CN2047609U

CN2047609U - Electric flat scraping and milling cutter

Info

Publication number: CN2047609U
Application number: CN 89207923
Authority: CN
Inventors: 赵祥; 扬兰菊; 赵燕
Original assignee: Individual
Current assignee: Individual
Priority date: 1989-06-22
Filing date: 1989-06-22
Publication date: 1989-11-15

Abstract

The utility model discloses an electric flat scraping and milling knife. The dynamic force of the electric flat scraping and milling knife is provided by a motor. A flat scraping operation mode which uses a person as power is changed, the labor intensity of workers is decreased, and production rate is improved. The electric flat scraping and milling knife comprises a knife blade, a knife frame, the motor, a main body, a reference surface, etc. The utility model has the advantages of simple structure, small size, flexible operation, saving time and labor and stable processing. The utility model particularly processes the flat which has large area and is very weak and more shows the superiority of the electric flat scraping and milling knife.

Description

Electric flat scraping and milling cutter

The utility model relates to a kind of device for scraping, specifically a kind of scraping mechanism that is used for the scraping plane.

Pincers worker is at present all used the flat scraper of straight peen or elbow when the plane of scraping flat board or lathe bed.This sharpener is a hand-operated tools, does power with the people, and not only production efficiency is lower, and working strength of workers is very big.For the larger area flat board, the scraping of position, intermediate portion is difficulty more.

The purpose of this utility model just provides a kind of milling cutter of scraping that has power set, can realize large tracts of land processing to thick scraping and overproof bigger plane, and processing plane is convenient, flexible, boosts productivity.

The utility model is achieved in that according to the principle of blade rotation milling plane, makees the plane scraper with blade, and blade is fixed on the knife rest, and the motor drives knife rest rotates, and reaches the purpose on scraping plane.The scraping datum level is the bottom surface of fuselage, fuselage links to each other with shell, a general scraping amount is very little, it is 0.1 millimeter, so not too big to the requirement of motor power (output), thereby can adopt small-sized or micromachine is used as power, whole like this device just can be done lessly, be hand-held or hand held, thus more flexible in middle use.

The utility model adopts motor power scraping plane, greatly reduces working strength of workers, and is time saving and energy saving, improves work efficiency 3-5 doubly than manual scraping, especially to the overproof plane of large tracts of land, more show its superiority, and the quality of processing plane can meet the demands.This apparatus structure is simple, and is easy to manufacture, and cost is low, and volume is little, easy to use, is applicable to the scraping plane use of various mechanical producers.

Below in conjunction with description of drawings embodiment.

Fig. 1 is a kind of processing mode figure that originally scrapes milling cutter, and knife rest 1 is counterclockwise rotated by driven by motor, and the projection on 2 pairs of planes 3 of blade carries out Milling Process.Also available upmilling method processing.

Fig. 2, Fig. 3, Fig. 4 are three kinds of structure charts scraping cutting plate for milling cutters.

Fig. 5, Fig. 6 are the scheme of installations of two kinds of blades on knife rest.

Fig. 7 be knife rest be installed in the motor front end scrape the milling cutter construction schematic diagram.

Fig. 8 is the vertical view of Fig. 7.

Fig. 9 is that no handle is scraped the milling cutter construction schematic diagram.

Figure 10 is that knife rest is fixed in and scrapes the milling cutter profile between motor and the bearing.

Figure 11 be Figure 10 overlook step profile figure.

Figure 12 is a kind of milling cutter schematic diagram of scraping with Figure 10 structural similarity.

Figure 13 be motor output shaft with datum level vertical substantially scrape the milling cutter profile.

Figure 14 is the side view of Figure 13.

Embodiment 1: as Fig. 7, shown in Figure 8, blade 2 is installed on the knife rest 1, and knife rest is that axial symmetry three is petal, and the cutter groove and the screw hole of fixed blade 2 arranged on each petal.Knife rest is installed on the front end output shaft of motor 4, and the bottom surface of fuselage 14 is the scraping datum level, and motor output shaft datum level therewith is parallel, is adding man-hour, and this plane contacts with plate level, and this plane also is the tool setting datum level.Shell 24 is fixedly linked with fuselage 14, handle 5 is being scraped a side of milling cutter, the one end connect with shell on, the other end connect with fuselage on, be drilled with two pores at fuselage 14 bottom surfaces near the knife rest place, built-in spring 8 and support column 9, and fixing by hollow screw 10, and support column 9 stretches out datum level under spring 8 effects.This cover mechanism is the fuselage supporter, when processing a protuberance on the plane, and release handle, supporting mass is just propped the knife rest end, makes blade break away from processing plane, halt processing.Opening of motor is left alone without help, is to be controlled by the power switch 12 that is installed on the shell.Also can save handle and supporter, as shown in Figure 9, this structure is more simple, and profile is also more attractive in appearance simultaneously, directly holds shell with hand during operation and gets final product.

The above-mentioned motor of scraping in the milling cutter can be selected motor with cup rotor or motor with a speed change mechanism for use, like this because its output shaft departs from motor center, thereby can make the knife rest diameter less, dwindles machine volume.The installation of blade can be adopted Fig. 4, form shown in Figure 5.Be unidirectional fixed blade among Fig. 4, the center line of insert groove departs from knife rest centre of gyration line, adds can form positive rake angle man-hour, and anti-dress promptly forms negative rake.Fig. 5 can two-way fixed blade, and groove center line and centre of gyration line intersect, and forms the processing negative rake, according to the difference of using, can realize the processing of climb cutting and upmilling.Blade shapes can adopt various ways, can become rectangle (as Fig. 2), and it is circular-arc that the edge of a knife slightly is, by middle part processing.This blade is whetted a knife convenient, also can become " protruding " font (Fig. 3) or stairstepping (Fig. 4), and the edge of a knife is at ledge.The stairstepping blade is easily found processing accurately with outside alignment surface bossing.Blade is optional to be made with tool steel, high-speed steel or Hardmetal materials.

