CN2535174Y

CN2535174Y - Electric cutting machine

Info

Publication number: CN2535174Y
Application number: CN 02215518
Authority: CN
Inventors: 胡桂强
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-01-31
Filing date: 2002-01-31
Publication date: 2003-02-12
Anticipated expiration: 2012-01-31

Abstract

The utility model relates to the technology field of an electric cutting machine, which is designed for improving the protective value of a shield. The utility model consists of a pedestal, a working platform, a rocker, an electric machine, a saw bit and a fixed protective cover. The working platform that can be rotated is fixed on the pedestal. And the fixed protective cover that can be pressed down and lifted up is flexibly fixed on the pedestal by a rocker. The saw bit driven by the electric machine is fixed in the fixed protective cover. The utility model is characterized in that the fixed protective cover is provided with a connecting bar. One end of the connecting bar has removable hinge joint with the upper end of the rocker. The other end of the connecting bar is provided with a slide way that has removable plug-in connection with a locating stud that is positioned on the side of the fixed protective cover. The connecting bar is provided with a rack that has joggle connection with a protecting cap gear fixed with a removable protective cover. The removable protective cover is arranged on a pipe box and an offsetting spring is arranged between the removable protective cover and the fixed protective cover. The utility model has the advantages of simple structure, good safety and easy operation, which is applicable for the electric cutting machine.

Description

Electric slicer

Technical field

The utility model relates to a kind of electric slicer, relates in particular to the electric miter saw technical field.

Background technology

Along with the development of building material industry, electric slicer is widely used for cutting various metal tube material, angle steel, channel-section steel and various stone lumber in the electric tool, so electric slicer exists huge market, therefore has scientific and technical personnel to develop various electric slicers.It as the patent No. 98207188.4 Chinese patent " multifunctional cutting machine ", it is mainly by fuselage, base, support, motor, main shaft, clamp, saw blade and saw blade cover constitute, it is characterized in that support is made up of the supporting seat of bottom and the gripper shoe on top, supporting seat in the support is fixedly installed on the base, have skewed slot on the supporting seat, the bottom of gripper shoe has bolt hole, penetrate by bolt in the bolt hole of the skewed slot of supporting seat and gripper shoe and cooperate with nut, gripper shoe is fixedly installed in one with supporting, gripper shoe is perpendicular to base, the both sides, upper end of gripper shoe have axis hole, back shaft is installed in the axis hole, the both sides and the back shaft of fuselage are installed togather, fuselage can rotate around back shaft, an end is equipped with motor on the fuselage, the other end is a collar bush, main shaft is installed in the collar bush, the axis of main shaft is parallel with the axis of back shaft, one end of main shaft is installed with according to sheet, the other end is equipped with emery wheel, have transmission mechanism on the main shaft, motor can drive main shaft by transmission mechanism and rotate, and the top of saw blade is equipped with according to the sheet cover, the top of emery wheel is equipped with wheel guard, on the fuselage of main shaft place end operating grip is installed; On base, have the groove corresponding, clamp are installed in the outside of the close base edge of groove with saw blade.Its main inventive point is multifunctional characteristics, can fracture, cuts sheet material, polishing burr, there is progressive meaning, but aspect protective cover, still adopt traditional structure, only be fixed with fixing protective cover above the saw blade, have some hidden danger like this, did not expose its saw blade bottom when electric slicer did not use on the one hand, the careless misconnection easily of operating personnel or child is touched like this, causes human injury's accident; When cutting head is pressed down because of carelessness mistakenly on the other hand, the work top of saw blade meeting contacting metal, damage saw blade or working metal table top; On the one hand saw blade exposes and is stained with dirt easily again, causes easily and gets rusty, and influences saw blade service life.The patent No. is that 98207187.6 Chinese patent " cutting machine " also exists similar problem.The patent No. is 98223376.1 Chinese patent " indexing means of cutting machine base plate " in addition, it comprises base plate, is installed in the support on the base plate, it is characterized in that described support is provided with the hole, be provided with ball, spring and countersunk head screw in the hole from down to up successively, in the locating hole that the bottom embedding base plate of ball is provided with.This calibration structure lacks lock function, and the vibration when work of general electric slicer is very big, owing to be subjected to extraneous power such as maloperation or vibration force influence, support still can relatively move with base plate, correctly cuts thereby influence people.It as the patent No. 00202911.1 Chinese patent " saw working bench face ", it generally is smooth as traditional electric slicer work top, because the frictional force between workpiece and the work top is less, workpiece pressing effectively, compacted workpiece is subjected to displacement phenomenon when tending to appear at cutting like this, influences people and uses.All this kind electric slicer exists some to need the further improved place of people.

