CN219274139U

CN219274139U - Steel pipe bending machine

Info

Publication number: CN219274139U
Application number: CN202222000389.2U
Authority: CN
Inventors: 夏紫蕾
Original assignee: Butting Tieling Co ltd
Current assignee: Butting Tieling Co ltd
Priority date: 2022-07-31
Filing date: 2022-07-31
Publication date: 2023-06-30
Anticipated expiration: 2032-07-31

Abstract

The utility model discloses a steel pipe bending machine, which relates to the technical field of steel pipe bending and comprises a workbench, wherein two symmetrical side plates are fixedly connected to the bottom of the workbench, a transverse plate is fixedly connected between the two side plates, a driving shaft is rotatably connected between the transverse plate and the workbench through a bearing, a bending disc is fixedly connected to the top end of the driving shaft, and four expansion blocks which are circumferentially arranged are spliced on the outer surface of the bending disc. This steel pipe bender has realized that the fan-shaped piece rotates the extrusion through the cooperation of fan-shaped piece with enlarge the piece and has enlarged the purpose that the piece made to place the arc and keep away from, has reached the effect of adjustment bending dish external diameter to the external steel pipe of different radians of user processing, through the cooperation of movable block and fixed column, realized quick adjustment fixed column and place the distance between the arc, reached the purpose of carrying out quick fixation when processing the external steel pipe of different radians, thereby solved the difficult problem of bending the different radian steel pipe of common steel pipe bender.

Description

Steel pipe bending machine

Technical Field

The utility model relates to the technical field of steel pipe bending, in particular to a steel pipe bending machine.

Background

The steel pipe is a steel material having a hollow cross section with a length far greater than a diameter or a circumference, and is not only used for transporting fluid and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also an economical steel material, and the steel pipe can be divided into two main types according to a production method, namely a seamless steel pipe and a welded steel pipe, and the welded steel pipe is simply called a welded pipe.

When a common steel pipe bending machine bends a steel pipe, if the radian of a U-shaped pipe turning is required to be changed, the dies of different sizes are required to be replaced, external auxiliary tools are required to be used for disassembling and assembling the dies when the dies are replaced, and the dies are high in weight and difficult to carry, so that the process of machining the steel pipes with different radians is complicated.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a steel pipe bending machine, which solves the problem that steel pipes with different radians are difficult to bend.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a steel pipe bending machine comprises a workbench, two symmetrical side plates are fixedly connected to the bottom of the workbench, a transverse plate is fixedly connected between the two side plates, a driving shaft is rotatably connected between the transverse plate and the workbench through a bearing, a bending disc is fixedly connected to the top end of the driving shaft, four circumferentially arranged expansion blocks are inserted into the outer surface of the bending disc, one faces of the four expansion blocks, which are far away from the bending disc, are fixedly connected with a placing arc, one faces of the four expansion blocks, which are close to the center of the bending disc, are all provided with round corners, fixing blocks are fixedly connected to the inner bottom wall of the bending disc, nitrogen springs are fixedly connected to the front side and the rear side faces of the fixing blocks, nitrogen springs are fixedly connected to the inner bottom wall of the fixing blocks, the other end of each nitrogen spring is fixedly connected with the expansion blocks, an expansion shaft is rotatably connected between the upper surface of the fixing blocks and the upper surface of the bending disc through a bearing, the outer surface of the expansion shaft is fixedly connected with the expansion disc, four circumferentially arranged fan-shaped blocks are fixedly connected with the outer surface of the expansion disc, the outer surface of each fan-shaped block is provided with a smooth surface, bending frame is fixedly connected with the outer surface of the bending disc, the front side wall and the rear side wall of the bending frame is provided with two sliding grooves, and the two sliding posts are fixedly connected between the two sliding posts, and each sliding posts are connected between the two sliding posts are fixedly connected.

As further description of the technical scheme, the worm wheel is fixedly connected to the upper surface of the expansion shaft, two symmetrical stabilizing blocks are fixedly connected to the upper surface of the expansion disc, a worm is rotatably connected between the two stabilizing blocks through a bearing, the front end of the worm is fixedly connected with the output end of an external positive and negative rotation motor, the worm is meshed with the worm wheel and is connected with the worm wheel, and the overall stability is further improved through self-locking of the worm and the worm wheel.

