CN2782300Y

CN2782300Y - Hand multi-head electrical grinder

Info

Publication number: CN2782300Y
Application number: CN 200520014326
Authority: CN
Inventors: 袁吉明
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-08-25
Filing date: 2005-08-25
Publication date: 2006-05-24
Anticipated expiration: 2015-08-25

Abstract

The utility model relates to a hand-held cutting tool, specifically a hand-held multi-head electrical grinder which has two or three or more grinding heads. The grinding heads can be converted directly by hand holding. The utility model is composed of a casing, a motor, a switch and a main shaft, wherein the motor is arranged in the casing, the switch is arranged on the casing and the switch is connected with the motor through conducting wires. The utility model is characterized in that the utility model also comprises a main shaft seat and a control assembly, the main shaft is arranged on the main shaft seat, and grinding heads are arranged on the main shaft; the main shaft seat is provided with a snap ring, the snap ring has a positioning concave pit, and the casing is provided with a concave ring; the main shaft seat is connected with the casing through the snap ring and the concave ring and is controlled by the control assembly, the main shaft is connected with a motor shaft of the motor via the control assembly, and the control assembly is composed of a clutch spring, a clutch mechanism, a hand control mechanism and a brake mechanism. Two or three grinding heads are installed directly when the utility model is used. Both rough and finish grinding can be accomplished by the device, and time for installing the grinding heads is reduced. The utility model does not need another adjustment when machining after the utility model is adjusted, which is favorable to improve production efficiency.

Description

Hand-Held Electric Bull Mill

Technical field

The utility model relates to hand-held electric cutting tool, and specifically being has two or three or a plurality of bistrique, can directly hand the Hand-Held Electric Bull Mill of conversion bistrique.

Background technology

A lot of occasions need be used hand-held electric mill cutting element processing work surface, as processing plane or curved surface.Existing hand-held electric mill cutting element has only an electric mill head on the market, after workpiece is cut through corase grind, when needing half fine ginding, must change grinding tool in addition, behind half correct grinding, when needing the fine ginding surface of the work, need change grinding tool again; After a workpiece machines, need be replaced with original first grinding tool when processing another part again, it is consuming time to change grinding tool, and grinding tool is installed is debugged more consuming time; Or after a collection of workpiece corase grind, change grinding tool half correct grinding, correct grinding again, so easy roughly grind, half correct grinding and the correct grinding workpiece mixes, bump injury, cause the workpiece qualification rate to reduce.

The utility model content

The utility model purpose is to have only a bistrique to cause to add man-hour and will change grinding tool in order to overcome existing hand-held electric mill, and is consuming time many, influences the defective of crudy, and a kind of Hand-Held Electric Bull Mill is provided.

The utility model purpose realizes like this: it is made up of casing, motor, switch, main shaft, motor is arranged in the casing, switch is contained on the casing, switch is connected by lead with motor, it is characterized in that spindle drum, Control Component in addition, main shaft is on spindle drum, bistrique is installed on the main shaft, snap ring is arranged on the spindle drum, snap ring has the pit of location, and scrobicular ring is arranged on the casing, and spindle drum is connected with scrobicular ring by snap ring with casing, and by Control Component control, main shaft is connected with the motor shaft of motor through Control Component.Put two main shafts on the described spindle drum; Put three main shafts on the described spindle drum; Put four main shafts on the described spindle drum; Described Control Component is made of clutch spring, clutch component, manual member, braking element, the clutch spring is contained on the motor shaft of motor, clutch component is arranged on the motor shaft, clutch component also places main shaft one end, manual member is arranged on casing, the action of manual member control clutch component, manual member control spindle drum and casing in conjunction with or separate, manual member is connected with braking element, braking element control clutch component.Described clutch component is to be made of pawl formula seat, pawl formula head, pawl formula seat is at the motor shaft end of motor, and presses the clutch spring, and pawl formula head is fixed on main shaft one end on the spindle drum, pawl formula head and pawl formula seat can mesh under the clutch spring action, and a pawl formula quantity is identical with main shaft quantity.On the described pawl formula seat brake hole is arranged; Described brake hole has two.Described manual member is made of clutch button, shift fork, alignment pin, and the clutch button is contained in the casing, and the lower end of clutch button is to control shift fork, and an end of shift fork and clutch spring is close to, and can make clutch spring axial stretching during the shift fork action.The side of clutch button has alignment pin, and alignment pin can place on the pit, and the pit quantity on the snap ring is identical with main shaft quantity.Described braking element is contained on the clutch button, is made of locking key, spring, banking pin, and banking pin is arranged in the locking key, and spring is on banking pin, and an end of banking pin can embed in the brake hole, and locking key is in clutch button axis hole.Banking pin can make clutch component not rotate after embedding brake hole.

