenon.
The end of tapered plane 7 of the retained part 2 is provided with transition arc periphery, it is ensured that lathe work axle center and cutter
Axle center is consistent, ensures the hole cylindricity of workpiece processed, while improves the work rigidity of cutter, increases its life-span.
The utility model is reasonable in design, has higher machining accuracy, higher service life, reduces automobile system
The tooling cost of industry is made, there is very strong product competitiveness.
Here it is only illustrative contents to description of the present utility model and embodiment, rather than by purposes of the present utility model
It is limited to above-described embodiment.Under the guidance of the utility model technological thought, the other modes and means that are used according to this area are done
Alternative solution out, within the scope of protection of the utility model.
Claims (5)
1. a kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers, it is characterised in that including working portion（1）And clamping part
Point（2）, the working portion（1）Front end and middle part are welded with some PCD blades, are front end PCD blades（3）With middle part PCD
Blade（4）, while circumference is provided with some straight type chip areas（6）, working portion（1）Each PCD blades opposite be provided with appearance bits
Groove, the working portion（1）Front end PCD blades（3）Outside diameter is less than middle part PCD blades（4）Outside diameter.
2. a kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers according to claim 1, it is characterised in that described
Working portion（1）PCD blades and its support at leave alloy gib block（5）, can accurately control setting machine direction and
Processing dimension, it is ensured that institute's hole surface quality.
3. a kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers according to claim 1, it is characterised in that described
Working portion（1）And retained part（2）Center is provided with the cooling fluid through-hole of an insertion cutter hub vertically（8）, front end PCD blades
（3）With middle part PCD blades（4）Place is provided with apopore（9）And with cooling down fluid through-hole（8）It is connected, cools down fluid through-hole（8）Aperture is big
In PCD blade apopores（9）.
4. a kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers according to claim 1, it is characterised in that described
Retained part（2）End is provided with symmetrical tapered plane（7）, it is easy to cutter clamping.
5. a kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers according to claim 4, it is characterised in that described
Retained part（2）Tapered plane（7）End, provided with transition arc periphery, it is ensured that cutter work rigidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720608801.5U CN206869229U (en) | 2017-05-27 | 2017-05-27 | A kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720608801.5U CN206869229U (en) | 2017-05-27 | 2017-05-27 | A kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206869229U true CN206869229U (en) | 2018-01-12 |
Family
ID=61337157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720608801.5U Active CN206869229U (en) | 2017-05-27 | 2017-05-27 | A kind of high accuracy band sliver PCD straight trough valve plate oil circuit reamers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206869229U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213583A (en) * | 2018-03-19 | 2018-06-29 | 上海华昇精密机械科技有限公司 | A kind of reamer |
| CN113458463A (en) * | 2021-07-15 | 2021-10-01 | 江门市中刀精密科技有限公司 | Combined type multi-blade PCD reamer for processing automobile engine cylinder hole |
-
2017
- 2017-05-27 CN CN201720608801.5U patent/CN206869229U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213583A (en) * | 2018-03-19 | 2018-06-29 | 上海华昇精密机械科技有限公司 | A kind of reamer |
| CN113458463A (en) * | 2021-07-15 | 2021-10-01 | 江门市中刀精密科技有限公司 | Combined type multi-blade PCD reamer for processing automobile engine cylinder hole |
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