JPS6211854Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a transfer pitch adjustment device.

For example, in a rolling facility for steel bars, strips, etc., when the material on the rake device, which is part of the cooling bed that cools the steel bars, is supplied to the downstream cold shear via a conveyor and traverser, A transfer pitch adjustment device is provided between the rake device and the conveyor, and by using this transfer pitch adjustment device and the intermittent operation of the conveyor, the transfer pitch for transferring material from the rake device to the conveyor is adjusted to the cold shear hole. I try to match the pitch of the blade. However, in the conventional transfer pitch adjustment device, a pair of lift levers are pivoted at a fixed point so that they can be raised and lowered freely, and each lift lever is actuated separately using an actuator such as air. Because the actuator operates unrelated to the transport operation, it is difficult to time the moving rake of the rake device and the lifting lever, making it difficult to carry out smooth, reliable, and accurate transfer. In addition, the lift levers operate alternately, and the first
The material placed in the first groove of the lift lever is rolled into the second groove when the second lift lever is lowered and transferred onto the conveyor, so there is no slippage between the material and the lift lever during this transfer. However, there was a problem of scratches occurring on the surface of the material.

The present invention was provided for the purpose of solving such conventional problems, and its features include a rake device 1 of a cooling bed for cooling long steel products 12, and a rake device 1 downstream thereof. In the transfer pitch adjustment device that is arranged between the side conveyor 3 and adjusts the transfer pitch when transferring the long steel products 12 on the rake device 1 to the conveyor 3, the long steel products 12 are placed at the upper end.
Transfer plate 14 formed with receiving groove 13 for receiving
A plurality of struts 17 are provided in the horizontal direction, and the lower end of each of the struts 17 is pivotally connected to each lever 21 of a line shaft 20 arranged in the horizontal direction,
Transfer plate 14 is connected to rake device 1 and conveyor 3
An actuator 23 is provided to reciprocate the line shaft 20 so as to move up and down relative to the line shaft 20, and the vertical midway portion of each support 17 and each lever 26 of the horizontal shaft 25 disposed below the rake device 1 are connected by rods. 24, and the rake device 1 and the conveyor 3 are connected in conjunction with the moving rake 6 of the rake device 1.
The support beam 7 of the movable rake 6 and the shaft 25 are interlocked and connected via a rod 28 so that the shaft 25 is rotated reciprocally in order to reciprocate the transfer plate 14 in the horizontal direction.

