CN111376156A

CN111376156A - Straight pipeline inner wall welding seam welding slag grinding device

Info

Publication number: CN111376156A
Application number: CN201811608817.1A
Authority: CN
Inventors: 童卓超
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-07-07

Abstract

The invention discloses a straight pipeline inner wall welding slag polishing device in the technical field of pipeline welding, which comprises a base, wherein a roller driving mechanism is arranged on the right side of the top end of the base, a welded pipeline is placed on the top end of the roller driving mechanism, a chute is arranged on the left side of the top end of the base, a sliding ring is pushed to prop open a sliding sleeve to achieve the purpose that a polishing rod abuts against the inner wall of the pipeline, the polishing device is stable in structure, the polishing position is fixed, the polishing rod has a good polishing effect, the polishing device can be conveniently installed in the pipeline through a mechanism with a matched connecting ring and a sliding rod, a working rod piece can be stably supported, the position of the polishing rod can be limited and adjusted through an arranged telescopic rod, the polishing device can be conveniently installed into the pipeline through an arranged lead screw structure, the polishing region can be increased, pipelines with different, and the surrounding grinding of the welding seam is realized.

Description

Straight pipeline inner wall welding seam welding slag grinding device

Technical Field

The invention relates to the technical field of pipeline welding, in particular to a polishing device for welding slag of a straight pipeline inner wall welding seam.

Background

The stainless steel pipe is a hollow long-strip round steel material, and is mainly used for industrial conveying pipelines, mechanical structural parts and the like in petroleum, chemical industry, medical treatment, food, light industry and the like. In addition, since the steel sheet is light in weight when it is bent and has the same torsional strength, it is widely used for manufacturing machine parts and engineering structures. At present, with the rapid development of the industry, pipes are applied to various industries more and more. Wherein the longitudinal welded pipe just obtains general application, but the longitudinal welded pipe is because the natural disadvantage of welding in the course of working, and the inside welding seam department of welded pipe all can have the burr, makes the inside roughness of welded pipe descend, influences daily use, and because the positional relation of the inside welding seam of welded pipe can't or be difficult to directly polish it many times, makes the effect greatly reduced who polishes.

For example, chinese patent application No. CN201810160829.6 a steel pipe internal weld grinding device, comprises a workbench, workstation bottom both ends all are provided with the supporting leg respectively, supporting leg one side is provided with power source and the control switch who is located the power source top, be provided with the bracing piece between two supporting legs, the bracing piece top is provided with the controller, workstation top one end is provided with motor one, a motor output shaft is connected with the one end of shaft coupling, the other end and the telescopic machanism's of shaft coupling one end are connected, the telescopic machanism other end is provided with locking mechanism, locking mechanism keeps away from telescopic machanism's one end and is provided with grinding machanism, motor one side is provided with the steel pipe, be provided with the welding seam on the steel pipe, and grinding machanism and welding. Has the advantages that: the steel pipe inner wall polishing device is reasonable in structure, achieves polishing of welding seams on the inner wall of a steel pipe, is good in polishing effect and high in efficiency, and is suitable for popularization.

Although the polishing device for the weld joint in the steel pipe can polish the inner line of the pipeline, the polishing brush is not firm in contact with the inner wall of the pipeline by utilizing the expansion and contraction of the spring, the polishing brush can change in position along with the stress of the spring during polishing, the polishing position is not firm, the polishing effect is not good, and meanwhile, when the polishing device is used for polishing pipelines with different sizes, the motor end of the pipeline cannot be guaranteed to be in contact with the end of the bottom plate, the device is supported based on the polishing device, so that the structure is unstable, large swing can occur during polishing, the expansion and contraction mechanism of the device is complex and difficult to manufacture.

Disclosure of Invention

The invention aims to provide a straight pipeline inner wall welding slag polishing device, which solves the problems that although the polishing device in the background technology can polish the inner line of a pipeline, the polishing brush is not firm when contacting the inner wall of the pipeline by utilizing the expansion and contraction of a spring, the polishing brush can change position along with the stress of the spring during polishing, the polishing position is not firm, the polishing effect is not good, meanwhile, when the device is used for polishing pipelines with different sizes, the motor end of the device cannot ensure whether to contact a bottom plate end, and the device is supported by the polishing device, so that the structure is unstable, the polishing device can swing greatly, the expansion and contraction mechanism of the device is complex, and the device is not easy to manufacture.

In order to achieve the purpose, the invention provides the following technical scheme: a straight pipeline inner wall welding seam welding slag polishing device comprises a base, wherein a roller driving mechanism is arranged on the right side of the top end of the base, a welding pipeline is placed on the top end of the roller driving mechanism, a sliding groove is formed in the left side of the top end of the base, a lead screw is horizontally arranged in the sliding groove and is rotationally connected with the side wall of the sliding groove, the left end of the lead screw penetrates through the left side wall of the sliding groove and is connected with a first motor, a sliding block is screwed on the lead screw, a sliding rod is arranged on the top end of the sliding block, a connecting ring is connected on the sliding rod in a sliding ring mode, a first locking screw is arranged on the left side of the connecting ring, a telescopic rod is connected on the right side of the connecting ring, an extension rod is connected at the movable rod end of the telescopic rod, a sliding ring and, the connecting rod is on second locking screw right side, evenly be provided with square slide bar on the fixed cover, the sliding sleeve has been cup jointed to square slide bar periphery, the articulated sliding sleeve left side wall bottom of connecting rod right-hand member, sliding sleeve right side wall is close to welding pipeline inner wall end and is provided with the second motor, second motor right-hand member is connected with the pole of polishing, the sliding sleeve is kept away from fixed cover one end and is provided with ball mechanism, ball mechanism is to knot welding pipeline inner wall.

Preferably, the roller driving mechanism comprises roller seats, rollers and a third motor, the roller seats are divided into two groups, the two groups of roller seats are arranged in a bilateral symmetry mode, the top ends of the roller seats are hinged to the rollers through rotating shafts, a first transmission belt is connected between the rotating shafts of the rollers, and the left side of the rotating shaft ends of the roller seats and the output shaft end of the third motor are connected with a second transmission belt.

Preferably, the connecting rods and the square sliding rods are four groups, and the interval between each group is 90 degrees.

Preferably, the sliding rod and the extension rod are both provided with anti-skid grains.

Preferably, the telescopic rod is an electric multi-stage telescopic rod.

Preferably, the square slide bar is provided with an anti-falling flange.

Compared with the prior art, the invention has the beneficial effects that: the device achieves the purpose that the polishing rod abuts against the inner wall of the pipeline by pushing the sliding ring to open the sliding sleeve, is stable in structure, fixed in polishing position and good in polishing effect, is convenient to install into the pipeline through a mechanism with the matching of the connecting ring and the sliding rod, and can stably support a working rod piece.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the invention at A;

fig. 3 is a schematic structural diagram of the roller driving mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-roller driving mechanism, 201-roller seat, 202-roller, 203-first driving belt, 204-third motor, 205-second driving belt, 3-welding pipeline, 4-chute, 5-screw rod, 6-first motor, 7-slider, 8-slide rod, 9-connecting ring, 10-telescopic rod, 11-extension rod, 12-slide ring, 13-fixing sleeve, 14-second locking screw rod, 15-connecting rod, 16-square slide rod, 17-sliding sleeve, 18-second motor, 19-polishing rod, 20-ball mechanism, 21-first locking screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a straight pipeline inner wall welding seam welding slag polishing device comprises a base 1, a roller driving mechanism 2 is arranged on the right side of the top end of the base 1, a welding pipeline 3 is placed on the top end of the roller driving mechanism 2, a sliding groove 4 is arranged on the left side of the top end of the base 1, a screw rod 5 is horizontally arranged in the sliding groove 4, the screw rod 5 is rotatably connected with the side wall of the sliding groove 4, a first motor 6 is connected with the left end of the screw rod 5 penetrating through the left side wall of the sliding groove 4, a sliding block 7 is screwed on the screw rod 5, a sliding rod 8 is arranged on the top end of the sliding block 7, a connecting ring 9 is connected on the sliding rod 8 in a sliding ring mode, a first locking screw rod 21 is arranged on the left side of the connecting ring 9, a telescopic rod 10 is connected on the right side of the connecting ring 9, an extension rod 11, evenly articulated connecting rod 15 that is provided with on sliding ring 12, connecting rod 15 is in the second locking screw 14 right side, evenly be provided with square slide bar 16 on the fixed cover 13, sliding sleeve 17 has been cup jointed to square slide bar 16 periphery, connecting rod 15 right-hand member articulates sliding sleeve 17 left side wall bottom, sliding sleeve 17 right side wall is close to welding pipeline 3 inner wall ends and is provided with second motor 18, second motor 18 right-hand member is connected with polish rod 19, sliding sleeve 17 keeps away from fixed cover 13 one end and is provided with ball mechanism 20, ball mechanism 20 is to knot welding pipeline 3 inner walls.

Wherein, the roller driving mechanism 2 includes a roller seat 201, a roller 202 and a third motor 204, the roller seat 201 has two groups, two groups of roller seats 201 are arranged in bilateral symmetry, the top end of the roller seat 201 is hinged with the roller 202 through a rotating shaft, a first transmission belt 203 is connected between the rotating shafts of the roller 202, the rotating shaft end of the left roller seat 201 and the output shaft end of the third motor 204 are connected with a second transmission belt 205, which can drive pipelines with different sizes and weights to rotate, so as to be convenient for being surrounded and polished, four groups of connecting rods 15 and square sliding rods 16 are arranged, the interval between each group is 90 degrees, the multi-group connecting structure is more stable, anti-slip lines are arranged on the sliding rods 8 and the extension rod 11, so as to lock the locking screw rods, the telescopic rod 10 is an electric multi-stage telescopic rod, the extension distance is longer.

One specific application of this embodiment is: the utility model relates to a straight pipeline inner wall welding seam welding slag grinding device, which is mainly used for grinding welding seam burr welding slag, wherein electric devices are electrically connected with an external power supply through an external control switch, before the device is used, a pipeline to be processed is placed on a roller driving mechanism 2, a first motor 6 is started to drive a screw 5 to rotate, the screw 5 drives a slider 7 to slide, so that the grinding mechanism moves to the right, when a grinding rod 19 end is close to a pipeline port, a connecting ring 9 is pulled up along a sliding rod 8, so that the whole grinding rod piece moves upwards, the first motor 6 is continuously started, an extension rod 11 enters the pipeline port, a sliding ring 12 is pushed, the connecting rod 15 is pushed to be propped open by the sliding ring 12, the connecting rod 15 pushes a sliding sleeve 17 to be close along a square sliding rod 16 pipeline inner wall end until a ball mechanism 20 abuts against the pipeline inner wall, at the moment, the grinding rod, drive pole 19 of polishing and be close to welding seam department, if the extension distance is not enough, still can start telescopic link 10, increase the extension distance, treat that pole 19 of polishing is close to and treat the welding seam of polishing, start second motor 18 and third motor 204, second motor 18 drives pole 19 of polishing and rotates at a high speed, polish and brush the contact welding seam top layer on the pole 19, clearance welding slag and burr, third motor 204 drives gyro wheel 202 through second driving belt 205 and rotates, through first driving belt 203, two sets of gyro wheel 202 syntropy rotate, it rotates to drive the pipeline, thereby realize that the circumference of welding seam is polished, this device can adapt to not unidimensional pipeline welding seam and polish, accommodation is wide, it is effectual to polish, and the practicality has.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a straight pipeline inner wall welding slag grinding device, includes base (1), its characterized in that: the welding device is characterized in that a roller driving mechanism (2) is arranged on the right side of the top end of the base (1), a welding pipeline (3) is placed on the top end of the roller driving mechanism (2), a sliding groove (4) is formed in the left side of the top end of the base (1), a lead screw (5) is horizontally arranged in the sliding groove (4), the lead screw (5) is rotatably connected with the side wall of the sliding groove (4), a first motor (6) is connected to the left side of the lead screw (5) in a penetrating mode of the sliding groove (4), a sliding block (7) is connected to the lead screw (5) in a threaded mode, a sliding rod (8) is arranged on the top end of the sliding block (7), a connecting ring (9) is connected to the sliding rod (8) in a sliding mode, a first locking screw (21) is arranged on the left side of the connecting ring (9), a telescopic rod (10) is connected to the right side of the, the sliding ring (12) can slide along an extension rod (11), the sliding ring (12) is symmetrically provided with a second locking screw (14) in a vertical direction, the sliding ring (12) is evenly hinged with a connecting rod (15), the connecting rod (15) is arranged on the right side of the second locking screw (14), a square sliding rod (16) is evenly arranged on a fixed sleeve (13), a sliding sleeve (17) is sleeved on the periphery of the square sliding rod (16), the right end of the connecting rod (15) is hinged to the bottom of the left side wall of the sliding sleeve (17), the right side wall of the sliding sleeve (17) is close to the inner wall end of a welding pipeline (3) and is provided with a second motor (18), the right end of the second motor (18) is connected with a polishing rod (19), one end, away from the fixed sleeve (13), of the sliding sleeve (17) is provided with a ball mechanism (20), and the ball.

2. The straight pipeline inner wall weld slag grinding device as claimed in claim 1, wherein: roller actuating mechanism (2) is including roller seat (201), gyro wheel (202) and third motor (204), roller seat (201) have two sets ofly, and two sets of roller seat (201) bilateral symmetry sets up, roller seat (201) top is through the articulated gyro wheel (202) of pivot, be connected with first driving belt (203) between gyro wheel (202) the pivot, the left side roller seat (201) pivot end and third motor (204) output shaft end are connected with second driving belt (205).

3. The straight pipeline inner wall weld slag grinding device as claimed in claim 1, wherein: four groups of connecting rods (15) and four groups of square sliding rods (16) are arranged, and the interval between each group is 90 degrees.

4. The straight pipeline inner wall weld slag grinding device as claimed in claim 1, wherein: the sliding rod (8) and the extension rod (11) are both provided with anti-skid grains.

5. The straight pipeline inner wall weld slag grinding device as claimed in claim 1, wherein: the telescopic rod (10) is an electric multi-stage telescopic rod.

6. The straight pipeline inner wall weld slag grinding device as claimed in claim 1, wherein: the square sliding rod (16) is provided with an anti-falling flange.