CN201070783Y - Automatic tool setting mechanism of rotary shaver - Google Patents
Automatic tool setting mechanism of rotary shaver Download PDFInfo
- Publication number
- CN201070783Y CN201070783Y CNU200720023993XU CN200720023993U CN201070783Y CN 201070783 Y CN201070783 Y CN 201070783Y CN U200720023993X U CNU200720023993X U CN U200720023993XU CN 200720023993 U CN200720023993 U CN 200720023993U CN 201070783 Y CN201070783 Y CN 201070783Y
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- Prior art keywords
- cutter
- hangers
- nose bar
- cutter platform
- rotary
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Abstract
The utility model discloses an automatically toolsetting mechanism of a veneer lathe, which includes a knife platform and a nose bar frame, wherein, a nose bar is arranged at the front end of the nose bar frame, a rotary cutter is arranged at the front end of the knife platform and is matched with the nose bar. The utility model is characterized in that two knife platform suspension loop free bearings are arranged at the bottom of a nose bar seat at the rear lower part of the nose bar, a knife platform suspension loop seat is arranged at the top of the knife platform and corresponding to the knife platform suspension loop free bearings. The knife platform suspension loop seat is provided with a suspension loop which is hinged with the knife platform suspension loop free bearings to realize the connection of the knife platform and the nose bar frame.
Description
Technical field
The utility model relates to a kind of peeler, refers more particularly to the automatic toolsetting of a kind of peeler mechanism.
Background technology
That extensively adopts at present is made up of nose bar roller, bearing, bearing block center veneer lathe rolling nose bar structure, and nose bar roller two ends are provided with bearings mounted spindle nose, with bolt bearing block are fixed on the nose bar frame after three's trap.The nose bar roller contacts with the juggle outer rim and keeps certain pressure during rotary-cut, reduces juggle as much as possible to revolving the radial pressure of cutter with this, reduces to revolve the shake of cutter, and this is the necessary condition of the normal rotary-cut timber of peeler.Nose bar is to be related to the normally important technical parameter of rotary-cut of peeler to the size of the i.e. squeezing rate of squeezing degree of juggle.As shown in Figure 1, the proper cutter relief angle of revolving is meant and revolves the angle that revolves cutter plane and juggle outer rim section, point of a knife place that cutter contacts with the juggle outer rim, owing to revolve cutter point of a knife phase tool setting platform track and the dop center is contour substantially or difference is very little in the rotary-cut process, what will revolve usually that the angle that revolves cutter plane and cutter platform track vertical plane that cutter contacts with the juggle outer rim is considered as being similar to revolves the cutter relief angle, and revolving the cutter relief angle is the another important rotary cutting process parameter that is related to rotary cut venner smoothness and cutting resistance.Figure 2 shows that a kind of automatic adjusting of our factory revolves the peeler hangers structure of cutter relief angle, it has Nei Daotai, outer cutter platform, the hangers sliding sleeve, main guide rail, auxiliary guide rail, compositions such as auxiliary guide rail slide, outer cutter platform is provided with the track that slides on main guide rail, the nose bar frame that the nose bar roller is housed is fastened on the outer cutter platform, interior cutter platform is formed one by hangers sliding sleeve and outer cutter platform and is rotated the width of cloth, interior cutter platform can be done with outer cutter platform and relatively rotate, outer cutter platform moves horizontally at the promotion lower edge of feed leading screw main guide rail, in being fixed on, moves with the inside and outside cutter platform in the rotary-cut process on the cutter platform and along auxiliary guide rail while auxiliary guide rail sliding assembly, and with external mutually cutter platform dynamic change amplitude in relative rotation of cutter platform and scope in the auxiliary guide rail corner dimension decision that set and main guide rail.The feature of this hangers structure is to revolve cutter position at the standard knife up, point of a knife overlaps with the hangers centre of gyration, the interference of chuck and hangers when avoiding rotary-cut to minimum diameter, the hangers part all need be made open crescent and cause its intensity on the low side, and its complex manufacturing technology.
As shown in Figure 2, the hangers hole of the inside and outside cutter platform bore hole simultaneously that need be welded as a whole, be bumped into the hangers sliding sleeve then, hangers sliding sleeve and Nei Daotai are welded as a whole, remove the connection between the inside and outside cutter platform again, this is the manufacture craft of simplifying most of regulating at present automatically the simple structure of revolving the nose angle degree, is still the critical technological point that such peeler is made.Structure shown in Figure 2 in addition, what only regulate is the angle of revolving cutter, its knife up and cutter crack between a door and its frame crack are constant.
Because excessively emphasize the effect of rotary-cut relief angle in the existing textbook, be confined under the constant theoretical direction of being advisable of standard knife up, nearly all peeler manufacturing firm all follows the hangers centre of gyration and overlaps the constant hangers structure fixed pattern of this knife up with point of a knife.Its most hangers structural manufacturing process reasonability is structure not even not as shown in Figure 2, at least structure shown in Figure 2, it is constant that the knife up cutter is sewn in the rotary-cut process, but nose bar is still the squeezing rate of juggle and diminishes during rotary-cut, and the nose bar that still extensively adopts at present is directly fixed on the structure of cutter platform, reduce with leaning forward of cutter platform, that is the rotary-cut relief angle reduces, and causes the change of cutter seam big, and diminishing of squeezing rate speeds up, can not satisfy the rotary cutting process requirement more, need adjust nose bar at any time could normal rotary-cut.Especially the nose bar that rolls is widely adopted, and the center of rolling nose bar is higher than the point of a knife certain distance, than the contact point height of plate nose bar and juggle, adopts traditional hangers structure, and diminishing fast of squeezing rate can not be satisfied the rotary cutting process requirement more.
Summary of the invention
The utility model is at deficiency of the prior art, by the inventor further investigation of rotary cutting process theory and long-term practice test are drawn, for rotary-cut major diameter timber, suitably increase the rotary-cut relief angle and suitably reduce and revolve the knife up degree, to reducing the effect of cutting resistance, effect is consistent, also communicates in theory; Proposed to simplify greatly on a kind of structure based on this theory, the rotary cutting process performance is better regulated the hangers structure of revolving nose angle degree, height and cutter crack between a door and its frame crack automatically.
This programme is realized by following technical measures: it comprises cutter platform and nose bar frame, be provided with nose bar at nose bar frame front end, be equipped with the rotary-cut cutter at cutter platform front end and nose bar, it is characterized in that being provided with 2 cutter platform hangers free bearings in the nose bar seat bottom of the back lower place of described nose bar, the corresponding cutter platform hangers seat that is provided with cutter platform hangers free bearing at the top of cutter platform, cutter platform hangers seat is provided with the hangers that is connected with the nose bar frame with the hinged realization cutter of cutter platform hangers free bearing platform.
The concrete characteristics of this programme also have described hangers centre of gyration level back rolling nose bar center one segment distance A partially, a vertical segment distance C on the lower side, the skew of this both direction just, that is the significantly change of the pin joint relative standard knife up position of tool tip of cutter platform and nose bar frame, provide possibility for simplifying process structure, also achieved arrogant the diminishing of rotary-cut relief angle in the rotary-cut process, knife up uprises from low, the arrogant desirable rotary cutting process requirement that diminishes of cutter seam.The value of A, C should satisfy rotary-cut relief angle, knife up, the comparatively ideal rotary cutting process requirement of variation automatically of cutter seam of setting, and takes into account the convenient frame for movement designing requirement of simplifying.Its span is very wide, A
2+ C
2=R
2＞0, generally be advisable with R＞80mm, identical relief angle amplitude of variation, the big C pocket knife of A High variation is big, the cutter seam changes little; The big A pocket knife of C High variation is little, the cutter seam changes big.And traditional hangers structure cutter platform overlaps with standard knife up position of tool tip with the pin joint of nose bar frame, be A=C=0, the object of adjusting only is to revolve the cutter relief angle, and knife up, cutter seam remain unchanged, not only its rotary cutting process is undesirable, and has increased the difficulty of structure and processing technology.
