CN109366282B

CN109366282B - Steel pipe end polishing and derusting device for ship construction

Info

Publication number: CN109366282B
Application number: CN201811433893.3A
Authority: CN
Inventors: 崔甜卉
Original assignee: Wenzhou Qiye Machinery Co Ltd
Current assignee: Nantong Runhang Marine Machinery Manufacturing Co ltd
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2020-09-04
Anticipated expiration: 2038-11-28
Also published as: CN109366282A

Abstract

The invention discloses a steel pipe end grinding and rust removing device for ship construction, which comprises a moving trolley, an operation platform, an outer pipe grinding assembly and an inner pipe grinding assembly, wherein the outer pipe grinding assembly comprises an outer grinding wheel set and a pressing wheel set, the outer grinding wheel set consists of two outer grinding wheels which are arranged in a straight line, a steel pipe is placed above the two outer grinding wheels, rotating shafts of the two outer grinding wheels are matched with a driving motor through a same synchronous belt, a pressing wheel in the pressing wheel set is abutted against the outer grinding wheels, and the inner pipe grinding assembly comprises an air cylinder, a balance frame and an inner grinding wheel which are suspended on a truss Is particularly suitable for the batch polishing and rust removing operation of steel pipes with various sizes.

Description

Steel pipe end polishing and derusting device for ship construction

Technical Field

The invention relates to the technical field of lighting lamps, in particular to a steel pipe end polishing and rust removing device for ship construction.

Background

A large number of pipelines need to be laid in the industries of ship construction, chemical engineering and the like, when two pipelines need to be connected, flanges need to be welded at two ends of the pipelines, and then the two flanges are connected through bolts. When the pipe needs to be welded with the flange, the inner part and the outer part of the end part of the pipe need to be polished to ensure the welding quality. The prior art mainly adopts manual polishing, namely: an electric or pneumatic polisher is manually held by a worker to polish the outer wall of the pipe and then polish the inner wall of the pipe. It has the major problem that the outer wall of the steel pipe is more polished than the inner wall; the manual polishing efficiency is low, and the internal and external polishing can not be simultaneously carried out; for some large pipes, auxiliary rotating equipment is needed to help grinding; the labor intensity of workers is high, and the working environment is severe.

Disclosure of Invention

The invention aims to provide a steel pipe end grinding and derusting device for ship construction, and aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a polishing and rust removing device for steel pipe ends for ship construction comprises a moving trolley, an operation platform, an outer pipe polishing assembly and an inner pipe polishing assembly, wherein the moving trolley is mounted on a fixed guide rail on a horizontal ground and can move in the horizontal direction along the fixed guide rail, the moving trolley is fixedly connected with the operation platform, and the operation platform is provided with the outer pipe polishing assembly;

the outer pipe polishing assembly comprises an outer grinding wheel set and a pressing wheel set, the outer grinding wheel set comprises two outer grinding wheels which are linearly arranged, a steel pipe is placed above the two outer grinding wheels, rotating shafts of the two outer grinding wheels are matched with a driving motor through a same synchronous belt, the rotating shafts of the outer grinding wheels are respectively connected with a bearing seat, the bearing seats are fixedly connected with an operation platform, the pressing wheel set comprises two pressing wheels which are in mirror symmetry relative to the operation platform, the pressing wheels are abutted with the outer grinding wheels, wheel shafts of the pressing wheels are fixedly connected with a roller frame, the operation platform is provided with inclined struts, the inclined struts are fixedly connected with positioning rods, the positioning rods are sleeved with roller frames and are in sliding fit with the roller frames, springs are further sleeved on the positioning rods, and two ends of the springs are abutted with the roller frames;

the inner pipe polishing assembly comprises an air cylinder, a balance frame and an inner grinding wheel, wherein the air cylinder, the balance frame and the inner grinding wheel are hung on the truss in a hanging mode, a piston rod of the air cylinder is fixedly connected with the balance frame, the balance frame is fixedly connected with a hanging frame, the hanging frame is fixedly connected with a supporting block, the supporting block is fixedly connected with a telescopic sleeve, the telescopic sleeve is fixedly connected with the inner grinding wheel, and the inner grinding wheel is abutted against the inner side.

