Steel pipe straightening machine capable of removing rust

By designing a steel pipe straightening machine with an automatic feeding and internal rust removal mechanism, the problems of low efficiency of manual feeding and lack of internal rust removal have been solved, realizing automated production and extending the service life of steel pipes.

CN223748283UActive Publication Date: 2026-01-02GUANGDONG HUIZE STEEL PIPE CO LTD
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Patent Information

Application Number
CN202520061258.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-01-02
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Existing steel pipe straightening machines suffer from low efficiency and safety hazards due to manual feeding, and they cannot remove rust from the inner wall of the steel pipe, thus affecting the service life of the steel pipe.

Method used

A rust-removing steel pipe straightening machine was designed, which includes an automatic feeding mechanism, a steel pipe straightening mechanism, and a steel pipe inner wall rust removal mechanism. Automatic feeding is achieved by using a cylinder and push plate assembly, straightening is performed by using a V-shaped straightening wheel, and rust removal is performed on the inner wall by using a sandblasting rust removal assembly.

Benefits of technology

It enables automatic feeding and internal rust removal of steel pipes, improving work efficiency, reducing safety hazards, and extending the service life of steel pipes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a derusting steel pipe straightening machine, which belongs to the field of metal processing and comprises a base station, an automatic feeding mechanism, a steel pipe straightening mechanism and a steel pipe inner wall derusting mechanism. An automatic feeding mechanism for automatically feeding is mounted at the left end of the base station; the automatic feeding mechanism comprises a protective shell feeding assembly, a straightening feeding assembly and a discharging table. A steel pipe straightening mechanism for straightening a steel pipe is mounted at the upper end of the base station; the steel pipe straightening mechanism is located on the right side of the automatic feeding mechanism. A steel pipe inner wall rust removing mechanism used for removing rust on the inner wall of the steel pipe is installed at the upper end of the right side of the base table. By means of the mode, automatic feeding and straightening of steel pipes of different specifications can be achieved, work efficiency is improved, and work hidden dangers are reduced; and the inner wall of the steel pipe can be derusted, and the service life of the steel pipe is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of metal processing, concretely relates to a rust removal steel pipe straightening machine. BACKGROUND

[0002] The steel pipe straightening machine is one of the key equipment in the steel pipe production and processing process, and is mainly used for straightening the steel pipe to meet the specified diameter, length and shape requirements; with the continuous improvement of industrial automation level, the automation degree of the steel pipe straightening machine is gradually increased, and the automatic production process, data acquisition and analysis are realized, manual intervention is reduced, and the production efficiency and product quality stability are improved.

[0003] Chinese patent CN113058774A discloses a building steel pipe rust removal and paint spraying device with straightening function and a straightening method thereof, which comprises a straightening frame and a top cover fixed to each other, and the space formed by the straightening frame and the top cover is divided into a conveying and straightening cavity, a paint spraying cavity and a drying cavity by four partition plates. The method comprises selecting a non-deformed steel pipe with the same diameter as the steel pipe to be straightened and inserting it into the conveying mechanism. By setting the side wall of the straightening roller as a hyperbolic structure, for steel pipes of different diameters, by rotating the threaded rod, the inclination angle and the relative distance of the straightening roller are changed, the straightening diameter can be adjusted, no special mold is needed, the cost is low, and the straightening roller rotates during straightening, the rotation direction is different from the conveying direction of the steel pipe, the outer wall is polished by relative displacement friction, the separate polishing process is saved, and the cost is further reduced; but the device still has the following problems,

[0004] 1. The device uses manual feeding, which is low in work efficiency and has safety hazards;

[0005] 2. The device cannot remove rust from the inner wall of the steel pipe, only the outer wall of the steel pipe is rusted, and the service life of the steel pipe cannot reach the best.

[0006] Therefore, the utility model designs a rust removal steel pipe straightening machine to solve the above problems. UTILITY MODEL CONTENTS

[0007] In view of the above shortcomings of the prior art, the utility model provides a rust removal steel pipe straightening machine.

