CN215941113U

CN215941113U - Steel pipe straightener

Info

Publication number: CN215941113U
Application number: CN202122669187.2U
Authority: CN
Inventors: 陈会昊
Original assignee: Shandong Dashan Stainless Steel Products Co ltd
Current assignee: Shandong Dashan Stainless Steel Products Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-04
Anticipated expiration: 2031-11-03

Abstract

The utility model relates to a steel pipe straightener, which comprises a base, wherein two propellers are arranged on the base at intervals, the base is rotatably provided with a straightener for adjusting the straightness of a steel pipe, the straightener is positioned between the two propellers, slide rods are slidably arranged in the propellers, at least two slide rods are arranged on the slide rods, the two slide rods are vertically spaced, the slide rods are rotatably provided with propulsion wheels, the two propulsion wheels vertically correspond to each other, a distance adjusting mechanism for driving the two slide rods to mutually approach or separate from each other is arranged in the propellers, the distance adjusting mechanism comprises nuts arranged on the slide rods, a first lead screw is rotatably arranged on the propellers and extends vertically, the first lead screw is provided with two sections of threads with opposite rotating directions, the two sections of threads are vertically spaced, the first lead screw penetrates through the two nuts, the two sections of threads are respectively matched with the threads of the two nuts, and the steel pipe straightener can enable the upper and the lower two propulsion wheels to simultaneously approach or simultaneously separate from each other, the centre gripping center of propeller is convenient for control, guarantees the straightness of steel pipe in the propeller.

Description

Steel pipe straightener

Technical Field

The utility model relates to the field of machining equipment, in particular to a steel pipe straightener.

Background

In the production process, the stainless steel pipe often has a bending phenomenon, which affects the product quality, and therefore, the bent steel pipe needs to be straightened.

The steel pipe straightener is equipment for straightening a bent steel pipe, and the most important structure of the steel pipe straightener comprises a propeller and a straightener, wherein at least two propelling wheels are arranged on the propeller and correspond to each other up and down; the straightener comprises a supporting frame, a plurality of straightening wheels are installed in the supporting frame, the straightening wheels correspond to each other up and down, the bent steel pipe penetrates through the straightener, and the straightening wheels are pressed against the steel pipe to straighten the steel pipe.

The existing steel pipe straightener has the defects that when steel pipes with different pipe diameters face to each other, the upper and lower heights of a propulsion wheel in a propeller need to be adjusted, however, when a plurality of propulsion wheels are installed in the propulsion wheel, the upper and lower heights of the propulsion wheel are inconvenient to control, the consistency of the clamping centers of a plurality of groups of propulsion wheels cannot be guaranteed, the straightness of the steel pipes in the propeller is further influenced, the equipment operation is influenced, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steel pipe straightener which aims at solving the problems that the upper and lower heights of a propulsion wheel are convenient to control and the straightness of a steel pipe in a propeller is ensured.

In order to achieve the aim, the utility model discloses a steel pipe straightener which comprises a base and is characterized in that: two propellers are installed at intervals on the base, the base is still rotated and is installed the straightener that is used for adjusting the steel pipe straightness, the straightener is located between two propellers, slidable mounting has the slide bar in the propeller, the slide bar is installed two at least, interval about two slide bars, it has the propulsion wheel to rotate on the slide bar, two propulsion wheels correspond from top to bottom, install in the propeller and be used for driving two slide bars and draw close each other or the roll adjustment mechanism of keeping away from each other.

After adopting above-mentioned structure, through the upper and lower height of two propulsion wheels of roll adjustment mechanism adjustment, can make two propulsion wheels draw close each other simultaneously or keep away from each other simultaneously about can making, when having the multiunit propulsion wheel, the centre gripping of the control propeller of being convenient for guarantees the straightness of steel pipe in the propeller.

The specific structure of the distance adjusting mechanism comprises a screw nut arranged on a sliding rod, a first lead screw is rotatably arranged on a propeller, the first lead screw extends up and down, two threads with opposite rotation directions are arranged on the first lead screw, the two threads are spaced up and down, the first lead screw penetrates through the two screw nuts, the two threads are respectively in threaded fit with the two screw nuts, and a hand wheel used for rotating the first lead screw is arranged on the first lead screw. Two sections of threads with opposite screwing directions on the first lead screw can control the two propelling wheels to simultaneously approach each other or simultaneously separate from each other.

