CN221028699U - Seamless pipe pickling equipment - Google Patents

Abstract

The utility model discloses seamless pipe pickling equipment, which comprises a pickling tank, wherein a pickling cavity is arranged in the pickling tank, a cover plate is hinged to the pickling tank, a bearing plate is hinged to the lower side surface of the cover plate, a bearing assembly for bearing a seamless pipe is arranged on the bearing plate, a wire coil is arranged on an output shaft extending out of a motor in the pickling tank, a cable in the wire coil penetrates through the cover plate after being wound on two wire guide rollers and is fixed on the bearing plate, the cover plate can avoid excessive discharge of acid mist in the pickling process, the inner cover plate and the bearing plate are cooperatively controlled, and when a seamless pipe hung on the bearing plate enters the pickling cavity, the cover plate automatically seals the pickling cavity under the action of gravity without independent control, and the operation is simple; the seamless pipe hung on the bearing plate can be immersed into the pickling solution under the state of having an angle with the liquid level of the pickling solution, so that bubbles in the seamless pipe are avoided, the pickling effect is influenced, and the bearing plate can swing in the pickling cavity, so that the pickling effect is further improved.

Description

Seamless pipe pickling equipment

Technical Field

The utility model relates to the technical field of seamless tube pickling, in particular to a seamless tube pickling device.

Background

In the process of completing production and storing the seamless pipe, dust and greasy dirt can be stained on the surface of the seamless pipe, and oxide skin and rust can be formed, so that the seamless pipe needs to be subjected to acid washing treatment so as to improve the corrosion resistance and appearance quality of the steel pipe.

At present, the process of pickling the seamless pipe generally comprises the steps of horizontally placing the seamless pipe in a pickling solution, and immersing the seamless pipe in the pickling solution after the seamless pipe is horizontally submerged in a fixed table, wherein the seamless pipe is horizontally placed in the pickling solution, so that bubbles are easily generated between the pickling solution and the inner wall of the seamless pipe after the seamless pipe is submerged, the pickling effect is affected, and even if the seamless pipe in the equipment can rotate, the seamless pipe is kept in a horizontally placed state by the rotation, and the discharging effect of the bubbles in the seamless pipe is limited;

In addition, the existing pickling tanks are generally open, for example, the seamless steel pipe pickling equipment is open, and during the pickling process, the pickling solution volatilizes to pollute the working environment.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a seamless pipe pickling device which is used for solving the problems that in the existing seamless pipe pickling device, a seamless pipe is flatly submerged into pickling solution, bubbles are easy to generate in the seamless pipe, and the pickling effect is affected.

The utility model provides the following technical scheme: the seamless pipe pickling equipment comprises a pickling tank, wherein a pickling cavity with an upward opening is arranged in the pickling tank, a cover plate capable of closing the pickling cavity is hinged to the upper side surface of the pickling tank, a bearing plate is hinged to the lower side surface of the cover plate, and a bearing assembly for bearing a seamless pipe is arranged on the bearing plate; the right side of pickling tank has set firmly the motor, be equipped with the drum on the output shaft that extends in the motor, the upside of pickling tank and the upside of apron respectively are equipped with a wire roller, the cable in the drum is around two behind the wire roller run through the apron and be fixed in on the loading board.

Preferably, the bearing assembly comprises a bracket arranged on the lower side surface of the bearing plate, and the bracket is bent leftwards after extending downwards.

Preferably, the support is provided with a plurality of, the support comprises a longitudinal rod and a cross rod fixed at the lower end of the longitudinal rod, the cross rod is provided with two layers which are distributed up and down, and the cross rods of the upper layer and the lower layer are distributed in a front-back staggered way.

Preferably, the lower side of the cover plate is also hinged with a carriage, a through hole which is penetrated left and right to accommodate the cross rod is arranged in the carriage, and a control assembly for controlling the carriage is arranged on the bearing plate.

Preferably, the control assembly comprises two risers fixed on the lower side surface of the bearing plate, the risers are positioned on the front side and the rear side of the carriage, and bolts capable of being inserted into the risers are connected with the internal threads of the risers.

Preferably, the output shaft is provided with two wire coils and the cable which are distributed front and back.

The utility model provides seamless pipe pickling equipment, which has the following beneficial effects:

The cover plate is arranged on the pickling tank and used for shielding the pickling cavity so as to avoid excessive discharge of acid mist in the pickling process, and the inner cover plate and the bearing plate are cooperatively controlled, so that when a seamless pipe hung on the bearing plate enters the pickling cavity, the cover plate automatically seals the pickling cavity under the action of gravity, independent control is not needed, and the operation is simple;

The seamless pipe hung on the bearing plate can be immersed into the pickling solution under the state of having an angle with the liquid level of the pickling solution, so that bubbles in the seamless pipe are avoided, the pickling effect is influenced, and the bearing plate can swing in the pickling cavity, so that the pickling effect is further improved.

Drawings

FIG. 1 is a schematic view of the appearance of the present utility model;

FIG. 2 is a top view of the present utility model;

Fig. 3 is a front view of the present utility model.

In the figure:

11. A pickling tank; 12. a pickling cavity; 13. a cover plate; 14. a carrying plate; 15. wire coil; 16. a wire guide roller; 17. a bracket; 18. a carriage; 19. a riser; 21. a cable; 22. a motor; 101. and a carrying assembly.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model;

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-3, according to an embodiment of a seamless pipe pickling device of the present utility model, the seamless pipe pickling device comprises a pickling tank 11, a pickling cavity 12 with an upward opening is arranged in the pickling tank 11, pickling solution capable of pickling a seamless pipe is arranged in the pickling cavity 12, a cover plate 13 capable of closing the pickling cavity 12 is hinged to the upper side surface of the pickling cavity 12 so as to avoid excessive discharge of acid mist from the pickling solution, a bearing plate 14 is hinged to the lower side surface of the cover plate 13, a bearing assembly 101 for bearing the seamless pipe is arranged on the bearing plate 14, a motor 22 is fixedly arranged on the right side surface of the pickling tank 11, a wire coil 15 is arranged on an output shaft extending from the motor 22, a wire guide roller 16 is respectively arranged on the upper side surface of the pickling tank 11 and the upper side surface of the cover plate 13, and a wire 21 in the wire guide roller 15 is wound on the two wire guide rollers 16, penetrates through the cover plate 13 and is fixed on the bearing plate 14.

When feeding the seamless pipe, the cable 21 is in a straight state, the bearing plate 14 is pulled by the cable 21 to be attached to the cover plate 13 and is in an inclined state, the bearing plate 14 supports the cover plate 13, a worker can fix the seamless pipe on the bearing plate 14 through the bearing assembly 101, after the seamless pipe is fixed, the motor 22 controls the bearing plate 14 and the cover plate 13 to slowly drop, the cover plate 13 stops moving after the cover plate 13 is attached to the upper side surface of the pickling tank 11, and the bearing plate 14 continuously sinks, so that the seamless pipe on the bearing plate 14 can be submerged in pickling solution in the pickling chamber 12 and pickling is performed;

In addition, during the pickling process, the output shaft can rotate in the forward and reverse directions, so that the seamless pipe on the bearing plate 14 can vibrate in the pickling cavity 12, thereby better contacting with pickling solution and improving pickling efficiency.

In this embodiment, the carrying assembly 101 includes a bracket 17 disposed on the lower side of the carrying plate 14, where the bracket 17 extends downward and then bends left, that is, the bracket 17 is composed of a longitudinal rod and a transverse rod fixed at the lower end of the longitudinal rod, where a seamless pipe can be hung on the transverse rod, and the direction of the transverse rod extends leftward, so that the seamless pipe can be immersed in the pickling solution in an inclined state, and bubbles in the seamless pipe are avoided, so as to affect the contact between the seamless pipe and the pickling solution.

In addition, the support 17 is provided with a plurality of, the horizontal pole is provided with two-layer that distributes from top to bottom, and upper and lower two-layer horizontal pole front and back staggered distribution, so that can hang more seamless pipes on the loading board 14, increase the quantity of seamless pipe when single pickling, improve pickling efficiency.

