U-shaped pipe bending device

Abstract

The utility model discloses a U-shaped pipe bending device which comprises a base, a sliding groove is formed in the base, a first driving rod is rotationally installed in the sliding groove, one end of the first driving rod is rotationally installed in the sliding groove of the base, and the other end of the first driving rod penetrates through the base and is fixedly connected to an output shaft of a first driving motor. Two pushing assemblies in sliding connection with the base are symmetrically arranged on the first driving rod, and a supporting assembly is fixedly mounted on the base on the opposite sides of the two pushing assemblies; a supporting frame is fixedly installed on the top of the base, a telescopic cylinder is fixedly installed in the middle of the top of the supporting frame and penetrates through the supporting frame, and an adjusting pressurizing assembly is fixedly connected to the bottom of the telescopic cylinder. The U-shaped pipe bending device solves the problems that existing equipment cannot meet the requirement for bending machining of pipe fittings of different sizes, use limitation is large, the structure is complex, and use flexibility is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to U type pipe processing technical field especially relates to a U type pipe bending device. BACKGROUND

[0002] In prior art, the utility model with publication number CN210023366U discloses a U-shaped pipe bending machine, which comprises two sets of bending devices, the two sets of bending devices are symmetrically placed on the base below, each set of bending device comprises a base plate, a stand column arranged on the base plate and a driving mechanism for bending the hollow pipe, a vertical plate is fixed on one side of the base plate, the stand column is arranged on the side close to the vertical plate, the base is a square frame, comprising two long rods arranged side by side and a short rod connected between the two long rods, a track is formed on the upper surface of the long rod along the length direction, four rollers are respectively installed at the four corners of the lower surface of the base plate, the bending device is slidably arranged on the track through the rollers and can be fixed through the locking assembly. However, the U-shaped pipe bending machine in the patent technical scheme can adjust the size of the hollow pipe to be processed by changing the relative position of the two bending devices, but the structure can only be used for storage and support, and the assistance of other structures is still needed in the bending process, and the structure is used after fixing the two bending devices after adjustment, so the flexibility of use is low. The applicant has long been engaged in the processing and manufacturing of pipe fittings, and finds that the existing equipment has great use limitations and cannot better meet the bending processing of pipe fittings of different sizes.

[0003] Therefore, it is necessary to develop a U-shaped pipe bending device aiming at the above-mentioned defects. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a U-shaped pipe bending device, which can solve the problems of the existing equipment that cannot meet the bending processing of pipe fittings of different sizes, great use limitations, complex structure and low flexibility of use.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The utility model relates to a kind of U-shaped pipe bending device, including base, sliding groove is equipped on the base, first drive rod is rotatably installed in the sliding groove, one end of the first drive rod is rotatably installed in the sliding groove of the base, and the other end penetrates the base and is fixedly connected on the output shaft of first drive motor;Two pusher assemblies that are symmetrically equipped on the first drive rod are slidably connected with the base, and support assembly is fixedly installed on the base on the side opposite to the two pusher assemblies;Support frame is fixedly installed on the top of the base, telescopic cylinder is fixedly installed in the middle of the top of the support frame, the telescopic cylinder is arranged through the support frame, adjusting pressurizing assembly is fixedly connected at the bottom of the telescopic cylinder, the adjusting pressurizing assembly is used to limit and press down forming according to requirement to the pipe to be bent, the pipe to be bent is arranged through the support assembly, the pusher assembly and the adjusting pressurizing assembly.

[0007] Further, the adjusting pressurizing assembly includes a fixed seat fixed to the bottom of the telescopic cylinder, both ends of the fixed seat are rotatably connected with an adjusting rod, one end of the adjusting rod away from the fixed seat is fixedly connected with a first limiting wheel, a limiting seat is slidably connected on the first limiting wheel, a limiting bolt is threadedly connected on the limiting seat, the limiting bolt is arranged through the limiting seat, a supporting plate is provided on one end of the limiting bolt close to the adjusting rod, and the pipe to be bent is fixed between the first limiting wheel and the supporting plate;The included angle between the adjusting rod and the two fixed seats is controlled by an adjuster.

[0008] Further, the adjuster includes a second drive motor fixed to the bottom of the fixed seat, a second drive rod is fixedly connected on the output shaft of the bottom of the second drive motor, a lifting block is threadedly connected on the second drive rod, both ends of the lifting block are rotatably connected with a support rod corresponding to the adjusting rod, one end of the support rod away from the lifting block is rotatably connected with the adjusting rod, and the hinge point of the support rod and the adjusting rod is located between the fixed seat and the first limiting wheel;The second drive rod is fixedly connected with a limiting block at one end away from the second drive motor.

[0009] Further, a first limiting groove is provided on the first limiting wheel in the circumferential direction, circular adjusting sliding grooves are provided on both sides of the first limiting groove, and the adjusting sliding grooves and the first limiting groove are coaxial with the first limiting wheel;The limiting seat is slidably installed in the first limiting groove, limiting columns corresponding to the adjusting sliding grooves are provided on both sides of the limiting seat, and a stop block is installed on one end of the limiting column away from the limiting seat and penetrating the adjusting sliding groove.

[0010] Furthermore, the pushing component includes a sliding block threadedly connected to the first driving rod. The sliding block is disposed in the sliding groove and adapted to the sliding groove. A column is fixedly installed on the top of the sliding block. A second limiting wheel is rotatably installed on the top of the column. A second limiting groove is provided on the second limiting wheel along the circumferential direction. The pipe to be bent is disposed in the second limiting groove.

[0011] Furthermore, the support assembly includes a fixed column fixed to the top of the base, and a third limiting wheel is rotatably mounted on the top of the fixed column. The structure of the third limiting wheel is the same as that of the second limiting wheel. The rotation axes of the two third limiting wheels and the two second limiting wheels are parallel and collinear. The first drive rod is a threaded rod with opposite directions of rotation at both ends.

[0012] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0013] This utility model discloses a U-shaped pipe bending device. By adjusting the setting of the pressure component, the device can press down and bend the pipe to be bent according to the required specifications and dimensions. The pipe is then bent into place by pushing the components on both sides, requiring no manual intervention and ensuring worker safety during the bending process. The sliding setting of the pushing component makes the bending process more flexible, and the pushing action of the component ensures better bending results. The device features an adjusting rod, a first limit wheel, and an adjuster, which can automatically adjust the size of the pipe, minimizing limitations in its application. The device has a simple structure, is convenient to operate, and is flexible in use. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings.

[0015] Figure 1 This is a side view of the U-shaped tube bending device of this utility model.

[0016] Figure 2 For along Figure 1 Cross-sectional view of line AA in the middle;

[0017] Figure 3 for Figure 2 Enlarged structural diagram at point B;

[0018] Figure 4 for Figure 2 Enlarged structural diagram at point C;

[0019] Figure 5 for Figure 2 Enlarged structural diagram at point D;

[0020] Figure 6 This is a side view of the first limiting wheel portion of the present invention.

[0021] Explanation of reference signs: 1, base; 2, first driving rod; 3, first driving motor; 4, pushing assembly; 5, supporting assembly; 6, adjusting and pressing assembly; 7, telescopic cylinder; 8, supporting frame; 9, pipe to be bent; 11, sliding groove; 41, sliding block; 42, stand column; 43, second limiting wheel; 51, fixed column; 52, third limiting wheel; 61, fixed seat; 62, adjusting rod; 63, first limiting wheel; 64, limiting seat; 65, limiting bolt; 66, supporting plate; 67, adjuster; 431, second limiting groove; 631, first limiting groove; 632, adjusting sliding groove; 641, limiting column; 671, second driving motor; 672, second driving rod; 673, lifting block; 674, supporting rod. DETAILED DESCRIPTION

[0022] The core of the utility model provides a U type pipe bending device, can solve the problem that the prior art cannot meet the bending processing of pipe fittings of different sizes, has great use limitation, complex structure and low use flexibility.

