CN203556893U - Telescopic rotatable mechanical clamping and fixing cutter - Google Patents
Telescopic rotatable mechanical clamping and fixing cutter Download PDFInfo
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- CN203556893U CN203556893U CN201320731489.0U CN201320731489U CN203556893U CN 203556893 U CN203556893 U CN 203556893U CN 201320731489 U CN201320731489 U CN 201320731489U CN 203556893 U CN203556893 U CN 203556893U
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- knife bar
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- cutter rod
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Abstract
The utility model belongs to the technical field of machining, and particularly relates to a telescopic rotatable mechanical clamping and fixing cutter. The cutter comprises a large cutter rod installed on a tool rest, the large cutter rod is in a cylindrical shape, the outer side face of the large cutter rod is provided with two parallel cutting planes, the large cutter rod is fixed to the tool rest through the parallel cutting planes, a middle hole deviating from the central axis of the large cutter rod is arranged in the large cutter rod, a telescopic rotatable small cutter rod is arranged in the middle hole, one end portion of the small cutter rod is provided with a cutter bit for cutting parts, and the large cutter rod is provided with at least one countersunk screw connected with the small cutter rod in an abutted mode. The cutter has the advantages of being rotatable and telescopic, being used for turning inner circles, outer circles and end faces, especially being suitable for machining of stepped holes with different depths and diameters which differ greatly and machining of workpieces with external diameters larger than the maximum workpiece swing diameter on a drag plate in a lathe and flexible and convenient to use.
Description
Technical field
The utility model belongs to Machining Technology field, especially relates to a kind of scalable rotatable mechanical clamped tool.
Background technology
Turning processing be on lathe, utilize workpiece rotatablely move and the rectilinear motion of cutter or curvilinear motion change the shape and size of blank, it is processed into a kind of cutting working method that meets drawing requirement.Turning processing is the most basic, modal cutting working method, is to use the most a kind ofly in manufacture industry.The quantity of lathe is large, personnel are many, the range of work is wide, and turning occupies very consequence aborning.Turning is suitable for processing rotary surface, and major part has the workpiece of rotary surface can process with method for turning, and as inside and outside circle cylinder, the inside and outside circle conical surface, end face, groove, screw thread and rotoforming face etc., cutter for same is mainly lathe tool.The processing of inside and outside circle cylinder, end face is again the most basic in turning processing, the one processing that frequency of utilization is the highest, and the lathe tool of its use is billmpse tool, internal lathe-tool.Billmpse tool versatility is very strong, and what diameter was large, little can process lathe tool with same.And internal lathe-tool is just different, will be according to the size of endoporus during making, the material of shape, the depth and processing, character of processing etc. are made respectively corresponding internal lathe-tool, the internal lathe-tool that this just needs thickness difference, a lot of different cutter materials different in size, is unfavorable for the management of cutter.The making of inner hole knife tool is in the past all all-in-one-piece, and one can only turning process interior among a small circle endoporus cutter.
As a class inner hole knife tool, knife bar cross section front portion is square or circular, rear portion is square, arbor stiffness is poor, if this inner hole knife tool turning workpiece endoporus diminishes, the degree of depth deepens, this cutter has just likely no longer been applicable to turning processing endoporus, and arbor stiffness is poor, can only solve by changing corresponding inner hole knife tool, the range of work is very little; Separately have a class monoblock type inner hole knife tool, knife bar cross section is square or rectangular, and front and back thickness is the same, and the front class cutter of arbor stiffness will be got well, and the extension elongation that turning adds knife bar in man-hour can regulate according to the depth of endoporus, and the range of work expands to some extent; Also has a class inner hole knife tool, it is typically scalable, the rotatable inner hole knife tool using in current machining, this cutter can only solve the flexible and Rotation of knife bar, according to the actual conditions of the depth of institute's machining hole and part processing, by the flexible of knife bar and rotation, regulate the conversion of length that knife bar stretches out and tool orthogonal rake, relief angle size.But because point of a knife is not in foremost, for the workpiece that processing end face and pore size differ, deep mixed stepped hole and processing external diameter are greater than the maximum swing diameter of work on lathe middle carriage, seem not too convenient, even cannot process, use function ratio more single.
