Constant-temperature passivation equipment for nickel-chromium high-resistance electrothermal alloy production

Abstract

The utility model discloses constant-temperature passivation equipment for nickel-chromium high-resistance electrothermal alloy production, which belongs to the technical field of electrothermal alloy processing and comprises a passivation mechanism and a soaking mechanism. And an aeration mechanism for accelerating the reaction rate and reducing the tension of the liquid level is mounted in the passivation mechanism. Through the arrangement of the passivation mechanism and the aeration mechanism, the device can be used for aerating a solution in the processing process, so that the reaction rate and the working efficiency are improved, the surface tension of liquid is reduced, the liquid is effectively prevented from violently shaking when a workpiece is soaked, and the service life of the workpiece is prolonged. Through the arrangement of the soaking mechanism, the heating mechanism and the drying mechanism, after the device is used for processing a workpiece, the workpiece can be dried before the workpiece enters the next working procedure, so that a passive film is cured, re-rusting is prevented, and mutual pollution among solutions can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrothermal alloy processing technical field especially a kind of thermostatic passivation equipment for nickel-chromium high-resistance electrothermal alloy production. BACKGROUND

[0002] In various industrial applications, nickel-chromium high-resistance electrothermal alloy is a material that cannot be ignored. It is mainly composed of nickel and chromium, has high resistivity, can stably heat, also has excellent oxidation resistance, and is often used as a heating element in electrothermal equipment. In the production and processing flow of nickel-chromium high-resistance electrothermal alloy, passivation process is often used, which generates a layer of passivation film on the surface of the alloy through chemical or electrochemical means, effectively enhancing its corrosion resistance. The key to realizing this process is passivation equipment, such as the commonly used passivation tank, which is made of corrosion-resistant materials such as plastic and stainless steel to provide a stable environment for passivation reaction.

[0003] The existing passivation equipment is mostly a single passivation tank, and before workpiece passivation processing, oil removal, cleaning and pickling are often required. Therefore, the existing equipment cannot meet the use requirements of the entire passivation processing flow. A small number of passivation equipment has multiple processing tanks, but it does not have a workpiece drying function. When processing workpieces, the solution in the previous processing tank can easily be carried over to the next processing tank, causing mutual contamination of the solutions, reducing the purity of the solutions, and negatively affecting the processing effect. It also requires frequent replacement of the solution, which is particularly evident when processing large quantities of workpieces in succession.

[0004] Therefore, there is an urgent need to provide a thermostatic passivation equipment for nickel-chromium high-resistance electrothermal alloy production to solve the above problems. INVENTION CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a thermostatic passivation equipment for nickel-chromium high-resistance electrothermal alloy production.

[0006] To solve the above technical problems, one technical scheme adopted by the utility model is to provide a thermostatic passivation equipment for nickel-chromium high-resistance electrothermal alloy production, which includes a passivation mechanism and a soaking mechanism. An aeration mechanism is installed inside the passivation mechanism to accelerate the reaction rate and reduce the liquid surface tension. A soaking mechanism for soaking workpieces is also slidably arranged on the passivation mechanism.

[0007] A heating mechanism is fixedly installed outside the passivation mechanism.

[0008] A drying mechanism for drying workpieces is also fixedly installed on the soaking mechanism to prevent liquid from being contaminated.

[0009] The utility model further sets up: the passivation mechanism includes processing pool, the inner wall fixed mounting of processing pool has temperature sensor, the inside bottom wall of processing pool still has fixedly installed with install a plurality of heating rod, the outer wall of processing pool is fixed with electric guide rail.

[0010] Through the above technical scheme, the processing pool is of stainless steel material, the inside of the processing pool is divided into multiple processing grooves, when the device is used for passivation of workpieces, the staff can add oil removal organic solvent, clean water, pickling solution, passivation solution and the like in the processing grooves respectively, thereby forming an oil removal groove, a cleaning groove, a pickling groove, a passivation groove and a secondary cleaning groove, the temperature sensor and the heating rod can be connected with the industrial computer, thereby realizing solution warming and solution constant temperature functions.

[0011] The utility model further sets up: the aeration mechanism includes a plurality of branch pipes fixedly provided in the inner wall of the processing pool, one end of the branch pipe is sealingly connected with a main pipe, a valve is further installed on the branch pipe, and a plurality of aeration holes are further formed in the branch pipe.

