阅读说明：本技术 一种给真空胎充气的全自动设备 (Full-automatic equipment for inflating vacuum tire ) 是由 陈兴 曹纯儒 董朝闻 张涛 田海洲 张元兵 尹丽 耿平 敖娜娜 于 2019-09-05 设计创作，主要内容包括：本实用新公开了一种给真空胎充气的全自动设备,包括支撑架,支撑架上设有轮胎定位装置、充气装置及控制系统,轮胎定位装置用于限位轮胎,充气装置能对真空胎进行轴向夹紧,充气装置通过控制系统能对真空胎依次进行爆充、充气作业；本发明利用行业内现有“爆充”原理,采用自动化充气装置进行“爆充”,使真空胎恢复至原始形状,然后再自动向轮胎内充气；本发明可简化充气流程,提高生产效率,降低劳动强度。(The utility model discloses a full-automatic device for inflating vacuum tires, which comprises a support frame, wherein the support frame is provided with a tire positioning device, an inflating device and a control system, the tire positioning device is used for limiting tires, the inflating device can axially clamp the vacuum tires, and the inflating device can sequentially perform explosion inflation and inflation operations on the vacuum tires through the control system; the invention utilizes the existing 'explosion-inflation' principle in the industry, adopts an automatic inflation device to perform 'explosion-inflation' so as to restore the vacuum tire to the original shape, and then automatically inflates the tire; the invention can simplify the inflation process, improve the production efficiency and reduce the labor intensity.)

1. The utility model provides a give full automatic equipment of vacuum child gas charging, includes the support frame, its characterized in that: the supporting frame is provided with a tire positioning device, an inflating device and a control system, the tire positioning device is used for limiting a tire, the inflating device can axially clamp a vacuum tire, and the inflating device can sequentially perform explosion inflation and inflation operations on the vacuum tire through the control system; the inflation device comprises a fixed inflation pressure plate, a movable inflation pressure plate, a double-acting cylinder and an air source device, the fixed inflation pressure plate and the movable inflation pressure plate are symmetrically arranged, the fixed inflation pressure plate is fixedly connected with the support frame, a first inflation port and a second inflation port are arranged in the disc surface of the fixed inflation pressure plate, the first inflation port can inflate the disc cavity of the fixed inflation pressure plate, the second inflation port is connected with an air valve on a tire through an inflation tube, the movable inflation pressure plate moves relative to the fixed inflation pressure plate through the double-acting cylinder on the support frame, and the air source device can convey gas to the fixed inflation pressure plate and the double-acting cylinder.

2. A fully automatic apparatus for inflating vacuum tyres as claimed in claim 1, characterized in that: the tire positioning device is composed of a nylon wheel guide rail and a tire limiting block, the nylon wheel guide rail is fixed on the support frame, the tire limiting block is supported on the nylon wheel guide rail, and two positioning grooves are formed in the supporting surface of the tire limiting block.

3. A fully automatic apparatus for inflating vacuum tyres, as claimed in claim 1 or 2, characterized in that: the control system has the structure that: a two-position three-way electromagnetic valve is arranged on a vacuum conveying pipe of the air source device, two air outlet ends of the two-position three-way electromagnetic valve are respectively connected with a first inflation inlet and a second inflation inlet through two branch pipes, a first air pressure sensor is arranged on the branch pipe connected with the first inflation inlet, a second air pressure sensor is arranged on the branch pipe connected with the second inflation inlet, a contact switch is arranged on the motion track of the movable inflation pressure plate, the air source device is connected with the double-acting air cylinder through an air cylinder pipeline, and the air cylinder pipeline is provided with the electromagnetic valve; the first air pressure sensor, the second air pressure sensor and the contact switch are used for acquiring signals and sending the signals to the circuit control unit, and the two-position three-way electromagnetic valve and the electromagnetic valve are used for executing control signals sent by the circuit control unit.

4. A fully automatic apparatus for inflating vacuum tyres, as claimed in claim 1 or 2, characterized in that: be equipped with the hang plate on the support frame, the high-end and the tire stopper of hang plate link up.

Technical Field

The invention belongs to the field of vacuum tire inflation, and particularly relates to full-automatic equipment for inflating a vacuum tire.