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] Please refer to Figures 1 to 6A specific embodiment of the U-shaped pipe bending device is provided in the utility model. The U-shaped pipe bending device comprises a base 1, the base 1 is provided with a sliding groove 11, a first driving rod 2 is rotatably installed in the sliding groove 11, one end of the first driving rod 2 is rotatably installed in the sliding groove 11 of the base 1, the other end penetrates through the base 1 and is fixedly connected to the output shaft of a first driving motor 3, two push assemblies 4 which are symmetrically arranged on the first driving rod 2 are slidingly connected with the base 1, a supporting assembly 5 is fixedly installed on the base 1 on the side opposite to the two push assemblies 4, a supporting frame 8 is fixedly installed on the top of the base 1, a telescopic cylinder 7 is fixedly installed at the middle of the top of the supporting frame 8, the telescopic cylinder 7 penetrates through the supporting frame 8, an adjusting and pressurizing assembly 6 is fixedly connected to the bottom of the telescopic cylinder 7, the adjusting and pressurizing assembly 6 is used for limiting and pressing the pipe to be bent 9 into a required shape, and the pipe to be bent 9 penetrates through the supporting assembly 5, the push assembly 4 and the adjusting and pressurizing assembly 6.

[0026] For the convenience of description, please refer to Figure 1 and Figure 2 A rectangular coordinate system is established, taking any point in space as the origin, taking the setting direction of the supporting frame 8 relative to the base 1 as the Z axis, taking the setting direction of the supporting assembly 5 relative to the push assembly 4 as the X axis, and taking the direction of a straight line perpendicular to the X axis and the Z axis as the Y axis, wherein the XY plane is a horizontal plane, the direction indicated on the horizontal plane is a horizontal direction, and the direction indicated by the Z axis is a vertical direction.

[0027] In the embodiment, the first driving rod 2 is a threaded rod with opposite rotation directions at two ends, and the first driving rod 2 drives the two push assemblies 4 to move simultaneously and oppositely or oppositely.

[0028] In a specific embodiment of the utility model, the adjusting and pressurizing assembly 6 comprises a fixed seat 61 fixed to the bottom of the telescopic cylinder 7, the two ends of the fixed seat 61 are rotatably connected with adjusting rods 62, one end of the adjusting rod 62 away from the fixed seat 61 is fixedly connected with a first limiting wheel 63, the first limiting wheel 63 is slidingly connected with a limiting seat 64, the limiting seat 64 is threadedly connected with a limiting bolt 65, the limiting bolt 65 penetrates through the limiting seat 64, the end of the limiting bolt 65 close to the adjusting rod 62 is provided with a supporting plate 66, and the pipe to be bent 9 is fixed between the first limiting wheel 63 and the supporting plate 66; the included angles between the adjusting rod 62 and the two fixed seats 61 are controlled by an adjuster 67.

[0029] In a specific embodiment of the utility model, the adjuster 67 includes the second drive motor 671 fixed on the bottom of the fixed seat 61, the second drive rod 672 is fixedly connected on the output shaft of the bottom of the second drive motor 671, the second drive rod 672 is screw-connected with the lifting block 673, the both ends of the lifting block 673 are rotatably connected with the support rod 674 corresponding to the adjusting rod 62, the end of the support rod 674 away from the lifting block 673 is rotatably connected with the corresponding adjusting rod 62, and the hinge point of the support rod 674 and the adjusting rod 62 is located between the fixed seat 61 and the first limiting wheel 63.

[0030] In the embodiment, the first limiting wheel 63 is provided with the first limiting slot 631 along the circumference, the both side walls of the first limiting slot 631 are provided with the annular adjusting sliding groove 632, the adjusting sliding groove 632 and the first limiting slot 631 are coaxial with the first limiting wheel 63, the limiting seat 64 is slidably installed in the first limiting slot 631, the both sides of the limiting seat 64 are provided with the limiting column 641 corresponding to the adjusting sliding groove 632, and the end of the limiting column 641 away from the limiting seat 64 is provided with the stopper block.

[0031] In a specific embodiment of the utility model, the pushing assembly 4 includes the sliding block 41 screw-connected on the first drive rod 2, the sliding block 41 is arranged in the sliding groove 11 and is matched with the sliding groove 11, the top of the sliding block 41 is fixedly installed with the stand column 42, the top of the stand column 42 is rotatably installed with the second limiting wheel 43, the second limiting wheel 43 is provided with the second limiting slot 431 along the circumference, and the to-be-bent pipe fitting 9 is arranged in the second limiting slot 431.

[0032] In the embodiment, the supporting assembly 5 includes the fixed column 51 fixed on the top of the base 1, the top of the fixed column 51 is rotatably installed with the third limiting wheel 52, the structure of the third limiting wheel 52 is same with that of the second limiting wheel 43, and the rotating shafts of the two third limiting wheels 52 and the two second limiting wheels 43 are parallel and collinear.

[0033] Compared with the prior art, the U-shaped pipe bending device can press and bend the pipe to be bent 9 according to the required size, and bend the pipe to be bent 9 in place through the pushing of the two side pushing assemblies 4 without human intervention, so as to ensure the safety of workers during the bending process. Through the sliding setting of the pushing assembly 4, the bending process is more flexible, and the bending effect can be better guaranteed through the pushing of the pushing assembly 4. Through the setting of the adjusting rod 62, the first limiting wheel 63 and the adjuster 67, the size of the pipe can be automatically adjusted, and the use limitation is small. The device has the advantages of simple structure, convenient operation, flexible use and better bending effect.

[0034] The working process of the U-shaped pipe bending device is as follows: according to the size of the pipe to be bent 9, the first drive motor 3 is started to drive the first drive rod 2 to rotate, and the first drive rod 2 drives the two pushing assemblies 4 to move relatively or oppositely to adjust to the position matched with the pipe. At the same time, the second drive motor 671 is started to drive the second drive rod 672 to rotate, the height of the lifting block 673 is adjusted, and the lifting block 673 drives the two supporting rods 674 to push the two adjusting rods 62 to expand or contract to the required interval. After the adjustment is completed, the telescopic cylinder 7 is started to control the height of the adjusting and pressing assembly 6 as a whole, so that the top of the second limiting wheel 43 and the top plate 66 are at the same height. The pipe to be bent 9 is sequentially inserted through the third limiting wheel 52, the second limiting wheel 43, the first limiting wheel 63 on one side, the first limiting wheel 63, the second limiting wheel 43 and the third limiting wheel 52 on the other side. After the pipe to be bent 9 is moved in place, the positions of the two limiting bolts 65 are adjusted, so that the top plate 66 fixes the pipe on the first limiting wheel 63. After the pipe is pressed and bent in place by starting the telescopic cylinder 7, the first drive motor 3 drives the first drive rod 2 to rotate, so that the two pushing assemblies 4 move relatively to bend the pipe on both sides in place.

[0035] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts of each embodiment can be referred to each other. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0036] The above-described embodiments only describe the preferred modes of the utility model, and do not limit the scope of the utility model. Without departing from the design spirit of the utility model, various modifications and improvements of the technical solutions of the utility model made by those skilled in the art shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A U-bend bending device, characterized by: The utility model provides a pipe bending device, including base (1), be equipped with sliding slot (11) on base (1), first drive rod (2) is rotatably installed in sliding slot (11), one end of first drive rod (2) is rotatably installed in the sliding slot (11) of base (1), and the other end penetrates base (1) and is fixedly connected on the output shaft of first drive motor (3), two push assembly (4) of symmetry are equipped with on first drive rod (2) and base (1) sliding connection, and the base (1) of two push assembly (4) opposite side fixed mounting has support assembly (5), the top of base (1) is fixedly installed with support frame (8), the middle of support frame (8) top is fixedly installed with telescopic cylinder (7), and telescopic cylinder (7) penetrates support frame (8) and is arranged, and the bottom of telescopic cylinder (7) is fixedly connected with adjusting pressurizing assembly (6), and adjusting pressurizing assembly (6) is used for limiting and pressing into shape according to demand to the pipe to be bent (9), and the pipe to be bent (9) penetrates support assembly (5), push assembly (4) and adjusting pressurizing assembly (6) and is arranged.

