CN206065899U - Scraping tumbling cutter - Google Patents
Scraping tumbling cutter Download PDFInfo
- Publication number
- CN206065899U CN206065899U CN201620971875.0U CN201620971875U CN206065899U CN 206065899 U CN206065899 U CN 206065899U CN 201620971875 U CN201620971875 U CN 201620971875U CN 206065899 U CN206065899 U CN 206065899U
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- Prior art keywords
- scraping
- cutter
- mandrel
- rolling
- connecting rod
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Abstract
This utility model is related to a kind of deep hole processing cutter, more particularly to a kind of scraping tumbling cutter, including the heavy boring portion, scraping portion, rolling portion, connecting portion and the mandrel with centre bore that set gradually from front to back, during processing workpiece, heavy boring portion, scraping portion and rolling portion synchronous rotary, feeding are processed to inner hole of workpiece；During withdrawing, hydraulic pressure or air pressure are entered from cutter afterbody, promote piston-advance, and then promote core bar, connecting rod, floating plug to advance, make type scraping knife, blade guide pad, roller inwardly retract, make these components in withdrawing will not scratch surface of the work, whole withdrawing process intake method realizes, controllability is strong, convenient to carry out.
Description
Technical field
This utility model is related to a kind of deep hole processing cutter, more particularly to a kind of scraping tumbling cutter.
Background technology
Deep hole machining adopts single cutter mostly, and as the knife bar of deep hole processing cutter is longer, cutter has naturally scratches
Bent deformation, and stability is poor, when causing during cutter work way withdrawing or processing finished piece(s) withdrawing, cutter has been easy to scuffing
The surface of deep hole of processing.When occurring the state such as tool damage or the parking of midway lathe in processing workpiece fabrication, cutter is return and is ruined
Damaging workpiece causes the situation that workpiece is scrapped to happen occasionally.
Patent No. 201220411492.X discloses a kind of scraping roller burnishing knife, is realized using the advance and retreat of the jacking block of pyramidal structure
Blade stretches out and bounces back, it is to avoid scratch machined surface of deep hole.This mode increased difficulty to drive part, while
The constructive difficulty and enforcement difficulty of cutter can be increased.
Utility model content
The technical problems to be solved in the utility model is：In order to solve to prevent plowing from using advance and retreat jacking block in prior art
The method of the surface of deep hole of processing, can increase the technical problem of cutter structure difficulty and enforcement difficulty, and this utility model provides one
Plant scraping tumbling cutter.
This utility model solves the technical scheme adopted by its technical problem：A kind of scraping tumbling cutter, including in the past
Heavy boring portion, scraping portion, rolling portion, connecting portion and the mandrel with centre bore for setting gradually backward, connecting portion inner hollow, inner chamber
Promotion piston is inside provided with, connecting portion tail end is provided with medium inlet and outlet, promotes the front end of piston to be provided with promotion core bar, promote on core bar
(the first back-moving spring is provided with, the scraping portion and rolling portion are sleeved on mandrel, and heavy boring portion is connected to the front end in scraping portion, institute
State and promote the front end of core bar to stretch out connecting portion, and mandrel is sleeved on the front end for promoting core bar, the company of being additionally provided with the mandrel
Bar, connecting rod and promotion core bar are coaxially disposed, and connecting rod is located at the front end for promoting core bar, and mandrel is stretched out positioned at scraping portion in the front end of connecting rod
It is interior, and the front end of connecting rod is provided with floating plug, floating plug and connecting rod are coaxial, are additionally provided between the tail end in scraping portion to connecting rod
The second back-moving spring being sleeved on connecting rod,
The floating type scraping knife that at least a pair are symmetricly set in boring head body radial hole in the scraping portion, in scraping portion also
Be provided with jacking block, floating plug is located in scraping portion, the outer ring of floating plug be followed successively by from front to back frontal plane section, bevel phase and
Planar section afterwards, the floating plug are gradually reduced from front to back in the external diameter of bevel phase, and the external diameter of frontal plane section is more than rear plane
The external diameter of section, one end of the jacking block are supported with the centripetal bottom of floating type scraping knife, and the other end of jacking block withstands on floating plug
On outer ring, when scraping tumbling cutter withdrawing, the other end of jacking block is withstood on the rear planar section of floating plug, when scraping roller burnishing knife
When having non-withdrawing, the other end of jacking block is withstood in the frontal plane section of floating plug.During this utility model processing workpiece, heavy boring portion,
Scraping portion and rolling portion synchronous rotary, feed and inner hole of workpiece are processed；During withdrawing, hydraulic pressure or air pressure are from (the connection of cutter afterbody
Portion's afterbody) enter, piston-advance is promoted, and then promotes core bar, connecting rod and floating plug to advance, jacking block glides along bevel phase, makes
Scrape floating type scraping knife, guide pad, roller inwardly to retract, make these components will not scratch surface of the work in withdrawing.
