Workpiece surface pickling device for power iron accessory pretreatment

By combining a stainless steel water washing tank, workpiece rotation, and ultrasonic cleaning with a sealing protection mechanism, the problems of dead corner corrosion and acid leakage in the pretreatment of power iron accessories are solved, achieving efficient cleaning and leakage prevention.

CN224313663UActive Publication Date: 2026-06-02JIANGSU XINFU ELECTRIC POWER TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU XINFU ELECTRIC POWER TECH CO LTD
Filing Date
2025-06-25
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing pickling equipment for pretreatment of electrical iron accessories is difficult to effectively remove rust from the dead corners of complex structural parts, and the joints of the pickling tank are prone to corrosion and leakage.

Method used

The washing tank is made of stainless steel. It is combined with a workpiece placement mechanism to drive the workpiece rotation and an ultrasonic cleaning mechanism. Ultrasonic cleaning is used to remove rust from dead corners, and a sealing protection mechanism is used to prevent acid leakage. This mechanism includes fluororubber sealing rings and silicone sealing rings to form a continuous sealing layer.

Benefits of technology

It effectively removes dead corners from complex structural components, reduces the corrosion rate of acid and the risk of leakage, and improves cleaning efficiency and the durability of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224313663U_ABST
    Figure CN224313663U_ABST
Patent Text Reader

Abstract

This utility model relates to the field of iron accessory processing technology, and in particular to a workpiece surface pickling device for pretreatment of power iron accessories. The device includes: a water washing tank; a workpiece placement mechanism disposed on the water washing tank, the workpiece placement mechanism being used to drive the workpiece to rotate; a sealing and protection mechanism, with T-shaped mounting openings on both outer walls of the water washing tank, the sealing and protection mechanism being installed inside the T-shaped mounting openings; and an ultrasonic cleaning mechanism, the ultrasonic cleaning mechanism being installed inside the sealing and protection mechanism. The water washing tank is made of stainless steel and is an integrally welded molding component. This utility model cleans the workpiece by ultrasonic cleaning, which can remove dead-angle rust from complex structural parts. The device drives the workpiece to rotate through the workpiece placement mechanism, and the centrifugal force or shear force generated by the workpiece rotation can peel off mud and sludge from the workpiece surface, especially effective for complex structures such as holes and grooves.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of iron accessory processing technology, and in particular to a workpiece surface pickling device for pretreatment of power iron accessories. Background Technology

[0002] Power iron fittings are a general term for metal components used in power systems to support, connect, fix, and protect electrical equipment and transmit electrical energy. They are mostly made of metals such as iron and steel. Iron fittings are prone to rusting or forming oxide films during production, storage, or transportation. Pickling of power iron fittings is mainly to remove surface impurities and oxide films, thereby improving the quality of subsequent processing and product performance.

[0003] Existing pickling equipment for pretreatment of electrical iron accessories has some shortcomings: traditional mechanical grinding makes it difficult to remove rust from the dead corners of complex structural parts, and the connection points of components in traditional pickling tanks are prone to corrosion and leakage.

[0004] To address these issues, those skilled in the art have proposed a pickling apparatus for the surface of workpieces used in the pretreatment of power iron accessories. Utility Model Content

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0006] In view of the problems of difficult-to-remove dead corner rust of complex structural parts and easy corrosion of pickling tanks in the above or existing technologies, this utility model is proposed.

[0007] Therefore, the purpose of this utility model is to provide a pickling device for the surface of workpieces used in the pretreatment of electric iron accessories.

[0008] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a pickling device for the surface of workpieces for pretreatment of electric iron accessories, comprising a water washing tank;

[0009] The workpiece placement mechanism is provided on the water washing tank, and the workpiece placement mechanism is used to drive the workpiece to rotate.

[0010] A sealing and protective mechanism is provided, wherein T-shaped mounting openings are provided on both outer walls of the washing tank, and the sealing and protective mechanism is installed inside the T-shaped mounting openings; and,

[0011] An ultrasonic cleaning mechanism is installed inside the sealing and protection mechanism.

