CN208991875U - A kind of reamer - Google Patents
A kind of reamer Download PDFInfo
- Publication number
- CN208991875U CN208991875U CN201821484542.0U CN201821484542U CN208991875U CN 208991875 U CN208991875 U CN 208991875U CN 201821484542 U CN201821484542 U CN 201821484542U CN 208991875 U CN208991875 U CN 208991875U
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- Prior art keywords
- tooth
- cutting
- reamer
- degree
- burnishing
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- 210000000515 tooth Anatomy 0.000 claims abstract description 100
- 238000005520 cutting process Methods 0.000 claims abstract description 70
- 238000009499 grossing Methods 0.000 claims abstract description 31
- 230000007704 transition Effects 0.000 claims abstract description 21
- 239000011295 pitch Substances 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 5
- 238000005553 drilling Methods 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- ATCDNCMWCPJXNQ-UHFFFAOYSA-N [Nb].[Ta].[Ti].[W] Chemical class [Nb].[Ta].[Ti].[W] ATCDNCMWCPJXNQ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000703 anti-shock Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- JPNWDVUTVSTKMV-UHFFFAOYSA-N cobalt tungsten Chemical class [Co].[W] JPNWDVUTVSTKMV-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Landscapes
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model discloses a kind of reamers, including working portion and shank, the working portion is formed by being axially sequentially formed in integrated leader, cutting tip, transition portion and smoothing part from front to back along reamer, wherein, cutting tip has three cutting tooths being distributed along tooth pitches such as its circumference and three burnishing-in teeth, also, cutting tooth and burnishing-in tooth are circumferentially arranged alternately, and three cutting tooths and three burnishing-in teeth are straight sword.Using this reamer, it can be easy to use under the situation to machine tool accuracy no requirement (NR) and machining accuracy can be improved.
Description
Technical field
The utility model embodiment is related to the shape of special reamer technical field more particularly to a kind of pair of machine tool accuracy no requirement (NR)
The reamer of machining accuracy can be significantly improved under condition.
Background technique
Reamer is that have at least one straight sword or helical edges cutter tooth, the rotation to cut off machined hole surface sheet metal
Finishing tool for reaming or repairs hole.Reamer can be grasped manually because cutting output lacks its requirement on machining accuracy usually above drill bit
Make or be mounted on drilling machine to work.
Currently, reamer tool is varied on the market, still, these reamers are harsh to the machine tool accuracy requirement used, example
Such as, reamer on the market usually requires that pulsation of machine tool main shaft precision within 0.01mm.However, some bench drillings used at present
The precision of the lathe of bed compares aging, and main axis jerking precision, vertical precision and rigid requirements are poor, causes required precision not up to standard,
The effect roughness for processing hole is poor, does not meet the required precision of drawing.
In addition, reamer on the market generally has, there are six cutting edges.
In view of the foregoing, the utility model improves the structure of reamer.
Utility model content
The utility model embodiment is designed to provide a kind of reamer, the energy side under the situation to machine tool accuracy no requirement (NR)
Just using and machining accuracy can be improved.
To achieve the above object, a kind of reamer of the utility model embodiment the specific technical proposal is: a kind of reamer, packet
Include cutting tip, which is characterized in that the cutting tip is squeezed with three cutting tooths being distributed along tooth pitches such as its circumference and three
Light tooth, also, the cutting tooth and the burnishing-in tooth are circumferentially arranged alternately.
Preferably, three cutting tooths and three burnishing-in teeth are straight sword.
It preferably, further include that integrated, axial front side positioned at the cutting tip draw is formed in the cutting tip
Part is led, the leader is equipped with along the distribution of the tooth pitches such as its circumference and three cutting tooths and three burnishing-in teeth
One-to-one six guidance cutter tooth.
It preferably, further include that integrated, axial rear side positioned at the cutting tip repair is formed in the cutting tip
Light part, the smoothing part are equipped with along the distribution of the tooth pitches such as its circumference and three cutting tooths and three burnishing-in teeth
One-to-one six smoothing cutters tooth.
It preferably, further include connecting the cutting tip and the smoothing part and being formed in integrated transition part with the two
Point, the transition portion be equipped with along the distribution of the tooth pitches such as its circumference, with three cutting tooths and three burnishing-in teeth and
Six smoothing cutters tooth distinguish one-to-one six transition cutters tooth.
Preferably, the transition cutter tooth be from front to back, by radially inner side towards the inclined inclined plane part of radial outside, it
Front end is connect with the cutter tooth on the cutting tip, and its rear end is connect with the smoothing cutter tooth.
