CN105458314B - A kind of boring head - Google Patents
A kind of boring head Download PDFInfo
- Publication number
- CN105458314B CN105458314B CN201510983679.5A CN201510983679A CN105458314B CN 105458314 B CN105458314 B CN 105458314B CN 201510983679 A CN201510983679 A CN 201510983679A CN 105458314 B CN105458314 B CN 105458314B
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- Prior art keywords
- knife box
- knife
- mandrel
- box frame
- edge
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/03—Boring heads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Meat And Fish (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a kind of boring heads, are related to surfacing device technical field.Including mandrel, mandrel front end is fixed to be equipped with knife box frame, rear end is equipped with thrust ball bearing by bearing holder (housing, cover), the outer rim of mandrel is set with rolling component, component is rolled between knife box frame and thrust ball bearing, the knife box of several circumference uniform distributions in knife box frame is housed, the edge of a knife is equipped in knife box, boring cutter is set in the edge of a knife, and cutter head is located at outside knife box；Knife box frame left end cap is equipped with knife box frame fishbolt, it contacts with knife box and clamps knife box, the side mounting surface of knife box is equipped with the side puller bolt stretched into the edge of a knife, bottom mounting surface is equipped with the bottom puller bolt stretched into the edge of a knife, and side puller bolt and bottom puller bolt play fixed function to boring cutter.Simple in structure, light-weight, interchangeability is preferable between tool, can improve machining accuracy, reduces production cost.
Description
Technical field
The present invention relates to surfacing device technical fields.
Background technology
When processing the inner surface of major diameter cylinder barrel class workpiece, generally require to use boring tool, existing boring tool, knot
Structure is complicated, and weight is larger, and interchangeability is bad between tool, not only has an impact to machining accuracy, also increases primary complete work
The quantity of required boring tool, production cost are higher in sequence.
Invention content
It is simple in structure the technical problem to be solved by the present invention is in view of the above shortcomings of the prior art, provide a kind of boring head,
Light-weight, interchangeability is preferable between tool, can improve machining accuracy, reduces production cost.
In order to solve the above technical problems, the technical solution used in the present invention is：
A kind of boring head, including mandrel, mandrel front end is fixed to be equipped with knife box frame, and rear end is equipped with thrust ball axis by bearing holder (housing, cover)
It holds, the outer rim of mandrel is set with rolling component, and rolling component is between knife box frame and thrust ball bearing, if being equipped in knife box frame
The knife box of dry circumference uniform distribution, knife box is interior to be equipped with the edge of a knife, and boring cutter is set in the edge of a knife, and cutter head is located at outside knife box；Knife box frame is left
End cap is equipped with knife box frame fishbolt, is contacted with knife box and clamps knife box, and the side mounting surface of knife box, which is equipped with, stretches into the edge of a knife
Interior side puller bolt, bottom mounting surface are equipped with the bottom puller bolt stretched into the edge of a knife, side puller bolt and bottom top
Tight bolt plays fixed function to boring cutter.
As further technical solution, the knife box frame includes left side clamping plate, right side clamping plate and gusset, and gusset is set on a left side
Between side clamping plate and right side clamping plate, gusset is fixed with the middle shaft structure between two clamping plates, and shape between adjacent webs
Into the assembling groove coordinated with knife box；In the middle part of knife box frame by run through the bolt of left side clamping plate, right side clamping plate and middle shaft structure with
Mandrel center is affixed, and surrounding is affixed by the bolt and mandrel edge for running through right side clamping plate；Left side clamping plate is equipped with and knife box frame
The matched knife box frame threaded hole of fishbolt.
As further technical solution, the knife box fishbolt includes horizontal clamping bolt and oblique fishbolt,
It is parallel between the central axes of horizontal clamping bolt and the central axes of mandrel, the central axes of oblique fishbolt and the central axes of mandrel
Between make an angle alpha；The side mounting surface of knife box is equipped with the tipper coordinated with oblique fishbolt.
As further technical solution, the angle α is 50 ° -70 °.