In order to avoid the sliding of the seamless pipe on the bracket 17, a carriage 18 is hinged to the lower side surface of the cover plate 13, a through hole penetrating left and right to accommodate the cross rod is arranged in the carriage 18, a control component for controlling the carriage 18 is arranged on the bearing plate 14, the control component comprises two risers 19 fixed to the lower side surface of the bearing plate 14, the risers 19 are positioned on the front side and the rear side of the carriage 18, bolts capable of being inserted into the risers 19 are connected with internal threads of the risers 19, when the carriage 18 is perpendicular to the cross rod in the bracket 17, a worker can rotate the bolts and lock the angle of the carriage 18 at the moment, and at the moment, the carriage 18 is penetrated by the cross rod, the carriage 18 can block the seamless pipe hung on the bracket 17 and avoid sliding leftwards, and the same reason, when the carriage 18 is parallel to the bearing plate 14, the other carriage 18 can be screwed into the bolts 18, so that the worker can conveniently rotate the carriage 18 at the angle.

In order to increase the safety, the bearing plate 14 is prevented from falling when the cable 21 breaks, a groove is formed in the upper side surface of the pickling tank 11, a safety rod (not shown in the figure) can be inserted into the groove and the positioning groove in the lower side surface of the bearing plate 14, when the cover plate 13 is in an inclined state and performs seamless pipe feeding operation, a worker can insert the safety rod, a stable triangle is formed between the pickling tank 11, the safety rod and the bearing plate 14, and the bearing plate 14 is not only pulled by the cable 21, but also supported by the safety rod.

In addition, the output shaft is provided with two coils 15 and cables 21 which are distributed back and forth, so that the motion of the bearing plate 14 is stable, and the reliability is further increased.

The directions of the parts and the holes when the cover 13 is attached to the upper side of the pickling tank 11 are the left, right, left and right, and are different from fig. 1, and fig. 1 is a state in which the cover 13 is in an open state.

The above embodiments are merely illustrative embodiments of the present utility model, but the technical features of the present utility model are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the present utility model are included in the scope of the present utility model.

Claims (6)

1. Seamless pipe pickling equipment, including pickling bath (11), its characterized in that: an acid washing cavity (12) with an upward opening is arranged in the acid washing tank (11), a cover plate (13) capable of closing the acid washing cavity (12) is hinged to the upper side surface of the acid washing tank (11), a bearing plate (14) is hinged to the lower side surface of the cover plate (13), and a bearing assembly (101) for bearing a seamless pipe is arranged on the bearing plate (14); the right side of pickling tank (11) has set firmly motor (22), be equipped with drum (15) on the output shaft that extends in motor (22), the last side of pickling tank (11) and the last side of apron (13) respectively are equipped with one wire roller (16), cable (21) in drum (15) are around two behind wire roller (16) run through apron (13) and be fixed in on loading board (14).

2. A seamless tube pickling apparatus according to claim 1 wherein: the bearing assembly (101) comprises a bracket (17) arranged on the lower side surface of the bearing plate (14), and the bracket (17) bends leftwards after extending downwards.

3. A seamless tube pickling apparatus according to claim 2 characterised in that: the support (17) is provided with a plurality of, a plurality of supports (17) are formed by a longitudinal rod and a cross rod fixed at the lower end of the longitudinal rod, the cross rod is provided with two layers which are distributed up and down, and the cross rods of the upper layer and the lower layer are distributed in a front-back staggered mode.

4. A seamless tube pickling apparatus according to claim 3 characterised in that: the lower side of the cover plate (13) is also hinged with a carriage (18), a through hole which is communicated left and right to accommodate the cross rod is arranged in the carriage (18), and a control assembly for controlling the carriage (18) is arranged on the bearing plate (14).

5. A seamless tube pickling apparatus according to claim 4 wherein: the control assembly comprises two risers (19) fixed on the lower side face of the bearing plate (14), the risers (19) are located on the front side and the rear side of the carriage (18), and bolts capable of being inserted into the risers (19) are connected with the internal threads of the risers (19).

6. A seamless tube pickling apparatus according to claim 1 wherein: the output shaft is provided with two wire coils (15) and cables (21) which are distributed front and back.