CN1745964A - Protecting hood safe of saw bit - Google Patents

Abstract

A bench-type sawing machine with the protecting safety mechanism for the saw blade is composed of a machine frame with bench, a sawing unit with a box-shaped assembling mechanism whose two top ends are pivoted to the bottom of said bench, a circular saw blade driven by motor and pivoted in said assembling mechanism in the mode of partly exposed, a cover plate at the side of said assembling mechanism, a saw blade protecting cover pivoted to lower end of said cover plate, and a guide track for moving said saw blade protecting cover on it.

Description

Protecting hood safe of saw bit

Technical field

The present invention is a kind of breast bench, refer to a kind of tool saw blade protecting cover especially and have the protection effect protecting hood safe of saw bit.

Background technology

Please referring to Fig. 6, it is a breast bench, be provided with a support 50, pedestal 50 tops are placed with a workbench, and half reveal axle and be provided with a saw blade in the centre of workbench, its tiltable one angle is to cut sth. askew, the part of its saw blade in the workbench bottom surface exposes when avoiding breast bench to cut sth. askew, present direct state of contact and produce misgivings on safe in utilization, breast bench shown in the figure is directly locked a metal base plate 51 in the bottom of support 50, mat metal base plate 51 is with the space in the sealing support 50, reach the effect of protection with this, the mode of this kind protection needs to reach with large-area metal base plate 51, though there is the effect of protection to increase production cost also simultaneously, and for daily maintenance, as adding lubricant, remove residual wood and quite inconvenience such as cut;

Please referring to Fig. 7, it is a kind of breast bench of tool saw blade matte, and it is provided with:

The support 60 of tool workbench 61 is established at one top; And

One saw cutting device 62, it is located in this support 60, this saw cutting device 62 is disposed upright box-likes, its upper end is provided with an opening 621, and emargination is established a recess 622 on the side on these opening 621 1 long limits of next-door neighbour, this saw cutting device 62 is hubbed on the bottom of this workbench 61 with the two ends of upper limb and can pivots, one circular saw blade 63 that driven by motor be hubbed in the saw cutting device 62 and a part by on stretch out this workbench 61, the long limit that links a rectangle rubber matte 64 in saw cutting device 62 sides of this formation recess 622 in recess 622 end portions, its in addition top edge be linked to this workbench 61 bottom surfaces;

The breast bench of the tool saw blade matte of commonly using covers the recess 6 22 of saw cutting device 62 and the circular saw blade 63 that exposes to reach protection effect with the flexible rubber matte 64 of tool, and because rubber matte 64 tools are scratched life, the circular saw blade 63 that makes rubber matte 64 meeting deflections when saw cutting device 62 pivots and still can cover recess 622 and expose, reach the protection effect, but this kind way still has shortcoming, exemplifies as follows:

1, rubber matte 64 is soft, reaches the protection effect though can cover recess 622, if rubber matte 64 can may touch circular saw blade 63 because of stress deformation when external force is invaded, causing danger makes protection uncertain.

2, the rubber material is used of a specified duration can to produce rotten even cracked, thereby uses mode that rubber matte 64 protects to be difficult to lastingly because of the restriction in rubber service life.

From the above, the breast bench of commonly using is because of the preventive means of use, as the mode that covers metal base plate or shield with the rubber matte, safeguards difficult increase production cost, protects certain and is difficult to lasting shortcoming and have.

Summary of the invention

Therefore, purpose of the present invention mainly provides and a kind ofly can reach complete closed and have the protecting hood safe of saw bit that maintains easily the board effect workbench below circular saw blade, is mainly to address the above problem.

For reaching above-mentioned purpose, the present invention includes:

One support, this support top is provided with a workbench, and this workbench middle part forms a microscler perforation;

One saw cutting device, this saw cutting device is provided with box-like assembling seat, it is a disposed upright and in the top and form adjacent apertures respectively than the large tracts of land side, this assembling seat top opening is over against this microscler perforation, and be hubbed on the bottom of this workbench and can pivot with the two ends of upper limb, one circular saw blade that driven by motor is hubbed in this assembling seat and an end is stretched out by an opening above this assembling seat and passes this microscler perforation, and this assembling is covered with the cover plate that a top edge forms one recess in lateral opening; And

One holding protective cover device, this holding protective cover device comprises a saw blade protecting cover and a guide, this saw blade protecting cover plate that is hard and to be hubbed at this cover plate with lower limb serve as the below part than ora terminalis under this recess wherein, this guide forms track and guides the moving direction of this saw blade protecting cover top edge, makes this saw blade protecting cover another side can be along this workbench bottom surface advance and retreat displacement.

