Tire tread rolling device
Technical field
The utility model relates to a kind of tyre production equipment, especially a kind of tire tread rolling device.
Background technique
In tire building process, the tyre surface for needing to post is rolled by rolling wheel, by tyre surface composite members and carcass
Composite members fitting is close.Structure is complicated for existing tire tread rolling device, it is difficult to adapt to the molding of multiple types tire.
Utility model content
It is unique that the purpose of the utility model is to provide a kind of structure novels, easy to adjust, and can adapt to various tires
Molding tire tread rolling device;The specific technical proposal is:
A kind of tire tread rolling device, including be moved forward and backward platform, move left and right platform and two tyre surface rolling mechanisms,
The tyre surface rolling mechanism moves left and right on platform described in being mounted on, and moves left and right stage+module in the back-and-forth motion platform
On;It moves left and right platform and is made of tandem mobile mechanism, the movement of preceding linear moving mechanism and rear linear moving mechanism
Position is all made of mutually independent driving unit driving;The front-end and back-end of the pedestal of tyre surface rolling mechanism respectively with it is described preceding straight
One in line mobile mechanism and the rear linear moving mechanism is hinged by articulated shaft, passes through with another hinged on sliding block
Axis is hinged.
Further, the back-and-forth motion platform includes that front-rear direction extends two sliding rails disposed in parallel;Two one slide rails it
Between be provided with the lead screw parallel with the sliding rail;The lead screw is driven by motor;Feed screw nut, the lead screw are provided on lead screw
Nut is fixedly connected with the top plate bottom face of platform;The bottom end of the top plate is further fixedly arranged on the sliding block with sliding rail cooperation;Silk
Thick stick rotation drives top plate to be moved forward and backward along sliding rail.
Further, the platform that moves left and right includes that left and right directions extends sliding rail disposed in parallel and two sets of screw mechanisms;
Two sets of screw mechanisms are respectively driven by two motors;There are two feed screw nuts for setting on every set lead screw;Lead screw is by two sections of rotation direction phases
Anti- lead screw connects composition.
Further, the tyre surface rolling mechanism includes tyre surface pressure roller installing handle, tyre surface pressure roller and tyre surface pressure roller cylinder;It is described
The piston rod of tyre surface pressure roller cylinder is fixedly connected with the tyre surface pressure roller installing handle, and tyre surface pressure roller installing handle is driven to move forward and backward;
The central axis of the tyre surface pressure roller is fixed on tyre surface pressure roller installing handle front end;The circumferential plane of tyre surface pressure roller and the normal direction side of tyre surface
To consistent.
Slideway, two be mounted in slideway are arranged in rolling wheel base bottom in the utility model tire tread rolling device
Sliding block is respectively along two guide screw movements;When movement velocity of two sliding blocks on lead screw is consistent, rolling wheel is translated;When two
When the movement velocity on lead screw is inconsistent, on the one hand rolling wheel translates a sliding block;On the other hand it can swing;Pass through change
The parameter of program, the translation of adjustable rolling wheel and swing angle, to adapt to the tire tread rolling technology of different size.
Detailed description of the invention
Fig. 1 is the utility model tire tread rolling device structural schematic diagram shaft side figure;
Fig. 2 is the utility model tire tread rolling device structural schematic diagram main view;
Fig. 3 is the utility model tire tread rolling device structural schematic diagram left view;
Fig. 4 is the utility model tire tread rolling device structural schematic diagram top view;
Fig. 5 is the structural schematic diagram partial enlarged view of cord rolling mechanism;
Fig. 6 is the structural schematic diagram of the pressure roller swing arm unit of cord rolling mechanism;
Fig. 7 is the utility model tire tread rolling device partial structural diagram.
In figure: 1, tyre surface rolling mechanism moves left and right platform;1-1, sliding rail and support;2, cord rolling mechanism moves left and right
Platform;3, it is moved forward and backward platform;3-1, it is moved forward and backward sliding rail;4, tyre surface rolling mechanism;4-1, tyre surface pressure roller cylinder;4-2, tyre surface
Pressure roller installing handle;4-3, tyre surface pressure roller;5, sidewall rolling mechanism;5-1, rotary cylinder;5-2, sidewall pressing roller holder;5-3, sidewall
Pressure roller;5-4, strut;6, cord rolling mechanism;6-1, pressure roller swing arm;6-2, pressure roller swing arm attachment;6-3, auxiliary swing arm.
Specific embodiment
The utility model is made a more thorough explanation below with embodiment.The utility model can be presented as it is a variety of not
Same form, should not be construed as limited to the exemplary embodiments described herein.
The spatially relative terms such as "upper", "lower" " left side " " right side " can be used herein for ease of explanation, for saying
Relationship of the elements or features relative to another elements or features shown in bright figure.It should be understood that in addition in figure
Except the orientation shown, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device is squeezed, and is stated as being located at other elements or the element of feature "lower" will be located into other elements or feature "upper".Cause
This, exemplary term "lower" may include both upper and lower orientation.Device, which can be positioned in other ways, (to be rotated by 90 ° or is located at
Other orientation), it can be interpreted accordingly used herein of the opposite explanation in space.
Embodiment 1
As shown in Figures 1 to 4, the tire tread rolling device in the present embodiment includes being moved forward and backward platform 3, tyre surface rolling
Mechanism moves left and right platform 1 and tyre surface rolling mechanism 4.Platform 3 is wherein moved forward and backward in lowest level, drives tyre surface rolling mechanism left
It moves to right moving platform 1 and tyre surface rolling mechanism 4 is moved forward and backward.Tyre surface rolling mechanism 4 be mounted on tyre surface rolling mechanism move left and right it is flat
On platform 1;Tyre surface rolling mechanism moves left and right platform 1 and two tyre surface rolling mechanisms 4 is driven outwardly or inwardly to move, while driving two
A tyre surface rolling mechanism 4 makes rotating motion in horizontal plane, keeps tyre surface pressure roller 4-3 consistent with the curved surface normal direction of tyre surface.Tyre surface pressure roller
4-3 is pushed by tyre surface pressure roller cylinder 4-1, and rolling tyre surface composite members during exercise is bonded tyre surface composite members with carcass composite members.
As shown in fig. 7, tyre surface pressure roller 4-3 is fixed on the front end of tyre surface pressure roller installing handle 4-2;Tyre surface pressure roller installing handle 4-2
It is divided into the staight shank portion of rear end and crank portion two parts of front end;Straight shank base is provided with two pieces of front and back installing handle sliding block.Tyre surface
It is provided on the pedestal of rolling mechanism 4 and the consistent sliding rail of staight shank portion extending direction;Installing handle sliding block guides installing handle along sliding rail
It slides back and forth.The pedestal upper surface of tyre surface rolling mechanism 4 is provided with tyre surface pressure roller cylinder 4-1, the piston of tyre surface pressure roller cylinder 4-1
Bar top is fixedly connected with tyre surface pressure roller installing handle 4-2, and the central axis direction of piston rod is consistent with the extending direction in staight shank portion.
Crank portion first curves inwardly 90 degree, can make the initial position of two tyre surface pressure roller 4-3 as close to;Then to
Upper 90 degree of bending;Keep the wheel rim of tyre surface pressure roller 4-3 parallel with the extending direction in staight shank portion;In this way, in initial position, wheel rim and tire
The normal direction in face is consistent, and generation level after tyre surface stress is avoided to slide.
Tyre surface rolling mechanism moves left and right platform 1 and is included in the lead screw disposed in parallel of front and back two;Lead screw is driven by motor.
Feed screw nut there are two being arranged on the lead screw of rear side;The top of feed screw nut is provided with pin shaft;The pedestal of tyre surface rolling mechanism 4
Bottom face be provided with the consistent sliding rail of staight shank portion extending direction, pedestal sliding block, the setting of pedestal slider bottom are provided on sliding rail
There is the pin shaft hole of corresponding pin shaft.Two feed screw nuts pass through the pedestal bottom end of two tyre surface rolling mechanisms 4 of pin shaft and left and right respectively
The pin shaft hole of the pedestal sliding block bottom end of surface rear end is socketed.Lead screw rotation drives feed screw nut that can move in left-right direction.Lead screw
Nut drives 4 rear end left and right directions of tyre surface rolling mechanism mobile.Pedestal sliding block can be rotated around pin shaft.Tyre surface rolling mechanism or so
Mobile platform 1 structure bilateral symmetry;Half section of a left side for lead screw is with right half section of thread rotary orientation on the contrary, so that the tyre surface rolling mechanism on both sides
Symmetric motion.
Equally, feed screw nut there are two being also arranged on the lead screw of front side;The top of feed screw nut is provided with pin shaft;Tyre surface
Pin shaft hole seat is arranged in the pedestal bottom face front end of rolling mechanism 4;Pin shaft hole seat bottom end is provided with pin shaft hole corresponding with pin shaft.Two
A feed screw nut passes through the pin shaft hole cover for seat of the front end of the pedestal bottom face of two tyre surface rolling mechanisms 4 of pin shaft and left and right respectively
It connects.
When the speed of the installing handle sliding block on the lead screw of front and back two is not 0 and relative velocity is 0, tyre surface rolling mechanism 4
It does not rotate, only makees parallel motion.When the installing handle sliding block on the lead screw of front and back two speed for 0 and relative velocity be not also
When 0, tyre surface rolling mechanism 4 can be deflected, and form rotary motion;It moves left and right simultaneously.
It is to rotate and move left and right two by the Kinematic Decomposition of tyre surface pressure roller 4-3 using this mechanism controls tyre surface pressure roller 4-3
Part controls the movement of tyre surface pressure roller 4-3 by controlling the revolving speed of two lead screws respectively.This control method facilitates calculating;
When production line re-type model, the parameter curve of the revolving speed of lead screw need to only be modified, tyre surface pressure roller 4-3 can be realized
Curve movement variation;Replacement control mechanism is not needed.
Tyre surface rolling mechanism, which moves left and right 1 top end face of platform, can be set two one slide rails and support 1-1;Every one slide rail and branch
Support the corresponding lead screw of 1-1.
In order to improve the rigidity of sliding rail;In embodiment tyre surface rolling mechanism move left and right 1 top end face of platform be provided with
Three parallel one slide rails of lead screw and support 1-1;Preceding two support sliding rails and the support front end 1-1;Subsequent sliding rail and support 1-1 branch
Support rear end.Two tyre surface rolling mechanisms 4.Feed screw nut is fixedly connected with the sliding block on sliding rail;By sliding block to tyre surface rolling mechanism 4
It is supported, avoids generating pressure to lead screw.
Platform 3 is moved forward and backward also using the mechanism of lead screw, feed screw nut;Two lead screws disposed in parallel prolong along the longitudinal direction
It stretches.Two feed screw nuts are set on every lead screw;Four feed screw nuts are fixed on the bottom that tyre surface rolling mechanism moves left and right platform 1
On seat lower end surface.Driving motor drives lead screw rotation, and the rotary motion of lead screw is converted to the straight of feed screw nut by feed screw nut
Line movement, feed screw nut drive tyre surface rolling mechanism to move left and right platform 1 and move along the longitudinal direction.It is moved forward and backward the top of platform 3
End face, which is additionally provided with, is moved forward and backward sliding rail 3-1;Meanwhile tyre surface rolling mechanism moves left and right the pedestal bottom face of platform 1 and is also provided with
There is sliding block, sliding block support base is slided along sliding rail;Lead screw is used only as moving forward and backward, and does not undertake support force.
Embodiment 2
Sidewall rolling mechanism 5 is increased in the present embodiment;It can make full use of and be moved forward and backward platform 3, tyre surface rolling mechanism
Move left and right platform 1;After tyre surface rolling step, realize that sidewall rolls function.
Sidewall rolling mechanism 5 includes pedestal, rotary cylinder 5-1, sidewall pressing roller holder 5-2, sidewall pressure roller 5-3 and strut 5-
4 .Base bottom is provided with feed screw nut, and pedestal is fixedly connected with feed screw nut.It is left that feed screw nut is set in tyre surface rolling mechanism
It moves to right on the lead screw before moving platform 1;It can also be set on subsequent lead screw.The bottom of pedestal is also fixedly installed with sliding
Supporting block;The bottom and tyre surface rolling mechanism that slidably support block move left and right the two one slide rail sliding contact of front and back of platform 1;Support
Sidewall rolling mechanism 5 is moved left and right along sliding rail.Two sidewall rolling mechanisms 5 with lead screw rotation left and right directions outwardly or inwardly
It is mobile.
The rotary shaft of rotary cylinder 5-1 is fixed on the base;When movement, cylinder body rotates, and rotary shaft is fixed.Sidewall pressure
Roller support 5-2 is fixed on the cylinder body of rotary cylinder 5-1, is rotated with cylinder body.The front end of sidewall pressing roller holder 5-2 is provided with and can lock
Tight rotating arm, sidewall pressure roller 5-3 are mounted on the front end of rotating arm.The front end of rotating arm and sidewall pressing roller holder 5-2 is hinged;Rotation
The rear end setting of pivoted arm is with teeth.In use, rotating arm is first adjusted to suitable position, recycle sidewall pressing roller holder 5-2's
The block tongue of front end setting blocks tooth, locks the position of rotating arm.
After tyre surface rolling, the expansion of assembly drum capsule pushes capsule after the expansion to a certain extent of sidewall to deflate, and sidewall is at itself
Gap is generated between assembly drum under the centrifugal action that deformation and assembly drum high-speed rotation generate;Sidewall rolling mechanism 5 is mobile
To setting position, rotary cylinder rotation protrudes into sidewall pressure roller 5-3 in gap, and the outer rim of sidewall pressure roller 5-3 rolls sidewall.For
It avoids the non-roll station in sidewall from contacting with sidewall pressure roller 5-3, increases rolling resistance;On sidewall, pressure roller 5-3 is far from assembly drum table
The side in face is provided with strut 5-4;Strut 5-4 is two, struts sidewall material from the upper lower edge of sidewall pressure roller 5-3 respectively, makes
Pressure roller 5-3 in sidewall only rolls position and contacts with sidewall material.Non- roll station is supported using strut 5-4.It can also be in strut
Several bearings are arranged outside 5-4, further decrease the frictional force between sidewall and strut 5-4.Side rolls sidewall, sidewall roller press
5 side of structure is moved backward with platform 3 is moved forward and backward, and is gradually automatically performed the rolling process of sidewall from inside to outside;It does not need manually to join
With.
Embodiment 3
The present embodiment also adds cord rolling mechanism 6 and cord rolling mechanism moves left and right on the basis of embodiment 2
Platform 2.Two cord rolling mechanisms 6 are mounted on cord rolling mechanism and move left and right on platform 2;Cord rolling mechanism moves left and right
Platform 2, which is mounted on, to be moved forward and backward on platform 3.It is moved forward and backward platform 3 and drives cord rolling mechanism 6 forward, close to laminating drum;Cord
Pressure roller compresses cord.While laminating drum rotates, two cord rolling mechanisms 6 move from inside to outside respectively in left-right direction, can
To carry out rolling operation to cord.
Cord rolling mechanism includes pedestal, curtain cloth press roller principal arm and pressure roller swing arm;Curtain cloth press roller principal arm is fixed on the base,
The base portion of pressure roller swing arm and curtain cloth press roller principal arm top are hinged;Push pressure roller swing arm around hinge by the piston rod of tire casing cylinder
Spindle is swung, and the top of pressure roller swing arm is arranged in pressure roller.Carcass composite members are fitted on laminating drum, after being bonded cord and infantees;
Laminating drum rotation, pressure roller carry out rolling operation to cord.Pressure roller uses glue coating wheel;Glue coating wheel width range is 45-50mm.
Preferably rolling effect is generated in heel fabric and carcass edge when in order to roll, while avoiding curtain cloth edges steel wire
Exposed damage glue coating wheel;It is also provided with auxiliary swing arm 6-3 and auxiliary pressure roller;Pressure roller is assisted to use steel wheel;Assist the width of pressure roller
It can be narrower than pressure roller width.Assist swing arm 6-3 and the top of pressure roller swing arm 6-1 hinged, auxiliary pressure roller is mounted on auxiliary swing arm
Top;Pressure roller cylinder control auxiliary swing arm 6-3 is assisted to swing around articulated shaft.Assist the bottom end of pressure roller cylinder can be with curtain cloth press roller
Principal arm is hinged, individually controls pressure roller swing arm and auxiliary swing arm.Can also be as shown in Figure 5, Figure 6, it will be on pressure roller swing arm 6-2
Add the pressure roller swing arm attachment 6-2 of T font;The main branch end of pressure roller swing arm attachment 6-2 is fixed on pressure roller swing arm 6-1;It will be auxiliary
The bottom end of pressing aid roller cylinder and the end of the son field of the pressure roller swing arm attachment 6-2 of T font are hinged.The control of the latter is simpler;
When pressure roller is rolled to infantees region, auxiliary pressure roller cylinder control auxiliary swing arm is shown, and auxiliary pressure roller cylinder uses bleed pressure,
When assisting pressure roller stretching to be pressed onto carcass, the bottom end of auxiliary pressure roller cylinder presses point of the pressure roller swing arm attachment 6-2 of T font backward
The end of branch section;Pressure roller swing arm 6-1 reversion, can be real in the case where having no need to change the state of a control of tire casing cylinder
Existing encapsulated pressure roller is separated from carcass, to be converted to the edge of auxiliary pressure roller rolling infantees and cord.By control system according to
Pressure roller moves horizontally position, is rolled using different pressure rollers to cord;It ensure that rolling effect also extends making for glue coating wheel
Use the service life.
Back-and-forth motion in above-described embodiment moves left and right and is not limited to lead screw transmission mechanism, can also use gear, rack gear
Or the rotary motion of motor is converted to linear motion by the forms such as synchronous belt.It can also be using electric cylinders, hydraulic cylinder etc. come real
The driving now to move along a straight line.
Above-mentioned example is only intended to illustrate the utility model, and in addition to this, also there are many different embodiments, and these
Embodiment be all those skilled in the art after comprehension the utility model thought it is also envisioned that therefore, no longer arrange one by one herein
It lifts.