CN210458423U

CN210458423U - Nickel-titanium alloy electrochemical polishing device

Info

Publication number: CN210458423U
Application number: CN201921498239.0U
Authority: CN
Inventors: 李明; 林华; 夏松; 周小超; 甘伟
Original assignee: West Anhui University
Current assignee: West Anhui University
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-05-05
Anticipated expiration: 2029-09-10

Abstract

The utility model relates to the field of chemical polishing, in particular to a nickel-titanium alloy electrochemical polishing device, which comprises a base, a supporting upright post, a supporting beam and an electric cabinet; a motor in the vertical direction is installed on the base, and a rotating seat which rotates around a central shaft in the horizontal direction is coaxially fixed at the upper end of an output shaft of the motor; the rotary seat comprises a supporting disk, a guide plate and a plurality of limiting bulges, the guide plate is fixed on the edge of the upper surface of the supporting disk to form an annular structure, and the plurality of limiting bulges are fixed on the upper surface of the supporting disk; an electrolytic tank in clearance fit with the inner wall of the guide plate is arranged on the supporting disk. The utility model discloses a roating seat that sets up makes the electrolysis trough put on it follow its rotation, and inside liquid and work piece relative movement break away from the work piece surface that can be quick with workpiece surface's oxide film and solute in the liquid flow in-process, improve polishing efficiency.

Description

Nickel-titanium alloy electrochemical polishing device

Technical Field

The utility model relates to a chemical polishing technical field specifically is a nickel titanium alloy electrochemical polishing device.

Background

Electrochemical polishing is a surface treatment technology developed in recent decades, and aims to improve the microscopic geometry of a metal surface and reduce the microscopic roughness of the metal surface. The principle of electrochemical polishing is that a metal workpiece is used as an anode in a certain electrolyte, and two mutually contradictory processes (namely, the generation and dissolution of an oxide film on the surface of the metal) are carried out simultaneously, so that the roughness of the surface of the metal workpiece is reduced, the brightness of the surface of the metal workpiece is improved, and a certain metal luster is generated.

The existing chemical polishing device has a simple structure, and water flow in the polishing process is static, so that the polishing efficiency is reduced, and particularly, the separation of a metal oxide film on the surface is not convenient, therefore, the existing chemical polishing device needs to be improved, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nickel titanium alloy electrochemical polishing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a nickel-titanium alloy electrochemical polishing device comprises a base, a support upright post, a support cross beam and an electric cabinet; the supporting upright post is vertically and fixedly arranged on the upper surface of the base, the supporting cross beam is horizontally fixed on the top end of the supporting upright post, and the supporting cross beam is positioned above the base; the electric cabinet is fixedly arranged on the base; a motor in the vertical direction is installed on the base, a rotating seat which rotates around a central shaft in the horizontal direction is coaxially fixed at the upper end of an output shaft of the motor, and the motor drives the rotating seat to rotate; the rotary seat comprises a supporting disk, a guide plate and a plurality of limiting bulges, the guide plate is fixed on the edge of the upper surface of the supporting disk to form an annular structure, and the plurality of limiting bulges are fixed on the upper surface of the supporting disk; an electrolytic cell in clearance fit with the inner wall of the guide plate is placed on the supporting disk, a mounting groove matched with the limiting protrusion is formed in the position, corresponding to the limiting protrusion, of the bottom of the electrolytic cell, the electrolytic cell is placed on the supporting disk and then extends into the mounting groove through the limiting protrusion, the position of the electrolytic cell is limited, the electrolytic cell can synchronously rotate along with the rotating seat, and liquid in the electrolytic cell can move along with the rotating seat; a vertical lifting cylinder is fixedly mounted on a supporting beam corresponding to the upper part of the electrolytic bath, the output end of the lifting cylinder is upwards fixedly connected with a vertical connecting rod coaxial with the electrolytic bath, a placing frame is fixedly mounted at the lower end of the connecting rod, a workpiece to be polished is placed on the placing frame, an anode is connected onto the placing frame, electrochemical polishing is realized, and the placing frame is driven to lift by the lifting cylinder so as to be immersed into liquid in the electrolytic bath; a hanging frame is fixed on the supporting beam, a connecting steel wire is hung on the hanging frame, the lower end of the connecting steel wire extends into the electrolytic bath, and a cathode bar is fixed on the end part of the connecting steel wire.

Further: the supporting disk is of a circular disk structure.

Further: the height of the guide plate is 8-12 mm.

Further: the limiting protrusion is of a cylinder structure, and the height of the limiting protrusion is lower than the upper end face of the guide plate.

Further: the limiting bulge is of a cylindrical structure.

Further: the cover is equipped with the lantern ring that moves on vertical direction on the connecting rod, and adjusting bolt is installed to the screw thread on one side of the lantern ring, can fix the lantern ring on the connecting rod, is fixed with horizontally horizontal connecting rod on one side in addition of the lantern ring, is fixed with the vertical stirring structure that can stretch into the electrolysis trough downwards on the horizontal connecting rod, rotates through the electrolysis trough, makes the stirring structure stir inside liquid, improves the mobility of inside liquid.

Further: the stirring structure is a sheet structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model enables the electrolytic tank placed on the rotary seat to rotate along with the rotary seat, the liquid in the electrolytic tank and the workpiece move relatively, and the oxide film and the solute on the surface of the workpiece can be quickly separated from the surface of the workpiece in the flowing process of the liquid, thereby improving the polishing efficiency; stirring structure that can adjust from top to bottom stirs inside liquid, realizes quick polishing, improves production efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a nickel-titanium alloy electrochemical polishing apparatus.

FIG. 2 is a schematic view of a rotary table in an electrochemical polishing apparatus for nickel-titanium alloy.

FIG. 3 is a schematic diagram of an electrolytic cell in an electrochemical nickel-titanium alloy polishing apparatus.

In the figure: 1-base, 2-support column, 3-support beam, 4-rotary seat, 41-support plate, 42-guide plate, 43-limit projection, 5-electrolytic cell, 6-lifting cylinder, 7-connecting rod, 8-placing rack, 9-cathode bar, 10-hanging rack, 11-connecting steel wire, 12-lantern ring, 13-horizontal connecting rod, 14-adjusting bolt, 15-stirring structure, 16-electric cabinet, 17-motor, 18-mounting groove.

Detailed Description

Example 1

Referring to the drawings, in the embodiment of the present invention, an electrochemical nickel-titanium alloy polishing apparatus includes a base 1, a support column 2, a support beam 3 and an electric cabinet 16; the supporting upright post 2 is vertically and fixedly arranged on the upper surface of the base 1, the supporting cross beam 3 is horizontally fixed on the top end of the supporting upright post 2, and the supporting cross beam 3 is positioned above the base 1; the electric cabinet 16 is fixedly arranged on the base 1.

A motor 17 in the vertical direction is installed on the base 1, and a rotating seat 4 which rotates around a central shaft in the horizontal direction is coaxially fixed at the upper end of an output shaft of the motor 17 and is driven to rotate by the motor 17; the rotating seat 4 comprises a supporting disc 41, a guide plate 42 and a limiting bulge 43, the supporting disc 41 is of a circular disc structure, the guide plate 42 is fixed on the edge of the upper surface of the supporting disc 41 to form an annular structure, and the height of the guide plate 42 is 8-12 mm; a plurality of limiting protrusions 43 are fixed on the upper surface of the supporting disk 41, the limiting protrusions 43 are in a cylindrical structure, preferably, a cylindrical structure is adopted, and the height of the limiting protrusions 43 is lower than the upper end surface of the guide plate 42; the electrolytic cell 5 which is in clearance fit with the inner wall of the guide plate 42 is placed on the supporting disc 41, the position of the corresponding limiting bulge 43 on the bottom of the electrolytic cell 5 is provided with a mounting groove 18 which is matched with the limiting bulge 43, the electrolytic cell 5 is placed on the supporting disc 41 and then extends into the mounting groove 18 through the limiting bulge 43, the position of the electrolytic cell is limited, the electrolytic cell is enabled to synchronously rotate along with the rotary seat 4, and the liquid inside the electrolytic cell can move along with the liquid.

A vertical lifting cylinder 6 is fixedly mounted on the supporting beam 3 corresponding to the upper part of the electrolytic bath 5, the output end of the lifting cylinder 6 is upwards fixedly connected with a vertical connecting rod 7 coaxial with the electrolytic bath 5, the lower end of the connecting rod 7 is fixedly provided with a placing frame 8, a workpiece to be polished is placed on the placing frame 8, the placing frame 8 is connected with an anode to realize electrochemical polishing, and the placing frame 8 is driven to lift by the lifting cylinder 6 to be immersed into the liquid of the electrolytic bath 5; a hanging rack 10 is fixed on the supporting beam 3, a connecting steel wire 11 is hung on the hanging rack 10, the lower end of the connecting steel wire 11 extends into the electrolytic bath 5, and a cathode bar 9 is fixed on the end part of the connecting steel wire.

