Reciprocal scraper surf green removal device
Technical field
The invention belongs to bamboo processing technique field, be related specifically to a kind of surf green removal device.
Background technology
The fast growth of bamboo, cheap, the daily necessities utilizing bamboo to make has good economic benefit, instead of traditional woodwork gradually.Because the surf green on bamboo surface is dense, hard, in the process of bamboo product, be unfavorable for the immersion of glue, the quality of bamboo product can be affected, therefore must get rid of surf green when the pretreatment of bamboo.It is that workman utilizes cutter to prune surf green that tradition removes 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 the waste causing 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 is removed machine and is utilized 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 is removed machine and can be alleviated hand labor intensity, but its wire brush is in the process removing surf green, inevitably on bamboo, leave cut, and the direction of cut is annular, the toughness of bamboo self will be destroyed like this, and then affect the quality of bamboo product.
Summary of the invention
The object of the invention is to propose a kind of back and forth scraper surf green removal device, this kind of surf green removal device under the prerequisite at utmost retaining bamboo toughness, can improve the operating efficiency removing surf green, reduces hand labor intensity.
Reciprocal scraper surf green removal device 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 interacted between knife rest and frame, moves back and forth in frame to enable knife rest; Described knife rest is provided with at least one group of set of blades, and include two relative blades in described set of blades, described blade is connected with knife rest by elastic hold-down mechanism, to enable to clamp with two blades in a set of blades bamboo passed between these two blades; Described frame is also provided with the position-limit mechanism for limiting bamboo position.
Use the method for this reciprocal scraper surf green removal device as follows: to be placed on by bamboo in frame, position-limit mechanism is utilized to carry out spacing to bamboo, and make one end of bamboo through set of blades, then cutter rest drive mechanism is opened, band movable knife rack moves back and forth, and because blade utilizes elastic hold-down mechanism to be connected with knife rest, blade can contact with bamboo surface all the time, like this in the process of knife rest motion, the blade of set of blades will strike off the surf green on bamboo surface.Utilize and manually pull or promote bamboo advance lentamente, and rotate bamboo while bamboo advances, blade just can touch all positions on bamboo surface, and by the surf green scraped clean on bamboo surface.Strike off in the process of surf green above-mentioned, blade is the axial reciprocating movement along bamboo, and this is consistent with the mode manually striking off surf green, the toughness of bamboo can not be caused 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, thus ensures that bamboo can not too 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 around upper axis of rotation, therefore go up fixed bar to rotate under the pulling force effect of spring, thus cutter is pressed in the overhead surface of bamboo, in like manner, bottom knife is pressed in the underlying surfaces of bamboo, the contact on blade and bamboo surface can be kept like this moment, and adapt to the bamboo of different-diameter and the irregular surface of bamboo and ring.Before striking off surf green, can utilize and manually lift fixed bar or the lower fixed bar of pressure, change the spacing of cutter and bottom knife, pass for bamboo, thus make cutter and bottom knife compress bamboo.More crucially, 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, thus ensure that in the process striking off surf green, bamboo stress equalization, can not 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 the production scene of reality, 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 proposes following cutter rest drive mechanism especially: described cutter rest drive mechanism by motor, utilize motor directly or the runner driven by transmission mechanism and connecting rod 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 will one end of drivening rod to rotate the wheel center of circle synchronous axial system 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, and described adjustable plate is arranged with several through holes along the axial direction of adjustable plate, and described first rotating shaft is installed in through hole.Select different through holes that the first rotating shaft is installed, just can change the distance in the first roller end distance runner center of circle, thus the distance that change knife rest moves back and forth.When the distance that knife rest moves back and forth is less, the shorter bamboo of length just can be adapted to, and when the distance that knife rest moves back and forth is larger, just can accelerate the efficiency of swiping, and adapting to the longer bamboo of length, people as required, can 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 under the pressure of joining monoblock and connecting rod, realize balance, and like this in the process of rotating, runner would not occur tilting, the situation of vibration.Along with the change of the first rotating shaft position, above-mentioned balancing weight also can change installed position, thus when knife rest changes the distance moved back and forth, makes runner remain balance.
Further, this reciprocal scraper surf green removal device 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, the 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, to make grid under the pulling of belt against described block; Described grid is fixed with a shift fork, the control stick of described safety switch is sandwiched in shift fork, with the power supply making safety switch be switched on or switched off motor under the control of shift fork.Push grid open when bamboo advances, grid is rotated around the axis, and grid can drive shift fork, thus stirs the control stick of safety switch, and connect the power supply of motor, motor will be with movable knife rack to move back and forth, and strikes off the surf green on bamboo surface; When bamboo advance certain distance, when the end of bamboo passes through the position at grid place, grid loses the stop of bamboo, will rotate backward under the pulling of elastic belt, and final and block offsets, in the process, grid can drive shift fork, thus 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, and the blade moved back and forth can be avoided to encounter the end of bamboo, and promptly promoted by bamboo, damage operating personnel.
