CN114211795A - Manufacturing process and equipment for high polymer material balance vehicle tire - Google Patents
Manufacturing process and equipment for high polymer material balance vehicle tire Download PDFInfo
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- CN114211795A CN114211795A CN202111570783.3A CN202111570783A CN114211795A CN 114211795 A CN114211795 A CN 114211795A CN 202111570783 A CN202111570783 A CN 202111570783A CN 114211795 A CN114211795 A CN 114211795A
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- guide rail
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- fixedly connected
- tire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D2030/084—Placing two side portions of the tyre into the mould and introducing, e.g. by extrusion or injection moulding, the tread material to create the toroidal tyre
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- Tyre Moulding (AREA)
Abstract
The invention relates to the field of tire production, in particular to a manufacturing process and equipment of a high polymer material balance vehicle tire. The technical problems that the processing steps of the high polymer material tire processing are complex, the head end and the tail end of a tire root and a tire crown are directly spliced into a ring, and after extrusion forming, an obvious splicing boundary line exists are solved. The invention provides a high polymer material balance vehicle tire device, which comprises a conveyor, a cutting unit and the like; the front side of the conveyor is connected with a cutting unit. In the invention, the polymer sizing material just extruded from the extruder is kept in a softened state, no obvious boundary trace exists at the joint of the head and the tail of the ring-shaped polymer sizing material obtained by pre-coiling, the processing steps of extruding into strips, cutting at fixed length and splicing into rings are combined into one processing step, then the pressing treatment and the filling treatment of the molten polymer material are carried out, and finally the final tire product is obtained after the curing and forming treatment is finished.
Description
Technical Field
The invention relates to the field of tire production, in particular to a manufacturing process and equipment of a high polymer material balance vehicle tire.
Background
The tyre is composed of a central annular tyre root, a tyre crown and a plurality of tyre columns, wherein the tyre root is positioned at the central part, the tyre crown is positioned at the outer edge part, and the tyre columns are used for connecting the tyre root and the tyre crown in a splicing manner.
In the production process of the high polymer material tire for the balance car, two groups of high polymer materials for forming a tire root and a tire crown need to be respectively put into two extruders, the two groups of high polymer materials are respectively extruded into two long-column-shaped high polymer rubber materials by the extruders, the two long-column-shaped high polymer rubber materials are respectively cut according to the circumferences of the tire root and the tire crown, the two cut high polymer rubber materials are respectively spliced into a ring shape from head to tail, then the tire root spliced into the ring shape is placed at the central part of the mold, the tire crown spliced into the ring shape is placed at the outer edge part of the mold, another high polymer material is filled between the central part and the outer edge part of the mold, finally the mold is placed into a high-pressure molding device, and the inflation-free type explosion-proof tire is obtained through extrusion molding.
The processing steps of the high polymer material tire of the balance car can effectively obtain the non-inflatable explosion-proof tire composed of different high polymer materials, but the blank materials of the tire root and the tire crown are required to be extruded into strips, cut at fixed length and spliced into rings in sequence before being placed into a mold, the production efficiency of the tire is influenced by complicated processing procedures, and the tire root and the tire crown which are spliced into rings still have obvious splicing boundary lines after extrusion forming, so that the integral aesthetic property of the produced tire is influenced.
Disclosure of Invention
The invention provides a manufacturing process and equipment of a high polymer material balance vehicle tire, aiming at overcoming the defects that the processing steps of high polymer material tire processing are complicated, the head end and the tail end of a tire root and a tire crown are directly spliced into a ring, and an obvious splicing boundary line remains after extrusion forming.
The technical scheme is as follows: a high polymer material balance vehicle tire device comprises a preforming unit, a cutting unit, a conveyor, a movable mold, an inner ring bottom groove, an outer ring bottom groove, a bump, a right extruder, a right guide rail, a right telescopic part, a left extruder, a left guide rail and a left telescopic part; the front part of the upper side of the conveyor is connected with a movable mould in a sliding way; the right side of the conveyor is fixedly connected with a right extruder; a left discharge port of the right extruder is fixedly connected with a right guide rail; a right telescopic part is fixedly connected to the left part of the rear side of the right extruder; the left side of the conveyor is fixedly connected with a left extruder; a left guide rail is fixedly connected with a right discharge hole of the left extruder; a left telescopic part is fixedly connected to the right part of the rear side of the left extruder; a preforming unit for quickly prefabricating the polymer sizing material into a ring is fixedly connected between the right guide rail and the left guide rail; the preforming unit is respectively connected with the right telescopic part and the left telescopic part; the front side of the conveyor is connected with a cutting unit for cutting the polymer sizing material.