As further technical solution, the rolling component includes raceway, retainer, roller, spacer and adjusting pad；Rolling
Road is set on mandrel, and retainer is set on the outside of raceway, and the axially uniform of retainer upper edge mandrel is equipped with several circle rollers,
Catch is equipped on the outside of retainer, raceway encloses rolling matched with the width of roller and positioned at roller lower right equipped with several
Slot；It is touched on the left of raceway with knife box bridge joint, right side is equipped with spacer, is contacted on the right side of spacer with bearing holder (housing, cover)；Retainer left side and knife box frame
Contact, right side are equipped with detachable adjusting pad, the right side of adjusting pad and Contact of Thrust Ball Bearing.
As further technical solution, the roller is equipped with two circles, and slot rolling is also correspondingly provided with two circles.
It is internal on the right side of the thrust ball bearing to be additionally provided with red copper pad as further technical solution.
As further technical solution, the knife box is trapezoidal bulk, and bottom mounting surface includes horizontal bottom and tilts bottom
Face, ramped bottom surface have angle β with horizontal plane, and ramped bottom surface is abutted with horizontal clamping bolt；The end of the edge of a knife is equipped with straight slot, bottom
Portion's puller bolt is stretched into inside straight slot；It is equipped on the two neighboring side mounting surface of knife box and the matched screw thread of side puller bolt
Hole.
As further technical solution, the angle β is 5 ° -7 °.
It is using advantageous effect caused by above-mentioned technical proposal：
Simple in structure, light-weight, boring cutter and rolling unit replacement are convenient, and high-precision rolling component was using several times
Afterwards, precision reduces, moreover it is possible to it easily be changed to progress heavy boring technique on other boring heads, interchangeability is preferable between tool, can
Machining accuracy is improved, reduces production cost, improves production efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the A direction views of knife box frame in Fig. 1；
Fig. 3 is the right view of Fig. 2；
Fig. 4 is the B-B sectional views of Fig. 3；
Fig. 5 is the structure diagram of knife box in Fig. 1；
Fig. 6 is the left view of Fig. 5.
In figure：1st, mandrel；2nd, knife box frame；3rd, bearing holder (housing, cover)；4th, thrust ball bearing；5th, knife box；6th, the edge of a knife；7th, boring cutter；8th, side
Face puller bolt；9th, bottom puller bolt；10th, horizontal clamping bolt；11st, oblique fishbolt；12nd, tipper；13rd, raceway；
14th, retainer；15th, roller；16th, spacer；17th, adjusting pad；18th, catch；19th, slot rolling；22nd, red copper pad；23rd, straight slot；24th, left side
Clamping plate；25th, right side clamping plate；26th, gusset；27th, assembling groove；28th, knife box frame threaded hole；29th, knife box frame mounting hole.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 to 6, it is a kind of one embodiment of boring head of the present invention, including：
Mandrel 1,1 front end of mandrel are equipped with knife box frame 2, and for installing boring cutter, rear end is equipped with thrust ball bearing by bearing holder (housing, cover) 3
4, due to carry out major diameter cylinder barrel work pieces process when, mainly boring head does the movement of horizontal direction, therefore thrust ball bearing 4 is used for
It is connect with rotary propelling mechanism, realizes the rotation, propulsion and retrogressing of boring head, the outer rim of mandrel 1 is set with rolling component, rolling group
Part is located between knife box frame 2 and thrust ball bearing 4.
In knife box frame 2 evenly and symmetrically be equipped with knife box 5, the edge of a knife 6 is equipped in knife box 5, boring cutter 7 is set in the edge of a knife 6, knife
Head is located at outside knife box 5, passes through more tool changing box 5, it will be able to knife box frame be made to adapt to the boring cutter 7 of sizes, not only the scope of application
Extensively, and 7 fixed structure of boring cutter consolidates, and four sides is effective to ensure that boring cutter in use by clamping force
Stability improves machining accuracy.Specific clamp structure includes knife box frame 2 to the clamping of knife box 5 and knife box 5 to boring cutter 7
Clamping.2 left end cap of knife box frame is equipped with knife box frame fishbolt, is contacted with knife box 5 and clamps knife box 5；The side installation of knife box 5
Face is equipped with the side puller bolt 8 stretched into the edge of a knife, and bottom mounting surface is equipped with the bottom puller bolt 9 stretched into the edge of a knife, side
Face puller bolt 8 and bottom puller bolt 9 play fixed function to boring cutter 7.
