CN221231329U

CN221231329U - Steel pipe straightening fixing device

Info

Publication number: CN221231329U
Application number: CN202322859788.9U
Authority: CN
Inventors: 李原军; 余京泽
Original assignee: Guangdong Chentong Pipeline Technology Co ltd
Current assignee: Guangdong Chentong Pipeline Technology Co ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-06-28
Anticipated expiration: 2033-10-24

Abstract

The utility model relates to the technical field of steel tube straightening equipment, and discloses a steel tube straightening and fixing device, wherein a clamping plate can be pressed down to the position where a steel tube is located simultaneously by rotating a screw rod I to fix the steel tube; the screw rod I is manually rotated to control the pressing radian of the two clamping plates, so that the screw rod I can adapt to steel pipes with different pipe diameters, multiple devices are not required to operate, and the practicability is high; the clamping mechanism can slide on the platform to adjust and clamp steel pipes with different lengths, and meanwhile, the clamping mechanism can be limited, so that the steel pipes cannot move in the straightening process, and the straightening accuracy is higher; the two straightening rollers straighten the steel pipe transversely, and the pressing mechanism straightens the steel pipe longitudinally, so that the straightening effect is better; before entering the straightening roller, the steel pipe passes through a hairbrush to clean impurity sludge on the surface of the steel pipe, so that a straightening device is prevented from being polluted and even the straightening accuracy is influenced; the roller is arranged on the base, friction force is reduced in the sliding process of the steel pipe, and damage to the surface of the steel pipe is avoided.

Description

Steel pipe straightening fixing device

Technical Field

The utility model relates to the technical field of steel tube straightening equipment, in particular to a steel tube straightening fixing device.

Background

The straightening of the steel pipe is an important link in the production of straight-seam steel pipes, in particular to a sleeve pipe with API standard and a special pipe for mechanical equipment. These steel pipes have not only strict requirements on the steel grade and the welding quality, but also high requirements on the flatness of the steel pipes. Because the deviation in flatness is directly related to the machining and connection of the pipe end threads and the pipe collar, as well as the deformation of the pipe during use, there are two machining methods for pipe rotation and tool rotation. The straightening machine is used for straightening a pipeline through multiple elastic plastic bending deformation, and two basic methods are used for straightening the steel pipe: linear straightening and rotational straightening. Both methods are essentially straightened, according to the principle of removing internal stresses, but they have a great use and straightening effect. The difference is that: in the production of ERW steel pipes, both methods are usually arranged in production facilities, linear straightening using a linear straightener, and rotary straightening using a roller straightener. The two straightening methods have characteristics and purposes respectively, but the action objects and the working principles are completely different.

According to the utility model, the pipe straightener disclosed in CN218611116U comprises a straightening box, a bottom plate, a wiping mechanism and a rotating shaft, wherein the lower end of the straightening box is fixedly connected with the bottom plate through a supporting rod, the wiping mechanism for cleaning the surface of a steel pipe is fixed on one side of the straightening box, a mounting frame is mounted on the inner side wall of the straightening box, the rotating shaft for mounting a squeeze roller is rotatably connected inside the mounting frame, a second motor is fixed on the upper end of one side, close to the wiping mechanism, of the straightening box, a connecting shaft is fixedly connected with the straightening box in a rotating manner, a guide roller is fixedly sleeved on the connecting shaft, the rotating roller is rotatably sleeved in a mounting groove on the wiping frame, and a brush is fixed on the inner wall of the rotating roller.

However, the straightening machine can only straighten the steel pipes with fixed specifications, and different straightening machines are needed for straightening the steel pipes with different diameters, so that the straightening efficiency is low, the straightening cost is high, and in order to solve the problem, the adjustable clamping steel pipes are adopted, and the straightening machine is suitable for unified straightening of the steel pipes with different diameters and has high straightening efficiency.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the steel tube straightening and fixing device which has the advantage of adapting to the pipe diameter of the steel tube, and solves the problems that different machines are needed for straightening different steel tubes, all parts of the steel tube can not be straightened, and the straightening efficiency is affected by stains on the steel tube.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a steel tube straightening fixing device, comprising a supporting frame, wherein the supporting frame comprises:

the pillar, its top is provided with the platform, the platform top is provided with clamping assembly, clamping assembly includes:

the sliding block is arranged in the sliding groove at the top of the platform;

the electric telescopic rod is arranged at the top of the sliding block;

the fixing mechanism is arranged at the top of the electric telescopic rod;

The platform is penetrated with a pressing component.

Preferably, the fixing mechanism includes:

The bottom plate is arranged at the top of the electric telescopic rod;

The first screw rod penetrates through the right side of the bottom plate and is rotationally connected with the inner wall of the left side of the bottom plate;

The thread blocks are symmetrically arranged on the first screw rod;

The clamping plate is arranged at the top of the threaded block, and a through hole is formed in the top of the bottom plate for the clamping plate to move;

The vertical plates are symmetrically arranged at the top of the bottom plate;

The fixed shaft penetrates through the clamping plate and is rotationally connected with the vertical plate;

And the base is arranged at the top of the bottom plate.

Preferably, the inside stop gear that is provided with of slider, stop gear includes:

The limiting column is arranged in the right side of the sliding block;

the cylinder is arranged in the limit column through groove;

The push rod is arranged on the right side of the cylinder through a bearing, a spring is sleeved outside the push rod, and a through groove with the same size as the push rod is formed on the right side of a sliding groove at the top of the platform.

Preferably, a straightening roller is arranged at the top of the electric telescopic rod, and a hairbrush is arranged at the left side of the left part of the straightening roller.

Preferably, the pressing assembly includes:

The motor is arranged at the bottom of the platform;

the right side of the screw rod II is connected with the output end of the motor, and the left side of the screw rod II is rotationally connected with a transverse plate between the struts;

The bracket penetrates through the platform, the bottom of the bracket is in threaded connection with the second screw rod, and a through groove is formed in the platform;

The hydraulic press is arranged at the bottom of the bracket transverse frame, and the bottom of the hydraulic press is provided with an arc-shaped pressing block.

Preferably, the upper surface of the base is arc-shaped, and the top of the base is connected with a roll shaft in a sliding manner.

Preferably, the first screw rod is provided with a reverse thread.

(III) beneficial effects

Compared with the prior art, the utility model provides a steel tube straightening and fixing device, which has the following beneficial effects:

According to the straightening fixing device, the first screw rod is rotated to enable the clamping plates to simultaneously press down to the positions of the steel pipes to fix the steel pipes, the first screw rod is manually rotated to control the pressing radian of the two clamping plates, so that the straightening fixing device can adapt to the steel pipes with different pipe diameters, multiple devices are not required to operate, and the straightening fixing device is high in practicability; the clamping mechanism can slide on the platform to adjust and clamp steel pipes with different lengths, and meanwhile, the clamping mechanism can limit the steel pipes, so that the steel pipes cannot move in the straightening process, and the straightening accuracy is higher; the two straightening rollers straighten the steel pipe transversely, and the pressing mechanism straightens the steel pipe longitudinally, so that the straightening effect is better; before entering the straightening roller, the steel pipe passes through a hairbrush to clean impurity sludge on the surface of the steel pipe, so that a straightening device is prevented from being polluted and even the straightening accuracy is influenced; the roller is arranged on the base, friction force is reduced in the sliding process of the steel pipe, and damage to the surface of the steel pipe is avoided.

Drawings

FIG.1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic left-hand cross-sectional view of a clamping assembly according to the present utility model;

FIG. 3 is a schematic diagram of the left side of the structure of the present utility model;

FIG. 4 is a schematic top view of the structure of the present utility model;

FIG. 5 is a schematic top view of a limiting mechanism according to the present utility model

In the figure:

1. a support frame; 11. a support post; 12. a platform;

2. A clamping assembly; 21. a slide block; 22. an electric telescopic rod; 23. a fixing mechanism; 231. a bottom plate; 232. a first screw rod; 233. a screw block; 234. a clamping plate; 235. a riser; 236. a fixed shaft; 237. a base; 238. a roll shaft; 24. a limiting mechanism; 241. a limit column; 242. a cylinder; 243. a push rod; 25. straightening rollers; 26. a brush;

3. A pressing assembly; 31. a motor; 32. a second screw rod; 33. a bracket; 34. and (3) a hydraulic press.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 5, a steel pipe straightening and fixing device includes a support frame 1, the support frame 1 includes: the pillar 11, its top is provided with platform 12, and the pillar 11 supports whole straightener, platform 12 top is provided with clamping assembly 2, clamping assembly 2 includes: the slider 21 set up in the spout of platform 12 top, slider 21 can slide in the spout, and electric telescopic handle 22 sets up in the slider 21 top of complaining, fixed establishment 23 set up in electric telescopic handle 22 top, fixed establishment 23 includes: the bottom plate 231 is arranged at the top of the electric telescopic rod 22, the first screw rod 232 penetrates through the right side of the bottom plate 231 and is rotationally connected with the inner wall of the left side of the bottom plate 231, the threaded block 233 is symmetrically arranged on the first screw rod 232, the right side of the first screw rod 232 is provided with a handle, the first screw rod 232 can drive the threaded block 233 to move left and right when rotating,