[0008] To achieve the above purpose, the utility model is realized by the following technical schemes:

[0009] A rust removal steel pipe straightening machine, comprising a base, further comprising an automatic feeding mechanism, a steel pipe straightening mechanism and a steel pipe inner wall rust removal mechanism;

[0010] The left end of the base is provided with an automatic feeding mechanism for automatic feeding;

[0011] The automatic feeding mechanism comprises a protective shell feeding assembly, a straightening feeding assembly, a feeding table and a placing rack; the feeding table is located at the left front upper end of the base, the protective shell feeding assembly is connected with the feeding table, the right end of the straightening feeding assembly is connected with the left end of the protective shell feeding assembly, and the bottom of the straightening feeding assembly is connected with the base; the placing rack is fixedly installed at the front side of the feeding table and connected with the protective shell feeding assembly; the limiting plates for limiting the steel pipe are fixedly installed at the left and right ends of the upper side of the placing rack;

[0012] The base is provided with a steel pipe straightening mechanism at the upper end thereof for straightening the steel pipe; the steel pipe straightening mechanism is located at the right side of the automatic feeding mechanism;

[0013] The right upper end of the base is provided with a steel pipe inner wall rust removal mechanism for removing rust from the inner wall of the steel pipe.

[0014] Further, the protective shell feeding assembly comprises a cylinder one, a push plate one, a connecting rod, an upper protective shell and a lower protective shell; the lower end of the cylinder one is fixedly connected with the base, the driving end of the cylinder one is fixedly connected with the push plate one, a plurality of limiting sliding grooves are formed in the feeding table and the placing rack in the upward direction, the push plate one is limitingly and slidably connected with the feeding table and the placing rack through the limiting sliding grooves; the left and right ends of the rear side of the push plate one are hingedly connected with one ends of two connecting rods respectively, the other ends of the two connecting rods are hingedly connected with the left and right ends of the upper protective shell through pivots, the rear end of the upper protective shell is rotatably connected with the lower protective shell through a pivot, and the lower protective shell is fixedly connected with the base.

[0015] Further, the straightening feeding assembly comprises a cylinder two, a push plate two and a conical positioning plate; the lower end of the cylinder two is fixedly connected with the left rear upper end of the base, the driving end of the cylinder two is fixedly connected with the push plate two, the push plate two is slidably connected with the upper protective shell and the lower protective shell, and the conical positioning plate is fixedly connected with the right end of the lower protective shell.

[0016] Further, the steel pipe straightening mechanism comprises a steel pipe fixing ring, a V-shaped straightening wheel and an outer shell; the outer shell is located at the right side of the conical positioning plate, the lower end of the outer shell is fixedly connected with the upper end of the base, the left and right ends of the outer shell are both fixedly installed with steel pipe fixing rings for fixing the radial position of the steel pipe, and a plurality of groups of V-shaped straightening wheels for straightening the steel pipe are horizontally installed inside the outer shell, each group of V-shaped straightening wheels comprises two V-shaped straightening wheels, and the two V-shaped straightening wheels are symmetrically arranged on the front and back of the inner wall of the outer shell and fixedly connected with the outer shell.

[0017] Further, the steel pipe fixing ring is of a detachable structure so as to replace the steel pipe of different sizes to adapt to different pipe diameters.

[0018] Further, the steel pipe inner wall rust removal mechanism comprises a sand blasting rust removal assembly, a blanking assembly and a bottom plate; the bottom plate right side lower end is rotationally connected with the base right side upper end through a rotating shaft, the sand blasting rust removal assembly is connected with the bottom plate upper end, and the bottom plate left side lower end is connected with the blanking assembly; the straight plate fixedly connected with the bottom plate upper end is fixedly connected with the bottom plate upper end.

[0019] Further, the sand blasting rust removal assembly comprises a sand blasting head, a fixed column and an arc-shaped fixing plate; the fixed column right end is fixedly connected with the straight plate left side of the bottom plate upper end, the sand blasting head is fixedly connected with the fixed column left end, the sand blasting head is connected with a pressurizing tank and a sand storage tank through a hose, the hose penetrates the fixed column and the bottom plate to the right, and the arc-shaped fixing plate for supporting the steel pipe is fixedly installed on the bottom plate upper end left side.

[0020] Further, the blanking assembly comprises a third air cylinder and an induction block; the third air cylinder lower end is hingedly connected with the base upper end, the third air cylinder driving end is hingedly connected with the bottom plate left side lower end, and the induction block is fixedly installed on the straight plate left side of the bottom plate upper end; the base is provided with a blanking groove for sliding down the steel pipe, and the blanking groove is located on the left side of the third air cylinder.

