CN204658761U - A kind of sulfurizing mould of on-inflatable safety tread - Google Patents
A kind of sulfurizing mould of on-inflatable safety tread Download PDFInfo
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- CN204658761U CN204658761U CN201520284039.0U CN201520284039U CN204658761U CN 204658761 U CN204658761 U CN 204658761U CN 201520284039 U CN201520284039 U CN 201520284039U CN 204658761 U CN204658761 U CN 204658761U
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- 230000035939 shock Effects 0.000 claims description 61
- 238000007493 shaping process Methods 0.000 claims description 46
- 238000009826 distribution Methods 0.000 claims description 7
- 238000005987 sulfurization reaction Methods 0.000 abstract description 28
- 239000000463 material Substances 0.000 abstract description 24
- 238000004513 sizing Methods 0.000 abstract description 24
- 238000013016 damping Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000000605 extraction Methods 0.000 description 10
- 238000000465 moulding Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000004073 vulcanization Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The utility model proposes a kind of on-inflatable safety tread sulfurizing mould, by arranging core in different positions, non-inflatable tyre prepared by mould in the utility model possesses the combination of multiple vibration damping hole, can combine according to the needs of the different loading capacity of tire, make non-inflatable tyre possess loading capacity is large, good heat dissipation, lightweight advantage simultaneously.In addition, the utility model additionally provides the mould possessing plunger, feed compartment and be arranged at the runner hole on counterdie, tire building and sulfuration process are combined, be convenient to the discharge of gas in sizing material filling and die cavity, and be conducive to sizing material and be full of die cavity fast, improve tire curing quality and efficiency.
Description
Technical field
The utility model relates to a kind of sulfurizing mould of on-inflatable safety tread, belongs to field of rubber machinery, is applicable to processing and the production of non-inflatable tyre.
Background technology
At present, although conventional pneumatic is widely used, have easily blow out, leak gas, the shortcoming such as easy stabbing bundle, not easy care, especially when running at high speed, blowing out and very easily causing major traffic accidents.Thus, market has just occurred multiple non-inflatable tyre, they overcome above-mentioned airtyred shortcoming in a different manner.
In order to solve airtyred shortcomings in prior art, earlier application of the present utility model proposes a kind of non-inflatable tyre (application number: 201510055690.5), be followed successively by tyre surface 60 from outside to inside, outer shroud 20, supporter 30 and inner ring 10, inner ring contacts with wheel rim, supporter is circulus, its inner periphery is arranged at least 3 along inner circumference to equally distributed first shock relieve vent 31, its excircle arranges second shock relieve vent 32 corresponding with the first shock relieve vent, first shock relieve vent is contrary with the second shock relieve vent bow direction, the cross-sectional area sum of the first shock relieve vent is less than the cross-sectional area sum of the second shock relieve vent, according to the difference of tyre capacity demand, can also increase by the 3rd shock relieve vent 33 further, 4th shock relieve vent 34 and the 5th shock relieve vent 35.Multiple, multilayer shock relieve vent radially combines composition of arranging with circumference supporter is set, can buffering tyre when travelling from the vibrations on ground and impact, and bear the load of vehicle, prevent the bending deformation that tire causes because of excess compression, improve bearing capacity and the service life of tire, thus the tire be suitable on various vehicle, can realize by the adjustment size of shock relieve vent or the number of plies of shock relieve vent the requirement that this tire capacity meets multiple vehicle from underloading to heavy duty.
Existing pneumatic tire vulcanization-mold many employings activating mold is for the production of radial, and mold halves is used for the production of cross-ply, their common features the green tyre of forming are put into mould carry out sulfuration, has the problem that reinforced inconvenience, complex procedures, exhaust problem etc. are more.In addition, due to the design feature that non-inflatable tyre is exclusive, the airtyred mould of existing preparation is made to be difficult to application.
Utility model content
In order to solve the problems of the technologies described above, the utility model proposes a kind of on-inflatable safety tread sulfurizing mould, by arranging core in different positions, non-inflatable tyre prepared by mould in the utility model possesses the combination of multiple shock relieve vent, can combine according to the needs of the different loading capacity of tire, make non-inflatable tyre possess loading capacity is large, good heat dissipation, lightweight advantage simultaneously.
The utility model provides a kind of on-inflatable safety tread sulfurizing mould, comprise patrix 1, counterdie 2, core, the die cavity 5 of described upper die and lower die is outside equipped with the tyre surface rest area 4 of placing strip tyre surface, the die cavity inner periphery of described sulfurizing mould is arranged at least 3 by be positioned at upper model cavity first on the first core for shaping first shock relieve vent of forming of core 11 and first time core 21 being positioned at counterdie die cavity, described first core circumference is uniformly distributed, mold cavity excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core for shaping second shock relieve vent of forming with the second time core 22 being positioned at counterdie die cavity of core 12, first core is contrary with the second core bow direction, the cross-sectional area sum of the first core is less than the cross-sectional area sum of the second core.
Preferably, described first core is semilune, and the second core is arc, and the first core bow direction is towards outer shroud, and the second core bow direction is towards inner ring, and the center line of two cores on the same line.
Preferred further, the angle of osculation α 1≤100 ° of radius R 2,80 °≤first core of radius R 1 < second core of the first core, the angle of osculation α of the 40 °≤second core 2≤90 °.
The configuration mode of the utility model mold cores, tire prepared by this mould possesses the first shock relieve vent and the second shock relieve vent that cooperatively interact, the weight of tire can be reduced, and the heat that the thicker disc that scatters and disappears fast produces because of repeated deformation in tire running process, improve service life of tire, two shock relieve vent center lines on same straight line, and along tire radial distribution, improve damping effect and the impact resistance of tire radial direction, enhance comfortableness and the security of tire.
