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CN2492328Y - Hand-held electric chamfering machine - Google Patents

Hand-held electric chamfering machine Download PDF

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Publication number
CN2492328Y
CN2492328Y CN 01253318 CN01253318U CN2492328Y CN 2492328 Y CN2492328 Y CN 2492328Y CN 01253318 CN01253318 CN 01253318 CN 01253318 U CN01253318 U CN 01253318U CN 2492328 Y CN2492328 Y CN 2492328Y
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CN
China
Prior art keywords
head
knife bar
screw
eccentric wheel
main shaft
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Expired - Fee Related
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CN 01253318
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Chinese (zh)
Inventor
严伟法
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Individual
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Individual
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Priority to CN 01253318 priority Critical patent/CN2492328Y/en
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Publication of CN2492328Y publication Critical patent/CN2492328Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a hand electric chamfering machine, a single-phase miniature motor is adopted as the power-driven. The motion of the motor passes to a main axle knife bar via a pair of parachute type reduction gears directly and drives the cutting blade cutting reelingly, the opening of the lower end of the machine head is provided with two guiding iron plates which realize the function of guide rail and change the cutting angle, the size of the cutting is realized by adjusting an eccentric sheave. Compared with the prior art, the chamfering machine has the advantages of simple structure, convenient carrying, and convenient operation when in use, and can ensure the quality of the workpiece chamfering hob, improve the work efficiency and reduce the work intensity, and can be applicable to spreading and using in various machinofacture chamfering hob manufactures.