Summary of the invention

First technical problem to be solved in the utility model provides a kind of simple in structure, electric slicer that can improve blade guard safeguard protection performance, strong operability greatly.

Another technical problem to be solved in the utility model is that a kind of enforcement simple in structure, easy, easy to use, electric slicer with calibration locking action are provided on the basis of the above.

Another technical problem to be solved in the utility model provides a kind of enforcement simple in structure, easy on the basis of the above, can effectively prevent the electric slicer of workpiece sliding transfer.

The utility model solves the technical scheme that above-mentioned first technical problem adopted: this kind electric slicer, it includes base, workbench; rocking arm; motor; saw blade; fixed blade guard; be fixed with workbench on the base rotationally; simultaneously by rocking arm be fixed with versatilely can press down and on the fixed blade guard lifted; be fixed with saw blade in the fixed blade guard; it is characterized in that: connecting rod is arranged in the fixed blade guard; the upper end of connecting rod one end and rocking arm is and is movably hinged; the alignment pin that the connecting rod other end is opened chute and fixed blade guard side is the movable formula of inserting and is connected and fixed; shaft portion has tooth bar by driven by motor; tooth bar with and guard shield gears engaged that flexible blade guard is fixed together be connected; flexible blade guard is enclosed within on the axle sleeve, and and fixed blade guard between drawn the guard shield back-moving spring.

In the above-mentioned fixed blade guard push rod is arranged, the opening of push rod one end by fixed blade guard stretches out and becomes the hand push part, one end of the other end and intermediate connecting rod is movably hinged, and the middle part of intermediate connecting rod is movably hinged with fixed blade guard, the other end of intermediate connecting rod has hook, and hook and the steady pin of rocking arm end are breaking away from hook of cooperation and are connected.

The utility model solves above-mentioned second technical scheme that technical problem adopted: on the first technical scheme basis, calibration position and lock mechanism is arranged between workbench and the base, calibration position and lock mechanism structure is that workbench is coaxial being rotatably mounted on the base, the base side is provided with locating hole along the circumference circular row, and workbench below be provided with the calibration backstay, the calibration backstay is connected and fixed below fixed cover and workbench near positioning end, its positioning end just cooperates with the annular locating hole in base side simultaneously, and the calibration backstay other end stretches out the outside by the perforate of workbench side, be connected with spanner versatilely by the spanner pin, be supported with the calibration retainer spring between inboard face of workbench and the calibration backstay.

The utility model solves above-mentioned the 3rd technical scheme that technical problem adopted: on the technique scheme basis, the workbench surface distributed has the jaw groove.

Above-mentioned jaw groove is the parallel lines distribution or cross spider distributes.

