CN206065512U - A kind of helical deep hole annular groove knife - Google Patents
A kind of helical deep hole annular groove knife Download PDFInfo
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- CN206065512U CN206065512U CN201621024750.3U CN201621024750U CN206065512U CN 206065512 U CN206065512 U CN 206065512U CN 201621024750 U CN201621024750 U CN 201621024750U CN 206065512 U CN206065512 U CN 206065512U
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- Prior art keywords
- cutter head
- annular groove
- deep hole
- blade
- hole annular
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Abstract
The utility model discloses a kind of helical deep hole annular groove knife, including tubular cutter hub, one end of tubular cutter hub is provided with handle of a knife, the other end is provided with cutter head, the end of cutter head is provided with blade, and the lateral wall of cutter head is provided with spiral discharging groove, and the inwall of tubular cutter hub is provided with least one lead channel.Deep hole annular groove can be processed by the rotation of cutter head, as the inwall of tubular cutter hub is provided with the lead channel entered for coolant, chip can be discharged under the extruding of coolant from spiral discharging groove, therefore can improve indirectly the machining accuracy of deep hole annular groove in time by chip discharge.The width of blade can be accurately controlled wherein, by machine-shaping by a feed, therefore production efficiency is higher.
Description
Technical field
This utility model is related to cutter field, more particularly to a kind of helical deep hole annular groove knife.
Background technology
In space equipment and civil equipment field, Jing commonly uses deep hole annular groove class part as described in Figure 1, in annular groove
In generally need to assemble corresponding parts, therefore the inner prop in annular groove is cylindrical and annular groove internal control has tolerance and the precision will
Ask.Two kinds are included mainly to the traditional processing mode of deep hole annular groove:
1st, symmetrical casting, after slightly being cut using autogenous grinding cutting knife, then carries out boring to reach tolerance;
2nd, non-revolved body part, in the place-centric perforating for requiring and marks annular groove roughing line, slightly bores along annular groove and removes woollen
Afterwards, annular groove is milled out again using machining center and stay certain surplus, finally carry out electricity and wear polish to reach tolerance.
Not only the process-cycle is long for above processing mode, high cost, and cutting region cooling difficulty, and tool wear is fast, scraps
Rate is high.
Therefore, the deep hole annular groove on part how is effectively processed, is the technology that those skilled in the art are badly in need of solving
Problem.
Utility model content
The purpose of this utility model is to provide a kind of helical deep hole annular groove knife, can effectively process deep hole annular groove, and
And it is easy to process, production efficiency is high.
To solve above-mentioned technical problem, this utility model provides following technical scheme:
A kind of helical deep hole annular groove knife, including tubular cutter hub, one end of the tubular cutter hub are provided with handle of a knife, and the other end is provided with
Cutter head, the cutter head are provided with blade, and the lateral wall of the cutter head is provided with spiral discharging groove, on the inwall of the tubular cutter hub
It is provided with least one lead channel.
Preferably, the cutter head is provided with blade described at least two.
Preferably, the blade is provided with the cylindrical section for machining and shaping.
Preferably, the lead channel is semicircular lead channel for cross section.
Preferably, the medial wall or/and lateral wall of the cutter head are tapered along the axial direction of the cutter head to the handle of a knife.
Preferably, the medial wall or/and lateral wall of the cutter head is inverted cone surface.
Preferably, when part to be processed is steel and iron parts, the helical angle of the spiral discharging groove is 15 °~20 °;When being added
When work part is non-ferrous metal pieces, the helical angle of the spiral discharging groove is 25 °~30 °, and the depth of the spiral discharging groove is
0.2~0.3 times of the cutter head side wall times thickness, the axial length of the spiral discharging groove are annular recessed more than what needs were processed
15~the 20mm of depth of groove, its numerical value include endpoint value.
Preferably, when the sidewall thickness of the cutter head is not less than 2mm, the radius of the lead channel is 1~1.5mm;When
When the sidewall thickness of the cutter head is not more than 1.5mm, the radius of the lead channel is 0.5~1mm, when there is two lead channel
When, the lead channel is symmetrical arranged, and the angle of the end of the lead channel and the blade is 45 °.