Described cutter platform hangers seat is provided with cutter seam governor motion, to regulate the size in the initial cutter crack between a door and its frame of different Veneer Cutting thickness crack.Described cutter seam governor motion is a differential screw, screws in simultaneously in cutter platform hangers and the cutter platform hangers seat, therefore regulates initial cutter seam as long as rotate differential screw, has the velocity modulation characteristic.
Be provided with the initial angle adjusting part at described cutter platform rear portion, described cutter platform is connected with auxiliary guide rail by the initial angle adjusting part.Described initial angle adjusting part comprises screw rod, nut, holder, bearing pin composition.
Be provided with angle at the rear portion of auxiliary guide rail and change adjusting part.Described angle changes that adjusting part is processed with the different screw of the rotation direction screw rod different with two rotation directions by two ends and the handwheel that is connected on the screw is formed, it is very flexible to regulate the auxiliary guide rail inclination angle, and auxiliary guide rail is what to realize by the handwheel that rotates the initial angle adjusting part relative to the angle variation of main stem rail.This angle between the major-minor just guide rail has been achieved the automatic variation of the rotary-cut relief angle in the rotary-cut process, the automatic variation that has also brought knife up, cutter to stitch simultaneously
Described hangers is central has avoided traditional crescent hangers processing technology complexity for the sealing circular hole, and simplified processing process can be finished on common machining tool.
Described nose bar frame advances leading screw directly to be connected with feeding, and the cutter platform is to move under the drive of cutter chi frame, and this and traditional scheme leading screw promote the cutter platform, and the nose bar frame is fixed on the cutter platform different.Because card-less rotary cutter is to adopt three rollers to clamp tight juggle frictional drive juggle rotation rotary-cut, pressure is bigger, be equivalent to have the card-less rotary cutter list roller of center veneer lathe rolling nose bar to be fixed on the single roller seat that is equivalent to the nose bar frame, card-less rotary cutter list roller seat equally is the parts that mainly bear the juggle radial pressure in the rotary-cut process with center veneer lathe rolling nose bar frame is arranged, the radial pressure of just bearing is bigger, so the single roller seat of the direct transmission of card-less rotary cutter more conforms to its mechanical characteristic.
Described auxiliary guide rail is downward-sloping layout from back to front in the rotary-cut process, this is similar to traditional hangers structure Auxiliary Track, but effect difference, cutter crack between a door and its frame crack B diminishes automatically in this programme, position of tool tip is heightened automatically, nose bar can be accomplished constant or approximately constant to the squeezing rate of log, rotary-cut major diameter timber be need not repeatedly to regulate cutter crack between a door and its frame crack B get final product a rotary-cut to minimum diameter.The general rotary-cut diameter of 2.6m peeler is bigger at present, rotary cut venner is thinner, all adopt plate nose bar structure, the big timber that damages easily of resistance, want to use the rolling nose bar need guarantee that the relative point of a knife of rolling nose bar will move forward in the rotary-cut process, just reduce cutter crack between a door and its frame crack B to satisfy the constant rotary-cut requirement of squeezing rate, traditional structure can not guarantee this point, this programme can solve this difficult problem, becomes possibility for the 2.6m peeler successfully uses the rolling nose bar.
Description of drawings
Fig. 1 has center veneer lathe rolling nose bar structural representation in the prior art, wherein provides the rotary-cut relief angle;
Fig. 2 revolves the peeler hangers structural representation of cutter relief angle for a kind of automatic adjusting in the prior art;
Fig. 3 is the front view of the utility model hangers structure;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is an I portion amplification view among Fig. 4; Fig. 6 is an A-A view among Fig. 5;
Among the figure, 1, the nose bar frame, 2, nose bar, 3, the rotary-cut cutter, 4, cutter platform hangers free bearing, 5, cutter platform hangers, 6, cutter platform hangers seat, 7, differential screw, 8, the cutter platform, 9, auxiliary guide rail, 10, the auxiliary guide rail slide, 11, the initial angle adjusting part, 12, angle changes adjusting part, 13, main guide rail, 14, frame, 15, hinge, 16, the nose bar roller, 17, juggle, 18, clamp leading screw, 19, outer cutter platform, 20, interior cutter platform, 21, the hangers sliding sleeve, 22, main guide rail, 23, auxiliary guide rail, 24, the auxiliary guide rail slide, 25, the centre of gyration, α, the rotary-cut relief angle, β, main attached guide rail angle.
