CN102689607A - Foaming body with heating device and producing process of foaming body - Google Patents
Foaming body with heating device and producing process of foaming body Download PDFInfo
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- CN102689607A CN102689607A CN2012101611268A CN201210161126A CN102689607A CN 102689607 A CN102689607 A CN 102689607A CN 2012101611268 A CN2012101611268 A CN 2012101611268A CN 201210161126 A CN201210161126 A CN 201210161126A CN 102689607 A CN102689607 A CN 102689607A
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- foaming body
- heating arrangement
- basic unit
- manufacture craft
- foaming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/1266—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being completely encapsulated, e.g. for packaging purposes or as reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention discloses a foaming body with a heating device and a producing process of the foaming body. The producing process comprises the following steps: firstly preparing a net-shaped through substrate, wherein the net-shaped through substrate is provided with a plurality of first fixing parts; arranging a heating device on the net-shaped through substrate; laying the prepared net-shaped through substrate on the bottom side of a low cavity of a lower mould and connecting the first fixing parts to second fixing parts on the bottom side of the lower cavity one by one; leading lead lines out from the mould joint between an upper mould and the lower mould; spaying a de-moulding agent into the lower cavity of the lower mould and filling foaming liquid into the lower cavity of the lower mould along the preset path at set flow rate; covering the upper mould on the lower mould and keeping the temperature of the foaming mould between 55 DEG C and 70 DEG C; opening the upper mould after foaming is finished and taking out the foaming body with the heating device. According to the foaming body with the heating device produced by the invention, the problem on the conflict between the surface packaging process of the new cementing method and the installation of the traditional heating pad is solved.
Description
Technical field
The present invention relates to the seat technical field; Refer more particularly to the integrated seat technical field of a kind of heating arrangement and foaming body; Be particularly related to that the employing face cover of being applicable to coheres method technology (Bonding Process) and need the automotive seat technical field of band heating system, be specifically related to a kind of foaming body and manufacture craft thereof with heating arrangement.
Background technology
Along with auto-industry make rapid progress; The continual renovation of automotive seat; Traditional face cover mode of hanging tight is not enough to satisfy the needs of moulding; Therefore the face cover is directly pasted through glue with foaming, again will be by increasing use through the technology (cohering method technology Bonding Process) of high-temperature steam shaping.But this process technology limit the use of conventional pads.
The heating system of general automotive seat all is to be fixed on foaming body through Acrylic Foam Tape to take on the one side, and this mode is very high to packing requirements, and the off-square installation can cause heating function unusual, even causes seat to damage the accident of injury to personnel; Simultaneously, in use, receive the function of friction of human body and seat face cover, seat direct heating pad produces shear force with foaming, causes the heating cushion displacement, gauffer, and bending influences service life of heating cushion.
Summary of the invention
One of technical matters to be solved by this invention is to the existing problem of heating system method for making of existing automotive seat a kind of foaming body with heating arrangement to be provided, and coheres normal plane cover cladding process with solution and with conventional pads the problem of conflicting is installed.This invention need not to install heating cushion, the problems such as heating function inefficacy of having avoided location tolerance to cause.Reduced seat simultaneously and in the later stage use, be prone to cause heating cushion displacement, gauffer, failure risks such as bending owing to rub.
Two of technical matters to be solved by this invention is to provide a kind of manufacture craft of foaming body of above-mentioned band heating arrangement.
Foaming body as the band heating arrangement of first aspect present invention; Comprise foaming body and be arranged on the interior heating arrangement of taking face near foaming body of said foaming body; It is characterized in that said heating arrangement comprises netted penetrating basic unit and is configured in the heating arrangement in the said netted penetrating basic unit.
Said netted penetrating basic unit is meant and adopts fiberglass gridding cloth, foraminous woven cloth, perforated nonwoven fabrics or many gapping intervals knitting to process.
Said many gapping intervals knitting is a nylon mesh grid.
Said netted penetrating basic unit has some mesh, and each mesh size is 4*4mm～10*10mm.Be preferably 5*5mm.
The netted penetrating basic unit of said preparation has and the unified curved surface of said foaming body moulding.
Said heating arrangement be arranged in said netted penetrating basic unit deviate from foaming body take face that the one side on.
Said heating arrangement includes the heater element that is arranged in the said netted penetrating basic unit.
Said heater element is the alloy heater strip that has the insulated heat cover.
Said alloy heater strip is the non-rectilinear mode and is arranged in the said netted penetrating basic unit.Can eliminate the stress that the heating arrangement bending causes like this, protection alloy heater strip is not broken.
Said non-rectilinear mode is sine curve mode or serpentine curve mode.
