Pipe bending device

By combining clamping and pushing components, and using a bidirectional lead screw and servo motor drive, the problem of pipe swaying during bending is solved, achieving stable clamping and uniform feeding, thus improving the quality of pipe bending.

CN223588080UActive Publication Date: 2025-11-25FUJIAN KEHENG NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202423129643.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-25
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing pipe bending devices lack effective fixing components, causing the pipes to wobble during bending, resulting in uneven bending and the production of defective products.

Method used

The design employs a combination of clamping and pushing components, utilizing a bidirectional lead screw and servo motor drive to achieve automatic clamping and limiting of the pipe. Combined with the rotation of the bending component, it ensures stable conveying of the pipe during the bending process.

Benefits of technology

It achieves stable clamping and uniform feeding of the pipe during the bending process, avoiding pipe shaking and cracking at the bending point, and improving the quality of pipe bending.

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Abstract

The utility model discloses a pipe bending device, and relates to the field of pipe bending devices, the pipe bending device comprises a case, a bending part, a clamping assembly and a pushing assembly, the clamping assembly comprises a fixed base, a bidirectional lead screw, a threaded sleeve, a movable block, an L-shaped connecting rod, a connecting pipe, a threaded rod, a limiting block and a clamping block, and the pushing assembly comprises a rack, a gear, a rotating shaft, a connecting block, a pushing disc and a limiting column. The two-way lead screw is rotated, so that the two threaded sleeves drive the moving blocks to move oppositely, the clamping blocks are driven to clamp a pipe, the threaded rods are rotated to drive the limiting blocks to move downwards, finally, limiting clamping of the pipe is achieved, and the servo motor drives the gear to rotate through the rotating shaft. The rack and the gear are matched to enable the servo motor to move, and the servo motor drives the connecting block to move through the rotating shaft in the moving process, so that the pipes are driven to move out of the feeding channel through the pushing disc, and uniform feeding is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipe bending device technical field, especially a pipe bending device of pipe material. BACKGROUND

[0002] Pipe material is the material necessary for building engineering, and the commonly used ones include water supply pipes, drainage pipes, gas pipes, heating pipes, wire conduits and rainwater pipes. With the development of science and technology, the pipe material used in home decoration has experienced a development process from ordinary cast iron pipes to plastic pipes and aluminum-plastic composite pipes.

[0003] Pipe bending device, pipe bending is the process of bending pipe material into a specific shape and angle, and is widely used in petroleum, chemical industry, shipbuilding, construction, aerospace, automobile and other industries. By inserting the straight pipe material into the bending position in the pipe bending device, the pipe material is bent by rotating the bending part, and finally a pipe with a certain angle is obtained.

[0004] In the existing pipe bending process, the pipe material needs to be manually held by hand, but during the bending process, the pipe material will shake due to the rotation of the bending part, and the existing pipe bending device lacks a pipe material fixing part, which can only be manually held by hand, which can easily cause uneven bending and produce defective products. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] In view of the problems existing in the prior art, the utility model provides a pipe bending device for pipe material.

[0007] (II) Technical scheme

[0008] In order to achieve the above purpose, the utility model is realized by the following technical scheme: a pipe bending device for pipe material, comprising a case, a bending part is arranged on the upper surface of the case, a clamping assembly is arranged on the surface of the case, and a pushing assembly is arranged in the case;

[0009] The clamping assembly comprises a fixed base fixedly connected to the upper surface of the case, a bidirectional screw rod is arranged in the fixed base, two threaded sleeves are threadedly connected to the outer surface of the bidirectional screw rod, a moving block is fixedly connected to the outer surface of the threaded sleeve, an L-shaped connecting rod is fixedly connected to the outer surface of the moving block, a connecting pipe is movably connected to the outer surface of the L-shaped connecting rod, a threaded rod is threadedly connected to the inside of the connecting pipe, a limit block is movably connected to the bottom end of the threaded rod, and a clamping block is fixedly connected to the outer surface of the moving block.

