Constant-temperature pickling box

Abstract

The invention discloses a constant-temperature pickling box, and belongs to the field of pickling equipment, the constant-temperature pickling box comprises a box body with an open upper end, a water outlet is formed in the lower part of the box body, a temperature control mechanism is arranged in the box body, lifting parts are oppositely arranged in the box body, the lifting parts move in the vertical direction, and a support is arranged at the upper end of each lifting part; a connecting rod is arranged on the support and moves in the length direction of the cross beam. The material frame comprises a cross beam, stand columns are arranged at the lower end of the cross beam at intervals in the length direction, and placing beams are arranged on the side walls of the stand columns in the width direction of the cross beam. The invention aims to provide the constant-temperature pickling box which can control the temperature of the acid liquor in the pickling box and improve the pickling effect and efficiency.

Description

Technical Field

[0001] This invention relates to the field of pickling equipment, specifically a constant temperature pickling box. Background Technology

[0002] When processing metal pipes, in order to remove oil stains and other impurities from their surface and passivate the pipe surface, the pipes after welding and other processes are placed in an acid pickling tank for acid pickling treatment.

[0003] During the pickling process, the acid solution temperature is relatively low in the early stage due to factors such as room temperature. At this time, the acid activity is low, which slows down the pickling reaction rate and reduces the pickling efficiency. In the middle and later stages, a large amount of heat is generated due to the chemical reaction between the acid solution and the pipe surface and the operation of the ultrasonic generator. Excessive temperature will accelerate the evaporation of the acid solution, resulting in a decrease in the concentration of the acid solution in the pickling tank, which may affect the pickling effect. Summary of the Invention

[0004] The purpose of this invention is to address the above problems by providing a constant temperature pickling chamber that can control the temperature of the acid solution inside the chamber, thereby improving the pickling effect and efficiency.

[0005] To achieve the above objectives, the present invention employs a constant-temperature pickling tank, comprising an open-topped tank body with a drain outlet at the bottom. A temperature control mechanism is installed inside the tank body to adjust the temperature of the acid solution, thereby improving the pickling effect and efficiency. Lifting units are arranged opposite each other inside the tank body, moving vertically. Supports are located at the upper end of the lifting units, positioned on both sides of a material rack. Connecting rods are mounted on the supports, moving along the length of a crossbeam. The material rack includes a crossbeam, with columns spaced at intervals along its length at the lower end. Placement beams are mounted on the side walls of the columns along the width of the crossbeam.

[0006] Furthermore, the temperature control mechanism includes a temperature regulating tube, with both ends of the temperature regulating tube extending out of the housing and communicating with the temperature control device respectively; the temperature regulating tube is coiled on the inner wall of the housing to increase the contact area between the temperature regulating tube and the acid solution, thereby improving the temperature control effect and efficiency.

[0007] Furthermore, the support is provided with a support part for lifting the material rack. The crossbeam of the support part moves along the length direction to drive the material rack to rise and fall, thereby reducing the labor intensity of the workers.

[0008] Furthermore, the support moves along the width of the beam, and the connecting rod extends into the pipe. When the support moves, the pipe can be shaken, which can shake off rust and other substances on the pipe, improving the pickling effect and increasing pickling efficiency.

[0009] Furthermore, the upper end of the placement beam is provided with an arc-shaped groove that matches the connecting rod, so as to ensure that the position of the pipe matches the position of the connecting rod, thereby ensuring that the connecting rod can extend into the pipe.

[0010] Furthermore, the connecting rod is connected to the piston rod of the linear drive device. The cylinder of the linear drive device is housed within the base. One side of the base is rotatably connected to its corresponding support, while the other side is fixedly connected to its corresponding support. The connecting rod on this side is rotatably connected to the piston rod, and a limit plate is provided below the connecting rod on this side. The limit plate allows the connecting rod to swing downwards. When the heights of the two supports are different, the pipeline tilts accordingly, facilitating the discharge of impurities such as acid and rust from within the pipeline.

[0011] Furthermore, a baffle is provided on the outside of the connecting rod on the fixed connection side of the base and the support to limit the distance the pipe slides down.

[0012] Furthermore, to facilitate the hoisting of the material rack, support beams are provided at intervals along the length of the crossbeam, and both ends of the support beams extend out of the crossbeam along the width of the crossbeam. A card seat that cooperates with the support beam is provided at the upper end of the side wall of the box, and the card seat is provided with a card slot.

[0013] Furthermore, the outer end of the placement beam is provided with an upwardly extending anti-fall section, the upper surface of which is higher than the upper surface of the placement beam, thereby minimizing the risk of the pipe falling off the placement beam.

