CN208860612U - Zero point precisely stops and holds up positioning device - Google Patents

Abstract

The utility model belongs to tire production technical field, it precisely stops more particularly to a kind of zero point and holds up positioning device, it is characterized in that, including main body frame, conveyer belt, rotating roller, Chromatic sensor, sensor stand and controller, two conveyer belts are equipped with along tire direction of travel arranged in parallel on main body frame, it is equipped with lifting brake between two conveyer belts of main body frame middle position and holds up pressing plate, symmetrical a pair of of folded arm is equipped on front side of the tire direction of travel of the main body frame.Compared with prior art, the utility model has the beneficial effects that 1) present apparatus with tyre uniformity testing machine or dynamic balance test machine dedicated for matching.2) realization sequence operates under the control of PLC, realizes that Unmanned operation provides support for testing machine.3) horizontal position and upright position of Chromatic sensor are adjustable, improve the specification limit of equipment detection tire.4) it can be combined into one with tire inunction process, reduce unnecessary station setting.

Description

Zero point precisely stops and holds up positioning device

Technical field

The utility model belongs to tire production technical field, and in particular to one kind is for ajusting tire posture, and to wheel The zero point of tyre uniformity testing machine or dynamic balance test machine conveying tire, which is precisely stopped, holds up positioning device.

Background technique

Carrying out stringent quality testing to tire is the important production ring for guaranteeing tire quality, ensuring vehicle operational safety Section, especially to its inner case, the mass defect as existing for the positions such as sidewall, tyre bead, crown and being mingled with impurity Situation carries out complete detection, and current detection process is relatively complicated, and occupied space is big, cumbersome complexity.

Tire is commonly present phenomena such as size, uneven rigidity uniform mass unbalance, and the detection to this energy imbalance is It is realized by the uniformity test of tire.Since tire dynamic unbalance caused by inhomogeneities and static unbalance can shadows Ring riding comfort, control stability and the safety of car.Automobile driving speed is faster, and this influence is also more obvious, therefore Tire enterprise is all detected automobile tire uniformity as one of key index of control of product quality.

In order to eliminate the unbalance dynamic of tire, to be corrected by increasing the method for counterweight.This dynamic balance calibration counterweight The testing result when determination of size and location will be according to tyre evenness and dynamic balance running, it is therefore desirable to the inspection of tire Location sets accurate positionin, keeps repeatability consistent, can just make wheel balance correction more accurate.

The patent of invention that China Patent No. is 201510520713.5, which discloses, " a kind of mechanical lock clamping and positioning device and answers With the tire uniformity testing system of the device, solves the form Hydraulic Elements option for using Driven by Hydraulic Cylinder in the prior art Difficult, at high cost, the problem of structure is complicated and high failure rate, its key points of the technical solution are that a kind of mechanical lock positioning dress It sets, includes motor, transmission device, lead screw assembly, the motor includes output shaft, and being additionally provided on the output shaft prevents The back-stop mechanism of the output shaft reversion, the back-stop mechanism includes movement output ends, and the output end passes through the transmission By power transmission to the lead screw assembly, one end of the lead screw assembly is additionally provided with braking or unclamps the lead screw group device The brake apparatus of part has reached and has carried out reliable locking positioning by mechanical type." device be used for tyre uniformity testing machine, Its shortcoming is to influence the running efficiency of testing machine for being placed on testing machine than relatively time-consuming tire positioning operation.Another party Face is without detection and localization element high-precision enough, it cannot be guaranteed that the control precision of tire attitude angle.

Summary of the invention

It precisely stops the purpose of the utility model is to provide a kind of zero point and holds up positioning device, overcome the deficiencies in the prior art, specially Door is accurately positioned detection start bit for the tire pose adjustment before cooperating tyre evenness detection and tire dynamic and balance detection It sets, solves the problems, such as that the tire monitor data record of tyre tester is not accurate enough, zero point is done with this initial position, with curve Form carries out accurate recording to tyre evenness and dynamic balancing testing result, not only realizes determine tire capability parameter in this way Property detection, also achieve to uniformity positioning, quantitative detection and record.

To achieve the above object, the utility model is achieved through the following technical solutions:

Zero point precisely stops and holds up positioning device, which is characterized in that including main body frame, conveyer belt, rotating roller, color difference sensing Device, sensor stand and controller are equipped with two conveyer belts, two conveyings along tire direction of travel arranged in parallel on main body frame Band left and right outside is each to be equipped with a rotating roller in parallel, and two rotating rollers are set on crane, the Chromatic sensor It is set on sensor stand, positioned at the top of conveyer belt, by going up and down between the sensor stand and the Chromatic sensor Bar is connected, the relatively described sensor stand of elevating lever position-adjustable in horizontal and vertical two dimensions；Body frame It is equipped with lifting brake between two conveyer belts of frame middle position and holds up pressing plate, is set on front side of the tire direction of travel of the main body frame There is symmetrical a pair of of folded arm.

