CN222359381U - A circular saw blade - Google Patents
A circular saw blade Download PDFInfo
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- CN222359381U CN222359381U CN202321097670.0U CN202321097670U CN222359381U CN 222359381 U CN222359381 U CN 222359381U CN 202321097670 U CN202321097670 U CN 202321097670U CN 222359381 U CN222359381 U CN 222359381U
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Abstract
本实用新型提供了一种圆锯片，属于机械技术领域。它解决了现有圆锯片稳定性差的问题。本圆锯片，包括刀头和呈圆盘状的基体，所述基体外边沿处具有若干凸出的刀座，所述刀座沿基体外边沿周向均布，上述刀头固连在刀座处，其特征在于，上述刀座一侧具有凹入的定位凹口，上述刀头与定位凹口相匹配且刀头连接定位凹口处，所述刀头上端伸出于刀座，所述刀头下端为定位沿一，所述刀头内侧为定位沿二，上述定位沿一连接在定位凹口底部处，上述定位沿二连接在定位凹口侧部处。其优点在于圆锯片强度高，结构紧凑，稳定性高，切削性能好。
The utility model provides a circular saw blade, belonging to the field of mechanical technology. It solves the problem of poor stability of existing circular saw blades. The circular saw blade includes a cutter head and a disc-shaped base body, the outer edge of the base body is provided with a plurality of protruding cutter seats, the cutter seats are evenly distributed along the circumference of the outer edge of the base body, the cutter head is fixedly connected to the cutter seat, and is characterized in that one side of the cutter seat is provided with a concave positioning notch, the cutter head matches the positioning notch and the cutter head is connected to the positioning notch, the upper end of the cutter head extends out of the cutter seat, the lower end of the cutter head is a first positioning edge, the inner side of the cutter head is a second positioning edge, the first positioning edge is connected to the bottom of the positioning notch, and the second positioning edge is connected to the side of the positioning notch. The advantages are that the circular saw blade has high strength, compact structure, high stability and good cutting performance.
Description
Technical Field
The utility model belongs to the technical field of machinery, and relates to a circular saw blade.
Background
The circular saw blade is used as a cutting tool for machining stone, timber, ceramic, metal and other material, and has the features of thin saw body and great saw teeth, and the circular saw blade has relatively high hardness, complicated stress and high strength and cutting performance.
In order to improve the cutting performance of the circular saw blade, the cutter head with higher strength is usually fixedly connected with the edge of the disc-shaped circular saw blade matrix, the cutter head of the existing circular saw blade is fixedly connected with the edge of the matrix through welding and is circumferentially and uniformly distributed along the edge of the matrix, but the contact area of the joint of the cutter head and the matrix is smaller, the joint strength is limited, and the stability is poor.
Chinese patent publication No. CN202097849U discloses a diamond circular saw blade with parallelogram cutter head, comprising a cutter head and a base body, wherein the diamond cutter head is in the shape of a segment and is connected with the periphery of the base body, the cross section of the cutter head is in the shape of a parallelogram, the periphery of the base body is provided with an inclined plane with the same inclination angle as the cutter head, and the inclined side face of the cutter head with inclination coincides with the inclined plane of the periphery of the base body.
The strength, cutting performance and service life of the circular saw blade are enhanced to a certain extent, but the problems of high cutting resistance, more cutting workpiece bodies and poor connection stability of the cutter head and the matrix still exist due to the fact that the thickness of the cutter head is larger than that of the matrix and the cutter head is directly connected with the matrix through welding.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provide a circular saw blade with compact structure and high stability.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a circular saw blade, includes tool bit and is discoid base member, base member outside edge department has a plurality of convex blade holders, the blade holder is along base member outside circumference equipartition, and above-mentioned tool bit links firmly in blade holder department, its characterized in that, above-mentioned blade holder one side has concave location notch, and above-mentioned tool bit and location notch assorted and tool bit connection location notch department, the tool bit upper end stretches out in the blade holder, the tool bit lower extreme is the location along one, the tool bit inboard is the location along two, and above-mentioned location along one is connected in location notch bottom department, and above-mentioned location along two is connected in location notch lateral part department, and above-mentioned tool bit is metal material A, and above-mentioned base member is metal material B, metal material A's intensity is greater than metal material B's intensity.
The tool bit of this saw blade is irregular shape, all is provided with the location notch that matches with the tool bit on every blade holder, and the tool bit can inlay in location notch department, and such structure has increased the area of contact of tool bit and base member, has improved connection stability, and the tool bit upper end stretches out the blade holder simultaneously and can guarantee that whole saw blade is stable to cut the operation, and tool bit intensity is greater than base member intensity in addition, has strengthened the cutting performance of saw blade.
The first locating edge is connected with the bottom of the locating notch, the second locating edge is connected with the side of the locating notch, the contact area between the tool bit and the tool apron is increased, the connection strength is enhanced, the stability is improved, the tool apron can also play a supporting role on the tool bit when the circular saw blade is used for cutting, and the stability of the circular saw blade can be ensured when the cutting speed of the circular saw blade is improved.
In the circular saw blade, the inner end of the tool bit is fixedly connected to the positioning notch through welding.
Welding material fills between tool bit and location notch, makes the stable connection of tool bit in blade holder department, and the blade holder can also support the tool bit when the circular saw blade cutting operation moreover, avoids the tool bit overload.
In the circular saw blade, the connection part between the first positioning edge and the second positioning edge is provided with a transition part I with smooth transition.
The arrangement of the first transition part increases the contact area between the tool bit and the positioning notch, is more stable in welding connection, improves the compactness of the whole structure of the circular saw blade, and simultaneously avoids the contact of the tool apron and the workpiece to be cut as much as possible.
In the circular saw blade, the included angle between the first locating edge and the second locating edge is smaller than 90 degrees.
The structure makes the included angle of the matched positioning notch smaller than 90 degrees, the positioning notch effectively limits the cutter head, and further makes the connection between the cutter head and the cutter seat more stable.
In the circular saw blade, the first transition part is a round angle of the first positioning edge and the second positioning edge.
The transitional part of the arc-shaped surface improves the contact area between the cutter head and the positioning notch, and the joint of the cutter head and the positioning notch can be filled with more welding materials, so that the connection strength of the cutter head and the cutter seat is effectively improved.
In the circular saw blade, the depth dimension of the positioning notch is 1/4-1/2 of the height dimension of the tool apron.
The structure can ensure stable connection of the cutter head and the positioning notch, and simultaneously can shorten the size of the cutter head as much as possible, thereby properly reducing the production cost.
In the circular saw blade, the length dimension of the upper end of the tool bit extending out of the tool holder is 1/5-1/3 of the dimension of the positioning notch.
The structure can enable the upper end of the tool bit to slightly extend out of the tool holder, and the tool holder is prevented from being contacted with a workpiece to be cut as much as possible under the condition of ensuring the strength and the cutting performance.
In the circular saw blade, the upper part of the outer side of the tool bit is provided with an arc-shaped notch, and the lower part of the outer side of the tool bit is linear.
In the circular saw blade, the length of the arc-shaped notch is 1/2-2/3 of that of the tool bit.
The strength of tool bit has been promoted in the setting of arc notch, makes the circular saw blade cutting operation simultaneously wait to cut work piece location more stable, is difficult to shift, has promoted the cutting stability of circular saw blade.
In the circular saw blade, a second transition part which is in smooth transition is arranged at the joint of the upper end of the tool bit and the arc-shaped notch.
The transition part II is a circular bead of the upper end of the cutter head and the arc-shaped notch, the strength of the cutter head is improved due to the arrangement of the transition part II, and meanwhile, the safety of people when taking the circular saw blade is protected to a certain extent.
Compared with the prior art, the metal material of the circular saw blade cutter head has the advantages that the strength is higher than that of a base body, the strength and cutting performance of the circular saw blade are improved, the contact area between the cutter head and the cutter seat is larger due to the arrangement of the positioning notch, the strength and the connection stability are high after welding connection, the cutter head structure and the upper end of the cutter head slightly extend out of the cutter seat, the whole circular saw blade is compact in structure, the contact between the cutter seat and a workpiece to be cut can be effectively avoided, the service life of the circular saw blade is prolonged, and meanwhile the safety of personnel is protected to a certain extent.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of the structure of the tool bit in the present utility model.
In the figure, 1, a tool bit, a first positioning edge, a second positioning edge, a first transition part, a first d arc-shaped notch, a second transition part, 2, a base body, 2a, a tool apron and a 2a1 positioning notch are shown.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
It is noted that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" 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 "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-2, the circular saw blade comprises a tool bit 1 and a disc-shaped substrate 2, wherein a plurality of protruding tool holders 2a are arranged at the outer edge of the substrate 2, the tool holders 2a are uniformly distributed along the circumferential direction of the outer edge of the substrate 2, the tool bit 1 is fixedly connected with the tool holders 2a, one side of the tool holders 2a is provided with concave positioning notches 2a1, the tool bit 1 is matched with the positioning notches 2a1, the tool bit 1 is connected with the positioning notches 2a1, the upper end of the tool bit 1 extends out of the tool holders 2a, the lower end of the tool bit 1 is provided with a positioning edge 1a, the inner side of the tool bit 1 is provided with a positioning edge 1B, the positioning edge 1a is connected with the bottom of the positioning notch 2a1, the positioning edge 1B is connected with the side part of the positioning notch 2a, the tool bit 1 is made of a metal material A, the substrate 2 is made of a metal material B, and the strength of the metal material A is greater than that of the metal material B.
The inner end of the cutter head 1 is fixedly connected with the positioning notch 2a1 by welding.
The joint of the first locating edge 1a and the second locating edge 1b is provided with a transition part 1c with smooth transition.
The included angle between the first locating edge 1a and the second locating edge 1b is smaller than 90 degrees.
The first transition part 1c is a round angle positioned along the first transition part 1a and the second transition part 1 b.
The depth dimension of the positioning notch 2a1 is 1/4-1/2 of the height dimension of the tool holder 2 a.
The length dimension of the upper end of the cutter head 1 extending out of the cutter seat 2a is 1/5-1/3 of the dimension of the positioning notch 2a 1.
The upper part of the outer side of the cutter head 1 is provided with an arc-shaped notch 1d, and the lower part of the outer side of the cutter head 1 is linear.
The joint of the upper end of the cutter head 1 and the arc-shaped notch 1d is provided with a transition part II 1e with smooth transition.
The length of the arc-shaped notch 1d is 1/2-2/3 of that of the cutter head 1.
The tool bit 1 of this saw blade is the irregular shape, all be provided with the location notch 2a1 that matches with tool bit 1 on every blade holder 2a, such structure has increased the area of contact of tool bit 1 and blade holder 2a, tool bit 1 and location notch 2a1 welded connection, welding material fills between tool bit 1 and location notch 2a1, make the stable connection of tool bit 1 in blade holder 2a department, the compactness of saw blade overall structure has been improved, the location notch 2a1 in the blade 1 outside and the blade holder 2a that stretches out of 1 upper end can avoid blade holder 2a and by the contact of cutting work piece when guaranteeing the stable cutting operation of whole saw blade, blade holder 2a can also support tool bit 1 when the saw blade cutting operation, avoid tool bit 1 load too big, tool bit 1 intensity is greater than base member 2 intensity also has strengthened the cutting performance of saw blade, the life of saw blade is prolonged to a certain extent.
The circular saw blade is used for cutting metal, and the zirconia coating is attached to the surface of the tool bit, so that the circular saw blade can cut metal materials which are difficult to cut by a common circular saw blade.
In this embodiment, the coating has a thickness of 0.001-0.005 mm and a width extending from the cutting portion of the cutting head to the rear thereof of 5-7 mm.
The technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments are not described, however, all of the combinations of the technical features should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that suitable modifications and variations of the above embodiments are within the scope of the utility model as claimed.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321097670.0U CN222359381U (en) | 2023-05-08 | 2023-05-08 | A circular saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321097670.0U CN222359381U (en) | 2023-05-08 | 2023-05-08 | A circular saw blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222359381U true CN222359381U (en) | 2025-01-17 |
Family
ID=94221473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321097670.0U Active CN222359381U (en) | 2023-05-08 | 2023-05-08 | A circular saw blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222359381U (en) |
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2023
- 2023-05-08 CN CN202321097670.0U patent/CN222359381U/en active Active
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