Automatic decoiling device for steel pipes

Abstract

The utility model relates to the field of steel pipe processing, and discloses an automatic decoiling device for a steel pipe, which comprises a pipe pushing frame and is characterized in that an automatic pipe opening mechanism is arranged, so that when the steel pipe is conveyed to the position of the automatic pipe opening mechanism through a conveying roller, the steel pipe is continuously conveyed into the pipe opening frame along with the steel pipe; the sharp end of the lower end of the cutter bar penetrating through the middle of the pipe opening frame can cut the upper half portion of a steel pipe into a strip-shaped notch, the wedge-shaped pipe expanding blocks are arranged on the left side and the right side of the lower end of the cutter bar, the steel pipe can extend outwards from the cut position of the strip-shaped notch by means of the inclined faces on the two sides of the two wedge-shaped pipe expanding blocks, and therefore the steel pipe can be flattened in the follow-up process conveniently. A machining worker can rotate the two adjusting screw rods by synchronously screwing the two screwing adjusting rings, after the adjusting screw rods rotate, the adjusting blocks in threaded connection with the outer sides of the adjusting screw rods move in the vertical direction through the adjusting arms and the cutter rod, and therefore the height position of the cutter rod can be adjusted according to the size of a steel pipe.

Description

Technical Field

[0001] The utility model relates to the field of steel pipe processing, in particular to an automatic flattening device for steel pipes. Background Art

[0002] The steel pipe automatic flattening device is a metal material processing equipment, which is mainly used to process round steel pipes into flat metal plates through mechanical automation.

[0003] However, when the existing device is in use, during the process of flattening the steel pipe, although the steel pipe cutting device can cut the steel pipe, for some small-diameter steel pipes, after the steel pipe is cut, due to the small diameter of the steel pipe, the cut steel pipe may be deformed in the subsequent flattening process, and the steel pipe cannot be processed into a flat plate. In addition, during the actual flattening process of the steel pipe, due to the different diameters of different pipes, the steel pipe incision position needs to be adjusted. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides an automatic flattening device for steel pipes, which solves the problem that the current steel pipe flattening device may cause deformation of the cut steel pipes in the subsequent flattening process after the steel pipes are cut, and the steel pipes cannot be processed into a flat plate shape due to the small diameter of the steel pipes.

[0005] To achieve the above purpose, the utility model is implemented through the following technical scheme: an automatic flattening device for steel pipes, comprising a pipe pushing rack, a rear side of the pipe pushing rack is fixedly connected with an opening platform, an upper surface of the opening platform is provided with an automatic pipe opening mechanism, and the automatic pipe opening mechanism comprises a pipe opening rack, a knife rod, a wedge-shaped pipe expanding block, a connecting arm, an adjusting screw and an adjusting block, the lower end of the pipe opening rack is fixedly connected to the upper surface of the opening platform, a knife rod is arranged inside the upper end of the pipe opening rack, a wedge-shaped pipe expanding block is fixedly connected to the left and right sides of the lower end of the knife rod, the upper end of the knife rod is fixedly connected to the lower surface of the adjusting arm, the left and right ends of the adjusting arm are fixedly connected to the inner sides of two adjusting blocks, the two adjusting blocks are respectively slidably connected to the inner sides of the two connecting arms, an adjusting screw is arranged in the middle of the two adjusting blocks, and the adjusting block is threadedly connected to the adjusting screw, the upper end of the adjusting screw is rotatably connected to the lower surface of the connecting arm, the lower end of the adjusting screw is rotatably connected to the upper surface of the opening platform, the upper end of the connecting arm is rotatably connected with an adjusting ring, and the adjusting ring is drivingly connected to the adjusting screw.

[0006] Preferably, a pipe limiting mechanism is provided on both sides of the pipe pushing rack, and the pipe limiting mechanism comprises a support plate, an electric push rod, a fixing frame, a flip arm and an arc groove, and the support plate is fixedly connected to the outer side of the pipe pushing rack.

[0007] Preferably, an electric push rod is fixedly connected to the upper surface of the support plate, and the free end of the electric push rod is rotatably connected to the outer side of the flip arm.

[0008] Preferably, the middle of the flip arm is rotatably connected to the inner sides of the two fixing frames, and the lower ends of the fixing frames are fixedly connected to the upper surface of the pipe pushing frame.

[0009] Preferably, an arc-shaped groove is provided on the inner side of the flip arm.

[0010] Preferably, a strip-leveling mechanism is provided at the rear side of the open platform, and the strip-leveling mechanism comprises a leveling frame, a leveling roller and a leveling platform, and the leveling platform is fixedly connected to the rear side of the open platform.

[0011] Preferably, a leveling frame is fixedly connected to the upper surface of the leveling platform, and a plurality of leveling rollers are arranged in the middle of the leveling frame.

