Straightening machine for seamless steel pipe machining

Abstract

The straightening machine comprises an integrated frame and electric push rods A. The two sets of electric push rods A are installed at the top end of the integrated frame, two sets of motors A are installed in the integrated frame, a limiting ring is installed on the outer wall of the integrated frame, and push arms A are installed at the output ends of the electric push rods A; sliding rails are symmetrically installed on the inner wall of the integrated frame, sliding blocks are installed on the surfaces of the sliding rails in a sliding mode, L-shaped frames are arranged outside the sliding rails and fixedly connected with A push arms, connecting shafts are installed on the surfaces of the A push arms in a sliding mode, and springs are arranged on the surfaces, on one sides of the connecting shafts, of the A push arms. According to the device, the seamless steel pipe is conveniently and elastically extruded in a linkage mode, iron rust on the surface of the steel pipe is ground in an advancing surrounding mode, the iron rust on the outer wall of the steel pipe is conveniently cleaned, and the rolling and straightening effect of the seamless steel pipe and the smoothness of the surface of the seamless steel pipe are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to straightening press technical field, concretely is a straightening press for seamless steel pipe machining. BACKGROUND

[0002] The straightening press for seamless steel pipe machining is a kind of equipment specially used to straighten the seamless steel pipe, and straightening refers to the process of restoring the steel pipe to the original straight state after bending or twisting. Through the straightening press, the steel pipe can be precisely controlled and adjusted in size, shape and straightness by a series of straightening rollers or straightening wheels. However, the surface of the seamless steel pipe may have rust during production. Traditional straightening presses do not have the function of synchronous rust polishing. To improve this situation, a straightening press for seamless steel pipe machining is proposed.

[0003] As disclosed in the authorized announcement No. CN219581406U, a straightening press for stainless steel seamless pipe machining includes a main body, two installation tables are bolted to the top ends of the main body, limit grooves are opened on the end faces of the installation tables, sliding blocks are movably connected to the inner walls of the limit grooves, screw rods are rotatably connected to the upper end faces of the sliding blocks, upper rotating rollers are rotatably connected to the middle parts of the sliding blocks, upper straightening rollers are fixedly connected to the middle parts of the upper rotating rollers, first chain wheels are fixedly connected to the outer curved surfaces of the side ends of the upper straightening rollers, second chain wheels are rotatably connected to the outer ends of the first chain wheels through chains, first motors are fixedly connected to the middle parts of the side ends of the second chain wheels, lower rotating rollers are rotatably connected to the inner walls of the main body, and lower straightening rollers are fixedly connected to the middle parts of the lower rotating rollers.

[0004] Although the straightening press realizes the adjustment function of the clamping gap between the upper straightening roller and the lower straightening roller, thereby avoiding the problem of loosening and increasing of the clamping gap of the straightening device after long-term use, it does not solve the problem that the existing straightening press is not convenient for linkage elastic extrusion of the seamless steel pipe and the traveling type around polishing of the rust on the surface of the steel pipe, which is not conducive to cleaning the rust on the outer wall of the steel pipe, and affects the effect of roll straightening of the seamless steel pipe and the smoothness of the surface of the seamless steel pipe. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a straightening press for seamless steel pipe machining to solve the problem that the straightening press is not convenient for linkage elastic extrusion of the seamless steel pipe and the traveling type around polishing of the rust on the surface of the steel pipe, which is not conducive to cleaning the rust on the outer wall of the steel pipe, and affects the effect of roll straightening of the seamless steel pipe and the smoothness of the surface of the seamless steel pipe.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a straightening machine for seamless steel pipe processing, including integrated frame and A electric push rod, the top of integrated frame is installed two groups A electric push rod, the inside of integrated frame is installed two groups A motor, the outer wall of integrated frame is installed and is limited ring, the output all of A electric push rod is installed A push arm, the inner wall of integrated frame is installed symmetrically slide rail, the surface of slide rail all is installed slide block, the outside of slide rail is provided with L type frame, and L type frame is connected with A push arm fixedly, the surface all of A push arm is installed connecting shaft, the surface of A push arm of connecting shaft side all is provided with spring, and the upper and lower ends of spring are connected with L type frame, connecting shaft respectively, the surface all of connecting shaft is installed and is pressed down the roller.

[0007] Preferably, the output end of the A motor is installed with A drive shaft, and the A drive shaft is movably connected with the integrated frame.

[0008] Preferably, the surface of the A drive shaft is provided with a drive roller, and the drive roller is fixedly connected with the A drive shaft.

[0009] Preferably, the inside of the limit ring is slidably installed with a gear ring, and the inner wall of the gear ring is symmetrically installed with a connecting plate.

[0010] Preferably, the top of the limit ring is installed with a B motor, and the output end of the B motor is installed with a B drive shaft.

[0011] Preferably, the surface of the B drive shaft is sleeved with a gear, and the gear is meshed with the gear ring.

[0012] Preferably, the side wall of the connecting plate is installed with a B electric push rod, and the output end of the B electric push rod is installed with a B push arm.

[0013] Preferably, the end of the B push arm away from the connecting plate is provided with a polishing block, and the polishing block is fixedly connected with the B push arm.

[0014] Compared with the prior art, the straightening machine has the advantages that: the straightening machine not only realizes convenient linkage elastic extrusion of the seamless steel pipe and marching type surrounding polishing of the rust on the surface of the steel pipe, but also improves the effect of the seamless steel pipe roll pressing and straightening and the smoothness of the surface of the seamless steel pipe.

[0015] (1) through the seamless steel tube to be straightened by placing between the lower pressure roller and drive roller, by A electric push rod driven A push arm down, by A push arm driven L type frame down, by L type frame driven spring and connecting shaft down, by connecting shaft driven lower pressure roller down and contact to the upper surface of seamless steel tube, under the continuous action of A electric push rod, to make the lower surface of seamless steel tube and drive roller contact, by spring to provide elastic support to connecting shaft, to always provide a downward force to connecting shaft and drive lower pressure roller always contact with the upper surface of steel pipe, to improve the effect of roll straightening, by A motor through A drive shaft drive roller rotation, under the cooperation of multiple drive roller and lower pressure roller, to drive seamless steel pipe movement and roll straightening, realize the convenient linkage elastic extrusion seamless steel pipe, reduce the fatigue of lower pressure roller after long time use, unable to tightly contact with the surface of steel pipe, improve the effect of seamless steel pipe roll straightening;

[0016] (2) through the seamless steel pipe is straightened, by drive roller drive straightened steel pipe continuously moves to the inside of the limit ring, by B electric push rod drive B push arm, by B push arm drive polishing block, to make the polishing block contact to the outer wall of steel pipe, by B motor drive B drive shaft rotation, by B drive shaft drive gear rotation, by gear drive gear ring rotation in the limit ring, by gear ring drive connecting plate and polishing block rotation, by polishing block to the outer wall of steel pipe for around polishing rust, to improve the smoothness of the surface of seamless steel pipe, realize the convenient traveling around polishing the rust on the surface of steel pipe, facilitate the cleaning of rust on the outer wall of steel pipe, improve the smoothness of the surface of seamless steel pipe. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is three-dimensional perspective structure schematic diagram of the utility model's integrated frame;

[0019] Figure 3 It is side view cross section structure schematic diagram of the utility model;

[0020] Figure 4 It is three-dimensional structure schematic diagram of the utility model's polishing block;

[0021] Figure 5 It is three-dimensional structure schematic diagram of the utility model's gear ring and limit ring.

[0022] In the figure: 1, integrated frame; 2, A electric push rod; 3, limit ring; 4, A motor; 5, drive roller; 6, down roller; 7, A push arm; 8, L-shaped frame; 9, spring; 10, sliding rail; 11, sliding block; 12, B motor; 13, B drive shaft; 14, gear; 15, B electric push rod; 16, B push arm; 17, polishing block; 18, connecting plate; 19, gear ring; 20, connecting shaft; 21, A drive shaft. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides an embodiment: a straightening machine for seamless steel pipe processing, including integrated frame 1 and A electric push rod 2, integrated frame 1's top end is installed with two groups A electric push rod 2, A electric push rod 2 plays the role of power drive, integrated frame 1's inside is installed with two groups A motor 4, A motor 4 plays the role of power drive, integrated frame 1's outer wall is installed with limit ring 3, A electric push rod 2's output all are installed with A push arm 7, integrated frame 1's inner wall is installed with symmetrically sliding rail 10, sliding rail 10's surface all are slidably installed with sliding block 11, sliding rail 10's outside is provided with L-shaped frame 8, and L-shaped frame 8 is fixedly connected with A push arm 7, A push arm 7's surface all are slidably installed with connecting shaft 20, A push arm 7's surface on connecting shaft 20 side all are provided with spring 9, and the upper and lower ends of spring 9 are connected with L-shaped frame 8 and connecting shaft 20 respectively, connecting shaft 20's surface all are movably installed with down roller 6;