Said alloy heater strip is stainless steel wire or stranded copper wire.
Said heating arrangement also comprise one with the series connected thermal protector of said heater element; This thermal protector in order to perception should the zone temperature variations and carry out corresponding temperature control; Can automatic shutoff circuit after arriving target temperature, play the control temperature, the effect of protective circuit.
Said thermal protector is the passive temperature control body or the NTC resister of bi-metal temperature control.
Said heating arrangement also comprise one with the series connected pressure sensor of said heater element, have only when on the seat occupant being arranged, pressure sensor could be connected heater element, to avoid heater element by the possibility of maloperation.
Described foaming body is the cushion foaming body of front-row seats of vehicle, the backrest foaming body of front-row seats, the cushion foaming body or the back seat backrest foaming body of back seat.
Technical matters to be solved by this invention can realize through following technical scheme:
As the manufacture craft of the foaming body of the band heating arrangement of second aspect present invention, form by following steps:
(1), prepares netted penetrating basic unit, some first fixed partss of configuration in said netted penetrating basic unit;
(2), in said netted penetrating basic unit, dispose heating arrangement;
(3), preparation foaming mould; This foaming mould has upper die and lower die; Said patrix has a upper impression; Said counterdie has die cavity, and wherein said upper and lower die cavity is formed the shape that said foaming body adapts, and has at least one die cavity bottom surface that is used to lay said netted penetrating basic unit in said lower impressions; On said die cavity bottom surface, dispose some second fixed partss in order to fixing said netted penetrating basic unit, said second fixed parts becomes one-to-one relationship with said first fixed parts;
(4) the netted penetrating basic unit of step (1) preparation is laid on the die cavity bottom surface of lower impressions of the said counterdie of step (3), and will first fixed parts in the said netted penetrating basic unit be connected one to one with second fixed parts formation on the die cavity bottom surface; Simultaneously the pig-tail wire of heating arrangement is drawn by the die joint between said patrix and the counterdie;
(5) in the lower impressions of counterdie, spray mold release, then along predefined path with the flow set mo(u)ld bottom half intra-bladder instillation expanding foam solution to counterdie;
(6) in the upper impression of patrix, spray mold release, then patrix is combined on the counterdie, keep the foaming mould temperature between 55 ℃～70 ℃, foamed 3～5 minutes; Foaming is opened patrix after finishing, and takes out the foaming body that contains said heating arrangement, and the pig-tail wire of wherein said heating arrangement is carried out follow-up crimping after drawing the outside through said foaming body rear end again, and links to each other with wire harness.
In step of the present invention (1), the netted penetrating basic unit of said preparation is meant and adopts fiberglass gridding cloth, foraminous woven cloth, perforated nonwoven fabrics or many gapping intervals knitting to process.
Said many gapping intervals knitting is a nylon mesh grid.
In step of the present invention (1), the netted penetrating basic unit of said preparation has some mesh, and each mesh size is 4*4mm～10*10mm.Be preferably 5*5mm.
In step of the present invention (1), the netted penetrating basic unit of said preparation is made into and the unified curved surface of said foaming body moulding.
In step of the present invention (2), said heating arrangement be arranged in said netted penetrating basic unit deviate from foaming body take face that the one side on.
Said heating arrangement includes the heater element that is arranged in the said netted penetrating basic unit.
Said heater element is the alloy heater strip that has the insulated heat cover.
Said alloy heater strip is the non-rectilinear mode and is arranged in the said netted penetrating basic unit.Can eliminate the stress that the heating arrangement bending causes like this, protection alloy heater strip is not broken.
Said non-rectilinear mode is sine curve mode or serpentine curve mode.
Said alloy heater strip is stainless steel wire or stranded copper wire.
Said heating arrangement also comprise one with the series connected thermal protector of said heater element; This thermal protector in order to perception should the zone temperature variations and carry out corresponding temperature control; Can automatic shutoff circuit after arriving target temperature, play the control temperature, the effect of protective circuit.
Said thermal protector is the passive temperature control body or the NTC resister of bi-metal temperature control.
Said heating arrangement also comprise one with the series connected pressure sensor of said heater element, have only when on the seat occupant being arranged, pressure sensor could be connected heater element, to avoid heater element by the possibility of maloperation.
In step of the present invention (3), said first fixed parts is arranged on four angles of said netted penetrating basic unit.
In step of the present invention (3), the distance between the die cavity bottom surface of the lower impressions of said netted penetrating basic unit and said counterdie is 1～8mm.Be preferably 4～5mm.Its reason is that hypotelorism can influence quality and the travelling comfort that foaming body is taken face, and hypertelorism can reduce heating properties again, makes to heat slowly, and perhaps temperature is crossed low etc.
In step of the present invention (3), said first fixed parts is locating dowel pin or locating bush, and said second fixed parts is locating bush or locating dowel pin, and said locating dowel pin inserts in the said locating bush.
In step of the present invention (3), said first fixed parts is a bail, and said second fixed parts is the bail hole that is opened on the said die cavity bottom surface.
In step of the present invention (3), said first fixed parts and second fixed parts are different in nature magnet.
In step of the present invention (3), said first fixed parts and second fixed parts are thread gluing bar (VELCRO VELCRO).
In step of the present invention (3), said first fixed parts and second fixed parts be box and pin each other.
In step of the present invention (5), said being meant along predefined path along lower impressions evenly cast of a circle all around makes foaming can flow to each place in the foaming mould die cavity uniformly.
In the production process of foaming body, owing to need under the relative fully enclosed environment behind the upper and lower mould matched moulds, carry out the fluid injection foaming to mould, any hole will cause the outside overflow of expanding foam solution and foam.Therefore the pig-tail wire of heating arrangement can not adopt common unsealed forms such as poling, like this will be owing to the cavity that exists in the poling forms the outer overflow hole of mould.Therefore, the pig-tail wire of the heating arrangement among the present invention will adopt blocking solution osed top version.Preferably, the pig-tail wire of heating arrangement adopts plastic cement or the solid sheath of rubber to be drawn by the wire harness guide groove that is arranged on the upper and lower mould.
Foaming body of the present invention is the cushion foaming body of front-row seats of vehicle, the backrest foaming body of front-row seats, the cushion foaming body or the back seat backrest foaming body of back seat.
Owing to adopted technical scheme as above, the foaming body of the band heating arrangement that the present invention makes has solved the novel normal plane cover cladding process that coheres and with conventional pads the problem of conflicting has been installed.The foaming body later stage need not to install heating cushion, the problems such as heating function inefficacy of having avoided location tolerance to cause.Reduced seat in the later stage use because friction is prone to cause heating cushion displacement, gauffer, failure risks such as bending have been broken through the traditional form of seat heating cushion in the past.
Adopt product of the present invention and technical application, can solve the supporting integration problem of the heating arrangement of said Chain cushion/integrated chair type of backrest foaming body effectively, realized that this type of seat can realize electric heating function cheaply equally.
Because heating arrangement and cushion/backrest foaming body are fully integrated to be same structure, makes this heating arrangement foaming body body have higher structure integraty, technical products had higher resistance and durable stability in the past.
Heating arrangement of the present invention is through the temperature control of simple design realization heating arrangement, the function of protective circuit.Through pressure boost sensor on circuit, realize the occupant detecting function, only, the occupant just activates heating function when being arranged.Also more safe and reliable in saves energy, avoid the heating arrangement maloperation to cause adverse consequences.
Description of drawings
Fig. 1 is a kind of structural representation that disposes the netted penetrating basic unit of heating arrangement of the present invention.
Fig. 2 is the structural representation that the sine curve mode is arranged in netted penetrating basic unit for alloy heater strip of the present invention.
Fig. 3 is the structural representation that the serpentine curve mode is arranged in netted penetrating basic unit for alloy heater strip of the present invention.
Fig. 4 disposes the structural representation of the netted penetrating basic unit of heating arrangement for another kind of the present invention.
The preformation that Fig. 5 disposes heating arrangement for the present invention is formed into the structural representation of the netted penetrating basic unit of curved surface.
Fig. 6 is arranged in the structural representation in the foaming mould for the netted penetrating basic unit that disposes heating arrangement shown in Figure 1.
Fig. 7 is arranged in the structural representation in the foaming mould for the netted penetrating basic unit that the preformation that disposes heating arrangement shown in Figure 5 is formed into curved surface.
Fig. 8 is arranged in the structural representation in the foaming mould for the netted penetrating basic unit that disposes heating arrangement shown in Figure 4.
Fig. 9 is a foaming process scheme drawing of the present invention.
Figure 10 is a kind of foaming body structural representation with heating arrangement of the present invention.
Figure 11 is the cushion foaming body of front-row seats of vehicle of the present invention and the backrest foaming body combination scheme drawing of front-row seats.
Figure 12 is the cushion foaming body of automobile rear seat of the present invention and the backrest foaming body combination scheme drawing of back seat.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth embodiment of the present invention.
A kind of manufacture craft of the foaming body with heating arrangement, form by following steps:
(1), referring to Fig. 1 to Fig. 4; Prepare netted penetrating basic unit 100; Netted penetrating basic unit 100 is processed by netted permeable material, materials such as netted permeable material such as fiberglass gridding cloth, many gapping intervals knitting, foraminous woven cloth, perforated nonwoven fabrics, many gapping intervals knitting.Grid cloth needs high temperature resistant, anti-liquid, and high strength is also wanted fire-proof insulation simultaneously.Many gapping intervals knitting is material mesh grids such as nylon.
The size of netted penetrating basic unit 100 meshes is keys of decision foaming body quality, space or should satisfy at interval that expanding foam solution can be realized freely seeing through and flow, and too small mesh size can cause foaming body to take face to lack the material unfairness, perhaps appearance defective such as bubble secretly.Excessive mesh size can't guarantee the fixing of alloy heater strip again.Therefore require the size of mesh to be not less than 4*4mm, and can not recommend the mesh size of 5*5mm greater than 10*10mm.
When the seat moulding had the concave surface characteristic, this netted penetrating basic unit 100 can carry out preform in advance, the netted penetrating 100a of basic unit (referring to Fig. 5) of the curved surface that generation and foaming body moulding are unified.
(2), on netted penetrating basic unit 100 or 100a, dispose heating arrangement; Therefore as a rule, it is nearer that netted penetrating basic unit 100 or 100a and foaming body are taken face, presses close to occupant's human body one side, should avoid the rigid structure object to take face near the seat foaming body as far as possible, in order to avoid cause the discomfort on the human body when taking.Therefore, heating arrangement should be configured in and deviates from foaming body and take the opposite direction of face among the present invention.Like this, possibly cause the uncomfortable rigid structure body of occupant can be hidden in the deep layer of cushion foaming body on the heating arrangement, make it be not easy to discovered by the seat user.
This heating arrangement includes the heater element that is arranged on netted penetrating basic unit 100 or the 100a.Heater element is the alloy heater strip 210 that has the insulated heat cover.Alloy heater strip 210 is stainless steel wire or stranded copper wire.Alloy heater strip 210 is the non-rectilinear mode and is arranged in netted penetrating basic unit 100 or 100a last (referring to Fig. 1, Fig. 4 and Fig. 5), can eliminate the stress that the heating arrangement bending causes like this, and protection alloy heater strip is not broken.The alloy heater strip 210 non-rectilinear forms of putting commonly used have sine curve mode (referring to Fig. 2) or serpentine curve mode (referring to Fig. 3) etc.
This heating arrangement also comprise one with alloy heater strip 210 series connected thermal protectors 220 (temperature controller); Its should the zone in the regions of alloy heater strip 210 heating in order to perception temperature variations and carry out corresponding temperature control; Can automatic shutoff circuit after arriving target temperature; Play the control temperature, the effect of protective circuit.The thermal protector 220 of single grade of temperature adopts the passive temperature control body of bi-metal temperature control.The thermal protector 220 of many grades of temperature adopts NTC resister (NTC:Negative Temperature Coefficient).The general design of thermal protector 220 can not cancelled thermal protector 220 (referring to Figure 11 and Figure 12) when the heating arrangement of backrest foaming body is not based on self TEMP with control in the heating arrangement 310,610 of forward and backward row's cushion foaming body 300,600 and forward and backward row's backrest foaming body 300a, 600a, 310a, 610a.
Heating arrangement also comprise one with alloy heater strip 210 series connected pressure sensors 230 (referring to Fig. 4); The position is placed in seat H point (Hip Point; Can confirm chaufeur or occupant R point exactly at seat position; Be that the pivot point that trunk links to each other with thigh " is striden a little ") near the projected position of heating arrangement, being recommended in this point is the center, in the circumference of 50mm radius.Have only when on the seat occupant being arranged, heating arrangement just can be switched on, and avoids heating arrangement by the possibility of maloperation.General design is in the heating arrangement 310,610 of front-seat cushion foaming body 300 and rear stall pad foaming body 600 (referring to Figure 11 and Figure 12), and this moment, the heating arrangement 310,610 of forward and backward row's cushion foaming body 300,600 was connected with forward and backward backrest foaming body 300a, the heating arrangement 310a of 600a, 610a.The heating arrangement 310,610 of current, rear stall pad foaming body 300,600 is with the heating arrangement 310a of forward and backward backrest foaming body 300a, 600a, when 610a is parallelly connected, and forward and backward backrest foaming body 300a, the heating arrangement 310a of 600a, 610a be last to need independent design pressure sensor.
(3), preparation foaming mould; Referring to Fig. 6 to Fig. 9, this foaming mould has a patrix 410 and counterdie 420, and patrix 410 has a upper impression 411; Counterdie 420 has a lower impressions 421, and wherein upper and lower die cavity 411,421 is formed the cavity that the foaming body shape adapts.
Have at least one die cavity bottom surface 421a (referring to Fig. 6) or 421b (referring to Fig. 7) that is used to lay netted penetrating basic unit 100 or 100a in lower impressions 421.Referring to Fig. 6, when foaming body was taken face and is the plane, the die cavity bottom surface 421a of lower impressions 421 was the plane, and at this moment netted penetrating basic unit 100 also is plane (referring to Fig. 1 and Fig. 4), adopted to be laid on the 421a of die cavity bottom surface with the die cavity bottom surface parallel mode of 421a.Referring to Fig. 7; When foaming body is taken face and is concave surface; The die cavity bottom surface 421b of lower impressions 421 is and the unified convex surface of foaming body moulding; At this moment netted penetrating basic unit is and the netted penetrating 100a of basic unit of the unified curved surface of foaming body moulding that the at this moment netted penetrating 100a of basic unit also adopts with die cavity bottom surface 421b parallel mode and is laid on the 421b of die cavity bottom surface.No matter be mode shown in Figure 6 or mode shown in Figure 7, the die cavity bottom surface 421a or the distance between the 421b of the lower impressions 421 of netted penetrating basic unit 100 or 100a and counterdie 420 are 1～8mm.Be preferably 4～5mm.Its reason is that hypotelorism can influence quality and the travelling comfort that foaming body is taken face, and hypertelorism can reduce heating properties again, makes to heat slowly, and perhaps temperature is crossed low etc.
In the forming process of body of firing; Since flowing of foaming body, the influence of the aspects such as temperature and pressure variation in the die cavity, and netted penetrating basic unit 100 or 100a be not as carrying out the localization process of relative counterdie 420; In the time of will causing producing; Netted penetrating basic unit 100 or 100a depart from default position, or the internal deviation foaming body that collapses over foaming body takes face, and therefore this netted penetrating basic unit 100 or 100a should locate with respect to counterdie 420 and foaming body.Netted penetrating basic unit 100 or 100a are provided with some fixed parts 110 or 110a, referring to Fig. 1, Fig. 4 and Fig. 5, on netted penetrating basic unit 100 or four angles of 100a, respectively are furnished with a fixed parts 110 or 110a.Referring to Fig. 6; Fixed parts 110 on 100 4 angles of corresponding netted penetrating basic unit; On the die cavity bottom surface 421a of the lower impressions 421 of counterdie 420, also be provided with four fixed partss 430 accordingly; When netted penetrating basic unit 100 was laid on the 421a of die cavity bottom surface, four fixed partss 110 and four fixed partss 430 connected one to one like this.In like manner referring to Fig. 7; Fixed parts 110a on four angles of the corresponding netted penetrating 100a of basic unit; On the die cavity bottom surface 421b of the lower impressions 421 of counterdie 420, also be provided with four fixed parts 430a accordingly; When the netted penetrating 100a of basic unit was laid on the 421b of die cavity bottom surface, four fixed parts 110a and four fixed parts 430a connected one to one like this.
Fixed parts 110 or 110a and fixed parts 430 or 430a have a variety of structures and connection mode; Like fixed parts 110 or 110a is locating dowel pin; Fixed parts 430 or 430a are locating bush, and fixed parts 110 or 110a are inserted among fixed parts 430 or the 430a and can netted penetrating basic unit 100 or 100a be positioned on die cavity bottom surface 421a or the 421b.Perhaps fixed parts 110 or 110a are locating bush, and fixed parts 430 or 430a are locating dowel pin, and fixed parts 430 or 430a are inserted among fixed parts 110 or the 110a and can netted penetrating basic unit 100 or 100a be positioned on die cavity bottom surface 421a or the 421b.Perhaps fixed parts 110 or 110a are bail; Fixed parts 430 or 430a are the bail hole that is opened on die cavity bottom surface 421a or the 421b, and fixed parts 110 or 110a are inserted among fixed parts 430 or the 430a and can netted penetrating basic unit 100 or 100a be positioned on die cavity bottom surface 421a or the 421b.Perhaps fixed parts 100 or 100a and fixed parts 430 or 430a are different in nature magnet, through the principle that there is a natural attraction between the sexes fixed parts 100 or 100a and fixed parts 430 or 430a are held each other.Perhaps fixed parts 100 or 100a and fixed parts 430 or 430a are thread gluing bar (VELCRO VELCRO), through mutual bonding fixed parts 100 or 100a and fixed parts 430 or 430a are clung each other.Perhaps fixed parts 100 or 100a and fixed parts 430 or 430a box and pin each other fastens each other.In order to guarantee netted penetrating basic unit 100 or the 100a position in the lower impressions 421 of counterdie 420, spray respective color or design other characteristics at fixed parts 430 or 430a position.