[0014] Furthermore, the lower end of the column is provided with a placement part, which can effectively prevent the material rack from tipping over when it is placed on the ground outside the trough, above the lifting part, or on the ground.

[0015] The beneficial effects of this invention are as follows: During pickling, the temperature of the acid solution inside the tank is controlled by a temperature control mechanism to avoid excessively high or low temperatures, thereby improving the pickling effect and efficiency. Simultaneously, the pipes to be pickled are placed on the placement beam of the material rack. When the material rack is hoisted into the pickling tank, the pipes are immersed below the liquid surface for pickling. After pickling is completed, the material rack is hoisted out, allowing the pipes to rise from the acid solution along with the rack. At this point, workers can quickly collect the pickled pipes, thus improving work efficiency. Attached Figure Description

[0016] Figure 1 This is a side view of the structure of the present invention.

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the box.

[0018] Figure 3 This is a top view of the box structure.

[0019] Figure 4 This is a schematic diagram of the mounting structure of the base.

[0020] Figure 5 This is a side view of the material rack structure.

[0021] Figure 6 for Figure 5 Schematic diagram of the structure on the right.

[0022] The text labels in the diagram represent: 1. Box body; 2. Drain outlet; 3. Lifting part; 4. Support; 5. Connecting rod; 6. Crossbeam; 7. Column; 8. Placement beam; 9. Temperature regulating pipe; 10. Support part; 11. Arc-shaped groove; 12. Base; 13. Limiting plate; 14. Baffle; 15. Support beam; 16. Card seat; 17. Fall protection part; 18. Placement part; 19. Ultrasonic generator; 20. Lifting motor; 21. Pipe; 22. Pushing mechanism; 23. Pushing part. Detailed Implementation

[0023] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of the present invention in any way.

[0024] Example 1, such as Figures 1-6 As shown, the specific structure of this embodiment is as follows: a constant temperature pickling chamber, comprising an open-top chamber 1. The side walls of the chamber 1 have a double-layer structure and are hollow inside to achieve heat insulation and other effects, further ensuring production safety. An ultrasonic generator 19 can be installed on the side walls of the chamber 1 to improve pickling efficiency and effect. A drain outlet 2 is provided at the bottom of the chamber 1, and a valve is installed at the drain outlet 2. A temperature control mechanism is provided inside the chamber 1, which can be a combination of an electric heating element and a cooler. In this embodiment, the temperature control mechanism includes a temperature regulating pipe 9, with its two ends serving as an inlet and an outlet, respectively. The inlet and outlet extend out of the chamber and are connected to a temperature control device, which can be an oil temperature controller, a water temperature controller, or a water tank or pool for storing liquids such as water. The temperature regulating pipe 9 is coiled on the inner wall of the chamber 1.

[0025] Lifting units 3 are arranged opposite each other inside the housing 1. The lifting units 3 move vertically under the action of linear drive mechanisms such as hydraulic cylinders and linear modules. In this embodiment, the lifting units 3 are located at both ends along the length of the housing 1. A sliding groove is provided on the inner side wall of the housing 1. The lifting units 3 are keyed to the sliding grooves. A lead screw and a guide post are provided in the sliding grooves. The lead screw is threadedly connected to the lifting unit 3, and the guide post is slidably connected to the lifting unit 3. One end of the lead screw is connected to the lifting motor 20. The lifting part 3 is installed on the outside of the box 1. The upper end of the lifting part 3 is provided with a support 4. The support 4 is provided with a support part 10 for lifting the material rack. The support part 10 moves along the length of the crossbeam 6. For this purpose, a hydraulic cylinder, electric push rod and other driving parts can be provided in the support 4. The cylinder of the driving part is set in a sealed housing. The piston rod passes through the shaft seal on the housing and is connected to the support part 10. The upper end surface of the support part 10 is higher than the upper end surface of the lifting part 3, so that the support part 10 can be higher than the upper end surface of the box 1, thereby more safely catching the material rack.

[0026] A connecting rod 5 is provided on the support 4. The connecting rod 5 moves along the length of the crossbeam 6. Before the material rack sinks into the acid solution, the connecting rod 5 extends into the pipe 21.

[0027] The material rack includes a crossbeam 6. In this embodiment, the crossbeam 6 is arranged in the same direction as the box body 1. Columns 7 are spaced apart along the length of the lower end of the crossbeam 6. A placement part 18 is provided at the lower end of each column 7. The outer diameter of the placement part 18 is smaller than the internal dimensions of the box body 1. The placement part 18 can be a planar frame structure welded from multiple pipes to reduce the weight of the material rack and facilitate submersion below the liquid surface in the box body 1. Placement beams 8 are provided on the sidewalls of the columns 7 along the width of the crossbeam. Multiple placement beams 8 can be arranged vertically. An upwardly extending anti-fall part 17 is provided at the outer end of each placement beam 8, with the upper surface of the anti-fall part 17 higher than the upper surface of the placement beam 8. Support beams 15 are spaced apart along the length of the crossbeam 6, extending along the width of the crossbeam 6. A card seat 16 that mates with the support beams 15 is provided at the upper end of the sidewall of the box body 1. The card seat 16 has a slot, which is an arc shape with its center facing upwards.

