JP3192441U - Powder supply equipment for continuous casting equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a powder supply device of a continuous casting facility capable of supplying powder required for a plurality of molds with one powder supply device and efficiently supplying powder to a mold without impairing the workability of an operator. .. SOLUTION: A multi-function robot 20 and a subdivision hopper 21 are mounted on a trolley 16 traveling on rails 14 and 15, and powder is supplied from a relay hopper 22 arranged at a predetermined position to the subdivision hopper 21 to provide multi-function. The powder transporter 19 operated by the robot 20 transports powder from the subdivision hopper 21 to, for example, the mold 11. Then, when the powder is supplied to the mold 11, the trolley 16 is fixed to the rails 14 and 15 by using the clamp means 28 and 30 in order to prevent the trolley 16 from tipping over. [Selection diagram] Fig. 1

Description

The present invention relates to a powder supply apparatus that is attached to a continuous casting facility that efficiently supplies powder to a continuous casting facility having a plurality of strands without deteriorating the working environment of an operator who operates the continuous casting facility.

As an apparatus for supplying powder to a conventional continuous casting mold (hereinafter simply referred to as “mold”), for example, in Patent Document 1, a supply apparatus having one horizontal turning function for one mold is used as a carriage. A casting powder supply device that is mounted and moves the carriage forward and backward relative to the mold is disclosed. Patent Document 2 discloses an apparatus that installs a multifunctional robot having a pivoting arm on the ground side and supplies powder to a mold.

JP-A-8-164456 Special table 2008-543574 gazette

However, in the apparatus described in Patent Document 1, one supply device is required for one mold, and in a continuous casting facility having a plurality of strands, a plurality of supply devices are required, which increases capital investment costs. There was a problem. In addition, there is a problem that these supply devices impede the operator's workability during preparatory work before and after casting or in an emergency such as when trouble occurs.

Further, since the apparatus of Patent Document 2 is fixed on the ground, there is a problem that the movable range is narrow, and powder can be supplied only to one mold and at most two molds with one supply device. Further, since the apparatus is fixed on the ground, even when powder supply is not performed, there is a problem in that the powder supply apparatus exists in the casting work area where the operator performs work, which adversely affects the work of the operator.

The present invention has been made in view of such circumstances, and is a powder supply device that supplies powder to each mold of a continuous casting facility having a plurality of strands, and the powder necessary for each mold is supplied by one powder supply device. An object of the present invention is to provide a powder supply device of a continuous casting facility that can supply powder and efficiently supplies powder to a mold without impeding the operator's workability.

A powder supply device for a continuous casting facility according to the present invention that meets the above object is a powder supply device for a continuous casting facility that supplies powder to each mold of a continuous casting facility having at least two strands,
1) a carriage that runs on rails arranged along a line of the molds;
2) A multi-function robot which is disposed on the carriage and has a connected front arm and a base arm, and which can control the position, inclination angle and turning angle of the powder conveying tool attached to the front portion of the front arm. When,
3) a subdivision hopper disposed in a position different from the multifunction robot of the cart; and 4) a fixedly arranged relay hopper that supplies the powder to the subdivision hopper when the cart is in a predetermined position;
5) A powder storage unit provided with a plurality of storage hoppers arranged at different positions from the relay hopper and each having a cutting means at the bottom,
6) Powder transporting means for transporting the powder cut from one or more of the plurality of storage hoppers to the relay hopper;
7) a clamp mechanism for fixing the carriage to the rail at a position where the powder is supplied to the specific mold by the powder carrier;
The cart is stopped at a specific position on the rail, the cart is fixed to the rail with the clamp mechanism, the multifunction robot is controlled, and a predetermined amount previously received from the subdivision hopper by the powder carrier The powder is supplied to the mold.

Moreover, in the powder supply apparatus of the continuous casting equipment according to the present invention, the clamp mechanism is provided on both sides of the carriage, and a tip portion can be fitted in a through hole provided in the center in the height direction of the rail. It is preferable to have a latching claw, and a drive cylinder that latches the latching claw in the through hole and releases the latching claw from the through hole.

In the powder supply apparatus of the continuous casting equipment according to the present invention, the powder carrier is composed of a container with a handle provided at the tip of the front arm, and the powder is put into the container with the handle from the subdividing hopper. It is preferable that the operation to be put into the mold is performed by the multifunction robot.

And in the powder supply apparatus of the continuous casting equipment according to the present invention, the multi-function robot is provided on a swivel that can be swiveled around a vertical axis with respect to a base, and can be tilted on the swivel. Further, the base arm, the front arm provided to tilt and rotate at the tip of the base arm, and a mounting block provided to swing and rotate at the tip of the tip arm. It is preferable that the powder conveying tool is fixed to the mounting block.

