CN201357363Y

CN201357363Y - Multipurpose sanding machine

Info

Publication number: CN201357363Y
Application number: CNU2009203011784U
Authority: CN
Inventors: 陈坚跃
Original assignee: HELI ELECTRICAL APPLIANCES CO Ltd CHANGZHOU CITY
Current assignee: HELI ELECTRICAL APPLIANCES CO Ltd CHANGZHOU CITY
Priority date: 2009-03-10
Filing date: 2009-03-10
Publication date: 2009-12-09
Anticipated expiration: 2019-03-10

Abstract

The utility model relates to a multipurpose sanding machine which is provided with a left shell, a right shell, a main shaft, a motor and a working piece, wherein the front end and the rear end of a motor shaft are respectively provided with a front bearing and a rear bearing which are supported by the left and right shells; a driving shaft is vertical to the motor shaft; one end of the motor shaft, which extends out of the front bearing is provided with an eccentric block; an output shaft of the eccentric block is provided with an circular-arc bearing; the main shaft is supported by an upper bearing and a lower bearing that are supported by the left and right shells, the main shaft is fixed with a shifting block, and a shifting fork arranged at the rear end of the shifting block is blocked outside the circular-arc bearing in a loosing way; a shaft head is fixed at the lower part of the main shaft; and the working piece is connected on the shaft head by a molded surface. When the multipurpose sanding machine is under larger load, the load is transmitted to a rotor shaft through the shifting block, the speed of the rotor shaft is not suddenly reduced, and the power of the motor is not suddenly increased; furthermore, the multipurpose sanding machine can adopt the motor with lower power, so that the volume of the sanding machine is reduced, and the sanding machine can be conveniently and flexibly used.

Description

Use sander more

Technical field

The utility model relates to uses sander more.

Background technology

Sander is a kind of electric tool commonly used, China Patent No. is that 00266213.2 utility model discloses the dull and stereotyped sander of a kind of palm-type triangle, it comprises casing, motor stator combination, tension disc, binding post, upper bearing (metal), lower bearing, working plate bearing, armature, carbon brush combination, switch, cooling fan blade, vibrating grid, eccentric block, electric capacity, motor is a series excitation type motor, the vertical setting, from top to bottom, set gradually upper bearing (metal), armature, motor stator combination, cooling fan blade, lower bearing, eccentric block, working plate is connected by vibrating grid with casing.The air-inlet cavity of above-mentioned sander is nearer from motor, the dust that produces in the sanding process enters motor easily, so that damage motor, its eccentric block is arranged on the motor shaft front end in addition, eccentric block and working plate are fixed together, and when sander afforded bigger load, rotating speed can descend, and moment strengthens, and requires motor to have relatively large power output for this reason.

The utility model content

The purpose of this utility model is to propose a kind ofly to protect motor, be not the very high sander of using to the requirement of motor power output more.

For achieving the above object, the utility model is taked following technical scheme:

The utlity model has a left side, right shell body, main shaft, motor, work package, the rear and front end of motor shaft is respectively equipped with fore bearing and rear bearing, before, rear bearing is by a left side, the right shell body supporting, described driving shaft is vertical with motor shaft to be provided with, the end that described motor shaft stretches out fore bearing is provided with eccentric block, the output shaft of eccentric block is provided with arc bearing, described main shaft is by upper bearing (metal) and lower bearing supporting, on, lower bearing is by a left side, the right shell body supporting, be fixed with shifting block on the main shaft, the shift fork pine of shifting block rear end is stuck in the arc bearing outside, and the bottom of main shaft is fixed with spindle nose, described work package is connected on the spindle nose, and profile is connected between work package and the spindle nose.

The bottom surface of described main shaft is provided with the axial thread hole, the central authorities of described spindle nose are provided with the type hole, work package is provided with the profile axle that matches with the type hole of spindle nose, work package profile axle central authorities are provided with connecting hole, the profile axle of work package inserts in the type hole of spindle nose, and is screwed in the axial thread hole of main shaft and work package and spindle nose are fixed by the connecting hole of a bolt by work package.

Regular polygon is taked in the type hole of described spindle nose.

Take profile to fixedly connected between described main shaft and the spindle nose.

Described main shaft has external tooth, and described spindle nose has connecting hole, is processed with the internal tooth that matches with the main shaft external tooth in the connecting hole of spindle nose, and main shaft inserts in the connecting hole of spindle nose and realizes that main shaft fixedlys connected with the profile between the spindle nose.

Be with spacer pine on the main shaft and between lower bearing and spindle nose.

Described work package is the sanded board that the bottom has sand paper, or scoop, or fan-shaped saw.

The utlity model has following good effect: the utility model is provided with owing to working shaft is vertical with armature spindle, and the rotating speed of armature spindle passes to working shaft by shifting block, compares with existing sander, and its air-inlet cavity is far away from motor, helps the protection to motor; When this sander affords bigger load, load passes to armature spindle by shifting block, the speed of armature spindle can not descend suddenly, power of motor can not increase suddenly, existing relatively sander, can adopt the motor of smaller power more than the basis with the motor of sander, the volume of sander is reduced to some extent, use more convenient flexible.In addition, owing to transmission is required lower, not very high to the processing request of some part, convenient processing.Profile is connected between work package of the present utility model and the spindle nose, so the different work package of convenient transposing is accomplished a tractor serves several purposes.

