CN103862529A - Small-diameter round log centering and clamping transmission method and device - Google Patents
Small-diameter round log centering and clamping transmission method and device Download PDFInfo
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- CN103862529A CN103862529A CN201410117269.8A CN201410117269A CN103862529A CN 103862529 A CN103862529 A CN 103862529A CN 201410117269 A CN201410117269 A CN 201410117269A CN 103862529 A CN103862529 A CN 103862529A
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- round log
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Abstract
The invention provides a small-diameter round log centering and clamping transmission method and device which are used when small-diameter round logs are longitudinally machined, can center and clamp the round logs while feeding the round logs, and can improve the percentage of outturn of the small-diameter round logs. The transmission device comprises an axial drive mechanism and at least three pairs of centering rollers, wherein the axial drive mechanism drives the round logs to move in the axial direction; at least two pairs of centering rollers are in a big-end-down conical shape; at least one pair of centering rollers is in a big-end-up inverted conical shape; the two centering rollers of each pair are symmetrically distributed on the two sides of the round logs; the centering rollers are arranged on a pivot in a rotary mode; a pivot drive mechanism is arranged between a workbench and the pivot and enables the pivot to move towards the round logs and clamp the round logs between each pair of centering rollers. According to the transmission method, the axial drive mechanism drives the round logs to move in the axial direction, and at the same time, the round logs are centered and clamped in the axial direction of the round logs through at least two pairs of conical centering rollers and at least one pair of inverted conical centering rollers.
Description
Technical field
The centering that this technology relates in a kind of path round log process clamps drive method and device thereof, processes special method and the device thereof of use in particular for the small diameter grade round log of diameter 50-200mm, belongs to wood processing machinery field.
Background technology
Round log processing is the matter of utmost importance that wood working industry must solve.Carry out, in round log ripping process, need to first round log centering being fixedly clamped at employing band saw or circular sawing machine.In current round log machining tool (slasher, band sawing machine sport car etc.), conventionally adopt V-type guide groove (plate), cone roller (transverse horizontal or vertical vertical symmetry are arranged) to carry out centering location.These centering method of clamping are very effective for round log more than 200mm (section).But the problems such as for the small diameter grade round log of diameter 50-200mm, taperingness is large, sag is large, knot is many owing to existing, the ratio of dying for the sake of honour height, outer table skeleton more complicated, linearity, cylindricity are all poor.Meanwhile, and footpath level log is compared greatly, and small diameter grade round log also exists lightweight feature, can not utilize deadweight to be fixed in process.Therefore, adopt simple cone roller (horizontal or perpendicular), V-type guide groove to position, effect is poor, cannot obtain higher volume recovery.
Technology contents
The object of this technology is to provide a kind of small diameter grade round log that is suitable for and longitudinally adds small diameter grade round log centering clamping driving apparatus that used man-hour, that can round log centering in feeding be clamped, be improved small diameter grade timber volume recovery.
The small diameter grade round log centering clamping driving apparatus of this technology, it comprises and is arranged on workbench, is positioned at round log below, axial actuating mechanism for driving round log to move vertically; It also comprises at least three pairs of centring rolls; Wherein at least two pairs of centring rolls are up-small and down-big regular conicals, and at least one pair of centring roll is up big and down small turbination; Two centring rolls in every pair of centring roll are symmetrically distributed in the both sides of round log; Each centring roll rotates and is arranged on pivot; Between workbench and pivot, be provided with and make pivot move and round log is clamped in to the pivot driving mechanism between every pair of centring roll to round log.
The beneficial effect of this small diameter grade round log centering clamping driving apparatus: axial actuating mechanism drives the feeding of path round log, through at least three pairs of centring rolls, wherein at least two pairs of centring rolls are up-small and down-big regular conicals, and at least one pair of centring roll is up big and down small turbination.Two pairs of regular conical centring rolls are longitudinally two one lines along round log to be arranged, and is conducive to placement, adjustment and the feeding of round log, and centring roll, under the effect of pivot driving mechanism, is radially being exerted pressure to round log, realizes the pre-centering of round log; And can stuck round log, be conducive to the efficient operation of axial actuating mechanism.During through turbination centring roll, centring roll, under the effect of pivot driving mechanism, is radially being exerted pressure to round log, because turbination centring roll is up big and down small, so it produces a downward lower component and the side component to side direction to round log.Lower component is pressed on axial actuating mechanism round log, and side component makes round log be clamped by centering, bending round log is had to certain straightening function simultaneously.So just improve that taperingness is large, sag is large, outer table skeleton more complicated, linearity, all volume recoveries of poor small diameter grade round log of cylindricity.
Above-mentioned small diameter grade round log centering clamping driving apparatus, taking round log moving direction as front, a pair of turbination centring roll is positioned at other front to centring roll, can make so effectively to clamp after round log centering.Best, the tapering that is positioned at the turbination centring roll in front is greater than other tapering to centring roll.Preferably, centring roll always has three pairs, and a pair of centring roll is turbination centring roll, and other two pairs of centring rolls are regular conical centring roll.The tapering of turbination centring roll is 45 ° ± 1 °; The tapering of regular conical centring roll is 30 ° ± 1 °.
Above-mentioned small diameter grade round log centering clamping driving apparatus, pivot driving mechanism comprises rotating two forks on workbench, two cranks, driving element is set; Two pivots installing in every pair of centring roll are connected with two forks are eccentric respectively; Two cranks are connected with two forks are eccentric respectively; Two centring rolls, two cranks in two forks, a pair of centring roll are all symmetrical arranged with round log axis; Between two cranks, be connected with driving element; Driving element drives two forks to swing by crank, swings and makes two centring rolls clamp round log with fork with eccentric two pivots that are connected of two forks.Such pivot driving mechanism, because centring roll swings taking fork as axis, at round log when passing through between two centring rolls, can not cause larger resistance to the movement of round log, drive two forks to swing with a driving element simultaneously, can prevent that two centring rolls from dividing force unbalance to round log side, reliable realization clamps the centering of round log.Described driving element is spring, oil cylinder or cylinder.
Above-mentioned small diameter grade round log centering clamping driving apparatus, axial actuating mechanism is chain drive mechanism or tape drive mechanism.
This technology provides a kind of small diameter grade round log that is suitable for longitudinally to add small diameter grade round log centering clamping drive method that used man-hour, that can round log centering in feeding be clamped, be improved small diameter grade timber volume recovery simultaneously.
This small diameter grade round log centering clamps drive method, when axial actuating mechanism drives the round log being placed on it to move vertically, radially round log is carried out to centering clamping by least three pairs of centring rolls along round log; Every pair of centring roll comprises two rotary, to be positioned at round log both sides centring rolls; Wherein at least two pairs of centring rolls are up-small and down-big regular conicals, and at least one pair of centring roll is up big and down small turbination.
This small diameter grade round log centering clamps the beneficial effect of drive method: at least two pairs of up-small and down-big regular conical centring rolls radially carry out pre-centering to round log along round log.At least one pair of up big and down small turbination centring roll radially carries out centering and clamping to round log along round log.Arrange owing to having adopted at least two pairs of up-small and down-big regular conical centring rolls to be longitudinally two one lines along round log, be conducive to placement, adjustment and the feeding of round log, centring roll, under the effect of pivot driving mechanism, is radially being exerted pressure to round log, realizes the pre-centering of round log; And can stuck round log, be conducive to the efficient operation of axial actuating mechanism.Be up big and down small turbination owing to having adopted at least one group of centring roll, centring roll, under the effect of pivot driving mechanism, produces a downward lower component and the side component to side direction to round log.Lower component is pressed on axial actuating mechanism round log, and side component makes round log be clamped by centering, bending round log is had to certain straightening function simultaneously.So just improve that taperingness is large, sag is large, outer table skeleton more complicated, linearity, all volume recoveries of poor small diameter grade round log of cylindricity.
Above-mentioned small diameter grade round log centering clamps drive method, and centring roll rotates and is arranged on pivot, and pivot is eccentrically set on fork, by driving fork to swing, two centring rolls is clamped round log.Because centring roll swings taking fork as axis, round log between two centring rolls by time, can not cause larger resistance to the movement of round log.
Brief description of the drawings
Fig. 1 is the structural representation of small diameter grade round log centering clamping driving apparatus along direction of feed;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the left TV structure schematic diagram of Fig. 2;
Fig. 4 is the left TV structure schematic diagram of material loading centring roll;
Fig. 5 is the left TV structure schematic diagram that compresses centring roll.
In figure, 1 round log, 2 workbench, 3 material loading centring roll pivots, 4 compress centring roll pivots, 5 driving-chains, 6 forks, 7 material loading centring rolls, 8 compress centring rolls, and 9 draw and stretch spring or synchronous gas (oil) cylinder, 10 connecting rods, 11 cranks, 12 drive sprockets, driven sprocket 13.
