Hot-rolling feeding device for seamless steel tubes

Abstract

The utility model relates to the technical field of seamless steel pipe processing, in particular to a seamless steel pipe hot rolling feeding device, which is characterized in that a steel billet is directionally conveyed through a conveying assembly after being heated to a discharging temperature, and then enters a to-be-positioned assembly after being transversely conveyed by a transverse moving assembly on the conveying assembly; then the steel billets on the positioning assembly are jacked into the perforating machine through the jacking and moving assembly to be perforated, and the machining flexibility is improved; comprising a bottom plate and further comprises a conveying assembly, a transverse moving assembly and a positioning assembly, the conveying assembly, the transverse moving assembly and the positioning assembly are arranged at the top end of the bottom plate, and the transverse moving assembly is arranged between the conveying assembly and the positioning assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipe processing, in particular to a seamless steel pipe hot rolling feeding device. Background Art

[0002] The seamless steel pipe hot rolling feeding device is an important part related to the seamless steel pipe hot rolling technology. Its main function is to effectively introduce the heated metal billet or pipe material into the hot rolling equipment for subsequent rolling process.

[0003] In the prior art, the patent document with the publication number of CN217941367U discloses a seamless steel pipe hot rolling feeding device, including a conveying seat. The inner surface of the conveying seat is provided with conveying rollers, and the conveying rollers are evenly distributed on the inner surface of the conveying seat. The upper surface of the conveying seat is fixed with an arched seat, the surface of the arched seat is fixed with a hydraulic cylinder, the end face of the hydraulic rod of the hydraulic cylinder is fixed with an arched plate, the inner surface of the arched plate is provided with pressure rollers, the surfaces of the pressure rollers and the conveying rollers are provided with variable diameter closing grooves, one side outer surface of the arched plate is fixed with a motor, the outer surface of the driving shaft of the motor is provided with a driving gear, and the outer surface of one side of the pressure roller is provided with a driven gear. Through the adjustable pressure roller assembly, the steel pipe workpiece can be squeezed and positioned up and down to facilitate driving and conveying. The variable diameter closing groove is used for positioning the steel pipe workpiece to facilitate conveying.

[0004] It is found during the use process that the above device can only convey the billet in a single direction, and its use has certain limitations. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a seamless steel pipe hot rolling feeding device with improved conveying flexibility.

[0006] A seamless steel pipe hot rolling feeding device of the utility model includes a bottom plate, and also includes a conveying component, a lateral moving component and a positioning component. The conveying component, the lateral moving component and the positioning component are arranged at the top end of the bottom plate. The lateral moving component is between the conveying component and the positioning component. After the steel billet is heated to the discharging temperature, it is directionally conveyed through the conveying component. Then, the lateral moving component laterally conveys the steel billet on the conveying component. After that, the steel billet enters the positioning component, and then the steel billet on the positioning component is pushed into the piercing mill by the top moving component for piercing processing, so as to improve the processing flexibility.

[0007] Preferably, the conveying assembly includes a bracket, a rotating shaft, a material guiding wheel, 05, a mounting seat, a motor, a sprocket and a chain. A plurality of groups of brackets are provided at the top end of the bottom plate. A rotating shaft is rotatably provided on each group of brackets. A material guiding wheel is installed on each rotating shaft. A mounting seat is provided at the top end of the bottom plate. A motor is provided at the top end of the mounting seat. The output end of the motor is connected to one end of a rotating shaft. Two groups of sprockets are provided on each rotating shaft. The adjacent two groups of sprockets are driven by a chain; the motor is started, so that a plurality of rotating shafts rotate synchronously under the cooperation of a plurality of sprockets and a plurality of chains, so that a plurality of material guiding wheels cooperate with each other to convey the billets in a directional manner.

[0008] Preferably, the lateral movement assembly includes an inclined guide frame, a rotating shaft, an L-shaped guide rod, a first hydraulic cylinder and a connecting plate. An inclined guide frame is provided at the top end of the bottom plate. A rotating shaft is rotatably provided at one end of the inclined guide frame. A plurality of groups of L-shaped guide rods are equidistantly provided on the rotating shaft. The plurality of groups of L-shaped guide rods are cross-matched with the plurality of groups of brackets. A connecting plate is provided at each of the two ends of the rotating shaft. The bottom ends of the two first hydraulic cylinders are hinged to the top end of the bottom plate. The top ends of the two first hydraulic cylinders are respectively hinged to the bottom ends of the two connecting plates; the two first hydraulic cylinders are operated to extend, so that the plurality of groups of L-shaped guide rods are inside the plurality of groups of brackets. After the plurality of material guiding wheels convey the billets, the two first hydraulic cylinders are operated to shorten, so that the rotating shaft drives the plurality of groups of L-shaped guide rods to perform a clockwise operation. The plurality of groups of L-shaped guide rods cooperate with each other to transfer the billets on the material guiding wheels to the inclined guide frame. The billets move to the positioning assembly under the guidance of the inclined guide frame, improving flexibility.

