SU1093376A1 - Rolled stock conveying device - Google Patents

Abstract

A TRANSPORTATION DEVICE FOR HIRE, containing a discharge roller table, a rack located behind the roller table, and a chain conveyor with a two-position crank-connecting rod mechanism for lifting chains them in a single-layer package without the use of a special mechanism and thereby reducing the total metal consumption; the lifting mechanism of the chain tracks is equipped with a number of pushing levers, contacting and with rental: part of each of which is located below the level of the raised chains and at the top level of the rack.

Description

WITH

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O5 The invention relates to equipment for rolling mills and can be used to move long products with its division into two streams, for example, on inspection racks of sheet and grade mills. Devices are known that contain a multi-track conveyor and a pocket and are designed to transfer rolling profiles from the inlet roller table to the pocket. The conveyor consists of a series of threads of traction chains with a common drive from sprockets sitting on the transmission shaft. The upper branches of chain sprockets are moving along stationary tracks between longitudinal fixed rails. Chains are equipped with grippers, with the help of which the rolling is moved, slipping along the rail itself, into the pocket Cl 3. A disadvantage of such devices is the friction of the rolled metal on the rails which causes the formation of surface defects (scratches, rubbers, etc.) on the finished steel. In addition, the conveyor unloading takes place in one stream, namely the end unloading into the pocket, which eliminates the possibility of separating rolled into suitable and defective. It is also known a device comprising a chain conveyor and an outlet roller conveyor and intended to transfer rolled products from the lines supplying the role of gangs to the line of the outlet roller table C23. The construction of the conveyor is similar to the construction of the conveyor indicated above, but the grippers while moving the chains, pushing the rolling along the fixed beams, push it onto the roller conveyor. The disadvantages of such a device are the same, in addition, the unloading of rolled products, carried out by the roller table, forms a side stream. The closest to the technical essence of the invention is a device for transporting rolled products, containing a discharge roller table, a rack, located behind the role of a gang, and a chain conveyor with a two-position crank-connecting rod mechanism for lifting chains. Due to the fact that the rolling is carried by chains, the formation of defects on the surface of the rolling stock in this device is excluded. A disadvantage of the known device is the inability to divide the car into two streams directly during unloading of the conveyor, which is necessary, for example, on the inspection racks when rolling the car. For this purpose, such devices are usually supplied with additional mechanisms (for example, colliders, slippers, chain conveyors etc.), built into the outlet roller conveyor, either in the zone of the unloaded conveyor or outside it, which entails an increase in the metal intensity of the equipment , energy intensity, complexity and increase in the cost of the foundation, etc. The aim of the invention is to separate from the flow of the rolled stock, for example. rejects, bathrooms, bands, followed by their collection in a single-layer package without the use of a special mechanism, thereby reducing the overall metal consumption. This goal is achieved by the fact that in the device for transporting rolled products containing an outlet roller table, a rack located behind the roller table, and a chain conveyor with a two-position crank-connecting rod mechanism for lifting chain tracks, the mechanism for lifting chain tracks is equipped with a number of rental-pushing levers, and a contact with rental part of each of which is located below the level of the raised chains and higher levels of the rack. The supply of the mechanism for lifting the walkways of chains to several rolling pushers allows, when lowering the passages, to push individual rental strips from the conveyor chains along a fixed rack in the press, perpendicular to the roller-board axis, Consequently, the separation of the rolled products and the two streams, for example, on suitable (roller) and rejected (on the rack for the roller table) rental. FIG. 1 shows a device with a general plan view; in fig. 2 shows a section -A in FIG. 1 (the position of the device during the transfer of rental chains of the conveyor to the zone of the roller table); in fig. 3 node 1 in FIG. 2 (the position of the device when lowering the rental to the outlet (the live roller conveyor); in Fig. 4 - the node J in Fig. 2 (the position of the device during the transfer of rental by the chains behind the roller conveyor) in Fig. 5 - the node in Fig. 2 Fig. 6 shows a second embodiment of the connection of the pushing levers with the mechanism for lifting the chains in the elevated position; Fig. 7 - the same in the position of the lowered tracks. The device consists of the outlet roller table 1, box 2 and transport pa, containing a number of threads of t-carrying chains 3, transmission drive sprockets 4 with drive 5, idle sprockets 6, stationary 7 and, lifting 8 tracks and lifting mechanism 9 of the tracks of the chains 10. The drive lifting mechanism transmission is equipped with the house of pushing levers 11 is rigidly mounted on its rolls, with the transmission with the indicated levers located behind the roller table