码垛系统用自动供托盘装置技术领域本实用新型涉及一种用于货物自动吊装的码垛系统用自动供托盘装置。 Palletizing systems for automatic tray TECHNICAL FIELD The present invention relates to a method for hoisting cargo automatic palletizing system for automatic pallet. 背景技术在码头、仓库、生产线进行货物、工件自动吊装时，其码垛系统中要用到托盘，而托盘则需要按设定程序自动提供。 BACKGROUND ART In docks, warehouses, production lines of goods, an automatic lifting the workpiece, which system to use stacking tray, and the tray is automatically set by the need to provide. 以往的供托盘装置釆用液压、电动驱动加上丝杆传动、齿轮传动、链传动和齿轮齿条传动等机构进行托盘的提升或下降，釆用气缸驱动的转动式插销对托盘抬高后的停留位置进行限位，以上驱动装置结构较复杂，安装维护不便，投入费用高，而且液压装置难免有污染，电动装置频繁起动时耗能高，转动式插销有时会卡死，灵活可靠性欠佳。 For conventional pallet preclude the use of hydraulic, electric screw drive together with the drive, gear drive, chain drive and a rack and pinion mechanism and the like for lifting or lowering the tray, preclude the use of the rotary cylinder drive pin tray elevation post dwell position limit, drive more complicated structure, installation and maintenance inconvenience, high input costs, and hydraulic devices is inevitable that pollution, the electric device frequent starting high energy consumption, the rotary latch stuck sometimes, poor reliability, flexibility . 实用新型内容本实用新型要解决的技术问题是克服现有供托盘装置的不足之处， 提供一种结构简单、安装维护方便、投入少，而且有利于环保节能、使用灵活可靠的码垛系统用自动供托盘装置。 SUMMARY of the present invention to solve the technical problem is to overcome the shortcomings of existing supply tray device provides a simple structure, easy installation and maintenance, less investment, energy-saving and environmentally friendly, flexible and reliable stacking systems means for automatic tray. 本实用新型的技术方案是：码垛系统用自动供托盘装置包括托盘库、 升降机构、插销定位机构和控制部分，改进之处是所述升降机构由设在托盘库底部的1 ~ 4只双行程气缸及升降导向机构构成，所述插销定位机构由设在托盘库对称侧面上的多只水平状插销和驱动气缸构成，各插销中心线位于同一水平面内，上述双行程气缸和驱动气缸与所述控制部分相连接。 Aspect of the present invention are: the automatic system for palletizing tray means comprises a tray library, elevating mechanism, the latch mechanism and the positioning control section, the improvement of the lifting mechanism is composed of 1 to 4 provided at the bottom of the tray magazine bis and lifting stroke cylinder mechanism constituting the guide, said positioning means by a latch disposed on a side of the tray magazine symmetric multi only horizontally driving cylinder and plug configuration, each of the bolt center line the same horizontal plane, the two-stroke cylinder and the drive cylinder and said control section is connected. 进一步的方案是：所述双行程气缸是具有两种行程的单个气缸或者是由两个单行程气缸串联而成的组合气缸；所述水平状插销为3~4只，插销一端与驱动气缸连接处有径向间隙。 A further embodiment is: the double stroke cylinder is a single cylinder with two stroke or a single series of two-stroke cylinder formed by a combination of a cylinder; the plug horizontally from 3 to 4, the latch end is connected to the drive cylinder the radial clearance. 本实用新型的供托盘装置釆用双行程气缸在升降导轨的导向下，实现托盘的升降，根据托盘规格和重量的不同可釆用一只或多只双行程气缸，整个装置只用气动驱动机构，结构简单，便于安装维护，投入少，运行中避免液压驱动中的油污染和电动驱动中频繁起动时的多耗能，符合节能环保要求。 For the present invention preclude the use of pallet double stroke cylinder at the elevating guide rails, raising and lowering the tray, depending on the size and weight of the pallets can preclude the use of only one or more double stroke cylinder, the entire device using only pneumatic drive simple structure, easy installation and maintenance, less investment, energy consumption during operation to avoid multiple driving hydraulic oil contamination and frequent start motor drive, energy saving and environment requirements. 