[0012] Through the above technical scheme, the main pipe can be connected with an air compressor or a pressure pure oxygen source, so that air or pure oxygen is pumped into the main pipe and the branch pipe, and then enters the solution in the processing groove through the aeration holes, and the water body can be made to flow, thereby accelerating the oxidation reaction, accelerating the pickling and passivation process, effectively improving the working efficiency of the device, and simultaneously, due to the surging of the water body during aeration, the surface tension of the liquid can be effectively reduced, the liquid surface is prevented from violently shaking during soaking of the workpiece, and the staff can close the aeration function of part of the processing grooves through the valve, thereby improving the use flexibility.

[0013] The utility model further sets up: the soaking mechanism includes a portal frame slidingly connected with the electric guide rail, and a translation slide block is fixed to the portal frame.

[0014] Through the above technical scheme, the electric guide rail can be connected with the industrial computer, and the staff can also control the electric guide rail through a switch, and the electric guide rail can drive the portal frame to move horizontally to above the specified processing groove through the translation slide block.

[0015] The utility model further sets up: the inner side of the portal frame is further fixed with a lifting guide rail, a lifting slide block is slidingly connected to the lifting guide rail, and a soaking frame is fixed to the lifting slide block.

[0016] Through the above technical scheme, the soaking frame is hollow, and the workpiece to be passivated can be placed in the soaking frame, after the portal frame moves to above the specified processing groove, the lifting guide rail can drive the soaking frame to descend through the lifting slide block, so that the soaking frame is soaked in the processing solution, thereby realizing oil removal, cleaning, pickling and passivation of the workpiece.

[0017] The utility model further sets up: the heating mechanism includes the bottom plate fixed in the front end of processing pool, the bottom plate is fixedly installed with the fan, the output of fan is sealedly connected with heating box, the heating box is sealedly connected with flexible air pipe.

[0018] Through the above technical scheme, the fan is a high-power fan, a plurality of electric heating wires are arranged in the heating box, when the airflow passes through the heating box, the airflow is heated, and the flexible air pipe can deliver the hot airflow to the drying mechanism.

[0019] The utility model further sets up: the drying mechanism includes the air outlet plate fixed in the inside top of gantry, the inside of air outlet plate is fixed with a plurality of louver structure, still integrally fixed with the interface on the air outlet plate.

[0020] Through the above technical scheme, the air outlet plate is connected with the tail end of the flexible air pipe through the interface, when the workpiece is cleaned, pickled or passivated in the processing pool, the lifting guide rail can drive the soaking frame to rise, and the top end of the soaking frame is attached to the air outlet plate, at this time, the fan and the heating box are opened, the air outlet plate blows out hot air to dry the workpiece, so that the residual liquid on the workpiece is prevented from being taken to the next pool, the solution purity is affected, the air outlet plate is attached to the soaking frame, the wind power and heat loss caused by the distance are effectively reduced, the airflow dispersed to the surrounding is also reduced, the heat utilization rate is improved, and the louver structure makes the air outlet plate air outlet more uniform.

[0021] The utility model has the advantages that:

[0022] 1. The utility model discloses a passivation mechanism and an aeration mechanism are arranged, so that the device can aerate the solution during the processing, the reaction rate and the working efficiency are improved, the surface tension of the liquid is reduced, and the liquid is prevented from violently shaking when the workpiece is soaked.

[0023] 2. The utility model discloses a soaking mechanism, a heating mechanism and a drying mechanism are arranged, so that the workpiece can be dried before entering the next process after the device processes the workpiece, the passivation film is solidified, rust is prevented, and the mutual pollution between the solutions is reduced. ACCURACY OF DRAWINGS

[0024] Figure 1 It is the three-dimensional structure diagram of the utility model;

[0025] Figure 2 It is the passivation mechanism and the aeration mechanism structure diagram of the utility model;

[0026] Figure 3 It is the soaking mechanism structure diagram of the utility model;

[0027] Figure 4 It is the heating mechanism structure diagram of the utility model;

[0028] Figure 5 The utility model discloses a drying mechanism structural diagram.

