CN101670306A

CN101670306A - Branch crushing machine

Info

Publication number: CN101670306A
Application number: CN 200910182563
Authority: CN
Inventors: 孔钊; 桑树华; 刘金波; 朱艳玲
Original assignee: Suzhou Cleva Electric Appliance Co Ltd
Current assignee: Suzhou Cleva Electric Appliance Co Ltd
Priority date: 2009-09-16
Filing date: 2009-09-16
Publication date: 2010-03-17
Also published as: DE202010012577U1

Abstract

A branch crushing machine comprises a motor component, a hobbing-cutter component driven by the motor component and a transmission component connected between the motor component and the hobbing-cutter component. The motor component comprises a series excited machine and a motor output axis; the hobbing-cutter component comprises a cutter axis and a hobbing-cutter mounted on the cutter axis; the transmission component comprises a belt wheel transmission part and a reduction gearbox matched and connected with the belt wheel transmission part; the belt wheel transmission part is matched and connected with the motor output axis; the reduction gearbox is connected to the hobbing-cutter component; and the axial line of the motor output axis is approximately parallel to that of the cutter axis,thus reducing the length dimension of the motor in axial line direction, compacting the structure and reducing package size.

Description

Chipper

Affiliated technical field

The present invention relates to a kind of chipper.

Background technology

In garden instrument, chipper is used to shred leaf and little branch etc. usually, and it generally rotates at a high speed by the Induction Motor Drive cutting tool and carries out cutting work.In addition, reduction box directly is installed between the output shaft of induction machine and cutting tool, so, the output shaft of electrical axis and cutting tool is located along the same line substantially, make that the length of entire machine on the direction of electrical axis is longer, structure is not too compact, has increased its Package size greatly.

After this, a kind of chipper that is provided with series excited machine has appearred on the market, replace induction machine by series excited machine, because series excited machine has lower manufacturing cost, but, because the rotating speed of series excited machine is higher, chipper need dispose good noise reduction and cooling body just can meet the demands, and the chipper that has series excited machine that occurs in the market, it adopts permanent merit circuit board to control rotating speed of motor, its cost is higher, and the mechanism that does not possess good cooling comes the motor in the cooling work, and is totally unfavorable to the use of motor like this.

Summary of the invention

In order to overcome the deficiency of existing chipper, one of technical problem solved by the invention provides a kind of chipper of compact conformation.

The present invention solves this technical problem the technical scheme that is adopted: a kind of chipper, comprise electric machine assembly, by hobboing cutter assembly that electric machine assembly drove and be connected described electric machine assembly and the hobboing cutter assembly between transmission component, described electric machine assembly comprises series excited machine and motor output shaft, described hobboing cutter assembly comprises cutter shaft and the hobboing cutter that is installed on the cutter shaft, it is characterized in that: described transmission component comprises belt wheel drive disk assembly and the reduction box matched with the belt wheel drive disk assembly, wherein said belt wheel drive disk assembly and described motor output shaft are matched, described reduction box is connected to described hobboing cutter assembly, and the axis almost parallel of the axis of described motor output shaft and described cutter shaft.

The present invention solves this technical problem the beneficial effect that is brought, by the axis of the motor output shaft of chipper is arranged to roughly parallel with the axis of cutter shaft, dwindled the length dimension on the axis direction of motor, made and reduced Package size by compact conformation.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1 is the three-dimensional installation diagram corresponding to the chipper of most preferred embodiment of the present invention.

Fig. 2 is the part three-dimensional exploded view of the chipper of Fig. 1.

Fig. 3 is the three-dimensional installation diagram of chain-drive section of the chipper of Fig. 1, and upper casing wherein is removed.

Fig. 4 is the section plan of Fig. 3.

Fig. 5 is the three-dimensional exploded view of the interior part of the chain-drive section of Fig. 3.

Fig. 6 is the part three-dimensional exploded view of the interior electric machine assembly of the chain-drive section of Fig. 3.

Fig. 7 is the plan view of the wind scooper of Fig. 6 electric machine assembly.