The lifting brake holds up pressing plate and is connected to the top that brake holds up slide plate, stops and holds up the sliding slot that slide plate is set to the main body frame In, the lifting, which stops to hold up pressing plate and roll equipped with the nut on lead screw and main body frame, to be cooperated, and the lower end of the lead screw, which connects, stops Hold up driver.

The rotating roller has rough surface, and the rotation direction setting of two rotating rollers is identical or opposite.

The folded arm includes armed lever, idler wheel and folded arm axis, and the idler wheel is set to armed lever front end, and the armed lever rear end is connected to The lower end of the upper end of the folded arm axis, the folded arm axis is connected with synchronous drive mechanism.

The synchronous drive mechanism includes left swing arm, right swing arm, actuating arm and connecting rod, one end and a left side of the left swing arm The folded arm shaft end of folded arm is fixedly connected, and one end of the right swing arm is fixedly connected with the folded arm shaft end of right folded arm, left swing arm it is another The other end of one end and right swing arm is hingedly connected to the both ends of connecting rod, the folded arm shaft end of the left folded arm or the folded arm of right folded arm The output shaft end that shaft end also passes through actuating arm and folded arm driver is hinged and connected.

The folded arm driver is any one of cylinder, oil cylinder, electric pushrod.

The sensor stand is portal structures or single-cantilever structure.

Compared with prior art, the utility model has the beneficial effects that 1) present apparatus with tyre evenness dedicated for trying It tests machine or dynamic balance test machine matches, for supplying standby inspection tire to testing machine.2) wheel is realized under the control of PLC Tire moves in, stops and holds up pressing plate and rise, folded arm positioning, rotation small change point, stop and hold up that pressing plate falls brake, folded arm is opened, stops and holds up pressing plate and move back Out, the sequence such as tire submitting operates, and realizes that Unmanned operation provides support for testing machine.3) horizontal position of Chromatic sensor and Upright position is adjustable, improves the specification limit of equipment detection tire.4) it can be combined into one, be reduced not with tire inunction process Necessary station setting.

Detailed description of the invention

Fig. 1 is the utility model embodiment structural schematic diagram (tire reaches at zero-point positioning, and brake holds up pressing plate raised configuration)

Fig. 2 is the top view of Fig. 1 (tire is pushed into stop and be held up within the scope of pressing plate function by folded arm).

Fig. 3 is that the utility model brake holds up pressing plate and falls braking state structural schematic diagram.

Fig. 4 is A-A cross-sectional view in Fig. 3 (lifting stops and holds up pressing plate sectional view).

Fig. 5 is the utility model folded arm example structure schematic diagram.

Fig. 6 is the utility model synchronous drive mechanism example structure schematic diagram.

In figure: 1- main body frame, 2- conveyer belt, 3- Chromatic sensor, 4- sensor stand, 5- rotating roller, 6- tire, 7- crane, 8- lifting, which is stopped, holds up pressing plate, the left folded arm of 9-, the right folded arm of 10-, 11- optoelectronic switch, 13- elevating lever, and 14- brake holds up slide plate, 15- lead screw, 16- nut, 17- brake hold up driver, 18- sliding slot, 91- armed lever, 92- idler wheel, 93- folded arm axis, 94- Synchronous Transmission machine Structure, 95- folded arm driver.

Specific embodiment

It is described further below with reference to preparation method of the embodiment to the utility model:

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, The concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

See Fig. 1 to Fig. 3, is that the utility model zero point precisely stops and holds up positioning device example structure schematic diagram, including main body Frame 1, conveyer belt 2, Chromatic sensor 3, sensor stand 4, rotating roller 5 and controller (not shown), edge on main body frame 1 Tire direction of travel arranged in parallel is equipped with two conveyer belts 2, and two conveyer belts or so outside is each to be equipped with a rotating roller in parallel 5, two rotating rollers are set on crane 7, and Chromatic sensor 3 is set on sensor stand 4 positioned at the upper of conveyer belt 2 Side, is connected between sensor stand 4 and Chromatic sensor 3 by elevating lever 13,13 relative sensors bracket 4 of elevating lever exists Position-adjustable in horizontal and vertical two dimensions, Chromatic sensor 3 are located at the top of conveyer belt 2, for sweeping to tire 6 It retouches, identification feature position (bar code location for paste).Sensor stand is single-cantilever structure in embodiment.

