CN207372426U - A kind of low noise trims machine knife blade - Google Patents
A kind of low noise trims machine knife blade Download PDFInfo
- Publication number
- CN207372426U CN207372426U CN201721499583.2U CN201721499583U CN207372426U CN 207372426 U CN207372426 U CN 207372426U CN 201721499583 U CN201721499583 U CN 201721499583U CN 207372426 U CN207372426 U CN 207372426U
- Authority
- CN
- China
- Prior art keywords
- fine crack
- knife body
- knife
- trims
- circumferential surface
- 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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Abstract
The utility model discloses a kind of low noises to trim machine knife blade, it includes the knife body of disc-shaped, cutting teeth on knife body circumferential surface, the second fine crack through described two end faces of knife body is offered on the knife body, second fine crack have it is multiple and be uniformly distributed on the circumferential surface of the knife body, the knife body part that every second fine crack carves formation is in the triaene of divergent shape, the end of every second fine crack is connected with penetrating through the aperture of knife body, second fine crack of two symmetrical settings forms a second fine crack group, the line of symmetry of second fine crack group passes through the center of circle of knife body end face.The utility model carves the knife body part of formation in the triaene of divergent shape by the second fine crack and every second fine crack that perforation knife body end face is offered on knife body, blade can effectively be avoided to form resonance, the generation so as to reduce noise in operating process, and then prevent influence of noise to operating personnel.
Description
Technical field
The utility model is related to a kind of low noises to trim machine knife blade.
Background technology
Circular knife, i.e. circular shear blade.Outer formation toroidal, general circular knife are applied on mechanical equipment, mainly cut,
The machining functions such as deburring.Circular knife usually all has interstitial hole, it is therefore an objective to it can be made to be fixed on mechanical equipment, so as to reach
Cutting function.It is dentation wherein also to have a lot of circular blade edges（Flat tooth, pointed tooth, irregular dentation）, the edge of a knife put the first edge on a knife or a pair of scissors have it is two-sided,
Single side does not put the first edge on a knife or a pair of scissors three kinds.Traditional circular knife in use, is susceptible to crack at the axis hole of circular knife, causes blade
It scraps, reduces the service life of blade, meanwhile, traditional blade is difficult the ring convex that the surface of workpiece is processed into arc surfaced
Block, i.e., enabled processing, process is also quite cumbersome；Also one kind is that bloop is set in insert end faces, but bloop
Processing is also extremely cumbersome.
The content of the invention
It is simple and convenient that the purpose of this utility model is to provide a kind of processing, and the trimming machine knife blade of excellent noise reduction effect.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of low noise trims machine knife blade, including circle
The knife body of sheet, the cutting teeth on knife body circumferential surface are offered on the knife body through described two ends of knife body
First fine crack and the second fine crack in face；
First fine crack have it is multiple and be uniformly distributed on the circumferential surface of the knife body, one end of first fine crack position
Between the two neighboring cutting teeth, the other end of first fine crack is connected with penetrating through the aperture of the knife body circumferential surface；
Second fine crack has multiple and is uniformly distributed and on the circumferential surface of the knife body, every second fine crack is carved
The knife body part of formation is in the triaene of divergent shape, and the end of every second fine crack is connected with penetrating through the aperture of knife body,
Second fine crack of two symmetrical settings forms a second fine crack group, and the line of symmetry of the second fine crack group is by knife body end face
The center of circle.
Preferably, the triaene is made of three branches, the angle number of degrees that adjacent Liang Gen branches are formed for 45 °-
70°。
Preferably, the second fine crack group has multiple and circular array to be distributed on knife body circumferential surface.
Preferably, first fine crack extends curved.
Preferably, first fine crack includes S-shaped extended segment and heart-shaped extended segment, and the end of the S-shaped extended segment is located at
Between the two neighboring cutting teeth, the other end is connected with one end of heart-shaped extended segment, the other end of the heart extended segment
Portion is connected with aperture.
Preferably, noise reduction sponge is filled in the aperture.
Since above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：The utility model
By offered on knife body perforation knife body end face and one end be arranged on cutting teeth between the first fine crack and perforation knife body
Second fine crack of end face, the knife body part that every second fine crack carves formation are in the triaene of divergent shape, can be effective
Blade is avoided to form resonance, the generation so as to reduce noise in operating process, and then prevents influence of noise to operating personnel.
Description of the drawings
Attached drawing 1 is the structure diagram of the utility model.
Specific embodiment
Shown example is further described the utility model below in conjunction with the accompanying drawings.
As shown in Figure 1, trimming machine knife blade includes knife body 1, the cutting teeth 2 on 1 circumferential surface of knife body of disc-shaped, institute
State the first fine crack and the second fine crack 6 offered on knife body 1 through described 1 two end faces of knife body.
First fine crack have it is multiple and be uniformly distributed on the circumferential surface of the knife body 1, one end of first fine crack
Between the two neighboring cutting teeth 2, the other end of first fine crack and the aperture 5 for penetrating through 1 circumferential surface of knife body
It is connected.First fine crack extends curved.First fine crack includes S-shaped extended segment 3 and heart-shaped extended segment 4, the S-shaped
Between the two neighboring cutting teeth 2, the other end is connected with one end of heart-shaped extended segment 4, described for the end of extended segment 3
The other end of heart-shaped extended segment 4 is connected with aperture 5.The first fine crack width is 0.5-2mm, and the width of S-shaped extended segment 3
More than the width of heart-shaped extended segment 4.
Second fine crack 6 have it is multiple and be uniformly distributed on the circumferential surface of the knife body 1, every second fine crack 6
The triaene that 1 part of knife body formed is in divergent shape is carved, the end of every second fine crack 6 is small with perforation knife body 1
Hole 5 is connected, and the second fine crack 6 of two symmetrical settings forms 6 groups of second fine crack, and the line of symmetry of the second 6 groups of fine crack passes through
The center of circle of 1 end face of knife body.The triaene is made of three branches, the angle number of degrees that adjacent Liang Gen branches are formed for 45 °-
70°.Second 6 groups of fine crack has multiple and circular array to be distributed on 1 circumferential surface of knife body.Most preferably 36 groups of the second fine cracks.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, can not the scope of protection of the utility model be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it
It is interior.
Claims (6)
1. a kind of low noise trims machine knife blade, the knife body including disc-shaped, the cutting teeth on knife body circumferential surface, feature
It is：The first fine crack and the second fine crack through described two end faces of knife body are offered on the knife body；
First fine crack has multiple and is uniformly distributed and on the circumferential surface of the knife body, one end of first fine crack is located at phase
Between adjacent two cutting teeths, the other end of first fine crack is connected with penetrating through the aperture of the knife body circumferential surface；
Second fine crack has multiple and is uniformly distributed and on the circumferential surface of the knife body, every second fine crack carves to be formed
Knife body part be in divergent shape triaene, the end of every second fine crack is connected with penetrating through the aperture of knife body, two
Second fine crack of symmetrical setting forms a second fine crack group, and the line of symmetry of the second fine crack group passes through the circle of knife body end face
The heart.
2. low noise according to claim 1 trims machine knife blade, it is characterised in that：The triaene is made of three branches,
The angle number of degrees that adjacent Liang Gen branches are formed are 45 ° -70 °.
3. low noise according to claim 1 trims machine knife blade, it is characterised in that：Second fine crack group has multiple and battle array in a ring
Column distribution is on knife body circumferential surface.
4. low noise according to claim 1 trims machine knife blade, it is characterised in that：First fine crack extends curved.
5. low noise according to claim 4 trims machine knife blade, it is characterised in that：First fine crack includes S-shaped extended segment
With heart-shaped extended segment, between the two neighboring cutting teeth, the other end extends with heart-shaped for the end of the S-shaped extended segment
One end connection of section, the other end of the heart extended segment are connected with aperture.
6. low noise according to claim 1 trims machine knife blade, it is characterised in that：Noise reduction sponge is filled in the aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499583.2U CN207372426U (en) | 2017-11-12 | 2017-11-12 | A kind of low noise trims machine knife blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499583.2U CN207372426U (en) | 2017-11-12 | 2017-11-12 | A kind of low noise trims machine knife blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207372426U true CN207372426U (en) | 2018-05-18 |
Family
ID=62332469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721499583.2U Expired - Fee Related CN207372426U (en) | 2017-11-12 | 2017-11-12 | A kind of low noise trims machine knife blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207372426U (en) |
-
2017
- 2017-11-12 CN CN201721499583.2U patent/CN207372426U/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: 20180518 Termination date: 20201112 |