Preferably, when the thickness of the cutter head is not less than 2mm, the groove depth of the blade is 2~2.5mm, when the knife
When the thickness of head is not more than 1mm, the groove depth of the blade is 1~1.5mm;
When part to be processed is steel and iron parts, the anterior angle of the blade is 6 °~8 °, when part to be processed is non-ferrous metal
During part, the anterior angle of the blade is 3 °~5 °;
When part to be processed part is steel and iron parts, the first relief angle of the blade is 8 °~10 °, when part to be processed is have
During non-ferrous metal, the first relief angle of the blade is 12 °~15 °, and the second relief angle of the blade is more than first relief angle, described
Angle between the radial direction of the bottom land of blade and the cutter head is 25 °.
Preferably, the diameter with diameter greater than the cutter head of the handle of a knife.
Compared with prior art, above-mentioned technical proposal has advantages below:
A kind of helical deep hole annular groove knife provided by the utility model, including tubular cutter hub, one end of tubular cutter hub is provided with
Handle of a knife, the other end are provided with cutter head, and the end of cutter head is provided with blade, and the lateral wall of cutter head is provided with spiral discharging groove, tubular cutter hub
Inwall be provided with least one lead channel.Deep hole annular groove can be processed by the rotation of cutter head, due in tubular cutter hub
Wall is provided with the lead channel entered for coolant, and chip can be discharged under the extruding of coolant from spiral discharging groove, because
This can improve the machining accuracy of deep hole annular groove in time by chip discharge indirectly.Blade can be accurately controlled wherein
Width, by machine-shaping by a feed, therefore production efficiency is higher.
Description of the drawings
In order to be illustrated more clearly that this utility model or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for technology description is briefly described, it should be apparent that, drawings in the following description are that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of part with deep hole annular groove of the prior art;
A kind of front view structure of helical deep hole annular groove knife that Fig. 2 is provided by a kind of specific embodiment of this utility model is shown
It is intended to;
Fig. 3 is the main view cross section structure diagram of helical deep hole annular groove knife in Fig. 2;
Fig. 4 is the left view structural representation of helical deep hole annular groove knife in Fig. 2;
Fig. 5 is the B direction structure schematic diagrams in Fig. 4.
Reference is as follows:
1 is deep hole annular groove, and 2 is handle of a knife, and 21 is lead channel, and 3 is cutter head, and 31 is cylindrical section, and 32 is blade, and 33 go out for spiral
Hopper.
Specific embodiment
Just as described in the background section, not only efficiency is low for current tool sharpening deep hole annular groove, and precision is relatively low, report
Useless rate is high.
On the basis of the studies above, this utility model embodiment provides a kind of helical deep hole annular groove knife, by knife
The rotation of head can process deep hole annular groove, as the inwall of tubular cutter hub is provided with the lead channel entered for coolant, cut
Bits can be discharged under the extruding of coolant from spiral discharging groove, therefore can be improved indirectly in time by chip discharge
The machining accuracy of deep hole annular groove.The width of blade can be accurately controlled wherein, by machine-shaping by a feed, therefore
Production efficiency is higher.
In order that above-mentioned purpose of the present utility model, feature and advantage can become apparent from it is understandable, it is right below in conjunction with the accompanying drawings
Specific embodiment of the present utility model is described in detail.
Elaborate detail in order to fully understand this utility model in the following description.But this utility model can
With it is various different from alternate manner described here implementing, those skilled in the art can be without prejudice to this utility model intension
In the case of do similar popularization.Therefore this utility model is not limited by following public specific embodiment.
Fig. 1-Fig. 5 is refer to, Fig. 1 is a kind of structural representation of part with deep hole annular groove of the prior art;Fig. 2
A kind of main structure diagram of the helical deep hole annular groove knife provided by a kind of specific embodiment of this utility model;Fig. 3 is
The main view cross section structure diagram of helical deep hole annular groove knife in Fig. 2;Fig. 4 is that the left view structure of helical deep hole annular groove knife in Fig. 2 is shown
It is intended to;Fig. 5 is the B direction structure schematic diagrams in Fig. 4.
A kind of specific embodiment of the present utility model provides a kind of helical deep hole annular groove knife, including tubular cutter hub, cylinder
One end of shape cutter hub is provided with handle of a knife 2, and the other end is provided with cutter head 3, and the end of cutter head 3 is provided with blade 31, sets on the lateral wall of cutter head 3
The inwall for having spiral discharging groove 33, tubular cutter hub is provided with least one lead channel 21.
