CN202820403U

CN202820403U - Multilayer veneered bentwood chair

Info

Publication number: CN202820403U
Application number: CN 201220494569
Authority: CN
Inventors: 陈传根
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-09-25
Filing date: 2012-09-25
Publication date: 2013-03-27
Anticipated expiration: 2022-09-25

Abstract

The utility model relates to a multilayer veneered bentwood chair and aims to provide a bentwood chair having the characteristics of high wood utilization ratio, attractive products, high strength and low production cost. The multilayer veneered bentwood chair comprises two similar h-shaped foot blanks arranged side by side, a front baffle, a rear baffle, a seat plate and a backrest, wherein the front baffle and the rear baffle are connected with the two foot blanks, and the seat plate and the backrest are fixedly arranged on the foot blanks through hardware. The multilayer veneered bentwood chair is characterized in that each foot blank is manufactured by adhering and pressing three wood sheet sets and a wood triangular part, each wood sheet set is formed by laminating a plurality of thin wood sheet layers, and the thickness direction of each wood sheet set is vertical to the width direction of the bentwood chair. The three wood sheet sets are bent, wherein one end of the first wood sheet set and one end of the second wood sheet set are pressed and adhered to form front chair legs and a handrail, the other end of the first wood sheet set and the other end of the second wood sheet set are respectively pressed and adhered with the third wood sheet set to form the backrest and rear chair legs, and the front chair legs, the rear chair legs, the handrail and the backrest are integrally molded to form the foot blanks.

Description

A kind of multilayer gluing bend wood chair

Technical field

The utility model relates to a kind of furniture, is specifically related to a kind of multilayer gluing bend wood chair.

Background technology

Bend wood chair is a kind of take the multi-layer solid wood veneer as primary raw material, the chair of the different shaping of making by High frequency heating, generally be used for the places such as food and drink, office, its form compare is succinct, fashion, the Aesthetic that had both met the modern, again so that practicality and ornamentally merged well be received by the market.

Bend wood chair on the market can be divided into containing metal chair leg and two kinds of containing metal chair legs not; The bend wood chair of containing metal chair leg, assemble with the metallic chair leg again after its seat and backrest are compressing, the bend wood chair of containing metal chair leg is not then as shown in Figure 5: adopt hot-forming solid wood board to make pin embryo 4, and then assemble out complete chair with seat, backrest etc.The preparation method of above-mentioned pin embryo is: some solid wood thin plates are pressed the fiber direction of extension behind gluing crisscross superimposed, then form the multi-layer solid wood flat board by High frequency heating, oven dry, the shape sawing on the multi-layer solid wood flat board according to the pin embryo processes required pin embryo (similar H-shaped shape) again; The pin embryo that forms thus, its thickness direction consistent with the thickness direction of multi-layer solid wood flat board (after being mounted to chair, it is consistent that the thickness direction of pin embryo is the width of chair).Though the pin embryo that this processing method processes can form needed arbitrary shape, yet the timber of quite a few (more than 40%) is removed and can't recycles in saw process processed, has caused the wasting of resources, has also improved production cost; In addition, the method process is complicated, and production efficiency is not high yet.

The utility model content

The purpose of this utility model is the deficiency that overcomes in the above-mentioned background technology, and a kind of multilayer gluing bend wood chair is provided, and described bend wood chair should have timber utilization rate height, product is attractive in appearance and intensity is high, production cost is low characteristics.

The technical solution adopted in the utility model is:

A kind of multilayer gluing bend wood chair, comprise the pin embryo of two similar H-shapeds that are arranged side by side, the front shelves that connect two pin embryos and rear shelves, be fixed on seat and backrest on the described pin embryo by handware, it is characterized in that: described pin embryo is formed by three groups of strands and a wooden triangle adhering and pressing, each groups of strands is built up by some layers of veneer, and the thickness direction of each groups of strands is vertical with the width of bend wood chair.

Described three groups of strands are curved shape, wherein chair leg and handrail before the bonding formation of a side pressure system of an end of the first groups of strands and the second groups of strands, the other end of the other end of the first groups of strands, the second groups of strands is suppressed bonding formation backrest and back leg with the 3rd groups of strands respectively, and described front chair leg, back leg, handrail and backrest are one-body molded to be described pin embryo.

Described wooden triangle is positioned at aforementioned three triangle portions that groups of strands is bordered on, and this wood triangle is the triangular prism that three cambered surfaces form, and each cambered surface is fixing with a groups of strands bonding respectively.