The utlity model has at spindle drum has two main shafts, three main shafts or a plurality of main shaft, and two or three bistriques directly are installed in the use, uses this device and can finish thick fine ginding, reduced the installation bistrique time, and after once adjusting, work in-process needn't be adjusted, and helps enhancing productivity.

The accompanying drawing title

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is an A portion structure for amplifying schematic diagram.

The perspective view of head when Fig. 3 is three bistriques.

The symbol of figure and explanation thereof: the 1st, casing, the 2nd, switch, the 3rd, motor, the 4th, motor shaft, the 5th, spindle drum, the 6th, clutch spring, the 7th, clutch component, the 8th, manual member, the 9th, braking element, the 11st, scrobicular ring, the 51st, main shaft, the 52nd, snap ring, the 53rd, pit, the 71st, pawl formula seat, the 72nd, pawl formula head, the 81st, clutch knob, the 82nd, alignment pin, the 83rd, shift fork, the 84th, axis hole, the 91st, locking key, the 92nd, spring, the 93rd, banking pin, the 711st, brake hole.

The specific embodiment

Set forth an embodiment of the present utility model below in conjunction with accompanying drawing.It is made up of casing 1, switch 2, motor 3, spindle drum 5, clutch spring 6, clutch component 7, manual member 8, braking element 9.Switch 2 on the casing 1 be contained in casing 1 built-in motor 3 and be connected by lead, on the motor shaft 4 on the motor 3 clutch spring 6 is arranged, the other end of clutch spring 6 is clutch components 7, and manual member 8 is arranged on casing 1, and being positioned at casing 1 in manual member 8 has braking element 9.Clutch component 7 is to be made of pawl formula seat 71, pawl formula 72, pawl formula seat 71 is on motor shaft 4, pawl formula seat 71 has two brake holes 711, its end is close to clutch spring 6, pawl formula 72 is on spindle drum 5, and pawl formula 72 is fixedlyed connected with the main shaft 51 on the spindle drum 5, and spindle drum 5 dewclaw formula seats 71 are under the effect of clutch spring 6, during with 72 engagements of pawl formula, can be with motor shaft 4 rotations; Manual member 8 is to be made of clutch button 81, alignment pin 82, shift fork 83.Clutch button 81 is contained on the casing 1, there is shift fork 83 clutch button 81 lower ends, shift fork 83 is connected with pawl formula seat 71, during shift fork 83 actions pawl formula seat 71 is moved axially, the side of clutch button 81 has alignment pin 82, alignment pin 82 can be positioned on the pit 53 of snap ring 52 of spindle drum 5, and snap ring 52 is positioned at the side scrobicular ring 11 of casing 1, and the number of pit 53 is identical with main shaft 51 quantity.Braking element 9 is made of locking key 91, spring 92, banking pin 93, locking key 91 is at the axis hole 84 of clutch button 81, banking pin 93 is arranged in the locking key 91, and spring 92 is on banking pin 93, and clutch button 81 can make an end of banking pin 93 embed in the brake hole 711.

Set forth below and use the utility model that three main shafts 51 are arranged.Load onto bistrique respectively at three main shafts 51, can finish corase grind, half correct grinding, correct grinding.Connect power supply and press switch 2, motor 3 rotations make pawl formula 72 rotation of pawl formula seat 71 and its engagement through motor shaft 4, and the main shaft 51 on the pawl formula 72 also rotates, and bistrique can be processed surface of the work.After machining, need to add man-hour with another bistrique, press the locking key 91 on the lower shaft hole 84, spring 92 is compressed, and banking pin 93 enters brake hole 711, and the motor shaft 4 of pawl formula seat 71 and connection thereof and pawl formula 72 stopped operating; Push away then and close button 81, by shift fork 83 and banking pin 93 pawl type seats 71, clutch spring 6 is compressed, and pawl formula seat 71 and pawl formula 72 separated, and alignment pin 82 withdraws from from pit 53 simultaneously, and snap ring 52 can rotate mutually with scrobicular ring 11; As long as hand-held spindle drum 5 turns to another main shaft 51 and motor shaft 4 at same straight line; Take-off the brake button 91, spring 92 withdraws from banking pin 93 from brake hole 711, and clutch spring 6 is pushed