The clamping plate 234 is arranged at the top of the threaded block 233, and a through hole is formed in the top of the bottom plate 231, the clamping plate 234 can be moved, the vertical plates 235 are symmetrically arranged at the top of the bottom plate 231, the fixing shafts 236 penetrate through the clamping plate 234 and are rotationally connected with the vertical plates 235, the fixing shafts 236 limit the clamping plate 234 to rotate along the fixing shafts 236, the base 237 is arranged at the top of the bottom plate 231, an arc-shaped structure is adopted, the radian of a steel pipe is attached to the top of the base 237, the top of the base 237 is slidably connected with the roller shaft 238, and the steel pipe can slide on the roller shaft 238, so that friction force is reduced. The top of the electric telescopic rod 22 is provided with straightening rollers 25, and the two straightening rollers 25 straighten the steel pipe transversely. The platform 12 is penetrated with a pressing component 3, and the pressing component 3 comprises: the motor 31 is arranged at the bottom of the platform 12, the second screw rod 32 is connected with the output end of the motor 31, the left side is connected with the transverse plate between the supporting columns 11 in a rotating mode, the support 33 penetrates through the platform 12, the bottom is connected with the second screw rod 32 in a threaded mode, when the second screw rod 32 rotates, the support 33 driving the top to move left and right is arranged on the platform 12, the support 33 moves in the through groove, the hydraulic press 34 is arranged at the bottom of the transverse frame of the support 33, the bottom of the hydraulic press 34 is provided with an arc pressing block, and the hydraulic press 34 is started to drive the arc pressing block to straighten a steel pipe vertically.

The steel pipe to be straightened passes through the middle of the straightening roller 25 on the left side, the clamping assembly 2 passing through the middle part passes through the straightening roller 25 on the right side, at the moment, the steel pipe is placed on the base 237 on the clamping assembly 2, the handle on the right side of the screw rod 232 is rotated, the screw rod 232 is reversely threaded, when the screw rod 232 rotates, the threaded blocks 233 which are in threaded connection with the screw rod drive the clamping plates 234 to be mutually close or separated, the fixed shafts 236 are rotationally connected to the clamping plates 234, the fixed shafts 236 are connected with the vertical plates 235, when the bottoms of the clamping plates 234 move, the tops of the clamping plates 234 rotate along the fixed shafts 236, the screw rod 232 is rotated, the threaded blocks 233 are simultaneously moved, the clamping plates 234 on two sides are simultaneously pressed down to the parts of the middle steel pipe, the steel pipe is fixed, the steel pipe is not influenced by the pipe diameter of the steel pipe, the steel pipe can be adapted to different steel pipes, the flexibility is high, the sliding blocks 21 can drive the clamping assembly 2 to move, the distance between the electric rods 22 can be reduced when the lengths of the steel pipe are shorter, and the steel pipe is also fixed. After the steel pipe is placed, an operator drives the motor 31, the motor 31 rotates to drive the bracket 33 connected with the motor in a threaded mode to move left and right, the steel pipe is adjusted to a place where the steel pipe needs to be straightened, the hydraulic press 34 is started, and the hydraulic press 34 drives the arc-shaped pressing block to extrude the steel pipe at the bottom until the steel pipe is restored to a straight state.

Example two

The functions of cleaning the steel pipe and limiting are added on the basis of the first embodiment.