同时水平状插销作直线运动，其端部连接处有径向间隙，避免连接处产生弯曲力矩，不会卡死，动作灵活可靠。 While linear movement of the pin horizontally, at its ends with a radial gap, to avoid bending moments at the connection, not stuck, flexible and reliable. 插销最好为4只对称安装，也可一侧装两只，相对侧装一只，各插销中心线等高， 保证受力均衡，托盘平稳。 Pin 4 is preferably symmetrically arranged, two may be installed side opposite a side-mounted, the center line of each pin high, the force balance to ensure smooth tray. 附图说明附图为本实用新型结构示意图。 BRIEF DESCRIPTION OF novel practical structural diagram of the present drawings. 具体实施方式下面通过实施例进一步说明本实用新型结构特征及工作过程。 DETAILED DESCRIPTION The following further illustrate the present invention by the structure and working process of the embodiment. 参见附图，托盘库5为一矩形框架，内置托盘组6，托盘从矩形框架上方装入，通过斜形导向，使托盘组叠放整齐，托盘组从下往上各个托盘依次定为Pl、 P2、 P3……。 Referring to the drawings, a pallet magazine 5 is a rectangular frame built pallet 6 group, a tray loaded from the top of the rectangular frame, the oblique guide, the tray neatly stacked group, the group of trays each tray in turn from the bottom up as Pl, P2, P3 ....... 托盘库底部设有2只对称分布的双行程气缸1,每只双行程气缸1是由两个单行程气缸1-1和1-2串联而成的组合气缸，气缸侧面有升降导向机构2,托盘库的一组对称侧面上各设2 只水平状插销3及相配的驱动气缸4,各插销中心线位于同一水平面内， 插销一端与气缸连接处有径向间隙，上述双行程气缸和驱动气缸由控制部分进行程序控制。 The bottom of the tray magazine is provided with two pairs of symmetrically distributed stroke cylinder 1, each double stroke cylinder 1 is connected in series by a single two-stroke cylinder 1-1 and 1-2 obtained by a combination of a cylinder, the cylinder elevating guide mechanism 2 side, each set of symmetrically disposed on a side surface of the tray magazine 2 and 3 horizontally mating pin driving cylinder 4, the center line of each pin located in the same horizontal plane, the latch end of the cylinder is connected with a radial clearance, the two-stroke cylinder and the drive cylinder program control by the control section. 本实施的供托盘装置在初始状态时，插销退出，气缸ll和l-2均处于缩入状态，所有托盘支承在输送装置7上。 Supply pallet according to the present embodiment in the initial state, the exit plug, the cylinder ll l-2, and are in a retracted state, all trays supported on the conveying device 7. 工作过程是：第一步， 实现托盘P1的分离和送出。 Work process: first, to achieve the separation tray P1 and sent. 先使气缸1-2伸出，将托盘组顶起，让插销插入托盘P2的空隙处，再缩回气缸l-2，将托盘Pl放在输送装置上， 其余托盘被插销托住，此时P1顺利送走；第二步，实现托盘P2的分离和送出。 1-2 extending to the cylinder, the group from the top tray, tray so that plug is inserted into the gap at P2, and then retracting the cylinder l-2, Pl on the tray conveying means, the latch hold the remaining trays are, at this time P1 smoothly away; a second step of separation of pallets P2 and out. 先使气缸ll和1-2同时伸出，将托盘组顶起，让托盘P2高出插销，退出插销，再缩回气缸ll,让插销插入托盘P3的空隙处，再缩合气缸1-2，将托盘P2放到输送装置上并顺利送走。 First while the cylinder ll and 1-2 protrude from the top of the tray set, so that P2 higher than the tray latch bolt exit, and then retracts the cylinder ll, so that the gap at the plug is inserted into the pallet P3, and then condensation of the cylinder 1-2, P2 placed on the tray conveying means and passed away. 重复第二步的动作， 就可将托盘库中的托盘一一送走。 Repeat the second step, the tray can be a library of eleven tray away. 以上工作过程，每一动作到位后，由传感器送出信号，再由控制部分按设定程序控制该装置自动进行。 Above working process, after each operation in place, a signal is sent by the sensor, then according to set procedures by the control section controls the automatic apparatus.