CN105150437A - Agricultural tyre mould structure - Google Patents
Agricultural tyre mould structure Download PDFInfo
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- CN105150437A CN105150437A CN201510643245.0A CN201510643245A CN105150437A CN 105150437 A CN105150437 A CN 105150437A CN 201510643245 A CN201510643245 A CN 201510643245A CN 105150437 A CN105150437 A CN 105150437A
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- land area
- lug boss
- concave part
- lower concave
- die
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Abstract
The invention discloses an agricultural tyre mould structure, which is of a two-sheet structure formed by an upper die and a lower die, wherein inner cavity pattern rib structures which are arranged at intervals along the periphery are formed in cavities of the upper die and the lower die; the upper die and the lower die are also provided with folding crown compound die faces; upper mould convex parts are arranged on the crown compound die face of the upper die; lower mould concave parts are arranged on the crown compound die face of the lower die; the convex parts comprise top convex compound die faces and side convex oblique auxiliary compound die faces; the concave parts comprise bottom concave compound die faces and side concave oblique auxiliary compound die faces; and meanwhile, the top convex compound die faces of the upper mould convex parts and the bottom concave compound die faces of the lower concave parts are in clearance fit. According to the agricultural tyre mould structure, the match between the upper die and the lower die can be ensured; the jogged guide of the dies can be improved; the effect of reducing excessive glue can be reached; a mass of excessive glue can be avoided when paddy filed tyres and other high-depth rib tyres are vulcanized; and the appearance and the use performance are improved.
Description
Technical field
The present invention relates to a kind of agricultural tyre mould, refer to that a kind of mould of two-chip type agricultural tyre mould land area crown decorative pattern bone closes structure especially.
Background technology
Along with the mechanization of agricultural industry, the application of agricultural machinery is also more and more extensive, agricultural tyre is as one of the important carrier of mechanization, mainly contain common herringbone tire and the large classification of paddy field tire two at present, for meeting the spoil disposal of paddy field tire when operation and hauling ability, usual employing low land ratio, high depth Pattern Design, this is also the conventional design gimmick of current paddy field tire decorative pattern, but so design, when two mould sulfidations, produce pattern block that a common problem is high depth decorative pattern and groove drop larger, in the ditch bottom of tire, the i.e. decorative pattern bony site of mould, can continue to produce relatively large extruding force in sulfidation, until tread mix fills up die cavity, form one deck in crown groove on finished tire to overflow film.As shown in Figure 1, agricultural tyre tyre surface arranges several pattern blocks 1 ', arrange in circumferential interval, between two adjacent lugs 1 ', groove 2 ' is set, be positioned at the mould land area of tire, namely mold pattern bony site can form one deck and to overflow film 3 ', this excessive film 3 ' connects adjacent two pattern blocks 1 ' and is covered with whole bottom of trench, except affecting outward appearance, in use can affect spoil disposal performance, if manually prune, easy affect production efficiency and improve production cost, and easily form knife wound, for solving the problem, this case is just proposed.
Summary of the invention
The object of this invention is to provide a kind of agricultural tyre mould structure, can avoid forming a large amount of glue that overflows, to promote outward appearance and the serviceability of tire in the groove bottom at land area place during the high depth rib tire sulfurations such as paddy field tire.
For achieving the above object, solution of the present invention is:
A kind of agricultural tyre mould, the two-chip type structure that it is made up of patrix and counterdie, is formed respectively in the die cavity of patrix and counterdie in the spaced interior die cavity decorative pattern bone structure of circumference, another patrix and counterdie is also provided with involutory crown land area; Wherein: the crown land area of described patrix arranges mo(u)ld top half lug boss, and the crown land area of counterdie arranges mo(u)ld bottom half lower concave part, described lug boss comprises the protruding land area at top and the auxiliary land area of projection inclination of sidepiece; The recess of recess land area and sidepiece that described lower concave part comprises bottom tilts to assist land area; Recess land area simultaneously bottom the protruding land area at mo(u)ld top half lug boss top and mo(u)ld bottom half lower concave part adopts matched in clearance.
Described mo(u)ld top half lug boss and mo(u)ld bottom half lower concave part are all positioned on die cavity decorative pattern bone land area edge
Described mo(u)ld top half lug boss and mo(u)ld bottom half lower concave part are all positioned at close to die cavity decorative pattern bone land area edge, then lug boss be comprise two protruding tilt auxiliary land area, and lower concave part comprises and also comprises two recesses and to tilt auxiliary land area.
