CN210996371U

CN210996371U - Control device for casting truck of cast tube centrifugal machine

Info

Publication number: CN210996371U
Application number: CN201921862921.3U
Authority: CN
Inventors: 苗延增
Original assignee: Xinxing Ductile Iron Pipes Co Ltd
Current assignee: Xinxing Ductile Iron Pipes Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-14
Anticipated expiration: 2029-10-31

Abstract

The utility model provides a cast tube centrifuge pouring truck control device, belonging to the technical field of automatic control of centrifugal casting machines, comprising a positioning rod, a base, a limiting part, a driving mechanism, a first position sensor and a controller, wherein the positioning rod is arranged on the side wall of the pouring truck; the two bases are arranged on one side of the travelling path of the pouring truck, and when the pouring truck is positioned at the front point and the rear point, the positioning rods are respectively opposite to the two bases; the two limiting parts are respectively connected with the two bases, the limiting parts are of symmetrical V-shaped structures formed by two branches, and the joints of the two branches are rotatably connected with the bases; two driving mechanisms are arranged corresponding to the limiting parts and used for driving the corresponding limiting parts to rotate; first position sensor is two, and first position sensor sets up with the base is relative, and first position sensor is used for the position of response locating lever. The utility model provides a cast tube centrifuge pouring truck controlling means realizes the accurate parking of pouring truck at leading point and rearmounted point, has guaranteed the casting quality.

Description

Control device for casting truck of cast tube centrifugal machine

Technical Field

The utility model belongs to the technical field of centrifugal casting machine automatic control, more specifically say, relate to a cast tube centrifuge pouring truck controlling means.

Background

Centrifugal casting is a casting method in which liquid metal is poured into a rotating mold, and the mold is filled and solidified under the action of centrifugal force to form a casting. The ductile iron pipe is usually cast in a centrifugal mode, and in the rotating process of a centrifugal machine provided with the pipe die, a pouring truck pours liquid metal into a chute through a fan-shaped bag, and the chute introduces the liquid metal into the rotating pipe die.

The casting process of the centrifugal casting of the nodular cast iron pipe comprises the following steps that a casting truck starts to move forward after iron adding is finished at an iron adding station, a motor of the casting truck acts, when the front end of a chute reaches a pipe die socket, namely a rear point, a die powder machine acts, and the ground powder flows into a pipe die from the chute; when the front end of the chute reaches the bell mouth of the pipe die, namely the front point, the powder molding machine stops running, the fan-shaped bag starts to turn over, and molten iron slowly flows out; after a delay time is set, the pouring truck starts to retreat, the mold powder machine starts simultaneously, and when the pouring truck retreats to the rear point position, the pouring truck retreats and stops and the fan-shaped bag and the mold powder machine stop acting simultaneously.

Pouring truck arrives leading point and postposition when parkking, because automobile body inertia can produce and rock for the parking stall of pouring truck has some errors, parks not in place and will influence the inflow position of crocus and molten iron, thereby influences the degree of consistency of cast tube wall thickness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cast tube centrifuge pouring truck controlling means aims at solving the pouring truck and rocks because of inertia production at leading point and rearmounted point, thereby parks the not problem that influences the degree of consistency of cast tube wall thickness in place.

In order to achieve the above object, the utility model adopts the following technical scheme: the control device of the casting truck of the cast tube centrifuge comprises a positioning rod, a base, a limiting piece, a driving mechanism, a first position sensor and a controller, wherein the positioning rod is arranged on the side wall of the casting truck; the number of the bases is two, the two bases are arranged on one side of a travelling path of the pouring truck, and when the pouring truck is positioned at a front point and a rear point, the positioning rods are respectively opposite to the two bases; the two limiting parts are respectively connected with the two bases, the limiting parts are of symmetrical V-shaped structures formed by two branches, and the joints of the two branches are rotatably connected with the bases; the driving mechanism is arranged corresponding to the limiting piece and used for driving the corresponding limiting piece to rotate so as to limit the positioning rod by the V-shaped opening of the limiting piece or release the positioning rod; the two first position sensors are respectively arranged opposite to the base and used for sensing the position of the positioning rod, and the sensing range of the first position sensors covers the action range of the limiting part; the controller is used for receiving the feedback of the first position sensor, controlling the driving mechanism to drive the limiting part to rotate, controlling the starting and stopping of the advancing motor of the pouring truck, pouring the fan-shaped package on the pouring truck, and adding the pipe mold powder by the mold powder machine.

As another embodiment of the present application, the diverging ends of both branches are rotatably connected to the roller.

As another embodiment of the application, the driving mechanism comprises a fixed seat and a hydraulic cylinder, and the fixed seat is fixedly arranged; the cylinder seat of the hydraulic cylinder is rotationally connected with the fixed seat, and the piston rod of the hydraulic cylinder is rotationally connected with one branch.

As another embodiment of the present application, the roller is externally wrapped with a rubber material.

As another embodiment of this application, still include second position sensor, second position sensor is located between two bases for respond to the locating lever position and feed back to the controller.

As another embodiment of this application, still include first probe, link to each other with the controller, the female end of cast tube pipe die is located to first probe, and first probe is used for detecting whether have the molten iron to flow out when the chute is located the female end.

As another embodiment of the application, the device further comprises a second probe which is connected with the controller and used for detecting whether the molten iron of the fan-shaped ladle flows out or not.

As another embodiment of this application, base, locating part, actuating mechanism set up two sets of along the central line symmetry in route, and the locating lever sets up two, locates symmetrically respectively on the pouring truck both sides lateral wall.

As another embodiment of this application, the protruding end of locating lever is equipped with the chamfer and wraps up rubber materials.

As another embodiment of the application, the system further comprises an operation table, and the operation table is electrically connected with the controller.

The utility model provides a cast tube centrifuge pouring truck controlling means's beneficial effect lies in: compared with the prior art, the cast tube centrifuge pouring truck control device of the utility model is provided with the positioning rods on the side surface of the pouring truck body, two bases which are rotationally connected with the limiting parts are arranged, the two bases are respectively arranged on one side of the advancing path of the pouring truck, and when the pouring truck is positioned at the front point and the rear point, the positioning rods are respectively opposite to the two bases; the limiting piece is a symmetrical V-shaped structure formed by two branches, and the joint of the two branches is rotatably connected with the base; the corresponding limiting part is driven to rotate through the driving mechanism, and the state of the positioning rod is detected through the first position sensor. The V-shaped limiting piece is lower in one branch position and higher in one branch, and when the positioning rod detected by the first position sensor reaches a contact position with the lower branch, the controller controls the driving mechanism to enable the limiting piece to rotate; when the positioning rod is opposite to the base, the positioning rod is located in the V-shaped opening of the limiting part and is in contact with the two branches of the limiting part, the controller controls the limiting part to stop rotating and the pouring truck to stop at the moment, the positioning rod is limited between the two branches, the situation that the stopping position of the pouring truck is inaccurate due to the fact that the pouring truck is stopped and shaken is avoided, accurate parking of the pouring truck at a front point and a rear point is achieved, and casting quality is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a control device of a casting truck of a cast tube centrifuge according to an embodiment of the present invention;

fig. 2 is a layout diagram of a control device of a casting truck of a cast tube centrifuge according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

fig. 4 is a schematic structural view of a limiting portion according to an embodiment of the present invention.

