阅读说明：本技术 一种园艺修枝剪制造用淬火后表面铁锈去除装置 (Device for removing iron rust on surface of quenched garden pruning shears for manufacturing ) 是由 冯德功 于 2021-08-07 设计创作，主要内容包括：本发明涉及园艺工具制造技术领域,且公开了一种园艺修枝剪制造用淬火后表面铁锈去除装置,包括固定箱体,所述固定箱体的内壁后侧固定连接有滑板,所述固定箱体的内壁上表面固定连接有电机,所述固定箱体的内壁底部通过轴承转动连接有第一转动杆,所述第一转动杆的外壁下侧后侧通过齿轮啮合传动连接有第二转动杆,使用时第一转动杆与第二转动杆通过齿轮啮合传动,第二转动杆会发生旋转,使橡胶带被甩动,使缓冲球会接触到从固定箱体后侧入口放进来的刀片,将刀片的下落速度进行缓冲,避免刀片伤到第二传动带,同时调整刀片进入第二传动带的角度,便于除锈,综合达到了替代人力便捷的将刀片上的锈去除的目的。(The invention relates to the technical field of gardening tool manufacturing, and discloses a quenched surface iron rust removing device for manufacturing gardening pruning shears, which comprises a fixed box body, wherein the rear side of the inner wall of the fixed box body is fixedly connected with a sliding plate, the upper surface of the inner wall of the fixed box body is fixedly connected with a motor, the bottom of the inner wall of the fixed box body is rotatably connected with a first rotating rod through a bearing, the rear side of the lower side of the outer wall of the first rotating rod is connected with a second rotating rod through gear meshing transmission, the first rotating rod and the second rotating rod are in gear meshing transmission during use, the second rotating rod can rotate to enable a rubber belt to be swung, a buffer ball can be in contact with a blade placed from an inlet at the rear side of the fixed box body to buffer the falling speed of the blade, the blade is prevented from damaging the second driving belt, the angle of the blade entering the second driving belt is adjusted at the same time, and rust removal is facilitated, comprehensively achieves the aim of conveniently removing rust on the blade instead of manpower.)

1. The utility model provides a horticulture pruning scissors makes with quenching back surface iron rust remove device, includes fixed box (1), its characterized in that: the inner wall rear side of the fixed box body (1) is fixedly connected with a sliding plate (2), the inner wall upper surface of the fixed box body (1) is fixedly connected with a motor (3), the inner wall bottom of the fixed box body (1) is rotatably connected with a first rotating rod (4) through a bearing, the outer wall lower side rear side of the first rotating rod (4) is connected with a second rotating rod (5) through a gear meshing transmission, the lower end of the second rotating rod (5) is rotatably connected with the inner wall bottom of the fixed box body (1) through a bearing, the upper end of the second rotating rod (5) penetrates through the sliding plate (2) and extends to the upper side of the sliding plate (2), the upper end of the second rotating rod (5) is provided with a buffer mechanism (6), the front side inner wall of the fixed box body (1) is rotatably connected with the upper end and the lower end of a third rotating rod (7) through a bearing, a first transmission belt (8) is sleeved on the outer wall of the first rotating rod (4) and the third rotating rod (7), the utility model discloses a rust removing device, including fixed box (1), inner wall bottom of fixed box (1) is located position fixedly connected with magnet piece (9) between third dwang (7) and first dwang (4), the outer wall of first drive belt (8) is provided with rust removing mechanism (10), the outside of rust removing mechanism (10) is provided with second drive belt (11), first drive belt (8) are connected with rust removing mechanism (10) through rust removing mechanism (10).

2. The apparatus for removing rust on the surface of quenched garden shears according to claim 1, wherein: buffer gear (6) are including fixed cover (601), stationary blade (602), second spring (603), rubber tape (604), buffering ball (605), the inner wall fixed connection of fixed cover (601) is at the outer wall upside of second dwang (5), the outside of fixed cover (601) is provided with the draw-in groove, stationary blade (602) set up inside the draw-in groove, the right side upside of stationary blade (602) and the left end fixed connection of second spring (603), the left end of rubber tape (604) and the right side middle part fixed connection of stationary blade (602), the outer wall downside of rubber tape (604) and the inner wall fixed connection of buffering ball (605).

3. The apparatus for removing rust on the surface of quenched garden shears according to claim 1, wherein: the rust removing mechanism (10) comprises a cushion block (101), a spring telescopic rod (102), a deflection mechanism (103), a first connecting block (104), a fixing rod (105), a first rotary drum (106), a rotary disc (107), a vibration bead (108), a first pull rope (109), a roller (110), a second connecting block (111), a second rotary drum (112) and a second pull rope (113), wherein the right side of the cushion block (101) is fixedly connected to the right side of the inner wall of a second transmission belt (11), the left end of the cushion block (101) is fixedly connected with the right end of the spring telescopic rod (102), the deflection mechanism (103) is arranged on the left side of the spring telescopic rod (102), the front end of the first connecting block (104) is fixedly connected to the rear side of the inner wall of the spring telescopic rod (102), the upper side of the outer wall of the rear end of the first connecting block (104) is fixedly connected with the middle of the fixing rod (105), the inner wall of the first rotary drum (106) is rotatably connected with the lower side of the fixing rod (105) through a clockwork spring, the outer wall of the first rotary drum (106) is fixedly connected with the inner wall of a rotary disc (107), the upper side of the rotary disc (107) is fixedly connected with the bottom of a vibration bead (108), the rear outer wall of the first rotary drum (106) is fixedly connected with the right end of a first pull rope (109), the left end of the first pull rope (109) is fixedly connected with the right end of the spring telescopic rod (102) by winding a roller (110), the inner wall of the roller (110) is rotationally connected with the outer wall of the rear end of the second connecting block (111) through a bearing, the front end of the second connecting block (111) is fixedly connected with the rear side of the outer wall of the spring telescopic rod (102), the inner wall of the second drum (112) is rotationally connected with the upper side of the fixed rod (105) through a clockwork spring, the outer wall of the second rotary drum (112) is fixedly connected with the left end of a second pull rope (113), the right end of the second pull rope (113) is fixedly connected to the left side of the inner wall of the second transmission belt (11).

4. The apparatus for removing rust on the surface of quenched garden shears according to claim 3, wherein: deflection mechanism (103) are including fixed cover (301), bullet pole (303), limiting plate (304), first paralysed (305), the outer wall right side fixed connection of the left side of fixed cover (301) and first drive belt (8), the inside at fixed cover (301) is pegged graft to the left end of spring telescopic link (102), the left end fixed connection of bullet pole (303) is in the inner wall right side of fixed cover (301), the rear end of bullet pole (303) and the left side fixed connection of spring telescopic link (102), the rear side fixed connection of bullet pole (303) and limiting plate (304) is run through to the front end of bullet pole (303), the rear side of limiting plate (304) is connected with bullet pole (303) through first paralysed (305).

5. The apparatus for removing rust on the surface of quenched garden shears according to claim 1, wherein: the quantity of motor (3), first dwang (4), second dwang (5), buffer gear (6), third dwang (7), first transfer tape (8), magnet piece (9) is two, two motor (3), first dwang (4), second dwang (5), buffer gear (6), third dwang (7), first transfer tape (8), magnet piece (9) distribution are on the inside left side and right side of fixed box (1).

6. The apparatus for removing rust on the surface of quenched garden shears according to claim 5, wherein: the right magnet block (9) is arranged on the front side of the inside of the right first transmission belt (8).

7. The apparatus for removing rust on the surface of quenched garden shears according to claim 1, wherein: the upper side of the fixed box body (1) is provided with a feeding hole.

Technical Field

The invention relates to the technical field of gardening tool manufacturing, in particular to a device for removing iron rust on the surface of a quenched part for manufacturing gardening pruning shears.

Background

When the gardening pruning shears are manufactured, firstly, an iron plate needs to be punched into a blade shape, then, a blade edge is forged, a layer of rust appears on the surface of the blade after forging quenching is carried out, generally, the mode of removing the layer of rust is that towels are manually erased, the method is labor-consuming, the efficiency is low, and therefore a device capable of replacing manpower to conveniently remove the rust on the blade is needed.