Further, an inner ring bottom groove is formed in the center of the upper side face of the movable die; an outer ring bottom groove is formed in the outer edge of the upper side face of the movable die; a plurality of lugs are annularly arranged between the inner ring bottom groove and the outer ring bottom groove on the upper side surface of the movable die.
Further explaining, the preforming unit comprises a lower annular outer guide rail, a right lower arc-shaped guide rail, a left lower arc-shaped guide rail, a first connecting block, a lower annular inner guide rail, a double-slider, a connecting rod, a right upper arc-shaped guide rail, a left upper arc-shaped guide rail, a second connecting block, an upper annular outer guide rail, a third connecting block and an upper annular inner guide rail; a lower annular outer guide rail is fixedly connected between the right guide rail and the left guide rail; the left telescopic end of the right telescopic part is fixedly connected with a right lower arc-shaped guide rail; the right telescopic end of the left telescopic part is fixedly connected with a left lower arc-shaped guide rail; the right lower arc-shaped guide rail and the left lower arc-shaped guide rail are tightly attached to the lower surface of the lower annular outer guide rail; the left part of the upper side surface of the lower annular outer guide rail and the right part of the upper side surface of the lower annular outer guide rail are respectively fixedly connected with a first connecting block; a lower annular inner guide rail is fixedly connected between the two first connecting blocks; the upper side surfaces of the two first connecting blocks are respectively connected with a double-sliding block in a sliding manner; a connecting rod is fixedly connected between the two double sliding blocks and the right lower arc-shaped guide rail and the left lower arc-shaped guide rail respectively; the double slide blocks on the right side are fixedly connected with a right upper arc-shaped guide rail; the double sliding blocks positioned on the left side are fixedly connected with a left upper arc-shaped guide rail; the front part of the upper side of the lower annular inner guide rail and the rear part of the upper side of the lower annular inner guide rail are fixedly connected with a second connecting block respectively; an upper annular outer guide rail is fixedly connected between the two second connecting blocks; the upper sides of the right upper arc-shaped guide rail and the left upper arc-shaped guide rail are tightly attached to the lower surface of the upper annular outer guide rail; the upper left part and the upper right part of the upper annular outer guide rail are fixedly connected with a third connecting block respectively; an upper annular inner guide rail is fixedly connected between the two third connecting blocks.
Further, the lower annular guide rail, the right lower arc-shaped guide rail, the left lower arc-shaped guide rail and the lower annular inner guide rail form a lower annular guide groove for conveying the polymer sizing material, and a feeding notch is formed in the right part of the front side of the lower annular outer guide rail.
Further, the upper annular guide groove for conveying the polymer sizing material is formed by the upper right arc-shaped guide rail, the upper left arc-shaped guide rail, the upper annular outer guide rail and the upper annular inner guide rail, and a feeding notch is formed in the left part of the front side of the upper annular outer guide rail.
Further, the cutting unit comprises a first fixing frame, a first lifting part, a fixing block, a right arc-shaped cutter and a left arc-shaped cutter; the left part of the front side of the conveyor is fixedly connected with a first fixing frame; the upper side of the first fixed frame is fixedly connected with a first lifting component; the lower telescopic end of the first lifting component is fixedly connected with a fixed block; the right side of the fixed block is fixedly connected with a right arc-shaped cutter; the right side rigid coupling of fixed block has left part arc cutter.
Further, the right arc-shaped cutter is of an arc-shaped structure corresponding to the inner annular surface of the lower annular outer guide rail.
Further, the left arc-shaped cutter is of an arc-shaped structure corresponding to the inner annular surface of the upper annular outer guide rail.
Further explaining, the extrusion ring forming device also comprises an extrusion ring forming unit, wherein the conveyor is provided with the extrusion ring forming unit which comprises a hydraulic press and a top die; the upper part of the middle side of the conveyor is fixedly connected with a hydraulic press; a hydraulic rod of the hydraulic machine is fixedly connected with a top die; a first convex ring structure is arranged at the central part of the lower side surface of the top die; a third convex ring structure is arranged at the outer edge part of the lower side surface of the top die; between the first bulge loop structure and the third bulge loop structure, the lower side surface of the top die is provided with a second bulge loop structure.