Description

The hand electric beveler
The utility model relates to a kind of machine tools, particularly a kind of hand electric beveler.
The chamfering of metal material is the most frequently used manufacturing procedure of mechanical industry, two kinds of processing modes of main at present employing: a kind of is that the metal works that need are processed is fixed on the lathe, use cutter to carry out machining, this mode exists clamping times many, particularly be difficult for moving, the processing of big workpiece, work efficiency is quite low; Another kind is to adopt electronic grinding tool (as electric angle grinder), with emery wheel to the need processing metal work carry out grinding, this mode is because electronic grinding tool is the armrest gripping, add that workpiece to be machined does not have benchmark to lean on a little, can't keep stable in the processing, the angular error that processes is bigger, and there is uneven phenomenon in the surface, can't guarantee the unification of workpiece chamfer dimesion.
The purpose of this utility model provides a kind of easy to use, can guarantee certain machining accuracy again, adopts the machine cut mode workpiece to be carried out the hand electric beveler of chamfer machining.
The purpose of this utility model is achieved in that a kind of hand electric beveler, form by motor-driven part and mechanical part, motor-driven partly adopts prior art, include single phase miniature motor, power control switch, motor housing etc., mechanical part is characterized in that: the output shaft of drive motor stretches out from the opening part of motor housing front portion, be fixed with a small umbrella gear in its end, large umbrella gear with the small umbrella gear engagement is installed on the main shaft knife bar, by woodruff key, jump ring is to its positioning and fixing, gear box casing one openend cooperates with motor housing open front end, fix by trip bolt, bearing is equipped with at main shaft knife bar middle part, by bearing cap it is fixed in the endoporus of middle set upper side, bearing downside main shaft knife bar position is set with a wool felt sealing ring, middle cover top cooperates with the gearhousing lower open end, fastening with flat head screw, main shaft knife bar upper end head is equipped with bearing, the outer ring of bearing is loaded in the dead eye of gearhousing intracoelomic cavity close-fitting with it, in the head semicircular recess of main shaft knife bar lower end with the fastening cutting tip that is equipped with of screw, in the cover the lower outer diameter face on suit eccentric wheel, by the collar groove of opening on the middle cover lower outer diameter face it is made axial limiting by spring collar, it is done radially fixing by the top screw, on the eccentric wheel lower outer diameter face suit head, by the groove of opening on the eccentric wheel lower outer diameter face it is made axial limiting by limited bolt, by the head trip bolt it is fastened on the eccentric wheel, on the right angle opening surface that the head bottom is provided with, one liner and upside guiding iron plate is installed on the coaxial vertical plane, fastening by screw, right side guiding iron plate is installed on the plane of coaxial level, fastening by screw, it is hemispheric adjustment screw that two heads are equipped with in its center line bilateral symmetry setting, and the head left upper portion is installed with plastic handle; Described eccentric cylindrical one side is carved with four road graduation marks, and corresponding 0,1,2,3 Arabic numerals are carved with on the graduation mark side; A benchmark indicator graduation lines is carved with on the surface between limited bolt on the described head and the head trip bolt; Described upside guiding iron plate installed surface angle (E), can be selected in 0 ° of-15 ° of scope as datum level with its opposite side plane; Described right side guiding iron plate installed surface angle (F), can be selected in 0 ° of-15 ° of scope as datum level with its opposite side plane.
The utility model adopts single phase miniature motor to be used as power, the a pair of drag parachute generating gear that moves through of motor is directly passed to the main shaft knife bar, driving the cutting tip rotation cuts, two guiding iron plates that head lower openings place is provided with, when carrying out chamfer machining, their datum level plays the guide rail effect near the workpiece to be machined surface, solved existing electric tool to workpiece add do not have man-hour benchmark by the point shortcoming, the change of cutting angle realizes with the angle of the installed surface of head by adjusting two guiding iron plates, the change of cutting size realizes so that the head integral central departs from main shaft knife bar central axis by adjusting eccentric wheel and the circumferential relative position of head.Compared with prior art, this beveler has simple in structure, is easy to carry, and is easy to operate during use, can guarantee the quality of workpiece chamfering, also can improve work efficiency, reduces labor intensity, and can be widely used in promoting the use of in all kinds of machine-building chamfer machining.
Below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
Fig. 1 is the partial sectional view after the utility model general assembly;
Fig. 2 is the three-dimensional exploded view of main composition element of the present utility model;
Fig. 3 is the utility model eccentric wheel adjustment structure part schematic diagram;
Fig. 4 is that the offset movement schematic diagram is made in the relative main shaft knife bar of head axle center when regulating eccentric wheel;
Fig. 5 is that Fig. 3 B is to scale index line schematic diagram;
Head polycrystalline substance schematic diagram when Fig. 6 makes the external diameter rounded corner for the utility model;
Head polycrystalline substance schematic diagram when Fig. 7 makes the internal diameter rounded corner for the utility model;
Fig. 8 dissects sectional view for head bottom two guiding iron plates along center line.
