Full-automatic salt spray testing machine

Abstract

The utility model discloses a full-automatic salt spray testing machine which comprises a rack, a box cover, a salt water preparation assembly, an electric appliance assembly, a salt water storage box, a spray tower, a saturation pressure barrel, a storage rack and a control panel, the rack is a rack body of which the middle part is provided with a cavity; a test cavity is arranged in the cavity, and a horizontally arranged storage rack is arranged in the test cavity; a heating pipe is arranged in the test cavity, a saline water storage tank is also arranged in the test cavity, and the upper end of the saline water storage tank is connected with a vertically arranged spray tower; and the saline water preparation assembly is connected with a saline water storage box below through a pipeline. The full-automatic salt spray testing machine disclosed by the utility model is simple and reasonable in structure and stable and firm in operation; the intelligent automatic salt spray test box can automatically prepare and add test salt water, the problem that an existing salt spray test box cannot be intelligently and automatically operated and run is solved, the salt spray test box is pulled into an automatic intelligent equipment rank, and the purposes of low running cost and high test efficiency are achieved.

Description

Technical Field

[0001] This utility model relates to the technical field of salt spray testing machines, and in particular to a fully automatic salt spray testing machine. Background Technology

[0002] A salt spray test chamber is an artificial climate simulation environment testing device for "three protections" (humid heat, salt spray, and mold). It is an important testing device for the adaptability and reliability of products in scientific research, machinery manufacturing, defense industry, light industry, electronics, instrumentation, and other industries after surface treatment, to various environments. It is mainly used for salt spray corrosion testing of automotive parts, electroplating, coatings, electronic components, protective layers of metal materials, and industrial products.

[0003] Current salt spray test chambers have some functions that cannot be operated automatically, requiring dedicated personnel to operate and supervise the equipment for extended periods. This results in high testing efficiency and cost, failing to meet the demand for low operating costs, high efficiency, and automation. Utility Model Content

[0004] The purpose of this invention is to provide a fully automatic salt spray test chamber with a simple and reasonable structure, stable and reliable operation, low operating cost, high efficiency, and automation and intelligence. It is an intelligent automatic salt spray test chamber that can automatically prepare and add test salt water, solving the problem that existing salt spray test chambers cannot operate intelligently and automatically, bringing salt spray test chambers into the ranks of automatic and intelligent equipment, and achieving the goal of low operating cost and high testing efficiency.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0006] A fully automatic salt spray testing machine includes a frame, a cover, a heating element, a brine preparation component, a brine storage tank, a spray tower, a saturated pressure tank, a shelf, a control panel, and electrical components.

[0007] The frame is horizontally arranged and has an opening at the top and a cavity in the middle. The opening is hinged to a cover, which can be rotated and opened around the hinge. The cavity contains a test chamber, and the test chamber contains a horizontally arranged shelf for placing and hooking the workpiece to be tested.

[0008] The test chamber is also equipped with a brine storage tank, and the upper end of the brine storage tank is connected to a vertically installed spray tower. Preferably, the spray tower is higher than the shelf.

[0009] The brine preparation assembly includes a hopper, a stirring shaft, a stirring motor, a pusher screw, a guide pipe, a stirring paddle, and a preparation box. The hopper stores sodium chloride (industrial salt). To prevent clumping and ensure accurate and controlled dispensing to the preparation box, a stirring shaft is installed inside the hopper to break up the industrial salt. The hopper has an opening at the top and an inner cavity in the middle, where the industrial salt is placed. The stirring shaft is located within the inner cavity, and after being fitted with bearings, it passes through both ends of the hopper. One end of the stirring shaft is connected to the output shaft of the stirring motor; the stirring motor drives the stirring shaft to rotate.

[0010] The hopper has a discharge port at its bottom; the guide pipe is horizontally positioned at the bottom of the hopper and has a feed port on it; the feed port is connected to the discharge port; the guide pipe has a guide cavity in the middle and a pusher screw is installed inside the guide cavity, with the front end of the pusher screw connected to the output shaft of the pusher motor; the guide pipe has a discharge port at its rear end.

[0011] The discharge port is connected to the modulation box.

[0012] The modulation box is equipped with a stirring paddle, and one end of the stirring paddle is connected to a stirring motor.

[0013] The mixing tank is equipped with an automatic water inlet connected to a water pipe. Industrial salt falling from the discharge port enters the tank and mixes with the water introduced through the automatic water inlet, forming brine.

[0014] The conditioning tank is connected to the brine storage tank below via a pipe.

[0015] The nozzle at the bottom of the atomizing tower extends into the bottom of the brine storage tank through a conduit; the saturation pressure tank is connected to the inside of the brine storage tank through an air pipe, and the brine is forced into the atomizing tower by the air pressure difference, and then atomized and sprayed out.