Further, the heavy boring blade that at least a pair are symmetricly set in boring head body radial hole in the heavy boring portion, heavy boring
Heavy boring guide pad has been uniformly arranged on portion periphery also.
Further, scraping guide pad is evenly equipped with the periphery in the scraping portion.
Further, in order to adjust rolling size, the rolling portion includes rolling retainer and cone core, and cone core is sleeved on
On mandrel and with the taper surfaces of revolution, external diameter of the cone core near one end of connecting portion is big, and one end external diameter near scraping portion is little, cone
Core outer ring is distributed with roller, and rolling retainer is sleeved in cone core with along mandrel axial freedom and for limiting roller position
Put.When rolling retainer travels forward, cone core front end is relatively low, and roller rolling press size is little, conversely, it is big then to roll size.
Further, in order to limit rolling retainer displacement forward, the rear end in the scraping portion has spacing flange collar, cone core
Front end be against on the rear end in scraping portion, the external diameter of spacing flange collar is slightly less than the external diameter of cone core front end.
Further, in order to adjust rolling external diameter, it is additionally provided between the rolling portion and connecting portion and is sleeved on mandrel
On adapter sleeve, on adapter sleeve, fixed cover is equipped with front connector and rear joint, and the rear end for rolling retainer is fixedly set in front connector
Front end on, the rear end of rear joint is connected with the front end of connecting portion, is equipped with push rod on the promotion core bar, the axis of push rod and
The axes intersect of core bar and vertical is promoted, the two ends of push rod are fixedly connected with rear joint.
Further, the connecting portion outer ring has also been uniformly arranged rolling guide pad near the position of front end.
The beneficial effects of the utility model are, scraping tumbling cutter of the present utility model, during processing workpiece, heavy boring portion, scrape
Cut portion and rolling portion synchronous rotary, feeding are processed to inner hole of workpiece；During withdrawing, hydraulic pressure or air pressure are entered from cutter afterbody, are pushed away
Piston is advanced, and then promotes core bar, connecting rod, floating plug to advance, and makes type scraping knife, blade guide pad, roller inwardly retract, makes
These components in withdrawing will not scratch surface of the work, whole withdrawing process intake method realizes that controllability is strong, is easy to reality
Apply.
Description of the drawings
With reference to the accompanying drawings and examples this utility model is further illustrated.
Fig. 1 is the front view of this utility model scraping tumbling cutter.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the A-A sectional views of Fig. 1.
Fig. 4 is the structural representation of the related components of floating plug and floating plug in this utility model scraping tumbling cutter
Figure.
In figure：1st, heavy boring portion, 11, heavy boring blade, 12, heavy boring guide pad, 2, scraping portion, 21, floating type scraping knife, 22, top
Block, 23, scraping guide pad, 24, spacing flange collar, 25, blade guide pad, 26, triangle voussoir, 3, rolling portion, 31, rolling keeps
Frame, 32, cone core, 33, roller, 4, connecting portion, 41, promote piston, 42, promote core bar, 43, (the first back-moving spring, 44, connecting portion
Guide pad, 5, mandrel, 51, connecting rod, 52, second back-moving spring, 6, floating plug, 61, frontal plane section, 62, bevel phase, 63, after
Planar section, 7, adapter sleeve, 8, front connector, 9, rear joint, 10, push rod.
Specific embodiment
This utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only illustrated in a schematic way, therefore which only shows the composition relevant with this utility model.