[0021] Compared with the prior art, the utility model has the advantages that: 1. The utility model can realize automatic feeding and straightening of the steel pipe, increase work efficiency and reduce work hazards; and can also realize straightening processing of steel pipes with different hole diameters;

[0022] 2. The utility model can realize rust removal of the steel pipe inner wall, and increase the service life of the steel pipe. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, below will be to the embodiment or prior art description needed to use the drawing briefly introduced. Obviously, the following description in the drawing is only some embodiments of the utility model, and for those skilled in the art, under the premise of not creating laboriously, other drawings can also be obtained according to these drawings.

[0024] Figure 1 It is a perspective view of a rust removal steel pipe straightening machine of the utility model Figure 1 ;

[0025] Figure 2 It is a front view of a rust removal steel pipe straightening machine of the utility model;

[0026] Figure 3 It is a right view of a rust removal steel pipe straightening machine of the utility model;

[0027] Figure 4 It is a perspective view along the A-A direction of Figure 3 ;

[0028] Figure 5 The utility model discloses a kind of rusted steel pipe straightening machine's stereoscopic Figure 2

[0029] Figure 6 For Figure 4 Enlarged view of B in the middle.

[0030] The reference numerals in the drawing represent respectively:

[0031] 1, base station;2, automatic feeding mechanism;21, protective shell feeding assembly;211, cylinder one;212, push plate one;213, connecting rod;214, upper protective shell;215, lower protective shell;216, limit sliding groove;22, straightening feeding assembly;221, cylinder two;222, push plate two;223, conical positioning plate;23, discharging table;24, placing rack;3, steel pipe straightening mechanism;31, steel pipe fixing ring;32, V-shaped straightening wheel;33, shell;4, steel pipe inner wall rust removal mechanism;41, sand blasting rust removal assembly;411, sand blasting head;412, fixed column;413, arc fixed plate;42, discharging assembly;421, cylinder three;422, inductive block;423, discharging groove;43, bottom plate. DETAILED DESCRIPTION

[0032] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0033] In the following description, "left", "right", "front", "rear", "upper", "lower" are oriented with the perspective of the front view.

[0034] Embodiment one: in some embodiments, referring to the drawing of the specification Figures 1-6 A rusted steel pipe straightening machine, comprising a base station 1;

[0035] The left end of the base station 1 is provided with an automatic feeding mechanism 2 for automatically feeding;

[0036] ​The automatic feeding mechanism 2 comprises a protective shell feeding assembly 21, a straightening feeding assembly 22, a feeding table 23 and a placing rack 24; the feeding table 23 is located at the left front upper end of the base 1, the protective shell feeding assembly 21 is connected with the feeding table 23, the right end of the straightening feeding assembly 22 is connected with the left end of the protective shell feeding assembly 21, and the bottom of the straightening feeding assembly 22 is connected with the base 1; the placing rack 24 is fixedly installed at the front side of the feeding table 23, and the placing rack 24 is connected with the protective shell feeding assembly 21; the limiting plates for limiting the steel pipe are fixedly installed at the left and right ends of the upper side of the placing rack 24;

[0037] The base 1 is provided with a steel pipe straightening mechanism 3 for straightening the steel pipe at the upper end of the base 1; the steel pipe straightening mechanism 3 is located at the right side of the automatic feeding mechanism 2;

[0038] The base 1 is provided with a steel pipe inner wall rust removal mechanism 4 for removing rust from the inner wall of the steel pipe at the right upper end of the base 1;

[0039] In the utility model, the operator places the steel pipe on the placing rack 24, the protective shell feeding assembly 21 pushes the steel pipe into the protective shell, the protective shell is used for preventing the left end of the steel pipe from swinging to cause injury to the operator when the steel pipe is straightened, then the straightening feeding assembly 22 pushes the steel pipe into the steel pipe straightening mechanism 3 for straightening, and the straightened steel pipe is conveyed to the steel pipe inner wall rust removal mechanism 4 for removing rust from the inner wall of the steel pipe to prolong the service life of the steel pipe;

[0040] The utility model can realize automatic feeding and straightening of the steel pipe, increase work efficiency and reduce work hazards; the utility model can also remove rust from the inner wall of the steel pipe and prolong the service life of the steel pipe.

[0041] The protective shell feeding assembly 21 comprises a cylinder one 211, a push plate one 212, a connecting rod 213, an upper protective shell 214 and a lower protective shell 215; the lower end of the cylinder one 211 is fixedly connected with the base 1, the driving end of the cylinder one 211 is fixedly connected with the push plate one 212, a plurality of limiting sliding grooves 216 are formed in the up-down direction of the feeding table 23 and the placing rack 24, the push plate one 212 is limitingly and slidingly connected with the feeding table 23 and the placing rack 24 through the limiting sliding grooves 216; the rear left and right ends of the push plate one 212 are hingedly connected with one end of the two connecting rods 213 through pivots, the other ends of the two connecting rods 213 are hingedly connected with the left and right ends of the upper protective shell 214 through pivots, the rear end of the upper protective shell 214 is rotatably connected with the lower protective shell 215 through a pivot, and the lower protective shell 215 is fixedly connected with the base 1;

[0042] The straightening feeding assembly 22 comprises a cylinder 221, a push plate 222 and a conical positioning plate 223; the lower end of the cylinder 221 is fixedly connected with the left rear upper end of the base 1, the driving end of the cylinder 221 is fixedly connected with the push plate 222, the push plate 222 is slidingly connected with the upper protective shell 214 and the lower protective shell 215, and the conical positioning plate 223 is fixedly connected with the right end of the lower protective shell 215;

[0043] In the utility model, the operator places the steel pipe on the placing rack 24, the cylinder 211 pushes the push plate 212 upwards to limit sliding of the feeding table 23 through the limiting sliding groove 216, the push plate 212 is pushed upwards to push a steel pipe to the upper side of the feeding table 23, simultaneously, the push plate 212 pushes the upper protective shell 214 and the lower protective shell 215 to rotate through the connecting rod 213, the upper protective shell 214 is opened upwards, the steel pipe is slid backwards along the upper end slope of the feeding table 23 to enter the protective shell, then the cylinder 211 is reset to drive the upper protective shell 214 to reset, at this time, the upper protective shell 214 and the lower protective shell 215 are closed, then the cylinder 221 pushes the push plate 222 to move rightwards, the push plate 222 pushes the steel pipe rightwards, and the right end of the steel pipe enters the steel pipe straightening mechanism 3 under the guidance of the conical positioning plate 223;

[0044] The utility model can realize automatic feeding and straightening of the steel pipe, increase work efficiency and reduce work hazards;

[0045] The steel pipe straightening mechanism 3 comprises a steel pipe fixing ring 31, V-shaped straightening wheels 32 and an outer shell 33; the outer shell 33 is located at the right side of the conical positioning plate 223, the lower end of the outer shell 33 is fixedly connected with the upper end of the base 1, the steel pipe fixing rings 31 for fixing the radial position of the steel pipe are fixedly installed at the left and right ends of the outer shell 33, the V-shaped straightening wheels 32 for straightening the steel pipe are horizontally installed inside the outer shell 33, each group of V-shaped straightening wheels 32 comprises two V-shaped straightening wheels 32, and the two V-shaped straightening wheels 32 are symmetrically arranged on the inner wall of the outer shell 33 and fixedly connected with the outer shell 33; the steel pipe fixing ring 31 is of detachable structure, so that different sizes of steel pipes of different diameters can be replaced;

[0046] In the utility model, the steel pipe to be straightened is passed through the steel pipe fixing ring 31 on the left side of the steel pipe straightening mechanism 3 to enter the outer shell 33, the steel pipe fixing ring 31 fixes the radial movement of the steel pipe, the V-shaped straightening wheels 32 are rotated to straighten the steel pipe and drive the steel pipe to move rightwards, and the steel pipe is output from the outer shell 33 through the steel pipe fixing ring 31 on the right side to enter the steel pipe inner wall rust removal mechanism 4;

[0047] The utility model can realize straightening treatment of steel pipes of different diameters;

[0048] The steel pipe inner wall rust removal mechanism 4 comprises a sand blasting rust removal assembly 41, a blanking assembly 42 and a bottom plate 43; the bottom plate 43 is rotationally connected with the right side upper end of the base 1 through a rotating shaft at the lower end of the right side of the bottom plate 43, the sand blasting rust removal assembly 41 is connected with the upper end of the bottom plate 43, and the lower end of the left side of the bottom plate 43 is connected with the blanking assembly 42; and a straight plate is fixedly connected with the upper end of the right side of the bottom plate 43;

