CN208147036U - The compound PCD reamer that VVT valve pocket concentric holes are disposably processed - Google Patents
The compound PCD reamer that VVT valve pocket concentric holes are disposably processed Download PDFInfo
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- CN208147036U CN208147036U CN201820742188.0U CN201820742188U CN208147036U CN 208147036 U CN208147036 U CN 208147036U CN 201820742188 U CN201820742188 U CN 201820742188U CN 208147036 U CN208147036 U CN 208147036U
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- Prior art keywords
- cylindrical body
- blade
- knife
- cutter hub
- blades
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 15
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 238000010276 construction Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000003754 machining Methods 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 4
- 239000004020 conductor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses the compound PCD reamers that VVT valve pocket concentric holes are disposably processed, including cutter hub and the blade being arranged on cutter hub, the cutter hub successively includes the first cylindrical body by knife tail to the end, second cylindrical body, third cylindrical body and the 4th cylindrical body, first cylindrical body, second cylindrical body, the outer diameter of third cylindrical body and the 4th cylindrical body is sequentially reduced, blade is provided with 6, including 2 symmetrically arranged first blades, 2 symmetrically arranged second blades and 2 symmetrically arranged third blades, the outer wall of the cutter hub is symmetrically arranged with 2 V-shaped grooves, the V-shaped groove runs through the second cylindrical body, third cylindrical body and the 4th cylindrical body, first blade, in one side wall of the second blade and third blade insertion V-shaped groove.The utility model solve the problems, such as existing processing method cause the precision of concentric holes not can guarantee, consistency it is poor, meanwhile, have the advantages that high in machining efficiency, improve 5-8 times compared to common PCD blade cutting tool service life.
Description
Technical field
The utility model relates to VVT valve pocket processing technique fields, and in particular to what VVT valve pocket concentric holes were disposably processed answers
Close PCD reamer.
Background technique
Variable Valve Timing Technique of IC Engine (VVT) is widely used in automotive engine applications at present, and VVT valve pocket 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 valve pocket inner hole, traditional processing are carried out using lathe turning mode.Lathe process inner hole and interior hole end surface efficiency compared with
It is low and be not easy to guarantee size, and lathe can be only done less processing content, is unable to complete whole processing, cannot achieve
The higher cost of the integrated processing of automation, and the precision of concentric holes not can guarantee, consistency is poor.
Utility model content
The purpose of this utility model is to provide the compound PCD reamers that VVT valve pocket concentric holes are disposably processed, and solve existing
Processing method causes the precision of concentric holes not can guarantee, the problem of consistency difference, meanwhile, have the advantages that high in machining efficiency.
The utility model is achieved through the following technical solutions：
The compound PCD reamer that VVT valve pocket concentric holes are disposably processed, including cutter hub and the blade being arranged on cutter hub, institute
It successively includes the first cylindrical body, the second cylindrical body, third cylindrical body and the 4th cylindrical body that cutter hub, which is stated, by knife tail to cutter head, and described
One cylindrical body, the second cylindrical body, third cylindrical body and the 4th cylindrical body outer diameter be sequentially reduced, the blade is provided with 6, packet
Include 2 symmetrically arranged first blades, 2 symmetrically arranged second blades and 2 symmetrically arranged third blades, the cutter hub
Outer wall be symmetrically arranged with 2 V-shaped grooves, the V-shaped groove runs through the second cylindrical body, third cylindrical body and the 4th cylindrical body, described
In one side wall of the first blade, the second blade and third blade insertion V-shaped groove, first blade is arranged at cutter head, institute
It states the second blade to be arranged on third cylindrical body, the third blade is arranged on the second cylindrical body.
