CN213826536U

CN213826536U - Steel pipe bending machine

Info

Publication number: CN213826536U
Application number: CN202022057571.2U
Authority: CN
Inventors: 王锡铭; 王瑞良; 瞿新科; 陆云飞
Original assignee: WUXI JINYANG PIPING FITTING CO Ltd
Current assignee: WUXI JINYANG PIPING FITTING CO Ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-07-30
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a steel pipe bending machine, comprises a workbench, be provided with the centre wheel that can rotate on the workstation, be provided with the servo motor one of drive centre wheel rotation under the workstation, the upper surface of centre wheel and lower surface outer fringe level respectively outwards extend have last flange and lower flange, go up the flange and form the circular ring groove that supplies partial steel pipe laminating card to go into with lower flange, go up the flange and only occupy the 90 circular arc of centre wheel, the part that does not have the upper flange on the centre wheel upper surface sets up the escape orifice that supplies the steel pipe to pass, be provided with the turning wheel with centre wheel complex on the workstation, be provided with the servo motor of drive gear rotation under the workstation, drive the turning wheel through the gear and rotate 90 around the centre wheel; a storage box used for storing steel pipes is arranged on one side outside the workbench, and a manipulator used for grabbing the steel pipes is arranged above the workbench. By means of the cooperation of the central wheel, the rotating wheel and the driving mechanism, the automatic production of the bent pipe is realized.

Description

Steel pipe bending machine

Technical Field

The utility model relates to a steel pipe machining equipment, more specifically say, it relates to a steel pipe bender.

Background

At present, an electric bending machine is adopted, although the structure is labor-saving, the existing bending machine still has the following defects: after the steel pipe is bent by the bending machine, the steel pipe subjected to bending treatment needs to be manually taken out, and meanwhile, in the process of taking out the steel pipe, the bent steel pipe is arranged between a center wheel and a rotating wheel of the bending machine, so that the steel pipe is easy to clamp when taken out, the steel pipe is troublesome to take out, and the working efficiency is low.

Patent publication No. CN105642718A, published 2016-06-08 discloses a steel pipe bending device; the steel pipe bending device comprises a hollow bending seat, wherein a fixing table, a steel pipe clamping groove and a steel pipe bending mechanism are arranged on the bending seat, the steel pipe bending mechanism comprises a center wheel and a rotating wheel, a first pipe bending groove is formed in the side portion of the center wheel in a surrounding mode, a second pipe bending groove is also formed in the side portion of the rotating wheel in a surrounding mode, the center wheel is connected with a motor through a shaft, the motor is arranged inside the bending seat, a fixing block is arranged at the end portion of the steel pipe clamping groove, a spring is fixed at the other end of the fixing block, a reset block is arranged on the steel pipe clamping groove and movably connected with the spring, and the reset block is connected with the steel pipe clamping groove through a clamping piece; one side at the seat of buckling sets up steel pipe connecting piece and bending type groove, and steel pipe connecting piece includes connecting seat and bending type pipe robotic arm, and the bending type groove sets up between seat and the connecting seat of buckling.

Above-mentioned patent conveniently takes out the bending tube, but still need the manual work to take out like this and the blowing, leads to artifical fatigue easily after long-term work, consequently can't work all day, consequently still has the problem that work efficiency is low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a steel pipe bender has the effect of automatic receipts blowing.

In order to achieve the technical purpose, the utility model provides a following technical scheme: the utility model provides a steel pipe bender, includes the workstation, but be provided with the centre wheel of rotation on the workstation, be provided with the servo motor I of drive centre wheel rotation under the workstation, the upper surface of centre wheel and lower surface outer fringe level respectively outwards extend have last flange and lower flange, go up the flange and form the circular ring groove that supplies partial steel pipe laminating card to go into with lower flange, go up the flange and only occupy the 90 circular arcs of centre wheel, the position of letting that supplies the steel pipe to pass is seted up to the part that does not have last flange on the centre wheel upper surface, be provided with the turning wheel with centre wheel complex on the workstation, be provided with the rack that is located under the turning wheel under the workstation, the rack sets up to 90 circular arc, be provided with the gear with rack toothing under the workstation, be provided with the servo motor two of drive gear rotation under the workstation, the rack sets up with the centre wheel is concentric, the rotating wheel is driven by the gear to rotate for 90 degrees around the central wheel;