The difference in height of the recessed height of described mo(u)ld bottom half lower concave part and mo(u)ld top half lug boss height of projection should be greater than 0 and be less than 2mm.
The recess land area of the protruding land area of described mo(u)ld top half lug boss and lower concave part adopts and is horizontally disposed with, and tilts to assist land area and recess to tilt to assist land area to adopt arc transition respectively with projection.
The width of the protruding land area of described mo(u)ld top half lug boss is 2 ~ 4mm; The width of the recess land area of mo(u)ld bottom half lower concave part is 2 ~ 4mm.
The projection of described mo(u)ld top half lug boss the tilt angle that auxiliary land area and horizontal plane form of the recess of auxiliary land area or mo(u)ld bottom half lower concave part that tilts is greater than 45 ° and be less than 90 °.
After adopting such scheme, the present invention by arranging the mo(u)ld top half lug boss and mo(u)ld bottom half lower concave part tilt with auxiliary land area on mould crown land area, recess land area simultaneously bottom the protruding land area at mo(u)ld top half lug boss top and mo(u)ld bottom half lower concave part adopts matched in clearance, the cooperation of upper/lower die can be guaranteed, promote the guidance quality that mould is chimeric, and reach the effect reducing excessive glue, avoid the high depth rib tires such as paddy field tire and form a large amount of excessive glue when sulfuration, improve outward appearance and serviceability.
Accompanying drawing explanation
Fig. 1 is the shaping tire construction schematic diagram of existing tire-mold;
Fig. 2 is the shaping tire construction schematic diagram of tire-mold of the present invention;
Fig. 3 is the structure sectional view of patrix at crown decorative pattern bone land area of the embodiment of the present invention 1;
Fig. 3 A is that the A-A ' of Fig. 3 is to sectional view;
Fig. 4 is the structure sectional view of counterdie at crown decorative pattern bone land area of the embodiment of the present invention 1;
Fig. 4 A is that the B-B ' of Fig. 4 is to sectional view;
Fig. 5 is that patrix and the counterdie of the embodiment of the present invention 1 coordinates partial structurtes sectional view at crown decorative pattern bone land area;
Fig. 6 is the structure sectional view of patrix at crown decorative pattern bone land area of the embodiment of the present invention 2;
Fig. 6 A is that the C-C ' of Fig. 6 is to sectional view;
Fig. 7 is the structure sectional view of counterdie at crown decorative pattern bone land area of the embodiment of the present invention 2;
Fig. 7 A is that the D-D ' of Fig. 7 is to sectional view;
Fig. 8 is that patrix and the counterdie of the embodiment of the present invention 2 coordinates partial structurtes sectional view at crown decorative pattern bone land area.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail:
As shown in Fig. 2 to Fig. 8, present invention is disclosed a kind of agricultural tyre mould, its two-chip type structure be made up of patrix 1 and counterdie 2, wherein be formed with the structure in the spaced interior die cavity decorative pattern bone 11,21 of circumference in patrix 1 and the die cavity of counterdie 2 respectively, another patrix 1 and counterdie 2 are also provided with involutory crown land area 12,22;
Key of the present invention is: the crown land area 12 of wherein patrix 1 arranges mo(u)ld top half lug boss 13, and the crown land area 22 of counterdie 2 being arranged mo(u)ld bottom half lower concave part 23, the projection of protruding land area 131 and sidepiece that described lug boss 13 comprises top tilts to assist land area 132; The recess of recess land area 231 and sidepiece that described lower concave part 23 comprises bottom tilts to assist land area 232; The protruding land area 133 at mo(u)ld top half lug boss 13 top adopts matched in clearance with the recess land area 233 bottom mo(u)ld bottom half lower concave part 23 simultaneously, and namely the height of projection H1 of mo(u)ld top half lug boss 13 should lower than the recessed height H 2 of mo(u)ld bottom half lower concave part 23.Structure like this can guarantee the cooperation of upper/lower die, promote the guidance quality that mould is chimeric, and reach the effect reducing excessive glue, namely in agricultural tyre sulfidation, after interior pressure extrusion, part sizing material can be overflowed outward by land area, and tilt to assist land area 132 and recess to tilt to assist land area 232 place to be obstructed in involutory projection, therefore on finished tire, form neat excessive glue thin slice 4, as shown in Figure 2, save artificial finishing, improve finished product agricultural tyre production efficiency, promote the outward appearance of tire further.
