CN215766502U

CN215766502U - Steel pusher

Info

Publication number: CN215766502U
Application number: CN202122195842.5U
Authority: CN
Inventors: 杨飞; 吴国臣; 孟润泽; 姚冬; 冯磊; 尉磊飞
Original assignee: Wuhai Baogang Wanteng Steel Co ltd
Current assignee: Wuhai Baogang Wanteng Steel Co ltd
Priority date: 2021-09-12
Filing date: 2021-09-12
Publication date: 2022-02-08
Anticipated expiration: 2031-09-12

Abstract

The utility model belongs to the technical field of steel mill production, and particularly relates to a pusher. Comprises a bottom plate; a steel pushing oil cylinder is arranged on the bottom plate, and a cylinder rod of the steel pushing oil cylinder is connected with a steel pushing head; the steel pushing head comprises a cross beam, a trapezoidal groove is formed in one side of the cross beam, which is far away from the oil cylinder, a trapezoidal block matched with the trapezoidal groove in shape is installed in the trapezoidal groove, and when the trapezoidal block is installed in the trapezoidal groove, the front, the back, the left and the right of the trapezoidal block are limited and can only move up and down along the groove; a steel billet pushing head for pushing steel is arranged on the trapezoidal block; and the trapezoidal block is in threaded connection with an adjusting screw which penetrates through the trapezoidal block and then is tightly propped against the upper surface of the cross beam. The steel billet feeding device can be suitable for steel billets of different specifications and is wide in application range.

Description

Steel pusher

Technical Field

The utility model belongs to the technical field of steel mill production, and particularly relates to a pusher.

Background

The hydraulic pusher is a device for pushing steel billets into a pusher-type heating furnace, and is widely applied due to simple structure, high production efficiency, low failure rate, stable and reliable operation and high favor of users.

The existing steel pusher carries out steel pushing operation aiming at steel billets with different sizes, a height adjusting system of the steel pusher needs to be arranged, and time and cost are wasted. If the height adjusting system is not available, the situation of overturning the steel billet can occur due to the fact that the height of the steel pushing head is not matched with that of the steel billet in the steel pushing process, and the normal operation of production is seriously influenced. At present, most of steel pushing machines adopt a high-precision optical axis guiding system, and the processing of the optical axis guiding system needs special large-scale equipment, so that the cost is high, and the maintenance cost is high. Moreover, when the existing double-oil-cylinder hydraulic steel pusher pushes steel billets, because the two oil cylinders are difficult to keep synchronous when working simultaneously, the steel billets are also easy to be pushed obliquely or overturned.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a pusher.

In order to achieve the purpose, the utility model adopts the following technical scheme that the device comprises a bottom plate; the steel pushing device is characterized in that a steel pushing oil cylinder is arranged on the bottom plate, and a cylinder rod of the steel pushing oil cylinder is connected with a steel pushing head; the steel pushing head comprises a cross beam, a trapezoidal groove is formed in one side of the cross beam, which is far away from the oil cylinder, a trapezoidal block matched with the trapezoidal groove in shape is installed in the trapezoidal groove, and when the trapezoidal block is installed in the trapezoidal groove, the front, the back, the left and the right of the trapezoidal block are limited and can only move up and down along the groove; a steel billet pushing head for pushing steel is arranged on the trapezoidal block; and the trapezoidal block is in threaded connection with an adjusting screw which penetrates through the trapezoidal block and then is tightly propped against the upper surface of the cross beam.

Furthermore, a pushing head groove is formed in one side, away from the oil cylinder, of the trapezoidal block, the pushing head comprises an inverted L-shaped overturning pressing block, the inverted L-shaped overturning pressing block comprises a transverse edge and a longitudinal edge which are perpendicular to each other, an opening of the inverted L-shaped overturning pressing block faces towards the steel billet, and an intersection point of the transverse edge and the longitudinal edge is rotatably connected with the trapezoidal block through a rotating shaft; the push head groove is internally provided with a reset pressure spring, the longitudinal edge is arranged in the push head groove, one end of the reset pressure spring is connected with the inner wall of the push head groove, and the other end of the reset pressure spring is connected with the longitudinal edge.