[0012] Preferably, a conducting column is fixedly connected to the rear side of the open pipe rack, and one end of the conducting column away from the pipe rack is arranged on the front side of the leveling roller.

[0013] Preferably, a positioning plate is fixedly connected to the front side of the upper surface of the pipe pushing rack, and a hydraulic push rod is fixedly connected to the rear side of the positioning plate.

[0014] Preferably, the free end of the hydraulic push rod is fixedly connected to a push tube plate, a steel pipe is arranged on the rear side of the push tube plate, the rear end of the steel pipe is arranged on the upper surface of a conveying roller, the conveying roller is rotatably connected to the inner side of a roller bracket, and the roller bracket is arranged on the front side of an open pipe rack.

[0015] Beneficial Effects

[0016] The utility model provides an automatic flattening device for steel pipes. Compared with the prior art, it has the following advantages:

[0017] Beneficial effects:

[0018] 1. In the utility model, through the automatic pipe opening mechanism, when the steel pipe is conveyed to the position of the automatic pipe opening mechanism by the conveying roller, as the steel pipe is continuously fed into the pipe opening rack, the tip of the lower end of the knife rod that runs through the middle of the pipe opening rack can cut the upper half of the steel pipe into a strip-shaped notch. Since wedge-shaped pipe expansion blocks are arranged on both sides of the lower end of the knife rod, when the strip-shaped notch of the steel pipe is cut, the steel pipe can be extended outward from the position where the strip-shaped notch is cut by means of the inclined surfaces on both sides of the two wedge-shaped pipe expansion blocks, so as to facilitate the subsequent flattening of the steel pipe. In addition, the processing personnel can rotate the two adjusting screws by synchronously twisting the two twisting adjustment rings. After the adjusting screw is rotated, the adjusting block connected to the outer side of the adjusting screw through the adjusting arm moves in the vertical direction together with the knife rod, so that the height position of the knife rod can be adjusted according to the size of the steel pipe;

[0019] 2. In the utility model, after the steel pipe to be leveled is placed inside the pipe push rack through the pipe limiting mechanism, the pipe push plate is controlled to move backward together with the steel pipe through the hydraulic push rod. Before the steel pipe moves backward, the flip arm is pushed upward through the output ends of the two electric push rods respectively. At this time, the flip arm rotates around the position of the fixed frame, and the arc groove at the front end of the flip arm fits the upper surface of the steel pipe to prevent the front end of the steel pipe from arching during the subsequent leveling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front three-dimensional structure of an automatic flattening device for steel pipes proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the rear three-dimensional structure of an automatic flattening device for steel pipes proposed by the utility model;

[0022] Figure 3 This is a structural schematic diagram of a pipe limiting mechanism in an automatic flattening device for steel pipes proposed by the utility model;

[0023] Figure 4 This is a structural schematic diagram of an automatic pipe opening mechanism in an automatic pipe flattening device proposed by the utility model;

[0024] Figure 5 The utility model proposes an automatic flattening device for steel pipes Figure 4 A is an enlarged view of the middle image.

[0025] Legend:

[0026] 1. Pipe pushing rack; 2. Opening platform; 3. Steel pipes and tubes; 4. Automatic pipe opening mechanism; 401. Pipe opening rack; 402. Cutter bar; 403. Wedge-shaped pipe expansion block; 404. Connecting arm; 405. Adjusting screw; 406. Adjusting ring; 407. Adjusting block; 408. Conducting column; 409. Adjusting arm; 5. Strip leveling mechanism; 501. Leveling rack; 502. Leveling roller; 503. Leveling platform; 6. Pipe limiting mechanism; 601. Support plate; 602. Electric push rod; 603. Fixed frame; 604. Flip arm; 605. Arc groove; 7. Hydraulic push rod; 8. Pipe pushing plate; 9. Positioning plate; 10. Conveying roller; 11. Roller bracket. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-Figure 5 The utility model provides two technical solutions, which specifically include the following embodiments:

[0029] Embodiment 1:

