CN117301468A - Tire tread pressure outlet type device with conductive structure for tread four-compound extrusion - Google Patents
Tire tread pressure outlet type device with conductive structure for tread four-compound extrusion Download PDFInfo
- Publication number
- CN117301468A CN117301468A CN202311371775.5A CN202311371775A CN117301468A CN 117301468 A CN117301468 A CN 117301468A CN 202311371775 A CN202311371775 A CN 202311371775A CN 117301468 A CN117301468 A CN 117301468A
- Authority
- CN
- China
- Prior art keywords
- mouth shape
- crown
- mold
- tread
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 title abstract description 12
- 239000000853 adhesive Substances 0.000 claims abstract description 85
- 230000001070 adhesive effect Effects 0.000 claims abstract description 85
- 238000013329 compounding Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000002131 composite material Substances 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/3001—Extrusion nozzles or dies characterised by the material or their manufacturing process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
The invention relates to a tire tread pressure outlet type device with a conductive structure for tread four-compound extrusion, belonging to the field of tire production equipment. The plastic rubber mold is characterized in that a mold box is arranged, a pre-mold is arranged in the mold box, an outer mold is arranged at the position of a rubber outlet of the pre-mold, side rubber passages are arranged on two sides of the upper part of the pre-mold, a crown 1 rubber passage, a crown 2 rubber passage and a base rubber passage which are sequentially arranged in parallel from top to bottom, and a conductive rubber passage at the center of the pre-mold, wherein the outer mold comprises an outer mold upper plate and an outer mold lower plate which are fixedly connected through outer mold fixing bolts, an outer mold tread rubber outlet is arranged between the outer mold upper plate and the outer mold lower plate, the pre-mold is assembled with the mold box through positioning pins, and the outer mold is assembled with the mold box through outer mold positioning grooves. The invention can realize the extrusion of the tread with the conductive adhesive for tire enterprises with four composite extrusion tread production lines, thereby greatly saving equipment purchasing and reconstruction cost.
Description
Technical Field
The invention relates to the field of tire production equipment, in particular to a tire tread pressure outlet type device with a conductive structure for four-tread composite extrusion.
Background
As is well known, the wide research of the existing passenger car tires in the aspects of low rolling resistance, high wet skid resistance and the like leads the application of the white carbon black in the passenger car tires to be wider and the proportion to be higher, the high content of the white carbon black in the tread leads the conductive performance of the tires to be obviously deteriorated, static electricity generated in the running process of the tires cannot be smoothly conducted to the ground, and potential safety hazards are brought to drivers and passengers; therefore, a tread extrusion production line of some new tire factories selects five composite extruders, namely, to extrude the tread with the conductive adhesive, so as to keep good conductive performance of the finished tire. This can result in a significant increase in equipment procurement costs for the tire enterprise, as well as increased operator work difficulty. It is known that tread pressing lines of some tire manufacturing enterprises are mostly four-composite extrusion, and the existing mouth-shaped device cannot realize the extrusion of the tread with the conductive adhesive, so that the development and production of new products of various tire enterprises are greatly restricted.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a tire tread pressure outlet type device with a conductive structure for four-compound extrusion of a tire tread, which solves the problem that the conventional tire tread four-compound extrusion production line for tire enterprises cannot produce a tread with a conductive function and meets the requirement of extruding the tire tread with conductive rubber at different positions.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a tire tread pressure export type device that has electrically conductive structure is extruded to tread four complex, be equipped with the mouth shape box, mouth shape box internally mounted has the mouth shape in advance, be equipped with outer mouth shape in the play gum mouth position of mouth shape in advance, characterized by is equipped with flank gum passageway in advance on mouth shape upper portion both sides, crown 1 gum passageway that top-down parallel arrangement in proper order, crown 2 gum passageway, the base gum passageway, and in advance the electrically conductive gum passageway of mouth shape central point put, outer mouth shape includes outer mouth shape upper plate and outer mouth shape hypoplastron through outer mouth shape fixing bolt fixed connection, be outer mouth shape tread rubber mouth between outer mouth shape upper plate and the outer mouth shape hypoplastron, the mouth shape is equipped with mouth shape box location through the locating pin in advance, outer mouth shape is equipped with mouth shape box through outer mouth shape constant head tank.
The conductive adhesive channel is horn-shaped, the conductive adhesive channel is positioned in the base adhesive channel, the conductive adhesive channel and the base adhesive channel are shared, the conductive adhesive channel is open, the whole channel plane of the conductive adhesive channel extends downwards to be flush with the lower plane of the pre-orifice, meanwhile, the narrow orifice extends to penetrate through the crown 1 adhesive channel and the crown 2 adhesive channel of the pre-orifice, and the crown 1 adhesive channel, the crown 2 adhesive channel and the base adhesive channel are divided into two symmetrical channels.
