Rectangular steel billet in-furnace moving device for steel rolling workshop

Abstract

The invention provides a rectangular steel billet in-furnace moving device for a steel rolling workshop. The rectangular steel billet in-furnace moving device comprises a translation beam, a lifting frame, a bottom frame, a lifting oil cylinder, a translation oil cylinder, a steel receiving fork, transverse wheels and longitudinal wheels. The front end face of the translation beam is fully welded with the steel receiving fork; the translation beam transversely penetrates through the transverse frame of the lifting frame; a vertical frame of the lifting frame is arranged on the periphery of the C-shaped rail of the bottom frame. The lifting oil cylinder is arranged between the lifting frame and the bottom frame; the translation oil cylinder is arranged between the translation beam and the lifting frame; the transverse wheel is arranged between the translation beam and the lifting frame; and the longitudinal wheels are arranged between the lifting frame and the bottom frame. Through the design of the steel receiving forks and the translation and lifting structure, lifting and slow releasing of the steel billets are achieved, the bumping and scabbing defects on the surfaces of the hot charging steel billets are reduced, and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of steel production, in particular to a rectangular billet moving device for a steel rolling workshop. BACKGROUND

[0002] In the prior art, the billet on the billet loading rack in the steel wire production workshop is loaded into the heating furnace mainly by lowering the billet hook on one side of the billet rack, moving the billet rack moving platform forward by step translation, pushing the billet to the billet loading rack static beam slope, and then rolling the billet by gravity to the billet loading roller, and then conveying it to the heating furnace for billet heating operation. When using this loading method to load hot billets, the billet surface temperature is high, and the billet is prone to produce pits and scratches when rolling to the billet loading roller, which will cause defects such as scarring on the surface of the subsequent rolling wire rod product. This loading method is only suitable for square billets, and for rectangular billets, it cannot guarantee whether the cross section of the rectangular billet is horizontal or vertical when entering the furnace, which will cause difficulties in biting the red steel into the rough rolling mill or the need to repeatedly adjust the rolling speed of the mill after biting, which is not conducive to the control of the rolling process in the workshop. SUMMARY

[0003] In view of the deficiencies in the prior art, the present application provides a rectangular billet moving device for a steel rolling workshop.

[0004] The present application achieves the above technical purpose by the following technical means.

[0005] A rectangular billet moving device for a steel rolling workshop, comprising: a translation beam, a lifting frame, a chassis, a lifting cylinder, a translation cylinder, a billet receiving fork, a horizontal wheel, a vertical wheel; the front end surface of the translation beam is fully welded with the billet receiving fork; and the translation beam crosses the horizontal frame of the lifting frame; the vertical frame of the lifting frame is arranged on the periphery of the C-shaped track of the chassis; the lifting cylinder is arranged between the lifting frame and the chassis; the translation cylinder is arranged between the translation beam and the lifting frame; the horizontal wheel is arranged between the translation beam and the lifting frame; and the vertical wheel is arranged between the lifting frame and the chassis.

[0006] Further, the translation beam comprises a guide rail and a rib plate; the specific structure of the translation beam is that two guide rails are located on both sides and are welded by the rib plate.

[0007] Further, the lifting frame is in the shape of T as a whole.

[0008] Further, the lifting frame further comprises a saddle-shaped plate; the specific structure of the lifting frame is that the vertical frame comprises a connecting rod, a flat plate and two vertical plate pieces, the two vertical plate pieces are symmetrically arranged, one side at the bottom is connected by the connecting rod, and the other side is connected by the flat plate; the horizontal frame is designed as a square hollow structure; the upper part of the vertical plate piece of the vertical frame is fixedly connected with the side surface of the horizontal frame, and the saddle-shaped plate is welded at the middle part of the lower surface of the horizontal frame.

[0009] Further, the chassis further comprises steel plates, horizontal channel steel, inclined channel steel; the chassis has the following specific structure: two C-shaped rails are welded to form a whole through two steel plates, and the bottom of the whole is vertically welded with the horizontal channel steel; two inclined channel steels are welded at one end on the C-shaped rail and at the other end on the mounting surface of the horizontal channel steel away from the lifting cylinder.

