CN216658481U

CN216658481U - Saw with broken powder forward-pushing structure for aerated brick cutting

Info

Publication number: CN216658481U
Application number: CN202123202145.4U
Authority: CN
Inventors: 辛爱勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-03
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a saw with a powder forward pushing structure for aerated brick cutting, which comprises a handle and a saw blade fixed on the handle, wherein the bottom end of the saw blade is uniformly provided with a plurality of convex tooth-shaped welding parts along the length direction of the saw blade, and the tip of each welding part is welded with a tooth; the both sides face of saw blade is crisscross to be seted up one row of garrulous end and pushes away the groove before, and garrulous end pushes away the groove before by first inclined plane, second inclined plane and third inclined plane constitution, and the contained angle between first inclined plane and the place saw blade side is less than the contained angle between second inclined plane and the place saw blade side, and all garrulous end push away the groove before constitute jointly and do benefit to the garrulous end that pushes away the garrulous end towards keeping away from handle direction and push away the structure. According to the utility model, the teeth made of alloy steel materials are independently welded on the saw blade, the saw blade does not need to be edged, only the welding part needs to be designed, and the saw blade can be quickly formed through stamping, the alloy steel materials used for the whole teeth are less, the cutting effect on the aerated brick is ensured, and the material cost is not greatly increased.

Description

Saw with broken powder forward-pushing structure for aerated brick cutting

Technical Field

The utility model relates to the technical field of saws, in particular to a saw with a powder forward pushing structure for aerated brick cutting.

Background

The aerated brick, namely the autoclaved aerated concrete block, is an aerated concrete block produced by a high-temperature autoclaved equipment process. The general weight of the aerated brick is 500-700kg/m ³1/4-1/5 which only corresponds to clay bricks, 1/5 which is common concrete, is the lighter one in concrete. Compared with the building structure built by aerated bricks, the building structure built by aerated bricks is made of common bricksThe self weight of the building structure built by the concrete is reduced by more than 40 percent. The aerated brick not only has light weight, but also has the advantages of good heat preservation and insulation performance, strong shock resistance and the like.

The aerated brick is usually cut by a saw in the production and use processes. Traditional saw structural design is not reasonable enough, has the weak point when cutting the air entrainment brick: firstly, the saw blade and the teeth of the traditional saw are made of the same material, if the material with better wear resistance is adopted, the overall cost is greatly increased, and if the material with poorer wear resistance is adopted, the service life is shorter; secondly, traditional saw does not set up garrulous end and pushes away mechanism forward, leads to the garrulous end of saw to go forward, and garrulous end can cover the measuring line of drawing on the air entrainment brick in advance, influences the straightness accuracy of manual cutting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problems in the prior art and provides a saw with a powder pushing structure for cutting aerated bricks.

In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:

a saw with a powder forward pushing structure for cutting aerated bricks comprises a handle and a saw blade fixed on the handle, wherein a plurality of convex tooth-shaped welding parts are uniformly arranged at the bottom end of the saw blade along the length direction of the saw blade, and teeth are welded at the tip of each welding part; the both sides face of saw blade is crisscross to be seted up one row of garrulous end and pushes away the groove before, it comprises first inclined plane, second inclined plane and third inclined plane to push away the groove before the garrulous end, one side that first inclined plane is located and is close to the handle is connected with the second inclined plane, the both ends of third inclined plane symmetric distribution at first inclined plane, second inclined plane junction, contained angle between first inclined plane and the place saw blade side is less than contained angle between second inclined plane and the place saw blade side, all it does benefit to the garrulous end that the handle direction was released with the garrulous end towards keeping away from to push away the structure before the garrulous end that pushes away the groove jointly constitutes before the garrulous end.

Further, in the saw with the chip pushing-forward structure for cutting the air brick, the maximum depth of the chip pushing-forward groove is less than 1/3 of the thickness of the saw blade.

Furthermore, in the saw with the powder pushing-forward structure for cutting the air brick, the included angle between the first inclined plane and the side face of the saw blade is 15-30 degrees.

Furthermore, in the saw with the powder forward pushing structure for cutting the air brick, an included angle between the second inclined plane and the side face of the saw blade is 60-75 degrees.

Furthermore, in the saw with the powder forward pushing structure for cutting the air brick, the included angle between the third inclined surface and the side surface of the saw blade is 30-60 degrees.

Furthermore, in the saw with the powder forward pushing structure for cutting the air bricks, the handle is provided with the anti-slip sleeve at the handle.

Further, in the saw with the powder pushing-forward structure for cutting the gas bricks, the saw blade is made of tungsten steel material.

Further, in the saw with the powder pushing structure for cutting the air bricks, the teeth are made of alloy steel materials.

Further, in a preferred aspect of the present invention, the handle is made of a metal material.

Further, another preferable aspect of the present invention is that the handle is made of a plastic material.

The utility model has the beneficial effects that:

1. according to the utility model, the teeth made of alloy steel materials are independently welded on the saw blade, the saw blade does not need to be edged, only the welding part needs to be designed, and the saw blade can be quickly formed through stamping, the alloy steel materials used for the whole teeth are less, the cutting effect on the aerated brick is ensured, and the material cost is not greatly increased.

2. According to the utility model, the sawdust forward pushing structure formed by the plurality of sawdust forward pushing grooves is additionally arranged on the saw blade, the included angle between the first inclined surface and the side surface of the saw blade in the sawdust forward pushing groove is smaller than the included angle between the second inclined surface and the side surface of the saw blade, so that when the saw blade moves towards the direction close to the human body, sawdust cannot be pushed forward by the sawdust forward pushing grooves, and when the saw blade moves away from the human body, sawdust is pushed out by the forward pushing action of the sawdust forward pushing grooves, and therefore, the sawdust is not easy to cover a measuring line which is drawn on an aerated brick in advance, and the straightness of manual cutting is ensured.

Of course, it is not necessary for any one product that embodies the utility model to achieve all of the above advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is an enlarged view of a portion of the saw blade of the present invention;

FIG. 3 is a schematic cross-sectional view of the saw blade of the present invention at the position of the groove for pushing the chopped strands;

in the drawings, the components represented by the respective reference numerals are listed below:

1-handle, 2-saw blade, 21-welding part, 22-tooth, 23-broken powder forward pushing groove, 231-first inclined plane, 232-second inclined plane, 233-third inclined plane and 3-antiskid sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

A saw with a powder forward pushing structure for cutting aerated bricks is shown in figures 1-3 and comprises a handle 1 and a saw blade 2 fixed on the handle, wherein a plurality of convex-tooth-shaped welding parts 21 are uniformly arranged at the bottom end of the saw blade 2 along the length direction of the saw blade, and teeth 22 are welded at the tip parts of the welding parts 21. The saw blade 2 is made of tungsten steel material and the teeth 21 are made of alloy steel material.

In this embodiment, a row of chopped dust forward-pushing grooves 23 are formed in the two side surfaces of the saw blade 2 in a staggered manner, the chopped dust forward-pushing grooves 23 are formed by a first inclined surface 231, a second inclined surface 232 and a third inclined surface 233, the first inclined surface 231 is located on one side close to the handle 1 and is connected with the second inclined surface 232, and the third inclined surface 233 is symmetrically distributed at two ends of the joint of the first inclined surface 231 and the second inclined surface 232. The included angle between the first inclined plane 231 and the side surface of the saw blade 2 is smaller than the included angle between the second inclined plane 232 and the side surface of the saw blade 2, and all the broken powder forward pushing grooves 23 jointly form a broken powder forward pushing structure which is beneficial to pushing out broken powder in the direction away from the handle.

In this embodiment, the maximum depth of the dust pushing groove 23 is less than 1/3 of the thickness of the saw blade.

In this embodiment, the included angle between the first inclined surface 231 and the side surface of the saw blade is 15 degrees, the included angle between the second inclined surface 232 and the side surface of the saw blade is 75 degrees, and the included angle between the third inclined surface 233 and the side surface of the saw blade 2 is 45 degrees.

In this embodiment, the handle 1 is made of metal or plastic material, and the handle 1 is located at the handle and is provided with the anti-slip sleeve 3 according to the requirement. When the handle 1 is made of a metal material, the slip-preventing bush 3 is made of a plastic or rubber material. When the handle 1 is made of plastic material, the anti-slip sheath 3 can be designed as an integral part of the handle or separately as a rubber anti-slip sheath.

One specific application of this embodiment is: through independently welding the tooth 22 of being made by alloy steel material on saw blade 2, saw blade 2 need not to open the edge, only need design weld part 21 can, accessible punching press rapid prototyping, the whole used alloy steel material of tooth 22 is less, and the guarantee can not increase material cost by a wide margin when to air entrainment brick cutting effect. Through add on saw blade 2 and be equipped with the garrulous end that pushes away groove 23 and constitute before a plurality of garrulous ends and push away the structure, the contained angle that pushes away between 2 sides of first inclined plane 231 and place saw blade before the garrulous end in the groove 23 is less than the contained angle between 2 sides of second inclined plane 232 and place saw blade, when making the saw blade move towards being close to human direction, the garrulous end can not receive the garrulous end and push away the effect before pushing away groove 23, when the saw blade moves towards keeping away from human direction, the garrulous end receives the garrulous end and pushes away the effect and is released before pushing away groove 23, make the garrulous end be difficult for covering the measuring line of drawing in advance on the air entrainment brick through this kind of mode, ensure manual cutting's straightness accuracy.

Example two

The structure and application of the present embodiment are substantially the same as those of the first embodiment, and the differences are as follows:

the included angle between the first inclined plane and the side face of the saw blade is 20 degrees, the included angle between the second inclined plane and the side face of the saw blade is 70 degrees, and the included angle between the third inclined plane and the side face of the saw blade is 30 degrees.

EXAMPLE III

the included angle between the first inclined plane and the side face of the saw blade is 25 degrees, the included angle between the second inclined plane and the side face of the saw blade is 65 degrees, and the included angle between the third inclined plane and the side face of the saw blade is 60 degrees.

Example four

the included angle between the first inclined plane and the side face of the saw blade is 30 degrees, the included angle between the second inclined plane and the side face of the saw blade is 60 degrees, and the included angle between the third inclined plane and the side face of the saw blade is 45 degrees.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an air entrainment brick cutting is with saw that has garrulous powder forward-push structure, includes the handle and fixes the saw blade on it, its characterized in that: the bottom end of the saw blade is uniformly provided with a plurality of convex tooth-shaped welding parts along the length direction of the saw blade, and the tip of each welding part is welded with teeth; the both sides face of saw blade is crisscross to be seted up one row of garrulous end and pushes away the groove before, it comprises first inclined plane, second inclined plane and third inclined plane to push away the groove before the garrulous end, one side that first inclined plane is located and is close to the handle is connected with the second inclined plane, the both ends of third inclined plane symmetric distribution at first inclined plane, second inclined plane junction, contained angle between first inclined plane and the place saw blade side is less than contained angle between second inclined plane and the place saw blade side, all it does benefit to the garrulous end that the handle direction was released with the garrulous end towards keeping away from to push away the structure before the garrulous end that pushes away the groove jointly constitutes before the garrulous end.

2. The saw with the broken powder pushing structure for cutting aerated bricks according to claim 1, wherein: the maximum depth of the chopped powder forward pushing groove is less than 1/3 of the thickness of the saw blade.

3. The saw with the broken powder pushing structure for cutting aerated bricks according to claim 1, wherein: the included angle between the first inclined plane and the side face of the saw blade is 15-30 degrees.

4. The saw with the broken powder pushing structure for cutting aerated bricks according to claim 1, wherein: the included angle between the second inclined plane and the side face of the saw blade is 60-75 degrees.

5. The saw with the broken powder pushing structure for cutting aerated bricks according to claim 1, wherein: and an included angle between the third inclined surface and the side surface of the saw blade is 30-60 degrees.

6. The saw with the broken powder pushing structure for cutting aerated bricks according to claim 1, wherein: the handle is provided with an anti-slip sleeve at the handle.

7. The saw with the broken powder pushing structure for cutting aerated bricks according to claim 1, wherein: the saw blade is made of tungsten steel material.

8. The saw with the broken powder pushing structure for cutting aerated bricks according to claim 1, wherein: the teeth are made of alloy steel material.

9. The saw with the powder pushing structure for cutting aerated bricks according to any one of claims 1 to 8, wherein: the handle is made of a metal material.

10. The saw with the powder pushing structure for cutting aerated bricks according to any one of claims 1 to 8, wherein: the handle is made of a plastic material.