CN205702576U - The processing of a kind of compressor of air conditioner cast iron materials is bored - Google Patents
The processing of a kind of compressor of air conditioner cast iron materials is bored Download PDFInfo
- Publication number
- CN205702576U CN205702576U CN201620248258.8U CN201620248258U CN205702576U CN 205702576 U CN205702576 U CN 205702576U CN 201620248258 U CN201620248258 U CN 201620248258U CN 205702576 U CN205702576 U CN 205702576U
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- Prior art keywords
- processing
- compressor
- air conditioner
- cast iron
- bored
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- 239000000463 material Substances 0.000 title claims abstract description 32
- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 27
- 238000005520 cutting process Methods 0.000 claims abstract description 52
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 description 5
- 238000003801 milling Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 102220528228 Calcium uptake protein 2, mitochondrial_K40D_mutation Human genes 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
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- Drilling Tools (AREA)
Abstract
The processing that the utility model discloses a kind of compressor of air conditioner cast iron materials is bored, including the shank and the head that are cylindrical-shaped structure, described head is coaxially connected with shank, described head has at least two chip area, the entity part forming described chip area on described head is the knife back, described chip area and described knife back intersection in the axial direction forms main cutting edge, described chip area and described knife back intersection in radial directions forms seamed edge, and described seamed edge is crossed to form point of a knife with described main cutting edge.The processing of compressor of air conditioner cast iron materials of the present utility model is bored, can efficiently solve the compressor of air conditioner cast iron materials inclined hole of prior art and feed location that the processing of imperfect inclined hole occurs is bad, hole is curved, Hole Wall Roughness is poor, the outlet manufacturing issue such as burr or gap, thus reach the precision machined technique effect of high-effect high-quality.
Description
Technical field
This utility model relates to precision processing technology field, refers in particular to the processing of a kind of compressor of air conditioner cast iron materials
Bore.
Background technology
Inclined hole and imperfect inclined hole in compressor of air conditioner manufacture field, to compressor of air conditioner cast iron materials
Process technology for, there are certain technological difficulties, particularly pole in inclined hole and imperfect inclined hole are processed
Easy occur that location is bad, hole wall is straight, Hole Wall Roughness is bad, export lacking in the manufacture such as burr or gap
Fall into, also result in part rejection time serious, need situation about again changing.
At present, in the process tool that the processing of compressor of air conditioner cast iron materials uses, hard alloy is mainly selected
The drill bit that material is made, hard alloy possesses the physical property of equilibrium, higher toughness and wearability, but
This drill bit still cannot overcome above-mentioned manufacturing defect.
Utility model content
This utility model purpose is that the processing providing a kind of compressor of air conditioner cast iron materials is bored, and solves existing skill
The feed location that the compressor of air conditioner cast iron materials inclined hole of art and the processing of imperfect inclined hole occur is bad, hole is curved,
Hole Wall Roughness is poor, the outlet manufacturing defect such as burr or gap.
Be given in order to achieve the above object, the technical solution of the utility model:
The processing of a kind of compressor of air conditioner cast iron materials is bored, including being shank and the head of cylindrical-shaped structure,
Described head is coaxially connected with shank, and described head has at least two chip area, and described head is formed institute
The entity part stating chip area is the knife back, and described chip area and described knife back intersection in the axial direction is formed
Main cutting edge, described chip area and described knife back intersection in radial directions forms seamed edge, described seamed edge with
Described main cutting edge be crossed to form point of a knife.
Alternatively, the narrow seamed edge described seamed edge formed after described point of a knife is obliquely installed described rear knife face exists
Width in the radial direction is 0.05mm to 0.1mm.During feed processing operation, reduce bias
Resistance；On the other hand, the width reducing former seamed edge lowers frictional force, improves heat-sinking capability and the operation of drill bit
Duration, extends the service life of drill bit further.
Alternatively, the angle of inclination of described rear knife face is 10 to 15 degree, improves the radial cut of drill bit further
Cut ability, it is to avoid the situation that duct bends occurs during drilling operation.
Alternatively, a length of 2mm to 3mm in the axial direction of described narrow seamed edge, allow drill bit and hole
Wall more contacts, thus reaches burnishing-in effect, is effectively reduced the Hole Wall Roughness of workpiece.
Alternatively, described chip area is provided with two, is conducive to improving the impulsive force of drill bit and hardness, allows operation
During inlet hole radial cutting more neat.
Alternatively, form the interior re-entrant angle of 170 degree to 180 degree between described main cutting edge, thus change tradition
Chisel edge first contacts the processing mode of workpiece, the traditional design of convex drift angle change interior re-entrant angle into, effectively support
The convex drift angle that disappears is designed into radial force when boring operation.Wherein, 170 degree are formed between described main cutting edge to 180
The interior re-entrant angle of degree preferably can be 175 degree, had the most both ensured the intensity of drill bit, and can keep again main cutting edge
Cutting edge sharpness, allows drill bit persistently keep rigidity and powerful cutting power, is conducive to strengthening the location of drill bit
Effect.