As Figure 1-3, it is this utility model optimum embodiment, a kind of scraping tumbling cutter, including from front to back successively
The heavy boring portion 1 of setting, scraping portion 2, rolling portion 3, connecting portion 4 and the mandrel with centre bore 5,
4 inner hollow of connecting portion, interior intracavity are provided with promotion piston 41, and 4 tail end of connecting portion is provided with medium inlet and outlet, promotes and lives
The front end of plug 41 is provided with promotion core bar 42, promotes core bar 42 to be provided with (the first back-moving spring 43,
Scraping portion 2 and rolling portion 3 are sleeved on mandrel 5, and heavy boring portion 1 is connected to the front end in scraping portion 2,
Promote the front end of core bar 42 to stretch out connecting portion 4, and mandrel 5 is sleeved on the front end for promoting core bar 42, in mandrel 5 also
Connecting rod 51 is provided with, connecting rod 51 and promotion core bar 42 are coaxially disposed, and connecting rod 51 is located at the front end for promoting core bar 42, before connecting rod 51
Mandrel 5 is stretched out in scraping portion 2 in end, and the front end of connecting rod 51 is provided with floating plug 6, and floating plug 6 and connecting rod 51 are coaxial,
The second back-moving spring 52 being sleeved on connecting rod 51 is additionally provided between the tail end in scraping portion 2 to connecting rod 51,
Scraping guide pad 23 is evenly equipped with the periphery in scraping portion 2, in scraping portion 2, boring head body is symmetricly set at least a pair
Floating type scraping knife 21 in radial hole, floating type scraping knife 21 are arranged between scraping guide pad 23, are additionally provided with top in scraping portion 2
Block 22, floating plug 6 are located in scraping portion 2, as shown in figure 4, the outer ring of floating plug 6 is followed successively by frontal plane section from front to back
61st, bevel phase 62 and rear planar section 63, floating plug 6 are gradually reduced from front to back in the external diameter of bevel phase 62, frontal plane section 61
External diameter more than rear planar section 63 external diameter, one end of jacking block 22 supported with the centripetal bottom of floating type scraping knife 21, jacking block 22
The other end is withstood on the outer ring of floating plug 6, and when scraping tumbling cutter withdrawing, the other end of jacking block 22 withstands on floating plug 6
Rear planar section 63 on, when the non-withdrawing of scraping tumbling cutter, the other end of jacking block 22 withstands on the frontal plane section 61 of floating plug 6
On.Blade guide pad 25 is additionally provided with floating type scraping knife 21.The lower section of floating type scraping knife 21 is provided with triangle voussoir 26, triangle
Voussoir 26 is low early and high after, and the rear end of triangle voussoir 26 is provided with screw, and by tightening or unscrewing screw, reaching needs the outer of scraping
Footpath size.
The heavy boring blade 11 that at least a pair are symmetricly set in boring head body radial hole in heavy boring portion 1, on 1 periphery of heavy boring portion
Heavy boring guide pad 12 has been uniformly arranged also.
Rolling portion 3 includes rolling retainer 31 and cone core 32, and cone core 32 is sleeved on mandrel 5 and has the taper surfaces of revolution,
External diameter of the cone core 32 near one end of connecting portion 4 is big, and one end external diameter near scraping portion 2 is little, and 32 outer ring of cone core is distributed with roller
33, roll retainer 31 and be sleeved in cone core 32 with the position along 5 axial freedom of mandrel and for limiting roller 33.
The front end that the rear end in scraping portion 2 has spacing flange collar 24, cone core 32 is against on the rear end in scraping portion 2, spacing flange collar
24 external diameter is slightly less than the external diameter of 32 front end of cone core.
The adapter sleeve 7 being sleeved on mandrel 5 is additionally provided between rolling portion 3 and connecting portion 4, fixed suit on adapter sleeve 7
There are front connector 8 and rear joint 9, the rear end for rolling retainer 31 is fixedly set on the front end of front connector 8, the rear end of rear joint 9
It is connected with the front end of connecting portion 4, promotes and on core bar 42, be equipped with push rod 10, the axis phase of the axis and promotion core bar 42 of push rod 10
Hand over and vertical, the two ends of push rod 10 are fixedly connected with rear joint 9.The work of 9 adjustment roller rolling press external diameters of front connector 8 and rear joint
, have master scale on rear joint 9 is cylindrical, by tightening or unscrewing the graduated disc of adjustment front connector side before processing, reach
Need the outside dimension of rolling.
4 outer ring of connecting portion has also been uniformly arranged connecting portion guide pad 44 near the position of front end.
This utility model cutter is scraping tumbling No. 1 cutter, and heavy boring, scraping, rolling are processed at one time.
Cutter series：
Internal diameter：D40～D500
Rapidoprint：
45th, the drawn tube and hot-rolled pipe of the material such as Q345,27SiMn, 42CrMo, material hardness range HB120～310.
Allowance：
Drawn tube, monolateral allowance≤1mm.
Hot-rolled pipe, monolateral allowance≤6mm (internal diameter >=D40).