The beneficial effects of the utility model are:

1, three groups of strands of the present utility model and wooden triangle are closely suppressed and are bonded together, and (the every one deck veneer in the pin embryo is arc, and the width of all veneers equates for the pin embryo so that front chair leg, back leg, handrail and backrest are one-body molded; And in the pin embryo in the existing product, every one deck veneer is the plane and sawing becomes similar H-shaped shape), so that the pin embryo possesses very high intensity (according to test, the compressive strength rate existing product improves more than 1 times), and the bend wood chair product of assembling very convenient, smooth lines also has the epoch artistic effect;

2, pin embryo of the present utility model in process of production, different wood qualities all can use, technique is simple; And no longer including the part that sawing abandons after compressing, timber utilization rate is high especially, and then has significantly saved timber resources (comparing saving more than 40% with existing product); The pin embryo is crooked natural simultaneously, and the lines flow smoothly, keeps the complete of the grain of wood, can not damage lumber fibre;

3, groups of strands is after hot-pressing processing, can on larger cambered surface, physiological bending characteristic and the instructions for use according to human body carry out brake forming, have moisture resistance, antitorque, do not ftracture, the advantage such as indeformable, from style, the camber line of bent wood products grace is that other products are incomparable;

4, on material is used, adopt the high-quality panel except the top layer of groups of strands, internal layer not only requires low with material, and can be long with short circuit, and is wide with narrow assembly, and material is fully used; Than solid wood, greatly reduce the waste that produces because of bending moulding, secondly, its texture is natural, color and luster is clear, and the making of product is very graceful, and fine and smooth material also makes product surface smooth careful, comfortable feel, thereby have good market prospects.

Description of drawings

Fig. 1 is perspective view of the present utility model.

Fig. 2 is the main TV structure schematic diagram of pin embryo in the utility model.

Fig. 3 is the perspective view of pin embryo in the utility model.

Fig. 4 is the perspective view of wooden triangle in the utility model.

Fig. 5 is the perspective view of conventional bend wood chair.

Fig. 6 is the cross sectional representation at B position among Fig. 5.

Fig. 7 is the cross sectional representation at A position among Fig. 1.

Fig. 8 is the perspective view of the Special-Shaped Column in the utility model manufacturing process.

Fig. 9 is the view of pin embryo when carrying out intensity test.

The specific embodiment

Below in conjunction with Figure of description, the utility model is described in further detail, but the utility model is not limited to following examples.

Conventional bend wood chair is comprised of left foot embryo, right crus of diaphragm embryo, front shelves, rear shelves, seat and backboard and some handwares, and left foot embryo and right crus of diaphragm embryo are symmetrical.The method of processing pin embryo is to process required shape in the multilayer gluing flat board saw system through compacting at present, and such as Fig. 5, shown in Figure 6, the veneer in the pin embryo vertically stretches.These class methods are wasted timber very much, and operation inconvenience.

For above-mentioned situation, the multilayer gluing bend wood chair of the utility model design, the pin embryo 4 that comprises two similar H-shapeds that are arranged side by side, the front shelves 5 and the rear shelves that connect two pin embryos, be fixed on seat 2 and backrest 1 on the described pin embryo by handware, assembling mode and conventional bend wood chair are similar, difference of the present utility model is: described pin embryo forms (as shown in Figure 7) by three groups of strands and wooden triangle 3 adhering and pressing, each groups of strands is generally 10-20 layer veneer by some layers of veneer 6(, perhaps determine as required) be built up (it is crisscross superimposed usually press the fiber direction of extension between each veneer), the thickness direction of each groups of strands vertical with the width of bend wood chair (width that has the thickness direction of pin embryo in the bend wood chair and bend wood chair now is consistent).Described three groups of strands are curved shape, wherein chair leg and handrail before the bonding formation of a side pressure system of the end of the first groups of strands 4-1 and the second groups of strands 4-2, the other end of the other end of the first groups of strands, the second groups of strands is suppressed bonding formation backrest and back leg with the 3rd groups of strands 4-3 respectively, and described front chair leg, back leg, handrail and backrest are one-body molded to be described pin embryo.

