CN217839194U

CN217839194U - Electrochemical polishing device

Info

Publication number: CN217839194U
Application number: CN202221349213.1U
Authority: CN
Inventors: 向城; 刁宇新; 叶知春
Original assignee: Dongguan Jintaiyang Precision Technology Co ltd
Current assignee: Dongguan Jintaiyang Precision Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-18
Anticipated expiration: 2032-05-31

Abstract

The utility model belongs to the technical field of burnishing device technique and specifically relates to indicate an electrochemical polishing device, it includes stock solution box, slewing mechanism and work piece positioning mechanism, and the stock solution box is provided with the opening, and slewing mechanism includes upset seat, two pivots and two pivot seats, and work piece positioning mechanism installs the platform is placed including rotary power component and work piece to upset seat, work piece positioning mechanism, and the upset seat can drive the work piece is placed the platform and is overturned to vertical state by the horizontality. The workpiece is placed on the workpiece placing table, the turnover seat is turned over to enable the workpiece placing table to drive the workpiece to be turned over from a horizontal state to a vertical state and extend into the opening, at the moment, one side edge of the workpiece is immersed into the electrolyte in the liquid storage box, after one side edge is electrochemically polished, the rotary power element drives the workpiece to rotate to the second side edge to continue to perform electrochemical polishing, electrochemical polishing of each side edge of the workpiece is achieved, the workpiece does not need to be dismounted again, and operation efficiency is improved.

Description

Electrochemical polishing device

Technical Field

The utility model belongs to the technical field of burnishing device technique and specifically relates to indicate an electrochemical polishing device.

Background

The electrochemical polishing machine is a machine device for achieving brightness and smoothness of a metal surface through regular dissolution. During the electrochemical polishing process, the surface of the steel part forms a passive oxide film continuously and the oxide film dissolves continuously, and the former is stronger than the latter. Because of the microscopic inconsistency of the surface of the part, the microscopic convex part on the surface is dissolved preferentially, and the dissolving rate is greater than that of the concave part; and the dissolution of the film and the formation of the film are always carried out simultaneously, but the speed is different, so that the surface roughness of the steel part is leveled, and a smooth and bright surface is obtained. The existing electrochemical polishing machine can only directly immerse workpieces into electrolyte for electrochemical polishing, but some workpieces are not required to be entirely immersed into the electrolyte, such as a middle frame of a mobile phone, and only four side edges are required to be electrochemically polished, while the existing polishing machine cannot realize electrochemical polishing only on the four side edges of the workpieces.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an electrochemical polishing device that can accomplish each side electrochemical polishing of work piece by a material loading.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides an electrochemical polishing device, includes stock solution box, slewing mechanism and work piece positioning mechanism, the stock solution box is provided with the opening, slewing mechanism includes upset seat, two pivots and two pivot seats, the upset seat is located two between the pivot seat, two the pivot is connected respectively the both ends of upset seat, the pivot with the pivot seat rotates to be connected, work piece positioning mechanism installs the upset seat, work piece positioning mechanism includes that rotary power component and work piece place the platform, the platform is placed to the work piece the rotatory end of rotary power component, the upset seat can drive the work piece is placed the platform and is overturn to vertical state by the horizontality.

Preferably, work piece positioning mechanism still includes pressure sensors, bottom plate, mount pad and first power component, rotatory power component is installed on the pressure sensors, the pressure sensors is installed the bottom plate, bottom plate sliding connection the mount pad, first power component is installed the mount pad, first power component is used for the drive the bottom plate is in reciprocating motion on the mount pad, the pressure sensors with first power component electricity is connected.

Preferably, the turnover seat comprises four side plates, the four side plates are enclosed into a hollow rectangle, two of the side plates are respectively connected with the two rotating shafts, and the workpiece positioning mechanism is connected with one of the side plates.

Preferably, the device also comprises a power supply, the liquid storage box is provided with an electrode plate, the cathode of the power supply is connected with the electrode plate, and the anode of the power supply is connected with the workpiece placing table.

Preferably, the overflow box is arranged on one side wall of the liquid storage box, an overflow port is formed in the side wall of the liquid storage box, which is connected with the overflow box, the overflow box is provided with a liquid overflow discharge port, and the liquid storage box is provided with a water filling port and a slag removal discharge port.

Preferably, the workpiece placing table includes an adsorption block and an air hole provided in the adsorption block.