[0049] The sand blasting rust removal assembly 41 comprises a sand blasting head 411, a fixed column 412 and an arc-shaped fixing plate 413; the fixed column 412 is fixedly connected with the left side of the straight plate connected with the upper end of the bottom plate 43 at the right end of the fixed column 412, the sand blasting head 411 is fixedly connected with the left end of the fixed column 412, the sand blasting head 411 is connected with a pressurizing tank and a sand storage tank through a hose, the hose penetrates through the fixed column 412 and the bottom plate 43 to the right, and the arc-shaped fixing plate 413 for supporting the steel pipe is fixedly installed on the left side of the upper end of the internal bottom plate 43;

[0050] The blanking assembly 42 comprises a cylinder three 421 and a sensing block 422; the cylinder three 421 is hingedly connected with the upper end of the base 1 at the lower end of the cylinder three 421, the driving end of the cylinder three 421 is hingedly connected with the lower end of the left side of the bottom plate 43, and the sensing block 422 is fixedly installed on the left side of the straight plate connected with the upper end of the bottom plate 43; and a blanking groove 423 for sliding down the steel pipe is formed in the upper end of the base 1, and the blanking groove 423 is located at the left side of the cylinder three 421.

[0051] In the utility model, when the steel pipe straightening mechanism 3 straightens the steel pipe, the steel pipe is output from the steel pipe fixing ring 31 at the right side of the shell 33 and continues to be pushed to the right, the inner wall of the steel pipe covers the sand blasting head 411, at this time, the sand blasting head 411 is under the action of the pressurizing tank and the sand storage tank is sand pumping, the sand blasting of the inner wall of the steel pipe is started, the steel pipe continues to move to the right, the inner wall of the steel pipe is attached to the outer wall of the fixed column 412, the lower end of the steel pipe is attached to the arc-shaped fixing plate 413, the arc-shaped fixing plate 413 supports the steel pipe, when the steel pipe moves to the right and collides with the sensing block 422, the cylinder three 421 is started to pull the bottom plate 43 to rotate around the rotating shaft, at this time, the left side of the bottom plate 43 is low and the right side is high, the steel pipe slides into the blanking groove 423 to the left lower side.

[0052] The utility model can realize the rust removal of the inner wall of the steel pipe and increase the service life of the steel pipe.

[0053] The above embodiment is only used to illustrate the technical scheme of the utility model, rather than limiting it; although the utility model is explained in detail with reference to the foregoing embodiment, those skilled in the art should understand that the technical scheme recorded in the foregoing embodiment can be modified or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of the utility model.

Claims

1. A rust-removing steel pipe straightening machine, comprising a base (1), characterized in that: It also includes an automatic feeding mechanism (2), a steel pipe straightening mechanism (3), and a steel pipe inner wall rust removal mechanism (4); An automatic feeding mechanism (2) for automatic feeding is installed on the left end of the base (1); The automatic feeding mechanism (2) includes a protective shell feeding assembly (21), a straightening feeding assembly (22), a feeding platform (23), and a placement frame (24); the feeding platform (23) is located on the upper left front side of the base (1), the protective shell feeding assembly (21) is connected to the feeding platform (23), the right end of the straightening feeding assembly (22) is connected to the left end of the protective shell feeding assembly (21), and the bottom of the straightening feeding assembly (22) is connected to the base (1); the placement frame (24) is fixedly installed on the front side of the feeding platform (23), and the placement frame (24) is connected to the protective shell feeding assembly (21); the upper left and right ends of the placement frame (24) are fixedly installed with limiting plates to limit the steel pipes; The upper end of the base (1) is equipped with a steel pipe straightening mechanism (3) for straightening steel pipes; the steel pipe straightening mechanism (3) is located to the right of the automatic feeding mechanism (2); The upper right side of the base (1) is equipped with a steel pipe inner wall rust removal mechanism (4) for removing rust from the inner wall of the steel pipe.

