CN102689607B - 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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- CN102689607B CN102689607B CN201210161126.8A CN201210161126A CN102689607B CN 102689607 B CN102689607 B CN 102689607B CN 201210161126 A CN201210161126 A CN 201210161126A CN 102689607 B CN102689607 B CN 102689607B
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- foaming body
- basic unit
- heating arrangement
- foaming
- fixed parts
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Classifications
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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
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 seating art field, refer more particularly to a kind of heating arrangement and the integrated seating art field of foaming body, needing to be with the automotive seating art field of heating system in particular to being applicable to adopt surface cover to cohere method technique (Bonding Process), being specifically related to a kind of foaming body with heating arrangement and manufacture craft thereof.
Background technology
Along with auto-industry make rapid progress, the continuous renewal of automotive seat, traditional surface cover hangs tight the needs that mode is not enough to meet moulding, therefore surface cover is directly pasted by glue with foaming, then will more and more be used by the technique (cohering method technique Bonding Process) of high-temperature steam shaping.But this technique limits the use of conventional pads.
The heating system of general automotive seat is all be fixed on foaming body by Acrylic Foam Tape to take in one side, and this mode is very high to packing requirements, and off-square installation can cause heating function abnormal, even causes seat to damage, the accident of injury to personnel; Meanwhile, in use, by the effect of the friction force of human body and seat surface sleeve, the inner heating cushion of seat produces shear force with foaming, causes heating cushion to be shifted, gauffer, bends, affect the service life of heating cushion.
Summary of the invention
One of technical matters to be solved by this invention is for the problem existing for the heating system method for making of existing automotive seat and provides a kind of foaming body with heating arrangement, with solve cohere normal plane cover cladding process with conventional pads, the problem of conflicting is installed.This invention, without the need to installing heating cushion, avoids the problems such as the heating function inefficacy that location tolerance causes.Reduce seat easily causes heating cushion to be shifted owing to rubbing simultaneously in later stage use procedure, gauffer, bending grade for failure risk.
Two of technical matters to be solved by this invention is the manufacture craft of the foaming body providing a kind of above-mentioned band heating arrangement.
As the foaming body of the band heating arrangement of first aspect present invention, comprise foaming body and be arranged on the heating arrangement taking face in described foaming body near foaming body, it is characterized in that, described heating arrangement comprises netted penetrating basic unit and is configured in the heating arrangement in described netted penetrating basic unit.
Described netted penetrating basic unit refer to adopt that fiberglass gridding cloth, porous needle are weaved cotton cloth, perforated nonwoven fabrics or many gapping intervals knitting make.
Described many gapping intervals knitting is nylon mesh grid.
Described 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 described preparation has the curved surface unified with described foaming body moulding.
Described heating arrangement is arranged in described netted penetrating basic unit to deviate from foaming body and takes in the side in face.
Described heating arrangement includes the heater element be arranged in described netted penetrating basic unit.
Described heater element is the alloy heater strip with insulated heat cover.
Described alloy heater strip is that non-linear manner is arranged in described netted penetrating basic unit.Can eliminate heating arrangement like this and bend the stress caused, protection alloy heater strip is not pulled off.
Described non-linear manner is sinusoidal fashion or serpentine curve mode.
Described alloy heater strip is stainless steel wire or stranded copper wire.
Described heating arrangement also comprises a thermal protector of connecting with described heater element; this thermal protector in order to this region of perception temperature variations and carry out corresponding temperature control; can automatic shutoff circuit after arrival target temperature, play control temperature, the effect of protective circuit.
Described thermal protector is passive temperature control body or the NTC resister of bi-metal temperature control.
Described heating arrangement also comprises a pressure sensor of connecting with described heater element, and only have when seat there being occupant, heater element could be connected by pressure sensor, the possibility be misused to avoid heater element.
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 of back seat or back seat backrest foaming body.