Alternatively, the angle that described point of a knife is formed is 85 degree to 90 degree, preferably 87.5 degree.This angle sets
Meter, close to the performance of milling cutter series products, makes cutting edge sharper.In actual use, allow cutting operation more
Easily, can feed trippingly, and efficiently reduce boring exit burr.
Alternatively, the processing of described compressor of air conditioner cast iron materials is bored and is made up of Hardmetal materials.Due to firmly
Higher hardness that matter alloy material is had and wearability, beneficially compressor of air conditioner cast iron materials add work
Industry.It is generally selected ISO K10 to the K30 trade mark, when hole is compared with deep or time system of processing rigidity is poor, preferably
The trade mark of the good toughness such as ISO K30 to K40D.
The processing of compressor of air conditioner cast iron materials disclosed in this utility model is bored and is had the advantages that
The processing of compressor of air conditioner cast iron materials disclosed in this utility model is bored can efficiently solve existing skill
The feed location that the compressor of air conditioner cast iron materials inclined hole of art and the processing of imperfect inclined hole occur is bad, hole is curved,
Hole Wall Roughness is poor, the outlet manufacturing issue such as burr or gap, thus it is precision machined to reach high-effect high-quality
Technique effect.
Further, the narrow seamed edge of 0.05mm-0.1mm can be taken into account the sharpness of cutter and ensure again wearability,
It is suitable for inclined hole and imperfect inclined hole processing site；Prominent cutting edge sharpness and wearability, both ensure that cutter
Cutting power, the cutting-tool's used life that improve again；
Further, interior re-entrant angle is that the main cutting edge of 175 degree can take into account tool strength, in turn ensure that cutting edge
Sharp, prominent intensity and cutting edge sharp, thus ensure that cutting edge rigidity and cutting power；Continue
And avoid positioning bad；
Further, the point of a knife of drill bit can be designed as 87.5 degree, and close to the design of milling cutter, its cutting edge is extremely
Sharp, thus can cutting workpiece trippingly, then feed brisk with reduce outlet burr；
Further, the narrow seamed edge of 0.05mm-0.1mm, on the one hand reduces bias resistance during feed
Power, on the other hand owing to decreasing the width of seamed edge, reduces frictional force, improves the heat-sinking capability of drill bit,
Extend the bulk life time of cutter；
Further, seamed edge is designed with the rear knife face that angle of inclination is 10 degree of-15 degree, makes seamed edge narrow,
Improve the radial cutting ability of drill bit；Avoid during drilling, occur that hole is curved；And its axial direction length
Contacting of raising and hole wall can be made for the narrow seamed edge of 2mm-3mm, reach the effect of burnishing-in, reduce hole wall
Roughness.
Accompanying drawing explanation
Fig. 1 is the front view of the processing brill of this utility model a kind of compressor of air conditioner cast iron materials；
Fig. 2 is the left view of the processing brill of the compressor of air conditioner cast iron materials shown in Fig. 1；
Fig. 3 is a kind of partial enlarged drawing that processing shown in Fig. 1 is bored；
Fig. 4 is that shown in Fig. 1, a kind of Local map included is bored in processing；
Fig. 5 is the another kind of partial enlarged drawing that processing shown in Fig. 1 is bored；
Fig. 6 is the schematic diagram of the main cutting edge angle that the processing shown in Fig. 1 is bored；
Fig. 7 is the schematic diagram of the point of a knife angle shown in Fig. 1.
Detailed description of the invention
The processing of accompanying drawings a kind of compressor of air conditioner cast iron materials of the present utility model is bored.
As it is shown in figure 1, this drill bit includes shank 1 and head 2, shank 1, head 2 be cylindric knot
Structure, head 2 is coaxially connected with shank 1.
As it is shown in figure 1, head 2 can have the chip area 3 that at least two spirals are arranged, and head 2
The entity part of upper formation chip area 3 can be as the knife back 4, and chip area 3 is with the knife back 4 in the axial direction
Intersection form main cutting edge 5, and the rib that chip area 3 is formed with the knife back 4 intersection in radial directions
Limit 6, seamed edge 6 is crossed to form point of a knife 7 with main cutting edge 5.Alternatively, near point of a knife 7 on seamed edge 6
Knife face 8 after being tiltedly installed with one.
Wherein, chip area 3 is preferably provided with two, is conducive to improving the impulsive force of drill bit and hardness, allows operation
During inlet hole radial cutting more neat.
