Pickling device for precise steel pipe production

Abstract

The utility model relates to a pickling device for precise steel pipe production, and aims to solve the problems that after precise steel pipes are bundled through bandages at present, compact steel pipes are placed in the pickling device for pickling through a portal frame crane, and the bandages are inconvenient to be placed at the bottoms of the stacked precise steel pipes for bundling and hoisting the compact steel pipes due to stacking of the compact steel pipes; the precise steel pipe pickling device comprises a gantry rack and a pickling box, a lifting mechanism is arranged at the bottom of the gantry rack, a transverse plate is installed at the driving end of the lifting mechanism, and an adjusting mechanism is arranged at the bottom of the transverse plate. The precise steel pipe acid pickling device has the advantages that time and labor are saved when precise steel pipes are bundled and lifted, the precise steel pipe acid pickling efficiency is further improved, and the situation that personnel are injured when the precise steel pipes are bundled is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of precision steel pipe production, concretely to a pickling device for precision steel pipe production. BACKGROUND

[0002] Precision steel pipe is a kind of high-precision steel pipe material after cold drawing or hot rolling treatment, due to the advantages such as no oxidation layer inside and outside precision steel pipe, no leakage under high pressure, high precision, high smoothness, no deformation in cold bending, no crack in flaring and flattening, etc., precision seamless steel pipe needs to be pickled in the production process, pickling can remove the oxidation layer on the surface of steel pipe, which is convenient for subsequent deep processing.

[0003] The traditional precision steel pipe is bundled by a binding belt, and then the tight steel pipe is placed in the pickling tank by a gantry crane for pickling. Since the tight steel pipe is not convenient to stack, it is not easy to place the binding belt at the bottom of the stacked precision steel pipe for hoisting and bundling the tight steel pipe, which not only is time-consuming and laborious, affects the efficiency of precision steel pipe pickling, but also easily causes harm to personnel. Therefore, a new technical solution is needed to solve the problem. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the deficiency of prior art, adapting to the actual need, providing a pickling device for precision steel pipe production to solve the technical problem that the tight steel pipe is not convenient to stack, it is not easy to place the binding belt at the bottom of the stacked precision steel pipe for hoisting and bundling the tight steel pipe, which not only is time-consuming and laborious, affects the efficiency of precision steel pipe pickling, but also easily causes harm to personnel.

[0005] In order to realize the purpose of the utility model, the utility model adopts the technical scheme that a pickling device for precision steel pipe production is designed, which comprises a gantry frame and a pickling tank, the bottom of the gantry frame is provided with a lifting mechanism, the driving end of the lifting mechanism is installed with a horizontal plate, the bottom of the horizontal plate is provided with an adjusting mechanism, the driving end of the adjusting mechanism is provided with two cross bars, the bottom of each of the two cross bars is provided with a sliding groove, a bidirectional screw rod is rotatably connected between the inner cavities of the two sliding grooves, two sliding blocks are slidably connected in the two sliding grooves, the two sliding blocks on the same side are threadedly sleeved on the outer sides of the bidirectional screw rod, an L-shaped clamping block is installed at the bottom of each of the four sliding blocks, the inner side of the L-shaped clamping block is provided with an inclined surface, a first speed reducer is installed at the outer side of one end of each of the two cross bars, a first driving motor is installed at the input end of the first speed reducer, and the driving end of the first speed reducer is connected with the bidirectional screw rod.

[0006] Preferably, the adjusting mechanism comprises adjusting grooves opened on both sides of the bottom of the transverse plate, first lead screws rotatably connected in the two adjusting grooves, adjusting blocks slidably connected in the two adjusting grooves, the two adjusting blocks connected with the two horizontal rods respectively, and the two adjusting blocks threadedly sleeved on the outer sides of the two first lead screws, and the two ends of the transverse plate are provided with second driving motors, and the driving ends of the two second driving motors penetrate through the transverse plate and are connected with the two first lead screws respectively.

[0007] Preferably, the lifting mechanism comprises connecting blocks mounted on both sides of the gantry frame and a fixing block mounted at the middle of the two connecting blocks, driving shafts rotatably connected between the two connecting blocks and the fixing block, winding rollers mounted on the outer sides of the two driving shafts, traction ropes wound on the outer sides of the two winding rollers, one ends of the two traction ropes connected with the transverse plate, second speed reducers mounted on one ends of the two connecting blocks, third driving motors connected with the input ends of the two second speed reducers, and the driving ends of the two second speed reducers connected with the two driving shafts respectively.