The powder supply device for continuous casting equipment according to the present invention (hereinafter sometimes simply referred to as “powder supply device”) can supply powder to two or more molds with a single powder supply device, thus reducing capital investment. it can.
Further, when this powder supply device is not used, the carriage can be moved to avoid the operator's work area, and the work path required for casting work preparation (for example, dummy bar insertion, sealing work). The trouble to the tool storage can be reduced or eliminated.

Further, since the cart is equipped with a subdivision hopper, powder can be supplied to a plurality of molds in a short time. Moreover, since the subdivision hopper has a small capacity so that it can be mounted at a position different from the multi-function robot of the cart, the cart mounting portion of the powder supply device can be made compact.

In addition, when a sub-hopper is mounted on a carriage, a part of the sub-hopper may protrude to the multi-function robot for convenience of layout, but by using a 6-axis robot for the multi-function robot, It is possible to adjust the balance of the center of gravity of the carriage and the carriage mounting portion by controlling the side arm and the front arm.

The carriage is equipped with a clamp mechanism that fixes the carriage to the rail at the position where powder is supplied to the mold by the powder carrier, so that the carriage is firmly fixed to the rail (ie, the ground side) when supplying powder. And there is no risk of the powder feeder falling over. That is, even when the arm of the multi-function robot is extended and the center of gravity of the powder supply device is outside the rail, the cart is clamped on the rail, so that the powder supply operation can be performed at high speed without fear of falling. Therefore, it is not necessary to use a remarkably wide rail, and the operator's workability is not hindered.

It is a front view of the powder supply apparatus of the continuous casting equipment which concerns on one embodiment of this invention. It is a top view of the powder supply apparatus of the continuous casting equipment. It is a front view which shows the bogie periphery of the powder supply apparatus of the same continuous casting installation. It is a side view which shows the bogie periphery of the powder supply apparatus of the same continuous casting installation. It is explanatory drawing of the clamp mechanism of the powder supply apparatus of the continuous casting equipment.

Next, embodiments of the present invention will be described with reference to the accompanying drawings. As shown in FIGS. 1-5, the powder supply apparatus 10 of the continuous casting equipment which concerns on one embodiment of this invention was arrange | positioned along the sequence of the molds 11-13 of the continuous casting equipment which has at least 2 strand. An example of a powder carrier having a cart 16 traveling on the rails 14 and 15, a front arm 17 and a base arm 18 disposed on and connected to the cart 16, and attached to the front portion of the front arm 17. The multi-function robot 20 capable of controlling the position, tilt angle and turning angle of the handle-equipped container 19, the subdivided hopper 21 of the cart 16, which is arranged at a position different from the multi-function robot 20, and the cart 16 at a predetermined position. In some cases, the relay hopper 22 that is fixedly arranged to supply powder to the subdivision hopper 21 and the relay hopper 22 are arranged at different positions, and the cutting means 2 is provided at the bottom. A powder storage 25 having a plurality of storage hoppers 24, a powder transporting means 26 for transporting powder cut from one or more of the plurality of storage hoppers 24 to the relay hopper 22, and a handle-equipped container 19. Clamp mechanisms 28 to 31 for fixing the carriage 16 to the rails 14 and 15 are provided at positions where the powder is supplied to the molds 11 to 13. These will be described in detail below.

The carriage 16 has a pair of left and right drive wheels 32 and driven wheels 33 that run on the rails 14 and 15, and the drive wheels 32 are driven by a motor 34 with a speed reducer. The carriage 16 is provided with a positioning sensor (not shown) so that it can be stopped at a position corresponding to the molds 11 to 13. In addition, a positioning sensor is not provided but the motor 34 with a reduction gear can be stopped at a predetermined position (specific position) by using a servo motor.

As shown in FIGS. 2 and 5, clamp mechanisms 28 to 31 for fixing the carriage 16 to the rails 14 and 15 at predetermined positions are provided on both sides of the carriage 16. The clamp mechanisms 28 and 29 and the clamp mechanisms 30 and 31 are paired to the left and right to fix the carriage 16 so as to hold the rails 14 and 15 from both sides. The clamp mechanisms 28 to 30 are respectively provided at an intermediate trunnion type hydraulic cylinder (an example of a drive cylinder) 35 and a rod side tip of the hydraulic cylinder 35 and are attached to the carriage 16 via an attachment member 36. And have. In FIG. 5, 39 indicates a road bed, and 40 indicates a hydraulic unit that supplies oil to the hydraulic cylinder 35.