[0010] Further, the steel fork further comprises a flat plate, a vertical plate and a rib plate; the steel fork has the following specific structure: the flat plate is fixedly connected with the vertical plate, and the included angle between the flat plate and the vertical plate of the steel fork is 88°; the bottom of the flat plate and the rear end of the vertical plate are both welded with the rib plate.

[0011] Further, the moving device further comprises a lifting cylinder base, and the lifting oil cylinder has the following specific arrangement: the lifting cylinder base is connected with the mounting surface groove of the horizontal channel steel close to the lifting oil cylinder through penetration connection; one end of the lifting oil cylinder is connected with the lifting cylinder base through a connecting pin shaft; the other end of the lifting oil cylinder is connected with the rear bridge of the saddle-shaped plate through a connecting pin shaft.

[0012] Further, the moving device further comprises a translation cylinder head base, and the translation oil cylinder has the following specific arrangement: the translation cylinder head base is installed on the rear end surface of the translation beam, one end of the translation oil cylinder is connected with the translation cylinder head base through a connecting pin shaft; the other end of the translation oil cylinder is connected with the front bridge of the saddle-shaped plate through a connecting pin shaft.

[0013] Further, the lateral wheel has the following specific arrangement: the lateral wheel is installed on the inner side of the horizontal frame through the horizontal frame mounting hole and the nut, and the guide rail of the translation beam is in contact with the wheel surface and the stop edge of the lateral wheel.

[0014] Further, the longitudinal wheel has the following specific arrangement: the longitudinal wheel is installed on the inner side of the vertical plate through the vertical plate mounting hole and the nut, and the C-shaped rail of the chassis is in contact with the wheel surface and the stop edge of the longitudinal wheel.

[0015] The present application has the following beneficial effects: (1) The billet charging moving device can ensure the fixing of the supporting surface of the rectangular billet when charging into the furnace, avoid repeated adjustment when the rough rolling mill bites, and improve the stability of the rolling process through the precise movement of the steel fork and the translation beam when the rectangular billet is rolled in the steel wire rod production workshop.

[0016] (2) The billet charging moving device cancels the traditional gravity tumbling mode, realizes the lifting and slow release of the billet through the translation and lifting structure, reduces the bumping and scarring defects on the surface of the hot charging billet, and improves the product quality.

[0017] (3) The billet charging moving device is suitable for the charging requirements of various billet shapes (rectangular billet, square billet) and different temperatures (cold charging, hot charging), solves the problem of shape limitation of traditional charging mode, and has strong universality. Attached Figure Description

[0018] Figure 1 This is a structural diagram of the lifting and translating mechanism described in this invention.

[0019] Figure 2 This is a front view of the lifting and translating mechanism described in this invention.

[0020] Figure 3 This is a top view of the lifting and translation mechanism described in this invention.

[0021] Figure 4 This is a structural diagram of the translation beam described in this invention.

[0022] Figure 5 This is a side view of the lifting frame described in this invention.

[0023] Figure 6 This is a structural diagram of the lifting frame described in this invention.

[0024] Figure 7 This is a structural diagram of the base frame described in this invention.

[0025] Figure 8 This is a top view of the chassis described in this invention.

[0026] Figure 9 This is a structural diagram of the steel fork described in this invention.

[0027] Figure 10 This is a side view of the steel fork described in this invention.

[0028] In the diagram: 1. Translation beam; 1.1. Guide rail; 1.2. Rib plate; 2. Lifting frame; 21. Vertical frame; 22. Horizontal frame; 23. Saddle-shaped plate; 24. Connecting rod; 25. Flat plate; 26. Vertical plate; 3. Base frame; 31. Steel plate; 32. Horizontal channel steel; 33. Inclined channel steel; 34. C-shaped rail; 4. Lifting cylinder; 5. Lifting cylinder base; 6. Connecting pin; 7. Translation cylinder; 8. Translation cylinder head seat; 9. Connecting steel fork; 91. Flat plate; 92. Vertical plate; 10. Horizontal wheel; 11. Longitudinal wheel. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but the scope of protection of the present invention is not limited thereto.

