CN85100632A - Make the method and apparatus that the surface has obducent shaped component - Google Patents

Abstract

The present invention be one about making the method invention that the surface has obducent shaped component, it is particularly useful for making the superficial layer of interior of motor vehicles.Above-mentioned shaped component has a liner plate, earlier liner plate is not being heated under the deformation state, and then is inserting in the die module of a temperature adjustment.In this assembly, one deck cladding material be placed on liner plate on the position of final visible surface, and in distortion of this liner plate or moulding, be fixed together with liner plate.

Description

Make the method and apparatus that the surface has obducent shaped component

This be one about making the method invention that the surface has obducent formed parts, it is particularly useful for making the superficial layer of interior of motor vehicles.Above-mentioned member has a liner plate, do not heat under the deformation state at it, send into then in the die module of a damping, in this assembly, surface coating material be fixed between the liner plate deformation phases liner plate on one side of final visible surface.

Said method comes from practice widely, and liner plate and cladding material are delivered in die module or the forming machine together, and they are processed to one therein.For reaching this purpose, forming machine can cool off or be adjusted to suitable temperature.

Existing processing method has its advantage on the viewpoint of economy, processes such as it can form by a shirtsleeve operation, fixing or even side cut.

But existing method also has shortcoming, and the whole surface of liner plate only can cover one and be same material.

The method of practical application now is different with our invention, it is shaped cold lining material earlier and is cut into the size that needs in the forming machine assembly of heating, and then on the preformed liner plate of said method, spray one deck glue, in another forming machine assembly, cladding material is fixed on the liner plate.This a kind of like this possibility just occurs, if promptly two kinds of different cladding materials are covered the zones of different on liner plate surface, just need carry out twice operation by said sequence.

Behind drape forming member as stated above, also need further to work, i.e. excision or the fixedly edge that stretches out of cladding material, and for the situation that on a formed parts, covers two different materials, on the seam between two different surfaces zones, also to stick cover fillet.

The shortcoming of existing this method is: it need take repeatedly procedure of processing, and considers from economic aspect, and this needs to keep away rabbit just.By DRP prospectus DE-OS3109338, we know to also have a kind of similar method, promptly the section of two different materials is fixed on the preformed liner plate simultaneously, rather than carry out one by one as described above.Earlier section is installed in one and compresses on the support for reaching order, then this support is inserted in the independent motion thermomechanical components, on the line of two sections hold down gag is housed, thereby make section fixing in position, heating section then, the find time air of patrix upwards sucks in the patrix of mulch-laying machine assembly section.

For cladding material and the preform liner plate that has inserted the forming machine counterdie are fixed together, patrix and compress support and descend together is placed on the counterdie with patrix, and at this moment, hold down gag and liner plate surface come in contact.

Cladding material and liner plate produce and closely contact is to adopt following method: cover the upper space of putting material logical on air, thereby the vacuum state disappearance; Air in the cladding material lower room is extracted out by liner plate, sticked together thereby cladding material and liner plate are closely inhaled.

This existing method also is quite to bother, because it also comprises repeatedly independent operation, particularly when the upper and lower mould parts of forming machine assembly vacuumize, not only changed money especially, but also needed the forming machine assembly to have special structure.In addition, the liner plate that this existing method only can be used to breathe freely, otherwise, in corresponding covering process, just can not suck cladding material on liner plate; Simultaneously, cladding material must be a gas impermeable material, otherwise the upper die and lower die of forming machine assembly just alternately vacuumize and have not been worth.

The purpose of this invention is to provide a kind ofly, adopt the method on a formed parts,, in two zones on its surface, to cover different materials at least in simple and economic mode as determined method in the foreword.

The present invention takes following method to reach this purpose, and with two or be pressed in the die module more than the form of two sections, these sections will cover the zones of different of liner plate surface coating material; Before covering the section distortion,, liner plate is contacted at liner plate with repeatedly seam, seam or the line generation pressure of the section that compresses along section by means of the downward effect of making progress of clamping device.

Only comprise a spot of operating procedure according to method of the present invention, so it can be under the prerequisite of saving cost effectively, provide different cladding materials is fixed to possibility on the liner plate different surfaces zone.

At first, we notice, in the method for the invention, formed parts is in a shirtsleeve operation, and existing shape has been finished covering process again; Simultaneously, with in once operating, can also repair the edge of formed parts at this.

Cover different materials and finish with a kind of beyond thought mode on liner plate, it does not consider to cancel the facility of bleeding of the forming machine assembly that uses in the prior art.The special benefits of this method is: when enforcement is of the present invention, and be not limited to and use ventilative lining material and air-locked cladding material, therefore, for purposes of the invention, the range of choice of Applied Materials is much correspondingly extensive.