Referring to Fig. 8; Be laid on die cavity bottom surface 421a or the 421b of lower impressions 421 of counterdie 420 at netted penetrating basic unit 100 or 100a after; The pig-tail wire 240 of heating arrangement is drawn by the die joint between patrix 410 and the counterdie 420; In the production process of foaming body, owing to need under the relative fully enclosed environment behind upper and lower mould 410,420 matched moulds, carry out the fluid injection foaming to mould, any hole will cause the outside overflow of expanding foam solution and foam.Therefore the pig-tail wire 240 of heating arrangement can not adopt common unsealed forms such as poling, like this will be owing to the cavity that exists in the poling forms the outer overflow hole of mould.Therefore, the pig-tail wire 240 of the heating arrangement among the present invention will adopt blocking solution osed top version.Preferably, the pig-tail wire 240 of heating arrangement adopts plastic cement or the solid sheath of rubber to be drawn by the wire harness guide groove 440,450 that is arranged on the upper and lower mould 410,420.
(5) after netted penetrating basic unit 100 lays, spraying mold release in the lower impressions 421 of counterdie 420, a circle pours into expanding foam solution with the flow of setting in the lower impressions 421 of counterdie 420 around the lower impressions 421 then; Make foaming can flow to each place in the foaming mould die cavity uniformly.
Expanding foam solution and existing expanding foam solution do not have any difference, mainly comprise ISO partial sum polyether combined material part and some auxiliary agents, and the ISO part can be divided into pure TDI, pure MDI or TDI and MDI mixes, and the kind of polyethers has polyether glycol or polymer polyatomic alcohol.
(6) in the upper impression of patrix 410, spray mold release, then patrix 410 is combined on the counterdie 420, keep the foaming mould temperature between 55 ℃～70 ℃, foamed 3～5 minutes; In the foaming process; Expanding foam solution flows in die cavity, opens patrix 410 behind the foaming, takes out the foaming body 500 (referring to Figure 10) that contains heating arrangement; Wherein the pig-tail wire 240 of heating arrangement is carried out follow-up crimping after drawing the outside through foaming body 500 rear ends again, and links to each other with wire harness.
Referring to Figure 11 and Figure 12, the foaming body 500 that contains heating arrangement can be front-row seats of vehicle cushion foaming body 300, front-row seats of vehicle backrest foaming body 300a, back seat cushion foaming body 600, back seat backrest foaming body 600a.
More than show and described groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification sheets just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (43)
1. the foaming body of band heating arrangement comprises foaming body and the heating arrangement that is arranged in the said foaming body face of taking near foaming body, it is characterized in that said heating arrangement comprises netted penetrating basic unit and is configured in the heating arrangement in the said netted penetrating basic unit.
2. the foaming body of band heating arrangement as claimed in claim 1 is characterized in that, said netted penetrating basic unit is meant and adopts fiberglass gridding cloth, foraminous woven cloth, perforated nonwoven fabrics or many gapping intervals knitting to process.
3. the foaming body of band heating arrangement as claimed in claim 2 is characterized in that, said many gapping intervals knitting is a nylon mesh grid.
4. the foaming body of band heating arrangement as claimed in claim 1 is characterized in that, said netted penetrating basic unit has some mesh, and each mesh size is 4*4mm～10*10mm.
5. the foaming body of band heating arrangement as claimed in claim 1 is characterized in that, said netted penetrating basic unit has some mesh, and each mesh size is 5*5mm.
6. the foaming body of band heating arrangement as claimed in claim 1 is characterized in that, the netted penetrating basic unit of said preparation has and the unified curved surface of said foaming body moulding.
7. the foaming body of band heating arrangement as claimed in claim 1 is characterized in that, said heating arrangement be arranged in said netted penetrating basic unit deviate from foaming body take face that the one side on.
8. like the foaming body of the described band heating arrangement of each claim of claim 1 to 7, it is characterized in that said heating arrangement includes the heater element that is arranged in the said netted penetrating basic unit.
9. the foaming body of band heating arrangement as claimed in claim 8 is characterized in that, said heater element is the alloy heater strip that has the insulated heat cover.
10. the foaming body of band heating arrangement as claimed in claim 9 is characterized in that, said alloy heater strip is the non-rectilinear mode and is arranged in the said netted penetrating basic unit.