The specific embodiment
As shown in Figure 1, the proper cutter relief angle of revolving is meant and revolves the angle that revolves cutter plane and juggle outer rim section, point of a knife place that cutter contacts with the juggle outer rim, owing to revolve cutter point of a knife phase tool setting platform track and the dop center is contour substantially or difference is very little in the rotary-cut process, what will revolve usually that the angle that revolves cutter plane and cutter platform track vertical plane that cutter contacts with the juggle outer rim is considered as being similar to revolves the cutter relief angle, and revolving the cutter relief angle is the another important rotary cutting process parameter that is related to rotary cut venner smoothness and cutting resistance.
Figure 2 shows that a kind of automatic adjusting of our factory revolves the peeler hangers structure of cutter relief angle, it has interior cutter platform 20, outer cutter platform 19, hangers sliding sleeve 21, main guide rail 22, auxiliary guide rail 23, auxiliary guide rail slide 24 compositions such as grade, outer cutter platform 19 is provided with the track that slides on main guide rail 22, the nose bar frame that the nose bar roller is housed is fastened on the outer cutter platform 19, interior cutter platform 20 is formed one by hangers sliding sleeve 21 with outer cutter platform 19 and is rotated the width of cloth, interior cutter platform 20 can be done with outer cutter platform 19 and relatively rotate, outer cutter platform 19 moves horizontally at the promotion lower edge of feed leading screw main guide rail 22, auxiliary guide rail slide 24 assemblies are fixed on the interior cutter platform 20 and along auxiliary guide rail 23 and move with the inside and outside cutter platform in the rotary-cut process simultaneously, and with external mutually cutter platform 19 dynamic change amplitudes in relative rotation of cutter platform 20 and scope in the attached guide rail angle of the master with the main guide rail 22 β size decision of auxiliary guide rail 23 settings.The feature of this hangers structure is to revolve cutter position at the standard knife up, point of a knife overlaps with the hangers centre of gyration 25, the interference of chuck and hangers when avoiding rotary-cut to minimum diameter, the hangers part all need be made open crescent and cause its intensity on the low side, and its complex manufacturing technology.
As shown in Figure 2, the hangers hole of interior cutter platform 20 and the outer cutter platform 19 while bore hole that need be welded as a whole, be bumped into hangers sliding sleeve 21 then, hangers sliding sleeve 21 and interior cutter platform 20 are welded as a whole, connection in removing again between cutter platform 20 and the outer cutter platform 19, this is the manufacture craft of simplifying most of regulating at present automatically the simple structure of revolving the nose angle degree, is still the critical technological point that such peeler is made.Structure shown in Figure 2 in addition, what only regulate is the angle of revolving cutter, its knife up and cutter crack between a door and its frame crack are constant.
The nose bar frame 1 that the rolling nose bar is housed shown in Fig. 3～4 is arranged on the main guide rail 13, under the promotion of leading screw (diagram is not drawn), move, cutter platform 8 is hinged by two ends cutter platform hangers 5, cutter platform hangers seat 6 and cutter platform hangers free bearing 4 and hangs on the nose bar frame 1, and the auxiliary guide rail slide 10 that centre position, cutter platform 8 rear portion is fixed with initial angle adjusting part 11 and slip on auxiliary guide rail 9 is hinge mutually.Regulate the attached guide rail angle of the master β between auxiliary guide rail 9 and the main guide rail 13, in the rotary-cut process, revolve angle, the height of cutter and revolve cutter and the cutter crack between a door and its frame crack of nose bar 2 produces the corresponding dynamic variation automatically, the rotary cutting process requirement of vary in diameter when adapting to rotary-cut.