Referring to fig. 1-5, the sliding block 21 can slide on a chute on the platform 12, and after the position is adjusted, the sliding block 21 needs to be limited, so that when the pressing component 3 is straightened, the sliding block 21 drives the steel pipe to displace, and the straightening accuracy is affected, and for this purpose, a limiting mechanism 24 is arranged inside the sliding block 21, and the limiting mechanism 24 comprises: the limiting column 241 is arranged inside the right side of the sliding block 21, the cylinder 242 is arranged in a through groove of the limiting column 241, the push rod 243 is arranged on the right side of the cylinder 242 through a bearing, a spring is sleeved outside the push rod 243, and a through groove with the same size as the push rod 243 is formed in the right side of a sliding groove at the top of the platform 12. The cylinder 242 is pressed downwards, the cylinder 242 is rotated leftwards until the protruding part on the cylinder 242 enters the left side of the through groove on the surface of the limiting column 241, the protruding part on the cylinder 242 is clamped by the through groove with a special shape, the push rod 243 at the bottom of the device is pushed out due to the fact that the cylinder 242 is pressed downwards, meanwhile, the spring outside the push rod 243 is compressed, the push rod 243 can be inserted into the through groove on the right side of the sliding groove on the platform 12 after being pushed out, so that the sliding block 21 can be limited, finally, the cylinder 242 can be rotated rightwards, the protruding part on the cylinder 242 is driven to leave the special through groove part on the limiting column 241, and the extruded spring brings the push rod 243 out of the through groove of the sliding groove on the platform 12 until the push rod 243 is retracted into the limiting column 241 after no stress. If the steel pipe is provided with impurities or sludge on the surface before being straightened, the impurities are brought into the straightening device to affect the straightening efficiency, and therefore, the brush 26 is arranged on the left side of the left part of the straightening roller 25, and the steel pipe is cleaned on the surface through the brush 26 before entering the straightening roller 25 to avoid affecting the subsequent straightening.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A steel pipe straightening fixing device which is characterized in that: comprising a support frame (1), the support frame (1) comprising:

pillar (11), its top is provided with platform (12), platform (12) top is provided with clamping assembly (2), clamping assembly (2) include:

The sliding block (21) is arranged in a sliding groove at the top of the platform (12);

The electric telescopic rod (22) is arranged at the top of the sliding block (21);

the fixing mechanism (23) is arranged at the top of the electric telescopic rod (22);

The platform (12) is penetrated with a pressing component (3).

2. A steel pipe straightening fixing apparatus according to claim 1, characterized in that: the fixing mechanism (23) includes:

a bottom plate (231) arranged on the top of the electric telescopic rod (22);

the first screw rod (232) penetrates through the right side of the bottom plate (231) and is rotationally connected with the inner wall of the left side of the bottom plate (231);

The thread blocks (233) are symmetrically arranged on the first screw rod (232);

The clamping plate (234) is arranged at the top of the threaded block (233), and a through hole is formed at the top of the bottom plate (231) for the clamping plate (234) to move;

the vertical plates (235) are symmetrically arranged at the top of the bottom plate (231);

A fixed shaft (236) penetrating through the clamping plate (234) and rotatably connected with the vertical plate (235);

And a base (237) arranged on the top of the bottom plate (231).

3. A steel pipe straightening fixing apparatus according to claim 1, characterized in that: the slider (21) is inside to be provided with stop gear (24), stop gear (24) are including:

The limiting column (241) is arranged inside the right side of the sliding block (21);

the cylinder (242) is arranged in the through groove of the limit column (241);

the push rod (243) is arranged on the right side of the cylinder (242) through a bearing, a spring is sleeved outside the push rod (243), and a through groove with the same size as the push rod (243) is formed on the right side of a sliding groove at the top of the platform (12).

4. A steel pipe straightening fixing apparatus according to claim 2, characterized in that: the top of the electric telescopic rod (22) is provided with a straightening roller (25), and the left side of the left part of the straightening roller (25) is provided with a hairbrush (26).

5. A steel pipe straightening fixing apparatus according to claim 1, characterized in that: the pressing assembly (3) comprises:

The motor (31) is arranged at the bottom of the platform (12);

The right side of the screw rod II (32) is connected with the output end of the motor (31), and the left side of the screw rod II is rotationally connected with the transverse plate between the support posts (11);

The bracket (33) penetrates through the platform (12), the bottom of the bracket is in threaded connection with the second screw rod (32), and a through groove is formed in the platform (12);

the hydraulic machine (34) is arranged at the bottom of the transverse frame of the bracket (33), and an arc-shaped pressing block is arranged at the bottom of the hydraulic machine (34).

6. A steel pipe straightening fixing apparatus according to claim 2, characterized in that: the upper surface of the base (237) is arc-shaped, and a roll shaft (238) is connected to the top of the base (237) in a sliding mode.

7. A steel pipe straightening fixing apparatus according to claim 6, characterized in that: and the first screw rod (232) is provided with a reverse thread.