Knife tail described in the utility model specifically refers to one end for connecting with process equipment, and the cutter head specifically refers to
The one end contacted at first with part (VVT valve pocket) in process, between first cylindrical body and the second cylindrical body, second circle
It is connected by a rotary table between cylinder and third cylindrical body, between third cylindrical body and the 4th cylindrical body, the V-shaped groove is specific
Refer to the slot axially estimated by knife tail end as v-shaped structure, it is described in the present invention.Concentric holes specifically refer to process
The center in each hole of VVT valve pocket in the axial direction of cutter hub, the concentric holes specifically refer to setting it is big in VVT valve sleeving inner wall,
Its internal diameter is greater than the central through hole of VVT valve pocket.
The utility model is by being provided with the first cylindrical body, the second cylindrical body, the third circle that outer diameter is sequentially reduced for cutter hub
Cylinder and the 4th cylindrical body are correspondingly arranged 3 groups of blades on conductor, and every group of blade is symmetrical set with the central axis of cutter hub, and 3 groups
Blade is simultaneously to 3 concentric holes of inwall processing of workpiece (VVT valve pocket), it is ensured that the precision and consistency of 3 concentric holes, meanwhile, 3
A concentric holes are processed simultaneously, are improved work efficiency.In this way, the utility model, which solves existing processing method, to be caused with one heart
The precision in hole not can guarantee, the problem of consistency difference, meanwhile, have the advantages that high in machining efficiency.
Further, the distance between 2 first blades are less than the distance between 2 second blades, 2 the second blades it
Between distance less than the distance between 2 third blades.
The size for 3 concentric holes processed is inconsistent.
Further, the first blade includes the first knife spine and first edge of a knife, and first knife spine includes curved sections and plane
Section, first edge of a knife are set as two-step structure, pass through the first arc surface mistake at each step of two-step structure
It crosses, the top of a side wall of the V-shaped groove is lower than the cutter head of cutter hub, contacts at the top of the curved sections and V-shaped groove side wall.
First knife spine specifically refers to the one end welded with cutter hub, and first edge of a knife is specifically referred to for processing VVT
One end of valve pocket, the two-step structure specifically refer to 2 step structures.
For the utility model by the way that the first knife spine to be set as including curved sections and planar section, curved sections can be by entire first
The stress of blade is decomposed, and is reduced the damage of the first blade in process, is improved the service life of the first blade.Together
When, pass through the first arc surface transition at each step of two-step structure, the first arc surface can be to workpiece concentric holes
Chamfering synchronizes processing, realizes concentric holes processing integrated with chamfering, further improves working efficiency.
Further, the second blade includes the second knife spine and second edge of a knife, and second knife spine is convex configuration, and described the
Two edges of a knife, one stepped construction, step are set as the first inclined surface, pass through second between first inclined surface and second edge of a knife
Arc surface transition.
One stepped construction specifically refers to a step, and the inclined surface and frustum cone structure cooperate.
The utility model by setting convex configuration for the second knife spine, convex configuration can by entire second blade by
Power is decomposed, and is reduced the damage of the second blade in process, is improved the service life of the second blade.Meanwhile second is round
Cambered surface is enough to synchronize processing to the chamfering of workpiece concentric holes, realizes concentric holes processing integrated with chamfering, further improves
Working efficiency
Further, third blade includes third knife spine and the third edge of a knife, and the third edge of a knife is a stepped construction, platform
Rank is set as the second inclined surface.
Second inclined surface and frustum cone structure cooperate.
Further, the axis of the cutter hub sets up central through hole.
The central through hole cools down PCD reamer for being passed through coolant liquid.
Further, cutter hub is made of alloy steel products, and the blade is made of diamond.
The alloy steel products use current material, and the diamond is prior art material.
The utility model compared with prior art, has the following advantages and benefits：
1, the utility model is by being provided with the first cylindrical body, the second cylindrical body, third that outer diameter is sequentially reduced for cutter hub
Cylindrical body and the 4th cylindrical body are correspondingly arranged 3 groups of blades on conductor, and every group of blade is symmetrical set with the central axis of cutter hub, and 3
Group blade is simultaneously to 3 concentric holes of inwall processing of workpiece (VVT valve pocket), it is ensured that the precision and consistency of 3 concentric holes, together
When, 3 concentric holes are processed simultaneously, are improved work efficiency, are improved 5-8 compared to common PCD blade cutting tool service life
Times.