Disclosure of Invention

The invention aims to provide a device for removing rust on the surface of a quenched blade for manufacturing gardening pruning shears, which can replace manpower to conveniently remove the rust on the blade.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a horticulture pruning scissors is made with quenching back surface iron rust remove device, includes fixed box, the inner wall rear side fixedly connected with slide of fixed box, fixed box's inner wall upper surface fixedly connected with motor, the inner wall bottom of fixed box is rotated through the bearing and is connected with first dwang, the outer wall lower side rear side of first dwang is connected with the second dwang through the gear engagement transmission, the lower extreme of second dwang passes through the bearing and is connected with the inner wall bottom rotation of fixed box, the upper end of second dwang runs through the slide and extends to the upside of slide, the upper end of second dwang is provided with buffer gear, the front side inner wall of fixed box rotates with the lower extreme through the upper end of bearing and third dwang to be connected, first transmission area has been cup jointed with the outer wall of third dwang to first dwang, the position fixedly connected with magnet that the inner wall bottom of fixed box is located between third dwang and the first dwang The outer wall of the first transmission belt is provided with a rust removing mechanism, the outer side of the rust removing mechanism is provided with a second transmission belt, and the first transmission belt is connected with the rust removing mechanism through the rust removing mechanism.

Preferably, buffer gear is including fixed cover, stationary blade, second spring, rubber tape, buffering ball, the inner wall fixed connection of fixed cover is at the outer wall upside of second dwang, the outside of fixed cover is provided with the draw-in groove, the stationary blade sets up inside the draw-in groove, the right side upside of stationary blade and the left end fixed connection of second spring, the left end of rubber tape and the right side middle part fixed connection of stationary blade, the outer wall downside of rubber tape and the inner wall fixed connection of buffering ball.

Preferably, the derusting mechanism comprises a cushion block, a spring telescopic rod, a deflection mechanism, a first connecting block, a fixed rod, a first rotary drum, a rotary disc, a vibration bead, a first pull rope, a roller, a second connecting block, a second rotary drum and a second pull rope, wherein the right side of the cushion block is fixedly connected to the right side of the inner wall of a second transmission belt, the left end of the cushion block is fixedly connected with the right end of the spring telescopic rod, the deflection mechanism is arranged on the left side of the spring telescopic rod, the front end of the first connecting block is fixedly connected to the rear side of the inner wall of the spring telescopic rod, the upper side of the outer wall of the rear end of the first connecting block is fixedly connected with the middle part of the fixed rod, the inner wall of the first rotary drum is rotatably connected with the lower side of the fixed rod through a clockwork spring, the outer wall of the first rotary drum is fixedly connected with the inner wall of the rotary disc, the upper side of the rotary disc is fixedly connected with the bottom of the vibration bead, and the outer wall of the rear side of the first rotary drum is fixedly connected with the right end of the first pull rope, the left end of the first stay cord is fixedly connected with the right end of the spring telescopic rod in a wrap mode, the inner wall of the roller is rotatably connected with the outer wall of the rear end of the second connecting block through a bearing, the front end of the second connecting block is fixedly connected to the rear side of the outer wall of the spring telescopic rod, the inner wall of the second rotary drum is rotatably connected with the upper side of the fixing rod through a clockwork spring, the outer wall of the second rotary drum is fixedly connected with the left end of the second stay cord, and the right end of the second stay cord is fixedly connected to the left side of the inner wall of the second transmission belt.

Preferably, deflection mechanism is including fixed cover, bullet pole, limiting plate, first paralysis, the left side of fixed cover and the outer wall right side fixed connection of first drive belt, the left end of spring telescopic link is pegged graft in the inside of fixed cover, the left end fixed connection of bullet pole is on the inner wall right side of fixed cover, the rear end of bullet pole and the left side fixed connection of spring telescopic link, the rear side fixed connection of bullet pole and limiting plate is run through to the front end of bullet pole, the rear side of limiting plate is connected with the bullet pole through first paralysis.

Preferably, the quantity of motor, first dwang, second dwang, buffer gear, third dwang, first drive belt, magnet piece is two, two motor, first dwang, second dwang, buffer gear, third dwang, first drive belt, magnet piece subsection distribution are on the inside left side and the right side of fixed box.

Preferably, the right magnet block is disposed on the inner front side of the right first belt.

Preferably, the upper side of the fixed box body is provided with a feeding hole.

The invention provides a device for removing rust on the surface of a quenched part for manufacturing gardening pruning shears. The method has the following beneficial effects:

1. the first rotating rod is driven to rotate by the motor, the rotating speed of the right motor is greater than that of the left motor, the rotating speed of the right second transmission belt is greater than that of the left second transmission belt, and the outer surface of the blade is subjected to friction rust removal through the speed difference.