Description of drawings

For the easier quilt of content of the present utility model is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the utility model is described in further detail, wherein

Fig. 1 is a configuration diagram of the present utility model;

Fig. 2 is the configuration diagram of main shaft portion;

Fig. 3 is the stereogram of main shaft portion;

Fig. 4 is one of work package sanded board diagrammatic sketch;

Fig. 5 is two scoop diagrammatic sketch of work package;

Fig. 6 is three saw diagrammatic sketch of work package.

The specific embodiment

Embodiment 1

Fig. 1 has left and right housing 1, main shaft 5, motor 11, wiring board 13, turn-knob 14, work package 15 to embodiment 1 shown in Figure 4.Motor 11 comprises fan blade 11-2, stator 11-3, rotor 11-4, carbon brush combination 11-5.The rear and front end of motor shaft 11-1 is respectively equipped with preceding 10 and rear bearing 12, and forward and backward bearing 10,12 is by left and right housing 1 supporting.Described driving shaft 5 and motor shaft 111 vertical settings, the end that described motor shaft 111 stretches out fore bearing 10 is provided with eccentric block 9, the output shaft of eccentric block 9 is provided with arc bearing 8, and described main shaft 5 is by upper bearing (metal) 6 and lower bearing 4 supportings, and upper and

lower bearing

6,4 is by left and right housing 1 supporting.Be fixed with shifting block 7 on the main shaft 5, the shift fork 7-1 pine of shifting block 7 rear ends is stuck in arc bearing 8 outsides.The bottom of main shaft 5 is fixedly connected with spindle nose 2, is with spacer 3 pine on the main shaft 5 and between lower bearing 4 and spindle nose 2.

For preventing to cause becoming flexible between main shaft 5 and the spindle nose 2 because of vibration, between main shaft 5 and the spindle nose 2 is that profile is fixedlyed connected, take to have external tooth at described main shaft 5, described spindle nose 2 has connecting hole, be processed with the internal tooth that matches with the main shaft external tooth in the connecting hole of main shaft 5, main shaft 5 inserts in the connecting hole of spindle noses 2 and realizes that main shaft 5 fixedlys connected with the profile between the spindle nose 2.

Described work package 10 profiles are connected on the spindle nose 2, be provided with axial thread hole 5-1 in the bottom surface of described main shaft 5, the central authorities of described spindle nose 2 are provided with regular polygon type hole 2-1, work package 15 is provided with the profile axle 15-1 that matches with the type hole 2-1 of spindle nose 2, work package 15 profile axle 15-1 central authorities are provided with connecting hole 15-2, the profile axle 15-1 of work package 15 inserts among the type hole 2-1 of spindle nose 2, and is fixed by the axial thread hole 5-1 of the connecting hole 15-2 screw-in main shaft 5 of work package 15 and with work package 15 and spindle nose 2 by a bolt.The transposing of this profile work package 15 easy to connect.

Among the embodiment 1, described work package 15 is sanded board 15A that the bottom has sand paper.Can change scoop 15B as required, or fan-shaped saw 15C.

Claims

1, a kind of sander of using more, has a left side, right shell body (1), main shaft (5), motor (11), work package (15), the rear and front end of motor shaft (11-1) is respectively equipped with fore bearing (10) and rear bearing (12), before, rear bearing (10,12) by a left side, right shell body (1) supporting, it is characterized in that: described driving shaft (5) and the vertical setting of motor shaft (11-1), the end that described motor shaft (11-1) stretches out fore bearing (10) is provided with eccentric block (9), the output shaft of eccentric block (9) is provided with arc bearing (8), described main shaft (5) is by upper bearing (metal) (6) and lower bearing (4) supporting, on, lower bearing (6,4) by a left side, right shell body (1) supporting, be fixed with shifting block (7) on the main shaft (5), shift fork (7-1) pine of shifting block (7) rear end is stuck in arc bearing (8) outside, the bottom of main shaft (5) is fixed with spindle nose (2), described work package (10) is connected on the spindle nose (2), and profile is connected between work package (10) and the spindle nose (2).

2, the sander of using according to claim 1 more, it is characterized in that: the bottom surface of described main shaft (5) is provided with axial thread hole (5-1), the central authorities of described spindle nose (2) are provided with type hole (2-1), work package (15) is provided with the profile axle (15-1) that matches with the type hole (2-1) of spindle nose (2), work package (15) profile axle (15-1) central authorities are provided with connecting hole (15-2), the profile axle (15-1) of work package (15) inserts in the type hole (2-1) of spindle nose (2), and is fixed by the axial thread hole (5-1) of connecting hole (15-2) the screw-in main shaft (5) of work package (15) and with work package (15) and spindle nose (2) by a bolt.

3, according to claim 2ly use sander, it is characterized in that: regular polygon is taked in the type hole (2-1) of described spindle nose (2) more.

4, according to claim 1 use sander more, it is characterized in that: take profile to fixedly connected between described main shaft (5) and the spindle nose (2).

5, the sander of using according to claim 4 more, it is characterized in that: described main shaft (5) has external tooth (5-1), described spindle nose (2) has connecting hole, be processed with the internal tooth that matches with main shaft external tooth (5-1) in the connecting hole of spindle nose (2), main shaft (5) inserts in the connecting hole of spindle nose (2) and realizes that main shaft (5) fixedlys connected with the profile between the spindle nose (2)

6, according to claim 1ly many use sander, it is characterized in that: pine is with spacer (3) on main shaft (5) and between lower bearing (4) and spindle nose (2).

7, according to claim 1ly many use sander, it is characterized in that: described work package (15) has the sanded board (15A) of sand paper bottom being, or scoop (15B), or fan-shaped saw (15C).