阅读说明：本技术 一种建筑原材料用加工装置 (Processing device for building raw materials ) 是由 陆克义 于 2021-08-24 设计创作，主要内容包括：本发明公开了一种建筑原材料用加工装置,涉及建筑原材料加工技术领域。该建筑原材料用加工装置包括加工台,所述加工台顶部固定有驱动电机,所述驱动电机输出轴与加工套筒一端固定,所述加工套筒另一端位于加工台顶部远离驱动电机的一端处,所述加工套筒内部被掏空。该建筑原材料用加工装置,通过在加工套筒上设置切割块可以对木材进行切割加工,从而使得木材的木制层和皮质表层之间分离,并且由于加工套筒呈转动式切割,所以加工后的木材会自然形成呈圆柱状,无需后续的成型加工,同时皮质表层上附着的木制层含量也极低,不会导致木制层的浪费现象,提高了木材加工过程中对木材木制层的利用率。(The invention discloses a processing device for building raw materials, and relates to the technical field of building raw material processing. This processingequipment for building raw and other materials includes the processing platform, processing bench top is fixed with driving motor, the driving motor output shaft is fixed with processing sleeve one end, the processing sleeve other end is located the one end department that driving motor was kept away from at processing bench top, the processing sleeve is inside to be drawn empty. This processingequipment for building raw and other materials can carry out cutting process to timber through set up the cutting piece on the processing sleeve to make separation between ligneous wooden layer and the cortex top layer, and because the processing sleeve is the rotary type cutting, so timber after the processing can form naturally and be cylindricly, need not subsequent forming process, adnexed wooden layer content on the cortex top layer is also extremely low simultaneously, can not lead to the extravagant phenomenon on wooden layer, has improved the utilization ratio to wooden layer among the wood working process.)

1. A processing device for building raw materials comprises a processing table (1), and is characterized in that: the wood cutting machine is characterized in that a driving motor (2) is fixed to the top of the processing table (1), an output shaft of the driving motor (2) is fixed to one end of a processing sleeve (3), the other end of the processing sleeve (3) is located at one end, far away from the driving motor (2), of the top of the processing table (1), the processing sleeve (3) is hollowed out, the processing sleeve (3) and one end, fixed to the output shaft of the driving motor (2), of the processing sleeve are solid, one end, far away from the driving motor (2), of the processing sleeve is open and is fixed with a plurality of cutting blocks (31) which are arranged in a circumferential array mode, one end, far away from the driving motor (2), of the processing sleeve (3) is sleeved inside a limiting sleeve (4), the bottom of the limiting sleeve (4) is fixed to the top of the processing table (1), and three groups of cutting mechanisms (5) used for cutting a wood surface layer are arranged between the limiting sleeve (4) and the processing sleeve (3), the output shaft of the driving motor (2) penetrates through the fixing ring (6), the fixing ring (6) is fixed at the top of the processing table (1), and three groups of opening mechanisms (7) used for opening the wood surface layer are arranged between the fixing ring (6) and the processing sleeve (3).

2. The processing apparatus for construction raw material as set forth in claim 1, wherein: the incision mechanism (5) comprises a movable cutter (51) and a control push bar (52), one side of the movable cutter (51) is connected with the inner wall of the limit sleeve (4) in a sliding way, the movable cutter (51) is connected with the limit sleeve (4) through an elastic piece, a gap is arranged between the other side of the movable cutter and the outer wall of the processing sleeve (3), and one side of the movable cutter (51) close to the processing sleeve (3) and one side far away from the driving motor (2) are cutting surfaces, one end of the control push bar (52) is fixed at one side of the movable cutter (51) close to the driving motor (2), the other end is positioned in the annular groove (32), the annular groove (32) is arranged on the outer wall of the processing sleeve (3), and one side of the annular groove (32) close to the driving motor (2) is fixed with three fixed driving strips (33), and two ends of each fixed driving strip (33) are in a linear arc surface shape.

3. The processing apparatus for construction raw material as set forth in claim 2, wherein: strutting mechanism (7) including central blade (71) and elasticity and strutting board (72), central blade (71) one end is fixed with solid fixed ring (6), and solid fixed ring (6) are kept away from to the other end and are the cutting plane, elasticity props up board (72) one end and central blade (71) side fixed, the other end be close to solid fixed ring (6) and central blade (71) between be equipped with the space.

4. The processing apparatus for construction raw material as set forth in claim 3, wherein: one side that movable cutter (51) was kept away from in control push away strip (52) is fixed with universal driving shaft (8) one end, universal driving shaft (8) other end is fixed with elastic connection strip (721) center department, elastic connection strip (721) both ends are fixed with the one end side that two elasticity are opened board (72) and are close to solid fixed ring (6) respectively, elastic connection strip (721) are the arc form and to keeping away from the direction protrusion of solid fixed ring (6).

5. The processing apparatus for construction raw material as set forth in claim 4, wherein: activity cutter (51) are close to one side that control pushed away strip (52) and are fixed with mounting panel (511), run through and rotate with pivot (512) between mounting panel (511) both sides by pivot (512) and be connected, pivot (512) one side is fixed through connecting rod and counter weight strip (513), and the opposite side is fixed with strip (514) one end of knocking, it is equipped with the space to knock strip (514) other end position in set up in the recess on activity cutter (51) inside and with between the recess inner wall, counter weight strip (513) push away one side contact that universal driving shaft (8) were kept away from with control strip (52), and be fixed with rebound strip (515) with counter weight strip (513) looks adaptation on mounting panel (511).

6. The processing apparatus for construction raw material as set forth in claim 4, wherein: one end is connected with elastic connection strip (721) universal driving shaft (8) and is fixed with cooperation piece (81), two concave parts have been seted up to cooperation piece (81) one side of keeping away from universal driving shaft (8), and two concave parts are corresponding with two striking strip (722) one end positions, two striking strip (722) other end and elasticity are opened board (72) and are close to the one end side of solid fixed ring (6) and fix.

Technical Field

The invention relates to the technical field of building raw material processing, in particular to a processing device for building raw materials.

Background

Construction materials are various materials used in construction works. The building materials are various in types, and are roughly divided into: inorganic materials, including metallic materials (including ferrous and non-ferrous materials) and non-metallic materials (such as natural stone, burnt earth products, cement, concrete, silicate products, etc.).

When current wood processing, need cut off ligneous cortex top layer, the cutting device on current timber cortex top layer nevertheless cuts off ligneous wooden layer easily in the course of working, leads to more wooden layer to be wasted, has certain defect.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a processing device for building raw materials, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a processing device for building raw materials comprises a processing table, wherein a driving motor is fixed at the top of the processing table, the output shaft of the driving motor is fixed with one end of the processing sleeve, the other end of the processing sleeve is positioned at one end of the top of the processing table far away from the driving motor, the processing sleeve is hollowed, one end of the processing sleeve, which is fixed with the output shaft of the driving motor, is solid, one end of the processing sleeve, which is far away from the driving motor, is open and is fixed with a plurality of cutting blocks which are arranged in a circumferential array, one end of the processing sleeve, which is far away from the driving motor, is sleeved inside the limit sleeve, the bottom of the limit sleeve is fixed at the top of the processing table, three groups of cutting mechanisms for cutting the surface layer of the wood are arranged between the limiting sleeve and the processing sleeve, the output shaft of the driving motor penetrates through a fixing ring, the fixing ring is fixed at the top of the processing table, and three groups of opening mechanisms for opening the surface layer of the wood are arranged between the fixing ring and the processing sleeve.

Preferably, the incision mechanism pushes away the strip including activity cutter and control, activity cutter one side and stop collar inner wall sliding connection, and is connected through the elastic component between activity cutter and the stop collar, is equipped with the space between opposite side and the processing sleeve outer wall, and the activity cutter is close to processing telescopic one side and keeps away from one side of driving motor and is the cutting plane, control pushes away strip one end and fixes in the one side that the activity cutter is close to driving motor, and the other end is located inside the annular groove, the annular groove is seted up at processing sleeve outer wall, and one side that the annular groove is close to driving motor is fixed with three fixed driving strips, fixed driving strip both ends all are linear arc face form.

Preferably, the opening mechanism comprises a central blade and an elastic opening plate, one end of the central blade is fixed to the fixing ring, the other end of the central blade is far away from the fixing ring and is a cutting surface, one end of the elastic opening plate is fixed to the side face of the central blade, and a gap is formed between the other end of the elastic opening plate and the central blade and close to the fixing ring.

Preferably, one side that the movable cutter was kept away from to the control pushing strip is fixed with universal driving shaft one end, the universal driving shaft other end is fixed with elastic connection strip center department, elastic connection strip both ends are fixed with two elasticity expanding plates one end side that is close to solid fixed ring respectively, elastic connection strip is the arc form and to keeping away from solid fixed ring's direction protrusion.

Preferably, the movable cutter is close to one side that the control pushed away the strip and is fixed with the mounting panel, run through and rotate with the pivot between the mounting panel both sides by the pivot and be connected, pivot one side is fixed through connecting rod and counter weight strip, and the opposite side is fixed with strip one end of knocking, the strip other end of knocking be located set up on the movable cutter the recess inside and with the recess inner wall between be equipped with the space, counter weight strip and control push away the strip and keep away from one side contact of universal driving shaft, and be fixed with the bounce-back strip with counter weight strip looks adaptation on the mounting panel.

Preferably, the universal driving shaft is connected one end with the elastic connection strip and is fixed with the cooperation piece, two concave parts have been seted up to the one side that the universal driving shaft was kept away from to the cooperation piece, and two concave parts are corresponding with two striking strip one end positions, two striking strip other end and elasticity are opened the one end side that the board is close to solid fixed ring and are fixed.

(III) advantageous effects

The invention provides a processing device for building raw materials. The method has the following beneficial effects:

(1) this processingequipment for building raw and other materials can carry out cutting process to timber through set up the cutting piece on the processing sleeve to make separation between ligneous wooden layer and the cortex top layer, and because the processing sleeve is the rotary type cutting, so timber after the processing can form naturally and be cylindricly, need not subsequent shaping processing, adnexed wooden layer content on the cortex top layer is also extremely low simultaneously, can not lead to the extravagant phenomenon on wooden layer, the utilization ratio to wooden layer in the wood working process has been improved.

(2) This processingequipment for building raw and other materials, can utilize the rotation of processing sleeve to open the hollow tube-shape timber cortex top layer under the cutting of processing sleeve through setting up movable cutter, thereby can make hollow tube-shape timber cortex top layer from processing sleeve automatic drop, need not the manual work and take off hollow tube-shape timber cortex top layer from processing sleeve, the degree of automation of the device has been improved, machining efficiency is improved, the artifical potential safety hazard that takes off hollow tube-shape timber cortex top layer and exist also can be avoided simultaneously, the device's security has been improved.

(3) This processingequipment for building raw and other materials, can strut the board through setting up elasticity and will pull open hollow tube-shape timber cortex top layer through the incision that produces behind the cutting mechanism with hollow tube-shape timber cortex top layer to make the wood working later stage play and play the promotion effect to falling on hollow tube-shape timber cortex top layer, prevent that the plant mucus between hollow tube-shape timber cortex top layer opening part both sides from producing the influence to falling on hollow tube-shape timber cortex top layer, the speed of droing on hollow tube-shape timber cortex top layer has been improved.

(4) This processingequipment for building raw and other materials, can utilize the removal that control pushed away the strip to control elasticity distraction board through setting up universal driving shaft and elastic connection strip and carry out deformation for elasticity distraction board presents the state that the developments were strutted, and elasticity distraction board also can increase the thrust of hollow tube-shape timber cortex top layer opening part both sides this moment, thereby improve the effect of strutting of elasticity distraction board to hollow tube-shape timber cortex top layer opening part, and then can further improve the effect that hollow tube-shape timber cortex top layer drops.

(5) This processingequipment for building raw and other materials can utilize the inertia of activity cutter reciprocating motion to make the strip of knocking strike the activity cutter through setting up the counter weight strip to make the activity cutter produce certain vibration, this vibration can make on the activity cutter adnexed saw-dust and plant mucus break away from, prevents that this part saw-dust and plant mucus from producing the influence to the effect of opening of activity cutter, has reduced the cleaning frequency of activity cutter.

(6) This processingequipment for building raw and other materials, can utilize elasticity to prop open the rotation of board and strike linkage shaft one end through setting up the striking strip and strike, according to the relevant principle of newton pendulum, the other end of linkage shaft can make the counter weight strip break away from the control and push away the strip, and the striking strip this moment through the linkage shaft to the power of counter weight strip and the inertial motion direction of counter weight strip this moment the same, so can break away from the control to push away the strip to the counter weight strip and play the promotion effect, and then can improve the effect of strikeing of strip to the activity cutter.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the overall multi-angle structure of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the slitting mechanism according to the present invention;

fig. 6 is a schematic structural view of the spreading mechanism of the present invention.

In the figure: 1. a processing table; 2. a drive motor; 3. processing a sleeve; 31. cutting the block; 32. an annular groove; 33. fixing the driving strip; 4. a limiting sleeve; 5. an incision mechanism; 51. a movable cutter; 511. mounting a plate; 512. a rotating shaft; 513. a weight strip; 514. knocking the strip; 515. a rebound strip; 52. controlling the push bar; 6. a fixing ring; 7. a distraction mechanism; 71. a center blade; 72. an elastic spreader plate; 721. an elastic connecting strip; 722. an impact bar; 8. a linkage shaft; 81. and (6) matching the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a processing device for building raw materials comprises a processing table 1, wherein a driving motor 2 is fixed at the top of the processing table 1, an output shaft of the driving motor 2 is fixed with one end of a processing sleeve 3, the other end of the processing sleeve 3 is positioned at one end of the top of the processing table 1, which is far away from the driving motor 2, the interior of the processing sleeve 3 is hollowed out, one end of the processing sleeve 3, which is fixed with the output shaft of the driving motor 2, is solid, one end of the processing sleeve 3, which is far away from the driving motor 2, is open and is fixed with a plurality of cutting blocks 31 which are arranged in a circumferential array, one end of the processing sleeve 3, which is far away from the driving motor 2, is sleeved inside a limiting sleeve 4, the bottom of the limiting sleeve 4 is fixed at the top of the processing table 1, three groups of cutting mechanisms 5 for cutting the surface layer of the wood are arranged between the limiting sleeve 4 and the processing sleeve 3, an output shaft of the driving motor 2 passes through a fixing ring 6, the fixing ring 6 is fixed at the top of the processing table 1, and three groups of opening mechanisms 7 for opening the surface layer of the wood are arranged between the fixing ring 6 and the processing sleeve 3.

Can carry out cutting process to timber through set up cutting block 31 on processing sleeve 3 to make separation between ligneous wooden layer and the cortex top layer, and because processing sleeve 3 is the rotary type cutting, so timber after the processing can form naturally and be cylindricly, need not subsequent contour machining, adnexed wooden layer content is also extremely low on the cortex top layer simultaneously, can not lead to the extravagant phenomenon on wooden layer, has improved the utilization ratio to wooden layer among the wood working process.

Preferably, in this embodiment, the incision mechanism 5 includes a movable cutter 51 and a control push bar 52, one side of the movable cutter 51 is slidably connected with the inner wall of the stop collar 4, the movable cutter 51 is connected with the stop collar 4 through an elastic member, a gap is provided between the other side of the movable cutter 51 and the outer wall of the processing sleeve 3, one side of the movable cutter 51 close to the processing sleeve 3 and one side of the movable cutter 51 far away from the driving motor 2 are both cutting surfaces, one end of the control push bar 52 is fixed on one side of the movable cutter 51 close to the driving motor 2, the other end of the control push bar is located inside the annular groove 32, the annular groove 32 is provided on the outer wall of the processing sleeve 3, one side of the annular groove 32 close to the driving motor 2 is fixed with three fixed driving bars 33, and both ends of the fixed driving bars 33 are linear arc surface-shaped; can utilize the rotation of processing sleeve 3 to come the hollow tube-shape timber cortex top layer that processing sleeve 3 cut down to open through setting up movable cutter 51, thereby can make hollow tube-shape timber cortex top layer from processing sleeve 3 automatic drop, need not the manual work and take off hollow tube-shape timber cortex top layer from processing sleeve 3, the degree of automation of the device has been improved, the machining efficiency is improved, also can avoid the manual work to take off hollow tube-shape timber cortex top layer and the potential safety hazard that exists simultaneously, the security of the device is improved.

Preferably, in the present embodiment, the opening mechanism 7 includes a central blade 71 and an elastic opening plate 72, one end of the central blade 71 is fixed to the fixing ring 6, the other end of the central blade 71 is far away from the fixing ring 6 and is a cutting surface, one end of the elastic opening plate 72 is fixed to a side surface of the central blade 71, and the other end of the elastic opening plate is close to the fixing ring 6 and has a gap with the central blade 71; can strut hollow tube-shape timber cortex top layer with the incision that produces behind the cutting mechanism 5 hollow tube-shape timber cortex top layer through setting up elasticity distraction board 72 to make the wood working later stage play and play the promotion effect to falling on hollow tube-shape timber cortex top layer, prevent that the plant mucus between hollow tube-shape timber cortex top layer opening part both sides from producing the influence to falling on hollow tube-shape timber cortex top layer, improved the off-rate on hollow tube-shape timber cortex top layer.

Preferably, in this embodiment, one side of the control push bar 52 away from the movable cutter 51 is fixed to one end of the linkage shaft 8, the other end of the linkage shaft 8 is fixed to the center of the elastic connection bar 721, two ends of the elastic connection bar 721 are respectively fixed to the side surfaces of the two elastic opening plates 72 close to one end of the fixed ring 6, and the elastic connection bar 721 is arc-shaped and protrudes in the direction away from the fixed ring 6; through setting up universal driving shaft 8 and elastic connection strip 721 can utilize the removal that control pushed strip 52 to control elasticity distraction plate 72 and deform for elasticity distraction plate 72 presents the state that the developments were strutted, and elasticity distraction plate 72 also can increase the thrust of hollow section of thick bamboo form timber cortex top layer opening part both sides this moment, thereby improve the effect of strutting of elasticity distraction plate 72 to hollow section of thick bamboo form timber cortex top layer opening part, and then can further improve the effect that hollow section of thick bamboo form timber cortex top layer drops.

Preferably, in this embodiment, a mounting plate 511 is fixed on one side of the movable cutter 51 close to the control pushing bar 52, two sides of the mounting plate 511 are penetrated through by a rotating shaft 512 and rotatably connected with the rotating shaft 512, one side of the rotating shaft 512 is fixed with the counterweight bar 513 through a connecting rod, the other side of the rotating shaft is fixed with one end of the knocking bar 514, the other end of the knocking bar 514 is located inside a groove formed in the movable cutter 51 and has a gap with the inner wall of the groove, the counterweight bar 513 is in contact with one side of the control pushing bar 52 away from the linkage shaft 8, and a rebounding bar 515 matched with the counterweight bar 513 is fixed on the mounting plate 511; through setting up counter weight strip 513 can utilize the inertia of activity cutter 51 reciprocating motion to make to strike strip 514 and strike movable cutter 51 to make activity cutter 51 produce certain vibration, this vibration can impel adnexed saw-dust and plant mucus to break away from on the activity cutter 51, prevents that this part saw-dust and plant mucus from producing the influence to the effect of cutting of activity cutter 51, has reduced movable cutter 51's cleaning frequency.

Preferably, in this embodiment, a matching block 81 is fixed at one end of the linkage shaft 8 connected to the elastic connecting strip 721, two concave portions are formed on one side of the matching block 81 away from the linkage shaft 8, the two concave portions correspond to one end of the two impact strips 722, and the other ends of the two impact strips 722 are fixed to one side of the elastic opening plate 72 close to the fixing ring 6; can utilize elasticity to strut rotation of board 72 to strike strip 722 through setting up and strike 8 one end of linkage shaft and strike, according to the relevant principle of newton's pendulum, the other end of linkage shaft 8 can make counter weight strip 513 break away from control and push away strip 52, and the striking strip 722 is the same through the inertial motion direction of linkage shaft 8 power to counter weight strip 513 this moment and counter weight strip 513 this moment, so can break away from control to counter weight strip 513 and push away strip 52 and play the promotion effect, and then can improve and strike strip 514 and to the striking effect of activity cutter 51.

The working principle is as follows: the switch of the driving motor 2 is turned on, the output shaft of the driving motor 2 drives the processing sleeve 3 to rotate, the wood to be processed is aligned to one end, far away from the driving motor 2, of the processing sleeve 3, the wood is pushed towards the processing sleeve 3, the cutting block 31 can achieve a rotary cutting effect on the wood, the wood wooden layer is located inside the processing sleeve 3, and the leather surface layer is located outside the processing sleeve 3; in the rotating process of the processing sleeve 3, the fixed driving strip 33 rotates along with the fixed driving strip, and when two ends of the fixed driving strip 33 are in contact with the control pushing strip 52, a pushing effect is exerted on the control pushing strip 52, so that the control pushing strip 52 and the movable cutter 51 move towards the direction far away from the driving motor 2, and when the cortex surface layer of the wood passes through the movable cutter 51, the movable cutter 51 plays a role in cutting the cortex surface layer of the wood, so that a notch is generated on the cortex surface layer of the wood;

when the cut of the cortex surface layer of the wood passes through the central blade 71, two side surfaces of the cut of the cortex surface layer of the wood rub against the central blade 71, and the elastic opening plate 72 has an opening effect on the cut of the cortex surface layer of the wood, so that the cut of the cortex surface layer of the wood is enlarged; when the control push bar 52 is far away from the driving motor 2 under the action of the fixed driving bar 33, the center of the elastic connecting bar 721 is pulled by the linkage shaft 8, the center of the elastic connecting bar 721 moves towards the direction far away from the fixed ring 6, the two ends of the elastic connecting bar 721 pull the ends of the two elastic opening plates 72 close to the fixed ring 6 to move and deform towards each other, so that the opening effect of the elastic opening plate 72 on the cut of the cortex surface layer of the wood is reduced, when the control push bar 52 is separated from the fixed driving bar 33, the elastic opening plate 72 is reset and restores the original state, the opening of the cortex surface layer cut of the wood is realized again, so as to realize the dynamic opening effect of the elastic opening plate 72 on the cut of the cortex surface layer of the wood and prevent the opening effect of the elastic opening plate 72 from being deteriorated due to the continuous extrusion of the cortex surface layer of the wood on the elastic opening plate 72;

when the movable cutter 51 and the control push bar 52 reciprocate under the action of the fixed driving bar 33, the counterweight bar 513 can swing left and right under the action of inertia, at the moment, the counterweight bar 513 can drive the rotating shaft 512 to rotate, the rotating shaft 512 drives the knocking bar 514 to impact the movable cutter 51, so that the vibration of the movable cutter 51 is realized, sawdust and plant mucus on the movable cutter 51 are assisted to fall off, when the control push bar 52 is pushed by two ends of the fixed driving bar 33 to move towards the direction far away from the driving motor 2, the counterweight bar 513 clings to the control push bar 52, the control push bar 52 pulls the two elastic opening plates 72 to deform through the universal driving shaft 8 and the elastic connecting bar 721, the impact bar 722 moves under the action of the elastic opening plates 72, when the control push bar 52 and the movable cutter 51 move to the maximum value, the impact bar 722 collides with the matching block 81 under the action of the elastic opening plates 72, and at the moment, the control push bar 52 just stops moving, the counter weight strip 513 has the trend of moving away from the control push strip 52 under the effect of inertia, because the universal driving shaft 8 one end is fixed with the control push strip 52, so can not produce the removal, according to the energy conservation and the momentum conservation of newton's pendulum, the striking strip 722 can make the universal driving shaft 8 other end push strip 52 through the control and produce the motive force to counter weight strip 513 this moment to the striking of one end universal driving shaft 8, the direction of this motive force is the same with the trend direction of moving of counter weight strip 513 under the inertial action, so can improve the moving speed of counter weight strip 513, and then can improve the striking dynamics between knocking strip 514 and the activity cutter 51, thereby improve the vibration effect of activity cutter 51.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.