CN107310076A - A kind of two layers of pattern block tire-mold - Google Patents

Abstract

The invention discloses a kind of two layers of pattern block tire-mold, pattern block and upper pattern block are held including peace up and down, circumferencial direction of the lower pattern block along base is set, and the outer ring of lower pattern block and upper pattern block is provided with a upper die component, upper die component is moved up and down along described lower pattern block and upper pattern block, and open-and-close mechanism is opened flat provided with what pattern block under driving was moved horizontally on base；In upper die component to when moving obliquely, lower pattern block is moved horizontally outward in being opened flat under the driving of open-and-close mechanism on base, and upper pattern block is moved horizontally outward under the driving of upper die component；And when lead ring is moved to the extreme position of upper pattern block, lower pattern block is moved to maximum position, the stop component that open-and-close mechanism is opened flat by being arranged on carries out stop；Upper die component continues to drive pattern block to move upwards under external force, realizes die sinking；When upper die component is moved downward, lower pattern block and upper pattern block level are moved inward, and realize matched moulds.

Description

A kind of two layers of pattern block tire-mold

Technical field

The invention belongs to the technical field of vulcanized tyre mould, and in particular to a kind of double segmented molds of two layers of pattern block Tool.

Background technology

Activating mold is the vulcanization optimal mould of radial, with the popularization of radial, activating mold Using more and more.The active block that common segmented mold crown is capable of radial direction folding by polylith is constituted, its radial stroke one As can accomplish to be more than tire tire top to the upright projection distance of decorative pattern end, such knurling section just can be processed all in flower On line block.And the tire (such as off-the-highway tire) on sidewall is extended to for decorative pattern, it is vertical due to tire tire top to decorative pattern end Projector distance is very big, and common activating mold radial stroke can not accomplish to be more than this distance, in order to take out the wheel after vulcanization Tire, it usually needs accomplish a part of decorative pattern on side plate, the decorative pattern on pattern block and side plate needs accurate docking, produced problem It is to connect that colored position plastic squeeze is serious in pattern block and side plate, thin and wide glue side occurs, these very thin glue sides is bonded on mould It is difficult to clear up, it is more long-pending thicker on a mating, easily cause the extrusion damage of mould；Vulcanize the tire sealant side simultaneously serious, And be difficult to clear up in groove, increase cleaning glue side cost of labor, and the outward appearance of influence tire.

The content of the invention

In order to solve technical problem present in prior art, the invention discloses a kind of two layers of pattern block tire-mold.

The technical solution adopted by the present invention is as follows：

A kind of two layers of pattern block tire-mold, including quantity is equal and peace holds pattern block and upper pattern block up and down, Circumferencial direction of the described lower pattern block along base is set, and described lower pattern block and the outer ring of upper pattern block are provided with one Both shared director elements, described director element can move up and down along described lower pattern block and upper pattern block, Described base is opened flat open-and-close mechanism provided with what the lower pattern block of driving was moved horizontally；

In director element to when moving obliquely, lower pattern block is being opened flat water under the driving of open-and-close mechanism on base It is flat to be displaced outwardly, and upper pattern block is moved horizontally outward under the driving of director element；And when director element is moved to decorative pattern During the extreme position of block, lower pattern block is moved to maximum position, and the stop component that open-and-close mechanism is now opened flat by being arranged on enters Whereabouts are moved；Director element continues to drive pattern block to move upwards under external force, realizes die sinking；When director element is transported downwards When dynamic, lower pattern block and upper pattern block level are moved inward, and realize matched moulds.

Further, groove corresponding with lower pattern block is radially provided with direction in the peripheral edge portion of the base, The described open-and-close mechanism that is opened flat includes a bearing pin and a flexible member, and described bearing pin is inserted into described groove, Suit has elastic component between one end of the bearing pin and bottom portion of groove, and the other end is engaged with stop baffle plate, and described stops Dynamic baffle plate drives lower pattern block to be moved along the direction away from lower side panel by connector under external force.