Preferably, described sulfurizing mould also comprise by be positioned at upper model cavity the 3rd on the 3rd core for shaping 3rd shock relieve vent that forms of core 13 and the 3rd time core 21 being positioned at counterdie die cavity, 3rd core is arranged between the first core and the second core, circumferentially distribute, be arranged in the gap of the first core uniformly, the angle of osculation α 3≤90 ° of the 50 °≤the 3rd core, 3rd core bow direction towards inner ring, the radius R 2 of radius < second core of radius R the 1≤three core R3 of the first core.
By the design of the 3rd core in mould, the tire that employing the utility model mould can be made to prepare possesses the 3rd shock relieve vent, and the existence of this shock relieve vent can alleviate the weight of tire, and improves radiating effect, uniform web thickness, thus the service life and the damping effect that improve tire.
Preferably, described sulfurizing mould also comprise by be positioned at upper model cavity the 4th on the 4th core for shaping 4th shock relieve vent that forms of core and the 4th time core being positioned at counterdie die cavity, 4th core radially distributes, be arranged between the second core and the 3rd core, along center and the symmetrical distribution of the first core line of centres of the second core, and the 4th core of wantonly one or two symmetry and the second core form first " Y " shape structure jointly.
Preferably, described sulfurizing mould also comprise by be positioned at upper model cavity the 5th on the 5th core for shaping 5th shock relieve vent that forms of core 15 and the 5th time core 25 being positioned at counterdie die cavity, described 5th core is arranged at arbitrary 4th core and is adjacent but between asymmetric 4th core, arrange along outer shroud, the angle of osculation α 5≤90 ° of the 60 °≤the 5th core, the angle of osculation α 5 of angle of osculation α the 3≤five core of the 3rd core, the radius R 2 of the 5th core radius R 5≤the second core, 5th core and the 4th adjacent core form second " Y " shape structure jointly.
By arranging the 4th and the 5th core, the non-inflatable tyre prepared by this mould is made to have two " Y " shape structures near ground, the tension force being somebody's turn to do " Y " shape structure by the stressed shock relieve vent being delivered to inner layer of tire, can provide excellent damping effect to tire." Y " shape structure staggered, while the intensity improving tire, can also take into account the rigidity of tire, meet the requirement of comfortableness.Especially, the 4th shock relieve vent be set to the space that two " Y " shape structures provide distortion, be conducive to playing " Y " shape structural damping performance, and ensure that the thickness of disc is even.
Preferably, described sulfurizing mould also comprise be arranged at counterdie feed compartment 28, runner hole 29 and the plunger 3 that coordinates with feed compartment.By the cooperation in plunger and feed compartment and runner hole, the gas in sizing material filling in die cavity is more easily got rid of, and is conducive to sizing material and is full of die cavity fast, improves tire curing quality.In addition, sizing material directly joins in feed compartment by this mould, then under the effect of plunger, sizing material is clamp-oned airtight die cavity fast from the runner hole bottom counterdie, thus shortens mould-filling time, improve production efficiency, ensure that tire curing quality.
Preferably, upper and lower mould is provided with the positioner for circumference location.
Preferably, described positioner comprise be arranged at patrix location on the conical surface 17 and dowel hole 16, counterdie arranges the lower conical surface 27 in corresponding location and alignment pin 26, on the location of described patrix, the conical surface 17 coordinates with the conical surface 27 under the location of counterdie, and dowel hole 16 and alignment pin 26 circumference realizing upper and lower mould that cooperatively interacts is located.
By arranging orientational cone-shaped surface and alignment pin at the contact surface of upper die and lower die, can ensure that in die cavity, multiple core aligns mutually, have employed circumferential taper seat location and alignment pin location and preventing core from producing circumferential misalignment, being conducive to the quality ensureing non-inflatable tyre.
On-inflatable safety tread sulfurizing mould mentioned by the utility model then has reinforced convenience, is easy to exhaust, production efficiency is high, vulcanized tyre quality advantages of higher, the shaping of tire and sulfuration are combined, technique is simple, is particularly suitable for the production of on-inflatable high-capacity tyre.
The utility model adopts upper and lower mold halves, and it is convenient that tire is got in die sinking, and processing and manufacturing mould is convenient; In order to ensure that in die cavity, multiple core aligns mutually, have employed circumferential taper seat location and alignment pin location and preventing core from producing circumferential misalignment.In order to ensure that the sizing material that hardness is higher or mobility is poor can be full of die cavity smoothly, the utility model have employed the feed way of die cast, sizing material directly joins in feed compartment, then under the effect of plunger, sizing material is clamp-oned airtight die cavity fast from the runner hole bottom counterdie, thus shorten mould-filling time, improve production efficiency, ensure that tire curing quality.
Accompanying drawing explanation
Fig. 1 is the upward view of on-inflatable safety tread sulfurizing mould patrix of the present utility model;
Fig. 2 be on-inflatable safety tread sulfurizing mould patrix of the present utility model look up graphics;
Fig. 3 is the top view of on-inflatable safety tread sulfurizing mould counterdie of the present utility model;
Fig. 4 be on-inflatable safety tread sulfurizing mould counterdie of the present utility model overlook graphics;
Fig. 5 is the schematic diagram of on-inflatable safety tread sulfurizing mould of the present utility model.
Fig. 6 is airtyred structure chart prepared by on-inflatable safety tread sulfurizing mould of the present utility model.
Fig. 7 is the top view of the on-inflatable safety tread sulfurizing mould counterdie of embodiment 1,2,6 and 7 of the present utility model
Fig. 8 is the top view of the on-inflatable safety tread sulfurizing mould counterdie of embodiment 3,8 of the present utility model
Fig. 9 is the top view of the on-inflatable safety tread sulfurizing mould counterdie of embodiment 4,9 of the present utility model
Detailed description of the invention
Below by specific embodiment, the technical solution of the utility model is described in detail, but scope of the present utility model is not by the restriction of these embodiments.