It is equipped with lifting brake between two conveyer belts 2 of 1 middle position of main body frame and holds up pressing plate 8, in the wheel of main body frame Symmetrical a pair of of folded arm (left folded arm 9 and right folded arm 10) is equipped on front side of 6 direction of travel of tire.In order to improve frictional force, revolve Transfer roller road 5 has rough surface, for example beading shape roll surface or ditch flute profile roll surface, the rotation direction of two rotating rollers 5 can be set It is fixed identical or on the contrary, tire 6 falls on rotating roller surface by 2 surface of conveyer belt after crane 7 drives the rise of rotating roller 5, Two 5 direction of rotation of rotating roller are on the contrary, tire thereon can be realized and be rotated around own axes.When crane 7 drives rotating roller After road 5 is fallen, tire is fallen in again again on the surface of conveyer belt 2, and conveyer belt 2 is run, and tire can be transported to designated position.

Fig. 4 is along line A-A cross-sectional view in Fig. 2, this stops for lifting and holds up pressing plate sectional view, and lifting brake holds up pressing plate 8 and is connected to brake Hold up the top of slide plate 14, stop and hold up slide plate 14 in the sliding slot 18 of main body frame 1, lifting stop hold up pressing plate 8 equipped with lead screw 15 with Nut 16 on main body frame rolls cooperation, and the lower end connection of lead screw 15, which is stopped, holds up driver 17.It is servo electricity that brake, which holds up driver 17, Machine.When brake, which holds up driver 17, drives 15 positive and negative rotation of lead screw, brake is held up slide plate 14 and is moved up and down, and brake is held up when slide plate 14 rises and released Tire is put, tire is compressed when falling and plays the role of brake.Lead screw 15 can also be substituted using rack gear, hold up driver 17 with brake Driving is realized in the gear engagement of driving.

In embodiment, brake, which is held up, can also connect polish applying shoes-brush on 14 side wall of slide plate, for the mounting surface brush to tire and wheel hub Oil can be combined into one with tire inunction process, reduce unnecessary station setting.

Fig. 5 is the utility model folded arm example structure schematic diagram, includes armed lever 91, idler wheel 92 and folded arm in left folded arm 9 Axis 93, idler wheel 92 are set to 91 front end of armed lever, and 91 rear end of armed lever is connected to the upper end of folded arm axis 93, the lower end of folded arm axis 93 with it is synchronous Transmission mechanism 94 is connected.Left folded arm 9 synchronous obvolvent and relieving under the drive of synchronous drive mechanism with right folded arm 10, by tire It presses to brake and holds up slide plate 14, realize the positioning of tire.

Fig. 6 is the utility model synchronous drive mechanism example structure schematic diagram, and synchronous drive mechanism 94 includes left swing arm 941,93 end of folded arm axis of right swing arm 942, actuating arm 943 and connecting rod 944, one end of left swing arm 941 and left folded arm 9 is fixed to be connected It connects, the end of folded arm axis 93 ' of one end of right swing arm 942 and right folded arm is fixedly connected, the other end of left swing arm 941 and right swing arm 10 The other end is hingedly connected to the both ends of connecting rod 944, and 93 end of folded arm axis of left folded arm 9 or the end of folded arm axis 93 ' of right folded arm 10 are gone back It is hinged and connected by actuating arm 943 and the output shaft end of folded arm driver 95.Folded arm driver is cylinder.

The working principle of the utility model is: the posture of adjustment tire detects tire on a references angle, when uniform At one week, one 360 ° of curve can be generated, 0 ° of angle of curve is exactly references angle, to need zero point fixed just convenient for statistical analysis Position system realize it is all detection tires references angles all since a specific position (such as bar code paste position), certainly References angle is also possible to opposite inclined 90 ° of barcode position, and 180 ° or any other angle, this is depending on user demand. When tire rotates, Chromatic sensor detects the color difference of type bar code and tire background, identifies the bar code on tire to obtain Direction extending circumferentially around the tire location information, controller issue brake signal, tire are made accurately to be parked in specified angle according to specified angle Spend position.

Chromatic sensor can both horizontally and vertically adjust position.Elevating lever transversely slideway in 600mm model It is moved horizontally in enclosing, elevating lever can adjustment highly, can greatly improve zero-point positioning device so up and down within the scope of 125mm The ability of clear positioning tire barcode position.

Since the specification type of tire is more, wheel rim diameter is different, weight is different, required fixed point sensor (i.e. color Gap sensor) position is all not quite similar, so needing to obtain the rim diameter data that will pinpoint tire, this part and item in advance Shape code identifying system, which matches, may be implemented, and obtain the data of the wheel rim of tire in advance, then inquire the formulation library of fixed point The position of fixed point actuator is obtained, is achieved in formulation library set tire references angle.