Compared with prior art, advantage of the present utility model is: 1, the protective cover security performance of saw blade is stronger, when electric slicer does not cut work at ordinary times, flexible blade guard and fixed blade guard are to constitute enclosed construction, prevent that saw blade from exposing, so general operation personnel or child can not touch the cutter peak of saw blade easily, can prevent the generation of personal injury accident effectively, can prevent that again dirt on the building site from adhering to saw blade and getting on, play necessary protective effect, because the locking action of push rod is arranged, general cutting head can not press down easily, has only operating personnel to depress push rod, just can press down cutting head, make the cutting of cutting head contact workpiece, so avoid cutting head because maloperation contact work top plays necessary protective effect; 2, operating characteristics is strong, as long as when cutting head is subdued cut workpiece, flexible blade guard can be opened automatically, allow the bottom of saw blade expose, satisfy split requirement, and lift cutting head, not during cut workpiece, the flexible blade guard auto-closing is so that the user of service manipulates is very convenient; 3, simple and reasonable, make easily, it is few to increase cost; 4, the calibration structure has locking action, does not have spanner to open, and workbench and base position and lock are firm, sliding transfer easily not, and simple for structure, make easily, use very convenient again; 5, workbench adopts jaw flute profile formula, increases the frictional force between workpiece and the workbench, can prevent the workpiece sliding transfer effectively, and structure is very simple, implements easily, and can increase the aesthetic property of cutting machine, gives the new visual effect of people.

Description of drawings

The stereogram of Fig. 1 the utility model electric slicer;

One of Fig. 2 electric slicer protective roof structure figure;

Two of Fig. 3 electric slicer protective roof structure figure;

Three of Fig. 4 electric slicer protective roof structure figure;

Four of Fig. 5 electric slicer protective roof structure figure;

Five of Fig. 6 electric slicer protective roof structure figure;

Fig. 7 electric slicer calibration position and lock structure chart;

Fig. 8 calibration position and lock structure partial enlarged drawing;

Fig. 9 electric slicer workbench structure chart.

The specific embodiment

Below in conjunction with description of drawings embodiment of the present utility model is described in further detail.

Anticipate as shown in the figure, this kind electric slicer includes critical pieces such as base 2, workbench 1, Rocker arm 4, motor 6, saw blade 7, workbench 1 is fixed on the base 2 versatilely by center fixed axle 3, workbench is on base, and rotational angle suitably, regulate they relatively between the position.Workbench 1 outside also is fixed with a Rocker arm 4 as support, generally, Rocker arm 4 is to adopt axle sleeve to fixedly connected with workbench 1 with fixed axle structure, makes rocking arm regulate the relative tilt degree with workbench, thereby regulate saw blade and work piece cut gradient, satisfy people's different needs.Rocker arm 4 is substantially

Shape, be connected and fixed with rectangular fixed blade guard 5 sides 13 by bearing and rotating shaft 14 near the bending part that makes progress in the middle, this being connected and fixed is movable connection, making fixed blade guard can be that rotate at the center around rotating shaft, generally, cutting head lifts under the state, and fixed blade guard 5 is miter angle with Rocker arm 4.Fixed blade guard 5 bottoms are openings, and the side is fixed with motor 6, and general motor becomes miter angle with fixed blade guard, and motor 6 main shafts are connected and fixed by the inside and the saw blade 7 that axle sleeve extend into fixed blade guard.There is a connecting rod 15 the inside of fixed blade guard 5, connecting rod one end is to be movably hinged with Rocker arm 4 one end that extend into the fixed blade guard the inside, the connecting rod other end is opened chute 16, carrying out the activity formula of inserting with the alignment pin 20 of the inboard face of fixed blade guard is connected, connecting rod front portion to medium position has tooth bar 19, the guard shield gear 21 that this tooth bar and flexible blade guard are fixed together is connected with a joggle, install for convenience and use, guard shield gear 21 is coaxial mounted with flexible blade guard 5, can adopt screw to be connected and fixed between them or tight fit is connected and fixed, flexible blade guard 8 is enclosed within on the axle sleeve, and and fixed blade guard 5 between drawn guard shield back-moving spring 9.In order further to improve the security of using, in fixed blade guard, also be provided with the push rod locking mechanism, in fixed blade guard, above connecting rod, be provided with a push rod 11, the opening of push rod one end by the fixed blade guard side stretches out the outside becomes hand push part 10, the other end just is movably hinged with the upper end of intermediate connecting rod 12, and the side of the middle part of intermediate connecting rod and fixed blade guard also is movably hinged, there is hook 17 lower end of intermediate connecting rod, and hook and the steady pin 18 of rocking arm end are breaking away from hook of cooperation and are connected.