[0010] The push assembly comprises a rack fixedly connected inside a case, a gear connected with the outer surface of the rack, a rotating shaft provided inside the gear, a connecting block movably connected to one end of the rotating shaft through a bearing seat, a push disc fixedly connected to the outer surface of the connecting block, and a limiting column fixedly connected to the side of the push disc away from the connecting block.

[0011] As a preferred scheme of the pipe bending device, the inside of the case is provided with a power component for driving the rotation of the bending component.

[0012] As a preferred scheme of the pipe bending device, the inside of the connecting pipe is provided with a bushing matched with the L-shaped connecting rod, and one end of the L-shaped connecting rod is slidably arranged in the bushing.

[0013] As a preferred scheme of the pipe bending device, the upper surface of the limiting block is fixedly connected with four limiting rods, and the limiting rods are arranged in the inside of the connecting pipe.

[0014] As a preferred scheme of the pipe bending device, the inside of the case is provided with a sliding rail, the outer surface of the sliding rail is slidably connected with a sliding block, the outer surface of the sliding block is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with the end of the rotating shaft away from the connecting block.

[0015] As a preferred scheme of the pipe bending device, the inside of the case is provided with a slope for feeding the push assembly, the inner wall of the case is fixedly connected with a blocking plate, and the inside of the case is fixedly connected with a feeding channel.

[0016] (Three) beneficial effects

[0017] The pipe bending device has the following beneficial effects:

[0018] 1. By rotating the bidirectional screw rod, the moving blocks are driven to move towards each other through the two threaded sleeves, the clamping blocks are driven to clamp the pipe, the limiting blocks are driven to move downwards through the threaded rods, and the bent pipe is clamped and limited, so that the pipe is not manually held and the bending defect caused by the shaking of the pipe is avoided.

[0019] 2, by servo motor drive rotating shaft rotation, rotating shaft drive gear rotation, thereby through the rack and pinion cooperation makes the servo motor through the slider on the slide rail moves, servo motor moves in the process then makes rotating shaft drive connecting block moves, through the limiting column on the placement in the feeding way pipe material limiting, through the push disc drive pipe material moves out the feeding way, thereby into the clamping assembly and bending part in the bending, thereby realize uniform feeding, avoid pipe material bending process feeding speed uneven lead to crack in the bending part. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiment of the present application, the following will be a brief description of the drawings needed to be used in the embodiment of the present application, obviously, the following description of the drawings is only some embodiments of the present application, for those skilled in the art, without creative labor, according to these drawings, other drawings can also be obtained.

[0021] Figure 1 is the overall structure of the present application schematic diagram.

[0022] Figure 2 is the structure of the present application clamping assembly schematic diagram.

[0023] Figure 3 is the structure of the present application bidirectional screw schematic diagram.

[0024] Figure 4 is the structure of the present application limiting block schematic diagram.

[0025] Figure 5 is the structure of the present application barrier schematic diagram.

[0026] Figure 6 is the structure of the present application push assembly schematic diagram.

[0027] In the figure, 1, case; 2, bending part; 3, clamping assembly; 301, fixed base; 302, clamping block; 303, L type connecting rod; 304, connecting pipe; 305, moving block; 306, bidirectional screw; 307, threaded sleeve; 308, limiting rod; 309, limiting block; 310, threaded rod; 4, barrier; 5, push assembly; 501, connecting block; 502, rotating shaft; 503, gear; 504, slider; 505, servo motor; 506, feeding way; 507, rack; 508, limiting column; 509, push disc; 510, slide rail. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiment of the present application will be described clearly and completely below in combination with the drawings of the embodiment of the present application.

[0029] Embodiment 1

[0030] With reference to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the first embodiment of the utility model provides a pipe bending device, including case 1, the upper surface of case 1 is provided with bending component 2, the surface of case 1 is provided with clamping assembly 3, the inside of case 1 is provided with push assembly 5, clamping assembly 3 includes fixed base 301 fixedly connected on the upper surface of case 1, the inside of fixed base 301 is provided with bidirectional screw rod 306, the outer surface of bidirectional screw rod 306 is threadedly connected with two threaded sleeves 307, the outer surface of threaded sleeve 307 is fixedly connected with moving block 305, the outer surface of moving block 305 is fixedly connected with L-shaped connecting rod 303, the outer surface of L-shaped connecting rod 303 is movably connected with connecting pipe 304, the inside of connecting pipe 304 is threadedly connected with threaded rod 310, the bottom end of threaded rod 310 is movably connected with limit block 309, the outer surface of moving block 305 is fixedly connected with clamping block 302.