Regarding the major structure of propeller, the propeller includes the bottom plate, and the bottom plate top interval is provided with the roof, is equipped with the backup pad with both fixed connection between bottom plate and the roof, and the backup pad is equipped with two and controls mutual interval.

Preferably, the propelling wheel is positioned between the two supporting plates, the supporting plates are provided with guide channels extending up and down, and the sliding rod is inserted in the guide channels and is in sliding fit with the guide channels. The motion track of the slide bar is controlled by the guide channel.

In order to ensure the stability of the up-and-down motion of the slide bar, two ends of the slide bar are respectively provided with a nut, and the two nuts are respectively positioned at the left side and the right side of the propelling wheel.

Preferably, a chain wheel is fixedly arranged on the side part of one of the propelling wheels, and a first motor for driving the chain wheel to rotate is arranged on the base. The output shaft of the first motor is also provided with a chain wheel, and the chain wheel are connected through a roller chain.

The straightener comprises a supporting frame, a plurality of wheel frames are arranged in the supporting frame, straightening wheels are rotatably arranged in the wheel frames, the wheel frames vertically correspond to each other, a second lead screw is arranged on the wheel frames, the second lead screw penetrates through the supporting frame and is in sliding fit with the supporting frame, and a nut pressed on the supporting frame is screwed on the second lead screw. When the vertical height of the straightening wheel is adjusted, the nut is firstly disassembled, the wheel frame can slide up and down in the supporting frame, then the wheel frame is moved to a selected position according to the diameter of the steel pipe, the nut is tightened, the nut is pressed against the supporting frame, and the wheel frame is fixed.

In order to avoid the wheel frame from deviating, a guide rod is arranged on the wheel frame, penetrates through the wheel frame and is in sliding fit in the wheel frame. The guide rod is matched with the second lead screw, so that the action track of the wheel frame can only slide up and down, and the wheel frame is prevented from deviating.

Regarding the mounting structure of straightener, a support section of thick bamboo is installed at the both ends of straightener, installs the supporting seat on the base, and a support section of thick bamboo rotates and installs on the supporting seat, installs on the base to be used for the drive to support a section of thick bamboo pivoted second motor. The supporting cylinder and the second motor are respectively provided with a chain wheel, the second motor outputs power to the supporting cylinder through the roller chain and the chain wheels, the working process straightener constantly rotates, the bent steel pipe stretches into the straightener from the supporting cylinder and then stretches out from the supporting cylinder on the other side, and the straightening wheels constantly extrude the steel pipe in the process, so that the steel pipe is straightened.

Preferably, the propelling wheel is provided with an inwards concave working surface, the working surface surrounds the propelling wheel for a circle, and friction grains are arranged on the working surface. The friction lines increase the friction between the propulsion wheel and the steel tube.

In conclusion, the beneficial effects of the utility model are as follows: the upper and lower heights of the two propelling wheels are adjusted through the distance adjusting mechanism, so that the upper and lower propelling wheels can be simultaneously close to each other or simultaneously keep away from each other, when a plurality of groups of propelling wheels exist, the clamping center of the propeller is convenient to control, and the straightness of the steel pipe in the propeller is ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the propeller;

fig. 3 is a partially enlarged schematic structural diagram of a point a in fig. 1.

In the figure: the device comprises a base 1, a propeller 2, a straightener 3, a support cylinder 4, a hand wheel 5, a propelling wheel 6, a first lead screw 7, friction grains 8, a nut 9, a top plate 10, a bottom plate 11, a second motor 12, a support plate 13, a slide bar 14, a straightening wheel 15, a wheel carrier 16, a second lead screw 17, a guide rod 18, a nut 19, a chain wheel 20, a first motor 21, a support frame 22 and a support seat 23.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.

