CN209239086U - A kind of disposable type automatic lathe cutting off tool - Google Patents
A kind of disposable type automatic lathe cutting off tool Download PDFInfo
- Publication number
- CN209239086U CN209239086U CN201822113577.XU CN201822113577U CN209239086U CN 209239086 U CN209239086 U CN 209239086U CN 201822113577 U CN201822113577 U CN 201822113577U CN 209239086 U CN209239086 U CN 209239086U
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- China
- Prior art keywords
- knife
- cutter
- cutter blades
- point
- cutter blade
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Abstract
The utility model relates to a kind of disposable type automatic lathe cutting off tool, including knife bar and cutter blades, cutter blades are equipped with the fastener for fixing cutter blades；Cutter blades include the cutter blade that cross section assumes diamond in shape, and cutter blade is equipped with point of a knife, and point of a knife is symmetrically distributed on the acute angle of cutter blade with the revenue centre of cutter blade；The middle part of cutter blade, which is equipped with, runs through cutter blade mounting hole, is mounted on knife bar using Shi Xianyong cutter blades, and locked with fastener, can workpieces processing；When point of a knife passivation, cutter blades can be taken out and exchange and be processed using another point of a knife, when the both ends of cutter blades are passivated, the cutter blades that directly can more renew；Cutter blades are replaced, but knife bar may continue to using reducing the replacement cost of cutter relative to the cutting off tool of traditional welding.The utility model has the effect of double end cutting and reduces the replacement cost of cutter.
Description
Technical field
The utility model relates to the technical fields of automatic lathe turning knife, use more particularly, to a kind of disposable type automatic lathe
Cutting off tool.
Background technique
In turnery processing, need to cut off workpiece using lathe, the processing such as grooving, inner hole.
In the prior art, the cutter of lathe includes knife bar and the blade that is welded on knife bar, when using cutter to part
When being processed, after repeatedly processing part, the phenomenon that cutter is passivated, then needs to dismantle on cutter, use abrasive machine pair
Attrition process is carried out to blade, then Cutting tool installation manner can be used continuously on lathe, when needs high-volume adds part
Working hour then needs often to grind cutter, after blade is ground relatively multiple, then needs to replace on entire cutter；
Since knife bar is intact, blade cannot be reused, this to need the way of cutter integral replacing, on the one hand, to cause the benefit of knife bar
With the not high problem of rate；On the other hand, the problem of causing the higher cost of replacement cutter.
Utility model content
The purpose of the utility model is to provide a kind of disposable type automatic lathe cutting off tools, can be more with cutter blades
Change and have the effect of high utilization rate.
A kind of disposable type automatic lathe cutting off tool, it is described to cut including knife bar and the cutter blades being arranged on knife bar
Breaking on piece is provided with the fastener for fixing cutter blades；The cutter blades include cutter blade, the cross of the cutter blade
Section assumes diamond in shape, and point of a knife is provided on the cutter blade, and the point of a knife is symmetrically distributed in cutter blade with the revenue centre of cutter blade
Acute angle on, the mounting hole for forming fastening for fastener grafting through cutter blade is provided in the middle part of the cutter blade.
By using above-mentioned technical proposal, cutter blade setting is assumed diamond in shape, and the center symmetric setting knife on cutter blade
Point, since in cutter blades setting double-pole point, then a cutter blades can be used twice, improve the utilization of cutter blades
Rate；When needing workpieces processing, cutter blades are mounted on knife bar, reusing fastener can carry out cutter blades locking
Cutter blades can be taken out by unlocking fastener and be rotated 180 ° of another points of a knife of use when point of a knife passivation by processing,
When the both ends of cutter blades are passivated, cutter blades can be taken out the cutter blades more renewed；Due to only to cutter blades into
Row replacement, and knife bar may continue to using reducing the replacement cost of cutter relative to traditional welded type cutting off tool.It is logical
The setting is crossed, the effect that double end utilizes on the one hand may be implemented, on the other hand can reduce the replacement cost of cutter.
