CN211965488U - Multi-station pipe bending device - Google Patents

Abstract

The utility model relates to a multi-station pipe bending device, the top of a frame is provided with an elbow component, the bottom of the frame is provided with a rotary driving mechanism, the elbow component comprises a rotary clamp, a rotating frame and a first pressing mechanism, the outer side of the rotary clamp is provided with a pipe bending groove, one side of the elbow component is provided with a fixed clamp, one side of the fixed clamp is provided with a positioning groove, the rotating frame is provided with a telescopic piece, the top of the rotary clamp is provided with a lug, the circular arc part and the straight line part of a rotary clamp wrapping block are positioned by the positioning groove and the pipe bending groove, after the steel pipe is fixed on the rotary clamp by the first pressing mechanism, the rotary driving mechanism drives the elbow component to bend the steel pipe, a plurality of steel pipes can be bent simultaneously, the efficiency is higher, the rotary clamp is fixed by pressing the telescopic piece against the lug, the processing is more stable, the lug is, through L shape fixture block chucking in the edge part, press towards the constant head tank with the steel pipe through second pressing fit mechanism, prevent that the steel pipe from shifting.

Description

Multi-station pipe bending device

technical field

The utility model relates to the field of pipeline processing equipment, in particular to a multi-station pipe bending device.

Background technique

At present, in the process of using pipes, in order to meet various needs, the pipes need to be bent into various angles. The general pipe bending method basically uses a pipe bending machine for cold bending processing. The existing pipe bending machine adopts manual operation. In the process of pipe bending, it is time-consuming and labor-intensive. Only one workpiece can be processed at the same time, and different specifications of steel pipes need to be produced with multiple corresponding bending devices, resulting in low production efficiency. During processing, due to the uneven labor force , Every time the pipe is bent, it can only be judged by observation and feeling whether to bend the pipe to an appropriate angle, and when bending the workpiece, the position of the workpiece is prone to deviation and displacement, and the stability is not high, which affects the normal processing and causes the workpiece. Unqualified, resulting in a waste of manpower and material resources, increasing the cost, the steel pipe is easy to be stuck after bending, and it is inconvenient to take out.

Utility model content

In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a multi-position pipe bending device with high working efficiency, stable structure, prevention of displacement of steel pipes and easy removal of steel pipes.

The technical scheme adopted by the utility model is:

A multi-station pipe bending device includes a frame, an elbow assembly is arranged on the top of the frame, and a rotary drive mechanism is arranged at the bottom of the frame, and the elbow assembly includes a rotating fixture, a turn frame and a steel pipe fixed on the rotating fixture. The first pressing mechanism, the rotary drive mechanism is connected with the turret, and its output end is coaxial with the rotating fixture, the rotating fixture is connected with the turret through a bearing, and a number of elbow grooves are arranged on the outside of the elbow assembly. The side is provided with a fixed fixture, one side of the fixed fixture is provided with the same number of positioning grooves as the number of elbow grooves, the turret is provided with a telescopic piece, the top of the rotating fixture is provided with a convex block, and the output end of the telescopic piece is movably attached to the convex. On one side of the block, the rotating fixture wraps the circular arc part and the linear part of the block, the linear part is connected with the circular arc part, and the convex block is arranged on the upper side of the linear part.

Preferably, the first pressing mechanism includes a first cylinder and a first fixing block connected to the first cylinder, the first fixing block corresponds to the straight portion, and a first fixing groove corresponding to the elbow groove is provided on one side of the first fixing block, One side of the positioning groove is provided with a second pressing mechanism, the second pressing mechanism includes a second cylinder and a second fixing block connected with the second cylinder, and one side of the second fixing block is provided with a second pressing mechanism corresponding to the positioning groove. A fixing slot, the second cylinder is fixed on the frame.

Preferably, the upper and lower sides of the linear portion are provided with raised edge portions, one side of the edge portion is provided with an escape groove, the upper and lower sides of the first fixing block are provided with L-shaped clamping blocks, the first cylinder and the turret are provided with A third cylinder is fixed on the turret, and the output end of the third cylinder is connected with the first cylinder.

Preferably, the output end of the first cylinder is connected with the first fixing block through threads, and the output end of the second cylinder is connected with the second fixing block through threads.

