CN206425592U - A kind of changeable cutting tool - Google Patents
A kind of changeable cutting tool Download PDFInfo
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- CN206425592U CN206425592U CN201720076403.3U CN201720076403U CN206425592U CN 206425592 U CN206425592 U CN 206425592U CN 201720076403 U CN201720076403 U CN 201720076403U CN 206425592 U CN206425592 U CN 206425592U
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- knife bar
- sword head
- sword
- cutting tool
- convex portion
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Abstract
The utility model provides a kind of changeable cutting tool, including：Sword head, one end is provided with sword head convex portion or sword head recess；Knife bar, one end is provided with knife bar recess or knife bar convex portion, wherein, knife bar recess or knife bar convex portion connect sword head convex portion or sword head recess by chimeric mode, and knife bar and sword head are detachably connected.The utility model is coordinated by sword head and knife bar inserted type, and is connected by fastener, is easy to the replacing of sword head, and inserted type is connected, so that the connection between sword head and knife bar is more close, prevent that portion occurs relative movement or rotated between the two, realizes the uniformity of motion.
Description
Technical field
The utility model belongs to cutting-tool engineering field, is related to a kind of cutter, particularly a kind of changeable cutting tool.
Background technology
Cutter is to be used for the instrument of machining, also known as cutting element in machine-building, and existing cutter is substantially all
It is integral piece, or the higher material of one piece of hardness is welded in tool nose, improves the wearability of cutter, but the cutter head of cutter
Belong to consumable accessory, integral piece cutter or when being inlaid with the cutter head of cutter of hard alloy and damaging, replacement cost is higher, in addition,
According to the difference of required manufacturing procedure, it is necessary to different cutter, so as to need to make the cutter that different processes are used, so as to improve
The manufacturing cost of cutter, and then improve the production cost of shaped article.
In summary, it is necessary to which designing one kind is conveniently replaceable sword head, and the cutter for installing different type sword head can be realized.
The content of the invention
The purpose of this utility model is there is above mentioned problem for existing technology, it is proposed that one kind is conveniently replaceable sword head,
And the cutter for installing different type sword head can be realized.
The purpose of this utility model can be realized by following technical proposal：A kind of changeable cutting tool, including：
Sword head, one end is provided with sword head convex portion or sword head recess；
Knife bar, one end is provided with knife bar recess or knife bar convex portion, wherein, the knife bar recess or the knife bar convex portion
The sword head convex portion or the sword head recess are connected by chimeric mode, and the knife bar connects with the detachable of the sword head
Connect.
In a kind of above-mentioned changeable cutting tool, the sword head convex portion or the sword head recess and mutually chimeric with it
The knife bar recess or the knife bar convex portion be similar dentalation.
In a kind of above-mentioned changeable cutting tool, the section of dentalation is triangular in shape or trapezoidal or semicircle.
In a kind of above-mentioned changeable cutting tool, the curved sphere of the knife bar with described mutually chimeric one end of sword head.
In a kind of above-mentioned changeable cutting tool, the axis direction circular array of the knife bar is provided with several
First shape tooth, and the first shape tooth is arranged at one end mutually chimeric with sword head.
In a kind of above-mentioned changeable cutting tool, the axis direction circular array of the sword head is provided with several
Second shape tooth, and the second shape tooth is arranged at the first end of the sword mutually chimeric with knife bar, and be engaged with the first shape tooth.
In a kind of above-mentioned changeable cutting tool, the first shape tooth is arranged radially with the second shape tooth.
In a kind of above-mentioned changeable cutting tool, the circulation for offering coolant along the length direction of the knife bar is led to
Road.
In a kind of above-mentioned changeable cutting tool, the quantity of the port of export of circulation passage is two, respectively positioned at described
The both sides of knife bar side wall, and entrance point of two ports of export with coolant circulation passage be connected, and constitutes " Y " character form structure and sets
Put.
In a kind of above-mentioned changeable cutting tool, at least one chip area is offered along the length direction of the knife bar,
And one end of chip area is opened and wears the knife bar.
In a kind of above-mentioned changeable cutting tool, away from the knife bar mutually be fitted together to one end the sword head at least provided with
There is a cutting edge, and the sword side undulate of cutting edge is set.
In a kind of above-mentioned changeable cutting tool, along the axis direction of the sword head at least provided with a groove, work as institute
State sword head it is chimeric with the knife bar after, its groove is connected with chip area.
Compared with prior art, the beneficial effects of the utility model：
(1), the utility model is coordinated by sword head and knife bar inserted type, and is connected by fastener, is easy to sword head more
Change, and inserted type is connected so that and the connection between sword head and knife bar is more close, prevents that relative move occurs for portion between the two
Dynamic or rotation, realizes the uniformity of motion；
(2), the utility model sets cutter split, forms sword head and knife bar, and realize sword head by threaded fastener
Being detachably connected between knife bar, is easy to the replacing of sword head, so as to reduce the cost for changing cutter, and then reduces processing part
Production cost.
Brief description of the drawings
Fig. 1 is a kind of explosive view of changeable cutting tool of the utility model.
Fig. 2 is the structural representation of knife bar in the preferred embodiment of the utility model one.
Fig. 3 is the partial enlarged drawing of part A in Fig. 2.
Fig. 4 is the structural representation at another visual angle of knife bar shown in Fig. 2.
Fig. 5 is the structural representation of sword head in the preferred embodiment of the utility model one.
Fig. 6 is the structural representation at another visual angle of sword head shown in Fig. 5.
In figure, 100, sword head；110th, the second shape tooth；120th, cutting edge；130th, groove；200th, knife bar；210th, the first shape tooth；
220th, circulation passage；230th, chip area.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
As shown in figure 1, a kind of changeable cutting tool that the utility model is provided, including：Sword first 100, one end is provided with convex
Portion or recess；Knife bar 200, one end is provided with the knife bar recess mutually chimeric with sword head convex portion or sword head recess or knife bar is convex
Portion, and being detachably connected for knife bar 200 and sword first 100 is realized by fastener.The changeable cutting tool that the utility model is provided,
Belong to cutting field, used especially as a kind of drill bit, is such as applied on Digit Control Machine Tool.
A kind of changeable cutting tool that the utility model is provided, is coordinated, and lead to by sword first 100 and the inserted type of knife bar 200
Fastener connection is crossed, is easy to the replacing of sword first 100, and inserted type is connected so that the connection between sword first 100 and knife bar 200
It is more close, prevent that portion occurs relative movement or rotated between the two, realizes the uniformity of motion.
Preferably, as shown in Fig. 1, Fig. 3 and Fig. 5, the convex portion of sword first 100 or recess and the knife bar mutually chimeric with it
200 recess or convex portion are similar dentalation, realize that sword first 100 is inserted toothed engagement with knife bar 200 and is connected so that sword head
Connection between 100 and knife bar 200 is more close, and limitation sword first 100 is relative to the free degree that knife bar 200 rotates in a circumferential direction.It is excellent
Selection of land, the tooth form section of similar dentalation can be triangle or trapezoidal or semicircle etc..
Preferably, as shown in Fig. 2, Fig. 3 and Fig. 4, the curved sphere of knife bar 200 with the mutually chimeric one end of sword first 100, i.e.,
The edge of the end chimeric surface is slightly above the center of its end chimeric surface, when sword first 100 is mutually chimeric with knife bar 200, sword head
100 edge is fitted close with the edge of knife bar 200, and the middle part of sword first 100 is suspended on the middle part of knife bar 200, on the one hand, due to
Machining accuracy it is limited, it is impossible to be that the sword first 100 on the composition surface of plane is perfectly fitted close with knife bar 200 by two ends；Separately
On the one hand, sword first 100 is in cutting so that the reaction force of cutting force is held by the edge dentalation of the chimeric surface of knife bar 200
By, so that impact of the reaction force for knife bar 200 is reduced, the service life of raising knife bar 200.
Preferably, as shown in Fig. 2, Fig. 3 and Fig. 4, knife bar 200 is cylindrical to be set, and the axis direction along knife bar 200 is in
Annular array is provided with several the first shape teeth 210, and the first shape tooth 210 be arranged at the mutually chimeric one end of sword first 100, wherein
Several the first shape teeth 210 are arranged radially, i.e. one end of each the first shape tooth 210 comes together in the axis of knife bar 200
Center, the other end of each the first shape tooth 210 radially outward, fitting portion when being connected as sword first 100 with knife bar 200 and
Sword first 100 transmits support during power for knife bar 200.
Preferably, as shown in Fig. 2, Fig. 3 and Fig. 4, the circulation passage of coolant is offered along the length direction of knife bar 200
220, wherein, the port of export of circulation passage 220 is at least provided with one, on the side wall of knife bar 200, it is preferable that the port of export
Quantity is two, respectively positioned at the both sides of the side wall of knife bar 200, and import of two ports of export with coolant circulation passage 220
End is connected, and constitutes " Y " character form structure and sets, and realizes the synchronous cooling of the both sides of knife bar 200, prevents the both sides of knife bar 200 due to drop
Service life that is warm uneven and influenceing knife bar 200, and the connection between knife bar 200 and sword first 100 be not close.
Preferably, as shown in Fig. 2, Fig. 3 and Fig. 4, at least one chip area is offered along the length direction of knife bar 200
230, and one end of chip area 230 opens and wears knife bar 200 and the mutually chimeric fitting portion of sword first 100, to exclude tool sharpening part
The iron filings of generation, prevent iron filings from scratching the surface of processing part.Preferably, the quantity of chip area 230 is 2, is set in the shape of a spiral
Put.
Preferably, as shown in Fig. 2, Fig. 3 and Fig. 4, one layer of coating is coated along the surface of knife bar 200, preferably DEX is applied
Layer, wherein, DEX coatings are natural emulsion coating, and the wearability of cutter, heat resistance, resistance to adherence greatly improved and resistance to collapses
Damage property.
Preferably, as shown in Figure 5 and Figure 6, sword first 100 is cylindrical is set, along the axis direction battle array in a ring of sword first 100
Row are provided with several the second shape teeth 110, and the second shape tooth 110 is arranged at first 100 one end of the sword mutually chimeric with knife bar 200, and
It is engaged with the first shape tooth 210, realizes the fitting connection between sword first 100 and knife bar 200, wherein, the second shape tooth 110 is in radiation
Shape is set.
Preferably, as shown in Figure 5 and Figure 6, mutually it is fitted together to away from knife bar 200 on the sword first 100 of one end at least provided with one
Cutting edge 120, and the sword side undulate setting of cutting edge 120, realize that cutter, when processing part, cuts off thread iron filings, prevented
Only the length of thread iron filings is long, scratches the surface of part to be processed.Preferably, the quantity of cutting edge 120 is 2, and symmetrically
It is oppositely arranged, realize Bidirectional cutting.
Preferably, as shown in Figure 5 and Figure 6, along the axis direction of sword first 100 at least provided with a groove 130, when sword head
After 100 is chimeric with knife bar 200, its groove 130 is connected with chip area 230 so that iron filings pass sequentially through groove 130, chip area
230 outflows, improve the quality of fabricated part.
The installation method for the changeable cutting tool that the utility model is provided, passes through the radioactivity shape tooth and knife on sword first 100
Radioactivity shape tooth is mutually fitted together on bar 200 so that groove 130 aligns with chip area 230, the unthreaded hole on sword first 100 and knife bar 200
On screwed hole align, and pass through threaded fastener and be connected connection between sword first 100 and knife bar 200, complete the peace of cutter
Dress, if necessary to change sword first 100, need to only be unscrewed fastener, and sword first 100 is removed from knife bar 200, institute is then mixed
Sword first 100 is needed, then tightens threaded fastener.
The changeable cutting tool that the utility model is provided, cutter split is set, and forms sword first 100 and knife bar 200, and logical
Cross threaded fastener and realize being detachably connected between sword first 100 and knife bar 200, be easy to the replacing of sword first 100, so as to reduce more
The cost of tool changing tool, and then reduce the production cost of processing part.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. a kind of changeable cutting tool, it is characterised in that including：
Sword head, one end is provided with sword head convex portion or sword head recess；
Knife bar, one end is provided with knife bar recess or knife bar convex portion, wherein, the knife bar recess or the knife bar convex portion pass through
Chimeric mode connects the sword head convex portion or the sword head recess, and the knife bar and the sword head are detachably connected.
2. a kind of changeable cutting tool according to claim 1, it is characterised in that the sword head convex portion or the sword head
Recess and the knife bar recess mutually chimeric with it or the knife bar convex portion are similar dentalation.
3. a kind of changeable cutting tool according to claim 2, it is characterised in that the dentalation of the sword head with it is described
The dentalation of knife bar is arranged radially.
4. a kind of changeable cutting tool according to Claims 2 or 3, it is characterised in that the section of dentalation is in triangle
Shape or trapezoidal or semicircle.
5. a kind of changeable cutting tool according to claim 1 or 2 or 3, it is characterised in that with the sword head mutually chimeric one
The curved sphere of the knife bar at end.
6. a kind of changeable cutting tool according to claim 1 or 2 or 3, it is characterised in that along the length side of the knife bar
To the circulation passage for offering coolant.
7. a kind of changeable cutting tool according to claim 6, it is characterised in that the quantity of the port of export of circulation passage is
Two, respectively positioned at the both sides of knife bar side wall, and entrance point of two ports of export with coolant circulation passage is connected,
" Y " character form structure is constituted to set.
8. a kind of changeable cutting tool according to claim 1 or 2 or 3, it is characterised in that along the length side of the knife bar
To offering at least one chip area, and one end of chip area is opened and wears the knife bar.
9. a kind of changeable cutting tool according to claim 1 or 2 or 3, it is characterised in that be mutually fitted together to away from the knife bar
At least provided with a cutting edge on the sword head of one end, and the sword side undulate of cutting edge is set.
10. a kind of changeable cutting tool according to claim 8, it is characterised in that along the sword head axis direction extremely
A groove is provided with less, and after the sword head is chimeric with the knife bar, its groove is connected with chip area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720076403.3U CN206425592U (en) | 2017-01-19 | 2017-01-19 | A kind of changeable cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720076403.3U CN206425592U (en) | 2017-01-19 | 2017-01-19 | A kind of changeable cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206425592U true CN206425592U (en) | 2017-08-22 |
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ID=59583325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720076403.3U Active CN206425592U (en) | 2017-01-19 | 2017-01-19 | A kind of changeable cutting tool |
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| CN (1) | CN206425592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664261A (en) * | 2021-09-02 | 2021-11-19 | 宁波阿卡龙切削工具有限公司 | Drilling rod convenient to replace and mount |
-
2017
- 2017-01-19 CN CN201720076403.3U patent/CN206425592U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113664261A (en) * | 2021-09-02 | 2021-11-19 | 宁波阿卡龙切削工具有限公司 | Drilling rod convenient to replace and mount |
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