Background technology
In tyre rebuilding process, polishing is a very important operation, its objective is and the polishing patterns of surface of tyre is fallen, and is polished into the uniform tyre surface of roughness, so that give the tyre surface that tire changing is new.The quality of polishing directly has influence on the quality of retreads.Sander generally uses driven by motor bistrique High Rotation Speed, polished at surface of tyre along regulation curve by polishing curve controlled part band rotary bistrique, tread ply is polished into the smooth ruled surface with certain roughness, tire tread after polishing needs distance casingply to have certain thickness, the tire outside diameter of specification of the same race need be consistent as far as possible, facilitates the cutting of follow-up tyre surface.Therefore research and develop efficient, accurate, advanced tire grinding apparatus to raising renovation tire quality and renovation tire efficiency, improving renovation tire technique has very important meaning.
Full-automatic tire sander common is at present two column gantry formula structures, adopts chuck wheel rim fixed tire, and multiplex X, Y-axis orthogonal coordinate system is as the SERVO CONTROL coordinate system of grinding head matching polishing curve.The shortcoming of this equipment mainly contains:
1) complex structure, the mechanism of complete equipment is more, adds checkout gear, the dress servicing unit such as device of tyre, cleaning complete equipment is made up of tens parts.
2) floor space is large, and owing to adopting the main frame of two column gantry formula, and employ the SERVO CONTROL coordinate system of X, Y-axis, the space of the whole hold facility of considerable servicing unit is in addition very large,
3) girth of polishing does not mate with subsequent technique, the tire surface laminating machine used due to follow-up tyre surface laminating process is all balloon structure substantially, so be differentiated at sander and the tire circumference that draws of laminating airborne measurements, in information-based factory, the technological parameter of polishing and laminating is shared, and this brings sizable difficulty to data processing.
Utility model content
In order to solve the problem that the large and information of tire sander complex structure of the prior art, floor space cannot be shared, the utility model provide a kind of by sidewall cleaning with assist sanding apparatus to carry out integrated Full-automatic tire sander.
The technical solution of the utility model is:
Full-automatic tire sander, comprises frame, rack-mounted fixing device of the tire, carcass sanding apparatus, measuring thickness device and control device, also comprises the auxiliary sanding apparatus being arranged on frame side; Carcass sanding apparatus comprises grinding head, grinding head drive unit and grinding head apparatus for adjusting position.
Compared with prior art, the utility model installs auxiliary sanding apparatus in frame side, clean and the reconditioning of local location side to sidewall, and it is integrated with sidewall cleaning and assists sanding apparatus, simplifies the structure of tire sander, reduces floor space.
Preferably, auxiliary sanding apparatus comprises auxiliary grinding head, auxiliary grinding head driving mechanism and the handle that the supporting mechanism, the supporting mechanism that are connected with frame support.Auxiliary sander driving mechanism is motor, and auxiliary grinding head is wire wheel, and supporting mechanism comprises three mutually perpendicular cantilevers, and the first cantilever is connected with frame by rolling bearing.Wire wheel can arrive the optional position of tire under three cantilevers drive, and driven by motor wire wheel is polished to tire.
Preferably, fixing device of the tire is balloon, balloon is arranged on main shaft, and be connected with the gas circuit in main shaft, main shaft is arranged in frame by bearing, and main shaft is driven by driven by motor Chain conveyer, and motor adopts frequency control, to meet the rotating speed of tire under different step in bruting process, main shaft end installs the pneumatic element to balloon and tyre inflating.The effect of this device is mounting tyre, and to tyre inflating location, compared with prior art, the utility model adopts balloon as the fixed mechanism of tire, the tire fixed form of tire sander and tire surface laminating machine is united, facilitates the process of data and share; And owing to have employed the design of balloon, make the main frame of equipment can adopt single column, further reduce the floor space of equipment thus; The directly mode of driving of balloon eliminates tire driving device, and make complete equipment more compact, structure is simpler.
Preferably, grinding head apparatus for adjusting position comprises rack-mounted guide rail, the sliding platform coordinated with guide rail, the main rotary motion mechanism be arranged on sliding platform, be arranged on the turntable on main rotary motion mechanism, the grinding head rotary motion mechanism be arranged on turntable, grinding head and grinding head driving mechanism are arranged on grinding head rotary motion mechanism.Compared with prior art, grinding head apparatus for adjusting position is to realize matched curve of polishing, guide rails assembling in frame, to ensure that whole device and balloon have fixing, reliably relative position; Sliding platform on guide rail does the rectilinear motion of fore-and-aft direction in order to driving device; Main revolution drive installation, on sliding platform, by driven by servomotor, does accurate gyration under the control of servo controller; Turntable in order to install grinding head, and drives grinding head matching polishing curve; Grinding head revolution drives also by driven by servomotor, and effect is the angle adjusting grinding head in bruting process, ensures that grinding head and tyre surface circular arc remain tangency location; Grinding head does High Rotation Speed by motor through transmission device drive, polishes in high-speed rotation to tire tread.Driving center, grinding head center and the projection earthward of balloon center are turned round on the same line in main revolution driving center, grinding head, and grinding head and balloon are in sustained height.The class polar coordinate system of a plane is constituted by said apparatus, the any point in grinding head arrival plane can be made in the coordinate system, by the action of programme-control three servomotors, complete the matching of polishing curve, amendment parameter wherein just can obtain the polishing curve of different size.
Preferably, the touch-screen control cabinet be connected with control device is also comprised.