Hereinafter, the present invention will be described in detail with reference to the illustrated embodiment. As shown in FIG. 1, a rake device 1, which is one component of the cooling bed, a transfer pitch adjustment device 2, a conveyor 3, and a traverser 4 are arranged in series. A cold shear (not shown) is arranged downstream of the traverser 4. The rake device 1 is a fixed rake 5,
It is composed of a moving rake 6, a support beam 7 that supports the moving rake 6, an eccentric wheel 8 that causes the moving rake 6 to move circularly via the support beam 7, and a driving device 9 thereof. The fixed rake 5 and the movable rake 6 have V-shaped grooves 10 and 11 at the same pitch on their upper edges, and a material (object to be conveyed) 12 is placed in the grooves 10 and 11 in the lateral direction. There are two sets of eccentric wheels 8 in the conveying direction, and when each eccentric wheel 8 rotates once, the groove 11 of the moving rake 6 moves circularly with its eccentricity R as a radius, and by this succession, the material 12 is transferred one pitch at a time. transport. The relative level of the movable rake 6 to the fixed rake 5 is determined so that in the lower half of the circular motion of the groove 11, the movable rake 6 is below the groove 10 of the fixed rake 5, and in the upper half it is above the fixed rake 5. ing. The transfer pitch adjustment device 2 transfers the material 12 on the rake device 1 onto the conveyor 3, and is a transfer plate having one V-shaped receiving groove 13 formed at the upper end as shown in FIG. 14, interlocking means 15 for reciprocating the transfer plate 14 in the horizontal direction in conjunction with the moving rake 6 across the ends of the rake device 1 and the conveyor 3, and the transfer plate 14.
elevating means 16 for lifting and lowering the transfer plate 14 so as to receive the material 12 thereon onto the receiving groove 13 when it is on the rake device 1 side, and to place the material 12 thereon when it is on the conveyor 3 side; It consists of: A large number of transfer plates 14 are arranged at equal intervals in the lateral direction, and each of them is pivotally connected to the upper end of the support column 17 by a pin 18, and is supported by an adjustment rod 19 so as to be adjustable in angle. Each pillar 17
are pivotally connected at their lower ends to levers 21 fixedly mounted at equal intervals on a lateral line shaft 20, and the line shaft 20 is connected to an actuator 23 via a drive lever 22. Note that the elevating means 16 includes these line shaft 20 and lever 2.
1, 22, an actuator 23, etc., and the transfer plate 14 is raised and lowered by reciprocating the drive lever 22 by a certain angle by the actuator 23. A tie rod 24 is connected to the middle part of each support 17, and each tie rod 2
4 is connected to a lever 26 fixed to a common shaft 25 corresponding to each support beam 17, and the shaft 25 is connected to the support beam 7 via an interlocking lever 27 and tie rod 28 fixed in the opposite direction to the lever 26.
It is interlocked and connected to the bracket 29 of. These tie rods 24, 28, levers 26, 27, and shaft 25 constitute an interlocking means 15, and this interlocking means 15 transmits the substantially horizontal movement component of the movement of the moving rake 6 to the transfer plate 14, and the direction of the movement is It is designed to be converted and transmitted in the opposite direction to Rake 6. The transfer plate 14 is connected to these interlocking means 1.
5. By combining the horizontal movement by the lifting means 16 and the lifting movement, the material 12 sequentially conveyed on the rake device 1 by the moving rake 6 is received in the receiving groove 13 and transferred onto the conveyor 3. do. By selecting the connection position of the tie rod 24 to the support column 17, that is, the position of l ₁ :l ₂ of the total length from the upper end of the transfer plate 14 to the lower end of the support column 17, the amount of movement of the transfer plate 14 can be adjusted according to the movement rate. 6
The travel distance 2R can be increased to _twice (l ₁ +l ₂ )/l, and the rake can be sent to a position farther away from the groove pitch of the moving rake 6. The conveyor 3 consists of endless chains 31 with grooves 30 for receiving the materials 12, which are arranged at regular intervals following the rake device 1, and each chain 31 is supported from below on the conveying side by a rail 33 at the upper end of a column 32. At the same time, the arm 36 fixed to the chain wheels 34, 35 at both ends of the rail 33 and the support 32
It is hung across a chain wheel 37 at the tip and a driving chain wheel 39 on a line shaft 38, and is configured to be operated intermittently by a drive device 40 via the line shaft 38. The transfer pitch is adjusted by selecting the intermittent operation distance of the conveyor 3 to one to several pitches of the groove pitch, and the transfer interval of the material 12 on the conveyor 3 is adjusted according to the hole edge of the downstream cold shear. Match spacing. The traverser 4 includes a fork car 42 having a number of grooves 41 for receiving the material 12 and is movable back and forth along a rail 43. The fork car 42 is towed by a chain 48 that is hung from chain wheels 44 at both ends of the rail 43 and intermediate chain wheels 45, 46, 47, etc. The rail 43 is connected to rail frames 53 and 54 by lifting levers 51 and 52 that are fixed at equal intervals on a drive line shaft 49 and a driven line shaft 50.
The respective lifting levers 5 are connected to each other via pins.
1 and 52 are interconnected by a tie rod 55. The drive line shaft 49 is connected to the drive lever 5
6, and this drive lever 56 is pin-jointed to a drive actuator 57. Therefore, by reciprocating the drive lever 56 by a predetermined angle by the drive actuator 57, the rail 43 moves up and down via the line shafts 49, 50, the lift levers 51, 52, the tie rod 55, etc., and the conveyor 3 The upper material 12 is scooped up and transported by a fork car 42.

Next, the operation of transferring the material 12 from the rake device 1 to the conveyor 3 via the transfer pitch adjusting device 2 will be described with reference to FIG. 3A to 3D show one cycle of transfer operation. Third
Figure D shows the state when the eccentric point P of the moving rake 6 is at the position shown in the figure. At this time, the grooves 10 and 11 of the fixed rake 5 and the moving rake 6 completely overlap, and the terminal groove 11 of the moving rake 6 is fixed. Rake 5 terminal groove 10
It is located one pitch ahead of the Further, when the transfer plate 14 of the transfer pitch adjustment device 2 is in the raised state, it coincides with the terminal groove 11 of the moving rake 6.
That is, if the transfer plate 14 is raised at the same time as the terminal groove 11 of the moving rake 6 reaches the _X1 point,
The _V1 point and the _X1 point coincide, and the material 12 on the moving rake 6 is also supported by the transfer plate 14. Next, when the eccentric point P of the moving rake 6 advances to the position shown in FIG. 3A, the terminal groove 11 of the moving rake 6
It descends to point _X2 and advances to point _V2 with the transfer plate 14 still carrying the material 12. The grooves 11 of the moving rake 6 are now completely empty, and the material 12 is placed on the grooves 10 of the fixed rake 5. After that, when the eccentric point P of the moving rake 6 advances to the position shown in FIG. 3B,
The groove 11 of the moving rake 6 overlaps the groove 10 of the fixed rake 5 again. Further, the transfer plate 14 moves forward to the frontmost end, but begins to descend from the frontmost position and reaches the level of the conveyor 3 at an intermediate point, and the receiving groove 13 of the transfer plate 14 reaches the _V3 point and the groove 30 of the conveyor 3
, the material 12 is placed on the conveyor 3 and the transfer plate 14 is further lowered. When the eccentric point P of the moving rake 6 advances to the position shown in FIG. 3C, the moving rake 6 has scooped up all the material 12 on the fixed rake 5 and its end groove 11 has reached the uppermost point _X4 . Also, at this time, the receiving groove 1 of the transfer plate 14
3 is at the lowest end _V4 , so that the material 12 on the conveyor 3 can be conveyed forward by one to several pitches by means of intermittent movements. When the eccentric point P rotates further and reaches D in FIG. 3, one cycle of transfer operation is completed, and the same operation is repeated thereafter.

