CN1115730A - Wooden car steering wheel manufacturing method - Google Patents

Abstract

A wooden car steering wheel manufacturing method, twine the pressure apparatus along the bent wood with the bamboo timber of ruler shape, make it twine and pressurize and shape half steering wheel frame automatically, two half steering wheel frames are folded up and down and can form a steering wheel frame; the top surface of the lower half steering wheel frame is provided with a plurality of caulking grooves which are provided with clamping groove parts; a central bracket with embedded feet, the tail ends of the embedded feet are provided with clamping hook parts, and the central bracket is combined with the lower half steering wheel frame; then, an upper half steering wheel frame is pressed and overlapped on the top surface of the lower half steering wheel frame to obtain a wooden steering wheel semi-finished product.

Description

Method of manufacturing wooden automobile steering wheel

The invention relates to a kind of method of manufacturing wooden automobile steering wheel, particularly about a kind of bearing circle manufacture method that can bamboo wood replaces timber.

The machining manufacture of general wooden automobile steering wheel please be read shown in Fig. 1,2, and it mainly is the steering wheel frame 10 that once cuts a reservation shape from log, offers a plurality of shrinkage pools 100 in the inner face pre-position of this steering wheel frame 10 again; And then prepare a central bracket 11, this central bracket 11 have with above-mentioned shrinkage pool 100 numbers such as grade and radially distribute be embedded pin 110, this each be embedded pin 110 and to slightly bending of the same side, it is domed to make this central bracket 11 form central authorities, whole central bracket 11 is each earlier and is embedded pin 110 corresponding shrinkage pools 100, last again with of the two sides mold pressing of special pressurization apparatus to this central bracket 11, make this domed central bracket 11 gradually smooth, and make simultaneously this each be embedded slightly outwards projection and wearing in the shrinkage pool 100 that is embedded in this steering wheel frame 10 of pin 110, make this steering wheel frame 10 combine, and obtain a wooden bearing circle half-blank with central bracket 11.

The wooden automobile steering wheel that produces with above-mentioned art methods, because this central bracket 11 combines with steering wheel frame 10, be to utilize to impose the two sides mold pressing to being preset to domed central bracket 11, and make this central bracket 11 be embedded pin 110 respectively projection penetrate the shrinkage pool 100 of steering wheel frame 10 inner faces, so wear and get in the shrinkage pool 100 for making things convenient for each to be embedded pin 110, the domed radian of this central bracket 11 can not be too big, can make this each be embedded pin 110 to wear near concordant angle, otherwise will be difficult to push combination, powerful extruding penetrates and then has bonding gap easily and produce defective products, thereby it is except combination, manufacturing is than outside the difficulty, and this central bracket 11 to be embedded the length that in fact pin 110 penetrate in the steering wheel frame shrinkage pool 100 also extremely limited, and there is not the anticreep left-hand thread fully, therefore in unexpected traffic accident incident, this bearing circle is made this central bracket 11 distortion because of inflicting heavy losses on most probably, the pin 110 that is embedded of central bracket 11 is taken out from steering wheel frame shrinkage pool 100 easily and is taken off, and then cause and stab the driver in mistiming collide to take place most probably, directly danger is assisted driver's life, so the safety of its use is troubling really; Moreover; make a wooden bearing circle with above-mentioned art methods; it must utilize the trees log material; and be familiar with by people day by day on the occasion of the meaning of global ecological protection at present; the mountain forest child care is not is not borrowed speech certainly for water and soil conservation, importance windproof, that take precautions against natural calamities; the industry of any mountain forest trees that must have drawn from turns to one after another draws materials with when responding international environmental protection activity, and the wooden bearing circle manufacture method of above-mentioned prior art should stop really, seeks its method.

Purpose of the present invention i.e. many shortcomings of wooden bearing circle manufacture method in overcoming prior art; turning to draws materials does not still classify the bamboo wood of control as; and provide a kind of essential automobile steering disc manufacturing method of innovation; it can make the central bracket of bearing circle and steering wheel frame anchoring strength strengthen; improve safety in utilization, and manufacturing is easier to, also can respond ecological protection consciousness simultaneously.

According to a kind of method of manufacturing wooden automobile steering wheel provided by the invention, it is characterized in that this method comprises the following steps and technology contents:

A. with the timber of chi strip along a bent wooden spooling pressurization apparatus, make half steering wheel frame of its automatic spooling extrusion forming one reservation shape, size, and the upper and lower superimposed steering wheel frame that just can constitute of per two and half steering wheel frames;

B. above-mentionedly offer a plurality of caulking grooves in order to second steering wheel frame that constitutes steering wheel frame in the pre-position of end face, this caulking groove also has to limit and is embedded the blocking slot part that thing moves along bearing circle center radiation direction;

C. prepare a central bracket, this central bracket have count with above-mentioned caulking groove etc. and radially distribute be embedded pin, this each be embedded the terminal of pin and have shape and the cooresponding blocking of above-mentioned this caulking groove blocking slot part hook part, whole central bracket just is each is embedded the corresponding caulking groove setting of pin and combines, again in this second steering wheel frame end face coating adhesive with this second steering wheel frame;

D. suppress superimposedly in order to first steering wheel frame that constitutes steering wheel frame with above-mentioned, and obtain a wooden bearing circle half-blank in above-mentioned second steering wheel frame end face that is provided with central bracket.

Now be described with reference to the accompanying drawings the present invention and specific embodiment thereof.

The wooden bearing circle half-blank scheme drawing that Fig. 1 makes for art methods.

Fig. 2 be art methods extruding in conjunction with the action scheme drawing.

The wooden bearing circle half-blank scheme drawing that Fig. 3 makes for the inventive method.

