阅读说明：本技术 一种电动割胶刀 (Electric tapping knife ) 是由 王玲玲 袁晓军 郑勇 邓怡国 张以山 曹建华 吴思浩 于 2018-07-17 设计创作，主要内容包括：本发明公开了一种电动割胶刀,包括刀片、第一驱动杆、第一轴承、第二驱动杆、第二轴承、偏心轴、电机和手柄。开启电机,刀片自动切割橡胶树的树皮,且通过机械传动实现刀片对橡胶树的扇形切割,不需要人工控制刀片单次的切割轨迹,相对于现有技术中通过割胶工人手动控制刀片切割橡胶树的方式,减少了刀片对橡胶树水囊皮的伤害,从而在一定程度上提高了割胶的质量,降低了对割胶产量的影响。本方案提供的电动割胶机优化了传动结构,减少了加工工艺的难度和机械振动,提升了胶工操作的上手度,更利于割胶操作,从而提升了割胶效率,减轻了胶工的劳动强度,降低了割胶难度,达到了节本增效的目的。(The invention discloses an electric tapping knife which comprises a blade, a first driving rod, a first bearing, a second driving rod, a second bearing, an eccentric shaft, a motor and a handle. The motor is started, the blade automatically cuts the bark of the rubber tree, the blade is used for cutting the rubber tree in a fan shape through mechanical transmission, the single cutting track of the blade is not needed to be controlled manually, and compared with the mode that the blade is controlled manually by a rubber tapping worker to cut the rubber tree in the prior art, the damage of the blade to the water sac skin of the rubber tree is reduced, so that the rubber tapping quality is improved to a certain extent, and the influence on the rubber tapping yield is reduced. The electric tapping machine provided by the scheme optimizes a transmission structure, reduces the difficulty and mechanical vibration of a processing technology, improves the operation accuracy of a tapping worker, and is more beneficial to tapping operation, so that the tapping efficiency is improved, the labor intensity of the tapping worker is reduced, the tapping difficulty is reduced, and the purposes of saving cost and improving efficiency are achieved.)

1. An electric tapping knife, characterized by comprising:

a blade (1);

a first drive rod (2), wherein the first drive rod (2) is connected with the blade (1) and is vertical to the blade (1);

the inner ring of the first bearing (3) is connected with the first driving rod (2);

the second driving rod (4), the second driving rod (4) is vertically connected with the first driving rod (2);

the outer ring of the second bearing (5) is connected with the second driving rod (4);

an eccentric shaft connected with the inner ring of the second bearing (5);

a motor (6), wherein the motor (6) is connected with the eccentric shaft;

the handle (7) is covered on the first driving rod (2), the first bearing (3), the second driving rod (4), the second bearing (5), the eccentric shaft and the outer side of the motor (6), and the outer ring of the first bearing (3) is connected with the handle (7).

2. The electric tapping knife according to claim 1, wherein a speed regulator and a speed regulating roller are arranged on the motor (6).

3. The electric tapping knife according to claim 1, wherein the second driving rod (4) is a Y-shaped driving rod, the Y-shaped driving rod comprises a branch section and a straight section, the branch section is fixedly connected with the outer ring of the second bearing (5), and the straight section is connected with the first driving rod (2).

4. The electric tapping knife according to claim 1, wherein the blade (1) is connected to the first drive rod (2) via a blade holder (8), and an adjusting shim is arranged between the blade holder (8) and the blade (1).

5. The electric tapping knife according to claim 4, characterized in that the handle (7) is bolted to the knife holder (8).