Shown in Fig. 1 and 2 figure, the utility model hand electric beveler comprises motor-driven part and mechanical part composition.Motor-driven partly adopts prior art, by a shell, a micro drive motor is housed in the shell, and a power control switch is housed on the shell.Mechanical part by: the output shaft 6 of drive motor stretches out from the opening part of motor housing 7 front portions; be fixed with a small umbrella gear 5 in its end; large umbrella gear 2 with small umbrella gear 5 engagements is installed on the direct knife bar 15 as main shaft; by woodruff key 4; jump ring 21 by the keyway opened on the main shaft knife bar 15 and jump ring groove to its positioning and fixing; gear box casing 1 one side opening ends cooperate with motor housing 7 open front ends; fix by four trip bolt 19 diagonal angles; bearing 17 is equipped with at main shaft knife bar 15 middle parts; by bearing cap 18; threaded engagement on the middle cover 16 is fixed bearing 17 in the endoporus of middle cover 16 upper ends; bearing 17 downside main shaft knife bar position suits one wool felt sealing ring 12; prevent the intrusion of iron filings or dust; and lubricant grease is unlikely in the protection bearing leaks; middle cover 16 tops cooperate with gear box casing 1 lower open end; fastening with four cross flat head screw 24 diagonal angles; main shaft knife bar 15 upper end heads are equipped with bearing 3; the outer ring of bearing 3 is loaded in the dead eye of gear box casing 1 inner chamber close-fitting with it; in the main shaft knife bar 15 lower end head semicircular recess with the hexagon socket head cap screw 22 fastening cutting tips 14 that are equipped with; its cutting face and main shaft knife bar 15 central axis are 45; in on cover 16 the lower outer diameter face suit eccentric wheel 11; by the jump ring groove of opening on the middle cover lower outer diameter face it is made axial limiting by jump ring 23; it is done radially fixing by top screw 20; on the eccentric wheel 11 lower outer diameter faces suit head 9; by the groove of opening on the eccentric wheel 11 lower outer diameter faces it is made axial limiting by limited bolt 26; by head trip bolt 25 it is fastened on the eccentric wheel 11; unscrew trip bolt 25; pulling limited bolt 26; can conveniently take off head 9, carry out the loading and unloading of cutting tip 14.On outer round surface one side of eccentric wheel top, be carved with four road scale index lines (as shown in Figure 5), graduation mark is other to be carved with corresponding 0,1,2,3 Arabic numerals, adjust the indication of chamfer dimesion during as machining, outer surface is carved with a benchmark indicator graduation lines 91 between head 9 upper limit bolts 26 and head trip bolt 25, does the datum mark indication and use when adjusting cutting output.On the right angle opening surface that head 9 bottoms are provided with, one liner 27 and upside guiding iron plate 10 is installed on the coaxial vertical plane, fastening by screw 28, liner 27 works the foozle effect of regulating, right side guiding iron plate 13 is installed on the plane of coaxial level, fastening by screw 29, installed surface angle " E ", " F " (as shown in Figure 8) that upside guiding iron plate 10 and right side guiding iron plate 13 contact with head right angle opening surface, respectively with its opposite side plane as datum level, according to the requirement of workpiece chamfer angle, can in 0 ° of-15 ° of scope, select.In right side guiding iron plate 13 center line bilateral symmetry settings two heads being housed is hemispheric adjustment screw 30, and head 9 left upper portion are installed with plastic handle 7 by being threaded.
Operation principle:
The a pair of drag parachute generating gear that moves through of the drive motor of hand electric beveler is directly passed to the main shaft knife bar, driving the cutting tip rotation cuts, two its datum planes of guiding iron plate that head lower openings place is provided with play the guide rail effect near the machined object surface, during work, hold the beveler plastic handle and pass at the uniform velocity forward, can finish chamfer machining workpiece;
The adjustment of chamfer dimesion: the size of chamfer dimesion is by rotate adjusting the circumferential relative position of eccentric wheel 11 and head 9, so that the central axis of the relative main shaft knife bar 15 in integral central position of head 9 produces skew, thereby realize the adjustment of cutting chamfer dimesion size, as shown in Figure 3-Figure 5, unscrew eccentric wheel top screw 20 during adjustment, loosening again head trip bolt 25, rotate eccentric wheel 11 by the required chamfer dimesion requirement of workpiece, make the respective value graduation mark on it aim at head 9 lip-deep datum mark graduation marks 91, tighten head trip bolt 25 then, eccentric wheel top screw 20 gets final product, and the adjusting range of chamfer dimesion is 0-3mm.
The chamfering state is selected: to external diameter circle, internal diameter disc chamfering the time, reach the cutting chamfering that adapts to each big or small processing work by regulating moving of spherical screw 30 into and out of the position, when carrying out the workpiece chamfering of external diameter circle, only need to regulate two hemispherical screws 30 on the guiding iron plate 13 of right side, can successfully finish the cutting chamfering of periphery (seeing shown in Fig. 6 " C "); When carrying out the workpiece chamfering of internal diameter disc, only need replace with the guiding iron plate 13-1 (seeing shown in Figure 7) of arc surface, regulate the screw 30 of the hemispherical head in two ends, can successfully finish the cutting chamfering of aperture surface (seeing shown in Fig. 7 " D "); When carrying out the workpiece chamfering of rectilinear angle, the lead screw 30 of two hemispherical heads on the iron plate 13 of right side is laid down and got final product;
The adjustment of chamfer angle: the angle according to cutting tip cutting face and main shaft knife bar central axis is 45 ° of fixed values, so, as changing the angle of chamfering within the specific limits, replaceable upside guiding iron plate 10, right side guiding iron plate 13 is the iron plate of respective angles (seeing shown in Figure 8), " E " angle that is upside guiding iron plate 10 adds analog value, " F " angle of right side guiding iron plate 13 deducts the respective angles numerical value that upside guiding iron plate 10 adds and gets final product, two guiding iron plates " E ", " F " angle is selected in 0 ° of-15 ° of scope, the rectilinear angle workpiece is passed through the converting workpiece direction, can realize chamfering in 30 ° of-60 ° of scopes, to the external diameter circle, internal diameter sired results part can be realized chamfering in 30 ° of-45 ° of scopes; As processing the R angle, only need to change cutting tip 14, load onto the cutting tip at band R angle, can carry out the machining at R angle.