Described wooden triangle is positioned at aforementioned three triangle portions that groups of strands is bordered on, and this wood triangle is the triangular prism that three cambered surfaces form, and each cambered surface is fixing with a groups of strands bonding respectively.Described wooden triangle can adopt complete wooden unit saw system, also can be bonded side by side by several little corner blocks.

The manufacture method of multilayer gluing bend wood chair described in the utility model may further comprise the steps:

One, makes the pin embryo;

The first step: make veneer; Timber cut dig into the veneer that thickness is 1.2-1.5mm, then pass through drying and processing to moisture content 6-8%; Similar with the step in the existing pin embryo preparation method;

Second step: make groups of strands; Behind some veneer gluings, by the fiber direction of extension in length and breadth cross lamination become groups of strands; Similar with the step in the existing pin embryo preparation method;

The 3rd step: compacting pin embryo; Carry out according to the following steps;

Select above-mentioned three groups of strands, put into the die cavity of press by pin embryo shape, and in the space of three groups of strands infalls, put into a wooden triangle; Then start press and heat that (heating generator power settings voltage is 4500 to 5000 volts and heats; Heating-up temperature is 100-150 ℃, 10-30 minute heat time heating time), pressurization (pressure transfers to 7.5 to 14 MPas), make between the veneer in the groups of strands and veneer and wooden triangle between bond, be configured as the similar H-shaped in cross section Special-Shaped Column 10(as shown in Figure 8);

The 4th step: produce the pin embryo;

According to thickness requirement, being parallel to the direction cutting Special-Shaped Column in cross section, obtain pin embryo 4;

The 5th step: to the pin embryo get into the cave, correction, sanding, japanning;

Two, assembling:

Between above-mentioned two pin embryos, be connected and fixed with front shelves, rear shelves and handware, be loaded on seat and backboard, namely obtain bend wood chair.

The die cavity of described press is comprised of three moulds with relative motion, and the cavity between three moulds is the die cavity consistent with pin embryo shape.The surface that described three moulds are positioned at die cavity is equipped with respectively the sheet metal for conducting high-frequency heating electric current.Described three moulds are respectively the shell structure that is shaped with airtight inner chamber, and each airtight inner chamber is connected with vapour source by jet chimney, thereby consist of the baking oven of heating usefulness.

As shown in Figure 7, in the pin embryo described in the utility model, veneer in each groups of strands all is bent into identical shaped, and the curved shape of each groups of strands fully different (compare: in the pin embryo in the existing product, all veneers all cut into identical shaped H-shaped); Thereby the integrality of fiber is very good, and intensity is very high.And except the top layer employing high-quality panel of groups of strands, internal layer not only requires low with material, can also be long with short circuit, and wide with narrow assembly, material is fully used; Than solid wood, can greatly reduce the waste that produces because of bending moulding.

For obtaining the intensity data of pin embryo, the pin embryo that the inventor provides pin embryo and the utility model of existing product has carried out respectively the compression strength contrast test, and (test mode as shown in Figure 9: the test of two kinds of pin embryos all keeps identical arm of force length S, loading force P then progressively increases, to obtain the crest power that can bear); The result proves: the compression strength of the pin embryo that the utility model provides is 2,12 times of the compression strength of existing product pin embryo.

Claims

1. multilayer gluing bend wood chair, comprise two similar H-shapeds that are arranged side by side pin embryo (4), connect the front shelves (5) of two pin embryos and rear grade, be fixed on seat (2) and backrest (1) on the described pin embryo by handware, it is characterized in that: described pin embryo is formed by three groups of strands and a wooden triangle (3) adhering and pressing, each groups of strands is built up by some layers of veneer, and the thickness direction of each groups of strands is vertical with the width of bend wood chair.

2. a kind of multilayer gluing bend wood chair according to claim 1, it is characterized in that: described three groups of strands are curved shape, wherein chair leg and handrail before the bonding formation of a side pressure system of an end of the first groups of strands (4-1) and the second groups of strands (4-2), the other end of the other end of the first groups of strands, the second groups of strands is suppressed bonding formation backrest and back leg with the 3rd groups of strands (4-3) respectively, and described front chair leg, back leg, handrail and backrest are one-body molded to be described pin embryo.

3. a kind of multilayer gluing bend wood chair according to claim 1 and 2, it is characterized in that: described wooden triangle is positioned at aforementioned three triangle portions that groups of strands is bordered on, this wood triangle is the triangular prism that three cambered surfaces form, and each cambered surface is fixing with a groups of strands bonding respectively.