Embodiment 1
Fig. 7 is the upward view of patrix in the present embodiment, the present embodiment counterdie, counterdie die cavity and the same patrix of core structure, and upper and lower mirror image is arranged.A kind of sulfurizing mould of on-inflatable safety tread comprises patrix 1, counterdie 2 and core, the die cavity 5 of described upper die and lower die is outside equipped with the tyre surface rest area 4 of placing strip tyre surface, the inner periphery of described mould is arranged at least 3 by be positioned at upper model cavity first on the first core for shaping first shock relieve vent of forming of core 11 and first time core 21 being positioned at counterdie die cavity, described first core is along inner circumference to being uniformly distributed, its excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core for shaping second shock relieve vent of forming with the second time core 22 being positioned at counterdie die cavity of core 21, first core is contrary with the second core bow direction, the cross-sectional area sum of the first core is less than the cross-sectional area sum of the second core.
This mould, when vulcanized tyre, adopts tyre surface and the preformed processing mode of supporter.First, the one fixed width extruded with Rubber Extruder and the strip tyre surface of thickness; Then, clicker press machine utilizes the cut-off knife of similar mold cores carry out stamping-out on the film in advance for the production of supporter, complete the pre-formed of supporter.When carrying out tyre vulcanization with this mould, first prefabricated strip tyre surface is directly joined the tyre surface rest area outside mold cores; Secondly, preformed supporter is placed in mould, ensures the hole on supporter and the core one_to_one corresponding in mould; Then, slowly decline patrix also matched moulds; Finally, utilize the heater on mould and the hot plate up and down in vulcanizer to carry out baking to tire base, complete the sulfuration of tire and shaping.After sulfuration terminates, the upper hot plate of vulcanizer promotes, and drives patrix opening mold, completes the extraction of core simultaneously, finally take out tire.Repeat above-mentioned technological operation, carry out the sulfidization molding of next tires.
Embodiment 2
Fig. 7 is the upward view of patrix in the present embodiment, the present embodiment counterdie, counterdie die cavity and the same patrix of core structure, and upper and lower mirror image is arranged.A kind of sulfurizing mould of on-inflatable safety tread comprises patrix 1, counterdie 2 and core, the die cavity 5 of described upper die and lower die is outside equipped with the tyre surface rest area 4 of placing strip tyre surface, the inner periphery of described mould is arranged at least 3 by be positioned at upper model cavity first on the first core for shaping first shock relieve vent of forming of core 11 and first time core 12 being positioned at counterdie die cavity, described first core is along inner circumference to being uniformly distributed, its excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core for shaping second shock relieve vent of forming with the second time core 22 being positioned at counterdie die cavity of core 21, first core is contrary with the second core bow direction, the cross-sectional area sum of the first core is less than the cross-sectional area sum of the second core.First core is semilune, second core is arc, first core bow direction is towards outer shroud, second core is arc towards inner ring, the center line of two cores on the same line, the angle of osculation α 1≤100 ° of radius R 2,80 °≤first core of radius R 1 < second core of the first core, the angle of osculation α of the 40 °≤second core 2≤90 °.
This mould, when vulcanized tyre, adopts tyre surface and the preformed processing mode of supporter.First, the one fixed width extruded with Rubber Extruder and the strip tyre surface of thickness; Then, clicker press machine utilizes the cut-off knife of similar mold cores carry out stamping-out on the film in advance for the production of supporter, complete the pre-formed of supporter.When carrying out tyre vulcanization with this mould, first prefabricated strip tyre surface is directly added the tyre surface rest area outside mold cores; Secondly, preformed supporter is placed in mould, ensures the hole on supporter and the core one_to_one corresponding in mould; Then, slowly decline patrix also matched moulds; Finally, utilize the heater on mould and the hot plate up and down in vulcanizer to carry out baking to tire base, complete the sulfuration of tire and shaping.After sulfuration terminates, the upper hot plate of vulcanizer promotes, and drives patrix opening mold, completes the extraction of core simultaneously, finally take out tire.Repeat above-mentioned technological operation, carry out the sulfidization molding of next tires.
Embodiment 3
Fig. 8 is the upward view of patrix in the present embodiment, the present embodiment counterdie, counterdie die cavity and the same patrix of core structure, and upper and lower mirror image is arranged.A kind of sulfurizing mould of on-inflatable safety tread comprises patrix 1, counterdie 2 and core, the die cavity 5 of described upper die and lower die is outside equipped with the tyre surface rest area 4 of placing strip tyre surface, the inner periphery of described mould is arranged at least 3 by be positioned at upper model cavity first on the first core for shaping first shock relieve vent of forming of core 11 and first time core 21 being positioned at counterdie die cavity, described first core is along inner circumference to being uniformly distributed; Its excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core for shaping second shock relieve vent of forming with the second time core 22 being positioned at counterdie die cavity of core 12, first core is contrary with the second core bow direction, and the cross-sectional area sum of the first core is less than the cross-sectional area sum of the second core.First core is semilune, second core is arc, first core bow direction is towards outer shroud, second core is arc towards inner ring, the center line of two cores on the same line, the angle of osculation α 1≤100 ° of radius R 2,80 °≤first core of radius R 1 < second core of the first core, the angle of osculation α of the 40 °≤second core 2≤90 °.Described sulfurizing mould also comprise by be positioned at upper model cavity the 3rd on the 3rd core for shaping 3rd shock relieve vent that forms of core 13 and the 3rd time core 21 being positioned at counterdie die cavity, 3rd core is arranged between the first core and the second core, circumferentially distribute, be arranged in the gap of the first core uniformly, the angle of osculation α 3≤90 ° of the 50 °≤the 3rd core, 3rd core bow direction towards inner ring, the radius R 2 of radius < second core of radius R the 1≤three core R3 of the first core.