[0029] In the drawing: 1, passivation mechanism, 101, processing pool, 102, temperature sensor, 103, heating rod, 104, electric guide rail, 2, aeration mechanism, 201, branch pipe, 202, main pipe, 203, valve, 204, aeration hole, 3, soaking mechanism, 301, portal frame, 302, translation slider, 303, lifting guide rail, 304, lifting slider, 305, soaking frame, 4, heating mechanism, 401, bottom plate, 402, fan, 403, heating box, 404, flexible air pipe, 5, drying mechanism, 501, air outlet plate, 502, louver structure, 503, interface. DETAILED DESCRIPTION

[0030] The preferred embodiments of the utility model are described in detail below with reference to the drawings, so that the advantages and characteristics of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0031] Please refer to Figures 1-5 A constant-temperature passivation equipment for producing nickel-chromium high-resistance electrothermal alloy, including passivation mechanism 1 and soaking mechanism 3, passivation mechanism 1 includes processing pool 101, the inner wall of processing pool 101 is fixedly installed with temperature sensor 102, the inside bottom wall of processing pool 101 is also fixedly installed with multiple heating rods 103, the outer wall of processing pool 101 is fixedly installed with electric guide rail 104, processing pool 101 is stainless steel material, the inside of processing pool 101 is divided into multiple processing grooves, when using the device to passivate workpiece, staff can add oil removal organic solvent, clean water, pickling solution, passivation liquid etc. in these processing grooves respectively, so as to form oil removal groove, cleaning groove, pickling groove, passivation groove and secondary cleaning groove, temperature sensor 102 and heating rod 103 can be connected with industrial computer, so as to realize solution warming and solution constant-temperature function.

[0032] As Figure 1 And Figure 2As shown, the inside of the passivation mechanism 1 is provided with an aeration mechanism 2 for accelerating the reaction rate and reducing the liquid surface tension, the aeration mechanism 2 comprises a plurality of branch pipes 201 fixedly provided on the inner wall of the processing tank 101, one end of the branch pipe 201 is sealingly connected with a main pipe 202, a valve 203 is further installed on the branch pipe 201, a plurality of aeration holes 204 are further formed on the branch pipe 201, the main pipe 202 can be externally connected with an air compressor or a pressure pure oxygen source, so that air or pure oxygen is pumped into the main pipe 202 and the branch pipe 201, and enters the solution in the processing tank through the aeration holes 204, and the water body can flow, thereby accelerating the oxidation reaction, accelerating the pickling and passivation process, effectively improving the working efficiency of the device, and at the same time, due to the turbulence of the water body during aeration, the surface tension of the liquid can be effectively reduced, avoiding the violent shaking of the liquid surface during the soaking of the workpiece, and through the valve 203, the staff can close the aeration function of part of the processing tank, improving the use flexibility.

[0033] As shown in Figure 1 and Figure 3 , the passivation mechanism 1 is further provided with a soaking mechanism 3 for soaking the workpiece, the soaking mechanism 3 comprises a gantry 301 slidingly connected with the electric guide rail 104, the gantry 301 is fixedly provided with a translation slide 302, the inner side of the gantry 301 is further fixedly provided with a lifting guide rail 303, the lifting guide rail 303 is slidingly connected with a lifting slide 304, the lifting slide 304 is fixedly provided with a soaking frame 305, the electric guide rail 104 can be connected with the industrial computer, and the staff can also control the electric guide rail 104 through the switch, the electric guide rail 104 can drive the gantry 301 to move horizontally to the above of the specified processing tank through the translation slide 302, the soaking frame 305 is hollow, and the workpiece to be passivated can be placed in the soaking frame 305, after the gantry 301 moves to the above of the specified processing tank, the lifting guide rail 303 can drive the soaking frame 305 to descend through the lifting slide 304, so that the soaking frame 305 is soaked in the processing solution, thereby realizing the oil removal, cleaning, pickling and passivation of the workpiece.

[0034] As shown in Figure 1 , Figure 4 and Figure 5As shown, the outside of the passivation mechanism 1 is fixedly provided with a heating mechanism 4, the heating mechanism 4 comprises a bottom plate 401 fixed to the front end of the processing pool 101, a fan 402 is fixedly installed on the bottom plate 401, the output end of the fan 402 is sealingly connected with a heating box 403, the heating box 403 is sealingly connected with a flexible air pipe 404, the fan 402 is a high-power fan 402, a plurality of heating wires are arranged in the heating box 403, when the airflow passes through the heating box 403, the airflow is heated, the flexible air pipe 404 can deliver the hot airflow to the drying mechanism 5, the soaking mechanism 3 is also fixedly provided with a drying mechanism 5 for drying the workpiece, avoiding liquid mutual pollution, the drying mechanism 5 comprises an air outlet plate 501 fixed to the inner side top end of the gantry 301, a plurality of louver structures 502 are fixed to the inner side of the air outlet plate 501, an interface 503 is integrally fixed to the air outlet plate 501, the air outlet plate 501 is connected with the tail end of the flexible air pipe 404 through the interface 503, when the workpiece is cleaned, pickled or passivated in the processing pool 101, the lifting guide rail 303 can drive the soaking frame 305 to rise, and the top end of the soaking frame 305 is attached to the air outlet plate 501, at this time, the fan 402 and the heating box 403 are turned on, the air outlet plate 501 blows hot air to dry the workpiece, so that the residual liquid on the workpiece is not taken to the next pool, affecting the purity of the solution, the air outlet plate 501 is attached to the soaking frame 305, which can effectively reduce the wind power and heat loss caused by the distance, and also reduces the airflow diffused to the surrounding, improves the heat utilization rate, and the louver structure 502 makes the air outlet of the air outlet plate 501 more uniform.