Fig. 8 is the plan view of another angle of Fig. 7.

Fig. 9 is the stereogram of the back semi spiral case of Fig. 7 wind scooper.

Figure 10 is the stereogram of Fig. 7 wind scooper, and back semi spiral case wherein is removed.

Figure 11 is the three-dimensional exploded view corresponding to wind scooper of the present invention, connector and lower casing.

The specific embodiment

With reference to Fig. 1, be depicted as gardens chipper corresponding to most preferred embodiment of the present invention, it mainly comprises the frame 1 that has roller, this frame 1 has a platen 6, is provided with chain-drive section 3 above platen 6, and thereunder is provided with hopper 5.

With further reference to Fig. 2 and Fig. 3, chain-drive section 3 comprises upper and

lower casing

30,32, is fixedly connected by screw 31 therebetween.One-body molded at the top of upper casing 30 have a panel 34, is provided with charging aperture 36 and is positioned at the switching device 38 on charging aperture 34 next doors on panel 34.In addition, chain-drive section 3 also is provided with an end cap 35, and this end cap 35 fixes with upper and

lower casing

30,32 mutually with existing mode.Simultaneously, this end cap 35 also is provided with and supports keeper 37.

In the inside of upper and

lower casing

30,32, the hobboing cutter assembly 50 that electric machine assembly 10 mainly is installed, is driven by electric machine assembly 10 and be installed in described electric machine assembly 10 and described hobboing cutter assembly 50 between transmission component 60.

With further reference to Fig. 4 to Fig. 6, described electric machine assembly 10 is positioned at upper casing 30 substantially, and mainly comprises series excited machine 12, motor output shaft 14 and be set in wind scooper 13 on the described series excited machine 12.

The leading section of described motor output shaft 14 is provided with small pulley 62.One fan blade 11 is fixedly mounted on the rearward end of output shaft 14, and between fan blade 11 and series excited machine 12 pad 28 is set also.

With reference to Fig. 7 to Figure 10, described wind scooper 13 is provided with main part 17 and is positioned at the volute section 15 of an end of main part 17.Described fan blade 11 is positioned at described volute section 15.Semi spiral case 19 and the back semi spiral case 21 that is fixedly attached to described preceding semi spiral case 19 before described volute section 15 comprises, described preceding semi spiral case 19 and described main part 17 are one-body molded.On the side face of preceding semi spiral case 19 and back semi spiral case 21, a plurality of screw posts 23 are set respectively, are threaded and forward and backward semi

spiral case

19,21 is fixed together with screw post 23 accordingly by a plurality of screws 25 then.Chipper formed air outlet 33 on lower casing 30 is led in the exhaust passage 24 of this volute section 15.

With reference to Fig. 3 and Figure 11, a connection piece 22 is connected between the air outlet 33 of described exhaust passage 24 and described chipper.This connector 22 is a tubulose, on the exhaust passage 24 that its two ends are set in volute section 15 respectively closely and the air outlet 33 of chipper.

Like this, when series excited machine startup work, the fan blade 11 that is positioned at volute section 15 can be driven carries out the high speed rotation, because the setting of wind scooper 13, make air-flow flow into from an end of the close small pulley 62 of series excited machine 12, and pass whole series excited machine 12 and arrive its other end and enter in the volute section 15, through flowing out from the exhaust passage 24 of volute section 15 after the circulation of spiral case and deriving from the air outlet 33 of chipper by connector 22, thereby, strengthened cooling effect, reduced the noise that motor 12 rotations are produced simultaneously series excited machine 12.

Described electric machine assembly 10 also comprises fixed support 18, in order to electric machine assembly 10 is fixedly installed in the chain-drive section 3.This fixed support 18 comprises base portion 40 and from the upwardly extending location division 42 of the surperficial one of described base portion 40.Base portion 40 roughly has the column of hollow, and down is provided with accessory 44 on periphery at it and is fixedly connected with the bottom surface with lower casing 32.Location division 42 has manhole 46 accommodating the leading section of series excited machine 12, and the small pulley on the motor output shaft 14 62 protrudes in outside the location division 42.In addition, location division 42 is fixedly connected by a plurality of screws 25 with series excited machine 12.

