CN207057689U - A kind of alloy cutter head for being easy to welding - Google Patents
A kind of alloy cutter head for being easy to welding Download PDFInfo
- Publication number
- CN207057689U CN207057689U CN201720909712.4U CN201720909712U CN207057689U CN 207057689 U CN207057689 U CN 207057689U CN 201720909712 U CN201720909712 U CN 201720909712U CN 207057689 U CN207057689 U CN 207057689U
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- cutter head
- alloy cutter
- welding
- connecting portion
- cutting blades
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Abstract
It the utility model is related to a kind of alloy cutter head for being easy to welding, it mainly solves existing alloy cutter head in welding, standing groove outflow on welding rod liquation The book of Changes drilling rod, causes the rosin joint of alloy cutter head, influences the technical problems such as service life and the performance of alloy bit.It is characterized in that being respectively equipped with outer arcuate connecting portion between two adjacent cutting blades, the outer arcuate connecting portion makes two adjacent cutting blades be connected as a single entity and is structure as a whole with body.The beneficial effects of the utility model are by setting outer arc connecting portion between two adjacent cutting blades, thus remove to fill the redundant space in the standing groove of drilling rod using outer arc connecting portion, reduce the flowing space of welding rod liquation；Thus, in welding alloy cutter head, welding rod liquation is influenceed to fix with placing the cutting blade completion welding of cell wall and alloy cutter head by outer arc connecting portion, so as to which the firmness of welding be effectively ensured, is effectively avoided rosin joint and is improved the mechanical performance of the service life of alloy cutter head.
Description
Technical field
A kind of cutting tool of hardware ＆ tools is the utility model is related to, it is more particularly to a kind of to be easy to what is welded
Alloy cutter head, it is mainly used in the fields such as hardware drill bit.
Background technology
Existing alloy bit is mainly made up of drilling rod and alloy cutter head, in order to improve the cutting ability of drill bit and using the longevity
Life, alloy cutter head needs to be welded on the end of drilling rod, so when drill bit at work, alloy cutter head can be quickly on working face
Carry out cutting operation.Existing drill bit needs first to mill out the mounting groove of alloy cutter head in the end of drilling rod in production, and in order to just
In assembling, mounting groove typically will be wider than the width of alloy cutter head.And alloy cutter head is broadly divided into in-line, triangle, ten
Font or X fonts etc., due to being between two adjacent cutting blades of existing triangle, cross or X font alloy cutter heads
Acute angle or right angle, so when alloy cutter head is placed in the mounting groove of drilling rod, what the width of mounting groove will be relative is more than alloy
Cutter head, although being easy to the placement of alloy cutter head, in welding, welding rod liquation can also flow out along mounting groove, more large-sized
The outflow of alloy cutter head welding rod liquation is more serious, can so cause the rosin joint of alloy cutter head and drilling rod, influence the use of alloy bit
Life-span and performance.
Utility model content
In order to solve existing alloy cutter head in welding, the standing groove outflow on welding rod liquation The book of Changes drilling rod, cause to close
The rosin joint of golden cutter head, influences the technical problems such as service life and the performance of alloy bit, and the utility model provides one kind just
In the alloy cutter head of welding, by the alloy cutter head, not only can effectively solve alloy cutter head outflow of liquation in welding and cause
Problem of faulty soldering；Meanwhile the working strength of alloy cutter head can be also effectively improved, effectively avoid the cutting blade of alloy cutter head from occurring to break
Split, so as to extend the service life of alloy cutter head.
To solve above technical problem, the utility model adopts the technical scheme that one kind is easy to welding alloy cutter head, wraps
Body has been included, two or more cutting blade is evenly distributed with the surrounding of body, has been respectively equipped between two adjacent cutting blades outer
Arc connecting portion, the outer arcuate connecting portion make two adjacent cutting blades be connected as a single entity and are structure as a whole with body.
Further, the radian of described outer arc connecting portion is a quarter of cutting blade circular rotating track diameter.
Further, it is respectively equipped with arc angling at the both ends of described outer arc connecting portion and cutting blade junction.
Further, equally distributed three cutting blades are surrounded by described body.
Further, equally distributed four cutting blades are surrounded by described body, wherein two relative cutting blades
Arc convex is provided with, the summit of the arc convex is the center of body.
The beneficial effects of the utility model are by setting outer arc connecting portion between two adjacent cutting blades, thus may be used
Remove to fill the redundant space in the standing groove of drilling rod using outer arc connecting portion, reduce the flowing space of welding rod liquation；Thus,
During welding alloy cutter head, welding rod liquation is influenceed to complete with placing the cutting blade of cell wall and alloy cutter head by outer arc connecting portion
Welding is fixed, and so as to which the firmness of welding be effectively ensured, is effectively avoided rosin joint and is improved the machine of the service life of alloy cutter head
Tool performance.