2. The motor provides power and reaches the effect that drives the rotation of first drive belt, place the blade into from the left opening of fixed box, the blade slides second drive belt department along the slide, drive to the right side motion by second drive belt extrusion, when moving left magnet piece department, can be attracted by the magnet piece and move left extrusion cushion and make the spring telescopic link shrink, can make the carousel roll because clockwork spring's elasticity reason is rotatory when contracting, it is rotatory to make the carousel drive vibrations pearl, simultaneously because the left second drive belt of blade extrusion, can make the second drive belt sunken, make the second stay cord by the rolling of second rotary drum, the rotatory second stay cord that can stir of vibrations pearl simultaneously, arouse the vibration of second drive belt outer wall, shake down the iron that is stained with on the second drive belt outer wall and attach, increase life and rust cleaning efficiency.

3. Because the existence of deflection mechanism makes the spring telescopic link can arouse the angle transform of elastic rod to come smooth through the corner through the left end of spring telescopic link when the turning department of third dwang and first dwang, first paralysis can make the spring telescopic link resume after the turning department with first drive belt perpendicular with the elasticity of elastic rod self, is favorable to polishing the blade.

4. Because first dwang passes through the gear engagement transmission with the second dwang, the second dwang can take place rotatoryly, makes the rubber tape by the whipping, makes the buffering ball can contact the blade of putting into from fixed box rear side entry, cushions the falling speed of blade, avoids the blade to hinder the second drive belt, adjusts the angle that the blade got into the second drive belt simultaneously, and the rust of being convenient for has comprehensively reached the convenient purpose of getting rid of the rust on the blade of replacement manpower.

Drawings

FIG. 1 is a schematic axial side perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the left side view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is an enlarged view of A in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of B in FIG. 3 according to the present invention;

FIG. 6 is an enlarged view of C in FIG. 5 according to the present invention.

In the figure: 1 fixed box body, 2 sliding plates, 3 motors, 4 first rotating rods, 5 second rotating rods, 6 buffer mechanisms, 7 third rotating rods, 8 first transmission belts, 9 magnet blocks, 10 derusting mechanisms, 11 second transmission belts, 101 cushion blocks, 102 spring telescopic rods, 103 deflection mechanisms, 104 first connecting blocks, 105 fixed rods, 106 first rotating cylinders, 107 rotating discs, 108 vibrating beads, 109 first pull ropes, 110 rollers, 111 second connecting blocks, 112 second rotating cylinders, 113 second pull ropes, 301 fixed sleeves, 302 fixed blocks, 303 elastic rods, 304 limiting plates, 305 first springs, fixed sleeves 601, 602 fixed plates, 603 second springs, 604 rubber belts and 605 buffer balls.

Detailed Description

As shown in fig. 1 to 6, the present invention provides a technical solution: a quenched surface rust removing device for manufacturing gardening pruning shears comprises a fixed box body 1, wherein a feeding hole is formed in the upper side of the fixed box body 1, a sliding plate 2 is fixedly connected to the rear side of the inner wall of the fixed box body 1, a motor 3 is fixedly connected to the upper surface of the inner wall of the fixed box body 1, a first rotating rod 4 is rotatably connected to the bottom of the inner wall of the fixed box body 1 through a bearing, a second rotating rod 5 is connected to the rear side of the lower side of the outer wall of the first rotating rod 4 through gear meshing transmission, the lower end of the second rotating rod 5 is rotatably connected with the bottom of the inner wall of the fixed box body 1 through a bearing, the upper end of the second rotating rod 5 penetrates through the sliding plate 2 and extends to the upper side of the sliding plate 2, a buffer mechanism 6 is arranged at the upper end of the second rotating rod 5, the inner wall of the front side of the fixed box body 1 is rotatably connected with the upper end and the lower end of a third rotating rod 7 through a bearing, a first transmission belt 8 is sleeved on the outer walls of the first rotating rod 4 and the third rotating rod 7, the bottom of the inner wall of the fixed box body 1 is positioned between the third rotating rod 7 and the first rotating rod 4, the number of the motors 3, the first rotating rod 4, the second rotating rod 5, the buffer mechanism 6, the third rotating rod 7, the first transmission belt 8 and the magnet blocks 9 is two, the two motors 3, the first rotating rod 4, the second rotating rod 5, the buffer mechanism 6, the third rotating rod 7, the first transmission belt 8 and the magnet blocks 9 are distributed on the left side and the right side in the fixed box body 1 in a subsection mode, the magnet block 9 on the right side is arranged on the front side in the inner portion of the first transmission belt 8 on the right side, the outer wall of the first transmission belt 8 is provided with a rust removing mechanism 10, the outer side of the rust removing mechanism 10 is provided with a second transmission belt 11, the first transmission belt 8 is connected with the rust removing mechanism 10 through the rust mechanism 10, when in use, the motor 3 provides power to enable the first rotating rod 4 to rotate, the rotating speed of the right motor 3 is greater than that of the left motor 3, so that the rotating speed of the right second transmission belt 11 is greater than that of the left second transmission belt 11, and the outer surface of the blade is rubbed to remove rust through a speed difference;