Detailed description of the invention
Below in conjunction with accompanying drawing, this technology is described further.
Referring to accompanying drawing 1,2 and 3, small diameter grade round log centering clamping driving apparatus is mainly made up of the three pairs of centring rolls and the driving-chain 5 that are positioned on workbench 2.The both sides of two centring roll symmetric arrays driving-chains in every pair of centring roll.Three pairs of centring rolls are arranged along direction of feed on workbench 2, and first two pairs is material loading centring roll 7, rear a pair of for compressing centring roll 8.Material loading centring roll 7 is up-small and down-big normal cone shape, and angle of taper is 30 ° ± 1 °, is convenient to round log blowing centering.Compressing centring roll 8 be up big and down small inverted cone shape, and angle of taper is 45 ° ± 1 °, also provides downward pressure ensureing round log centering when, and round log is firmly fixed on driving-chain 5 under the effect pressing down of left and right sides compression centring roll.The drive sprocket 12, the driven sprocket 13 that are arranged on workbench are walked around respectively in the two ends of driving-chain 5.
Three pairs of centring rolls are separately positioned on three pivot driving mechanisms, and three pivot driving mechanism structures are identical.The structure being now connected with a pivot driving mechanism taking a pair of centring roll describes as example.
Two centring rolls 7 rotate and are arranged on two material loading centring roll pivots 3, and two material loading centring roll pivots 3 are connected with the upper end bias of two forks 6 respectively by two connecting rods 10; Two cranks 11 are connected with the lower end bias of two forks respectively.Two centring rolls, two cranks in two connecting rods, two forks, a pair of centring roll are all symmetrical arranged with driving-chain (with round log dead in line); Between the other end of two cranks 11, be connected with extension spring or gas (oil) cylinder 9.
Extension spring or gas (oil) cylinder 9 drives two forks to swing by crank, makes to swing with fork with eccentric two pivots that are connected of two forks, and two centring rolls clamp round log.
Carry out small diameter grade round log 1 and longitudinally add man-hour, small diameter grade round log 1 is under the driving of driving-chain 5 during through two pairs of material loading centring rolls 7, material loading centring roll 7 carries out centering by round log under the stretching action of extension spring or gas (oil) cylinder 9, because material loading centring roll 7 is positive cone-shaped, facilitate round log to place, can be not stuck, be conducive to the high-speed cruising of equipment.After small diameter grade round log 1 centering, continue to enter under the driving of driving-chain 5 and compress in centring roll 8, compressing centring roll 8 is inverted cone shape, ensure round log centering under the stretching action of extension spring or gas (oil) cylinder 9 in, also provide downward pressure, under the effect that round log is pressed down at left and right sides, be firmly fixed on driving-chain 5.
Adopt this device not only to make round log centering effective, pressuring action can also be provided, simple in structure, be conducive to lathe and efficiently move, can be used for the parts on the contour added value lathe of path round log burr removing, treating selvedge or specification sawing of diameter 50-200mm, can improve timber utilization rate more than 30%.
Claims (9)
1. small diameter grade round log centering clamping driving apparatus, is characterized in that: it comprises and is arranged on workbench, is positioned at round log below, axial actuating mechanism for driving round log to move vertically; It also comprises at least three pairs of centring rolls; Wherein at least two pairs of centring rolls are up-small and down-big regular conicals, and at least one pair of centring roll is up big and down small turbination; Two centring rolls in every pair of centring roll are symmetrically distributed in the both sides of round log; Each centring roll rotates and is arranged on pivot; Between workbench and pivot, be provided with and make pivot move and round log is clamped in to the pivot driving mechanism between every pair of centring roll to round log.
2. small diameter grade round log centering clamping driving apparatus as claimed in claim 1, is characterized in that: taking round log moving direction as front, a pair of turbination centring roll is positioned at other front to centring roll.
3. small diameter grade round log centering clamping driving apparatus as claimed in claim 2, is characterized in that: the tapering that is positioned at the turbination centring roll in front is greater than other tapering to centring roll.
4. small diameter grade round log centering clamping driving apparatus as claimed in claim 3, is characterized in that: centring roll always has three pairs, and two pairs of centring rolls are regular conical centring roll, and a pair of centring roll is turbination centring roll in addition.
5. small diameter grade round log centering clamping driving apparatus as claimed in claim 4, is characterized in that: the tapering of turbination centring roll is 45 ° ± 1 °; The tapering of regular conical centring roll is 30 ° ± 1 °.