In the figure: 1. pipe die; 2. a chute; 3. molding a powder machine; 4. a fan-shaped bag; 5. pouring truck; 6. a track; 7. positioning a rod; 8. a limiting part; 9. a first position sensor; 10. a controller; 11. a first probe; 12. a second probe; 13. a second position sensor; 801. a base; 802. a limiting member; 803. a roller; 804. a hydraulic cylinder; 805. a fixed seat.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2 together, a control device of a cast tube centrifuge truck 5 according to the present invention will now be described. The control device of the cast tube centrifuge pouring truck 5 comprises a positioning rod 7, a base 801, a limiting piece 802, a driving mechanism, a first position sensor 9 and a controller 10, wherein the positioning rod 7 is arranged on the side wall of the pouring truck 5; the number of the bases 801 is two, the two bases 801 are arranged on one side of a traveling path of the pouring truck 5, and when the pouring truck 5 is positioned at a front point and a rear point, the positioning rods 7 are respectively opposite to the two bases 801; the two limiting members 802 are respectively connected with the two bases 801, the limiting members 802 are symmetrical V-shaped structures formed by two branches, and the joints of the two branches are rotatably connected with the bases 801; the driving mechanism is arranged corresponding to the limiting piece 802 and is used for driving the corresponding limiting piece 802 to rotate so as to limit the positioning rod 7 or release the positioning rod 7 by the V-shaped opening of the limiting piece 802; the two first position sensors 9 are respectively arranged opposite to the base 801, the first position sensors 9 are used for sensing the position of the positioning rod 7, and the sensing range of the first position sensors 9 covers the action range of the limiting part 802; the controller 10 is configured to receive feedback from the first position sensor 9, and control the driving mechanism to drive the limiting member 802 to rotate, start and stop the traveling motor of the pouring truck 5, dump the fan-shaped bag 4 on the pouring truck, and add the tube mold powder to the mold powder machine 3.

Compared with the prior art, the control device of the cast tube centrifuge pouring truck 5 provided by the utility model is characterized in that a positioning rod 7 is arranged on the side surface of the body of the pouring truck 5, two bases 801 rotatably connected with a limiting piece 802 are arranged, the two bases 801 are respectively arranged on one side of the advancing path of the pouring truck 5, and when the pouring truck 5 is positioned at a front point and a rear point, the positioning rod 7 is respectively opposite to the two bases 801; the limiting member 802 is a symmetrical V-shaped structure formed by two branches, and the joint of the two branches is rotatably connected with the base 801; the corresponding stopper 802 is driven to rotate by the driving mechanism, and the state of the positioning rod 7 is detected by the first position sensor 9. The V-shaped position limiting element 802 has a lower branch position and a higher branch position, and when the positioning rod 7 reaches the contact position with the lower branch detected by the first position sensor 9, the controller 10 controls the driving mechanism to rotate the position limiting element 802; when the positioning rod 7 is opposite to the base 801, the positioning rod 7 is located in the V-shaped opening of the limiting piece 802 and is in contact with two branches of the limiting piece 802, at the moment, the controller 10 controls the limiting piece 802 to stop rotating, the pouring truck 5 stops, and the positioning rod 7 is limited between the two branches, so that the situation that the stopping position of the pouring truck 5 is inaccurate due to stopping and shaking is prevented, the pouring truck 5 is accurately parked at a front point and a rear point, and the casting quality is guaranteed.

In this embodiment, as shown in fig. 1, the pouring truck 5 moves along the rail 6, when the pouring truck 5 moves to a rear point, a branch position of the stopper 802 at the rear point close to one side of the pouring truck 5 is lower, and the other branch position is higher, when one end of the positioning rod 7 of the pouring truck 5 reaches a position contacting with the branch at the lower side, the first position sensor 9 detects the position of the positioning rod 7, and transmits a signal to the controller 10, and the controller 10 controls the driving mechanism to drive the stopper 802 to rotate along with the movement of the pouring truck 5; when the positioning rod 7 is opposite to the base 801, the positioning rod 7 is located in the V-shaped opening of the limiting piece 802, two branches of the limiting piece 802 are all in contact with the positioning rod 7 and can stop the forward and backward movement of the positioning rod 7, the position is a rear point position where the pouring truck 5 should stop, the controller 10 controls the traveling motor to stop parking and the limiting piece 802 to stop rotating, and at the moment, the limiting piece 802 limits the positioning rod 7, so that the deviation caused by the parking and shaking of the pouring truck 5 is effectively prevented. After the rear-mounted point is stopped, the die powder machine 3 is started to flow the tube die powder into the tube die 1 from the chute 2, and after the die powder machine 3 acts, the controller 10 controls the driving mechanism to drive the limiting piece 802 to rotate towards the advancing direction of the pouring truck 5 and simultaneously starts an advancing motor of the pouring truck 5; thus, the branch located on the front side in the advancing direction of the jumper 7 no longer blocks the advance of the jumper 7, and the jumper 7 is released. Then the limiting part 802 at the front point repeats the action of the limiting part 802 at the rear point, the pouring truck 5 is accurately controlled and positioned at the front point, and the fan-shaped ladle 4 is started to start to reversely pour molten iron. The same principle is used for positioning when the carriage 5 is reversed.