[0035] In use, the staff can first add processing liquids such as oil removal solvent, clean water, pickling solution and passivation liquid into each processing groove of the processing pool 101, then put the workpiece to be processed into the soaking frame 305, and then operate the soaking mechanism 3 to first immerse the workpiece in the oil removal solvent for oil removal, then raise the soaking frame 305 to dry the workpiece through the drying mechanism 5, then immerse the workpiece in the clean water tank for cleaning, then dry the workpiece through the drying mechanism 5 again after cleaning, then immerse the workpiece in the pickling tank for pickling, and repeat the above steps until the oil removal, cleaning, pickling, passivation and secondary cleaning are completed, so that the passivation processing of the workpiece is completed, and the aeration mechanism 2 can effectively improve the reaction rate of the processing liquid during the processing.

[0036] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A constant temperature passivation device for producing nickel-chromium high resistance electrothermal alloy, comprising a passivation mechanism (1) and a soaking mechanism (3), characterized in that: The inside of the passivation mechanism (1) is internally provided with an aeration mechanism (2) for accelerating the reaction rate and reducing the liquid surface tension, and the passivation mechanism (1) is also provided with a soaking mechanism (3) for soaking the workpiece. The outside of the passivation mechanism (1) is fixedly provided with a heating mechanism (4); The soaking mechanism (3) is also fixedly provided with a drying mechanism (5) for drying the workpiece and avoiding liquid mutual contamination.

2. The constant temperature passivation equipment for producing nickel-chromium high-resistance electrothermal alloy according to claim 1, characterized in that: The passivation mechanism (1) comprises a processing pool (101), the inner wall of the processing pool (101) is fixedly provided with a temperature sensor (102), the inner bottom wall of the processing pool (101) is also fixedly provided with a plurality of heating rods (103), and the outer wall of the processing pool (101) is fixedly provided with an electric guide rail (104).

3. The constant temperature passivation equipment for producing nickel-chromium high-resistance electrothermal alloy according to claim 2, characterized in that: The aeration mechanism (2) comprises a plurality of branch pipes (201) fixedly penetrating the inner wall of the processing pool (101), one end of the branch pipe (201) is sealingly connected with a main pipe (202), the branch pipe (201) is also provided with a valve (203), and a plurality of aeration holes (204) are formed in the branch pipe (201).

4. The constant temperature passivation equipment for producing nickel-chromium high-resistance electrothermal alloy according to claim 2, characterized in that: The soaking mechanism (3) comprises a gantry (301) slidingly connected with the electric guide rail (104), and the gantry (301) is fixedly provided with a translation sliding block (302).

5. The constant temperature passivation equipment for producing nickel-chromium high-resistance electrothermal alloy according to claim 4, characterized in that: The inner side of the gantry (301) is also fixedly provided with a lifting guide rail (303), the lifting guide rail (303) is slidingly connected with a lifting sliding block (304), and the lifting sliding block (304) is fixedly provided with a soaking frame (305).

6. The constant temperature passivation equipment for producing nickel-chromium high-resistance electrothermal alloy according to claim 2, characterized in that: The heating mechanism (4) comprises a bottom plate (401) fixedly provided at the front end of the processing pool (101), the bottom plate (401) is fixedly provided with a fan (402), the output end of the fan (402) is sealingly connected with a heating box (403), and the heating box (403) is sealingly connected with a flexible air pipe (404).

7. The constant temperature passivation equipment for producing nickel-chromium high-resistance electrothermal alloy according to claim 4, characterized in that: The drying mechanism (5) comprises an air outlet plate (501) fixedly provided at the inner top end of the gantry (301), the inner side of the air outlet plate (501) is fixedly provided with a plurality of louver structures (502), and the air outlet plate (501) is also integrally fixedly provided with a connector (503).

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