The side wall of the conductive adhesive channel is wedge-shaped, the adhesive inlet of the conductive adhesive channel is a horn wide opening, the conductive adhesive outlet of the conductive adhesive channel is rectangular, and the upper edge of the rectangle is flush with the adhesive outlet of the crown 1.
The invention has the beneficial effects that for tire enterprises with four composite extrusion tread production lines, new equipment is not required to be purchased, the existing four composite extruders are not required to be modified, the tread with the conductive adhesive can be extruded by processing one set of die devices, the equipment purchasing and modifying cost is greatly saved, the development and production progress of new products of tires with the conductive adhesive, which are required for different purposes, are accelerated, and the enterprise benefit is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a side view of the present invention
FIG. 2 is an oblique view of the present invention
FIG. 3 is a rear view of the pre-orifice of the present invention
FIG. 4 is a front view of the pre-orifice of the present invention
FIG. 5 is a side view of the pre-orifice of the present invention
FIG. 6 is an exploded view of the present invention from the outside
FIG. 7 is a front view of the outer die of the present invention
FIG. 8 is a schematic view of a tread structure of a four-compound extruded conductive tire
In the figure, 1, a die box, 2, a pre-die, 3, an outer die, 4, a side wing rubber channel, 5, a crown 1 rubber channel, 6, a crown 2 rubber channel, 7, a base rubber channel, 8, a pre-die positioning block, 9, a conductive rubber channel, 10, an outer die fixing bolt, 11, an outer die upper plate, 12, an outer die positioning groove, 13, an outer die tread rubber outlet, 14, an outer die lower plate, 15, a rear plane, 16, a front plane, 17, an upper plane and 18, a lower plane.
Detailed Description
In the figure, the invention is provided with a die box 1, a pre-die 2 and an outer die 3 are assembled in the die box 1, two side wing glue channels 4, two crown 1 glue channels 5, two crown 2 glue channels 6, two base glue channels 7 and one conductive glue channel 9 are respectively processed on the pre-die 2, the front view and the rear view of the pre-die 2 relate to 4 planes which are respectively defined as a rear plane 15, a front plane 16, an upper plane 17 and a lower plane 18, the two side wing glue channels 4 of the pre-die 2 are positioned on the surface of the upper plane 17, the two crown 1 glue channels 5 penetrate through the pre-die 2 from the upper part 50mm of the rear plane 15 to the upper part of the front plane 16, the two crown 2 glue channels 6 penetrate through the pre-die 2 from the position 105mm of the upper part of the rear plane 15 to the middle part of the front plane 16, the conductive adhesive channels 9 and the base adhesive channels 7 share an adhesive inlet, the conductive adhesive channels 9 are positioned on the surface of a lower plane 18 of the pre-opening 2, the conductive adhesive channels 9 are positioned at the center position of the pre-opening 2 in the left-right direction, the side wing adhesive channels 4, the crown 1 adhesive channels 5, the crown 2 adhesive channels 6 and the base adhesive channels 7 extend from top to bottom and are arranged in parallel, and meanwhile, the side wing adhesive channels 4, the crown 1 adhesive channels 5, the crown 2 adhesive channels 6, the base adhesive channels 7 and the conductive adhesive channels 9 are distributed in a central bilateral symmetry mode, the adhesive inlets are shared by the side wing adhesive channels 4, the crown 1 adhesive channels 5, the crown 2 adhesive channels 6, the base adhesive channels 7 and the conductive adhesive channels 9, all the adhesive inlets of the corresponding channels are positioned on a front plane 16, the conductive adhesive channels 9 and the base adhesive channels 7 share one adhesive inlet, and the conductive adhesive channels 9 extend upwards to penetrate through the base adhesive channels 7, the crown 2 adhesive channels 6 and the crown 1 adhesive channels 5. The outer die 3 comprises an outer die upper plate 11 and an outer die lower plate 14 which are fixedly connected through an outer die fixing bolt 10, an outer die tread rubber outlet 13 is arranged between the outer die upper plate 11 and the outer die lower plate 14, the pre-die 2 is assembled with the die box 1 in a positioning way through a pre-die positioning block 8, and the outer die 3 is assembled with the die box 1 through an outer die positioning groove 12.
A horn-shaped conductive adhesive channel 9 is independently arranged in a base adhesive channel 7 of the pre-orifice type 2, the conductive adhesive inlet is 25mm away from the adhesive inlet of the pre-orifice type 2, the conductive adhesive channel 9 is open and is shared by the base adhesive channel 7, the plane of the conductive adhesive channel 9 integrally extends downwards to be flush with a lower plane 18 of the pre-orifice type, meanwhile, the inner part of the narrow orifice extends to penetrate through a crown 1 adhesive channel 5 and a crown 2 adhesive channel 6 of the pre-orifice type 2, the crown 1 adhesive channel 5, the crown 2 adhesive channel 6 and the base adhesive channel 7 are divided into two symmetrical channels, the side wall of the conductive adhesive channel 9 is wedge-shaped, the thickest part of the wedge-shaped wall is 4.2mm, and the width of the wedge-shaped bottom is 3.5mm; the entrance of the conductive adhesive channel 9 is a horn wide opening, the entrance width is 15mm, the conductive adhesive outlet is rectangular, the upper edge of the rectangle is flush with the adhesive outlet of the crown 1, the outlet of the conductive adhesive channel 9 is 3mm wide, and then the base adhesive with excellent conductivity is guided to the upper part of the tread by the base adhesive channel 7, so that the effect of preventing deformation can be supported and prevented when the conductive adhesive penetrating through the tread is formed.
The side wing rubber flows through the side wing rubber channel 4 of the pre-mouth shape 2 to the outer mouth tread rubber outlet 13 of the outer mouth shape 3, the crown 1 rubber flows through the crown 1 rubber channel 5 of the pre-mouth shape 2 to the outer mouth tread rubber outlet 13 of the outer mouth shape 3, the crown 2 rubber flows through the crown 2 rubber channel 6 of the pre-mouth shape 2 to the outer mouth tread rubber outlet 13 of the outer mouth shape 3, the base rubber flows through the base rubber channel 7 of the pre-mouth shape 2 to the outer mouth tread rubber outlet 13 of the outer mouth shape 3, the base rubber (conductive rubber) isolated in the base rubber channel 7 flows through the conductive rubber channel 9 to the outer mouth tread rubber outlet 13 of the outer mouth shape 3, finally flows through the side wing rubber channel 4, the crown 1 rubber channel 5, the crown 2 rubber channel 6, the base rubber channel 7 and the conductive rubber channel 9 of the outer mouth tread rubber outlet 13 of the outer mouth shape 3, and the conductive rubber is isolated by the conductive rubber 9 in the base rubber channel when flowing through the base rubber channel 7 to the outer mouth tread rubber outlet 13.
Claims (3)
1. The utility model provides a tire tread pressure export type device that has electrically conductive structure is extruded to tread four complex, be equipped with the mouth shape box, mouth shape box internally mounted has the mouth shape in advance, be equipped with outer mouth shape in the play gum mouth position of mouth shape in advance, characterized by, be equipped with flank gum passageway in advance on mouth shape upper portion both sides, crown 1 gum passageway that top-down parallel arranged in proper order, crown 2 gum passageway, the base gum passageway, and in advance the electrically conductive gum passageway of mouth shape central point put, outer mouth shape includes outer mouth shape upper plate and outer mouth shape lower plate through outer mouth shape fixing bolt fixed connection, be outer mouth shape tread rubber mouth between outer mouth shape upper plate and the outer mouth shape lower plate, the mouth shape is assembled through locating pin and mouth shape box location in advance, outer mouth shape is assembled through outer mouth shape constant head tank, electrically conductive gum passageway be loudspeaker form, electrically conductive gum passageway and base gum passageway share, electrically conductive gum passageway is open.
2. The device of claim 1, wherein the conductive adhesive channel is located in the base adhesive channel, the channel plane of the conductive adhesive channel extends downward to be flush with the lower plane of the pre-orifice, and the narrow orifice extends through the crown 1 adhesive channel and the crown 2 adhesive channel of the pre-orifice, and divides the crown 1 adhesive channel, the crown 2 adhesive channel and the base adhesive channel into two symmetrical channels.
3. The device for extruding the tire tread pressure outlet with the conductive structure by compounding the tire tread four according to claim 1, wherein the side wall of the conductive adhesive channel is wedge-shaped, the adhesive inlet of the conductive adhesive channel is a horn wide opening, the conductive adhesive outlet of the conductive adhesive channel is rectangular, and the upper edge of the rectangle is flush with the adhesive outlet of the crown 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311371775.5A CN117301468A (en) | 2023-10-23 | 2023-10-23 | Tire tread pressure outlet type device with conductive structure for tread four-compound extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311371775.5A CN117301468A (en) | 2023-10-23 | 2023-10-23 | Tire tread pressure outlet type device with conductive structure for tread four-compound extrusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117301468A true CN117301468A (en) | 2023-12-29 |
Family
ID=89297114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311371775.5A Pending CN117301468A (en) | 2023-10-23 | 2023-10-23 | Tire tread pressure outlet type device with conductive structure for tread four-compound extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117301468A (en) |
-
2023
- 2023-10-23 CN CN202311371775.5A patent/CN117301468A/en active Pending
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