In this embodiment, as shown in fig. 1, when the pouring truck 5 needs to enter a post-position after completing the iron charging at the iron charging station, a set of limiting part 8 consisting of a base 801, a limiting part 802 and a driving mechanism and a first position sensor 9 corresponding to the limiting part 8 can be added at the iron charging station, so as to ensure the accurate positioning of the iron charging station.

As a specific embodiment of the control device of the pouring truck 5 of the cast tube centrifuge of the present invention, please refer to fig. 3 to 4, the two branched diverging ends are all rotated to connect the roller 803. The arrangement of the roller 803 reduces the wear between the position-limiting member 802 and the positioning rod 7. When the limiting part 802 contacts the positioning rod 7, the limiting part 802 rotates and is in frictional contact with the positioning rod 7, the roller 803 is arranged to reduce abrasion, and the service life is prolonged.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3 to fig. 4, the driving mechanism includes a fixing seat 805 and a hydraulic cylinder 804, the fixing seat 805 is fixedly disposed, a cylinder seat of the hydraulic cylinder 804 is rotatably connected to the fixing seat 805, and a piston rod of the hydraulic cylinder 804 is rotatably connected to one of the branches. The hydraulic driving force is large enough to prevent the pouring truck 5 from shaking and shifting due to parking.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 3 and 4, the roller 803 is wrapped with a rubber material. When the pouring truck 5 is parked and shaken, the limit part 802 is collided, and the roller 803 wraps the rubber material to play a role in buffering the collision.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and fig. 2, the control device of the cast tube centrifuge pouring truck 5 further includes a second position sensor 13, and the second position sensor 13 is located between the two bases 801 and is used for sensing the position of the positioning rod 7 and feeding back to the controller 10.

In this embodiment, set up second position sensor 13 in the suitable position between two bases 801, after second position sensor 13 detected pouring truck 5, controller 10 controlled pouring truck 5's motor stall, and pouring truck 5 relies on inertia to slide to the fore-set point, and it is big to rock because of the big production of speed when reducing the parking, and it is more steady to park.

In this example. Two second position sensors 13 may be provided between the two bases 801, one for slow parking of the pouring truck 5 towards the forward point and the other for slow parking of the pouring truck 5 towards the rearward point when it is withdrawn. The second sensor is arranged, so that the pouring truck 5 is ensured to stop slowly, and the parking shaking of the pouring truck 5 and the parking precision of the pouring truck 5 are improved from the control system. The limiting part 8 is matched with the second position sensor 13, and the parking precision of the pouring truck 5 is improved in two aspects of machinery and control.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2, the control device of the tube centrifuge pouring truck 5 further includes a first probe 11 connected to the controller 10, the first probe 11 is located at the socket end of the tube mold 1, and the first probe 11 is used for detecting whether the molten iron flows out when the chute 2 is located at the socket end.

When the pouring truck 5 is located the preposition point, the chute 2 stretches into the female end of the cast tube pipe die 1, the fan-shaped package 4 rotates to want the chute 2 to pour molten iron, the molten iron is taken to flow out from the chute 2 and then the pouring truck 5 can move back, the first probe 11 is arranged to detect whether the chute 2 is located when the female end has molten iron to flow out, thereby accurately mastering the time of moving back and being beneficial to ensuring that the thickness of the cast tube is even.