This mould, when vulcanized tyre, adopts tyre surface and the preformed processing mode of supporter.First, the one fixed width extruded with Rubber Extruder and the strip tyre surface of thickness; Then, clicker press machine utilizes the cut-off knife of similar mold cores carry out stamping-out on the film in advance for the production of supporter, complete the pre-formed of supporter.When carrying out tyre vulcanization with this mould, first prefabricated strip tyre surface is directly added the tyre surface rest area outside mold cores; Secondly, preformed supporter is placed in mould, ensures the hole on supporter and the core one_to_one corresponding in mould; Then, slowly decline patrix also matched moulds; Finally, utilize the heater on mould and the hot plate up and down in vulcanizer to carry out baking to tire base, complete the sulfuration of tire and shaping.After sulfuration terminates, the upper hot plate of vulcanizer promotes, and drives patrix opening mold, completes the extraction of core simultaneously, finally take out tire.Repeat above-mentioned technological operation, carry out the sulfidization molding of next tires.
Embodiment 4
Fig. 9 is the upward view of patrix in the present embodiment, the present embodiment counterdie, counterdie die cavity and the same patrix of core structure, and upper and lower mirror image is arranged.A kind of sulfurizing mould of on-inflatable safety tread comprises patrix 1, counterdie and core, the die cavity 5 of described upper die and lower die is outside equipped with the tyre surface rest area 4 of placing strip tyre surface, the inner periphery of described mould is arranged at least 3 by be positioned at upper model cavity first on the first core for shaping first shock relieve vent of forming of core 11 and first time core 21 being positioned at counterdie die cavity, described first core is along inner circumference to being uniformly distributed; Its excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core for shaping second shock relieve vent of forming with the second time core 22 being positioned at counterdie die cavity of core 12, first core is contrary with the second core bow direction, and the cross-sectional area sum of the first core is less than the cross-sectional area sum of the second core.First core is semilune, second core is arc, first core bow direction is towards outer shroud, second core is arc towards inner ring, the center line of two cores on the same line, the angle of osculation α 1≤100 ° of radius R 2,80 °≤first core of radius R 1 < second core of the first core, the angle of osculation α of the 40 °≤second core 2≤90 °.Described sulfurizing mould also comprise by be positioned at upper model cavity the 3rd on the 3rd core for shaping 3rd shock relieve vent that forms of core 13 and the 3rd time core 21 being positioned at counterdie die cavity, 3rd core is arranged between the first core and the second core, circumferentially distribute, be arranged in the gap of the first core uniformly, the angle of osculation α 3≤90 ° of the 50 °≤the 3rd core, 3rd core bow direction towards inner ring, the radius R 2 of radius < second core of radius R the 1≤three core R3 of the first core.Described sulfurizing mould also comprise by be positioned at upper model cavity the 4th on the 4th core for shaping 4th shock relieve vent that forms of core and the 4th time core being positioned at counterdie die cavity, 4th core radially distributes, be arranged between the second core and the 3rd core, along center and the symmetrical distribution of the first core line of centres of the second core, and the 4th core of wantonly one or two symmetry and the second core form first " Y " shape structure jointly.
This mould, when vulcanized tyre, adopts tyre surface and the preformed processing mode of supporter.First, the one fixed width extruded with Rubber Extruder and the strip tyre surface of thickness; Then, clicker press machine utilizes the cut-off knife of similar mold cores carry out stamping-out on the film in advance for the production of supporter, complete the pre-formed of supporter.When carrying out tyre vulcanization with this mould, first prefabricated strip tyre surface is directly added the tyre surface rest area outside mold cores; Secondly, preformed supporter is placed in mould, ensures the hole on supporter and the core one_to_one corresponding in mould; Then, slowly decline patrix also matched moulds; Finally, utilize the heater on mould and the hot plate up and down in vulcanizer to carry out baking to tire base, complete the sulfuration of tire and shaping.After sulfuration terminates, the upper hot plate of vulcanizer promotes, and drives patrix opening mold, completes the extraction of core simultaneously, finally take out tire.Repeat above-mentioned technological operation, carry out the sulfidization molding of next tires.
Embodiment 5
As Figure 1-4, a kind of sulfurizing mould of on-inflatable safety tread comprises patrix 1, counterdie 2 and core, the die cavity 5 of described upper die and lower die is outside equipped with the tyre surface rest area 4 of placing strip tyre surface, the inner periphery of described mould is arranged at least 3 by be positioned at upper model cavity first on the first core for shaping first shock relieve vent of forming of core 11 and first time core 21 being positioned at counterdie die cavity, described first core is along inner circumference to being uniformly distributed; Its excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core for shaping second shock relieve vent of forming with the second time core 22 being positioned at counterdie die cavity of core 12, first core is contrary with the second core bow direction, and the cross-sectional area sum of the first core is less than the cross-sectional area sum of the second core.First core is semilune, second core is arc, first core bow direction is towards outer shroud, second core is arc towards inner ring, the center line of two cores on the same line, the angle of osculation α 1≤100 ° of radius R 2,80 °≤first core of radius R 1 < second core of the first core, the angle of osculation α of the 40 °≤second core 2≤90 °.Described sulfurizing mould also comprise by be positioned at upper model cavity the 3rd on the 3rd core for shaping 3rd shock relieve vent that forms of core 13 and the 3rd time core 21 being positioned at counterdie die cavity, 3rd core is arranged between the first core and the second core, circumferentially distribute, be arranged in the gap of the first core uniformly, the angle of osculation α 3≤90 ° of the 50 °≤the 3rd core, 3rd core bow direction towards inner ring, the radius R 2 of radius < second core of radius R the 1≤three core R3 of the first core.Described sulfurizing mould also comprise by be positioned at upper model cavity the 4th on the 4th core for shaping 4th shock relieve vent that forms of core and the 4th time core being positioned at counterdie die cavity, 4th core radially distributes, be arranged between the second core and the 3rd core, along center and the symmetrical distribution of the first core line of centres of the second core, and the 4th core of wantonly one or two symmetry and the second core form first " Y " shape structure jointly.Described sulfurizing mould also comprise by be positioned at upper model cavity the 5th on the 5th core for shaping 5th shock relieve vent that forms of core 15 and the 5th time core 25 being positioned at counterdie die cavity, described 5th core is arranged at arbitrary 4th core and is adjacent but between asymmetric 4th core, arrange along outer shroud, the angle of osculation α 5≤90 ° of the 60 °≤the 5th core, the angle of osculation α 5 of angle of osculation α the 3≤five core of the 3rd core, radius R the 2, five core of the 5th core radius R 5≤the second core and the 4th adjacent core form second " Y " shape structure jointly.