The utility model is further arranged to: the point of a knife includes main rake face, main flank and minor flank, the master
Rake face connect to form acute angle with main flank, and the main rake face and main flank intersection form main cutting edge；The pair
Flank is connect with main rake face and main flank respectively；The main flank connect to form acute angle with minor flank, the master
Flank and minor flank intersection are end cutting edge, and the main cutting edge and end cutting edge are crossed to form point of a knife end, the knife
The angle at tip is 35 °.
By using above-mentioned technical proposal, point of a knife includes main rake face, main flank and minor flank, main rake face and master
Flank, which connects, to form acute angle and main flank connect to form acute angle with minor flank, and acute angle is sharper relative to right angle and obtuse angle
It is sharp, that is, show preferably realize processing in the sharpness for guaranteeing the robustness of point of a knife while certifiable point of a knife, point of a knife end is arranged
Angle be 35 °, then in precision-machined parts, since the angle at point of a knife end is smaller, effectively workpiece can be avoided, thus
Realize accurate processing.By the setting, the effect for facilitating processing and accurately processing may be implemented.
The utility model is further arranged to: the point of a knife further includes that the volume of the side of cutter blade is arranged in cut slot, described
Volume cuts the both ends of the surface that slot runs through cutter blade, and the volume cuts that slot is vertical with the end face of cutter blade, and the volume is cut slot and is arc-shaped, described
Volume cuts slot and main rake face is tangent.
By using above-mentioned technical proposal, setting cuts slot with the tangent volume of main rake face, in cutting workpiece fabrication, cutting
In scrap can by roll up cut slot plastic deformation formed certain shapes, such as formed C-shaped bits, pagoda shape volume consider to be worth doing shape, without
It can be wrapped on workpiece or cutter.Pass through the setting, it is possible to reduce scrap is wrapped in the effect on workpiece or cutter.
The utility model is further arranged to: the fastener is fastening screw.
By using above-mentioned technical proposal, cutter blades can be fixed on by knife bar by using fastening screw when use
On, when cutter blades will be replaced or exchange point of a knife by needing, replacement can be realized by back-outing fastening screw.It is set by this
It sets, the effect for facilitating fastening and being convenient for changing may be implemented.
The utility model is further arranged to: reinforcement block, the reinforcement block are fixedly installed on the end face of the cutter blade
It is positioned close to the side of end cutting edge, the fixation through reinforcement block for fastening screw grafting is provided in the middle part of the reinforcement block
Hole, the fixation hole and mounting hole are coaxially disposed.
By using above-mentioned technical proposal, reinforcement block is set in cutter blade end face, the structural strength of cutter blade can be reinforced.
By the setting, it can be achieved that the effect of structural strengthening.
The utility model is further arranged to: the point of a knife, reinforcement block and knife this body by integral forming.
By using above-mentioned technical proposal, by point of a knife, reinforcement block and knife this body by integral forming, it is integrally formed then cutter blades
The good connecting effect relative to other modes, i.e., the structural strength of integrally formed cutter blades is big, guarantee cutter blades exist
Deformation occurs in cutting-off process.Pass through the setting, it is ensured that the effect of the structural strength of cutter blades.
The utility model is further arranged to: the knife bar lower part is provided with the accommodation groove for installing cutter blades, institute
Stating cutter blades can be partially submerged into accommodation groove, and the cell wall of the accommodation groove and the side of cutter blades fit, the cutting
One point of a knife of blade is pierced by knife bar, and cutter blades can be fixed in accommodation groove by the fastener.
By using above-mentioned technical proposal, accommodation groove is set on knife bar, cutter blades are mounted on accommodation groove when use
In, since the position-limiting action of the cell wall of accommodation groove can limit cutter blades, cutter blades can be fixed on by reusing fastener
On knife bar, do not shift in processing.By the setting, the limit effect of cutter blades may be implemented.