As further description of the technical scheme, the handle is fixedly connected to the upper surface of the uppermost moving block, the outer surface of the handle is provided with a round corner, and a user can conveniently move the moving block through the handle, so that stability is improved.

As the further description of above-mentioned technical scheme, the left surface fixedly connected with fixed arc of frame of bending, the left surface of fixed arc is equipped with the air-blower, and the fixed intercommunication of the output of air-blower has rubber hose, through the cooperation of air-blower and rubber hose, can realize cleaning iron fillings and workstation on external steel pipe when bending work, can cool down for the heat that external steel pipe was taking place deformation and was produced again.

As the further description of the technical scheme, the workbench and the transverse plate are rotationally connected with the transmission shaft through the bearing, the pinion is fixedly connected with the outer surface of the transmission shaft, the bull gear is fixedly connected with the outer surface of the transmission shaft, the pinion is meshed with the bull gear, the bottom end of the transmission shaft is fixedly connected with the external motor output end, and the purpose of reducing and increasing torque is achieved through the cooperation of the pinion and the bull gear, so that the stability is improved.

As the further description of above-mentioned technical scheme, the upper surface fixedly connected with of workstation two symmetrical mounts, the equal threaded connection of left and right sides face of two mounts has the threaded rod, the equal fixedly connected with handle of one end that two threaded rods kept away from each other, the knurling is all done to the surface of two handles, the equal fixedly connected with fixture block of one end that two threaded rods are close to each other, the one side that two fixture blocks are close to each other is all established to the roughness, cooperation through mount and threaded rod to the user has made things convenient for the centre gripping to fix external steel pipe, has improved the convenience.

As the further description of above-mentioned technical scheme, two sets of through-holes have been seted up to the upper surface of frame of bending, be located the upper surface fixedly connected with T shape piece of the movable block of top, the inside grafting of T shape piece has two symmetrical inserted bars, and two inserted bars are all pegged graft rather than the through-hole that is close to, the equal fixedly connected with dismouting spring of interior diapire of two inserted bars, the other end of two dismouting springs is all with T shape piece fixed connection, cooperation through inserted bar and through-hole to realized the quick spacing to the movable block, improved user's convenience.

Compared with the prior art, the utility model has the following beneficial effects:

1. this steel pipe bender has realized through the cooperation of sector block with enlarge the piece that the sector block rotates the extrusion and enlarges the piece and makes the purpose of placing the arc and keep away from, reached the effect of adjustment bending dish external diameter, thereby the external steel pipe of different radians of user processing, through the cooperation of movable block and fixed column, realized quick adjustment fixed column and place the distance between the arc, reached the purpose of carrying out quick fixation when the external steel pipe of different radians of processing, through the cooperation of air-blower and rubber hose, realized the purpose of blowing to workstation and external steel pipe, reached the effect of cleaning and cooling down the steel pipe for the surface of workstation and steel pipe in the course of working, thereby the difficult problem of bending the different radian steel pipe of common steel pipe bender has been solved.

2. This steel pipe bender has realized through the cooperation of worm wheel and worm that the worm can drive the sector and rotate, and the sector can not drive worm pivoted purpose, has reached the effect that provides spacingly for the inserted block, through the cooperation of inserted bar and through-hole, has realized the purpose of spacing fast to the movable block, has reached the effect of fixing outside steel pipe fast, through the cooperation of pinion and gear wheel, has realized the purpose that the speed reduction increases the moment, has reached the effect that bends outside steel pipe that can be stable.

Drawings

FIG. 1 is a front view of a table of the present utility model;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;

FIG. 3 is a top view of the table of the present utility model;

FIG. 4 is a cross-sectional view of an enlarged block top view of the present utility model;

fig. 5 is a cross-sectional view of a top view of a segment of the present utility model.

In the figure: 1. a work table; 2. a side plate; 3. a cross plate; 4. a cross plate; 5. a driving shaft; 6. bending disc; 7. enlarging the block; 8. placing an arc; 9. a fixed block; 10. a nitrogen spring; 11. enlarging the shaft; 12. an enlarged disc; 13. a sector block; 14. a bending frame; 15. a chute; 16. a moving block; 17. fixing the column; 18. a worm wheel; 19. a stabilizing block; 20. a worm; 21. a handle; 22. a blower; 23. fixing an arc; 24. a rubber hose; 25. a transmission shaft; 26. a pinion gear; 27. a large gear; 28. a fixing frame; 29. a threaded rod; 30. a grip; 31. a clamping block; 32. a through hole; 33. a T-shaped block; 34. a rod; 35. and (5) assembling and disassembling the spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a steel pipe bender, including workstation 1, the bottom fixedly connected with two symmetrical curb plates 2 of workstation 1, fixedly connected with diaphragm 4 between two curb plates 2, be connected with driving shaft 5 through the bearing rotation between diaphragm 4 and the workstation 1, the top fixedly connected with dish 6 of bending of driving shaft 5, can make the stable rotation of dish 6 of bending through diaphragm 4, improved stability, the surface grafting of dish 6 of bending has four expansion pieces 7 that are circumference range, the equal fixedly connected with of one side of 6 of bending is placed arc 8 of four expansion pieces 7, the one side that four expansion pieces 7 are close to the 6 centre of a circle of bending is all established to the fillet, the interior bottom wall fixedly connected with fixed block 9 of 6 of bending, the equal fixedly connected with nitrogen spring 10 of front and back and left and right sides face of fixed block 9, nitrogen spring 10 belongs to the special spring of mould, also be called nitrogen jar, be a novel elastic component with high-pressure nitrogen as working medium, the volume is little, big, long stroke, work is steady, manufacturing precision, long service life, elasticity curve, four nitrogen springs 10 are in the state of gently and are in automatic reset state, reset state can be realized through expanding spring 10, thereby the stability is improved.

The other end of each nitrogen spring 10 is fixedly connected with an expansion block 7 which is close to the nitrogen spring, an expansion shaft 11 is connected between the upper surface of a fixed block 9 and the upper surface of a bending disc 6 through a bearing in a rotating mode, an expansion disc 12 is fixedly connected to the outer surface of the expansion shaft 11, four sector blocks 13 which are circumferentially arranged are fixedly connected to the outer surface of the expansion disc 12, the outer surface of each sector block 13 is provided with a smooth surface, and the expansion disc 12 rotates anticlockwise, so that the sector blocks 13 extrude the expansion blocks 7, and the effect of expanding the outer diameter is achieved.

The outer surface fixedly connected with bending frame 14 of dish 6 bends, two spouts 15 have all been seted up to the front and back inside wall of bending frame 14, the inside of every two spouts 15 that are close to is all sliding connection with movable block 16, fixedly connected with fixed column 17 between two movable blocks 16, cooperation through fixed column 17 and movable block 16, thereby realized spacing external steel pipe fast, the upper surface fixedly connected with worm wheel 18 of expansion axle 11, the upper surface fixedly connected with two symmetrical steady blocks 19 of expansion dish 12, be connected with worm 20 through the bearing rotation between two steady blocks 19, the front end and the positive and negative motor output fixed connection of external world of worm 20, worm 20 and worm wheel 18 meshing are connected, through the self-locking nature of worm 20 and worm wheel 18, and then improved holistic stability, the upper surface fixedly connected with handle 21 of movable block 16, the surface of handle 21 is set to the fillet, the user has moved movable block 16 has improved stability through handle 21.

The fixed arc 23 of left surface fixedly connected with of frame 14 bends, the left surface of fixed arc 23 is equipped with air-blower 22, air-blower 22 is a device that utilizes rotatory impeller to convert the electric energy into air kinetic energy, to the person skilled in the art, its specific structure and theory of operation are public and clear complete, the fixed intercommunication of the output of air-blower 22 has rubber hose 24, through the cooperation of air-blower 22 and rubber hose 24, can realize cleaning iron fillings and workstation 1 on external steel pipe at the during bending work, can cool down for the heat that external steel pipe was taking place deformation and producing again.