11. the foaming body of band heating arrangement as claimed in claim 10 is characterized in that, said non-rectilinear mode is sine curve mode or serpentine curve mode.
12. the foaming body of band heating arrangement as claimed in claim 9 is characterized in that, said alloy heater strip is stainless steel wire or stranded copper wire.
13. the foaming body of band heating arrangement as claimed in claim 8 is characterized in that, said heating arrangement also comprise one with the series connected thermal protector of said heater element.
14. the foaming body of band heating arrangement as claimed in claim 13 is characterized in that, said thermal protector is the passive temperature control body or the NTC resister of bi-metal temperature control.
15. the foaming body of band heating arrangement as claimed in claim 13; It is characterized in that; Said heating arrangement also comprise one with the series connected pressure sensor of said heater element; Have only when on the seat occupant being arranged, pressure sensor could be connected heater element, to avoid heater element by the possibility of maloperation.
16. the foaming body of band heating arrangement as claimed in claim 1 is characterized in that, described foaming body is the cushion foaming body of front-row seats of vehicle, the backrest foaming body of front-row seats, the cushion foaming body or the back seat backrest foaming body of back seat.
17. the manufacture craft with the foaming body of heating arrangement is characterized in that, is made up of following steps:
(1), prepares netted penetrating basic unit, some first fixed partss of configuration in said netted penetrating basic unit;
(2), in said netted penetrating basic unit, dispose heating arrangement;
(3), preparation foaming mould; This foaming mould has upper die and lower die; Said patrix has a upper impression; Said counterdie has die cavity, and wherein said upper and lower die cavity is formed the shape that said foaming body adapts, and has at least one die cavity bottom surface that is used to lay said netted penetrating basic unit in said lower impressions; On said die cavity bottom surface, dispose some second fixed partss in order to fixing said netted penetrating basic unit, said second fixed parts becomes one-to-one relationship with said first fixed parts;
(4) the netted penetrating basic unit of step (1) preparation is laid on the die cavity bottom surface of lower impressions of the said counterdie of step (3), and will first fixed parts in the said netted penetrating basic unit be connected one to one with second fixed parts formation on the die cavity bottom surface; Simultaneously the pig-tail wire of heating arrangement is drawn by the die joint between said patrix and the counterdie;
(5) in the lower impressions of counterdie, spray mold release, then along predefined path with the flow set mo(u)ld bottom half intra-bladder instillation expanding foam solution to counterdie;
(6) in the upper impression of patrix, spray mold release, then patrix is combined on the counterdie, keep the foaming mould temperature between 55 ℃～70 ℃, foamed 3～5 minutes; Foaming is opened patrix after finishing, and takes out the foaming body that contains said heating arrangement, and the pig-tail wire of wherein said heating arrangement is carried out follow-up crimping after drawing the outside through said foaming body rear end again, and links to each other with wire harness.
18. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (1), the netted penetrating basic unit of said preparation is meant and adopts fiberglass gridding cloth, foraminous woven cloth, perforated nonwoven fabrics or many gapping intervals knitting to process.
19. manufacture craft as claimed in claim 18 is characterized in that, said many gapping intervals knitting is a nylon mesh grid.
20. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (1), the netted penetrating basic unit of said preparation has some mesh, and each mesh size is 4*4mm～10*10mm.
21. manufacture craft as claimed in claim 17 is characterized in that, each mesh size is 5*5mm.
22., it is characterized in that in step of the present invention (1), the netted penetrating basic unit of said preparation is made into and the unified curved surface of said foaming body moulding like the described manufacture craft of each claim of claim 17 to 21.
23. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (2), said heating arrangement be arranged in said netted penetrating basic unit deviate from foaming body take face that the one side on.
24. manufacture craft as claimed in claim 17 is characterized in that, said heating arrangement includes the heater element that is arranged in the said netted penetrating basic unit.
25. manufacture craft as claimed in claim 24 is characterized in that, said heater element is the alloy heater strip that has the insulated heat cover.
26. manufacture craft as claimed in claim 25 is characterized in that, said alloy heater strip is the non-rectilinear mode and is arranged in the said netted penetrating basic unit.
27. manufacture craft as claimed in claim 26 is characterized in that, said non-rectilinear mode is sine curve mode or serpentine curve mode.
28. manufacture craft as claimed in claim 25 is characterized in that, said alloy heater strip is stainless steel wire or stranded copper wire.
29. like the described manufacture craft of each claim of claim 24 to 28; It is characterized in that; Said heating arrangement also comprise one with the series connected thermal protector of said heater element, this thermal protector in order to perception should the zone temperature variations and carry out corresponding temperature control, can automatic shutoff circuit after arriving target temperature; Play the control temperature, the effect of protective circuit.