Brief description of the drawings
Fig. 1 is a kind of main structure figure for the alloy cutter head for being easy to weld of the utility model embodiment
Fig. 2 is a kind of three-dimensional structure diagram for the alloy cutter head for being easy to weld of the utility model embodiment
Embodiment
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown in Figure 1-2, the utility model is that one kind is easy to welding alloy cutter head, includes body 1, the four of body 1
It is evenly distributed with two or more cutting blade 2 week, is respectively equipped with outer arcuate connecting portion 3 between two adjacent cutting blades 2, the outer arc
Shape connecting portion 3 makes two adjacent cutting blades 2 be connected as a single entity and is structure as a whole with body 1；By two adjacent cutting blades 2 it
Between outer arc connecting portion 3 is set, thus remove to fill the redundant space in the standing groove of drilling rod using outer arc connecting portion 3, reduce
The flowing space of welding rod liquation；Thus, in welding alloy cutter head, welding rod liquation is influenceed by outer arc connecting portion 3 will be with
The completion welding of cutting blade 2 for placing cell wall and alloy cutter head is fixed, and so as to which the firmness of welding be effectively ensured, effectively avoids void
The mechanical performance of the service life of weldering and raising alloy cutter head.Due to being additionally arranged outer arc connecting portion 3 on alloy cutter head, bored in production
During standing groove on bar, its production technology is also relative to be improved, and drill out one in drill rod end first is connected with outer arc
The slightly larger hole in portion, then grooving operation is carried out along hole center, so as to form the standing groove of alloy cutter head, using this technique productions
Standing groove, alloy cutter head may not only facilitate installation, moreover, also can effectively prevent the outflow of welding rod liquation in welding, avoid sending out
Raw rosin joint influences the weld strength and service life of alloy cutter head.
In the present embodiment, it is described in order to farthest ensure the bonding strength of alloy cutter head and avoid that rosin joint occurs
Outer arc connecting portion 3 radian be the circular rotating track diameter of cutting blade 2 a quarter；When the radian of outer arc connecting portion 3 is small
In or equal to cutting blade circular rotating track a quarter, so ensure each cutting blade 2 of alloy cutter head bonding strength outside,
Standing groove outflow of the welding rod liquation along drilling rod can be also effectively avoided, so as to which the welding of alloy cutter head and drilling rod jail be effectively ensured
Soundness；Certainly, the radian of outer arc connecting portion 3 also can be greater or lesser according to setting is actually needed, but sets and more not only cause greatly
The waste of material, but also the mounting groove of welding rod liquation outflow drilling rod is caused the rosin joint of alloy cutter head；And if set more
It is small, play a part of filling mounting groove, therefore, but the embodiment of the present embodiment is preferred embodiment.
In the present embodiment, it is respectively equipped with arc angling at the both ends of described outer arc connecting portion 3 and cutting blade junction
4；By setting transition chamfering 4 effectively to avoid the junction of outer arc connecting portion 3 and cutting blade 2 from being broken, so as to effectively carry
The bonding strength and service life of high cutting blade 2.
In the present embodiment, in order to improve the cutting benefit of alloy bit, it is surrounded by and is uniformly distributed in described body 1
Three cutting blades 2, set three cutting blades 2, alloy bit work rotary course in, just there are three cutting blades 2 to be cut
Operation is cut, compared to in-line alloy cutter head, more a cutting blade 2, its working efficiency substantially can be than in-line alloy cutter heads
Will height.
In the present embodiment, in order to improve the cutting benefit of alloy bit, it is surrounded by and is uniformly distributed in described body 1
Four cutting blades 2, wherein two relative cutting blades 2 be provided with arc convex 5, the summit of the arc convex 5 is body 1
Center；By setting four cutting blades 2, its working efficiency at work of the alloy cutter head can close than in-line, triangle
Golden cutter head further improves；And arc convex is set in the center of body, it can thus be easy to the positioning of alloy cutter head,
In drilling operation, positioning is more accurate.
Above-described embodiment is not construed as to limitation of the present utility model, but any is made based on spirit of the present utility model
Improve, all should be within the scope of protection of the utility model.
Claims (5)
1. a kind of alloy cutter head for being easy to welding, includes body, two or more cutting blade is evenly distributed with the surrounding of body,
It is characterized in that be respectively equipped with outer arcuate connecting portion between two adjacent cutting blades, the outer arcuate connecting portion makes two adjacent to cut
Chip and be connected as a single entity and be structure as a whole with body.
2. a kind of alloy cutter head for being easy to welding according to claim 1, it is characterised in that described outer arc connecting portion
Radian is a quarter of cutting blade circular rotating track diameter.
3. a kind of alloy cutter head for being easy to welding according to claim 2, it is characterised in that in described outer arc connecting portion
Both ends and cutting blade junction be respectively equipped with arc angling.
4. a kind of alloy cutter head for being easy to welding according to claim 3, it is characterised in that set in described body surrounding
There are equally distributed three cutting blades.
5. a kind of alloy cutter head for being easy to welding according to claim 3, it is characterised in that set in described body surrounding
There are equally distributed four cutting blades, two relative cutting blades are provided with arc convex wherein, and the summit of the arc convex is
The center of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720909712.4U CN207057689U (en) | 2017-07-24 | 2017-07-24 | A kind of alloy cutter head for being easy to welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720909712.4U CN207057689U (en) | 2017-07-24 | 2017-07-24 | A kind of alloy cutter head for being easy to welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207057689U true CN207057689U (en) | 2018-03-02 |
Family
ID=61517651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720909712.4U Active CN207057689U (en) | 2017-07-24 | 2017-07-24 | A kind of alloy cutter head for being easy to welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207057689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436152A (en) * | 2018-05-11 | 2018-08-24 | 方大控股有限公司 | A kind of cross alloy cutter head |
-
2017
- 2017-07-24 CN CN201720909712.4U patent/CN207057689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436152A (en) * | 2018-05-11 | 2018-08-24 | 方大控股有限公司 | A kind of cross alloy cutter head |
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