Furthermore, a rotating shaft support is arranged at the top of the trapezoidal block, and the rotating shaft is installed on the rotating shaft support.

Furthermore, one side of the trapezoid groove close to the oil cylinder is wide, and the other side of the trapezoid groove far away from the oil cylinder is narrow; the trapezoidal block and the trapezoidal groove are the same in shape.

Furthermore, a connecting plate is arranged at the top of the trapezoidal block, and one end of the connecting plate extends towards the oil cylinder; the adjusting screw is in threaded connection with the connecting plate and penetrates through the connecting plate to be tightly pressed against the cross beam.

Further, the steel pushing oil cylinder is connected with the hydraulic station through an oil pipe.

Further, a cylinder seat of the steel pushing oil cylinder is installed on the bottom plate, and a cylinder rod of the steel pushing oil cylinder is connected with the cross beam.

Furthermore, two guide rods are respectively installed on two sides of a cylinder rod of the oil cylinder, the two guide rods are parallel to the cylinder rod, each guide rod is slidably installed in a guide seat for the oil cylinder, and one end of each guide rod is fixedly connected with the cross beam.

Furthermore, a guide pulley is respectively arranged in the guide seat and in the upper, lower, left and right directions of the guide rod, and the guide rod is in contact with the four pulleys.

Compared with the prior art, the utility model has the beneficial effects.

The utility model has high stability, can prevent the billet from being inclined or overturned, and can ensure normal production. Meanwhile, the method can be suitable for steel billets of different specifications and has a wide application range.

Drawings

The utility model is further described with reference to the following figures and detailed description. The scope of the utility model is not limited to the following expressions.

Fig. 1-2 are schematic views of the overall structure of the pusher in different angles in the specific embodiment.

Fig. 3-4 are schematic structural diagrams of a trapezoidal block and a push head of the pusher.

FIG. 5 is a schematic side view of the pusher.

Fig. 6 is a partially enlarged schematic view at I of fig. 5.

Fig. 7 is a schematic view of the large-sized billet of fig. 6.

Fig. 8 is a schematic view of the billet of fig. 6 being pushed to a reduced size.

In the figure, 1 is a bottom plate, 2 is a guide rod, 3 is a guide seat, 4 is an oil cylinder, 5 is a beam, 6 is a trapezoidal block, 7 is a trapezoidal groove, 8 is a guide pulley, 9 is a connecting plate, 10 is an adjusting screw, 11 is a rotating shaft, 12 is a turning pressing block, 13 is a point A, 14 is a point B, 15 is a pushing head groove, 16 is a resetting pressure spring, 17 is a large-size billet, and 18 is a small-size billet.

Detailed Description

As shown in fig. 1 to 8, embodiment 1: comprises a bottom plate 1; a steel pushing oil cylinder 4 is arranged on the bottom plate 1, and a cylinder rod of the steel pushing oil cylinder 4 is connected with a steel pushing head; the steel pushing head comprises a cross beam 5, a trapezoidal groove 7 is formed in one side, far away from the oil cylinder 4, of the cross beam 5, a trapezoidal block 6 matched with the shape of the trapezoidal groove is installed in the trapezoidal groove 7, and when the trapezoidal block 6 is installed in the trapezoidal groove 7, the trapezoidal block is limited all around (namely, the trapezoidal block 6 is limited in the trapezoidal groove 7 and cannot move all around) and can only move up and down along the groove. A steel billet pushing head for pushing steel is arranged on the trapezoidal block 6; the trapezoidal block 6 is connected with an adjusting screw 10 in a threaded manner, and the adjusting screw 10 passes through the trapezoidal block 6 and then abuts against the upper surface of the cross beam 5. By rotating the adjustment screw 10, the trapezoidal block 6 moves up or down along the adjustment screw 10. The trapezoidal block 6 is installed and protrudes out of the trapezoidal groove 7.

