CN212682138U - Pipe bending machine - Google Patents

Abstract

The utility model relates to a pipe bending machine, which comprises a frame, the frame is fixedly connected with a fixed disk with an I-shaped longitudinal section, the fixed disk is hollow and has an upper opening, the upper end of the fixed disk is fixedly connected with a workbench, the workbench is fixedly connected with a semicircular shaft seat, the shaft seat is positioned above the cavity of the fixed disk, the upper surface of the shaft seat is positioned above the cavity of the fixed disk and is fixedly connected with a main rod at the circle center position, the lower surface of the shaft seat is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with a turntable, the axis of the turntable coincides with the axis of the main rod, the turntable is provided with a bending rod, the lower end of the fixed disk is fixedly connected with a driving mechanism, the driving mechanism is fixedly connected with the rotating shaft, the workbench is provided with a bearing platform, a gap is arranged between the, the frame is fixedly connected with a positioning mechanism. The utility model discloses the effect that improves steel pipe utilization ratio has.

Description

Pipe bending machine

Technical Field

The utility model belongs to the technical field of the technique of return bend equipment and specifically relates to a bending machine is related to.

Background

The wide use of various bent steel pipes in the industry, agriculture and other fields continuously pushes the development of the pipe bender industry, the appearance of various pipe bending technologies makes it possible to meet the requirements of pipe bending products with high precision nowadays, and particularly in the building engineering industry, the pipe bender is used as metal pipe processing equipment and is more and more widely applied.

The existing chinese patent with publication number CN207723241U discloses a pipe bender clamp assembly and a pipe bender, wherein the pipe bender clamp assembly includes a pipe head fixing clamp, the pipe head fixing clamp includes two clamping blocks with symmetrical shapes, a smooth end surface of each clamping block is provided with three elongated slots with semicircular cross sections, and the arrangement directions of the three elongated slots are consistent. The pipe bending machine comprises a workbench, and a pipe bending machine clamp assembly is arranged on the workbench. The utility model discloses pipe bender anchor clamps subassembly and bending machine can bend three tubular products simultaneously, consequently has improved bender efficiency 3 times, has practiced thrift manual work and electric power cost simultaneously, is the huge progress of bender.

The above prior art solutions have the following drawbacks: although the bending machine in the comparison file can bend three pipes simultaneously, the tail ends of the pipes are limited by the pipe protection clamping blocks due to the fact that the pipes are bent along with continuous movement, the tail ends of all the pipes cannot be bent, and therefore the tail ends of the pipes are required to be cut without bending so as to meet product requirements, and further the whole utilization rate of the pipes is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a bending machine has the advantage that improves the steel pipe utilization ratio.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a pipe bending machine comprises a machine frame, wherein a fixed disc with an I-shaped longitudinal section is fixedly connected with the machine frame, the fixed disc is hollow and is provided with an opening at the upper end, a workbench is fixedly connected with the upper end of the fixed disc, a semicircular shaft seat is fixedly connected with the workbench, the shaft seat is positioned above a cavity of the fixed disc, the upper surface of the shaft seat is positioned at the center of a circle and is fixedly connected with a main rod, the lower surface of the shaft seat is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating disc, the axis of the rotating disc is superposed with the axis of the main rod, the rotating disc is provided with a bending rod, the lower end of the fixed disc is fixedly connected with a driving mechanism for driving the rotating disc to rotate, the driving mechanism is fixedly connected with the rotating shaft, the workbench is provided with a bearing table for bearing a steel pipe, the frame fixedly connected with is used for supporting the steel pipe in the positioning mechanism of butt piece tightly.