Preferably, the outer surface of the leader, the cutting tip and the transition portion is coated with wear-resistant
Coating.
Preferably, the reamer is mounted on the main shaft of drilling machine by flexible adapter.
Preferably, the reamer is the cutter made of hard alloy or high-speed steel.
Preferably, the anterior angle of the cutting tooth is 0 degree, and relief angle is 7 degree of -9 degree, and tool cutting edge angle is 3-5 degree, and auxiliary angle is 0 degree,
Margin width and the ratio of land width are 0.5/1.1；The anterior angle of the burnishing-in tooth is 0 degree, and relief angle is 7-9 degree, and tool cutting edge angle is
3-5 degree, auxiliary angle are 0 degree, and the ratio of margin width and land width is 1.0/1.6；The adjacent cutting tooth and the burnishing-in
Chip pocket is formed between tooth, the cutter groove angle of the chip pocket is 70 degree.
A kind of the advantages of reamer of the utility model embodiment, is: using reamer described in the present embodiment in drilling machine lathe essence
Under degree and the bad situation of cutting parameter condition, can significantly improve device to hole finish reams roughness, is conducive to the processing for improving hole
Precision.
Detailed description of the invention
Fig. 1 is the three-dimensional strabismus schematic diagram of the reamer of the utility model embodiment；
Fig. 2 is the side view of the reamer of the utility model embodiment；
Fig. 3 is that the various parameters of the reamer of the utility model embodiment mark schematic diagram；
Fig. 4 is the front view of the reamer of the utility model embodiment；
Fig. 5 is that the various parameters of the cutting tip of the reamer of the utility model embodiment mark schematic diagram.
Specific embodiment
In order to be better understood by the purpose of this utility model, structure and function, with reference to the accompanying drawing, to the utility model
A kind of reamer does further detailed description.
As Figure 1-Figure 5, it is shown as a kind of reamer of the utility model embodiment, reamer 100 is mainly by along its axial direction
It is sequentially formed in integrated working portion 110 and shank 120 from front to back, wherein shank 120 is used to clamping and transmitting torque,
Its shape has cylindrical, cone and three kinds of quadrat sampling shape, and specifically, in the present embodiment, the shape of shank 120 is cylinder, handle
The diameter in portion 120 is 12mm, and the length is 54mm.
In the present embodiment, the length of working portion 110 is 26mm, and the working portion 110 is by axial before along reamer 100
Integrated leader 111, cutting tip 112 and smoothing part 113 is sequentially formed in backward to form.Particularly, in cutting portion
Divide the transition portion 114 that both connections are additionally provided between 112 and smoothing part 113.Working portion 110 is equipped with circumferential equal along it
Six teeth portion of even distribution, the specific structure about this six teeth portion will be described in detail in following part.
Wherein, leader 111 is targeting part when reamer initially enters in hole.In the present embodiment, leader 111
It is the pyramidal structure that diameter gradually increases from front to back, its length (along the length of reamer axial direction, the i.e. height of pyramidal structure)
For 0.3mm, point diameter 6.95mm, its rear end diameter is 9.2mm, and guide angle (referring specifically to shown in Fig. 3) is 150
Degree.Leader 111 is equipped with six guidance cutter tooth 111a being distributed along tooth pitches such as its circumference, single to guide cutter tooth 111a for certainly
Towards the inclined inclined plane part of radial outside after forward direction, by radially inner side.
Cutting tip 112 serves as main cutwork, can cut very thin chip.In the present embodiment, the length of cutting tip
Degree is 10.4mm, a diameter of 9.2mm.Cutting tip 112 is including cylindrical cutting tip main body and along cutting tip main body
The tooth pitches distribution such as circumference six cutters tooth, this six cutters tooth are the straight sword axially extending along reamer, including three cutting tooths
112a and three burnishing-in tooth 112b, also, cutting tooth 112a and burnishing-in tooth 112b is arranged along the circle alternate of cutting tip main body,
Chip pocket 112c is equipped between adjacent cutting tooth 112a and burnishing-in tooth 112b.
Wherein, the anterior angle of cutting tooth 112a is 0 degree, and relief angle is 7 degree of -9 degree, and tool cutting edge angle is 3-5 degree, and auxiliary angle is 0 degree, sword
Across back degree is 1.1mm, and margin width 0.3mm-0.5mm, the distance of land to the center of circle is 10.4mm.