Preferably, a pushing head groove 15 is formed in one side, away from the oil cylinder 4, of the trapezoidal block 6, the pushing head comprises an inverted-L-shaped overturning pressing block 12, the inverted-L-shaped overturning pressing block 12 comprises a transverse edge and a longitudinal edge which are perpendicular to each other, an opening of the inverted-L-shaped overturning pressing block 12 faces towards a steel billet, and an intersection point of the transverse edge and the longitudinal edge is rotatably connected with the trapezoidal block 6 through a rotating shaft 11. A reset pressure spring 16 is arranged in the push head groove 15, the longitudinal edge is arranged in the push head groove 15, one end of the reset pressure spring 16 is connected with the inner wall of the push head groove 15, and the other end of the reset pressure spring 16 is connected with the longitudinal edge. The top of trapezoidal piece 6 is provided with 11 supports of pivot, pivot 11 is installed on 11 supports of pivot. The arrangement of the reset pressure spring 16 meets the requirement that the overturning pressing block 12 can be perfectly matched and contacted with the steel billet in the steel billet pushing process.

Preferably, one side of the trapezoidal groove 7 close to the oil cylinder 4 is wide, and the other side far away from the oil cylinder 4 is narrow; or the trapezoid block 6 is wide inside and narrow outside, so that the trapezoid block can be clamped in the trapezoid groove 7 and cannot be taken out from left, right, front and back. The trapezoidal blocks 6 and the trapezoidal grooves 7 are the same in shape; i.e. wide inside and narrow outside, so that the trapezoidal block 6 can not be taken out from the narrow part of the trapezoidal groove 7 and can only slide out along the up-and-down direction of the groove. The top of the trapezoidal block 6 is provided with a connecting plate 9, and one end of the connecting plate 9 extends towards the oil cylinder 4; the adjusting screw 10 is in threaded connection with the connecting plate 9, and the adjusting screw 10 penetrates through the connecting plate 9 and then is tightly propped against the cross beam.

Preferably, the steel pushing oil cylinder 4 is connected with the hydraulic station through an oil pipe, a cylinder seat of the steel pushing oil cylinder 4 is installed on the bottom plate 1, and a cylinder rod of the steel pushing oil cylinder 4 is connected with the cross beam 5. Two sides of a cylinder rod of the oil cylinder 4 are respectively provided with a guide rod 2, the two guide rods 2 are parallel to the cylinder rod, each guide rod 2 is slidably arranged in a guide seat 3, and one end of each guide rod 2 is fixedly connected with the cross beam. A guide pulley 8 is respectively arranged in the guide seat 3 and in the upper, lower, left and right directions of the guide rod 2, and the guide rod 2 is in contact with the four pulleys. The friction can be reduced, and the guide rod 2 is smoother when sliding out in the guide seat 3. The guide seat 3 adopts a square structure with an open front and back and is fixedly connected on the bottom plate 1.

The specific action process is as follows: the steel pusher is arranged on one side of the steel billet conveying belt, and when the steel billets on the conveying belt are conveyed in place, the steel pusher is used for pushing the steel billets to the next station to complete steel pushing. Specifically, after the steel billet to be pushed is in place, the oil cylinder 4 of the pusher is extended to act, and the cross beam and the guide rod 2 of the pusher perform the steel pushing operation under the power action of the oil cylinder 4.

And secondly, the guide rod 2 is directly manufactured by square steel, so that the manufacturing is simple and the cost is low. A guide wheel train structure is arranged in the guide seat 3 matched with the guide wheel train structure, so that the guide matching work can be well completed. The guide wheel is composed of a guide roller, a mounting frame, a shaft and the like, and the outer roller surface of the guide roller is in contact with the surface of the square steel of the guide rod 2.

And thirdly, one pusher is provided with two guide rods 2, each guide rod 2 is provided with one guide seat 3, and a guide wheel of each guide seat 3 is respectively contacted with four surfaces of the square steel of the guide rod 2.

And fourthly, a trapezoidal groove is formed in the beam of the steel pusher, a trapezoidal block 6 is installed in the trapezoidal groove, a pushing head device is installed on the trapezoidal block 6, and the trapezoidal block 6 can be adjusted in position and height in the trapezoidal groove according to the adjusting screw 10 and is used for realizing steel billets corresponding to different sizes. The large-size billet 17 requires the adjustment of the position of the pusher block to a higher level. The small size billet 18 requires the trapezoidal blocks 6 to be positionally adjusted lower, with the positioning being based on the contact of the lower surface a point 13 of the upset mass 12 with the billet upper surface during operation.