The utility model is further arranged to: the protector for protecting point of a knife, the protection are provided on the knife bar
Slot is communicated with accommodation groove.
By using above-mentioned technical proposal, when cutter blades are mounted in accommodation groove, communicated by being arranged with accommodation groove
Protector, the cell wall of point of a knife and accommodation groove can will be avoided to touch.By the setting, the protection effect of point of a knife may be implemented
Fruit.
The utility model is further arranged to: being provided with threaded hole at the slot bottom of the accommodation groove, the threaded hole can be with
Mounting hole communicates.
It by using above-mentioned technical proposal, can be communicated with threaded hole by the way that mounting hole is arranged, when use can pass through fastener
Quickly cutter blades are fixed on to be formed in accommodation groove and be fastened.By the setting, the effect of the fastening of cutter blades may be implemented
Fruit.
In conclusion the advantageous effects of the utility model are as follows:
By the way that fastener is arranged in cutter blades；Point of a knife is set on the cutter blade that cross section assumes diamond in shape, in cutter blade
Middle part be arranged mounting hole, when a point of a knife passivation when, cutter blades can be taken out and exchange and be processed using another point of a knife, when
The both ends of cutter blades are passivated, the cutter blades that directly can more renew；Cutter blades are replaced, but knife bar may continue to
It uses, reduces the effect of the replacement cost of cutter.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the side view of the utility model cutter blades；
Fig. 3 is the overall schematic of the utility model cutter blades；
Fig. 4 is the enlarged diagram of A in the utility model Fig. 3；
Fig. 5 is the structural schematic diagram of the utility model knife bar.
In figure, 1, knife bar；11, accommodation groove；12, protector；13, threaded hole；2, cutter blades；21, fastening screw；22,
Cutter blade；221, fixation hole；23, point of a knife；231, main rake face；232, main flank；233, minor flank；234, main cutting
Sword；235, end cutting edge；236, point of a knife end；238, volume cuts slot；24, reinforcement block；241, mounting hole；3, knife bar bottom surface.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, it is a kind of disposable type automatic lathe cutting off tool disclosed by the utility model, including knife bar 1 and sets
Set the cutter blades 2 on knife bar 1.Wherein, cutter blades 2 and knife bar 1 are formed with hard alloy, are arranged in cutter blades 2
There is the fastener for fixing cutter blades 2, wherein fastener is fastening screw 21.
Referring to Fig. 2 and Fig. 3, cutter blades 2 include cutter blade 22, wherein the cross section of cutter blade 22 assumes diamond in shape, cutter blade
Point of a knife 23 is provided on 22, point of a knife 23 is symmetrically distributed on the acute angle of cutter blade 22 with the revenue centre of cutter blade 22, and knife
Point 23 is connect with the side of cutter blade 22 and both ends of the surface.
Referring to Fig. 3 and Fig. 4, point of a knife 23 includes main rake face 231, main flank 232 and minor flank 233, specifically, main
Rake face 231 connect to form acute angle with main flank 232, and main rake face 231 forms main cutting edge with main 232 intersection of flank
234；Minor flank 233 is connect with main rake face 231 and main flank 232 respectively；Main flank 232 connects with minor flank 233
It connects to form acute angle, main flank 232 is end cutting edge 235, main cutting edge 234 and end cutting edge with 233 intersection of minor flank
235 are crossed to form point of a knife end, wherein the angle at point of a knife end is 35 °.
Point of a knife 23 further includes that the volume being arranged on this body side surface of knife cuts slot 238, and volume cuts the both ends that slot 238 runs through cutter blade 22
Face, volume are cut slot 238 and are arc-shaped, and knife ontology and main rake face 231 are tangent.
