Workpiece soaking and passivating device

Abstract

The utility model relates to a workpiece soaking and passivating device which comprises a plurality of passivating tanks, an inner container and a lifter, heaters are mounted at the bottoms of the passivating tanks, four bearings I are arranged on the inner walls of the passivating tanks, four bearings II are uniformly arranged on the tops of the passivating tanks, inner container eaves are arranged at the upper parts of the inner containers, gear teeth are arranged on the top surfaces of the inner container eaves, and the elevators are arranged on the inner container eaves. A circle of smooth contact face is arranged on the upper middle portion of the outer wall of a liner body of the liner, the contact face abuts against the bearing I, the bottom face of a liner brim abuts against the bearing II, a motor is fixedly installed on the top face of the elevator, a driving gear is installed on an output shaft of the motor, and the driving gear is meshed with the gear teeth. Four fixing buckle grooves are evenly formed in the outer edge of the top of the passivation groove, buckles are installed on the fixing buckle grooves, and the inner container is limited in the passivation groove through the buckles. By the adoption of the technical scheme, passivation water and passivation liquid can be repeatedly used, a plurality of small parts can be contained at a time, energy is saved, the production efficiency can be effectively improved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of passivation and anti-corrosion, in particular to a workpiece immersion passivation device. Background Art

[0002] With the progress of society and the development of the industrial industry, the requirements for the corrosion resistance of metal products are becoming more and more stringent. The passivation solution can make the metal surface present a passive solution, which is generally used for post-treatment of galvanizing, nickel plating, powder zinc plating, and multi-element alloy zinc plating. The purpose is to form a surface state on the surface of the workpiece that can prevent the normal reaction of the metal, improve corrosion resistance, and increase the appearance of the product. The existing passivation method is mainly in the form of a spray line. Because the spray line form requires suspension, small parts such as bolts, nuts, washers, etc. are not suitable for this method. There are many small parts, which are not convenient to suspend, which will waste a lot of manpower and have low production efficiency. At the same time, it will consume a lot of energy, water resources, and passivation liquid, and the production cost is too high. Summary of the invention

[0003] The utility model aims to provide a workpiece immersion passivation device, aiming to solve the problems of large amount of manpower required, low production efficiency and large consumption of energy, water resources and passivation liquid during passivation treatment of metal products.

[0004] The technical scheme adopted by the utility model is: a workpiece immersion passivation device, comprising a plurality of passivation tanks, an inner tank and an elevator, the passivation tank is in a cylindrical shape as a whole, a heater is installed at the bottom of the passivation tank, four bearings I are arranged on the inner wall of the passivation tank, four bearings II are evenly arranged on the top of the passivation tank, the body of the inner tank is in a cylindrical shape, the bottom surface of the inner tank is a downwardly concave arc surface, a plurality of filter holes are evenly arranged on the body and the bottom surface of the inner tank, an inner tank eaves is arranged on the upper part of the inner tank, gear teeth are arranged on the top surface of the inner tank eaves, the bottom surface of the inner tank eaves is a smooth plane, and a gear is arranged on the middle and upper part of the outer wall of the body of the inner tank There is a circle of smooth contact surface, the contact surface is against the bearing I, the bottom surface of the inner liner is against the bearing II, the elevator is installed next to the passivation tank, a motor is fixedly installed on the top surface of the elevator, a driving gear is installed on the output shaft of the motor, the driving gear is meshed with the gear teeth, the motor drives the inner liner to rotate horizontally in the passivation tank, four fixed buckle grooves are evenly arranged on the top outer edge of the passivation tank, buckles are installed on the fixed buckle grooves, the buckles are "L" shaped, and a bearing III is arranged below the upper part of the buckle, bearing III is against the top surface of the inner liner, and the buckle limits the inner liner in the passivation tank.

[0005] A further technical solution of the utility model is: the number of the passivation tanks is set to five, and the passivation tanks are arranged in sequence, wherein the first and second passivation tanks are filled with water, the third passivation tank is filled with passivation liquid, the fourth passivation tank is filled with water, and the fifth passivation tank is empty.

[0006] A further technical solution of the utility model is: two latch holes are arranged on the fixed buckle groove, latches are arranged in the latch holes, and the buckle is installed on the fixed buckle groove through the cooperation of the latches.

[0007] A further technical solution of the utility model is that the diameter of the filter hole is less than 10 mm.

[0008] A further technical solution of the utility model is: the heater is a constant temperature heater, and the heater can detect and control the temperature of the passivation liquid or water in the passivation tank.

[0009] The beneficial effects of the utility model are as follows: due to the adoption of the above technical scheme, a workpiece immersion passivation device of the utility model can reuse passivation water and passivation liquid, can accommodate multiple small parts at a time, save energy, can effectively improve production efficiency, and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic cross-sectional structure diagram of a workpiece immersion passivation device described in the utility model;

[0011] Figure 2 It is a structural schematic diagram when the elevator is installed next to the passivation tank. DETAILED DESCRIPTION

[0012] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0013] Example:

[0014] like Figure 1 , 2A workpiece immersion passivation device shown in the figure comprises a plurality of passivation tanks 1, an inner tank 2 and an elevator 6. The passivation tank is in the shape of a barrel as a whole and is used to contain a passivation liquid or water. A heater 4 is installed at the bottom of the passivation tank. The heater is installed at the bottom of the passivation tank to avoid interference with other components. Four bearings I11 are arranged on the inner wall of the passivation tank, and four bearings II12 are evenly arranged on the top of the passivation tank. The body of the inner tank is in the shape of a cylinder, and the bottom surface of the inner tank is a concave arc surface. A plurality of filter holes are evenly arranged on the body and the bottom surface of the inner tank. An inner tank eaves 21 is arranged on the upper part of the inner tank, and gear teeth 22 are arranged on the top surface of the inner tank eaves. The bottom surface of the inner tank eaves is a smooth plane. A circle of smooth contact surface is arranged at the middle and upper part of the outer wall of the body of the inner tank, and the contact surface abuts against the The inner liner is mounted on the bearing Ⅰ11, and the bottom surface of the inner liner eaves is against the bearing Ⅱ12. The elevator is installed next to the passivation tank. The elevator is a movable elevator. The elevator has a large weight and can withstand the reaction force brought by the motor transmission. A motor 5 is fixedly installed on the top surface of the elevator. A driving gear 51 is installed on the output shaft of the motor. The driving gear 51 is engaged with the gear teeth 22. The motor drives the inner liner to rotate horizontally in the passivation tank. Four fixed buckle grooves 13 are evenly arranged on the top outer eaves of the passivation tank. Buckles 3 are installed on the fixed buckle grooves. Buckle 3 is "L" shaped. Bearing Ⅲ31 is arranged below the upper part of buckle 3. Bearing Ⅲ31 is against the top surface of the inner liner eaves. The buckle limits the inner liner in the passivation tank to prevent the inner liner from moving up and down.

[0015] Preferably, the number of the passivation tanks is set to five, and the passivation tanks are arranged in sequence, wherein the first and second passivation tanks are filled with water, the third passivation tank is filled with passivation liquid, the fourth passivation tank is filled with water, and the fifth passivation tank is an empty tank.

[0016] Preferably, the fixed buckle groove is provided with two latch holes 14, and latches are provided in the latch holes, and the buckle is installed on the fixed buckle groove through the cooperation of the latches.

[0017] Preferably, the filter hole has a diameter less than 10 mm to prevent the passivated workpiece from falling out of the hole.

[0018] Preferably, the heater 4 is a constant temperature heater, which can detect and control the temperature of the passivation liquid or water in the passivation tank.

[0019] Installation process and usage principle:

[0020] First, in this embodiment, the device is provided with five passivation tanks and is equipped with an overhead crane or a crane. The first device passivation tank is filled with water, the second passivation tank is filled with water, the third passivation tank is filled with passivation liquid, the fourth passivation tank is filled with water, and the fifth passivation tank is empty. When in use, first put enough workpieces in the liner, use the overhead crane or the crane to hang the liner into the first passivation tank, then fix the four buckles with pins to position the liner in the passivation tank, push the elevator to the side of the passivation tank, lower the elevator, so that the gear on the motor output shaft is engaged with the gear on the liner, start the motor to drive the liner to rotate, stop after five minutes of rotation, remove the buckle, lift the elevator, move the elevator away, use the overhead crane or the crane to hang the liner into the second device for washing, then passivate in the third device, wash in the fourth device, and spin dry in the fifth device, and run in sequence. Using multiple liner, five devices can be run at the same time to improve efficiency. In this solution, the number of elevators can be configured according to actual production needs. One elevator can be set next to each passivation tank, or two elevators can be set. In the initial state, the first elevator is set next to the first passivation tank, and the second elevator is set next to the fifth passivation tank. During the production process, the elevator can be moved to other passivation tanks for use as needed.

[0021] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A workpiece immersion passivation device, characterized in that: The invention comprises a plurality of passivation tanks, an inner tank and an elevator. The passivation tank is in the shape of a cylinder as a whole. A heater is installed at the bottom of the passivation tank. Four bearings I are arranged on the inner wall of the passivation tank. Four bearings II are evenly arranged on the top of the passivation tank. The body of the inner tank is in the shape of a cylinder. The bottom surface of the inner tank is a concave arc surface. A plurality of filter holes are evenly arranged on the body and the bottom surface of the inner tank. An inner tank eaves is arranged on the upper part of the inner tank. The top surface of the inner tank eaves is provided with gear teeth. The bottom surface of the inner tank eaves is a smooth plane. A circle of smooth contact surface is arranged at the middle and upper part of the outer wall of the body of the inner tank. The contact surface is provided at the bottom of the inner tank eaves. The surface of the inner liner is against the bearing I, and the bottom surface of the inner liner eaves is against the bearing II. The elevator is installed next to the passivation tank. A motor is fixedly installed on the top surface of the elevator. A driving gear is installed on the output shaft of the motor. The driving gear meshes with the gear teeth. The motor drives the inner liner to rotate horizontally in the passivation tank. Four fixed buckle grooves are evenly arranged on the top outer eaves of the passivation tank. Buckles are installed on the fixed buckle grooves. The buckles are "L" shaped. Bearing III is arranged below the upper part of the buckle. Bearing III is against the top surface of the inner liner eaves, and the buckle limits the inner liner in the passivation tank.

2. A workpiece immersion passivation device according to claim 1, characterized in that: The number of the passivation tanks is set to five, and the passivation tanks are arranged in sequence, wherein the first and second passivation tanks are filled with water, the third passivation tank is filled with passivation liquid, the fourth passivation tank is filled with water, and the fifth passivation tank is an empty tank.

3. A workpiece immersion passivation device according to claim 1, characterized in that: The fixed buckle groove is provided with two latch holes, and latches are arranged in the latch holes. The buckle is installed on the fixed buckle groove through the cooperation of the latches.

4. A workpiece immersion passivation device according to claim 1, characterized in that: The filter hole diameter is less than 10 mm.

5. The workpiece immersion passivation device according to claim 1, characterized in that: The heater is a constant temperature heater.

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