Fifthly, in the steel pushing process of the steel pusher, after the height position of the pushing head is adjusted, firstly, the turning pressing block B point 14 is in contact with the pushed surface of the steel billet, the reset pressure spring 16 is compressed, the turning pressing block 12 rotates anticlockwise along the rotating shaft 11, and the turning pressing block A point 13 is in contact with the upper surface of the steel billet and is pressed tightly. Because upset briquetting A point 13 compresses tightly the steel billet upper surface, in pusher working process, the steel billet all by under spacing condition at two right-angle faces, the emergence of the unable steel turnover condition that appears.

Sixth, the utility model realizes that a pusher can be suitable for billets of different sizes with different pusher devices, the pusher is convenient to replace, and the manufacturing cost is low.

It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the utility model.

Claims

1. A pusher comprising a base plate; the steel pushing device is characterized in that a steel pushing oil cylinder is arranged on the bottom plate, and a cylinder rod of the steel pushing oil cylinder is connected with a steel pushing head;

the steel pushing head comprises a cross beam, a trapezoidal groove is formed in one side of the cross beam, which is far away from the oil cylinder, a trapezoidal block matched with the trapezoidal groove in shape is installed in the trapezoidal groove, and when the trapezoidal block is installed in the trapezoidal groove, the front, the back, the left and the right of the trapezoidal block are limited and can only move up and down along the groove;

a steel billet pushing head for pushing steel is arranged on the trapezoidal block;

and the trapezoidal block is in threaded connection with an adjusting screw which penetrates through the trapezoidal block and then is tightly propped against the upper surface of the cross beam.

2. A pusher according to claim 1, characterized in that: a push head groove is formed in one side, away from the oil cylinder, of the trapezoidal block, the push head comprises an inverted L-shaped overturning pressing block, the inverted L-shaped overturning pressing block comprises a transverse edge and a longitudinal edge which are perpendicular to each other, an opening of the inverted L-shaped overturning pressing block faces towards a steel billet, and an intersection point of the transverse edge and the longitudinal edge is rotatably connected with the trapezoidal block through a rotating shaft; the push head groove is internally provided with a reset pressure spring, the longitudinal edge is arranged in the push head groove, one end of the reset pressure spring is connected with the inner wall of the push head groove, and the other end of the reset pressure spring is connected with the longitudinal edge.

3. A pusher according to claim 2, characterized in that: the top of the trapezoid block is provided with a rotating shaft support, and the rotating shaft is arranged on the rotating shaft support.

4. A pusher according to claim 1, characterized in that: one side of the trapezoid groove close to the oil cylinder is wide, and the other side of the trapezoid groove far away from the oil cylinder is narrow; the trapezoidal block and the trapezoidal groove are the same in shape.

5. A pusher according to claim 1, characterized in that: the top of the trapezoid block is provided with a connecting plate, and one end of the connecting plate extends towards the oil cylinder; the adjusting screw is in threaded connection with the connecting plate and penetrates through the connecting plate to be tightly pressed against the cross beam.

6. A pusher according to claim 1, characterized in that: and the steel pushing oil cylinder is connected with the hydraulic station through an oil pipe.

7. A pusher according to claim 1, characterized in that: and a cylinder seat of the steel pushing oil cylinder is arranged on the bottom plate, and a cylinder rod of the steel pushing oil cylinder is connected with the cross beam.

8. A pusher according to claim 1, characterized in that: two guide rods are respectively installed on two sides of a cylinder rod of the oil cylinder, the two guide rods are parallel to the cylinder rod, each guide rod is slidably installed in a guide seat of the oil cylinder, and one end of each guide rod is fixedly connected with the cross beam.

9. A pusher according to claim 8, characterized in that: and guide pulleys are respectively arranged in the guide seat and in the upper, lower, left and right directions of the guide rod, and the guide rod is in contact with the four pulleys.