FIG. 4 shows the detailed movement of the groove 11 of the moving rake 6 and the receiving groove 13 of the transfer plate 14 as the operation progresses from C to A in FIG. Circular motion locus of the lower end of the groove 11, b is the receiving groove 1
3. The ascending trajectory at the lower end, c indicates its descending trajectory, and the numbers displayed in small numbers in the figure indicate their corresponding positional relationships.

As described in detail in the embodiments above, in the present invention, by reciprocating the line shaft 20 using the actuator 23, the transfer plate 14 at the upper end of the support column 17 is moved up and down with respect to the rake device 1 and the conveyor 3. On the other hand, in conjunction with the moving rake 6 of the rake device 1, the transfer plate 14 is reciprocated in the horizontal direction between the rake device 1 and the conveyor 3. The timing of the plates 14 can be easily determined, and the operation when transferring the steel bars 12 from the rake device 1 to the conveyor 3 becomes smooth. Also, pillar 17
The lower end is swingably supported on the lever 21 of the line shaft 20, and the rod 24 for interlocking with the movable rake 6 is connected to the upper and lower midpoints of the support 17, so that the horizontal direction of the movable rake 6 is The amount of movement of the transfer plate 14 can be large compared to the amount of movement of The steel bars 12 can be reliably transferred one by one to a separate conveyor 3, and the distance between the rake device 1 and the conveyor 3 can be secured to prevent mutual interference. Furthermore, since the steel bars 12 are received and transferred in the receiving groove 13 of the transfer plate 14, there is no occurrence of scratches or the like during transfer. Further, there are a plurality of columns 17 equipped with transfer plates 14 in the horizontal direction, and the lower ends of the columns 17 are pivoted to each lever 21 of a horizontal line shaft 20 provided below the conveyor 3, and an actuator 23 is used to move the line. Since the shaft 20 is moved up and down by reciprocating, it goes without saying that each transfer plate 14 can be moved up and down synchronously, and each transfer plate 14 is provided with an actuator 23. The structure can be made very simple compared to other products. In addition, the upper and lower midpoints of each support column 17 and each lever 26 of a horizontal shaft 25 arranged below the rake device 1 are connected by a rod 24, and this shaft 25 and the support beam 7 of the movable rake 6 are connected by a rod 28. Since the moving rake 6 and each supporting column 17 are connected to each other and the interlocking mechanism is provided on the lower side, the rake device 1 and the conveyor 3 are The structure of the upper part between the two is simplified, and the mutual design of each device can be easily carried out.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is an overall sectional view, Fig. 2 is an enlarged view of the transfer pitch adjustment device, Fig. 3 A to D are explanatory diagrams of transfer operation, and Fig. 4 is an illustration of the transfer operation. It is a detailed explanatory diagram of the transfer situation. 1... Rake device, 2... Transfer pitch adjustment device, 3... Conveyor, 5... Fixed rake, 6...
Moving rake, 12...Material (object to be transported), 13...
...Receiving groove, 14...Transfer plate, 15...Interlocking means, 16...Elevating means.

Claims (1)

[Scope of utility model registration request] It is arranged between the rake device 1 of the cooling bed that cools the long steel products 12 and the conveyor 3 on the downstream side thereof, and adjusts the transfer pitch when the long steel products 12 on the rake device 1 are transferred to the conveyor 3. In this transfer pitch adjustment device, a plurality of columns 17 each having a transfer plate 14 formed with a receiving groove 13 for receiving a steel bar 12 at the upper end are provided in the horizontal direction, and the lower end of each column 17 is arranged in the horizontal direction. An actuator 23 is provided, which is pivotally connected to each lever 21 of the line shaft 20 and rotates the line shaft 20 back and forth so that the transfer plate 14 moves up and down with respect to the rake device 1 and the conveyor 3, The upper and lower midpoints of each support 17 and the levers 26 of a horizontal shaft 25 disposed below the rake device 1 are connected via rods 24, and the rake device The support beam 7 of the moving rake 6 and the shaft 25 are interlocked and connected via a rod 28 so that the shaft 25 is reciprocally rotated so that the transfer plate 14 reciprocates in the horizontal direction between the transfer plate 14 and the conveyor 3. A transfer pitch adjustment device characterized by: