Back and forth strike off formula surf green removal device
Technical field
The invention belongs to bamboo processing technique field, specially refer to a kind of surf green removal device.
Background technology
The fast growth of bamboo, cheap, utilize the daily necessities that bamboo is made to there is good economic benefit, substitute gradually traditional woodwork. Because the surf green on bamboo surface is dense, hard, in the process of bamboo product, be unfavorable for the immersion of glue, can affect the quality of bamboo product, therefore in the time of the pretreatment of bamboo, must get rid of surf green. It is that workman utilizes the cutter surf green of pruning that tradition is removed the way of surf green, and not only hand labor intensity is large, efficiency is low for this way, poor stability, and is easy to cause the waste of material.
The patent No. is that the utility model patent of 200720124663.x discloses a kind of surf green removal machine, this kind of surf green removal machine utilizes feeding gear to drive bamboo to move, in moving process, utilize motor-driven wire brush to remove the surf green on bamboo surface, although this kind of surf green removed machine and can be alleviated hand labor intensity, but its wire brush is in the process of removal surf green, inevitably can on bamboo, leave cut, and the direction of cut is annular, will destroy like this toughness of bamboo self, and then affect the quality of bamboo product.
Summary of the invention
The object of the invention is to propose one and back and forth strike off formula surf green removal device, this kind of surf green removal device can at utmost retain under the prerequisite of bamboo toughness, improves the operating efficiency of removing surf green, reduces hand labor intensity.
The formula surf green removal device that back and forth strikes off of the present invention comprises frame, knife rest and cutter rest drive mechanism, and described knife rest is connected with cutter rest drive mechanism, and is provided with the guiding mechanism cooperatively interacting between knife rest and frame, so that knife rest can move back and forth in frame; Described knife rest is provided with at least one group of set of blades, includes two relative blades in described set of blades, and described blade is connected with knife rest by elastic hold-down mechanism, so that can clamp along the bamboo passing between these two blades with two blades in a set of blades; Described frame is also provided with the position-limit mechanism for limiting bamboo position.
The method that uses this back and forth to strike off formula surf green removal device is as follows: bamboo is placed in frame, utilize position-limit mechanism to carry out spacing to bamboo, and make one end of bamboo through set of blades, then open cutter rest drive mechanism, band movable knife rack moves back and forth, and is connected with knife rest because blade utilizes elastic hold-down mechanism, and blade can contact with bamboo surface all the time, in the process of knife rest motion, the blade of set of blades will strike off the surf green on bamboo surface like this. Utilize manually to pull lentamente or promote bamboo and advance, and rotate bamboo when bamboo advances, blade just can touch all positions on bamboo surface, and by the surf green scraped clean on bamboo surface. In the above-mentioned process of striking off surf green, blade is to move along the axial reciprocating of bamboo, and this is consistent with the mode of manually striking off surf green, can not cause the toughness of bamboo to decline. Above-mentioned position-limit mechanism can be the some circular holes along frame axial distribution, and bamboo can only advance in circular hole, thereby ensures that bamboo can too not depart from.
Specifically, described knife rest is provided with entablature and sill, and one end of described entablature is provided with upper fixed bar by upper rotating shaft, and fixed bar is provided with cutter, and fixed bar is connected with sill by spring; One end of described sill is provided with lower fixed bar by lower rotary shaft, and described lower fixed bar is provided with bottom knife, and described lower fixed bar is connected with entablature by spring; Described upper rotating shaft and lower rotary shaft lay respectively at the both sides of knife rest.
Because upper fixed bar is connected with sill by spring, and sill is fixed, upper fixed bar can rotate around upper rotating shaft, therefore going up fixed bar will rotate under the pulling force effect of spring, thereby cutter is pressed in to the surface, top of bamboo, in like manner, bottom knife is pressed in the surface, below of bamboo, contacting of blade and bamboo surface be can keep like this moment, and the bamboo of different-diameter and irregular surface and the ring of bamboo adapted to. Before striking off surf green, can utilize and manually lift fixed bar or depress lower fixed bar, change the spacing of cutter and bottom knife, pass for bamboo, thereby make cutter and bottom knife compress bamboo. More crucial is, the knife rest of said structure can ensure the relation of cutter and bottom knife keeping parallelism, even if the diameter of bamboo is slightly different like this, the only angle of meeting synchronous change cutter and bottom knife, and can not make to occur between cutter and bottom knife angle, thereby ensure that in the process of striking off surf green bamboo stress equalization can not be offset under the active force of blade.