[0016] Preferably, a spray volume collection funnel is provided above the shelf, and a collection tube is connected to the bottom of the spray volume collection funnel, with the other end of the collection tube extending into the inner cavity of the collection measuring cup.

[0017] Preferably, the modulation box, the test chamber, and the saturation pressure tank are all equipped with water level sensors; these sensors are used to provide feedback signals to the control system when the water level is low, so that the equipment can automatically fill the modulation box, the test chamber, and the saturation pressure tank with water.

[0018] Preferably, the control panel is a touch screen PLC integrated controller.

[0019] After the preparation tank issues a water shortage warning, the PLC control system receives the water shortage signal, automatically closes the connecting pipe between the preparation tank and the brine storage tank, automatically supplies sodium chloride to the preparation tank, stops supplying sodium chloride after reaching the set value, automatically opens the water flow metering control valve to start adding water, stops adding water after reaching the set value, automatically starts the brine stirring system (stirring paddle), stops stirring after the set time value, and opens the control valve connecting the preparation tank to the brine storage tank to automatically add brine to the brine storage tank.

[0020] Briefly describe its working principle:

[0021] This application includes an automatic brine preparation tank. After the brine is prepared, it is introduced into the brine storage tank through a conduit.

[0022] The brine in the brine storage tank is sprayed out from the spray tower through the coordinated work of the saturated pressure tank and the spray tower, forming a salt mist that is distributed in the test chamber (test box). This creates a salt mist environment for the workpiece to be tested in the test box, which can be used to test the workpiece's resistance to salt spray corrosion.

[0023] The beneficial effects of this utility model are:

[0024] Its structure is simple and reasonable, and its operation is stable and reliable. It has low operating costs, high efficiency, and is automated and intelligent. It is an intelligent automatic salt spray test chamber that can automatically prepare and add test salt water, which solves the problem that existing salt spray test chambers cannot operate intelligently and automatically. It brings salt spray test chambers into the ranks of automatic and intelligent equipment and achieves the goal of low operating costs and high test efficiency. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of a fully automatic salt spray test chamber according to the present invention;

[0026] Figure 2 This is a schematic diagram of the structure of a fully automatic salt spray tester according to the present invention (another view, the right side plate of the frame has been omitted);

[0027] Figure 3 This is a schematic diagram of the structure of the brine conditioning component of this utility model (conditioning box omitted);

[0028] Figure 4 This is a schematic diagram of the structure of the brine modulation component of this utility model (from another perspective);

[0029] Figure 5 This is a schematic diagram of the structure of the brine modulation component of this utility model. Figure 3 The side baffles of the hopper are omitted from the basis.

[0030] Figure 6 This is a top view of a fully automatic salt spray tester according to the present invention. Detailed Implementation

[0031] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0032] like Figure 1-6 As shown, a fully automatic salt spray test machine includes a frame 1, a cover 2, a heating tube 10, a brine preparation component 3, a brine storage tank 4, a spray tower 5, a saturated pressure tank 6, a shelf 7, a control panel 8, and an electrical component 80.

[0033] The frame 1 is horizontally arranged and has an opening at the top and a cavity in the middle. The opening is hinged to a cover 2, which can be rotated and opened and closed around the hinge. The cavity contains a test chamber 11, and the test chamber 11 contains a horizontally arranged shelf 7 for placing and hooking the workpiece to be tested.

[0034] The heating tube 10 is located at the bottom of the test chamber 11 to heat the water at the bottom of the test chamber 11, creating a high-temperature environment in the test chamber 11. The bottom of the test chamber 11 is connected to a water inlet pipe.

[0035] The test chamber 11 is also equipped with a brine storage tank 4, and the upper end of the brine storage tank 4 is connected to a vertically installed spray tower 5. Preferably, the spray tower 5 is higher than the shelf 7.

[0036] The brine preparation assembly 3 includes a hopper 31, a stirring shaft 32, a stirring motor 33, a pusher screw 34, a guide pipe 35, a stirring paddle, a preparation box 37, a pusher motor 38, and a second stirring motor. The hopper 31 stores sodium chloride (industrial salt). To prevent clumping and ensure accurate and controlled feeding into the preparation box 37, a stirring shaft 32 is installed inside the hopper 31 to disperse the industrial salt. The hopper 31 has an opening at the top and an inner cavity in the middle, where the industrial salt is placed. The stirring shaft 32 is located inside the inner cavity, and after bearings are fitted onto it, it passes through both ends of the hopper 31. One end of the stirring shaft 32 is connected to the output shaft of the stirring motor 33; the stirring motor 33 drives the stirring shaft 32 to rotate.

[0037] The hopper 31 has a discharge port at its bottom; the guide pipe 35 is horizontally positioned at the bottom of the hopper 31 and has a feed inlet 351 on it; the feed inlet 351 is connected to the discharge port; the guide pipe 35 has a guide cavity in the middle and a pusher screw 34 is provided in the guide cavity, the front end of the pusher screw 34 is connected to the output shaft of the pusher motor 38; the rear end of the guide pipe 35 has a discharge port 352.