[0031] Specifically, the inside of case 1 is provided with power component for driving the rotation of bending component 2, the power component and bending component 2 belong to prior art, and will not be described in detail here, the inside of connecting pipe 304 is provided with insertion hole matched with L-shaped connecting rod 303, one end of L-shaped connecting rod 303 slides in the insertion hole, the upper surface of limit block 309 is fixedly connected with four limit rods 308, and limit rods 308 are arranged in the inside of connecting pipe 304.

[0032] Further, by rotating bidirectional screw rod 306, two threaded sleeves 307 drive moving block 305 to move towards each other, so as to drive clamping block 302 to clamp the pipe, and by rotating threaded rod 310, limit block 309 is driven to move downwards, so as to limit the pipe, when limit block 309 moves downwards, limit rods 308 are driven to move in connecting pipe 304, so as to avoid the rotation of limit block 309, clamping block 302 and limit block 309 can limit the pipe, avoid the shaking of the pipe, and clamping block 302 can enable the pipe to slide in clamping assembly 3 while being limited, so as to realize the feeding when bending component 2 bends the pipe, bending component 2 is rotated and bent by the power component arranged in the inside of case 1, the connection relationship between bending component 2 and the power component and other components, working principle and working process belong to the common knowledge of those skilled in the art, and will not be described in detail here.

[0033] Embodiment 2

[0034] With reference to Figure 1 , Figure 5 andFigure 6 For the second embodiment of the utility model, this embodiment is based on the previous embodiment, the push assembly 5 includes the rack 507 fixedly connected inside the case 1, the outer surface of the rack 507 is engagedly connected with the gear 503, the inside of the gear 503 is provided with the rotating shaft 502, one end of the rotating shaft 502 is movably connected with the connecting block 501 through the bearing seat, the outer surface of the connecting block 501 is fixedly connected with the push disc 509, the side away from the connecting block 501 of the push disc 509 is fixedly connected with the limiting column 508.

[0035] Specifically, the inside of the case 1 is provided with the slide rail 510, the outer surface of the slide rail 510 is slidably connected with the sliding block 504, the outer surface of the sliding block 504 is fixedly connected with the servo motor 505, the output end of the servo motor 505 is fixedly connected with the end of the rotating shaft 502 away from the connecting block 501, the inside of the case 1 is provided with the inclined plane for feeding the push assembly 5, the inner wall of the case 1 is fixedly connected with the blocking plate 4, the inside of the case 1 is fixedly connected with the feeding channel 506.

[0036] Further, the servo motor 505 drives the gear 503 to rotate through the rotating shaft 502, moves the servo motor 505 through the cooperation of the gear 503 and the rack 507, the servo motor 505 moves on the slide rail 510 through the sliding block 504, in the process of moving, the servo motor 505 drives the connecting block 501 to move through the rotating shaft 502, the moving block 305 drives the push disc 509 to feed the pipe material in the feeding channel 506 into the clamping assembly 3, the height of the bottom end of the feeding channel 506 is same with the height of the clamping assembly 3, the inside of the case 1 is provided with the inclined plane for feeding, and the inner wall of the case 1 is fixedly connected with the blocking plate 4, by putting the pipe material on the blocking plate 4 in turn, the pipe material finally falls into the feeding channel 506 along with the sliding on the surface of the blocking plate 4 and the inclined plane.