[0009] Preferably, the positioning assembly includes a lower arc plate, a support rod, an upper arc plate, a vertical rod and a second hydraulic cylinder. The lower arc plate is installed on the top end of the bottom plate through a support rod. An upper arc plate is provided at the top end of the lower arc plate. The lower arc plate is hinged to the upper arc plate. A vertical rod is provided at the top end of the bottom plate. One end of the second hydraulic cylinder is hinged to one end of the vertical rod. The other end of the second hydraulic cylinder is hinged to the top end of the upper arc plate; when the plurality of groups of L-shaped guide rods lift the billets, the second hydraulic cylinder shortens, so that one end of the upper arc plate moves away from the lower arc plate. The billets roll into the inside of the lower arc plate under the guidance of the inclined guide frame. Then the second hydraulic cylinder is operated to extend, and the upper arc plate and the lower arc plate form an enclosed space, preventing steel slag from splashing when the billets are perforated, improving safety.

[0010] Preferably, it further includes guide rods. A plurality of groups of guide rods are provided at the top end of the inclined guide frame; when the billets roll on the inclined guide frame, the plurality of groups of guide rods guide the billets, improving stability.

[0011] Preferably, it further includes a first limiting plate. The first limiting plate is provided at the top end of the bottom plate; the first limiting plate limits the billets conveyed by the plurality of groups of material guiding wheels, improving the conveying accuracy.

[0012] Preferably, it further includes a second limiting plate disposed at the top end of the bottom plate; the second limiting plate limits the opening and closing angle of the upper arc plate.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: After the steel billet is heated to the discharging temperature, it is directionally conveyed through the conveying assembly. Then, after the transverse moving assembly laterally conveys the steel billet on the conveying assembly, the steel billet enters the component to be positioned. Then, the steel billet on the positioning component is pushed into the piercing machine by the top moving assembly for piercing processing, improving the processing flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the axonometric structure schematic diagram of the present utility model;

[0015] Figure 2 is the exploded structure schematic diagram of the present utility model;

[0016] Figure 3 is the enlarged structure schematic diagram of structures such as the motor and the material guiding wheel;

[0017] Figure 4 is the enlarged structure schematic diagram of structures such as the upper arc plate and the second hydraulic cylinder;

[0018] Figure 5 is the enlarged structure schematic diagram of structures such as the first hydraulic cylinder and the L-shaped guide rod.

[0019] Reference numerals in the drawings: 1, bottom plate; 2, bracket; 3, rotating shaft; 4, material guiding wheel; 6, mounting seat; 7, motor; 8, sprocket; 9, chain; 10, inclined guide frame; 11, rotating shaft; 12, L-shaped guide rod; 13, first hydraulic cylinder; 14, connecting plate; 15, lower arc plate; 16, support rod; 17, upper arc plate; 18, vertical rod; 19, second hydraulic cylinder; 20, guide rod; 21, first limiting plate; 22, second limiting plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0021] Embodiment 1

[0022] As Figure 1 , Figure 2 and Figure 5As shown in the figure, a seamless steel pipe hot rolling feeding device of the present utility model includes a bottom plate 1, and further includes a conveying component, a lateral movement component, and a positioning component. The top end of the bottom plate 1 is provided with a conveying component, a lateral movement component, and a positioning component, and the lateral movement component is between the conveying component and the positioning component;

[0023] As Figure 1 , Figure 2 and Figure 3 shown, the conveying component includes a bracket 2, a rotating shaft 3, a material guiding wheel 4, 05, a mounting seat 6, a motor 7, a sprocket 8, and a chain 9. Multiple groups of brackets 2 are provided at the top end of the bottom plate 1. A group of rotating shafts 3 are respectively rotatably provided on each group of brackets 2. A group of material guiding wheels 4 are respectively installed on each group of rotating shafts 3. A mounting seat 6 is provided at the top end of the bottom plate 1. A motor 7 is provided at the top end of the mounting seat 6. The output end of the motor 7 is connected to one end of a group of rotating shafts 3. Two groups of sprockets 8 are respectively provided on each group of rotating shafts 3, and adjacent two groups of sprockets 8 are driven by a chain 9;

[0024] As Figure 1 , Figure 2 and Figure 5 shown, the lateral movement component includes an inclined guide frame 10, a rotating shaft 11, an L-shaped guide rod 12, a first hydraulic cylinder 13, and a connecting plate 14. An inclined guide frame 10 is provided at the top end of the bottom plate 1. One end of the inclined guide frame 10 is rotatably provided with a rotating shaft 11. Multiple groups of L-shaped guide rods 12 are equidistantly provided on the rotating shaft 11. The multiple groups of L-shaped guide rods 12 and the multiple groups of brackets 2 are cross-matched with each other. One group of connecting plates 14 are respectively provided at both ends of the rotating shaft 11. The bottom ends of the two groups of first hydraulic cylinders 13 are hinged to the top end of the bottom plate 1, and the top ends of the two groups of first hydraulic cylinders 13 are respectively hinged to the bottom ends of the two groups of connecting plates 14.