2. The U-bend device of claim 1, wherein: The adjusting pressurizing assembly (6) includes a fixed seat (61) fixed to the bottom of the telescopic cylinder (7), both ends of the fixed seat (61) are rotatably connected with an adjusting rod (62), one end of the adjusting rod (62) away from the fixed seat (61) is fixedly connected with a first limiting wheel (63), the first limiting wheel (63) is slidably connected with a limiting seat (64), the limiting seat (64) is threadedly connected with a limiting bolt (65), the limiting bolt (65) penetrates the limiting seat (64) and is arranged, one end of the limiting bolt (65) close to the adjusting rod (62) is provided with a supporting plate (66), and the pipe to be bent (9) is fixed between the first limiting wheel (63) and the supporting plate (66); the included angle between the adjusting rod (62) and the two fixed seats (61) is controlled by an adjuster (67).

3. The U-bend device of claim 2, wherein: The adjuster (67) includes a second drive motor (671) fixed to the bottom of the fixed seat (61), a second drive rod (672) is fixedly connected to the output shaft on the bottom of the second drive motor (671), a lifting block (673) is threadedly connected to the second drive rod (672), a supporting rod (674) corresponding to the adjusting rod (62) is rotatably connected to both ends of the lifting block (673), one end of the supporting rod (674) away from the lifting block (673) is rotatably connected to the corresponding adjusting rod (62), and the hinge point of the supporting rod (674) and the adjusting rod (62) is located between the fixed seat (61) and the first limiting wheel (63); one end of the second drive rod (672) away from the second drive motor (671) is fixedly connected with a limiting block.

4. The U-bend device of claim 2, wherein: The first limiting wheel (63) is provided with a first limiting groove (631) in the circumferential direction, the two side walls of the first limiting groove (631) are provided with a circular adjusting sliding groove (632), the adjusting sliding groove (632) and the first limiting groove (631) are coaxial with the first limiting wheel (63); the limiting seat (64) is slidingly installed in the first limiting groove (631), the limiting seat (64) is provided with a limiting column (641) corresponding to the adjusting sliding groove (632) on both sides, and the limiting column (641) is provided with a stop block penetrating through the adjusting sliding groove (632) and away from the limiting seat (64).

5. The U-bend bending device according to any one of claims 1-4, characterized in that: The pushing assembly (4) comprises a sliding block (41) which is threadedly connected to the first driving rod (2), the sliding block (41) is arranged in the sliding groove (11) and is matched with the sliding groove (11), a stand column (42) is fixedly installed on the top of the sliding block (41), a second limiting wheel (43) is rotatably installed on the top of the stand column (42), the second limiting wheel (43) is provided with a second limiting groove (431) in the circumferential direction, and the pipe to be bent (9) is arranged in the second limiting groove (431).

6. The U-bend bending device of claim 5, wherein: The supporting assembly (5) comprises a fixed column (51) which is fixed to the top of the base (1), a third limiting wheel (52) is rotatably installed on the top of the fixed column (51), the structure of the third limiting wheel (52) is the same as that of the second limiting wheel (43), the rotation axes of the two third limiting wheels (52) and the two second limiting wheels (43) are parallel and collinear, and the first driving rod (2) is a threaded rod with opposite rotation directions at two ends.

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