Preferably, operation platform fixed connection scrap groove, the scrap groove is located the steel pipe under to its inside chassis of having placed, chassis fixed connection riser, riser fixed connection magnetic sheet, the magnetic sheet is the flaky permanent magnet of circle, and it is matrix evenly distributed in the both sides of riser.

Preferably, the wheel surface width of the pressing wheel is equal to the wheel surface width of the outer grinding wheel, and the wheel surface of the pressing wheel is sleeved with the cleaning cotton sleeve.

Preferably, the bottom of the inclined strut is fixedly connected with a sliding block, the sliding block is of a T-shaped structure, the operating platform is provided with a sliding groove matched with the sliding block, a rectangular through groove is arranged below the sliding groove, and a fastening bolt penetrates through the rectangular through groove and then is in threaded connection with the sliding block.

Preferably, the bottom of the balancing stand is an arc-shaped curved surface, the arc-shaped curved surface is fixedly connected with two balancing wheels, and the balancing wheels are abutted to the steel pipe.

Preferably, the number of the telescopic sleeves is two, the telescopic sleeves are arranged in an axial symmetry manner relative to the hanging bracket, each telescopic sleeve is formed by sleeving two telescopic joints, the inside of each telescopic joint at the periphery is further sleeved with a wave spring, and two ends of each wave spring are respectively abutted against the two telescopic joints.

Compared with the prior art, the invention has the beneficial effects that:

1. the steel pipe polishing and rust removing device has the advantages that the structure is simple, the operation is simple, the use is safe, the outer grinding wheel can effectively remove rust and polish the outer side wall of the steel pipe while driving the steel pipe to rotate by driving the outer grinding wheel, the inner grinding wheel can automatically remove rust and polish the inner side wall of the steel pipe, namely the steel pipe can be simultaneously polished inside and outside the steel pipe, the operation efficiency is high, and the steel pipe polishing and rust removing device is particularly suitable for batch polishing and rust removing operation of steel pipes with various;

2. according to the invention, the spring provides upward pre-tightening force for the pressing wheel frame, the pressing wheel can be well ensured to be always attached to the outer grinding wheel, and the rust remover is soaked in the cleaning cotton sleeve, so that the grinding surface of the outer grinding wheel can be stained with the rust remover while the pressing wheel is attached to the outer grinding wheel, and the grinding and rust removing effects of the outer grinding wheel are improved;

3. when the iron chips or the rust iron chips fall under the action of gravity and the external throwing action of the external grinding wheel, the vertical plate can block the iron chips or the rust iron chips, and the iron chips or the rust iron chips can be adsorbed by the magnetic sheets, so that the iron chips are effectively prevented from flying randomly;

4. after the balance wheels descend, the upper surface of the steel pipe can be abutted against the balance wheels but not against the balance frame, and the downward acting force generated by the two balance wheels can limit the steel pipe, so that the steel pipe cannot jump upwards after being driven by the outer grinding wheel to rotate anticlockwise, the steel pipe is ensured to run stably in the polishing and derusting process, and the derusting effect is improved.

Drawings

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

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

FIG. 3 is a schematic view of the structure of the hanger, the support block and the telescopic sleeve of the present invention;

FIG. 4 is a schematic view of the structure of the scrap groove, the chassis, the vertical plate and the magnetic sheet in the invention.

In the figure: the device comprises a movable trolley 1, an operation platform 2, an outer grinding wheel 3, a bearing seat 4, a pressing wheel 5, a roller carrier 6, an inclined strut 7, a positioning rod 8, a spring 9, a sliding block 10, a sliding chute 11, a rectangular through groove 12, an air cylinder 13, a balance frame 14, an inner grinding wheel 15, a hanging bracket 16, a supporting block 17, an expansion sleeve 18, a balance wheel 19, a scrap groove 20, a chassis 21, a vertical plate 22, magnetic sheets 23 and a steel pipe 24.

