CN111151816A

CN111151816A - Chain based circular saw blades

Info

Publication number: CN111151816A
Application number: CN202010144962.XA
Authority: CN
Inventors: 章磊; 严高仕; 阳太平
Original assignee: Zhejiang Jiahong Tool Manufacturing Co ltd
Current assignee: Zhejiang Jiahong Tool Manufacturing Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-05-15

Abstract

The invention discloses a circular saw blade based on a saw chain, comprising a saw chain, wherein the saw chain is formed by a plurality of saw chain units connected end to end to form an annular shape, and the lower part of the transmission blade of each saw chain unit forms an annular shape The clamping part is provided with a clamping disc 1 on one side of the annular clamping part, a clamping disc 2 is arranged on the other side of the annular clamping part, and the center of the clamping disc 1 is provided with a In the mounting hole A sleeved on the rotating shaft of the circular saw, the center of the second clamping disc is provided with a mounting hole B for sleeved on the rotating shaft of the circular saw. The circular saw blade based on the saw chain of the present invention has both the advantages of a chain saw and the advantages of a circular saw, and can easily and quickly fix the corresponding saw chain on the disk according to the cutting object, if the cutting edge becomes dull Or damaged, it can be quickly replaced without scrapping the entire saw blade, with a long service life.

Description

Disc saw blade based on saw chain

Technical Field

The invention relates to a saw blade used for a circular saw, in particular to a circular saw blade based on a saw chain.

Background

The circular saw is a very common cutting tool, and is mainly used for cutting wood, plastics and metal, and even can be used for cutting cement. Circular saws are mainly classified into two types:

one is a hand-held type circular saw, such as "a hand-held type circular saw" that the publication number is CN207154889U, one end of the handle 13 of the hand is fixedly connected with the cover body 8 and the circular saw blade 3 through the spindle 4, the circular saw blade 3 is set up in the cover body 8, there is a sliding lid 9 outside the cover body 8, the sliding lid 9, the circular saw blade 3 and the cover body 8 are coaxially set up, the sliding lid 9 and the cover body 8 are all fixedly connected on spindle 4 through the bearing;

another type of circular saw is a flat disc saw, such as the circular saw disclosed in the publication No. CN101288959B, which includes a base 1, on which a fixed table 2 is provided, through which a saw blade 3 is a cutting tool, where a protective cover 4 is mounted, which is also a dust hood. In addition to the fixed platen 2, there is a slidable sliding platen 5 in the cutting direction, which is placed on a longitudinal guide 6 on the fixed platen 2 so as to be slidable forward and backward, the longitudinal guide 6 being placed on the machine base 1, and the machine base 1 includes a fixed platen 2 and a base la and lb which can be moved forward and backward. Especially, the portable circular saw has simple structure, and the saw blade is very convenient to replace aiming at different cutting materials, such as a portable circular saw tool changer which is disclosed in the publication No. CN 208467408U.

The various circular saws all use saw blades, the saw blades comprise saw blade circular disks and a plurality of saw teeth uniformly distributed on the peripheries of the saw blade circular disks, and mounting holes used for being sleeved on the rotating shafts of the circular saws are formed in the centers of the saw blade circular disks. Such a saw blade has the following drawbacks: 1. the saw blade is sharp and easy to use when being used at first, but because of abrasion during cutting, the cutting edge of the saw tooth is blunt, the cutting speed is slow, the hand feeling is heavy, the cutting efficiency is low, and in order to improve the cutting efficiency, the abraded saw blade needs to be taken down, and the saw teeth are ground one by a professional, so that the labor and the time are wasted, and the cost is extremely high; 2. if one saw tooth is accidentally cut off during cutting, the whole saw blade is scrapped; 3. corresponding saw teeth are needed to be used for different cutting materials, the saw teeth of the existing saw blade can not be replaced, only the whole saw blade can be replaced, and each kind of saw teeth must be fixedly connected with a special saw tooth disc, so that the cost is high, and the storage space of a goods shelf is occupied.

A chain saw is another very common cutting tool, which mainly comprises a saw chain, a guide plate having a peripheral track for the saw chain, and a main body; the main machine body is provided with a power output mechanism for driving the saw chain to slide on the peripheral track of the guide plate so as to cut the object; the saw chain is a closed loop formed by connecting a plurality of saw chain units end to end, the saw chain units at least comprise a blade 1, a connecting chain sheet 4, a driving sheet 2 for driving and a chain shaft 3 for hinging the blade, the chain sheet and the driving sheet (see the Chinese patent application 'high-performance small-incision saw chain' with the application number of 201911021330.8, the specific chain saw and the structure of the saw chain refer to the following data, which are not listed:

the invention patent application with application number 201810566351.7 for chain saw;

the invention patent with the publication number of CN105050779B entitled chain saw;

the invention patent with the publication number of CN108430680B entitled saw chain;

the invention patent application with application number 201810732050.7 relates to a narrow saw street saw chain;

these chain saws of prior art construction have many advantages over circular saws: 1. because the blade is independently processed (the sawteeth of the circular saw blade are arranged on the periphery of the circular saw blade disc and need to be processed together with the circular saw blade disc), the circular saw blade has small volume and light weight, is suitable for mass and high-efficiency production, and is particularly suitable for processing more complex and various cutting edges; 2. when an object is cut, if one or more blades are accidentally damaged, the damaged blade or the saw chain unit can be conveniently and quickly replaced, so that the cost is saved; 3. when the proper blades are selected for different cutting materials, the guide plate does not need to be replaced, and only the corresponding saw chain needs to be selected and installed on the guide plate. However, the following disadvantages are also present compared to circular saws with circular blades: 1. chainsaws require the operator to apply a high feed load during cutting; 2. cutting speeds are generally slow; 3. because the blade hinged with the chain shaft, the chain sheet and the transmission sheet rub against each other when the saw chain cuts the element, and the saw chain rubs against the peripheral track of the guide plate, the energy consumption is increased, the service life of the saw chain is short, and a special lubricating system needs to be configured.

Disclosure of Invention

The invention aims to provide a circular saw blade based on a saw chain, which has the advantages of a chain saw and the advantages of a circular saw, can conveniently and quickly fix the corresponding saw chain on a circular disc according to a cutting object, can be quickly replaced if a cutting edge becomes dull or damaged, does not need to scrap the whole saw blade, and has long service life.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a disc saw blade based on saw chain, includes the saw chain, the saw chain comprises a plurality of saw chain units end to end the ring shape, and the lower part of the drive plate of each saw chain unit constitutes cyclic annular clamping part one side of cyclic annular clamping part is equipped with centre gripping disc one, is equipped with centre gripping disc two at the opposite side of cyclic annular clamping part, and the center of centre gripping disc one is equipped with and is used for the cover to establish the epaxial mounting hole A of commentaries on classics of disc saw, and the center of centre gripping disc two is equipped with and is used for the cover to establish the epaxial mounting hole B of commentaries on classi.

At least one pair of positioning holes A are uniformly distributed on the first clamping disk, at least one pair of positioning holes B corresponding to the positioning holes A are uniformly distributed on the second clamping disk, and the saw chain is clamped between the first clamping disk and the second clamping disk through penetrating fixing bolts between the corresponding positioning holes A and the corresponding positioning holes B.

The outer periphery of the first clamping disk is provided with at least one stop block, and the stop block extends to the lower part of the transmission piece.

The diameters of the first clamping disk and the second clamping disk are equal, and a gap is reserved between the outer periphery of the first clamping disk and the chain sheet.

Compared with the prior art, the invention has the beneficial effects that: by adopting the technical scheme, the saw chain is formed into a ring shape by connecting a plurality of saw chain units end to end, the lower part of the transmission piece of each saw chain unit forms an annular clamping part, one side of the annular clamping part is provided with a first clamping disk, the other side of the annular clamping part is provided with a second clamping disk, the center of the first clamping disk is provided with a mounting hole A which is sleeved on the rotating shaft of the circular saw, and the center of the second clamping disk is provided with a mounting hole B which is sleeved on the rotating shaft of the circular saw, the structure is characterized in that the first clamping disk and the second clamping disk can clamp the ring-shaped saw chain on the rotating shaft of the circular saw, and when the rotating shaft drives the second clamping disk (or the first clamping disk) to rotate, the ring-shaped saw chain rotates along with the rotating shaft, and can be used for cutting objects, the disc saw blade based on the saw chain has the advantages of the chain saw, the saw chain fixing device has the advantages that the corresponding saw chain can be conveniently and quickly fixed on the disc according to a cutting object, if the cutting edge of the saw chain becomes blunt or damaged, the saw chain fixing device can be quickly replaced, the whole saw blade does not need to be scrapped, a guide rail and a lubricating system do not need to be prepared for the saw chain, the service life is long, and materials and cost are saved. After the saw chain blade becomes blunt to be changed, can also reuse through the blade coping, because of the saw chain is small, the coping operation is more convenient high-efficient than prior art holding whole disc saw bit coping blade.

The further beneficial effects are that: the clamping disc I is uniformly provided with at least one pair of positioning holes A, the clamping disc II is uniformly provided with at least one pair of positioning holes B corresponding to the positioning holes A, and the saw chain is clamped between the clamping disc I and the clamping disc II through penetrating fixing bolts.

Still further beneficial effect is: the structure that the stop block can prevent the chain saw from sliding relative to the clamping disc I is adopted, and the chain saw is firm and reliable when cutting objects.

Drawings

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

fig. 2 is a schematic diagram of the disassembled structure of fig. 1.

Detailed Description

In order to make the technical solution of the present invention clearer, the present invention will be described in detail below with reference to fig. 1 to 2. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

The invention relates to a circular saw blade based on a saw chain, which comprises a saw chain 1, wherein the saw chain 1 is in a circular ring shape formed by connecting a plurality of saw chain units end to end, the lower part of a transmission piece 1-1 of each saw chain unit forms an annular clamping part, one side of the annular clamping part is provided with a first clamping disc 2, the other side of the annular clamping part is provided with a second clamping disc 3, the center of the first clamping disc 2 is provided with mounting holes A23-1 and 23-2 which are used for being sleeved on a rotating shaft of the circular saw, and the center of the second clamping disc 3 is provided with a mounting hole B23-2 which is used for being sleeved on the rotating shaft of the circular saw.

Preferably, at least one pair of positioning holes A23-3 are uniformly distributed on the first clamping disk 2, at least one pair of positioning holes B23-4 corresponding to the positioning holes A23-3 are uniformly distributed on the second clamping disk 3, and the saw chain 1 is clamped between the first clamping disk 2 and the second clamping disk 3 through a fixing bolt passing through the corresponding positioning holes A23-3 and the positioning holes B23-4. At least one stop block 23-5 can be arranged on the outer periphery of the first clamping disk 2, and the stop block 23-5 extends to the lower part of the driving strap 1-1 to drive the driving strap 1-1 to rotate. The diameters of the first clamping disk 2 and the second clamping disk 3 are preferably equal. The outer periphery of the first clamping disc 2 is provided with a gap with the chain sheet 5, and the smaller the gap, the better the gap.

The saw chain of each technical scheme can be the existing saw chain with various specifications, and can also be manufactured into a new structure according to the requirement. A plurality of saw chain units of the saw chain are connected end to form a circular ring, the size of the circular ring is suitable for the requirements of the existing corresponding circular saw, and the size of the circular saw can be changed according to the requirements. The technology of the circular saw driving saw blade belongs to the prior art, when the circular saw blade based on the saw chain is used, the total thickness of the circular saw blade is only increased a little, and if necessary, the rotating shaft of the circular saw is lengthened a little.

Claims

1. The utility model provides a disc saw blade based on saw chain which characterized in that: including saw chain (1), saw chain (1) constitutes the ring shape by a plurality of saw chain unit end to end, and the lower part of the drive plate (1-1) of each saw chain unit constitutes cyclic annular clamping part one side of cyclic annular clamping part is equipped with centre gripping disc (2), is equipped with centre gripping disc two (3) at the opposite side of cyclic annular clamping part, and the center of centre gripping disc one (2) is equipped with and is used for the cover to establish the epaxial mounting hole A (23-1, 23-2) of the pivot of disc saw, and the center of centre gripping disc two (3) is equipped with and is used for the cover to establish epaxial mounting hole B (23-2) of the pivot of disc saw.

2. The saw chain-based circular saw blade of claim 1, wherein: at least one pair of positioning holes A (23-3) are uniformly distributed on the first clamping disk (2), at least one pair of positioning holes B (23-4) corresponding to the positioning holes A (23-3) are uniformly distributed on the second clamping disk (3), and the saw chain (1) is clamped between the first holding disk (2) and the second clamping disk (3) through fixing bolts penetrating through the corresponding positioning holes A (23-3) and the positioning holes B (23-4).

3. The saw chain-based circular saw blade of claim 2, wherein: the outer periphery of the first clamping disk (2) is provided with at least one stop block (23-5), and the stop block (23-5) extends to the lower part of the transmission piece (1-1).

4. The saw chain-based circular saw blade of any one of claims 1 to 3, wherein: the diameters of the first clamping disk (2) and the second clamping disk (3) are equal, and a gap is reserved between the outer periphery of the first clamping disk (2) and the chain sheet (5).