[0037] Working principle: when the pipe is bent, the pipe to be bent is placed in the blocking plate 4, and finally falls into the feeding channel 506 through the blocking plate 4 and the slope inside the machine box 1, then start the servo motor 505, the servo motor 505 drives the gear 503 to rotate through the rotating shaft 502, and drives the servo motor 505 to move through the cooperation of the gear 503 and the rack 507, the servo motor 505 moves on the slide rail 510 through the sliding block 504, in the process of moving, the servo motor 505 drives the connecting block 501 to move through the rotating shaft 502, the moving block 305 drives the push plate 509 to send the pipe in the feeding channel 506 into the clamping assembly 3, when one end of the pipe enters the clamping assembly 3, the servo motor 505 is temporarily stopped, the two threaded sleeves 307 are driven to move towards each other through the rotating double screw rod 306, so as to drive the clamping block 302 to clamp the pipe, and the limiting block 309 is driven to move downwards through the rotating threaded rod 310, so as to realize the limiting of the pipe, when the limiting block 309 moves downwards, the limiting rod 308 moves in the connecting pipe 304, so as to avoid the rotation of the limiting block 309, the clamping block 302 and the limiting block 309 can limit the pipe to avoid shaking, after the pipe is clamped by the clamping assembly 3, the servo motor 505 is started again, so as to drive the pipe to continue to output, until one end of the pipe reaches the position of the bending component 2, then the bending component 2 is driven to rotate through the power component inside the machine box 1, so as to drive the pipe to bend, in the process of bending, the servo motor 505 drives the pipe to output at a constant speed, so as to realize uniform feeding and avoid cracks in the bending part of the pipe, finally realize the bending treatment of the pipe.

[0038] It should be noted that in this text, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations.

Claims

1. A pipe bending apparatus of a pipe material, comprising a cabinet (1), characterized in that: The upper surface of the cabinet (1) is provided with a bending component (2), the surface of the cabinet (1) is provided with a clamping assembly (3), and the inside of the cabinet (1) is provided with a pushing assembly (5); The clamping assembly (3) comprises a fixed base (301) fixedly connected to the upper surface of the cabinet (1), a bidirectional screw rod (306) penetratingly arranged in the fixed base (301), two threaded sleeves (307) threadedly connected to the outer surface of the bidirectional screw rod (306), a moving block (305) fixedly connected to the outer surface of the threaded sleeve (307), an L-shaped connecting rod (303) fixedly connected to the outer surface of the moving block (305), a connecting pipe (304) movably connected to the outer surface of the L-shaped connecting rod (303), a threaded rod (310) threadedly connected to the inside of the connecting pipe (304), a limiting block (309) movably connected to the bottom end of the threaded rod (310), and a clamping block (302) fixedly connected to the outer surface of the moving block (305). The pushing assembly (5) comprises a rack (507) fixedly connected to the inside of the cabinet (1), a gear (503) meshingly connected to the outer surface of the rack (507), a rotating shaft (502) penetratingly arranged in the inside of the gear (503), a connecting block (501) movably connected to one end of the rotating shaft (502) through a bearing seat, a pushing disc (509) fixedly connected to the outer surface of the connecting block (501), and a limiting column (508) fixedly connected to the side, away from the connecting block (501), of the pushing disc (509).

2. A pipe bending apparatus according to claim 1, wherein: The inside of the cabinet (1) is provided with a power component for driving the rotation of the bending component (2), and the power component and the bending component (2) belong to the prior art and will not be described in detail here.

3. A pipe bending apparatus according to claim 2, wherein: The inside of the connecting pipe (304) is provided with a jack that matches the L-shaped connecting rod (303), and one end of the L-shaped connecting rod (303) slides in the jack.

4. A pipe bending apparatus according to claim 3, wherein: The upper surface of the limiting block (309) is fixedly connected with four limiting rods (308), and the limiting rods (308) penetrate into the inside of the connecting pipe (304).

5. A pipe bending apparatus according to claim 4, wherein: The inside of the cabinet (1) is provided with a sliding rail (510), the outer surface of the sliding rail (510) is slidably connected with a sliding block (504), the outer surface of the sliding block (504) is fixedly connected with a servo motor (505), and the output end of the servo motor (505) is fixedly connected with one end of the rotating shaft (502), away from the connecting block (501).

6. A pipe bending apparatus according to claim 5, wherein: The inside of the cabinet (1) is provided with an inclined surface for feeding the pushing assembly (5), the inner wall of the cabinet (1) is fixedly connected with a blocking plate (4), and the inside of the cabinet (1) is fixedly connected with a feeding channel (506).