Embodiments of the invention 1 as shown in Figures 3 to 5, described mo(u)ld top half lug boss 13 and mo(u)ld bottom half lower concave part 23 are all positioned on die cavity decorative pattern bone 11,21 land area edge, the setting of position like this, can reach the effect controlling excessive film length.
Shown in composition graphs 5, the difference in height of described mo(u)ld bottom half lower concave part 23 recessed height H 2 type and mo(u)ld top half lug boss 13 height of projection H1 should be greater than 0 and be less than 2mm, this difference in height is utilized to design, the protruding seal tilting to assist land area 132 to tilt to assist land area 232 to coordinate with recess can be promoted, thus the sizing material of spilling is controlled in reasonable Yi Jiao district.
In order to promote the guidance quality of mould male-female engagement further, the recess land area 231 of the protruding land area 131 of mo(u)ld top half lug boss 13 and lower concave part 23 adopts and is horizontally disposed with, and tilt to assist land area 132 and recess to tilt to assist land area 232 to adopt arc transition respectively with projection, and then lifting guidance quality, reduce unnecessary mould and crack wound between the teeth.
The width W 1(of the protruding land area 131 of described mo(u)ld top half lug boss 13 and patrix decorative pattern bone leading surface 133 to projection tilt to assist the beeline of land area 132) should be 2 ~ 4mm.The width W 2(of the recess land area 231 of described mo(u)ld bottom half lower concave part 23 and counterdie decorative pattern bone leading surface 233 to recess tilt to assist the beeline of land area 232) should be 2 ~ 4mm; by the design of this length; further control is overflow the spilling length of film and planarization, promotes the aesthetic property of finished tire.
The angle that the projection of described mo(u)ld top half lug boss 13 tilts to assist the recess of land area 132 or mo(u)ld bottom half lower concave part 23 to tilt to assist land area 232 and horizontal plane to form is α, it should meet is 45 ° of < α < 90 °, and this is designed with the guidance quality being beneficial to and promoting mould jog position.
Whole installation like this, can guarantee the guidance quality of mould matched moulds, improves finished tire and occurs that a large amount of out-of-flatness crown overflows glue problem, promote the aesthetic property of tire.
Embodiments of the invention 2 as shown in Figure 6 to 8, itself and above-described embodiment 1 difference are that mo(u)ld top half lug boss 13 and mo(u)ld bottom half lower concave part 23 are all positioned at close to die cavity decorative pattern bone 11, 21 land area edges, then lug boss 13 comprises the auxiliary land area 132 of two protruding inclinations, and lower concave part 23 comprises and also comprises two recesses and to tilt auxiliary land area 232, the effect of other optimum configurations is similar to embodiment 1, equal correcting effect when can promote tire matched moulds, and improve finished tire and occur that a large amount of out-of-flatness crown overflows glue problem, thus promote aesthetic property and the production efficiency of tire.
In sum, the present invention is by mould crown land area being arranged the mo(u)ld top half lug boss 13 and mo(u)ld bottom half lower concave part 23 tilt with auxiliary land area, the protruding land area 133 at mo(u)ld top half lug boss 13 top adopts matched in clearance with the recess land area 233 bottom mo(u)ld bottom half lower concave part 23 simultaneously, the cooperation of upper/lower die can be guaranteed, promote the guidance quality that mould is chimeric, and reach the effect reducing excessive glue, avoid the high depth rib tires such as paddy field tire and form a large amount of excessive glue when sulfuration, improve outward appearance and serviceability.
The above, be only embodiments of the invention, not technical scope of the present invention is limited in any way, thus every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalent variations and modification, all belong in the scope of technical scheme of the present invention.
Claims (7)
1. an agricultural tyre mould, the two-chip type structure that it is made up of patrix and counterdie, is formed respectively in the die cavity of wherein patrix and counterdie in the spaced interior die cavity decorative pattern bone structure of circumference, another patrix and counterdie is also provided with involutory crown land area; It is characterized in that: the crown land area of described patrix arranges mo(u)ld top half lug boss, and the crown land area of counterdie arranges mo(u)ld bottom half lower concave part, the projection of protruding land area and sidepiece that described lug boss comprises top tilts to assist land area; The recess of recess land area and sidepiece that described lower concave part comprises bottom tilts to assist land area; Recess land area simultaneously bottom the protruding land area at mo(u)ld top half lug boss top and mo(u)ld bottom half lower concave part adopts matched in clearance.
2. a kind of agricultural tyre mould as claimed in claim 1, is characterized in that: described mo(u)ld top half lug boss and mo(u)ld bottom half lower concave part are all positioned on die cavity decorative pattern bone land area edge.
3. a kind of agricultural tyre mould as claimed in claim 1, it is characterized in that: described mo(u)ld top half lug boss and mo(u)ld bottom half lower concave part are all positioned at close to die cavity decorative pattern bone land area edge, then lug boss be comprise two protruding tilt auxiliary land area, and lower concave part comprises and also comprises two recesses and to tilt auxiliary land area.
4. a kind of agricultural tyre mould as described in claim 1,2 or 3, is characterized in that: the difference in height of the recessed height of described mo(u)ld bottom half lower concave part and mo(u)ld top half lug boss height of projection should be greater than 0 and be less than 2mm.
5. a kind of agricultural tyre mould as described in claim 1,2 or 3, it is characterized in that: the recess land area of the protruding land area of described mo(u)ld top half lug boss and lower concave part adopts and is horizontally disposed with, and tilts to assist land area and recess to tilt to assist land area to adopt arc transition respectively with projection.
6. a kind of agricultural tyre mould as described in claim 1,2 or 3, is characterized in that: the width of the protruding land area of described mo(u)ld top half lug boss is 2 ~ 4mm; The width of the recess land area of mo(u)ld bottom half lower concave part is 2 ~ 4mm.
7. a kind of agricultural tyre mould as described in claim 1,2 or 3, is characterized in that: the projection of described mo(u)ld top half lug boss the tilt angle that auxiliary land area and horizontal plane form of the recess of auxiliary land area or mo(u)ld bottom half lower concave part that tilts is greater than 45 ° and be less than 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510643245.0A CN105150437A (en) | 2015-10-08 | 2015-10-08 | Agricultural tyre mould structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510643245.0A CN105150437A (en) | 2015-10-08 | 2015-10-08 | Agricultural tyre mould structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105150437A true CN105150437A (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510643245.0A Pending CN105150437A (en) | 2015-10-08 | 2015-10-08 | Agricultural tyre mould structure |
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| CN (1) | CN105150437A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947647A (en) * | 2010-09-02 | 2011-01-19 | 山东万通模具有限公司 | Tire mold low-pressure casting method capable of eliminating deformation of patterned ring |
| CN102581997A (en) * | 2012-02-21 | 2012-07-18 | 宁波丰茂远东橡胶有限公司 | Production process of rubber diaphragm of automobile brake chamber |
| CN204640627U (en) * | 2015-05-19 | 2015-09-16 | 河北德重机械有限公司 | A kind of rubber tire mold |
| CN205097417U (en) * | 2015-10-08 | 2016-03-23 | 厦门正新橡胶工业有限公司 | Agricultural tire mould structure |
-
2015
- 2015-10-08 CN CN201510643245.0A patent/CN105150437A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947647A (en) * | 2010-09-02 | 2011-01-19 | 山东万通模具有限公司 | Tire mold low-pressure casting method capable of eliminating deformation of patterned ring |
| CN102581997A (en) * | 2012-02-21 | 2012-07-18 | 宁波丰茂远东橡胶有限公司 | Production process of rubber diaphragm of automobile brake chamber |
| CN204640627U (en) * | 2015-05-19 | 2015-09-16 | 河北德重机械有限公司 | A kind of rubber tire mold |
| CN205097417U (en) * | 2015-10-08 | 2016-03-23 | 厦门正新橡胶工业有限公司 | Agricultural tire mould structure |
Non-Patent Citations (1)
| Title |
|---|
| 夏江梅，刘英海等: "《塑料成型模具与设备》", 30 June 2005, 机械工业出版社 * |
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Application publication date: 20151216 |
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