Through adopting above-mentioned technical scheme, when the needs are crooked to the steel pipe processing, can place the steel pipe on the plummer, make the steel pipe arrange in between butt piece and the mobile jib, positioning mechanism butt in one side of steel pipe simultaneously, make the steel pipe can be because butt piece and positioning mechanism's butt tightly, make the steel pipe rigidity, the pole lateral wall of bending simultaneously pastes in the steel pipe, later actuating mechanism can drive the carousel and rotate, thereby make the pole of bending can promote the steel pipe, steel pipe one side butt in the mobile jib, and then make the steel pipe can wind mobile jib circumferential direction, thereby make the steel pipe crooked, secondly, the sleeve of different thickness is established to mobile jib accessible cover, make the steel pipe can the different angle of bending, simultaneously because leave the clearance setting between plummer border and the mobile jib, make the steel pipe length surplus when shorter, still can be crooked to it, thereby improve the steel pipe utilization ratio.

The present invention may be further configured in a preferred embodiment as: the driving mechanism comprises a motor fixedly connected to the lower end of the fixed disc, the output end of the motor is fixedly connected with a coupler, and the other end of the coupler is fixedly connected to the rotating shaft.

By adopting the technical scheme, after the motor is started, the motor can drive the rotating shaft to rotate along the axis of the motor through the coupler, so that the rotating disc can rotate more stably, and the bending rod can rotate along the circumferential direction of the shaft seat.

The present invention may be further configured in a preferred embodiment as: positioning mechanism includes fixed connection in the cylinder of frame, workstation fixedly connected with stopper, the stopper is worn to locate by the cylinder output and is connected with the locating piece, the locating piece aligns the setting with the butt piece.

By adopting the technical scheme, when the steel pipe is placed between the main shaft and the abutting block, the cylinder drives the positioning block to move towards the abutting block by opening the cylinder, so that the positioning block abuts against the steel pipe tightly, the steel pipe can be stably fixed between the main shaft and the abutting block, and the steel pipe can be bent by the bending rod.

The present invention may be further configured in a preferred embodiment as: the locating piece outer wall is provided with the external screw thread, locating piece threaded connection is in the cylinder output, the plummer is provided with first adjusting part, first adjusting part connects in the workstation, the carousel is provided with the second adjusting part that is used for adjusting the pole position of bending, the second adjusting part connects in the pole of bending.

Through adopting above-mentioned technical scheme, can process the steel pipe of different width, the accessible rotates the locating piece, makes the distance between locating piece and the butt piece change to can carry out the adjusting distance according to the steel pipe of different width, also correspond simultaneously and adjust first adjusting part and second adjusting part, make the bending machine can satisfy different steel pipe processing demands.

The present invention may be further configured in a preferred embodiment as: the first adjusting component comprises a first strip hole formed in the bearing table, a first screw is arranged in the first strip hole, and the first screw penetrates through the first strip hole and is in threaded connection with the workbench.

Through adopting above-mentioned technical scheme, the accessible removes the position of plummer, makes the distance change between butt piece and the mobile jib, and then can centre gripping the steel pipe of different width, later can screw up first screw to make plummer rigidity.

The present invention may be further configured in a preferred embodiment as: the second adjusting component comprises an adjusting block fixedly connected to the edge of the rotary table, a second strip hole is formed in the adjusting block, the bending rod is abutted to the upper surface of the adjusting block, a second screw penetrates through the second strip hole, and the second screw penetrates through the second strip hole and is connected to the lower end of the bending rod in a threaded mode.

Through adopting above-mentioned technical scheme, the accessible is unscrewed the second screw, makes the pole of bending can move on the rectangular hole of second, makes the distance between pole of bending and the mobile jib be fit for the steel pipe of different width, later screws up the second screw to make the pole position fixing of bending, and then can bend the steel pipe.

The present invention may be further configured in a preferred embodiment as: the fixed disk fixedly connected with fixed block, the bolt is worn to be equipped with by the fixed block, bolt threaded connection has the nut, nut outer wall fixed connection is in the plummer.

Through adopting above-mentioned technical scheme, the removal that the plummer can be restricted to the bolt prevents to receive external force because of the steel pipe in the steel pipe course of working, makes the plummer take place the displacement, influences steel pipe machining.

The present invention may be further configured in a preferred embodiment as: the butt joint block is transversely provided with an arc-shaped groove.

Through adopting above-mentioned technical scheme, the steel pipe is lived to butt that the butt piece can be more stable, prevents the steel pipe roll-off.

To sum up, the utility model discloses a following at least one useful technological effect:

when the steel pipe needs to be processed and bent, the steel pipe can be placed on the bearing table, the steel pipe is placed between the abutting block and the main rod, the positioning mechanism abuts against one side of the steel pipe, the steel pipe can be fixed in position due to the abutting of the abutting block and the positioning mechanism, the side wall of the bending rod is attached to the steel pipe, the driving mechanism can drive the rotary table to rotate, the bending rod can push the steel pipe, one side of the steel pipe abuts against the main rod, the steel pipe can rotate around the circumferential direction of the main rod, the steel pipe is bent, meanwhile, due to the fact that a gap is reserved between the edge of the bearing table and the main rod, the steel pipe can be bent when the length of the steel pipe is short, and therefore the utilization rate of the steel pipe.

Can process the steel pipe of different width, the locating piece is rotated to the accessible, makes the distance between locating piece and the butt piece change to can carry out the adjusting distance according to the steel pipe of different width, also correspond simultaneously and adjust first adjusting part and second adjusting part, make the bending machine can satisfy different steel pipe processing demands.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a partial structural view of the fixed disk.

In the figure, 1, a frame; 2. fixing the disc; 3. a work table; 4. a shaft seat; 5. a main rod; 6. a rotating shaft; 7. a turntable; 8. bending the rod; 9. a drive mechanism; 91. a motor; 92. a coupling; 10. a bearing table; 11. a fixed block; 12. a bolt; 13. a nut; 14. a butting block; 15. an arc-shaped slot; 16. a positioning mechanism; 17. a cylinder; 18. a limiting block; 19. positioning blocks; 20. an external thread; 21. a first adjustment assembly; 22. a first elongated hole; 23. a first screw; 24. a second adjustment assembly; 25. an adjusting block; 26. a second elongated hole; 27. a second screw.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the pipe bending machine disclosed by the utility model, comprising a frame 1, a fixed disk 2 is welded at the upper end of the frame 1, the fixed disk 2 is circular, the longitudinal section of the fixed disk 2 is in an i-shaped arrangement, the fixed disk 2 is hollow and has an opening at the upper end, a horizontal workbench 3 is integrally connected with the upper surface of the fixed disk 2, the workbench 3 is fan-shaped, the workbench 3 extends towards the circle center of the fixed disk 2, the workbench 3 and the fixed disk 2 are positioned on the same plane, one end of the workbench 3 close to the circle center of the fixed disk 2 is integrally connected with a semicircular shaft seat 4, so that the shaft seat 4 is positioned above the cavity of the fixed disk 2, a vertical main rod 5 is welded on the upper surface of the shaft seat 4 at the circle center position, the lower surface of the shaft seat 4 is rotatably connected with a vertical rotating shaft 6 through a bearing, the axis of the, simultaneously 7 axis of carousel and mobile jib 5 axis and the coincidence of fixed disk 2 axis, the diameter of carousel 7 is greater than the diameter of axle bed 4 simultaneously to 7 borders at the carousel are provided with and are vertical pole 8 of bending.

Referring to fig. 2, the welding of 2 lower extremes of fixed disk has and is used for driving 7 pivoted actuating mechanism 9 of carousel, and actuating mechanism 9 is including welding in the motor 91 of 2 lower extremes of fixed disk, and motor 91 output fixedly connected with shaft coupling 92, shaft coupling 92's other end fixed connection in pivot 6 to make carousel 7 can stably rotate, and then make the pole 8 of bending can follow the 4 circumferential motion of axle bed.