Described transmission component 60 comprises belt wheel drive disk assembly 61 and the reduction box 70 matched with the belt wheel driving member.Described belt wheel driving member 61 comprises the small pulley 62 that is arranged on the described motor output shaft, at the big belt wheel 64 below the small pulley, be set in belt 66 between small pulley and the big belt wheel and the belt shaft 68 that passes the base portion 40 of fixed support 18.Wherein, big belt wheel 64 rotatable being set on the belt shaft 68 are supported by bearing 63 therebetween and are located.Reduction box 70 is known gear reduction box, and it is connected between the output and hobboing cutter assembly 50 of belt shaft 68, and this connected mode is known, so no longer be described in detail.

Above-mentioned hobboing cutter assembly 50 comprises cutter shaft 52 and is set in hobboing cutter 56 on the cutter shaft 52 regularly.One end of cutter shaft 52 is mounted to reduction box 70 in known mode, and the other end is matched with the support keeper of known mode and above-mentioned end cap 35, repeats no more here.As seen, belt shaft 68 roughly is located along the same line with cutter shaft 52, and simultaneously, the axis 16 of motor output shaft 14 and axis 54 almost parallels of cutter shaft 52 or belt shaft 68.In this way, electric machine assembly 10, hobboing cutter assembly 50 and transmission component 60 are installed in the chain-drive section 3 compactly, and that the axis of having avoided the axis of motor output shaft of the prior art and cutter shaft roughly is provided with the size of being brought in line is tediously long, thereby cause the Package size of complete machine bigger, occupy more space, and, in this way, because of the length of chain-drive section 3 is dwindled relatively, cause the position of the discharging opening 7 on the platen 6 of frame 1 can be relative to moving to the center of platen 6, also promptly move towards the center of hopper 5, so, hopper 5 easier being filled.

Claims

1. chipper, comprise electric machine assembly (10), the hobboing cutter assembly (50) that is driven by electric machine assembly (10) and be connected described electric machine assembly (10) and hobboing cutter assembly (50) between transmission component (60), described electric machine assembly (10) comprises series excited machine (12) and motor output shaft (14), described hobboing cutter assembly (50) comprises cutter shaft (52) and is installed in hobboing cutter (54) on the cutter shaft (52), it is characterized in that: described transmission component (60) comprises belt wheel drive disk assembly (61) and the reduction box (70) matched with belt wheel drive disk assembly (61), wherein said belt wheel drive disk assembly (61) is matched with described motor output shaft (14), described reduction box (70) is connected to described hobboing cutter assembly (50), and axis (54) almost parallel of the axis (16) of described motor output shaft (14) and described cutter shaft (52).

2. chipper according to claim 1 is characterized in that: described electric machine assembly (10) roughly is positioned at the top of described hobboing cutter assembly (40).

3. chipper according to claim 1 and 2 is characterized in that: described chipper also comprises chain-drive section (3), and described electric machine assembly and described hobboing cutter assembly are installed in the described chain-drive section (3).

4. chipper according to claim 3 is characterized in that: described electric machine assembly also comprises the fixed support (18) on the bottom surface that is fixedly mounted on described chain-drive section, and described series excited machine (12) is fixedly mounted on the described fixed support.

5. chipper according to claim 4, it is characterized in that: described fixed support (18) comprise on the bottom surface that is fixedly mounted on described chain-drive section base portion (40) and from the upwardly extending location division of described base portion (42), described location division (42) and described electric machine assembly are fixedly connected.

6. chipper according to claim 1 is characterized in that: described belt wheel drive disk assembly (61) comprises the small pulley (62) that is arranged on the described motor output shaft, is positioned at the big belt wheel (64) of small pulley below, is set in belt (66) between small pulley and the big belt wheel and the belt shaft (68) that is connected with described reduction box (70).

7. chipper according to claim 6 is characterized in that: described belt shaft (68) roughly is located along the same line with described cutter shaft (52).