Technical matters to be solved by this invention can be achieved through the following technical solutions:
As the manufacture craft of the foaming body of the band heating arrangement of second aspect present invention, be made up of following steps:
(1), prepare netted penetrating basic unit, described netted penetrating basic unit configures some first fixed partss;
(2), in described netted penetrating basic unit, heating arrangement is configured;
(3), foaming mould is prepared, this foaming mould has upper die and lower die, described patrix has a upper impression, described counterdie has die cavity, wherein said upper and lower die cavity forms the shape that described foaming body adapts, in described lower impressions, there is at least one die cavity bottom surface for laying described netted penetrating basic unit, described die cavity bottom surface is configured with some second fixed partss in order to fixing described netted penetrating basic unit, and described second fixed parts becomes one-to-one relationship with described first fixed parts;
(4) netted penetrating basic unit prepared by step (1) is laid on the die cavity bottom surface of lower impressions of step (3) described counterdie, and the first fixed parts in described netted penetrating basic unit is formed with the second fixed parts on die cavity bottom surface is connected one to one; The pig-tail wire of heating arrangement is drawn by the die joint between described patrix and counterdie simultaneously;
(5) in the lower impressions of counterdie, spray mold release, then along the path preset with the flow of setting to the mo(u)ld bottom half intra-bladder instillation expanding foam solution of counterdie;
(6) in the upper impression of patrix, spray mold release, then patrix is combined on counterdie, keep foaming mould temperature between 55 DEG C ~ 70 DEG C, foam 3 ~ 5 minutes; Open patrix after foaming terminates, take out the foaming body containing described heating arrangement, the pig-tail wire of wherein said heating arrangement by carrying out follow-up crimping again behind extraction outside, described foaming body rear end, and is connected with wire harness.
In step of the present invention (1), the netted penetrating basic unit of described preparation refer to adopt that fiberglass gridding cloth, porous needle are weaved cotton cloth, perforated nonwoven fabrics or many gapping intervals knitting make.
Described many gapping intervals knitting is nylon mesh grid.
In step of the present invention (1), the netted penetrating basic unit of described 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 described preparation is made into the curved surface unified with described foaming body moulding.
In step of the present invention (2), described heating arrangement is arranged in described netted penetrating basic unit to deviate from foaming body and takes in the side in face.
Described heating arrangement includes the heater element be arranged in described netted penetrating basic unit.
Described heater element is the alloy heater strip with insulated heat cover.
Described alloy heater strip is that non-linear manner is arranged in described netted penetrating basic unit.Can eliminate heating arrangement like this and bend the stress caused, protection alloy heater strip is not pulled off.
Described non-linear manner is sinusoidal fashion or serpentine curve mode.
Described alloy heater strip is stainless steel wire or stranded copper wire.
Described heating arrangement also comprises a thermal protector of connecting with described heater element; this thermal protector in order to this region of perception temperature variations and carry out corresponding temperature control; can automatic shutoff circuit after arrival target temperature, play control temperature, the effect of protective circuit.
Described thermal protector is passive temperature control body or the NTC resister of bi-metal temperature control.
Described heating arrangement also comprises a pressure sensor of connecting with described heater element, and only have when seat there being occupant, heater element could be connected by pressure sensor, the possibility be misused to avoid heater element.
In step of the present invention (3), described first fixed parts is arranged on described netted penetrating basic unit four angles.
In step of the present invention (3), the distance between the die cavity bottom surface of the lower impressions of described netted penetrating basic unit and described counterdie is 1 ~ 8mm.Be preferably 4 ~ 5mm.Its reason is quality and the travelling comfort that hypotelorism can affect that foaming body takes face, and hypertelorism can reduce heating properties again, makes to heat slow, or temperature is too low etc.
In step of the present invention (3), described first fixed parts is locating dowel pin or locating bush, and described second fixed parts is locating bush or locating dowel pin, and described locating dowel pin inserts in described locating bush.
In step of the present invention (3), described first fixed parts is bail, and described second fixed parts is be opened in the bail hole on described die cavity bottom surface.
In step of the present invention (3), described first fixed parts and the second fixed parts are different in nature magnet.
In step of the present invention (3), described first fixed parts and the second fixed parts are thread gluing bar (VELCRO VELCRO).
In step of the present invention (3), described first fixed parts and the second fixed parts box and pin each other.
In step of the present invention (5), the described path along presetting refers to that each that foaming is flow in foaming mould die cavity uniformly is local along the evenly cast of lower impressions four circle Monday.
In the production process of foaming body, under needing the relatively airtight environment after upper and lower mould matched moulds, carry out 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 the unsealed forms such as common poling, will be formed the overflow hole outside mould like this due to the cavity existed in poling.Therefore, the pig-tail wire of the heating arrangement in the present invention is by version closed for employing blocking solution.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 slot be arranged on 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 of back seat or back seat backrest foaming body.
Owing to have employed technical scheme as above, the foaming body of the band heating arrangement that the present invention makes solves the novel normal plane cover cladding process that coheres and installs the problem of conflicting with conventional pads.The foaming body later stage, without the need to installing heating cushion, avoids the problems such as the heating function inefficacy that location tolerance causes.Reduce seat easily causes heating cushion to be shifted owing to rubbing in later stage use procedure, gauffer, bending grade for failure risk, breaches the traditional form of seat heating pad in the past.
Adopt product of the present invention and technology application, effectively can solve the supporting integration problem of the heating arrangement of described Chain cushion/integrated chair type of backrest foaming body, achieve the electric heating function that this type of seat can realize low cost equally.
Due to heating arrangement and cushion/backrest foaming body fully integrated be same structure body, make this heating arrangement foaming body body be provided with higher Structural Integrity, conventional art product has higher resistance and durable stability.
Heating arrangement of the present invention realizes the temperature control of heating arrangement by simple design, the function of protective circuit.By increasing pressure sensor on circuit, realizing occupant detecting function, only just activating heating function when there being occupant.Also more safe and reliable while saving electric energy, avoid heating arrangement maloperation to cause adverse consequences.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation being configured with the netted penetrating basic unit of heating arrangement of the present invention.
Fig. 2 is alloy heater strip of the present invention is the structural representation that sinusoidal fashion is arranged in netted penetrating basic unit.
Fig. 3 is alloy heater strip of the present invention is the structural representation that serpentine curve mode is arranged in netted penetrating basic unit.
Fig. 4 is the structural representation that the present invention's another kind is configured with the netted penetrating basic unit of heating arrangement.
Fig. 5 is the structural representation that preformation that the present invention is configured with heating arrangement is formed into the netted penetrating basic unit of curved surface.
Fig. 6 is arranged in the structural representation in foaming mould for the netted penetrating basic unit being configured with heating arrangement shown in Fig. 1.
Fig. 7 is arranged in the structural representation in foaming mould for netted penetrating basic unit that the preformation being configured with heating arrangement shown in Fig. 5 is formed into curved surface.
Fig. 8 is arranged in the structural representation in foaming mould for the netted penetrating basic unit being configured with heating arrangement shown in Fig. 4.
Fig. 9 is foaming process schematic diagram 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 schematic diagram 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 schematic diagram of back seat.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth embodiments of the present invention further.
A manufacture craft for foaming body with heating arrangement, is made up of following steps:
(1), see Fig. 1 to Fig. 4, prepare netted penetrating basic unit 100, netted penetrating basic unit 100 is made up of netted permeable material, netted permeable material as fiberglass gridding cloth, many gapping intervals knitting, porous needle weave cotton cloth, the material such as perforated nonwoven fabrics, many gapping intervals knitting.Grid cloth needs high temperature resistant, resistance to liquid, high strength, also wants fire-proof insulation simultaneously.Many gapping intervals knitting is the material mesh grids such as nylon.
The size of netted penetrating basic unit 100 mesh is the key determining foaming body quality, space or interval should meet expanding foam solution can realize freely through and flowing, too small mesh size can cause foaming body to take face to lack material unfairness, or occurs the defects such as dark bubble.Excessive mesh size cannot ensure again the fixing of alloy heater strip.Therefore require that the size of mesh is not less than 4*4mm, and 10*10mm can not be greater than, recommend the mesh size of 5*5mm.
When seat moulding has concave character, this netted penetrating basic unit 100 can carry out preform in advance, generates the netted penetrating basic unit 100a(of the curved surface unified with foaming body moulding see Fig. 5).
(2), in netted penetrating basic unit 100 or 100a, heating arrangement is configured; As a rule, it is comparatively near that netted penetrating basic unit 100 or 100a and foaming body take face, presses close to occupant's human body side, rigid structure object therefore should be avoided to take face near seat foaming body, in order to avoid cause the discomfort on human body when taking as far as possible.Therefore, in the present invention, heating arrangement should be configured in and deviates from foaming body and take contrary direction, face.Like this, heating arrangement may cause the rigid structure body of occupant's discomfort can be hidden in the deep layer of cushion foaming body, make it be not easy to be discovered by seat user.
This heating arrangement includes the heater element be arranged on netted penetrating basic unit 100 or 100a.Heater element is the alloy heater strip 210 with insulated heat cover.Alloy heater strip 210 is stainless steel wire or stranded copper wire.Alloy heater strip 210 is arranged on netted penetrating basic unit 100 or 100a (see Fig. 1, Fig. 4 and Fig. 5) in non-linear manner, can eliminate heating arrangement like this and bend the stress caused, and protection alloy heater strip is not pulled off.The non-rectilinear pose pattern that alloy heater strip 210 is conventional has sinusoidal fashion (see Fig. 2) or serpentine curve mode (see Fig. 3) etc.
This heating arrangement also comprises a thermal protector 220(temperature controller of connecting with alloy heater strip 210); its alloy heater strip 210 heat setting regions in order to this region of perception temperature variations and carry out corresponding temperature control; can automatic shutoff circuit after arrival target temperature; play control temperature, the effect of protective circuit.The passive temperature control body that the thermal protector 220 of single grade of temperature adopts bi-metal temperature to control.The thermal protector 220 of many grades of temperature adopts NTC resister (NTC:Negative Temperature Coefficient).Thermal protector 220 generally design forward and backward row's cushion foaming body 300,600 and forward and backward row's backrest foaming body 300a, 600a heating arrangement 310,610, in 310a, 610a, when the heating arrangement of backrest foaming body is not based on cancelling thermal protector 220(during own temperature sense and control technique see Figure 11 and Figure 12).
Heating arrangement also comprises a pressure sensor 230(connected with alloy heater strip 210 see Fig. 4), position is placed in seat H point (Hip Point, chaufeur or the occupant R point at seat position can be determined exactly, the pivot point " across point " that trunk is connected with thigh) near the projected position of heating arrangement, be recommended in centered by this point, within the circumference of 50mm radius.Only have when seat there being occupant, heating arrangement just can be switched on, and avoids the possibility that heating arrangement is misused.General design is in the heating arrangement 310,610 of front-seat cushion foaming body 300 and rear stall pad foaming body 600 (see Figure 11 and Figure 12), and now the heating arrangement 310,610 of forward and backward row's cushion foaming body 300,600 is connected with heating arrangement 310a, 610a of forward and backward backrest foaming body 300a, 600a.When heating arrangement 310,610 that is current, rear stall pad foaming body 300,600 is in parallel with heating arrangement 310a, 610a of forward and backward backrest foaming body 300a, 600a, heating arrangement 310a, 610a of forward and backward backrest foaming body 300a, 600a needs independent design pressure sensor.
(3), foaming mould is prepared, see 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 forms the cavity that foaming body shape adapts.
There is at least one die cavity bottom surface 421a(for laying netted penetrating basic unit 100 or 100a see Fig. 6 in lower impressions 421) or 421b(see Fig. 7).See Fig. 6, when to take face be plane to foaming body, the die cavity bottom surface 421a of lower impressions 421 is plane, and at this moment netted penetrating basic unit 100 is also plane (see Fig. 1 and Fig. 4), adopts the mode parallel with die cavity bottom surface 421a to be laid on the 421a of die cavity bottom surface.See Fig. 7, when to take face be concave surface to foaming body, the die cavity bottom surface 421b of lower impressions 421 is the convex surface unified with foaming body moulding, at this moment netted penetrating basic unit is the netted penetrating basic unit 100a of the curved surface unified with foaming body moulding, and at this moment netted penetrating basic unit 100a also adopts and is laid on the 421b of die cavity bottom surface with die cavity bottom surface 421b parallel mode.No matter be the mode shown in Fig. 6 or the mode shown in Fig. 7, the distance between die cavity bottom surface 421a or 421b of the lower impressions 421 of netted penetrating basic unit 100 or 100a and counterdie 420 is 1 ~ 8mm.Be preferably 4 ~ 5mm.Its reason is quality and the travelling comfort that hypotelorism can affect that foaming body takes face, and hypertelorism can reduce heating properties again, makes to heat slow, or temperature is too low etc.
In the forming process of firing body, due to the flowing of foaming body, the impact of the aspects such as the temperature and pressure change in die cavity, netted penetrating basic unit 100 or 100a be not if carried out the localization process of relative counterdie 420, when will cause producing, netted penetrating basic unit 100 or 100a depart from default position, or the internal deviation foaming body collapsing over foaming body takes face, and therefore this netted penetrating basic unit 100 or 100a should relative to counterdie 420 and foaming body location.Netted penetrating basic unit 100 or 100a are provided with some fixed parts 110 or 110a, see Fig. 1, Fig. 4 and Fig. 5, netted penetrating basic unit 100 or 100a tetra-angles are respectively furnished with a fixed parts 110 or 110a.See Fig. 6, fixed parts 110 on corresponding netted penetrating basic unit 100 4 angles, the die cavity bottom surface 421a of the lower impressions 421 of counterdie 420 is also provided with four fixed partss 430 accordingly, like this when netted penetrating basic unit 100 is laid on the 421a of die cavity bottom surface, four fixed partss 110 and four fixed partss 430 connect one to one.In like manner see Fig. 7, fixed parts 110a on corresponding netted penetrating basic unit 100a tetra-angles, the die cavity bottom surface 421b of the lower impressions 421 of counterdie 420 is also provided with four fixed parts 430a accordingly, like this when netted penetrating basic unit 100a is laid on the 421b of die cavity bottom surface, four fixed parts 110a and four fixed parts 430a connect one to one.
Fixed parts 110 or 110a and fixed parts 430 or 430a have a variety of structure and connection mode, if fixed parts 110 or 110a are locating dowel pin, fixed parts 430 or 430a are locating bush, and fixed parts 110 or 110a are inserted in fixed parts 430 or 430a and netted penetrating basic unit 100 or 100a can be positioned on 421a or 421b of die cavity bottom surface.Or fixed parts 110 or 110a are locating bush, fixed parts 430 or 430a are locating dowel pin, and fixed parts 430 or 430a are inserted in fixed parts 110 or 110a and netted penetrating basic unit 100 or 100a can be positioned on 421a or 421b of die cavity bottom surface.Or fixed parts 110 or 110a are bail, fixed parts 430 or 430a are opened in the bail hole on 421a or 421b of die cavity bottom surface, fixed parts 110 or 110a are inserted in fixed parts 430 or 430a and netted penetrating basic unit 100 or 100a can be positioned on 421a or 421b of die cavity bottom surface.Or fixed parts 100 or 100a and fixed parts 430 or 430a are different in nature magnet, by the principle that there is a natural attraction between the sexes, fixed parts 100 or 100a and fixed parts 430 or 430a are held mutually.Or fixed parts 100 or 100a and fixed parts 430 or 430a are thread gluing bar (VELCRO VELCRO), by bonding mutually, fixed parts 100 or 100a and fixed parts 430 or 430a are clung mutually.Or fixed parts 100 or 100a and fixed parts 430 or 430a box and pin each other, fasten mutually.In order to ensure netted penetrating basic unit 100 or the position of 100a in the lower impressions 421 of counterdie 420, spraying respective color at fixed parts 430 or 430a position or designing other features.
See Fig. 8, after on die cavity bottom surface 421a or 421b being laid on the lower impressions 421 of counterdie 420 in netted penetrating basic unit 100 or 100a, the pig-tail wire 240 of heating arrangement is drawn by the die joint between patrix 410 and counterdie 420, in the production process of foaming body, under needing the relatively airtight environment after upper and lower mould 410,420 matched moulds, carry out 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 the unsealed forms such as common poling, will be formed the overflow hole outside mould like this due to the cavity existed in poling.Therefore, the pig-tail wire 240 of the heating arrangement in the present invention is by version closed for employing blocking solution.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 slot 440,450 be arranged on upper and lower mould 410,420.
(5) after netted penetrating basic unit 100 lays, in the lower impressions 421 of counterdie 420, spray mold release, then in the lower impressions 421 of counterdie 420, pour into expanding foam solution with the flow of setting along lower impressions 421 4 circle Monday; Each that foaming is flow in foaming mould die cavity uniformly is local.
Expanding foam solution and existing expanding foam solution do not have any difference, and mainly comprise ISO part and polyether combined material part and some auxiliary agents, ISO partly can be divided into pure TDI, pure MDI or TDI and MDI to mix, 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 counterdie 420, keep foaming mould temperature between 55 DEG C ~ 70 DEG C, foam 3 ~ 5 minutes; In foaming process, expanding foam solution flows in die cavity, opens patrix 410 after foaming, and the foaming body 500(of taking-up containing heating arrangement is see Figure 10), wherein the pig-tail wire 240 of heating arrangement is by carrying out follow-up crimping again behind extraction outside, foaming body 500 rear end, and is connected with wire harness.
See Figure 11 and Figure 12, the foaming body 500 containing heating arrangement can be front-row seats of vehicle cushion foaming body 300, automobile front row chair backrest foaming body 300a, back seat cushion foaming body 600, back seat backrest foaming body 600a.
More than show and describe 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; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (39)
1. be with the foaming body of heating arrangement, comprise foaming body and be arranged on the heating arrangement taking face in described foaming body near foaming body, it is characterized in that, described heating arrangement comprises netted penetrating basic unit and is configured in the heating arrangement in described netted penetrating basic unit, described netted penetrating basic unit carries out preform, generates the curved surface unified with described foaming body moulding, described heating arrangement is arranged in described netted penetrating basic unit to deviate from foaming body and takes in the side in face, described netted penetrating basic unit configures some the first fixed partss in order to locate in a mold, foaming mould has upper die and lower die, the die cavity bottom surface of the lower impressions of described counterdie is configured with some second fixed partss in order to fixing described netted penetrating basic unit, described second fixed parts becomes one-to-one relationship with described first fixed parts, the first fixed parts in netted penetrating basic unit and the second fixed parts on the die cavity bottom surface of described lower impressions form to be connected one to one to foam in a mold and form described foaming body.
2. the foaming body of band heating arrangement as claimed in claim 1, is characterized in that, described netted penetrating basic unit refer to adopt fiberglass gridding cloth, porous needle is weaved cotton cloth, perforated nonwoven fabrics or many gapping intervals knitting are made.
3. the foaming body of band heating arrangement as claimed in claim 2, it is characterized in that, described many gapping intervals knitting is nylon mesh grid.
4. the foaming body of band heating arrangement as claimed in claim 1, it is characterized in that, described 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, it is characterized in that, described netted penetrating basic unit has some mesh, and each mesh size is 5*5mm.
6. the foaming body of the band heating arrangement as described in any one of claim 1 to 5 claim, is characterized in that, described heating arrangement includes the heater element be arranged in described netted penetrating basic unit.
7. the foaming body of band heating arrangement as claimed in claim 6, is characterized in that, described heater element is the alloy heater strip with insulated heat cover.
8. the foaming body of band heating arrangement as claimed in claim 7, it is characterized in that, described alloy heater strip is that non-linear manner is arranged in described netted penetrating basic unit.
9. the foaming body of band heating arrangement as claimed in claim 8, it is characterized in that, described non-linear manner is sinusoidal fashion or serpentine curve mode.
10. the foaming body of band heating arrangement as claimed in claim 7, it is characterized in that, described alloy heater strip is stainless steel wire or stranded copper wire.
The foaming body of 11. band heating arrangements as claimed in claim 6, it is characterized in that, described heating arrangement also comprises a thermal protector of connecting with described heater element.
The foaming body of 12. band heating arrangements as claimed in claim 11, is characterized in that, described thermal protector is passive temperature control body or the NTC resister of bi-metal temperature control.
The foaming body of 13. band heating arrangements as claimed in claim 11, it is characterized in that, described heating arrangement also comprises a pressure sensor of connecting with described heater element, only have when seat there being occupant, heater element could be connected by pressure sensor, the possibility be misused to avoid heater element.
The foaming bodies of 14. as claimed in claim 1 band heating arrangements, 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 of back seat or back seat backrest foaming body.
The manufacture craft of 15. 1 kinds of foaming bodies with heating arrangement, is characterized in that, is made up of following steps:
(1), prepare netted penetrating basic unit, described netted penetrating basic unit configures some first fixed partss; Described netted penetrating basic unit carries out preform, generates the curved surface unified with described foaming body moulding;
(2), in described netted penetrating basic unit, heating arrangement is configured; Described heating arrangement is arranged in described netted penetrating basic unit to deviate from foaming body and takes in the side in face
(3), foaming mould is prepared, this foaming mould has upper die and lower die, described patrix has a upper impression, described counterdie has die cavity, wherein said upper and lower die cavity forms the shape that described foaming body adapts, in described lower impressions, there is at least one die cavity bottom surface for laying described netted penetrating basic unit, described die cavity bottom surface is configured with some second fixed partss in order to fixing described netted penetrating basic unit, and described second fixed parts becomes one-to-one relationship with described first fixed parts;
(4) netted penetrating basic unit prepared by step (1) is laid on the die cavity bottom surface of lower impressions of step (3) described counterdie, and the first fixed parts in described netted penetrating basic unit is formed with the second fixed parts on die cavity bottom surface is connected one to one; The pig-tail wire of heating arrangement is drawn by the die joint between described patrix and counterdie simultaneously;
(5) in the lower impressions of counterdie, spray mold release, then along the path preset with the flow of setting to the mo(u)ld bottom half intra-bladder instillation expanding foam solution of counterdie;
(6) in the upper impression of patrix, spray mold release, then patrix is combined on counterdie, keep foaming mould temperature between 55 DEG C ~ 70 DEG C, foam 3 ~ 5 minutes; Open patrix after foaming terminates, take out the foaming body containing described heating arrangement, the pig-tail wire of wherein said heating arrangement by carrying out follow-up crimping again behind extraction outside, described foaming body rear end, and is connected with wire harness.
16. manufacture crafts as claimed in claim 15, is characterized in that, in step (1), the netted penetrating basic unit of described preparation refer to adopt that fiberglass gridding cloth, porous needle are weaved cotton cloth, perforated nonwoven fabrics or many gapping intervals knitting make.
17. manufacture crafts as claimed in claim 16, it is characterized in that, described many gapping intervals knitting is nylon mesh grid.
18. manufacture crafts as claimed in claim 15, is characterized in that, in step (1), the netted penetrating basic unit of described preparation has some mesh, and each mesh size is 4*4mm ~ 10*10mm.
19. manufacture crafts as claimed in claim 15, it is characterized in that, each mesh size is 5*5mm.
20. manufacture crafts as claimed in claim 15, is characterized in that, described heating arrangement includes the heater element be arranged in described netted penetrating basic unit.
21. manufacture crafts as claimed in claim 20, is characterized in that, described heater element is the alloy heater strip with insulated heat cover.
22. manufacture crafts as claimed in claim 21, is characterized in that, described alloy heater strip is that non-linear manner is arranged in described netted penetrating basic unit.
23. manufacture crafts as claimed in claim 22, is characterized in that, described non-linear manner is sinusoidal fashion or serpentine curve mode.
24. manufacture crafts as claimed in claim 21, it is characterized in that, described alloy heater strip is stainless steel wire or stranded copper wire.
25. manufacture crafts as described in any one of claim 20 to 24 claim; it is characterized in that; described heating arrangement also comprises a thermal protector of connecting with described heater element; this thermal protector in order to this region of perception temperature variations and carry out corresponding temperature control; can automatic shutoff circuit after arrival target temperature; play control temperature, the effect of protective circuit.
26. manufacture crafts as claimed in claim 25, is characterized in that, described thermal protector is passive temperature control body or the NTC resister of bi-metal temperature control.
27. manufacture crafts as claimed in claim 25, it is characterized in that, described heating arrangement also comprises a pressure sensor of connecting with described heater element, only has when seat there being occupant, heater element could be connected by pressure sensor, the possibility be misused to avoid heater element.
28. manufacture crafts as claimed in claim 15, is characterized in that, in step (3), described first fixed parts is arranged on described netted penetrating basic unit four angles.
29. manufacture crafts as claimed in claim 15, is characterized in that, in step (3), the distance between the die cavity bottom surface of the lower impressions of described netted penetrating basic unit and described counterdie is 1 ~ 8mm.
30. manufacture crafts as claimed in claim 15, is characterized in that, in step (3), the distance between the die cavity bottom surface of the lower impressions of described netted penetrating basic unit and described counterdie is 4 ~ 5mm.
31. manufacture crafts as claimed in claim 15, is characterized in that, in step (3), described first fixed parts is locating dowel pin or locating bush, and described second fixed parts is locating bush or locating dowel pin, and described locating dowel pin inserts in described locating bush.
32. manufacture crafts as claimed in claim 15, it is characterized in that, in step (3), described first fixed parts is bail, described second fixed parts is be opened in the bail hole on described die cavity bottom surface.