Referring to fig. 3, the workbench 3 is provided with a bearing table 10 for bearing a steel pipe, and a gap is left between the edge of the bearing table 10 and the main rod 5, so that the bending rod 8 can bend the steel pipe with a short length, a vertical fixing block 11 is welded on the fixing disc 2, a horizontal bolt 12 is penetrated through the fixing block 11, a nut 13 is connected with the bolt 12 through a thread, the outer wall of the nut 13 is welded on the upper surface of the bearing table 10, so that the movement of the bearing table 10 is limited, a butt joint block 14 for butt joint of the steel pipe is welded at one end of the bearing table 10 close to the main rod 5, the butt joint block 14 is rectangular and is vertically arranged, an arc-shaped groove 15 is transversely arranged on the butt joint block 14, so that the steel pipe can be stably butt joint with the butt joint block 14, when the steel pipe is required to be processed and bent, the steel pipe can be placed on the bearing table 10, the frame 1 is welded with a positioning mechanism 16 for abutting the steel pipe against the abutting block 14.

Referring to fig. 2 and 3, positioning mechanism 16 is including welding in the cylinder 17 of frame 1 one side, cylinder 17 output sets up towards butt piece 14 direction, workstation 3 welding has and is vertical stopper 18, cylinder 17 output wears to locate stopper 18 and is connected with and is horizontally locating piece 19, locating piece 19 is cylindricly, and locating piece 19 cross-section is the setting of T shape, locating piece 19 aligns the setting with butt piece 14, thereby cylinder 17 can drive locating piece 19 and remove towards butt piece 14, when placing the steel pipe between butt piece 14 and mobile jib 5, butt piece 14 can butt the steel pipe, make the steel pipe rigidity, 8 lateral walls of the pole of bending simultaneously laminate in the steel pipe, open motor 91, carousel 7 rotates, make the pole 8 that bends promote the steel pipe, steel pipe one side butt in mobile jib 5, and then make the steel pipe can wind mobile jib 5 circumferential direction, thereby make the steel pipe crooked.

Referring to fig. 3, in order to bend steel pipes with different widths, an external thread 20 is provided on an outer wall of the positioning block 19, so that the positioning block 19 is screwed to an output end of the cylinder 17, so that an extension amount of the positioning block 19 can be adjusted, and a distance between the positioning block 19 and the abutment block 14 can be changed, and at the same time, correspondingly, a distance between the main rod 5 and the abutment block 14 can be adjusted, so that a first adjusting assembly 21 is provided on the plummer 10, the first adjusting assembly 21 includes a first elongated hole 22 formed in the plummer 10, and the first elongated hole 22 is parallel to the output end of the cylinder 17, a first screw 23 is provided in the first elongated hole 22, and the first screw 23 is inserted in the first elongated hole 22 and screwed to the table 3, so that the distance between the abutment block 14 and the main rod 5 can be adjusted according to the steel pipes with different widths by moving the plummer 10 in a transverse.

Referring to fig. 3, secondly, the distance between the bending rod 8 and the main rod 5 can be adjusted correspondingly, thereby a second adjusting component 24 for adjusting the position of the bending rod 8 is arranged on the turntable 7, the second adjusting component 24 includes an adjusting block 25 welded at the edge of the turntable 7, the adjusting block 25 is in a rectangular shape and is arranged at the same horizontal plane with the upper surface of the turntable 7, a second strip hole 26 is formed in the adjusting block 25, the second strip hole 26 is radially formed along the turntable 7, the lower end of the bending rod 8 is abutted against the upper surface of the adjusting block 25, a second screw 27 is arranged in the second strip hole 26 in a penetrating manner, the second screw 27 is arranged in the second strip hole 26 in a penetrating manner and is in threaded connection with the lower end of the bending rod 8, thereby the bending rod 8 can be moved to a proper position on the adjusting block 25, and then the second screw 27 is screwed, so that the position of the bending rod 8 is fixed.

The implementation principle of the embodiment is as follows: when the steel pipe is processed and bent as required, can be earlier according to the steel pipe of different width, adjust plummer 10, locating piece 19 and bending rod 8, these three respectively with the distance between mobile jib 5, thereby place the steel pipe between mobile jib 5 and butt piece 14, and support locating piece 19 tightly in the steel pipe lateral wall, make the steel pipe rigidity, thereby carousel 7 rotates, make bending rod 8 can exert pressure to the steel pipe, make the steel pipe can follow mobile jib 5 circumferential direction, thereby make the steel pipe crooked, secondly because the distance between plummer 10 and the mobile jib 5 leaves the clearance setting, when steel pipe length surplus is short, still can be crooked it, thereby improve the steel pipe utilization ratio.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A bending machine comprises a machine frame (1), and is characterized in that: the machine frame (1) is fixedly connected with a fixed disc (2) with an I-shaped longitudinal section, the fixed disc (2) is hollow and provided with an upper end opening, the upper end of the fixed disc (2) is fixedly connected with a workbench (3), the workbench (3) is fixedly connected with a semicircular shaft seat (4), the shaft seat (4) is positioned above a cavity of the fixed disc (2), the upper surface of the shaft seat (4) is positioned at the center of a circle and fixedly connected with a main rod (5), the lower surface of the shaft seat (4) is rotatably connected with a rotating shaft (6), the rotating shaft (6) is fixedly connected with a rotating disc (7), the axis of the rotating disc (7) is superposed with the axis of the main rod (5), the rotating disc (7) is provided with a bending rod (8), the lower end of the fixed disc (2) is fixedly connected with a driving mechanism (9) for driving the rotating disc (7), workstation (3) are provided with plummer (10) that are used for bearing the weight of the steel pipe, leave the clearance setting between plummer (10) border and mobile jib (5), plummer (10) are close to butt piece (14) that the one end fixedly connected with of mobile jib (5) supplied the steel pipe butt, frame (1) fixedly connected with is used for supporting the steel pipe tightly in positioning mechanism (16) of butt piece (14).

2. The bender according to claim 1, wherein: actuating mechanism (9) are including fixed connection in motor (91) of fixed disk (2) lower extreme, motor (91) output end fixedly connected with shaft coupling (92), the other end fixed connection of shaft coupling (92) is in pivot (6).

3. The bender according to claim 2, wherein: positioning mechanism (16) are including cylinder (17) of fixed connection in frame (1), workstation (3) fixedly connected with stopper (18), stopper (18) are worn to locate by cylinder (17) output and are connected with locating piece (19), locating piece (19) align with butt piece (14) and set up.

4. The bender according to claim 3, wherein: locating piece (19) outer wall is provided with external screw thread (20), locating piece (19) threaded connection is in cylinder (17) output, plummer (10) are provided with first adjusting part (21), first adjusting part (21) are connected in workstation (3), carousel (7) are provided with second adjusting part (24) that are used for adjusting bending pole (8) position, second adjusting part (24) are connected in bending pole (8).

5. The bender according to claim 4, wherein: the first adjusting assembly (21) comprises a first strip hole (22) formed in the bearing table (10), a first screw (23) is arranged in the first strip hole (22), and the first screw (23) penetrates through the first strip hole (22) and is connected to the workbench (3) in a threaded mode.

6. The bender according to claim 4, wherein: second adjusting part (24) are including adjusting block (25) fixed connection in carousel (7) border, second rectangular hole (26) have been seted up in adjusting block (25), pole (8) butt in adjusting block (25) upper surface bends, just wear to be equipped with second screw (27) in second rectangular hole (26), second screw (27) wear to locate second rectangular hole (26) and threaded connection in pole (8) lower extreme bends.

7. The bender according to claim 1, wherein: fixed disk (2) fixedly connected with fixed block (11), bolt (12) are worn to be equipped with by fixed block (11), bolt (12) threaded connection has nut (13), nut (13) outer wall fixed connection is in plummer (10).

8. The bender according to claim 3, wherein: the abutting block (14) is transversely provided with an arc-shaped groove (15).

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