CN205439829U - Solid handcart tire with stratiform skeleton texture - Google Patents

Abstract

The utility model relates to a solid handcart tire with stratiform skeleton texture. A solid handcart tire with stratiform skeleton texture which it has fibre thing layer to distribute in the tire matrix structure. The utility model discloses solid handcart tire with stratiform skeleton texture has effectively utilized the fibre thing that contains the rubber waste grain that produces in tire reclaimed rubber's the production process, and it makes it to form support chassis to distribute its minute level in the solid tyre matrix to improve handcart solid tyre's support intensity and anti -deformation strength greatly, effectively improved handcart solid tyre's service life.

Description

There is the solid handbarrow tire of layered framework structure

Technical field

This utility model relates to tire manufacturing art, is specifically related to a kind of solid handbarrow tire with layered framework structure.

Background technology

Now widely used handbarrow solid tyre is mainly prepared by waste old material or waste and old plastic material.Although this solid handbarrow tire is cheap but having the phenomenon that slipping ring occurs in deformation great Yi and the drawback being easily broken off, particularly in the case of summer high temperature, these defects are especially prominent, bring great inconvenience to user.

Pneumatic tire in the market is to be prepared through complicated technique by fiber and reclaimed rubber, the fiber that fibre object in waste and old pneumatic tire is separated when crushing usually inexpensively is reclaimed the preparation for other products, such as papermaking, produce non-woven fabrics and partial rubber goods, because the quality problem purposes of itself is narrow.

Summary of the invention

For this, in place of the above-mentioned above-mentioned the deficiencies in the prior art of handbarrow solid tyre, provide a kind of solid tyre framing structure utilizing waste tire fiber and Waste tire regeneration rubber to make, provide another effective way for the recycling of fiber in junked tire.

An aspect of the present utility model provides a kind of solid handbarrow tire with layered framework structure, fiber nitride layer is distributed in described carcass structure.

Optionally, the thickness of wherein said fiber nitride layer is 2-3mm, and described carcass thickness is 60-70mm.

Optionally, wherein said carcass thickness is 65mm.

Optionally, described fiber nitride layer is multilamellar.

Optionally, described fiber nitride layer is three layers.

Optionally, described fiber nitride layer in carcass structure for being uniformly distributed.

This utility model has having the beneficial effect that of the solid handbarrow tire of layered framework structure and is effectively utilized in the production process of tire reclaimed rubber the fibre object containing scrap rubber grain produced, its hierarchical is distributed in solid tyre carcass and is allowed to form support frame, thus substantially increase support strength and the resistance to deformation intensity of handbarrow solid tyre, it is effectively increased the useful life of handbarrow solid tyre.According to the feedback of the user using more than 2 years, this utility model have the solid handbarrow tire of layered framework structure have be unlikely to deform, not slipping ring, load resistance, the advantage of life-span length.Especially in the case of summer high temperature compared with handbarrow solid tyre existing in the market, these advantages become apparent from.Additionally, this utility model solid handbarrow tyre material is Waste tire regeneration rubber and the fibre object of reclaimed rubber production process generation, and the fibre object reclaimed directly uses without reprocessing, therefore production cost is low, environmental protection, the fibre object reclaimed for junked tire provides the approach of new recycling.

Accompanying drawing explanation

By reading the detailed description of hereafter preferred implementation, various other advantage and benefit those of ordinary skill in the art be will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation, and is not considered as restriction of the present utility model.In the accompanying drawings:

Fig. 1 is the solid tyre sectional schematic diagram of this utility model embodiment.

Fig. 2 is the solid tyre section stratiform CONSTRUCTED SPECIFICATION figure of this utility model embodiment.

Detailed description of the invention

This utility model provides many applicable creative concepts, and this creativeness concept can be reflected in a large number of in concrete context.Specific embodiment described in the following embodiment of the present utility model is only used as the exemplary illustration of specific implementation of the present utility model, and does not constitute the restriction to this utility model scope.

This utility model embodiment provides a kind of solid handbarrow tire with layered framework structure, its be by tire reclaimed rubber and from tire broken the fiber of isolated prepare, fiber nitride layer is distributed in its carcass structure.

Containing fiber in general pneumatic tire, in the production process of tire reclaimed rubber, broken tire is needed to make fibre object separate with rubber for tire thing, rubber for tire thing obtains tire reclaimed rubber through reprocessing, reclaimed rubber adds rubber chemicals can prepare the carcass rubber mass for manufacturing tire, and crush the tire fibre object (its composition is generally nylon 6) of tire separation containing scrap rubber grain, its purposes scope is narrower, applicant has prepared, by the tire fibre object adding recovery in carcass rubber mass, the stratiform tyre framework structure that fiber nitride layer is distributed in carcass structure.In embodiment of the present utility model, described tire reclaimed rubber can be the reclaimed rubber that various rubber for tire prepares, and reclaimed rubber can prepare carcass rubber mass together with any rubber chemicals commonly used in the art.Affiliated tire fibre object, without any reprocessing, is directly applied to the preparation of solid handbarrow tire.

Fig. 1 show the sectional schematic diagram of the solid tyre of this utility model embodiment, dotted portion represents fiber nitride layer, and other parts are carcass rubber mass, and Fig. 2 show the layer structure schematic diagram of this section, its dotted portion is represented identical with Fig. 1, and solid box represents carcass rubber mass.In conjunction with Fig. 1 and Fig. 2, it can be seen that the solid tyre carcass of embodiment of the present utility model includes three layers of fiber nitride layer.

According to embodiment of the present utility model, the manufacture method of described solid tyre includes 1) fibre strip sheet will be obtained from the broken apart tire fibre object roll-in obtained of tire；2) in step 1) upper and lower surface of resulting three-layer fibre plate all covers one layer of carcass rubber mass prepared by tire reclaimed rubber, in other words, sequentially form the carcass rubber bed of material and the alternately laminated straticulate structure of fibre plate according to stratiform as shown in Figure 2, and this straticulate structure roll-in that the carcass rubber bed of material and fibre plate are formed makes to be tightly combined to obtain the fiber reinforcement layer of strip；3) tire base molding: cut out gained fiber reinforcement layer and make the connection laminating of its strip two ends through compaction moulding, obtaining solid tyre tire base；4) sulfuration: gained solid tyre tire base is loaded mold cure.

It should be noted that, above-mentioned steps 1) in rolling wheel set tire fibre object be roll spacing be 1-2mm, roller temperature be 60-80 DEG C under conditions of roll-in, the thickness of the fibre plate so obtained is at about 1-3mm, step 2) in, the thickness of the carcass rubber mass covered in the upper and lower surface of fibre plate can be different according to practical situation, roll spacing during the straticulate structure roll-in formed needs to be adjusted being allowed to according to the thickness of this straticulate structure the thickness of this straticulate structure applicable, and in present embodiment, the roll spacing of roll-in is 55-70mm.Described roll-in can use any rolling equipment that this area is conventional, uses KL450 opening rubber mixing machine in present embodiment；The number of times of described roll-in does not the most limit, as long as making can combine closely between tire fiber or between fibre plate and carcass rubber mass, the roll-in of such as fibre plate can be carried out three times, and fibre plate can be carried out 10 times with the roll-in of the straticulate structure of carcass rubber mass.

According to embodiment of the present utility model, in obtained solid tyre, the thickness of fiber nitride layer is 2-3mm, and the thickness of solid tyre carcass is 60-70mm, preferably 65mm, fiber nitride layer in carcass structure for being uniformly distributed.Here, in solid tyre, the thickness of fiber nitride layer is not arbitrary, substantial amounts of test confirms, in the case of solid tyre carcass thickness is certain, if the thickness of fiber nitride layer is too small in obtained solid tyre carcass, then the load resistance ability of solid tyre is poor, if the thickness of fiber nitride layer is excessive, then poor adhesion between fiber nitride layer and rubber mass in solid tyre, the phenomenon easily not planned a successor and cause product defective.In embodiment of the present utility model, the thickness of solid tyre carcass is 60-70mm, such as 60mm, 65mm, 70mm etc., when the thickness of the fiber nitride layer being distributed in carcass is 2-3mm such as 2mm, 2.5mm, 3mm, fiber nitride layer can be good at merging with rubber mass, plunger bond strength is big, and the load resistance ability of solid tyre is optimal.Certainly carcass thickness can also be changed according to actual application, can be such as 80mm etc., at this moment can be adjusted correspondingly the thickness of fiber nitride layer can obtaining optimal tyre performance so that the ratio of fiber nitride layer Yu carcass thickness.

Manufacture method according to embodiment of the present utility model, step 3) gained fiber reinforcement layer is cut out in tire base molding obtain crown layer (as shown in Figure 2 110), casing layer (as shown in Figure 2 120) and bottom (as shown in Figure 2 130), from the thickness that height is carcass of crown layer to bottom, described cuts out preferably so that the centrage of the three layers of fiber arrived is consistent with carcass centrage (the vertical solid line 100 shown in Fig. 2), and the structure of the product so obtained is more firm and is unlikely to deform.Tire base molding concretely comprise the following steps the end connecting length first determining that fibre strip casing play two ends connect, then two ends cut into 45 degree of inclined-planes and coincide, and use roller compacting.

It is that sulfuration makes fibre plate merge with carcass rubber mass after tire base molding, therefore, can sulfuration be the committed step that fiber success be merged with carcass rubber mass, sulfuration process is the common process in tire making field, and the key parameter of this process includes temperature, pressure and the time of sulfuration.In embodiment of the present utility model, described sulfuration is that the vulcanizer by 80 tons/C specification vulcanizes 10-20 minute under steam pressure 5-6MPa.Wherein, 80 tons/C illustrates the pressure of sulfuration, and steam pressure 5-6MPa illustrates the temperature of sulfuration.In sulfidation, fibre plate mutually merges in tire-mold with carcass rubber mass, and makes the solid tyre product with layered framework structure, and fibre plate forms fiber nitride layer, and carcass rubber mass forms carcass structure with described fiber nitride layer.

Fibre plate merges except relevant with the parameter of sulfidation (curing temperature, sulfide stress and cure time) with carcass rubber mass, as it has been described above, also relevant with the thickness ratio of carcass rubber mass with fibre plate.

Compared with existing handbarrow solid tyre, the solid handbarrow tire with layered framework structure so prepared is not in the case of increasing manufacturing cost, according to the feedback of the user using more than 2 years, have be unlikely to deform, not slipping ring, load resistance, life-span length and the advantage of low cost.Especially in the case of summer high temperature compared with handbarrow solid tyre existing in the market, this advantage becomes apparent from.

It should be noted that; although containing three layers of fiber nitride layer in the carcass structure of solid tyre in this utility model embodiment; but it will be understood by those skilled in the art that; the number of plies of fiber nitride layer is not limited to this; such as fiber nitride layer can be four layers or six layers, and other the number of plies is the most all within protection domain of the present utility model.

Although describing this utility model by reference to some detailed description of the invention, it should be appreciated that, this utility model is not limited to disclosed detailed description of the invention.This utility model is intended to included various amendments and equivalent arrangements in spirit and scope of the appended claims.Scope of the following claims meets broadest explanation, thus comprises all such amendments and equivalent structure and function.

Claims (6)

1. there is a solid handbarrow tire for layered framework structure, in described carcass structure, fiber nitride layer is distributed.

Solid handbarrow tire the most according to claim 1, the thickness of wherein said fiber nitride layer is 2-3mm, and described carcass thickness is 60-70mm.

Solid handbarrow tire the most according to claim 2, wherein said carcass thickness is 65mm.

Solid handbarrow tire the most according to claim 1, wherein said fiber nitride layer is multilamellar.

Solid handbarrow tire the most according to claim 1, wherein said fiber nitride layer is three layers.

6. according to the solid handbarrow tire described in any one of claim 1-5, wherein said fiber nitride layer in carcass structure for being uniformly distributed.