Apparatus processing Product Precision：
Accurate to dimension IT7～IT8 levels；Surface roughness Ra=0.05～0.20 μm；Circularity≤0.03mm；Endoporus is straight
Dimension 0.1/1000mm.
Processing action：
Heavy boring portion 1 is equipped with fixed heavy boring blade 11 and guide pad 12, and 90% allowance is fallen in main boring；Scraping portion
2 are equipped with floating type scraping knife 21, blade guide pad 25 and scraping guide pad 23, and scraping portion 2 is chased after along the workpiece after the processing of heavy boring portion 1
Track is processed, and optimizes the linearity after heavy boring portion 1 processes and circularity, reduce and eliminate the processing of heavy boring portion 1 surface of the work ripple mark and
Error；Rolling portion 3 is equipped with roller 33 and connecting portion guide pad 44,33 preposition arrangement of roller, and rolling portion 3 rolls surface of the work to obtain
To good surface roughness requirements；Cutter links screw thread and is threadedly coupled for BAT.
During processing workpiece, heavy boring portion 1,3 synchronous rotary of scraping portion 2 and rolling portion, feeding are processed to inner hole of workpiece；Withdrawing
When, hydraulic pressure or air pressure (arrow in Fig. 3 represents hydraulic pressure or air pressure) are entered from 4 afterbody of connecting portion, are promoted piston 41 to advance, are entered
And promoting core bar 42, connecting rod 51, floating plug 6 to advance so that other end the past planar section 61 of jacking block 22 arrives bevel phase 62, so
Rear planar section 63, i.e. jacking block 22 are arrived afterwards to retract, and then makes floating type scraping knife 21, blade guide pad 25 inwardly retract, make this
A little components will not scratch surface of the work in withdrawing.Promote the advance of core bar 42 advance with push rod 10, push rod 10 drives
Joint 9 advances afterwards, and rear joint 9 promotes front connector 8 and rolling retainer 31 to travel forward again, and roller 33 is slided to 32 front end of cone core
Dynamic, roller 33 inwardly bounces back.
Floating type scraping knife 21 is arranged in pairs on boring head body, during tool sharpening each pair floating type scraping knife 21 it
Between distance be fixed, that is to say, that the connector between each pair floating type scraping knife 21 is to be rigidly connected, but due to workpiece
Endoporus has rough phenomenon in roughing, and the distance between floating type scraping knife 21 and inner hole of workpiece can be fine motion
, here it is using the technology of floating plug, making cutter self adjustment in process, self revision, to meet various works
The processing of condition tubing, reaches excellent precision.
With it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various change and modification completely in the range of without departing from this utility model technological thought.This reality
The content being not limited to new technical scope in description, it is necessary to its technology is determined according to right
Property scope.
Claims (7)
1. a kind of scraping tumbling cutter, it is characterised in that：Including the heavy boring portion (1), scraping portion (2) for setting gradually from front to back,
Rolling portion (3), connecting portion (4) and the mandrel with centre bore (5),
Connecting portion (4) inner hollow, interior intracavity are provided with promotion piston (41), and connecting portion (4) tail end is provided with medium inlet and outlet, promote
The front end of piston (41) is provided with promotion core bar (42), promotes core bar (42) to be provided with (the first back-moving spring (43),
The scraping portion (2) and rolling portion (3) are sleeved on mandrel (5), and heavy boring portion (1) is connected to the front end of scraping portion (2),
Connecting portion (4) is stretched out in the front end for promoting core bar (42), and mandrel (5) is sleeved on the front end for promoting core bar (42),
Connecting rod (51) is additionally provided with the mandrel (5), connecting rod (51) and promotion core bar (42) are coaxially disposed, and connecting rod (51) is positioned at promotion
Mandrel (5) is stretched out in scraping portion (2) in the front end of core bar (42), the front end of connecting rod (51), and the front end of connecting rod (51) is installed
There are floating plug (6), floating plug (6) and connecting rod (51) coaxial, between the tail end of scraping portion (2) to connecting rod (51), be additionally provided with set
The second back-moving spring (52) being mounted on connecting rod (51),
The floating type scraping knife (21) that at least a pair are symmetricly set in boring head body radial hole on the scraping portion (2), scraping portion
(2) be additionally provided with jacking block (22) in, floating plug (6) in scraping portion (2), the outer ring of floating plug (6) from front to back according to
It is secondary for frontal plane section (61), bevel phase (62) and rear planar section (63), the floating plug (6) bevel phase (62) external diameter from
Be gradually reduced after going to, the external diameter of the external diameter of frontal plane section (61) more than rear planar section (63), one end of the jacking block (22) with
The centripetal bottom of floating type scraping knife (21) is supported, and the other end of jacking block (22) is withstood on the outer ring of floating plug (6), when scraping is rolled
During light cutter withdrawing, the other end of jacking block (22) is withstood on the rear planar section (63) of floating plug (6), when scraping tumbling cutter not
During withdrawing, the other end of jacking block (22) is withstood in the frontal plane section (61) of floating plug (6).