33. manufacture crafts as claimed in claim 15, is characterized in that, in step (3), described first fixed parts and the second fixed parts are different in nature magnet.
34. manufacture crafts as claimed in claim 15, is characterized in that, in step (3), described first fixed parts and the second fixed parts are thread gluing bar.
35. manufacture crafts as claimed in claim 15, is characterized in that, in step (3), and described first fixed parts and the second fixed parts box and pin each other.
36. manufacture crafts as claimed in claim 15, is characterized in that, in step (4), the pig-tail wire of described heating arrangement is by version closed for employing blocking solution.
37. manufacture crafts as claimed in claim 36, is characterized in that, in step (4), the pig-tail wire of described heating arrangement adopts plastic cement or the solid sheath of rubber to be drawn by the wire harness guide slot be arranged on upper and lower mould.
38. manufacture crafts as claimed in claim 15, it is characterized in that, in step (5), the described path along presetting refers to that each that foaming is flow in foaming mould die cavity uniformly is local along the evenly cast of lower impressions four circle Monday.
39. manufacture crafts as claimed in claim 15, it is characterized in that, in step (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 of back seat or back seat backrest foaming body.
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 |
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| CN102689607A CN102689607A (en) | 2012-09-26 |
| CN102689607B true 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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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6177653B2 (en) * | 2013-10-10 | 2017-08-09 | テイ・エス テック株式会社 | Vehicle seat |
| JP6866740B2 (en) | 2017-04-14 | 2021-04-28 | トヨタ紡織株式会社 | Manufacturing method of seat cushion material and foam mold for manufacturing |
| WO2018225490A1 (en) * | 2017-06-08 | 2018-12-13 | カルソニックカンセイ株式会社 | Foam molding method, foam molded article, and method for manufacturing foam molded article |
| DE102018201409A1 (en) * | 2018-01-30 | 2019-08-01 | Audi Ag | Foam part of a motor vehicle seat with seat occupancy recognition and method for producing such |
| WO2023039122A1 (en) * | 2021-09-13 | 2023-03-16 | Sears Manufacturing Co. | Magnetic heated seat device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869550A (en) * | 1987-02-09 | 1989-09-26 | Warme- Und Elektrotechnik B. Ruthenberg Gmbh | Flat heater for incorporation in seats of vehicles |
| CN1487772A (en) * | 2002-09-04 | 2004-04-07 | 松下电器产业株式会社 | Chair with heating means and producing method thereof |
| US7134715B1 (en) * | 2000-07-17 | 2006-11-14 | Kongsberg Automotive Ab | Vehicle seat heating arrangement |
| JP2007134341A (en) * | 2006-11-30 | 2007-05-31 | Matsushita Electric Ind Co Ltd | Plane heating element |
| FR2935290A1 (en) * | 2008-09-04 | 2010-03-05 | Faurecia Sieges Automobile | Seat cushion forming method for motor vehicle, involves demolding polyurethane padding formed by foam layer and complex, withdrawing protector film, and fixing covering on padding by using heat seal material layer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100519130C (en) * | 2004-12-09 | 2009-07-29 | 株式会社丰和化成 | Method for forming foam-forming-body with surface layer and device thereof |
-
2012
- 2012-05-22 CN CN201210161126.8A patent/CN102689607B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869550A (en) * | 1987-02-09 | 1989-09-26 | Warme- Und Elektrotechnik B. Ruthenberg Gmbh | Flat heater for incorporation in seats of vehicles |
| US7134715B1 (en) * | 2000-07-17 | 2006-11-14 | Kongsberg Automotive Ab | Vehicle seat heating arrangement |
| CN1487772A (en) * | 2002-09-04 | 2004-04-07 | 松下电器产业株式会社 | Chair with heating means and producing method thereof |
| JP2007134341A (en) * | 2006-11-30 | 2007-05-31 | Matsushita Electric Ind Co Ltd | Plane heating element |
| FR2935290A1 (en) * | 2008-09-04 | 2010-03-05 | Faurecia Sieges Automobile | Seat cushion forming method for motor vehicle, involves demolding polyurethane padding formed by foam layer and complex, withdrawing protector film, and fixing covering on padding by using heat seal material layer |
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| CN102689607A (en) | 2012-09-26 |
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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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| CP01 | Change in the name or title of a patent holder | ||
| 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. |
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| CP03 | Change of name, title or address |