A kind of scalable, rotatable inner hole knife tool is now provided, as publication number is: a kind of axle sleeve type deep hole tools that the Chinese invention patent of CN103143738A provides, it comprises knife bar body, the front portion of described knife bar body has cutter head installation portion, on described cutter head installation portion, cutter head is installed, on described knife bar body, be also installed with at least one in order to support the axle sleeve of knife bar body, described axle sleeve is sheathed on described knife bar body.By the supporting role of axle sleeve, strengthened the intensity of knife bar body, make knife bar not yielding under the effect of High Rotation Speed or high pulling torque.Because point of a knife is not in foremost, for the workpiece that processing end face and pore size differ, deep mixed stepped hole and processing external diameter are greater than the maximum swing diameter of work on lathe middle carriage, seem not too convenient, even cannot process, use function ratio more single.
Utility model content
The utility model is mainly for the existing function singleness of existing inner hole knife tool, awkward problem, and a kind of scalable rotatable mechanical clamped tool of scalable, rotatable, adjustable cutter front and rear angles is provided.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of scalable rotatable mechanical clamped tool, it comprises the large knife bar being arranged on knife rest, large knife bar is cylindric, the lateral surface of large knife bar is provided with two parallel bevels, knife rest is by the fixing large knife bar of parallel bevel, in described large knife bar, be provided with the mesopore that departs from large knife bar central axis, in mesopore, be provided with scalable and rotating little knife bar, the end of little knife bar is provided with the cutter head of machined part, and large knife bar is provided with the sunk screw of at least one and pocket knife bar butt.This cutter is scalable, and little knife bar can be stretched from large knife bar, also can be withdrawn into large knife bar the inside and enters; Rotatable, little knife bar can rotate in large knife bar, regulates the conversion of anterior angle and the relief angle size of cutter by rotation, to adapt to the needs of processing.In process, can determine whether will stretch out little knife bar according to the size in aperture, the depth, how long stretch out; According to the practical working situation of machining hole, whether as, the situation such as interrupted cut, the height of workpiece hardness, the machining complexity of workpiece material, decides little knife bar whether to need rotation.This cutter can be used for for the workpiece that processing end face and pore size differ, deep mixed stepped hole and processing external diameter are greater than the maximum swing diameter of work on lathe middle carriage, flexible and convenient to use.
As preferably, the aperture of mesopore is slightly larger than the external diameter of little knife bar, and little knife bar is positioned at mesopore and is that matched in clearance is connected with large knife bar.Little knife bar is that matched in clearance is connected with large knife bar, and according to using needs, little knife bar can stretch or rotate in mesopore.
As preferably, between parallel bevel and the outer face of large knife bar, be provided with chamfering.Chamfering angle size can be made by oneself according to large knife bar thickness, is beneficial to the interference reducing in Tutrning Process, expands the range of work.
As preferably, the side away from mesopore on large knife bar is provided with inclined-plane between the outer face of large knife bar.Inclined-plane is beneficial to the interference reducing in Tutrning Process, expands the range of work.
As preferably, described sunk screw has two, and a sunk screw is arranged in the medial side face of large knife bar, and another sunk screw is arranged on described inclined-plane.Two sunk screws, are fixedly clamped solid and reliable, and little knife bar is difficult for loosening.
As preferably, described cutter head is fixed on the end of little knife bar by housing screw.After cutter head damages, housing screw just again can turning again only need to turn a position, also can select different cutter materials according to different workpiece materials, hardness, working properties.
Therefore, the beneficial effects of the utility model are: this cutter is rotatable, scalable, for turning processing inside and outside circle, end face, be particularly useful for processing deep mixed, pore size and differ the workpiece that larger stepped hole and processing external diameter are greater than the maximum swing diameter of work on lathe middle carriage, flexible and convenient to use.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is the A-A cutaway views in accompanying drawing 1;
Accompanying drawing 3 is the B-B cutaway views in accompanying drawing 1.