Background

The tire is a ground-rolling annular elastic rubber product mounted on various vehicles or machines, and is composed of a metal rim and a vacuum tire mounted on the metal rim.

The vacuum tire is assembled on a commercial vehicle, and is limited by the problems of extrusion deformation in the vacuum tire transportation process, deformation in the installation process and part consistency, so that the vacuum tire and the metal rim cannot be attached together after being assembled separately, and the vacuum tire and the metal rim cannot be inflated from an inflating valve to the inside. In the prior art, the problem is generally solved by using a 'burst inflation' device to inflate a part of air into the tire firstly, ensuring that the vacuum tire is completely attached to the metal rim and then the air is inflated inwards from an air valve, but the 'burst inflation' device is complicated to use and has serious noise pollution.

Therefore, a fully automatic apparatus for inflating a vacuum tire has been proposed.

Disclosure of Invention

The invention provides full-automatic equipment for inflating a vacuum tire, which solves the problem that the vacuum tire cannot be inflated due to deformation.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a give full automatic equipment of vacuum child gas charging, includes the support frame, its characterized in that: the supporting frame is provided with a tire positioning device, an inflating device and a control system, the tire positioning device is used for limiting a tire, the inflating device can axially clamp a vacuum tire, and the inflating device can sequentially perform explosion inflation and inflation operations on the vacuum tire through the control system; the inflation device comprises a fixed inflation pressure plate, a movable inflation pressure plate, a double-acting cylinder and an air source device, the fixed inflation pressure plate and the movable inflation pressure plate are symmetrically arranged, the fixed inflation pressure plate is fixedly connected with the support frame, a first inflation port and a second inflation port are arranged in the disc surface of the fixed inflation pressure plate, the first inflation port can inflate the disc cavity of the fixed inflation pressure plate, the second inflation port is connected with an air valve on a tire through an inflation tube, the movable inflation pressure plate moves relative to the fixed inflation pressure plate through the double-acting cylinder on the support frame, and the air source device can convey gas to the fixed inflation pressure plate and the double-acting cylinder.

The technical scheme is further limited, the tire positioning device is composed of a nylon wheel guide rail and a tire limiting block, the nylon wheel guide rail is fixed on the support frame, the tire limiting block is supported on the nylon wheel guide rail, and two positioning grooves are formed in the supporting surface of the tire limiting block; the structure is convenient for replacing the tire limiting block, so that the positioning mechanism is suitable for tires of various specifications, and the universality is strong.

The technical scheme is further limited, and the structure of the control system is as follows: a two-position three-way electromagnetic valve is arranged on a vacuum conveying pipe of the air source device, two air outlet ends of the two-position three-way electromagnetic valve are respectively connected with a first inflation inlet and a second inflation inlet through two branch pipes, a first air pressure sensor is arranged on the branch pipe connected with the first inflation inlet, a second air pressure sensor is arranged on the branch pipe connected with the second inflation inlet, a contact switch is arranged on the motion track of the movable inflation pressure plate, the air source device is connected with the double-acting air cylinder through an air cylinder pipeline, and the air cylinder pipeline is provided with the electromagnetic valve; the first air pressure sensor, the second air pressure sensor and the contact switch are used for acquiring signals and sending the signals to the circuit control unit, and the two-position three-way electromagnetic valve and the electromagnetic valve are used for executing control signals sent by the circuit control unit.

Further inject above-mentioned technical scheme, be equipped with the hang plate on the support frame, the high-end and the tire stopper of hang plate link up, are convenient for like this the tire roll into to the tire stopper on, the tire after also being convenient for aerify rolls out from the support frame.

Has the advantages that: the invention utilizes the existing 'explosion-inflation' principle in the industry, adopts an automatic inflation device to perform 'explosion-inflation' so as to restore the vacuum tire to the original shape, and then automatically inflates the tire; the invention can simplify the inflation process, improve the production efficiency and reduce the labor intensity.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the tire positioning device of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is a top view of fig. 3.

Fig. 5 is an electrical control diagram of the present invention.