6. The electric tapping knife according to claim 1, characterized in that the blade (1) comprises: the cutting tool comprises a first blade, a second blade, a first connecting plate and a second connecting plate;

the first blade comprises a first horizontal blade, a first arc blade and a first vertical blade, the lower end of the first arc blade is connected with one end of the first horizontal blade, the upper end of the first arc blade is connected with the first vertical blade, the included angle between the first vertical blade and the first horizontal blade is 85-88 degrees, the radian of the first arc blade is 0.8-1.2 degrees, and the other end of the first horizontal blade is connected with the first connecting plate;

the second blade comprises a second horizontal blade, a second arc blade and a second vertical blade, the lower end of the second arc blade is connected with one end of the second horizontal blade, the upper end of the second arc blade is connected with the second vertical blade, the included angle between the second vertical blade and the second horizontal blade is 85-88 degrees, the radian of the second arc blade is 0.8-1.2 degrees, and the other end of the second horizontal blade is connected with the second connecting plate;

the connecting structure comprises a first connecting plate and a second connecting plate, and is characterized in that a first step face is arranged on the upper end face of the first connecting plate, a second step face matched with the first step face is arranged on the lower end face of the second connecting plate, a first mounting groove is formed in the first connecting plate, the first mounting groove is formed in the length direction of the first connecting plate, a second mounting groove corresponding to the position of the first mounting groove is formed in the second connecting plate, and the second mounting groove is formed in the length direction of the second connecting plate.

7. The electric tapping knife according to claim 6, wherein the first vertical blade has a length of 0.8-1.0cm, and the first horizontal blade has a length of 1.5-2.0 cm;

the length of the second vertical blade is 0.8-1.0cm, and the length of the second horizontal blade is 1.5-2.0 cm.

8. The electric tapping knife according to claim 6, further comprising two guides (10) mounted on the handle (7), wherein the number of the guides (10) corresponds to the positions of the first blade and the second blade, the guides (10) comprise a connecting plate connected with the handle (7) and an L-shaped plate connected with the connecting plate, the L-shaped plate comprises a vertical plate arranged along the length direction of the blade and perpendicular to the blade and an arc plate connected with the vertical plate, and the arc plate is matched with the end portion of the blade.

9. The electric tapping knife according to claim 8, wherein one side of the connecting plate connected with the handle (7) is provided with an elongated boss and an elongated mounting hole arranged in parallel with the elongated boss, and the elongated mounting hole is perpendicular to the vertical plate;

the handle (7) is provided with a clamping groove matched with the strip-shaped boss and a bolt hole matched with the strip-shaped mounting hole.

10. The electric tapping knife according to claim 1, characterized in that the eccentric shaft is mounted to the motor (6) by means of a third bearing (9), the inner ring of the third bearing (9) being connected to the eccentric shaft and the outer ring of the third bearing (9) being connected to the handle (7).

Technical Field

The invention relates to the technical field of mechanical rubber collection in the rubber industry, in particular to an electric rubber tapping knife.

Background

The natural rubber can be obtained by planting the rubber trees, and the natural rubber is obtained by tapping. Since the beginning of artificial cultivation of rubber trees, how to obtain higher rubber yield, improve rubber tapping efficiency and reduce labor intensity is a pursuit target of broad rubber tree growers.

After the rubber trees are put into production, rubber tapping can be performed for 30-40 years, the labor investment of rubber tapping accounts for more than 70% of the total labor investment of the whole rubber production, the rubber tapping production is an important link of the rubber production, the rubber tapping is manual work needing higher technology, the rubber tapping technology not only affects the current rubber tapping yield, but also affects the rubber tapping yield of the whole production period and even affects the service life of the rubber trees, and therefore the rubber tapping technology is a key technology of the rubber production.

Therefore, how to ensure the tapping quality to reduce the influence on the tapping yield, improve the tapping efficiency, and reduce the labor intensity of the tapping workers becomes a technical problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

In view of this, the invention provides an electric tapping knife to ensure tapping quality, reduce the influence on tapping yield, simultaneously improve tapping efficiency and reduce labor intensity of a tapping worker.

In order to achieve the purpose, the invention provides the following technical scheme:

an electric tapping knife comprising:

a blade;

a first drive rod connected to the blade and perpendicular to the blade;

the inner ring of the first bearing is connected with the first driving rod;

the second driving rod is vertically connected with the first driving rod;

the outer ring of the second bearing is connected with the second driving rod;

an eccentric shaft connected with the inner ring of the second bearing;

the motor is connected with the eccentric shaft;

the handle cover is arranged on the outer sides of the first driving rod, the first bearing, the second driving rod, the second bearing, the eccentric shaft and the motor, and the outer ring of the first bearing is connected with the handle.

Preferably, in the electric tapping knife, the motor is provided with a speed regulator and a speed regulating roller.

Preferably, in the electric tapping knife, the second driving rod is a Y-shaped driving rod, the Y-shaped driving rod includes a branch section and a straight section, the branch section is fixedly connected with the outer ring of the second bearing, and the straight section is connected with the first driving rod.

Preferably, in the above electric tapping knife, the blade is connected to the first driving rod through a knife holder, and an adjusting shim is disposed between the knife holder and the blade.

Preferably, in the above electric tapping knife, the handle is bolted to the blade holder.

Preferably, in the above electric tapping knife, the blade includes: the cutting tool comprises a first blade, a second blade, a first connecting plate and a second connecting plate;

the first blade comprises a first horizontal blade, a first arc blade and a first vertical blade, the lower end of the first arc blade is connected with one end of the first horizontal blade, the upper end of the first arc blade is connected with the first vertical blade, the included angle between the first vertical blade and the first horizontal blade is 85-88 degrees, the radian of the first arc blade is 0.8-1.2 degrees, and the other end of the first horizontal blade is connected with the first connecting plate;

the second blade comprises a second horizontal blade, a second arc blade and a second vertical blade, the lower end of the second arc blade is connected with one end of the second horizontal blade, the upper end of the second arc blade is connected with the second vertical blade, the included angle between the second vertical blade and the second horizontal blade is 85-88 degrees, the radian of the second arc blade is 0.8-1.2 degrees, and the other end of the second horizontal blade is connected with the second connecting plate;

the connecting structure comprises a first connecting plate and a second connecting plate, and is characterized in that a first step face is arranged on the upper end face of the first connecting plate, a second step face matched with the first step face is arranged on the lower end face of the second connecting plate, a first mounting groove is formed in the first connecting plate, the first mounting groove is formed in the length direction of the first connecting plate, a second mounting groove corresponding to the position of the first mounting groove is formed in the second connecting plate, and the second mounting groove is formed in the length direction of the second connecting plate.

Preferably, in the electric tapping knife, the length of the first vertical blade is 0.8-1.0cm, and the length of the first horizontal blade is 1.5-2.0 cm;

the length of the second vertical blade is 0.8-1.0cm, and the length of the second horizontal blade is 1.5-2.0 cm. Preferably, in the above-mentioned electric tapping knife, the tapping knife further comprises two guides mounted on the handle, the number of the guides is two and corresponds to the positions of the first blade and the second blade respectively, the guides comprise a connecting plate connected with the handle and an L-shaped plate connected with the connecting plate, the L-shaped plate comprises a vertical plate arranged along the length direction of the blades and perpendicular to the blades and an arc plate connected with the vertical plate, and the arc plate is matched with the end portions of the blades.

Preferably, in the electric tapping knife, one side of the connecting plate, which is connected with the handle, is provided with a long-strip-shaped boss and a long-strip-shaped mounting hole which is arranged in parallel with the long-strip-shaped boss, and the long-strip-shaped mounting hole is perpendicular to the vertical plate;

the handle is provided with a clamping groove matched with the strip-shaped boss and a bolt hole matched with the strip-shaped mounting hole.

Preferably, in the electric tapping knife, the eccentric shaft is mounted to the motor through a third bearing, an inner ring of the third bearing is connected to the eccentric shaft, and an outer ring of the third bearing is connected to the handle.

According to the technical scheme, the electric tapping knife comprises a blade, a first driving rod, a first bearing, a second driving rod, a second bearing, an eccentric shaft, a motor and a handle. The motor is started, the motor drives the eccentric shaft to rotate, the eccentric shaft drives the second bearing to swing in a plane, the second driving rod transmits the swing of the second bearing to the first driving rod, the first driving rod rotates around the axis of the first driving rod, and the first driving rod drives the blade to do fan-shaped cutting motion. This scheme provides an electronic tapping knife, opens the motor, and the bark of blade automatic cutout rubber tree, and realize the blade through mechanical transmission to the fan-shaped cutting of rubber tree, do not need the single cutting orbit of manual control blade, for the mode of cutting the rubber tree through tapping workman manual control blade among the prior art, reduced the injury of blade to rubber tree water pocket skin to the quality of tapping has been improved to a certain extent, has reduced the influence to tapping output. The electric tapping machine provided by the scheme optimizes a transmission structure, reduces the difficulty and mechanical vibration of a processing technology, improves the handedness of rubber worker operation, is more favorable for rubber tapping operation, thereby improving the rubber tapping efficiency, lightening the labor intensity of the rubber workers, reducing the rubber tapping difficulty, achieving the purpose of saving cost and improving efficiency, and simultaneously, the electric tapping knife provided by the scheme optimizes a guider, can directly tap rubber without tearing old rubber wires, solves the problem that the conventional electric tapping knife needs to tear old rubber wires or part of rubber wire adhesive trunks when rubber tapping and needs secondary cleaning, and improves the rubber tapping efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an electric tapping knife covered with a handle according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an electric tapping knife according to an embodiment of the present invention;

FIG. 3 is a top view of the electric tapping knife according to the embodiment of the present invention;

FIG. 4 is a schematic view illustrating the operation of the electric tapping knife according to the embodiment of the present invention;

FIG. 5 is a schematic view illustrating the operation of the electric tapping knife according to the embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a guide of an electric tapping knife according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a guide of an electric tapping knife according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a blade of the electric tapping knife according to the embodiment of the present invention;

FIG. 9 is a front view of a blade of an electric tapping knife provided in accordance with an embodiment of the present invention;

fig. 10 is a schematic structural view of the electric tapping knife according to the embodiment of the present invention when the blade is not assembled.

1. Blade, 2, first actuating lever, 3, first bearing, 4, second actuating lever, 5, second bearing, 6, motor, 7, handle, 8, blade holder, 9, third bearing, 10, director.

Detailed Description

The invention discloses an electric tapping knife, which is used for ensuring tapping quality, reducing the influence on tapping yield, improving tapping efficiency and reducing labor intensity of a tapping worker.

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. 1-10, fig. 1 is a schematic structural view of an electric tapping knife covered with a handle according to an embodiment of the present invention; FIG. 2 is a schematic structural view of an electric tapping knife according to an embodiment of the present invention; FIG. 3 is a top view of the electric tapping knife according to the embodiment of the present invention; FIG. 4 is a schematic view illustrating the operation of the electric tapping knife according to the embodiment of the present invention; fig. 5 is a schematic view illustrating the operation of the electric tapping knife provided in the embodiment of the present invention, and fig. 6 is a schematic view illustrating the structure of a guide of the electric tapping knife provided in the embodiment of the present invention; FIG. 7 is a schematic structural diagram of a guide of an electric tapping knife according to an embodiment of the present invention; fig. 8 is a schematic structural diagram of a blade of the electric tapping knife according to the embodiment of the present invention; FIG. 9 is a front view of a blade of an electric tapping knife provided in accordance with an embodiment of the present invention; fig. 10 is a schematic structural view of the electric tapping knife according to the embodiment of the present invention when the blade is not assembled.

The invention discloses an electric tapping knife which comprises a blade 1, a first driving rod 2, a first bearing 3, a second driving rod 4, a second bearing 5, an eccentric shaft, a motor 6 and a handle 7. Wherein, the outside of first actuating lever 2, primary shaft bearing 3, second actuating lever 4, second bearing 5, eccentric shaft and motor 6 is located to 7 covers of handle, plays the guard action to first actuating lever 2, primary shaft bearing 3, second actuating lever 4, second bearing 5, eccentric shaft and motor 6, makes things convenient for the workman to operate electronic tapping knife simultaneously.

The blade 1 is used for cutting the bark of a rubber tree.

The lower end of the first driving rod 2 is connected with the blade 1, and the upper end of the first driving rod 2 is connected with the second driving rod 4. As shown in fig. 2, the first driving lever 2 is perpendicular to the blade 1, and the second driving lever 4 is perpendicular to the first driving lever 2.

The first driving rod 2 is installed on the handle 7 through the first bearing 3, specifically, an inner ring of the first bearing 3 is fixedly connected with the first driving rod 2, and an outer ring of the first bearing 3 is fixedly connected with the handle 7.

The second driving rod 4 is connected with the eccentric shaft through a second bearing 5, specifically, an outer ring of the second bearing 5 is fixedly connected with the second driving rod 4, and an inner ring of the second bearing 5 is fixedly connected with the eccentric shaft. The eccentric shaft can convert the rotating force of the motor 6 into a deflection force, so that the blade 1 makes fan-shaped cutting motion in a plane.

The motor 6 provides rotation power for the eccentric shaft, preferably, the motor 6 is a direct current motor 6, and the motor 6 is connected with a direct current battery through an electric wire. In order to conveniently store the electric tapping knife, a direct-current power socket is arranged on the handle 7, and when the electric tapping knife is not used, the direct-current battery can be detached from the electric tapping knife.

Starting motor 6, motor 6 drive the eccentric shaft and rotate, and the eccentric shaft drives second bearing 5 and swings in the plane, and second actuating lever 4 transmits the swing of second bearing 5 for first actuating lever 2, makes first actuating lever 2 rotate round the axis of first actuating lever 2, carries out first actuating lever 2 and drives blade 1 and do fan-shaped cutting motion.

As shown in fig. 4, the motor 6 drives the eccentric shaft to rotate, when the eccentric shaft moves to the leftmost end, the right end of the blade 1 swings to the rearmost end, and the left end of the blade 1 swings to the foremost end.

As shown in fig. 5, the motor 6 drives the eccentric shaft to rotate, when the eccentric shaft moves to the rightmost end, the left end of the blade 1 swings to the rearmost end, and the right end of the blade 1 swings to the foremost end.

The first bearing 3 ensures that the first driving rod 2 can rotate, and the blade 1 is cut in a fan shape around the first driving rod 2.

This scheme provides an electronic tapping knife, open motor 6, the bark of 1 automatic cutout rubber tree of blade, and realize the fan-shaped cutting of blade 1 to the rubber tree through mechanical transmission, do not need 1 single cutting orbit of manual control blade, for the mode of cutting the rubber tree through tapping workman manual control blade 1 among the prior art, the injury of blade to rubber tree water pocket skin has been reduced, thereby the quality of tapping has been improved to a certain extent, the influence to the tapping output has been reduced. The electric tapping machine provided by the scheme optimizes a transmission structure, reduces the difficulty and mechanical vibration of a processing technology, improves the operation accuracy of a tapping worker, and is more beneficial to tapping operation, so that the tapping efficiency is improved, the labor intensity of the tapping worker is reduced, the tapping difficulty is reduced, and the purposes of saving cost and improving efficiency are achieved.

In order to further optimize the above technical solution, in a specific embodiment of the present solution, the motor 6 is provided with a speed regulator and a speed regulating roller. Through setting up speed regulator and speed governing gyro wheel for motor 6 can carry out infinitely variable according to actual need, adjusts motor 6's rotational speed and output, thereby reduces the energy waste and to the damage of rubber tree, has increased electric rubber tapping sword's application scope.

In a specific embodiment of the present disclosure, the second driving rod 4 is a Y-shaped driving rod, and the Y-shaped driving rod includes a branch section and a straight section, the branch section is fixedly connected to the outer ring of the second bearing 5, and the straight section is connected to the first driving rod 2. The branch section is the U type, and the distance between two lateral walls of U type branch section equals the outer lane diameter of second bearing 5, and the outer lane of second bearing 5 is located between two lateral walls of U type branch section, and Y type actuating lever has improved the stability that second actuating lever 4 and second bearing 5 are connected, has reduced mechanical shock, has promoted the last degree of hand of gluey worker's operation.

Preferably, the second driving rod 4 is welded to the outer ring of the second bearing 5.

In another embodiment of the present disclosure, the second driving rod 4 is a Y-shaped driving rod, and the branch section of the Y-shaped driving rod is a semi-arc, and the radius of the semi-arc branch section is equal to the radius of the outer ring of the second bearing 5.

Blade 1 passes through the blade holder 8 to be connected with first actuating lever 2, and blade 1 installs in blade holder 8 promptly, and blade holder 8 is connected with first actuating lever 2, can guarantee effectively fixed to blade 1 through blade holder 8, reduces the installation degree of difficulty of blade 1 simultaneously.

An adjusting gasket is arranged between the cutter holder 8 and the blade 1, and the thickness of the rubber tapping consumed leather can be adjusted by increasing or decreasing the number of the adjusting gaskets. The electric tapping knife provided by the scheme not only enhances the applicability of the electric tapping knife, but also improves tapping quality.

In order to reduce the assembly difficulty of the electric tapping knife, preferably, the handle 7 is connected with the knife holder 8 through a bolt, and the knife holder 8 is provided with a bolt hole.

The blade 1 comprises a first blade, a second blade, a first connecting plate and a second connecting plate.

The first blade comprises a first horizontal blade, a first arc blade and a first vertical blade, the lower end of the first arc blade is connected with one end of the first horizontal blade, the upper end of the first arc blade is connected with the first vertical blade, the included angle between the first vertical blade and the first horizontal blade is 85-88 degrees, the radian of the first arc blade is 0.8-1.2 degrees, and the other end of the first horizontal blade is connected with the first connecting plate.

The second blade comprises a second horizontal blade, a second arc blade and a second vertical blade, the lower end of the second arc blade is connected with one end of the second horizontal blade, the upper end of the second arc blade is connected with the second vertical blade, the included angle between the second vertical blade and the second horizontal blade is 85-88 degrees, the radian of the second arc blade is 0.8-1.2 degrees, and the other end of the second horizontal blade is connected with the second connecting plate.

The first blade and the second blade have the same structure.

The upper end face of the first connecting plate is provided with a first step face, the lower end face of the second connecting plate is provided with a second step face matched with the first step face, a first mounting groove is formed in the first connecting plate, the first mounting groove is formed in the length direction of the first connecting plate, a second mounting groove corresponding to the position of the first mounting groove is formed in the second connecting plate, and the second mounting groove is formed in the length direction of the second connecting plate. First connecting plate and second connecting plate are to inserting the connection, and first mounting groove overlaps with the second mounting groove, and preferred, the length of first mounting groove and second mounting groove equals. After the first step surface is matched with the second step surface, the upper end surface of the first horizontal blade is flush with the upper end surface of the second horizontal blade, and the lower end surface of the first horizontal blade is flush with the lower end surface of the second horizontal blade.

The blade structure that this scheme provided is convenient for the installation of first blade and second blade, and the whole highly uniform in bottom of installation back blade, and this kind of structure helps keeping the balance of first blade and second blade to ensure first blade and second blade and two director complex balance and uniformity, make the thickness of first blade and second blade cutting bark unanimous.

The first blade is provided with a first mounting groove, the second blade is provided with a second mounting groove, and the positions of the first blade and the second blade can be respectively adjusted, namely the relative position of the first blade and the guider and the relative position of the second blade and the guider are independently adjusted, so that the rubber tapping depth of the first blade and the second blade is adjusted, the optimal cutting depth of the blades is ensured, and the occurrence of tree injury is reduced.

The radian of the first arc blade is 0.8-1.2 degrees, the radian of the second arc blade is 0.8-1.2 degrees, and the design angles of the first arc blade and the second arc blade not only ensure the cutting depth of the blades and the requirement for obtaining yield, but also reduce the occurrence of damaging the water sac skin of the rubber tree.

The included angle between the first vertical blade and the first horizontal blade is 85-88 degrees, the included angle between the second vertical blade and the second horizontal blade is 85-88 degrees, and the design angle can effectively reduce the damage of the first vertical blade and the second vertical blade to the water sac skin of the rubber tree.

The electric tapping knife provided by the scheme is of a symmetrical structure, the cutting edges are arranged on the two sides of the blade 1, the tapping requirements of different directions for cutting the height cutting line and the positive and negative knives can be met, the electric tapping knife can be pulled and cut or pushed, and the mechanical application range of the electric tapping knife is improved.

This scheme has carried out extension processing to the length of vertical blade, is favorable to cutting off the old line of gluing of adhesion on the trunk, need not tear old line of gluing alone, has improved tapping efficiency. Preferably, the vertical blade has a length of 0.8-1.0cm and the horizontal blade has a length of 1.5-2.0 cm.

The eccentric shaft is arranged on the motor 6 through a third bearing 9, the inner ring of the third bearing 9 is connected with the eccentric shaft, and the outer ring of the third bearing 9 is connected with the handle 7. The third bearing 9 helps to fix the eccentric shaft and is beneficial to the stable transmission of the power of the motor 6.

The electric tapping knife provided by the scheme further comprises a guide device 10 installed on the handle 7, the number of the guide devices is two, the two guide devices correspond to the first blade and the second blade respectively, the guide device 10 comprises a connecting plate connected with the handle 7 and an L-shaped plate connected with the connecting plate, the L-shaped plate comprises a vertical plate and an arc plate, the vertical plate is arranged along the length direction of the blades and is perpendicular to the plane where the blades are located, the arc plate and the vertical plate are coplanar, the electric tapping knife is concrete, the vertical plate of the guide device 10 matched with the first blade is arranged along the length direction of the first horizontal blade and is perpendicular to the plane where the first horizontal blade is located, and the vertical plate of the guide device 10 matched with the second blade is arranged along the length direction of the second horizontal blade and is perpendicular to the plane where the second horizontal blade is located.

The arc plate of the guider 10 is matched with the end parts of the blades, specifically, the arc plate of the guider 10 matched with the first blade is matched with the first vertical blade and the first arc blade, the shape of the arc plate is the same as the integral shape formed by the first vertical blade and the first arc blade, the arc plate matched with the second blade and reaching the guider 10 is matched with the second vertical blade and the second arc blade, and the shape of the arc plate is the same as the integral shape formed by the second vertical blade and the second arc blade.

The guider 10 can carry out accurate control to the degree of depth of tapping and the thick end of consuming the skin, play the guard action to the rubber tree, reduce the 1 possibility of wounding the rubber tree of blade, the electronic tapping knife that this scheme provided need not tear old rubber thread just can direct tapping simultaneously, solved in the past electronic tapping knife need tear old rubber thread earlier when the tapping or do not tear the problem that old rubber thread tapping but partial rubber thread adhesion trunk needs the secondary to be cleared up, the efficiency of tapping has been improved.

One side that the connecting plate is connected with the handle is provided with rectangular shape boss and rectangular shape mounting hole, and rectangular shape boss is parallel with rectangular shape mounting hole, and rectangular shape boss arranges for from top to bottom with rectangular shape mounting hole, and is concrete, and the length extending direction of rectangular shape mounting hole and rectangular shape boss is perpendicular with vertical board. In order to realize the installation of the connecting plate and the handle, a clamping groove matched with the elongated boss and a bolt hole matched with the elongated mounting hole are arranged on the handle. The draw-in groove is rectangular shape draw-in groove, and the length of the longer bar boss of length of rectangular shape draw-in groove is long, and the width of rectangular shape draw-in groove equals with the width of rectangular shape boss, and the length direction motion of rectangular shape draw-in groove can be followed to rectangular shape boss.

The regulation of the mounted position of director 10 is realized to the cooperation of the bolt hole of the rectangular shape mounting hole that sets up and handle on the connecting plate, the rectangular shape boss that sets up on the connecting plate and the draw-in groove cooperation of handle, makes director 10 can remove along the length direction of handle 7, and the horizontal direction back-and-forth movement can be followed to director 10 promptly, realizes the regulation of chip removal width between horizontal blade and the director 10, has further improved electronic rubber tapping sword's commonality. The guide 10 is fixed to the handle 7 by a bolt.

The guider that this scheme provided had both restricted the tapping degree of depth and consumed the skin thickness, had reduced the interference of old gluey line again, can not tear old gluey line tapping to the tapping speed has been promoted by a wide margin.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.