[0012] As a preferred embodiment of the pickling device for pretreatment of workpiece surfaces for electric iron accessories of this utility model, the water washing tank is made of stainless steel and is an integrally welded forming component.

[0013] As a preferred embodiment of the pickling device for pretreatment of workpiece surfaces for electric iron accessories of this utility model, the sealing protection mechanism includes a frame-shaped support plate, which is installed on the inner wall of the T-shaped mounting opening near the outer side. A rubber shock-absorbing pad is installed on the side wall of the frame-shaped support plate near the water washing tank. The rubber shock-absorbing pad is attached to the inner wall of the T-shaped mounting opening. A sealing component is provided on the side wall of the rubber shock-absorbing pad near the water washing tank.

[0014] As a preferred embodiment of the workpiece surface pickling device for pretreatment of electric railway accessories of this utility model, the sealing component includes a fluororubber sealing ring and a silicone sealing ring. Both the fluororubber sealing ring and the silicone sealing ring are fixed on the side wall of the rubber shock-absorbing pad. The silicone sealing ring is fixed on the inner wall of the T-shaped mounting port, and the fluororubber sealing ring is fixed on the inner wall of the silicone sealing ring.

[0015] As a preferred embodiment of the workpiece surface pickling device for pretreatment of electric iron accessories of this utility model, a stainless steel frame is fixedly installed inside the fluororubber sealing ring, and the ultrasonic cleaning mechanism is installed inside the rubber shock-absorbing pad and the stainless steel frame.

[0016] As a preferred embodiment of the workpiece surface pickling device for pretreatment of electric railway accessories of this utility model, the ultrasonic cleaning mechanism includes an ultrasonic generator, a stainless steel substrate and a piezoelectric ceramic transducer plate. The stainless steel substrate is snapped and fixed on the inner wall of the rubber shock-absorbing pad. The ultrasonic generator is installed on the outer wall of the stainless steel substrate. The piezoelectric ceramic transducer plate is installed on the side wall of the stainless steel substrate and snapped and fixed on the inner wall of the stainless steel frame.

[0017] As a preferred embodiment of the pickling device for pretreatment of electric iron accessories of this utility model, wherein: locking components are installed on both ends of the outer wall of the stainless steel frame near the upper end, and the locking components are installed on the inner wall of the water washing tank.

[0018] As a preferred embodiment of the pickling device for pretreatment of workpiece surface of electric iron accessories of this utility model, wherein: the locking assembly includes steel plates, two steel plates are fixedly installed on the outer wall of the stainless steel frame near both ends, a locking rod is inserted and fixed on the outer wall of the steel plate, one end of the locking rod is inserted into the interior of the water washing tank, a fixing sleeve is screwed on the outer wall of the locking rod, and the head of the fixing sleeve is covered with a corrosion-resistant rubber cap.

[0019] As a preferred embodiment of the pickling device for pretreatment of electric iron accessories of this utility model, a rectangular opening is provided on the outer wall of one side of the water washing tank near the bottom, and a drain pipe is provided on the inner wall of the rectangular opening.

[0020] As a preferred embodiment of the workpiece surface pickling device for pretreatment of electric iron accessories of this utility model, the workpiece placement mechanism includes a mounting frame, the mounting frame is installed on the outer wall of the water washing tank, a motor is installed on the top inner wall of the mounting frame, a transmission shaft is provided at the bottom end of the motor output shaft, a connecting frame is installed at the bottom end of the transmission shaft, and a hollow cylinder is installed at the bottom end of the connecting frame.

[0021] The beneficial effects of this utility model of a workpiece surface pickling device for pretreatment of electric iron accessories are as follows: The device cleans the workpiece by ultrasonic cleaning, which can remove dead corner corrosion of complex structural parts; the device drives the workpiece to rotate through the workpiece placement mechanism. When the workpiece is stationary, a relatively static acid boundary layer will form on its surface. The concentration of hydrogen ions in the boundary layer decreases due to the reaction consumption, resulting in a decrease in the corrosion rate. When the workpiece rotates, it drives the surrounding acid to flow, tearing the boundary layer and allowing fresh acid to continuously contact the workpiece surface, accelerating the chemical reaction between the oxide scale and the acid. The centrifugal force or shear force generated by the rotation of the workpiece can peel off the mud and sludge on the workpiece surface, which is especially effective for complex structures such as holes and grooves. The fluororubber sealing ring and the silicone sealing ring form a continuous sealing layer to prevent pickling solution leakage. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0023] Figure 1 This is a schematic diagram of the overall structure of a pickling device for the surface of workpieces used in the pretreatment of electric railway accessories.

[0024] Figure 2 A schematic diagram of the workpiece placement mechanism for a workpiece surface pickling device used in the pretreatment of electric railway accessories.

[0025] Figure 3 A schematic diagram of the internal structure of the water washing tank of a pickling device for the surface of workpieces used in the pretreatment of electric railway accessories.

[0026] Figure 4 This is a partial exploded view of a pickling device for the surface of workpieces used in the pretreatment of electric railway accessories. Detailed Implementation

[0027] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0028] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0030] Example 1

[0031] Reference Figure 1 , Figure 3 and Figure 4 This is the first embodiment of the present utility model. This embodiment provides a pickling device for the surface of workpieces for the pretreatment of electric iron accessories, which can achieve the effect of removing rust from dead corners of workpieces and avoiding the leakage of pickling solution. It includes a water washing tank 100.

[0032] The workpiece placement mechanism 200 is installed on the water washing tank 100 and is used to drive the workpiece to rotate.

[0033] The sealing protection mechanism 300 has T-shaped mounting openings 101 on both outer walls of the washing tank 100, and the sealing protection mechanism 300 is installed inside the T-shaped mounting openings 101; and,

[0034] An ultrasonic cleaning mechanism 400 is installed inside the sealing and protection mechanism 300.

[0035] Specifically, the washing tank 100 is made of stainless steel and is a one-piece welded molded component.

[0036] The workpiece to be processed is placed inside the workpiece placement mechanism 200, and then acid is poured into the washing tank 100 to cover the workpiece. Then, the ultrasonic cleaning mechanism 400 is activated to remove the dead corner corrosion of complex structural parts by ultrasonic cleaning. The workpiece placement mechanism 200 drives the workpiece to rotate, breaking the liquid boundary layer and enhancing the mass transfer efficiency through mechanical movement. Combined with the chemical corrosion and physical action of the acid, more uniform cleaning and peeling are achieved. The sealing and protection mechanism 300 can prevent acid leakage, thereby protecting the washing tank 100.

[0037] Furthermore, the sealing protection mechanism 300 includes a frame-shaped support plate 301, which is installed on the inner wall of the T-shaped mounting port 101 near the outer side. A rubber shock-absorbing pad 302 is installed on the side wall of the frame-shaped support plate 301 near the water washing tank 100. The rubber shock-absorbing pad 302 is attached to the inner wall of the T-shaped mounting port 101, and a sealing component is provided on the side wall of the rubber shock-absorbing pad 302 near the water washing tank 100.

[0038] The rubber shock-absorbing pad 302 has a buffering and protective effect. During the operation of the ultrasonic cleaning mechanism 400, a certain amplitude of vibration will be generated. The impact on the water washing tank 100 is reduced by the rubber shock-absorbing pad 302. Ultrasonic vibration can generate cavitation effect, peel off the adhering substances on the surface of the workpiece, and at the same time accelerate the penetration of acid solution and reduce the consumption of acid solution concentration.

[0039] The sealing assembly includes a fluororubber sealing ring 304 and a silicone sealing ring 305. Both the fluororubber sealing ring 304 and the silicone sealing ring 305 are fixed on the side wall of the rubber damping pad 302. The silicone sealing ring 305 is fixed on the inner wall of the T-shaped mounting port 101, and the fluororubber sealing ring 304 is fixed on the inner wall of the silicone sealing ring 305.

[0040] The fluororubber sealing ring 304 has a stainless steel frame 303 fixedly installed inside it, and the ultrasonic cleaning mechanism 400 is installed inside the rubber shock-absorbing pad 302 and the stainless steel frame 303.