2, the utility model can synchronize processing to the chamfering of workpiece concentric holes, realize that concentric holes are integrated with chamfering
Processing, further improves working efficiency.
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：
The structural schematic diagram one of the compound PCD reamer of Fig. 1；
The structural schematic diagram two of the compound PCD reamer of Fig. 2；
Fig. 3 is the structural schematic diagram of the first blade；
Fig. 4 is the structural schematic diagram of the second blade and third blade.
Label and corresponding parts title in attached drawing：
The first cylindrical body of 1-, the second cylindrical body of 2-, 3- third cylindrical body, the 4th cylindrical body of 4-, the first blade of 5-, 6- second
Blade, 7- third blade, 8-V shape slot, 9- central through hole, 51- planar section, 52- curved sections, first edge of a knife of 53-, the circle of 54- first
Cambered surface, the second knife spine of 61-, second edge of a knife of 62-, the second arc surface of 63-, the first inclined surface 64-, 71- third knife spine, 72- second
Inclined surface, the 73- third edge of a knife.
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, the compound PCD reamer that VVT valve pocket concentric holes are disposably processed, including cutter hub and setting are in knife
Blade on body, the cutter hub and blade are connected using welding manner, and the shape of blade is to process place's size with part to coincide,
The cutter hub successively includes the first cylindrical body 1, the second cylindrical body 2, third cylindrical body 3 and the 4th cylindrical body 4 by knife tail to cutter head,
First cylindrical body 1, the second cylindrical body 2, third cylindrical body 3 and the 4th cylindrical body 4 outer diameter be sequentially reduced, the blade is set
It is equipped with 6, including 2 symmetrically arranged symmetrically arranged thirds of second blade 6 and 2 of 5,2, symmetrically arranged first blade
Blade 7, the outer wall of the cutter hub are symmetrically arranged with 2 V-shaped grooves 8, and the V-shaped groove 8 runs through the second cylindrical body 2, third cylindrical body 3
With the 4th cylindrical body 4, first blade 5, the second blade 6 and third blade 7 are embedded in a side wall of V-shaped groove 8, and described the
One blade 5 is arranged at cutter head, and second blade 6 is arranged on third cylindrical body 3, and the third blade 7 is arranged second
On cylindrical body 2；The distance between 2 first blades 5 are less than the distance between 2 second blades 6, between 2 the second blades 6
Distance is 9.4mm, institute in the maximum width of cutter hub radially less than the distance between 2 third blades 7, first blade 5
It is 10.3mm, maximum width of the third blade 7 in cutter hub radially that the second blade 6, which is stated, in the maximum width of cutter hub radially
For 12.0mm；The cutter hub is made of alloy steel products, and the blade is made of diamond；In the axial direction of the cutter hub
Central through hole 9 is set, and the total length of the cutter hub is 110mm, and the length of first cylindrical body 1 is 40mm, the third circle
The overall length of cylinder 3 and the 4th cylindrical body 4 is 53mm.
Embodiment 2：
As shown in Figures 1 to 4, the present embodiment is based on embodiment 1, and first blade 5 includes the first knife spine and the first knife
Mouth 53, first knife spine includes curved sections 52 and planar section 51, and first edge of a knife 53 is set as two-step structure, second order
Pass through 54 transition of the first arc surface at each step of ladder type structure, the top of a side wall of the V-shaped groove 8 is lower than cutter hub
Cutter head, contact at the top of the curved sections 52 and 8 side wall of V-shaped groove；Second blade 6 includes the second knife spine 61 and the second knife
Mouthfuls 62, second knife spine 61 is convex configuration, second edge of a knife, 62 1 stepped construction, and step is set as the first inclined surface
64, pass through 63 transition of the second arc surface between first inclined surface 64 and second edge of a knife 62；The third blade 7 includes third
Knife spine 71 and the third edge of a knife 73, the third edge of a knife 73 are a stepped construction, and step is set as the second inclined surface 72.