The anterior angle of burnishing-in tooth 112b is 0 degree, and relief angle is 7 degree of -9 degree, and tool cutting edge angle is 5 degree, and auxiliary angle is 0 degree, land width
For 1.6mm, margin width 1.0mm-1.2mm, the distance of land to the center of circle is 4.6mm.
The cutter groove angle of chip pocket 112c is 70 degree, groove depth 1.8mm, and slot bottom radius of corner is 0.3mm.
Smoothing part 113 is also known as calibrated section, plays calibration apertures, smoothing hole wall and guiding role, increases its length, can mention
Guiding role when high ream.In the present embodiment, the length of smoothing part 113 is 12.7mm, and a diameter of 12mm, it includes
Cylindrical smoothing portion body and six smoothing cutter tooth 113a along the distribution of the tooth pitches such as the circumference of smoothing portion body, this six
Smoothing cutter tooth 113a is the straight sword axially extending along reamer, also, this six smoothing cutter tooth 113a and aforementioned cutting tip 112
On six cutters tooth correspond and aligned in reamer axial direction, between adjacent smoothing cutter tooth 113a be equipped with smoothing chip pocket
113b。
Wherein, the land width of smoothing cutter tooth 113a is 2mm, and the distance of land to the center of circle is 6mm；Smoothing chip pocket 113b
Cutter groove angle be 70 degree, groove depth 2.3mm, slot bottom radius of corner be 0.3mm.
Transition portion 114 is also the pyramidal structure that diameter gradually increases from front to back, its length is 2.9mm, front end
Diameter is 9.2mm, and its rear end diameter is 12mm, and guide angle (referring specifically to shown in Fig. 3) is 60 degree.
Transition portion 114 is equipped with six transition cutter tooth 114a being distributed along tooth pitches such as its circumference, this six transition cutters tooth
114a and six cutters tooth on aforementioned cutting tip 112, the one-to-one correspondence of six smoothing cutter tooth 113a on smoothing part 113 and three
Person along the axially opposing standard of reamer, single transition cutter tooth 114a be from front to back, it is inclined tiltedly towards radial outside by radially inner side
Face, the cutter tooth connection on its front end and cutting tip, its rear end is connect with smoothing cutter tooth 113a.Adjacent transition cutter tooth 114
Between interval be axially connected with chip pocket 112c, smoothing chip pocket 113b along reamer.
Particularly, six guidance cutter tooth 111a on leader 111, six cutters tooth, transition parts on cutting tip 112
Six transition cutter tooth 114a, the six smoothing cutter tooth 113a on smoothing part 113 divided on 114 are corresponded and four along hinge
Cutter shaft constitutes a tooth on the working portion 110 of reamer 100 to aligning, by four cutters tooth on same aligning direction
Portion.
Above-mentioned reamer 100 is whole to be made of hard alloy or high-speed steel.Specifically, above-mentioned reamer 100 it is preferred it is whole by
K20 hard alloy material is made, and K represents the hard alloy ISO trade mark；20 represent abrasion resistance or anti-shock resistance, should
Numerical value is smaller, and it is harder to represent hardness, more not impact resistance.Hard alloy have hardness is high, wear-resisting, intensity and toughness are preferable, it is heat-resisting,
The advantages that corrosion-resistant, is widely used as cutter material, is used for cutting cast iron, non-ferrous metal, plastics, chemical fibre, graphite, glass, stone material
And common iron, it can also be used to the difficult to machine materials such as cutting heat resisting steel, stainless steel, potassium steel, tool steel, it may for example comprise
Tungsten-cobalt series hard alloy, kennametal, tungsten titanium tantalum (niobium) series hard alloy etc..
In addition, the outer surface of the leader 111 of above-mentioned reamer 100, cutting tip 112 and transition portion 114 also
Equipped with coating, which is that the good refractory metal or nonmetallic compound of a thin layer wearability is coated by vapor deposition method
Preparation, as a chemical barrier and thermodynamic barrier, reduce the diffusion and chemical reaction between reamer 100 and workpiece, thus
Reduce the abrasion of reamer.Specifically, in the present embodiment, coating is TiALN (TiAlN) coating.
Above-mentioned reamer 100 can be mounted on drilling machine lathe by flexible adapter, and specifically, reamer 100 is turned by flexible
Connector is mounted on the main shaft of drilling machine.