Wherein, seamed edge 6 plays guide effect, and in operation process, the outside diameter that this seamed edge 6 is formed is i.e.
Diameter for boring.
As Fig. 2 is to shown in 3, and rear knife face 8 is positioned on described seamed edge 6 and near point of a knife 7, on seamed edge 6
The rear knife face 8 being obliquely installed, can be effectively improved the radial cutting force of cutter, alleviates the stress of point of a knife 7,
The workpiece radial force to drill bit when offsetting boring, it is to avoid the situation that duct bends occurs.
As shown in Figure 3, it is preferable that formed after point of a knife 7 is obliquely installed rear knife face 8 on seamed edge 6 is narrow
Seamed edge width in radial directions is 0.05mm to 0.1mm, the angle of inclination of rear knife face 8 be 10 to
15 degree.On the one hand, allow the process of feed processing operation time, eccentric resistance can be efficiently reduced, reduce friction
Power, improves heat-sinking capability and the operation time of drill bit, extends the service life of drill bit further.On the other hand,
Improve the radial cutting ability of drill bit, it is to avoid the situation that duct bends occurs during drilling operation.
As Fig. 4 is to shown in 5, and rear knife face 8 length in the axial direction is preferably 2-3mm, allow drill bit
More contact with hole wall, thus reach burnishing-in effect, be effectively reduced the Hole Wall Roughness of workpiece.
Make to optimize for improving the sharpness of drill bit, as shown in Figure 6, can be formed between two main cutting edges 5
Interior re-entrant angle, thus change conventional drill chisel edge and first contact the processing mode of workpiece, by the traditional design of convex drift angle
Change interior re-entrant angle into, effectively cancel out convex drift angle and be designed into radial force when boring operation.
On the other hand, the interior re-entrant angle formed between two main cutting edges 5 can be 170 to 180 degree, can be excellent
Elect 175 degree as, both ensured the intensity of drill bit, the cutting edge sharpness of main cutting edge 5 can be kept again, allow drill bit
Persistently keep rigidity and powerful cutting power, be conducive to strengthening the locating effect of drill bit.
As it is shown in fig. 7, the angle that described point of a knife 7 is formed is 85 to 90 degree, preferred version is 87.5 degree.
This angle design, close to the performance of milling cutter series products, makes cutting edge sharper.In actual use, allow and cut
Cut operation more easily, can feed trippingly, and efficiently reduce boring exit burr.
Preferably, drill bit of the present utility model is made up of Hardmetal materials.Owing to Hardmetal materials is had
The processing operation of some higher hardness and wearability, beneficially compressor of air conditioner cast iron materials.It is generally selected ISO
K10 to the K30 trade mark, when hole is compared with deep or time system of processing rigidity is poor, preferable ISO K30 to K40D
The trade mark Deng good toughness.
On the other hand, owing to drill bit of the present utility model belongs to efficient high-accuracy metal cutting tool, point of a knife and
Cutting edge is the sharpest, easily produces microcosmic chipping, affect cutter life on conventional equipment, therefore, and must
Must manufacture in the five axle contour rigid device of CNC cutter sharpener, and more than 100 times under magnifier environment,
Observe cutting edge state.Crucial size Control ensures the accuracy of manufacture by tolerance, including in main cutting edge 5
Re-entrant angle 185 ° ± 2 °, the angle of point of a knife 7 87.5 ° ± 1 °, width 0.05 to the 0.1mm of inclined seamed edges 81, slant edge
Length 2 to the 3mm etc. on limit 81.
Preferably, drill bit of the present utility model can also be by multiple auxiliary processes such as PVD coating, passivation
Means, improve the durability of drill bit.
Alternatively, the lower end of shank 1 can arrange a boss (figure does not shows) with axis for axle center,
The outer surface of this boss can be provided with screw thread, and correspondingly, the upper end of head 2 can arrange an inwall and carve
Having the pothole (figure does not shows) of thread groove, the thread groove of this pothole can be mutually twisted with the screw thread of this boss,
Such that it is able to the lower end realizing shank 1 easily is coaxially connected with the upper end of head 2.
During the processing of compressor of air conditioner cast iron materials disclosed in this utility model is bored, by described seamed edge updip
Rear knife face is tiltedly set, allows the sharpness of drill bit improve further, the anti-wear performance of drill bit can be kept again, favorably
Processing operation in inclined hole or imperfect inclined hole.During actual drilling, point of a knife is to contact workpiece at first,
Its working time is the longest, bears resistance maximum, adds many swords heavily highlighted by this rear knife face by point of a knife
Mouthful, its sharpness and wearability, both ensured the cutting power of drill bit, can improve again drill bit operation time and
In service life, efficiently solve compressor of air conditioner cast iron materials inclined hole and the processing of imperfect inclined hole of prior art
The feed location occurred is bad, hole is curved, Hole Wall Roughness is poor, the outlet manufacturing issue such as burr or gap, from
And reach the precision machined technique effect of high-effect high-quality.
Further, the narrow seamed edge of 0.05mm-0.1mm can be taken into account the sharpness of cutter and ensure again wearability,
It is suitable for inclined hole and imperfect inclined hole processing site；Prominent cutting edge sharpness and wearability, both ensure that cutter
Cutting power, the cutting-tool's used life that improve again；
Further, interior re-entrant angle is that the main cutting edge of 175 degree can take into account tool strength, in turn ensure that cutting edge
Sharp, prominent intensity and cutting edge sharp, thus ensure that cutting edge rigidity and cutting power；Continue
And avoid positioning bad；
Further, the point of a knife of drill bit can be designed as 87.5 degree, and close to the design of milling cutter, its cutting edge is extremely
Sharp, thus can cutting workpiece trippingly, then feed brisk with reduce outlet burr；
Further, the narrow seamed edge of 0.05mm-0.1mm, on the one hand reduces bias resistance during feed
Power, on the other hand owing to decreasing the width of seamed edge, reduces frictional force, improves the heat-sinking capability of drill bit,
Extend the bulk life time of cutter；
Further, seamed edge is designed with the rear knife face that angle of inclination is 10 degree of-15 degree, makes seamed edge narrow, carry
The radial cutting ability of high drill bit；Avoid during drilling, occur that hole is curved；And its axial direction is a length of
The narrow seamed edge of 2mm-3mm can make contacting of raising and hole wall, reaches the effect of burnishing-in, reduces the thick of hole wall
Rugosity.
The announcement of book and teaching according to the above description, this utility model those skilled in the art can also be right
Above-mentioned embodiment changes and revises.Therefore, this utility model is not limited to be disclosed above and describe
Detailed description of the invention, should also be as falling into power of the present utility model to modifications and changes more of the present utility model
In the protection domain that profit requires.Although additionally, this specification employs some specific terms, but these
Term merely for convenience of description, does not constitute any restriction to this utility model.
Claims (5)
1. the processing of a compressor of air conditioner cast iron materials is bored, it is characterized in that, including the shank and the head that are cylindrical-shaped structure, described head is coaxially connected with shank, described head has at least two chip area, the entity part forming described chip area on described head is the knife back, described chip area and described knife back intersection in the axial direction forms main cutting edge, described chip area and described knife back intersection in radial directions forms seamed edge, and described seamed edge is crossed to form point of a knife with described main cutting edge.
The processing of compressor of air conditioner cast iron materials the most according to claim 1 is bored, it is characterised in that described chip area is provided with two.
The processing of compressor of air conditioner cast iron materials the most according to claim 1 and 2 is bored, it is characterised in that form the interior re-entrant angle of 170 degree to 180 degree between described main cutting edge.
The processing of compressor of air conditioner cast iron materials the most according to claim 3 is bored, it is characterised in that the angle that described point of a knife is formed is 85 degree to 90 degree.
The processing of compressor of air conditioner cast iron materials the most according to claim 1 is bored, it is characterised in that described shank and described head are made by Hardmetal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620248258.8U CN205702576U (en) | 2016-03-28 | 2016-03-28 | The processing of a kind of compressor of air conditioner cast iron materials is bored |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620248258.8U CN205702576U (en) | 2016-03-28 | 2016-03-28 | The processing of a kind of compressor of air conditioner cast iron materials is bored |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205702576U true CN205702576U (en) | 2016-11-23 |
Family
ID=57311669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620248258.8U Expired - Fee Related CN205702576U (en) | 2016-03-28 | 2016-03-28 | The processing of a kind of compressor of air conditioner cast iron materials is bored |
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| Country | Link |
|---|---|
| CN (1) | CN205702576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814064A (en) * | 2016-12-23 | 2017-06-09 | 福建神采新材料科技有限公司 | A kind of cupromanganese drill bit that can test bamboo roller content range in bamboo |
| CN114700533A (en) * | 2022-03-29 | 2022-07-05 | 成都欧珀琅精密工具有限公司 | Special hole-making drill bit for composite material |
-
2016
- 2016-03-28 CN CN201620248258.8U patent/CN205702576U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106814064A (en) * | 2016-12-23 | 2017-06-09 | 福建神采新材料科技有限公司 | A kind of cupromanganese drill bit that can test bamboo roller content range in bamboo |
| CN114700533A (en) * | 2022-03-29 | 2022-07-05 | 成都欧珀琅精密工具有限公司 | Special hole-making drill bit for composite material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161123 |