CN219526862U - Cathode device for electropolishing stainless steel tube - Google Patents

Abstract

The utility model discloses a cathode device for electropolishing a stainless steel tube, which relates to the technical field of electropolishing processing and comprises a cathode body, wherein a processing assembly is sleeved on the outer surface of the cathode body, and a connecting and reinforcing assembly is arranged on the outer surface of the processing assembly. During electrolytic polishing, electrolyte flows along the inside of the steel pipe, is concentrated between the cathode and the anode of the steel pipe under the action of the plug when flowing through the cathode, and flows around the cathode at a high speed under the action of the guide vane. Under the action of pulse current, electrochemical products stripped from the anode metal material are taken away by the electrolyte flowing at high speed, and the electrochemical products comprise bubbles and heat generated in the electrolysis process.

Description

Cathode device for electropolishing stainless steel tube

Technical Field

The utility model relates to the technical field of electrolytic polishing processing, in particular to a cathode device for electrolytic polishing of a stainless steel tube.

Background

For electrolytic polishing of the steel pipe, the steel pipe is taken as an anode, a metal rod is taken as a cathode, electrolyte is filled in the steel pipe and keeps flowing, direct current is applied between the two electrodes, anode metal is selectively stripped, the aim of leveling the inner surface is fulfilled, and meanwhile, the corrosion resistance of the inner surface of the steel pipe is improved.

In the process of electropolishing steel pipes, there is a need to design a cathode device for electropolishing stainless steel pipes to solve the problems of low polishing efficiency of the inner surface of the steel pipes and inconsistent polishing effects at different locations.

Disclosure of Invention

The utility model aims to provide a cathode device for electropolishing a stainless steel pipe, which adopts the device to work, thereby solving the problems of low electropolishing efficiency of the inner surface of the steel pipe and inconsistent polishing effects of different parts in the background by adopting the machined cathode for electropolishing in the background.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the cathode device for electropolishing the stainless steel tube comprises a cathode body, wherein a processing assembly is sleeved on the outer surface of the cathode body, and a connecting and reinforcing assembly is arranged on the outer surface of the processing assembly;

the processing assembly comprises a conductive mechanism arranged at one end of the cathode body, a guide vane sleeved on the outer surface of the cathode body, and a plug embedded at the other end of the cathode body.

Preferably, through holes are formed in the two ends of the cathode body in a penetrating mode, spiral grooves are formed in the outer surface of the cathode body, threaded holes are formed in the outer surface of the cathode body, and support columns are connected with the internal threads of the threaded holes.

Preferably, the conductive mechanism comprises a conductive sheet welded at one end of the cathode body, the outer surface of the conductive sheet is provided with a through hole, the guide sheet is connected with the cathode body in a sleeved mode through a spiral groove, and the plug comprises a rear cone portion embedded in the through hole.

Preferably, the upper end of back cone portion is provided with preceding cone portion, and the upper surface of preceding cone portion is provided with the head, and the trompil has been seted up to the upper surface of head.

Preferably, the connection reinforcing component comprises positioning rods arranged on one side of the front cone part, two groups of positioning rods are arranged on the positioning rods, an open slot is formed in the outer surface of each positioning rod, and one end of each positioning rod is provided with a supporting rod in a sliding mode.

Preferably, one end of the abutting rod is provided with an anti-slip pad, the outer surface of the abutting rod is provided with a sliding block, the abutting rod is in sliding connection with the opening groove through the sliding block, and the abutting rod abuts against the outer surface of the front cone through the anti-slip pad.

Preferably, the outer surface of sliding block is provided with the slip ring, and the surface of slip ring runs through and is provided with the staple, and the staple is connected with the surface of locating lever through running through the slip ring, and the lower surface of locating lever is provided with the connecting rod, is provided with the solid ring of lantern ring between two sets of connecting rods, and the connecting rod is cup jointed with the one end of the negative pole body through the solid ring of lantern ring.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the cathode device for electropolishing the stainless steel tube, disclosed by the utility model, the arrangement of the cathode body, the spiral groove, the conducting strip, the guide strip and the plug realizes that the cathode slowly passes through the whole steel tube at a fixed speed by pulling a wire connected to the conducting strip through external equipment during electropolishing, so that the electropolishing duration of each position on the inner surface of the steel tube is consistent. During electrolytic polishing, electrolyte flows along the inside of the steel pipe (fills the inside of the steel pipe), is concentrated outside the cathode under the action of the plug when flowing through the cathode, and flows around the cathode at a high speed under the action of the guide vane. Under the action of pulse current, electrochemical products stripped from the anode metal material are taken away by high-speed flowing electrolyte, and the electrochemical products comprise bubbles and heat generated in the electrolysis process; meanwhile, the support columns and the guide plates ensure that the distance between the anode and the cathode is kept in a fixed range; the 'column winding' movement of the electrolyte under the action of the guide vane avoids the problem of electrolytic quality caused by the concentration of bubbles on the upper part.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a block diagram of a conductive mechanism according to the present utility model;

FIG. 3 is a block diagram of the present utility model;

fig. 4 is a structural view of the connection reinforcing assembly of the present utility model.