[0041] During use, the silicone sealing ring and the 304 fluororubber sealing ring provide a sealing effect, and the double-layer waterproof structure provides better leak prevention.

[0042] Example 2

[0043] Reference Figure 1 , Figure 3 and Figure 4 This is the second embodiment of the present invention. Unlike the previous embodiment, the ultrasonic cleaning mechanism 400 includes an ultrasonic generator 401, a stainless steel substrate 402, and a piezoelectric ceramic transducer plate 403. The stainless steel substrate 402 is snapped and fixed on the inner wall of the rubber shock-absorbing pad 302. The ultrasonic generator 401 is installed on the outer wall of the stainless steel substrate 402. The piezoelectric ceramic transducer plate 403 is installed on the side wall of the stainless steel substrate 402 and snapped and fixed on the inner wall of the stainless steel frame 303.

[0044] Specifically, locking components are installed on both ends of the outer wall of the stainless steel frame 303 near the top, and the locking components are installed on the inner wall of the washing tank 100.

[0045] Furthermore, the locking assembly includes steel plates 3031. Two steel plates 3031 are fixedly installed on the outer wall of the stainless steel frame 303 near both ends. A locking rod 3033 is inserted and fixed on the outer wall of the steel plates 3031. One end of the locking rod 3033 is inserted into the interior of the washing tank 100. A fixing sleeve 3032 is screwed onto the outer wall of the locking rod 3033. The head of the fixing sleeve 3032 is covered with a corrosion-resistant rubber cap.

[0046] During use, the ultrasonic generator 401 generates a high-frequency electrical signal, which drives the piezoelectric ceramic transducer plate 403 on the surface of the stainless steel substrate 402 to vibrate, converting electrical energy into mechanical energy. This generates high-frequency mechanical vibration waves in the cleaning fluid. As the vibration waves propagate in the liquid, they form countless tiny vacuum bubbles. These bubbles collapse rapidly under positive pressure, and the impact force of the collapsing bubbles can instantly peel off rust, oil, oxide scale, and other deposits from the surface of the workpiece, even penetrating into crevices and blind holes. This removes rust, oxide film, and other contaminants from the surface of the electric iron accessory workpiece, facilitating subsequent galvanizing and other processing.

[0047] Example 3

[0048] Reference Figures 1 to 4 This is the third embodiment of the present invention. Unlike the previous embodiment, a rectangular opening is provided on the outer wall of the washing tank 100 near the bottom, and a drain pipe 102 is provided on the inner wall of the rectangular opening.

[0049] Specifically, the workpiece placement mechanism 200 includes a mounting frame 201, which is mounted on the outer wall of the washing tank 100. A motor 202 is mounted on the top inner wall of the mounting frame 201. A transmission shaft 203 is provided at the bottom of the output shaft of the motor 202. A connecting frame 204 is mounted at the bottom of the transmission shaft 203. A hollow cylinder 205 is mounted at the bottom of the connecting frame 204.

[0050] When in use, place the electric iron accessory inside the hollow cylinder 205, start the motor 202 to drive the hollow cylinder 205 and the workpiece to rotate at a constant speed. When the workpiece rotates, it drives the surrounding acid liquid to flow, tearing the boundary layer and allowing fresh acid liquid to continuously contact the workpiece surface, accelerating the chemical reaction between the oxide scale and the acid liquid. The centrifugal force or shear force generated by the rotation of the workpiece can peel off the mud and sludge on the workpiece surface, which is especially effective for complex structures such as holes and grooves.

[0051] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0052] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A pickling device for the surface of workpieces used in the pretreatment of electric power iron accessories, characterized in that: include, Washing tank (100); A workpiece placement mechanism (200) is provided on the washing tank (100), and the workpiece placement mechanism (200) is used to drive the workpiece to rotate; A sealing protection mechanism (300) is provided, wherein T-shaped mounting openings (101) are provided on both outer walls of the washing tank (100), and the sealing protection mechanism (300) is installed inside the T-shaped mounting openings (101); and, An ultrasonic cleaning mechanism (400) is installed inside the sealing protection mechanism (300).