Clamping device is a simply and effectively device, and it can be placed in cladding material on the liner plate and clamp join domain, thereby guarantees can aim at fully mutually in the forming step of back.Different with prior art, use method provided by the present invention, when section is clamped on the common plane, liner plate and section come in contact, and so just can be placed on liner plate with respect to the appropriate location of cutting into slices along the line between the section.On this point, it is very important that liner plate also was not out of shape when this step, and the distortion of liner plate makes the upper and lower mould of forming machine relatively move afterwards and produces.This is just to carry out after mutual alignment between cladding material is determined fully with regard to the shaping that means liner plate.Therefore, the Position Control of line between the cladding material section is depended in the distortion of liner plate in some way.The result who does like this, the line between the cladding material section always suitably is positioned on the liner plate, and can not resemble usually take place in the prior art secundly or another side.Even these existing methods have adopted preformed liner plate, can not avoid this skew.

Because the formation of accurate positioning and line, can keep away rabbit use cover fillet no matter whether the present invention just can use under the situation of Different Covering Material.

According to an advantage of the present invention, liner plate can be fixed in the section along the line of section before distortion, and therefore, section can not only be placed on the appropriate location of liner plate, and can also be fixed on the optimum position of liner plate.

According to another advantage of the present invention, the section of braided material can be supplied with die module with its tension.Here the explanation of broad sense should be made in " section " this term.It comprises any material that should do the surface covering, no matter whether it is the genuine sliced form with limited surface zone, still the boundless form of fabric that has no chance all should be interpreted as section.If use the material of form of fabric, should note cutting out rightly and repairing its edge, to form overlapping line or seam, just connecting line.

Under tensioning state, provide braided material to be applicable to roll release formula (off-the-roll) production method, and can reduce cost.

Also can derive the device of making that class formed parts discussed above by the present invention.This apparatus features is: each upper die and lower die parts all has a clamping device, in order to clamp the surface coating material of making the section more than two or two.Above-mentioned clamping device is installed on the mutually relative position, stretches (referring to Fig. 1) at their clamped position from corresponding stamper component, and can overcome impedor resistance and insert in the corresponding stamper component.

Before the distortion beginning, clamping device stretches out from corresponding stamper component, and it can locate the cladding material that compresses and be fixed on the liner plate effectively before the section distortion at liner plate.In the process of distortion, clamping device can overcome resistance (that is power of spring) and back in the corresponding stamper component, thereby does not hinder moving when being out of shape.This resistance can be selected like this, promptly before stamper component is approaching mutually, has just added their needed power of pressing between section and the liner plate.On the other hand, also can hank resistance like that, promptly only in deformation process, just add needed power by the such method of the pressure stroke of quadrant system clamping device.Certainly, it also is feasible taking the next reinforcing of intermediateness between the two.

From being simplified to the viewpoint of shape machine structure, upper mould part is equipped with pressed component, by them section is compressed in one plane, the determined plane of clamped position when clamping device is stretched out fully just on this plane is done more favourable like this.

Now, we describe several embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 represents to make the cutaway view that the surface has obducent formed parts device, and it comprises the upper die and lower die parts that are in open mode.

Fig. 2 represents the plan view from above of a formed parts, and the surface coverage of this member two independently cladding materials.

Fig. 3 is the cutaway view that formed parts shown in Figure 2 cuts along the III-III line.

Plan view from above when Fig. 4 and Fig. 5 represent another kind of formed parts.The surface coverage of this formed parts has two or more cladding materials, and the line between the cladding material is not a straight line.

The plan view from above of the summary of Fig. 6 presentation graphs 1 shown device.

Fig. 7 represents the vertical view of the summary of second kind of embodiment constructed in accordance, and wherein cladding material is along fixed with each other making of public line by two fabrics.

Fig. 8 represents the vertical view of a kind of embodiment constructed in accordance, wherein cladding material be with two fabrics that separate form provide.

Fig. 9 represents a plan view from above of lining member, on this lining member, has two places to have ornament.

Figure 10 represents the cutaway view that formed parts shown in Figure 9 cuts along the x-x line.

