Polishing device for large nickel alloy seamless steel pipe

Abstract

The utility model relates to a large nickel alloy seamless steel pipe polishing device which comprises a machine frame, a polishing mechanism and a clamping mechanism are arranged on the machine frame, the polishing mechanism comprises a sliding seat, a rotating ring and a polishing block, and the sliding seat is arranged on the machine frame in a sliding mode and is in transmission connection with a first driving source. The rotating ring is rotationally arranged on the sliding seat and is in transmission connection with the second driving source, the polishing block is arranged on the inner wall of the rotating ring, the clamping mechanism comprises a fixed clamping seat and a movable clamping seat, and the fixed clamping seat is fixedly arranged on the rack and located on one side of the rotating ring; the movable clamping seat is arranged on the rack in a sliding mode and located on the other side of the rotating ring, the movable clamping seat is in transmission connection with the third driving source, and a first clamping inserting sleeve and a second clamping inserting sleeve which are located on the same axis with the rotating ring are fixedly arranged on the fixed clamping seat and the movable clamping seat respectively. When the polishing device for the large nickel alloy seamless steel pipe is used for polishing operation, the steel pipe is kept fixed, energy consumption is reduced, better economic benefits are achieved, and higher safety is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of seamless steel pipe processing, in particular to a polishing device for large-scale nickel alloy seamless steel pipes. Background Art

[0002] During the production process, the surface of nickel alloy seamless steel pipes needs to be polished. The polishing device in the prior art generally drives the seamless steel pipe to rotate and cooperates with a grinding wheel or abrasive belt to polish the surface of the seamless steel pipe. However, when polishing large nickel alloy seamless steel pipes, due to the large diameter and mass of the seamless steel pipes, a high-power drive device is required to drive the seamless steel pipes to rotate. The polishing operation consumes a lot of energy and has poor economic benefits. In addition, when driving the large nickel alloy seamless steel pipes to rotate, due to the large inertia, there is a great difficulty in safety protection.

[0003] In view of the above problems, the present invention makes improvements. Summary of the invention

[0004] The utility model provides a polishing device for a large-scale nickel alloy seamless steel pipe, which solves the above-mentioned problems existing in the prior art during use.

[0005] The technical solution of the utility model is achieved in this way:

[0006] A polishing device for large nickel alloy seamless steel pipes comprises a frame, on which a polishing mechanism and a clamping mechanism are arranged, the polishing mechanism comprises a sliding seat, a rotating ring and a polishing block, the sliding seat is slidably arranged on the frame and is transmission-connected to a first driving source, the rotating ring is rotationally arranged on the sliding seat and is transmission-connected to a second driving source, the polishing block is arranged on the inner wall of the rotating ring, the clamping mechanism comprises a fixed clamping seat and a movable clamping seat, the fixed clamping seat is fixedly arranged on the frame on one side of the rotating ring, the movable clamping seat is slidably arranged on the frame on the other side of the rotating ring and the movable clamping seat is transmission-connected to a third driving source, and the fixed clamping seat and the movable clamping seat are respectively fixedly provided with a first clamping sleeve and a second clamping sleeve which are located on the same axis as the rotating ring and have opposite end faces.

[0007] Preferably, the frame is provided with two first linear slide rails parallel to the axis of the rotating ring, the sliding seat is fixedly connected to the slide seat of the first linear slide rail, two support plates are vertically arranged on the sliding seat, the support plates are provided with mounting holes matching the ends of the rotating ring, and the two ends of the rotating ring are respectively rotatably arranged in the mounting holes of the two support plates.

[0008] Preferably, each side end of the sliding seat is fixedly connected to a first transmission block, and two first transmission screws respectively screwed into the two first transmission blocks are rotatably arranged on the frame, and each end of the two first transmission screws is fixedly connected to a first synchronous wheel, and the first driving source is a first motor arranged under the frame, and two second synchronous wheels are fixedly connected to the output shaft of the first motor, and the two first synchronous wheels are respectively connected one by one with the two second synchronous wheels through synchronous belts.

[0009] Preferably, a bracket is provided on the sliding seat at one side of the rotating ring, a pulley is rotatably provided on the bracket, the second driving source is a second motor provided on the bracket, the second motor is transmission connected to the pulley, a belt groove is opened on the side surface of the rotating ring, and the pulley is connected to the rotating ring by a belt sleeved in the belt groove.