Referring to fig. 2, the control device of the tube centrifuge pouring truck 5 further includes a second probe 12 connected to the controller 10, and the second probe 12 is used for detecting whether the molten iron of the fan-shaped ladle 4 flows out. When the pouring truck 5 is located at a front point and needs to start the fan-shaped ladle 4 to deflect, the second probe 12 detects whether the molten iron in the fan-shaped ladle 4 flows out, and if the molten iron does not flow out, the controller 10 controls the fan-shaped ladle 4 to increase the deflection angle of the molten iron.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the base 801, the limiting member 802, and the driving mechanism are symmetrically disposed along the center line of the path, and the positioning rod 7 is disposed two, symmetrically disposed on the side walls of the two sides of the pouring truck 5. The base 801, the limiting member 802, and the driving mechanism are symmetrically disposed in two sets along a center line of the path. Two sides of the pouring truck 5 are stressed during parking, the limiting is more stable, and the precision is higher.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, an extending end of the positioning rod 7 is provided with a chamfer and wraps up the rubber material, and the positioning rod 7 is placed in the maintenance process, and the end of the positioning rod 7 scratches the person.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the control device of the cast tube centrifuge pouring truck further includes an operation console, and the operation console is electrically connected to the controller 10. The manual operation is convenient.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Cast a tub centrifuge pouring truck controlling means, its characterized in that includes:

the positioning rod is arranged on the side wall of the pouring truck;

the two bases are arranged on one side of the travelling path of the pouring truck, and when the pouring truck is positioned at the front point and the rear point, the positioning rods are respectively opposite to the two bases;

the two limiting parts are respectively connected with the two bases, each limiting part is of a symmetrical V-shaped structure formed by two branches, and the joint of the two branches is rotatably connected with the bases;

the driving mechanism is arranged corresponding to the limiting piece and used for driving the corresponding limiting piece to rotate so as to limit the positioning rod through the V-shaped opening of the limiting piece or release the positioning rod;

the two first position sensors are respectively arranged opposite to the base and used for sensing the position of the positioning rod, and the sensing range of the first position sensors covers the action range of the limiting part; and

and the controller is used for receiving the feedback of the first position sensor and controlling the driving mechanism to drive the limiting part to rotate, start and stop the advancing motor of the pouring truck, dump the fan-shaped package on the pouring truck and add the pipe mold powder by the mold powder machine.

2. The cast tube centrifuge caster car control apparatus of claim 1, wherein the diverging ends of both said legs are rotatably connected to rollers.

3. The cast tube centrifuge caster wagon control apparatus of claim 1, wherein the drive mechanism comprises:

the fixing seat is fixedly arranged;

and a cylinder seat of the hydraulic cylinder is rotationally connected with the fixed seat, and a piston rod of the hydraulic cylinder is rotationally connected with one of the branches.

4. The cast tube centrifuge caster car control apparatus of claim 2, wherein said rollers are overwrapped with rubber material.

5. The cast tube centrifuge caster car control apparatus of claim 1, further comprising a second position sensor located between said two bases for sensing the position of said positioning rod and feeding back to said controller.

6. The control device of the casting tube centrifuge pouring truck of claim 1, further comprising a first probe connected to the controller, wherein the first probe is arranged at a female end of the casting tube die, and the first probe is used for detecting whether molten iron flows out when the chute is positioned at the female end.

7. The control device of the casting tube centrifuge pouring truck of claim 1, further comprising a second probe connected to the controller, the second probe being used for detecting whether molten iron of the fan-shaped ladle flows out or not.

8. The control device of a casting tube centrifuge pouring truck according to any one of claims 1 to 7, wherein the base, the limiting member and the driving mechanism are symmetrically arranged in two sets along a center line of the path, and two positioning rods are arranged and are symmetrically arranged on two side walls of the pouring truck respectively.

9. The cast tube centrifuge pouring truck control device of claim 1, wherein the protruding end of the positioning rod is chamfered and coated with rubber material.

10. The cast tube centrifuge caster car control apparatus of claim 1, further comprising a console, said console being electrically connected to said controller.