CN209381139U - Compound tool - Google Patents
Compound tool Download PDFInfo
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- CN209381139U CN209381139U CN201821543900.0U CN201821543900U CN209381139U CN 209381139 U CN209381139 U CN 209381139U CN 201821543900 U CN201821543900 U CN 201821543900U CN 209381139 U CN209381139 U CN 209381139U
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- cutting
- section
- compound tool
- knife bar
- empty avoiding
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Abstract
The utility model provides compound tool, is related to process tool technical field.It is related to compound tool, including knife bar and the cutting portion connecting with described knife bar one end, the cutting portion and the knife bar have same rotation axis；The cutting portion has the cutting plane with mold face contact to be cut；The cutting portion also has the cutting fillet for reducing processing blind area, and the cutting fillet is between the cutting plane and the cutting portion head.Using the technical solution of the utility model, the cutting face that can be avoided existing ball knife is knife mark caused by point contact, process time needed for reduction cutting process.
Description
Technical field
The utility model relates to process tool technical fields, more particularly, to compound tool.
Background technique
Currently, with the development of economy, social progress, graphite jig is increasingly weighed in mobile phone heat-bending glass manufacturing
It wants.The quality of heat-bending glass determines that the key factor of graphite jig quality is processing stone with the quality tight association of graphite jig
The cutter with nothing left of black mold.
The cutter of finishing graphite mo(u)ld mold is mainly ball knife, nose knife now.Ball knife can make mode arc side processing more light
It is suitable, so that it is obtained lesser roughness；Nose knife can make mode plane brighter, so that it is obtained lesser roughness, while can
Step pitch is processed to increase, improves processing efficiency.Ball knife and nose knife has their own advantages in process and disadvantage, all Shortcomings
Feature.Generally will two kinds of cutters combine completion could complete finish.
Ball knife is point contact when processing non-sheer face, and single-contact stress is big (as shown in Figure 1), is easy to scratch mold generation
Knife mark, ball knife need lesser step pitch, and plane can be made to obtain preferable effect, extend process time, and cutter uses the longevity
Life is restricted, while generating the larger angle R at punch-pin and cavity plate mould edge, is needed to connect knife with nose knife and is carried out clear angle, is existed and is connect knife
The risk having some setbacks.And the arc chord angle of nose knife is small, handling ease abrasion, processing mode arc side needs half step distance, the effect that can have been obtained
Fruit extends process time.There is processing blind area when nose knife is processed, punch-pin is easy to produce protrusion in circular arc and face junction
(as shown in Figure 2), cavity plate generate cutter ring scratch in circular arc and face junction, and two above defect seriously affects the outer of hot bending product
It sees.
In consideration of it, being able to solve the above problem there is an urgent need to a kind of compound tool.
The information disclosed in the background technology section is intended only to deepen the reason to the general background technology of the utility model
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of compound tools, can solve nose knife again to improve the single-contact of ball knife
Blind zone problem is processed, processing efficiency is improved.
A kind of compound tool provided by the utility model, including knife bar and the cutting portion being connect with described knife bar one end, institute
Stating cutting portion and the knife bar has same rotation axis；
The cutting portion has the cutting plane with mold face contact to be cut；
The cutting portion also has the cutting fillet for reducing processing blind area, and it is flat that the cutting fillet is located at the cutting
Between face and the cutting portion head.
In a upper technical solution, further, rounding off is connected between the cutting plane and the cutting fillet.
In any of the above-described technical solution, further, neck is disposed between the knife bar and the cutting portion
Section and empty avoiding section；
Empty avoiding section one end connects the cutting portion, and the empty avoiding section other end connects the neck section；
Described neck section one end connects the empty avoiding section, and the neck section other end connects the knife bar.
In any of the above-described technical solution, further, the sectional dimension of the neck section is kept away from the knife bar to described
Size is gradually reduced between dead band.
In any of the above-described technical solution, further, the empty avoiding section is cross-section revolution structure.
In any of the above-described technical solution, further, the empty avoiding section is provided with the escape groove to fly out for chip；
The escape groove is provided with multiple；
Multiple escape groove are arranged along the outer wall spiral spacer of the empty avoiding section.
In any of the above-described technical solution, further, each escape groove is by the cutting plane described in
Side extends where knife bar.
In any of the above-described technical solution, further, each escape groove all has chip inlet and chip outlet,
Each chip inlet is connected to the cutting fillet.
