CN87216158U - Log sheller - Google Patents

Abstract

The utility model belongs to a peeling machinery for removing bark along the circumferential surfaces of trees or logs, particularly a barker used for removing bark by a projecting peeling knife which is arranged on a roll, and the utility model comprises a support frame, a peeling device arranged on the support frame, a roller supporting device, a bar-shaped follow-up device and a milling attachment. The peeling device comprises a pair of a fast peeling roller and a slow peeling roller, and a control mechanism of the peeling rollers, which leaves out a feeding mechanism because the peeling action and the feeding action of logs can be realized by the rotating ratio of the fast peeling roller and the slow peeling roller. The utility model has the advantages of small size, high efficiency and low energy dissipation, being appropriate to logs debarking work in the industrial department for wood process, paper manufacture, tannin extract, etc.

Description

Log sheller

The utility model belongs to a kind of and removes the machinery of debarking along trees or log circumferential surface, particularly removes the peeling machine of debarking with being installed in the broach that protrudes on the round roller.

At present existing many peeling machines are as hobber, the ring-like peeling machine etc. of floating.Hobber can be shelled the bending log though float, in milling bark process, easily wooden and bark together all hobbing get off, peeling is second-rate, timber is with a toll of 8～10%, efficient is also lower.Ring-like peeling machine can only be shelled straight log, sees the ring-like peeling machine that U.S. Pat is announced for No. 4122877, it by feed arrangement, cut stripping device and drawing mechanism and form.Its feed arrangement and drawing mechanism all drive netted arc pair roller and the wooden driven voller of a pair of length and controlling organization thereof by a pair of charging and form, cutting the stripping device is made up of rotating cutter-head, bearing and bearing block, because rotating cutter-head is a location centering cutterhead, it has only length feed in the process of cutting stripping log bark, therefore can only shell straight log.Also announced a kind of ring-like peeling machine in addition for Chinese patent CN85103381 number, it is to improve on the basis of original ring-like peeling machine, original location centering cutterhead is changed into movable knife disc, cutterhead can be along slideway servo-actuated in length and breadth to any position of direction in length and breadth like this, thus peelable various complicated shape and crooked log.But, this peeling machine complex structure, equipment is huge, weighs about 12.5 tons, and the cost of this machine is higher simultaneously, and price is about 20～300,000 yuan, and power consumption is high, production efficiency is lower, therefore fails to obtain actual effective the application.

Task of the present invention is: provide a kind of simple in structure, volume is little, power consumption is low, and is with low cost, peeling efficient height, the peeling machine of timber loss lower (below 1%).

Task of the present utility model realizes in the following way: peeling machine is made up of support and apparatus for peeling off, carrying roller bracing or strutting arrangement, harm shape hunting gear, milling attachment mounted thereto, said apparatus for peeling off by a pair of fast, peeling rollers and form at a slow speed by the controlling organization that motor, reductor, driving chain constitute, they are installed in the movable vertical rotating plate respectively by bearing, bearing block and bolt and are fixed on the fixed vertical plate of support.

The carrying roller bracing or strutting arrangement is made up of leaf spring I and servo-actuated carrying roller mounted thereto, and is fixed on the support with bolt and bearing, bearing block.

Harm shape hunting gear is by leaf spring II and swing span mounted thereto, and be installed in horizontal rotating plate and vertical rotating plate on the swing span, elevating screw, follower spring, two-dimentional flap and form by the controlling organization that motor, reversing speed reducer, driving chain constitute.

Milling attachment is made up of the carriage arbor that is connected with support and three uniform bowl-type milling cutter and stage clips thereof mounted thereto.

Said a pair of fast, at a slow speed peeling rollers can by integral body circle roller and blade mounted thereto and its axis angle at 45 along the circumferential direction in the shape of a spiral the broach of line distribution form.

Said a pair of fast, at a slow speed peeling rollers also can by combination circle roller and blade mounted thereto and its axis angle at 45 along the circumferential direction in the shape of a spiral the broach of line distribution form, combination circle roller is cooperated peeling wheel, the end cap installed to form, and is connected as a whole by bolt, end cap by splined shaft and wheel core, employing dovetail groove mounted thereto with the wheel core.

Whole circle roller and broach and combination circle roller and broach can adopt the method for screw thread or welding to install, and also can adopt other industrial method that is connected and installed commonly used.

Operation principle of the present utility model is: utilize a pair of quick, the ratio of the rotation of peeling rollers is finished the peeling and feeding two big-movements of log at a slow speed, when log places fast, peeling rollers at a slow speed, in the time of in the middle of the servo-actuated carrying roller three, a space angle will be designed between quick peeling rollers and the log longitudinal center line in advance, so quick peeling rollers put on power on the log can be decomposed into the axial force parallel with the log axis and and the tangential force of log axis normal, therefore this tangential force and at a slow speed peeling rollers put under the acting in conjunction of tangential force of log, log is rotated and produce and rub the stripping effect with the hands and remove and debark, axial force then promotes log along its axis feeding, thereby replaced feed arrangement and drawing mechanism, simplified the structure.Along with peeling rollers is to the rotation peeling and the axial feed of log fast, at a slow speed, when log has rapid protruding furuncle bag or recessed wound hole, peeling rollers will be followed the tracks of the variation of log profile by harm shape hunting gear fast, and make angle and pressure between its broach and log obtain adjusting, this machine can be shelled straight log and can shell bending wood again like this.Log behind the stripping bark is through milling attachment the time, and the bowl-type milling cutter will carry out the secondary milling to the bark that log is not peeled off, improve the walnut hulling rate of log bark, thereby finish whole peeling process.

