CN212288929U

CN212288929U - Cutter and cutter assembly

Info

Publication number: CN212288929U
Application number: CN202020656898.9U
Authority: CN
Inventors: 庄浩然; 张龙; 伍俊; 姚荣贵
Original assignee: Shenzhen Handway Industrial Digital Equipment Co ltd
Current assignee: Shenzhen Handway Industrial Digital Equipment Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-01-05
Anticipated expiration: 2030-04-26

Abstract

The embodiment of the utility model relates to the technical field of machining tools, a cutter and cutter assembly is disclosed, the cutter includes the cutter body, the cutter body is the arch, the cutter body includes interior arc portion, outer arc portion and is located connecting portion between the two, the one end of outer arc portion is equipped with the tool bit, the other end of outer arc portion is provided with the supporting part, be equipped with the arc recess that sets up along the arcwall face of outer arc portion between tool bit and the supporting part, the both sides of arc recess are equipped with a plurality of sawtooth, wherein, the tool bit is equipped with the inclined plane, and the cutting edge of tool bit is a terminal edge on inclined plane, wherein, the cutting edge is followed a side of cutter body sets up towards another. From this, when the user used this cutter processing to treat the machined part, the cutting edge of tool bit and the machined surface of treating the machined part changed into the line contact by the point contact, improved the cutting dynamics of cutting edge to the machined surface for the machined part incision of having opened the groove is level and smooth, and it is more convenient to use.

Description

Cutter and cutter assembly

Technical Field

The embodiment of the utility model provides a relate to machining tool technical field, especially relate to a cutter and cutter unit spare.

Background

The carton is a packaging product which is most widely used in life, and is divided into a corrugated carton, a single-layer carton and the like according to different materials, and the corrugated carton, the single-layer carton and the like are generally formed by folding after a slotting cutter of a slotting machine is provided with a slot.

The utility model discloses an inventor is implementing the utility model discloses an in-process discovers: at present, the edge of the existing slotting cutter is a plane, and a workpiece is torn by the plane edge during processing, so that the paperboard processed by the plane edge cutter has rough and unsmooth cut and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the embodiment of the utility model provides a convenient to use's cutter and cutter unit spare.

The embodiment of the utility model provides a solve its technical problem and adopt following technical scheme:

a tool, comprising:

the cutter body, the cutter body is the arch, the cutter body includes interior arc portion, outer arc portion and is located connecting portion between the two, the one end of outer arc portion is equipped with the tool bit, the other end of outer arc portion is provided with the supporting part, the tool bit with be equipped with between the supporting part along the arc recess that the arcwall face of outer arc portion set up, the both sides of arc recess are equipped with a plurality of sawtooth, wherein, the tool bit is equipped with the inclined plane, just the cutting edge of tool bit does a terminal edge on inclined plane, the cutting edge is followed a side of cutter body sets up towards another relative side slope.

Optionally, the shape of the sawtooth is a triangle, a trapezoid or a crescent.

Optionally, the cutter body is provided with a notch, the notch is located at the side end of the connecting portion, and the notch and the cutter head are located on the same side.

Optionally, the shape of the notch is an arc.

Optionally, connecting portion are equipped with a plurality of fixed orifices, a plurality of fixed orifices equidistance distribute in connecting portion.

Optionally, the cutting edge of the cutter head is provided with a plurality of cutting teeth.

The embodiment of the utility model provides a solve its technical problem and still adopt following technical scheme:

a cutter assembly, comprising:

a tool as described above;

a rotary disk to which the cutter is detachably attached;

the rotary disc is sleeved on the rotary shaft and is fixedly connected with the rotary shaft.

Optionally, the cutter assembly further comprises a pressing strip, and the pressing strip is detachably mounted on the rotary disc.

Optionally, the cutter further comprises a key seat, the key seat is detachably mounted on the rotary disc, a key groove is formed in the inner wall of the key seat, and the key groove is used for being mounted in a matched manner with the rotary shaft.

Optionally, the number of the tools is two, the tools are respectively a first tool and a second tool, the first tool and the second tool are mounted on the rotary disc side by side, and the supporting portion of the first tool and the supporting portion of the second tool are abutted against each other.

The embodiment of the utility model provides a beneficial effect is: the embodiment of the utility model provides a cutter, including the cutter body, the cutter body is the arch, and the cutter body includes inner arc portion, outer arc portion and is located connecting portion between the two, and the one end of outer arc portion is equipped with the tool bit, and the other end of outer arc portion is provided with the supporting part, is equipped with the arc recess that sets up along the arcwall face of outer arc portion between tool bit and the supporting part, and the both sides of arc recess are equipped with a plurality of sawtooth, and wherein, the tool bit is equipped with the inclined plane, and the cutting edge of tool bit is a terminal edge on inclined plane, and wherein, the cutting edge is followed a side of cutter body sets. From this, when the user used this cutter processing to treat the machined part, the cutting edge of tool bit and the machined surface of treating the machined part changed into the line contact by the point contact to strengthened the cutting dynamics of cutting edge to the machined surface, made the machined part incision of having opened the groove level and smooth, it is more convenient to use.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

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

FIG. 2 is a schematic view of another angle of FIG. 1;

FIG. 3 is a schematic view of another angle of FIG. 1;

FIG. 4 is a schematic view of another angle of FIG. 3;

FIG. 5 is a schematic structural view of a cutter assembly according to another embodiment of the present invention;

fig. 6 is a schematic view of the structure of fig. 5 from another angle.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like as used herein are used in the description to indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-2, the utility model discloses a cutter 100 that one of them embodiment provided, including the cutter body, the cutter body is the arch, the cutter body includes outer arc portion 10, interior arc portion 20 and is located connecting portion 30 between the two, the one end of outer arc portion 10 is equipped with tool bit 11, the other end of outer arc portion 10 is provided with supporting part 12, tool bit 11 with be equipped with the edge between the supporting part 12 the arc recess 40 that the arcwall face of outer arc portion 10 set up, the both sides of arc recess 40 are equipped with a plurality of sawtooth 41, wherein, tool bit 11 is equipped with inclined plane 111, just cutting edge 112 of tool bit 11 does a limit of inclined plane 111, the cutting edge certainly a side of cutter body sets up to another relative side slope. Thereby, when the user uses the tool to machine a member to be machined, the cutting edge 112 of the tool bit 11 can make point contact with the machining surface of the member to be machined, so that the machining surface of the member to be machined can be quickly pierced, and then further machining can be performed. It can be understood that when the cutting edge 112 contacts with the processing surface in a point manner, the smaller the contact area is, the higher the pressure is, the easier the processing surface is processed, that is, the sharper the cutting edge 112 is, so that the notch of the workpiece processed by using the tool is smooth and flat, and the use is more convenient. Referring to fig. 3 and 4, in some embodiments, the inclined surface 111 and two opposite side surfaces of the cutter body form a predetermined angle, and the predetermined angle is greater than 0 ° and smaller than 90 °. The cutting edge 112 is not perpendicular or parallel to the two sides of the cutter body, so that the cutting edge 112 is first in point contact with the surface to be machined and is converted into line-surface contact with the rotation of the cutter.

In some embodiments, the saw teeth 41 are triangular, trapezoidal or crescent shaped, and in this embodiment, the saw teeth 41 are crescent shaped.

In some embodiments, as shown in fig. 2, the cutter body is provided with a notch 50, the notch 50 is located at the side end of the connecting portion 30, and the notch 50 is located at the same side as the cutter head 11. The notch 50 may have various shapes, such as an arc shape, a combination shape of two arc shapes and a middle square shape, or other shapes, and in this embodiment, the notch 50 has an arc shape. Understandably, when the cutter body is grooving the workpiece, the notch 50 can prevent the end of the cutter body from abutting against the groove edge of the workpiece to be machined during the machining process to tear the workpiece to be machined, thereby avoiding the damage to the shape of the notch of the workpiece to be machined.

In some embodiments, the connecting portion 30 is provided with a plurality of fixing holes 31, and the plurality of fixing holes 31 are equidistantly distributed in the connecting portion 30. The fixing hole 31 is used for providing a fixed connection position for the cutter body, that is, the cutter body can be fixedly installed on a processing device through the fixing hole 31. It is understood that the shape of the fixing hole 31 may be a long hole or a square hole, and in this embodiment, the shape of the fixing hole 31 is a long hole.

In some embodiments, the cutting edge 112 of the cutting head 11 is provided with a plurality of cutting teeth (not shown), and the cutting teeth may be distributed on the cutting edge at equal intervals, or may be distributed on the cutting edge at different intervals. The blade teeth may be triangular or trapezoidal, or may be in other shapes, and in this embodiment, the blade teeth are triangular.

The embodiment of the utility model provides a cutter 100, including the cutter body, the cutter body is the arch, and the cutter body includes outer arc 10, interior arc 20 and is located connecting portion 30 between the two, the one end of outer arc 10 is equipped with tool bit 11, the other end of outer arc 10 is provided with supporting part 12, tool bit 11 with be equipped with the edge between the supporting part 12 the arc recess 40 that the arcwall face of outer arc 10 set up, the both sides of arc recess 40 are equipped with a plurality of sawtooth 41, wherein, tool bit 11 is equipped with inclined plane 111, just the cutting edge 112 of tool bit 11 does an end limit of inclined plane 111, wherein, cutting edge 112 follows a side of cutter body sets up to another relative side slope. Therefore, when a user uses the tool to machine a workpiece to be machined, the cutting edge 112 of the tool bit 11 and the machining surface of the workpiece to be machined are changed from point contact to line contact, so that the cutting force of the cutting edge 112 on the machining surface is enhanced, the notch of the machined workpiece after the notch is cut is flat and smooth, and the use is more convenient.

Referring to fig. 5-6, a cutter assembly 900 according to another embodiment of the present invention includes the cutter 100 of the above embodiment, and further includes a rotary disc 200 and a rotary shaft (not shown), the cutter 100 is detachably mounted on the rotary disc 200, the rotary disc 200 is sleeved on the rotary shaft (not shown), and the rotary disc 200 is tightly connected to the rotary shaft (not shown). Specifically, when the tool is used, the rotating shaft (not shown) is driven by the outside to rotate, so as to drive the rotating disc 200 and the tool 100 to rotate, so as to process a workpiece.

In some embodiments, the tool assembly 900 further comprises a press bar 300, the press bar 300 is detachably mounted on the rotary disc 200, and the press bar 300 is used for pressing a workpiece to be processed. In order to prevent the workpiece to be machined from rotating and deviating on the workbench when the tool 100 is machined during machining, the rotary disc 200 is provided with the pressing strip 200, and the outer arc surface of the tool 100 is flush with the outer arc surface of the pressing strip 200, so that the pressing strip 300 can extrude the workpiece to be machined while rotating when the tool 100 machines the workpiece to be machined. It can be understood that the pressing strip 300 is made of an elastic material such as silicon rubber or sponge, and when the tool portion is immersed into the workpiece to be processed, the pressing strip 300 can be elastically deformed. In this embodiment, the bead 300 is made of sponge.

In some embodiments, the cutting tool assembly 900 further comprises a key holder 400, wherein the key holder 400 is detachably mounted to the rotary disk 200, and the inner wall of the key holder is provided with a key slot 410, and the key slot 410 is used for being matched with the rotary shaft (not shown) for mounting. It should be understood that, for the convenience of disassembly and assembly, a protrusion is welded on the rotation shaft (not shown) and is matched with the key slot 410, and when the rotary disk 200 is assembled on the rotation shaft (not shown), the protrusion is clamped with the key slot, so that the rotation shaft (not shown) rotates synchronously with the key seat 400 and the rotary disk 200.

In some embodiments, the number of the tools 100 is two, and the first tool 110 and the second tool 120 are respectively provided, the first tool 110 and the second tool 120 are mounted on the rotary disk 200 side by side, and the supporting portion of the first tool 110 and the supporting portion of the second tool 120 abut against each other.

It will be appreciated that when the tool assembly 900 is mounted with one of the tools 100, only one open-ended slot can be machined in the workpiece. Specifically, during machining, the conveying mechanism conveys the workpiece to be machined to the rotating shaft (not shown), the tool 100 may be used as a front tool or a rear tool, when the front tool is used, the saw teeth on the outer arc portion 10 are firstly cut in from the front edge of the workpiece to be machined, along with the rotation of the rotating shaft (not shown) and the conveying of the conveying mechanism, the notch is cut into a certain depth, and when the cutting edge of the front tool contacts the workpiece to be machined, the waste generated during the slotting of the workpiece to be machined is cut off, so as to complete the machining of the front slot. When used as a back knife, the blade 112 of the outer arc portion 10 is used to make a hole in the workpiece, and the blade 112 gradually cuts into the workpiece with the rotation of the rotation shaft (not shown), and then cuts the workpiece by the saw teeth 41 to the end of the workpiece, thereby completing the machining of the notch with one open end. It should be understood that when two cutting tools 100 are installed side by side on the rotary disk 200, that is, when two cutting tools 100 are used together to perform machining, that is, the first cutting tool 110 and the second cutting tool 120 shown in fig. 4, the cutting tool assembly 900 can machine a notch with both closed ends, at this time, the cutting edge of the front cutting tool (i.e., the first cutting tool 110) is punched with a hole before the workpiece to be machined, then the cutting head 11 is sunk into the workpiece to be machined, and then the cutting edge of the front cutting tool and the rear cutting tool (i.e., the second cutting tool 120) is cut by the saw teeth 41, and when the length of the notch reaches a preset length, the cutting edge of the rear cutting tool cuts off waste generated during the slotting, thereby completing the machining of the notch.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A tool, comprising:

2. The tool according to claim 1, wherein the serrations are triangular, trapezoidal or crescent in shape.

3. The tool according to claim 1, wherein the body is provided with a recess at a side end of the connecting portion, the recess being on the same side as the cutting head.

4. The tool according to claim 3, wherein the recess is arcuate in shape.

5. The tool according to claim 1, wherein the connecting portion is provided with a plurality of fixing holes, and the plurality of fixing holes are equidistantly distributed in the connecting portion.

6. Tool according to any one of claims 1-5, characterized in, that the cutting edge of the cutting head is provided with several cutting teeth.

7. A cutter assembly, comprising:

the tool according to any one of claims 1-6;

a rotary disk to which the cutter is detachably attached;

8. The cutter assembly of claim 7, further comprising a hold-down bar removably mounted to the turntable.

9. The cutting tool assembly of claim 8, further comprising a key holder removably mounted to the rotatable disk, the key holder having a key slot formed in an inner wall thereof, the key slot being adapted to mate with the rotatable shaft.

10. The cutter assembly according to claim 7, wherein the number of the cutters is two, and the cutters are respectively a first cutter and a second cutter, the first cutter and the second cutter are mounted on the rotary disk side by side, and the support portion of the first cutter and the support portion of the second cutter abut against each other.