[0008] Preferably, the outer sides of one ends of the two horizontal rods are fixedly connected with pull rods, and the two pull rods are fixedly connected with filter plates, and the bottoms of the two filter plates are on the same horizontal plane as the bottom of the L-shaped clamping block.

[0009] Preferably, the bottom of the gantry frame is provided with a base, the base is mounted on a sliding rail, and the sliding rail is provided with an electric sliding block connected with the bottom of the gantry frame.

[0010] Preferably, one side of the pickling tank is provided with a clean water tank, and the height of the clean water tank is on the same horizontal plane as the surface of the pickling tank.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The utility model discloses a lifting mechanism, a first driving motor, a first speed reducer, a bidirectional screw rod, a sliding groove, a sliding block, a transverse plate and an L-shaped clamping block are combined, the L-shaped clamping block is placed on the supporting surface and on the two sides of the precision steel pipe through the lifting mechanism, then the first driving motor is started to drive the bidirectional screw rod through the first speed reducer, so that the two L-shaped clamping blocks on the same side move towards each other and approach the precision steel pipe, the precision steel pipe is clamped between the two L-shaped clamping blocks through extrusion, then the precision steel pipe is lifted into the pickling tank through the lifting mechanism to be cleaned, so that the precision steel pipe is lifted up after being bound, time and labor are saved, the efficiency of precision steel pipe pickling is further improved, and personnel are prevented from being hurt when the precision steel pipe is bound.

[0013] 2. This utility model combines a second drive motor, an adjusting groove, an adjusting block, and a first lead screw. By starting the second drive motor, the first lead screw is driven to rotate, thereby adjusting the distance between the two crossbars, which facilitates the clamping of precision steel pipes of different lengths.

[0014] 3. This utility model combines a third drive motor, a second reducer, a winding roller, a drive shaft, a traction rope, a cross plate, and a filter plate. By synchronously starting the third drive motor and cooperating with the second reducer to drive the two winding rollers to rotate synchronously, the traction rope is wound and unwound synchronously, thereby raising and lowering the clamped precision steel pipe. When the two winding rollers rotate at different times, the traction rope pulls the cross plate to tilt, thereby tilting the clamped precision steel pipe. This allows the acid residue inside the precision steel pipe after pickling to be poured out. At the same time, the filter plate can block the precision steel pipe, preventing it from falling off the L-shaped clamping block without affecting the discharge of acid inside the precision steel pipe. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the bottom structure connecting the horizontal plate and the horizontal bar of this utility model;

[0017] Figure 3 This is an enlarged view of section A of this utility model.

[0018] In the diagram: 1. Gantry frame; 11. Connecting block; 12. Fixing block; 13. Drive shaft; 14. Take-up roller; 15. Traction rope; 16. Second reducer; 17. Third drive motor; 2. Horizontal plate; 21. Adjusting groove; 22. First lead screw; 23. Adjusting block; 24. Second drive motor; 3. Crossbar; 31. L-shaped clamping block; 32. Slide groove; 33. Slider; 34. Bidirectional lead screw; 35. First reducer; 36. First drive motor; 4. Tie rod; 41. Filter plate; 5. Pickling tank; 6. Clean water tank; 7. Base; 71. Slide rail; 72. Electric slider. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0020] Example 1: A pickling apparatus for precision steel pipe production, see [link to example]. Figures 1 to 3, including gantry frame 1 and pickling tank 5, the bottom of the gantry frame 1 is provided with lifting mechanism, the driving end of the lifting mechanism is installed with horizontal plate 2, the bottom of the horizontal plate 2 is provided with adjusting mechanism, the driving end of the adjusting mechanism is provided with two cross bars 3, the bottom of the two cross bars 3 is provided with a sliding groove 32, the inner cavity between the two sides of the two sliding grooves 32 is rotatably connected with a bidirectional screw rod 34, two sliding blocks 33 are slidably connected in the two sliding grooves 32, the same side two sliding blocks 33 are respectively threadedly sleeved on the outer sides of the bidirectional screw rod 34, the bottoms of the four sliding blocks 33 are all installed with L-shaped clamping blocks 31, and the inner sides of the L-shaped clamping blocks 31 are provided with inclined surfaces, the outer sides of the two cross bars 3 are both installed with first speed reducers 35, the input ends of the first speed reducers 35 are installed with first driving motors 36, the driving ends of the first speed reducers 35 are connected with the bidirectional screw rod 34, when working, the L-shaped clamping blocks 31 are placed on the supporting surface and on both sides of the precision steel pipe through the lifting mechanism, then the first driving motor 36 is started to drive the bidirectional screw rod 34 in cooperation with the first speed reducer 35, so that the same side two L-shaped clamping blocks 31 are driven to move towards each other to the precision steel pipe, so that the precision steel pipe is clamped between the two L-shaped clamping blocks 31 through extrusion, then the precision steel pipe is lifted into the pickling tank 5 through the lifting mechanism to be cleaned, so that the precision steel pipe is lifted more time-saving and labor-saving, the efficiency of precision steel pipe pickling is further improved, and personnel is prevented from being injured when the precision steel pipe is bundled.