The operation principle of its protective cover is such, generally, the electric slicer cutting head is in to be lifted under the non-cut state, fixed blade guard 5 is miter angle with Rocker arm 4, flexible blade guard 8 is in closure state, because tooth bar 19 is in occlusal position with guard shield gear 21, and the hook 17 of push rod locking mechanism intermediate connecting rod hooks with the steady pin 18 on the rocking arm, thereby fixed blade guard 5 can not be pressed down, the cutting head that is electric slicer can not press down, lift on flexible blade guard 8 is not understood yet and open, saw blade is under the close and protect of whole protective roof, see Fig. 2; When the end of people with hand lower push-rod 11, intermediate connecting rod 12 is rotated, make the hook 17 of its lower end deviate from steady pin 18 positions on the rocking arm, fixed blade guard 5 can rotate and press down cutting head around the rotating shaft on the rocking arm 14 like this, fixed blade guard 5 is in the process of pressing down, the alignment pin 20 of its inboard face is also moved down thereupon, because alignment pin is connected with the connecting rod 15 movable formulas of inserting, it rotates drivening rod one end, and the rotation of connecting rod 15, the guard shield gear 21 that the tooth bar 19 on the connecting rod is driven on the flexible blade guard rotates, thus flexible blade guard 8 is lifted synchronously to be opened, saw blade 7 bottoms are exposed, see Fig. 3; When fixed blade guard pressed to cut state, the unlatching of flexible blade guard can be satisfied split requirement, and the distance that can guarantee the lower port of flexible blade guard and workbench is again seen Fig. 4 less than 12 millimeters; Along with moving forward and backward of connecting rod 15, because tooth bar 19 is thrown off fully with the interlock of guard shield gear 21, flexible blade guard can be according to the height of cut workpiece under the guard shield action of reset spring, protect the sawtooth of front end, see Fig. 5, when cutting finishes, along with resetting of fixed blade guard 5 lifted, flexible blade guard 8 under guard shield back-moving spring 9 effect with fixed blade guard 5 synchronizing closes, up to the state that resets to beginning, make the lower end hook 17 of intermediate connecting rod link up with steady pin 18 on the rocking arm firmly once more, lock fixed blade guard 5; When wanting electric slicer to change saw blade, at first to push push rod 11, and press down cutting head, flexible blade guard 8 is opened, pinned flexible blade guard 8 then, flexible blade guard is lifted synchronously with fixed blade guard 5, can change saw blade easily in this case, see Fig. 6.

For the angle of determining that workbench rotates, between the workbench 1 of general electric slicer and the base 2 indexing mechanism is arranged, they are provided with the periphery of angle index at the outside of base 2 periphery, and the workbench 1 on base is provided with cue mark, read the scale of periphery like this by cue mark, just can know the angle that workbench rotates, in cutting process, for vibration or the foreign matter collision that prevents maloperation or cutting machine itself brings relatively moving of workbench and base, between workbench and base, be provided with calibration position and lock mechanism.This calibration position and lock mechanism structure is that workbench 1 is coaxial being rotatably mounted on the base 2, base 2 sides below workbench are provided with locating hole 22 along the circumference circular row, generally locating hole 22 is evenly to distribute along circumference, be provided with calibration backstay 24 below the workbench, the calibration backstay is connected and fixed below workbench by fixed cover 23 near positioning end, its positioning end can stretch, it cooperates with the annular locating hole in base side, the calibration backstay other end stretches out the outside by the perforate of workbench side, be connected with spanner 26 versatilely by spanner pin 27, be supported with calibration retainer spring 25 between the nut of inboard face of workbench and calibration backstay.

