CN219915304U - Device for testing corrosion and cracking resistance of mold - Google Patents

Abstract

The utility model provides a device for testing corrosion and cracking resistance of a die, which relates to the field of testing the stress and corrosion resistance and fatigue resistance of the die, and comprises a water tank and a base, wherein a control cabinet is arranged on the base, a first side plate and a second side plate are fixedly arranged on the upper part of the control cabinet, a top plate is fixedly connected to the upper parts of the first side plate and the second side plate, a stress applying mechanism is arranged on the top plate, the water tank is connected with a water inlet pipe and a circulating pipe, the circulating pipe is connected with a circulating pump, and the circulating pump is connected with a water outlet pipe.

Description

Device for testing corrosion and cracking resistance of mold

Technical Field

The utility model relates to the technical field of detection of stress corrosion resistance and corrosion fatigue resistance, in particular to a device for testing corrosion cracking resistance of a die.

Background

Corrosion cracking is one of the main failure modes of metal materials, and comprises stress corrosion cracking of the metal materials under tensile stress and corrosion environment, corrosion fatigue cracking under periodic stress and corrosion environment and the like. The stress corrosion and corrosion fatigue test time is long, and the test results are affected by factors such as test environment, corrosion liquid type, load size, application mode and the like. When the corrosion resistance of the workpiece is detected, the actual corrosion environment and stress condition of the workpiece are required to be simulated, the corrosion and cracking conditions of the workpiece are observed, and the time from the occurrence of cracks to the complete cracking of the cracks of the workpiece is counted, so that the corrosion and cracking resistance parameters of the workpiece are measured.

However, in the prior art, the stress corrosion and corrosion fatigue detection device has a complex structure, the corrosive liquid cannot automatically circulate in the die test sample, namely, the working condition of the die cannot be truly simulated, the relation between the corrosion speed and the die material cannot be established through the circulation of the corrosive medium, and a large error exists in the test.

Disclosure of Invention

The embodiment of the utility model aims to provide a device for testing the corrosion and cracking resistance of a die, which has a simple structure and is convenient to operate, and the technical problem that the existing detection device cannot truly simulate the working condition of the die can be solved.

The embodiment of the utility model provides a device for testing corrosion and cracking resistance of a die, which comprises a water tank and a base, wherein a control cabinet is arranged on the base, a first side plate and a second side plate are fixedly arranged on the upper part of the control cabinet, a top plate is fixedly connected to the upper parts of the first side plate and the second side plate, a stress applying mechanism is arranged on the top plate, the water tank is connected with a water inlet pipe and a circulating pipe, the circulating pipe is connected with a circulating pump, and the circulating pump is connected with a water outlet pipe.

Further, the stress applying mechanism comprises a driving piece, a stress loading arm and a stress action block, wherein the driving piece is used for driving the stress action block to move up and down through the stress loading arm.

Further, a plurality of control buttons are arranged on the control cabinet.

Further, the first side plate and the second side plate are the same in size, and the first side plate and the second side plate are parallel to each other.

Further, an opening is formed in the top of the water tank, and a tank cover is arranged on the opening.

Further, the driving piece is an air cylinder or a hydraulic cylinder.

The utility model has the beneficial effects that:

1. according to the utility model, the stress applying mechanism is used for applying unidirectional stress or cyclic stress to the die test sample, meanwhile, the circulating pump is used for inputting corrosive liquid in the water tank into the cooling water channel of the die test sample, so that the working condition of the die is truly simulated, on one hand, the relation between the corrosion speed and the die material is established through the circulation of corrosive medium, and on the other hand, the time from occurrence of cracks to cracking of the die test sample is counted; measuring the parameter of corrosion cracking of the die test sample by counting the time from the occurrence of the crack to the complete cracking of the crack of the die test sample;

2. according to the stress applying mechanism provided by the utility model, stress is applied to the die test sample under the control of the control cabinet, the applying mechanism is fixed on the top plate, the first side plate and the second side plate form a U-shaped frame, the corrosion cracking condition of the die test sample can be conveniently observed, and the whole device is simple in structure and convenient to operate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

The reference numerals are respectively:

1. a base; 2. a control cabinet; 201. a control button; 3. a first side plate; 4. a second side plate; 5. a top plate; 6. a stress applying mechanism; 601. a driving member; 602. a stress loading arm; 603. a stress acting block; 7. a water tank; 8. a water inlet pipe; 9. a circulation pipe; 10. a circulation pump; 11. a water outlet pipe; 12. a case cover; 13. testing a sample by a mould; 14. and (5) placing a rack.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Specific example 1:

as shown in fig. 1, the utility model provides a device for testing corrosion cracking resistance of a mold, which simulates the actual working environment of the mold and detects the corrosion cracking condition, and comprises a water tank 7, a base 1, wherein a control cabinet 2 is arranged on the base 1, a first side plate 3 and a second side plate 4 are fixedly arranged on the upper part of the control cabinet 2, a top plate 5 is fixedly connected on the upper part of the first side plate 3 and the upper part of the second side plate 4, a stress applying mechanism 6 is arranged on the top plate 5, the water tank 7 is connected with a water inlet pipe 8 and a circulating pipe 9, the circulating pipe 9 is connected with a circulating pump 10, and the circulating pump 10 is connected with a water outlet pipe 11.