A manufacturing process of a high polymer material balance vehicle tire comprises the following working steps:
s1: extruding the two groups of polymer materials into strips by an extruding device, and respectively extruding the two groups of polymer materials into long strip-shaped polymer sizing materials A and long strip-shaped polymer sizing materials B;
s2: pre-coiling and forming, namely coiling the extruded long strip-shaped polymer sizing material A and the extruded long strip-shaped polymer sizing material B into an annular tire crown sizing material and an annular tire root sizing material respectively;
s3: cutting into a tray, and cutting the annular tire crown rubber material and the annular tire root rubber material which are made into the tray into a mold;
s4: pressing and forming, namely pressing the annular tire crown rubber material and the annular tire root rubber material in the mold into a complete annular tire crown blank and an annular tire root blank;
s5: filling, namely filling the molten high polymer material for forming the pillar between the annular tire crown blank and the annular tire root blank;
s6: and (3) curing and forming, namely curing the annular tire crown blank, the annular tire root blank and the molten high polymer material in the mold into the final tire.
The invention has the beneficial effects that: in the invention, when a high polymer material is just extruded from an extruder, the high polymer material is pre-coiled into an annular high polymer sizing material, because the high polymer sizing material is kept in a softened state, no obvious boundary trace exists at the joint of the head and the tail of the annular high polymer sizing material obtained by pre-coiling, then two groups of annular high polymer sizing materials obtained by pre-coiling are cut into a die to obtain a preformed annular tire root sizing material and an annular tire crown sizing material, the processing steps of extruding into strips, cutting to a fixed length and splicing into rings are combined into one processing step, then the annular tire root sizing material and the annular tire crown sizing material are pressed into a complete annular tire root blank and an annular tire crown blank by a pressing part, then a molten high polymer material for forming a tire column is filled between the annular tire root sizing material and the annular tire crown sizing material, and finally after the curing and forming processing is completed, and the final tire product is obtained, so that the technical problems that the processing steps of the high polymer material tire processing are complicated, the head end and the tail end of the tire root and the tire crown are directly spliced into a ring, and an obvious splicing boundary line exists after extrusion forming are solved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partial perspective view of the present invention;
FIG. 3 is a schematic perspective view of a moving mold according to the present invention;
FIG. 4 is a schematic perspective view of a top mold of the present invention;
FIG. 5 is a tire product display view of the present invention;
FIG. 6 is a schematic perspective view of a preform unit of the present invention;
FIG. 7 is a top view of a preforming unit according to the invention;
FIG. 8 is a first partial exploded view of a preforming unit according to the invention;
fig. 9 is a second partial exploded view of a preforming unit according to the invention.
In the above drawings: 1-conveyor, 2-moving mold, 21-inner ring bottom groove, 22-outer ring bottom groove, 23-lug, 3-right extruder, 31-right guide rail, 32-right telescopic part, 4-left extruder, 41-left guide rail, 42-left telescopic part, 5-tire, 51-root, 52-tire-column part, 53-tire-crown part, 101-lower annular outer guide rail, 102-right lower arc guide rail, 103-left lower arc guide rail, 104-first connecting block, 105-lower annular inner guide rail, 106-double slide block, 107-connecting rod, 108-right upper arc guide rail, 109-left upper arc guide rail, 110-second connecting block, 111-upper annular outer guide rail, 112-third connecting block, 113-an upper annular inner guide rail, 201-a first fixing frame, 202-a first lifting part, 203-a fixing block, 204-a right arc-shaped cutter, 205-a left arc-shaped cutter, 301-a hydraulic press, 302-a top die, 3021-a first convex ring, 3022-a second convex ring, and 3023-a third convex ring.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
In the embodiment of the present invention, the right telescopic member 32, the left telescopic member 42 and the first elevating member 202 are all electric push rods.
