CN202862324U - Bent wood foot blank pressing machine - Google Patents
Bent wood foot blank pressing machine Download PDFInfo
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- CN202862324U CN202862324U CN 201220493641 CN201220493641U CN202862324U CN 202862324 U CN202862324 U CN 202862324U CN 201220493641 CN201220493641 CN 201220493641 CN 201220493641 U CN201220493641 U CN 201220493641U CN 202862324 U CN202862324 U CN 202862324U
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Abstract
The utility model relates to a bent wood foot blank pressing machine which is convenient to machine, high in production efficiency, and low in production cost. The bent wood foot blank pressing machine is characterized by comprising a vertically arranged machine frame, an upper mold, a left mold and a right mold, wherein the upper mold, the left mold and the right mold which are used for assembling a foot blank mold cavity are arranged on the machine frame, a guide rail mechanism favorable for horizontal and liner movement of the left mold and the right mold is arranged between the bottoms of the left mold and the right mold and a base plate of the machine frame, vertical pillars respectively at the left side and the right side of the machine frame are respectively provided with a horizontal oil cylinder used for applying horizontal driving force on the left mold and the right mold, a double-rod oil cylinder used for driving the upper mold to move vertically is fixed on a cross beam at the top of the machine frame, a pressing surface of each mold is coated with a metal piece which is communicated with a high-frequency heater and used for heating at high frequency, every two metal pieces form a pair of heating electrodes and are connected with a power source of the high-frequency heater.
Description
Technical field
The utility model relates to technical field of furniture manufacturing, is specifically related to the wooden pin embryo of a kind of song press.
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; Wherein not the bend wood chair of containing metal chair leg then as shown in figure 10, its manufacturing process is to adopt first hot-forming solid wood board to make pin embryo 14, and then assembles 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; Each pin embryo comprises a front chair leg, back leg, the level shelves of a support seat and backrest shelves that support backrest); 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, the thickness direction of pin embryo is namely consistent with 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 the wooden pin embryo of a kind of song press is provided, and this song wood pin embryo press should have characteristics easy to process, that production efficiency is high and production cost is low.
The technical solution adopted in the utility model is:
The wooden pin embryo of a kind of song press is characterized in that: described press comprises the frame of vertical and is installed on the frame for being combined into the patrix of pin embryo die cavity, left mould and right mould; Be provided with the guide rail mechanism that is beneficial to left mould, right mould horizontal rectilinear motion between the bottom of left mould and right mould and the base plate of frame, be separately installed with the cross cylinder that described left mould, right mould is applied horizontal actuator force on the column in frame left side and the column on right side; Be fixed with one on the crossbeam of frame top and drive two rod oil cylinders that described patrix vertically moves up and down, the press face of three moulds respectively coats one deck and heating generator conducting being used for the sheet metal of high-frequency heating, partner heating electrode and be connected with the heating generator power supply of per two sheet metals.
In described patrix, left mould and three moulds of right mould, have at least two to be mobilizable mould.
Be provided with a left and right sides lazy-tongs between described patrix and the crossbeam, comprise that level is installed in synchronous gear shaft and two tooth bars that vertically are arranged in this synchronous gear shaft left and right sides on the described crossbeam, the upper end of described tooth bar be installed in the chute and with the gear engagement of synchronous gear shaft, the lower end of tooth bar is connected with described patrix.
Described patrix, left mould and right mould are the shell structure that is provided with airtight inner chamber, and described airtight inner chamber is connected with vapour source by jet chimney, thereby consist of the baking oven of heating pin embryo.
The operation principle of this press is:
A adjusts die location; Start the oil cylinder gauge tap of bent wooden pin embryo press, the mould of two activities is retreated to the regulation position;
B, the precompressed groups of strands; Two groups of strands are put between the fixed mould and one of them flexible mould of bent wooden pin embryo press, start afterwards the oil cylinder of this flexible mould, with two groups of strands pre-pressings, it can not skidded off, and then the jag section with two groups of strands pre-fixes respectively (available band rope is tied up and pre-fixed) on aforementioned two moulds; Then put into the 3rd groups of strands between another flexible mould and aforementioned two moulds, restart this flexible mould until coincide with aforementioned two moulds, this moment, three groups of strands all were pre-compacted;
C puts into wooden triangle; Fill in wooden triangle in the triangular space that three groups of strands are bordered on, this wood triangle is the triangular prism that is comprised of three cambered surfaces;
D, compacting pin embryo; Start simultaneously the oil cylinder of three moulds, pressure is transferred to 7.5 to 14 MPas, make the press face of three moulds compress groups of strands; Connect simultaneously the heating generator power supply, setting voltage is 4500 to 5000 volts, and groups of strands is carried out heating, drying (temperature can rise to 100-150 ℃); Can between the sheet metal of three moulds, switch the order of energising in the heating process, during whole process 3 to 10 minutes; The heating generator power supply jumps out of automatically after finishing heat time heating time, keeps pressure 10-20 minute again, until each groups of strands respectively with all the other two groups of strands close adhesion; Three cambered surfaces of wood triangle also respectively with three groups of strands close adhesion, make three groups of strands be configured as the Special-Shaped Column of the similar H-shaped in cross section with wooden triangle;
In addition, bent wooden pin embryo press also can be by the further heat drying of steam drying box: only need pass into steam by jet chimney at the airtight inner chamber of three moulds, increase the conduction heat, to accelerate the dry forming speed of pin embryo.
There is not thermograde in the advantage that adopts heating generator when being heating, three groups of strands heat up evenly, thereby fast dry.During the steam drying box heating, heat enters inside from surface conductive, has thermograde, and the efficiency of heating surface is a little relatively low.
Abnormity is prismatic after moulding on the wooden pin embryo of the song press, it can be taken off and be parallel to the direction in cross section (namely being parallel in the plane in cross section) sawing Special-Shaped Column by thickness requirement, namely obtain pin embryo (each water chestnut post sawing obtains the pin embryo of a plurality of same sizes); Then drill required hole is installed, sanding, paint;
Outsourcing or make in the usual way seat and backboard (this step can be carried out simultaneously with the prismatic pressing process of above-mentioned abnormity);
The assembling bend wood chair; Two pin embryos about the paint completion are connected and fixed with front shelves, rear shelves and handware, are loaded on seat and backboard, bend wood chair is moulding.
Described wooden triangle can be bonded side by side with several little corner blocks, the fiber direction of extension of all corner blocks and described plane parallel.
The beneficial effects of the utility model are:
1, the utility model is bonded together three groups of strands and the tight compacting of wooden triangle by patrix, left mould and right mould, and (the every one deck veneer in the pin embryo is cambered surface for the pin embryo so that front chair leg, back leg, handrail and backrest section are one-body molded; And in the pin embryo in the existing product, every one deck veneer is the plane) so that the pin embryo that processes possesses very high intensity (according to test, the compressive strength rate existing product improves more than 1 times), and assemble very conveniently, the bend wood chair product of smooth lines also has the epoch artistic effect.
2, the utility model is in the process of producing bend wood chair, and different wood qualities all can use, and 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 can lower the requirement 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 the main TV structure schematic diagram of the embodiment one of the wooden pin embryo of song described in the utility model press.
Fig. 2 is the backsight structural representation of the embodiment one of the wooden pin embryo of song described in the utility model press.
Fig. 3 is the main TV structure schematic diagram of the embodiment two of the wooden pin embryo of song described in the utility model press.
Fig. 4 is the main TV structure schematic diagram of pin embryo described in the utility model.
Fig. 5 is the structural representation of wooden triangle described in the utility model.
Fig. 6 is the perspective view of the Special-Shaped Column in the utility model process.
Fig. 7 is the perspective view of pin embryo described in the utility model.
Fig. 8 is the perspective view of the embodiment 1 of bend wood chair described in the utility model.
Fig. 9 is the perspective view of the embodiment 2 of bend wood chair described in the utility model.
Figure 10 is the perspective view of existing bend wood chair.
Figure 11 is the cross-sectional structure schematic diagram at the W position of bend wood chair pin embryo among Figure 10.
Figure 12 is the cross-sectional structure schematic diagram at the M position of bend wood chair pin embryo among Fig. 8.
Figure 13 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, left foot embryo and right crus of diaphragm embryo symmetrical (as shown in figure 10).The method of processing pin embryo is to process required shape in the multilayer gluing flat board saw system through compacting at present, and the veneer in the pin embryo vertically stretches (as shown in figure 11).These class methods are wasted timber very much, and operation inconvenience.
For above-mentioned situation, the utility model proposes a kind of manufacture method of multilayer gluing bend wood chair, 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%;
Second step: make groups of strands; Behind some veneers (10-20 sheet veneer is generally arranged, perhaps determine as required veneer quantity) gluing, by the fiber direction of extension in length and breadth cross lamination become groups of strands;
Step in said method and the existing pin embryo preparation method is similar;
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 triangular space that three groups of strands are bordered on, put into a wooden triangle (wooden triangle is the triangular prism that three cambered surfaces form); Then (heating generator power settings voltage is 4500 to 5000 volts and heats to start the press heating, temperature is 100-150 ℃), the pressurization (pressure transfers to 7.5 to 14 MPas), time 10-30 minute, make between the veneer in the groups of strands and veneer and wooden triangle between fit tightly and bond (each cambered surface of wooden triangle is fixing with groups of strands bonding respectively), be configured as the Special-Shaped Column of the similar H-shaped in cross section;
The 4th step: produce the pin embryo;
According to thickness requirement, being parallel to the direction sawing Special-Shaped Column in cross section (namely being parallel to sawing Special-Shaped Column in the plane in cross section), obtain the pin embryo;
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 press face that described three moulds are positioned at the die cavity position is coated 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.
Described wooden triangle can adopt complete wooden unit saw system, also can be bonded side by side by several little corner blocks.
In addition, in the process of above-mentioned compacting pin embryo, the airtight inner chamber of three moulds of press is connected with vapour source respectively, can set as required temperature and the flow velocity of steam, the auxiliary heating groups of strands.
The utility model also proposes a kind of bent wooden pin embryo press that is applicable to above-mentioned manufacture method, comprise the frame 1 of vertical and rack-mounted patrix 7, left mould 5 and right mould 6 totally three moulds, the press face of three moulds is shaped with respectively the cambered surface that adapts with the wooden pin embryo of song, and the space between the press face of three moulds forms an open die cavity.Be separately installed with the cross cylinder 3 that drives described left mould, right mould horizontal rectilinear motion on the column on frame left side and right side, the piston rod of cross cylinder is horizontally disposed along left and right directions, is provided with guide rail mechanism with the weight of carries left mould and right mould between the bottom of left mould and right mould and the base plate of frame.Be fixed with one on the crossbeam of frame top and drive two rod oil cylinders 9 that described patrix vertically moves up and down, the piston rod of two rod oil cylinders is vertically arranged along the vertical direction.In order to guarantee the left and right sides synchronized movement of patrix, be provided with a left and right sides lazy-tongs between described patrix and the crossbeam, comprise that level is installed in synchronous gear shaft 12 and two tooth bars 8 that vertically are arranged in this synchronous gear shaft left and right sides on the described crossbeam, the upper end of described tooth bar be installed in the chute and with the gear engagement (conventional structure of synchronous gear shaft, do not describe in detail), the lower end of tooth bar is connected with described patrix.When two rod oil cylinders were flexible, tooth bar also moved up and down thereupon, because the effect of synchronous gear shaft, so that the piston rod of two rod oil cylinders keeps being synchronized with the movement up and down.
The heater that described press is equipped with is heating generator (directly outsourcing); Be coated with respectively the sheet metal 11 for conducting high-frequency heating electric current on the press face of above-mentioned left mould, right mould and patrix, partner heating electrode and be connected with the heating generator power supply of per two sheet metals.Usually; above-mentioned left mould, right mould and patrix are wooden model or swage; wooden model is originally as insulator; and for swage; in order to prevent short circuit; need between the piston rod of each oil cylinder and the swage with insulation board 2 isolation (can adopt plank to separate), and the connecting screw rod between piston rod and the swage need to wrap up (conventional structure) with insulation sleeve 13.
Above-mentioned guide rail mechanism can adopt conventional straight guide, also can select roller 4(conventional structure as shown in Figure 1-Figure 3, does not describe in detail).
In addition, described patrix, left mould and right mould are the shell structure that is provided with airtight inner chamber, and described airtight inner chamber is connected with vapour source by jet chimney, thereby consist of the baking oven of the bent wooden pin embryo of heating.
Above-mentioned left mould, right mould and patrix can be movable mould, also can as required one of them mould be fixed, and two other mould is movable, below enumerate two processing comparatively easily scheme describe.
For easy to process, left mould can be fixed, and right mould and patrix are movable.Add and man-hour two groups of strands oblique 45 are spent the right side (the first groups of strands 14-1, the second groups of strands 14-2) that is placed on left mould, then start right mould and carry out precompressed, the position with two groups of strands malcompressions separates again, pre-fixes respectively on left mould and right mould; Then put into another groups of strands (the 3rd groups of strands 14-3) and start patrix and carry out precompressed, then in the triangle portion space that three groups of strands are bordered on, put into wooden triangle 15, restart right mould and patrix and carry out mold pressing; And connect the heating generator power supply and heat (also can add Steam Heating, to reduce the moulding required time), make three groups of strands and the wooden triangle be shaped to the Special-Shaped Column of the similar H-shaped in cross section, press at last thickness requirement and cut.