[0030] An automatic flattening device for steel pipes comprises a pipe pusher 1, a flattening platform 2 is fixedly connected to the rear side of the pipe pusher 1, an automatic pipe opening mechanism 4 is arranged on the upper surface of the flattening platform 2, the automatic pipe opening mechanism 4 comprises a pipe opening frame 401, a knife bar 402, a wedge-shaped pipe expansion block 403, a connecting arm 404, an adjusting screw 405 and an adjusting block 407, the lower end of the pipe opening frame 401 is fixedly connected to the upper surface of the flattening platform 2, a knife bar 402 is arranged through the upper end of the pipe opening frame 401, a tip portion is arranged on the lower surface of the knife bar 402, and wedge-shaped pipe expansion blocks 403 are fixedly connected to the left and right sides of the lower end of the knife bar 402. Since the wedge-shaped pipe expansion blocks 403 are arranged on the left and right sides of the lower end of the knife bar 402, when three strip-shaped notches of the steel pipe are cut open, the two wedge-shaped pipe expansion blocks 403 are used to adjust the pipe opening mechanism 407. The inclined surfaces on both sides can extend the steel pipe 3 outward from the position where the strip-shaped notch is cut, so as to facilitate the subsequent flattening of the steel pipe 3. The upper end of the knife rod 402 is fixedly connected to the lower surface of the adjusting arm 409, and the left and right ends of the adjusting arm 409 are fixedly connected to the inner sides of the two adjusting blocks 407. The two adjusting blocks 407 are respectively slidably connected to the inner sides of the two connecting arms 404. An adjusting screw 405 is provided through the middle of the two adjusting blocks 407, and the adjusting block 407 is threadedly connected to the adjusting screw 405. The upper end of the adjusting screw 405 is rotatably connected to the lower surface of the connecting arm 404, and the lower end of the adjusting screw 405 is rotatably connected to the upper surface of the opening platform 2. The upper end of the connecting arm 404 is rotatably connected to an adjusting ring 406, and the adjusting ring 406 is transmission-connected to the adjusting screw 405.

[0031] During operation, when the steel pipe 3 is conveyed to the position of the automatic pipe opening mechanism 4 by the conveying roller 10, as the steel pipe 3 is continuously fed into the pipe opening rack 401, the tip of the lower end of the knife rod 402 passing through the middle of the pipe opening rack 401 can cut the upper half of the steel pipe into strip-shaped notches. In addition, the processing personnel can rotate the two adjusting screws 405 by synchronously twisting the two adjusting rings 406. After the adjusting screw 405 rotates, the adjusting block 407 threadedly connected to the outer side of the adjusting screw 405 moves in the vertical direction together with the knife rod 402 through the adjusting arm 409, so that the height position of the knife rod 402 can be adjusted according to the size of the steel pipe 3.

[0032] Embodiment 2:

[0033] On the basis of the first embodiment, a pipe limiting mechanism 6 is provided on both sides of the pipe pushing rack 1. The pipe limiting mechanism 6 includes a support plate 601, an electric push rod 602, a fixed frame 603, a flip arm 604 and an arc groove 605. The support plate 601 is fixedly connected to the outside of the pipe pushing rack 1, and the upper surface of the support plate 601 is fixedly connected to the electric push rod 602. The free end of the electric push rod 602 is rotatably connected to the outside of the flip arm 604. The middle of the flip arm 604 is rotatably connected to the inner side of the two fixed frames 603. The lower end of the fixed frame 603 is fixedly connected to On the upper surface of the pipe pusher 1, an arc groove 605 is arranged inside the flip arm 604, and the inner surface of the arc groove 605 is smoothed. After the arc groove 605 of the flip arm 604 is fitted with the steel pipe 3, the steel pipe 3 can move in the arc groove 605. A striping and leveling mechanism 5 is arranged at the rear side of the opening platform 2. The striping and leveling mechanism 5 includes a leveling frame 501, a leveling roller 502 and a leveling platform 503. The leveling platform 503 is fixedly connected to the rear side of the opening platform 2. The upper surface of the leveling platform 503 is fixedly connected with the leveling frame 501. The leveling frame 50 1 is provided with a plurality of leveling rollers 502 in the middle, and a motor is provided at the connection position between the leveling rollers 502 and the leveling frame 501, and the output end of the motor is connected to the leveling rollers 502 by transmission. A conductive column 408 is fixedly connected to the rear side of the pipe rack 401, and the conductive column 408 is made of magnetic material. The cut steel pipes and steel materials are introduced into the leveling mechanism through the transmission roller along the surface of the conductive column 408, and the steel pipes and pipes 3 are pressed into a flat plate by the upper and lower leveling rollers 502. The end of the conductive column 408 far from the pipe rack 401 is set on the leveling roller On the front side of the wheel 502, a positioning plate 9 is fixedly connected to the front side of the upper surface of the pipe pusher 1, a hydraulic push rod 7 is fixedly connected to the rear side of the positioning plate 9, a free end of the hydraulic push rod 7 is fixedly connected to the pipe pusher plate 8, a steel pipe 3 is arranged on the rear side of the pipe pusher plate 8, a rear end of the steel pipe 3 is arranged on the upper surface of the conveying roller 10, the conveying roller 10 is rotatably connected to the inner side of the roller bracket 11, a motor is arranged at the connection position between the conveying roller 10 and the roller bracket 11, the output end of the motor is transmission-connected to the conveying roller 10, and the roller bracket 11 is arranged on the front side of the open pipe rack 401;

[0034] After the steel pipe 3 to be leveled is placed inside the pipe pushing rack 1, the hydraulic push rod 7 controls the pipe pushing plate 8 to move backward together with the steel pipe 3. Before the steel pipe 3 moves backward, the output ends of the two electric push rods 602 push the flip arm 604 upward respectively. At this time, the flip arm 604 rotates around the position of the fixed rack 603, and the arc groove 605 at the front end of the flip arm 604 fits against the upper surface of the steel pipe 3 to prevent the front end of the steel pipe 3 from arching upward during the subsequent leveling process.