[0030] A rectangular steel billet loading and moving device for a steel rolling mill has four identical lifting and translating mechanisms. The structure of each lifting and translating mechanism is as follows: Figures 1-3 As shown, it includes: a translation beam 1, a lifting frame 2, a base frame 3, a lifting cylinder 4, a lifting cylinder base 5, a connecting pin 6, a translation cylinder 7, a translation cylinder head seat 8, a connecting steel fork 9, a transverse wheel 10, and a longitudinal wheel 11.

[0031] like Figure 4 As shown, the translation beam 1, as the translation component in this embodiment, includes two guide rails 1.1 and multiple stiffening plates 1.2. The two guide rails 1.1 are located on both sides and are welded together through the stiffening plates 1.2.

[0032] like Figure 5 , 6 As shown, the lifting frame 2, as the core transmission and support component of this embodiment, is T-shaped and includes a vertical frame 21, a horizontal frame 22, and a saddle-shaped plate 23. The vertical frame 21 includes a connecting rod 24, a flat plate 25, and vertical plates 26. Two vertical plates 26 are symmetrically arranged and symmetrically machined with four mounting holes. One bottom side is connected to the two vertical plates 26 via the connecting rod 24, and the other side is connected to the two vertical plates 26 via the flat plate 25. The horizontal frame 22 is designed as a square hollow structure with four mounting holes symmetrically distributed on both sides. The upper part of the vertical plates 26 of the vertical frame 21 is fixedly connected to the side surface of the horizontal frame 22. The saddle-shaped plate 23 includes a front axle (i.e., Figure 5 The right side portion of the saddle-shaped plate 23 and the rear axle portion (i.e. Figure 5 The left side of the saddle-shaped plate 23 is welded to the middle part of the lower surface of the cross frame 22.

[0033] like Figure 7 , 8 As shown, the base frame 3, as the core load-bearing support component of this embodiment, is welded together from steel plate 31, horizontal channel steel 32, inclined channel steel 33 and C-shaped rail 34. The two C-shaped rails 34 are welded together from two steel plates 31 to form a whole. The bottom of the whole is welded vertically to the horizontal channel steel 32 to play a vertical guiding role. One end of each of the two inclined channel steels 33 is welded to the C-shaped rail 34, and the other end is welded to the mounting surface on the right side of the horizontal channel steel 32 (the side away from the lifting cylinder 4).

[0034] like Figure 9 , 10 As shown, the steel fork 9, as the core component for moving steel in this embodiment, directly contacts and lifts the steel billet during operation, and it is necessary to prevent the steel billet from rolling or sliding. The steel fork 9 includes a flat plate 91, a vertical plate 92, and a stiffening plate 1.2. The flat plate and the vertical plate are fixedly connected, and the included angle between the flat plate 91 and the vertical plate 92 is designed to be 88° (close to vertical but slightly inward), so that the center of gravity of the steel billet is slightly tilted towards the vertical plate 92 of the steel fork 9, thereby ensuring that the friction force of the steel billet is outward, and ensuring that the steel billet always stays stably attached to the steel fork 9 during the steel moving process, and is not prone to slippage; the bottom of the flat plate 91 and the rear end of the vertical plate 92 are both welded with stiffening plates 1.2 with reinforcing structures.

[0035] The front end of the translation beam 1 is fully welded to the connecting steel fork 9 to support the steel billet; and the translation beam 1 passes through the horizontal frame 22 of the lifting frame 2; the vertical frame 21 of the lifting frame 2 is set around the C-shaped track 34 of the base frame 3.

[0036] The lifting cylinder 4 is located between the lifting frame 2 and the base frame 3. The specific arrangement of the lifting cylinder 4 is as follows: the lifting cylinder base 5 is connected through the groove on the left side (the side closest to the lifting cylinder 4) of the horizontal channel steel 32; one end of the lifting cylinder 4 is connected to the lifting cylinder base 5 through the connecting pin 6 to support the movement of the lifting cylinder 4; the other end of the lifting cylinder 4 is connected to the rear axle of the saddle-shaped plate 23 through the connecting pin 6.

[0037] The translation cylinder 7 is located between the translation beam 1 and the lifting frame 2. The specific arrangement of the translation cylinder 7 is as follows: the translation cylinder head seat 8 is installed on the rear end face of the translation beam 1, one end of the translation cylinder 7 is connected to the translation cylinder head seat 8 through the connecting pin 6; the other end of the translation cylinder 7 is connected to the front axle part of the saddle-shaped plate 23 through the connecting pin 6.

[0038] The transverse wheels 10 are positioned between the translation beam 1 and the lifting frame 2. The four transverse wheels 10 serve as horizontal guides and load-bearing components in this embodiment. They are installed inside the transverse frame 22 via mounting holes and nuts. The guide rail 1.1 of the translation beam 1 contacts the wheel surface and flange of the transverse wheels 10, providing guidance and transmission for forward and backward movement and reducing frictional resistance.

[0039] The longitudinal wheels 11 are arranged between the lifting frame 2 and the base frame 3. The four longitudinal wheels 11 serve as vertical guide components in this embodiment. They are installed on the inner side of the vertical plate 26 through the mounting holes and nuts of the vertical plate 26. The C-shaped track 34 of the base frame 3 contacts the wheel surface and the edge of the longitudinal wheels 11, which plays a role in guiding and transmitting the vertical movement and reducing frictional resistance.

[0040] Based on the above structure, the working process of the rectangular billet furnace moving device is as follows: During operation, when the billet loading platform reaches the billet position, the stop hook descends, the piston rod of the translation cylinder 7 retracts, driving the translation beam 1 to move forward to the left to the forward stop position a. The piston rod of the lifting cylinder 4 extends, driving the lifting frame 2, translation beam 1, and receiving fork 9 to rise, lifting the billet to the rising stop position b. The piston rod of the translation cylinder 7 extends, driving the translation beam 1 to move backward to the right to the stop position c. The piston rod of the lifting cylinder 4 retracts, driving the lifting frame 2, translation beam 1, and receiving fork 9 to descend to the stop position d. At this time, the billet is stably placed on the furnace loading roller conveyor, and finally the roller conveyor transports the billet into the furnace.

[0041] The entire set of equipment of this invention is precisely designed, with each device closely connected and easy to disassemble. The equipment can adjust the action speed of the hydraulic cylinder according to the actual site conditions to achieve controllable lifting and lowering speed. By storing the power parameters of the hydraulic solenoid valves for different specifications of billets through PLC, the lifting and lowering positions of the equipment can be effectively adjusted, thereby realizing the steel transfer function of various specifications of billets. It can complete the billet translation work with high quality and high efficiency, with low operating cost and high efficiency.

[0042] The embodiments described above are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments. Any obvious improvements, substitutions or modifications that can be made by those skilled in the art without departing from the essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A rectangular steel billet feeding and moving device in a steel rolling mill, characterized in that: It includes a translation beam (1), a lifting frame (2), a base frame (3), a lifting cylinder (4), a translation cylinder (7), a connecting steel fork (9), a transverse wheel (10), and a longitudinal wheel (11); the front end of the translation beam (1) is fully welded to the connecting steel fork (9), and the translation beam (1) passes through the transverse frame (22) of the lifting frame (2); the vertical frame (21) of the lifting frame (2) is set on the periphery of the C-shaped track (34) of the base frame (3); the lifting cylinder (4) is set between the lifting frame (2) and the base frame (3); the translation cylinder (7) is set between the translation beam (1) and the lifting frame (2); the transverse wheel (10) is set between the translation beam (1) and the lifting frame (2); and the longitudinal wheel (11) is set between the lifting frame (2) and the base frame (3).