For easy to process, right mould can be fixed, and upper die and lower die are movable.The processing method of this embodiment and embodiment one are similar, first two oblique 45 degree of groups of strands are placed on the left side of right mould, then patrix are depressed and are carried out precompressed, and the position with two groups of strands left end malcompressions separates again, pre-fixes respectively on left mould and right mould; Then put into another groups of strands from the left side, start simultaneously left mould and carry out precompressed, then in the triangle portion space that three groups of strands are bordered on, put into wooden triangle, restart upper die and lower die and carry out mold pressing; And connect the heating generator power supply and heat (also can add Steam Heating, to reduce the moulding required time), make three groups of strands and the wooden triangle be shaped to the Special-Shaped Column of the similar H-shaped in cross section, press at last thickness requirement and cut.
Still needing is pointed out that, no matter fix which mould, the structure of the bent wooden pin embryo that processes all structure with shown in Figure 4 is identical.
As shown in figure 12, after the processing of the wooden pin embryo of song described in the utility model press, in the described pin embryo, 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.
Still need and be pointed out that, press described in the utility model and manufacture method are not only applicable to the wooden pin embryo of backed song as shown in Figure 8, equally also be applicable to the wooden pin embryo of unbacked song as shown in Figure 9, the compacting of adjusting as required in process of production mould sequentially gets final product, this is conventional method, and no further details to be given herein.
Also have steam inlet 10-1, steam (vapor) outlet 10-2 among the figure.For making drawing clean and tidy, vapour source among the figure (such as boiler) and heating generator (outsourcing device) omit and do not draw.
For obtaining the intensity data of pin embryo, the pin embryo that utility model people 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 13: 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 (4)
1. the wooden pin embryo of song press, it is characterized in that: described press comprises frame (1) and rack-mounted patrix (7), left mould (5) and the right mould (6) of vertical; Be provided with the guide rail mechanism that is beneficial to left mould, right mould horizontal rectilinear motion between the bottom of left mould and right mould and the base plate of frame, be separately installed with the cross cylinder (3) that described left mould, right mould is applied horizontal actuator force on the column in frame left side and the column on right side; Be fixed with one on the crossbeam of frame top and drive two rod oil cylinders (9) that described patrix vertically moves up and down, the press face of three moulds respectively coats one deck and heating generator conducting being used for the sheet metal (11) of high-frequency heating, partner heating electrode and be connected with the heating generator power supply of per two sheet metals.
2. the wooden pin embryo of a kind of song according to claim 1 press is characterized in that: in described patrix, left mould and three moulds of right mould, have at least two to be mobilizable mould.
3. the wooden pin embryo of a kind of song according to claim 1 and 2 press, it is characterized in that: be provided with a left and right sides lazy-tongs between described patrix and the crossbeam, comprise that level is installed in synchronous gear shaft (12) and two tooth bars (8) that vertically are arranged in this synchronous gear shaft left and right sides on the described crossbeam, the upper end of described tooth bar be installed in the chute and with the gear engagement of synchronous gear shaft, the lower end of tooth bar is connected with described patrix.
4. the wooden pin embryo of a kind of song according to claim 3 press, it is characterized in that: described patrix, left mould and right mould are the shell structure that is provided with airtight inner chamber, described airtight inner chamber is connected with vapour source by jet chimney, thereby consists of the baking oven of heating pin embryo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220493641 CN202862324U (en) | 2012-09-25 | 2012-09-25 | Bent wood foot blank pressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220493641 CN202862324U (en) | 2012-09-25 | 2012-09-25 | Bent wood foot blank pressing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202862324U true CN202862324U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220493641 Expired - Fee Related CN202862324U (en) | 2012-09-25 | 2012-09-25 | Bent wood foot blank pressing machine |
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| Country | Link |
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| CN (1) | CN202862324U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848445A (en) * | 2012-09-25 | 2013-01-02 | 陈传根 | Manufacture method of multi-layer gluing bentwood chair and bentwood foot blank pressing machine |
| CN108724413A (en) * | 2018-05-11 | 2018-11-02 | 安吉康德赛家具有限公司 | A kind of preparation method of leisure chair |
-
2012
- 2012-09-25 CN CN 201220493641 patent/CN202862324U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848445A (en) * | 2012-09-25 | 2013-01-02 | 陈传根 | Manufacture method of multi-layer gluing bentwood chair and bentwood foot blank pressing machine |
| CN102848445B (en) * | 2012-09-25 | 2015-06-10 | 陈传根 | Manufacture method of multi-layer gluing bentwood chair and bentwood foot blank pressing machine |
| CN108724413A (en) * | 2018-05-11 | 2018-11-02 | 安吉康德赛家具有限公司 | A kind of preparation method of leisure chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20140925 |
|
| EXPY | Termination of patent right or utility model |