Reinforcement block 24 is fixedly installed on the end face of cutter blade 22, reinforcement block 24 is positioned close to the one of end cutting edge 235
The cross section of side, reinforcement block 24 is hexagonal, and four sides of reinforcement block 24 are flushed with the side of cutter blade 22.Reinforcement block 24
Middle part be provided with the fixation hole 221 through reinforcement block 24 for fastener grafting, the fixation hole 221 and mounting hole 241 are coaxial
Setting.The heavy nail hole bigger than 241 aperture of mounting hole is coaxially arranged on 22 end face of cutter blade, the ailhead of fastening screw 21 can support
Touch the bottom hole in heavy nail hole, the effective influence for reducing ailhead to workpieces processing.
In order to make cutter blades 2 have a stronger structural strength, point of a knife 23, reinforcement block 24 and knife this body by integral forming.
Referring to Fig.1 and Fig. 5, knife bar 1 is in pentagonal prism shape, is provided in 1 one end of knife bar for installing cutter blades 2
Accommodation groove 11, wherein accommodation groove 11 is in v-shaped, and a cell wall of accommodation groove 11 is parallel with the side of knife bar 1；Cutter blades 2 can be embedding
Enter to accommodation groove 11, and the cell wall of accommodation groove 11 is bonded with the side of cutter blades 2, a point of a knife 23 of cutter blades 2 is pierced by
Cutter blades 2 can be fixed in accommodation groove 11 by knife bar 1, fastening screw 21.It is additionally provided on knife bar 1 for protecting point of a knife 23
Protector 12, wherein protector 12 is in n shape, and protector 12 is connected to the middle part of accommodation groove 11, and protector 12 and accommodation groove
11 communicate.Threaded hole 13 is provided at the slot bottom of accommodation groove 11, threaded hole 13 can be communicated with mounting hole 241, when by cutoff tool
When piece 2 is mounted in accommodation groove 11, threaded hole 13, mounting hole 241 and fixation hole 221 are communicated, that is, can be used fastening screw 21 will
Cutter blades 2 are fixed.
Referring to Fig.1, the angle that 8-25 ° is formed in knife bar bottom surface 3 and main rake face 231, due to knife bar bottom surface 3 and main preceding knife
The angle that face 231 is formed is positive angle, that is, can guarantee the sharpness of cutter blades 2, in order to cut.Especially with the cutoff tool
2 working plastic material of piece, such as steel workpiece select 8 ° or 15 ° of angle, steel work while guaranteeing 2 rigidity of cutter blades
The effect of the processing of part is also preferable.
The implementation principle of the present embodiment are as follows: when it is desired to be used, can be by the reinforcement block 24 in cutter blades 2 towards accommodation groove
11, and the installation of cutter blades 2 is reused fastening screw 21 and cutter blades 2 are fixed on knife bar 1 into accommodation groove 11.
When needing to exchange point of a knife 23 or replacement cutter blades 2, the unlock of fastening screw 21 can be split out cutter blades 2
180 ° of overturning or replacement.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (9)
1. a kind of disposable type automatic lathe cutting off tool, the cutter blades (2) including knife bar (1) and setting on knife bar (1),
It is characterized by: being provided with the fastener for fixing cutter blades (2) on the cutter blades (2)；The cutter blades (2)
Including cutter blade (22), the cross section of the cutter blade (22) assumes diamond in shape, and is provided with point of a knife (23), institute on the cutter blade (22)
Point of a knife (23) is stated to be symmetrically distributed on the acute angle of cutter blade (22) with the revenue centre of cutter blade (22), the cutter blade (22)
Middle part is provided with the mounting hole (241) for forming fastening for fastener grafting through cutter blade (22).
2. a kind of disposable type automatic lathe cutting off tool according to claim 1, it is characterised in that: the point of a knife (23)
Including main rake face (231), main flank (232) and minor flank (233), the main rake face (231) and main flank
(232) connection forms acute angle, and the main rake face (231) and main flank (232) intersection form main cutting edge (234)；Institute
Minor flank (233) is stated to connect with main rake face (231) and main flank (232) respectively；After the main flank (232) and pair
Knife face (233) connection forms acute angle, and the main flank (232) and minor flank (233) intersection are end cutting edge (235),
The main cutting edge (234) and end cutting edge (235) are crossed to form point of a knife end, and the angle at the point of a knife end is 35 °.