The operation principle of calibration position and lock mechanism is such, when people want rotation work platform 1, at first to pull spanner 26, make spanner 26 uprightly withstand the side of workbench 1, calibration backstay 24 is under the pulling of spanner like this, the elastic force that overcomes calibration retainer spring 25 outwards moves, make the positioning end of calibration backstay withdraw from the locating hole 22 of base side, workbench can rotate on base like this, people are according to the scale on cue mark on the workbench and the base periphery, workbench is turned to the angle that needs, and then pull lower ejector lever 26, make spanner sagging, calibration backstay 24 loses the pulling force of spanner like this, resets under the elastic force effect of calibration retainer spring 25, and positioning end is inserted into the new locating hole in base side 22 once more, locking between workbench and the base is got up, prevent its unexpected moving.

In order to increase the frictional force between workpiece and the workbench, prevent the unexpected slippage of the workpiece that compresses, at the surface distributed jaw groove 28 of workbench 1, the distribution of jaw groove can adopt parallel lines to distribute or cross spider distributes, and brings new visual effect to electric slicer simultaneously.

Claims

1; A kind of electric slicer; It includes base (2); Workbench (1); Rocking arm (4); Motor (6); Saw blade (7); Fixed blade guard (5); Be fixed with rotationally workbench (1) on the base (2); Simultaneously by rocking arm (4) be fixed with actively can press down and on the fixed blade guard (5) lifted; The inner saw blade (7) that is fixed with by driven by motor of fixed blade guard (5); It is characterized in that: fixed blade guard (5) is inner connecting rod (15); The upper end of connecting rod one end and rocking arm (4) is and is movably hinged; The alignment pin (20) that the connecting rod other end is opened chute (16) and fixed blade guard side is the movable formula of inserting and is connected and fixed; Shaft portion has tooth bar (19); Tooth bar is connected with a joggle with the guard shield gear (21) that flexible blade guard is fixed together together; Flexible blade guard (8) is enclosed within on the axle sleeve, and and fixed blade guard between drawn guard shield back-moving spring (9).

2, electric slicer according to claim 1 is characterized in that described guard shield gear (21) is that concentric is fixedlyed connected with flexible blade guard (8).

3, electric slicer according to claim 1, it is characterized in that there is push rod (11) described fixed blade guard (5) lining, the opening of push rod one end by fixed blade guard stretches out becomes hand push part (10), one end of the other end and intermediate connecting rod (12) is movably hinged, and the middle part of intermediate connecting rod is movably hinged with fixed blade guard, the other end of intermediate connecting rod has hook (17), and hook and the steady pin (18) of rocking arm end are breaking away from hook of cooperation and are connected.

4, electric slicer according to claim 1, it is characterized in that between described workbench (1) and the base (2) calibration position and lock mechanism being arranged, calibration position and lock mechanism structure is that workbench (1) is coaxial being rotatably mounted on the base (2), the base side is provided with locating hole (22) along the circumference circular row, and workbench below be provided with calibration backstay (24), the calibration backstay is connected and fixed below workbench by fixed cover (23) near positioning end, its positioning end just cooperates with the annular locating hole in base side (22) simultaneously, and the calibration backstay other end stretches out the outside by the perforate of workbench side, be connected with spanner (26) versatilely by spanner pin (27), be supported with calibration retainer spring (25) between inboard face of workbench and the calibration backstay.

5, electric slicer according to claim 1 is characterized in that its surface distributed of described workbench (1) has jaw groove (28).

6, electric slicer according to claim 5 is characterized in that described jaw groove (28) is the parallel lines distribution or cross spider distributes.

7, electric slicer according to claim 1 is characterized in that what described fixed blade guard (5) was fixedlyed connected versatilely by rotating shaft (14) and bearing and rocking arm (4).