Further, described upper mould includes the upper pattern block equal with lower decorative pattern number of blocks；The described upper pattern block back of the body Face, which is provided with acclivitous guide groove, the guide groove, is provided with gib block, and described gib block is connected with lead ring, passes through mobile lead ring Pattern block carries out die sinking campaign in traction.

Further, described T-shaped guide groove upper end is equipped with limited block, for the spacing of upper pattern block, upper pattern block upper end Top shoe is installed.

Further, described stop baffle plate is connected with a connecting lever.

Further, described lead ring is that upper pattern block and lower pattern block are shared, and roller is provided with its lower end, described During lead ring is moved up along described guide groove, described roller is driven to be moved upwards along described connecting lever, connecting lever It is displaced outwardly under the driving of roller along the radial direction of base；Connecting lever drives the motion of stop baffle plate, under stop baffle belt is dynamic Pattern block is moved；Retaining spring described in simultaneously, all the time in compressive state, the on the one hand outer shifting for lower pattern block provides dynamic Power, lower pattern block reaches maximum radial travel position；On the other hand prevent the abnormal of lower pattern block from interior moving, it is to avoid during matched moulds The collision of roller and connecting lever, it is ensured that lower mould is constantly in die opening state after die sinking, is easy to the taking-up being put into tire of tire base.

Further, the mating surface of described connecting lever and roller includes two obtuse-angulate planes I, II, plane I and guide groove Direction it is consistent, the direction of plane II and guide groove passes through an arc surface transition into obtuse angle between plane I, II.

Further, described connector includes a roller bearing vertical with described bearing pin, and described roller bearing two ends lead to The support of two supporting plates is crossed, and respectively offers in two supporting plates an elongated hole, roller bearing two ends are overlapped in elongated hole, and described Roller bearing side be connected with lower pattern block, the opposite side of roller bearing is connected with stop baffle plate.

Specific die sinking process is as follows：

After tyre vulcanization terminates, lead ring is moved up under the drive of vulcanizer upper plate, and the segmented mold of vulcanizer manipulates machine Structure pushes down lid, it is to avoid upper pattern block is moved up with lead ring, and upper pattern block is moved outwards under the drawing of gib block.At the same time, The roller of lead ring lower end promotes connecting lever to be displaced outwardly during being moved up with lead ring, so as to drive lower pattern block to realize that footpath is outside Move；

When moving to gib block on lead ring and being contacted with limited block, upper pattern block reaches maximum radial die sinking position, upper pattern block Completely disengaged from tire, then upper pattern block is moved up with lead ring.Now, the roller of lead ring lower end by connecting lever by lower decorative pattern Block is pushed into completely disengage from tire, and lower pattern block is outwards pushed into most by the retaining spring being subsequently fitted on base by stop baffle plate Big radial direction die sinking position；

Part of the upper die is removed with vulcanizer upper plate, and part of the lower die is constantly in die opening state in the presence of retaining spring, Then it is taken out tire and is put into the operation such as tire base；

During matched moulds, the positioning seat on the locating piece and base of lead ring lower end coordinate first in positioning, completion mould and Coarse positioning between lower mould, now pattern block locating piece is unmated；As upper mould is continued traveling downwardly, upper pattern block and lower pattern block it Between pattern block locating piece coordinate, being accurately positioned between pattern block and lower pattern block in completions, to ensure upper pattern block with The accurate correspondence of decorative pattern is docked between pattern block.

Upper pattern block and lower pattern block are completed after positioning, and lead ring promotes upper pattern block and lower pattern block simultaneously, are carried out radially Interior shifting movement, carries out matched moulds.

Beneficial effects of the present invention：

The present invention is a kind of new activating mold structure, and a kind of new mould structure selection is provided for tyre vulcanization.It is right The tire (such as off-the-highway tire) on sidewall is extended in decorative pattern, can avoid occurring using common activating mold using this mould structure Connect the problem of colored position plastic squeeze is serious, the amount of labour on less tire cleaning glue side improves the outward appearance of tire, while can avoid The extrusion damage problem that mold parting surface is caused due to plastic squeeze.

This mould structure can just realize that upper pattern block and lower pattern block are each carried out using common vulcanizers with segmented mold The radially purpose of active motion, without transforming existing vulcanizer, all tire plants for possessing vulcanizers with segmented mold all may be used To use.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis These accompanying drawings obtain other accompanying drawings.

The schematic diagram of complete matched moulds state in Fig. 1 embodiments 1；

Integrally-built top view in Fig. 2 embodiments 1；

Fig. 3 is Fig. 2 A-A views；

In Fig. 4 embodiments 1 retaining spring leak install or damage when, lower pattern block be in die-closed position when structure Figure；

State diagram when upper die and lower die in Fig. 5 embodiments 1 are just initially separated；

Structure chart when upper pattern block and lower pattern block in Fig. 6 embodiments 1 are just separated with tire；

Upper pattern block in Fig. 7 embodiments 1 completely disengaged from tire after structure chart；

The structure chart of positioner in Fig. 8 embodiments 1；

The structure chart of half matched moulds state in Fig. 9 embodiments 1；

In figure：Covered on 1,2 top shoes, 3 limited blocks, 4 mounting rings, 5 lead rings, 6 gib blocks, 7 connecting levers, 8 rollers, 9 stop catches Plate, 10 retaining springs, 11 roller bearings, 12 bases, 13 epipleurals, pattern block on 14,15 times pattern block locating pieces, 16 times pattern blocks, 17 lower side panels, 18 locating pieces, 19 positioning seats, 20 tires, 41 bearing pins.

21 epipleurals, are covered on 22, pattern block on 23, arcuate seat on 24,25 top shoes, arcuate seat gib block on 26,27 peaces Fill ring, 28 lead rings, arcuate seat limited block, 30 caging bolts, 31 times arcuate seat limited blocks, 32 times arcuate seat gib blocks, 33 on 29 Lower arcuate seat, 34 springs, 35 times pattern blocks, 36 bases, 37 lower side panels, 38 circumferential slot locating pieces, 40 die sinking servicing units.

Embodiment

It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.

As background technology is introduced, the present invention is in order to solve the technical problem of background technology, and present applicant proposes one Plant two layers of pattern block tire-mold.

Embodiment 1

In a kind of typical embodiment of the application, as shown in Figure 1 there is provided a kind of two layers of pattern block tire-mold, This mould can be divided into upper die and lower die two parts；

Part of the upper die include upper pattern block 14, limited block 3, gib block 6, lead ring 5, roller 8, mounting ring 4, top shoe 2, on Lid 1, epipleural 13 etc.,

Part of the lower die includes：Lower pattern block 16, connecting lever 7, stop baffle plate 9, retaining spring 10, base 12, lower side panel 13, rolling Axle 11 etc., is shown in Fig. 1.

This mould be mainly characterized by by pattern block be divided into above and below two parts, i.e., upper pattern block 14 and lower pattern block, they are total to With lead ring 5, in die sinking, upper pattern block 14 and lower pattern block 16 carry out radially die sinking by different mode of traction and moved；

Part of the upper die is substantially identical with common activating mold, and the upper pattern block back side, which is designed with T-shaped guide groove, guide groove, to be designed with Gib block 6, carries out die sinking motion and guiding, T-shaped guide groove upper end is equipped with limited block 3, for upper decorative pattern for drawing upper pattern block Block it is spacing, upper pattern block upper end is provided with top shoe 2；Lead ring 5 is that upper pattern block and lower pattern block are shared, and its lower end is designed with Roller 8, for promoting lower pattern block to realize die sinking.

Part of the lower die, the afterbody of lower pattern block is designed with connecting lever 7, stop baffle plate 9, roller bearing 11, specifically, in base 12 Radially direction is provided with groove corresponding with lower pattern block to peripheral edge portion, and bearing pin 41 is inserted into described groove, described Retaining spring 10 is set between one end of bearing pin 41 and bottom portion of groove, the other end is engaged with stop baffle plate 9, described stops Dynamic baffle plate 9 drives lower pattern block to be moved along the direction away from lower side panel by connector under external force.

Connector includes a roller bearing 11 vertical with described bearing pin, and the described two ends of roller bearing 11 pass through two supporting plates Support, and an elongated hole is respectively offered in two supporting plates, the two ends of roller bearing 11 are overlapped in elongated hole, and described roller bearing 11 1 Side is connected with lower pattern block, and the opposite side of roller bearing 11 is connected with the side wall of stop baffle plate 9.

Stop baffle plate 9 is connected with connecting lever 7, and the mating surface of connecting lever 7 and roller includes two obtuse-angulate planes I, II, plane I is consistent with the direction of guide groove, and the direction of plane II and guide groove by an arc surface transition between plane I, II, is put down into obtuse angle Face I effect is that during die sinking, roller can be moved along plane I, the mould opening force of lower pattern block from lead ring move up when The thrust of pair of rollers connecting lever, designs frictional force when reducing die sinking using roller, makes die sinking campaign more smooth；Plane II's Effect is：When retaining spring leaks and installs or damage, following pattern block is in die-closed position, now as carried out under matched moulds, lead ring The roller at end can be pressed on plane II, forced and moved outside lower pattern block, so as to avoid the collision between upper mould and lower mould.

In die sinking, connecting lever 7 is moved outside by the promotion of lead ring lower end roller, drives lower pattern block to realize die sinking.

The cylindrical place of base is designed with retaining spring 10, during die sinking, instantly pattern block cavity surface and surface of tyre Disengage, it is necessary to mould opening force when reducing, retaining spring passes through the dynamic lower pattern block of stop baffle belt and reaches maximum radial travel position.

After die sinking, retaining spring 10 can prevent the abnormal of lower pattern block from interior moving, it is to avoid roller and connecting lever during matched moulds Collision, it is ensured that lower mould is constantly in die opening state after die sinking, is easy to the taking-up being put into tire of tire base.

The mould opening force of lower pattern block from lead ring move up when pair of rollers connecting lever thrust, using roller design reduce die sinking When frictional force, make die sinking campaign more smooth.

The thrust of retaining spring 10 is only capable of overcoming the frictional force between lower pattern block and base wearing plate, promotes outside lower pattern block Maximum radial die sinking position is moved to, because its thrust is small, when moving matched moulds in pattern block under lead ring promotion, the frictional force not resulted in Excessive the problem of.

The upper end of lower decorative pattern outer ring is designed with pattern block locating piece 15, for accurate between upper pattern block and lower pattern block Positioning.

Opening stroke progress of the limited block mainly to upper pattern block is installed in the guide groove position of upper pattern block spacing.

In addition, on base also have positioning seat 19, be specifically shown in Fig. 3 and 8, with lead ring lower end it is cylindrical on 18 pairs of locating piece Should, for the coarse positioning during matched moulds.Described locating piece 18 is fixed on lead ring, and is moved up and down along positioning seat 19.

The specific course of work is as follows：

After tyre vulcanization terminates, lead ring is moved up under the drive of vulcanizer upper plate, and the segmented mold of vulcanizer manipulates machine Structure pushes down lid, it is to avoid upper pattern block is moved up with lead ring, and upper pattern block is moved outwards under the drawing of gib block.At the same time, The roller of lead ring lower end promotes connecting lever to be displaced outwardly during being moved up with lead ring, so as to drive lower pattern block to realize that footpath is outside Move, see Fig. 5.

When moving to gib block on lead ring and being contacted with limited block, upper pattern block reaches maximum radial die sinking position, upper pattern block Completely disengaged from tire, then upper pattern block is moved up with lead ring.Now, the roller of lead ring lower end by connecting lever by lower decorative pattern Block is pushed into completely disengage from tire, and lower pattern block is outwards pushed into most by the retaining spring being subsequently fitted on base by stop baffle plate Big radial direction die sinking position, is shown in Fig. 6.

Part of the upper die is removed with vulcanizer upper plate, and part of the lower die is constantly in die opening state in the presence of retaining spring, Then it is taken out tire and is put into the operation such as tire base, sees Fig. 7.

During matched moulds, the positioning seat on the locating piece and base of lead ring lower end coordinate first in positioning, completion mould and Coarse positioning between lower mould, now pattern block locating piece is unmated, sees Fig. 8.As upper mould is continued traveling downwardly, upper pattern block and lower flower Pattern block locating piece between line block coordinates, being accurately positioned between pattern block and lower pattern block in completion, to ensure upper decorative pattern The accurate correspondence of decorative pattern is docked between block and lower pattern block.

Upper pattern block and lower pattern block are completed after positioning, and lead ring promotes upper pattern block and lower pattern block simultaneously, are carried out radially Interior shifting movement, carries out matched moulds, sees Fig. 9.

Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.

Claims (8)

1. a kind of two layers of pattern block tire-mold, it is characterised in that including quantity it is equal and up and down peace hold pattern block and Upper pattern block, the circumferencial direction of described lower pattern block along base is set, and described lower pattern block and upper pattern block is outer Circle provided with both shared director elements, described director element along described lower pattern block and upper pattern block can more than Lower motion, open-and-close mechanism is opened flat on described base provided with what pattern block under driving was moved horizontally；

In director element to when moving obliquely, lower pattern block is in director element and level under the common driving for being opened flat open-and-close mechanism It is displaced outwardly, and upper pattern block is moved horizontally outward under the driving of director element；And when director element is moved to pattern block Extreme position when, lower pattern block is moved to maximum position, be now opened flat by being arranged on open-and-close mechanism stop component carry out Stop；Director element continues to drive pattern block to move upwards under external force, realizes die sinking；When director element is moved downward When, lower pattern block and upper pattern block level are moved inward, and realize matched moulds.

2. two layers of pattern block tire-mold as claimed in claim 1, it is characterised in that the base peripheral edge portion along its Groove corresponding with lower pattern block is provided with the radial direction, and the described open-and-close mechanism that is opened flat includes a bearing pin and an elasticity member Part, described bearing pin is inserted into described groove, is set with and has elastic component between one end of the bearing pin and bottom portion of groove, The other end is connected with stop baffle plate, and described stop baffle plate drives lower pattern block along remote by connector under external force Or moved close to the direction of base.

3. two layers of pattern block tire-mold as claimed in claim 2, it is characterised in that described connector includes one and institute The vertical roller bearing of the bearing pin stated, described roller bearing two ends are supported by two supporting plates, and are respectively offered in two supporting plates One elongated hole, roller bearing two ends are overlapped in elongated hole, and described roller bearing side is connected with lower pattern block, and the opposite side of roller bearing is with stopping Dynamic baffle plate is connected.

4. two layers of pattern block tire-mold as claimed in claim 1, it is characterised in that described upper die component includes gib block And lead ring；The described upper pattern block back side, which is provided with acclivitous guide groove, the guide groove, is provided with gib block, described gib block It is engaged with lead ring, die sinking campaign is carried out by the mobile upper pattern block of lead ring traction.

5. two layers of pattern block tire-mold as claimed in claim 4, it is characterised in that described guide groove upper end is equipped with spacing Block, for the spacing of upper pattern block；Upper pattern block upper end is provided with top shoe.

6. two layers of pattern block tire-mold as claimed in claim 2, it is characterised in that described stop baffle plate and a connecting lever It is connected.

7. two layers of pattern block tire-mold as claimed in claim 6, it is characterised in that described lead ring is upper pattern block with Pattern block is shared, and roller is provided with its lower end, during described lead ring is moved up along described guide groove, drives institute The roller stated is moved upwards along described connecting lever, and connecting lever is displaced outwardly under the driving of roller along the radial direction of base； Connecting lever drives the motion of stop baffle plate, the dynamic lower pattern block movement of stop baffle belt.

8. two layers of pattern block tire-mold as claimed in claim 6, it is characterised in that described connecting lever and the mating surface of roller Including two obtuse-angulate planes I, II, plane I is consistent with the direction of guide groove, and the direction of plane II and guide groove is into obtuse angle, plane Pass through an arc surface transition between I, II.