3. a kind of disposable type automatic lathe cutting off tool according to claim 2, it is characterised in that: the point of a knife (23)
It further include that the volume being arranged in the side of cutter blade (22) is cut slot (238), the volume cuts the both ends that slot (238) run through cutter blade (22)
Face, the volume cut that slot (238) is vertical with the end face of cutter blade (22), and the volume is cut slot (238) and is arc-shaped, and the volume cuts slot
(238) tangent with main rake face (231).
4. a kind of disposable type automatic lathe cutting off tool according to claim 1, it is characterised in that: the fastener is
Fastening screw (21).
5. a kind of disposable type automatic lathe cutting off tool according to claim 1, it is characterised in that: the cutter blade
(22) it being fixedly installed on end face reinforcement block (24), the reinforcement block (24) is positioned close to the side of end cutting edge (235),
The fixation hole (221) through reinforcement block (24) for fastener grafting, the fixation hole are provided in the middle part of the reinforcement block (24)
(221) it is coaxially disposed with mounting hole (241).
6. a kind of disposable type automatic lathe cutting off tool according to claim 1, it is characterised in that: the point of a knife
(23), reinforcement block (24) He Daoben body by integral forming.
7. a kind of disposable type automatic lathe cutting off tool according to claim 4, it is characterised in that: the knife bar (1)
Lower part is provided with the accommodation groove (11) for installing cutter blades (2), and the cutter blades (2) can be partially submerged into accommodation groove
(11), the cell wall of the accommodation groove (11) and the side of cutter blades (2) fit, a point of a knife of the cutter blades (2)
(23) it is pierced by knife bar (1), cutter blades (2) can be fixed in accommodation groove (11) by the fastening screw (21).
8. a kind of disposable type automatic lathe cutting off tool according to claim 7, it is characterised in that: the knife bar (1)
On be provided with protector (12) for protecting point of a knife (23), the protector (12) communicates with accommodation groove (11).
9. a kind of disposable type automatic lathe cutting off tool according to claim 7, it is characterised in that: the accommodation groove
(11) it is provided at slot bottom threaded hole (13), the threaded hole (13) can communicate with mounting hole (241).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822113577.XU CN209239086U (en) | 2018-12-14 | 2018-12-14 | A kind of disposable type automatic lathe cutting off tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822113577.XU CN209239086U (en) | 2018-12-14 | 2018-12-14 | A kind of disposable type automatic lathe cutting off tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209239086U true CN209239086U (en) | 2019-08-13 |
Family
ID=67533117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822113577.XU Expired - Fee Related CN209239086U (en) | 2018-12-14 | 2018-12-14 | A kind of disposable type automatic lathe cutting off tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209239086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227553A (en) * | 2021-12-29 | 2022-03-25 | 国宏工具系统（无锡）股份有限公司 | Nonstandard blade sandblast passivating device |
| CN114309685A (en) * | 2022-01-25 | 2022-04-12 | 东莞市国瑞切削工具有限公司 | Turning tool |
-
2018
- 2018-12-14 CN CN201822113577.XU patent/CN209239086U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227553A (en) * | 2021-12-29 | 2022-03-25 | 国宏工具系统（无锡）股份有限公司 | Nonstandard blade sandblast passivating device |
| CN114227553B (en) * | 2021-12-29 | 2023-10-31 | 国宏工具系统（无锡）股份有限公司 | Non-standard blade sand blasting passivation device |
| CN114309685A (en) * | 2022-01-25 | 2022-04-12 | 东莞市国瑞切削工具有限公司 | Turning tool |
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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 |
Granted publication date: 20190813 Termination date: 20201214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |