Turnover device of seamless steel pipe inner hole sharpening machine

Abstract

The utility model relates to the technical field of seamless steel pipe machining, and discloses a seamless steel pipe inner hole sharpening machine turnover device which comprises a bottom plate, a fixed cabinet is fixedly connected to the upper surface of the bottom plate, a lead screw is rotationally connected to the interior of the fixed cabinet, and a first motor is fixedly connected to the top end of the fixed cabinet. And an output shaft of the first motor is fixedly connected with the end of a lead screw, a sliding block is in threaded connection with the rod wall of the lead screw, a connecting frame is fixedly connected with the side wall of the sliding block, and the connecting frame extends to the outer side of the fixed cabinet and is fixedly connected with a second motor. According to the clamping plates, limiting blocks are pushed by springs in the clamping plates to extend into limiting grooves, the stability of the clamping plates in the connecting frame is kept, the inner hole sharpening machine can be stably used, when the inner hole sharpening machine needs to be turned over subsequently, an output shaft of a second motor can rotate to drive the connecting frame to turn over and rotate, and therefore the inner hole sharpening machine can be conveniently used. And the inner hole sharpening machine is turned over and adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipe processing, in particular to a turnover device for an internal hole grinding machine of seamless steel pipes. Background Art

[0002] Seamless steel pipe is a kind of pipeline material used for transporting fluids, gases and solids, without any welded joints, so it has higher strength and pressure resistance. Seamless steel pipes are usually made of materials such as carbon steel, alloy steel, stainless steel, etc., and are widely used in the fields of petroleum, chemical industry, electric power, aerospace, etc. Its production processes include hot rolling, cold drawing, cold rolling and other methods, and seamless steel pipes of various specifications and materials can be produced to meet different needs.

[0003] In the prior art, during the processing of seamless steel pipes, drilling treatment is carried out inside the seamless steel pipes. In order to ensure the quality of drilling, die repair treatment needs to be carried out on the inner wall of the holes of the seamless steel pipes, and an internal hole grinding machine is required. For some seamless steel pipes with longer lengths, the processing length of the internal hole grinding machine is insufficient, and the internal hole grinding machine needs to be turned over for processing from the other end of the seamless steel pipe. However, when the internal hole grinding machine is in use, it will generate vibrations, and it is difficult to ensure a stable clamping effect on the internal hole grinding machine during turning, which affects the stability of the internal hole grinding machine during use. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problem that in the prior art, for some seamless steel pipes with longer lengths, the processing length of the internal hole grinding machine is insufficient, and the internal hole grinding machine needs to be turned over for processing from the other end of the seamless steel pipe. However, when the internal hole grinding machine is in use, it will generate vibrations, and it is difficult to ensure a stable clamping effect on the internal hole grinding machine during turning, which affects the stability of the internal hole grinding machine during use, and a turnover device for an internal hole grinding machine of seamless steel pipes is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A turnover device for an internal hole grinding machine of seamless steel pipes includes a bottom plate. The upper surface of the bottom plate is fixedly connected with a fixed cabinet. A lead screw is rotatably connected inside the fixed cabinet. The top end of the fixed cabinet is fixedly connected with a first motor. The output shaft of the first motor is fixedly connected with the end of the lead screw. A slider is threadedly connected to the rod wall of the lead screw. A connecting frame is fixedly connected to the side wall of the slider. The connecting frame extends to the outside of the fixed cabinet and is fixedly connected with a second motor. The end of the output shaft of the second motor is fixedly connected with a connecting frame. Two clamping plates are slidably arranged inside the connecting frame.

[0007] Preferably, the clamping plates are arranged as curved plates, and anti-slip pads are respectively fixedly connected to the opposite sides of the two clamping plates.

[0008] Preferably, a strip groove is provided on the inner wall of the connection frame, a movable block is fixedly connected to the side wall of the clamping plate, and the movable block is slidably arranged on the inner wall of the strip groove.

[0009] Preferably, the inner walls of the splint and the movable block are both provided with cavities, the inner walls of the cavities are fixedly connected with springs, the ends of the springs are fixedly connected with limiting blocks, the inner walls of the connecting frame located in the strip grooves are provided with a plurality of limiting grooves, and the limiting blocks are plugged into the inner walls of the limiting grooves.

