CN216420698U

CN216420698U - Inner leveling device of thin-wall steel pipe

Info

Publication number: CN216420698U
Application number: CN202123124191.7U
Authority: CN
Inventors: 朱瑛; 姚巍
Original assignee: Wuxi Fuhui Steel Pipe Co ltd
Current assignee: Wuxi Fuhui Steel Pipe Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-03
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to a thin wall steel pipe processing technology field especially relates to an interior leveling device of thin wall steel pipe, including base, fixed plate, actuating mechanism and expansion end, slide through electric screw on the base and be provided with the regulation seat, the fixed plate welds on adjusting the seat, and actuating mechanism installs on the lateral wall of fixed plate, and the expansion end rotates and sets up on actuating mechanism's the other end, installs the controller on the opposite side lateral wall of fixed plate, one side of expansion end is the disc, and the opposite side is the round platform, and the disc is equipped with a plurality of adjustment tabs for solid construction and its outer wall, and one side of adjustment tab is connected with electric putter, and electric putter inlays between the inner wall of disc, and the round platform has welded two guide arms of relative setting for between cavity structure and its inner wall, slides through the push rod motor on the guide arm and is equipped with the expansion seat. Compared with the prior art, the utility model discloses the problem that appears at the flattening in-process and take place the scraping and lead to the flaw with thin wall steel pipe inner wall has been solved effectively.

Description

Inner leveling device of thin-wall steel pipe

Technical Field

The utility model relates to a thin wall steel pipe processing technology field especially relates to an interior leveling device of thin wall steel pipe.

Background

The thin-wall steel pipe is a steel pipe with the ratio of the outer diameter to the wall thickness of the steel pipe being more than 20, and the thin-wall steel pipe is formed by cold drawing, wherein the thin-wall steel pipe made of carbon steel, low alloy steel and alloy steel is suitable for general structures and mechanical structural parts; the thin-wall fluid steel pipe is used for conveying general fluid; the stainless steel thin-wall pipe is used for industrial heat-resistant containers, conveying pipelines and mechanical structural parts, such as chemical engineering, petroleum, light industry, food, mechanical instruments and the like.

In the patent "a steel pipe inner wall rust removing and grinding device" disclosed in publication No. CN205394173U, a walking motor drives a sliding table to walk, a driving motor drives a rotating shaft to rotate, and the two are combined to make a wire brush/grinding wheel move back and forth and rotate in a steel pipe, thereby realizing the rust removing/grinding function for the inner wall of the steel pipe.

However, in most of the inner wall processing processes of the thin-walled steel pipe, the inner wall is required to be leveled due to the unevenness of the inner wall, and in the processing process of the device, although the leveling effect of the inner wall can be realized through the back-and-forth movement of the grinding wheel, when the local part of the thin-walled steel pipe is recessed inwards, the grinding wheel moves forwards, and the recessed inner wall is just contacted with the grinding wheel, so that scratches are generated and flaws are left again, and therefore, an inner leveling device of the thin-walled steel pipe is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an inner leveling device of a thin-wall steel pipe.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an inner leveling device of a thin-walled steel pipe comprises a base, a fixed plate, a driving mechanism and a movable end, wherein an adjusting seat is arranged on the base in a sliding mode through an electric screw rod, the fixed plate is welded on the adjusting seat, the driving mechanism is installed on the side wall of the fixed plate, the movable end is rotatably arranged at the other end of the driving mechanism, and a controller is installed on the side wall of the other side of the fixed plate;

one side of expansion end is the disc, the opposite side is the round platform, the disc is solid construction and is equipped with a plurality of regulating segments on its outer wall, one side of regulating segment is connected with electric putter, electric putter inlays between the inner wall of disc, the round platform has welded two guide arms of relative setting for between cavity structure and its inner wall, it is equipped with the sliding seat to slide through the push rod motor on the guide arm, there is the connecting rod through the hub connection on the sliding seat, be equipped with the kickball on the outer end of connecting rod, and seted up the wall groove on one side lateral wall of connecting rod, it is provided with the regulating block to slide in the wall groove, it has the turning handle still to connect through the hub connection between regulating block and the sliding seat, the turning handle still is connected with swivel seat one of being connected.

Preferably, the driving mechanism comprises a linear motor and a rotating motor, the linear motor is mounted on the fixing plate through screws, and the rotating motor is embedded in the motor base.

Preferably, the motor base is fixed on the output end of the linear motor through screws, and the end portion of the rotating shaft of the rotating motor and the end wall of the movable end are also fixed through screws.

Preferably, the electric screw is installed in the base, the adjusting seat is of a right-angle C-shaped structure, a guide plate is welded between the side walls of the adjusting seat, and the electric screw is inserted into the guide plate and is in threaded transmission with the guide plate.

Preferably, the radian of adjustment sheet is unanimous with the radian of disc, and offers the recess with adjustment sheet equivalent and adaptation on the outer wall of disc, and the adjustment sheet still has inlayed first sensor on the surface.

Preferably, the outer wall of the circular truncated cone is provided with adjusting holes at two opposite positions, the connecting rod is movably arranged between the inner walls of the adjusting holes, and the rotating handle is movably arranged in the middle of the adjusting holes.

Preferably, the top ball and the connecting rod are connected into a whole, and a plurality of second sensors are uniformly embedded on the surface of the top ball.

Preferably, a guide shaft arranged along the length direction of the connecting rod is welded between the inner walls of the wall grooves, and the adjusting block slides on the guide shaft.

The utility model has the advantages that:

1. the movable end is arranged to be a combination body of the disc and the circular truncated cone, the connecting rod, the ejection ball, the movable seat, the guide rod and the rotating handle are arranged on the circular truncated cone, the movable seat slides back and forth along the guide rod, the rotating handle rotates along with the rotating motor, the connecting rod is driven by the adjusting block to rotate synchronously, the ejection ball can flatten the inner wall, inwards concave, of the thin-wall steel pipe under the driving of the connecting rod, and the probability of scraping is reduced for the secondary leveling process.

2. The movable end is arranged to be a combination of the disc and the circular truncated cone, the disc is provided with the plurality of adjusting pieces, the disc extends into the thin-wall steel tube, the adjusting pieces are in contact with the inner wall of the thin-wall steel tube through the driving of the electric push rod, and then the adjusting pieces and the disc continuously rotate synchronously to move back and forth, so that the inner wall of the thin-wall steel tube is leveled secondarily.

In conclusion, according to the inner leveling device for the thin-wall steel pipe, the inner wall of the thin-wall steel pipe is flattened through the jacking ball, then the flattened inner wall is leveled through the adjusting sheet, and the problem that flaws are caused due to scraping with the inner wall of the thin-wall steel pipe in the leveling process is effectively solved.

Drawings

Fig. 1 is a schematic structural view of an internal leveling device for thin-walled steel pipes according to the present invention;

fig. 2 is a schematic view of the connection between the adjusting sheet and the movable end of the inner leveling device for thin-walled steel pipes according to the present invention;

fig. 3 is a schematic view of the installation and adjustment of the top ball of the inner leveling device for thin-walled steel pipes according to the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3.

In the figure: 1. a base; 11. an electric screw; 12. an adjusting seat; 2. a fixing plate; 21. a controller; 22. a linear motor; 23. a rotating electric machine; 3. a movable end; 31. a regulating sheet; 311. a first sensor; 4. ejecting the ball; 41. a second sensor; 5. a guide bar; 51. a movable seat; 6. a connecting rod; 61. a guide shaft; 62. an adjusting block; 7. and (7) rotating a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the embodiment, referring to fig. 1-4, an inner leveling device for a thin-walled steel tube comprises a base 1, a fixed plate 2, a driving mechanism and a movable end 3, wherein an adjusting seat 12 is slidably arranged on the base 1 through an electric screw 11, the adjusting seat 12 is arranged to drive the movable end 3 to move and adjust, the fixed plate 2 is welded on the adjusting seat 12, the driving mechanism is arranged on the side wall of the fixed plate 2, the movable end 3 is rotatably arranged at the other end of the driving mechanism, and a controller 21 is arranged on the side wall of the other side of the fixed plate 2;

the driving mechanism comprises a linear motor 22 and a rotating motor 23, the linear motor 22 is installed on the fixing plate 2 through screws, the rotating motor 23 is embedded in a motor base, the motor base is fixed on the output end of the linear motor 22 through screws, the end part of a rotating shaft of the rotating motor 23 is also fixed with the end wall of the movable end 3 through screws, the outer walls of the motor ends of the linear motor 22 and the rotating motor 23 are not exposed out of the area surrounded by the outer wall of the movable end 3, and therefore the purpose is that the driving mechanism can be moved into the thin-wall steel pipe conveniently;

one side of the movable end 3 is a disc, the other side is a circular table, the disc is of a solid structure, the outer wall of the disc is provided with a plurality of adjusting pieces 31, the adjusting pieces 31 are used for leveling the inner wall of the thin-walled steel pipe, one side of each adjusting piece 31 is connected with an electric push rod, the electric push rod is embedded between the inner walls of the disc, the circular table is of a cavity structure, two guide rods 5 which are oppositely arranged are welded between the inner walls of the circular table, the guide rods 5 are arranged to guide movable seats 51, the movable seats 51 are arranged on the guide rods 5 in a sliding mode through push rod motors, the push rod motors are installed on the inner walls of the circular table through screws, the movable seats 51 are connected with connecting rods 6 through shafts, the connecting rods 6 are arranged to drive the jacking balls 4 to rotate and adjust, jacking balls 4 are arranged on the outer ends of the connecting rods 6, the jacking balls 4 are arranged to flatten the inner wall of the thin-walled steel pipe, the jacking balls 4 are connected with the connecting rods 6 into a whole, and a plurality of second sensors 41 are uniformly embedded on the surfaces of the jacking balls 4, and seted up the wall groove on the lateral wall of one side of connecting rod 6, the welding has the guide axle 61 that sets up along connecting rod 6 length direction between the inner wall in wall groove, the setting of guide axle 61 has the guide effect to adjusting block 62, adjusting block 62 slides on guide axle 61, still there is turning handle 7 through the hub connection between adjusting block 62 and the sliding seat 51, turning handle 7 has the drive effect to connecting rod 6, still be connected with the rotating motor on the end that turning handle 7 and sliding seat 51 are connected, the rotating motor passes through the screw and installs on the outer wall of sliding seat 51.

Further, the electric screw 11 is installed in the base 1, the adjusting seat 12 is in a right-angle C-shaped structure, a guide plate is welded between the side walls of the adjusting seat, a guide hole matched with the guide plate is formed in the side wall of the base 1, and the electric screw 11 is inserted into the guide plate and is in threaded transmission with the guide plate; the radian of the adjusting sheet 31 is consistent with that of the disc, a groove which is equal to and matched with the adjusting sheet 31 is formed in the outer wall of the disc, a first sensor 311 is embedded in the surface of the adjusting sheet 31, and the first sensor 311 and the second sensor 41 are both contact sensors and are both connected with the controller 21 through electric signals; the outer wall of the circular truncated cone is provided with two opposite positions with adjusting holes, the connecting rod 6 is movably arranged between the inner walls of the adjusting holes, and the rotating handle 7 is movably arranged in the middle of the adjusting holes.

The working principle is as follows: firstly, starting a linear motor 22 and a rotating motor 23, wherein the linear motor 22 drives the movable end 3 to move along the horizontal direction, and the rotating motor 23 drives the movable end 3 to rotate while moving horizontally; then, the movable end 3 is made to extend into the thin-wall steel pipe, after the movable end extends into the thin-wall steel pipe, a push rod motor and a rotary motor are started, the rotary motor drives the rotating handle 7 to rotate, the rotary handle 7 rotates to drive the adjusting block 62 to move synchronously, the adjusting block 62 slides along the guide shaft 61, so that the connecting rod 6 is driven to rotate synchronously, meanwhile, the push rod motor drives the movable seat 51 to slide along the guide rod 5, so that the top ball 4 moves synchronously along with the connecting rod 6, when the top ball 4 contacts with the inner wall of the thin-wall steel pipe in the moving process, the second sensor 41 is triggered, the push rod motor and the rotary motor are stopped temporarily, at the moment, the electric push rod is started to drive the adjusting piece 31 to move outwards, and when the adjusting piece 31 also contacts with the inner wall of the thin-wall steel pipe, the first sensor 311 is triggered, and the electric push rod is stopped temporarily; then, under the action of the driving mechanism, the movable end 3 starts to move from one side to the other side along the inner wall of the thin-wall steel tube, in the moving process, the jacking ball 4 flattens the concave part on the inner wall firstly, then, the flattened inner wall is flattened again by the adjusting sheet 31, and after the flattening is finished, the assembly is reset.

Wherein, when actuating mechanism's flexible length was not enough to reach the other end of thin wall steel pipe, the accessible was adjusted the removal of seat 12 and is come further extension flattening scope this moment, starts electric screw 11, makes it order to order about the baffle to slide to one side along the guide hole to drive fixed plate 2 and remove, make expansion end 3 can continue to remove and carry out the flattening along the inner wall of thin wall steel pipe.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An inner leveling device of a thin-walled steel tube comprises a base (1), a fixed plate (2), a driving mechanism and a movable end (3), wherein an adjusting seat (12) is arranged on the base (1) in a sliding mode through an electric screw (11), the fixed plate (2) is welded on the adjusting seat (12), the driving mechanism is installed on the side wall of the fixed plate (2), the movable end (3) is rotatably arranged at the other end of the driving mechanism, and a controller (21) is installed on the side wall of the other side of the fixed plate (2);

it is characterized in that one side of the movable end (3) is a disc, the other side is a circular truncated cone, the disc is of a solid structure, the outer wall of the disc is provided with a plurality of adjusting sheets (31), one side of each adjusting sheet (31) is connected with an electric push rod, the electric push rod is embedded between the inner walls of the disc, the circular truncated cone is of a cavity structure, two guide rods (5) which are oppositely arranged are welded between the inner walls of the circular truncated cone, a movable seat (51) is arranged on each guide rod (5) in a sliding mode through a push rod motor, a connecting rod (6) is connected onto each movable seat (51) through a shaft, a jacking ball (4) is arranged at the outer end of each connecting rod (6), and a wall groove is formed in the side wall of one side of the connecting rod (6), an adjusting block (62) is arranged in the wall groove in a sliding mode, a rotating handle (7) is connected between the adjusting block (62) and the movable seat (51) through a shaft, and a rotating motor is connected to one end, connected with the movable seat (51), of the rotating handle (7).

2. The internal flattening device of a thin-walled steel tube according to claim 1, characterized in that the driving mechanism comprises a linear motor (22) and a rotary motor (23), the linear motor (22) is mounted on the fixing plate (2) through screws, and the rotary motor (23) is embedded in a motor base.

3. The internal leveling device of the thin-walled steel tube as claimed in claim 2, wherein the motor base is fixed on the output end of the linear motor (22) through screws, and the rotating shaft end of the rotating motor (23) and the end wall of the movable end (3) are also fixed through screws.

4. The internal leveling device of the thin-walled steel tube according to claim 1, wherein the electric screw (11) is installed in the base (1), the adjusting seat (12) is of a right-angle C-shaped structure, a guide plate is welded between the side walls of the adjusting seat, and the electric screw (11) is inserted into the guide plate and is in threaded transmission with the guide plate.

5. The internal leveling device of the thin-walled steel tube as claimed in claim 1, wherein the radian of the adjusting sheet (31) is consistent with that of the disc, the outer wall of the disc is provided with a groove which is equivalent to and matched with the adjusting sheet (31), and the surface of the adjusting sheet (31) is embedded with a first sensor (311).

6. The internal leveling device of the thin-walled steel tube according to claim 1, wherein the outer wall of the circular truncated cone is provided with adjusting holes at two opposite positions, the connecting rod (6) is movably arranged between the inner walls of the adjusting holes, and the rotating handle (7) is movably arranged in the middle of the adjusting holes.

7. The internal leveling device of the thin-walled steel pipe according to claim 1, wherein the top ball (4) and the connecting rod (6) are connected into a whole, and a plurality of second sensors (41) are uniformly embedded on the surface of the top ball.

8. The internal flattening device of a thin-walled steel tube according to claim 1, characterized in that a guide shaft (61) arranged along the length direction of the connecting rod (6) is welded between the inner walls of the wall groove, and the adjusting block (62) slides on the guide shaft (61).