In the figure: 1. a cathode body; 11. a through hole; 12. a spiral groove; 13. a threaded hole; 131. a support column; 2. processing the assembly; 21. a conductive mechanism; 211. a conductive sheet; 2111. a through hole; 22. a deflector; 23. a plug; 231. a rear cone portion; 232. a front cone portion; 233. a head; 234. opening holes; 3. connecting a reinforcing component; 31. a positioning rod; 311. an open slot; 312. a tightening rod; 3121. an anti-slip pad; 3122. a sliding block; 313. a slip ring; 3131. a fastening nail; 314. a connecting rod; 315. and sleeving and fixing the ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings.

Referring to fig. 1, a cathode device for electropolishing stainless steel pipes according to the present utility model comprises a cathode body 1, wherein a processing assembly 2 is sleeved on the outer surface of the cathode body 1, and a connection reinforcing assembly 3 is arranged on the outer surface of the processing assembly 2.

The utility model is further described below with reference to examples.

Embodiment one:

referring to fig. 1-3, a cathode device for electropolishing stainless steel pipes, a processing assembly 2 comprises a conductive mechanism 21 arranged at one end of a cathode body 1 and a guide plate 22 sleeved on the outer surface of the cathode body 1, the processing assembly 2 further comprises a plug 23 embedded on the other end of the cathode body 1, one end of the cathode body 1 is provided with a through hole 11 in a penetrating way, the outer surface of the cathode body 1 is provided with a spiral groove 12, the outer surface of the cathode body 1 is also provided with a threaded hole 13, the inner thread of the threaded hole 13 is connected with a support column 131, the conductive mechanism 21 comprises a conductive mechanism 21 welded on one end of the cathode body 1, the conductive mechanism 21 comprises a conductive plate 211 welded on one end of the cathode body 1, the outer surface of the conductive plate 211 is provided with a through hole 2111, the guide plate 22 is connected with the cathode body 1 in a sleeved way through the spiral groove 12, the plug 23 comprises a rear cone 231 embedded in the through hole 11, the upper end of the rear cone 231 is provided with a front cone 232, the upper surface of the front cone 232 is provided with a head 233, the upper surface of the head 233 is provided with an opening 234, the cathode body 1 and the conductive plate 211 is made of conductive material, the guide plates 22, the guide plates 1 and the guide plates 22 are arranged on the inner surfaces of the cathode body 1 and the guide plates are in a coaxial line, the electrolytic fluid is coincident with the electrolytic fluid, and the electrolytic fluid is concentrated on the surface of the plug, and the cathode body is in the electrolytic fluid, the electrolytic fluid is in the flow, and the electrolytic fluid is in the flow; the shape of the head 233 and the front cone 232 ensures that the electrolyte and the cathode do not exert a severe force, and the rear cone 231 is used for embedding the cathode body 1; the opening 234 is used for discharging the residual electrolyte in the cathode after the electrolysis is finished, and the guide vane 22 is spirally arranged along the cathode body 1 to play a role of guiding so that bubbles generated by the electrolysis cannot be concentrated at the upper part. The length of the cathode is far smaller than that of the steel pipe, and when in electrolytic polishing, the lead connected to the conductive sheet 211 is pulled by external equipment, so that the cathode slowly passes through the whole steel pipe at a fixed speed, and the electrolytic polishing duration of each position of the inner surface of the steel pipe is ensured to be consistent. During electrolytic polishing, electrolyte flows along the inside of the steel pipe (fills the inside of the steel pipe), is concentrated between the cathode and the metal anode by the plug 23 when flowing through the cathode, and flows around the cathode at a high speed by the action of the deflector 22 at a high flow rate. Under the action of pulse current, electrochemical products stripped from the anode metal material are taken away by high-speed flowing electrolyte, and the electrochemical products comprise bubbles and heat generated in the electrolysis process; meanwhile, the support columns 131 and the guide plates 22 ensure that the cathode-anode spacing is kept within a fixed range; the "column-around" movement of the electrolyte under the action of the baffles 22 avoids the problem of electrolytic quality caused by the concentration of bubbles in the upper part.

Embodiment two:

referring to fig. 4, a cathode device for electropolishing stainless steel tube, a connection reinforcing component 3 includes a locating rod 31 disposed at one side of a front cone 232, the locating rod 31 is provided with two groups, an opening slot 311 is provided at the outer surface of the locating rod 31, one end of the locating rod 31 is slidably provided with a tightening rod 312, one end of the tightening rod 312 is provided with a non-slip pad 3121, the outer surface of the tightening rod 312 is provided with a sliding block 3122, the tightening rod 312 is slidably connected with the opening slot 311 through the sliding block 3122, the tightening rod 312 is abutted against the outer surface of the front cone 232 through the non-slip pad 3121, a sliding ring 313 is provided at the outer surface of the sliding block 3122, a fastening nail 3131 is provided at the outer surface of the sliding ring 313 and is connected with the outer surface of the locating rod 31, a connecting rod 314 is provided at the lower surface of the locating rod 31 through the sliding ring 313, a sleeve joint fixing ring 315 is provided between the two groups of connecting rods 314, one end of the connecting rod 314 is connected with the cathode body 1 through the sleeve joint fixing ring 315, during use, the sliding ring 313 drives the sliding block 3122 through the sliding ring 3122, the sliding block 312 is tightly abuts against the outer surface of the sliding block 312, the sliding block 312 is tightly abuts against the outer surface of the plug 23, and the outer surface of the plug is made to be more firmly screwed with the plug 23, the plug is made to be more convenient, and the plug is made to have a firm effect, and the effect is made to act on the plug is 23, and can be tightly connected with the outer surface 31.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Cathode assembly for electropolishing stainless steel tubes, comprising a cathode body (1), characterized in that: the outer surface of the cathode body (1) is sleeved with a processing assembly (2), and the outer surface of the processing assembly (2) is provided with a connecting and reinforcing assembly (3);

the processing assembly (2) comprises a conductive mechanism (21) arranged at one end of the cathode body (1) and a guide vane (22) sleeved on the outer surface of the cathode body (1), and the processing assembly (2) further comprises a plug (23) embedded at the other end of the cathode body (1).

2. A cathode assembly for electropolishing stainless steel tubing as defined in claim 1, wherein: through holes (11) are formed in the two ends of the cathode body (1) in a penetrating mode, spiral grooves (12) are formed in the outer surface of the cathode body (1), threaded holes (13) are formed in the outer surface of the cathode body (1), and support columns (131) are connected with the internal threads of the threaded holes (13).

3. A cathode assembly for electropolishing stainless steel tubing as defined in claim 2 wherein: the conductive mechanism (21) comprises a conductive sheet (211) welded at one end of the cathode body (1), a through hole (2111) is formed in the outer surface of the conductive sheet (211), the guide sheet (22) is connected with the cathode body (1) in a sleeved mode through the spiral groove (12), and the plug (23) comprises a rear cone portion (231) embedded in the through hole (11).

4. A cathode assembly for electropolishing stainless steel tubing according to claim 3, wherein: the upper end of back cone (231) is provided with preceding cone (232), and the upper surface of preceding cone (232) is provided with head (233), and trompil (234) have been seted up to the upper surface of head (233).

5. A cathode assembly for electropolishing stainless steel tubing as defined in claim 4 wherein: the connecting reinforcement assembly (3) comprises positioning rods (31) arranged on one side of the front cone portion (232), the positioning rods (31) are provided with two groups, the outer surfaces of the positioning rods (31) are provided with open grooves (311), and one ends of the positioning rods (31) are provided with abutting rods (312) in a sliding mode.

6. A cathode assembly for electropolishing stainless steel tubing as defined in claim 5, wherein: one end of the abutting rod (312) is provided with a non-slip mat (3121), the outer surface of the abutting rod (312) is provided with a sliding block (3122), the abutting rod (312) is in sliding connection with the opening groove (311) through the sliding block (3122), and the abutting rod (312) abuts against the outer surface of the front cone part (232) through the non-slip mat (3121).

7. A cathode assembly for electropolishing stainless steel tubing as defined in claim 6, wherein: the outer surface of sliding block (3122) is provided with slip ring (313), and the surface of slip ring (313) runs through and is provided with mounting anchor (3131), and mounting anchor (3131) are connected with the surface of locating lever (31) through running through slip ring (313), and the lower surface of locating lever (31) is provided with connecting rod (314), is provided with lantern ring solid ring (315) between two sets of connecting rods (314), and connecting rod (314) are connected with one end of cathode body (1) through lantern ring solid ring (315) cup joints.