2. The rust-removing steel pipe straightening machine according to claim 1, characterized in that, The protective shell feeding assembly (21) includes a cylinder (211), a push plate (212), a connecting rod (213), an upper protective shell (214), and a lower protective shell (215). The lower end of the cylinder (211) is fixedly connected to the base (1), and the driving end of the cylinder (211) is fixedly connected to the push plate (212). The feeding platform (23) and the placement rack (24) are provided with multiple limiting grooves (216) in the vertical direction. The push plate (212) passes through the limiting grooves. The positioning chute (216) is limited and slidably connected to the feeding platform (23) and the placement frame (24); the left and right ends of the rear side of the push plate (212) are respectively hinged to one end of the two connecting rods (213) through the rotating shaft, and the other end of the two connecting rods (213) is hinged to the left and right ends of the upper protective shell (214) through the rotating shaft. The rear end of the upper protective shell (214) is rotatably connected to the lower protective shell (215) through the rotating shaft, and the lower protective shell (215) is fixedly connected to the base (1).

3. The rust-removing steel pipe straightening machine according to claim 2, characterized in that, The straightening and feeding assembly (22) includes a second cylinder (221), a second pusher plate (222), and a conical positioning plate (223); the lower end of the second cylinder (221) is fixedly connected to the upper left rear side of the base (1), the driving end of the second cylinder (221) is fixedly connected to the second pusher plate (222), the second pusher plate (222) is slidably connected to the upper protective shell (214) and the lower protective shell (215), and the conical positioning plate (223) is fixedly connected to the right end of the lower protective shell (215).

4. The rust-removing steel pipe straightening machine according to claim 3, characterized in that, The steel pipe straightening mechanism (3) includes a steel pipe fixing ring (31), a V-shaped straightening wheel (32), and a housing (33). The housing (33) is located on the right side of the conical positioning plate (223). The lower end of the housing (33) is fixedly connected to the upper end of the base (1). Steel pipe fixing rings (31) for fixing the radial position of the steel pipe are fixedly installed on both the left and right ends of the housing (33). Multiple sets of V-shaped straightening wheels (32) for straightening the steel pipe are horizontally installed inside the housing (33). Each set of V-shaped straightening wheels (32) includes two V-shaped straightening wheels (32). The two V-shaped straightening wheels (32) are symmetrically arranged on the inner wall of the housing (33) and fixedly connected to the housing (33).

5. The rust-removing steel pipe straightening machine according to claim 4, characterized in that, The steel pipe fixing ring (31) is a detachable structure, so as to facilitate the replacement of steel pipes of different sizes to suit different pipe diameters.

6. The rust-removing steel pipe straightening machine according to claim 1, characterized in that, The steel pipe inner wall rust removal mechanism (4) includes a sandblasting rust removal component (41), a feeding component (42), and a base plate (43); the lower right end of the base plate (43) is rotatably connected to the upper right end of the base (1) via a rotating shaft, the sandblasting rust removal component (41) is connected to the upper end of the base plate (43), and the lower left end of the base plate (43) is connected to the feeding component (42); a straight plate is fixedly connected to the upper right end of the base plate (43).

7. The rust-removing steel pipe straightening machine according to claim 6, characterized in that, The sandblasting and rust removal assembly (41) includes a sandblasting head (411), a fixed column (412), and an arc-shaped fixed plate (413). The right end of the fixed column (412) is fixedly connected to the left side of the straight plate connected to the upper end of the base plate (43). The sandblasting head (411) is fixedly connected to the left end of the fixed column (412). The sandblasting head (411) is connected to a pressure tank and a sand storage tank through a hose. The hose passes through the fixed column (412) and the base plate (43) to the right. An arc-shaped fixed plate (413) for supporting the steel pipe is fixedly installed on the upper left side of the base plate (43).

8. The rust-removing steel pipe straightening machine according to claim 7, characterized in that, The feeding assembly (42) includes a cylinder three (421) and a sensing block (422). The lower end of the cylinder three (421) is hinged to the upper end of the base (1), and the driving end of the cylinder three (421) is hinged to the lower left side of the base plate (43). The sensing block (422) is fixedly installed on the left side of the straight plate connected to the upper end of the base plate (43). A feeding groove (423) for sliding the steel pipe is provided on the base (1). The feeding groove (423) is located to the left of the cylinder three (421).

Citation Information

Patent Citations

  • Building steel pipe rust removal and paint spraying device with straightening function and straightening method thereof

    CN113058774A