the utility model discloses a steel pipe storage device, including workstation, workstation outside, one side is provided with the storage case that is used for the storage steel pipe, the workstation top is provided with the manipulator that is used for snatching the steel pipe, be provided with the actuating mechanism who drives the manipulator and slide, vertical lift and finely tune along workstation width direction along workstation length direction on the workstation, the opposite side is provided with the collection workbin that is used for collecting the return bend outside the workstation.

By adopting the technical scheme, the manipulator grabs a steel pipe from the material storage box and places the steel pipe between the central wheel and the rotating wheel, at the moment, one side of the central wheel without the upper protective edge is aligned with the rotating wheel, the manipulator attaches the steel pipe to the central wheel and places the steel pipe into a gap between the rotating wheel and the central wheel, the driving mechanism drives the steel pipe to slide to the position of the fit rotating wheel along the width direction of the workbench, the servo motor drives the central wheel to rotate, the steel pipe is clamped between the circular groove of the central wheel and the rotating wheel, the servo motor II is started to drive the rotating wheel to rotate 90 degrees around the central wheel, the steel pipe is folded into a bent pipe, the rotating wheel and the central wheel reset simultaneously, the driving mechanism moves the bent pipe to the position of the fit central wheel clearance opening, and then the bent pipe is lifted, and the manipulator loosens the bent pipe, so that the automatic material receiving and discharging of the bent pipe can be completed and the bent pipe can be bent, and the working efficiency is improved.

Preferably, be provided with the spacing frame that supplies the steel pipe to keep away from the one end laminating card income of rotating the wheel on the workstation, spacing frame sets up to semi-circular, the steel pipe laminating is rotated the wheel in, the spacing frame of laminating.

Through adopting above-mentioned technical scheme, the manipulator places the steel pipe and rotates the clearance of wheel and centre wheel after, and manipulator fine setting steel pipe makes the steel pipe laminate simultaneously and rotates wheel and spacing frame, rotates when the wheel buckles the steel pipe, and spacing frame prevents that the steel pipe from keeping away from the one end deformation of rotating the wheel, has guaranteed that the both ends of return bend are vertical, and the manipulator also prevents that the steel pipe from following and rotates the wheel slip simultaneously, has guaranteed the machining precision of return bend.

Preferably, the rack and the rotating wheel are fixedly connected through a supporting rod, the rotating wheel can rotate relative to the supporting rod, the cross section of the supporting rod in the horizontal direction is arc-shaped, an arc-shaped hole for the supporting rod to rotate in a fitting mode is formed in the workbench, and the arc-shaped hole is similar to the rack in shape and is located right above the rack.

Through adopting above-mentioned technical scheme, the bracing piece can only rotate along the centre wheel in the arc is downthehole, and unable rotation has guaranteed the rotation precision of rotating the wheel.

Preferably, the support rod is provided with two limiting blocks which are respectively positioned above and below the workbench, and one surface of each limiting block, which is close to the workbench, is attached to the workbench through a plane thrust ball bearing.

Through adopting above-mentioned technical scheme, stopper and plane thrust ball bearing's cooperation has guaranteed that the bracing piece can only follow the arc hole and rotate, and unable upper and lower displacement has further improved the rotation precision of rotating the wheel.

Preferably, be provided with two vertical ejector levers in the storage case, two the half slot that supplies steel pipe laminating card to go into is seted up to the upper surface of ejector lever, the below of storage case is provided with the cylinder that two ejector levers of drive go up and down simultaneously, two the interval of ejector lever is less than the length of steel pipe.

Through adopting above-mentioned technical scheme, two ejector pins of cylinder drive rise, and two ejector pins block a steel pipe in inserting accumulational steel pipe, along with the continuous rising of ejector pin, other steel pipes all can be because the dead weight falls down, and finally only a steel pipe is risen by the ejector pin, makes things convenient for the manipulator to snatch, has improved the simple operation nature.