The present invention further links the mode that the combination of this cover plate and this saw blade protecting cover is buckled with pivot mutually; The recess of this cover plate is the middle part that is formed at upper limb, and be respectively equipped with the microscler button hole of a level in the two ends of recess lower edge, this saw blade protecting cover is to forming two L shaped sheet hooks at interval in one side by cover plate two microscler button holes, and this saw blade protecting cover is buckled in this cover plate and the combination that is pivoted with two hook pivots.

The present invention pivots with the assembling seat, and then the angle that changes circular saw blade is used as the cutting use, circular saw blade influences safety but can be the state that exposes under workbench at this moment, and assembling seat is that to be hubbed at cover plate be the below part than this recess lower edge to the pivot button owing to the saw blade protecting cover lower limb of holding protective cover device when pivoting, and saw blade protecting cover top edge be subjected to all the time this guide railway guidance and along the below advance and retreat displacement of workbench bottom surface, therefore no matter assemble the seat interlock saw blade protecting cover lower limb that how to pivot, the saw blade protecting cover all can keep covering circular saw blade under workbench exposed portions serve state.

It is as follows to use the present invention can obtain concrete effect:

1, the saw blade protecting cover of this holding protective cover device is to be located near place, bottom surface, workbench place, this saw blade protecting cover lower limb pivot is buckled in this cover plate and as the center of circle, top edge is subjected to the spacing guiding of the track of guide and carries out displacement below the workbench bottom surface, reach no matter how saw cutting device pivots, this saw blade protecting cover all can cover circular saw blade by spacing mobile mobile security.

2, since the present invention not if the need commonly used with large stretch of metal base plate but reach the effect of protection with less saw blade protecting cover, have splendid flexibility, not only be convenient to the cleaning work of board, and can reduce cost of manufacture.

3, to protect the saw blade protecting cover of use be that hard material is made in the present invention, comparatively hard and protection effect is good.

Description of drawings

Fig. 1 is the part three-dimensional exploded view of preferred embodiment of the present invention;

Fig. 2 is the part exploded perspective view of preferred embodiment of the present invention;

Fig. 3 is the part exploded perspective view of preferred embodiment of the present invention;

Fig. 4 is the front view of preferred embodiment of the present invention;

Fig. 5 be preferred embodiment of the present invention face the action schematic diagram;

Fig. 6 is the stereogram of the breast bench commonly used;

Fig. 7 is the stereogram of the breast bench of the tool saw blade matte commonly used.

In the accompanying drawing:

10--support 11--side

111--long arc-shaped holes 12--workbench

121--perforation 20--saw cutting device

21--assembling seat 211--auricle

212--auricle 213--upper shed

214--side opening 22--handwheel

23--circular saw blade 24--cover plate

241--recess 242--button hole

243--button hole 25--room

26--takes over the 27--motor

28--angle adjustment fixed cell 30--holding protective cover device

31--saw blade protecting cover 311--flange

312--pulling eye 313--hook

The protruding button of 314--hook 315--

32--guide 321--joint portion

The 322--track

The specific embodiment

Please referring to the preferred embodiment of Fig. 1 to Fig. 4, the present invention is a kind of protecting hood safe of saw bit, and it comprises a support 10, a saw cutting device 20 and a saw blade holding protective cover device 30, wherein:

This support 10 be around ring wall and the pedestal of hollow, and has a side 11, form a long arc-shaped holes 111 in this side 11, in conjunction with the workbench 12 that is provided with a level, this workbench 12 is tetragonal plate bodys and forms rectangular perforation 121 together in central part in the top of this support 10;

This saw cutting device 20 is provided with:

The assembling seat 21 of one disposed upright box-like, its top and a larger area side form adjacent upper shed 213 and side opening 214 respectively, and the two ends of upper limb are respectively equipped with an auricle 211,212, this assembling seat 21 is provided with parallel this perforation 121 of direction and top opening towards this perforation 121, and with the auricle 211 at upper limb two ends, 212 are hubbed on the bottom at these workbench twelve punch 121 two ends and can pivot, 21 pairs of this assembling seats should support 10 sides 11 an end stretch towards this long arc-shaped holes 111 and establish an angle adjustment fixed cell 28 that is used to locate and a handwheel 22, this angle adjustment fixed cell 28 and handwheel 22 are positioned at outside this support 10

One circular saw blade 23, this circular saw blade 23 are to be hubbed in this assembling seat 21 and a part is stretched out on this workbench 12 through this perforation 121 by this assembling 21 top opening,

One motor 27, this motor 27 be incorporated into this assembling seat 21 another than large tracts of land side 215, this motor 27 also drives this circular saw blade 23;

One cover plate 24, this cover plate 24 covers at the side opening 214 of this assembling seat 21, this cover plate 24 inwardly forms one recess 241 in the middle part of top edge, be respectively equipped with the microscler button hole 242,243 of a level by this cover plate 24 in the two ends of these recess 241 lower edges, form the room 25 of a top opening between this cover plate 24 and this assembling seat 21, be provided with a tubular in these assembling seat 21 ends that are not provided with this handwheel 22 and take over 26, this is taken over 26 1 ends and communicates with this room 25, and the other end extends to outside this support 10;