Beneficial effect using above-mentioned reamer 100 is: in the bad shape of the required precision of drilling machine lathe and cutting parameter condition
Under condition, the requirement for finish reaming roughness high (roughness of Ra0.8) for meeting drawing device to hole can be realized by above-mentioned reamer.Specifically
Ground, using above-mentioned reamer 100 in the case where meeting drawing inner hole and finish reaming the required precision of (Ra0.8 roughness), that is processed finish reams hole
Roughness actual measurement be Ra0.2 or so, it is seen then that using reamer 100 described in the present embodiment in drilling machine machine tool accuracy and cutting parameter
Under the bad situation of condition, can significantly improve device to hole finish reams roughness, is conducive to the machining accuracy for improving hole.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " center ", " length ", " width ", "front", "rear", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In this application unless specifically defined or limited otherwise, the terms such as term " connected ", " connection " should do broad sense reason
Solution, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connection, be also possible to electricity
Connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Especially, as long as structural conflict is not present, items technical characteristic mentioned in the various embodiments can combine in any way
Get up.The utility model is not limited to specific embodiment disclosed herein, but including falling within the scope of the appended claims
All technical solutions.
Claims (10)
1. a kind of reamer, including cutting tip (112), which is characterized in that the cutting tip (112) has along teeth such as its circumference
Three cutting tooths (112a) and three burnishing-in teeth (112b) away from distribution, also, the cutting tooth (112a) and the burnishing-in tooth
(112b) is circumferentially arranged alternately.
2. reamer according to claim 1, which is characterized in that three cutting tooths (112a) and three burnishing-in teeth
(112b) is straight sword.
3. reamer according to claim 1, which is characterized in that further include be formed in the cutting tip (112) one,
Positioned at the leader (111) of the axial front side of the cutting tip (112),
The leader (111) is equipped with along the distribution of the tooth pitches such as its circumference and three cutting tooths (112a) and described three
A one-to-one six guidance cutters tooth (111a) of burnishing-in tooth (112b).
4. reamer according to claim 3, which is characterized in that further include be formed in the cutting tip (112) one,
Smoothing part (113) on rear side of the axial direction of the cutting tip (112),
The smoothing part (113) is equipped with along the distribution of the tooth pitches such as its circumference and three cutting tooths (112a) and described three
A one-to-one six smoothing cutters tooth (113a) of burnishing-in tooth (112b).
5. reamer according to claim 4, which is characterized in that further include connecting the cutting tip (112) to repair with described
Light part (113) is simultaneously formed in integrated transition portion (114) with the two,
The transition portion (114) is equipped with along the distribution of the tooth pitches such as its circumference and three cutting tooths (112a) and described three
A burnishing-in tooth (112b) and the one-to-one six transition cutters tooth (114a) of six smoothing cutters tooth (113a) difference.
6. reamer according to claim 5, which is characterized in that the transition cutter tooth (114a) is from front to back, by radial direction
Inside is connect towards the inclined inclined plane part of radial outside, its front end with the cutter tooth on the cutting tip (112), its rear end with
Smoothing cutter tooth (113a) connection.
7. reamer according to claim 5, which is characterized in that the leader (111), the cutting tip (112)
And the outer surface of the transition portion (114) is coated with anti abrasive coating.
8. reamer according to claim 1, which is characterized in that the reamer (100) is mounted on brill by flexible adapter
On the main shaft of bed.
9. reamer according to claim 1, which is characterized in that the reamer (100) is by hard alloy or high speed steel
At cutter.
10. reamer according to claim 1, which is characterized in that the anterior angle of the cutting tooth (112a) is 0 degree, relief angle 7
- 9 degree of degree, tool cutting edge angle are 3-5 degree, and auxiliary angle is 0 degree, and the ratio of margin width and land width is 0.5/1.1,
The anterior angle of the burnishing-in tooth (112b) is 0 degree, and relief angle is 7-9 degree, and tool cutting edge angle is more 3-5 degree, and auxiliary angle is 0 degree, land
The ratio of width and land width is 1.0/1.6,
Chip pocket (112c), the chip pocket are formed between the adjacent cutting tooth (112a) and the burnishing-in tooth (112b)
The cutter groove angle of (112c) is 70 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821484542.0U CN208991875U (en) | 2018-09-11 | 2018-09-11 | A kind of reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821484542.0U CN208991875U (en) | 2018-09-11 | 2018-09-11 | A kind of reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208991875U true CN208991875U (en) | 2019-06-18 |
Family
ID=66800145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821484542.0U Active CN208991875U (en) | 2018-09-11 | 2018-09-11 | A kind of reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208991875U (en) |
-
2018
- 2018-09-11 CN CN201821484542.0U patent/CN208991875U/en active Active
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