[0010] Preferably, a pull rope is fixedly connected to the connection between the limit block and the spring, and one end of the pull rope facing away from the limit block extends to the outside of the splint and is fixedly connected to a pull ring.

[0011] Preferably, the side wall of the limiting block is provided with a rounded corner, and the inner wall of the connecting frame located at the limiting groove matches the limiting block.

[0012] Compared with the prior art, the utility model provides a turning device for a seamless steel pipe inner hole grinding machine, which has the following beneficial effects:

[0013] 1. The flipping device of the seamless steel pipe inner hole grinding machine pushes the limit block to extend to the inside of the limit groove through the internal spring of the clamping plate, so that the clamping plate maintains stability inside the connecting frame, and the inner hole grinding machine can be used stably. When the inner hole grinding machine needs to be flipped later, the output shaft of the second motor can drive the connecting frame to flip and rotate, so that the inner hole grinding machine can be flipped and adjusted.

[0014] 2. The turning device of the seamless steel pipe inner hole grinding machine can drive the screw to rotate through the rotation of the output shaft of the first motor, and the rotation of the screw can drive the slider to move, so that the movement of the slider drives the connection frame to move, and drives the second motor and the connection frame to move. When the inner hole grinding machine is used for processing, the inner hole grinding machine is adjusted, and the anti-skid pad can prevent slipping when the splint is clamped.

[0015] 3. The turning device of the seamless steel pipe inner hole grinding machine can pull the pull rope to move by pulling the pull ring, so that the limit block shrinks to the inside of the cavity, and the clamping plate is adjusted along the inner wall of the strip groove through the movable block, so that the clamping plate can stably clamp inner hole grinding machines of different models and specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a turning device for a seamless steel pipe inner hole grinding machine proposed by the utility model;

[0017] Figure 2 for Figure 1 A top view of the structure of the middle connection frame;

[0018] Figure 3 for Figure 2Schematic enlarged view of the structure of part A of the middle part.

[0019] In the figure: 1 bottom plate, 2 fixed cabinet, 3 lead screw, 4 first motor, 5 slider, 6 connecting frame, 7 second motor, 8 connecting frame, 9 clamping plate, 10 anti-slip pad, 11 movable block, 12 spring, 13 limiting block, 14 pull rope, 15 pull ring. Specific implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0021] Refer to Figures 1-3 , a seamless steel pipe inner hole grinding machine flipping device, including a bottom plate 1, the upper surface of the bottom plate 1 is fixedly connected with a fixed cabinet 2, the inside of the fixed cabinet 2 is rotatably connected with a lead screw 3, the top of the fixed cabinet 2 is fixedly connected with a first motor 4, the output shaft of the first motor 4 is fixedly connected with the end of the lead screw 3, the rod wall of the lead screw 3 is threadedly connected with a slider 5, the side wall of the slider 5 is fixedly connected with a connecting frame 6, the connecting frame 6 extends to the outside of the fixed cabinet 2 and is fixedly connected with a second motor 7, the output shaft end of the second motor 7 is fixedly connected with a connecting frame 8, two clamping plates 9 are slidably arranged inside the connecting frame 8, the clamping plates 9 are arranged as curved plates, and anti-slip pads 10 are fixedly connected to the corresponding sides of the two clamping plates 9 respectively.

[0022] A strip-shaped groove is opened on the inner wall of the connecting frame 8, a movable block 11 is fixedly connected to the side wall of the clamping plate 9, the movable block 11 is slidably arranged on the inner wall of the strip-shaped groove, cavities are opened on the inner walls of the clamping plate 9 and the movable block 11 at the same time, a spring 12 is fixedly connected to the inner wall of the cavity, a limiting block 13 is fixedly connected to the end of the spring 12, and a plurality of limiting grooves are opened on the inner wall of the connecting frame 8 where the strip-shaped groove is located, and the limiting block 13 is inserted into the inner wall of the limiting groove.