Example 1
A high polymer material balance vehicle tire 5 device is shown in figures 1-3 and 6-9 and comprises a preforming unit, a cutting unit, a conveyor 1, a movable die 2, an inner ring bottom groove 21, an outer ring bottom groove 22, a lug 23, a right extruder 3, a right guide rail 31, a right telescopic part 32, a left extruder 4, a left guide rail 41 and a left telescopic part 42; the front part of the upper side of the conveyor 1 is connected with a movable mould 2 in a sliding way; an inner ring bottom groove 21 is arranged at the central part of the upper side surface of the movable die 2; an outer ring bottom groove 22 is formed in the outer edge of the upper side face of the movable die 2; a plurality of lugs 23 are annularly arranged between the inner ring bottom groove 21 and the outer ring bottom groove 22 on the upper side surface of the movable die 2; the right side of the conveyor 1 is fixedly connected with a right extruder 3; a left discharge port of the right extruder 3 is fixedly connected with a right guide rail 31; a right telescopic part 32 is fixedly connected to the left part of the rear side of the right extruder 3; a left extruder 4 is fixedly connected to the left side of the conveyor 1; a left guide rail 41 is fixedly connected with a right discharge hole of the left extruder 4; a left telescopic part 42 is fixedly connected to the right part of the rear side of the left extruder 4; a preforming unit is fixedly connected between the right guide rail 31 and the left guide rail 41; the preforming unit is connected with the right telescopic part 32 and the left telescopic part 42 respectively; a cutting unit is connected to the front side of the conveyor 1.
As shown in fig. 6-7, the preforming unit includes a lower annular outer guide 101, a right lower arc guide 102, a left lower arc guide 103, a first connecting block 104, a lower annular inner guide 105, a double slider 106, a connecting rod 107, a right upper arc guide 108, a left upper arc guide 109, a second connecting block 110, an upper annular outer guide 111, a third connecting block 112, and an upper annular inner guide 113; a lower annular outer guide rail 101 is fixedly connected between the right guide rail 31 and the left guide rail 41; the left telescopic end of the right telescopic part 32 is fixedly connected with a right lower arc-shaped guide rail 102; the right telescopic end of the left telescopic part 42 is fixedly connected with a left lower arc-shaped guide rail 103; the right lower arc-shaped guide rail 102 and the left lower arc-shaped guide rail 103 are tightly attached to the lower surface of the lower annular outer guide rail 101; the left part of the upper side surface and the right part of the upper side surface of the lower annular outer guide rail 101 are respectively welded with a first connecting block 104; a lower annular inner guide rail 105 is connected between the two first connecting blocks 104 through bolts; the upper sides of the two first connecting blocks 104 are respectively connected with a double sliding block 106 in a sliding way; a connecting rod 107 is respectively connected between the two double sliders 106 and the right lower arc-shaped guide rail 102 and the left lower arc-shaped guide rail 103 through bolts; the double-slider 106 on the right side is connected with a right upper arc-shaped guide rail 108 through bolts; the double-slider 106 positioned on the left side is connected with a left upper arc-shaped guide rail 109 through a bolt; the front part of the upper side and the rear part of the upper side of the lower annular inner guide rail 105 are respectively welded with a second connecting block 110; an upper annular outer guide rail 111 is connected between the two second connecting blocks 110 through bolts; the upper sides of the right upper arc-shaped guide rail 108 and the left upper arc-shaped guide rail 109 are tightly attached to the lower surface of the upper annular outer guide rail 111; the upper left part and the upper right part of the upper annular outer guide rail 111 are respectively welded with a third connecting block 112; an upper annular inner guide rail 113 is bolted between the two third connecting blocks 112.
As shown in fig. 8-9, the lower annular outer guide rail 101, the right lower arc-shaped guide rail 102, the left lower arc-shaped guide rail 103 and the lower annular inner guide rail 105 form a lower annular guide groove, and the right part of the front side of the lower annular outer guide rail 101 is provided with a feeding notch; the upper annular guide groove is formed by the upper right arc-shaped guide rail 108, the upper left arc-shaped guide rail 109, the upper annular outer guide rail 111 and the upper annular inner guide rail 113, and a feeding notch is formed in the left part of the front side of the upper annular outer guide rail 111.
As shown in fig. 2 and 6, the cutting unit includes a first fixing frame 201, a first lifting component 202, a fixing block 203, a right arc-shaped cutter 204 and a left arc-shaped cutter 205; a first fixing frame 201 is connected with a left bolt on the front side of the conveyor 1; a first lifting component 202 is connected to the upper side of the first fixing frame 201 through bolts; the lower telescopic end of the first lifting component 202 is connected with a fixing block 203 through a bolt; a right arc-shaped cutter 204 is fixedly connected to the right side of the fixed block 203; the right side of the fixed block 203 is fixedly connected with a left arc-shaped cutter 205.
As shown in fig. 7, the right arc-shaped cutter 204 has an arc-shaped structure corresponding to the inner annular surface of the lower annular outer guide rail 101; the left arc-shaped cutter 205 has an arc-shaped structure corresponding to the inner annular surface of the upper annular outer guide rail 111.