the buffer mechanism 6 comprises a fixed sleeve 601, a fixed sheet 602, a second spring 603, a rubber belt 604 and a buffer ball 605, wherein the inner wall of the fixed sleeve 601 is fixedly connected with the upper side of the outer wall of the second rotating rod 5, a clamping groove is arranged on the outer side of the fixed sleeve 601, the fixed sheet 602 is arranged in the clamping groove, the upper side of the right side of the fixed sheet 602 is fixedly connected with the left end of the second spring 603, the left end of the rubber belt 604 is fixedly connected with the middle part of the right side of the fixed sheet 602, the lower side of the outer wall of the rubber belt 604 is fixedly connected with the inner wall of the buffer ball 605, because the first rotating rod 4 and the second rotating rod 5 are in gear engagement transmission, the second rotating rod 5 can rotate, so that the rubber belt 604 is swung, the buffer ball 605 can contact with a blade placed from the inlet at the rear side of the fixed box body 1, the falling speed of the blade is buffered, the blade is prevented from damaging the second transmission belt 11, and the angle of the blade entering the second transmission belt 11 is adjusted, the rust removal is convenient, and the aim of conveniently removing the rust on the blade instead of manpower is comprehensively achieved;

the derusting mechanism 10 comprises a cushion block 101, a spring telescopic rod 102, a deflection mechanism 103, a first connecting block 104, a fixing rod 105, a first rotary drum 106, a rotary disc 107, a vibration bead 108, a first pull rope 109, a roller 110, a second connecting block 111, a second rotary drum 112 and a second pull rope 113, wherein the right side of the cushion block 101 is fixedly connected to the right side of the inner wall of a second transmission belt 11, the left end of the cushion block 101 is fixedly connected with the right end of the spring telescopic rod 102, the deflection mechanism 103 is arranged on the left side of the spring telescopic rod 102, the front end of the first connecting block 104 is fixedly connected to the rear side of the inner wall of the spring telescopic rod 102, the upper side of the outer wall of the rear end of the first connecting block 104 is fixedly connected with the middle part of the fixing rod 105, the inner wall of the first rotary drum 106 is rotatably connected with the lower side of the fixing rod 105 through a clockwork spring, the outer wall of the first rotary drum 106 is fixedly connected with the inner wall of the rotary disc 107, the upper side of the rotary disc 107 is fixedly connected with the bottom of the vibration bead 108, the rear outer wall of the first drum 106 is fixedly connected with the right end of the first pull rope 109, the left end of the first pull rope 109 is fixedly connected with the right end of the spring telescopic rod 102 through a roller 110 in a winding mode, the inner wall of the roller 110 is rotatably connected with the rear outer wall of the second connecting block 111 through a bearing, the front end of the second connecting block 111 is fixedly connected with the rear side of the outer wall of the spring telescopic rod 102, the inner wall of the second drum 112 is rotatably connected with the upper side of the fixed rod 105 through a clockwork spring, the outer wall of the second drum 112 is fixedly connected with the left end of the second pull rope 113, the right end of the second pull rope 113 is fixedly connected with the left side of the inner wall of the second transmission belt 11, the motor 3 provides power to drive the first transmission belt 8 to rotate, the blade is placed from the opening on the left side of the fixed box body 1, the blade slides to the second transmission belt 11 along the sliding plate 2 and is driven by the second transmission belt 11 to move to the right side, when the blade 9 on the left side is moved, will be attracted by the magnet block 9 and move left and push the cushion 101 and make the telescopic rod 102 of the spring contract, will make the rotary table 107 rotate and roll the first guy rope 109 because of the elasticity reason of the clockwork spring while contracting, make the rotary table 107 drive and shake the pearl 108 to rotate, because the blade squeezes the left second drive belt 11 at the same time, will make the second drive belt 11 cave in, make the second guy rope 113 rolled by the second tumbler 112, shake the pearl 108 to rotate and will stir the second guy rope 113 at the same time, cause the vibration of the outer wall of the second drive belt 11, shake the iron rust stained with on the outer wall of the second drive belt 11, increase life and efficiency of derusting;

the deflection mechanism 103 comprises a fixed sleeve 301, an elastic rod 303, a limit plate 304 and a first paralysis 305, wherein the left side of the fixed sleeve 301 is fixedly connected with the right side of the outer wall of the first transmission belt 8, the left end of the spring telescopic rod 102 is inserted into the fixed sleeve 301, the left end of the elastic rod 303 is fixedly connected with the right side of the inner wall of the fixed sleeve 301, the rear end of the elastic rod 303 is fixedly connected with the left side of the spring telescopic rod 102, the front end of the elastic rod 303 penetrates through the elastic rod 303 and is fixedly connected with the rear side of the limit plate 304, the rear side of the limit plate 304 is connected with the elastic rod 303 through the first paralysis 305, due to the existence of the deflection mechanism 103, the spring telescopic rod 102 can smoothly pass through a bend through the angle change of the elastic rod 303 caused by the left end of the spring telescopic rod 102 when passing through the bend of the third rotating rod 7 and the first rotating rod 4, the elastic force of the first paralysis 305 and the elastic rod 303 can make the spring telescopic rod 102 restore to be perpendicular to the first transmission belt 8 after passing through the bend, is beneficial to polishing the blade.

The working principle is as follows: when the blade is used, the motor 3 provides power to enable the first rotating rod 4 to rotate, the rotating speed of the motor 3 on the right side is larger than that of the motor 3 on the left side, the rotating speed of the second transmission belt 11 on the right side is larger than that of the second transmission belt 11 on the left side, the outer surface of the blade is rubbed and derusted through speed difference, the motor 3 provides power to achieve the effect of driving the first transmission belt 8 to rotate, the blade is placed into the opening on the left side of the fixed box body 1 and slides to the second transmission belt 11 along the sliding plate 2, the blade is extruded and driven to move to the right side through the second transmission belt 11, when the blade moves to the magnet block 9 on the left side, the blade block 101 is extruded and moved to the left side through the attraction of the magnet block 9 to enable the spring telescopic rod 102 to contract, the rotating of the rotating disc 107 can rotate due to the elastic force of the spring to wind the first pull rope 109, the rotating disc 107 drives the vibrating bead 108 to rotate, and simultaneously, the blade extrudes the second transmission belt 11 on the left side, the second transmission belt 11 can be sunk, the second pull rope 113 can be wound by the second rotary drum 112, meanwhile, the second pull rope 113 can be pulled by the rotation of the vibration bead 108, the vibration of the outer wall of the second transmission belt 11 is caused, the rust adhered to the outer wall of the second transmission belt 11 is vibrated, the service life and the rust removing efficiency are increased, the spring telescopic rod 102 can pass through the bend smoothly by causing the angle change of the elastic rod 303 through the left end of the spring telescopic rod 102 when passing through the bend of the third rotary rod 7 and the first rotary rod 4 due to the existence of the deflection mechanism 103, the spring force of the first paralysis 305 and the elastic rod 303 can enable the spring telescopic rod 102 to return to be vertical to the first transmission belt 8 after passing through the bend, the blade can be polished conveniently, the second rotary rod 5 can rotate due to the gear meshing transmission of the first rotary rod 4 and the second rotary rod 5, the rubber belt 604 can be swung, and the buffer ball 605 can contact the blade which is put from the inlet at the rear side of the fixed box body 1, cushion the falling speed of blade, avoid the blade to hinder second drive belt 11, the angle that the blade got into second drive belt 11 is adjusted simultaneously, the rust cleaning of being convenient for, it gets rid of the convenient rust with on the blade to have reached to replace the manpower synthetically, can make buffering ball 605 stall in the twinkling of an eye that buffering ball 605 runs into the blade, pulling rubber tape 604 simultaneously makes stationary blade 602 move to fixed cover 601 outside, second spring 603 contracts the buffering, reached and reduced the purpose that damages the blade, time measuring can drop before the blade moves fixed box 1, make cushion 101 reset under spring telescopic link 102's spring action, it makes carousel 107 reset to pull 1009, prepare for next work.