CN102554354B - Reamer for machining - Google Patents
Reamer for machining Download PDFInfo
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- CN102554354B CN102554354B CN201110420612.2A CN201110420612A CN102554354B CN 102554354 B CN102554354 B CN 102554354B CN 201110420612 A CN201110420612 A CN 201110420612A CN 102554354 B CN102554354 B CN 102554354B
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- blade
- knife bar
- reamer
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- backstop
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Abstract
The invention discloses a reamer for machining. The reamer comprises a toolbar extending along the front -back direction; at least one blade extending along the front-back direction is assembled on the outer circumferential surface at the front end of the toolbar; the blade is assembled on the toolbar in an independently movable adjustable mode through a connecting mechanism arranged between the blade and a cutter body; the connecting mechanism consists of at least two isometric oscillating bars which are parallelly arranged and oscillate synchronously; one end of each oscillating bar is hinged with the toolbar, and the other end of each oscillating bar is hinged with the blade; a locking positioning device for positioning the blade in the front-back direction after the blade is moved and regulated to ensure that a distance between a cutting edge and the central axis of the toolbar meets a machining requirement is arranged between the toolbar and the blade; and the locking positioning device comprises positioning check blocks assembled on the toolbar in an adjustable mode along the front-back direction. The toolbar, the blade and the two oscillating bars form a parallelogram four-bar linkage, and the distance between the cutting edge on the blade and the central axis of the toolbar is adjustable, so that the machining radius of the reamer is regulated.
Description
Technical field
The invention belongs to Machining Technology field, be specifically related to a kind of reamer for machining.
Background technology
In the time that hole part is carried out to machined, often can run into aperture size is decimal; and dimensional accuracy and roughness require again when higher; the reamers that adopt carry out fine finishining to hole more; in existing reamer structure, comprise the knife bar axially extending along fore-and-aft direction; on knife bar outer peripheral face, be provided with one or more blades that are straight sword structure, the blade on blade is the radius of machining of reamer to the distance of knife bar central axis.And because aperture size is decimal, Gu reamer mostly is nonstandard reamer, but nonstandard reamer buying is difficult, cost is high again.And reamer cannot regrinding after wearing and tearing, be the mach difficult problem of puzzlement always, for this reason, need to develop a kind of can adjust the processing diameter of reamer larger.
Summary of the invention
The object of the present invention is to provide a kind of adjustable reamer for machining of diameter of processing, aperture size is added to the higher technical problem of processing cost in man-hour as the hole of decimal to solve employing reamer of the prior art.
For achieving the above object, reamer for machining provided by the present invention adopts following technical scheme: a kind of reamer for machining, comprise the knife bar extending along fore-and-aft direction, on knife bar front end outer peripheral face, be equipped with the blade that at least one extends along fore-and-aft direction, it is characterized in that: described blade is by being arranged on independent movable adjustable being assemblied on knife bar of bindiny mechanism between blade and cutter hub, described bindiny mechanism is made up of at least two isometric forks that be arranged in parallel and synchronously swing, one end and the knife bar of fork are hinged, the other end is hinged with blade, at the locking positioning device being also provided with between knife bar and blade for location before and after carrying out for blade on fore-and-aft direction after the distance of adjusting to blade and knife bar central axis when blade moving is met to processing request, this locking positioning device comprises and adjustablely along fore-and-aft direction position is assemblied in the position block on knife bar.
Described position block comprises the positive stop that is positioned at blade front while use and the backstop that is positioned at blade rear, forward and backward block moves and is assemblied on knife bar along fore-and-aft direction, forward and backward block is fixed on to the locking mechanism on knife bar being also provided with between knife bar and forward and backward block for moving at forward and backward block after adjusting to the right place.
Between described positive stop and/or backstop and blade, be also provided with the gland being pressed on blade for pushing up, upwards leave the chip area that along fore-and-aft direction extend corresponding with the front end of described blade gland week.
Described forward and backward block is that corresponding spiral is assemblied in the forward and backward nut on knife bar, and the locking mechanism between described knife bar and forward and backward block is corresponding internal thread on the external screw thread that is provided with of knife bar outer peripheral face that corresponding spiral coordinates and forward and backward nut.
Upwards be provided with the installation step extending along fore-and-aft direction for blade is installed described knife bar week, on the step surface of installation step, offer the screwed hole for assembling fork, spiral assembling twisted axis in screwed hole, the one end being hinged with knife bar on described fork is sleeved on twisted axis.
Described twisted axis is to realize blade at described position block, behind the location of fore-and-aft direction, fork is fixed on to bolt or the bolt structure on knife bar.
One end being hinged with blade of described fork convexes with jointed shaft, is provided with and the corresponding hinge hole being rotatably assorted of jointed shaft on fork on blade.