[0025] A motor 4's output all are installed with A drive shaft 21, and A drive shaft 21 is movably connected with integrated frame 1, A drive shaft 21's surface all are provided with drive roller 5, and drive roller 5 is fixedly connected with A drive shaft 21;

[0026] The seamless steel pipe to be straightened is placed between the lower pressing roller 6 and the driving roller 5, the A electric push rod 2 is turned on, the A push arm 7 is driven by the A electric push rod 2 to move downward, the L-shaped frame 8 is driven by the A push arm 7 to move downward under the sliding cooperation of the sliding block 11 and the sliding rail 10, the spring 9 and the connecting shaft 20 are driven by the L-shaped frame 8 to move downward, the lower pressing roller 6 is driven by the connecting shaft 20 to move downward and contact the upper surface of the seamless steel pipe, under the continuous action of the A electric push rod 2, the lower surface of the seamless steel pipe is in contact with the driving roller 5, the spring 9 provides elastic support for the connecting shaft 20, always provides a downward force for the connecting shaft 20 and drives the lower pressing roller 6 to always contact the upper surface of the steel pipe, improves the effect of roller pressing and straightening, then the A motor 4 is turned on, the driving roller 5 is driven by the A motor 4 to rotate through the A driving shaft 21, under the cooperation of a plurality of driving rollers 5 and lower pressing rollers 6, the seamless steel pipe is driven to move and is subjected to roller pressing and straightening, realizes convenient linkage elastic extrusion of the seamless steel pipe, reduces the situation that the lower pressing roller cannot be tightly attached to the surface of the steel pipe due to fatigue after long time use, and improves the effect of seamless steel pipe roller pressing and straightening.

[0027] The inside of the limiting ring 3 is slidably installed with a gear ring 19, the inner wall of the gear ring 19 is symmetrically installed with a connecting plate 18, the top end of the limiting ring 3 is installed with a B motor 12, the B motor 12 plays a role of power driving, the output end of the B motor 12 is installed with a B driving shaft 13.

[0028] The surface of the B driving shaft 13 is sleeved with a gear 14, and the gear 14 is meshed with the gear ring 19, the side wall of the connecting plate 18 is installed with a B electric push rod 15, the B electric push rod 15 plays a role of power driving, the output end of the B electric push rod 15 is installed with a B push arm 16.

[0029] The end of the B push arm 16 away from the connecting plate 18 is provided with a polishing block 17, and the polishing block 17 is fixedly connected with the B push arm 16.

[0030] After the seamless steel pipe is straightened, the straightened steel pipe is continuously moved to the inside of the limiting ring 3 by the driving roller 5, at this time, the B electric push rod 15 is turned on, the B push arm 16 is driven by the B electric push rod 15 to move, the polishing block 17 is driven by the B push arm 16 to move, so that the polishing block 17 contacts the outer wall of the steel pipe, then the B motor 12 is turned on, the B driving shaft 13 is driven by the B motor 12 to rotate, the gear 14 is driven by the B driving shaft 13 to rotate, under the mutual meshing of the gear 14 and the gear ring 19, the gear ring 19 is driven by the gear 14 to rotate in the limiting ring 3, the connecting plate 18 and the polishing block 17 are driven by the gear ring 19 to rotate, the polishing block 17 is used to polish and rust the outer wall of the steel pipe in a surrounding manner, so as to improve the smoothness of the surface of the seamless steel pipe, realizes convenient traveling type surrounding polishing of the rust on the surface of the steel pipe, facilitates cleaning of the rust on the outer wall of the steel pipe, and improves the smoothness of the surface of the seamless steel pipe.