Above-mentioned cutter rest drive mechanism can serve as with cylinder, the piston rod of cylinder can promote knife rest and move back and forth, but in actual production scene, the source of the gas of cylinder is not easy to obtain, and the thrust of cylinder is difficult to regulate, therefore the present invention has proposed following cutter rest drive mechanism especially: described cutter rest drive mechanism by motor, utilize motor directly or the runner and the connecting rod that drive by transmission mechanism form, described runner is installed in frame by rotating shaft; One end of described connecting rod is flexibly connected with the non-home position of runner by the first rotating shaft, and the other end of connecting rod is flexibly connected with knife rest by the second rotating shaft. Driven by motor runner rotates, and synchronously rotate in the wheel center of circle that rotates, one end that will drivening rod when runner rotates, and under the effect of the guiding mechanism of knife rest and frame, the other end of connecting rod will be with the relative frame of movable knife rack to reciprocatingly move.
Further, described runner is provided with the adjustable plate through the runner center of circle, on described adjustable plate, is arranged with several through holes along the axial direction of adjustable plate, and described the first rotating shaft is installed in through hole. Select different through holes that the first rotating shaft is installed, just can change the distance of the first roller end apart from the runner center of circle, thereby change the distance that knife rest moves back and forth. The distance moving back and forth when knife rest hour, just can adapt to the shorter bamboo of length, and the distance moving back and forth when knife rest is when larger, just can accelerate the efficiency of scraping, and adapting to the bamboo that length is grown, people can as required, adjust the distance that knife rest moves back and forth at any time.
Further, described cutter rest drive mechanism also comprises balancing weight, and described balancing weight is installed in through hole by latch, and described balancing weight and the first rotating shaft lay respectively at the two ends of adjustable plate. Balancing weight can apply certain pressure to runner, makes runner realize balance under the pressure of joining monoblock and connecting rod, and in the process of rotating, runner just there will not be the situation of inclination, vibration like this. Along with the change of the first rotating shaft position, above-mentioned balancing weight also can change installed position, thereby in the time that knife rest changes the distance moving back and forth, makes runner remain balance.
Further, this back and forth strikes off formula surf green removal device and also comprises a bamboo testing agency and safety switch, and described safety switch is connected with the power supply of motor, to control the power supply input of motor; Described bamboo testing agency comprises a grid, described grid is positioned in the course of bamboo, one side of grid is connected with frame by rotating shaft, frame is provided with the block for limiting grid rotational angle, described frame is also connected with grid by elastic belt so that grid under the pulling of belt against described block; On described grid, be fixed with a shift fork, the control stick of described safety switch is sandwiched in shift fork, so that safety switch is switched on or switched off the power supply of motor under the control of shift fork. When bamboo advances, push grid open, grid is rotated around the axis, grid can drive shift fork, thereby stirs the control stick of safety switch, connects the power supply of motor, and motor will be with movable knife rack to move back and forth, and strikes off the surf green on bamboo surface; When the bamboo certain distance that advances, when the end of bamboo passes through the position at grid place, grid loses stopping of bamboo, will under the pulling of elastic belt, rotate backward, and final and block offsets, in this process, grid can drive shift fork, thereby oppositely stir the control stick of safety switch, disconnect the power supply of motor, knife rest stops mobile. Above-mentioned bamboo testing agency coordinates with safety switch, can avoid the blade moving back and forth to encounter the end of bamboo, and bamboo is promptly promoted, and operating personnel damage.
Further, described guiding mechanism is made up of the roller that is arranged at the guide groove in frame and be located on knife rest, and described roller is movably placed in guide groove, and can move along guide groove. Guide groove can pair roller motion form restriction, knife rest can only be moved back and forth along the direction of guide groove.
The working method of back and forth striking off formula surf green removal device and changed current surf green and remove machine of the present invention, the blade that utilization moves back and forth is simulated and is manually struck off surf green, can greatly increase work efficiency, reduce hand labor intensity, and can farthest retain bamboo toughness.
Brief description of the drawings
Fig. 1 is the side view (clipped structure) that back and forth strikes off formula surf green removal device of the present invention.
Fig. 2 is the structural representation of intermediate slide of the present invention.
Fig. 3 is the structural representation of intermediate slide driving mechanism of the present invention.
Fig. 4 is the cooperation schematic diagram of bamboo testing agency and safety switch in the present invention.
Accompanying drawing indicates: 1, frame; 11, guide groove; 2, knife rest; 21, roller; 22, entablature; 23, sill; 24, upper rotating shaft; 25, upper fixed bar; 26, cutter; 27, lower rotary shaft; 28, lower fixed bar; 29, bottom knife; 3, cutter rest drive mechanism; 31, motor; 32, runner; 33, connecting rod; 34, balancing weight; 35, adjustable plate; 36, through hole; 37, the first rotating shaft; 38, the second rotating shaft; 4, spring; 5, safety switch; 51, control stick; 6, grid; 7, block; 8, belt; 9, shift fork; 10, circular hole; A, bamboo.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail as effect and the operation principle etc. of the mutual alignment between the shape of related each member, structure, each several part and annexation, each several part.
Embodiment 1:
(in figure, arrow represents the direction of advance of bamboo A) as shown in the figure, the formula surf green removal device that back and forth strikes off of the present invention comprises frame 1, knife rest 2 and cutter rest drive mechanism 3, knife rest 2 is provided with roller 21, frame 1 is provided with guide groove 11, roller 21 is movably placed in guide groove 11, and can move along guide groove 11, knife rest 2 can only be moved back and forth along the direction of guide groove 11;
Knife rest 2 is provided with at least one group of set of blades, includes two relative blades in described set of blades, and described blade is connected with knife rest 2 by elastic hold-down mechanism, so that can clamp along the bamboo passing between these two blades with two blades in a set of blades. Specifically, described knife rest 2 is provided with entablature 22 and sill 23, and one end of described entablature 22 is provided with upper fixed bar 25 by upper rotating shaft 24, and fixed bar 25 is provided with cutter 26, and fixed bar 25 is connected with sill 23 by spring 4; One end of described sill 23 is provided with lower fixed bar 28 by lower rotary shaft 27, and described lower fixed bar 28 is provided with bottom knife 29, and described lower fixed bar 28 is connected with entablature 22 by spring 4; Described upper rotating shaft 24 and lower rotary shaft 27 lay respectively at the both sides of knife rest 2.
Because upper fixed bar 25 is connected with sill 23 by spring 4, and sill 23 is fixed, upper fixed bar 25 can rotate around upper rotating shaft 24, therefore going up fixed bar 25 will rotate under the pulling force effect of spring 4, thereby cutter 26 is pressed in to the surface, top of bamboo A, in like manner, bottom knife 29 is pressed in the surface, below of bamboo A, contacting of blade and bamboo A surface be can keep like this moment, and the bamboo A of different-diameter and irregular surface and the ring of bamboo A adapted to. Before striking off surf green, can utilize and manually lift fixed bar 25 or depress lower fixed bar 28, change the spacing of cutter 26 and bottom knife 29, for bamboo, A passes, thereby makes cutter 26 and bottom knife 29 compress bamboo A. More crucial is, the knife rest 2 of said structure can ensure the relation of cutter 26 and bottom knife 29 keeping parallelisms, even if the diameter of bamboo A is slightly different like this, the only angle of meeting synchronous change cutter 26 and bottom knife 29, and can not make to occur between cutter 26 and bottom knife 29 angle, thereby ensure that in the process of striking off surf green bamboo A stress equalization can not be offset under the active force of blade.
Cutter rest drive mechanism 3 is made up of motor 31, runner 32, connecting rod 33 and balancing weight 34, and runner 32 is installed in frame 1 by rotating shaft, and motor 31 is fixed in frame 1, and drives runner 32 to rotate by driving belt; Runner 32 is provided with the adjustable plate 35 through runner 32 centers of circle, on described adjustable plate 35, is arranged with several through holes 36 along the axial direction of adjustable plate 35; Balancing weight 34 is installed in through hole 36 by latch; One end of connecting rod 33 is connected with runner 32 by the first rotating shaft 37 being installed in certain through hole 36, and the other end of connecting rod 33 is flexibly connected with knife rest 2 by the second rotating shaft 38; Described balancing weight 34 and the first rotating shaft 37 lay respectively at the two ends of adjustable plate 35.