In order to achieve the aim, the utility model discloses a steel pipe straightener which comprises a base 1 and is structurally characterized in that: two propellers 2 are installed at the interval on the base 1, base 1 still rotates and installs straightener 3 that is used for adjusting the steel pipe straightness, straightener 3 is located between two propellers 2, slidable mounting has slide bar 14 in the propeller 2, slide bar 14 installs two at least, interval about two slide bars 14, it installs propulsion wheel 6 to rotate on the slide bar 14, two propulsion wheels 6 correspond from top to bottom, install in the propeller 2 and be used for driving two slide bars 14 and draw close each other or the roll adjustment mechanism who keeps away from each other. Referring to the attached drawing 1, after the structure is adopted, the upper and lower heights of the two propelling wheels 6 are adjusted through the distance adjusting mechanism, the upper and lower propelling wheels 6 can be simultaneously close to each other or simultaneously keep away from each other, when a plurality of groups of propelling wheels 6 exist, the clamping center of the propeller 2 is convenient to control, and the straightness of the steel pipe in the propeller 2 is ensured.

Referring to the attached figure 2, regarding the specific structure of the distance adjusting mechanism, the distance adjusting mechanism comprises a nut 9 installed on a sliding rod 14, a first lead screw 7 is installed on a propeller 2 in a rotating mode, the first lead screw 7 extends up and down, two threads with opposite rotating directions are arranged on the first lead screw 7, the two threads are spaced up and down, the first lead screw 7 penetrates through the two nuts 9, the two threads are respectively in threaded fit with the two nuts 9, and a hand wheel 5 used for rotating the first lead screw 7 is installed on the first lead screw 7. Two sections of threads with opposite screwing directions on the first lead screw 7 can control the two propelling wheels 6 to simultaneously get close to each other or simultaneously get away from each other.

Referring to fig. 2, regarding the main structure of the thruster 2, the thruster 2 includes a bottom plate 11, a top plate 10 is disposed above the bottom plate 11 at an interval, a support plate 13 is disposed between the bottom plate 11 and the top plate 10 to fixedly connect the two, and the two support plates 13 are disposed at an interval left and right. The propelling wheel 6 is positioned between two supporting plates 13, a guide channel extending up and down is formed on each supporting plate 13, and the sliding rod 14 is inserted in the guide channel and is in sliding fit with the guide channel. The motion track of the slide bar 14 is controlled by the guide channel. In order to ensure the stability of the up-and-down motion of the sliding rod 14, two nuts 9 are respectively installed at two ends of the sliding rod 14, and the two nuts 9 are respectively positioned at the left side and the right side of the propelling wheel 6. A chain wheel 20 is fixedly arranged on the side part of one of the propelling wheels 6, and a first motor 21 for driving the chain wheel 20 to rotate is arranged on the base 1. The output shaft of the first motor 21 is also fitted with a sprocket, which is connected to the sprocket 20 by a roller chain.

Referring to fig. 1 and 3, regarding the specific structure of the straightener 3, the straightener 3 includes a supporting frame 22, a plurality of wheel frames 16 are arranged in the supporting frame 22, the straightening wheels 15 are rotatably mounted in the wheel frames 16, the plurality of wheel frames 16 correspond up and down, a second lead screw 17 is mounted on the wheel frames 16, the second lead screw 17 passes through the supporting frame 22 and is in sliding fit in the supporting frame 22, and a nut 19 pressed against the supporting frame 22 is screwed on the second lead screw 17. When adjusting the vertical height of the straightening wheels 15, the nuts 19 are removed, the wheel frame 16 can slide up and down in the supporting frame 22, then the wheel frame 16 is moved to a selected position according to the diameter of the steel pipe, and the nuts 19 are tightened to press the nuts 19 against the supporting frame 22, and at this time, the fixation of the wheel frame 16 is completed. To avoid the wheel frame 16 from shifting, the wheel frame 16 is provided with a guide bar 18, the guide bar 18 passing through the wheel frame 16 and being slidably fitted in the wheel frame 16. The guide rod 18 and the second lead screw 17 are matched to ensure that the action track of the wheel carrier 16 can only slide up and down, so that the wheel carrier 16 is prevented from being deviated.