[0031] Working principle: by A electric push rod 2 drive A push arm 7 to move down, in the sliding block 11 and slide rail 10 sliding fit under, by A push arm 7 drive L type frame 8 to move down, by L type frame 8 drive spring 9 and connecting shaft 20 to move down, by connecting shaft 20 drive down pressure roller 6 to move down and contact to the upper surface of seamless steel pipe, under the continuous action of A electric push rod 2, to make the lower surface of seamless steel pipe and drive roller 5 contact, by spring 9 to provide elastic support to connecting shaft 20, to always provide a downward force to connecting shaft 20 and drive down pressure roller 6 always contact with the upper surface of steel pipe, to improve the effect of roller pressure straightening, by A motor 4 through A drive shaft 21 drive drive roller 5 rotation, under the cooperation of multiple groups of drive roller 5 and down pressure roller 6, to drive seamless steel pipe movement and roller pressure straightening, when the seamless steel pipe is straightened, by drive roller 5 drive straightening finished steel pipe continuous movement to the inside of limit ring 3, by B electric push rod 15 drive B push arm 16 to move, by B push arm 16 drive polishing block 17 to move, to make polishing block 17 contact to the outer wall of steel pipe, by B motor 12 drive B drive shaft 13 rotation, by B drive shaft 13 drive gear 14 rotation, by gear 14 drive gear ring 19 rotation in the inside of limit ring 3, by gear ring 19 drive connecting plate 18 and polishing block 17 rotation, by polishing block 17 to the outer wall of steel pipe for around type polishing rust, to improve the smoothness of the surface of seamless steel pipe, above is the whole use content of straightening machine for seamless steel pipe processing.

Claims

1. A straightening machine for seamless steel pipe processing, comprising an integrated frame (1) and an electric push rod (2), characterized in that: Two sets of A electric push rods (2) are installed at the top of the integrated frame (1). Two sets of A motors (4) are installed inside the integrated frame (1). Limiting rings (3) are installed on the outer wall of the integrated frame (1). A push arm (7) is installed at the output end of each of the A electric push rods (2). Slide rails (10) are symmetrically installed on the inner wall of the integrated frame (1). Slider (11) is slidably installed on the surface of each slide rail (10). An L-shaped frame (8) is provided outside the slide rail (10), and the L-shaped frame (8) is fixedly connected to the A push arm (7). A connecting shaft (20) is slidably installed on the surface of each A push arm (7). A spring (9) is provided on the surface of each A push arm (7) on one side of the connecting shaft (20), and the upper and lower ends of the spring (9) are respectively connected to the L-shaped frame (8) and the connecting shaft (20). A lower pressure roller (6) is movably installed on the surface of each connecting shaft (20).

2. The straightening machine for seamless steel pipe processing according to claim 1, characterized in that: The output end of each motor A (4) is equipped with a drive shaft A (21), and the drive shaft A (21) is movably connected to the integrated frame (1).

3. A straightening machine for seamless steel pipe processing according to claim 2, characterized in that: The surface of the A drive shaft (21) is provided with drive rollers (5), and the drive rollers (5) are fixedly connected to the A drive shaft (21).

4. A straightening machine for seamless steel pipe processing according to claim 1, characterized in that: A toothed ring (19) is slidably installed inside the limiting ring (3), and connecting plates (18) are symmetrically installed on the inner wall of the toothed ring (19).

5. A straightening machine for seamless steel pipe processing according to claim 1, characterized in that: The top end of the limiting ring (3) is equipped with a B motor (12), and the output end of the B motor (12) is equipped with a B drive shaft (13).

6. A straightening machine for seamless steel pipe processing according to claim 5, characterized in that: The surface of the B drive shaft (13) is fitted with a gear (14), and the gear (14) meshes with the gear ring (19).

7. A straightening machine for seamless steel pipe processing according to claim 4, characterized in that: Each of the connecting plates (18) is equipped with a B electric push rod (15) on its side wall, and each of the B electric push rods (15) is equipped with a B push arm (16) at its output end.

8. A straightening machine for seamless steel pipe processing according to claim 7, characterized in that: Each of the B push arms (16) is provided with a grinding block (17) at the end away from the connecting plate (18), and the grinding block (17) is fixedly connected to the B push arm (16).

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