Specifically, knife box frame 2 includes left side clamping plate 24, right side clamping plate 25 and gusset 26, gusset 26 is set on left side clamping plate 24
And between right side clamping plate 25, gusset 26 is wholely set with the middle shaft structure between two clamping plates, and adjacent webs 26 it
Between formed with knife box 5 coordinate assembling groove 27, form the box-packed distribution structure of stable knife.2 middle part of knife box frame is consolidated equipped with knife box frame
Determine hole 29, it is affixed by the bolt and 1 center of mandrel that run through left side clamping plate 24, right side clamping plate 25 and middle shaft structure, it is surrounded by
Knife box frame mounting hole 29, it is affixed by the bolt and 1 edge of mandrel that run through right side clamping plate 25, it can be efficiently and effectively by knife box frame 2
It is fixed on mandrel 1, performance is stablized, and improves working efficiency.Left side clamping plate 24 is equipped with to match with knife box frame fishbolt
The knife box frame threaded hole 28 of conjunction, for installing knife box 5.
Preferably, there are four assembling groove 27 and knife box 5 are all provided with.
Knife box fishbolt includes horizontal clamping bolt 10 and oblique fishbolt 11, the central axes of horizontal clamping bolt 10
It is parallel between the central axes of mandrel 1, it is made an angle alpha between the central axes of oblique fishbolt 11 and the central axes of mandrel 1；Knife box
5 side mounting surface is equipped with the tipper 12 coordinated with oblique fishbolt 11.This structure cause knife box and meanwhile directly by
Lateral chucking power and slanting chucking power, after oblique chucking power is decomposed, knife box also has received longitudinal, folder internally
Holding force makes clamping effect more preferable, and performance is more stable.
Angle α is 50 ° -70 °.Preferably, angle α is 60 °, easy to process, and can ensure clamping stability.
It rolls component and includes raceway 13, retainer 14, roller 15, spacer 16 and adjusting pad 17.Raceway 13 is set in mandrel 1
On, retainer 14 is set in 13 outside of raceway.The axially uniform of 14 upper edge mandrel 1 of retainer is equipped with several circle rollers 15, rolling
Column 15 can surround the axis pin being connect with retainer 14 and be freely rotated so that rolling speed is fast, and precision is high.14 outside of retainer is set
There is catch 18, edges cover lives the portions of lateral side of roller 15, certain position-limiting action is played to roller 15, and can also protect
It is not easily damaged in process to protect raceway 13.Width of the raceway 13 equipped with several circles and roller 15 is matched and positioned at rolling
The slot rolling 19 of 15 lower right of column.Under normal circumstances, the uniform setting three to six of the circle of roller 15 1, it will be able to play abundant rolling
The effect of pressure, makes the weight of boring head reduce as possible, improves machining accuracy.
13 left side of raceway is contacted with knife box frame 2, and right side is equipped with spacer 16, and 16 right side of spacer is contacted with bearing holder (housing, cover) 3.Retainer
14 left sides are contacted with knife box frame 2, and right side is equipped with detachable adjusting pad 17, can be torn open in the state of being set on the outside of component
It is divided into two semi-rings, the right side of adjusting pad 17 is contacted with thrust ball bearing 4.When boring and rolling technique carries out, roller 15 is not
In slot rolling 19, adjusting pad 17 and spacer 16 respectively play retainer 14 and raceway 13 support positioning action, ensure rolling component
It rotates smooth；When withdrawing, first adjusting pad 17 is removed, operating personnel's force pushes retainer 14 to negative direction, band
Dynamic roller 15 is fallen in slot rolling 19, and due to 19 depth very little of slot rolling, roller 15 still can smoothly be rotated around mandrel 1,
Workpiece surface will not be impacted, and since 1 left end of mandrel loses the support of retainer 14, knife box frame 2 is in the weight of itself
Sink naturally under power and other stress it is small take measurements, drive boring cutter 7 sink naturally it is small take measurements, at this time boring cutter 7 not with work
Part contacts, and finished surface will not be damaged when withdrawing.
Roller 15 is equipped with two circles, and slot rolling 19 is also correspondingly provided with two circles.Multi-turn rolling can improve rolling effect, and then be promoted
Machining accuracy.
4 right side of thrust ball bearing is internal to be additionally provided with red copper pad 22, and fixed function is played to bearing holder (housing, cover) 3.