The workbench 1 and the transverse plate 4 are rotatably connected with a transmission shaft 25 through a bearing, the outer surface of the transmission shaft 25 is fixedly connected with a pinion 26, the outer surface of the driving shaft 5 is fixedly connected with a large gear 27, the pinion 26 is meshed with the large gear 27, the bottom end of the transmission shaft 25 is fixedly connected with the outer motor output end, the purpose of reducing speed and increasing torque is achieved through the cooperation of the pinion 26 and the large gear 27, stability is improved, the upper surface of the workbench 1 is fixedly connected with two symmetrical fixing frames 28, the left side surface and the right side surface of the two fixing frames 28 are respectively and fixedly connected with a threaded rod 29, one ends, far away from each other, of the two threaded rods 29 are respectively and fixedly connected with a handle 30, the outer surfaces of the two handles 30 are respectively subjected to knurling treatment, and the knurling treatment is a mechanical process for rolling patterns at a knob position or other working surfaces of a metal product, and the knurling is mainly subjected to an anti-skid effect.

Two equal fixedly connected with fixture blocks 31 of one end that threaded rod 29 is close to each other, the one side that two fixture blocks 31 are close to each other all is established to the roughness, can provide great frictional force when the external steel pipe of centre gripping through the roughness, stability when the centre gripping is provided, cooperation through mount 28 and threaded rod 29, thereby the user has made things convenient for the external steel pipe to carry out the centre gripping fixedly, the convenience has been improved, two sets of through-holes 32 have been seted up to the upper surface of frame 14 of bending, the upper surface fixedly connected with T shape piece 33 that is located the movable block 16 of top, peg graft in the inside of T shape piece 33 has two symmetrical inserted bars 34, and the equal through-hole 32 grafting that is close to rather than two inserted bars 34, the equal fixedly connected with dismouting spring 35 of interior diapire of two inserted bars 34, the other end of two dismouting springs 35 all is with T shape piece 33 fixed connection, cooperation through inserted bar 34 and through-hole 32, thereby the quick spacing to movable block 16 has been realized, the convenience of user has been improved.

Working principle: firstly, an external motor is started to drive a worm 20 to rotate, the worm 20 drives a worm wheel 18 which is in meshed connection with the worm 20 to rotate, the expansion shaft 11 rotates while the worm wheel 18 rotates, the expansion shaft 11 drives an expansion disc 12 to rotate, and when the expansion disc 12 rotates anticlockwise, a fan-shaped block 13 which is fixedly connected with the expansion disc 12 is driven to do anticlockwise circular motion, as the surface of the fan-shaped block 13 is set to be a smooth outer surface, the expansion block 7 which is set to be a round angle is extruded through the fan-shaped block 13, meanwhile, a nitrogen spring 10 is stretched, and the extruded expansion block 7 is far away from the circle center of the bending disc 6, so that the outer diameter of the bending disc 6 is adjusted;

the steel pipe outside is placed between the two clamping blocks 31, the steel pipe is contacted with the placing arc 8, the two handles 30 are rotated to drive the threaded rod 29 to rotate, so that the two clamping blocks 31 are close to each other to clamp the steel pipe outside, the inserting rod 34 is pulled to contact the limiting of the moving block 16, the moving block 16 is moved to drive the fixed column 17 to contact the steel pipe outside, the limiting of the steel pipe outside is completed, then the blower 22 is started, and the blower 22 extracts air from outside and outputs the air to the surfaces of the workbench 1 and the steel pipe through the rubber hose 24, so that iron slag is removed from the surfaces of the steel pipe and the workbench 1, and the worker is prevented from being injured;