Preferably, the rotary drive mechanism includes a motor, a worm wheel, a worm and a rotating shaft. The output end of the motor is connected to the worm through a belt, the worm is meshed with the worm wheel, the worm wheel is fixedly connected to the rotating shaft, and the rotating shaft is fixedly connected to the turret.

Preferably, the rotating shaft and the frame are connected through a bearing, and a reinforcing frame is provided at the bottom of the rotating shaft, and the reinforcing frame is fixedly connected with the frame and connected with the rotating shaft through a bearing.

Preferably, the worm gear is provided with a circular hollow groove, the rotating shaft is connected with a disc, the disc is embedded in the circular hollow groove, and is connected with the worm gear by screws.

Preferably, four screws are provided in an annular array.

Preferably, the worm is horizontal and horizontal, and both ends of the worm are connected with the frame through bearings.

Preferably, the telescopic element is an air cylinder.

The beneficial effects of the present utility model are:

The multi-position pipe bending device positions the steel pipe through several positioning grooves and pipe bending grooves. After the steel pipe is fixed on the rotating fixture through the first pressing mechanism, the rotating drive mechanism drives the elbow assembly to bend the steel pipe, which can simultaneously bend the steel pipe. It is more efficient to bend multiple steel pipes. The protrusions are tightened by the telescopic parts, so that the rotating fixture is fixed, and the processing is more stable. The protrusions are loosened by the telescopic parts, so that the rotating fixture can be moved, which is convenient to take out the steel pipe and prevent jamming. Dead, the L-shaped clamping block is clamped to the edge to prevent the first fixing block from loosening due to force, and the steel pipe is pressed to the positioning groove by the second pressing mechanism to further prevent the steel pipe from shifting.

Description of drawings

FIG. 1 is a perspective view of the utility model.

Figure 2 is a front view of the utility model.

Figure 3 is a left side view of the utility model.

FIG. 4 is an enlarged schematic view of A in FIG. 3 .

Figure 5 is a right side view of the utility model.

FIG. 6 is an enlarged schematic view of B in FIG. 5 .

FIG. 7 is a schematic structural diagram of a rotary drive mechanism.

Figure 8 is a schematic diagram of the connection between the worm gear and the rotating shaft.

FIG. 9 is a schematic view of the structure of the rotating fixture.

FIG. 10 is a schematic structural diagram of the second pressing mechanism.

In the figure: 1. Frame; 2. Elbow assembly; 3. Rotary drive mechanism; 4. Rotary fixture; 5. Turn frame; 6. First pressing mechanism; 7. Elbow groove; .Locating slot; 10. Telescopic piece; 11. Bump; 12. Arc part; 13. Straight part; 14. First cylinder; 15. First fixing block; 16. First fixing slot; 17. Second pressing 18. The second cylinder; 19. The second fixing block; 20. The second fixing groove; 21. The edge part; 22. The avoidance groove; 26. Worm gear; 27. Worm; 28. Shaft; 29. Reinforcement frame; 30. Circular recess; 31. Disc; 32. Screw.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-10, the present invention provides a technical solution: a multi-station pipe bending device, comprising a frame 1, the top of the frame 1 is provided with an elbow assembly 2, and the bottom of the frame 1 is provided with a rotary drive mechanism 3. The elbow assembly 2 includes a rotating fixture 4, a turret 5 and a first pressing mechanism 6 that fixes the steel pipe on the rotating fixture 4. The rotary drive mechanism 3 is connected to the turret 5, and its output end is the same as the rotating fixture 4. The axis, the rotating fixture 4 is connected with the turret 5 through bearings, and there are several elbow grooves 7 on the outside thereof, one side of the elbow assembly 2 is provided with a fixed fixture 8, and one side of the fixed fixture 8 is provided with a curved pipe. There are positioning slots 9 with the same number of slots 7, a telescopic piece 10 is arranged on the turret 5, a bump 11 is arranged on the top of the rotating fixture 4, the output end of the telescopic piece 10 is movably attached to one side of the bump 11, and the rotating fixture 4 The circular arc part 12 and the linear part 13 of the block are connected, the linear part 13 is connected with the circular arc part 12 , and the convex block 11 is arranged on the upper side of the linear part 13 .

In order to facilitate the positioning of the steel pipe, in this embodiment, preferably, the first pressing mechanism 6 includes a first cylinder 14 and a first fixing block 15 connected to the first cylinder 14 , and the first fixing block 15 corresponds to the straight portion 13 , and its one side is provided with a first fixing groove 16 corresponding to the elbow groove 7, one side of the positioning groove 9 is provided with a second pressing mechanism 17, and the second pressing mechanism 17 includes a second cylinder 18 and a second pressing mechanism 18. The second fixing block 19 connected to the air cylinder 18 is provided with a second fixing groove 20 corresponding to the positioning groove 9 on one side of the second fixing block 19 , and the second air cylinder 18 is fixed on the frame 1 .

In order to conveniently fix the steel pipe on the rotating fixture 4 more firmly, and thus make the processing more stable, in this embodiment, preferably, the upper and lower sides of the straight portion 13 are provided with raised edge portions 21 . One side is provided with an escape groove 22, the upper and lower sides of the first fixing block 15 are provided with L-shaped clamping blocks 23, the first cylinder 14 is slidably connected with the turret 5, and the turret 5 is fixedly provided with a third cylinder 24. The outputs of the three cylinders 24 are connected to the first cylinder 14 .

In order to facilitate the disassembly and assembly of the device, in this embodiment, preferably, the output end of the first air cylinder 14 is connected with the first fixing block 15 by threads, and the output end of the second air cylinder 18 is connected with the second fixing block 19 by threads. The purpose is to facilitate the replacement of the first fixing block 15 and the second fixing block 19 .

In order to improve the smoothness of transmission, in this embodiment, preferably, the rotary drive mechanism 3 includes a motor 25, a worm wheel 26, a worm 27 and a rotating shaft 28. The output end of the motor 25 is connected with the worm 27 through a belt, and the worm 27 is meshed with the worm wheel 26. Connection, the worm gear 26 is fixedly connected with the rotating shaft 28, and the rotating shaft 28 is fixedly connected with the rotating frame 5.

In order to further improve the stability of transmission, in this embodiment, preferably, the rotating shaft 28 is connected with the frame 1 through a bearing, the bottom of the rotating shaft 28 is provided with a reinforcement frame 29, the reinforcement frame 29 is fixedly connected with the frame 1, and is connected to the frame 1 through the bearing. The shaft 28 is connected.

In order to facilitate the disassembly and assembly of the device, in this embodiment, preferably, the worm gear 26 is provided with a circular recess 30, the rotating shaft 28 is connected with a disc 31, and the disc 31 is embedded in the circular recess 30, and passes through the circular recess 30. The screw 32 is connected with the worm gear 26 to facilitate the assembly or disassembly between the worm gear 26 and the rotating shaft 28 .

In order to conveniently improve the stability of the structure, in this embodiment, preferably, four screws 32 are provided in an annular array, in order to make the connection between the worm gear 26 and the rotating shaft 28 more stable.

In order to further improve the stability of the transmission, in this embodiment, preferably, the worm 27 is horizontally arranged, and both ends of the worm 27 are connected to the frame 1 through bearings.

In order to facilitate the pressing of the protrusion 11, in this embodiment, preferably, the telescopic element 10 is an air cylinder.

The working principle and use process of the utility model: the steel pipe is horizontally placed on one side of the positioning groove 9 and the elbow groove 7, the second cylinder 18 is driven, and the second fixing block 19 is driven to press the steel pipe to the second fixing block 19. Between the groove 20 and the positioning groove 9, the first air cylinder 14 is driven, and the first fixing block 15 is driven to press the steel pipe between the first fixing groove 16 and the elbow groove 7, and the L-shaped blocking block 23 passes through to avoid slot 22, then drive the third cylinder 24, and drive the first cylinder 14 to move horizontally relative to the turret 5, so that the L-shaped block 23 slides and fits on the edge 21, thereby forming a clamping state, preventing the first fixing block 15 is loose due to the force. By driving the telescopic piece 10 to press the bump 11, the rotating fixture 4 is fixed, and it is more stable during processing, and then the motor 25 is driven to rotate, so that the motor 25 drives the worm 27 to rotate through the belt, and then passes through the worm wheel 26. The rotating shaft 28 is driven to rotate, and the rotating shaft 28 drives the turret 5 to rotate, so that the rotating fixture 4 and the first pressing mechanism 6 rotate between the steel pipes, and then the steel pipes are bent to improve production efficiency. The parts 10 release the bumps 11, so that the rotating fixture 4 can be moved, so that the steel pipe can be easily taken out and prevented from being stuck.

Finally, it should be noted that the above is only a preferred example of the present utility model, and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. A multi-station pipe bending device, comprising a frame (1), characterized in that: the top of the frame (1) is provided with an elbow assembly (2), and the bottom thereof is provided with a rotary drive mechanism (3). ), the elbow assembly (2) includes a rotating fixture (4), a turret (5) and a first pressing mechanism (6) for fixing the steel pipe on the rotating fixture (4), the rotating drive mechanism (3) ) is connected with the turret (5), and its output end is coaxial with the rotating fixture (4), the rotating fixture (4) is connected with the turret (5) through a bearing, and there are several elbow grooves on the outside thereof (7), one side of the elbow assembly (2) is provided with a fixing fixture (8), and one side of the fixing fixture (8) is provided with the same number of positioning grooves (9) as the elbow grooves (7). , the turret (5) is provided with a telescopic piece (10), the top of the rotating fixture (4) is provided with a bump (11), and the output end of the telescopic piece (10) is movably attached to the bump On one side of (11), the rotating fixture (4) includes a circular arc portion (12) and a linear portion (13), the linear portion (13) is connected with the circular arc portion (12), and the convex block ( 11) is arranged on the upper side of the straight part (13). 2 . The multi-station pipe bending device according to claim 1 , wherein the first pressing mechanism ( 6 ) comprises a first air cylinder ( 14 ) and a first fixing device connected to the first air cylinder ( 14 ). 3 . Block (15), the first fixing block (15) corresponds to the straight part (13), and a first fixing groove (16) corresponding to the elbow groove (7) is provided on one side of the first fixing block (15), and the positioning groove ( 9) A second pressing mechanism (17) is provided on one side, and the second pressing mechanism (17) includes a second air cylinder (18) and a second fixing block (19) connected to the second air cylinder (18). One side of the second fixing block (19) is provided with a second fixing groove (20) corresponding to the positioning groove (9), and the second air cylinder (18) is fixed on the frame (1). 3 . The multi-station pipe bending device according to claim 2 , wherein the upper and lower sides of the straight portion ( 13 ) are provided with raised edge portions ( 21 ), and the edge portion ( 21 ) An escape groove (22) is provided on one side of the first fixing block (15), and L-shaped clamping blocks (23) are provided on the upper and lower sides of the first fixing block (15), and the first cylinder (14) slides with the turret (5). connection, a third cylinder (24) is fixed on the turret (5), and the output end of the third cylinder (24) is connected with the first cylinder (14). 4. The multi-position pipe bending device according to claim 2, characterized in that: the output end of the first cylinder (14) is connected with the first fixing block (15) through threads, and the second cylinder (18) ) and the output end of the second fixing block (19) are screwed together. 5. The multi-station pipe bending device according to claim 1, characterized in that: the rotary drive mechanism (3) comprises a motor (25), a worm gear (26), a worm (27) and a rotating shaft (28), so The output end of the motor (25) is connected with the worm (27) through a belt, the worm (27) is meshed with the worm wheel (26), the worm wheel (26) is fixedly connected with the rotating shaft (28), and the rotating shaft (28) ) is fixedly connected to the turret (5). 6 . The multi-station pipe bending device according to claim 5 , wherein the rotating shaft ( 28 ) is connected with the frame ( 1 ) through bearings, and the bottom of the rotating shaft ( 28 ) is provided with a reinforcing frame ( 29 ). 7 . ), the reinforcing frame (29) is fixedly connected with the frame (1), and is connected with the rotating shaft (28) through a bearing. 7 . The multi-station pipe bending device according to claim 5 , wherein the worm gear ( 26 ) is provided with a circular recess ( 30 ), and the rotating shaft ( 28 ) is connected with a disc ( 31 ). 8 . , the disc (31) is embedded in the circular recess (30), and is connected with the worm gear (26) through a screw (32). 8 . The multi-station pipe bending device according to claim 7 , wherein four screws ( 32 ) are arranged in a circular array. 9 . 9 . The multi-station pipe bending device according to claim 5 , wherein the worm ( 27 ) is horizontally arranged, and both ends thereof are connected with the frame ( 1 ) through bearings. 10 . 10 . The multi-station pipe bending device according to claim 1 , wherein the telescopic element ( 10 ) is an air cylinder. 11 .

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