Through holes (notches) 41 and 42 are provided in the central column portion (the center in the height direction of the web) at predetermined positions of the rails 14 and 15, and the hydraulic cylinder 35 is extended with the carriage 16 stopped at the predetermined position. Accordingly, the front side of the latching claw 37 is fitted into the through holes 41 and 42, and the carriage 16 is fixed to the rails 14 and 15. Further, the hydraulic cylinder 35 is contracted to release the latching claw 37 from the through holes 41 and 42.

As shown in FIG. 3, the multi-function robot 20 mounted on one side of the carriage 16 is a well-known 6-axis robot and is centered on a vertical axis with respect to a base 16a fixed to the carriage 16. A swivel base 43 provided so as to be capable of swiveling, a base arm 18 provided so as to be able to tilt on the swivel base 43, and a front arm 17 provided so as to be tiltable and axially rotatable at a tip portion of the base arm 18. And a mounting block 46 provided at the front portion of the front arm 17 so as to be able to swing and rotate.

A handle container 19 is attached to the front side of the attachment block 46. The container 19 with a handle has a bowl-like shape having a bottomed cylindrical receiver 48 and a handle 49 provided on one side of the receiver 48, and the base of the handle 49 is fixed to the mounting block 46. Yes. Therefore, the receiving tool 48 of the handle-equipped container 19 can be freely moved within the operating range of the base arm 18 and the front arm 17, and the receiving tool 48 is rotated so that the powder charged in the mold 11 is molded. ~ 13. Naturally, each of the molds 11 to 13 is within the work range of the multi-function robot 20 mounted on the carriage 16 stopped at a predetermined position.

As shown in FIG. 3, a subdivision hopper 21 is arranged on the other side of the carriage 16 (a position different from the multi-function robot 20). This subdividing hopper 21 is for supplying a predetermined amount of powder to the receptacle 48 of the handle-equipped container 19, and has a support base 51 fixed to the carriage 16 and an entrance on the upper part supported by the support base 51. A small-volume powder container 52, a rotary valve 53 which is an example of a cut-off valve provided at the bottom of the small-volume powder container 52, and a guide member (small hopper) 54 provided immediately below the rotary valve 53. doing.

As shown in FIGS. 1 and 2, a powder reservoir 25 is provided on one side of the rails 14 and 15, and a relay hopper 22 is provided on the other side. In the powder storage 25, four (a plurality of examples) storage hoppers 24 are provided via a support pedestal 57, and a rotary valve constituting the cutting-out means 23 is provided at the bottom of each storage hopper 24. The cutting means 23 is integrated at the lower side to supply powder to a tank 58 constituting the powder transport means 26. Below the tank 58 is provided an unillustrated ejector for sending powder into the pipe 59 using compressed air. The powder storage 25 has a plurality of storage hoppers 24 because different powders are put in the respective storage hoppers 24 and the rotary valves are cut into predetermined ratios to supply the blended powder to the tank 58 below. It is.

The powder conveyed through the pipe 59 is sent to the relay hopper 22 where the powder is separated from the air by the same principle as the bag filter, and the powder (powder) is placed in the upper region of the rotary valve 22a. Accumulate. In FIG. 1, 61 denotes a tundish, 62 to 64 denote immersion nozzles, and 65 to 67 denote fences for preventing the operator from falling.

Then, the usage method and the effect | action of the powder supply apparatus 10 of a continuous casting installation are demonstrated.
Predetermined powder is put in each storage hopper 24 of the powder storage 25, the bottom cut-out means 23 is opened, the powder is stored in the tank 58, and conveyed to the relay hopper 22 through the pipe 59 using the powder transport means 26. Then, primary storage is performed in the relay hopper 22.

Next, the carriage 16 is moved so that the axis of the subdividing hopper 21 mounted on the carriage 16 coincides with the axis of the relay hopper 22. The inlet diameter of the subdividing hopper 21 is larger than the discharge diameter of the relay hopper 22, and the powder discharged from the relay hopper 22 is put into the subdividing hopper 21. At this position, a predetermined amount of powder is transferred from the relay hopper 22 to the subdivision hopper 21.

Next, the carriage 16 is caused to travel, and the carriage 16 is stopped at the position of any one of the molds 11 to 13 (hereinafter, represented by “mold 11”) where powder is to be poured. This position is determined or programmed in advance by a limit switch. The carriage 16 is fixed to the rails 14 and 15 by clamp mechanisms 28 to 31.
At this time point or the previous time point, a single dose of powder is charged from the subdividing hopper 21 to the receptacle 48 of the handle-equipped container 19. The operation in this case is controlled by the multi-function robot 20 and is arranged below the guide member 54 of the subdividing hopper 21 with the opening of the receiver 48 facing upward, and a predetermined amount of powder is applied to the rotary valve 53. Cut out with.

The receiver 48 containing the powder is positioned immediately above the mold 11 so as not to spill the powder in the receiver 48, and the handle 49 in a horizontal state is rotated 180 degrees. As a result, the powder in the receptacle 48 is put into the mold 11. Note that the appropriate position of the receiver 48 with respect to the mold 11 is stored in advance in the multi-function robot 20.
After receiving the powder, the receptacle 48 rotates again by 180 degrees, receives a predetermined amount of powder from the subdividing hopper 21, and stands by so that it can be charged into one of the next molds 12 and 13.

The subdividing hopper 21 is provided with a sensor for measuring the amount of powder. When the powder is insufficient, the carriage 16 is moved to move the subdividing hopper 21 to the position of the relay hopper 22. Receive powder supply. The above steps are repeated to supply the necessary powder into the molds 11-13.

The present invention is not limited to the above-described embodiment, and the configuration thereof can be changed without changing the gist of the present invention.
For example, in the above-described embodiment, the number of molds is 3, but the present invention can be applied even when there are 2 or 4 or more molds.

10: Powder supply device for continuous casting equipment, 11-13: Mold, 14, 15: Rail, 16: Cart, 16a: Base, 17: Front arm, 18: Base arm, 19: Container with handle, 20 : Multifunctional robot, 21: Subdivision hopper, 22: Relay hopper, 22a: Rotary valve, 23: Cutting means, 24: Storage hopper, 25: Powder storage, 26: Powder transport means, 28-31: Clamp mechanism 32: drive wheel, 33: driven wheel, 34: motor with speed reducer, 35: hydraulic cylinder, 36: mounting member, 37: latching pawl, 39: road bed, 40: hydraulic unit, 41, 42: through hole, 43: swivel base, 46: mounting block, 48: support, 49: handle, 51: support base, 52: small capacity powder container, 53: rotary valve, 54: guide member, 57: support Member, 58: Tank 59: Pipe 61: tundish 62 to 64: immersion nozzle, 65-67: fences

Claims (4)

A powder supply device for a continuous casting facility for supplying powder to each mold of a continuous casting facility having at least two strands,
1) a carriage that runs on rails arranged along a line of the molds;
2) A multi-function robot which is disposed on the carriage and has a connected front arm and a base arm, and which can control the position, inclination angle and turning angle of the powder conveying tool attached to the front portion of the front arm. When,
3) a subdivision hopper disposed in a position different from the multifunction robot of the cart; and 4) a fixedly arranged relay hopper that supplies the powder to the subdivision hopper when the cart is in a predetermined position;
5) A powder storage unit provided with a plurality of storage hoppers arranged at different positions from the relay hopper and each having a cutting means at the bottom,
6) Powder transporting means for transporting the powder cut from one or more of the plurality of storage hoppers to the relay hopper;
7) a clamp mechanism for fixing the carriage to the rail at a position where the powder is supplied to the specific mold by the powder carrier;
The cart is stopped at a specific position on the rail, the cart is fixed to the rail with the clamp mechanism, the multifunction robot is controlled, and a predetermined amount previously received from the subdivision hopper by the powder carrier The powder supply apparatus for continuous casting equipment, wherein the powder is supplied to the mold. 2. The powder supply apparatus for a continuous casting facility according to claim 1, wherein the clamp mechanism is provided on both sides of the carriage, and a hook is inserted into a through-hole provided in the center in the height direction of the rail. A powder supply apparatus for continuous casting equipment, comprising: a pawl; and a drive cylinder that latches the latching pawl in the through-hole and releases the latching pawl from the through-hole. 2. The powder supply apparatus for a continuous casting facility according to claim 1, wherein the powder carrier is a container with a handle provided at a tip portion of the front arm, and the powder is put into the container with the handle from the subdividing hopper. The powder supply device for continuous casting equipment is characterized in that the operation of feeding into the mold is performed by the multifunction robot. The powder supply apparatus of the continuous casting equipment according to any one of claims 1 to 3, wherein the multi-function robot is provided on a swivel that is pivotable about a vertical axis with respect to a base, and the swivel The base arm provided to be tiltable, the front arm provided to be tiltable and pivotable at the tip of the base arm, and swingable to the tip of the tip arm and rotatable. A powder supply apparatus for a continuous casting facility, wherein the powder transport tool is fixed to the mounting block.

Images