Longitudinal welded pipe forming machine with rollers convenient to replace

Abstract

The straight welded pipe forming machine comprises a supporting block and two roller bodies, the upper surface of the supporting block is fixedly connected with two supporting plates, the inner side faces of the two supporting plates are movably connected with two rotating shafts, notches are formed in the two rotating shafts, and the two supporting plates are fixedly connected with the two rotating shafts. Two first clamping plates are fixedly connected to the inner side face of the supporting plate, an air cylinder is fixedly connected to the upper surface of the supporting block, a connecting frame is fixedly connected to one end of a piston rod of the air cylinder, and second clamping plates are fixedly connected to the two ends of the connecting frame correspondingly; and a plurality of balls are movably connected to the upper surface of the first clamping plate and the bottom of the second clamping plate. According to the roller, a worker can conveniently and rapidly complete disassembly and replacement of the roller body, meanwhile, the height of the connecting frame can be further fixed through the auxiliary fixing assembly, and the rotating shaft can rotate more smoothly through the balls.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of roll, especially to a straight seam welded pipe forming machine convenient to replace roll. BACKGROUND

[0002] The function of the straight seam welded pipe forming machine is to efficiently convert a steel plate into a welded pipe through a series of process steps, to ensure that the welded pipe produced is of high quality and uniform specification, and its working principle includes feeding the steel plate into the forming machine, gradually bending it through multiple rollers to form a tubular shape, and firmly welding the joint through high-frequency welding technology, thereby obtaining a complete welded pipe.

[0003] When the roll needs to be overhauled or pipes of different sizes are needed, the roll needs to be disassembled and replaced, but the existing straight seam welded pipe forming machine needs to be disassembled, the bolts loosened, and a series of complex actions performed to replace the roll, which takes a long time to operate, is complicated, time-consuming and labor-intensive, and has safety hazards. SUMMARY

[0004] The utility model aims at solving the shortcomings in the prior art and provides a straight seam welded pipe forming machine convenient to replace roll.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A straight seam welded pipe forming machine convenient to replace roll, comprising a support block and two roll bodies, the upper surface of the support block is fixedly connected with two support plates, the inner side surfaces of the two support plates are movably connected with two shafts, grooves are formed in the interiors of the two shafts, and the two connecting ends of the roll bodies are clamped with the grooves, the inner side surfaces of the support plates are fixedly connected with two first clamping plates, the upper surface of the first clamping plate and the bottom of the second clamping plate are movably connected with a plurality of balls, and one side of one of the support plates is provided with a power assembly driving the shaft.

[0007] As a further scheme of the utility model, the power assembly comprises a support frame fixed on the outer side surface of one of the support plates by bolts, one side of the support frame is fixedly connected with a motor, one end of each of the two shafts on one of the support plates passes through the support block and is key-connected with a first gear and a second gear, the first gear is engaged with the second gear, and one end of the output shaft of the motor is fixed with the corresponding first gear.

[0008] As a further scheme of the utility model, the auxiliary fixing assembly comprises two fixing blocks, the two fixing blocks are fixed on the upper surface of the connecting frame horizontal rod part through bolts, a threaded rod is movably connected in the two fixing blocks, a protruding block is fixedly connected to one end of the threaded rod, and a groove is formed in the inner side surface of the supporting plate.

[0009] As a further scheme of the utility model, the groove is inserted with the protruding block.

[0010] As a further scheme of the utility model, the outer side of the roller body connecting end is provided with a ring-shaped groove.

[0011] As a further scheme of the utility model, the upper surface of the supporting block is fixedly connected with two telescopic rods, and the elongated end of the telescopic rod is fixed with the connecting frame.

[0012] As a further scheme of the utility model, one end of the threaded rod is fixedly connected with a knob.

[0013] The utility model discloses the beneficial effects are:

[0014] 1. Through the setting of the connecting frame, the first clamping plate is separated from the roller body by moving upward, so that the staff can separate the roller body from the notch on the rotating shaft, and then the staff can quickly complete the disassembly and replacement of the roller body, the operation is more simple and labor-saving, and the convenience of the device is improved.

[0015] 2. The utility model discloses the cooperation of the protruding block and the groove, the height of the connecting frame is further fixed, and then the second clamping plate stably abuts against the roller body, and the stability of the device is improved.

[0016] 3. The utility model discloses the setting of the ball bearing, the rotating shaft rotates more smoothly, direct contact between the ball bearing and the first clamping plate and the second clamping plate is avoided, the friction is large, and the device is improved in use effect. DRAWINGS

[0017] Figure 1 A front side three-dimensional structure schematic diagram of the straight seam welded pipe forming machine convenient for replacing a roller is provided for the utility model;

[0018] Figure 2 A rear side three-dimensional structure schematic diagram of the straight seam welded pipe forming machine convenient for replacing a roller is provided for the utility model;

[0019] Figure 3 An A part enlarged structure schematic diagram of the straight seam welded pipe forming machine convenient for replacing a roller is provided for the utility model;

[0020] Figure 4The utility model provides a second clamping plate section structure schematic diagram of straight welded pipe forming machine of convenient replacement of roll.

[0021] In the figure: 1, support plate; 2, first clamping plate; 3, second clamping plate; 4, roll body; 5, first gear; 6, support frame; 7, second gear; 8, support block; 9, telescopic rod; 10, air cylinder; 11, connecting frame; 12, threaded rod; 13, groove; 14, lug; 15, fixed block; 16, ring groove; 17, rotating shaft; 18, notch; 19, ball. DETAILED DESCRIPTION

[0022] It should be noted that the terms "first", "second" and the like in the description and claims of the application and the above-mentioned accompanying drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence, so that the embodiments of the application described herein, based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor shall belong to the scope of protection of the application.

[0023] REFERENCE Figures 1-4 A straight welded pipe forming machine convenient for replacing roll, including support block 8 and two roll bodies 4, the upper surface of support block 8 is fixed with two support plates 1 by bolt, the inner side surface of two support plates 1 is rotatably connected with two rotating shafts 17, the inside of two rotating shafts 17 is provided with notches 18, and the two connecting ends of roll body 4 are clamped with notches 18, the inner side surface of support plate 1 is fixed with two first clamping plates 2 by bolt, the upper surface of support block 8 is fixed with air cylinder 10 by bolt, one end of air cylinder 10 piston rod is fixed with connecting frame 11 by bolt, the two ends of connecting frame 11 are fixed with second clamping plates 3 by bolt, the upper surface of first clamping plate 2 and the bottom of second clamping plate 3 are rotatably connected with a plurality of balls 19, and rotating shaft 17 is in contact with ball 19, air cylinder 10 is elongated to make connecting frame 11 drive second clamping plate 3 to move upwards, so that ball 19 on second clamping plate 3 is separated from roll body 4, at this time, the upper part of roll body 4 loses the limitation, the staff moves roll body 4 upwards, so that the connecting end moves out of notch 18, and then the disassembly of roll body 4 is completed, which is convenient for the staff to replace quickly, one side of one support plate 1 is provided with a power assembly for driving rotating shaft 17, an auxiliary fixing assembly is arranged between connecting frame 11 and support plate 1, through the arrangement of ball 19, the rotation of rotating shaft 17 is more smooth, and the direct contact friction between ball 19 and first clamping plate 2 and second clamping plate 3 is avoided, which is large and easy to cause jam.

[0024] The utility model discloses, need explain, power assembly includes support frame 6, and support frame 6 is fixed through bolt on the outside of one of support plate 1, and one side of support frame 6 is fixed with motor through bolt, and the both ends of two rotating shafts 17 on one of support plate 1 respectively pass through support block 8 and are keyed with first gear 5 and second gear 7, and first gear 5 is engaged with second gear 7, and one end of motor output shaft is fixed with its corresponding first gear 5, and motor rotation makes first gear 5 drive the rotation of rotating shaft 17 connected with it, simultaneously, first gear 5 rotation makes second gear 7 drive the rotation of rotating shaft 17 connected with it, and further makes two roller bodies 4 rotate, makes the steel sheet of passing through multiple processes into tubular, and auxiliary fixing assembly includes two fixed blocks 15, and two fixed blocks 15 are fixed through bolt on the upper surface of connecting frame 11 horizontal pole portion, and the inside of two fixed blocks 15 is all screw -thread connection has screw rod 12, and one end of screw rod 12 is fixed with lug 14 through bolt, and the inside of support plate 1 is set up with recess 13, and rotating screw rod 12 makes lug 14 remove recess 13, and recess 13 is inserted with lug 14, and the cooperation of lug 14 and recess 13 makes the height of connecting frame 11 be further fixed, and further makes the second clamping plate 3 steady and resist roller body 4, and the outside of roller body 4 connecting end is all set up with ring type groove 16, and ring type groove 16 facilitates staff to the position of connecting rope and is positioned, and further facilitates subsequent through the lifting device and removes the roller body 4 of disassembly from the device stably, and the upper surface of support block 8 is fixed with two telescopic rods 9 through bolt, and the extension end of telescopic rod 9 is fixed with connecting frame 11, and telescopic rod 9 can rotate connecting frame 11, and makes connecting frame 11 can move stably, and one end of screw rod 12 is fixed with knob through bolt, and facilitates staff to rotate screw rod 12.