[0028] Specific working process: Pickling solution is injected into the tank 1. At this time, the temperature-adjusting liquid, which has been regulated by the oil temperature controller and water temperature controller, enters the temperature-adjusting pipe 9 through the liquid inlet and then returns to the temperature control device through the liquid outlet. During this process, the temperature-adjusting liquid and the pickling solution exchange heat, so that the pickling solution can quickly reach the pickling temperature.

[0029] Meanwhile, the staff placed multiple pipes 21 to be cleaned onto different placement beams 8, and then used a crane to hook the support beam 15 to lift the material rack above the box 1. At this time, the lifting part 3 rises and the support part 10 moves into the inside of the box, so that the support part 10 supports the lower end of the placement part 18. Then the crane releases the support beam 15, and the material rack descends with the lifting part until the end of the support beam 15 is in the slot of the card seat 16. Then the support part 10 retracts and resets to release contact with the placement part 18.

[0030] Pipe 21 is immersed in acid solution for pickling. During the pickling process, heat is carried away by a temperature-regulating liquid to keep the temperature of the acid solution within a constant range.

[0031] After pickling is completed, the material rack is removed from the box 1, thereby achieving the purpose of removing multiple pipes at once and improving pickling efficiency.

[0032] Example 2, as Figures 1-6 As shown, the other structures and working processes of this embodiment are the same as in Embodiment 1. However, in this embodiment, a linear drive device is provided on the support 4. The piston rod of the linear drive device moves along the length direction of the housing 1. The linear drive device can be an electric push rod, a cylinder, etc. The cylinder body of the linear drive device is located inside the base 12. For ease of description, Figure 1 Support 4 on the left is named the high side support. Figure 1 The support 4 on the right side is named the low-side support. The high-side support has a through hole along the length of the housing 1. The base 12 is located in the through hole and is rotatably connected to the high-side support through a rotating shaft. The connection point is close to the inside of the housing 1. The end of the base 12 connected to the high-side support on the inside of the housing 1 is an arc. The center of the arc is collinear with the axis of the rotating shaft. The axis of the rotating shaft is in the same direction as the width of the housing 1. In this way, when the two supports are level, the base 12 on the high-side support is held in place by the bottom wall of the through hole, thus ensuring that the base 12 is in a horizontal state. At the same time, the top wall of the through hole limits the swing angle of the base 12. When the height of the high-side support is higher than that of the low-side support, the base 12 can swing. When the two supports are aligned again, the base 12 automatically returns to a horizontal state due to gravity. The base 12 connected to the higher support has a counterweight at its outer end, and a damping mechanism is provided at the rotatable connection. These features ensure that the base on the higher support will not swing when the two supports are aligned. The lower support is fixedly connected to the base 12 by bolts, etc. The piston rod of the linear drive device is connected to the connecting rod 5. The number and position of the connecting rods 5 match the pipe 21 on the placement beam 8. The diameter of the connecting rod 5 is smaller than the inner diameter of the pipe 21. Therefore, the upper end of the placement beam 8 is provided with an arc-shaped groove 11 that matches the connecting rod 5.

[0033] The support 4 moves along the width direction of the crossbeam 6. For this purpose, the lifting part 3 is provided with a sliding groove along the width direction of the box 1. The sliding groove is preferably a dovetail groove, a T-shaped groove, etc. The lower end of the support 4 is adapted to the sliding groove. A pushing mechanism 22 is provided on the outer wall of the box 1. The pushing mechanism 22 can be a hydraulic cylinder, an electric push rod, etc. The piston rod of the pushing mechanism 22 passes through the shaft seal on the side wall of the box 1 and extends into the box 1 to connect with the pushing part 23.

[0034] The connecting rod 5 on the lower side support is rotatably connected to the piston rod of the linear drive device, and a limiting plate 13 is provided below the connecting rod 5 on this side piston rod. The limiting plate 13 is arranged along the length direction of the housing 1, thereby preventing the end of the connecting rod 5 on this side from swinging downward inside the housing 1. A baffle 14 is provided on the outside of the connecting rod 5 on the lower side support, and the baffle 14 abuts against the end face of the pipe 21.