Motor 31 drives runner 32 to rotate, and synchronously rotate in wheel 32 centers of circle that rotate, one end that will drivening rod 33 when runner 32 rotates, and under the effect of knife rest 2 and the guiding mechanism of frame 1, the other end of connecting rod 33 will be with the relative frame 1 of movable knife rack 2 to reciprocatingly move. Select different through holes 36 that the first rotating shaft 37 is installed, just can change the distance of the first rotating shaft 37 ends apart from runner 32 centers of circle, thereby change the distance that knife rest 2 moves back and forth. The distance moving back and forth when knife rest 2 hour, just can adapt to the shorter bamboo A of length, and the distance moving back and forth when knife rest 2 is when larger, just can accelerate the efficiency of scraping, and adapting to the bamboo A that length is grown, people can as required, adjust the distance that knife rest 2 moves back and forth at any time. Along with the change of the first rotating shaft 37 positions, above-mentioned balancing weight 34 also can change installed position, thereby in the time that knife rest 2 changes the distance moving back and forth, makes runner 32 remain balance.
This back and forth strikes off formula surf green removal device and also comprises a bamboo testing agency and safety switch 5, and described safety switch 5 is connected with the power supply of motor 31, to control the power supply input of motor 31; Described bamboo testing agency comprises a grid 6, described grid 6 is positioned in the course of bamboo A, one side of grid 6 is connected with frame 1 by rotating shaft, frame 1 is provided with the block 7 for limiting grid 6 rotational angles, described frame 1 is also connected with grid 6 by elastic belt 8 so that grid 6 under the pulling of belt 8 against described block 7; On described grid 6, be fixed with a shift fork 9, the control stick 51 of described safety switch 5 is sandwiched in shift fork 9, so that safety switch 5 is switched on or switched off the power supply of motor 31 under the control of shift fork 9. Bamboo A pushes grid 6 open while advancing, grid 6 is rotated around the axis, and grid 6 can drive shift fork 9, thereby stirs the control stick 51 of safety switch 5, connects the power supply of motor 31, and motor 31 will be with movable knife rack 2 to move back and forth, and strikes off the surf green on bamboo A surface; When the bamboo A certain distance that advances, when the end of bamboo A passes through the position at grid 6 places, grid 6 loses stopping of bamboo A, will under the pulling of elastic belt 8, rotate backward, and final and block 7 offsets, in this process, grid 6 can drive shift fork 9, thereby oppositely stir the control stick 51 of safety switch 5, disconnect the power supply of motor 31, knife rest 2 stops mobile. Above-mentioned bamboo testing agency coordinates with safety switch 5, can avoid the blade moving back and forth to encounter the end of bamboo A, and bamboo A is promptly promoted, and operating personnel damage.
Described frame 1 is also provided with the position-limit mechanism for limiting bamboo A position, this position-limit mechanism is the some circular holes 10 along frame 1 axial distribution, bamboo A can only advance in circular hole 10, and circular hole 10 plays the effect of support and guide and limit to bamboo A, thereby ensures that bamboo A can too not depart from.
The method that uses this back and forth to strike off formula surf green removal device is as follows: bamboo A is placed in frame 1, utilize position-limit mechanism to carry out spacing to bamboo A, and make one end of bamboo A through set of blades, then open cutter rest drive mechanism 3, band movable knife rack 2 moves back and forth, and is connected with knife rest 2 because blade utilizes elastic hold-down mechanism, and blade can contact with bamboo A surface all the time, in the process of moving at knife rest 2 like this, the blade of set of blades will strike off the surf green on bamboo A surface. Utilize manually to pull lentamente or promote bamboo A and advance, and rotate bamboo A when bamboo A advances, blade just can touch all positions on bamboo A surface, and by the surf green scraped clean on bamboo A surface. In the above-mentioned process of striking off surf green, blade is to move along the axial reciprocating of bamboo A, and this is consistent with the mode of manually striking off surf green, can not cause the toughness of bamboo A to decline.