This mould, when vulcanized tyre, adopts tyre surface and the preformed processing mode of supporter.First, the one fixed width extruded with Rubber Extruder and the strip tyre surface of thickness; Then, clicker press machine utilizes the cut-off knife of similar mold cores carry out stamping-out on the film in advance for the production of supporter, complete the pre-formed of supporter.When carrying out tyre vulcanization with this mould, first prefabricated strip tyre surface is directly added the tyre surface rest area outside mold cores; Secondly, preformed supporter is placed in mould, ensures the hole on supporter and the core one_to_one corresponding in mould; Then, slowly decline patrix also matched moulds; Finally, utilize the heater on mould and the hot plate up and down in vulcanizer to carry out baking to tire base, complete the sulfuration of tire and shaping.After sulfuration terminates, the upper hot plate of vulcanizer promotes, and drives patrix opening mold, completes the extraction of core simultaneously, finally take out tire.Repeat above-mentioned technological operation, carry out the sulfidization molding of next tires.
Embodiment 6
As best shown in figures 5 and 7, the present embodiment counterdie die cavity and the same Fig. 7 of core structure, difference is that counterdie is also provided with feed compartment and runner hole.A kind of sulfurizing mould of on-inflatable safety tread comprises patrix 1, counterdie 2, core, be arranged at the feed compartment 28 on counterdie, runner hole 29 and the plunger 3 coordinated with feed compartment, the die cavity 5 of described upper die and lower die is outside equipped with the tyre surface rest area 4 of placing strip tyre surface, the inner periphery of described mould is arranged at least 3 by be positioned at upper model cavity first on the first core for shaping first shock relieve vent of forming of core 11 and first time core 12 being positioned at counterdie die cavity, described first core is along inner circumference to being uniformly distributed, mold cavity excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core for shaping second shock relieve vent of forming with the second time core 22 being positioned at counterdie die cavity of core 21, first core is contrary with the second core bow direction, the transversal cross-sectional area sum of the first core is less than the transversal cross-sectional area sum of the second core.
The tyre surface with certain thickness and width extruded with Rubber Extruder, when vulcanized tyre, first, is put into the tyre surface rest area 4 outside mold cores 5 by this mould; Then, patrix 1 is dropped to gradually near counterdie 2, and the alignment pin 26 on counterdie 2 is aligned with the dowel hole 16 on patrix 1, prevent the upper core 11-12 in patrix and the lower core 21-22 in counterdie from misplacing, finally utilize the lower conical surface 27 of the conical surface 17 and location on the location on upper and lower mould to carry out circumference location, make upper and lower mould close simultaneously.Then, sizing material is added in feed compartment 28, then plunger 3 is embedded in feed compartment 28, the downward pressure of hot plate on vulcanizer is utilized to be pushed away by plunger downwards, at this moment the sizing material in feed compartment can be clamp-oned die cavity fast from the runner hole 29 bottom counterdie 2 and be full of whole die cavity, air in die cavity is discharged by die joint and steam vent, after sizing material is all by pressure injection to die cavity, applies clamp force and carries out sulfuration simultaneously.After sulfuration terminates, the upper hot plate of vulcanizer promotes, and drives after plunger moves on to certain altitude simultaneously, then drives patrix opening mold, complete the extraction of core simultaneously, finally take out tire.Repeat above-mentioned action, then carry out the molding sulfuration of next tires.
Embodiment 7
As best shown in figures 5 and 7, the present embodiment counterdie die cavity and the same Fig. 7 of core structure, difference is that counterdie is also provided with feed compartment and runner hole.A kind of sulfurizing mould of on-inflatable safety tread comprises patrix 1, counterdie 2, core, be arranged at the feed compartment 28 on counterdie, runner hole 29 and the plunger 3 coordinated with feed compartment, the die cavity 5 of described upper die and lower die is outside equipped with the tyre surface rest area 4 of placing strip tyre surface, the inner periphery of described mould is arranged at least 3 by be positioned at upper model cavity first on the first core for shaping first shock relieve vent of forming of core 11 and first time core 12 being positioned at counterdie die cavity, described first core is along inner circumference to being uniformly distributed, its excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core for shaping second shock relieve vent of forming with the second time core 22 being positioned at counterdie die cavity of core 21, first core is contrary with the second core bow direction, the transversal cross-sectional area sum of the first core is less than the transversal cross-sectional area sum of the second core.First core is semilune, second core is arc, first core bow direction is towards outer shroud, second core is arc towards inner ring, the center line of two cores on the same line, the angle of osculation α 1≤100 ° of radius R 2,80 °≤first core of radius R 1 < second core of the first core, the angle of osculation α of the 40 °≤second core 2≤90 °.
The tyre surface with certain thickness and width extruded with Rubber Extruder, when vulcanized tyre, first, is put into the tyre surface rest area 4 outside mold cores 5 by this mould; Then, patrix 1 is dropped to gradually near counterdie 2, and the alignment pin 26 on counterdie 2 is aligned with the dowel hole 16 on patrix 1, prevent the core 11-12 in patrix and the core 11-12 in counterdie from misplacing, finally utilize the lower conical surface 27 of the conical surface 17 and location on the location on upper and lower mould to carry out circumference location, make upper and lower mould close simultaneously.Then, sizing material is added in feed compartment 28, then plunger 3 is embedded in feed compartment 28, the downward pressure of hot plate on vulcanizer is utilized to be pushed away by plunger downwards, at this moment the sizing material in feed compartment can be clamp-oned die cavity fast from the runner hole 29 bottom counterdie 2 and be full of whole die cavity, air in die cavity is discharged by die joint and steam vent, after sizing material is all by pressure injection to die cavity, applies clamp force and carries out sulfuration simultaneously.After sulfuration terminates, the upper hot plate of vulcanizer promotes, and drives after plunger moves on to certain altitude simultaneously, then drives patrix opening mold, complete the extraction of core simultaneously, finally take out tire.Repeat above-mentioned action, then carry out the molding sulfuration of next tires.
Embodiment 8
As shown in figs. 5 and 8, the present embodiment counterdie die cavity and the same Fig. 8 of core structure, difference is that counterdie is also provided with feed compartment and runner hole.The plunger 3 that a kind of sulfurizing mould of on-inflatable safety tread comprises patrix 1, counterdie 2, core, the feed compartment 28 be arranged on counterdie, runner hole 29 and coordinates with feed compartment, the die cavity 5 of described upper die and lower die is outside equipped with the tyre surface rest area 4 of placing strip tyre surface, the inner periphery of described mould is arranged at least 3 by be positioned at upper model cavity first on the first core for shaping first shock relieve vent of forming of core 11 and first time core 21 being positioned at counterdie die cavity, described first core is along inner circumference to being uniformly distributed; Its excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core for shaping second shock relieve vent of forming with the second time core 22 being positioned at counterdie die cavity of core 12, first core is contrary with the second core bow direction, and the cross-sectional area sum of the first core is less than the cross-sectional area sum of the second core.First core is semilune, second core is arc, first core bow direction is towards outer shroud, second core is arc towards inner ring, the center line of two cores on the same line, the angle of osculation α 1≤100 ° of radius R 2,80 °≤first core of radius R 1 < second core of the first core, the angle of osculation α of the 40 °≤second core 2≤90 °.Described sulfurizing mould also comprise by be positioned at upper model cavity the 3rd on the 3rd core for shaping 3rd shock relieve vent that forms of core 13 and the 3rd time core 21 being positioned at counterdie die cavity, 3rd core is arranged between the first core and the second core, circumferentially distribute, be arranged in the gap of the first core uniformly, the angle of osculation α 3≤90 ° of the 50 °≤the 3rd core, 3rd core bow direction towards inner ring, the radius R 2 of radius < second core of radius R the 1≤three core R3 of the first core.
The tyre surface with certain thickness and width extruded with Rubber Extruder, when vulcanized tyre, first, is put into the tyre surface rest area 4 outside mold cores 5 by this mould; Then, patrix 1 is dropped to gradually near counterdie 2, and the alignment pin 26 on counterdie 2 is aligned with the dowel hole 16 on patrix 1, prevent the core 11-13 in patrix and the core 21-23 in counterdie from misplacing, finally utilize the lower conical surface 27 of the conical surface 17 and location on the location on upper and lower mould to carry out circumference location, make upper and lower mould close simultaneously.Then, sizing material is added in feed compartment 28, then plunger 3 is embedded in feed compartment 28, the downward pressure of hot plate on vulcanizer is utilized to be pushed away by plunger downwards, at this moment the sizing material in feed compartment can be clamp-oned die cavity fast from the runner hole 29 bottom counterdie 2 and be full of whole die cavity, air in die cavity is discharged by die joint and steam vent, after sizing material is all by pressure injection to die cavity, applies clamp force and carries out sulfuration simultaneously.After sulfuration terminates, the upper hot plate of vulcanizer promotes, and drives after plunger moves on to certain altitude simultaneously, then drives patrix opening mold, complete the extraction of core simultaneously, finally take out tire.Repeat above-mentioned action, then carry out the molding sulfuration of next tires.
Embodiment 9
As shown in figs. 5 and 9, the present embodiment counterdie die cavity and the same Fig. 9 of core structure, difference is that counterdie is also provided with feed compartment and runner hole.The plunger 3 that a kind of sulfurizing mould of on-inflatable safety tread comprises patrix 1, counterdie 2, core, the feed compartment 28 be arranged on counterdie, runner hole 29 and coordinates with feed compartment, the die cavity 5 of described upper die and lower die is outside equipped with the tyre surface rest area 4 of placing strip tyre surface, the inner periphery of described mould is arranged at least 3 by be positioned at upper model cavity first on the first core for shaping first shock relieve vent of forming of core 11 and first time core 21 being positioned at counterdie die cavity, described first core is along inner circumference to being uniformly distributed; Its excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core for shaping second shock relieve vent of forming with the second time core 22 being positioned at counterdie die cavity of core 12, first core is contrary with the second core bow direction, and the cross-sectional area sum of the first core is less than the cross-sectional area sum of the second core.First core is semilune, second core is arc, first core bow direction is towards outer shroud, second core is arc towards inner ring, the center line of two cores on the same line, the angle of osculation α 1≤100 ° of radius R 2,80 °≤first core of radius R 1 < second core of the first core, the angle of osculation α of the 40 °≤second core 2≤90 °.Described sulfurizing mould also comprise by be positioned at upper model cavity the 3rd on the 3rd core for shaping 3rd shock relieve vent that forms of core 13 and the 3rd time core 21 being positioned at counterdie die cavity, 3rd core is arranged between the first core and the second core, circumferentially distribute, be arranged in the gap of the first core uniformly, the angle of osculation α 3≤90 ° of the 50 °≤the 3rd core, 3rd core bow direction towards inner ring, the radius R 2 of radius < second core of radius R the 1≤three core R3 of the first core.Described sulfurizing mould also comprise by be positioned at upper model cavity the 4th on the 4th core for shaping 4th shock relieve vent that forms of core and the 4th time core being positioned at counterdie die cavity, 4th core radially distributes, be arranged between the second core and the 3rd core, along center and the symmetrical distribution of the first core line of centres of the second core, and the 4th core of wantonly one or two symmetry and the second core form first " Y " shape structure jointly.