Preferably, the width of the storage box is 2mm wider than the length of the steel pipe.

Through adopting above-mentioned technical scheme, guaranteed that every steel pipe all is parallel and piles up along storage case length direction in the storage case, guaranteed that the material pushing rod can both push up a steel pipe at every turn.

Preferably, actuating mechanism is including driving the ball screw mechanism that the manipulator slided along workstation length direction, be provided with the lift cylinder that drives the vertical lift of manipulator on ball screw mechanism's the slider, the output rod tip of lift cylinder is provided with the fine motion cylinder that drives the manipulator and finely tune along workstation width direction, the manipulator includes two collapsible pneumatic clamping jaws.

By adopting the technical scheme, the flexible movement of the steel pipe is realized by means of the combination of various driving devices.

To sum up, the utility model discloses following effect has been gained:

1. the automatic production of the bent pipe is realized by means of the matching of the central wheel, the rotating wheel and the driving mechanism;

2. the stable rotation of the rotating wheel is realized by means of the matching of the supporting rod and the limiting block;

3. by means of the matching of the material pushing rod and the material storage box, automatic feeding of the steel pipes is achieved.

Drawings

FIG. 1 is a schematic view for showing the overall structure in the present embodiment;

FIG. 2 is a top view of the present embodiment showing the engagement relationship between the center wheel and the rotatable wheel;

FIG. 3 is a schematic view showing the relationship between the rack and the pinion in this embodiment;

fig. 4 is a schematic diagram for showing a specific structure of the storage bin in this embodiment.

In the figure, 1, a workbench; 11. a limiting frame; 2. a center wheel; 21. a first servo motor; 22. an upper bead; 23. a lower bead; 3. a rotating wheel; 31. a rack; 32. a gear; 33. a servo motor II; 34. a support bar; 35. an arc-shaped hole; 36. a limiting block; 4. a material storage box; 41. a manipulator; 42. a material pushing rod; 5. a material receiving box; 6. a drive mechanism.

Detailed Description

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

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b): a steel pipe bending machine is shown in figures 1 and 2 and comprises a workbench 1, wherein a center wheel 2 capable of rotating is arranged on the workbench 1, a first servo motor 21 for driving the center wheel 2 to rotate is arranged below the workbench 1, an upper protective edge 22 and a lower protective edge 23 respectively extend outwards and horizontally from the outer edge of the upper surface and the outer edge of the lower surface of the center wheel 2, the upper protective edge 22 and the lower protective edge 23 form a circular groove for a part of steel pipes to be stuck and clamped, the upper protective edge 22 only occupies a 90-degree circular arc of the center wheel 2, a position-giving opening for the steel pipes to pass through is formed in the part, without the upper protective edge 22, of the upper surface of the center wheel 2, a rotating wheel 3 matched with the center wheel 2 is arranged on the workbench 1, a rack 31 located right below the rotating wheel 3 is arranged below the workbench 1, the rack 31 is arranged in a 90-degree circular arc shape, a gear 32 (refer to figure 3) meshed with the rack 31 is arranged below the workbench 1, a second servo motor 33 for driving the rotation of the gear 32 is arranged below the workbench 1, the rack 31 is arranged concentrically with the central wheel 2, and the gear 32 drives the rotating wheel 3 to rotate 90 degrees around the central wheel 2.

As shown in fig. 1, a storage box 4 for storing steel pipes is arranged on one side outside a workbench 1, a manipulator 41 for grabbing the steel pipes is arranged above the workbench 1, a driving mechanism 6 for driving the manipulator 41 to slide along the length direction of the workbench 1, vertically lift and finely adjust along the width direction of the workbench 1 is arranged on the workbench 1, and a receiving box 5 for collecting bent pipes is arranged on the other side outside the workbench 1.

A manipulator 41 grabs a steel pipe from a material storage box 4 and places the steel pipe between a central wheel 2 and a rotating wheel 3, at the moment, one side of the central wheel 2 without an upper protective edge 22 is aligned with the rotating wheel 3, the manipulator 41 enables the steel pipe to be attached to the central wheel 2 and placed in a gap between the rotating wheel 3 and the central wheel 2, a driving mechanism 6 drives the steel pipe to slide to the position attached to the rotating wheel 3 along the width direction of a workbench 1, a servo motor I21 drives the central wheel 2 to rotate, the steel pipe is clamped between an annular groove of the central wheel 2 and the rotating wheel 3, a servo motor II 33 is started to drive the rotating wheel 3 to rotate 90 degrees around the central wheel 2, the steel pipe is folded into a bent pipe, at the moment, the rotating wheel 3 and the central wheel 2 reset simultaneously, the driving mechanism 6 moves the bent pipe to the position attached to a position of a position opening of the central wheel 2, then the bent pipe is moved to the position above a material collection box 5, and the manipulator 41 loosens the bent pipe, so that automatic material collection and discharge and bending of the bent pipe can be completed, the working efficiency is improved.

As shown in fig. 1, the driving mechanism 6 includes a ball screw mechanism for driving the manipulator 41 to slide along the length direction of the workbench 1, a lifting cylinder for driving the manipulator 41 to vertically lift is provided on a slider of the ball screw mechanism, a micro-cylinder for driving the manipulator 41 to finely adjust along the width direction of the workbench 1 is provided at an end of an output rod of the lifting cylinder, and the manipulator 41 includes two retractable pneumatic clamping jaws. By means of the combination of various driving devices, the flexible movement of the steel pipe is realized.

As shown in figure 2, a limiting frame 11 for enabling one end of the steel pipe far away from the rotating wheel 3 to be attached and clamped is arranged on the workbench 1, the limiting frame 11 is semicircular, and the steel pipe is attached to the rotating wheel 3 and is attached to the limiting frame 11. After the manipulator 41 places the steel pipe in the gap between the rotating wheel 3 and the central wheel 2, the manipulator 41 finely adjusts the steel pipe to enable the steel pipe to be simultaneously attached to the rotating wheel 3 and the limiting frame 11, when the rotating wheel 3 bends the steel pipe, the limiting frame 11 prevents the steel pipe from being deformed at the end far away from the rotating wheel 3, the two ends of the bent pipe are ensured to be vertical, meanwhile, the manipulator 41 also prevents the steel pipe from sliding along with the rotating wheel 3, and the machining precision of the bent pipe is ensured.

As shown in fig. 1 and 3, the rack 31 and the rotating wheel 3 are fixedly connected through a support rod 34, the rotating wheel 3 can rotate relative to the support rod 34, the cross section of the support rod 34 in the horizontal direction is arc-shaped, an arc-shaped hole 35 for the support rod 34 to rotate in a fitting manner is formed in the workbench 1, and the arc-shaped hole 35 is similar to the rack 31 in shape and is located right above the rack 31. The support rod 34 can only rotate along the central wheel 2 in the arc-shaped hole 35 and cannot rotate, so that the rotation precision of the rotating wheel 3 is ensured.

As shown in fig. 1, two limiting blocks 36 respectively located above and below the workbench 1 are arranged on the support rod 34, and one surface of the limiting block 36 close to the workbench 1 is attached to the workbench 1 through a planar thrust ball bearing. The cooperation of stopper 36 and plane thrust ball bearing has guaranteed that bracing piece 34 can only rotate along arc hole 35, and unable upper and lower displacement has further improved the rotation precision of rotating wheel 3.

As shown in fig. 4, two vertical pushing rods 42 are provided in the storage box 4, a semicircular groove for the steel pipe to be fitted and clamped is formed in the upper surface of each pushing rod 42, an air cylinder for driving the two pushing rods 42 to lift simultaneously is provided below the storage box 4, and the distance between the two pushing rods 42 is smaller than the length of the steel pipe. Two ejector pins 42 of cylinder drive rise, and two ejector pins 42 insert during accumulational steel pipe, block a steel pipe, along with ejector pin 42 constantly rises, other steel pipes all can be because the dead weight falls down, and finally only a steel pipe is risen by ejector pin 42, make things convenient for manipulator 41 to snatch, have improved the simple operation nature.

As shown in fig. 4, the width of the magazine 4 is 2mm wider than the length of the steel tube. Each steel pipe in the material storage box 4 is parallel and stacked along the length direction of the material storage box 4, and the material pushing rod 42 can push up one steel pipe at each time.

Claims

1. The utility model provides a steel pipe bender, includes workstation (1), be provided with on workstation (1) can the rotation centre wheel (2), its characterized in that: the steel pipe clamp is characterized in that a first servo motor (21) for driving the center wheel (2) to rotate is arranged below the workbench (1), an upper protective edge (22) and a lower protective edge (23) extend outwards horizontally from the upper surface and the lower surface of the center wheel (2) respectively, the upper protective edge (22) and the lower protective edge (23) form a circular groove for partial steel pipe to be stuck and clamped, the upper protective edge (22) only occupies 90-degree circular arc of the center wheel (2), a position-giving opening for the steel pipe to pass through is formed in the part, without the upper protective edge (22), of the upper surface of the center wheel (2), a rotating wheel (3) matched with the center wheel (2) is arranged on the workbench (1), a rack (31) located under the rotating wheel (3) is arranged under the workbench (1), the rack (31) is arranged in a 90-degree circular arc shape, and a gear (32) meshed with the rack (31) is arranged under the workbench (1), a second servo motor (33) for driving the rotation of the gear (32) is arranged below the workbench (1), the rack (31) and the central wheel (2) are concentrically arranged, and the gear (32) drives the rotating wheel (3) to rotate for 90 degrees around the central wheel (2);

workstation (1) outer one side is provided with storage case (4) that are used for the storage steel pipe, workstation (1) top is provided with manipulator (41) that are used for snatching the steel pipe, be provided with actuating mechanism (6) that actuating mechanism (41) slided, vertically go up and down and finely tune along workstation (1) width direction along workstation (1) length direction on workstation (1), workstation (1) outer opposite side is provided with receipts workbin (5) that are used for collecting the return bend.

2. The steel tube bending machine according to claim 1, characterized in that: be provided with spacing frame (11) that the one end laminating card that supplies the steel pipe to keep away from rotating wheel (3) on workstation (1) is gone into, spacing frame (11) set up to semi-circular, when the steel pipe laminating rotates wheel (3), laminating spacing frame (11).

3. Steel pipe bending machine according to claim 2, characterized in that: the rack (31) and the rotating wheel (3) are fixedly connected through a supporting rod (34), the rotating wheel (3) can rotate relative to the supporting rod (34), the cross section of the supporting rod (34) in the horizontal direction is arc-shaped, and an arc-shaped hole (35) for the supporting rod (34) to be attached and rotated is formed in the workbench (1).

4. Steel pipe bending machine according to claim 3, characterized in that: the support rod (34) is provided with two limiting blocks (36) which are respectively positioned above and below the workbench (1), and one surface of each limiting block (36) close to the workbench (1) is attached to the workbench (1) through a plane thrust ball bearing.

5. Steel pipe bending machine according to claim 4, characterized in that: be provided with two vertical ejector pins (42) in storage case (4), two the semicircle groove that supplies steel pipe laminating card to go into is seted up to the upper surface of ejector pin (42), the below of storage case (4) is provided with the cylinder that two ejector pins (42) of drive go up and down simultaneously, two the interval of ejector pin (42) is less than the length of steel pipe.

6. Steel pipe bending machine according to claim 5, characterized in that: the width of the material storage box (4) is 2mm wider than the length of the steel pipe.

7. Steel pipe bending machine according to claim 6, characterized in that: actuating mechanism (6) are including driving ball screw mechanism that manipulator (41) slided along workstation (1) length direction, be provided with the lift cylinder that drives the vertical lift of manipulator (41) on ball screw mechanism's the slider, the output pole tip of lift cylinder is provided with the fine motion cylinder that drives manipulator (41) along workstation (1) width direction fine setting, manipulator (41) include two collapsible pneumatic clamping jaws.