Firstly, an operator or an external mechanical arm puts the movable mould 2 on a conveyor belt of the conveyor 1, the conveyor 1 pushes the movable mould 2 through the conveyor belt, so that an inner ring bottom groove 21 of the movable mould 2 moves to be vertically aligned with an upper annular inner guide rail 113, then two groups of high polymer materials forming a tire root and a tire crown are respectively put into a left extruder 4 and a right extruder 3, the two groups of high polymer materials are respectively extruded into a long columnar polymer sizing material A and a long columnar polymer sizing material B by the left extruder 4 and the right extruder 3, and the two extruded long columnar polymer sizing materials slide out along the left guide rail 41 and the right guide rail 31 respectively.
The high polymer material forming the tire crown is extruded into a long columnar high polymer sizing material A by the right extruder 3 and slides out leftwards along the right guide rail 31, the long columnar high polymer sizing material A continuously extrudes leftwards along the front side gap between the lower annular outer guide rail 101 and the lower annular inner guide rail 105, the extruded long columnar high polymer sizing material A moves along the gap between the lower annular outer guide rail 101 and the lower annular inner guide rail 105, meanwhile, the right lower arc-shaped guide rail 102 and the left lower arc-shaped guide rail 103 support the bottom of the long columnar high polymer sizing material A between the lower annular outer guide rail 101 and the lower annular inner guide rail 105, the deformation of the long columnar high polymer sizing material A due to the suspended bottom is avoided, the head and the tail of the long columnar high polymer sizing material A are connected and coiled into a ring shape after moving for one circle along the gap between the lower annular outer guide rail 101 and the lower annular inner guide rail 105, because the long columnar polymer sizing material A is just extruded from the right extruder 3 and still keeps a softened state, after the long columnar polymer sizing material A is coiled into a ring shape between the lower annular outer guide rail 101 and the lower annular inner guide rail 105, the joint of the head and the tail of the annular long columnar polymer sizing material A is tightly attached, no obvious boundary trace can appear, the long columnar polymer sizing material A just extruded from the right extruder 3 is pre-coiled into the annular tire crown sizing material, and the pre-shaping work of the tire crown is completed.
The polymer material forming the tire root is extruded into long columnar polymer sizing material B by the left extruder 4 and slides out along the left guide rail 41 to the right, the long columnar polymer sizing material B is continuously extruded to the right along the front side gap between the upper annular outer guide rail 111 and the upper annular inner guide rail 113 by the left extruder 4, the extruded long columnar polymer sizing material B moves along the gap between the upper annular outer guide rail 111 and the upper annular inner guide rail 113, meanwhile, the right upper arc-shaped guide rail 108 and the left upper arc-shaped guide rail 109 support the bottom of the long columnar polymer sizing material B between the upper annular outer guide rail 111 and the upper annular inner guide rail 113, the deformation of the long columnar polymer sizing material B due to the suspension of the bottom is avoided, the long columnar polymer sizing material B is jointed and coiled into a ring shape after moving for one circle along the gap between the upper annular outer guide rail 111 and the upper annular inner guide rail 113, because the long columnar polymer rubber material B is just extruded from the left extruder 4 and still keeps a softened state, after the long columnar polymer rubber material B is coiled into a ring shape between the upper annular outer guide rail 111 and the upper annular inner guide rail 113, the joints of the head and the tail of the ring-shaped long columnar polymer rubber material B are tightly attached, no obvious boundary trace can appear, the long columnar polymer rubber material B just extruded from the left extruder 4 is pre-coiled into a ring-shaped tire root rubber material, and the preforming work of the tire root is completed.
