CN217992798U

CN217992798U - Cutting component of saw chain

Info

Publication number: CN217992798U
Application number: CN202222348728.6U
Authority: CN
Inventors: 徐华登; 阳承立; 杨锋; 徐承骏
Original assignee: Zhejiang Cabeus Machinery Co ltd
Current assignee: Zhejiang Cabeus Machinery Co ltd
Priority date: 2022-09-04
Filing date: 2022-09-04
Publication date: 2022-12-09
Anticipated expiration: 2032-09-04

Abstract

The utility model relates to a cutting member of saw chain especially discloses a cutting member of saw chain, including the cutting piece, the cutting piece is including integrative connecting portion, cutting tooth and the limit material tooth that sets up, limit material tooth and cutting tooth lie in same one side of connecting portion, be provided with the rivet hole on the connecting portion, the rivet hole distributes along the direction of motion, is preceding rivet hole and back rivet hole respectively, the cutting tooth corresponds with back rivet hole, limit material tooth corresponds with preceding rivet hole. Adopt above-mentioned structure, provide a cutting member that cutting resistance is littleer, saw cuts more steadily.

Description

Cutting component of saw chain

Technical Field

The utility model relates to an use cutting member of saw chain of lithium cell as power supply.

Background

It is known from chinese patent CN101417449B that the cutting element of the prior art generally comprises a base body and a cutting tooth made of hard metal fixed thereon, which tooth comprises a top cover section and a connecting edge, wherein the base body has a rivet hole and is provided with a recess for chip removal in front of the cutting tooth in the direction of travel of the cutting element, wherein the base body consists of a flat platelet and the side of the cutting tooth partially covers the recess, and wherein the connecting edge of the cutting tooth is in face-to-face contact on the side of the base body and the cutting tooth is connected to the base body (2) by means of a hard solder material.

According to the prior art, the cutting teeth and the base body are separately arranged, and the cutting member needs to be matched with other driving elements for use, refer to chinese patent CN1657242A, the structure is complex, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a cutting resistance is smaller, saw cuts more steady cutting member.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a cutting member of saw chain, includes the cutting piece, the cutting piece is including integrative connecting portion, cutting tooth and the limit material tooth that sets up, limit material tooth and cutting tooth lie in the same one side of connecting portion, be provided with the rivet hole on the connecting portion, the rivet hole distributes along the direction of motion, is preceding rivet hole and back rivet hole respectively, the cutting tooth corresponds with back rivet hole, limit material tooth corresponds with preceding rivet hole.

As a further setting of the utility model, the cutting member still includes the clear bits tooth, clear bits tooth is located the opposite side relative with the cutting tooth on the connecting portion, clear bits tooth is located around between the rivet hole.

As a further feature of the present invention, the cutting teeth have a flute formed thereon for chip removal, the cutting teeth include a top section with a top edge and a side section with a side edge, the flute is located between the top section and the side section.

As a further configuration of the present invention, the lateral section is formed by extending the connecting portion toward the first side of the connecting portion in an inclined manner, the top section is formed by extending the top end of the lateral section toward the second side of the connecting portion in a first direction, the first side and the second side are opposite sides of the connecting portion in the first direction, and the end surface of the top section exceeds the plane of the second side of the connecting portion.

As a further setting of the utility model, the top sword has the top sword mill flour of setting on the terminal surface of top district section orientation limit material tooth, the both sides of top sword mill flour along traffic direction X are the outer arris of top sword and the interior arris of top sword respectively, the outer arris of top sword is closer to the limit material tooth than the interior arris of top sword, the outer arris of top sword is more than in the interior arris of top sword and is farther away from connecting portion, the connecting wire of the outer arris of top sword and the interior arris of top sword on the terminal surface and the central connecting wire's of front and back rivet hole contained angle alpha are located the second quadrant, the part that the outer arris of top sword is located the top surface and the contained angle theta of first direction are located the fourth quadrant.

As a further arrangement of the present invention, the top surface of the top section is inclined along the running direction toward the direction away from the connecting portion, and the top surface has a height difference along the two ends of the running direction to form a cleaning area for self-cleaning.

As a further setting of the utility model, limit material tooth has a perpendicular arris towards one side of cutting tooth, erect the arris and be located one side that preceding rivet hole central point kept away from the cutting tooth, the peak of limit material addendum face is less than the peak of top district section top surface, and the difference in height between the two forms limit material district.

As a further setting of the utility model, the lateral part district section has the vertical section of being connected with the top district section and the slope section of being connected with connecting portion, the sword limit of side sword comprises the segmental arc of two indents, and two segmental arcs correspond vertical section and slope section respectively, the sunken constitution that top district section, vertical section and slope section connected gradually the formation the chip groove, the cutting tooth is greater than the side profile of keeping away from the limit material tooth towards one side profile of limit material tooth.

As a further setting of the utility model, the below of connecting portion becomes the triangle-shaped constitution of inversion clear bits tooth, clear bits tooth is last to have a breach, the opening of breach is towards the traffic direction, and its bottom surface is the arc concave surface, and traffic direction and downwardly extending to the outer peripheral face of clear bits tooth are followed respectively at the both ends of this arc concave surface.

Among the above-mentioned technical scheme, connecting portion, cutting tooth and the integrative setting of limit material tooth, the high manufacturing saw chain raw and other materials of integrated level are still less, and the precision of cutting the piece is higher, and the incision width is narrow, and it is few to reduce the wood cross-section of excision because of the saw way, practices thrift timber.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a saw chain according to an embodiment of the present invention;

FIG. 2 is a top view of the saw chain according to the embodiment of the present invention;

FIG. 3 is an exploded view of a saw chain according to an embodiment of the present invention;

FIG. 4 is a front view of a cutting element according to an embodiment of the present invention;

FIG. 5 is a side view of a cutting element according to an embodiment of the present invention;

FIG. 6 is a top view of a cutting element according to an embodiment of the present invention;

FIG. 7 is a perspective view of a cutting element according to an embodiment of the present invention;

fig. 8 is a front view of a saw chain according to an embodiment of the present invention.

Detailed Description

The embodiment of the present invention is shown in fig. 1-8, a cutting member for a saw chain, as shown in fig. 1 and 2, when the cutting member of the present invention is applied to a saw chain, the saw chain comprises

A cutter 100, a left cutter 110 and a right cutter 120, respectively;

a connecting piece 200, which is a left connecting piece 210 and a right connecting piece 220 respectively, for connecting the cutting piece 100;

the left cutting piece 110 and the right cutting piece 120 are mirror-symmetrical, the left connecting piece 210 and the right connecting piece 220 are mirror-symmetrical, the left cutting piece 110 and the right cutting piece 120 are sequentially and alternately arranged on the same axis 10 along the running direction, and the adjacent left cutting piece 110 and the right cutting piece 120 are hinged through the left connecting piece 210 and the right connecting piece 220 which are oppositely arranged along the first direction 20; left side cutting member 110 and right cutting member 120 are adjacent to be set up, be located between left connection piece 210 and the right connection piece 220, saw road width a is narrow, it is few to reduce the wood cross-section of excision because of the saw road, save timber, because saw road width a is narrow, its cutting resistance is also littleer, saw cut more steadily, this saw chain generally all uses the lithium cell as the power supply, after the resistance diminishes, its time of endurance prolongs greatly, alternate arrangement about the cutting tooth, saw cut sharper, cutting efficiency is higher, it is more careful to cut, avoid being torn the phenomenon by cutting object surface, kerf both sides face levels smoothly.

In this embodiment, as shown in fig. 4, the cutting member 100 includes a connecting portion 101, a cutting tooth 102, a material limiting tooth 103, and a scrap removing tooth 104, the connecting portion 101, the cutting tooth 102, the material limiting tooth 103, and the scrap removing tooth 104 are integrally disposed, the integrated cutting member is less in raw material for manufacturing the saw chain, the connecting portion 101 is sheet-shaped, the connecting portion 101, the material limiting tooth 103, and the scrap removing tooth 104 are located on the same plane, the material limiting tooth 103 and the cutting tooth 102 are located on the upper side of the connecting portion 101, the scrap removing tooth 104 is located on the lower side of the connecting portion 101, a rivet hole 105 is provided on the connecting portion 101, the rivet holes 105 are distributed along the moving direction and are a front rivet hole 105 and a rear rivet hole 105, respectively, the cutting tooth 102 corresponds to the rear rivet hole 105, the material limiting tooth 103 corresponds to the front rivet hole 105, and the scrap removing tooth 104 is located between the front rivet hole 105 and the rear rivet hole 105. The left cutting member 110 and the right cutting member 120 are alternately arranged along the axis 10, and the distance between the left cutting member 110 and the right cutting member 120 in the first direction 20 is zero, which greatly shortens the saw street width a.

In this embodiment, one end of the left connecting piece 210 and one end of the right connecting piece 220 are connected to the left cutting piece 110, and the other end of the left connecting piece 210 and the other end of the right connecting piece 220 are connected to the right cutting piece 120, the left connecting piece 210 and the left cutting piece 110 or the right cutting piece 120 and the right connecting piece 220 are connected in the first direction 20 by a rivet 300, and the lower half parts of the two ends of the connecting piece 200 are inclined planes 201 inclined towards the middle. Along traffic direction X, the one end of connection piece 200 is connected on the back rivet hole 105 of preceding cutting member 100, the other end is connected on the preceding rivet hole 105 of following cutting member 100, the central connecting line 30 of the central point of front and back rivet hole 105 is parallel with axis 10, when the saw chain was around on the guide rail (not shown, here the guide rail is the guide rail of electric chain saw), an arc section has on the guide rail, two adjacent connection pieces 200 along traffic direction X have certain contained angle, consequently, the lower half of connection piece 200 can be drawn close each other, the setting of inclined plane 201 is for stepping down, avoid mutual butt interference.

In this embodiment, as shown in fig. 8, the lower side of the connecting piece 200 has an upwardly concave inner surface 202, and both ends of the inner surface 202 are transitionally connected with the inclined surface 201 through a flat surface 203. The concave surface 202 is also provided for yielding, and materials and cost are saved.

In this embodiment, the cutting tooth 102 has a recess forming a chip discharge groove 106 for discharging chips, the cutting tooth 102 includes a top section 112 with a top edge 1121 and a side section 122 with a side edge 1221, and the chip discharge groove 106 is located at the connection of the top section 112 and the side section 122.

In this embodiment, as shown in fig. 5, the side section 122 is formed by extending the connecting portion 101 obliquely upward toward the first side 1011 of the connecting portion 101, the top section 112 is formed by extending the top end of the side section 122 toward the second side 1012 of the connecting portion 101 along the first direction 20, the first side 1011 and the second side 1012 are opposite sides of the connecting portion 101 along the first direction 20, the end face 1122 of the top section 112 exceeds the plane of the second side 1012 of the connecting portion 101, and the end face 1122 is disposed obliquely.

In the present exemplary embodiment, as shown in fig. 4 and 6, the top edge 1121 has a top sharpening surface 1123 arranged on the end face of the top section 112 facing the setting tooth 103, the top sharpening surface 1123 is flanked in the running direction X by a top outer edge 1124 and a top inner edge 1125, respectively, the top outer edge 1124 being closer to the setting tooth 103 than the top inner edge 1125, the top outer edge 1124 being further from the connecting portion 101 than the top inner edge 1125, the connecting line 40 of the top outer edge 1124 and the top inner edge 1125 on the end face having an angle α with the central connecting line 30 of the front and rear rivet holes 105 in a second quadrant, preferably an angle α of 57 °, the part of the top outer edge 1124 on the top face 1126 having an angle θ with the first direction 20 in a fourth quadrant, preferably an angle θ of 32 °.

In the present embodiment, as shown in fig. 4, the top surface 1126 of the top section 112 is inclined in the running direction X toward a position away from the connecting portion 101, and both ends of the top surface 1126 in the running direction X have a height difference to form a cleaning region 1127 for self-cleaning.

In the present embodiment, as shown in fig. 4, a side of the material limiting tooth 103 facing the cutting tooth 102 has a vertical edge 1031, the vertical edge 1031 is located on a side of the center point 1051 of the front rivet hole 105 away from the cutting tooth 102, and a highest point of the top surface 1126 of the material limiting tooth 103 is lower than a highest point of the top surface 1126 of the top section 112, and a height difference therebetween forms a material limiting zone 1032. The cutting piece is avoided rocking about when the cutting from taking the direction function, and it is more steady to saw cut, and the volume of limit material tooth is less, and the direction resistance is littleer when saw cutting.

In the present embodiment, as shown in fig. 4, the side section 122 has a vertical section 1222 connected to the top section 112 and an inclined section 1223 connected to the connecting portion 101, the edge of the side edge 1221 is formed by two concave arc-

shaped sections

1224 and 1225, the two arc-

shaped sections

1224 and 1225 correspond to the vertical section 1222 and the inclined section 1223, respectively, the intersection point of the two arc-

shaped sections

1224 and 1225 is located at the bending point of the vertical section 1222 and the inclined section 1223, the depression formed by the top section 112, the vertical section 1222 and the inclined section 1223 connected in sequence forms the flute 106, and the side profile 1021 of the cutting tooth 102 facing the material limiting tooth 103 is greater than the side profile 1022 far from the material limiting tooth 103.

In this embodiment, as shown in fig. 4, an inverted triangle is formed below the connecting portion 101 to form the chip-removing tooth 104, the chip-removing tooth 104 has a notch 1041, an opening of the notch 1041 faces the operation direction X, a bottom surface of the notch 1041 is an arc-shaped concave surface 1042, and two ends of the arc-shaped concave surface 1042 respectively extend to an outer circumferential surface of the chip-removing tooth 104 along the operation direction X and downward. A central axis 10 perpendicular to the central connecting line is arranged between the front rivet hole and the rear rivet hole, and the notch 1041 is located in front of the central axis 10 in the running direction X.

In this embodiment, an inwardly concave U-shaped jaw 107 is formed between the material-limiting tooth 103 and the cutting tooth 102.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The utility model discloses do not confine to above-mentioned embodiment, the general technical staff in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a project organization and thinking are simply changed or are changed, all fall into the protection scope of the utility model.

Claims

1. A cutting member of a saw chain comprising a cutting element, characterized in that: the cutting piece includes integrative connecting portion, cutting tooth and the limit material tooth that sets up, limit material tooth and cutting tooth lie in same one side of connecting portion, be provided with the rivet hole on the connecting portion, the rivet hole distributes along the direction of motion, is preceding rivet hole and back rivet hole respectively, the cutting tooth corresponds with back rivet hole, limit material tooth corresponds with preceding rivet hole.

2. The cutting member of a saw chain of claim 1, wherein: the cutting piece further comprises a scrap cleaning tooth, the scrap cleaning tooth is located on the other side, opposite to the cutting tooth, of the connecting portion, and the scrap cleaning tooth is located between the front rivet hole and the rear rivet hole.

3. The cutting member of a saw chain of claim 1, wherein: the cutting tooth is provided with a sunken chip removal groove for chip removal, the cutting tooth comprises a top section with a top edge and a side section with a side edge, and the chip removal groove is located at the connection of the top section and the side section.

4. A cutting member of a saw chain according to claim 3, characterized in that: the side section is formed by extending the connecting part towards the first side of the connecting part in an inclined manner, the top section is formed by extending the top end of the side section towards the second side of the connecting part along the first direction, the first side and the second side are two opposite sides of the connecting part along the first direction, and the end face of the top section exceeds the plane of the second side of the connecting part.

5. A cutting member of a saw chain according to claim 3, characterized in that: the top blade is provided with a top blade grinding surface arranged on the end face, facing the material limiting tooth, of the top section, wherein the two sides of the top blade grinding surface in the operation direction X are a top blade outer edge and a top blade inner edge respectively, the top blade outer edge is closer to the material limiting tooth than the top blade inner edge, the top blade outer edge is farther away from the connecting portion than the top blade inner edge, the included angle alpha between the connecting line of the top blade outer edge and the top blade inner edge on the end face and the central connecting line of the front rivet hole and the rear rivet hole is located in a second quadrant, and the included angle theta between the part of the top blade outer edge located on the top face and the first direction is located in a fourth quadrant.

6. A cutting member of a saw chain according to claim 3, characterized in that: the top surface of the top section is inclined in the running direction to a position far away from the connecting part, and the two ends of the top surface in the running direction have a height difference to form a cleaning area for self-cleaning.

7. A cutting member of a saw chain according to claim 3, characterized in that: the material limiting tooth is characterized in that a vertical edge is arranged on one side, facing the cutting tooth, of the material limiting tooth, the vertical edge is located on one side, away from the cutting tooth, of the center point of the front rivet hole, the highest point of the top surface of the material limiting tooth is lower than that of the top surface of the top section, and a material limiting area is formed by the height difference between the material limiting tooth and the top surface of the top section.

8. A cutting member of a saw chain according to claim 3, characterized in that: the side section is provided with a vertical section connected with the top section and an inclined section connected with the connecting part, the edge of the side edge is composed of two concave arc sections, the two arc sections correspond to the vertical section and the inclined section respectively, the concave parts formed by sequentially connecting the top section, the vertical section and the inclined section form the chip discharge groove, and the profile of one side of the cutting tooth facing the material limiting tooth is larger than the profile of one side of the cutting tooth far away from the material limiting tooth.

9. The cutting member of a saw chain according to claim 2, wherein: the lower part of the connecting part forms an inverted triangle to form the chip cleaning tooth, the chip cleaning tooth is provided with a notch, the opening of the notch faces the running direction, the bottom surface of the notch is an arc concave surface, and two ends of the arc concave surface respectively extend to the peripheral surface of the chip cleaning tooth along the running direction and downwards.