In any of the above-described technical solution, further, the radius size of the cutting fillet is greater than 0.2mm.
In any of the above-described technical solution, further, the radius size of the cutting fillet is greater than 0.5mm.
In any of the above-described technical solution, further, the length of the empty avoiding section can carry out not according to actual needs
With the setting of size.
In any of the above-described technical solution, further, the sectional dimension of the empty avoiding section can be with the phase of existing ball knife
Answer the sectional dimension of section identical；Alternatively, the sectional dimension of the empty avoiding section can more existing ball knife correspondent section sectional dimension
Become larger.
In any of the above-described technical solution, further, the section outer contour of the neck section and cutting for the knife bar
Shape has angle between the outer contour of face, and the angular range of the angle is 15 ° -20 °.
The beneficial effects of the utility model are as follows:
It is described to cut including knife bar and the cutting portion being connect with described knife bar one end using the compound tool of the utility model
Cutting portion and the knife bar has same rotation axis；The cutting portion has the cutting plane with mold face contact to be cut, with
Improve the cutting feed amount on ball knife surface；The cutting portion also has the cutting fillet for reducing processing blind area, the cutting
Fillet is between the cutting plane and the cutting portion head；Using the cutter of the technical program, with cutting for existing ball knife
Bevel compares, and the cutting face of this programme is set as cutting plane, flat due to cutting in application this cutter progress mode cutting
The mode that face is in contact with mode is face contact, is capable of the cutting in forming face domain in the same time, the point domain of more existing ball knife
The cutting speed of cutting is higher, and is also avoided that occur knife mark during the cutting process；In addition, in cutting plane and cutting size
Cutting fillet is additionally provided between portion, the size of the cutting fillet in this programme is greater than the size of the cutting fillet of existing nose knife,
So as to reduce the size of the processing blind area generated in cutting process, any surface finish of graphite jig after processing is further promoted
Degree.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic view of the front view one of compound tool provided by the embodiment of the utility model；
Fig. 2 is the schematic view of the front view two of compound tool provided by the embodiment of the utility model.
Appended drawing reference:
100- compound tool；
101- knife bar；102- cutting portion；103- empty avoiding section；104- neck section；
The cutting plane 1021-；1022- cuts fillet；
1031- escape groove.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
The technical solution of the compound tool of the present embodiment is described in detail below with reference to Fig. 1 and Fig. 2.
Embodiment
The specific embodiment of the present embodiment is as follows:
It as shown in Figure 1 or 2, is the schematic view of the front view of compound tool 100 provided in this embodiment；Specifically, this
The compound tool 100 that embodiment provides, including knife bar 101 and the cutting portion 102 connect with 101 one end of knife bar, cutting portion 102 and
Knife bar 101 has same rotation axis；Cutting portion 102 has the cutting plane 1021 with mold face contact to be cut, to improve
The cutting feed amount on ball knife surface；Cutting portion 102 also has the cutting fillet 1022 for reducing processing blind area, cuts fillet
1022 between 102 head of cutting plane 1021 and cutting portion.
It should be noted that improving the point contact side of ball knife cutting surface using the compound tool 100 of the present embodiment
The cutting surface of this cutter is set cutting plane 1021 by formula, meanwhile, cutting circle angle is set also outside cutting plane 1021
1022, the size of cutting fillet 1022 is greater than the cutting fillet 1022 of existing ball knife, and it is caused by cutting convex further to improve fillet
It rises, i.e. reduction fillet bump sizes caused by cutting, improves processing finish.
The optional technical solution of the present embodiment is that rounding off connects between cutting plane 1021 and cutting fillet 1022.
The optional technical solution of the present embodiment be disposed between knife bar 101 and cutting portion 102 neck section 104 and
Empty avoiding section 103；103 one end of empty avoiding section connects cutting portion 102,103 other end connecting neck portion section 104 of empty avoiding section；Neck section 104 1
End connection empty avoiding section 103,104 other end of neck section connect knife bar 101.
It should be pointed out that there are ladders for the sectional dimension of empty avoiding section 103 in compound tool 100 provided in this embodiment
Variation, it is larger in the partial cross section size of nearly cutting portion 102, it is smaller in the partial cross section size of nearly neck section 104, it is two-part
Size differs smaller, generally 0.05mm.
The optional technical solution of the present embodiment is that the sectional dimension of neck section 104 is from knife bar 101 between empty avoiding section 103
Size is gradually reduced, and is connected with being formed with two sides knife bar 101, cutting portion 102.