[0010] Preferably, the frame is provided with two second linear slide rails parallel to the axis of the rotating ring, the movable clamp seat is fixedly connected to the slide seat of the second linear slide rail and a second transmission block is fixedly connected below the movable clamp seat, a second transmission screw screwed in the second transmission block is rotatably provided on the frame, a third synchronous wheel is fixedly connected to the end of the second transmission screw, the third driving source is a third motor arranged below the frame, a fourth synchronous wheel is fixedly connected to the output shaft of the third motor, and the third synchronous wheel and the fourth synchronous wheel are connected by a synchronous belt.

[0011] Preferably, a plurality of polishing blocks are arranged in a circular array on the inner wall of the rotating ring.

[0012] Preferably, the polishing block is connected by a mounting portion and a polishing portion to form a T-shaped block, a mounting frame is fixedly connected to the inner wall of the rotating ring, the mounting frame has a mounting cavity that matches the polishing block and passes through to one side, and the polishing block is inserted into the mounting cavity and fastened by bolts.

[0013] Preferably, the frame is provided with a material drop opening located between the two first linear slide rails.

[0014] To sum up, the beneficial effect of the utility model is that when the steel pipe is polished, the steel pipe remains fixed, and the polishing operation of the steel pipe is achieved by rotating and moving the polishing block, which saves energy consumption during the polishing operation, has better economic benefits, and avoids safety hazards when large steel pipes are rotated. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of another perspective of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the polishing mechanism in the utility model.

[0019] In the figure: 1, frame; 11, blanking port; 21, sliding seat; 211, first transmission block; 22, rotating ring; 223, mounting frame; 221, belt groove; 222, belt; 23, polishing block; 231, mounting part; 232, polishing part; 24, first linear slide rail; 25, support plate; 26, first transmission screw; 261, first synchronous wheel; 27, bracket; 28, pulley; 29, second motor; 291, second synchronous wheel; 31, fixed clamp seat; 32, movable clamp seat; 33, first clamping sleeve; 34, second clamping sleeve; 35, second linear slide rail; 36, second transmission screw; 361, third synchronous wheel; 37, fourth synchronous wheel. DETAILED DESCRIPTION

[0020] The following will be combined with the attached embodiment of the utility model Figure 1-3 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] As shown in the figure, a polishing device for a large nickel alloy seamless steel pipe comprises a frame 1, on which a polishing mechanism and a clamping mechanism are arranged, wherein the polishing mechanism comprises a sliding seat 21, a rotating ring 22 and a polishing block 23, wherein the sliding seat 21 is slidably arranged on the frame 1 and is transmission-connected to a first driving source, the rotating ring 22 is rotationally arranged on the sliding seat 21 and is transmission-connected to a second driving source, the polishing block 23 is arranged on the inner wall of the rotating ring 22, the clamping mechanism comprises a fixed clamping seat 31 and a movable clamping seat 32, wherein the fixed clamping seat 31 is fixedly arranged on the frame 1 and is located on one side of the rotating ring 22, the movable clamping seat 32 is slidably arranged on the frame 1 and is located on the other side of the rotating ring 22, and the movable clamping seat 32 is transmission-connected to a third driving source, and a first clamping sleeve 33 and a second clamping sleeve 34 which are located on the same axis as the rotating ring 22 and have opposite end faces are fixedly arranged on the fixed clamping seat 31 and the movable clamping seat 32, respectively, and the outer diameters of the first clamping sleeve 33 and the second clamping sleeve 34 match the inner diameter of the seamless steel pipe.

[0022] Specifically, the sliding seat 21 is slidably set on the frame 1 and the rotating ring 22 is rotatably set on the sliding seat 21: the frame 1 is provided with two first linear slide rails 24 parallel to the axis of the rotating ring 22, the sliding seat 21 is fixedly connected to the slide seat of the first linear slide rail 24, two support plates 25 are vertically arranged on the sliding seat 21, the support plates 25 are provided with mounting holes matching the ends of the rotating ring 22, and the two ends of the rotating ring 22 are rotatably set in the mounting holes of the two support plates 25 respectively.

[0023] Specifically, the structure of the sliding seat 21 being transmission-connected to the first driving source: a first transmission block 211 is fixedly connected to each of the two side ends of the sliding seat 21, two first transmission screw rods 26 are rotatably provided on the frame 1 and are respectively screwed into the two first transmission blocks 211, and each end of the two first transmission screw rods 26 is fixedly connected to a first synchronous wheel 261, and the first driving source is a first motor provided below the frame 1 (the first motor is located below the frame 1, not shown in the figure), and two second synchronous wheels 291 are fixedly connected to the output shaft of the first motor, and the two first synchronous wheels 261 are respectively connected one by one to the two second synchronous wheels 291 through synchronous belts.

[0024] Specifically, the structure of the rotating ring 22 being transmission-connected to the second driving source is as follows: a bracket 27 is provided on the sliding seat 21 at one side of the rotating ring 22, a pulley 28 is rotatably provided on the bracket 27, the second driving source is a second motor 29 provided on the bracket 27, the second motor 29 is transmission-connected to the pulley 28, a belt groove 221 is provided on the side surface of the rotating ring 22, and the pulley 28 is connected to the rotating ring 22 by a belt 222 which is sleeved in the belt groove 221.

[0025] Specifically, the movable clamp seat 32 is slidably arranged on the frame 1 and is transmission-connected to the third driving source: the frame 1 is provided with two second linear slide rails 35 parallel to the axis of the rotating ring 22, the movable clamp seat 32 is fixedly connected to the slide seat of the second linear slide rail 35 and a second transmission block is fixedly connected below the movable clamp seat 32 (the second transmission block is located below the movable clamp seat 32, not shown in the figure), a second transmission screw rod 36 threaded in the second transmission block is rotatably arranged on the frame 1, and a third synchronous wheel 361 is fixedly connected to the end of the second transmission screw rod 36, and the third driving source is a third motor arranged below the frame 1 (the third motor is located below the frame 1, not shown in the figure), and a fourth synchronous wheel 37 is fixedly connected to the output shaft of the third motor, and the third synchronous wheel 361 is connected to the fourth synchronous wheel 37 through a synchronous belt.

[0026] In the above embodiment, the large nickel alloy seamless steel pipe to be polished (hereinafter referred to as the steel pipe) is moved between the fixed clamp seat 31 and the movable support by hoisting (realized by the truss in the workshop), and one end of the steel pipe is passed through the rotating ring 22 and then sleeved on the first clamping sleeve 33. Then, the third motor drives the second transmission screw 36 to rotate through the cooperation of the fourth synchronous wheel 37 and the third synchronous wheel 361. The second transmission screw 36 drives the movable clamp seat 32 to slide toward the fixed clamp seat 31 on the second linear slide rail 35 through the second transmission block, and the second clamping sleeve 34 is inserted into the other end of the steel pipe to cooperate with the first clamping sleeve 33 to clamp and fix the steel pipe. Then, the second motor 29 is driven The cooperation of the belt pulley 28 and the belt 222 drives the rotating ring 22 to rotate, and the rotating ring 22 drives the polishing block 23 to rotate around the steel pipe. Since the polishing block 23 is in conflict with the surface of the steel pipe when the steel pipe passes through the rotating ring 22, the polishing block 23 performs a polishing operation on the surface of the steel pipe by rotating. At the same time, the first motor drives the two first transmission screws 26 to rotate synchronously through the cooperation of the second synchronous wheel 291 and the first synchronous wheel 261. The first transmission screw 26 drives the sliding seat 21 to slide on the first linear slide rail 24 through the first transmission block 211, and drives the rotating rotating ring 22 to move along the length direction of the steel pipe, so that the polishing block 23 performs a complete polishing operation on the surface of the steel pipe. Through the above structure and method, when the steel pipe is polished, the steel pipe remains fixed, and the polishing operation of the steel pipe is realized by the rotation and movement of the polishing block 23, which saves energy consumption during the polishing operation, has better economic benefits, and avoids safety hazards when large steel pipes are rotated.

[0027] Preferably, a plurality of polishing blocks 23 are arranged in a circular array on the inner wall of the rotating ring 22, thereby increasing the contact area between the polishing blocks 23 and the steel pipe and improving the efficiency and effect of polishing.

[0028] Preferably, the polishing block 23 is connected by a mounting portion 231 and a polishing portion 232 to form a T-shaped block. A mounting frame 223 is fixedly connected to the inner wall of the rotating ring 22. The mounting frame 223 has a mounting cavity that matches the polishing block 23 and passes through to one side. The polishing block 23 is inserted into the mounting cavity and fastened by bolts. The mounting portion 231 is made of hard materials such as metal, and the polishing portion 232 is composed of a material arrangement with a certain degree of flexibility, such as polishing bristles or polishing brush strips, to ensure that the polishing block 23 can maintain contact with the surface of the steel pipe when the steel pipe passes through the rotating ring 22. In addition, through the above-mentioned installation method of the polishing block 23, the polishing block 23 can be easily disassembled and assembled, so that it is convenient to replace the polishing block 23 after it is worn out.

[0029] Preferably, the frame 1 is provided with a material drop opening 11 between the two first linear guide rails 24 , and the debris generated during the polishing operation falls through the material drop opening 11 , so that the debris can be collected easily.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A polishing device for large nickel alloy seamless steel pipes, comprising a frame (1), characterized in that: The frame (1) is provided with a polishing mechanism and a clamping mechanism, the polishing mechanism comprising a sliding seat (21), a rotating ring (22) and a polishing block (23), the sliding seat (21) being slidably arranged on the frame (1) and being transmission-connected to a first driving source, the rotating ring (22) being rotationally arranged on the sliding seat (21) and being transmission-connected to a second driving source, the polishing block (23) being arranged on an inner wall of the rotating ring (22), the clamping mechanism comprising a fixed clamping seat (31) and a movable clamping seat (32), the fixed clamping seat (31) being fixedly arranged on the frame (1) and being located on one side of the rotating ring (22), the movable clamping seat (32) being slidably arranged on the frame (1) and being located on the other side of the rotating ring (22), and the movable clamping seat (32) being transmission-connected to a third driving source, and the fixed clamping seat (31) and the movable clamping seat (32) being respectively fixedly arranged with a first clamping sleeve (33) and a second clamping sleeve (34) which are located on the same axis as the rotating ring (22) and whose end faces are opposite to each other.

2. The polishing device for a large nickel alloy seamless steel pipe according to claim 1, characterized in that: The frame (1) is provided with two first linear slide rails (24) parallel to the axis of the rotating ring (22); the sliding seat (21) is fixedly connected to the slide seat of the first linear slide rail (24); two support plates (25) are vertically provided on the sliding seat (21); the support plates (25) are provided with mounting holes matching the ends of the rotating ring (22); the two ends of the rotating ring (22) are rotatably arranged in the mounting holes of the two support plates (25).

3. The polishing device for a large nickel alloy seamless steel pipe according to claim 2, characterized in that: A first transmission block (211) is fixedly connected to each of the two side ends of the sliding seat (21); two first transmission screws (26) are rotatably arranged on the frame (1) and are respectively screwed into the two first transmission blocks (211); the ends of the two first transmission screws (26) are respectively fixedly connected to a first synchronous wheel (261); the first driving source is a first motor arranged below the frame (1); two second synchronous wheels (291) are fixedly connected to the output shaft of the first motor; the two first synchronous wheels (261) are respectively connected one by one to the two second synchronous wheels (291) via a synchronous belt.

4. The polishing device for a large nickel alloy seamless steel pipe according to claim 3, characterized in that: A bracket (27) is provided on the sliding seat (21) at one side of the rotating ring (22); a belt pulley (28) is rotatably provided on the bracket (27); the second driving source is a second motor (29) provided on the bracket (27); the second motor (29) is transmission-connected to the belt pulley (28); a belt groove (221) is provided on the peripheral side surface of the rotating ring (22); the belt pulley (28) is connected to the rotating ring (22) by a belt (222) sleeved in the belt groove (221).

5. The polishing device for a large nickel alloy seamless steel pipe according to claim 4, characterized in that: The frame (1) is provided with two second linear slide rails (35) parallel to the axis of the rotating ring (22); the movable clamp seat (32) is fixedly connected to the slide seat of the second linear slide rail (35); and a second transmission block is fixedly connected below the movable clamp seat (32); a second transmission screw (36) is rotatably provided on the frame (1) and is screwed into the second transmission block; a third synchronous wheel (361) is fixedly connected to the end of the second transmission screw (36); the third driving source is a third motor provided below the frame (1); a fourth synchronous wheel (37) is fixedly connected to the output shaft of the third motor; and the third synchronous wheel (361) is connected to the fourth synchronous wheel (37) via a synchronous belt.

6. The polishing device for a large nickel alloy seamless steel pipe according to claim 1, characterized in that: A plurality of polishing blocks (23) are arranged in an annular array on the inner wall of the rotating ring (22).

7. The polishing device for a large nickel alloy seamless steel pipe according to claim 6, characterized in that: The polishing block (23) is connected by a mounting portion (231) and a polishing portion (232) to form a T-shaped block. A mounting frame (223) is fixedly connected to the inner wall of the rotating ring (22). The mounting frame (223) has a mounting cavity that matches the polishing block (23) and penetrates to one side. The polishing block (23) is inserted into the mounting cavity and is fastened by bolts.

8. The polishing device for a large nickel alloy seamless steel pipe according to claim 5, characterized in that: The frame (1) is provided with a material drop opening (11) located between two first linear slide rails (24).

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