Referring to fig. 1, regarding the mounting structure of the straightener 3, the two ends of the straightener 3 are provided with the supporting cylinders 4, the base 1 is provided with the supporting base 23, the supporting cylinders 4 are rotatably mounted on the supporting base 23, and the base 1 is provided with the second motor 12 for driving the supporting cylinders 4 to rotate. The supporting cylinder 4 and the second motor 12 are both provided with chain wheels, the second motor 12 outputs power to the supporting cylinder 4 through the roller chain and the chain wheels, the working process straightener 3 rotates constantly, the bent steel pipe stretches into the straightener 3 from the supporting cylinder 4 and stretches out from the supporting cylinder 4 on the other side, and the straightening wheels 15 continuously extrude the steel pipe in the process, so that the steel pipe is straightened.

Referring to fig. 2, the impeller 6 has a concave working surface surrounding the impeller 6 for a circle, and the working surface has friction lines 8. The friction lines 8 increase the friction between the impeller 6 and the steel tube.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a steel pipe straightener, including base (1), a serial communication port, two propellers (2) are installed at the interval on base (1), base (1) is still rotated and is installed straightener (3) that are used for adjusting the steel pipe straightness, straightener (3) are located between two propellers (2), slidable mounting has slide bar (14) in propeller (2), slide bar (14) are installed two at least, interval about two slide bar (14), it installs propulsion wheel (6) to rotate on slide bar (14), two propulsion wheel (6) are corresponding from top to bottom, install in propeller (2) and be used for driving two slide bar (14) and draw close each other or the roll adjustment mechanism of keeping away from each other.

2. The steel pipe straightener as claimed in claim 1, wherein the distance adjusting mechanism comprises a nut (9) mounted on a slide bar (14), a first lead screw (7) is rotatably mounted on the propeller (2), the first lead screw (7) extends up and down, two sections of threads with opposite rotation directions are arranged on the first lead screw (7), the two sections of threads are spaced up and down, the first lead screw (7) passes through the two nuts (9), the two sections of threads are respectively in threaded fit with the two nuts (9), and a hand wheel (5) for rotating the first lead screw (7) is mounted on the first lead screw (7).

3. The steel pipe straightener as claimed in claim 2, wherein the thruster (2) comprises a bottom plate (11), a top plate (10) is arranged above the bottom plate (11) at intervals, a support plate (13) fixedly connecting the bottom plate (11) and the top plate (10) is arranged between the bottom plate (11) and the top plate (10), and the support plate (13) is provided with two plates which are arranged at intervals left and right.

4. The steel pipe straightener as claimed in claim 3, wherein the impeller (6) is located between two support plates (13), the support plates (13) are provided with guide channels extending up and down, and the sliding rod (14) is inserted into the guide channels and is in sliding fit in the guide channels.

5. The steel pipe straightener as claimed in claim 4, wherein nuts (9) are mounted at both ends of the slide bar (14), the two nuts (9) being located on the left and right sides of the propulsion wheel (6), respectively.

6. The steel pipe straightener as claimed in claim 2, wherein a sprocket wheel (20) is fixedly mounted on the side of one of the propulsion wheels (6), and the base (1) is provided with a first motor (21) for driving the sprocket wheel (20) to rotate.

7. The steel pipe straightener as claimed in claim 1, wherein the straightener (3) comprises a support frame (22), a plurality of wheel carriers (16) are arranged in the support frame (22), the straightening wheels (15) are rotatably arranged in the wheel carriers (16), the plurality of wheel carriers (16) correspond up and down, a second lead screw (17) is arranged on the wheel carriers (16), the second lead screw (17) penetrates through the support frame (22) and is in sliding fit in the support frame (22), and a nut (19) which presses against the support frame (22) is screwed on the second lead screw (17).

8. The steel pipe straightener as claimed in claim 7, characterized in that the wheel frame (16) is mounted with a guiding rod (18), the guiding rod (18) passing through the wheel frame (16) and being a sliding fit in the wheel frame (16).

9. The steel pipe straightener as claimed in claim 7, wherein the straightener (3) is provided with support cylinders (4) at both ends, the base (1) is provided with a support base (23), the support cylinders (4) are rotatably mounted on the support base (23), and the base (1) is provided with a second motor (12) for driving the support cylinders (4) to rotate.

10. The steel pipe straightener as claimed in claim 7, characterized in that the impeller (6) is provided with a concave working surface which surrounds the impeller (6) around its circumference, the working surface being provided with friction lines (8).