The optional technical solution of the present embodiment is that empty avoiding section 103 is cross-section revolution structure.
Preferably, the knife bar 101 of the compound tool 100 of the present embodiment, empty avoiding section 103 are all made of cylindrical structure.
The optional technical solution of the present embodiment is that empty avoiding section 103 is provided with the escape groove 1031 to fly out for chip；Evacuation
Slot 1031 is provided with multiple；Multiple escape groove 1031 are arranged along the outer wall spiral spacer of empty avoiding section 103.
The optional technical solution of the present embodiment is, each escape groove 1031 is by cutting plane 1021 towards 101 institute of knife bar
Extend in side.
The optional technical solution of the present embodiment is that each escape groove 1031 all has chip inlet and chip outlet, each
Chip inlet is connected to cutting fillet 1022.
The optional technical solution of the present embodiment is that the radius size of cutting fillet 1022 is greater than 0.2mm；Preferably, it cuts
The radius size of fillet 1022 is greater than 0.5mm.
The optional technical solution of the present embodiment is that the length of empty avoiding section 103 can carry out different sizes according to actual needs
Setting.
The optional technical solution of the present embodiment is that the sectional dimension of empty avoiding section 103 can be with the correspondent section of existing ball knife
Sectional dimension is identical；Alternatively, the sectional dimension of empty avoiding section 103 can the sectional dimension of correspondent section of more existing ball knife become larger.
The optional technical solution of the present embodiment is the section outer contour of neck section 104 and the section outer profile of knife bar 101
Shape has angle between line, and the angular range of the angle is 15 ° -20 °.
Using the compound tool 100 of the present embodiment, including knife bar 101 and the cutting portion 102 being connect with 101 one end of knife bar,
Cutting portion 102 and knife bar 101 have same rotation axis；Cutting portion 102 has the cutting plane with mold face contact to be cut
1021, to improve the cutting feed amount on ball knife surface；Cutting portion 102 also has the cutting fillet for reducing processing blind area
1022, cutting fillet 1022 is located between 102 head of cutting plane 1021 and cutting portion；Using the cutter of the technical program, with
The cutting face of existing ball knife compares, and the cutting face of this programme is set as cutting plane 1021, and in application, this cutter carries out mode
When cutting, the mode being in contact with mode due to cutting plane 1021 is face contact, being capable of forming face domain in the same time
The cutting speed of cutting, the point domain cutting of more existing ball knife is higher, and is also avoided that occur knife mark during the cutting process；Separately
Outside, cutting fillet 1022, the cutting fillet in this programme are additionally provided between 102 head of cutting plane 1021 and cutting portion
1022 size is greater than the size of the cutting fillet 1022 of existing nose knife, blind so as to reduce the processing generated in cutting process
The size in area further promotes the surface smoothness of graphite jig after processing.
Specifically, using the compound tool 100 of the present embodiment, as shown in Figure 1, the cutter is the one of which of the present embodiment
The length of situation, empty avoiding section 103 is 7mm, and the cutting portion 102 that wherein escape groove 1031 is related to is along the length of empty avoiding section 103
3mm is arranged cutting plane 1021 in the front end of empty avoiding section 103, is cutting in addition, the diameter of section of empty avoiding section 103 is 0.95mm
Setting cutting fillet 1022 between 102 head of plane 1021 and cutting portion, the cutting fillet 1022 in Fig. 1 preferably use radius for
The size of 0.35mm, machining accuracy are positive and negative 0.01mm, wherein one 15 ° of angle is formed between neck section 104 and knife bar 101,
Further, the sectional dimension of cutting portion 102 is set to the size of diameter 1mm, machining accuracy is 0 to+0.015, we
The cutter of case is that alloy knife stick forms rear knife edge essence steel stone coating；When being cut, is controlled and cut using UG area milling method
Walk is away from cutting step-length tolerance is 0.001MM；Machining accuracy tolerance is 0.001MM；Cutting maximum step-length is 0.2MM；Cutting rotational speeds
For 22000rpm；Cutting feed speed is 3500mmpm；Working (finishing) area is 14736MM2；Feed engagement is 0.04mm；Half essence
Knife machining allowance is 0.025MM；Graphite nodule knife is combined with nose knife, can have the advantages of the two, in mode plane and cambered surface
In processing, surface effect can be improved, reduce mode roughness.The step pitch that simultaneously mode can be processed increases, so as to shorten adding
Between working hour, improve efficiency.
Specifically, using the compound tool 100 of the present embodiment, as shown in Fig. 2, the cutter is another of the present embodiment
The length of situation, empty avoiding section 103 is 8mm, and the cutting portion 102 that wherein escape groove 1031 is related to is along the length of empty avoiding section 103
3mm is arranged cutting plane 1021 in the front end of empty avoiding section 103, is cutting in addition, the diameter of section of empty avoiding section 103 is 1.95mm
Setting cutting fillet 1022 between 102 head of plane 1021 and cutting portion, the cutting fillet 1022 in Fig. 2 preferably use radius for
The size of 0.85mm, machining accuracy are positive and negative 0.01mm, wherein one 15 ° of angle is formed between neck section 104 and knife bar 101,
Further, the sectional dimension of cutting portion 102 is set to the size of diameter 2mm, machining accuracy is 0 to+0.015, we
The cutter of case is that alloy knife stick forms rear knife edge essence steel stone coating；When being cut, is controlled and cut using UG area milling method
Walk is away from cutting step-length tolerance is 0.001mm；Machining accuracy tolerance is 0.001mm；Cutting maximum step-length is 0.15mm；Cutting turns
Speed is 20000rpm；Cutting feed speed is 3500mmpm；Feed engagement is 0.0759mm；Partly smart knife machining allowance is
0.025mm；Graphite nodule knife is combined with nose knife, can have the advantages of the two, in mode plane and curved face processing, can be improved
Surface effect reduces mode roughness, while the step pitch that can process mode increases, and so as to shorten process time, improves effect
Rate.
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.
Claims (10)
1. a kind of compound tool (100), which is characterized in that cut including knife bar (101) and with what the knife bar (101) one end was connect
It cuts portion (102), the cutting portion (102) and the knife bar (101) have same rotation axis；
The cutting portion (102) has the cutting plane (1021) with mold face contact to be cut；
The cutting portion (102) also has the cutting fillet (1022) for reducing processing blind area, the cutting fillet (1022)
Between the cutting plane (1021) and the cutting portion (102) head.
2. compound tool (100) according to claim 1, which is characterized in that the cutting plane (1021) is cut with described
Rounding off connects between cavetto (1022).
3. compound tool (100) according to claim 1, which is characterized in that the knife bar (101) and the cutting portion
(102) neck section (104) and empty avoiding section (103) are disposed between；
Described empty avoiding section (103) one end connects the cutting portion (102), and empty avoiding section (103) other end connects the neck
Section (104)；
Described neck section (104) one end connects the empty avoiding section (103), and neck section (104) other end connects the knife bar
(101)。
4. compound tool (100) according to claim 3, which is characterized in that the sectional dimension of the neck section (104) by
Size is gradually reduced between knife bar (101) the Xiang Suoshu empty avoiding section (103).
5. compound tool (100) according to claim 3, which is characterized in that the empty avoiding section (103) is cross-section convolution
Body structure.
6. compound tool (100) according to claim 3, which is characterized in that the empty avoiding section (103) is provided with for cutting
Consider the escape groove (1031) to fly out to be worth doing；
The escape groove (1031) is provided with multiple；
Multiple escape groove (1031) are arranged along the outer wall spiral spacer of the empty avoiding section (103).
7. compound tool (100) according to claim 6, which is characterized in that each escape groove (1031) is by institute
Cutting plane (1021) is stated to extend towards side where the knife bar (101).
8. compound tool (100) according to claim 6, which is characterized in that each escape groove (1031) all has
Chip inlet and chip outlet, each chip inlet are connected to the cutting plane (1021).
9. compound tool (100) according to claim 1, which is characterized in that the radius ruler of cutting fillet (1022)
It is very little to be greater than 0.2mm.
10. compound tool (100) according to claim 1, which is characterized in that the radius ruler of cutting fillet (1022)
It is very little to be greater than 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821543900.0U CN209381139U (en) | 2018-09-20 | 2018-09-20 | Compound tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821543900.0U CN209381139U (en) | 2018-09-20 | 2018-09-20 | Compound tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209381139U true CN209381139U (en) | 2019-09-13 |
Family
ID=67869897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821543900.0U Active CN209381139U (en) | 2018-09-20 | 2018-09-20 | Compound tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209381139U (en) |
-
2018
- 2018-09-20 CN CN201821543900.0U patent/CN209381139U/en active Active
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