When carrying out the electrochemistry polishing, make circular telegram in negative pole stick 9 and the rack 8, in stretching into electrolysis trough 5 downwards through lift cylinder 6 drive rack 8, motor 17 starts simultaneously, drives electrolysis trough 5 and rotates, makes inside liquid flow, and liquid and the work piece in the rack 8 produce relative movement, and the oxidation film and the solute on workpiece surface can be quick breaks away from workpiece surface, improves polishing efficiency.

Example 2

On the basis of embodiment 1, the cover is equipped with the lantern ring 12 that moves on vertical direction on the connecting rod 7, and threaded mounting has adjusting bolt 14 on one side of lantern ring 12, can fix lantern ring 12 on connecting rod 7, is fixed with horizontally horizontal connecting rod 13 on the other side of lantern ring 12, is fixed with vertical stirring structure 15 that can stretch into in electrolysis trough 5 downwards on the horizontal connecting rod 13, and stirring structure 15 is the sheet structure, rotates through electrolysis trough 5, makes stirring structure 15 stir the liquid of inside, improves the mobility of inside liquid.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A nickel-titanium alloy electrochemical polishing device comprises a base (1), a supporting upright post (2), a supporting cross beam (3) and an electric cabinet (16); the supporting upright posts (2) are vertically and fixedly arranged on the upper surface of the base (1), the supporting cross beam (3) is horizontally fixed on the top ends of the supporting upright posts (2), and the electric cabinet (16) is fixedly arranged on the base (1); the device is characterized in that a motor (17) in the vertical direction is installed on the base (1), and a rotating seat (4) rotating around a central shaft in the horizontal direction is coaxially fixed at the upper end of an output shaft of the motor (17); the rotary seat (4) comprises a supporting disk (41), a guide plate (42) and limiting bulges (43), the guide plate (42) is fixed on the edge of the upper surface of the supporting disk (41) to form a ring-shaped structure, and the plurality of limiting bulges (43) are fixed on the upper surface of the supporting disk (41); an electrolytic tank (5) which is in clearance fit with the inner wall of the guide plate (42) is arranged on the supporting disk (41), and a mounting groove (18) which is matched with the limiting bulge (43) is formed in the position, corresponding to the limiting bulge (43), of the bottom of the electrolytic tank (5); a vertical lifting cylinder (6) is fixedly installed on the supporting cross beam (3) corresponding to the upper part of the electrolytic bath (5), the output end of the lifting cylinder (6) is upwards fixedly connected with a vertical connecting rod (7) coaxial with the electrolytic bath (5), and the lower end of the connecting rod (7) is fixedly provided with a placing frame (8); a hanging rack (10) is fixed on the supporting beam (3), a connecting steel wire (11) is hung on the hanging rack (10), the lower end of the connecting steel wire (11) extends into the electrolytic bath (5), and a cathode bar (9) is fixed on the end part of the connecting steel wire.

2. A nickel titanium alloy electrochemical polishing device according to claim 1, wherein: the supporting plate (41) is of a circular plate structure.

3. A nickel titanium alloy electrochemical polishing device according to claim 1, wherein: the height of the guide plate (42) is 8-12 mm.

4. A nickel titanium alloy electrochemical polishing device according to claim 1, wherein: the limiting protrusion (43) is of a cylinder structure, and the height of the limiting protrusion is lower than the upper end face of the guide plate (42).

5. A nickel titanium alloy electrochemical polishing device according to claim 4, wherein: the limiting bulge (43) adopts a cylindrical structure.

6. An electrochemical nickel titanium alloy polishing device according to any one of claims 1 to 5, wherein: the device is characterized in that a sleeve ring (12) moving in the vertical direction is sleeved on the connecting rod (7), an adjusting bolt (14) is installed on one side of the sleeve ring (12) in a threaded mode, a horizontal connecting rod (13) is fixed on the other side of the sleeve ring (12), and a vertical stirring structure (15) capable of extending into the electrolytic tank (5) downwards is fixed on the horizontal connecting rod (13).

7. A nickel titanium alloy electrochemical polishing device according to claim 6, wherein: the stirring structure (15) is a sheet structure.