CN216065251U

CN216065251U - Seamless steel pipe bending machine

Info

Publication number: CN216065251U
Application number: CN202122649609.XU
Authority: CN
Inventors: 张义山; 张仁杰
Original assignee: Wuxi Hengfengxiang Steel Pipe Technology Co ltd
Current assignee: Wuxi Hengfengxiang Steel Pipe Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-18
Anticipated expiration: 2031-11-01

Abstract

The utility model provides a seamless steel pipe bending machine, which comprises a pipe bending device and a feeding device, wherein the upper end surface of the pipe bending device is provided with a processing table, one side of the pipe bending device is provided with a base, the upper end surface of the feeding device is provided with a feeding hole, a feeding bin is arranged inside the feeding device, the lower end of the feeding bin is provided with a pushing bin, the pushing bin is rotatably connected with a screw rod, the side wall of one end of the feeding device is fixedly provided with a motor, an output shaft of the motor penetrates through the side wall of the feeding device and is fixedly connected with the screw rod, the outer end surface of the screw rod is provided with a movable block in a threaded sleeve manner, the upper end of the movable block is fixedly provided with a supporting seat, the inner wall of the upper end of the pushing bin is provided with a sliding groove, the upper end of the supporting seat penetrates through the sliding groove and extends into the feeding bin, a steel pipe body is placed on the supporting seat, and the side wall of the feeding bin, which is far away from the motor, is provided with a pipe outlet, the working efficiency and the safety are improved.

Description

Seamless steel pipe bending machine

Technical Field

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

Background

The pipe bender is a device for bending a straight pipe with a certain length into a bent pipe with a three-dimensional shape, for example, the pipe bender is disclosed in the patent with the application number of CN202010274599.3, and comprises a base provided with an installation groove, wherein a first lead screw sliding block structure transversely arranged and a circular turntable positioned above the first lead screw sliding block structure are arranged in the installation groove, the front surface of the circular turntable is provided with a sliding rail extending along the radius of the circular turntable, an adjusting sliding block is arranged on the sliding rail, a U-shaped clamping sleeve is fixed on the adjusting sliding block, one side of the U-shaped clamping sleeve is provided with a hydraulic cylinder vertically fixed, the top of the hydraulic cylinder is fixed with another U-shaped clamping sleeve parallel to the U-shaped clamping sleeve, the inner sides of the two U-shaped clamping sleeves are respectively provided with a pair of idler wheels, the rear end face of the circular turntable is fixedly sleeved with a driving shaft of a gear, the upper end of the transverse sliding block is connected with a second lead screw sliding block structure longitudinally arranged, and the second lead screw sliding block structure is structurally connected with a rack plate meshed with the gear.

Although the device can prevent the inner arc side of the seamless steel tube from collapsing or wrinkling and ensure the radian consistency of the bent part of the seamless steel tube, the device needs to manually feed the steel tube into the jacket for clamping during feeding, and then starts equipment for processing, and the processing mode of manual feeding is high in labor intensity of workers and low in working efficiency.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems, the utility model provides a seamless steel pipe bender, which aims to solve the problem that the bender in the prior art cannot automatically feed materials, and avoid the situation that the work efficiency is reduced because a steel pipe is manually fed into a jacket to be clamped.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a seamless steel pipe bending machine, which comprises a pipe bending device and a feeding device, wherein the upper end surface of the pipe bending device is provided with a processing table, one side of the upper end surface of the processing table is fixedly provided with a support rod, the other side of the upper end surface of the processing table is fixedly provided with a hydraulic cylinder, the upper end of the support rod and the tail end of an output shaft of the hydraulic cylinder are both fixedly provided with clamping sleeves, one side of the pipe bending device is provided with a base, the feeding device is arranged at the upper end of the base, the upper end surface of the feeding device is provided with a feed inlet, a feeding bin is arranged inside the feeding device, the lower end of the feeding bin is provided with a pushing bin, the pushing bin is rotatably connected with a lead screw, the side wall at one end of the feeding device is fixedly provided with a motor, the output shaft of the motor penetrates through the side wall of the feeding device and is fixedly connected with the lead screw, the outer end surface of the lead screw is provided with a movable block in a threaded sleeve manner, and the upper end of the movable block is fixedly provided with a supporting seat, the inner wall of the upper end of the propelling bin is provided with a sliding groove, the upper end of the supporting seat penetrates through the sliding groove and extends into the feeding bin, the supporting seat is provided with a steel pipe body, and the feeding bin is far away from the side wall of the motor and provided with a pipe outlet.

By adopting the technical scheme, after the steel pipe body to be processed is placed on the supporting seat through the feeding hole, the lead screw is driven to rotate through the starting motor, the lead screw rotates to drive the moving block to move forwards in the pushing bin, and the moving block drives one end of the steel pipe body to extend out of the pipe outlet through the supporting seat while moving, so that the steel pipe body is fixed after passing through the two clamping sleeves, thereby realizing the automatic feeding process of the pipe bender and improving the processing efficiency.

Further, the height of the base is flush with the height of the pipe bending device, and the position of the pipe outlet is flush with the position of the clamping sleeve.

By adopting the technical scheme, the steel pipe body can directly penetrate through the two clamping sleeves to be fixed after extending out of the pipe outlet.

Further, the supporting seat upper end face is equipped with the arc wall, the steel pipe body with the contact of arc wall inner wall.

By adopting the technical scheme, the steel pipe body is convenient to support and place.

Further, the clamping sleeve comprises an upper clamping block and a lower clamping block, a first fixed block is symmetrically and integrally formed at two ends of the upper clamping block, a second fixed block is symmetrically and integrally formed at two ends of the lower clamping block, two connecting rods are fixed at the upper end of the second fixed block, the upper ends of the two connecting rods respectively penetrate through the first fixed block and are movably connected with the first fixed block, and a limiting plate is fixed at the upper end of each connecting rod.

By adopting the technical scheme, the clamping blocks can slide up and down along the connecting rods through the cooperation of the two connecting rods, so that the two ends of the steel pipe body are clamped and fixed, and the limiting plate is convenient for limiting the sliding distance of the upper clamping blocks.

Further, a plurality of locating levers are fixed on the upper end face of the first fixing block, a plurality of locating grooves are formed in the lower end face of the limiting plate, the locating levers are respectively movably connected with the locating grooves, step holes are symmetrically formed in the inner walls of the two ends of the locating grooves, clamping blocks are arranged in the step holes, clamping grooves are symmetrically formed in the two ends of the locating levers, and one ends of the clamping blocks extend to the outside of the step holes and are movably connected with the clamping grooves.

By adopting the technical scheme, when the first fixing block slides upwards, the upper clamping block is separated from the lower clamping block and drives the positioning rod to be inserted into the positioning groove, and the positioning rod is connected with the clamping groove through the clamping block and is fixed, so that the position of the upper clamping block is fixed, and the downward sliding of the upper clamping block is prevented.

Furthermore, a spring is arranged in the step hole, and two ends of the spring are respectively fixedly connected with the inner wall of the step hole and the clamping block.

Adopt above-mentioned technical scheme, slide to the step hole when the fixture block receives external acting force, the fixture block is gliding extrudees the spring simultaneously, and the elasticity of spring can drive the fixture block and reset when the fixture block loses behind the acting force.

Furthermore, the cross section of one end of the clamping block, which is connected with the clamping groove, is trapezoidal, and the cross section of the clamping block is consistent with the cross section of the clamping groove in shape and size.

By adopting the technical scheme, when the first fixing block is convenient to pull downwards through the trapezoid structure, the fixture block can be driven to move towards the step hole, so that the positioning rod is convenient to separate from the positioning groove.

Furthermore, a bolt is arranged between the two connecting rods on the first fixing block, and the bolt penetrates through the first fixing block and the second fixing block and is in threaded connection with the first fixing block and the second fixing block.

By adopting the technical scheme, after the upper clamping block and the lower clamping block are clamped mutually, the upper clamping block and the lower clamping block are fixed by screwing the bolt.

The technical scheme has the following advantages or beneficial effects:

according to the automatic pipe bending machine, the feeding device is matched with the pipe bending device, after a steel pipe body to be processed is placed on the supporting seat through the feeding hole, the lead screw is driven to rotate through the starting motor, the lead screw rotates to drive the moving block to move forwards in the pushing bin, the moving block drives one end of the steel pipe body to extend out of the pipe outlet through the supporting seat while moving, and the steel pipe body is fixed after passing through the two clamping sleeves, so that the automatic feeding process of the pipe bending machine is realized, the steel pipe body is prevented from being manually fed into the clamping sleeves, and the processing efficiency and the safety are improved.

Drawings

The utility model and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.

FIG. 1 is a schematic view of the overall structure provided in embodiment 1 of the present invention;

fig. 2 is a schematic perspective view of a feeding device provided in embodiment 1 of the present invention;

fig. 3 is a schematic perspective view of a support seat provided in embodiment 1 of the present invention;

FIG. 4 is a schematic perspective view of a clamping sleeve provided in embodiment 1 of the present invention;

FIG. 5 is a sectional view of a partial structure provided in example 1 of the present invention;

fig. 6 is an enlarged schematic structural diagram of a point a in fig. 5 according to embodiment 1 of the present invention.