The tyre surface with certain thickness and width extruded with Rubber Extruder, when vulcanized tyre, first, is put into the tyre surface rest area 4 outside mold cores 5 by this mould; Then, patrix 1 is dropped to gradually near counterdie 2, and the alignment pin 26 on counterdie 2 is aligned with the dowel hole 16 on patrix 1, prevent the upper core 11-14 in patrix and the lower core 21-24 in counterdie from misplacing, finally utilize the lower conical surface 27 of the conical surface 17 and location on the location on upper and lower mould to carry out circumference location, make upper and lower mould close simultaneously.Then, sizing material is added in feed compartment 28, then plunger 3 is embedded in feed compartment 28, the downward pressure of hot plate on vulcanizer is utilized to be pushed away by plunger downwards, at this moment the sizing material in feed compartment can be clamp-oned die cavity fast from the runner hole 29 bottom counterdie 2 and be full of whole die cavity, air in die cavity is discharged by die joint and steam vent, after sizing material is all by pressure injection to die cavity, applies clamp force and carries out sulfuration simultaneously.After sulfuration terminates, the upper hot plate of vulcanizer promotes, and drives after plunger moves on to certain altitude simultaneously, then drives patrix opening mold, complete the extraction of core simultaneously, finally take out tire.Repeat above-mentioned action, then carry out the molding sulfuration of next tires.
Embodiment 10
As shown in Fig. 1 to 5, the plunger 3 that a kind of sulfurizing mould of on-inflatable safety tread comprises patrix 1, counterdie 2, core, the feed compartment 28 be arranged on counterdie, runner hole 29 and coordinates with feed compartment, the die cavity 5 of described upper die and lower die is outside equipped with the tyre surface rest area 4 of placing strip tyre surface, the inner periphery of described mould is arranged at least 3 by be positioned at upper model cavity first on the first core for shaping first shock relieve vent of forming of core 11 and first time core 21 being positioned at counterdie die cavity, described first core is along inner circumference to being uniformly distributed; Its excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core for shaping second shock relieve vent of forming with the second time core 22 being positioned at counterdie die cavity of core 12, first core is contrary with the second core bow direction, and the cross-sectional area sum of the first core is less than the cross-sectional area sum of the second core.First core is semilune, second core is arc, first core bow direction is towards outer shroud, second core is arc towards inner ring, the center line of two cores on the same line, the angle of osculation α 1≤100 ° of radius R 2,80 °≤first core of radius R 1 < second core of the first core, the angle of osculation α of the 40 °≤second core 2≤90 °.Described sulfurizing mould also comprise by be positioned at upper model cavity the 3rd on the 3rd core for shaping 3rd shock relieve vent that forms of core 13 and the 3rd time core 21 being positioned at counterdie die cavity, 3rd core is arranged between the first core and the second core, circumferentially distribute, be arranged in the gap of the first core uniformly, the angle of osculation α 3≤90 ° of the 50 °≤the 3rd core, 3rd core bow direction towards inner ring, the radius R 2 of radius < second core of radius R the 1≤three core R3 of the first core.Described sulfurizing mould also comprise by be positioned at upper model cavity the 4th on the 4th core for shaping 4th shock relieve vent that forms of core and the 4th time core being positioned at counterdie die cavity, 4th core radially distributes, be arranged between the second core and the 3rd core, along center and the symmetrical distribution of the first core line of centres of the second core, and the 4th core of wantonly one or two symmetry and the second core form first " Y " shape structure jointly.Described sulfurizing mould also comprise by be positioned at upper model cavity the 5th on the 5th core for shaping 5th shock relieve vent that forms of core 15 and the 5th time core 25 being positioned at counterdie die cavity, described 5th core is arranged at arbitrary 4th core and is adjacent but between asymmetric 4th core, arrange along outer shroud, the angle of osculation α 5≤90 ° of the 60 °≤the 5th core, the angle of osculation α 5 of angle of osculation α the 3≤five core of the 3rd core, radius R the 2, five core of the 5th core radius R 5≤the second core and the 4th adjacent core form second " Y " shape structure jointly.