6. the small diameter grade round log centering clamping driving apparatus as described in as arbitrary in claim 1-5, is characterized in that: pivot driving mechanism comprises and rotates two forks arranging on workbench, two cranks, driving element; Two pivots installing in every pair of centring roll are connected with two forks are eccentric respectively; Two cranks are connected with two forks are eccentric respectively; Two centring rolls, two cranks in two forks, a pair of centring roll are all symmetrical arranged with round log axis; Between two cranks, be connected with driving element; Driving element drives two forks to swing by crank, swings and makes two centring rolls clamp round log with fork with eccentric two pivots that are connected of two forks.
7. small diameter grade round log centering clamping driving apparatus as claimed in claim 6, is characterized in that: driving element is spring, oil cylinder or cylinder.
8. small diameter grade round log centering clamps drive method, it is characterized in that: when axial actuating mechanism drives the round log being placed on it to move vertically, radially round log is carried out to centering clamping by least three pairs of centring rolls along round log; Every pair of centring roll comprises two rotary, to be positioned at round log both sides centring rolls; Wherein at least two pairs of centring rolls are up-small and down-big regular conicals, and at least one pair of centring roll is up big and down small turbination.
9. small diameter grade round log centering as claimed in claim 8 clamps drive method, it is characterized in that: centring roll rotates and is arranged on pivot, and pivot is eccentrically set on fork, by driving fork to swing, two centring rolls is clamped round log centering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117269.8A CN103862529A (en) | 2014-03-27 | 2014-03-27 | Small-diameter round log centering and clamping transmission method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410117269.8A CN103862529A (en) | 2014-03-27 | 2014-03-27 | Small-diameter round log centering and clamping transmission method and device |
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| CN103862529A true CN103862529A (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410117269.8A Pending CN103862529A (en) | 2014-03-27 | 2014-03-27 | Small-diameter round log centering and clamping transmission method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526783A (en) * | 2014-12-24 | 2015-04-22 | 福建长汀县元创木工机械有限公司 | Device for turning over and planing round logs and use method of device |
| CN105881891A (en) * | 2014-12-29 | 2016-08-24 | 无锡龙舜实业有限公司 | Butt joint machine for water distribution pipes |
| CN106493793A (en) * | 2016-10-17 | 2017-03-15 | 四川唯诺家私有限公司 | Reversible timber clamp system |
Citations (5)
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| US4117755A (en) * | 1977-01-13 | 1978-10-03 | Weyerhaeuser Company | Log transport and sawing system |
| CN201483582U (en) * | 2009-04-10 | 2010-05-26 | 南京林业大学 | Circular sawing machine with quarter-sawn lumber material |
| CN201566002U (en) * | 2009-12-03 | 2010-09-01 | 邵武市振华机电制造有限责任公司 | Automatic centering round log delivering device for log sawing machine |
| CN203471881U (en) * | 2013-09-17 | 2014-03-12 | 四川省奇特数控设备制造有限公司 | Round timber automatic centering conveying device |
| CN203738922U (en) * | 2014-03-27 | 2014-07-30 | 南京林业大学 | Centering and clamping transmission device for small-diameter grade logs |
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2014
- 2014-03-27 CN CN201410117269.8A patent/CN103862529A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| US4117755A (en) * | 1977-01-13 | 1978-10-03 | Weyerhaeuser Company | Log transport and sawing system |
| CN201483582U (en) * | 2009-04-10 | 2010-05-26 | 南京林业大学 | Circular sawing machine with quarter-sawn lumber material |
| CN201566002U (en) * | 2009-12-03 | 2010-09-01 | 邵武市振华机电制造有限责任公司 | Automatic centering round log delivering device for log sawing machine |
| CN203471881U (en) * | 2013-09-17 | 2014-03-12 | 四川省奇特数控设备制造有限公司 | Round timber automatic centering conveying device |
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| Title |
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| 李荣荣等: "小径级原木双侧齐边圆锯机的设计", 《林业科技开发》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526783A (en) * | 2014-12-24 | 2015-04-22 | 福建长汀县元创木工机械有限公司 | Device for turning over and planing round logs and use method of device |
| CN105881891A (en) * | 2014-12-29 | 2016-08-24 | 无锡龙舜实业有限公司 | Butt joint machine for water distribution pipes |
| CN106493793A (en) * | 2016-10-17 | 2017-03-15 | 四川唯诺家私有限公司 | Reversible timber clamp system |
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Application publication date: 20140618 |