Claims (5)

1, a kind of hand electric beveler, form by motor-driven part and mechanical part, it is characterized in that: the output shaft of drive motor (6) stretches out from the anterior opening part of motor housing (7), be fixed with a small umbrella gear (5) in its end, the large umbrella gear (2) of same small umbrella gear (5) engagement is installed on the main shaft knife bar (15), by woodruff key (4), jump ring (21) is to its positioning and fixing, the gear box casing same motor housing of (1) one side opening end (7) open front end cooperates, fixing by trip bolt (19), bearing (17) is equipped with at main shaft knife bar (15) middle part, by bearing cap (18) it is fixed in the endoporus of middle cover (16) upper end, bearing (17) downside knife bar position is set with a wool felt sealing ring (12), middle cover (16) top cooperates with gear box casing (1) lower open end, fastening with flat head screw (24), main shaft knife bar (15) upper end head is equipped with bearing (3), the outer ring of bearing (3) is loaded in the dead eye of gear box casing (1) inner chamber close-fitting with it, in the head semicircular recess of main shaft knife bar (15) lower end with the fastening cutting tip (14) that is equipped with of screw (22), in the cover (16) the lower outer diameter face on suit eccentric wheel (11), by the collar groove of opening on the middle cover lower outer diameter face it is made axial limiting by spring collar (23), it is done radially fixing by top screw (20), on eccentric wheel (11) the lower outer diameter face suit head (9), by the groove of opening on eccentric wheel (11) the lower outer diameter face it is made axial limiting by limited bolt (26), by head trip bolt (25) it is fastened on the eccentric wheel (11), on the right angle opening surface that head (9) bottom is provided with, one liner (27) and upside guiding iron plate (10) is installed on the coaxial vertical plane, fastening by screw (28), right side guiding iron plate (13) is installed on the plane of coaxial level, fastening by screw (29), it is hemispheric adjustment screw (30) that two heads are equipped with in its center line bilateral symmetry setting, and head (9) left upper portion is installed with plastic handle (8).
2, hand electric beveler according to claim 1 is characterized in that: cylindrical one side of described eccentric wheel (11) is carved with four road graduation marks, and corresponding 0,1,2,3 Arabic numerals are carved with on the graduation mark side.
3, hand electric beveler according to claim 1 is characterized in that: outer surface is carved with a benchmark indicator graduation lines (91) between limited bolt (26) on the described head (9) and the head trip bolt (25).
4, hand electric beveler according to claim 1 is characterized in that: described upside guiding iron plate (10) installed surface angle (E), can be selected in 0 ° of-15 ° of scope as datum level with its opposite side plane.
5, hand electric beveler according to claim 1 is characterized in that: described right side guiding iron plate (13) installed surface angle (F), can be selected in 0 ° of-15 ° of scope as datum level with its opposite side plane.
CN 01253318 2001-08-28 2001-08-28 Hand-held electric chamfering machine Expired - Fee Related CN2492328Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01253318 CN2492328Y (en) 2001-08-28 2001-08-28 Hand-held electric chamfering machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01253318 CN2492328Y (en) 2001-08-28 2001-08-28 Hand-held electric chamfering machine

Publications (1)

Publication Number Publication Date
CN2492328Y true CN2492328Y (en) 2002-05-22

Family

ID=33662835

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01253318 Expired - Fee Related CN2492328Y (en) 2001-08-28 2001-08-28 Hand-held electric chamfering machine

Country Status (1)

Country Link
CN (1) CN2492328Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101870081A (en) * 2010-06-13 2010-10-27 江苏国强工具有限公司 Handheld marble chamfering machine
CN107598701A (en) * 2017-09-21 2018-01-19 镇江颀龙科技有限公司 A kind of chamfer tool
WO2019109281A1 (en) * 2017-12-07 2019-06-13 Tti(Macao Commercial Offshore) Limited Chamfering planer with negative depth of cut

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101870081A (en) * 2010-06-13 2010-10-27 江苏国强工具有限公司 Handheld marble chamfering machine
CN107598701A (en) * 2017-09-21 2018-01-19 镇江颀龙科技有限公司 A kind of chamfer tool
WO2019109281A1 (en) * 2017-12-07 2019-06-13 Tti(Macao Commercial Offshore) Limited Chamfering planer with negative depth of cut

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee