CN212397725U

CN212397725U - Bending equipment for welded steel pipe

Info

Publication number: CN212397725U
Application number: CN202021152827.1U
Authority: CN
Inventors: 孙如博; 章泰; 孙智宸; 孙壁暄
Original assignee: Wenzhou Pentium Stainless Steel Pipe Co ltd
Current assignee: Wenzhou Pentium Stainless Steel Pipe Co ltd
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-01-26
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses a equipment of bending of welding steel pipe, its technical scheme main points are: the automatic feeding device comprises a retainer, wherein a fixed block is fixedly arranged at the upper end of the retainer, a first roller shaft is rotatably connected to the central position of the fixed block, a lower compression roller is fixedly arranged on the first roller shaft, a sliding block is slidably arranged at the upper end of the retainer corresponding to the position above the fixed block, a second roller shaft is rotatably connected to the central position of the sliding block, an upper compression roller is fixedly arranged on the second roller shaft, a support table is fixedly arranged at the top end of the retainer, a hydraulic box is fixedly arranged at the upper end of the support table, a piston rod is fixedly arranged at the upper end of the hydraulic box, the top end of the piston rod is fixedly connected with a cross beam, guide rods are fixedly connected to the left end and the right end; the utility model provides an use same equipment to the steel sheet of different thickness to carry out the heat dissipation problem of bending and compression roller continuation work process.

Description

Bending equipment for welded steel pipe

Technical Field

The utility model belongs to the technical field of the equipment technique of bending and specifically relates to a equipment of bending of welding steel pipe.

Background

The welded steel pipe is also called as welded pipe, and is made up by using steel plate or band steel through the processes of coiling and forming and welding. The production process of welded steel pipe is to roll long steel strip into circular pipe and weld straight seam to form steel pipe. On the existing production line of welded steel pipes, a large-scale press presses a strip-shaped steel plate which is cut into a certain specification and size in advance into a U shape, then a plurality of presses are utilized to gradually bend a U-shaped pipe blank into an O shape, and then the steel pipes are welded and formed through a welding process.

There are the following problems:

1. the width of a gap between an upper compression roller and a lower compression roller of the existing bending equipment for welding steel pipes is fixed, the steel plates with specific thickness can only be subjected to bending treatment, the steel plates needing to be bent in actual production are not fixed in thickness, and the application efficiency of the bending equipment is ensured to be improved.

2. The existing bending equipment for welding steel pipes has the advantages that after long-time working operation, the compression roller can generate heat, and the normal operation of the equipment can be influenced by untimely heat dissipation.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a bending equipment of welding steel pipe to the problem that can not the bending thick steel plate and compression roller generate heat mentioned in the solution background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a bending device for welding steel pipes comprises a retainer, wherein a fixed block is fixedly arranged at the upper end of the retainer, the center of the fixed block is rotationally connected with a first roll shaft, a lower press roll is fixedly arranged on the first roll shaft, a sliding block is arranged at the upper end of the retainer in a sliding way at a position corresponding to the upper part of the fixed block, the center position of the sliding block is rotationally connected with a second roll shaft, an upper press roller is fixedly arranged on the second roller shaft, a supporting table is fixedly arranged at the top end of the retainer, the upper end of the supporting platform is fixedly provided with a hydraulic tank, the upper end of the hydraulic tank is fixedly provided with a piston rod, the top end of the piston rod is fixedly connected with a cross beam, the left end and the right end of the cross beam are fixedly connected with guide rods, the lower end of the guide rod is fixedly connected with the sliding block, the lower end of the retainer is fixedly provided with a supporting plate, and the upper end of the supporting plate and the lower end of the supporting table are respectively and fixedly provided with a fan.

Furthermore, scale marks are arranged at the positions, corresponding to the upper part of the fixed block, of the two sides of the retainer 1.

Further, the retainer is fixedly connected with the fixing block through bolts.

Furthermore, a buffer pad is fixedly arranged at the joint of the piston rod and the cross beam.

Furthermore, round holes are formed in the two sides of the retainer and in the middle of the support platform, and the guide rod penetrates through the round holes.

Furthermore, the casing of the fan is fixedly arranged on the supporting plate through a nut.

Furthermore, a plurality of fan blades are rotatably arranged in the middle of the casing.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a, through setting up hydraulic drive's slider, the last compression roller that makes the equipment of bending realizes reciprocating to be applicable to treating of different thickness and pressing the steel sheet, avoided the loaded down with trivial details step of changing the compression roller in production, improved production efficiency, optimized operation flow.

2. The utility model discloses a, through the lower extreme is fixed respectively and is set up the fan on the retainer, dispel the heat to lasting moving upper and lower compression roller, avoid the high temperature harm equipment of bending that continuous operation produced, delayed the life of equipment.

3. The utility model discloses a, through set up the blotter on the piston rod top, the crossbeam on impact force damage top in having avoided piston rod reciprocating motion.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a side view of the present embodiment;

FIG. 3 is a schematic structural view of the fan of the present invention;

fig. 4 is a cross-sectional view taken at a-a in fig. 2.

In the figure: 1. a holder; 101. scale lines; 2. a fixed block; 201. a bolt; 3. a first roller shaft; 4. a lower pressing roller; 5. a slider; 6. a second roller shaft; 7. an upper compression roller; 8. a support table; 9. a hydraulic tank; 10. a guide bar; 11. a cross beam; 12. a piston rod; 13. a fan; 1301. a housing; 1302. a fan blade; 1303. a nut; 14. and a support plate.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-2, a bending apparatus for welded steel pipes comprises a holder 1, a fixed block 2 is fixedly disposed at the upper end of the holder 1, a first roller shaft 3 is rotatably connected to the central position of the fixed block 2, a lower pressure roller 4 is fixedly disposed on the first roller shaft 3, a slider 5 is slidably disposed at the upper end of the holder 1 corresponding to the position above the fixed block 2, a second roller shaft 6 is rotatably connected to the central position of the slider 5, an upper pressure roller 7 is fixedly disposed on the second roller shaft 6, a support platform 8 is fixedly disposed at the top end of the holder 1, a hydraulic tank 9 is fixedly disposed at the upper end of the support platform 8, a piston rod 12 is fixedly disposed at the upper end of the hydraulic tank 9, the top end of the piston rod 12 is fixedly connected with a cross beam 11, guide rods 10 are fixedly connected to the left and right ends of the cross beam 11, the lower ends of, the upper end of the supporting plate 14 and the lower end of the supporting base 8 are respectively fixedly provided with a fan 13. The utility model discloses a main objective makes same platform equipment of bending press the steel sheet of different thickness to bend, sets up but height-adjusting's last compression roller 7, treats according to the difference the thickness of steel sheet of pressing, adjusts the size in gap between last compression roller 7 and the lower compression roller 4, has improved the application scope of equipment of bending, has practiced thrift manufacturing cost. In the steel plate bending process, the lower pressing roller 4 and the upper pressing roller 7 can generate heat, and the fans 13 are arranged at the upper end and the lower end of the steel plate, so that the heat dissipation effect of the lower pressing roller 4 and the heat dissipation effect of the upper pressing roller 7 are achieved, and the service life of equipment is effectively prolonged.

Referring to fig. 1 and 2, scale marks 101 are arranged at positions on two sides of the holder 1 corresponding to the upper side of the fixing block 2, so that a worker can conveniently adjust the position of the upper compression roller 7 according to the thickness of the steel plate.

Referring to fig. 1 and 2, the retainer 1 is fixedly connected with the fixing block 2 through a bolt 201, and the fixedly arranged parts improve the stability of the device in the working process.

Referring to fig. 1 and 2, a buffer pad is fixedly arranged at the joint of the piston rod 12 and the cross beam 11, so that damage to the cross beam 11 caused by repeated movement of the piston rod 12 is effectively reduced.

Referring to fig. 1 and 2, round holes are formed in the two sides of the retainer 1 and the middle position of the support table 8, the guide rod 10 penetrates through the round holes, and the hydraulic machine provides power for the guide rod 10 to drive the slide block 5 to slide up and down, so that the upper press roll 7 can be adjusted.

Referring to fig. 1 and 3, a casing 1301 of the fan 13 is fixedly provided on the support plate 14 by a nut 1303.

Referring to fig. 3, a plurality of fan blades 1302 are rotatably disposed at the middle position of the housing 1301.

The utility model discloses theory of operation and use flow: the utility model provides a equipment of bending of welding steel pipe, when using, the staff is at first according to waiting to press the thickness of steel plate to adjust the gap size between compression roller 4 and the last compression roller 7 down, control hydraulic pressure case 9, make piston rod 12 pressurized upwards rise, crossbeam 11 is along with piston rod 12 upwards rises, and drive the guide bar 10 rebound of crossbeam 11 both ends, under the pulling of guide bar 10, slider 5 upwards slides, refer to scale mark 101 on the holder 1, stop slider 5 in suitable position department, then rectangular shape is waited to press the steel plate to be pressed into the U type through last compression roller 7 and compression roller 4 down.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a equipment of bending of welding steel pipe, includes holder (1), its characterized in that: the upper end of the retainer (1) is fixedly provided with a fixed block (2), the central position of the fixed block (2) is rotatably connected with a first roller shaft (3), a lower compression roller (4) is fixedly arranged on the first roller shaft (3), the upper end of the retainer (1) is provided with a sliding block (5) corresponding to the position above the fixed block (2) in a sliding manner, the central position of the sliding block (5) is rotatably connected with a second roller shaft (6), the second roller shaft (6) is fixedly provided with an upper compression roller (7), the top end of the retainer (1) is fixedly provided with a support table (8), the upper end of the support table (8) is fixedly provided with a hydraulic tank (9), the upper end of the hydraulic tank (9) is fixedly provided with a piston rod (12), the top end of the piston rod (12) is fixedly connected with a cross beam (11), and the left end and right end of the cross beam (, the lower end of the guide rod (10) is fixedly connected with the sliding block (5), the lower end of the retainer (1) is fixedly provided with a support plate (14), and the upper end of the support plate (14) and the lower end of the support table (8) are respectively and fixedly provided with a fan (13).

2. The press bending apparatus of welded steel pipes according to claim 1, wherein: and scale marks (101) are arranged at the positions, corresponding to the upper part of the fixing block (2), of the two sides of the retainer (1).

3. The press bending apparatus of welded steel pipes according to claim 1, wherein: the retainer (1) is fixedly connected with the fixing block (2) through a bolt (201).

4. The press bending apparatus of welded steel pipes according to claim 1, wherein: and a buffer pad is fixedly arranged at the joint of the piston rod (12) and the cross beam (11).

5. The press bending apparatus of welded steel pipes according to claim 1, wherein: round holes are formed in the two sides of the retainer (1) and the middle position of the support platform (8), and the guide rod (10) penetrates through the round holes.

6. The press bending apparatus of welded steel pipes according to claim 1, wherein: the shell (1301) of the fan (13) is fixedly arranged on the supporting plate (14) through a nut (1303).

7. The press bending apparatus of welded steel pipes according to claim 6, wherein: the middle position of the machine shell (1301) is rotatably provided with a plurality of fan blades (1302).