In the figure: 1. a pipe bending device; 11. a processing table; 12. a support bar; 13. a hydraulic cylinder; 2. a feeding device; 21. a feed inlet; 22. feeding a bin; 221. an outlet pipe orifice; 23. propelling the bin; 231. a screw rod; 232. a moving block; 233. a supporting seat; 233a, an arc-shaped groove; 234. a chute; 3. a clamping sleeve; 31. an upper clamping block; 32. a lower clamping block; 33. a first fixed block; 331. positioning a rod; 331a, a card slot; 34. a second fixed block; 35. a connecting rod; 36. a limiting plate; 361. positioning a groove; 361a, a stepped hole; 37. a clamping block; 38. a spring; 4. a base; 5. a motor; 6. a steel pipe body; 7. and (4) bolts.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As used herein, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the positional or orientational relationship illustrated in the figures to facilitate the description of the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the utility model.

The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the utility model without making creative efforts, belong to the protection scope of the utility model.

Example 1:

as shown in fig. 1-6, a seamless steel pipe bender provided in embodiment 1 of the present invention includes a pipe bending device 1 and a feeding device 2, wherein a processing table 11 is disposed on an upper end surface of the pipe bending device 1, a support rod 12 is fixed on one side of the upper end surface of the processing table 11, a hydraulic cylinder 13 is fixed on the other side of the upper end surface, a clamping sleeve 3 is fixed on an upper end of the support rod 12 and a tail end of an output shaft of the hydraulic cylinder 13, a base 4 is disposed on one side of the pipe bending device 1, the feeding device 2 is mounted on an upper end of the base 4, a feeding port 21 is disposed on the upper end surface of the feeding device 2, a feeding bin 22 is disposed inside the feeding device 2, a pushing bin 23 is disposed at a lower end of the feeding bin 22, a screw rod 231 is rotatably connected inside the pushing bin 23, a motor 5 is fixed on a side wall of one end of the feeding device 2, an output shaft of the motor 5 penetrates through a side wall of the feeding device 2 and is fixedly connected with the screw rod 231, the outer end face of the lead screw 231 is threaded and sleeved with a moving block 232, a supporting seat 233 is fixed to the upper end of the moving block 232, a sliding groove 234 is formed in the inner wall of the upper end of the propelling bin 23, the upper end of the supporting seat 233 penetrates through the sliding groove 234 and extends into the upper bin 22, a steel tube body 6 is placed on the supporting seat 233, and a pipe outlet 221 is formed in the side wall, away from the motor 5, of the upper bin 22.

As shown in fig. 1 and 3, the height of the base 4 is flush with the height of the pipe bending device 1, the position of the pipe outlet 221 is flush with the position of the clamping sleeve 3, an arc-shaped groove 233a is formed in the upper end surface of the supporting seat 233, and the steel pipe body 6 is in contact with the inner wall of the arc-shaped groove 233 a.

As shown in fig. 4-6, the clamping sleeve 3 includes an upper clamping block 31 and a lower clamping block 32, a first fixing block 33 is symmetrically and integrally formed at two ends of the upper clamping block 31, a second fixing block 34 is symmetrically and integrally formed at two ends of the lower clamping block 32, two connecting rods 35 are fixed at an upper end of the second fixing block 34, upper ends of the two connecting rods 35 respectively penetrate through the first fixing block 33 and are movably connected therewith, a limiting plate 36 is fixed at upper ends of the two connecting rods 35, a plurality of positioning rods 331 are fixed on an upper end surface of the first fixing block 33, a plurality of positioning grooves 361 are arranged on a lower end surface of the limiting plate 36, the plurality of positioning rods 331 are respectively movably connected with the positioning grooves 361, stepped holes 361a are symmetrically arranged on inner walls at two ends of the positioning grooves 361, clamping blocks 37 are arranged in the stepped holes 361a, clamping grooves 331a are symmetrically arranged at two ends of the positioning rods 331, one end of the clamping block 37 extends out of the stepped holes 361a and is movably connected with the clamping grooves 331a, the inside spring 38 that is equipped with of step hole 361a, spring 38 both ends respectively with step hole 361a inner wall with fixture block 37 fixed connection, fixture block 37 with the one end cross-sectional shape that draw-in groove 331a is connected is trapezoidal, and with draw-in groove 331a cross-sectional shape is unanimous with size, the position that lies in between two connecting rods 35 on the first fixed block 33 is equipped with bolt 7, bolt 7 runs through first fixed block 33 and second fixed block 34 and rather than threaded connection.

In summary, the implementation principle of the seamless steel pipe bender provided by the utility model is as follows:

the first fixing block 33 is lifted upwards to separate the upper clamping block 31 from the lower clamping block 32 and drive the positioning rod 331 to be inserted into the positioning groove 361, the positioning rod 331 extrudes the fixture block 37 to slide into the stepped hole 361a and drive the spring 38 to compress, when the clamping groove 331a corresponds to the stepped hole 361a, the elastic force of the spring 38 drives the fixture block 37 to slide outwards and is connected with the clamping groove 331a so as to fix the upper clamping block 31, then the steel pipe body 6 to be processed is placed on the supporting seat 233 through the feeding port 21, the motor 5 is started to drive the screw rod 231 to rotate, the screw rod 231 rotates to drive the moving block 232 to move forwards in the pushing cabin 23, the moving block 232 drives one end of the steel pipe body 6 to extend out from the pipe outlet 221 through the supporting seat 233 while moving, the steel pipe body 6 passes between the upper clamping block 31 and the lower clamping block 32 and then stops the motor 5, and then the first fixing block 33 is pulled downwards to drive the fixture block 37 to move towards the stepped hole 361a, the positioning rod 331 is separated from the positioning groove 361, then the upper clamping block 31 slides downwards and clamps the steel pipe body 6, and finally the bolt 7 is installed for fixing.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims

1. A seamless steel pipe bender is characterized by comprising a pipe bending device (1) and a feeding device (2);

the pipe bending device is characterized in that a processing table (11) is arranged on the upper end face of the pipe bending device (1), a support rod (12) is fixed on one side of the upper end face of the processing table (11), a hydraulic cylinder (13) is fixed on the other side of the upper end face of the processing table (11), a clamping sleeve (3) is fixed on the upper end of the support rod (12) and the tail end of an output shaft of the hydraulic cylinder (13), a base (4) is arranged on one side of the pipe bending device (1), a feeding device (2) is installed on the upper end of the base (4), a feeding hole (21) is formed in the upper end face of the feeding device (2), a feeding bin (22) is arranged inside the feeding device (2), a propelling bin (23) is arranged at the lower end of the feeding bin (22), a screw rod (231) is rotatably connected inside the propelling bin (23), a motor (5) is fixed on the side wall of one end of the feeding device (2), and an output shaft of the motor (5) penetrates through the side wall of the feeding device (2) and is fixedly connected with the screw rod (231), the outer terminal surface of lead screw (231) is gone up the thread bush and is equipped with movable block (232), movable block (232) upper end is fixed with supporting seat (233), it is equipped with spout (234) to promote storehouse (23) upper end inner wall, supporting seat (233) upper end runs through spout (234) and extend to go up in feed bin (22), steel pipe body (6) have been placed on supporting seat (233), it keeps away from to go up feed bin (22) the lateral wall of motor (5) has been seted up out mouth of pipe (221).

2. The seamless steel pipe bender according to claim 1, characterized in that the base (4) is flush with the pipe bending device (1) in height, and the outlet (221) is flush with the clamping sleeve (3).

3. The seamless steel tube bender according to claim 1, characterized in that the upper end face of the supporting seat (233) is provided with an arc-shaped groove (233a), and the steel tube body (6) contacts with the inner wall of the arc-shaped groove (233 a).

4. The seamless steel tube bending machine according to claim 1, wherein the clamping sleeve (3) comprises an upper clamping block (31) and a lower clamping block (32), first fixing blocks (33) are symmetrically and integrally formed at two ends of the upper clamping block (31), second fixing blocks (34) are symmetrically and integrally formed at two ends of the lower clamping block (32), two connecting rods (35) are fixed at upper ends of the second fixing blocks (34), upper ends of the two connecting rods (35) respectively penetrate through the first fixing blocks (33) and are movably connected with the first fixing blocks, and a limiting plate (36) is fixed at upper ends of the two connecting rods (35).

5. The seamless steel tube bending machine according to claim 4, wherein a plurality of positioning rods (331) are fixed on an upper end surface of the first fixing block (33), a plurality of positioning grooves (361) are formed in a lower end surface of the limiting plate (36), the positioning rods (331) are respectively movably connected with the positioning grooves (361), stepped holes (361a) are symmetrically formed in inner walls of two ends of each positioning groove (361), clamping blocks (37) are arranged in the stepped holes (361a), clamping grooves (331a) are symmetrically formed in two ends of each positioning rod (331), and one end of each clamping block (37) extends out of each stepped hole (361a) and is movably connected with the corresponding clamping groove (331 a).

6. The seamless steel tube bender according to claim 5, wherein a spring (38) is disposed inside said stepped hole (361a), and two ends of said spring (38) are respectively and fixedly connected to an inner wall of said stepped hole (361a) and said fixture block (37).

7. The seamless steel tube bender according to claim 5, wherein the cross-sectional shape of the end of the fixture block (37) connected with the slot (331a) is trapezoidal, and is consistent with the cross-sectional shape and size of the slot (331 a).

8. The seamless steel tube bender according to claim 4, characterized in that a bolt (7) is arranged on the first fixing block (33) at a position between the two connecting rods (35), and the bolt (7) penetrates through the first fixing block (33) and the second fixing block (34) and is in threaded connection with the first fixing block and the second fixing block.