The characteristics of being processed according to boring and rolling, knife box 5 are trapezoidal bulk, and inclined design is circular conical surface, can ensure knife box 5
While intensity, mitigate 5 weight of knife box, adapt to inside workpiece shape.
5 bottom mounting surface of knife box includes horizontal bottom and ramped bottom surface, and ramped bottom surface has angle β with horizontal plane, tilts bottom
Face is abutted with horizontal clamping bolt 10, makes 10 adjustment effect of horizontal clamping bolt more preferable, and positioning is more firm.The end of the edge of a knife 6
Equipped with straight slot 23, bottom puller bolt 9 is stretched into inside straight slot 23, the convenient handling to boring cutter 7.It installs 5 two neighboring side of knife box
It is equipped on face and 8 matched threaded hole of side puller bolt.Preferably, angle β can just play good adjustment for 5 ° -7 °
Fastening effect.
In use, workpiece is stuck on boring machine chuck fixed, cone disk withstands at cylinder mouth that 45° angle is as benchmark, and boring head is in boring bar
Effect is lower deeply to process endoporus by main axis, and workpiece is cut to specified size, middle rear end milled head by boring head leading portion cutter
It is up to standard to be refined to finish, realizes cutting rolling one-pass molding, improves efficiency, ensure precision, more than 0.8 roughness can be reached
And the processing request within 0.1 millimeter of straightness.Since in use, raceway 13 is most susceptible to abrasion, make rolling smart
Degree reduces, and the technological requirement of finish-boring rolling is not achieved, at this time can replace raceway 13 on other boring heads, carries out heavy boring rolling
Pressure technique realizes the sustainable use to component, reduces the production cost of enterprise.
With the above structure, boring head is simple in structure, light-weight, and boring cutter and rolling unit replacement are convenient, high-precision rolling
Pressing component, precision reduces after using several times, moreover it is possible to it is easily changed to on other boring heads progress heavy boring technique, tool it
Between interchangeability it is preferable, can improve machining accuracy, reduce production cost, improve production efficiency.
Claims (6)
1. a kind of boring head, it is characterised in that：Including mandrel（1）, mandrel（1）Front end is fixed to be equipped with knife box frame（2）, rear end passes through
Bearing holder (housing, cover)（3）Equipped with thrust ball bearing（4）, mandrel（1）Outer rim be set with rolling component, rolling component is located at knife box frame（2）
With thrust ball bearing（4）Between, knife box frame（2）The interior knife box equipped with several circumference uniform distributions（5）, knife box（5）It is interior to be equipped with the edge of a knife
（6）, boring cutter（7）Set on the edge of a knife（6）Interior, cutter head is located at knife box（5）It is external；Knife box frame（2）Left end cap is pressed from both sides equipped with knife box frame
Tight bolt, with knife box（5）It contacts and clamps knife box（5）, knife box（5）Side mounting surface be equipped with stretch into the edge of a knife side top
Tight bolt（8）, bottom mounting surface is equipped with the bottom puller bolt stretched into the edge of a knife（9）, side puller bolt（8）And bottom is held out against
Bolt（9）To boring cutter（7）Play fixed function；The knife box frame（2）Including left side clamping plate（24）, right side clamping plate（25）And muscle
Plate（26）, gusset（26）Set on left side clamping plate（24）And right side clamping plate（25）Between, gusset（26）With set on two clamping plates it
Between middle shaft structure fix, and adjacent webs（26）Between formed with knife box（5）The assembling groove of cooperation（27）；Knife box frame（2）
Middle part is by running through left side clamping plate（24）, right side clamping plate（25）And the bolt and mandrel of middle shaft structure（1）Center is affixed, and surrounding is led to
It crosses through right side clamping plate（25）Bolt and mandrel（1）Edge is affixed；Left side clamping plate（24）It is equipped with and knife box frame fishbolt
Matched knife box frame threaded hole（28）；The knife box fishbolt includes horizontal clamping bolt（10）And oblique fishbolt
（11）, horizontal clamping bolt（10）Central axes and mandrel（1）Central axes between parallel, oblique fishbolt（11）Axis
Line and mandrel（1）Central axes between make an angle alpha；Knife box（5）Side mounting surface be equipped with and oblique fishbolt（11）Cooperation
Tipper（12）；The knife box（5）For trapezoidal bulk, bottom mounting surface includes horizontal bottom and ramped bottom surface, ramped bottom surface with
Horizontal plane has angle β, ramped bottom surface and horizontal clamping bolt（10）It abuts；The edge of a knife（6）End be equipped with straight slot（23）, bottom
Puller bolt（9）Stretch into straight slot（23）It is internal；Knife box（5）It is equipped on two neighboring side mounting surface and side puller bolt（8）
Matched threaded hole.