Device shown in the figure all can be used as makes the formed parts 1 that the surface has covering, especially suitable Be used for making just as Fig. 2 to the door lining member of that class interior of motor vehicles shown in Figure 5. Each this class structure Part has a liner plate 2, and in the present circumstance, it is made by the propylene that is filled with wood sawdust. Liner plate The cladding material 3 that can see when being covered with final the use on 2. For the present invention, corresponding The surface is divided into two or more than two isolated area by seam or overlap joint line 4 (being line). On the liner plate 2 shown in Figure 2, two such zones 5 and 6 are only arranged, covering in these two zones The section of cover material is respectively 7 and 8. Every section covers at the length direction of formed parts Whole formed parts, but only account for greatly half of liner plate width at width. Section 8 connects along it Wiring 4 is overlapped in the section 7. Process U-lag 9 on the liner plate 2, the direction of groove and line 4 Unanimously.

For section 7 and 8 different material behavior are described, chain-dotted line is used in section 7 in Fig. 3 Expression, section 8 dots.

The surface of formed parts shown in Figure 4 is divided into three zones, provides arbitrarily additional if consider Connection Element, what for to covering with different cladding materials in 4 zones. These surfaces The zone is equally also separated from each other with line, represents that with different patterns cladding material is at tissue among the figure On difference. A main connecting line 4 and two branch line 4 Hes are arranged in this piece formed parts 10, divide the angle of this line and main line approximately to be respectively 60 degree.

In the embodiment shown in fig. 5, formed parts 1 has two surf zones that separate, this With shown in Figure 2 the same, but in the member shown in this figure, an one of the line 4 in two zones Dividing is curve.

Fig. 1 represents to make according to the present invention the cutaway view of surface coverage formed parts 1 device. This dress Put and have a vertically moving upper mould part 11, be equipped with actionless lower mould part 12, In illustrated embodiment, have a shaping recess on the upper mould part, its shape and counterdie Shaping projection on the parts is corresponding. Line 4 on the member that will be shaped and cover The position, upper and lower mould parts 11 and 12 interiorly are equipped with respectively elongated clamping device 13 Hes 14, the resistance that these clamping devices can overcome spring inserts in the corresponding die module. Clamp The clamping area of device is consistent with the surface configuration of connecting line.

Being fixed on general tightening member (such as screw 15) on the patrix is a hold-down frame 16, by it the section 7 and 8 of tensioning state is pressed on the device.

This hold-down frame has an outstanding surface region larger than formed parts 1, and from four Bian Baotu lives in mould parts 11. Section tensioning on the direction of connecting line 4 is vital, Only in this way, section is located accurately. Certainly, as long as guarantee not affect the company of adjustment Wiring, section also can be in the lateral tension of connecting line 4.

As shown in Figure 1, the section 7 and 8 under certain tension force, generally be pressed on one public Plane E in, be approximately 5 millimeters along the overlapping width each other of line direction. At figure Among the embodiment shown in 1, clamping plane E flushes with the lower plane of upper mould part 11 basically.

Elongated clamping device 14 on the lower mould part 12 just in time is contained in the right of clamping device 13 Face just can apply a suitable clamping force like this between their clamping area, the size of power by with The spring size of connection determine. Clamping device also can be designed to as shown in Figure 1 the position that Sample only is pressed onto section on the liner plate; Perhaps, if each other part has adopted someway such as ratio-frequency welding Connect etc. fixed with each otherly, also can be designed to like this. If clamping device 13 and 14 designs Only become the in addition part of appointment is pressed in as shown in Figure 1 position together, the size of spring must be decided so For: these other parts are fixed together.

The clamping device 13 of position shown in Figure 1 protrudes its clamping surface one from upper mould part Directly extend to from the lower surface of the upper mould part place close to very, even extend into this plane always In, and the lower surface of upper mould part is parallel and nestle up the clamping plane E of hold-down frame 16.

Clamping device 14 protrudes from lower mould part 12, its overhang basically with clamping device 13 length of protruding from upper mould part 11 are identical.

Fig. 6 is the plan view from above of device shown in Figure 1 and some annexes. This device is designed to four posts Forcing press, its four pillars are positioned near four angles of rectangular graph.

Vertical line below forcing press represents conveyer belt 18, and it presses the steering handle of arrow R indication Liner plate blank 2 is delivered on the forcing press. Before entering forcing press, blank is by a hot spot 19, be originally that cold blank is heated at this, and then deliver on the former. By Fig. 6's This device of upper direction provides a hold-down frame 16, is carrying two sections 7 and 8 on the framework, They are corresponding with the formed parts shown in Fig. 3.

When this method of the invention process, earlier two or polylith section by desired position Be pressed on the hold-down frame 16, then hold-down frame 16 be fixed on the upper mould part 11, this The time upper mould part 11 upwards mention the spare space that breaks away from lower mould part 12, be pressed on thereby make Section in the clamping plane E nestles up respectively lower surface or the clamping device 13 of upper mould part 11 Clamping surface. In clamping plane E, hold-down frame 16 can come in any suitable manner Arrange, the tension force that is pressed in the section on the framework also can be regulated as required. As what cut into slices The liner plate of some cladding material or some shape may require the line between the section is arc shape Compress, compensate the dislocation of line in forming process with this, thereby final formed parts is had , a straight line.

Blank 2 is fed forward to the forming machine assembly by conveyer belt 18 after hot spot 19 heating, leave on the lower mould part 12, and this moment, the forming machine assembly was in its ready position.This forming machine assembly can cool off or be heated to suitable temperature on demand.When blank is placed on the lower mould part 12, clamping device 14 may be in extended position as shown in Figure 1, or still be in advanced position, under latter event, must upwards mention certain height a to clamping device 14, thereby make upper and lower mould parts be close to as shown in Figure 1 clamped position mutually.

In this position, liner plate 2 only is in contact with one another along line 4 with section 7 and 8, and they are pressed together on line 4, even can adopt the means that resemble welding and so on to be fixed together.If desired, the collaborative clamping surface on the clamping element 13 and 14 can process surface detail, thus can on line, impress out same decorative pattern or increase this zone in static friction.

Be pressed in the section of tensioning at liner plate or after being fixed together along connecting line, upper mould part descends to carry out forming process with hold-down frame.When stamper component during forming process mutually near the time, clamping device 13 and 14 is pushed length by length to be got back in the corresponding stamper component.When upper mould part 11 dropped to the extreme lower position that makes the final shaping of liner plate above lower mould part 12, because the pressure effect in the forming process, section was fixed on the liner plate.Because before the processing beginning that is shaped, the relative position of liner plate and section is fixing along line 4, can affirm: the shape by clamping device 13 and 14 lines of determining just can accurately remain.In illustrated embodiment, line 4 extends along the bottom of grooving 9.In this case, compare with distinct methods discussed above, the shaping of its liner plate occurs over just after the fixing and section in mutual alignment between the section has been fixed on the liner plate, accurately is positioned at the bottom of grooving so can guarantee line.And, just needn't use cover fillet to cover it just because of the arrangement of line is very accurate.When forming process finishes, upper mould part 11 turns back to the ready position after its rising, thereby the formed parts of having made 1 can be unloaded from this device, and so far, ejector 14 can play the effect of a real ejector.

Fig. 4 represents: a liner plate not only can cover two sections, but also can cover 3 or 4 sections respectively.When making this class formed parts, before fixedly operation begins, the method that preferably adopts earlier between the section and resemble stitching, welding, glueds joint and so on links together, can be fixed on section on the hold-down frame by method previously discussed then, for next step operation is got ready.

Same technical process also can be used on as shown in Figure 5 the formed parts.On this class A of geometric unitA, the line between two sections is made up of straight line and a waveform curve.

The technical process of cladding material discussed above is not under any circumstance all to need to use hold-down frame, and it also is possible supplying with material in a continuous manner with spool as shown in Figure 7.Fig. 7 is the plan view from above that is similar to four column pressure machines shown in Figure 6.Carry the process of lining material also identical, therefore needn't give unnecessary details.

The difference of embodiment shown in Figure 7 is to cut into slices and 7 and 8 is provided by a spool, before covering fabric 20 is wrapped on the spool, two sections link together along the line between them, and this line is parallel to the length direction of cladding material fabric 20.Spool is installed in a fixed position, and it is again movably, makes the fabric 20 of supplying with pillar press rectangular with throughput direction R like this.Among the figure 21 expression tensioning facility, it can make fabric 20 vertically keep certain force of strain.The rotation of spool 22 is controlled by the device of brake one class, thereby makes fabric 20 be in tensioning state.

Owing to adopt fabric 20, the section of one-tenth is supplied with cladding material continuously.In order to make cladding material in process, keep tensioning state, width of fabric can be than 1 actual needs of drape forming member wideer, do like this and can be left some edge strips, these edge strips can roll passes to the covering fabric of processing to pulling force.Otherwise if the width of fabric 20 has just in time been made just enough drape forming members, tensioning facility 21 just must be designed to can be connected on the front end of fabric after each covering process so.

In represented in the accompanying drawings all embodiment, cutting tool (referring to Fig. 1) can be installed, it can repair the ledge of cladding material and liner plate when forming process finishes, if necessary, but the edge of also smoothing Forming Workpiece of cutting tool.

Represented device is substantially similar to the device that Fig. 7 describes among Fig. 8, and therefore the difference between them only is discussed here.Among the figure, identical parts are represented with same reference numeral.

Main difference between these two embodiment is to provide two sections 7 different with 8 mode for them.In the embodiment of Fig. 8, cladding material 7 and 8 is also provided by spool 22, but they do not interconnect or be fixed together, and processes in the building mortion but overlap to deliver to; This mode is similar to the content of embodiment represented among Fig. 1 of having discussed and Fig. 6 or Fig. 7.

Should be mentioned in that in device shown in Figure 8, cover section 7 and 8 and both can be rolled onto on the spool 22, also can between spool 22 and building mortion 1, adorn a ways and form the layer that coincides with the form of overlap joint.

State and further mention, in all already mentioned embodiment, all exist the section of cladding material made along their line and have the possibility of sending relation of closing or seam relation; Also can be before process operation, fixed with each other cladding material.Under latter event, section also can along its line bend to backwards their this on one's body.Certainly also exist the possibility that stands away between the section, in this case, liner plate is visible on the line that they separate.

According to the present invention, always exist before inserting hold-down frame or insert before the postforming operation or the possibility of in forming process, section being fixed or coupling together by its line.

For reaching this purpose, clamping device can be made the device as high-frequency electrode.

The specific product of Fig. 9 and Figure 10 is consistent with the product shown in Fig. 2 and Fig. 3 basically, and therefore, identical or corresponding parts all use same reference number to represent.Reference number about the basic structure of wall liner member among the figure is to make by the explanation of front.The specific product of the formed parts of Fig. 9 and Figure 10 and Fig. 3 and Fig. 4 has two places different, the one, the former is equipped with a upholstery layer 24 on the total length at edge 23 at an upper portion thereof, and another is that another piece upholstery layer 25 is housed on the lower limb of the recess 25 of handle.Two upholstery layers all are contained between section and the liner plate 2, live first cladding material section 7 in order to pad.

These upholstery layers can be made with the section of section bar or compressible material, preferably adopt the foamed material that is easy to be glued onto on cladding material or the liner plate.

When the formed parts of making as shown in the figure, inner cover 24 and 26 can be fixed on the cladding material earlier, thereby can use them on the domain of dependence of liner plate.

In an example shown, liner plate is made by thermoplastic, closely is fixed together if wish interior material and liner plate, and decorative layer preferably is used in the material that is easy to be glued onto under the hot effect on the liner plate.

Make as Fig. 9 and the operating process that formed parts adopted shown in Figure 10, identical with the formed parts of making as shown in Figures 2 and 3 basically; But before use section 7, upholstery layer 24 and 26 is fixed on the cladding material with the method for glueing joint or weld earlier.

In final shaping operation process, affixed state is owing to the effect of heat can further strengthen between interior material and cladding material or the liner plate.

Claims (5)

1, one is used to make the method that the surface has obducent formed parts, and it is particularly useful for making the superficial layer of interior of motor vehicles; The formed parts here has a liner plate, and it is not being heated under the deformation state, delivers to then in the die module of temperature adjustment; In this assembly, surfacing is placed on this liner plate on the position of final visible surface, and is being fixed between deformation phases on the liner plate; It is characterized in that: above-mentioned surfacing has two sliced forms that cover the liner plate zones of different at least with it, is pressed on the above-mentioned die module; Before above-mentioned section was out of shape, by means of the clamping device downward effect that makes progress, one or more repeatedly seam, seam or line generation pressure contacted along it for above-mentioned liner plate and section at this liner plate.

2, according to claim 1 desired method, it is characterized in that: above-mentioned liner plate was fixed in the above-mentioned section along repeatedly seam, seam or the line of cutting into slices before deforming.

3, according to claim 1 or claim 2 desired methods, it is characterized in that: above-mentioned sliced materials is to supply with die module with the form of the textile material that is in tensioning state.

4, be used to make the surface and have obducent formed parts, especially have the device of the interior of motor vehicles superficial layer of liner plate, comprise a die module with upper and lower mould parts; It is characterized in that: at above-mentioned upper and lower mould parts (11,12) in, each parts all has a clamping device (13,14), in order to clamp the surface coating material of forming by two sections (7,8) at least.These clamping devices are installed on the relative mutually position, so that from the stamper component (11 that adjoins mutually with them, 12) protrude into their clamped position (referring to Fig. 1) in, and can overcome the resistance of impedor (24) and insert in the stamper component.

5, according to claim 4 desired devices, it is characterized in that: hold-down mechanism (16) is housed on the upper mould part (11), thereby above-mentioned section is pressed in the plane (E), and plane E is the final position that above-mentioned clamping device (13) reaches clamped condition fully.

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