Further, described guiding mechanism is made up of the guide groove be arranged in frame and the roller 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 formed restriction, knife rest can only be moved back and forth along the direction of guide groove.
Reciprocal scraper surf green removal device of the present invention changes the working method that current surf green removes machine, utilize the blade moved back and forth to simulate and manually strike off surf green, greatly can increase work efficiency, reduce hand labor intensity, and can farthest retain bamboo toughness.
Accompanying drawing explanation
Fig. 1 is the side view (clipped structure) of reciprocal scraper 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 effect and operation principle etc. of the specific embodiment of the present invention as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail.
Embodiment 1:
As shown in the figure (in figure, arrow represents the direction of advance of bamboo A), reciprocal scraper surf green removal device 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, and include two relative blades in described set of blades, described blade is connected with knife rest 2 by elastic hold-down mechanism, to enable to clamp with two blades in a set of blades bamboo passed between these two 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 go up fixed bar 25 to rotate under the pulling force effect of spring 4, thus cutter 26 is pressed in the overhead surface of bamboo A, in like manner, bottom knife 29 is pressed in the underlying surfaces of bamboo A, the contact on blade and bamboo A surface can be kept like this moment, and adapt to the bamboo A of different-diameter and the irregular surface of bamboo A and ring.Before striking off surf green, can utilize and manually lift fixed bar 25 or the lower fixed bar 28 of pressure, change the spacing of cutter 26 and bottom knife 29, pass for bamboo A, thus make cutter 26 and bottom knife 29 compress bamboo A.More crucially, the knife rest 2 of said structure can ensure the relation of cutter 26 and bottom knife 29 keeping parallelism, 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, thus ensure that in the process striking off surf green, bamboo A stress equalization, can not 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 center of circle, and 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 be 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 will one end of drivening rod 33 to rotate wheel 32 center of circle synchronous axial system when runner 32 rotates, under the effect of knife rest 2 with the guiding mechanism of frame 1, the other end of connecting rod 33 will be with movable knife rack 2 relatively frame 1 reciprocatingly move.Select different through holes 36 that first rotating shaft 37 is installed, just can change the distance in first distance runner 32 center of circle, rotating shaft 37 end, thus the distance that change knife rest 2 moves back and forth.When the distance that knife rest 2 moves back and forth is less, the bamboo A that length is shorter just can be adapted to, and when the distance that knife rest 2 moves back and forth is larger, just can accelerate the efficiency of swiping, and adapting to the longer bamboo A of length, people as required, can adjust the distance that knife rest 2 moves back and forth at any time.Along with the change of the first rotating shaft 37 position, above-mentioned balancing weight 34 also can change installed position, thus when knife rest 2 changes the distance moved back and forth, makes runner 32 remain balance.
This reciprocal scraper surf green removal device 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, the 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 angle, described frame 1 is also connected with grid 6 by elastic belt 8, to make grid 6 under the pulling of belt 8 against described block 7; Described grid 6 is fixed with a shift fork 9, the control stick 51 of described safety switch 5 is sandwiched in shift fork 9, with the power supply making safety switch 5 be switched on or switched off motor 31 under the control of shift fork 9.Bamboo A pushes grid 6 open when advancing, and grid 6 is rotated around the axis, and grid 6 can drive shift fork 9, thus stirs the control stick 51 of safety switch 5, and connect the power supply of motor 31, 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 bamboo A advance certain distance, when the end of bamboo A passes through the position at grid 6 place, grid 6 loses the stop of bamboo A, will rotate backward under the pulling of elastic belt 8, and final and block 7 offsets, in the process, grid 6 can drive shift fork 9, thus 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, and the blade moved back and forth can be avoided to encounter the end of bamboo A, and promptly promoted by bamboo A, damage operating personnel.
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 couples of bamboo A play the effect of support and guide and limit, thus ensures that bamboo A can not too depart from.
Use the method for this reciprocal scraper surf green removal device as follows: to be placed on by bamboo A in frame 1, position-limit mechanism is utilized to carry out spacing to bamboo A, and make one end of bamboo A through set of blades, then cutter rest drive mechanism 3 is opened, band movable knife rack 2 moves back and forth, and because blade utilizes elastic hold-down mechanism to be connected with knife rest 2, blade can contact with bamboo A surface all the time, like this in the process of knife rest 2 motion, 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 while bamboo A advances, blade just can touch all positions on bamboo A surface, and by the surf green scraped clean on bamboo A surface.Strike off in the process of surf green above-mentioned, blade is the axial reciprocating movement along bamboo A, and this is consistent with the mode manually striking off surf green, the toughness of bamboo A can not be caused to decline.