CN108855714B

CN108855714B - Inner wall spraying device for long pipe

Info

Publication number: CN108855714B
Application number: CN201810906950.9A
Authority: CN
Inventors: 程敬卿; 薛卫昌; 刘泽军
Original assignee: Anhui Ding Heng Manufacturing Technology Research Institute Co Ltd
Current assignee: Anhui Ding Heng Manufacturing Technology Research Institute Co Ltd
Priority date: 2018-08-10
Filing date: 2018-08-10
Publication date: 2020-11-13
Anticipated expiration: 2038-08-10
Also published as: CN108855714A

Abstract

The invention relates to an inner wall spraying device for a long circular tube, which comprises a bottom plate, wherein the left side and the right side of the bottom plate are respectively provided with a movable spraying machine, the movable spraying machines on the left side and the right side are arranged in opposite directions, the middle part of the bottom plate is provided with a rolling mechanism for placing a circular tube, each movable spraying machine comprises a supporting seat, a cross beam, a screw rod, a guide rod, a movable seat, a thermal spraying gun, a long rack, a gear and a motor, the movable seats in the movable spraying machines on the left side and the right side are respectively in an L shape, the gun mouths of the thermal spraying guns on the two movable seats are opposite in direction, the screw rod in the movable spraying machine on the left side is coaxially connected with a short spline shaft and a. The invention adopts a mode of spraying two ends of the circular tube simultaneously, saves spraying time, improves working efficiency, and has the advantages of simple operation, convenient use and high automation degree.

Description

Inner wall spraying device for long pipe

Technical Field

The invention relates to the technical field of spraying machinery, in particular to an inner wall spraying device for a long circular tube.

Background

As is known, the pipe is as one of common pipe fitting among the machining, can carry out the spraying operation to the inner wall of pipe as required sometimes, but, when the diameter of pipe is big and axial dimension is longer, traditional spraying equipment is difficult to get into the pipe insidely, and the process of having sprayed the pipe is long consuming time, and work efficiency is low, and the processing cycle of greatly increased pipe inner wall spraying is unfavorable for accelerating the production beat in workshop and improving enterprise economic benefits.

Disclosure of Invention

In order to avoid and solve the technical problems, the invention provides an inner wall spraying device for a long round pipe.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

the utility model provides an inner wall spraying device for long round pipe, includes the bottom plate, the left side and the right side of bottom plate all are equipped with the removal flush coater, and the removal flush coater on left side and right side is reverse setting, the middle part of bottom plate is equipped with the roll mechanism of placing the pipe.

Remove flush coater include supporting seat, bottom and supporting seat sliding connection's crossbeam, install lead screw and the guide arm that is the level setting on the crossbeam, install removal seat on lead screw and guide arm, install the hot spraying spray gun on removing the seat, the downside of crossbeam is equipped with the long rack that sets up along self length direction, long rack toothing has the gear, be fixed with the motor that drive shaft and gear are coaxial to link to each other on the supporting seat.

In the removal flush coater on left side and right side, remove the seat and all be L shape, and two remove the muzzle orientation of hot spraying spray gun on the seat and opposite.

The screw rod of the movable spraying machine on the left side is coaxially connected with a short spline shaft, and a servo motor for connecting a driving shaft with the screw rod is fixed on the cross beam; and the screw rod of the movable spraying machine on the right side is coaxially connected with a shaft sleeve matched with the short spline shaft and used for transmitting the power of the two screw rods.

Preferably, the rolling mechanism is provided with a driving mechanism and an auxiliary mechanism along the length direction of the bottom plate, and the driving mechanism and the auxiliary mechanism are arranged in parallel along the width direction of the bottom plate.

Preferably, the driving mechanism and the auxiliary mechanism both comprise long rollers arranged along the length direction of the beam, and two shaft ends of each long roller are connected with mounting plates through bearings; and a rotating motor with a driving shaft coaxially connected with the long roller is fixed on the mounting plate of the driving mechanism.

Preferably, the supporting seat is provided with two sliding rails which are arranged along the length direction of the cross beam and matched with the cross beam.

The invention has the beneficial effects that: the spraying device has reasonable structural design, adopts a mode of simultaneously spraying two ends of the circular tube, can avoid spraying dead angles, saves spraying time, improves working efficiency, shortens the processing period of spraying the inner wall of the circular tube, has the advantages of simple operation, convenient use and high automation degree, and is favorable for accelerating the production beat of a workshop and improving the economic benefit of enterprises.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural view of the round tube of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.

As shown in fig. 1 to 3, the inner wall spraying device for the long circular tube comprises a bottom plate 1, wherein movable spraying machines are arranged on the left side and the right side of the bottom plate 1 respectively, the movable spraying machines on the left side and the right side are arranged in opposite directions, and a rolling mechanism 2 for placing a circular tube 16 is arranged in the middle of the bottom plate 1.

Remove flush coater include supporting seat 3, bottom and 3 sliding connection's of supporting seat crossbeam 4, install lead screw 5 and guide arm 6 that are the level setting on crossbeam 4, install removal seat 7 on lead screw 5 and guide arm 6, install the hot spraying spray gun 8 on removing seat 7, the downside of crossbeam 4 is equipped with the long rack 10 that sets up along self length direction, the meshing of long rack 10 has gear 11, be fixed with the motor 12 that drive shaft and gear 11 coaxial link to each other on the supporting seat 3.