In the present embodiment, first blade 5 includes concrete shape and the processing zero of the first knife spine and first edge of a knife 53
Part matching.
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 (7)
- The compound PCD reamer that 1.VVT valve pocket concentric holes are disposably processed, it is special including cutter hub and the blade being arranged on cutter hub Sign is that the cutter hub successively includes the first cylindrical body (1), the second cylindrical body (2), third cylindrical body (3) by knife tail to cutter head With the 4th cylindrical body (4), first cylindrical body (1), the second cylindrical body (2), third cylindrical body (3) and the 4th cylindrical body (4) Outer diameter be sequentially reduced, the blade is provided with 6, including 2 symmetrically arranged first blades (5), 2 symmetrically arranged Two blades (6) and 2 symmetrically arranged third blades (7), the outer wall of the cutter hub are symmetrically arranged with 2 V-shaped grooves (8), the V Shape slot (8) is through the second cylindrical body (2), third cylindrical body (3) and the 4th cylindrical body (4), first blade (5), the second knife In piece (6) and a side wall of third blade (7) insertion V-shaped groove (8), first blade (5) is arranged at cutter head, and described the Two blades (6) are arranged on third cylindrical body (3), and the third blade (7) is arranged on the second cylindrical body (2).
- 2. the compound PCD reamer that VVT valve pocket concentric holes according to claim 1 are disposably processed, which is characterized in that 2 The distance between less than 2 second blades (6) of the distance between first blade (5), the distance between 2 second blades (6) are small In the distance between 2 third blades (7).
- 3. the compound PCD reamer that VVT valve pocket concentric holes according to claim 1 are disposably processed, which is characterized in that described First blade (5) includes the first knife spine and first edge of a knife (53), and first knife spine includes curved sections (52) and planar section (51), First edge of a knife (53) is set as two-step structure, passes through the first arc surface at each step of two-step structure (54) transition, the top of a side wall of the V-shaped groove (8) are lower than the cutter head of cutter hub, the curved sections (52) and V-shaped groove (8) The top of side wall contacts.
- 4. the compound PCD reamer that VVT valve pocket concentric holes according to claim 1 are disposably processed, which is characterized in that described Second blade (6) include the second knife spine (61) and second edge of a knife (62), second knife spine (61) be convex configuration, described second (62) one stepped construction of the edge of a knife, step are set as the first inclined surface (64), first inclined surface (64) and second edge of a knife (62) pass through the second arc surface (63) transition between.
- 5. the compound PCD reamer that VVT valve pocket concentric holes according to claim 1 are disposably processed, which is characterized in that described Third blade (7) includes third knife spine (71) and the third edge of a knife (73), and the third edge of a knife (73) is a stepped construction, step It is set as the second inclined surface (72).
- 6. the compound PCD reamer that VVT valve pocket concentric holes according to any one of claims 1 to 5 are disposably processed, feature It is, the axis of the cutter hub sets up central through hole (9).
- 7. the compound PCD reamer that VVT valve pocket concentric holes according to any one of claims 1 to 5 are disposably processed, feature It is, the cutter hub is made of alloy steel products, and the blade is made of diamond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742188.0U CN208147036U (en) | 2018-05-18 | 2018-05-18 | The compound PCD reamer that VVT valve pocket concentric holes are disposably processed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742188.0U CN208147036U (en) | 2018-05-18 | 2018-05-18 | The compound PCD reamer that VVT valve pocket concentric holes are disposably processed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208147036U true CN208147036U (en) | 2018-11-27 |
Family
ID=64387867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820742188.0U Expired - Fee Related CN208147036U (en) | 2018-05-18 | 2018-05-18 | The compound PCD reamer that VVT valve pocket concentric holes are disposably processed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208147036U (en) |
-
2018
- 2018-05-18 CN CN201820742188.0U patent/CN208147036U/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: 20181127 |