Parameter is selected: consider that the knife rest diameter is relevant with the factors such as size that performance, petal number and the motor output shaft of knife rest material depart from outer rim, desirable knife rest diameter 25-60 millimeter, petal number are 2-8.Power of motor is relevant with cutting force, and general cutting depth should be less than 0.1 millimeter, so the optional 10-90 of power of motor watt.The angle should be selected according to intensity, hardness and the cutting speed of blade material and processed material before and after the blade, general anterior angle-5 °-20 °, 5 °-20 ° of relief angles.

Embodiment 2: as Figure 10, shown in Figure 11, the basic structure of scraping milling cutter is substantially the same manner as Example 1, just bearing 11 is installed on fuselage 14, and knife rest 1 is fixed between motor and the bearing.Driving wheel 17 is housed on the output shaft of motor 4, and fixing by trip bolt 15, driven pulley 21 is contained on the tool axis 6, and motor drives the knife rest rotation by driving-belt 19.The bearing that is connected across the knife rest both sides is coaxial with driven pulley and knife rest.One of two bearings is positioned on the fuselage 14, and another is positioned on the fuselage side plate 7.In fuselage and the fuselage side plate bottom surface near knife rest, each is by a fuselage supporter of being made up of spring 8, support column 9 and hollow screw 10.Bearing can adopt the single-row radial ball bearing of band sealing ring, and motor can adopt the capacitor operating one-way motors, and part 13 is motor electric capacity.Rib the 16, the 20th, the rib of driving wheel 17 and driven pulley 21, belt housing 18 plays the safeguard protection effect.Circlip 22 rigid bearings 11 prevent the knife rest axial float.Stifled 23 are used for sealing, and make aesthetic in appearance.Handle 5 is being scraped directly over the milling cutter, and its two ends all are fixed on the shell 24.This milling cutter of scraping is suitable for the plane of same material is processed.

Also can omit belt drive unit, knife rest, bearing directly are fixed on the motor output shaft, as shown in figure 12.This structure adds man-hour in the knife rest rotation, and is stressed good, bearing capacity height, not fragile motor bearings and axle.

Embodiment 3: as Figure 13, shown in Figure 14, its basic comprising is the same, and motor adopts vertical type to install, and its output shaft is vertical substantially with datum level, and knife rest 1 transmits moment of torsion by key 25, adjusts tool holder height and fixing with two nuts 28.Blade can be fixed with screw in compression, also can be compressed by voussoir.Handle 5 is installed on the back of fuselage and shell, and the place, front has knife rest to stretch out.Motor can be selected the motor that has gearbox for use.The installation of knife rest should make its axis and datum level angle less than 90 °, and desirable 80 °-89 °, thus make carriage arbor when rotated, the blade that only forwards front end to contacts with processing plane, then breaks away from the plane in other position.Process is similar to scraping, adds to make the high point in alignment blade plane man-hour easily.This structure, safe in utilization, convenient, processing steadily, cutter is easily adjusted.The fuselage supporter will change slave on one's body to the bottom surface perforation by fuselage bottom surface boring fixed support post, be made of from top fixing spring 8 and support column 9 screw 27.

Claims

1, a kind of electric plane is scraped milling cutter, and blade 2 is the plane scraper, it is characterized in that blade 2 is fixed on the knife rest 1, and motor 4 drives the knife rest rotation, and shell 24 links to each other with fuselage 14, and the scraping datum level is the bottom surface of fuselage 14.

2, the milling cutter of scraping according to claim 1 is characterized in that being drilled with pore at fuselage 14 bottom surfaces near the knife rest place, built-in spring 8 and support column 9, and fixing by hollow screw 10, support column 9 stretches out datum level under the effect of spring 8.

3, the milling cutter of scraping according to claim 1 is characterized in that handle 5 is installed on the shell 24, and the one end links to each other with shell, and the other end links to each other with shell or fuselage.

4, the milling cutter of scraping according to claim 1 is characterized in that 2 one-tenth on blade " protruding " font or stairstepping, and the edge of a knife is at ledge.

5, the milling cutter of scraping according to claim 1 is characterized in that 2 one-tenth rectangles of blade.

6, according to claim 1,2,3, the 4 or 5 described milling cutters of scraping, it is characterized in that the output shaft of motor 4 is parallel with datum level.

7, according to claim 1,2, the 3 or 5 described milling cutters of scraping, it is characterized in that the output shaft of motor 4 is vertical substantially with datum level, its angle is 80 °-89 °.

8, according to claim 1,2,3, the 4 or 5 described milling cutters of scraping, it is characterized in that be equipped with bearing 11 on the fuselage, knife rest 1 is fixed between motor and the bearing.

9, the milling cutter of scraping according to claim 6 is characterized in that knife rest 1 is petal axisymmetricly, and the cutter groove and the screw hole of fixed blade 2 arranged on each petal, and the petal number is 2-8.

10, the milling cutter of scraping according to claim 7 is characterized in that knife rest 1 is petal axisymmetricly, and the cutter groove and the screw hole of fixed blade 2 arranged on each petal, and the petal number is 2-8.