CN202088424U - Forced extrusion device for tyre walls - Google Patents

Abstract

The utility model discloses a forced extrusion device for tyre walls, which comprises a frame, a forced performing die for separating rubber materials and an extrusion die for compositing the rubber materials, wherein the forced performing die and the extrusion die are respectively mounted on two sides of the frame; the forced performing die is mounted in the frame and fixed; first rubber flow mouths, second rubber flow mouths and third rubber flow mouths of the forced performing die are respectively connected with the outlets of flow passages of an upper machine head, a middle machine head and a lower machine head of a rubber extruding machine; the extrusion die is mounted in the frame; the extrusion die and the frame are tightly locked through machine head locking blocks; rubber materials extruded by screw rods flow into the forced performing die through the flow passages of the machine heads; and the three rubber materials are composited in the extrusion die through the specific shapes of the rubber flow mouths of the forced performing die. The forced extrusion device for the tyre walls has the advantages that the rubber materials are composited in the extrusion die, so as to reduce the influence of rubber Mooney and ensure the stability of the shapes of the tyre walls.

Description

Extruding device is forced on novel sidewall

[technical field]

The utility model relates to tire manufacturing equipment and specifically relate to a kind of sidewall extruding device.

[background technology]

What the sidewall production line generally adopted at present is that the pressure matching method carries out sidewall extrusion production, this ratio juris is that sizing material carries out compound in pre-die after die panel is extruded, reach the required sidewall shape and the size of each point, because the Mooney point of every batch sizing material has fluctuation, so just cause the head pressure of sizing material to change greatly, sizing material compound shape in pre-die is morphed, thereby the compound shape in sidewall that causes being produced is ensued variation.

[summary of the invention]

Technical problem to be solved in the utility model is to provide a kind of novel sidewall that can stablize the tire sidewall shape to force extruding device.

The utility model solves the problems of the technologies described above by the following technical programs: a kind of tire sidewall is forced extruding device, pressure pre-die that comprises framework, sizing material is separated and the die panel that sizing material is compound, described pressure pre-die and die panel are installed in the both sides of framework respectively.

The utility model further is specially:

The described pressure pre-die structure that is centrosymmetric comprises the gummosis mouth of two groups of symmetries, and every group of gummosis mouth comprises first gummosis mouth, second gummosis mouth, and the 3rd gummosis mouth.

Described die panel comprises die panel, following die panel, and interior die panel, die panel is installed in the die panel in described, described die panel down is fixedly mounted in the die panel, wherein, described bottom of going up die panel has two gummosis mouths about the center line symmetry, first gummosis mouth of the corresponding described pressure pre-die in die panel bottom in described, second gummosis mouth, and the 3rd gummosis mouth offer gummosis mouth one, gummosis mouth two and gummosis mouth three, the gummosis mouth one of die panel in first gummosis mouth of the self forcing pre-die of sizing material of tire wing glue flows into, flow into the gummosis mouth of going up die panel then, the gummosis mouth two of die panel in second gummosis mouth of the self forcing pre-die of sizing material of sidewall rubber flows into, flow into the gummosis mouth of going up die panel then, the gummosis mouth three of die panel in the 3rd gummosis mouth of the self forcing pre-die of sizing material of wear-resisting glue flows into, flow into the gummosis mouth of going up die panel then, three kinds of sizing materials are compound in die panel.

The described die panel one side direction lower recess that goes up forms a T type groove, and two symmetrical limit openings of T type groove are at the dual-side of last die panel, and lower ending opening is on the base of last die panel, and described interior die panel is the T type, is stuck in the T type groove of described upward die panel.

The described both sides, die panel bottom of going up offer screw, and the corresponding described screw in both sides of described die panel down offers the step through hole.

The groove that the top outer end of one side that described first gummosis mouth is self forcing pre-die is offered, the slit that second gummosis mouth is offered for centre one side of forcing pre-die, the groove that the 3rd gummosis mouth is offered for the one side inner end, bottom of forcing pre-die.

Described framework integral body is cuboid, front end face is recessed to form the groove that the cross section is rectangle downwards, rear end face is recessed to form the groove that the cross section is back taper downwards, the rectangular groove of little open communication of groove, described die panel is installed in the rectangular groove, and described pressure pre-die is installed in the groove that the cross section is back taper.

The upper end of described framework also offers the through hole that is used for installing heating tube to right-hand member from left end.

The utility model has the advantages that: utilize sizing material compound in die panel, reduce the influence of sizing material Mooney, thereby guarantee the stable of sidewall shape.

[description of drawings]

Fig. 1 forces the front view of the framework of extruding device for the utility model tire sidewall;

Fig. 2 A and Fig. 2 B are respectively A-A view and B-B view among Fig. 1;

Fig. 3 forces the front view of the pressure pre-die of extruding device for the utility model tire sidewall;

Fig. 4 forces the front view of the last die panel of extruding device for the utility model tire sidewall;

Fig. 5 forces the front view of the following die panel of extruding device for the utility model tire sidewall;

Fig. 6 forces the front view of the interior die panel of extruding device for the utility model tire sidewall;

Fig. 7 and Fig. 8 are respectively and force the left side that pre-die comes out and the sizing material sketch on right side;

The sizing material sketch that Fig. 9 forces extruding device to extrude for the utility model tire sidewall.

[specific embodiment]

The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings, so that those skilled in the art can better understand the utility model and being implemented, but illustrated embodiment is not as to qualification of the present utility model.

See also Fig. 1 to Fig. 6, this novel tire sidewall is forced extruding device to comprise framework 1, is forced pre-die 2 and die panel.Described die panel comprises diepanel 32, diepanel 34, andinterior die panel 36 down.

See also Fig. 1 and Fig. 2 A and Fig. 2 B, described framework 1 integral body is cuboid, and front end face is recessed to form thegroove 12 that the cross section is rectangle downwards, and rear end face is recessed to form thegroove 14 that the cross section is back taper downwards, therectangular groove 12 of the little open communication of groove 14.Describedgroove 12 is used for the installing port template, andgroove 14 is used for installing forces pre-die 2.The upper end of described framework 1 also offers the through hole to right-hand member 16 from left end, is used for installing heating tube.

See also Fig. 3, because this tire sidewall forces extruding device for extruding the device on two sidewalls simultaneously, the structure so this pressure pre-die 2 is centrosymmetric, the gummosis mouth that comprises two groups of symmetries, every group of gummosis mouth comprisesfirst gummosis mouth 22,second gummosis mouth 24, and the3rd gummosis mouth 26, the groove thatfirst gummosis mouth 22 is offered for the top outer end of one side of self forcing pre-die 2, the slit thatsecond gummosis mouth 24 is offered for centre one side of forcing pre-die 2, the groove that the3rd gummosis mouth 26 is offered for the one side inner end, bottom of forcing pre-die 2.From left side that this pressure pre-die 2 comes out and the sizing material sketch on right side as shown in Figure 7 and Figure 8, wherein BEC represents tire wing glue, BSW represents sidewall rubber, RC represents wear-resisting glue, these three kinds of glue still are in released state after coming out from this pressure pre-die 2, do not have compound.

Please consult Fig. 4 to Fig. 6 simultaneously, described die panel comprises diepanel 32, following diepanel 34, andinterior die panel 36, the described diepanel 32 1 side direction lower recess that go up form aT type groove 322, two symmetrical limit openings ofT type groove 322 are at the dual-side oflast die panel 32, lower ending opening is on the base oflast die panel 32, and described bottom of going up diepanel 32 has twogummosis mouths 324 about the center line symmetry, and the both sides, bottom offerscrew 326.

The corresponding describedscrew 326 in the both sides of described diepanel 34 down offers step throughhole 342.

Diepanel 36 is the T type and is stuck in just in the describedT type groove 322 of going up diepanel 32 in described,first gummosis mouth 22,second gummosis mouth 24 of the corresponding described pressure pre-die 2 in diepanel 36 bottoms in described, and the3rd gummosis mouth 26 offers gummosis mouth 1,gummosis mouth 2 364 and gummosis mouth 3 366.

During installation, at firstinterior die panel 36 is stuck in theT type groove 322 of diepanel 32, the bottom that to descend diepanel 34 to aim at then to go up diepanel 32 uses bolt to pass down thescrew 326 of diepanel 32 in throughhole 342 precessions of diepanel 34, has promptly formed whole die panel.

The effect of wherein said pressure pre-die 2: be that three kinds of sizing materials that three screw rods of upper, middle and lower of extruder are extruded are by forcing separately, other forcesfirst gummosis mouth 22,second gummosis mouth 24 of pre-die, and the shape of the3rd gummosis mouth 26 will guarantee that sizing material compound tense in die panel meets design requirement.

The effect of described framework 1: install and force pre-die 2 and die panel, carry out preheating by the heating tube of installing on the framework 1 to forcing pre-die 2 simultaneously, guarantee that the sidewall extrudes not raw edges, guarantees the sidewall quality.

The effect of die panel: sizing material is compound to be reached by shape of the mouth as one speaks exploitation pressure testing, guarantees that sidewall shape and the size produced meet design requirement.

This sidewall force extruding device to install and use step as follows: will force pack into framework 1 and fixing of pre-die 2, makefirst gummosis mouth 22 of forcing pre-die 2,second gummosis mouth 24, and the3rd gummosis mouth 26 link to each other with upper, middle and lower flow channel outlet respectively, the die panel framework 1 of packing into, by the head latch segment die panel and framework 1 are tightly pinned, the screw rod plastic squeeze flows into through flow channel and forces pre-die 2, through the specific flow export shape of forcing pre-die 2 that three kinds of sizing materials are compound in die panel, the concrete flow direction of sizing material is: the gummosis mouth 1 of diepanel 36 infirst gummosis mouth 22 of the self forcing pre-die 2 of sizing material of tire wing glue flows into, flow into thegummosis mouth 324 of going up diepanel 32 then, thegummosis mouth 2 364 of diepanel 36 insecond gummosis mouth 24 of the self forcing pre-die 2 of the sizing material of sidewall rubber flows into, flow into thegummosis mouth 324 of going up diepanel 32 then, the gummosis mouth 3 366 of diepanel 36 in the3rd gummosis mouth 26 of the self forcing pre-die 2 of the sizing material of wear-resisting glue flows into, flow into thegummosis mouth 324 of going up diepanel 32 then, finally, three kinds of sizing materials are compound in die panel.When changing, the sizing material Mooney can satisfy the compound precision of sizing material by the adjusting screw(rod) rotating speed, thereby reduce the influence of Mooney variation to the sidewall, the constraint of the shape of the mouth as one speaks shape of through port template meets design requirement the compound sidewall of extruding, and one of them the sidewall sketch after compound as shown in Figure 9.

Though more than described the specific embodiment of the present invention; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than be used for qualification to scope of the present invention; those of ordinary skill in the art are in the modification and the variation of the equivalence of doing according to spirit of the present invention, all should be encompassed in the scope that claim of the present invention protects.

Claims (8)

1. a tire sidewall is forced extruding device, it is characterized in that: pressure pre-die that comprise framework, sizing material is separated and the die panel that sizing material is compound, described pressure pre-die and die panel are installed in the both sides of framework respectively.

2. tire sidewall as claimed in claim 1 is forced extruding device, it is characterized in that: the described pressure pre-die structure that is centrosymmetric, comprise the gummosis mouth of two groups of symmetries, and every group of gummosis mouth comprises first gummosis mouth, second gummosis mouth, and the 3rd gummosis mouth.

3. tire sidewall as claimed in claim 2 is forced extruding device, it is characterized in that: described die panel comprises die panel, following die panel, and interior die panel, die panel is installed in the die panel in described, described die panel down is fixedly mounted in the die panel, wherein, described bottom of going up die panel has two gummosis mouths about the center line symmetry, first gummosis mouth of the corresponding described pressure pre-die in die panel bottom in described, second gummosis mouth, and the 3rd gummosis mouth offer gummosis mouth one, gummosis mouth two and gummosis mouth three, the gummosis mouth one of die panel in first gummosis mouth of the self forcing pre-die of sizing material of tire wing glue flows into, flow into the gummosis mouth of going up die panel then, the gummosis mouth two of die panel in second gummosis mouth of the self forcing pre-die of sizing material of sidewall rubber flows into, flow into the gummosis mouth of going up die panel then, the gummosis mouth three of die panel in the 3rd gummosis mouth of the self forcing pre-die of sizing material of wear-resisting glue flows into, flow into the gummosis mouth of going up die panel then, three kinds of sizing materials are compound in die panel.

4. tire sidewall as claimed in claim 3 is forced extruding device, it is characterized in that: the described die panel one side direction lower recess that goes up forms a T type groove, two symmetrical limit openings of T type groove are at the dual-side of last die panel, lower ending opening is on the base of last die panel, die panel is the T type in described, is stuck in the T type groove of described upward die panel.

5. force extruding device as claim 3 or 4 described tire sidewalls, it is characterized in that: the described both sides, die panel bottom of going up offer screw, and the corresponding described screw in both sides of described die panel down offers the step through hole.

6. tire sidewall as claimed in claim 1 is forced extruding device, it is characterized in that: the groove that the top outer end of one side that described first gummosis mouth is self forcing pre-die is offered, the slit that second gummosis mouth is offered for centre one side of forcing pre-die, the groove that the 3rd gummosis mouth is offered for the one side inner end, bottom of forcing pre-die.

7. tire sidewall as claimed in claim 1 is forced extruding device, it is characterized in that: described framework integral body is cuboid, front end face is recessed to form the groove that the cross section is rectangle downwards, rear end face is recessed to form the groove that the cross section is back taper downwards, the rectangular groove of little open communication of groove, described die panel is installed in the rectangular groove, and described pressure pre-die is installed in the groove that the cross section is back taper.

8. tire sidewall as claimed in claim 1 is forced extruding device, and it is characterized in that: the upper end of described framework also offers the through hole that is used for installing heating tube to right-hand member from left end.

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