CN209936513U

CN209936513U - Novel steel pipe internal grinding machine for hot-expanding steel pipe

Info

Publication number: CN209936513U
Application number: CN201920456937.8U
Authority: CN
Inventors: 王永智
Original assignee: Tianjin Luhai Steel Pipe Co Ltd
Current assignee: Tianjin Luhai Steel Pipe Co Ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-01-14
Anticipated expiration: 2029-04-08

Abstract

The utility model relates to a steel pipe processing technology field specifically discloses a novel hot expanding steel pipe internal grinding machine, to the inconvenient problem of polishing the steel pipe of different thicknesses of internal grinding machine now, proposes following scheme, including the steel pipe main part, the inside movable sleeve of steel pipe main part is equipped with the movable rod that the level set up, the movable rod stretches into the driving motor that the inside one end fixed connection of steel pipe main part has the level to set up, the terminal welding of driving motor's output shaft has the first disc that sets up along vertical direction, one side array welding that first disc is close to driving motor has four sleeves, one side inner wall connection that the sleeve is close to driving motor has the spring, the one end that driving motor was kept away from to the spring is connected with movable sleeve and establishes the bracing piece inside the sleeve. The utility model relates to a novelty, easy operation is through the distance of adjusting brush board to steel pipe inner wall to the convenience is polished the steel pipe of different thicknesses and is handled, improves the suitability of device.

Description

Novel steel pipe internal grinding machine for hot-expanding steel pipe

Technical Field

The utility model relates to a steel pipe processing technology field especially relates to a novel hot expanding steel pipe is interior mill of steel pipe.

Background

Hot expansion is a processing mode of steel pipes, and is to process a small-caliber steel pipe into a large-caliber steel pipe. The thermal expansion steel pipe is slightly inferior to the hot rolled steel pipe in mechanical properties.

The hot-expanding steel pipe needs to be subjected to a plurality of processing procedures after being produced, for example, the inner wall and the outer wall of the steel pipe are polished, however, the outer wall of the steel pipe is easy to polish and convenient to operate, but when the inner wall of the steel pipe is polished, the inner wall of the steel pipe is inconvenient to polish, particularly for polishing the inner wall of the thin steel pipe, polishing equipment is difficult to extend into the steel pipe, and therefore a novel steel pipe inner grinding machine for the hot-expanding steel pipe is provided.

Disclosure of Invention

The utility model provides a novel hot expanding steel pipe is interior mill of steel pipe has solved the inconvenient steel pipe to different thicknesses of current interior mill and has polished the problem of polishing.

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

a novel steel tube inner grinding machine for hot-expanding steel tubes comprises a steel tube main body, wherein a horizontally arranged movable rod is movably sleeved in the steel tube main body, one end, extending into the steel tube main body, of the movable rod is fixedly connected with a horizontally arranged driving motor, a first disc arranged in the vertical direction is welded at the tail end of an output shaft of the driving motor, four sleeves are welded at one side, close to the driving motor, of the first disc in an array mode, a spring is connected to the inner wall of one side, close to the driving motor, of each sleeve, one end, far away from the driving motor, of each spring is connected with a supporting rod movably sleeved in each sleeve, a brush plate is welded at one end, far away from the spring, of each supporting rod is hinged to one side, far away from the first disc, of one end, close to the spring, of each supporting rod is, and one side of the bearing, which is close to the driving motor, is fixedly connected with two push rod motors, and the push rod motors are connected with the inner ring of the bearing.

Preferably, the second disc is provided with a mounting hole inside, the outer ring of the bearing is welded with the inner wall of the mounting hole, and the movable rod penetrates through the inner ring of the bearing.

Preferably, the push rod motor, the bearing and the driving motor are connected through bolts, and the movable rod is connected with the driving motor through bolts.

Preferably, a connecting hole is formed in the wall of the sleeve, which is far away from the first disc, along the height direction of the sleeve, and the connecting rod penetrates through the connecting hole.

Preferably, the vertical section of the brush plate is of a circular arc structure, and a steel wire brush is fixedly connected to one side of the brush plate, which is far away from the support rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an install first disc, the second disc, the movable rod, driving motor, the push rod motor, the connecting rod, the bracing piece, the sleeve, spring and brush board isotructure, wherein the push rod motor drives the second disc and removes, and the second disc can stimulate the connecting rod when removing and remove, the connecting rod removes then can adjust the bracing piece and stretch out telescopic length, just so can change the distance of brush board and steel pipe inner wall, thereby the convenience polishes the steel pipe of different thicknesses, the device is novel in design, the operation is thus simple, through adjusting the distance of brush board to steel pipe inner wall, thereby the convenience polishes the steel pipe of different thicknesses, the suitability of device is improved.

Drawings

FIG. 1 is a schematic view of a partial front view of a novel steel tube inner grinding machine for hot-expanding steel tubes according to the present invention;

FIG. 2 is a schematic diagram of a side view of a part of the novel steel tube inner grinding machine for hot-expanding steel tubes provided by the present invention;

fig. 3 is a schematic structural diagram of a second disc and a bearing of the novel steel tube inner mill for hot-expanding steel tubes, which is provided by the utility model.

In the figure: the device comprises a steel tube main body 1, a movable rod 2, a driving motor 3, a first disk 4, a sleeve 5, a supporting rod 6, a brush plate 7, a connecting rod 8, a second disk 9, a bearing 10, a push rod motor 11 and a spring 12.

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.

Referring to fig. 1-3, a novel steel tube inner mill for hot-expanding steel tubes comprises a steel tube main body 1, a horizontally arranged movable rod 2 is movably sleeved inside the steel tube main body 1, one end of the movable rod 2 extending into the steel tube main body 1 is fixedly connected with a horizontally arranged driving motor 3, a first disc 4 arranged in the vertical direction is welded at the tail end of an output shaft of the driving motor 3, four sleeves 5 are welded at one side of the first disc 4 close to the driving motor 3 in an array manner, a spring 12 is connected to the inner wall of one side of the sleeves 5 close to the driving motor 3, a support rod 6 movably sleeved inside the sleeves 5 is connected at one end of the spring 12 far away from the driving motor 3, a brush plate 7 is welded at one end of the support rod 6 far away from the spring 12, a connecting rod 8 is hinged at one side of the support rod 6 close to the spring 12 far away from the first disc, the bearing 10 is fixedly sleeved in the second disc 9, two push rod motors 11 are fixedly connected to one sides of the bearing 10 and the driving motor 3, which are close to each other, and the push rod motors 11 are connected with the inner ring of the bearing 10.

The mounting hole has been seted up to the inside of second disc 9, and the inner wall welding of bearing 10 outer lane and mounting hole, movable rod 2 runs through the inner circle of bearing 10, push rod motor 11 all passes through bolted connection with bearing 10 and driving motor 3, movable rod 2 also passes through bolted connection with driving motor 3, sleeve 5 keeps away from one side section of thick bamboo wall of first disc 4 and has seted up the connecting hole along its direction of height, and connecting rod 8 through connection hole, the perpendicular cross-section of brush board 7 is convex structure, one side fixedly connected with steel brush that bracing piece 6 was kept away from to brush board 7.

In this embodiment, at first, push rod motor 11 drives second disc 9 and removes, and second disc 9 can stimulate connecting rod 8 and remove when removing, connecting rod 8 removes the length that then can adjust bracing piece 6 and stretch out sleeve 5, just so can change the distance of brush board 7 and steel pipe inner wall, and driving motor 3 then can drive first disc 4 and rotate, first disc 4 drives sleeve 5 and bracing piece 6 again and rotates, and then drives brush board 7 and rotates, the convenience polishes the steel pipe of different thicknesses like this, and brush board 7 advances along the inner wall of steel pipe main part 1 and polishes when promoting movable rod 2 then can, the suitability of improvement device.

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. A novel steel tube inner grinding machine for hot-expanding steel tubes comprises a steel tube main body (1) and is characterized in that a movable rod (2) horizontally arranged is arranged in an inner movable sleeve of the steel tube main body (1), one end, extending into the steel tube main body (1), of the movable rod (2) is fixedly connected with a driving motor (3) horizontally arranged, a first disc (4) vertically arranged is welded at the tail end of an output shaft of the driving motor (3), four sleeves (5) are welded on one side, close to the driving motor (3), of the first disc (4) in an array mode, a spring (12) is connected to the inner wall of one side, close to the driving motor (3), of each sleeve (5), one end, far away from the driving motor (3), of each spring (12) is connected with a support rod (6) movably arranged in the corresponding sleeve (5), one end, far away from the spring (12), of each support rod (6) is welded, one side that first disc (4) was kept away from to the one end that bracing piece (6) were close to spring (12) articulates there is connecting rod (8), the one end that bracing piece (6) were kept away from in connecting rod (8) articulates there is second disc (9), the fixed cover in inside of second disc (9) is equipped with bearing (10), two push rod motor (11) of the equal fixedly connected with in one side that bearing (10) and driving motor (3) are close to each other, and push rod motor (11) are connected with the inner circle of bearing (10).

2. The novel steel tube internal grinding machine for the hot-expanding steel tube as claimed in claim 1, wherein a mounting hole is formed in the second disc (9), an outer ring of the bearing (10) is welded with the inner wall of the mounting hole, and the movable rod (2) penetrates through the inner ring of the bearing (10).

3. The steel tube internal grinding machine for the novel hot-expanding steel tube as claimed in claim 1, wherein the push rod motor (11) is connected with the bearing (10) and the driving motor (3) through bolts, and the movable rod (2) is connected with the driving motor (3) through bolts.

4. The steel tube internal grinding machine for the hot-expanding steel tube as claimed in claim 1, wherein a connecting hole is formed in the wall of the sleeve (5) on the side away from the first disc (4) along the height direction of the sleeve, and the connecting rod (8) penetrates through the connecting hole.

5. The steel tube internal grinding machine for the novel hot-expanding steel tube as claimed in claim 1, wherein the vertical section of the brush plate (7) is in an arc structure, and a steel wire brush is fixedly connected to one side of the brush plate (7) far away from the support rod (6).