The utility model because adopt fast, the rotation ratio of peeling rollers is peeling and feeding two big-movements that power is realized log at a slow speed, feed arrangement and drawing mechanism have been saved, simplify the structure widely, have that volume is little, power consumption is low, cost is low, peeling efficient advantages of higher, its manufacturing cost only is 1/10th of a ring-like peeling machine.

Fig. 1 is a view of the present utility model.

Among the figure: 1 motor, 2 reductors, 3 peeling rollers at a slow speed, 4 driving chains, 5 quick peeling rollers, 6 vertical rotating plate set bolts, 7 vertical rotating plates, 8 horizontal rotating plates, 9 swing spans, 10 motors (on the swing span), 11 reversing speed reducers, 12 elevating screws, 13 follower springs, 14 two-dimentional flaps, 15 leaf spring II, 16 horizontal rotating plate set bolts, 17 supports, 18 carriage arbors, 19 bowl-type milling cutters, 20 leaf spring I, 21 stage clips, 22 servo-actuated carrying rollers.

Fig. 2 be fast, the structural representation of peeling rollers at a slow speed.

Among the figure: 23 wheel cores, 24 splined shafts, 25 bolts, 26 broaches, 27 peeling wheels, 28 end caps.

Most preferred embodiment of the present utility model, as shown in Figure 1 and Figure 2, peeling machine is made up of apparatus for peeling off, carrying roller bracing or strutting arrangement, harm shape hunting gear, milling attachment, said apparatus for peeling off by fast, peeling rollers (5,3) and form at a slow speed by the controlling organization that motor (2), reductor (1), driving chain (4) constitute, this fast, at a slow speed the peeling rollers size, the size identical, they are installed in movable vertical rotating plate (7) respectively by bearing, bearing block and bolt and are fixed on the fixed vertical plate of support (17).

The carrying roller bracing or strutting arrangement is made up of leaf spring I (20) and servo-actuated carrying roller (22) mounted thereto, and is fixed on the support (17) with bolt and bearing, bearing block.

Harm shape hunting gear is by leaf spring II (15) and swing span (9) mounted thereto and be installed in horizontal rotating plate (8) on the swing span (9) and vertical rotating plate (7), elevating screw (12), follower spring (13), two-dimentional flap (14) and be made up of the controlling organization of motor (10), reversing speed reducer (11), driving chain formation.

Milling attachment by and the carriage arbor (18) that is connected of support (17) and three uniform bowl-type milling cutters (19) mounted thereto and stage clip (21) thereof form.

Said a pair of quick, peeling rollers (5 at a slow speed, 3) can by integral body circle roller and blade mounted thereto and its axis angle at 45 along the circumferential direction in the shape of a spiral the broach (26) of line distribution form, also can by combination circle roller and blade mounted thereto and its axis angle at 45 along the circumferential direction in the shape of a spiral the broach (26) of line distribution form, combination circle roller is by splined shaft (24) and wheel core (32) mounted thereto, adopt dovetail groove to cooperate the peeling wheel of installing (27) with wheel core (23), end cap (28) is formed, and by bolt (25), end cap (28) connects as a whole.Whole circle roller and broach (26) and combination circle roller and broach (26) can adopt the method for screw thread or welding to install, and also can adopt other industrial method that is connected and installed commonly used.Broach (26) can adopt flat chisel shape broach, also can adopt oval broach, the drift angle of flat chisel shape broach can increase or reduce with the difference in season, usually when summer its angle less than 45 °, greater than 45 °, oval broach is used for winter more when spring, autumn, because log was endured cold back bark heavily fortified point and needed the very strong stripping power of cutting just can remove firmly winter, and oval broach has the very strong stripping power of cutting, and therefore is suitable for using winter.The angle of this ellipse broach is generally 45 °～70 °.

Claims (3)

1, a kind of peeling machine is made up of support and apparatus for peeling off, carrying roller bracing or strutting arrangement, harm shape hunting gear, milling attachment mounted thereto, and feature of the present utility model is:

(a) apparatus for peeling off by a pair of fast, peeling rollers and form at a slow speed by the controlling organization that motor, reductor, driving chain constitute.

(b) the carrying roller bracing or strutting arrangement is made up of leaf spring I and servo-actuated carrying roller mounted thereto.

(c) harm shape hunting gear is by leaf spring II and swing span mounted thereto, and be installed in horizontal rotating plate and vertical rotating plate on the swing span, elevating screw, follower spring, two-dimentional flap and form by the controlling organization that motor, reversing speed reducer, driving chain constitute.

(d) milling attachment is made up of the carriage arbor that is connected with support and three uniform bowl-type milling cutter and stage clips thereof mounted thereto.

2, peeling machine as claimed in claim 1, it is characterized in that a pair of fast, at a slow speed peeling rollers can by the round roller of integral body and blade mounted thereto and its axis angle at 45 along the circumferential direction in the shape of a spiral the broach that distributes of line form.

3, peeling machine as claimed in claim 1 or 2, it is characterized in that a pair of fast, at a slow speed peeling rollers also can by combination circle roller and blade mounted thereto and its axis angle at 45 along the circumferential direction in the shape of a spiral the broach that distributes of line forms, combination circle roller cooperates peeling wheel, the end cap of installation to form by splined shaft and wheel core, employing dovetail groove mounted thereto with the wheel core.

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