[0023] In the prior art, during the use of the inner hole grinding machine, the inner hole grinding machine is placed inside the two clamping plates 9 for clamping and fixing. The clamping plates 9 can push the limiting blocks 13 to extend into the inner part of the limiting grooves through the internal springs 12, which can keep the clamping plates 9 stable inside the connecting frame 8 and enable the inner hole grinding machine to be used stably. Subsequently, when it is necessary to flip the inner hole grinding machine, the output shaft of the second motor 7 rotates to drive the connecting frame 8 to flip and rotate, so that the inner hole grinding machine is flipped and adjusted. The output shaft of the first motor 4 rotates to drive the lead screw 3 to rotate, and the lead screw 3 rotates to drive the slider 5 to move, so that the slider 5 moves to drive the connecting frame 6 to move, which can drive the second motor 7 and the connecting frame 8 to move, and can adjust the inner hole grinding machine during the processing and use of the inner hole grinding machine. The anti-slip pads 10 can prevent slipping when the clamping plates 9 clamp.

[0024] In order to flexibly adjust the position of the clamping plate 9, as Figures 1-3 As shown, a pull rope 14 is fixedly connected to the connection between the limit block 13 and the spring 12, and the end of the pull rope 14 away from the limit block 13 extends to the outside of the splint 9 and is fixedly connected to a pull ring 15. The side wall of the limit block 13 is provided with a chamfered corner, and the connecting frame 8 is located on the inner wall of the limit groove and matches the limit block 13.

[0025] Pulling the pull ring 15 can pull the pull rope 14 to move, so that the limit block 15 shrinks to the inside of the cavity, and the clamping plate 9 can be adjusted along the inner wall of the strip groove through the movable block 11, so that the clamping plate 9 can stably clamp internal hole grinding machines of different models and specifications.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A turning device for a seamless steel pipe inner hole grinding machine, comprising a bottom plate (1), characterized in that: The upper surface of the bottom plate (1) is fixedly connected to a fixed cabinet (2), the interior of the fixed cabinet (2) is rotatably connected to a screw rod (3), the top of the fixed cabinet (2) is fixedly connected to a first motor (4), the output shaft of the first motor (4) is fixedly connected to the end of the screw rod (3), a slider (5) is threadedly connected to the rod wall of the screw rod (3), a connecting frame (6) is fixedly connected to the side wall of the slider (5), the connecting frame (6) extends to the outside of the fixed cabinet (2) and is fixedly connected to a second motor (7), the end of the output shaft of the second motor (7) is fixedly connected to a connecting frame (8), and two clamping plates (9) are slidably provided inside the connecting frame (8).

2. The turning device of the inner hole grinding machine of seamless steel pipe according to claim 1 is characterized in that: The clamping plates (9) are configured as curved plates, and corresponding sides of the two clamping plates (9) are respectively fixedly connected with anti-slip pads (10).

3. The turning device of the inner hole grinding machine of seamless steel pipe according to claim 1 is characterized in that: The inner wall of the connection frame (8) is provided with a strip groove, and a movable block (11) is fixedly connected to the side wall of the clamping plate (9), and the movable block (11) is slidably arranged on the inner wall of the strip groove.

4. The turning device of the seamless steel pipe inner hole grinding machine according to claim 3 is characterized in that: The inner walls of the clamping plate (9) and the movable block (11) are provided with cavities at the same time, the inner wall of the cavity is fixedly connected with a spring (12), the end of the spring (12) is fixedly connected with a limiting block (13), the inner wall of the connecting frame (8) located in the strip groove is provided with a plurality of limiting grooves, and the limiting block (13) is plugged into the inner wall of the limiting groove.

5. The turning device of the inner hole grinding machine of seamless steel pipe according to claim 4 is characterized in that: A pull rope (14) is fixedly connected to the connection between the limit block (13) and the spring (12); one end of the pull rope (14) facing away from the limit block (13) extends to the outside of the clamping plate (9) and is fixedly connected to a pull ring (15).

6. The turning device of the inner hole grinding machine of seamless steel pipe according to claim 4, characterized in that: The side wall of the limiting block (13) is provided with a rounded corner, and the connecting frame (8) is located on the inner wall of the limiting groove and matches the limiting block (13).

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