CN212707229U

CN212707229U - Single-plate tooth-shaped tooth cutting tool

Info

Publication number: CN212707229U
Application number: CN202020423957.8U
Authority: CN
Inventors: 贺亚辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-03-16
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a veneer tooth-shaped gear cutting tool, which is used in the field of splicing equipment for forming a tooth-shaped structure interface at the edge of a veneer, wherein at least one of an upper tooth-shaped cutter and a lower tooth-shaped cutter has an edge blade higher than other parts in front of the edge blade; when the single-plate tooth-shaped tooth cutting tools are matched with each other for cutting teeth, the single plate is positioned between the upper tooth-shaped cutter and the lower tooth-shaped cutter, and when the raised tooth-shaped edge cutting edge is cut into the single plate, the cutter groove provides a containing vacancy for the cut-in single plate, so that the tooth-shaped edge cutting edge can cut a corresponding tooth-shaped structure on the single plate. According to the technical scheme, the interfaces cut out of the single plates are less extruded, the cut interfaces are smooth, the burrs of the cut interfaces are less, and the stress performance and the attractiveness of the interfaces are improved.

Description

Single-plate tooth-shaped tooth cutting tool

Technical Field

The utility model is used for at the concatenation equipment of veneer edge formation profile of tooth structure interface, particularly, relate to a veneer profile of tooth cutter.

Background

Plywood is widely applied to main materials in furniture manufacturing, decoration and decoration, along with the development of the society, the requirements of people on the quality of materials are improved, more and more people are interested in the appearance and the quality of the plywood, and therefore the plywood manufacturing industry is promoted to develop to the social needs.

Veneers are thin wood materials of uniform thickness produced by rotary cutting or slicing or sawing of wood, typically between 1mm and 6mm thick and typically between 500mm and 1500mm in area, and are used mainly for the production of plywood and other plywood laminates. At present, the wood raw materials meeting the production requirements of the breadth of the finished plywood are few, and in order to meet the production requirements, the edges of two or more veneers are spliced in the same direction respectively according to the forward direction and the transverse direction of the growing fiber grains of the wood. Wherein, the production process comprises the steps of cutting the tooth-shaped interface at the forward edge of the fiber grain grown on two or more single boards, gluing the interface, and splicing the tooth-shaped interface, the interface has the advantages of good stress performance and smooth interface, at present, the splicing schemes disclosed in recent years in China are numerous, such as chinese patent CN209868864U, chinese patent CN207465420U and the prior patent applications of the present applicant in this respect, wherein, the tooth-shaped structure interface is formed at the edge of the single plate by the tooth-shaped cutter, the existing tooth-shaped cutter adopts a flat cutting edge to punch teeth at the edge of the single plate, the tooth punching cutter with the flat cutting edge has the obvious defects that a single plate is seriously extruded during tooth punching, the punched single plate has uneven interfaces, the interfaces have more burrs, and the interfaces are compressed or cracked, so that the gluing of the single plate interfaces is uneven, the splicing gaps of the interfaces are large, and the attractiveness and the stress performance of splicing are seriously influenced.

In view of the above, it is important to develop a single-plate tooth-shaped cutter capable of solving the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the technical problem who exists among the above-mentioned prior art, provide a veneer profile of tooth cutter, it cuts the veneer profile of tooth structure interface that receives the extrusion for a short time, and the interface that cuts levels, and the interface burr that cuts is few, has improved veneer interface atress performance and pleasing to the eye.

The utility model provides a technical scheme that its technical problem adopted is: a single plate tooth form cutting tool comprising:

the upper tooth-shaped cutter and the lower tooth-shaped cutter are provided with at least one tooth-shaped edge which is higher than other parts in front of the cutting edge and is a convex tooth-shaped edge cutting edge; the upper tooth-shaped cutter and the lower tooth-shaped cutter are matched with each other to cut a tooth-shaped structure on the veneer.

Preferably, the front of the cutting edge of the upper toothed cutter faces downwards, the upper toothed cutter is correspondingly arranged on the movable upper cutter beam, and a material returning block is arranged behind the cutting edge of the upper toothed cutter in consideration of tooth cutting material returning; the front surface of the cutting edge of the lower tooth-shaped cutter faces upwards, the corresponding lower surface of the cutting edge of the lower tooth-shaped cutter is arranged on the lower cutter beam, and considering that the material returned by the cutting teeth and the waste material fall off from the rear surface of the cutting edge of the lower tooth-shaped cutter, a taper angle is arranged along the rear surface of the cutting edge of the lower tooth-shaped cutter or a space avoiding position larger than the cutting edge of the tooth-shaped edge is.

Preferably, the oil cylinder can drive the upper knife beam to move, and a plurality of guide sleeves are arranged at two ends of the upper knife beam; the two ends of the lower knife beam are respectively provided with a guide post which can be matched and moved with the guide sleeves respectively arranged at the two ends of the upper knife beam; the oil cylinder drives the upper tooth-shaped cutter and the lower tooth-shaped cutter to be matched with the guide post through the guide sleeve so as to cut the single plate between the upper tooth-shaped cutter and the lower tooth-shaped cutter into a tooth-shaped structure.

Compared with the prior art, the technical scheme has the advantages or beneficial effects that: when the single plate is cut, the cutter groove provides a containing vacancy for the cut single plate, so that the corresponding tooth-shaped structure is cut on the single plate by the tooth-shaped edge, and the tooth punching technology of the existing flat-edge cutter to the single plate is converted into the tooth cutting technology with small extrusion force. The single-board interface cut by the technical scheme is little extruded, the cut interface is smooth, the cut interface has few burrs, and the stress performance and the appearance of the interface are improved.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of an embodiment of a cutting tooth of the present invention;

FIG. 2 is a schematic major surface view of one of the toothed blade configurations shown in FIG. 1;

fig. 3 is a schematic cross-sectional view of a toothed cutter configuration as shown in fig. 2.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the present invention, if there are descriptions of directions (up, down, left, right, front, back) and positions (both ends, both sides, bottom, inside, outside), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, "a plurality" means one or more, "a plurality" means two or more, "more than", "less than", "more than", and the like, which means that the number is not included; the terms "above", "below", "within" and the like are to be understood as including the number.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection, may be communication within two elements or may be an interactive relationship of two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a single-plate tooth-shaped gear cutting tool, which includes

At least one of the upper tooth-shaped cutter 1 and the lower tooth-shaped cutter 2 is gradually sunken 11 towards the corresponding inner side of the front surface 9 of the cutting edge along the cutting edge 8 of the tooth-shaped edge to form a cutter groove 12, the cutting edge 8 along the tooth-shaped edge is convex and is higher than the part of the gradual sunken 11 and the part of the cutter groove 12, and the front surface 9 of the cutting edge refers to the surface of the tooth cutting area of the cutter; the edge cutting edges 8 of the plurality of tooth-shaped tooth cutting structures 13 which are matched with each other in shape of the upper tooth-shaped cutter 1 and the lower tooth-shaped cutter 2 are connected, and the edges of the single plates positioned between the upper tooth-shaped cutter 1 and the lower tooth-shaped cutter 2 are cut into corresponding tooth-shaped structures through mutual matching.

Wherein, the tooth-shaped cutter can refer to the upper tooth-shaped cutter 1 and the lower tooth-shaped cutter 2 at the same time, or one of the two; the shape of the tooth-shaped cutting structure 13 matched with the upper tooth-shaped cutter 1 and the lower tooth-shaped cutter 2 can be, but is not limited to, triangular teeth, circular teeth, rectangular teeth and the like.

When the single-plate tooth-shaped tooth cutting tools are matched with each other for cutting teeth, the single plate is positioned between the upper tooth-shaped cutter 1 and the lower tooth-shaped cutter 2, and when the raised tooth-shaped edge cutting edge 8 is cut into the single plate, the cutter groove 12 provides a holding vacancy for the cut-in single plate, so that the tooth-shaped edge cutting edge can cut a corresponding tooth-shaped structure on the single plate. According to the technical scheme, a means of punching teeth with a flat cutting edge in the prior art is abandoned, the cut single plate interface is less extruded, the cut interface is flat, the cut interface has less burrs, and the stress performance and the appearance of the interface are improved.

In some embodiments, the upper serrated knife 1 and the lower serrated knife 2 may be, but not limited to, one of the serrated knives is a flat cutting edge, preferably, referring to fig. 1, 2, and 3, the front edge 9 of the upper serrated knife 1 faces downward, the front edge 9 of the cutting edge is arranged to be an inclined surface in view of dispersing the stress surface of the cutting tooth, and is correspondingly arranged on the movable upper knife beam 3, and the rear edge 10 of the upper serrated knife 1 is provided with a stripper in view of stripping the cutting tooth; the front surface 9 of the cutting edge of the lower serrated knife 2 faces upwards, the corresponding lower surface of the cutting edge is arranged on the lower knife beam 4, and considering that the material returned from the gear cutting and the waste material fall off from the rear surface 10 of the cutting edge of the lower serrated knife 2, a taper angle is arranged along the rear surface 10 of the cutting edge of the lower serrated knife or a clearance position larger than the cutting edge 8 of the serrated edge is arranged, and the function of the cutter is convenient for the material returned from the gear cutting and the waste material fall off.

In some embodiments, the oil cylinder 7 may be, but is not limited to, capable of driving the lower knife beam 4 to move, preferably, referring to fig. 1, the oil cylinder 7 is capable of driving the upper knife beam 3 to move, and both ends of the upper knife beam 3 are provided with a plurality of guide sleeves 5; two ends of the lower knife beam 4 are respectively provided with a guide post 6 which can be matched with a plurality of guide sleeves 5 respectively arranged at two ends of the upper knife beam 3 for movement; the oil cylinder 7 drives the upper serrated knife 1 and the lower serrated knife 2 to be matched with the guide post 6 through the guide sleeve 5 so as to cut a serrated structure on the single plate between the two serrated knives.

Wherein, the upper tooth-shaped cutter 1 and the lower tooth-shaped cutter 2 are both made of metal materials with high hardness and small deformation; the guide sleeve 5 is an oilless sleeve with solid lubricant embedded inside, but can be but is not limited to a common guide sleeve.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. Veneer profile of tooth cutter, including last profile of tooth sword and lower profile of tooth sword, its characterized in that: the upper tooth-shaped cutter and the lower tooth-shaped cutter are provided with at least one tooth-shaped edge which is higher than other parts in front of the cutting edge and is a convex tooth-shaped edge cutting edge; the upper tooth-shaped cutter and the lower tooth-shaped cutter are matched with each other to cut a tooth-shaped structure on the veneer.

2. The single-plate toothed cutting tool according to claim 1, characterized in that: the front of the cutting edge of the upper tooth-shaped cutter faces downwards, the upper side of the cutting edge of the upper tooth-shaped cutter is correspondingly arranged on the movable upper cutter beam, and a material returning block is arranged behind the cutting edge of the upper tooth-shaped cutter in consideration of gear cutting material returning; the front surface of the cutting edge of the lower tooth-shaped cutter faces upwards, the corresponding lower surface of the cutting edge of the lower tooth-shaped cutter is arranged on the lower cutter beam, and considering that the material returned by the cutting teeth and the waste material fall off from the rear surface of the cutting edge of the lower tooth-shaped cutter, a taper angle is arranged along the rear surface of the cutting edge of the lower tooth-shaped cutter or a space avoiding position larger than the cutting edge of the tooth-shaped edge is.

3. The single-plate toothed cutting tool according to claim 2, characterized in that: the oil cylinder can drive the upper knife beam to move, and a plurality of guide sleeves are arranged at two ends of the upper knife beam; the two ends of the lower knife beam are respectively provided with a guide post which can be matched and moved with the guide sleeves respectively arranged at the two ends of the upper knife beam; the oil cylinder drives the upper tooth-shaped cutter and the lower tooth-shaped cutter to be matched with the guide post through the guide sleeve so as to cut the single plate between the upper tooth-shaped cutter and the lower tooth-shaped cutter into a tooth-shaped structure.