Shown in Fig. 5～6, cutter platform hangers 5 is placed in the cutter platform hangers seat 6, and with differential screw 7, screw in successively in the silk hole in cutter platform hangers seat 6 and the cutter platform hangers 5, cutter platform hangers 5 and cutter platform hangers seat 6 assemblies that above two covers are got togather are fixed by bolts on the ear shape plane at cutter platform 8 two ends then, and with hinge 15 cutter platform hangers 5 are hinged mutually with the cutter platform hangers free bearing 4 that is fastened on two ends, nose bar frame bottom.Nose bar frame 1 is placed on the main guide rail 13 of frame 14 both sides, cutter platform 8 hung over the nose bar frame and can rotate along hinge 15 for 1 time this moment, auxiliary guide rail 9 front ends are fixedly hinged on frame 14, the rear end changes adjusting part 12 by angle and is hinged with frame 14, its height can change adjusting part 12 by angle to be regulated, that is its gradient is adjustable.Auxiliary guide rail slide 10 is placed in the slideway of auxiliary guide rail 9, and by bearing pin and the initial angle adjusting part 11 that is fastened on cutter platform 8 rear ends middle parts hinge mutually, this mechanism's assembling finishes.
The motion of mechanism characteristic is as follows in the rotary-cut process: supposition rotary-cut wood skin thickness δ=1mm timber squeezing rate M=30%; Suppose the location parameter A=145mm C=30mm of hangers
Suppose the maximum gauge φ max=1000mm of peeler block, minimum diameter φ min=80mm
When supposing rotary-cut to φ min=80mm, the relative dop centre-height of point of a knife is H=0, rotary-cut angle α=0
Suppose that the nose bar roller diameter is that φ 70mm center is higher than chuck center 10mm
Nose bar roller and mistake point of a knife are perpendicular to the level interval B between the vertical guide of cutter platform track, that is cutter crack between a door and its frame crack
There is corresponding relation in M with the squeezing rate
B＝{[φ/2+(1-M)×δ+70/2〕
2-10
2}
1/2-φ/2-70/2
When rotary-cut diameter phi=1000mm, the substitution data get B=0.04mm
When rotary-cut diameter phi=240mm, the substitution data get B=0.38mm
When rotary-cut diameter phi=80mm, the substitution data get B=0.61mm
To keep φ 1000～φ 80 rotary-cut processes nose bar constant from above calculating to juggle squeezing rate 30%, the cutter crack between a door and its frame crack 0.61-0.04=0.57mm that need diminish,
Point of a knife and hangers centre of gyration spacing=[(145+70/2+0.04)
2-30
2]
1/2=182.52mm
Calculate this and change required cutter corner of table degree changing value Δ θ=arcCOS (180.04/182.52)-arcCOS (180.61/182.52)=1.16 °
It is 1.160 that palpus adjustment auxiliary guide rail inclination angle makes the amplitude of variation of cutter platform
Calculate the automatic changing value of knife up when satisfying above the variation
(180.04
2+30
2-180.61
2)
1/2-30＝-3.66mm
Find out from above calculating, satisfying under the situation of nose bar to timber squeezing rate unanimity, revolve the cutter relief angle and be changed to 0 ° from 1.16 °, the point of a knife height is changed to 0 from being lower than chuck 3.66mm, it is very favorable that the variation of these rotary-cut parameters once is threaded to φ 80 to the timber of rotary-cut diameter 1000mm, will be good than simple adjusting rotary-cut relief angle many, also checked this point in practice, theoretic reasonability of the present invention also is this.The rolling nose bar has reduced cutting resistance, has reduced the breakage rate of timber, has brought revolutionary progress for the nose bar structure of peeler.The present invention has solved rolling nose bar this intrinsic limitation of minimizing for timber squeezing rate own effectively, provides theoretical foundation and frame for movement pattern reliable and that simplify for the rolling nose bar is successfully applied to the 2.6m peeler.The present invention has enriched traditional rotary cutting process theory and the limitation of traditional hangers structure has been provided the change of novelty, no matter be quality and the efficient that improves rotary-cut, all be very favorable, in addition corresponding rotary-cut relief angle, the knife up of the value of location parameter A, the C at cutter platform hangers hinge center size, the cutter seam changes will be different.Identical relief angle situation of change, C value become big, and cutter seam amplitude of variation increases, and knife up changes and reduces; It is big that the A value becomes, and cutter seam amplitude of variation reduces, and it is big that the knife up amplitude of variation becomes; The cooperation of A, C can be with different best rotary cutting process requirements such as the different type of machines ranges of work, and its best fit value is difference to some extent, can grasp flexibly.
Claims (9)
1. the automatic toolsetting of peeler mechanism, it comprises cutter platform and nose bar frame, be provided with nose bar at nose bar frame front end, be equipped with the rotary-cut cutter at cutter platform front end and nose bar, it is characterized in that being provided with 2 cutter platform hangers free bearings in the nose bar seat bottom of the back lower place of described nose bar, the corresponding cutter platform hangers seat that is provided with cutter platform hangers free bearing at the top of cutter platform, cutter platform hangers seat is provided with the hangers that is connected with the nose bar frame with the hinged realization cutter of cutter platform hangers free bearing platform.
2. the automatic toolsetting of peeler according to claim 1 mechanism is characterized in that described hangers centre of gyration level back rolling nose bar center one segment distance A partially, a vertical segment distance C on the lower side, A
2+ C
2=R
2, R＞80mm.
3. the automatic toolsetting of peeler according to claim 1 mechanism is characterized in that described cutter platform hangers seat is provided with cutter seam governor motion.
4. the automatic toolsetting of peeler according to claim 3 mechanism is characterized in that described cutter seam governor motion is for screwing in the differential screw in cutter platform hangers and the cutter platform hangers seat simultaneously.
5. according to claim 1 or 2 or the 3 or 4 automatic toolsetting of described peeler mechanisms, it is characterized in that being provided with the initial angle adjusting part at described cutter platform rear portion, described cutter platform is connected with auxiliary guide rail by the initial angle adjusting part.
6. according to claim 1 or 2 or the 3 or 4 automatic toolsetting of described peeler mechanisms, it is characterized in that being provided with angle at the rear portion of auxiliary guide rail changes adjusting part.
7. the automatic toolsetting of peeler according to claim 6 mechanism is characterized in that described angle changes that adjusting part is processed with the different screw of the rotation direction screw rod different with two rotation directions by two ends and the handwheel that is connected on the screw is formed.
8. the automatic toolsetting of peeler according to claim 1 mechanism is characterized in that described hangers is central for sealing circular hole.
9. the automatic toolsetting of peeler according to claim 1 mechanism is characterized in that described nose bar frame and feeding advance leading screw directly to be connected, and described auxiliary guide rail is downward-sloping layout from back to front in the rotary-cut process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720023993XU CN201070783Y (en) | 2007-06-25 | 2007-06-25 | Automatic tool setting mechanism of rotary shaver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720023993XU CN201070783Y (en) | 2007-06-25 | 2007-06-25 | Automatic tool setting mechanism of rotary shaver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201070783Y true CN201070783Y (en) | 2008-06-11 |
Family
ID=39549340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720023993XU Expired - Fee Related CN201070783Y (en) | 2007-06-25 | 2007-06-25 | Automatic tool setting mechanism of rotary shaver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201070783Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873111A (en) * | 2020-07-23 | 2020-11-03 | 山东金轮机械制造有限公司 | Knife gap adjusting method and system |
-
2007
- 2007-06-25 CN CNU200720023993XU patent/CN201070783Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873111A (en) * | 2020-07-23 | 2020-11-03 | 山东金轮机械制造有限公司 | Knife gap adjusting method and system |
| CN111873111B (en) * | 2020-07-23 | 2021-05-25 | 山东金轮机械制造有限公司 | Knife gap adjusting method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080611 Termination date: 20120625 |