In the removal flush coater on left side and right side, remove seat 7 and all be L shape, and two remove the muzzle orientation of hot spraying spray gun 8 on the seat 7 and opposite.

The screw 5 of the movable spraying machine on the left side is coaxially connected with a short spline shaft 13, and a servo motor 9 with a driving shaft connected with the screw 5 is fixed on the cross beam 4; and the screw 5 in the mobile spraying machine on the right side is coaxially connected with a shaft sleeve 14 matched with the short spline shaft 13 to transmit the power of the two screws 5.

The rolling mechanism 2 is provided with a driving mechanism 2a and an auxiliary mechanism 2b along the length direction of the bottom plate 1, and the driving mechanism 2a and the auxiliary mechanism 2b are arranged in parallel along the width direction of the bottom plate 1.

The driving mechanism 2a and the auxiliary mechanism 2b both comprise a long roller 21 arranged along the length direction of the beam 4, and both shaft ends of the long roller 21 are connected with a mounting plate 22 through bearings; a rotating motor 23 with a driving shaft coaxially connected with the long roller 21 is fixed on the mounting plate of the driving mechanism 2 a.

The supporting seat 3 is provided with two sliding rails 15 which are arranged along the length direction of the cross beam 4 and are matched with the cross beam 4.

When the device is used, a long circular tube 16 is placed on the driving mechanism 2a and the auxiliary mechanism 2b, and the height of the supporting seat 3 is preset according to the diameter of the circular tube 16 and the height of the rolling mechanism 2, so that the distribution centers of the two thermal spraying guns 8 are positioned on the axis of the circular tube 16.

Then, the rotating motor 23 is started to drive the long roller 21 to rotate, so that the circular tube 16 rotates around the axis of the circular tube, the motor 12 in the mobile spraying machine is started, the gear 11 rotates and is meshed with the long rack 10, the cross beam 4 slides on the slide rail 15 along the support seat 3, and finally the servo motor 12 stops after the short spline shaft 13 is matched with the shaft sleeve 14.

In an initial state, when the movable spraying machines on the left side and the right side are close to each other, the projections of the thermal spraying spray guns 8 on the two movable bases 7 on the same horizontal plane are distributed in a staggered mode, so that the positions, close to each other, of the two movable spraying machines on the inner wall of the circular tube 16 can be fully sprayed during initial spraying operation, and spraying dead angles are avoided.

Then, start the operation of thermal spray gun 8, realize the spraying to 16 a week of pipe under the rotation of pipe 16, and because the synchronous operation of two thermal spray guns 8, save the spraying time, the efficiency is improved, after the thorough spraying of a round is complete, servo motor 9 drives lead screw 5 rotatory under the parameter of internal settlement, remove seat 7 and follow guide arm 6 and outwards remove a segment distance by pipe 16 under the drive of lead screw 5 and continue the spraying of a round on pipe 16, simultaneously under the cooperation of short integral key shaft 13 and axle sleeve 14, make the removal seat 7 on right side remove.

Finally, the thermal spraying processing of the whole inner wall of the circular tube 16 is completed through a plurality of times of movement of the movable base 7.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an inner wall spraying device for long circular tube, includes bottom plate (1), its characterized in that: the movable coating machines are arranged on the left side and the right side of the bottom plate (1) in a reverse mode, and a rolling mechanism (2) for placing a circular tube (16) is arranged in the middle of the bottom plate (1);

the movable spraying machine comprises a supporting seat (3), a cross beam (4) with the bottom part connected with the supporting seat (3) in a sliding manner, a lead screw (5) and a guide rod (6) which are arranged on the cross beam (4) in a horizontal manner, a movable seat (7) arranged on the lead screw (5) and the guide rod (6), and a thermal spraying spray gun (8) arranged on the movable seat (7), wherein a long rack (10) is arranged on the lower side of the cross beam (4), a gear (11) is meshed with the long rack (10), and a motor (12) with a driving shaft coaxially connected with the gear (11) is fixed on the supporting seat (3);

in the movable spraying machines on the left side and the right side, the movable seats (7) are L-shaped, and the gun mouths of the thermal spraying spray guns (8) on the two movable seats (7) face opposite directions;

the screw rod (5) of the movable spraying machine on the left side is coaxially connected with a short spline shaft (13), and a servo motor (9) with a driving shaft connected with the screw rod (5) is fixed on the cross beam (4); and the screw rod (5) in the movable spraying machine on the right side is coaxially connected with a shaft sleeve (14) matched with the short spline shaft (13) and used for transmitting the power of the two screw rods (5).

2. The inner wall spraying device for the long round pipe as claimed in claim 1, wherein: the rolling mechanism (2) is provided with a driving mechanism (2a) and an auxiliary mechanism (2b) along the length direction of the bottom plate (1), and the driving mechanism (2a) and the auxiliary mechanism (2b) are arranged in parallel along the width direction of the bottom plate (1).

3. The inner wall spraying device for the long round pipe as claimed in claim 2, wherein: the driving mechanism (2a) and the auxiliary mechanism (2b) both comprise long rollers (21) arranged along the length direction of the cross beam (4), and two shaft ends of each long roller (21) are connected with mounting plates (22) through bearings; and a rotating motor (23) with a driving shaft coaxially connected with the long roller (21) is fixed on the mounting plate of the driving mechanism (2 a).

4. The inner wall spraying device for the long round pipe as claimed in claim 1, wherein: the supporting seat (3) is provided with two sliding rails (15) which are arranged along the length direction of the cross beam (4) and matched with the cross beam (4).