As shown in fig. 1, in the implementation, the water tank 7 is placed on the placement frame 14, the corrosive liquid is added into the water tank 7, the die test sample is placed on the upper portion of the control cabinet 2, the die test sample is provided with a cooling water channel, a water inlet and a water outlet, the water inlet and the water outlet of the die test sample are respectively connected with the circulating pipe 9 and the water inlet pipe 8, the circulating pump 10 is started firstly through the control cabinet 2, the corrosive liquid in the water tank 7 is conveyed into the cooling water channel of the die test sample through the water outlet pipe 11 and the circulating pipe 9 by the circulating pump 10, the die test sample, the water tank 7 and the circulating pump 10 form a circulating body, the corrosive liquid forms a cycle under the driving of the circulating pump 10, the control cabinet 2 starts the stress applying mechanism 6, the stress applying mechanism 6 applies fatigue stress to the die test sample 13, the load gradually increases from 0, when the load increases to a preset threshold value, the stress applying mechanism 6 keeps the stress unchanged for 1-30 seconds from 0 to the duration of maintaining the fatigue stress, then the stress applying mechanism 6 stops applying the fatigue stress, the intermittent time is 1-20 seconds, the repeated stage of the fatigue test sample 13 continuously drives the corrosive liquid to circulate under the driving of the circulating pump 10, and the corrosion liquid can be controlled through the control, and the flow rate of the circulating liquid is observed through the circulating pump and the test medium is made to crack the test medium, and the crack condition of the die test sample is observed by the test medium, and the crack condition has been observed.

As shown in fig. 1, the stress applying mechanism 6 includes a driving member 601, a stress loading arm 602 for transferring stress of the driving member 601, and a stress acting block 603 for equally applying the stress transferred by the stress loading arm 602 to the mold detection sample, wherein the driving member 601 is used for driving the stress acting block 603 to move up and down through the stress loading arm 602, when fatigue stress needs to be applied to the mold detection sample, the driving member 601 drives the stress loading arm 602 to drive the stress acting block 603 to move down, and when a preset pressing force and time are reached, the driving member 601 drives the stress loading arm 602 to drive the stress acting block 603 to move up and to perform an intermittent operation, and the driving member 601 in this embodiment is a cylinder.

As shown in fig. 1, the control cabinet 2 is provided with a plurality of control buttons 201 for controlling the operation of the circulation pump 10 and the stress applying mechanism 6, and in actual implementation, the circulation pump 10 and the control cabinet 2 also need to be connected with a ground wire, so as to prevent electric leakage and increase use safety.

As shown in fig. 1, the dimensions of the first side plate 3 and the second side plate 4 are the same, the first side plate 3 and the second side plate 4 are parallel to each other, the first side plate 3 and the second side plate 4 of the top plate 5 are sequentially connected in an ending manner to form a U-shaped frame, the U-shaped frame is fixed on the control cabinet 2 in an upside-down manner, the driving piece 601 is fixed on the top plate 5, the driving piece 601 drives the stress loading arm 602 to drive the stress action block 603 to move up and down in the U-shaped frame, and the U-shaped frame facilitates observation of cracking conditions of the die test sample 13.

As shown in fig. 1, the top of the water tank 7 is provided with an opening, a tank cover 12 is arranged on the opening, when corrosive liquid is added into the water tank 7, the tank cover 12 is opened, after the completion, the tank cover 12 is closed, and the tank cover 12 is used for shielding the corrosive liquid, so that the safety of the device is improved.

Specific example 2:

as shown in fig. 1, compared with embodiment 1, the driving member 601 in this embodiment is a hydraulic cylinder, and the control cabinet 2 controls the hydraulic cylinder to drive the stress loading arm 602 to drive the stress acting block 603 to work, so that a user can select an air cylinder or a hydraulic cylinder according to actual situations, thereby providing multiple choices for the user and meeting the user requirements.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. A device for testing corrosion cracking resistance of a mold, characterized in that: the novel water tank is characterized by comprising a water tank and a base, wherein a control cabinet is arranged on the base, a first side plate and a second side plate are fixedly arranged on the upper portion of the control cabinet, a top plate is fixedly connected to the upper portion of the first side plate and the upper portion of the second side plate, a stress applying mechanism is arranged on the top plate, the water tank is connected with a water inlet pipe and a circulating pipe, the circulating pipe is connected with a circulating pump, and the circulating pump is connected with a water outlet pipe.

2. An apparatus for testing corrosion cracking resistance of a mold according to claim 1, wherein: the stress applying mechanism comprises a driving piece, a stress loading arm and a stress acting block, wherein the driving piece is used for driving the stress acting block to move up and down through the stress loading arm.

3. An apparatus for testing corrosion cracking resistance of a mold according to claim 1, wherein: and a plurality of control buttons are arranged on the control cabinet.

4. An apparatus for testing corrosion cracking resistance of a mold according to claim 1, wherein: the first side plate and the second side plate are identical in size, and the first side plate and the second side plate are parallel to each other.

5. An apparatus for testing corrosion cracking resistance of a mold according to claim 1, wherein: the top of the water tank is provided with an opening, and the opening is provided with a tank cover.

6. An apparatus for testing the corrosion cracking resistance of a mold according to claim 2, wherein said driving member is a cylinder or a hydraulic cylinder.