2. The pickling device for pretreatment of workpiece surfaces for electric railway accessories as described in claim 1, characterized in that: The washing tank (100) is made of stainless steel and is an integrally welded molded component.

3. The pickling device for pretreatment of workpiece surfaces for electric railway accessories as described in claim 2, characterized in that: The sealing protection mechanism (300) includes a frame-type support plate (301), which is installed on the inner wall of the T-shaped mounting port (101) near the outer side. A rubber shock-absorbing pad (302) is installed on the side wall of the frame-type support plate (301) near the washing tank (100). The rubber shock-absorbing pad (302) is attached to the inner wall of the T-shaped mounting port (101). A sealing component is provided on the side wall of the rubber shock-absorbing pad (302) near the washing tank (100).

4. The pickling device for pretreatment of workpiece surfaces for electric railway accessories as described in claim 3, characterized in that: The sealing assembly includes a fluororubber sealing ring (304) and a silicone sealing ring (305). Both the fluororubber sealing ring (304) and the silicone sealing ring (305) are fixed on the side wall of the rubber damping pad (302). The silicone sealing ring (305) is fixed on the inner wall of the T-shaped mounting port (101), and the fluororubber sealing ring (304) is fixed on the inner wall of the silicone sealing ring (305).

5. The pickling device for pretreatment of workpiece surfaces for electric railway accessories as described in claim 4, characterized in that: A stainless steel frame (303) is fixedly installed inside the fluororubber sealing ring (304), and the ultrasonic cleaning mechanism (400) is installed inside the rubber shock-absorbing pad (302) and the stainless steel frame (303).

6. The pickling device for pretreatment of workpiece surfaces for electric railway accessories as described in claim 5, characterized in that: The ultrasonic cleaning mechanism (400) includes an ultrasonic generator (401), a stainless steel substrate (402), and a piezoelectric ceramic transducer plate (403). The stainless steel substrate (402) is snapped and fixed on the inner wall of the rubber shock-absorbing pad (302). The ultrasonic generator (401) is installed on the outer wall of the stainless steel substrate (402). The piezoelectric ceramic transducer plate (403) is installed on the side wall of the stainless steel substrate (402). The piezoelectric ceramic transducer plate (403) is snapped and fixed on the inner wall of the stainless steel frame (303).

7. The pickling device for pretreatment of workpiece surfaces for electric railway accessories as described in claim 6, characterized in that: Locking components are installed on the outer wall of the stainless steel frame (303) near the upper two ends, and the locking components are installed on the inner wall of the washing tank (100).

8. The pickling apparatus for pretreatment of workpiece surfaces for electric railway accessories as described in claim 7, characterized in that: The locking assembly includes steel plates (3031), two steel plates (3031) are fixedly installed on the outer wall of the stainless steel frame (303) near both ends, and locking rods (3033) are inserted and fixed on the outer wall of the steel plates (3031). One end of the locking rod (3033) is inserted into the interior of the washing tank (100), and a fixing sleeve (3032) is screwed onto the outer wall of the locking rod (3033). The head of the fixing sleeve (3032) is covered with a corrosion-resistant rubber cap.

9. The pickling device for pretreatment of workpiece surfaces for electric railway accessories as described in claim 8, characterized in that: A rectangular opening is provided on one side of the outer wall of the washing tank (100) near the bottom, and a drain pipe (102) is provided on the inner wall of the rectangular opening.

10. The pickling device for pretreatment of workpiece surfaces for electric railway accessories as described in claim 9, characterized in that: The workpiece placement mechanism (200) includes a mounting frame (201), which is mounted on the outer wall of the washing tank (100). A motor (202) is mounted on the top inner wall of the mounting frame (201). A transmission shaft (203) is provided at the bottom end of the output shaft of the motor (202). A connecting frame (204) is mounted at the bottom end of the transmission shaft (203). A hollow cylinder (205) is mounted at the bottom end of the connecting frame (204).