2. The rectangular billet feeding and moving device in the rolling mill workshop according to claim 1, characterized in that, The translation beam (1) includes a guide rail (1.1) and a stiffener (1.2); the specific structure of the translation beam (1) is as follows: two guide rails (1.1) are located on both sides and are welded together by the stiffener (1.2).

3. The rectangular billet feeding and moving device in the rolling mill workshop according to claim 1, characterized in that, The lifting frame (2) is T-shaped.

4. The rectangular billet feeding and moving device in the rolling mill workshop according to claim 1, characterized in that, The lifting frame (2) also includes a saddle-shaped plate (23); the specific structure of the lifting frame (2) is as follows: the vertical frame (21) includes a connecting rod (24), a flat plate (25), and a vertical plate (26). The two vertical plates (26) are symmetrically arranged, with one side of the bottom connected by the connecting rod (24) and the other side connected by the flat plate (25); the horizontal frame (22) is designed as a square hollow structure; the upper part of the vertical plate (26) of the vertical frame (21) is fixedly connected to the side surface of the horizontal frame (22), and the saddle-shaped plate (23) is welded to the middle part of the lower surface of the horizontal frame (22).

5. The rectangular billet feeding and moving device in the rolling mill workshop according to claim 1, characterized in that, The base frame (3) also includes steel plate (31), horizontal channel steel (32), and inclined channel steel (33); the specific structure of the base frame (3) is as follows: two C-shaped rails (34) are welded together by two steel plates (31) to form a whole, and the bottom of the whole is welded vertically to the horizontal channel steel (32); one end of the two inclined channel steels (33) is welded to the C-shaped rail (34), and the other end is welded to the mounting surface of the horizontal channel steel (32) away from the lifting cylinder (4).

6. The rectangular billet feeding and moving device in the rolling mill workshop according to claim 1, characterized in that, The connecting fork (9) includes a flat plate (91), a vertical plate (92), and stiffening plates (1.2). The specific structure of the connecting fork (9) is as follows: the flat plate (91) and the vertical plate (92) are fixedly connected, and the included angle between the flat plate (91) and the vertical plate (92) of the connecting fork (9) is 88°. The bottom of the flat plate (91) and the rear end of the vertical plate (92) are both welded with stiffening plates (1.2).

7. The rectangular billet feeding and moving device in a steel rolling mill according to claim 4 or 5, characterized in that, The mobile device also includes a lifting cylinder base (5). The lifting cylinder (4) is specifically configured as follows: the lifting cylinder base (5) and the mounting surface groove of the horizontal channel steel (32) near the lifting cylinder (4) are connected through each other; one end of the lifting cylinder (4) is connected to the lifting cylinder base (5) through a connecting pin (6); the other end of the lifting cylinder (4) is connected to the rear axle of the saddle-shaped plate (23) through a connecting pin (6).

8. The rectangular billet feeding and moving device in the rolling mill workshop according to claim 4, characterized in that, The moving device also includes a translation cylinder head seat (8). The translation cylinder (7) is specifically configured as follows: the translation cylinder head seat (8) is installed on the rear end face of the translation beam (1), one end of the translation cylinder (7) is connected to the translation cylinder head seat (8) through a connecting pin (6), and the other end of the translation cylinder (7) is connected to the front axle of the saddle-shaped plate (23) through a connecting pin (6).

9. The rectangular billet feeding and moving device in the rolling mill workshop according to claim 2 or 4, characterized in that, The transverse wheel (10) is specifically configured as follows: the transverse wheel (10) is installed inside the transverse frame (22) through the mounting holes and nuts of the transverse frame (22), and the guide rail (1.1) of the translation beam (1) contacts the wheel surface and the edge of the transverse wheel (10).

10. The rectangular billet feeding and moving device in a steel rolling mill according to claim 4 or 5, characterized in that, The longitudinal wheel (11) is specifically set as follows: the longitudinal wheel (11) is installed on the inner side of the vertical plate (26) through the mounting hole and nut of the vertical plate (26), and the C-shaped track (34) of the base frame (3) is in contact with the wheel surface and the edge of the longitudinal wheel (11).

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