[0025] In this embodiment, the motor 7 is started, so that multiple groups of rotating shafts 3 rotate synchronously under the cooperation of multiple groups of sprockets 8 and multiple groups of chains 9, so that multiple groups of material guiding wheels 4 cooperate with each other to conduct directional conveying of the billet. The two groups of first hydraulic cylinders 13 are operated to extend, so that multiple groups of L-shaped guide rods 12 are inside the multiple groups of brackets 2. After the multiple groups of material guiding wheels 4 convey the billet, the two groups of first hydraulic cylinders 13 are operated to shorten, so that the rotating shaft 11 drives the multiple groups of L-shaped guide rods 12 to perform a clockwise operation. The multiple groups of L-shaped guide rods 12 cooperate with each other to transfer the billet on the material guiding wheels 4 to the inclined guide frame 10, and the billet moves to the positioning component under the guidance of the inclined guide frame 10.

[0026] Embodiment 2

[0027] As Figure 1 , Figure 2 and Figure 5As shown in the figure, a seamless steel pipe hot rolling feeding device of the present utility model includes a bottom plate 1, and also includes a conveying assembly, a lateral moving assembly, and a positioning assembly. The conveying assembly, the lateral moving assembly, and the positioning assembly are arranged at the top end of the bottom plate 1. The lateral moving assembly is located between the conveying assembly and the positioning assembly;

[0028] As Figure 1 , Figure 2 and Figure 3 shown in the figure, the conveying assembly includes a bracket 2, a rotating shaft 3, a material guiding wheel 4, 05, a mounting seat 6, a motor 7, a sprocket 8, and a chain 9. Multiple groups of brackets 2 are arranged at the top end of the bottom plate 1. A rotating shaft 3 is rotatably arranged on each group of brackets 2. A group of material guiding wheels 4 are respectively installed on each group of rotating shafts 3. A mounting seat 6 is arranged at the top end of the bottom plate 1. A motor 7 is arranged at the top end of the mounting seat 6. The output end of the motor 7 is connected to one end of a rotating shaft 3. Two groups of sprockets 8 are respectively arranged on each group of rotating shafts 3. The adjacent two groups of sprockets 8 are driven by a chain 9;

[0029] As Figure 1 , Figure 2 and Figure 5 shown in the figure, the lateral moving assembly includes an inclined guide frame 10, a rotating shaft 11, an L-shaped guide rod 12, a first hydraulic cylinder 13, and a connecting plate 14. The inclined guide frame 10 is arranged at the top end of the bottom plate 1. One end of the inclined guide frame 10 is rotatably provided with a rotating shaft 11. Multiple groups of L-shaped guide rods 12 are equidistantly arranged on the rotating shaft 11. The multiple groups of L-shaped guide rods 12 and the multiple groups of brackets 2 are cross-matched with each other. One group of connecting plates 14 are respectively arranged at both ends of the rotating shaft 11. The bottom ends of the two first hydraulic cylinders 13 are hinged to the top end of the bottom plate 1. The top ends of the two first hydraulic cylinders 13 are respectively hinged to the bottom ends of the two connecting plates 14;

[0030] As Figure 2 and Figure 4 shown in the figure, the positioning assembly includes a lower arc plate 15, a support rod 16, an upper arc plate 17, a vertical rod 18, and a second hydraulic cylinder 19. The lower arc plate 15 is installed at the top end of the bottom plate 1 through the support rod 16. The upper arc plate 17 is arranged at the top end of the lower arc plate 15. The lower arc plate 15 and the upper arc plate 17 are hinged. The vertical rod 18 is arranged at the top end of the bottom plate 1. One end of the second hydraulic cylinder 19 is hinged to one end of the vertical rod 18. The other end of the second hydraulic cylinder 19 is hinged to the top end of the upper arc plate 17;

[0031] It further includes a guide rod 20, a first limit plate 21, and a second limit plate 22. Multiple groups of guide rods 20 are arranged at the top end of the inclined guide frame 10. The first limit plate 21 is arranged at the top end of the bottom plate 1. The second limit plate 22 is arranged at the top end of the bottom plate 1.