2. scraping tumbling cutter as claimed in claim 1, it is characterised in that：On the heavy boring portion (1) at least a pair it is symmetrical
The heavy boring blade (11) being arranged in boring head body radial hole, has also been uniformly arranged heavy boring guide pad (12) on heavy boring portion (1) periphery.
3. scraping tumbling cutter as claimed in claim 1, it is characterised in that：It is evenly equipped with the periphery of the scraping portion (2) and scrapes
Cut guide pad (23).
4. scraping tumbling cutter as claimed in claim 1, it is characterised in that：The rolling portion (3) includes rolling retainer
(31) and cone core (32), cone core (32) is sleeved on mandrel (5) and has the taper surfaces of revolution, and cone core (32) is near connecting portion (4)
One end external diameter it is big, one end external diameter near scraping portion (2) is little, and cone core (32) outer ring is distributed with roller (33), and rolling keeps
Frame (31) is sleeved in cone core (32) with along mandrel (5) axial freedom and for limiting the position of roller (33).
5. scraping tumbling cutter as claimed in claim 4, it is characterised in that：The rear end of the scraping portion (2) has limit convex
Circle (24), the front end of cone core (32) is against on the rear end of scraping portion (2), before the external diameter of spacing flange collar (24) is slightly less than cone core (32)
The external diameter at end.
6. scraping tumbling cutter as claimed in claim 4, it is characterised in that：Between the rolling portion (3) and connecting portion (4) also
The adapter sleeve (7) being sleeved on mandrel (5) is provided with, fixed cover is equipped with front connector (8) and rear joint (9), rolling on adapter sleeve (7)
The rear end of pressure retainer (31) is fixedly set on the front end of front connector (8), before the rear end of rear joint (9) and connecting portion (4)
End connection, is equipped with push rod (10), the axis of push rod (10) and the axis phase of promotion core bar (42) on promotion core bar (42)
Hand over and vertical, the two ends of push rod (10) are fixedly connected with rear joint (9).
7. scraping tumbling cutter as claimed in claim 1, it is characterised in that：Position of connecting portion (4) outer ring near front end
Put and be additionally provided with connecting portion guide pad (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620971875.0U CN206065899U (en) | 2016-08-27 | 2016-08-27 | Scraping tumbling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620971875.0U CN206065899U (en) | 2016-08-27 | 2016-08-27 | Scraping tumbling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206065899U true CN206065899U (en) | 2017-04-05 |
Family
ID=58434490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620971875.0U Expired - Fee Related CN206065899U (en) | 2016-08-27 | 2016-08-27 | Scraping tumbling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206065899U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442828A (en) * | 2017-08-11 | 2017-12-08 | 广西汽车集团有限公司 | Arc groove processing technology |
| CN108453288A (en) * | 2018-05-29 | 2018-08-28 | 山东华宇工学院 | Numerical control taper deep hole drilling apparatus and technique |
| CN116967788A (en) * | 2023-09-22 | 2023-10-31 | 北京理工大学 | Boring and rolling composite BTA deep hole machining tool and manufacturing method |
-
2016
- 2016-08-27 CN CN201620971875.0U patent/CN206065899U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442828A (en) * | 2017-08-11 | 2017-12-08 | 广西汽车集团有限公司 | Arc groove processing technology |
| CN108453288A (en) * | 2018-05-29 | 2018-08-28 | 山东华宇工学院 | Numerical control taper deep hole drilling apparatus and technique |
| CN108453288B (en) * | 2018-05-29 | 2024-05-24 | 山东华宇工学院 | Numerical control taper deep hole machining device and process |
| CN116967788A (en) * | 2023-09-22 | 2023-10-31 | 北京理工大学 | Boring and rolling composite BTA deep hole machining tool and manufacturing method |
| CN116967788B (en) * | 2023-09-22 | 2024-01-05 | 北京理工大学 | Boring and rolling composite BTA deep hole machining tool and manufacturing method |
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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: 20170405 Termination date: 20210827 |