CN215602339U

CN215602339U - Blade of electric tapping knife

Info

Publication number: CN215602339U
Application number: CN202120686086.3U
Authority: CN
Inventors: 邓凌斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2022-01-25
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses an electric tapping knife blade, which comprises an annular mounting piece, wherein at least one knife body is arranged on the periphery of the outer edge of the mounting piece, a notch is arranged on the edge of one end, away from the mounting piece, of the knife body, the notch is used for cutting a rubber tree, and the opening direction of the notch is consistent with the rotating direction of the knife body; the blade of the electric tapping knife can greatly improve the effect of cutting the rubber thread and effectively avoid the occurrence of the condition that the machine is blocked by the rubber thread; when the blade of the electric tapping knife provided by the utility model is used, if the blade cuts too deeply, the cutting wound of the blade on a rubber tree trunk is smaller, namely the cutting wound caused by the blade in the prior art is square groove-shaped, and if the blade of the electric tapping knife provided by the utility model causes a cutting wound, the wound is V-shaped, so that the bark can be recovered more favorably.

Description

Blade of electric tapping knife

Technical Field

The utility model relates to the technical field of electric tapping knives, in particular to a blade of an electric tapping knife.

Background

Tapping means that the latex of the rubber tree is harvested from the tree, firstly, the outer skin and the phloem of the rubber tree need to be cut, and then, the latex flows out. In order to reduce labor intensity of a rubber worker and rubber tapping technical difficulty, scientific researchers research and develop rotary-cutting type electric rubber tapping knives. The rubber yield of the existing rotary cutting type electric rubber tapping knife needs to be improved, and when the rotary cutting type electric rubber tapping knife is used, if a rubber tapping person cuts too deeply, the cut of a tree trunk is large and is in a square groove shape; the residual rubber thread on the cutting thread is often difficult to effectively cut off, and the residual rubber thread is wound on the cutter shaft to cause the machine to be blocked or stopped.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the electric rubber tapping knife blade, so that the rubber yield is increased, the rubber thread is efficiently removed, the operation is smoother, the damage to a rubber tree is reduced, and the wound can be smaller even if the wound is caused.

The technical scheme of the utility model is as follows:

the utility model provides an electronic tapping knife blade, includes annular installed part, the outer fringe circumference of installed part is provided with at least one cutter body, the cutter body is kept away from the one end edge of installed part and is provided with the breach, the breach is used for cutting the rubber tree, the opening orientation of breach is unanimous with the direction of rotation of cutter body.

Preferably, the cutter body is formed by a first sheet and a second sheet, one end of the second sheet far away from the first sheet is fixedly connected with the mounting piece, the notch comprises a first blade and a second blade, the first blade is arranged on the front side or the rear side of the first sheet, and the second blade is arranged on the second sheet and is adjacent to and connected with the first blade.

Preferably, the end of the second blade is flush with or extends beyond the end of the first blade.

Preferably, the first blade is arc-shaped or fold-line-shaped.

Preferably, the distance from the upper end point of the first blade to the central axis of the mounting member is smaller than the distance from the lower end point of the first blade to the central axis of the mounting member.

Preferably, the first cutting edge is in an oblique line shape and forms an included angle-shaped gap with the second cutting edge.

Preferably, the included angle between the first cutting edge and the second cutting edge is an acute angle.

Preferably, the included angle of the L-shape formed by the first shape object and the second shape object is an acute angle.

Preferably, the mounting piece drives the cutter body to rotate clockwise or anticlockwise.

The utility model has the beneficial effects that:

the blade of the electric tapping knife provided by the utility model is used for tapping rubber, so that the rubber yield is higher;

the blade of the electric tapping knife can greatly improve the effect of cutting the rubber thread and effectively avoid the occurrence of the condition that the machine is blocked by the rubber thread;

when the blade of the electric tapping knife provided by the utility model is used, if the blade cuts too deeply, the cutting wound of the blade on a rubber tree trunk is smaller, and the recovery of barks is more facilitated.

Drawings

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a blade of an electric tapping knife according to embodiment 2 of the present invention;

fig. 2 is a top view of an electric tapping knife blade provided in embodiment 2 of the present invention;

fig. 3 and 4 are left side views of a first sheet of the electric tapping knife blade according to embodiment 2 of the present invention;

fig. 5 and 6 are left side views of a first sheet of the electric tapping knife blade according to embodiment 3 of the present invention;

fig. 7 and 8 are left side views of a first sheet of the electric tapping knife blade according to embodiment 4 of the present invention;

in the figure, 1-mounting, 2-blade, 21-flap one, 211-first blade, 22-flap two, 221-second blade.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.

Example 1

The embodiment provides an electronic tapping knife blade, including annular installed part, the outer fringe circumference of installed part is provided with at least one cutter body, the cutter body is kept away from the one end edge of installed part and is provided with the breach, the breach is used for cutting the rubber tree, the opening orientation of breach is unanimous with the direction of rotation of cutter body. In the actual application, the installed part drives the cutter body and rotates clockwise or anticlockwise, corresponds two kinds of breach settings position and the opposite cutter body form of orientation.

The knife body is L-shaped formed by the first sheet-shaped object and the second sheet-shaped object, and the included angle of the L-shaped formed by the first sheet-shaped object and the second sheet-shaped object is preferably an acute angle, and more preferably an acute angle larger than 80 degrees. One end of the second sheet far away from the first sheet is integrally connected or welded with the mounting piece, and the first sheet and the second sheet are integrally connected or welded.

The notch comprises a first blade and a second blade, the first blade is arranged on the front side or the rear side of the first sheet-shaped object, the second blade is arranged on the second sheet-shaped object and is adjacent to the first blade, and the first blade and the second blade are arranged on the same side of the knife body and adjacent to each other and are arranged on the side, which is firstly contacted with rubber barks when the knife body rotates, namely the rubber tree is cut through the notch formed by the first blade and the second blade.

In this embodiment, both the first blade and the second blade may be single-sided or double-sided.

Example 2

The present embodiment provides an electric tapping knife blade, based on embodiment 1, further, the first cutting edge is arc-shaped (as shown in fig. 4) or fold-line-shaped (as shown in fig. 1-3), and the end of the second cutting edge is flush with the end of the first cutting edge, that is, the notch is arc-shaped or fold-line-shaped and is separately disposed on the first cutting edge.

In the embodiment, the distance from the upper end point of the first blade to the central axis of the mounting part is smaller than the distance from the lower end point of the first blade to the central axis of the mounting part; the second cutting edge is linear and is connected with the bottom end fillet of the first cutting edge.

Example 3

The present embodiment provides an electric tapping knife blade, based on embodiment 1, further, the first cutting edge is arc-shaped (as shown in fig. 5) or fold-line-shaped (as shown in fig. 6), and the end of the second cutting edge extends out of the end of the first cutting edge, that is, the tips of the first cutting edge and the second cutting edge together form a gap to cut the rubber bark.

Example 4

The present embodiment provides an electric tapping knife blade, and on the basis of embodiment 1, further, the first cutting edge is an oblique line shape, the second cutting edge is a straight line shape, the first cutting edge and the second cutting edge together form an included angle-shaped notch, and the included angle is preferably an acute angle.

In this embodiment, the end of the second blade is flush with the end of the first blade (as shown in fig. 7) or extends beyond the end of the first blade (as shown in fig. 8).

The above examples 1 to 4 have the following effects in practical use:

(1) the blade of the electric rubber tapping knife provided by the utility model is used for tapping rubber, the effect similar to that of the traditional triangular knife can be generated, and the rubber yield of a rubber tree can be higher;

(2) the blade of the electric tapping knife can greatly improve the effect of cutting the rubber thread and effectively avoid the occurrence of the condition that the machine is blocked by the rubber thread;

(3) when the blade of the electric tapping knife provided by the utility model is used, if the blade cuts too deeply, the cutting wound of the blade on a rubber tree trunk is smaller, namely the cutting wound caused by the blade in the prior art is square groove-shaped, and if the blade of the electric tapping knife provided by the utility model causes a cutting wound, the wound is V-shaped, so that the bark can be recovered more favorably.

The rotary electric cutting knife is a prior art, and the installation and use method of the blade provided by the utility model is approximately similar to that of the prior art, so that the details are not repeated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides an electronic tapping knife blade which characterized in that: the rubber tree cutting device is characterized by comprising an annular mounting piece, wherein at least one cutter body is arranged on the outer edge of the mounting piece in the circumferential direction, a notch is formed in the edge of one end, away from the mounting piece, of the cutter body, the notch is used for cutting a rubber tree, and the opening orientation of the notch is consistent with the rotating direction of the cutter body.

2. The electric tapping knife blade of claim 1, wherein: the knife body is L-shaped formed by a first sheet object and a second sheet object, one end, far away from the first sheet object, of the second sheet object is fixedly connected with the mounting piece, the notch comprises a first cutting edge and a second cutting edge, the first cutting edge is arranged on the front side or the rear side of the first sheet object, and the second cutting edge is arranged on the second sheet object and is adjacent to and connected with the first cutting edge.

3. The electric tapping knife blade of claim 2, wherein: the end of the second blade is flush with or extends beyond the end of the first blade.

4. The electric tapping knife blade of claim 3, wherein: the first cutting edge is arc-shaped or fold-line-shaped.

5. The electric tapping knife blade of claim 4, wherein: the distance from the upper end point of the first cutting edge to the central axis of the mounting part is smaller than the distance from the lower end point of the first cutting edge to the central axis of the mounting part.

6. The electric tapping knife blade of claim 3, wherein: the first cutting edge is in an oblique line shape and forms an included angle-shaped gap with the second cutting edge.

7. The electric tapping knife blade of claim 6, wherein: the included angle between the first cutting edge and the second cutting edge is an acute angle.

8. The electric tapping knife blade according to any one of claims 2-7, wherein: the included angle of the L shape formed by the first sheet-shaped object and the second sheet-shaped object is an acute angle.

9. The electric tapping knife blade of claim 1, wherein: the installed part drives the cutter body to rotate clockwise or anticlockwise.