[0032] In this embodiment, the motor 7 is started, so that multiple groups of rotating shafts 3 rotate synchronously under the cooperation of multiple groups of sprockets 8 and multiple groups of chains 9, so that multiple groups of material guiding wheels 4 cooperate with each other to convey the billets in a directional manner. The two groups of first hydraulic cylinders 13 are operated to extend, so that multiple groups of L-shaped guide rods 12 are inside multiple groups of brackets 2. After the multiple groups of material guiding wheels 4 convey the billets, the two groups of first hydraulic cylinders 13 are operated to shorten, so that the rotating shaft 11 drives the multiple groups of L-shaped guide rods 12 to perform a clockwise operation. The multiple groups of L-shaped guide rods 12 cooperate with each other to transfer the billets on the material guiding wheels 4 to the inclined guide frame 10. When the multiple groups of L-shaped guide rods 12 lift the billets, the second hydraulic cylinder 19 shortens, so that one end of the upper arc-shaped plate 17 moves away from the lower arc-shaped plate 15. The billets roll into the inside of the lower arc-shaped plate 15 under the guidance of the inclined guide frame 10. Then the second hydraulic cylinder 19 is operated to extend, and the upper arc-shaped plate 17 and the lower arc-shaped plate 15 form an enclosed space, preventing steel slag from splashing when the billets are perforated and improving safety.

[0033] The first hydraulic cylinder 13 and the second hydraulic cylinder 19 of a seamless steel pipe hot rolling feeding device of the present utility model are purchased on the market. Those skilled in the art only need to install and operate them according to the attached operation manuals, without the need for creative labor from those skilled in the art.

[0034] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A seamless steel pipe hot rolling feeding device, comprising a bottom plate (1), characterized in that: It also includes a conveying assembly, a lateral movement assembly and a positioning assembly. The top of the bottom plate (1) is provided with the conveying assembly, the lateral movement assembly and the positioning assembly, and the lateral movement assembly is between the conveying assembly and the positioning assembly. The conveying assembly comprises a bracket (2), a rotating shaft (3), a guide wheel (4), a 05, a mounting seat (6), a motor (7), a sprocket (8) and a chain (9); a plurality of brackets (2) are arranged at the top of the bottom plate (1); a group of rotating shafts (3) are rotatably arranged on each bracket (2); a group of guide wheels (4) are respectively mounted on each rotating shaft (3); a mounting seat (6) is arranged at the top of the bottom plate (1); a motor (7) is arranged at the top of the mounting seat (6); an output end of the motor (7) is connected to one end of a group of rotating shafts (3); two groups of sprockets (8) are respectively arranged on each rotating shaft (3); and transmission is transmitted between two adjacent groups of sprockets (8) via a chain (9); The transverse movement assembly comprises an inclined guide frame (10), a rotating shaft (11), an L-shaped guide rod (12), a No. 1 hydraulic cylinder (13) and a connecting plate (14); the top of the bottom plate (1) is provided with an inclined guide frame (10); one end of the inclined guide frame (10) is rotatably provided with a rotating shaft (11); a plurality of groups of L-shaped guide rods (12) are arranged at equal intervals on the rotating shaft (11); the plurality of groups of L-shaped guide rods (12) and the plurality of groups of brackets (2) are cross-matched with each other; a group of connecting plates (14) are respectively arranged at both ends of the rotating shaft (11); the bottom ends of the two groups of No. 1 hydraulic cylinders (13) are hinged to the top of the bottom plate (1); and the top ends of the two groups of No. 1 hydraulic cylinders (13) are respectively hinged to the bottom ends of the two groups of connecting plates (14); The positioning assembly comprises a lower arc plate (15), a support rod (16), an upper arc plate (17), a vertical rod (18) and a second hydraulic cylinder (19); the lower arc plate (15) is mounted on the top of the base plate (1) through the support rod (16); the upper arc plate (17) is arranged on the top of the lower arc plate (15); the lower arc plate (15) and the upper arc plate (17) are hinged; the vertical rod (18) is arranged on the top of the base plate (1); one end of the second hydraulic cylinder (19) is hinged to one end of the vertical rod (18); and the other end of the second hydraulic cylinder (19) is hinged to the top of the upper arc plate (17).

2. A seamless steel pipe hot rolling feeding device as claimed in claim 1, characterized in that: It also comprises guide rods (20), and a plurality of groups of guide rods (20) are arranged on the top end of the inclined guide frame (10).

3. A seamless steel pipe hot rolling feeding device as claimed in claim 1, characterized in that: It also comprises a first limiting plate (21), and the top end of the bottom plate (1) is provided with the first limiting plate (21).

4. A seamless steel pipe hot rolling feeding device as claimed in claim 1, characterized in that: It also comprises a second limiting plate (22), and the top end of the bottom plate (1) is provided with the second limiting plate (22).

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