In the present embodiment, deep hole annular groove 1 as shown in Figure 1 can be processed by the rotation of cutter head 3, due to tubular knife
The inwall of body is provided with the lead channel 21 entered for coolant, and chip can be under the extruding of coolant from spiral discharging groove 33
Middle discharge, therefore the machining accuracy of deep hole annular groove 1 can be improve indirectly in time by chip discharge.Wherein can be accurate
The width of control blade 31, by machine-shaping by a feed, therefore production efficiency is higher.Wherein coolant is preferably cold
It is oily.
In order to ensure that circular groove cutter has enough intensity, cutter head 3 is provided with least two blades 31, wherein preferably two
Blade 31, is on the one hand easy to manufacture, is on the other hand easy to safeguard.
Further, the end of each blade 31 is equipped with cylindrical section 32.Ring can be effectively improved by cylindrical section 32
The machining accuracy of groove, the diameter of its middle cylindrical section 32 are preferably 1.5~2.0mm.
Further, it is semicircular lead channel that lead channel 21 is preferably cross section.Can certainly select other
Shape, the present embodiment are not specifically limited to this.
In order to avoid cutter head 3 abrades the machined surface of deep hole annular groove 1, the medial wall or/and lateral wall of cutter head 3 is along cutter head 3
Axial direction to handle of a knife 2 is tapered.Wherein inverted cone surface, the tool of its back taper can be set in the medial wall of cutter head 3 or/and lateral wall
Body taper and axial length specifically depend on the circumstances, and the present embodiment is not limited to this.
The helixangleβ size of annular groove knife is set according to processed material, when part to be processed is steel and iron parts, spiral shell
The helixangleβ for screwing out hopper 33 is 15 °~20 °;When part to be processed is non-ferrous metal pieces, the helical angle of spiral discharging groove 33
β is 25 °~30 °, and the depth of spiral discharging groove 33 is 0.2~0.3 times of 3 sidewall thickness of cutter head, the axial direction of spiral discharging groove 33
Depth 15~20mm of the length more than the annular groove for needing to process, its numerical value include endpoint value.
Wherein, when the sidewall thickness of cutter head 3 is not less than 2mm, the radius of lead channel 21 is 1~1.5mm;When cutter head 3
When sidewall thickness is not more than 1.5mm, the radius of lead channel 21 is 0.5~1mm, when there is two lead channel 21, lead channel 21 pairs
Claim to arrange, and the angle of the end of lead channel 21 and blade 31 is 45 °.
In addition, when the thickness of cutter head 3 is not less than 2mm, the groove depth of blade 31 is 2~2.5mm, when cutter head 3 thickness not
During more than 1mm, the groove depth of blade 31 is 1~1.5mm;When part to be processed is steel and iron parts, the anterior angle of blade 31 is 6 °~8 °,
When part to be processed is non-ferrous metal pieces, the anterior angle of blade 31 is 3 °~5 °;When part to be processed is steel and iron parts, blade 31
The first relief angle α1For 8 °~10 °, when part to be processed is non-ferrous metal, the first relief angle α of blade 311For 12 °~15 °, knife
Second relief angle α of sword 312More than the first relief angle α1, wherein it is preferred that by the second relief angle α2Elect 30 ° as, in addition the bottom land of blade 31 with
Angle between the radial direction of cutter head 3 is 25 °, naturally it is also possible to be chosen for other angle values according to practical situation.
In order to improve the working strength of the helical deep hole annular groove knife provided by above-described embodiment, can be by the diameter of handle of a knife 2
It is set to the diameter more than cutter head 3.
Above a kind of helical deep hole annular groove knife provided by the utility model is described in detail.It is used herein
Specific case is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help and manages
Solve core concept of the present utility model.It should be pointed out that for those skilled in the art, without departing from this reality
On the premise of with new principle, some improvement and modification can also be carried out to this utility model, these improve and modification also falls into
In this utility model scope of the claims.
Claims (10)
1. a kind of helical deep hole annular groove knife, it is characterised in that including tubular cutter hub, one end of the tubular cutter hub is provided with handle of a knife,
The other end is provided with cutter head, and the end of the cutter head is provided with blade, and the lateral wall of the cutter head is provided with spiral discharging groove, the cylinder
The inwall of shape cutter hub is provided with least one lead channel.
2. helical deep hole annular groove knife according to claim 1, it is characterised in that the cutter head is provided with described at least two
Blade.
3. helical deep hole annular groove knife according to claim 2, it is characterised in that the blade is provided with for machining and shaping
Cylindrical section.
4. helical deep hole annular groove knife according to claim 3, it is characterised in that the lead channel is semicircle for cross section
Lead channel.
5. helical deep hole annular groove knife according to claim 4, it is characterised in that the medial wall or/and outside of the cutter head
Wall is tapered along the axial direction of the cutter head to the handle of a knife.
6. helical deep hole annular groove knife according to claim 5, it is characterised in that the medial wall or/and outside of the cutter head
Wall is inverted cone surface.
7. helical deep hole annular groove knife according to claim 6, it is characterised in that when part to be processed is steel and iron parts, institute
The helical angle for stating spiral discharging groove is 15 °~20 °;When part to be processed is non-ferrous metal pieces, the spiral shell of the spiral discharging groove
Swing angle is 25 °~30 °, and the depth of the spiral discharging groove is 0.2~0.3 times of the cutter head side wall times thickness, the spiral
Depth 15~20mm of the axial length of blow tank more than the annular groove for needing to process, its numerical value include endpoint value.
8. helical deep hole annular groove knife according to claim 7, it is characterised in that when the sidewall thickness of the cutter head is not less than
During 2mm, the radius of the lead channel is 1~1.5mm;When the sidewall thickness of the cutter head is not more than 1.5mm, the lead channel
Radius be 0.5~1mm, when there is two lead channel, the lead channel is symmetrical arranged, and the lead channel and the knife
The angle of the end of sword is 45 °.
9. helical deep hole annular groove knife according to claim 8, it is characterised in that
When the thickness of the cutter head is not less than 2mm, the groove depth of the blade is 2~2.5mm, when the thickness of the cutter head it is little
When 1mm, the groove depth of the blade is 1~1.5mm;
When part to be processed is steel and iron parts, the anterior angle of the blade is 6 °~8 °, when part to be processed is non-ferrous metal pieces,
The anterior angle of the blade is 3 °~5 °;
When part to be processed part is steel and iron parts, the first relief angle of the blade is 8 °~10 °, when part to be processed is have coloured gold
During category, the first relief angle of the blade is 12 °~15 °, and the second relief angle of the blade is more than first relief angle, the blade
Bottom land and the radial direction of the cutter head between angle be 25 °.
10. the helical deep hole annular groove knife according to any one of claim 1 to 9, it is characterised in that the diameter of the handle of a knife is big
In the diameter of the cutter head.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621024750.3U CN206065512U (en) | 2016-08-31 | 2016-08-31 | A kind of helical deep hole annular groove knife |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621024750.3U CN206065512U (en) | 2016-08-31 | 2016-08-31 | A kind of helical deep hole annular groove knife |
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CN206065512U true CN206065512U (en) | 2017-04-05 |
Family
ID=58435970
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CN201621024750.3U Active CN206065512U (en) | 2016-08-31 | 2016-08-31 | A kind of helical deep hole annular groove knife |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106216750A (en) * | 2016-08-31 | 2016-12-14 | 中国航天科技集团公司烽火机械厂 | A kind of helical deep hole annular groove cutter |
CN114042977A (en) * | 2021-11-19 | 2022-02-15 | 山西汾西重工有限责任公司 | Method for modifying groove cutter |
-
2016
- 2016-08-31 CN CN201621024750.3U patent/CN206065512U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106216750A (en) * | 2016-08-31 | 2016-12-14 | 中国航天科技集团公司烽火机械厂 | A kind of helical deep hole annular groove cutter |
CN114042977A (en) * | 2021-11-19 | 2022-02-15 | 山西汾西重工有限责任公司 | Method for modifying groove cutter |
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GR01 | Patent grant | ||
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CP03 | Change of name, title or address |
Address after: 611130 Changan Road, Liucheng, Wenjiang District, Chengdu, Sichuan Province, No. 198 Patentee after: Sichuan Aerospace beacon Servo Control Technology Co., Ltd. Address before: 611100 Liucheng Road, Wenjiang, Sichuan, No. Changan Road, No. 198 Patentee before: Fenghuo Machine Works of China Aerospace Science and Technology Corporation |