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Chipper

A technology for shredders and motor components, which is applied in the direction of electromechanical devices, casings/covers/supports, cooling/ventilation devices, etc. It can solve the problems of unfavorable use of motors, high cost, and increased packaging size to achieve enhanced cooling effects , low cost, noise reduction effect

Inactive Publication Date: 2010-04-14
SKYBEST ELECTRIC APPLIANCE SUZHOU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, a reduction box is directly installed between the induction motor and the output shaft of the cutting tool, so the axis of the motor and the output shaft of the cutting tool are generally located on the same straight line, so that the length of the entire machine in the direction of the axis of the motor is longer. Less compact structure greatly increases its package size
[0003] Since then, a shredder equipped with a series-excited motor has appeared on the market, and the induction motor is replaced by the series-excited motor, because the series-excited motor has a lower manufacturing cost, but due to the higher speed of the series-excited motor, the shredder The branch machine needs to be equipped with a good noise reduction and cooling mechanism to meet the requirements. However, the branch chippers with series-excited motors on the market currently use a constant power circuit board to control the speed of the motor. Have a good cooling mechanism to cool the working motor, which is extremely unfavorable to the use of the motor

Method used

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Embodiment Construction

[0019] refer to figure 1 , is shown as a garden chipper corresponding to the preferred embodiment of the present invention, which mainly includes a frame 1 with rollers, the frame 1 has a plate 6, and a machine head is provided above the plate 6 3, and a material box 5 is provided below it.

[0020] further reference figure 2 and image 3 , The machine head 3 includes upper and lower casings 30, 32, which are fixedly connected by screws 31 therebetween. A panel 34 is integrally formed on the top of the upper casing 30 , and a feed inlet 36 and a switch device 38 located next to the feed inlet 34 are arranged on the panel 34 . In addition, the machine head 3 is also provided with an end cover 35, and the end cover 35 is fastened with the upper and lower casings 30, 32 in a conventional manner. At the same time, the end cover 35 is also provided with a supporting positioning member 37 .

[0021] Inside the upper and lower casings 30, 32, the motor assembly 10, the hob asse...

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PUM

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Abstract

A chipper comprises a motor component and a hobbing cutter component driven by the motor component. The motor component comprises a series motor and a motor output shaft. The hobbing cutter component comprises a cutter shaft and a hobbing cutter arranged on the cutter shaft. An axis of the motor output shaft and an axis of the cutter are parallel approximately, thereby reducing length size along the axial line direction of the motor, enabling the structure to be compact and decreasing packing size. In addition, the chipper comprises a wind scooper sleeved on the series motor and vanes arranged on the motor output shaft. The wind scooper is arranged on a spiral casing portion of an air outlet leading to the chipper, the vanes are located inside the spiral casing portion, the wind scooper strengthens cooling effect of the series motor and simultaneously reduces noise generated when the series motor rotates, and further, the wind scooper is relatively low in cost.

Description

Technical field [0001] The present invention relates to a chipper. Background technique [0002] Among gardening tools, a branch breaker is usually used to chop leaves and small branches, etc., and it generally drives a cutting tool to rotate at a high speed through an induction motor to perform cutting work. In addition, a reduction box is directly installed between the induction motor and the output shaft of the cutting tool, so the axis of the motor and the output shaft of the cutting tool are generally located on the same straight line, so that the length of the entire machine in the direction of the axis of the motor is longer. The structure is not too compact, which greatly increases its packing size. [0003] Since then, a shredder equipped with a series-excited motor has appeared on the market, and the induction motor is replaced by the series-excited motor, because the series-excited motor has a lower manufacturing cost, but due to the higher speed of the series-ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C18/06B02C18/24B02C18/16H02K5/04H02K9/06
Inventor 孔钊桑树华刘金波朱艳玲
Owner SKYBEST ELECTRIC APPLIANCE SUZHOU CO LTD