[0021] Specifically, referring to Figure 2 , the adjusting mechanism comprises adjusting grooves 21 opened at the both sides of the bottom of the horizontal plate 2, first screw rods 22 are rotatably connected in the two adjusting grooves 21, adjusting blocks 23 are slidably connected in the two adjusting grooves 21, the two adjusting blocks 23 are respectively connected with the two cross bars 3, and the two adjusting blocks 23 are respectively threadedly sleeved on the outer sides of the two first screw rods 22, the two ends of the horizontal plate 2 are both installed with second driving motors 24, the driving ends of the two second driving motors 24 are both penetrated through the horizontal plate 2 and connected with the two first screw rods 22, the first screw rods 22 are driven to rotate through the starting of the second driving motor 24, so that the distance between the two cross bars 3 can be adjusted, and then the precision steel pipes with different lengths can be conveniently clamped.

[0022] Further, referring to Figure 1The lifting mechanism comprises connecting blocks 11 mounted on both sides of the gantry frame 1 and a fixed block 12 mounted at the middle of the two connecting blocks 11, the two connecting blocks 11 are rotatably connected with drive shafts 13, the outer sides of the two drive shafts 13 are each provided with a winding roller 14, the outer sides of the two winding rollers 14 are each wound with a traction rope 15, the traction rope 15 is a steel wire rope, one end of each of the two traction ropes 15 is connected with the horizontal plate 2, one end of each of the two connecting blocks 11 is provided with a second speed reducer 16, the input ends of the two second speed reducers 16 are each connected with a third driving motor 17, and the driving ends of the two second speed reducers 16 are connected with the two drive shafts 13 respectively, the third driving motor 17 is started synchronously to drive the two winding rollers 14 to rotate synchronously through the cooperation of the second speed reducers 16, so that the traction rope 15 is wound and unwound synchronously, and the clamped precision steel pipe is lifted, when the two winding rollers 14 rotate at different speeds, the traction rope 15 pulls the horizontal plate 2 to tilt, so that the clamped precision steel pipe tilts, and the residual acid liquid in the precision steel pipe after pickling can be poured out.

[0023] It is worth mentioning that, referring to Figure 1 , one end of the outer side of each of the two horizontal rods 3 is fixedly connected with a pull rod 4, the pull rod 4 is fixedly connected with a filter plate 41, and the bottom of the two filter plates 41 is on the same horizontal plane as the bottom of the L-shaped clamping block 31, when the precision steel pipe is washed to pour out the acid liquid, the filter plate 41 can block the precision steel pipe, preventing the precision steel pipe from falling off the L-shaped clamping block while not affecting the discharge of the acid liquid in the precision steel pipe.

[0024] It is worth noting that, referring to Figure 1 and Figure 3 , the bottom of the gantry frame 1 is provided with a base 7, the base 7 is provided with a sliding rail 71, the sliding rail 71 is provided with an electric sliding block 72, the electric sliding block 72 is connected with the bottom of the gantry frame 1, and the electric sliding block 72 is moved on the sliding rail 71, so that the gantry frame 1 is moved.