Then the lower telescopic end of the first lifting component 202 drives the fixed block 203, the right arc-shaped cutter 204 and the left arc-shaped cutter 205 to move downwards, so that the right arc-shaped cutter 204 is cut into a right feeding notch at the front side of the lower annular outer guide rail 101, the annular tire crown rubber compound between the lower annular outer guide rail 101 and the lower annular inner guide rail 105 is cut off at the joint of the long columnar polymer rubber compound A positioned at the outer side of the lower annular outer guide rail 101, the falling left arc-shaped cutter 205 is cut into the annular tire root rubber compound between the upper annular outer guide rail 111 and the upper annular inner guide rail 113 and the joint of the long columnar polymer rubber compound B positioned at the outer side of the upper annular outer guide rail 111, then the telescopic ends of the left telescopic component 42 and the right telescopic component 32 respectively drive the left lower arc-shaped guide rail 103 and the right lower arc-shaped guide rail 102 to open towards the left side and the right side, and lose the annular tire crown rubber compound supported by the left lower arc-shaped guide rail 103 and the right lower arc-shaped guide rail 102, the rubber material drops downwards into an outer ring bottom groove 22 of the moving mold 2 from between a lower annular outer guide rail 101 and a lower annular inner guide rail 105, the two lower annular inner guide rails 105 respectively drive two double sliders 106 to follow the left lower arc-shaped guide rail 103 and the right lower arc-shaped guide rail 102 and open towards the left and right along a first connecting block 104, the two double sliders 106 drive the left lower arc-shaped guide rail 103 and the right lower arc-shaped guide rail 102 to open towards the left and right, the annular tire root rubber material supported by the left lower arc-shaped guide rail 103 and the right lower arc-shaped guide rail 102 is lost and drops downwards into an inner ring bottom groove 21 of the moving mold 2 from between an upper annular outer guide rail 111 and an upper annular inner guide rail 113, and the feeding work of the annular tire crown rubber material and the annular tire root rubber material is completed.
Then the conveyer 1 pushes the moving die 2 to move backwards through the conveyer belt, the annular crown rubber material and the annular base rubber material in the moving die 2 are pressed and formed by an external pressing device, so that the annular crown rubber material and the annular base rubber material in the moving die 2 are pressed into complete annular crown blank and annular base blank, then the conveyer 1 pushes the moving die 2 to move backwards through the conveyer belt, the molten high polymer material is injected and filled into gaps between every two lugs 23 of the moving die 2 by the external injection and filling device, because annular gaps are reserved between the annular crown blank and the annular base rubber material and the lugs 23 of the moving die 2 respectively, the molten high polymer material filled into the gaps between every two lugs 23 of the moving die 2 respectively flows into two annular gaps between the annular crown blank and the annular base rubber material and the lugs 23 of the moving die 2, finally, the movable mold 2 is sent to a curing device, and is cured into a final product under a specified temperature and pressure, as shown in fig. 5, the annular bead blank is cured to form a bead root 51, the molten polymer material is cured to form a bead portion 52, the annular bead blank is cured to form a bead crown portion 53, and the bead root 51, the bead portion 52 and the bead crown portion 53 are tightly fitted to constitute the tire 5.
Example 2
As shown in fig. 1-4, the present embodiment is further optimized on the basis of embodiment 1, and further includes an extrusion ring forming unit, the conveyor 1 is provided with the extrusion ring forming unit, and the extrusion ring forming unit includes a hydraulic press 301 and a top die 302; the upper part of the middle side of the conveyor 1 is fixedly connected with a hydraulic press 301; a top die 302 is fixedly connected to a hydraulic rod of the hydraulic machine 301; the center part of the lower side surface of the top die 302 is provided with a first convex ring 3021 structure; a third convex ring 3023 structure is arranged at the outer edge of the lower side surface of the top die 302; between the first and third male ring 3021 and 3023 structures, the underside of the top mold 302 is provided with a second male ring 3022 structure.
In the process of performing compression molding on the annular crown rubber compound and the annular root rubber compound in the movable mold 2, firstly, the conveyor 1 pushes the movable mold 2 to move below the top mold 302 through the conveyor belt, then, a hydraulic rod of the hydraulic press 301 drives the top mold 302 to press down on the movable mold 2, a groove part between a first convex ring 3021 in the top mold 302 and a second convex ring 3022 in the top mold 302 cooperates with the inner ring bottom groove 21 of the movable mold 2 to press the annular root rubber compound in the movable mold 2 into a complete annular root rubber compound, and meanwhile, a groove part outside a third convex ring 3023 in the top mold 302 cooperates with the outer ring bottom groove 22 of the movable mold 2 to press the annular crown rubber compound in the movable mold 2 into a complete annular crown rubber compound, thereby completing the compression molding of the annular root rubber compound and the annular crown rubber compound.