After detection system issues stop signal, due to varying in weight for tire, the tire deflection angle as caused by inertia Also not identical, this causes the tire monitor data record of testing machine not accurate enough.Caused by solving different kinds of tyre because of inertia The not accurate enough problem of data record, the present apparatus are equipped with tire rotation brake and hold up device, i.e. tire rotates " brake " device, makes tire It is accurately parked in reference angular position, the angular error for avoiding tire from generating by self inertia rotation, to make tire test The detection data origin of curve of machine fits like a glove with tire dead-center position, provides accurately tyre evenness detection data.

When tire 6 is moved to predetermined position on conveyer belt 2, and optoelectronic switch 11 detects tire, control system is issued Instruction, the lifting brake below rotating roller holds up the rise of pressing plate 8, while crane 7 drives rotating roller 5 to rise, and jacks up wheel Tire is allowed to be detached from conveyer belt 2, then the inside obvolvent of 9 folded arm of folded arm 10 of tire front end, pushes tire to be close to brake and holds up slide plate 14, together When Chromatic sensor project a hot spot, fall in surface of tyre, height and the lateral position for adjusting Chromatic sensor are suitable, make color Gap sensor hot spot is fallen on the same radius position of type bar code.At this moment, control system issues two rotating rollers 5 of instruction Counter-rotating drives tire to rotate around center line, and setting tire rotates 3 weeks, and Chromatic sensor 3 was identified in completion in the 1st week, when After Chromatic sensor the 3rd time is swept to bar code, control system issues instruction, and rotating roller 5 gradually slows down, arrives in type bar code Up to after the references angle of setting, control system issues roller-way and stops rotating instruction, while the lifting for being located at device top stops and holds up pressure Plate 8, which falls, compresses tire, prevents tire because inertia continues sliding rotation, control system ensures two movements while carrying out, in turn The bar code of tire is set accurately to stop at reference angular position, then, control system issues instruction, and lifting stops and holds up 8 liters of pressing plate It rises and unclamps tire, then tire moves forward, and lifting brake holds up pressing plate 8 and is retracted into tire lower part at the same time, and tire is sent out.

Embodiment described above be only for be described in detail the purpose of this utility model, technical scheme and beneficial effects and choose Specific example, but should in no way limit the protection scope of the utility model, it is all without prejudice to the spirit and principles of the utility model Under the premise of, made various modifications, equivalent replacement and improvement should fall within the protection scope of this utility model.

Claims (7)

1. zero point precisely stops and holds up positioning device, which is characterized in that including main body frame, conveyer belt, rotating roller, color difference sensing Device, sensor stand and controller are equipped with two conveyer belts, two conveyings along tire direction of travel arranged in parallel on main body frame Band left and right outside is each to be equipped with a rotating roller in parallel, and two rotating rollers are set on crane, the Chromatic sensor It is set on sensor stand, positioned at the top of conveyer belt, by going up and down between the sensor stand and the Chromatic sensor Bar is connected, the relatively described sensor stand of elevating lever position-adjustable in horizontal and vertical two dimensions；Body frame It is equipped with lifting brake between two conveyer belts of frame middle position and holds up pressing plate, is set on front side of the tire direction of travel of the main body frame There is symmetrical a pair of of folded arm.

2. zero point according to claim 1 precisely stops and holds up positioning device, which is characterized in that the lifting brake holds up pressing plate connection It at the top for holding up slide plate of stopping, stops and holds up slide plate in the sliding slot of the main body frame, the lifting brake holds up pressing plate equipped with lead screw It rolls and cooperates with the nut on main body frame, the lower end connection of the lead screw, which is stopped, holds up driver.

3. zero point according to claim 1 precisely stops and holds up positioning device, which is characterized in that the rotating roller has not only The rotation direction setting on sliding surface, two rotating rollers is identical or opposite.

4. zero point according to claim 1 precisely stops and holds up positioning device, which is characterized in that the folded arm includes armed lever, rolling Wheel and folded arm axis, the idler wheel are set to armed lever front end, and the armed lever rear end is connected to the upper end of the folded arm axis, the folded arm axis Lower end be connected with synchronous drive mechanism.

5. zero point according to claim 4 precisely stops and holds up positioning device, which is characterized in that the synchronous drive mechanism includes Left swing arm, right swing arm, actuating arm and connecting rod, one end of the left swing arm is fixedly connected with the folded arm shaft end of left folded arm, described One end of right swing arm is fixedly connected with the folded arm shaft end of right folded arm, and the other end of left swing arm and the other end of right swing arm are respectively articulated with In the both ends of connecting rod, the folded arm shaft end of the left folded arm or the folded arm shaft end of right folded arm also pass through actuating arm and folded arm driver Output shaft end be hinged and connected.

6. zero point according to claim 5 precisely stops and holds up positioning device, which is characterized in that the folded arm driver is gas Any one of cylinder, oil cylinder, electric pushrod.

7. zero point according to claim 1 precisely stops and holds up positioning device, which is characterized in that the sensor stand is door shape Structure or single-cantilever structure.