The beneficial effects of the utility model reside in that:

the utility model provides an electrochemical polishing device, including stock solution box, slewing mechanism and work piece positioning mechanism, the stock solution box is provided with the opening, slewing mechanism is including upset seat, two pivots and two pivot seats, the upset seat is located two between the pivot seat, two the pivot is connected respectively the both ends of upset seat, the pivot with the pivot seat rotates to be connected, work piece positioning mechanism installs the upset seat, work piece positioning mechanism includes that rotary power component and work piece place the platform, the work piece is placed the platform and is installed rotary power component's rotatory end, the upset seat can drive the work piece is placed the platform and is overturn to vertical state by the horizontality. The workpiece is placed on the workpiece placing table, the turnover seat is turned over to enable the workpiece placing table to drive the workpiece to be turned over from a horizontal state to a vertical state and extend into the opening, at the moment, one side edge of the workpiece is immersed into the electrolyte in the liquid storage box, after one side edge is electrochemically polished, the rotary power element drives the workpiece to rotate to the second side edge to continue electrochemical polishing, electrochemical polishing of all side edges of the workpiece is achieved, re-assembly and re-disassembly are not needed, and operation efficiency is improved.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic perspective view of another perspective view of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the middle workpiece positioning mechanism of the present invention.

Detailed Description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention.

As shown in fig. 1 to 3, an electrochemical polishing apparatus includes a liquid storage box 1, a rotating mechanism 2 and a workpiece positioning mechanism 3, wherein the liquid storage box 1 is provided with an opening 11, the rotating mechanism 2 includes a turning seat 24, two rotating shafts 21 and two rotating shaft seats 22, the turning seat 24 is located between the two rotating shaft seats 22, the two rotating shafts 21 are respectively connected to two ends of the turning seat 24, the rotating shafts 21 are rotatably connected to the rotating shaft seats 22, the workpiece positioning mechanism 3 is installed on the turning seat 24, the workpiece positioning mechanism 3 includes a rotating power element 31 and a workpiece placing table 32, the workpiece placing table 32 is installed at a rotating end of the rotating power element 31, and the turning seat 24 can drive the workpiece placing table 32 to be turned from a horizontal state to a vertical state.

In practical operation, the electrochemical polishing apparatus of this embodiment places a workpiece on the workpiece placing table 32, the turnover seat 24 is turned over to make the workpiece placing table 32 drive the workpiece to turn over from a horizontal state to a vertical state and extend into the opening 11, at this time, one side of the workpiece is immersed in the electrolyte of the liquid storage box 1 for electrochemical polishing, after one side of the workpiece is electrochemically polished, the rotating power element 31 drives the workpiece placing table 32 to rotate, so that the other side of the workpiece is immersed in the electrolyte of the liquid storage box 1, and the rotating power element 31 continuously drives the workpiece placing table 32 to rotate, so that each side of the workpiece is electrochemically polished.

In this embodiment, the workpiece positioning mechanism 3 further includes a pressure sensor 33, a bottom plate 34, a mounting seat 35, and a first power element 36, the rotary power element 31 is mounted on the pressure sensor 33, the pressure sensor 33 is mounted on the bottom plate 34, the bottom plate 34 is slidably connected to the mounting seat 35, the first power element 36 is mounted on the mounting seat 35, the first power element 36 is configured to drive the bottom plate 34 to reciprocate on the mounting seat 35, and the pressure sensor 33 is electrically connected to the first power element 36.

When the electrochemical polishing of each side of the workpiece is completed, and if the polishing of each side of the workpiece is required, the pressure sensor 33 can detect the compensation distance, so that the first power element 36 moves the workpiece further toward or away from the grinding head. Specifically, when the grinding head is in contact with a workpiece for polishing, the workpiece is stressed and is transmitted to the pressure sensor 33, the pressure sensor 33 converts the received force into an electric signal for output, the processor analyzes the electric signal to obtain a compensation value, and the first power element 36 drives the bottom plate 34 to move according to the compensation value, so that the workpiece is further close to or far away from the grinding head, and the quality of grinding and polishing is ensured.

In this embodiment, the turning seat 24 includes four side plates 23, the four side plates 23 enclose a hollow rectangle, two of the side plates 23 are respectively connected to the two rotating shafts 21, and the workpiece positioning mechanism 3 is connected to one of the side plates 23. One of the rotating shaft seats 22 is provided with a motor for driving the rotating shaft 21 to rotate, and the workpiece positioning mechanism 3 is located in a rectangular hollow space surrounded by the side plates 23, so that the installation stability of the workpiece positioning mechanism 3 is ensured.

In this embodiment, the device further comprises a power supply, the liquid storage box 1 is provided with an electrode plate 12, a cathode of the power supply is connected with the electrode plate 12, and an anode of the power supply is connected with the workpiece placing table 32. The liquid storage box 1 is formed by welding polyvinyl chloride hard plates. The electrode plate 12 (cathode bar) is hung on the liquid storage box 1 and connected with a power supply cathode (negative electrode). The rotating shaft 21 of the rotating power element 31 is an anode rod connected with a power source anode (or positive electrode). When the workpiece is placed on the workpiece placing table 32 and contacts the electrolytic polishing liquid in the liquid storage box 1, the workpiece and the electrode plate 12 form a loop, metal ions separated from the workpiece and phosphoric acid in the polishing liquid form a layer of phosphate film to be adsorbed on the surface of the workpiece, and the film is thin at the bulge and thick at the recess, is dissolved quickly due to high current density at the bulge, flows along with the film, is concave and convex continuously changed, and is leveled off the rough surface gradually.

In this embodiment, the overflow box 4 is further included, the overflow box 4 is disposed on a side wall of the liquid storage box 1, an overflow opening 41 is disposed on a side wall of the liquid storage box 1 connected to the overflow box 4, the overflow box 4 is provided with a liquid overflow outlet, and the liquid storage box 1 is provided with a water filling opening and a slag removal outlet. The overflow box 4 is used for receiving the electrolyte flowing in from the overflow port 41 and outputting the electrolyte from the full-liquid discharge port, so that the electrolyte is prevented from overflowing from the liquid storage box 1 due to the fact that the workpiece is immersed in the electrolyte.

In this embodiment, the work placing table 32 includes an adsorption block 37 and an air hole provided in the adsorption block 37. The workpiece is placed on the adsorption block 37, and then electrochemical polishing and mechanical grinding polishing are performed through the air hole suction.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of that feature, and as used in the description of the invention, "a plurality" means two or more unless otherwise explicitly specified.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The above-mentioned embodiments only express a plurality of embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. Electrochemical polishing device, its characterized in that: including stock solution box (1), slewing mechanism (2) and work piece positioning mechanism (3), stock solution box (1) is provided with opening (11), slewing mechanism (2) are including upset seat (24), two pivot (21) and two pivot seats (22), upset seat (24) are located two between pivot seat (22), two pivot (21) are connected respectively the both ends of upset seat (24), pivot (21) with pivot seat (22) rotate to be connected, work piece positioning mechanism (3) are installed upset seat (24), work piece positioning mechanism (3) place platform (32) including rotatory power component (31) and work piece, the work piece is placed platform (32) and is installed the rotatory end of rotatory power component (31), upset seat (24) can drive the work piece is placed platform (32) and is turned over to vertical state by the horizontality.

2. The electrochemical polishing apparatus according to claim 1, wherein: workpiece positioning mechanism (3) still includes pressure sensors (33), bottom plate (34), mount pad (35) and first power component (36), install rotatory power component (31) on pressure sensors (33), install pressure sensors (33) bottom plate (34), bottom plate (34) sliding connection mount pad (35), install first power component (36) mount pad (35), first power component (36) are used for the drive bottom plate (34) are in reciprocating motion on mount pad (35), pressure sensors (33) with first power component (36) electricity is connected.

3. The electrochemical polishing apparatus according to claim 1, wherein: the turnover seat (24) comprises four side plates (23), the four side plates (23) are enclosed into a hollow rectangle, the two side plates (23) are respectively connected with the two rotating shafts (21), and the workpiece positioning mechanism (3) is connected with one side plate (23).

4. The electrochemical polishing apparatus according to claim 1, wherein: still include the power, electrode plate (12) are installed in stock solution box (1), the negative pole of power is connected electrode plate (12), the positive pole of power is connected platform (32) is placed to the work piece.

5. The electrochemical polishing apparatus according to claim 1, wherein: the overflow box (4) is arranged on one side wall of the liquid storage box (1), an overflow opening (41) is formed in the side wall, connected with the overflow box (4), of the liquid storage box (1), a liquid overflow outlet is formed in the overflow box (4), and a water filling opening and a slag removal outlet are formed in the liquid storage box (1).

6. The electrochemical polishing apparatus according to claim 1, wherein: the workpiece placing table (32) comprises an adsorption block (37) and an air hole arranged in the adsorption block (37).