A manufacturing process of a high polymer material balance vehicle tire comprises the following working steps:
s1: extruding the two groups of polymer materials into strips by an extruding device, and respectively extruding the two groups of polymer materials into long strip-shaped polymer sizing materials A and long strip-shaped polymer sizing materials B;
s2: pre-coiling and forming, namely coiling the extruded long strip-shaped polymer sizing material A and the extruded long strip-shaped polymer sizing material B into an annular tire crown sizing material and an annular tire root sizing material respectively;
s3: cutting into a tray, and cutting the annular tire crown rubber material and the annular tire root rubber material which are made into the tray into a mold;
s4: pressing and forming, namely pressing the annular tire crown rubber material and the annular tire root rubber material in the mold into a complete annular tire crown blank and an annular tire root blank;
s5: filling, namely filling the molten high polymer material for forming the pillar between the annular tire crown blank and the annular tire root blank;
s6: and (3) curing and forming, namely curing the annular tire crown blank, the annular tire root blank and the molten high polymer material in the mold into the final tire.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (10)
1. A high polymer material balance vehicle tire device comprises a conveyor (1), a movable mold (2), an inner ring bottom groove (21), an outer ring bottom groove (22), a bump (23), a right extruder (3), a right guide rail (31), a right telescopic part (32), a left extruder (4), a left guide rail (41) and a left telescopic part (42); the front part of the upper side of the conveyor (1) is connected with a movable mould (2) in a sliding way; a right extruder (3) is fixedly connected to the right side of the conveyor (1); a left discharge port of the right extruder (3) is fixedly connected with a right guide rail (31); a right telescopic component (32) is fixedly connected to the left part of the rear side of the right extruder (3); a left extruder (4) is fixedly connected to the left side of the conveyor (1); a left guide rail (41) is fixedly connected with a right discharge hole of the left extruder (4); a left telescopic component (42) is fixedly connected to the right part of the rear side of the left extruder (4);
the method is characterized in that: the device also comprises a preforming unit and a cutting unit; a preforming unit for quickly prefabricating the polymer sizing material into a ring is fixedly connected between the right guide rail (31) and the left guide rail (41); the preforming unit is respectively connected with the right telescopic part (32) and the left telescopic part (42); the front side of the conveyor (1) is connected with a cutting unit for cutting the polymer sizing material.
2. The high polymer material balance vehicle tire device of claim 1, wherein: an inner ring bottom groove (21) is arranged at the center part of the upper side surface of the movable die (2); an outer ring bottom groove (22) is formed in the outer edge of the upper side face of the movable die (2); a plurality of lugs (23) are annularly arranged between the inner ring bottom groove (21) and the outer ring bottom groove (22) on the upper side surface of the movable die (2).
3. The high polymer material balance vehicle tire device of claim 2, wherein: the preforming unit comprises a lower annular outer guide rail (101), a right lower arc-shaped guide rail (102), a left lower arc-shaped guide rail (103), a first connecting block (104), a lower annular inner guide rail (105), a double sliding block (106), a connecting rod (107), a right upper arc-shaped guide rail (108), a left upper arc-shaped guide rail (109), a second connecting block (110), an upper annular outer guide rail (111), a third connecting block (112) and an upper annular inner guide rail (113); a lower annular outer guide rail (101) is fixedly connected between the right guide rail (31) and the left guide rail (41); the left telescopic end of the right telescopic part (32) is fixedly connected with a right lower arc-shaped guide rail (102); the right telescopic end of the left telescopic part (42) is fixedly connected with a left lower arc-shaped guide rail (103); the right lower arc-shaped guide rail (102) and the left lower arc-shaped guide rail (103) are tightly attached to the lower surface of the lower annular outer guide rail (101); the left part of the upper side surface of the lower annular outer guide rail (101) and the right part of the upper side surface are respectively fixedly connected with a first connecting block (104); a lower annular inner guide rail (105) is fixedly connected between the two first connecting blocks (104); the upper side surfaces of the two first connecting blocks (104) are respectively connected with a double sliding block (106) in a sliding way; a connecting rod (107) is respectively and fixedly connected between the two double sliding blocks (106) and the right lower arc-shaped guide rail (102) and the left lower arc-shaped guide rail (103); a right upper arc-shaped guide rail (108) is fixedly connected with the double sliding blocks (106) positioned on the right side; a left upper arc-shaped guide rail (109) is fixedly connected with the double sliding blocks (106) positioned on the left side; the front part of the upper side and the rear part of the upper side of the lower annular inner guide rail (105) are respectively fixedly connected with a second connecting block (110); an upper annular outer guide rail (111) is fixedly connected between the two second connecting blocks (110); the upper sides of the right upper arc-shaped guide rail (108) and the left upper arc-shaped guide rail (109) are tightly attached to the lower surface of the upper annular outer guide rail (111); the upper left part and the upper right part of the upper annular outer guide rail (111) are respectively fixedly connected with a third connecting block (112); an upper annular inner guide rail (113) is fixedly connected between the two third connecting blocks (112).