[0025] It is worth mentioning that, referring to Figure 1 , one side of the pickling tank 5 is provided with a clean water tank 6, the height of the clean water tank 6 is on the same horizontal plane as the surface of the pickling tank 5, through the setting of the clean water tank 6, the precision steel pipe with acid liquid can be conveniently washed, and corrosion of the precision steel pipe caused by residual acid liquid is avoided.

[0026] In addition, the components designed in the utility model are all general standard components or components known by those skilled in the art, the structure and principle of which can be known by technical personnel through a technical manual or through a conventional experimental method, and those skilled in the art can realize it, and it is needless to say, and the content protected by the utility model does not involve improvement of the internal structure and method.

[0027] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.

Claims

1. A pickling apparatus for precision steel pipe production, comprising a gantry frame (1) and a pickling tank (5), characterized in that, The bottom of the gantry frame (1) is provided with a lifting mechanism. A horizontal plate (2) is installed on the drive end of the lifting mechanism. An adjustment mechanism is provided at the bottom of the horizontal plate (2). Two horizontal bars (3) are provided at the drive end of the adjustment mechanism. A sliding groove (32) is opened at the bottom of each of the two horizontal bars (3). A two-way lead screw (34) is rotatably connected between the two sides of the inner cavity of each of the two sliding grooves (32). Two sliders (33) are slidably connected in each of the two sliding grooves (32). Each of the sliders (33) is threaded onto the outer sides of the bidirectional lead screw (34). Each of the four sliders (33) has an L-shaped clamping block (31) installed at its bottom. The inner side of the L-shaped clamping block (31) is set with an inclined surface. Each of the two crossbars (3) has a first reducer (35) installed at one end of its outer side. The input end of the first reducer (35) is equipped with a first drive motor (36). The drive end of the first reducer (35) is connected to the bidirectional lead screw (34).

2. The pickling apparatus for precision steel pipe production as described in claim 1, characterized in that, The adjustment mechanism includes adjustment slots (21) on both sides of the bottom of the horizontal plate (2). A first lead screw (22) is rotatably connected in each of the two adjustment slots (21). An adjustment block (23) is slidably connected in each of the two adjustment slots (21). The two adjustment blocks (23) are respectively connected to the two horizontal bars (3), and the two adjustment blocks (23) are respectively threaded on the outside of the two first lead screws (22). A second drive motor (24) is installed at both ends of the horizontal plate (2). The drive ends of the two second drive motors (24) pass through the horizontal plate (2) and are respectively connected to the two first lead screws (22).

3. The pickling apparatus for precision steel pipe production as described in claim 1, characterized in that, The lifting mechanism includes connecting blocks (11) installed on both sides of the gantry frame (1) and a fixing block (12) installed in the middle of the two connecting blocks (11). A drive shaft (13) is rotatably connected between the two connecting blocks (11) and the fixing block (12). A winding roller (14) is installed on the outer side of each of the two drive shafts (13). A traction rope (15) is wound around the outer side of each of the two winding rollers (14). One end of each of the two traction ropes (15) is connected to the cross plate (2). A second reducer (16) is installed on one end of each of the two connecting blocks (11). A third drive motor (17) is connected to the input end of each of the two second reducers (16). The drive ends of the two second reducers (16) are respectively connected to the two drive shafts (13).

4. The pickling apparatus for precision steel pipe production as described in claim 1, characterized in that, A pull rod (4) is fixedly connected to one end of each of the two crossbars (3), and a filter plate (41) is fixedly connected to each of the two pull rods (4). The bottom of the two filter plates (41) is on the same horizontal plane as the bottom of the L-shaped clamping block (31).

5. The pickling apparatus for precision steel pipe production as described in claim 1, characterized in that, The bottom of the gantry frame (1) is provided with a base (7), a slide rail (71) is installed on the base (7), an electric slider (72) is provided on the slide rail (71), and the electric slider (72) is connected to the bottom of the gantry frame (1).

6. The pickling apparatus for precision steel pipe production as described in claim 1, characterized in that, A clean water tank (6) is provided on one side of the pickling tank (5), and the height of the clean water tank (6) is at the same level as the surface of the pickling tank (5).

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