[0035] Specific working process: Under the action of the linear drive device, the connecting rods 5 on both sides of the pipe 21 extend into the pipe 21 from both ends. The pipe 21, along with the lifting part 3, is immersed in the acid solution in the tank 1 for pickling. During the pickling process, the support part 10 does not contact the placement part 18. The pushing part 23 moves along the width direction of the tank 1 under the action of the pushing mechanism 22, thereby pushing the support 4 to move along the width direction of the tank 1. As the support 4 moves, the connecting rods 5 drive the pipe 21 to move, thereby improving the pickling efficiency.

[0036] During or after pickling, the support 10 returns to its original position to separate from the material rack. At this time, the material rack is supported by the clamp 16, and then the lifting part 3 on the higher side of the support rises to a certain height, thereby causing the pipe 21 to change from a horizontal to an inclined state. Figure 1 As shown, when the high side support 4 rises with the lifting part 3, the left side of the pipe 21 is higher than the right side. The baffle 14 abuts against the right end face of the pipe 21 to prevent the pipe 21 from getting stuck on the piston rod on the low side support side.

[0037] Under the influence of gravity, rust and other impurities inside pipe 21 move towards the lower side of pipe 21 until they are discharged from pipe 21. After pickling, the lifting parts 3 on both sides rise synchronously. Since pipe 21 is in an inclined state at this time, when pipe 21 floats out of the acid solution, the acid solution inside pipe 21 will flow out from the lower side of pipe 21, reducing the amount of acid solution remaining in pipe 21. After pipe 21 and material rack float out of the acid solution, the higher side support stops moving, while the lower side support continues to move upward until the supports on both sides are level again. At this time, pipe 21 returns to a horizontal state and is supported by the placement beam 8.

[0038] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only for the purpose of helping to understand the method and core ideas of the present invention. The above descriptions are only preferred embodiments of the present invention. It should be noted that due to the limitations of textual expression, there are objectively infinite specific structures. For those skilled in the art, several improvements, modifications, or changes can be made without departing from the principles of the present invention, and the above technical features can also be combined in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the inventive concept and technical solution to other situations without modification, should all be considered within the scope of protection of the present invention.

Claims

1. A thermostatic pickling tank comprising a tank body (1) with an open upper end, a drain (2) being provided in the lower part of the tank body (1), characterized in that The box (1) is provided with a temperature control mechanism, the box (1) is provided with a lifting part (3) oppositely, the lifting part (3) moves along the vertical direction, the lifting part (3) is provided with a support (4) on the upper end, the support (4) is divided into two sides of the material rack, the support (4) is provided with a connecting rod (5), the connecting rod (5) moves along the length direction of the crossbeam (6), the material rack includes a crossbeam (6), the crossbeam (6) is provided with a stand column (7) on the lower end along the length direction, the stand column (7) is provided with a placing beam (8) on the side wall along the width direction of the crossbeam.

2. The thermostatic pickling tank according to claim 1, wherein The temperature control mechanism includes a temperature regulating pipe (9), and the temperature regulating pipe (9) extends out of the box at both ends and is communicated with the temperature control device.

3. The constant temperature pickling tank according to claim 1, wherein The support (4) is provided with a supporting part (10) for lifting the material rack, and the supporting part (10) moves along the length direction of the crossbeam (6).

4. The constant temperature pickling tank according to claim 1, wherein The support (4) moves along the width direction of the crossbeam (6).

5. The constant temperature pickling tank according to claim 1, wherein The placing beam (8) is provided with an arc-shaped groove (11) matched with the connecting rod (5) on the upper end.

6. The constant temperature pickling tank according to claim 1, wherein The connecting rod (5) is connected with the piston rod of the linear drive device, the cylinder body of the linear drive device is arranged in the base (12), one side base (12) is rotatably connected with the support (4) on the same side, the other side base (12) is fixedly connected with the support (4) on the same side, and the connecting rod (5) on the same side is rotatably connected with the piston rod, and the piston rod is provided with a limiting plate (13) below the connecting rod (5).

7. The constant temperature pickling tank according to claim 6, wherein The outer side of the connecting rod (5) on the fixed connection side of the base (12) and the support (4) is provided with a baffle (14).

8. The constant temperature pickling tank according to claim 1, wherein The crossbeam (6) is provided with a supporting beam (15) on the length direction, the supporting beam (15) extends along the width direction of the crossbeam (6), the side wall of the box (1) is provided with a clamping seat (16) matched with the supporting beam (15), and the clamping seat (16) is provided with a clamping groove.

9. A thermostatic pickling tank according to any one of claims 1 to 8, characterized in that The outer side end of the placing beam (8) is provided with an upward extending anti-falling part (17).

10. The thermostatic pickling tank according to any one of claims 1 to 8, characterized in that The lower end of the stand column (7) is provided with a placing part (18).

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