[0025] Working principle: when needing to further process the steel sheet of passing through multiple processes, start motor, and motor rotation makes first gear 5 drive the rotation of rotating shaft 17 connected with it, simultaneously, first gear 5 rotation makes second gear 7 drive the rotation of rotating shaft 17 connected with it, and further makes two roller bodies 4 rotate, and makes the steel sheet of passing through multiple processes into tubular, when needing to disassemble roller body 4, first rotating screw rod 12 makes lug 14 remove recess 13, then start cylinder 10, and cylinder 10 elongation makes connecting frame 11 drive second clamping plate 3 and move upwards, thereby making the separation of ball 19 on second clamping plate 3 and roller body 4, at this moment, the upper of roller body 4 loses the limitation, and staff moves roller body 4 upwards, and makes its connecting end remove notch 18, and further completes the disassembly of roller body 4, and facilitates staff to change quickly.

[0026] The utility model discloses have been through the above embodiment has been illustrated, and the technical personnel of the field can understand that the utility model is not limited to the above embodiment, and according to the teaching of the utility model, more kinds of modifications can be made still, and these modifications all fall within the range of the utility model claimed to protect, and the protection scope of the utility model is defined by the attached claim and its equivalent range.

Claims

1. A straight seam welded pipe forming machine that facilitates roll replacement, comprising a support block (8) and two roll bodies (4), characterized in that, The upper surface of the support block (8) is fixedly connected to two support plates (1), and the inner sides of the two support plates (1) are movably connected to two rotating shafts (17). The interior of the two rotating shafts (17) is provided with slots (18), and the two connecting ends of the roll body (4) are engaged with the slots (18). The inner side of the support plate (1) is fixedly connected to two first clamping plates (2). The upper surface of the support block (8) is fixedly connected to a cylinder (10), and one end of the piston rod of the cylinder (10) is fixedly connected to a connecting frame (11). Both ends of the connecting frame (11) are fixedly connected to second clamping plates (3). The upper surface of the first clamping plate (2) and the bottom of the second clamping plate (3) are movably connected to multiple balls (19), and the rotating shaft (17) is in contact with the balls (19). One side of one of the support plates (1) is provided with a power component that drives the rotating shaft (17), and an auxiliary fixing component is provided between the connecting frame (11) and the support plate (1).

2. The straight seam welded pipe forming machine with easily replaceable rolls according to claim 1, characterized in that, The power assembly includes a support frame (6), which is fixed to the outer side of one of the support plates (1) by bolts. A motor is fixedly connected to one side of the support frame (6). One end of the two rotating shafts (17) on one of the support plates (1) passes through the support block (8) and is keyed to a first gear (5) and a second gear (7). The first gear (5) meshes with the second gear (7). One end of the motor output shaft is fixed to its corresponding first gear (5).

3. A straight seam welded pipe forming machine for easy roll replacement according to claim 1, characterized in that, The auxiliary fixing assembly includes two fixing blocks (15), which are fixed to the upper surface of the crossbar of the connecting frame (11) by bolts. The two fixing blocks (15) are movably connected to threaded rods (12), and one end of the threaded rods (12) is fixedly connected to a protrusion (14). The inner side of the support plate (1) is provided with a groove (13).

4. A straight seam welded pipe forming machine for easy roll replacement according to claim 3, characterized in that, The groove (13) is inserted into the protrusion (14).

5. A straight seam welded pipe forming machine for easy roll replacement according to claim 1, characterized in that, The outer side of the connecting end of the roll body (4) is provided with annular grooves (16).

6. A straight seam welded pipe forming machine for easy roll replacement according to claim 1, characterized in that, Two telescopic rods (9) are fixedly connected to the upper surface of the support block (8), and the extended ends of the telescopic rods (9) are fixed to the connecting frame (11).

7. A straight seam welded pipe forming machine for easy roll replacement according to claim 3, characterized in that, A knob is fixedly connected to one end of the threaded rod (12).

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