4. The high polymer material balance vehicle tire device of claim 3, wherein: the lower annular guide groove for conveying the high-molecular rubber material is formed by a lower annular outer guide rail (101), a right lower arc-shaped guide rail (102), a left lower arc-shaped guide rail (103) and a lower annular inner guide rail (105), and a feeding notch is formed in the right part of the front side of the lower annular outer guide rail (101).
5. The high polymer material balance vehicle tire device of claim 4, wherein: an upper annular guide groove for conveying the polymer sizing material is formed by the upper right arc-shaped guide rail (108), the upper left arc-shaped guide rail (109), the upper annular outer guide rail (111) and the upper annular inner guide rail (113), and a feeding notch is formed in the left part of the front side of the upper annular outer guide rail (111).
6. The high polymer material balance vehicle tire device of claim 5, wherein: the cutting unit comprises a first fixing frame (201), a first lifting component (202), a fixing block (203), a right arc-shaped cutter (204) and a left arc-shaped cutter (205); a first fixing frame (201) is fixedly connected to the left part of the front side of the conveyor (1); a first lifting component (202) is fixedly connected to the upper side of the first fixing frame (201); the lower telescopic end of the first lifting component (202) is fixedly connected with a fixed block (203); a right arc-shaped cutter (204) is fixedly connected to the right side of the fixed block (203); the right side of the fixed block (203) is fixedly connected with a left arc-shaped cutter (205).
7. The high polymer material balance vehicle tire device of claim 6, wherein: the right arc-shaped cutter (204) is of an arc-shaped structure corresponding to the inner annular surface of the lower annular outer guide rail (101).
8. The high polymer material balance vehicle tire device of claim 7, wherein: the left arc-shaped cutter (205) is of an arc-shaped structure corresponding to the inner annular surface of the upper annular outer guide rail (111).
9. The high polymer material balance vehicle tire apparatus of claim 8, wherein: the extrusion ring forming device is characterized by also comprising an extrusion ring forming unit, wherein the extrusion ring forming unit is arranged on the conveyor (1) and comprises a hydraulic machine (301) and a top die (302); a hydraulic machine (301) is fixedly connected to the upper part of the middle side of the conveyor (1); a top die (302) is fixedly connected with a hydraulic rod of the hydraulic machine (301); the center part of the lower side surface of the top die (302) is provided with a first convex ring (3021) structure; the outer edge part of the lower side surface of the top die (302) is provided with a third convex ring (3023) structure; between the first (3021) and third (3023) ring structures, the underside of the top mould (302) is provided with a second (3022) ring structure.
10. A manufacturing process of a high polymer material balance vehicle tire is characterized by comprising the following steps: the manufacturing process uses the high polymer material balance vehicle tire equipment as claimed in any one of claims 1 to 9, and comprises the following working steps:
s1: extruding the two groups of polymer materials into strips by an extruding device, and respectively extruding the two groups of polymer materials into long strip-shaped polymer sizing materials A and long strip-shaped polymer sizing materials B;
s2: pre-coiling and forming, namely coiling the extruded long strip-shaped polymer sizing material A and the extruded long strip-shaped polymer sizing material B into an annular tire crown sizing material and an annular tire root sizing material respectively;
s3: cutting into a tray, and cutting the annular tire crown rubber material and the annular tire root rubber material which are made into the tray into a mold;
s4: pressing and forming, namely pressing the annular tire crown rubber material and the annular tire root rubber material in the mold into a complete annular tire crown blank and an annular tire root blank;
s5: filling, namely filling the molten high polymer material for forming the pillar between the annular tire crown blank and the annular tire root blank;
s6: and (3) curing and forming, namely curing the annular tire crown blank, the annular tire root blank and the molten high polymer material in the mold into the final tire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111570783.3A CN114211795B (en) | 2021-12-21 | 2021-12-21 | Manufacturing process and equipment for high polymer material balance tire |
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| CN202111570783.3A CN114211795B (en) | 2021-12-21 | 2021-12-21 | Manufacturing process and equipment for high polymer material balance tire |
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| CN114211795B CN114211795B (en) | 2023-05-12 |
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| CN114211795B (en) | 2023-05-12 |
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