This holding protective cover device 30 comprises the saw blade protecting cover 31 and a guide 32 of a hard; Wherein this saw blade protecting cover 31 is rectangle plates that a long limit and two minor faces all are bent to form vertical flanges 311, this saw blade protecting cover 31 is semi-moon shaped pulling eye 312 in centre formation one in preferred embodiment of the present invention, this saw blade protecting cover 31 in the long limit lower limb of not bending to should 24 liang of microscler button holes 242 of cover plate, 243 form two L shaped sheet hooks 313 at interval, 314, this saw blade protecting cover 31 is with two hooks 313,314 pivots are buckled in this cover plate 24 and the circular saw blade 23 that exposes under its recess of maskable 241 and the workbench, and in saw blade protecting cover 31 wherein a minor face flange 311 establish a circular cylindrical projection button 315 near these saw blade protecting cover 31 free ends in conjunction with stretching; In addition also can hinge between this saw blade protecting cover 31 of the present invention and this cover plate 24 etc. other means that are pivoted link mutually, the present invention does not limit at this, and

Wherein this guide 32 is provided with a track 322 and is used to guide the bottom surface below displacement of the top edge of this saw blade protecting cover 31 along workbench 12, this guide 32 is that shape is like inverted right angled triangle plate, its triangle base by the upper end is vertically stretched near side edge and is established the joint portion 321 that forms a L shaped plate sheet, this guide 32 is fixed at the bottom surface, outer end that this workbench 12 articulates auricle 211 with this joint portion 321, the position of this guide setting is also near being positioned at the minor face that this saw blade protecting cover 31 is provided with protruding button 315, and the flange 311 of parallel this saw blade protecting cover 31,32 pairs of this guides should be arranged with the described track 322 of formation in the inside level of the other end that forms this joint portion 321 by protruding button 315, the position of this track 322 near these workbench 12 bottom surfaces and should be protruding button 315 therebetween ccontaining, make this saw blade protecting cover 31 can this protruding button 315 with regard to this track 32 2 and displacement.

Please referring to Fig. 4,5, when the present invention adjusts angle in this circular saw blade 23, should pivot by assembling seat 21 with these handwheel 22 interlocks, and then change the angle of this circular saw blade 23, and this assembling seat 21 is buckled in this cover plate 24 and by interlock because the saw blade protecting cover 31 of this holding protective cover device 30 is pivots when pivoting, and the protruding button 315 of this saw blade protecting cover 31 advance and retreat displacement near the track 322 of this guide 32 below these workbench 12 bottom surfaces all the time, therefore no matter how this assembling seat 21 pivots, and this saw blade protecting cover 31 all can keep covering the circular saw blade 23 that is positioned at the workbench below and exposes and the state that protects.

Claims (3)

1, a kind of protecting hood safe of saw bit is characterized in that, it comprises:

One support, this support are provided with a workbench in the top, form a microscler perforation in this workbench middle part;

One saw cutting device, this saw cutting device is provided with

One is the box-like assembling seat of disposed upright kenel, this assembling seat reaches wherein, and a side forms adjacent upper shed and side opening respectively in the top, and aligning the kenel of this microscler perforation with upper shed, this assembling seat is pivoted with the two ends of upper limb is attached at the bottom of this workbench;

One is hubbed at the circular saw blade of this assembling with rotatable kenel, and the some of this circular saw blade passes this microscler perforation and protrudes in this workbench;

One is incorporated into this assembling seat and can drives the motor of this circular saw blade; And

One is covered with the cover plate that is incorporated into this assembling seat side opening; And

One holding protective cover device, this holding protective cover device comprise the saw blade protecting cover and a guide of a hard; Wherein this saw blade protecting cover is to be hubbed at this cover plate with lower limb, and this guide is located at the side of this saw blade protecting cover, is provided with a track in this guide, can guide the bottom surface below displacement of the top edge of this saw blade protecting cover along this workbench.

2, as 1 described protecting hood safe of saw bit of claim the, it is characterized in that, wherein said cover plate forms a recess in the top edge middle part of contiguous this assembling seat upper shed, be respectively equipped with the microscler button hole of a level in the two ends of this recess lower edge, corresponding two these the microscler button holes of described saw blade protecting cover form the hook of two L shaped sheets at interval in one side, this saw blade protecting cover is buckled in this cover plate and the combination that is pivoted with two hook pivots.

As claim the 1 or 2 described protecting hood safe of saw bit, it is characterized in that 3, wherein said saw blade protecting cover forms one and is semi-moon shaped pulling eye in the middle part.

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