[0035] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the application should be included in the protection scope of the present application.

Claims

1. An automatic flattening device for steel pipes, comprising a pipe pusher (1), characterized in that: The rear side of the pipe pushing rack (1) is fixedly connected to an opening platform (2), and an automatic pipe opening mechanism (4) is arranged on the upper surface of the opening platform (2). The automatic pipe opening mechanism (4) comprises a pipe opening rack (401), a knife rod (402), a wedge-shaped pipe expansion block (403), a connecting arm (404), an adjusting screw (405) and an adjusting block (407). The lower end of the pipe opening rack (401) is fixedly connected to the upper surface of the opening platform (2), and a knife rod (402) is arranged inside the upper end of the pipe opening rack (401). The left and right sides of the lower end of the knife rod (402) are fixedly connected to the wedge-shaped pipe expansion block (403), and the upper end of the knife rod (402) is fixedly connected to the lower surface of the adjusting arm (409). The left and right ends of the adjusting arm (409) are fixedly connected to the inner sides of the two adjusting blocks (407), and the two adjusting blocks (407) are respectively slidably connected to the inner sides of the two connecting arms (404). An adjusting screw (405) is provided through the middle of the two adjusting blocks (407), and the adjusting block (407) is threadedly connected to the adjusting screw (405). The upper end of the adjusting screw (405) is rotatably connected to the lower surface of the connecting arm (404), and the lower end of the adjusting screw (405) is rotatably connected to the upper surface of the open platform (2). The upper end of the connecting arm (404) is rotatably connected to an adjusting ring (406), and the adjusting ring (406) is transmission-connected to the adjusting screw (405).

2. The automatic flattening device for steel pipes according to claim 1, characterized in that: Both sides of the pipe pushing rack (1) are provided with pipe limiting mechanisms (6), the pipe limiting mechanisms (6) comprising a support plate (601), an electric push rod (602), a fixing rack (603), a flip arm (604) and an arc groove (605), and the support plate (601) is fixedly connected to the outside of the pipe pushing rack (1).

3. The automatic flattening device for steel pipes according to claim 2 is characterized in that: An electric push rod (602) is fixedly connected to the upper surface of the support plate (601), and the free end of the electric push rod (602) is rotatably connected to the outside of the flip arm (604).

4. The automatic flattening device for steel pipes according to claim 2, characterized in that: The middle of the flip arm (604) is rotatably connected to the inner sides of the two fixing frames (603), and the lower ends of the fixing frames (603) are fixedly connected to the upper surface of the pipe pushing frame (1).

5. The automatic flattening device for steel pipes according to claim 2, characterized in that: An arc-shaped groove (605) is provided inside the flip arm (604).

6. The automatic flattening device for steel pipes according to claim 1, characterized in that: A striping and leveling mechanism (5) is arranged on the rear side of the opening platform (2), and the striping and leveling mechanism (5) comprises a leveling frame (501), a leveling roller (502) and a leveling platform (503), and the leveling platform (503) is fixedly connected to the rear side of the opening platform (2).

7. The automatic flattening device for steel pipes according to claim 6, characterized in that: A leveling frame (501) is fixedly connected to the upper surface of the leveling platform (503), and a plurality of leveling rollers (502) are arranged in the middle of the leveling frame (501).

8. The automatic flattening device for steel pipes according to claim 1, characterized in that: A conducting column (408) is fixedly connected to the rear side of the open pipe rack (401), and one end of the conducting column (408) away from the pipe rack (401) is arranged on the front side of the leveling roller (502).

9. The automatic flattening device for steel pipes according to claim 1, characterized in that: A positioning plate (9) is fixedly connected to the front side of the upper surface of the pipe pushing rack (1), and a hydraulic push rod (7) is fixedly connected to the rear side of the positioning plate (9).

10. The automatic flattening device for steel pipes according to claim 9, characterized in that: The free end of the hydraulic push rod (7) is fixedly connected to a tube push plate (8), a steel pipe (3) is arranged on the rear side of the tube push plate (8), the rear end of the steel pipe (3) is arranged on the upper surface of a conveying roller (10), the conveying roller (10) is rotatably connected to the inner side of a roller bracket (11), and the roller bracket (11) is arranged on the front side of the open pipe rack (401).

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