2. a kind of boring head according to claim 1, it is characterised in that：The angle α is 50 ° -70 °.
3. a kind of boring head according to claim 1, it is characterised in that：The rolling component includes raceway（13）, retainer
（14）, roller（15）, spacer（16）And adjusting pad（17）；Raceway（13）It is set in mandrel（1）On, retainer（14）It is set in rolling
Road（13）Outside, retainer（14）Upper edge mandrel（1）It is axially uniform be equipped with several circle rollers（15）, retainer（14）Outside
Equipped with catch（18）, raceway（13）It is equipped with several circles and roller（15）Width it is matched and positioned at roller（15）Lower right
Slot rolling（19）；Raceway（13）Left side and knife box frame（2）Contact, right side are equipped with spacer（16）, spacer（16）Right side and bearing holder (housing, cover)
（3）Contact；Retainer（14）Left side and knife box frame（2）Contact, right side are equipped with detachable adjusting pad（17）, adjusting pad（17）'s
Right side and thrust ball bearing（4）Contact.
4. a kind of boring head according to claim 3, it is characterised in that：The roller（15）Equipped with two circles, slot rolling（19）
It is correspondingly provided with two circles.
5. a kind of boring head according to claim 1, it is characterised in that：The thrust ball bearing（4）It is additionally provided with inside right side
Red copper pad（22）.
6. a kind of boring head according to claim 1, it is characterised in that：The angle β is 5 ° -7 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983679.5A CN105458314B (en) | 2015-12-24 | 2015-12-24 | A kind of boring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983679.5A CN105458314B (en) | 2015-12-24 | 2015-12-24 | A kind of boring head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105458314A CN105458314A (en) | 2016-04-06 |
| CN105458314B true CN105458314B (en) | 2018-06-12 |
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ID=55596716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510983679.5A Active CN105458314B (en) | 2015-12-24 | 2015-12-24 | A kind of boring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105458314B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480041B (en) * | 2018-05-15 | 2024-06-14 | 西安西玛电机有限公司 | One-knife turning device for motor flange end cover |
| CN110480268B (en) * | 2019-08-21 | 2020-10-30 | 中原内配集团安徽有限责任公司 | High-silicon aluminum alloy powder rolling method |
| CN113909511B (en) * | 2021-10-20 | 2022-10-11 | 重庆铁马专用车有限公司 | Boring and rolling integrated combined boring head |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006025812B3 (en) * | 2006-05-31 | 2007-10-18 | Ejp Maschinen Gmbh | Striper for machining rod/tube shaped workpieces, has relative motion unit with gear comprising cover and holder drive pinions, and control unit controlling axial displacement of gear shaft relative to feed cover and/or workpiece holder |
| CN101091995B (en) * | 2006-06-23 | 2012-05-23 | 德州德隆(集团)机床有限责任公司 | Combined boring head for deep hole |
| CN201009080Y (en) * | 2007-04-09 | 2008-01-23 | 中煤北京煤矿机械有限责任公司 | Joint assembly |
| CN201376098Y (en) * | 2009-03-21 | 2010-01-06 | 山东普利森集团有限公司 | Large-scale machine clamp boring head |
| CN202356861U (en) * | 2011-10-27 | 2012-08-01 | 郑州四维机电设备制造有限公司 | Combined type bore processing tooling |
| CN204603339U (en) * | 2015-03-02 | 2015-09-02 | 四川川润液压润滑设备有限公司 | Rotating boring head |
| CN205437190U (en) * | 2015-12-24 | 2016-08-10 | 张家口第一煤矿机械有限公司 | Boring head |
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2015
- 2015-12-24 CN CN201510983679.5A patent/CN105458314B/en active Active
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| Publication number | Publication date |
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| CN105458314A (en) | 2016-04-06 |
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