Detailed Description

As shown in fig. 1, a full-automatic device for inflating a vacuum tire comprises a support frame 1, wherein a tire positioning device 2, an inflating device 3 and a control system 4 are arranged on the support frame, the tire positioning device is used for limiting a tire, the inflating device can axially clamp the vacuum tire, and the inflating device can sequentially perform explosion inflation and inflation operations on the vacuum tire through the control system;

as shown in fig. 2, the tire positioning device 2 is composed of a nylon wheel guide rail 201 and a tire limiting block 202, the nylon wheel guide rail is fixed on a support frame, the tire limiting block is supported on the nylon wheel guide rail, two positioning grooves 203 are arranged on the support surface of the tire limiting block, and the two positioning grooves are used for positioning tires with two diameters;

as shown in fig. 3 and 4, the inflation device 3 includes a fixed inflation platen 301, a movable inflation platen 302, a dual-acting cylinder 303, and an air source device 304, the fixed inflation platen and the movable inflation platen are symmetrically arranged, the fixed inflation platen is fixedly connected with the support frame, a first inflation inlet 305 and a second inflation inlet 306 are arranged on the disk surface of the fixed inflation platen, the first inflation inlet can inflate the disk cavity of the fixed inflation platen, the second inflation inlet is connected with the valve on the tire through an inflation tube 307, the movable inflation platen moves relative to the fixed inflation platen through the dual-acting cylinder on the support frame, the air source device can deliver air to the fixed inflation platen and the dual-acting cylinder, and the air source device is an air cylinder or an air compressor;

as shown in fig. 5, the control system 4 has a structure that: a vacuum conveying pipe of the air source device is provided with a two-position three-way electromagnetic valve 401, two air outlet ends of the two-position three-way electromagnetic valve are respectively connected with a first inflation inlet and a second inflation inlet through two branch pipes, a first air pressure sensor 402 is arranged on the branch pipe connected with the first inflation inlet, a second air pressure sensor 403 is arranged on the branch pipe connected with the second inflation inlet, a contact switch 404 is arranged on the motion track of the movable inflation pressure plate, the air source device is connected with an air inlet end and an air outlet end of a double-acting air cylinder through two air cylinder air pipes, and a first one-way electromagnetic valve 405 and a second one-way electromagnetic valve 406 are respectively arranged; the first air pressure sensor, the second air pressure sensor and the contact switch are used for acquiring signals and sending the signals to the circuit control unit 407, the two-position three-way electromagnetic valve, the first one-way electromagnetic valve and the second one-way electromagnetic valve are used for executing control signals sent by the circuit control unit, the circuit control unit is a PLC (programmable logic controller), and the control system is powered by the power supply 408;

as shown in figure 1, be equipped with the hang plate 5 on the support frame, the high-end and the tire stopper of hang plate link up, are convenient for like this the tire roll in to the tire stopper on, also are convenient for the inflated tire to roll out from the support frame.

The working principle is as follows: 1. a starting switch is pressed to trigger a first one-way electromagnetic valve, and the air cylinder slowly pushes tires on the movable inflation pressure plate and the tire limiting block to move towards the fixed inflation pressure plate until the tires are clamped, namely, the plate openings of the two inflation pressure plates can be attached to the side surfaces of the tires; the tire limiting block is supported on the nylon wheel guide rail in a rolling manner, so that the tire limiting block can move along with the movable inflating pressure plate;

2. when the movable inflatable pressure plate is positioned at the clamping position, the contact switch can be triggered, the two-position three-way electromagnetic valve is opened, the first inflation inlet inflates the disc cavity of the fixed inflatable pressure plate, and the deformed vacuum tire is subjected to 'explosion inflation', so that the vacuum tire is restored to the original shape;

3. when the first air pressure sensor reaches a specified pressure value, triggering a two-position three-way electromagnetic valve, closing a first inflation inlet, inflating a tire through a second inflation inlet through an inflation tube connected to a tire valve in advance, triggering a second one-way electromagnetic valve, and returning the air cylinder to an initial position;

4. and when the second air pressure sensor reaches a specified pressure value, the two-position three-way electromagnetic valve is closed, and the inflation is stopped.

The details which are not described in the present specification are conventional in the art.