The tyre surface with certain thickness and width extruded with Rubber Extruder, when vulcanized tyre, first, is put into the tyre surface rest area 4 outside mold cores 5 by this mould; Then, patrix 1 is dropped to gradually near counterdie 2, and the alignment pin 26 on counterdie 2 is aligned with the dowel hole 16 on patrix 1, prevent the upper core 11-15 in patrix and the lower core 21-25 in counterdie from misplacing, finally utilize the lower conical surface 27 of the conical surface 17 and location on the location on upper and lower mould to carry out circumference location, make upper and lower mould close simultaneously.Then, sizing material is added in feed compartment 28, then plunger 3 is embedded in feed compartment 28, the downward pressure of hot plate on vulcanizer is utilized to be pushed away by plunger downwards, at this moment the sizing material in feed compartment can be clamp-oned die cavity fast from the runner hole 29 bottom counterdie 2 and be full of whole die cavity, air in die cavity is discharged by die joint and steam vent, after sizing material is all by pressure injection to die cavity, applies clamp force and carries out sulfuration simultaneously.After sulfuration terminates, the upper hot plate of vulcanizer promotes, and drives after plunger moves on to certain altitude simultaneously, then drives patrix opening mold, complete the extraction of core simultaneously, finally take out tire.Repeat above-mentioned action, then carry out the molding sulfuration of next tires.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (9)
1. the sulfurizing mould of an on-inflatable safety tread, comprise patrix, counterdie and core, the die cavity of described upper die and lower die is outside equipped with the tyre surface rest area of placing strip tyre surface, it is characterized in that: sulfurizing mould die cavity inner periphery is arranged at least 3 by be positioned at upper model cavity first on the first core of forming of core and first time core being positioned at counterdie die cavity, described first core is uniformly distributed along die cavity inner ring radial direction, mold cavity excircle is arranged corresponding with the first core by be positioned at upper model cavity second on the second core of forming with the second time core being positioned at counterdie die cavity of core, first core is contrary with the second core bow direction, the cross-sectional area sum of the first core is less than the cross-sectional area sum of the second core.
2. the sulfurizing mould of on-inflatable safety tread according to claim 1, it is characterized in that: the first core is semilune, the second core is arc, and the first core bow direction is towards outer shroud, second core is arc towards inner ring, and the center line of two cores on the same line.
3. the sulfurizing mould of on-inflatable safety tread according to claim 2, it is characterized in that: the radius R 2 of radius R 1 < second core of the first core, the angle of osculation α of the 80 °≤first core 1≤100 °, the angle of osculation α of the 40 °≤second core 2≤90 °.
4. the sulfurizing mould of on-inflatable safety tread according to claim 1, it is characterized in that: described sulfurizing mould also comprise by be positioned at upper model cavity the 3rd on the 3rd core for shaping 3rd shock relieve vent that forms of core and the 3rd time core being positioned at counterdie die cavity, 3rd core is arranged between the first core and the second core, circumferentially distribute, be arranged in the gap of the first core uniformly, the angle of osculation α 3≤90 ° of the 50 °≤the 3rd core, 3rd core bow direction is towards inner ring, the radius R 2 of radius < second core of radius R the 1≤three core R3 of the first core.
5. the sulfurizing mould of on-inflatable safety tread according to claim 4, it is characterized in that: described sulfurizing mould also comprise by be positioned at upper model cavity the 4th on the 4th core for shaping 4th shock relieve vent that forms of core and the 4th time core being positioned at counterdie die cavity, 4th core radially distributes, be arranged between the second core and the 3rd core, along center and the symmetrical distribution of the first core line of centres of the second core, and the 4th core of wantonly one or two symmetry and the second core form first " Y " shape structure jointly.
6. the sulfurizing mould of on-inflatable safety tread according to claim 5, it is characterized in that: described sulfurizing mould also comprise by be positioned at upper model cavity the 5th on the 5th core for shaping 5th shock relieve vent that forms of core and the 5th time core being positioned at counterdie die cavity, described 5th core is arranged at arbitrary 4th core and is adjacent but between asymmetric 4th core, arrange along die cavity outer shroud, the angle of osculation α 5≤90 ° of the 60 °≤the 5th core, the angle of osculation α 5 of angle of osculation α the 3≤five core of the 3rd core, the radius R 2 of the 5th core radius R 5≤the second core, 5th core and the 4th adjacent core form second " Y " shape structure jointly.
7. according to the sulfurizing mould of the arbitrary described on-inflatable safety tread of claim 1-6, its feature described sulfurizing mould also comprise be arranged at counterdie feed compartment, runner hole and the plunger that coordinates with feed compartment.
8. the sulfurizing mould of on-inflatable safety tread according to claim 7, is characterized in that: described upper and lower mould is provided with the positioner for circumference location.
9. the sulfurizing mould of on-inflatable safety tread according to claim 8, it is characterized in that: described positioner comprise be arranged at patrix location on the conical surface and dowel hole, be arranged at the conical surface and alignment pin under the location of counterdie, on the location of described patrix the conical surface and counterdie location under cone match, dowel hole and the alignment pin circumference realizing upper and lower mould that cooperatively interacts is located, ensure that the core up and down in upper die and lower die die cavity is corresponding, prevent mismatch in core.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104802337A (en) * | 2015-05-05 | 2015-07-29 | 青岛科技大学 | Curing mold for non-inflatable safety tire |
EP3321100A1 (en) * | 2016-11-15 | 2018-05-16 | The Goodyear Tire & Rubber Company | System and method of manufacturing a non-pneumatic support structure |
-
2015
- 2015-05-05 CN CN201520284039.0U patent/CN204658761U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104802337A (en) * | 2015-05-05 | 2015-07-29 | 青岛科技大学 | Curing mold for non-inflatable safety tire |
CN104802337B (en) * | 2015-05-05 | 2018-03-02 | 青岛科技大学 | A kind of sulfurizing mould of on-inflatable safety tread |
EP3321100A1 (en) * | 2016-11-15 | 2018-05-16 | The Goodyear Tire & Rubber Company | System and method of manufacturing a non-pneumatic support structure |
CN108068371A (en) * | 2016-11-15 | 2018-05-25 | 固特异轮胎和橡胶公司 | The method for manufacturing non-pneumatic support structure |
CN108068371B (en) * | 2016-11-15 | 2020-02-18 | 固特异轮胎和橡胶公司 | Method of manufacturing a non-pneumatic support structure |
US11020918B2 (en) | 2016-11-15 | 2021-06-01 | The Goodyear Tire & Rubber Company | Method of manufacturing a non-pneumatic support structure |
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