30. manufacture craft as claimed in claim 29 is characterized in that, said thermal protector is the passive temperature control body or the NTC resister of bi-metal temperature control.
31. manufacture craft as claimed in claim 29; It is characterized in that, said heating arrangement also comprise one with the series connected pressure sensor of said heater element, have only when on the seat occupant being arranged; Pressure sensor could be connected heater element, to avoid heater element by the possibility of maloperation.
32. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (3), said first fixed parts is arranged on four angles of said netted penetrating basic unit.
33. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (3), the distance between the die cavity bottom surface of the lower impressions of said netted penetrating basic unit and said counterdie is 1～8mm.
34. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (3), the distance between the die cavity bottom surface of the lower impressions of said netted penetrating basic unit and said counterdie is 4～5mm.
35. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (3), said first fixed parts is locating dowel pin or locating bush, and said second fixed parts is locating bush or locating dowel pin, and said locating dowel pin inserts in the said locating bush.
36. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (3), said first fixed parts is a bail, and said second fixed parts is the bail hole that is opened on the said die cavity bottom surface.
37. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (3), said first fixed parts and second fixed parts are different in nature magnet.
38. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (3), said first fixed parts and second fixed parts are the thread gluing bar.
39. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (3), said first fixed parts and second fixed parts be box and pin each other.
40. manufacture craft as claimed in claim 17 is characterized in that, in step of the present invention (4), the pig-tail wire of said heating arrangement will adopt blocking solution osed top version.
41. manufacture craft as claimed in claim 40 is characterized in that, in step of the present invention (4), the pig-tail wire of said heating arrangement adopts plastic cement or the solid sheath of rubber to be drawn by the wire harness guide groove that is arranged on the upper and lower mould.
42. manufacture craft as claimed in claim 17; It is characterized in that; In step of the present invention (5), said being meant along predefined path along lower impressions evenly cast of a circle all around makes foaming can flow to each place in the foaming mould die cavity uniformly.
43. manufacture craft as claimed in claim 17; It is characterized in that; In step of the present invention (5), described foaming body is the cushion foaming body of front-row seats of vehicle, the backrest foaming body of front-row seats, the cushion foaming body or the back seat backrest foaming body of back seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210161126.8A CN102689607B (en) | 2012-05-22 | 2012-05-22 | Foaming body with heating device and producing process of foaming body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210161126.8A CN102689607B (en) | 2012-05-22 | 2012-05-22 | Foaming body with heating device and producing process of foaming body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102689607A true CN102689607A (en) | 2012-09-26 |
| CN102689607B CN102689607B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210161126.8A Active CN102689607B (en) | 2012-05-22 | 2012-05-22 | Foaming body with heating device and producing process of foaming body |
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| CN (1) | CN102689607B (en) |
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| CN105636827A (en) * | 2013-10-10 | 2016-06-01 | 提爱思科技股份有限公司 | Vehicle seat |
| CN108724580A (en) * | 2017-04-14 | 2018-11-02 | 丰田纺织株式会社 | Method for manufacturing cushion material and foaming mould |
| CN110709221A (en) * | 2017-06-08 | 2020-01-17 | 马瑞利株式会社 | Foam molding method, foam molded article, and method for producing same |
| CN111655535A (en) * | 2018-01-30 | 2020-09-11 | 奥迪股份公司 | Foam part for a motor vehicle seat with seat occupancy detection and method for the production thereof |
| WO2023039122A1 (en) * | 2021-09-13 | 2023-03-16 | Sears Manufacturing Co. | Magnetic heated seat device |
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| CN105636827A (en) * | 2013-10-10 | 2016-06-01 | 提爱思科技股份有限公司 | Vehicle seat |
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| CN111655535B (en) * | 2018-01-30 | 2022-11-01 | 奥迪股份公司 | Foam part for a motor vehicle seat with seat occupancy detection and method for the production thereof |
| WO2023039122A1 (en) * | 2021-09-13 | 2023-03-16 | Sears Manufacturing Co. | Magnetic heated seat device |
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|---|---|
| CN102689607B (en) | 2015-06-17 |
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Address after: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Patentee after: Yanfeng Daotuo Ann seat Co. Address before: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Patentee before: Shanghai Yanfeng Johnson Controls Seating Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 669, kang'an Road, Kangqiao Industrial Zone, Pudong New Area, Shanghai 201300 Patentee after: Yanfeng international Seat System Co.,Ltd. Address before: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Patentee before: YANFENG ADIENT SEATING Co.,Ltd. |