finally, an external motor is started to drive the transmission shaft 25 to rotate, the transmission shaft 25 drives the pinion 26 to rotate, and the pinion 26 drives the large gear 27 in meshed connection to rotate, so that the large gear 27 drives the driving shaft 5 fixedly connected with the inside of the large gear to rotate, the driving shaft 5 drives the bending disc 6 fixedly connected with the top to rotate, and the steel pipe is wound around the outer diameter of the bending disc 6 under the limit condition, so that the bending purpose is realized.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel pipe bender, includes workstation (1), its characterized in that: the bottom of the workbench (1) is fixedly connected with two symmetrical side plates (2), a transverse plate (4) is fixedly connected between the two side plates (2), a driving shaft (5) is rotatably connected between the transverse plate (4) and the workbench (1) through a bearing, a bending disc (6) is fixedly connected with the top end of the driving shaft (5), four circumferentially arranged expansion blocks (7) are spliced on the outer surface of the bending disc (6), an arc placing (8) is fixedly connected to one surface of the four expansion blocks (7) far away from the bending disc (6), a round corner is formed on one surface of the four expansion blocks (7) close to the center of the bending disc (6), a fixed block (9) is fixedly connected to the inner bottom wall of the bending disc (6), nitrogen springs (10) are fixedly connected to the front side and the rear side surfaces and the left side and the right side surfaces of the fixed block (9), the other end of each nitrogen spring (10) is fixedly connected with the expansion block (7) close to the fixing block, a shaft (11) is rotatably connected to the upper surface of the bending disc (6) through a bearing, a fan-shaped expansion block (12) is fixedly connected to the outer surface (13) of the expansion disc (12) which is fixedly connected with the outer surface of the fan-shaped disc (13), two sliding grooves (15) are formed in the front inner side wall and the rear inner side wall of the bending frame (14), moving blocks (16) are slidably connected in the two sliding grooves (15) which are close to each other, and fixing columns (17) are fixedly connected between the two moving blocks (16).

2. A steel pipe bender according to claim 1, characterized in that: the upper surface of the expansion shaft (11) is fixedly connected with a worm wheel (18), the upper surface of the expansion disc (12) is fixedly connected with two symmetrical stabilizing blocks (19), a worm (20) is rotatably connected between the two stabilizing blocks (19) through a bearing, the front end of the worm (20) is fixedly connected with the output end of an external forward and reverse rotation motor, and the worm (20) is meshed and connected with the worm wheel (18).

3. A steel pipe bender according to claim 1, characterized in that: the upper surface of the moving block (16) positioned at the uppermost part is fixedly connected with a handle (21), and the outer surface of the handle (21) is provided with a round angle.

4. A steel pipe bender according to claim 1, characterized in that: the left side face of frame (14) of bending is fixedly connected with fixed arc (23), and the left side face of fixed arc (23) is equipped with air-blower (22), and the output of air-blower (22) is fixed to be linked together has rubber hose (24).

5. A steel pipe bender according to claim 1, characterized in that: the workbench (1) is rotatably connected with the transverse plate (4) through a bearing, a transmission shaft (25) is fixedly connected with a pinion (26) on the outer surface of the transmission shaft (25), a large gear (27) is fixedly connected with the outer surface of the driving shaft (5), the pinion (26) is meshed with the large gear (27), and the bottom end of the transmission shaft (25) is fixedly connected with the outer motor output end.

6. A steel pipe bender according to claim 1, characterized in that: the upper surface fixedly connected with two symmetrical mount (28) of workstation (1), the equal threaded connection of left and right sides face of two mount (28) has threaded rod (29), and the equal fixedly connected with handle (30) of one end that two threaded rods (29) kept away from each other, knurl processing is all done to the surface of two handles (30), and the equal fixedly connected with fixture block (31) of one end that two threaded rods (29) are close to each other, and the one side that two fixture block (31) are close to each other is all established to the roughness.

7. A steel pipe bender according to claim 1, characterized in that: two sets of through holes (32) have been seted up on the upper surface of frame (14) of bending, the last fixed surface who is located the movable block (16) of top is connected with T shape piece (33), peg graft in the inside of T shape piece (33) have two symmetrical inserted bars (34), and two inserted bars (34) all peg graft rather than through-hole (32) that are close to, the interior bottom wall of two inserted bars (34) all fixedly connected with dismouting spring (35), the other end of two dismouting springs (35) all with T shape piece (33) fixed connection.