CN102862259A - Non-metal material motor gearbox - Google Patents

Abstract

The invention provides a non-metal material motor gearbox, comprising a gearbox body. The gearbox body is subjected to injection molding after a plastic raw material is mixed with a glass fiber; the plastic raw material is nylon or polyethylene terephthalate dialdehyde; and a mass ratio of the plastic raw material to the glass fiber is 7 to 3. The gearbox is made of plastic instead of aluminum, so that the manufacturing cost is greatly reduced. Furthermore, the plastic piece is easy to machine and produce in a large batch; and the production efficiency is improved.

Description

A kind of nonmetallic materials motor gear box

Technical field

The present invention relates to the motor gear box makes and plastic injection-moulded field.

Background technology

At present, on the household electronic products such as automobile, body-building apparatus, small-power, permanent magnet DC motor are widely used.This kind motor market prospects are wide, demand is huge, this motor once adopted the gearcase of metallic article, generally was aluminum, by the gearcase of metal material manufacturing be from cost or from economizing on resources at present, all remaining to be changed this large social background of energy-saving and emission-reduction.

Summary of the invention

It is lower to the purpose of this invention is to provide a kind of cost, is easy to the motor gear box of processing and producing in enormous quantities.

For reaching the above object, adopt following technical scheme:

A kind of nonmetallic materials motor gear box comprises the gearcase body, injection mo(u)lding after described gearcase body is mixed with glass by plastic raw materials.

Described plastic raw materials is nylon or poly terephthalic acid butanedial ester.

Proportioning by quality between described plastic raw materials and the glass is 7:3.

Select the injection machine injection molding of MT120 model; Concrete Shooting Technique is:

1). the temperature that heats in the injection machine hopper is 80 ℃ of baking material temperature degree, 300 ℃ in a district, 260 ℃ in two districts, 240 ℃ in three districts, 235 ℃ in four districts;

2). injection pressure: one section 150bar, 4 seconds time; Two sections 165bar, 3 seconds time; Three sections 90bar, 3 seconds time;

3). keep pressure: one section 145bar, 4 seconds time; Two sections 160bar, 2 seconds time;

4). 17 seconds cool times.

The present invention adopts technique scheme, compared with prior art has following advantage:

1. save a large amount of metal material resources; ,

2. reform production technology comprehensively, effectively reduced the production technology difficulty, increased substantially the production efficiency of knowing clearly;

3. greatly reduce the labour intensity in the production;

4. reduce even eliminated pollution on the environment in the production process;

5. effectively reduce the production material cost, remarkable in economical benefits;

The specific embodiment

The below is elaborated to technical solution of the present invention, but protection scope of the present invention is not limited to described embodiment.

Embodiment 1, a kind of nonmetallic materials motor gear box evenly mix plastic raw materials with glass, and plastic raw materials is nylon or poly terephthalic acid butanedial ester, and wherein the proportioning by quality is 7:3 between nylon or poly terephthalic acid butanedial ester and the glass; Then plastic raw materials and glass after will evenly mixing are put into the injection machine injection mo(u)lding.

Select the injection machine injection molding of MT120 model, and adopt following Shooting Technique:

1). the temperature that heats in the injection machine hopper is 80 ℃ of baking material temperature degree, 300 ℃ in a district, 260 ℃ in two districts, 240 ℃ in three districts, 235 ℃ in four districts;

2). injection pressure: one section 150bar, 4 seconds time; Two sections 165bar, 3 seconds time; Three sections 90bar, 3 seconds time;

3). keep pressure: one section 145bar, 4 seconds time; Two sections 160bar, 2 seconds time;

4). 17 seconds cool times.

Claims (4)

1. a nonmetallic materials motor gear box is characterized in that, injection mo(u)lding after described gearcase body is mixed with glass by plastic raw materials.

2. a kind of nonmetallic materials motor gear box according to claim 1 is characterized in that, described plastic raw materials is nylon or poly terephthalic acid butanedial ester.

3. a kind of nonmetallic materials motor gear box according to claim 1 is characterized in that the proportioning by quality between described plastic raw materials and the glass is 7:3.

4. make a kind of nonmetallic materials motor gear box claimed in claim 1 for one kind, it is characterized in that selecting following Shooting Technique:

1). the temperature that heats in the injection machine hopper is 80 ℃ of baking material temperature degree, 300 ℃ in a district, 260 ℃ in two districts, 240 ℃ in three districts, 235 ℃ in four districts;

2). injection pressure: one section 150bar, 4 seconds time; Two sections 165bar, 3 seconds time; Three sections 90bar, 3 seconds time;

3). keep pressure: one section 145bar, 4 seconds time; Two sections 160bar, 2 seconds time;

4). 17 seconds cool times.