CN218592502U

CN218592502U - Polishing device for polishing outer surface of pipeline

Info

Publication number: CN218592502U
Application number: CN202223003071.6U
Authority: CN
Inventors: 刘柏希; 王金; 言文静; 陈涛
Original assignee: Xiangtan University
Current assignee: Xiangtan University
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-10
Anticipated expiration: 2032-11-11

Abstract

The utility model provides a grinding device of pipeline surface polishes, includes the base, sets up first motor, second motor, reduction gear and support frame on the base, the main shaft of first motor pass through the shaft coupling with the input shaft of reduction gear, the output shaft of reduction gear with the second motor is connected, the main shaft of second motor extends the end and has the centering shaft through the coupling joint, be equipped with first abrasive disk and the second abrasive disk through side link fixed connection on the centering shaft, the second abrasive disk is kept away from one of first abrasive disk and is served and be equipped with the centrifugal lever support through the movable screw connection, the fixed spring that is equipped with on the side of centrifugal lever support, the spring with the second abrasive disk is connected, be provided with circular support hoop on the support frame, the pipeline has been placed on the circular support hoop. The utility model discloses can get rid of the burr on the pipe fitting surface in fast, protruding, crackle etc. the surface is polished more evenly, has improved surface quality and has reduced roughness for the pipeline that grinds out satisfies the production demand and can promote production efficiency, practices thrift manufacturing cost.

Description

Polishing device for polishing outer surface of pipeline

Technical Field

The utility model relates to a pipe grinding machine technical field especially relates to a grinding device of pipeline surface polishes.

Background

In the machining process, various types of steel pipes or pipelines are often needed, and before welding and installation of the pipelines, the outer surfaces of the pipelines are often needed to be polished so as to facilitate smooth development of subsequent installation, welding, rust prevention processes and the like.

In the prior art, most of the grinding of the pipeline surface is that workers grind and polish the pipe fitting by using files or sand paper, so that the labor intensity is high, the efficiency is low, and the ground position is inconsistent. There are other methods used to polish pipes, but the effect is far from the expected effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a grinding device for polishing the surface of a pipeline is provided for solve the problem that current pipeline surface polishing method effect is unsatisfactory, inefficiency.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a grinding device of pipeline surface polishes, includes the base, sets up first motor, second motor, reduction gear and support frame on the base, the main shaft of first motor pass through the shaft coupling with the input shaft of reduction gear, the output shaft of reduction gear with the second motor is connected, the main shaft of second motor extends the end and has the centering shaft through the coupling joint, be equipped with first abrasive disk and the second abrasive disk through side link fixed connection on the centering shaft, the second abrasive disk is kept away from one of first abrasive disk and is served and be equipped with the centrifugal lever support through the movable screw connection, the fixed spring that is equipped with on the side of centrifugal lever support, the spring with the second abrasive disk is connected, be provided with circular support hoop on the support frame, the pipeline has been placed on the circular support hoop.

Furthermore, a gear is fixedly connected to an output shaft of the speed reducer, a rack meshed with the gear is arranged on the gear, and the rack is fixedly connected with the second motor.

Further, the lower end of the second motor is provided with a guide wheel.

Furthermore, a through hole is formed in the center of each of the first grinding wheel disc and the second grinding wheel disc, the first grinding wheel disc and the second grinding wheel disc are fixedly arranged on the centering shaft through the through holes, the centering shaft penetrates through the through hole of the second grinding wheel disc and is connected with a centering block at the tail end of the main shaft far away from the second motor, and the centering block is in contact with the inner surface of the pipeline.

Furthermore, a grinding wheel groove is formed in the centrifugal lever support, and an arc-shaped grinding wheel is arranged in the grinding wheel groove.

Furthermore, a locking device is arranged on the circular supporting iron ring.

Further, the number of the centrifugal lever brackets is two.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses can get rid of the burr on the pipe fitting surface in fast, protruding, crackle etc. the surface is polished more evenly, has improved surface quality and has reduced roughness for the pipeline that grinds out satisfies the production demand and can promote production efficiency, practices thrift manufacturing cost.

2. The utility model discloses a servo motor drive, first motor pass through reduction gear deceleration and drive gear and rack and mesh the transmission, and the rack passes through screw and second motor fixed connection to the reciprocal motion is done to the epaxial dead center of second motor shaft in drive connection, and the guide emery wheel can the both ends of grinding pipeline. The centrifugal lever support is tightly connected to the second grinding wheel disc through a movable screw, and the action of the centrifugal force can act on the outer end of the movable fulcrum of the screw to drive the grinding wheel at the other end to press the outer end circular surface of the steel pipe for grinding.

3. The side of the centrifugal lever bracket of the utility model is provided with a spring. When the centrifugal lever support is restrained by gravity, the elastic potential energy of the spring acts on the centrifugal lever support in a reaction manner to eliminate the tendency of separation of the arc-shaped grinding wheel, so that the centrifugal lever support is continuously and tightly pressed on the end face of the excircle of the steel pipe. Meanwhile, when the grinding wheel disc rotates at a high speed, the swinging angle of the two centrifugal lever supports is controlled within a reasonable range, and when the rotation is stopped, the two centrifugal lever supports cannot collide together due to the action of gravity, so that the original positions of the two centrifugal lever supports are kept.

4. The utility model discloses an internal surface of pipeline connects a columniform centering piece tightly mutually, can reduce the drunkenness of pipe fitting, guarantees the surface finish quality of pipeline when by the grinding.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of FIG. 1A;

FIG. 3 is a half sectional view of FIG. 2;

FIG. 4 is a top view of FIG. 2;

in the figure: 1. a first motor; 2. a speed reducer; 3. a gear; 4. a rack; 5. a guide wheel; 6. a base; 7. a second motor; 8. a centering shaft; 9. a first grinding wheel disc; 10. a side link; 11. a second grinding wheel disc; 12. a centrifugal lever bracket; 13. a pipeline; 14. a circular support iron ring; 15. a support frame; 16. a centering block; 17. an arc-shaped grinding wheel; 18. a spring; 19. a movable screw.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to the accompanying drawings 1-4, the present embodiment includes a base 6, a first motor 1 disposed on the base 6, a second motor 7, a speed reducer 2 and a support frame 15, a main shaft of the first motor 1 is connected to an input shaft of the speed reducer 2 through a coupling, an output shaft of the speed reducer 2 is connected to the second motor 7, wherein a gear 3 is fixedly connected to the output shaft of the speed reducer 2, a rack 4 meshed with the gear 3 is disposed on the gear 3, the rack 4 is fixedly connected to the second motor 7, a guide wheel 5 is disposed at a lower end of the second motor 7, a spindle extending end of the second motor 7 is connected to a centering shaft 8 through a coupling, a first grinding wheel disk 9 and a second grinding wheel disk 11 fixedly connected through a connecting rod 10 are disposed on the centering shaft 8, the second motor 7 drives a double-layer centrifugal grinding wheel disk to rotate, and the specific connection mode is: the centers of the first grinding wheel disk 9 and the second grinding wheel disk 11 are provided with through holes, the first grinding wheel disk 9 and the second grinding wheel disk 11 are fixedly arranged on the centering shaft 8 through the through holes, and the centering shaft 8 penetrates through the through holes of the second grinding wheel disk 11 and is connected with a centering block 16 at the tail end of a main shaft far away from the second motor 7.

The end of the second grinding wheel disk 11 far away from the first grinding wheel disk 9 is provided with two centrifugal lever supports 12 connected through a movable screw 19, the side surfaces of the centrifugal lever supports 12 are fixedly provided with springs 18, the centrifugal lever supports 12 are internally provided with grinding wheel grooves, arc-shaped grinding wheels 17 are arranged in the grinding wheel grooves, the springs 18 are connected with the second grinding wheel disk 11, a support frame 15 is provided with a circular support iron ring 14, the circular support iron ring 14 is provided with a locking device, the circular support iron ring 14 is placed in the pipeline 13 through the locking device, a centering block 16 is in contact with the inner surface of the pipeline 13, the centering block 16 plays a centering role, influences of inertia force and centrifugal force on the steel pipe 13 caused by over-high speed are eliminated, and further, when the motor rotates, the centrifugal force can act on the outer ends of movable screw supporting points to drive the arc-shaped grinding wheels 17 at the other end to be pressed on the outer end surface of the steel pipe 13, and when the motor is limited by gravity, elastic potential energy of the springs 18 acts on the centrifugal lever supports 12 to eliminate the tendency that the arc-shaped grinding wheels 17 are separated from the outer circle surface of the steel pipe 13, so as to be pressed tightly on the end surface of the steel pipe 13. Meanwhile, when the grinding wheel disc rotates at a high speed, the swinging angle of the two centrifugal lever supports 12 is controlled within a reasonable range, when the rotation is stopped, the two centrifugal lever supports 12 cannot collide together due to the action of gravity, the original positions of the two centrifugal lever supports are kept, and the deviation is avoided under the action of force.

The working principle is as follows: the pipeline 13 is placed on a support frame 15 and then driven by a motor, a gear 3 and a rack 4 are driven by a first motor 1 through the speed reduction action of a speed reducer 2 to carry out meshing transmission, the rack 4 is fixedly connected with a second motor 7 through a screw to drive a centering shaft 8 connected to a main shaft of the second motor 7 to do reciprocating motion, an arc-shaped grinding wheel 17 is guided to grind two ends of the pipeline 13, a first grinding wheel disc 9 and a second grinding wheel disc 11 are driven to rotate together by the rotating shaft action of the second motor 7, a centrifugal lever bracket 12 on the second grinding wheel disc 11 is provided with an arc-shaped grinding wheel 17, a weight at the outer end of the centrifugal lever bracket 12 is driven to move downwards according to the inertia action, the gravity and the inertia force of the weight are applied to the end of the centrifugal lever bracket 12 in reverse, and the arc-shaped grinding wheel 17 at the other end of the centrifugal lever bracket 12 is pried to be tightly pressed on the outer surface of the pipeline 13 to carry out grinding. When the first motor 1 and the second motor 7 stop operating, the outer arc grinding wheel 17 is restored to the original position by the force. The stroke of the arc-shaped grinding wheel 17 can be adjusted through the adjusting screw, and the grinding force can be adjusted by adjusting the weight of the steel block.

Claims

1. The utility model provides a grinding device of pipeline surface polishes, its characterized in that, including base (6), first motor (1), second motor (7), reduction gear (2) and support frame (15) of setting on base (6), the main shaft of first motor (1) pass through the shaft coupling with the input shaft of reduction gear (2), the output shaft of reduction gear (2) with second motor (7) are connected, the main shaft extension end of second motor (7) has centering shaft (8) through the coupling joint, be equipped with first emery wheel dish (9) and second emery wheel dish (11) through linking pole (10) fixed connection on centering shaft (8), second emery wheel dish (11) are kept away from one of first emery wheel dish (9) and are served and are equipped with centrifugal lever bracket (12) of connecting through activity screw (19), fixed being equipped with spring (18) on the side of centrifugal lever bracket (12), spring (18) with second emery wheel dish (11) are connected, be provided with circular support iron ring (14) on support frame (15), circular support iron ring (14) has been placed.

2. The grinding device for grinding the outer surface of the pipeline according to the claim 1, characterized in that a gear (3) is fixedly connected to the output shaft of the reducer (2), a rack (4) meshed with the gear (3) is arranged on the gear (3), and the rack (4) is fixedly connected with the second motor (7).

3. A grinding device for grinding the outer surface of pipes according to claim 2, characterized in that the lower end of the second motor (7) is provided with a guide wheel (5).

4. The grinding device for grinding the outer surface of the pipeline according to claim 3, wherein a through hole is formed in the centers of the first grinding wheel disc (9) and the second grinding wheel disc (11), the first grinding wheel disc (9) and the second grinding wheel disc (11) are fixedly arranged on the centering shaft (8) through the through hole, the centering shaft (8) penetrates through the through hole of the second grinding wheel disc (11) and is connected with a centering block (16) at the tail end far away from the main shaft of the second motor (7), and the centering block (16) is in contact with the inner surface of the pipeline (13).

5. A grinding device for grinding the outer surface of a pipeline according to claim 4, characterized in that the centrifugal lever bracket (12) is internally provided with a grinding wheel groove, and an arc-shaped grinding wheel (17) is arranged in the grinding wheel groove.

6. A grinding device for grinding the outer surface of a pipe according to claim 5, characterized in that a locking device is provided on the circular support iron ring (14).

7. A grinding device for grinding the outer surface of pipes according to any of claims 1-6, characterized in that the number of the centrifugal lever supports (12) is two.