[0038] The discharge port 352 is connected to the modulation box 37.

[0039] The modulation box 37 is equipped with a stirring paddle, one end of which is connected to a stirring motor 2.

[0040] The mixing tank 37 is equipped with an automatic water inlet, which is connected to a water pipe. Industrial salt falling from the discharge port 352 enters the tank and mixes with the water introduced through the automatic water inlet. The mixture is stirred by a stirring paddle within the mixing tank 37 to prepare brine.

[0041] The modulation box 37 is connected to the brine storage box 4 below via a pipe.

[0042] The bottom of the spray tower 5 is equipped with a nozzle. The lower end of the nozzle has a water inlet and an air inlet. The upper end of the nozzle has a water spray hole and an air blowing hole. The water inlet of the nozzle extends into the bottom of the inner cavity of the brine storage tank 4 through a conduit. The air inlet is connected to the air outlet of the saturated pressure tank 6 through a conduit. The air blowing hole at the upper end of the nozzle blows air into the water spray hole to form a negative pressure. The brine is sprayed out from the water spray hole through the air pressure difference and then atomized and sprayed out through the spray tower 5.

[0043] Preferably, a spray volume collection funnel 9 is provided below the shelf 7, and a collection tube is connected to the bottom of the spray volume collection funnel 9, with the other end of the collection tube extending into the inner cavity of the collection measuring cup.

[0044] Preferably, the modulation tank 37, the brine storage tank 4, and the saturation pressure tank 6 are all equipped with water level sensors 10; these sensors are used to provide feedback signals to the control system when the water level is low, so that the equipment can automatically fill the modulation tank 37, the brine storage tank 4, and the saturation pressure tank 6 with water.

[0045] Preferably, the control panel 8 is a touch screen PLC integrated controller. Each motor, water level sensor, control panel 8, saturation pressure tank 6, and heating element 10 is electrically connected to the electrical assembly 80.

[0046] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A fully automatic salt spray test chamber, characterized in that: Includes frame, cover, heating element, brine preparation assembly, brine storage tank, spray tower, saturation pressure tank, shelf, control panel, and electrical components; The frame is horizontally arranged and has an opening at the top and a cavity in the middle. The opening is hinged to a cover, which can be rotated and opened around the hinge. The cavity contains a test chamber, and the test chamber contains a horizontally arranged shelf for placing and hooking the workpiece to be tested. The test chamber is also equipped with a brine storage tank, and the upper end of the brine storage tank is connected to a vertically installed spray tower; The brine conditioning assembly includes a hopper, a stirring shaft, a stirring motor, a pusher screw, a guide pipe, a stirring paddle, a conditioning box, a pusher motor, and a second stirring motor. The modulation box is connected to the brine storage box below via a pipe; The saturation pressure tank is connected to the inner cavity of the brine storage tank via an air pipe; The heating tube is located at the bottom of the test chamber.

2. The fully automatic salt spray test chamber according to claim 1, characterized in that: The spray tower is higher than the shelf.

3. The fully automatic salt spray test chamber according to claim 2, characterized in that: The hopper has an opening at the top and an inner cavity in the middle. A stirring shaft is installed in the inner cavity. The stirring shaft is fitted with bearings and passes through the front and rear ends of the hopper. One end of the stirring shaft is connected to the output shaft of the stirring motor. The stirring motor drives the stirring shaft to rotate.

4. The fully automatic salt spray test chamber according to claim 3, characterized in that: The hopper has a discharge port at the bottom; the guide pipe is horizontally positioned at the bottom of the hopper and has a feed port on it; the feed port is connected to the discharge port; the guide pipe has a guide cavity in the middle and a pusher screw is installed inside the guide cavity, with the front end of the pusher screw connected to the output shaft of the pusher motor; the guide pipe has a discharge port at the rear end. The discharge port is connected to the modulation box; The mixing box is equipped with a stirring paddle, one end of which is connected to a stirring motor.

5. The fully automatic salt spray test chamber according to claim 4, characterized in that: The modulation box is equipped with an automatic water inlet, which is connected to a water pipe.

6. The fully automatic salt spray test chamber according to claim 5, characterized in that: It also includes a spray volume collection funnel, a collection tube, and a collection measuring cup; the spray volume collection funnel is located above the shelf, the bottom of the spray volume collection funnel is connected to the collection tube, and the other end of the collection tube extends into the inner cavity of the collection measuring cup.

7. The fully automatic salt spray test chamber according to any one of claims 1-6, characterized in that: Water level sensors are installed in the modulation box, test chamber, and saturation pressure tank.

8. The fully automatic salt spray test chamber according to claim 7, characterized in that: The control panel is a touch screen PLC integrated controller.

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