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 to 4, the present invention provides a technical solution: the utility model provides a steel pipe end rust cleaning device that polishes for shipbuilding, includes travelling car 1, operation platform 2, outer tube polishing subassembly and inner tube polishing subassembly, and travelling car 1 installs on the subaerial fixed rail of level, can follow fixed rail and carry out the horizontal direction and remove to travelling car 1 fixed

connection operation platform

2, 2 are equipped with the outer tube polishing subassembly on the operation platform.

The outer tube grinding component comprises an outer grinding wheel set and a pressing wheel set, the outer grinding wheel set is composed of two outer grinding wheels 3 which are arranged in a straight line, a steel pipe 24 is placed above the two outer grinding wheels 3, the rotating shafts of the two outer grinding wheels 3 are matched with a driving motor through a synchronous belt, the rotating shafts of the outer grinding wheels 3 are connected with a bearing seat 4, and the bearing seat 4 is fixedly connected with the operation platform 2. The driving motor is started, the driving motor drives the two outer grinding wheels 3 to rotate clockwise in the same direction through the synchronous belt, and the steel pipe 24 placed above the two outer grinding wheels 3 is driven to rotate anticlockwise. The pressing wheel group consists of two pressing wheels 5 which are in mirror symmetry with respect to the operation platform 2, the pressing wheels 5 are abutted with the outer grinding wheel 3, and the wheel shaft of the pressing wheels 5 is fixedly connected with the roller frame 6.

As shown in fig. 2, in the present embodiment, the work platform 2 is provided with an inclined strut 7, the inclined strut 7 is fixedly connected with a positioning rod 8, the positioning rod 8 is sleeved with the roller frame 6 and is in sliding fit with the roller frame 6, the positioning rod 8 is further sleeved with a spring 9, and two ends of the spring 9 are respectively abutted against the roller frame 6 and the inclined strut 7. The bottom of the inclined strut 7 is fixedly connected with a sliding block 10, the sliding block 10 is of a T-shaped structure, the operation platform 2 is provided with a sliding groove 11 matched with the sliding block 10, a rectangular through groove 12 is arranged below the sliding groove 11, and a fastening bolt penetrates through the rectangular through groove 12 and then is in threaded connection with the sliding block 10. Through changing fastening bolt in the position that the rectangle led to groove 12, can change the interval of pinch roller 5 and outer emery wheel 3 on the bracing 7, make the outer emery wheel 3 of laminating that pinch roller 5 can be fine, because the wheel face width of pinch roller 5 equals the wheel face width of outer emery wheel 3, and the wheel face of pinch roller 5 has cup jointed clean cotton cover, in the rotation of outer emery wheel 3, rely on spring 9 to provide ascending pretightning force to it, pinch roller 5 can laminate outer emery wheel 3 all the time, and through soaking the rust remover at clean cotton cover, make in the outer emery wheel 3 of laminating of pinch roller 5, can be stained with the rust remover on the face of polishing of outer emery wheel 3, improve the rust cleaning effect of polishing of outer emery wheel 3.

The inner pipe grinding assembly comprises an air cylinder 13, a balance frame 14 and an inner grinding wheel 15 which are suspended on the truss, and a piston rod of the air cylinder 13 is fixedly connected with the balance frame 14. After the cylinder 13 is started, the piston rod of the cylinder 13 drives the balance frame 14 to descend, and the bottom of the balance frame 14 is an arc-shaped curved surface which is fixedly connected with the two balance wheels 19, so that after the balance wheels 19 descend, the upper surface of the steel pipe 24 can be abutted against the balance wheels 19 but not against the balance frame 14. The two balance wheels 19 generate downward acting force to limit the steel pipe 24, namely the steel pipe 24 cannot jump upwards after being driven by the outer grinding wheel 3 to rotate anticlockwise.

The balance frame 14 is fixedly connected with a hanging frame 16, the hanging frame 16 is fixedly connected with a supporting block 17, the supporting block 17 is fixedly connected with a telescopic sleeve 18, two telescopic sleeves 18 are arranged and are axially symmetrically arranged relative to the hanging frame 16, the telescopic sleeve 18 is fixedly connected with an inner grinding wheel 15, and the inner grinding wheel 15 is abutted against the inner side wall of a steel pipe 24. The telescopic sleeve 18 is formed by sleeving two telescopic joints, a wave spring is sleeved inside the telescopic joint at the periphery, two ends of the wave spring are respectively abutted against the two telescopic joints, and the telescopic sleeve 18 can be freely adjusted. Be equipped with the top dolly on the truss, the truss direction horizontal migration can be followed to the top dolly, top dolly fixed connection rear end cap, under the drive of top dolly on the truss, when can driving cylinder 13 and carrying out horizontal migration, through compressing wave spring, can together fill in steel pipe 24 with telescope tube 18 together with interior emery wheel 15, remove the effort to wave spring, emery wheel 15 in the telescopic joint that is in the inboard among the telescope tube 18 promotes, make interior emery wheel 15 and the inseparable butt of 24 inner walls of steel pipe, improve the rust cleaning effect of polishing of interior emery wheel 15.

2 fixed connection sweeps groove 20 of work platform, sweeps groove 20 are located steel pipe 24 under, as shown in fig. 4, in this embodiment, 20 inside chassis 21 of having placed in sweeps groove, chassis 21 fixed connection riser 22, riser 22 fixed connection magnetic sheet 23, magnetic sheet 23 are the flaky permanent magnet of circle to it is matrix evenly distributed in riser 22's both sides. Can produce iron fillings or rust iron bits when outer emery wheel 3 polishes the lateral wall of steel pipe 24, when iron fillings or rust iron bits drop under the effect of throwing outward of gravity action and outer emery wheel 3, riser 22 can block it to iron fillings or rust iron bits can be adsorbed by magnetic sheet 23, and the iron fillings of effectual avoiding are indiscriminate to fly.

The working principle is as follows: before polishing, the cleaning cotton sleeves of the pressing wheel 5 are soaked with the rust remover, and the position of the fastening bolt in the rectangular through groove 12 is adjusted, so that the pressing wheel 5 is tightly attached to the outer grinding wheel 3. Then the end of the steel pipe 24 is placed on the two outer grinding wheels 3, the cylinder 13 is started, and the piston rod of the cylinder 13 pushes the balancing stand 14 to descend until the balancing wheel 19 abuts against the upper surface of the steel pipe 24. And then starting a driving motor, realizing synchronous clockwise rotation of wheel shafts of the two outer grinding wheels 3 by the driving motor through a synchronous belt, realizing anticlockwise rotation of the steel pipe 24 under the driving of the outer grinding wheels 3, and changing the descending distance of a piston rod of the air cylinder 13 by observing whether the steel pipe 24 jumps on the outer grinding wheels 3 until the steel pipe 24 does not jump on the outer grinding wheels 3. After the driving motor is turned off, the telescopic sleeve 18 is pressed tightly by hands, the top trolley fixedly connected with the air cylinder 13 is started, the supporting block 17 is stretched into the steel pipe 24 by the top trolley, the hands are loosened, and the telescopic sleeve 18 is stretched and pushes the inner grinding wheel 15 to abut against the inner wall of the steel pipe 24. Finally, the driving motor is started again, and the outer grinding wheel 3 and the inner grinding wheel 15 can simultaneously polish and derust the inner wall and the outer wall of the steel pipe 24.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel pipe end rust cleaning device that polishes for shipbuilding which characterized in that: the device comprises a moving trolley (1), an operation platform (2), an outer pipe polishing assembly and an inner pipe polishing assembly, wherein the moving trolley (1) is mounted on a fixed guide rail on a horizontal ground and can move in the horizontal direction along the fixed guide rail, the moving trolley (1) is fixedly connected with the operation platform (2), and the outer pipe polishing assembly is arranged on the operation platform (2);

the outer pipe polishing assembly comprises an outer grinding wheel set and a pressing wheel set, the outer grinding wheel set is composed of two outer grinding wheels (3) which are arranged in a straight line, a steel pipe (24) is placed above the two outer grinding wheels (3), rotating shafts of the two outer grinding wheels (3) are matched with a driving motor through a same synchronous belt, the rotating shafts of the outer grinding wheels (3) are respectively connected with a bearing seat (4), the bearing seats (4) are fixedly connected with an operation platform (2), the pressing wheel set is composed of two pressing wheels (5) which are in mirror symmetry with respect to the operation platform (2), the pressing wheels (5) are abutted against the outer grinding wheels (3), wheel shafts of the pressing wheels (5) are fixedly connected with roller frames (6), the operation platform (2) is provided with inclined struts (7), the inclined struts (7) are fixedly connected with positioning rods (8), the positioning rods (8) are sleeved with the roller frames (6) and are in sliding fit, the positioning rod (8) is further sleeved with a spring (9), and two ends of the spring (9) are respectively abutted against the roller carrier (6) and the inclined strut (7);

the inner pipe polishing assembly comprises an air cylinder (13), a balance frame (14) and an inner grinding wheel (15) which are hung on a truss in a hanging mode, a piston rod of the air cylinder (13) is fixedly connected with the balance frame (14), the balance frame (14) is fixedly connected with a hanging bracket (16), the hanging bracket (16) is fixedly connected with a supporting block (17), the supporting block (17) is fixedly connected with an expansion sleeve (18), the expansion sleeve (18) is fixedly connected with the inner grinding wheel (15), and the inner grinding wheel (15) is abutted to the inner side wall of a steel pipe (24).

2. The steel pipe end grinding and rust removing device for ship construction as claimed in claim 1, wherein: operation platform (2) fixed connection junk slot (20), junk slot (20) are located steel pipe (24) under to its inside chassis (21) of having placed, chassis (21) fixed connection riser (22), riser (22) fixed connection magnetic sheet (23), magnetic sheet (23) are the flaky permanent magnet of circle to it is matrix evenly distributed in the both sides of riser (22).

3. The steel pipe end grinding and rust removing device for ship construction as claimed in claim 1, wherein: the wheel surface width of the pressing wheel (5) is equal to the wheel surface width of the outer grinding wheel (3), and the wheel surface of the pressing wheel (5) is sleeved with a cleaning cotton sleeve.

4. The steel pipe end grinding and rust removing device for ship construction as claimed in claim 1, wherein: bracing (7) bottom fixed connection slider (10), slider (10) are "T font" structure to operation platform (2) are equipped with slider (10) assorted spout (11), spout (11) below is equipped with rectangle through groove (12), and fastening bolt passes behind the rectangle through groove (12) threaded connection slider (10).

5. The steel pipe end grinding and rust removing device for ship construction as claimed in claim 1, wherein: the bottom of the balancing stand (14) is an arc-shaped curved surface, the arc-shaped curved surface is fixedly connected with two balancing wheels (19), and the balancing wheels (19) are abutted to the steel pipe (24).

6. The steel pipe end grinding and rust removing device for ship construction as claimed in claim 1, wherein: the two telescopic sleeves (18) are arranged in an axisymmetric manner about the hanging bracket (16), the telescopic sleeves (18) are formed by sleeving two telescopic joints, the inside of the telescopic joint at the periphery is also sleeved with a wave spring, and two ends of the wave spring are respectively abutted against the two telescopic joints.