CN208391142U - A kind of circular sawing machine - Google Patents

Abstract

The utility model provides a kind of circular sawing machine, further includes front protection cover and the upper shield relative to front protection cover rotation setting, wherein the front protection cover is fixed at described push away on yoke including the fixed blade guard for pushing away yoke and being located on the outside of saw blade；It further include locating part and limit flanging, wherein the locating part is fixedly connected with the fixed blade guard and extends along the direction away from the fixed blade guard, the limit flanging is fixed on the upper shield and protrudes from the upper surface of the upper shield；The first gap is formed between the locating part and the upper surface of the upper shield；When the circular sawing machine, which is in, prepares position, the limit flanging permission is passed through from first gap；When the circular sawing machine deviates the preparation position, the locating part is resisted against on the limit flanging.The utility model has the advantages that structurally reasonable and practicability is good.

Description

A kind of circular sawing machine

Technical field

The utility model relates to annular saw equipment technical field more particularly to a kind of circular sawing machines.

Background technique

Electric circular saw is one kind using single phase series motor as power, drives saw blade to carry out sawing action by transmission mechanism Tool.Electric circular saw has the characteristics that safe and reliable, work efficiency is high.

As shown in Figure 1, electric circular saw in the prior art is usually to push away yoke by one piece of gear of the side of proximal operator installation Plate 001.Baffle 001 is fixedly connected with yoke 002 is pushed away, and the upper edge of baffle 001 extends to sawmilling regional dip, to stop to cut through The sawdust generated in journey, avoids sawdust from being splashed on the body of operator.But on baffle between edge and fixed blade guard, Yi Jigu Determine shield two sides all without any protective device, during operation, the high speed rotation that is exposed on the outside of fixed blade guard Sawtooth operator may be damaged.

Summary of the invention

To avoid the high-speed rotating sawtooth being exposed on the outside of fixed blade guard in operation from causing to hurt to operator Evil, the utility model are intended to design and provide a kind of circular sawing machine with protective device.

The utility model provides a kind of circular sawing machine, including the fixed blade guard for pushing away yoke and being located on the outside of saw blade, It further include front protection cover and the upper shield relative to front protection cover rotation setting, wherein the front protection cover is fixed at described It pushes away on yoke；It further include locating part and limit flanging, wherein the locating part is fixedly connected with the fixed blade guard and along back Direction from the fixed blade guard extends, and the limit flanging is fixed on the upper shield and protrudes from the upper shield The upper surface of cover；The first gap is formed between the locating part and the upper surface of the upper shield；When the circular sawing machine is in standard When standby position, the limit flanging permission is passed through from first gap；It is described when the circular sawing machine deviates the preparation position Locating part is resisted against on the limit flanging.

Further, the locating part includes main body and end, and the end has prolongs along the locating part from up to down The inclined inclined surface in direction is stretched, forms the first gap between the lower edge of the inclined surface and the upper shield upper surface.

Further, the upper shield includes first end plate and the second end plate, and the first end plate is along away from the fixation The direction horizontal extension of shield, second end plate tilt extension along the direction away from the fixed blade guard from up to down, The limit flanging is fixed on the outer edge of the first end plate.

Further, the limit flanging is bent towards the fixed blade guard.

Further, the main body is along the position limit arm extended away from the fixed blade guard direction, the first end plate On be additionally provided with retention bead；When the circular sawing machine is in working position, the retention bead is located at below the main body.

Preferably, uniformly distributed multiple peep holes are offered on second end plate.

Preferably, handle is provided on second end plate.

Circular sawing machine disclosed in the utility model passes through the cooperation of locating part, limit flanging and retention bead, only upper shield It rotate in place, when circular sawing machine is in preparation position, yoke can just be pushed to carry out operation, and when circular sawing machine is in working position, Locating part remains at the top of retention bead, prevents upper shield Unscrew, thus effectively that sawing region is completely anti- It protects to get up to guarantee the safety of operator, the present embodiment has the advantages that structurally reasonable and practicability is good.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of circular sawing machine in the prior art；

Fig. 2 is that circular sawing machine disclosed in the utility model is in the structural schematic diagram for preparing position；

Fig. 3 is the structural schematic diagram that circular sawing machine disclosed in the utility model is in working position.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

Fig. 1 to Fig. 3 show a kind of specific embodiment of circular sawing machine disclosed in the utility model.As shown, this reality Applying circular sawing machine disclosed in example includes pushing away yoke 100 and the fixed blade guard being located on the outside of saw blade 200.It pushes away and is set on yoke It is equipped with lever 900.In order to form better protection effect, further including front protection cover 300 and rotate setting relative to front protection cover 300 Upper shield 400.Wherein, front protection cover 300, which is fixed at, pushes away on yoke 100.400 rotating opening of upper shield or closing, operation Person can be put into or take out the article to sawing action, such as timber.In circular sawing machine disclosed in the present embodiment, also especially set Locating part 500 and limit flanging 600 are counted.Wherein, locating part 500 is preferably cantilever design, locating part 500 and fixed blade guard 200 are fixedly connected and extend along the direction away from fixed blade guard 200.Limit flanging 600 is fixed on upper shield 400 simultaneously Protrude from the upper surface of upper shield 400.The first gap 700 is formed between locating part 500 and the upper surface of upper shield 400.Work as institute Circular sawing machine is stated in when preparing position, the permission of limit flanging 600 is passed through from the first gap 700.That is, preparing position When, if operator further pushes away yoke 100, be closed upper shield 400 in place with push away the mobile continuation of yoke 100 to Preceding movement is limited and is not interfered between flanging 600 and locating part 500.If the circular sawing machine deviates preparation position, i.e., upper shield Cover 400 is opened, under such state, if operator further pushes away yoke 100, locating part 500 and limit flanging 600 it Between interfere, locating part 500 stop limit flanging 600 move forward, then also can not further push yoke 100, keep away Exempt to be operated in the case that upper shield 400 is rotated to be opened, good protection is formed to operator.

Specifically, shown in Figure 2, locating part 500 includes main body 501 and end 502, and wherein main body 501 is preferably in The direction that the cuboid position limit arm of class and edge deviate from fixed blade guard 200 extends.End 502 has from up to down along locating part The inclined inclined surface 503 of 500 extending directions.Upper shield 400 includes first end plate 401 and the second end plate 402, wherein first end plate 401 along the direction horizontal extension for deviating from fixed blade guard 200, and the second end plate 402 is along the direction away from fixed blade guard 200 from upper Tilt down extension.Limit flanging 600 is fixed on the outer edge of first end plate 401.First gap 700 is preferably formed in Between the upper surface of first end plate 401 and the lower edge of inclined surface 503.Flanging 600 is limited preferably to fixed blade guard 200 1 The arc panel of lateral bend, if the circular sawing machine deviates preparation position, i.e., upper shield 400 is opened.Under such state, if behaviour Author further pushes away yoke 100, and the lower edge of inclined surface 503 and the cambered surface of limit flanging 600 can interfere, locating part 500 stop limit flanging 600 to move forward.

In order to avoid during circular sawing machine is run, upper shield 400 is opened due to improper operation.In the present embodiment In, it is preferred that retention bead 800 is additionally provided in first end plate 401.Retention bead 800 is along the length side of first end plate 401 To the upper surface for extending and protruding from the first end plate 401.When circular sawing machine is in working position, flanging 600 from first is limited It being passed through in gap 700, first end plate 401 and retention bead 800 are held in locating part 500, the i.e. lower section of main body 501, this When, operated even if pushing away yoke 100, first end plate 401 also can not Unscrew, entirely cut through to ensure that Upper shield 400 has effectively protected sawing region all in closed state in journey, to ensure that the peace of operator Entirely.Preferably, retention bead 800 includes at least two groups, is distributed in the front-end and back-end of first end plate 401, respectively to ensure Upper shield 400 can not be opened in operational process.

For the ease of the operational circumstances in observation sawing region, it is preferred that be uniformly provided on the second end plate 402 multiple Peep hole 403.The aperture of peep hole 403 can be designed or be chosen according to sawing article.

For the ease of opening or closing upper shield 400, handle 404 is fixedly installed on the second end plate 402.

Circular sawing machine disclosed in the present embodiment, by the cooperation of locating part, limit flanging and retention bead, only upper shield turns It is dynamic when circular sawing machine is in preparation position, yoke just to be pushed to carry out operation in place, and when circular sawing machine is in working position, limit Position part remains at the top of retention bead, upper shield Unscrew is prevented, to effectively protect in sawing region completely Get up to guarantee the safety of operator, the present embodiment has the advantages that structurally reasonable and practicability is good.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (7)

1. a kind of circular sawing machine, including the fixed blade guard for pushing away yoke and being located on the outside of saw blade, which is characterized in that further include Front protection cover and upper shield relative to front protection cover rotation setting, wherein the front protection cover, which is fixed at, described pushes away yoke On；It further include locating part and limit flanging, wherein the locating part is fixedly connected with the fixed blade guard and along away from described The direction of fixed blade guard extends, and the limit flanging is fixed on the upper shield and protrudes from the upper of the upper shield Surface；The first gap is formed between the locating part and the upper surface of the upper shield；When the circular sawing machine, which is in, prepares position, The limit flanging permission is passed through from first gap；When the circular sawing machine deviates the preparation position, the locating part It is resisted against on the limit flanging.

2. circular sawing machine according to claim 1, which is characterized in that the locating part includes main body and end, the end With the table along the inclined inclined surface of locating part extending direction, the lower edge of the inclined surface and the upper shield from up to down The first gap is formed between face.

3. circular sawing machine according to claim 2, which is characterized in that the upper shield includes first end plate and the second end plate, The first end plate is along the direction horizontal extension for deviating from the fixed blade guard, and second end plate is along away from the fixed protection The direction of cover tilts extension from up to down, and the limit flanging is fixed on the outer edge of the first end plate.

4. circular sawing machine according to claim 3, which is characterized in that the limit flanging is curved towards the fixed blade guard It is bent.

5. circular sawing machine according to claim 4, which is characterized in that the main body is along away from the fixed blade guard direction The position limit arm of extension is additionally provided with retention bead in the first end plate；When the circular sawing machine is in working position, the limit Protrusion is located at below the main body.

6. circular sawing machine according to claim 5, which is characterized in that offered on second end plate uniformly distributed multiple Peep hole.

7. circular sawing machine according to claim 6, which is characterized in that be provided with handle on second end plate.