area. One end of the lifting tracks is pivotally connected to the stationary tracks with the possibility of swinging in a vertical plane, and the other - through the rods and levers with the transmission of the chain-raising mechanism of the chains paths. In general, the lifting tracks and the mechanism for their lifting are a four-link mechanism. When the transmission of the lifting mechanism is rotated at a certain angle, the lifting lanes rotate from the initial extreme upper position to the lowest lower inclined position. The level of the chains on the stationary and raised walkways is above the level of the roller table, and the level of the chains on the lowered walkways below the level of the roller table. Transporter chains in the area of its stationary tracks can be used, for example, as an inspection rack. The working surface d of the pushing levers 11 and the level of the rack 2 (Fig. 2 and 4) in the position of the elevated lifting tracks are located below. level chains and do not prevent the movement of rolled 12 above the levers and racks. The design of the coupling of the pushing levers with the mechanism for lifting the chain lanes, made in the form of a hard fit on the transmission shafts, is the simplest and least metal consuming. However, due to the equipment layout conditions, for example, when the transmission of the chain-raising mechanism is located directly under the roller table, a different version is possible. Namely (Fig. 6), the pivot axes of the pushing levers have their supports mounted on the foundation, and the push levers 11 themselves through the hooks 13 are pivotally connected to the levers 14 rigidly mounted on the transmission shafts of the mechanism 9 for lifting the chain tracks. The device works as follows. The rental 12 is located on the conveyor chains parallel to the axis of the outgoing roller table. The mode of operation of the device is intermittent. For each activation of the actuator 5 of the conveyor, the chains 3 move the rolling 12 by a certain pitch, with the rental strips lying on the chains in increments of. equal to the transport step, alternately transferred to the outgoing roller table 1. When the chains are moved, the lifting tracks 8 are in the raised position, and the pushing levers 11 are in the left position recessed below the level of the chains (Fig. 2). The unloading of the rental strips from the conveyor chains is carried out along one of two possible flows: either to the outgoing roller conveyor 1 (suitable rental) or to the rack 2 (defective rental). When the car is unloaded onto the roller conveyor by turning on the drive 10, the lifting tracks are lowered into their lower position and the car rolling, which is on the conveyor chains above the roller conveyor, is laid on the roller conveyor (Fig. 3). Then the roll table is turned on and rolled out from the conveyor zone. As soon as the rental, transported by the roller table, leaves the conveyor zone, the tracks are lifted to their upper position, and the next strip of the rental (Fig. 2) is moved by switching on the drive of 5 chains to the roller table. By unloading individual (rejected) rental strips on the rack 2 in the position of the raised tracks, an additional transfer of a separate strip by one step of the conveyor for the outgoing roller table to the rack area 2 and to the operation zone of the pushing levers t1 (Fig. 4) is performed, at the same time The subsequent rolling strip is transferred to the zone of the roller table 1. Turning on the drive 10, the lifting tracks 8 are lowered and the pushing levers 11f are rotated while a separate (defective) rolling strip is located in the operating zone of the pushing levers, at the initial moment Scanning tracks are laid on rack 2, and upon further lowering, the dorswax contact 6 with its levers and sliding them along the rack 2 by moving them out of the conveyor soMit chains. If there are already previously laid lanes on the ladder, all of them are pushed by the pushing levers 11 along the rack 2 at the same time as the stripe again arriving at the rack, a set of rolled products occurs in a single-layer package (Fig. 5). By the subsequent raising of the tracks 8 to the upper position, the pushing levers 11 return to the left initial position. Simultaneously with the lowering of a separate strip on the rack 2, the next strip is placed on the roller table 1. If this band needs to be taken off by a roller table, then the roller table will be turned on, and the tracks will be lifted after it leaves the conveyor zone; if this strip should be removed on a rack, then the roller table will not be inserted, and by subsequent lifting of the tracks and moving the chains of the conveyor belt it will go to rack zone 2. The one-time economic effect from the use of the proposed device is 42042 rubles. In addition, maintenance costs are reduced and the foundation is simplified.

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Claims (1)

ROLLING TRANSPORT UNIT DEVICE, containing a discharge roller table, a rack located behind the roller table, and a chain conveyor with a two-position crank-crank mechanism for lifting chain tracks, characterized in that, for the purpose of isolating individual, for example, defective, strips from the stream of transported rolled metal with their subsequent set in a single-layer package without the use of a special mechanism and thereby reducing the total metal content of the bone, the chain track lifting mechanism is equipped with a number of rolling pushing levers in contact with part of each of which is located below the level of the raised chains and the upper level of the rack. >