The invention has the beneficial effects as follows: reamer for machining provided by the present invention is assemblied in activity adjustable blade on knife bar by the bindiny mechanism between knife bar and blade on the front end outer peripheral face of knife bar, this bindiny mechanism is made up of at least two isometric forks that be arranged in parallel and synchronously swing, one end and the knife bar of fork are hinged, the other end is hinged with blade, like this can be according to processing request, drive blade moving to adjust blade upper knife edge to the distance between the central axis of knife bar, make the radius of machining of reamer meet the requirement of pore size, and the distance of adjusting to blade and knife bar central axis when blade moving meets after processing request, the locking positioning device being made up of the position block being assemblied on knife bar is realized the location on the fore-and-aft direction of blade, can make like this blade upper knife edge in use can not change to the distance between knife bar central axis, the radius of machining that ensures reamer is constant, ensure machining accuracy.Reamer provided by the present invention adopts fork to connect knife bar and blade, the four-bar linkage structure of knife bar, blade and two fork composition parallelograms, like this, when blade moves along fore-and-aft direction, blade on blade changes to the distance of knife bar central axis thereupon, thereby realize the adjustment to reamer radius of machining, even if when processing aperture is of a size of decimal, processing cost is also lower.And after reamer wearing and tearing, can carry out regrinding to blade, after regrinding, adjusting size can continue to use, and extends the service life of reamer.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of reamer for machining provided by the present invention;
Fig. 2 is the A-A place cutaway view of Fig. 1;
Fig. 3 is that E in Fig. 1 is to view;
Fig. 4 is the structural representation of knife bar in Fig. 1;
Fig. 5 is the B-B place cutaway view in Fig. 4;
Fig. 6 is the C-C place cutaway view in Fig. 4;
Fig. 7 is that F in Fig. 6 is to view;
Fig. 8 is the structural representation of gland in Fig. 1;
Fig. 9 is the left side view of Fig. 8;
Figure 10 is the structural representation of fork in Fig. 1;
Figure 11 is the four-bar linkage structure of the parallelogram in Fig. 1 operating principle schematic diagram in the time of a certain position;
Figure 12 is the four-bar linkage structure of the parallelogram in Fig. 1 operating principle schematic diagram in the time of another one position.
Detailed description of the invention
As shown in Figure 1 to 11, a kind of embodiment of reamer for machining, reamer for machining in this embodiment comprises the knife bar 7 extending along fore-and-aft direction, on the front end outer peripheral face of knife bar 7, offer four four installation steps 71 that extend along fore-and-aft direction of circumferential arrangement, on each installation step, be all equipped with the blade 3 that a glance fore-and-aft direction extends, blade 3 is by being assemblied in independent movable adjustable being assemblied on knife bar 7 of bindiny mechanism on installation step, bindiny mechanism is mainly made up of two isometric forks 4 that be arranged in parallel and synchronously swing, one end of fork 4 and knife bar 7 are hinged, the other end is hinged with blade 3, on the step surface of installation step 71, offer the screwed hole 72 for assembling fork, in screwed hole 72, spiral is equipped with twisted axis, the one end being hinged with knife bar on fork is sleeved on twisted axis, in the present embodiment, twisted axis is for fork being fixed on to the bolt 5 on knife bar after blade moves into place along fore-and-aft direction, also can be screw, and the one end being hinged at fork 4 and blade 3 convexes with jointed shaft 42, on blade, be provided with and the corresponding hinge hole being rotatably assorted of jointed shaft on fork, blade 3 is assemblied on knife bar 7 by fork 4, knife bar 7, two forks 4 and blade 3 form the four-bar linkage structure of parallelogram, current nut 1, when back nut 6 drives blade moving, distance L between blade on blade and the central axis of knife bar changes.For realizing the movement of blade, between knife bar 7 and blade 3, be provided with for driving the guiding mechanism of blade moving with the distance of adjustment blade and knife bar central axis, in the present embodiment, adjustment structure herein mainly comprises the gland between forward and backward nut and front nut and blade, drive blade moving by front nut 1, back nut 6, realize the adjustment of the distance of blade and knife bar central axis.And after adjusting, by the locking positioning device positioning for blade on fore-and-aft direction being arranged between knife bar and blade, locking positioning device comprises the adjustable position block that is assemblied in location before and after carrying out for blade on knife bar along fore-and-aft direction position, position block comprises the positive stop that is positioned at blade front while use and the backstop that is positioned at blade rear in an embodiment, before, backstop moves and is assemblied on knife bar along fore-and-aft direction, at knife bar and front, between backstop, be also provided with for front, after backstop moves and adjusts to the right place by front, backstop is fixed on the locking mechanism on knife bar, in the present embodiment, before, backstop is that corresponding spiral is assemblied in front nut 1 and the back nut 6 on knife bar, front, on back nut, be provided with and be convenient to manually operated reticulate pattern, at knife bar 7 and front, the locking mechanism arranging between backstop is the external screw thread that is provided with of knife bar outer peripheral face that corresponding spiral coordinates and front, corresponding internal thread on back nut, internal and external threads spiral coordinates front, back nut is fixed on knife bar.In the present embodiment, the front end face top of back nut 6 is pressed on blade, and between front nut 1 and blade, be provided with the gland 2 being sleeved on knife bar, front nut 1 pushing tow gland 2, the top, rear end of gland is pressed on blade, upwards leaving the chip area 21 that along fore-and-aft direction extend corresponding with the front end of described blade gland week, so that reamer adds the chip removal in man-hour to hole.
As shown in Figure 11 to Figure 12, formed the four-bar linkage structure of parallelogram by knife bar 7, blade 3 and two forks 4, in Figure 11, distance between blade upper knife edge and the central axis of knife bar is L, in the time that needs are adjusted, and loosening forward and backward nut, drive blade moving position extremely as shown in figure 12 by fork, now, the distance of the central axis of blade upper knife edge and knife bar is L1, thereby realizes the adjustment to reamer radius of machining.
Reamer in above-described embodiment in use, drive blade moving by front nut 1, back nut 6, under the effect of forward and backward nut, four blades can move along fore-and-aft direction, because knife bar, blade and two connecting rod composition four-bar linkage structures, the blade of such four blades also can change to the distance of the central axis of knife bar thereupon, thereby realize the adjustment to reamer processing dimension, in the time measuring distance between relative two knife-blade with survey tool and equal band processing aperture size, lock forward and backward nut, and screw bolt.
In above-described embodiment, on knife bar, assemble four blades, in other embodiments, also can assemble one or two or three blades, can also assemble four above blades, when the more than one blade of assembling is blade circumferentially can be evenly arranged around knife bar.
In above-described embodiment, guiding mechanism is made up of the forward and backward nut and the gland that form locking positioning device, the forward and backward nut of turn is to drive blade moving, in other embodiments, guiding mechanism can be also other structures, as adopt the fork that forms bindiny mechanism as guiding mechanism, drive blade moving to realize the mobile of blade by fork and adjust.
In above-described embodiment, bindiny mechanism is by being mainly made up of two forks, in other embodiments, also can be formed by more than three or three forks, each fork is arranged in parallel and synchronously swings, wherein, at least to form four-bar linkage structure by two forks and knife bar, blade, improve the Installation and adjustment effect of blade and other fork can be used as passive constraint.
In above-described embodiment, position block is mainly made up of forward and backward block, be assemblied in the forward and backward nut on knife bar and forward and backward block is spiral, forward and backward nut can, according to need to the moving along fore-and-aft direction on knife bar of actual adjustment, be fixed on knife bar by threaded engagement after adjusting to the right place.In other embodiments, positive stop or backstop can also be only set, and by the fixed connecting piece that is provided with rigidity between positive stop or backstop and blade as connecting rod, one end of connecting rod is fixed on blade, the other end is fixed on positive stop or backstop on, after blade is adjusted to the right place, realize on knife bar by positive stop or backstop are locked blade along the location on fore-and-aft direction.
In the above-described embodiments, before, backstop is corresponding to front, back nut, locking mechanism is external screw thread on knife bar and front, internal thread on back nut, in other embodiments, also can other structures, as offered the chute extending along fore-and-aft direction on knife bar, on chute, leave the structure that turns edge, the mobile slide block being equipped with the edge of a wing in chute, the edge of a wing on slide block forms block with the structure that turns edge on chute and coordinates, on positive stop or backstop, be coated with double-screw bolt, one end of double-screw bolt is fixedly connected with the slide block that described movement is assemblied in chute, the other end is by spinning on the nut on double-screw bolt and positive stop or backstop, current, after backstop is adjusted to the right place, thereby by screwing double-screw bolt top nut thru-bolt, slide block and chute are locked, realize fixing positive stop or backstop.
In the above-described embodiments, between front nut and blade, be also provided with gland, in other embodiments, also gland can be saved or increase gland between back nut and blade.
Claims (6)
1. a reamer for machining, comprise the knife bar extending along fore-and-aft direction, on knife bar front end outer peripheral face, be equipped with the blade that at least one extends along fore-and-aft direction, it is characterized in that: described blade is by being arranged on independent movable adjustable being assemblied on knife bar of bindiny mechanism between blade and cutter hub, described bindiny mechanism is made up of at least two isometric forks that be arranged in parallel and synchronously swing, one end and the knife bar of fork are hinged, the other end is hinged with blade, knife bar, the quadric chain of two forks and blade composition parallelogram, at the locking positioning device being also provided with between knife bar and blade for location before and after carrying out for blade on fore-and-aft direction after the distance of adjusting to blade and knife bar central axis when blade moving is met to processing request, this locking positioning device comprises and adjustablely along fore-and-aft direction position is assemblied in the position block on knife bar, described position block comprises the positive stop that is positioned at blade front while use and the backstop that is positioned at blade rear, positive stop, backstop moves and is assemblied on knife bar along fore-and-aft direction, positive stop, backstop drives blade to move the distance of blade and the knife bar central axis of adjusting blade along fore-and-aft direction, at knife bar and positive stop, between backstop, be provided with at positive stop, after backstop moves and adjusts to the right place by positive stop, backstop is fixed on the locking mechanism on knife bar.
2. reamer for machining according to claim 1, it is characterized in that: between described positive stop and/or backstop and blade, be also provided with the gland being pressed on blade for pushing up, upwards leave the chip area that along fore-and-aft direction extend corresponding with the front end of described blade gland week.
3. reamer for machining according to claim 1 and 2, it is characterized in that: described forward and backward block is that corresponding spiral is assemblied in the forward and backward nut on knife bar, the locking mechanism between described knife bar and forward and backward block is corresponding internal thread on the external screw thread that is provided with of knife bar outer peripheral face that corresponding spiral coordinates and forward and backward nut.
4. reamer for machining according to claim 1 and 2, it is characterized in that: be upwards provided with the installation step extending along fore-and-aft direction for blade is installed described knife bar week, on the step surface of installation step, offer the screwed hole for assembling fork, spiral assembling twisted axis in screwed hole, the one end being hinged with knife bar on described fork is sleeved on twisted axis.
5. reamer for machining according to claim 4, is characterized in that: described twisted axis is to realize blade at described position block, behind the location of fore-and-aft direction, fork is fixed on to bolt or the bolt structure on knife bar.
6. reamer for machining according to claim 4, is characterized in that: one end being hinged with blade of described fork convexes with jointed shaft, is provided with and the corresponding hinge hole being rotatably assorted of jointed shaft on fork on blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420612.2A CN102554354B (en) | 2011-12-15 | 2011-12-15 | Reamer for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420612.2A CN102554354B (en) | 2011-12-15 | 2011-12-15 | Reamer for machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102554354A CN102554354A (en) | 2012-07-11 |
| CN102554354B true CN102554354B (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110420612.2A Active CN102554354B (en) | 2011-12-15 | 2011-12-15 | Reamer for machining |
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| Country | Link |
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| CN (1) | CN102554354B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204000U (en) * | 1985-09-25 | 1986-09-10 | 国营昆仑机械厂 | Reamer with microadjustment equipment |
| CN87211979U (en) * | 1987-08-17 | 1988-10-26 | 李大春 | Adjustable diemeter mould core |
| CN201291330Y (en) * | 2008-11-11 | 2009-08-19 | 钟军 | Adjustable machine reamer |
| CN101678486A (en) * | 2007-06-20 | 2010-03-24 | 克莱斯博士玛帕精密仪器工厂两合公司 | expandable reamer |
| CN202428052U (en) * | 2011-12-15 | 2012-09-12 | 平高集团有限公司 | Machining reamer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002160124A (en) * | 2000-11-24 | 2002-06-04 | Mitsubishi Materials Corp | Throw-away type reamer |
| JP5092506B2 (en) * | 2007-04-06 | 2012-12-05 | 株式会社タンガロイ | Fine adjustment mechanism and throw-away cutting tool equipped with the same |
-
2011
- 2011-12-15 CN CN201110420612.2A patent/CN102554354B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204000U (en) * | 1985-09-25 | 1986-09-10 | 国营昆仑机械厂 | Reamer with microadjustment equipment |
| CN87211979U (en) * | 1987-08-17 | 1988-10-26 | 李大春 | Adjustable diemeter mould core |
| CN101678486A (en) * | 2007-06-20 | 2010-03-24 | 克莱斯博士玛帕精密仪器工厂两合公司 | expandable reamer |
| CN201291330Y (en) * | 2008-11-11 | 2009-08-19 | 钟军 | Adjustable machine reamer |
| CN202428052U (en) * | 2011-12-15 | 2012-09-12 | 平高集团有限公司 | Machining reamer |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2002-160124A 2002.06.04 |
| JP特开2008-254139A 2008.10.23 |
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| Publication number | Publication date |
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| CN102554354A (en) | 2012-07-11 |
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