pawl formula seat

71 and 72 engagement of pawl formula to, and alignment pin 82 enters in another pit 53 simultaneously, and spindle drum 5 can not rotate mutually with casing 1.Press switch 2 once more, workpiece is carried out the processing of subsequent processing, after this operation is finished, need workpiece to be processed, only need repeat above-mentioned action and just can finish by the bistrique of the 3rd main shaft 51 by the bistrique on another main shaft 51.When main shaft 51 was installed or changed bistrique, as long as press locking key 91, spring 92 was compressed, and banking pin 93 enters brake hole 711, made pawl formula seat 71 and connect pawl formula 72 to rotate, and just can finish and replace or the installation bistrique.

Claims

1, a kind of by casing (1), motor (3), switch (2), the Hand-Held Electric Bull Mill that main shaft (51) is formed, motor (3) is arranged in the casing (1), switch (2) is contained on the casing (1), switch (2) is connected by lead with motor (3), it is characterized in that spindle drum (5) in addition, Control Component, main shaft (51) is on spindle drum (5), main shaft (51) is gone up bistrique is installed, snap ring (52) is arranged on the spindle drum (5), snap ring (52) has the pit (53) of location, scrobicular ring (11) is arranged on the casing (1), spindle drum (5) is connected with scrobicular ring (11) by snap ring (52) with casing (1), and by Control Component control, main shaft (51) is connected with the motor shaft (4) of motor (3) through Control Component.

2, Hand-Held Electric Bull Mill according to claim 1, it is characterized in that described Control Component is by clutch spring (6), clutch component (7), manual member (8), braking element (9) constitutes, clutch spring (6) is contained on the motor shaft (4) of motor (3), clutch component (7) is arranged on the motor shaft (4), clutch component (7) also places main shaft (51) one ends, manual member (8) is arranged on casing (1), manual member (8) control clutch component (7) action, manual member (8) control spindle drum (5) is with casing (1) combination or separate, manual member (8) is connected with braking element (9), braking element (9) control clutch component (7).

3, Hand-Held Electric Bull Mill according to claim 2, it is characterized in that described clutch component (7) is to be made of pawl formula seat (71), pawl formula head (72), pawl formula seat (71) is at motor shaft (4) axle head of motor (3), and press clutch spring (6), pawl formula head (72) is fixed on main shaft (51) one ends on the spindle drum (5), pawl formula head (72) and pawl formula seat (71) can mesh under clutch spring (6) effect, and pawl formula head (72) quantity is identical with main shaft (51) quantity; Brake hole (711) is arranged on the described pawl formula seat (71).

4, Hand-Held Electric Bull Mill according to claim 3 is characterized in that described brake hole (711) has two.

5, Hand-Held Electric Bull Mill according to claim 2, it is characterized in that described manual member (8) is by clutch button (81), shift fork (83), alignment pin (82) constitutes, clutch button (81) is contained in the casing (1), the lower end of clutch button (81) is a control shift fork (83), shift fork (83) is close to an end of clutch spring (6), can make clutch spring (6) axial stretching during shift fork (83) action, the side of clutch button (81) has alignment pin (82), alignment pin (82) can place on the pit (53), and pit (53) quantity on the snap ring (52) is identical with main shaft (51) quantity.

6, Hand-Held Electric Bull Mill according to claim 2, it is characterized in that described braking element (9) is contained on the clutch button (81), constitute by locking key (91), spring (92), banking pin (93), banking pin (93) is arranged in the locking key (91), spring (92) is on banking pin (93), one end of banking pin (93) can embed in the brake hole (711), and locking key (91) is in the axis hole (84) of clutch button (81).

7,, it is characterized in that upward storing two main shafts (51) of described spindle drum (5) according to claim 1 or 2 or 3 or 4 or 5 or 6 described Hand-Held Electric Bull Mills.

8,, it is characterized in that upward storing three main shafts (51) of described spindle drum (5) according to claim 1 or 2 or 3 or 4 or 5 or 6 described Hand-Held Electric Bull Mills.

9,, it is characterized in that upward storing four main shafts (51) of described spindle drum (5) according to claim 1 or 2 or 3 or 4 or 5 or 6 described Hand-Held Electric Bull Mills.