Preferably, also comprise boom hoisting, boom hoisting is arranged on frame top, comprise fix with frame support, by the rack-mount steel wire cylinder of two pulley yokes, the suspension hook that is connected with steel wire cylinder cylinder bar.Boom hoisting major function is seated on balloon by tire, use steel wire cylinder as the critical piece promoted, rising and the decline of suspension hook is controlled by the Pneumatic valve be arranged on suspension hook, direct pull suspension hook can make suspension hook horizontally slip, and is completed the handling of tire by the routing motion of this both direction.
Simultaneously upending frame is also provided with measuring thickness device, surveys all tall sensor, touch-screen control cabinet and other some auxiliary elements.
Preferably, measuring thickness device, touch-screen control cabinet are installed on support, and measuring thickness device comprises thickness measuring cylinder that installing rack, the installing rack fixed with support support, be arranged on calibrator on thickness measuring cylinder cylinder bar and roller, and roller is positioned at the both sides of calibrator.Measuring thickness device records the distance of current tyre surface distance metal-cord by thickness measurement sensor, protects bruting process with this, avoids being polished to metal-cord during polishing.Thickness measurement sensor is arranged on thickness measuring cylinder, when requirement thickness, cylinder stretches out, thickness measurement sensor is measured close to tyre surface, measure and terminate exhaust hood retraction, thickness measurement sensor is away from tyre surface, whole measuring process need be carried out in tire rotation formula, to guarantee to measure the tire tread thickness of a week.Measurement mechanism must ensure when installing thickness measurement sensor stretch out after position be positioned at the center of tire tread.
The beneficial effects of the utility model are:
1) adopt balloon as the fixed mechanism of tire, so just the tire fixed form of tire sander and tire surface laminating machine is united, facilitate the process of data and share.
2) have employed the design of balloon, make the main frame of equipment can adopt single column, thereby reduce the floor space of equipment.
3) curve controlled part have employed the polar SERVO CONTROL coordinate system of new-type class, and this coordinate system compact conformation, eliminates long straight guide, for tire polishing function by the fixing fabric structure of whole coordinate system in very little scope.
4) sidewall clearing apparatus and auxiliary sanding apparatus carried out integrated, and reduce volume; The directly mode of driving of balloon eliminates tire driving device simultaneously; Use the mode of lifting to load and unload tire, eliminate the tire jack up unit that volume is larger, make complete equipment more compact, structure is simpler.
5) measurement mechanism surveying girth, side tread thickness is housed on boom hoisting, takes full advantage of space.
Detailed description of the invention
Providing preferred embodiment of the present utility model below, be described further the utility model, is not to restriction of the present utility model.
As shown in drawings, Full-automatic tire sander, comprises frame 1, the fixing device of the tire be arranged in frame 1, carcass sanding apparatus, measuring thickness device, control device, the touch-screen control cabinet 5 be connected with control device, boom hoisting and be arranged on the auxiliary sanding apparatus 3 of frame side; Carcass sanding apparatus comprises grinding head 19, grinding head drive unit 8 and grinding head apparatus for adjusting position.
Auxiliary sanding apparatus comprises auxiliary grinding head 17, auxiliary grinding head driving mechanism 18 and the handle 16 that the supporting mechanism, the supporting mechanism that are connected with frame 1 support.Auxiliary sander driving mechanism 18 is motor, and auxiliary grinding head 17 is wire wheel, and supporting mechanism is comprised three mutually perpendicular cantilever 15, first cantilevers and is connected with frame 1 by rolling bearing.Wire wheel can arrive the optional position of tire under three cantilevers 15 drive, and driven by motor wire wheel is polished to tire.
Fixing device of the tire is balloon 7, balloon 7 is arranged on main shaft 23, and be connected with the gas circuit in main shaft 23, main shaft 23 is arranged in frame 1 by bearing, main shaft 23 is driven by driven by motor Chain conveyer, motor adopts frequency control, and to meet the rotating speed of tire under different step in bruting process, main shaft 23 end installs the pneumatic element to balloon 7 and tyre inflating.
Grinding head apparatus for adjusting position comprises the guide rail 2 be arranged in frame 1, the sliding platform 33 coordinated with guide rail 2, the main rotary motion mechanism 12 be arranged on sliding platform, is arranged on the turntable 11 on main rotary motion mechanism 12, the grinding head rotary motion mechanism 10 be arranged on turntable 11.On the same line, and grinding head 19 and balloon 7 are in sustained height to the projection earthward of the center of main rotary motion mechanism 12, grinding head rotary motion mechanism 8, grinding head 19 and balloon 7.Guide rail 2 lower end arranges electric cylinder 13 and controls sliding platform 33 and slide along guide rail 2.
Boom hoisting is arranged on frame top, comprises the support 28 fixing with frame 1, is arranged on the cylinder 27 on support 28, the steel wire be connected with cylinder 27 cylinder bar and suspension hook 4 by two pulley yokes 26.Use steel wire cylinder as the critical piece promoted, controlled rising and the decline of suspension hook by the Pneumatic valve be arranged on suspension hook, direct pull suspension hook can make suspension hook horizontally slip, and is completed the handling of tire by the routing motion of this both direction.
Simultaneously upending frame is also provided with measuring thickness device 6, surveys all tall sensor, touch-screen control cabinet 5 and other some auxiliary elements.Measuring thickness device 6, touch-screen control cabinet 5 are installed on support 28, the thickness measuring cylinder 29 that measuring thickness device comprises the installing rack 30 fixing with support 28, installing rack 30 supports, be arranged on calibrator 31 on thickness measuring cylinder 29 cylinder bar and roller 32, roller 32 is positioned at the both sides of calibrator 31.