The wooden bearing circle perspective exploded view that Fig. 4 makes for the present invention.

The wooden bearing circle combination cross-sectional schematic that Fig. 5 makes for the present invention.

Fig. 6 is a spooling action scheme drawing of the present invention.

Prior art figure number part:

10 steering wheel frames

100 shrinkage pools

11 central bracket

110 are embedded pin

Figure number part of the present invention:

20 steering wheel frames, 200 half steering wheel frames

201 caulking grooves, 202 blocking slot parts

21 central bracket 210 are embedded pin

211 blocking hook parts, 22 spoolings pressurization apparatus

See also Fig. 3,4 and Fig. 5,6 shown in, wooden (bamboo wood) of the present invention automobile steering disc manufacturing method comprises the following steps and technology contents:

A. earlier that the multilayer board strip timber of broad is stacked along a bent wooden spooling pressurization apparatus 22 inputs, making its automatic spooling extrusion forming is predetermined thickness, and then become the annular framework of preliminary dimension according to required height thickness severing, last be connected with feet in the pre-position that the inner edge of this annular framework is evenly distributed again and form half steering wheel frame 200, and per two and half steering wheel frames, 200 upper and lower superimposed steering wheel frames 20 that just can constitute.

B. above-mentionedly offer a plurality of caulking grooves 201 in the pre-position of end face in order to second steering wheel frame 200 that constitutes steering wheel frame 20, this caulking groove 201 also has to limit and is embedded the blocking slot part 202 that thing moves along bearing circle center radiation direction.

C. prepare a central bracket 21, this central bracket 21 have with above-mentioned caulking groove 201 numbers such as grade and radially distribute be embedded pin 210, this each be embedded the terminal of pin 210 and have shape and above-mentioned caulking groove blocking slot part 202 cooresponding blocking hook parts 211, whole central bracket 21 just is each is embedded the corresponding caulking grooves 201 of pin 210 and is provided with and combines, again in these second steering wheel frame 200 end face coating adhesives with this second steering wheel frame 200.

D. with above-mentioned suppress in order to first steering wheel frame 200 that constitutes steering wheel frame superimposed in above-mentioned second steering wheel frame 200 end faces that are provided with central bracket 21, and one wooden (bamboo wood) bearing circle half-blank.

Bamboo wood vehicle steering manufacturing step and technology contents according to the invention described above, as long as it put the location with this second steering wheel frame 200, central bracket 21 and first steering wheel frame 200 superimposed holding toward the weight working machine in regular turn, can make this central bracket 21 combine closely through the working machine one-step mould with steering wheel frame 20, and this kind structure is in conjunction with preventing effectively that from there is the gap in central bracket 21 and 201 of steering wheel frame 20 caulking grooves, make more or less freely, accurate, processing procedure comparatively smoothness carries out, and the generation rate of defective products is lower; In addition since the blocking hook part 211 that each of this central bracket 21 is embedded pin 210 ends just can caulking groove blocking slot part 202 that should second steering wheel frame 200 be installed, therefore the effective blocking hook part 211 of this central bracket 21 of blocking of the blocking slot part 202 of this second steering wheel frame caulking groove 201, prevent that this central bracket 21 is embedded pin 210 and takes out along steering wheel frame 20 center radiation directions and take off, so in unexpected traffic accident incident, even this bearing circle is subjected to big strength bump again and causes this central bracket 21 distortion, the pin 210 of being embedded of this central bracket 21 is determined not have and is taken out the misgivings of taking off from steering wheel frame 20, reduce the factor of danger side of body driver life, so the safety of its use is higher; Moreover method of the present invention can effectively utilize not controlled bamboo wood, responded the ecological protection idea, overcomes perfect many shortcomings to the greatest extent of art methods.

Comprehensive above explanation; method of manufacturing wooden automobile steering wheel of the present invention, it can make the central bracket of bearing circle and steering wheel frame anchoring strength strengthen, and has the bearing circle of raising safety in utilization; and manufacturing is easier to, also can respond ecological protection consciousness simultaneously, has value on the industry.

Claims (3)

1. A method for manufacturing a wooden automobile steering wheel, characterized in that the method comprises the following steps and technical content: a. Wrap the wood in the shape of a ruler along a curved piece of wood and press it to form a semi-steering wheel frame with a predetermined shape and size, and the upper and lower parts of each two half-steering wheel frames can be stacked. forming a steering wheel frame; b. The above-mentioned lower half of the steering wheel frame used to form the steering wheel frame has a plurality of slots at predetermined positions on the top surface, and the slots also have locking grooves that can limit the movement of the embedded objects along the radial direction of the center of the steering wheel; c. Prepare a central support, which has the same number of embedding feet as the above-mentioned embedding grooves and radially distributed, and the end of each embedding foot has a clamping groove corresponding to the shape of the above-mentioned embedding groove. The hook part is to set the entire central bracket so that each embedded foot corresponds to a slot and combine it with the lower half steering wheel frame, and then apply adhesive on the top surface of the lower half steering wheel frame; d. The above-mentioned upper half steering wheel frame used to form the steering wheel frame is superimposed on the top surface of the lower half steering wheel frame provided with the central bracket to obtain a semi-finished wooden steering wheel. 2. The manufacturing method of wooden automobile steering wheel as claimed in claim 1, characterized in that the strip-shaped wood is bamboo. 3. The manufacturing method of wooden automobile steering wheel as claimed in claim 1, characterized in that the half steering wheel frame is formed by first laminating wide multi-layer lath-shaped wood along a curved wood winding pressurized device to make it automatically Winding and pressure molding to a predetermined thickness, and then cutting into a ring frame of a predetermined size according to the required height and thickness, and finally connecting support feet at predetermined positions evenly distributed on the inner edge of the ring frame.

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