CN208163057U - VVT rotor machining molding composite milling reamer - Google Patents
VVT rotor machining molding composite milling reamer Download PDFInfo
- Publication number
- CN208163057U CN208163057U CN201820741502.3U CN201820741502U CN208163057U CN 208163057 U CN208163057 U CN 208163057U CN 201820741502 U CN201820741502 U CN 201820741502U CN 208163057 U CN208163057 U CN 208163057U
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- China
- Prior art keywords
- blade
- knife
- edge
- spine
- planar section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000003754 machining Methods 0.000 title claims abstract description 17
- 238000003801 milling Methods 0.000 title claims abstract description 14
- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 238000000465 moulding Methods 0.000 title claims abstract description 12
- 230000007704 transition Effects 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 15
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The utility model discloses VVT rotor machining molding composite milling reamers, including cutter hub and blade, the cutter hub includes knife handle and knife bar, blade is arranged on knife bar, knife bar includes 4 steps, the outer wall of knife bar is symmetrically arranged with 2 L shape card slots, the L shape card slot runs through 4 steps, in one side wall of the blade insertion L shape card slot, the blade includes the first blade, second blade and third blade, first blade includes the first knife spine and first edge of a knife, first knife spine is convex configuration, second blade includes the second knife spine and second edge of a knife, second knife spine includes the first planar section, the two sides of first planar section are provided with first surface section and the second curved sections, third blade includes third knife spine and the third edge of a knife, the third knife spine includes the second planar section and third curved sections.The utility model solves the problems, such as to lead to the inner bore of step of VVT rotor by existing processing method that processing efficiency is low, while having the advantages that blade stability is good, service life is high.
Description
Technical field
The utility model relates to VVT rotor machining technical fields, and in particular to VVT rotor machining forms compound milling hinge
Knife.
Background technique
Variable Valve Timing Technique of IC Engine (VVT) is widely used in automotive engine applications at present, and VVT rotor is its group
At important component.Due to the demand that automobile increasingly increases, the high efficiency processing of part is extremely urgent, and automation processing also exists
Growing in strength gradually.
VVT rotor is provided with a composition type hole, and traditional processing uses more using lathe boring inner hole or in machining center
The mode that cutter is processed respectively carries out.Lathe process efficiency is higher, can process in completion in 3~5 seconds, but lathe can be only done compared with
Few processing content is unable to complete whole processing, realizes the higher cost of automation processing；Machining center can complete shell
The processing of all the elements, but process time is carried out in such a way that much knives tool is processed respectively at 25 seconds or so, elapsed time
More, efficiency is very low.
Hole machined mainly has following work step to process in current product high-precision step achieved above in machining center：Thick brill,
Reamer finish reams hole through-hole, right boring stepped hole.The above processing method is conventional method processing technology, and cutter use cost is high, and
And quality control is unstable.And machining period is long, and the lathe temporary time is high, so that production cost increases.
Utility model content
The purpose of this utility model is to provide VVT rotor machining molding composite milling reamers, solve existing processing method
The problem of leading to the inner bore of step of VVT rotor processing efficiency is low, while having the advantages that blade stability is good, service life is high.
The utility model is achieved through the following technical solutions：
VVT rotor machining molding composite milling reamer, including cutter hub and blade, the cutter hub include knife handle and knife bar, institute
It states blade to be arranged on knife bar, the outer diameter of the knife bar is by connecting one end with knife handle to the other end in the trend being gradually reduced, institute
Stating knife bar includes 4 steps, and the outer wall of the knife bar is symmetrically arranged with 2 L shape card slots, and the L shape card slot runs through 4 steps,
In one side wall of the blade insertion L shape card slot, the blade includes the first blade, the second blade and third blade, described
First blade includes the first knife spine and first edge of a knife, and first knife spine is convex configuration, and second blade includes the second knife
Back and second edge of a knife, second knife spine include the first planar section, and the two sides of first planar section are provided with first surface section
With the second curved sections, the third blade includes third knife spine and the third edge of a knife, the third knife spine include the second planar section and
The top of third blade is arranged in third curved sections, second planar section.
Preferably, interior flushing pipe is provided in the axial direction of cutter hub, the blade is welded on knife bar.
Knife handle described in the utility model specifically refers to one end for connecting with equipment, the L shape card slot specifically refer to by
The shape of cutter hub axially estimated, and 2 side walls of L shape card slot are hierarchic structure, first knife spine, the second knife spine and third
Knife spine specifically refers to the side contacted with cutter hub, and first edge of a knife, second edge of a knife and the third edge of a knife specifically refer to workpiece
The side of (VVT rotor) connection.
The setting of curved surface and convex configuration can decompose the stress of blade at work, still, since third blade is arranged
In the end of knife bar, in order to meet the stability of third blade, therefore, the second planar section is set by third knife spine and third is bent
Face section；The length of second blade is larger, in order to meet the stability of the second blade, therefore, sets the second knife spine to include
The two sides of one planar section, first planar section are provided with first surface section and the second curved sections
The utility model is provided with 3 blades, can work in-process realize the processing of accurate inner hole in the heart, can once process
Three inner bore of step, it is high in machining efficiency；Meanwhile the first knife spine is set convex configuration by the utility model, the second knife spine includes
First planar section, the two sides of first planar section are provided with first surface section and the second curved sections, the third knife spine include
The setting of second planar section and third curved sections, curved surface and convex configuration can decompose the stress of blade at work, reduce knife
The loss of piece effectively improves the stability and service life of blade.
Further, 4 steps are followed successively by first step, second step, third to the other end by connecting one end with knife handle
Step and the 4th step, first blade are arranged on first step, and second blade is arranged in second step and third
On step, the third blade is arranged on the 4th step.
Further, the curvature of the second curved sections is greater than first surface section, and second curved sections are arranged in the second knife
The lower part of piece.
Second curved sections are correspondingly arranged at the top of second step, and the first surface section is correspondingly arranged at third platform
The top of rank, since the outer diameter of second step is greater than third step, so the curvature of the second curved sections is set greater than the
One curved sections increase the curved face contact between the second knife spine and knife bar, can preferably decompose the second blade at work by
Power further protects the second blade, improves its service life.
Further, second edge of a knife is stepped construction.
The stepped construction is depending on internal via shape to be processed.
Further, the top of first edge of a knife and the first blade passes through the first arc surface arc transition, second edge of a knife
With the top of the second blade by the second arc surface arc transition, the top of the third edge of a knife and third blade is justified by third
Cambered surface arc transition.
First arc surface, the second arc surface and third arc surface can carry out chamfered to the inner hole processed,
It realizes inner hole processing integrated with chamfering, further improves working efficiency.
Further, cutter hub is made of hard alloy, and the blade is made of diamond.
The hard alloy, diamond are prior art material.
Overall structure cutter hub, is made of hard alloy, and rigidity is high, and processing is stablized；Cutter input cost is low, is suitable for producing
Product high-volume rapid processing.
The utility model compared with prior art, has the following advantages and benefits：
The utility model is provided with 3 blades, can work in-process realize the processing of accurate inner hole in the heart, can once process
Three inner bore of step, it is high in machining efficiency；Meanwhile the first knife spine is set convex configuration by the utility model, the second knife spine includes
First planar section, the two sides of first planar section are provided with first surface section and the second curved sections, the third knife spine include
The setting of second planar section and third curved sections, curved surface and convex configuration can decompose the stress of blade at work, reduce knife
The loss of piece effectively improves the stability and service life of blade.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the structural schematic diagram for forming composite milling reamer；
The structural schematic diagram of Fig. 2 blade.
Label and corresponding parts title in attached drawing：
1- knife handle, 2- knife bar, the first blade of 3-, the second blade of 4-, 5- third blade, 6-L shape card slot, the first knife spine of 31-,
First edge of a knife of 32-, the first arc surface of 33-, 41- first surface section, the first planar section of 42-, the second curved sections of 43-, the second knife of 44-
Mouthful, the second arc surface of 45-, the second planar section of 51-, 52- third curved sections, the 53- third edge of a knife, 54- third arc surface.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1：
As shown in Figure 1 and Figure 2, VVT rotor machining includes with molding composite milling reamer, including cutter hub and blade, the cutter hub
Knife handle 1 and knife bar 2, the blade are arranged on knife bar 2, and the outer diameter of the knife bar 2 is in by connecting one end to the other end with knife handle 1
The trend being gradually reduced, the knife bar 2 include 4 steps, and the outer wall of the knife bar 2 is symmetrically arranged with 2 L shape card slots 6, described
L shape card slot 6 runs through 4 steps, and in a side wall of blade insertion L shape card slot 6, the blade includes the first blade 3, the
Two blades 4 and third blade 5, first blade 3 include the first knife spine 31 and first edge of a knife 32, and first knife spine 31 is convex
Face structure, second blade 4 include the second knife spine and second edge of a knife 44, and second knife spine includes the first planar section 42, institute
The two sides for stating the first planar section 42 are provided with first surface section 41 and the second curved sections 43, and the third blade 5 includes third knife
Back and the third edge of a knife 53, the third knife spine include the second planar section 51 and third curved sections 52, and second planar section 51 is set
It sets on the top of third blade 5；4 steps by connect with knife handle 1 one end to the other end be followed successively by first step, second step,
Third step and the 4th step, first blade 3 are arranged on first step, and second blade 4 is arranged in second step
On third step, the third blade 5 is arranged on the 4th step；It is bent that the curvature of second curved sections 43 is greater than first
Face section 41, the lower part of the second blade 4 is arranged in second curved sections 43；Second edge of a knife 44 is stepped construction.
Embodiment 2：
As shown in Figure 1 and Figure 2, the present embodiment is based on embodiment 1, the top of first edge of a knife 32 and the first blade 3 is logical
Cross 33 arc transition of the first arc surface, the top of second edge of a knife 44 and the second blade 4 passes through 45 circular arc mistake of the second arc surface
It crosses, the top of the third edge of a knife 53 and third blade 5 passes through 54 arc transition of third arc surface；The cutter hub is closed using hard
Gold is made, and the blade is made of diamond.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (6)
1.VVT rotor machining molding composite milling reamer, including cutter hub and blade, which is characterized in that the cutter hub includes knife handle
(1) with knife bar (2), the blade setting is on knife bar (2), and the outer diameter of the knife bar (2) is by connecting one end with knife handle (1) to separately
One end is in the trend being gradually reduced, and the knife bar (2) includes 4 steps, and the outer wall of the knife bar (2) is symmetrically arranged with 2 L shapes
Card slot (6), the L shape card slot (6) run through 4 steps, and the blade is embedded in a side wall of L shape card slot (6), the blade
Including the first blade (3), the second blade (4) and third blade (5), first blade (3) includes the first knife spine (31) and the
One edge of a knife (32), first knife spine (31) are convex configuration, and second blade (4) includes the second knife spine and second edge of a knife
(44), second knife spine includes the first planar section (42), and the two sides of first planar section (42) are provided with first surface section
(41) and the second curved sections (43), the third blade (5) include third knife spine and the third edge of a knife (53), the third knife spine packet
Include the second planar section (51) and third curved sections (52), top of the second planar section (51) setting in third blade (5).
2. VVT rotor machining according to claim 1 molding composite milling reamer, which is characterized in that 4 steps by with knife
Handle (1) connects one end and is followed successively by first step, second step, third step and the 4th step, first blade to the other end
(3) it is arranged on first step, second blade (4) is arranged on second step and third step, the third blade (5)
It is arranged on the 4th step.
3. VVT rotor machining according to claim 2 molding composite milling reamer, which is characterized in that second curved surface
The curvature of section (43) is greater than first surface section (41), lower part of the second curved sections (43) setting in the second blade (4).
4. VVT rotor machining according to claim 2 molding composite milling reamer, which is characterized in that second edge of a knife
It (44) is stepped construction.
5. VVT rotor machining according to claim 1 molding composite milling reamer, which is characterized in that first edge of a knife
(32) pass through the first arc surface (33) arc transition, second edge of a knife (44) and the second blade with the top of the first blade (3)
(4) by the second arc surface (45) arc transition, the tops of the third edge of a knife (53) and third blade (5) passes through the at top
Three-arc face (54) arc transition.
6. VVT rotor machining according to any one of claims 1 to 5 molding composite milling reamer, which is characterized in that described
Cutter hub is made of hard alloy, and the blade is made of diamond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820741502.3U CN208163057U (en) | 2018-05-18 | 2018-05-18 | VVT rotor machining molding composite milling reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820741502.3U CN208163057U (en) | 2018-05-18 | 2018-05-18 | VVT rotor machining molding composite milling reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208163057U true CN208163057U (en) | 2018-11-30 |
Family
ID=64363796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820741502.3U Expired - Fee Related CN208163057U (en) | 2018-05-18 | 2018-05-18 | VVT rotor machining molding composite milling reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208163057U (en) |
-
2018
- 2018-05-18 CN CN201820741502.3U patent/CN208163057U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181130 |