Shown in figure: the large knife bar of 1-, 2-mesopore, the little knife bar of 3-, 4-cutter head, 5-sunk screw, 6-inclined-plane.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
As Figure of description 1, shown in 3, a kind of scalable rotatable mechanical clamped tool, it comprises the large knife bar 1 being arranged on knife rest, large knife bar 1 is cylindric, the lateral surface of large knife bar 1 is provided with two parallel bevels, knife rest is by the fixing large knife bar 1 of parallel bevel, between the outer face of parallel bevel and large knife bar 1, be provided with chamfering, in large knife bar 1, be provided with the mesopore 2 that departs from large knife bar 1 central axis, in mesopore 2, be provided with scalable and rotating pocket knife bar 3, the aperture of mesopore 2 is slightly larger than the external diameter of pocket knife bar 3, pocket knife bar 3 is positioned at mesopore 2 and is connected for matched in clearance with large knife bar 1, the end of pocket knife bar 3 is provided with the cutter head 4 of machined part, cutter head 4 is fixed on the end of pocket knife bar 3 by housing screw, large knife bar 1 is provided with the sunk screw 5 of at least one and pocket knife bar 3 butts, as shown in Figure of description 2, side away from mesopore 2 on large knife bar 1 is provided with inclined-plane 6 between the outer face of large knife bar 1, sunk screw 5 has two, a sunk screw 5 is arranged in the medial side face of large knife bar 1, another sunk screw 5 is arranged on inclined-plane 6.
One, planform: this cutter is comprised of large knife bar and little hole boring cutter.
1), little hole boring cutter: a, this hole boring cutter be mechanical clamping type indexable tool, substantially realized standardization, can be according to the different choice thickness of workpiece processing content, cutter head shape, cutter that cutter head material is different.
B, cutter head height are concordant with pocket knife rod axis, are conducive to improve to greatest extent arbor stiffness.
C, point of a knife in knife bar foremost, are conducive to facilitate turning processing, reduce the generation of the interference in process.
In d, process, tool bit abrasion, as long as rotate a position, housing screw again, just can continue again processing.
E, large knife bar coordinate with pocket knife bar crest clearance, can slide and join.By rotating little knife bar, can realize the conversion of tool orthogonal rake, relief angle size.
2), the material of large knife bar: a, large knife bar is 45# round steel, both economical like this practicality, other material also can as materials such as Cr12.
Being shaped as of b, large knife bar is one cylindrical, and upper and lower surface scabbles through processing, is conducive to the clamping of knife rest housing screw to this cutter; Fore-end has two internal threads for locking little knife bar and being processed with the inclined-plane that angle is α, leans now to one side, then to the other and has R angle, and the large I in R angle is made by oneself according to large knife bar thickness, is conducive to like this reduce the interference in Tutrning Process, expands the range of work; Inside there are mesopore and pocket knife bar cunning to join; One side thickness is about 1.5+0.50, is conducive to like this point of a knife of cutter in foremost, to turning processing, brings convenience, and also can reduce the interference in Tutrning Process.
Two, cutter feature: scalable, rotatable.Scalable, little knife bar can be stretched from large knife bar, also can be withdrawn into large knife bar the inside and enters; Rotatable, little knife bar can rotate in large knife bar, regulates the conversion of anterior angle and the relief angle size of cutter by rotation, to adapt to the needs of processing.In process, can determine whether will stretch out little knife bar according to the size in aperture, the depth, how long stretch out; According to the practical working situation of machining hole, whether as, the situation such as interrupted cut, the height of workpiece hardness, the machining complexity of workpiece material, decides little knife bar whether to need rotation.
Three, the scope of application: compared with former cutter, this tool sharpening scope is wide, belongs to a cutter multi-purpose type cutter.Specifically increased the function of the following aspects or promoted:
1), this cutter can car endoporus, again can turning, end face, be especially applicable to the part that turning diameter is greater than the maximum swing diameter of work on lathe cross slide;
2), this cutter can forward feeding turning, again can feed reverse cutting;
3), this cutter can be according to the size in aperture, selects easily interior knife bar or inside and outside knife bar synthesis to process endoporus;
4), this cutter has changed mechanical clamping indexable tool on the basis of original welding, cutter head is blunt, housing screw just again can turning again only need to turn a position, also can select different cutter materials according to different workpiece materials, hardness, working properties;
5), this cutter is applicable to process pore size and differs larger, deep mixed stepped hole, very convenient flexibly.
This cutter is rotatable, scalable, both can boring aperture, and again can boring macropore; Both can boring shallow bore hole, again can boring deep hole; Can formal dress turning, can anti-entrucking cut again; Can forward feeding, again can feed reversing; Also can turning, end face; And Dao Tou Mo only need turn a position after damaging and just can reuse, very flexible, overcome the unfavorable phenomenon of in the past using function ratio more single.
Should be understood that this embodiment is only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (6)
1. a scalable rotatable mechanical clamped tool, it comprises the large knife bar (1) being arranged on knife rest, large knife bar (1) is cylindric, the lateral surface of large knife bar (1) is provided with two parallel bevels, knife rest is by the fixing large knife bar (1) of parallel bevel, it is characterized in that, in described large knife bar (1), be provided with the mesopore (2) that departs from large knife bar (1) central axis, in mesopore (2), be provided with scalable and rotating little knife bar (3), the end of little knife bar (3) is provided with the cutter head (4) of machined part, large knife bar (1) is provided with the sunk screw (5) of at least one and little knife bar (3) butt.
2. the scalable rotatable mechanical clamped tool of one according to claim 1, is characterized in that, the aperture of mesopore (2) is slightly larger than the external diameter of little knife bar (3), and little knife bar (3) is positioned at mesopore (2) and is connected for matched in clearance with large knife bar (1).
3. the scalable rotatable mechanical clamped tool of one according to claim 1 and 2, is characterized in that, between parallel bevel and the outer face of large knife bar (1), is provided with chamfering.
4. the scalable rotatable mechanical clamped tool of one according to claim 1 and 2, is characterized in that, the upper side away from mesopore (2) of large knife bar (1) is provided with inclined-plane (6) between the outer face of large knife bar (1).
5. the scalable rotatable mechanical clamped tool of one according to claim 4, it is characterized in that, described sunk screw (5) has two, and a sunk screw (5) is arranged in the medial side face of large knife bar (1), and another sunk screw (5) is arranged on described inclined-plane (6).
6. the scalable rotatable mechanical clamped tool of one according to claim 1 and 2, is characterized in that, described cutter head (4) is fixed on the end of little knife bar (3) by housing screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731489.0U CN203556893U (en) | 2013-11-18 | 2013-11-18 | Telescopic rotatable mechanical clamping and fixing cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731489.0U CN203556893U (en) | 2013-11-18 | 2013-11-18 | Telescopic rotatable mechanical clamping and fixing cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203556893U true CN203556893U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320731489.0U Expired - Fee Related CN203556893U (en) | 2013-11-18 | 2013-11-18 | Telescopic rotatable mechanical clamping and fixing cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203556893U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209545A (en) * | 2014-09-01 | 2014-12-17 | 安徽全柴锦天机械有限公司 | Chamfer mill applicable to holes with different diameters |
| CN111515418A (en) * | 2020-04-03 | 2020-08-11 | 中国航发哈尔滨东安发动机有限公司 | Special boring cutter for turning inner grooves of aviation gear shaft parts |
-
2013
- 2013-11-18 CN CN201320731489.0U patent/CN203556893U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209545A (en) * | 2014-09-01 | 2014-12-17 | 安徽全柴锦天机械有限公司 | Chamfer mill applicable to holes with different diameters |
| CN111515418A (en) * | 2020-04-03 | 2020-08-11 | 中国航发哈尔滨东安发动机有限公司 | Special boring cutter for turning inner grooves of aviation gear shaft parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140423 Termination date: 20201118 |