CN2421108Y

CN2421108Y - Universal sawing machine without sharpening

Info

Publication number: CN2421108Y
Application number: CN 00205817
Authority: CN
Inventors: 冯一鸣
Original assignee: BINMAO ENTERPRISE Co Ltd
Current assignee: BINMAO ENTERPRISE Co Ltd
Priority date: 2000-02-23
Filing date: 2000-02-23
Publication date: 2001-02-28
Anticipated expiration: 2010-02-23

Abstract

The utility model relates to a universal sawing machine without a sharpening, which is composed of the members of a machine table, two cutters, a knife cover, etc. The cutters are mainly switched on positive electricity, and work piece is switched on negative electricity. When the cutters approach to the work piece, an electric arc can be generated, and then, moment high heat is emitted, and cutting work can be conducted. Flanges are arranged on the cutters, and a channel can be formed so as to spray out cutting fluid and reach heat radiation and scouring and smear metal. Thus, sawing work piece materials can be made unlimited, and efficacies of high speed, low cost, high accuracy, etc., can be reached.

Description

Exempt to whet a knife and extensively use sawing machine

The utility model relates to a kind of sawing machine, particularly relate to a kind of in the logical positive electricity of going up of cutter, and the logical negative electricity of going up of working substance, when joining, cutter and working substance produce electric arc, can send Gao Re and be cut working substance, the working substance that reaches various materials all can cut, and sawing machine is extensively used in the sharpening of exempting from that speed is fast, cost is low, the degree of accuracy is high.

As shown in Figure 1, the sawing machine of general at present cutting working substance, mainly be to be provided with a board 1, this board 1 top is provided with anchor clamps 10, be provided with the working substance that clamping is cut, anchor clamps 10 sides then are provided with a motor 11, and this motor 11 is rotatable and drive and rotate and the cutting working substance 12 high companies of saw blade, yet this sawing machine has following shortcoming really:

1. because the material of saw blade is limit, therefore the working substance hardness that is cut can not be too high, below the HRC20 degree, otherwise can't cut.

2. the depth of cut of saw blade can not be excessive when cutting, and the consumption of saw blade is big, takes normal sharpening and more renew saw blade etc., so all form waste on time and cost.

3. because saw blade is taked rotary feed, must working substance is firmly fixing, so working substance is when being hollow light wall pipe, processing feed and anchor clamps chucking power all can not be excessive, otherwise impaired easily, and during sawing, working substance also can produce reaction force, and working substance and saw blade are damaged.

4. because there is certain thickness in saw blade, make the cutting width of working substance must not be less than 2m/m, make the waste of material height.

Main purpose of the present utility model is, overcome the defective that existing sawing machine exists, and exempting to whet a knife and extensively using sawing machine of a kind of new structure is provided, make the material and the hardness that are cut working substance can be unrestricted, and it is fast to have cutting speed, the effect that cost is low, the degree of accuracy is high.

The purpose of this utility model is realized by following technical scheme.According to a kind of wide sawing machine of using of exempting to whet a knife that the utility model proposes, it includes: a board, this board top is provided with anchor clamps, this anchor clamps side is provided with motor, the intrinsic tool rest of this motor shaft front end spiral shell, be provided with insulation sleeve between this tool rest and axostylus axostyle, this tool rest front end is provided with groove, and this groove has been peripherally installed with clamping part, and this tool rest center is provided with screw, being provided with the water route above the tool rest again communicates with groove, tool rest has been peripherally installed with holder in addition, and this holder is provided with water injection pipe, and this water injection pipe is to communicate with the water route, holder locates to be provided with electrode up and down again, and the top is provided with bucker;

Two cutters are to be fixed on the tool rest clamping part, and these two cutters central authorities are provided with open-work, and two cutters are provided with flange in relative inner again, then form water channel between the flange that this two cutter interlocks relatively, and two cutter periphery rings are provided with cutting part in addition;

One cutter lid is to be fixed on the tool rest, and these cutter lid central authorities are provided with screw, the intrinsic screw rod of spiral shell in this screw.

The purpose of this utility model can also further realize by following technical measures.

Aforesaid exempt to whet a knife extensively use sawing machine, the front and back of wherein said water injection pipe and joint, water route all are arranged with oil sealing, electrode and tool rest joint then are provided with carbon brush again, in addition electrode sleeve is provided with fixing spring.

The utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the utility model is exempted to whet a knife and is extensively had with sawing machine:

1. because cutter is emitted electric arc and can be cut,, and be provided with the restriction on any material no matter therefore the working substance of any hardness all can be cut.

Since cutter not with the working substance actual contact, so cutter consumption is few, and the mouth of need not whetting a knife, and rotation at a high speed, can accelerate the depth of cut, to save time and cost.

3. working substance can not produce reaction force when cutting, so the chucking power of anchor clamps can be less, then can not be damaged to the working substance of softwood matter.

4. the minimum cut width of cutter can be accomplished 0.5m/m, so can improve the precision and the degree of accuracy, and saves the high price alloy material.

5. the smear metal after cutting presents Powdered, can demand a surcharge of the use as powder metallurgy.

In sum, the utility model is exempted to whet a knife and is extensively used sawing machine, no matter it structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really, thus be suitable for practicality more, really be a new and innovative, progressive, practical new design.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is the stereoscopic schematic diagram of existing sawing machine.

Fig. 2 is the utility model wide exploded perspective view with sawing machine of exempting to whet a knife.

Fig. 3 is the utility model wide combination stereogram with sawing machine of exempting to whet a knife.

Fig. 4 is the assembled sectional view of the utility model tool rest.

Fig. 5 is the schematic perspective view of the utility model cutter.

Fig. 6 is the schematic diagram of the utility model cutting working substance.

Below in conjunction with accompanying drawing and preferred embodiment, to exempting to whet a knife and extensively use sawing machine according to what the utility model proposes, its concrete structure, feature and effect thereof, detailed description as after.

At first, see also Fig. 2, shown in Figure 3, the utility model mainly is provided with a board 2, these board 2 tops are provided with anchor clamps 20, these anchor clamps 20 sides are provided with a motor 21, the intrinsic tool rest 23 of these motor 21 axostylus axostyles 22 front end spiral shells, 22 of this tool rest 23 and axostylus axostyles are provided with an insulation sleeve 24 (as shown in Figure 4), these tool rest 23 front ends are provided with the groove 230 of a circle, this groove 230 has been peripherally installed with a clamping part 231, tool rest 23 centers are provided with a screw 232 again, these tool rest 23 tops are provided with a water route 233 and communicate with groove 230, tool rest 23 has been peripherally installed with a holder 25 in addition, these holder 25 tops are provided with a water injection pipe 250, this water injection pipe 250 is to communicate with water route 233, and the front and back end of

water injection pipe

250 and 233 joints, water route all is arranged with oil sealing 251 with water-impervious, again on the holder 25, the below all is provided with an electrode 252, this two electrode 252 is provided with carbon brush 253 with tool rest 23 joints, be not subjected to the obstruction of holder 25 when making tool rest 23 rotations, be arranged with fixing spring 254 on the electrode 252 again, in addition the intrinsic bucker 26 of holder 25 top spiral shells; Two cutters 3 are to be fixed on the clamping part 231 of tool rest 23, this two cutter 3 is for discoid, and there is open-work 30 in central authorities, this two cutter 3 is provided with the radial flange 31 that staggers in relative inner, then form water channel 32 (as shown in Figure 5) between the flange 31 of two cutters 3 and the flange 31, the periphery ring of two cutters 3 is provided with cutting part 33 again; One cutter lid 4 is to be fixed on the tool rest 3, and this cutter covers 4 central authorities and is provided with a screw 40, the intrinsic screw rod 41 of spiral shell in this screw 40.

During use, be that the working substance A that will be cut is fixed on the anchor clamps 20, and make anchor clamps 20 lead to upward negative electricity (or positive electricity), the polarity that makes working substance A is for negative, the then logical positive electricity (or negative electricity) of going up of electrode 252, make cutter 3 form polarity for just through the conduction of tool rest 23, when motor 21 rotates, drive tool rest 23 rotations via axostylus axostyle 22, and make cutter 33 produce spinning movement, making itself and working substance A produce a spacing, be positively charged by cutter 3, and working substance A is electronegative, therefore then produce an electric arc B between the cutting part 33 of cutter 3 and the working substance A surface, make working substance A be cut (as shown in Figure 6) and send high heat, 250 of the water injection pipes on the holder 25 can inject cutting fluid C again, are full of in the whole groove 230 of tool rest 23 through water route 233, because cutter 3 is rotation status, cutting fluid C can be sprayed out by the water channel 32 of 31 of the staggered flanges of cutter 3, and reaches the effect of heat radiation, and washes away the smear metal of accumulating simultaneously.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1. exempt to whet a knife and extensively use sawing machine for one kind, it is characterized in that it includes:

One board (2), this board (2) top is provided with anchor clamps (20), these anchor clamps (20) side is provided with motor (21), the intrinsic tool rest of this motor (21) axostylus axostyle (22) front end spiral shell (23), be provided with insulation sleeve (24) between this tool rest (23) and axostylus axostyle (22), this tool rest (23) front end is provided with groove (230), this groove (230) has been peripherally installed with clamping part (231), this tool rest (23) center is provided with screw (232), being provided with water route (233) above the tool rest (23) again communicates with groove (230), tool rest (23) has been peripherally installed with holder (25) in addition, this holder (25) is provided with water injection pipe (250), this water injection pipe (250) is to communicate with water route (233), and holder (25) locates to be provided with electrode (252) up and down again, and the top is provided with bucker (26);

Two cutters (3), be to be fixed on tool rest (23) clamping part (231), these two cutter (3) central authorities are provided with open-work (30), two cutters (3) are provided with flange (31) in relative inner again, then form water channel (32) between the flange (31) that this two cutter (3) interlocks relatively, two cutters (3) periphery ring is provided with cutting part (33) in addition;

One cutter lid (4) is to be fixed on the tool rest (23), and these cutter lid (4) central authorities are provided with screw (40), the intrinsic screw rod of the interior spiral shell of this screw (40) (41).

2. the wide sawing machine of using of exempting to whet a knife as claimed in claim 1, it is characterized in that the described water injection pipe (250) and the front and back of joint, water route (233) all are arranged with oil sealing (251), electrode (252) then is provided with carbon brush (253) with tool rest (23) joint again, and electrode (252) is arranged with fixing spring (254) in addition.