Electric spark oil groove lifting door

Abstract

The utility model discloses an electric spark oil groove lifting door which comprises an oil groove, a lifting door body, a belt, an upper belt wheel, a lower belt wheel, a door plate fixing support, a shaft, a linear guide rail and a balancing weight, the lifting door body is fixed to the belt through the door plate fixing support, and the belt surrounds the upper belt wheel and the lower belt wheel to form a transmission system; the shaft is fixed at the bottom of the oil tank, and lower belt wheels are symmetrically arranged at two ends to ensure synchronous rotation; the linear guide rail is vertically installed on the outer side of the oil groove, the balancing weight is connected with the belt through the balancing weight fixing support, the weight of the balancing weight is equal to that of the lifting door, and a gravity balance system is formed. Driving load is reduced through counterweight balance, stability is guaranteed through synchronous belt transmission, sealing strips are arranged to enhance leakproofness, and the oil groove door opening and closing control device has the advantages of being energy-saving, durable and easy to maintain and is suitable for oil groove door opening and closing control of electric spark machining equipment.

Description

Technical Field

[0001] This utility model belongs to the technical field of electrical discharge machining equipment, and specifically relates to an electrical discharge oil tank lifting door. Background Technology

[0002] In electrical discharge machining (EDM), the oil tank is used to hold the working fluid (such as kerosene), and its lifting door needs to be opened and closed frequently. Traditional oil tank doors have the following problems:

[0003] Manual operation is inconvenient: Some oil tank doors are designed with manual push-pull or hinges, which are inefficient when opening and closing frequently, and are easy to operate due to oil resistance or friction of the sealing strip.

[0004] Lack of balancing system: When the lifting door is heavy, the drive unit needs an additional load, resulting in high motor power demand, high energy consumption, and long-term use can easily wear out belts or chains.

[0005] Insufficient sealing: If the door does not fit tightly against the top of the oil tank when closed, it may cause leakage of working fluid, affecting processing accuracy or polluting the environment.

[0006] Poor synchronization: If the synchronization of a dual-pulley driven lifting door is poor, it can cause the door to tilt, get stuck, or even damage the guide rail. Summary of the Invention

[0007] The purpose of this utility model is to provide an electric spark oil tank lifting door to solve the problems mentioned in the background art.

[0008] To achieve the above objectives, this utility model provides the following technical solution: an EDM oil tank lifting door, comprising an oil tank, a lifting door, a belt, a lower pulley, an upper pulley, a door panel fixing bracket, a shaft, a linear guide rail, and a counterweight;

[0009] Both ends of the lifting door are fixed to the belt by door panel fixing brackets. The belt is wrapped around the upper pulley and the lower pulley. The rotation of the upper pulley and the lower pulley drives the lifting door to move up and down.

[0010] The shaft is fixed to the bottom of the oil tank, and lower pulleys are symmetrically fixed at both ends to ensure that the two pulleys rotate synchronously.

[0011] The linear guide rail is vertically installed on the outside of the oil tank, and the counterweight is installed on the linear guide rail and can slide up and down along it.

[0012] One end of the counterweight is fixed to the belt by a counterweight fixing bracket, and the weight of the counterweight is equal to the weight of the lifting door. The two are located on opposite sides of the belt, forming a gravity balance system.

[0013] Preferably, the upper pulley is a synchronously rotating pulley, the lower pulley is a driven pulley, and the synchronous pulley rotates synchronously via a shaft.

[0014] Preferably, the linear guide rails are symmetrically arranged on both sides of the oil tank, and the counterweight is connected to the linear guide rails by a slider.

[0015] Preferably, the belt is a synchronous belt, and the upper pulley and lower pulley are synchronous pulleys that match the synchronous belt.

[0016] Preferably, the door panel fixing bracket and the lifting door are detachably connected by bolts or clips.

[0017] Preferably, the counterweight is an adjustable counterweight, the weight of which can be adjusted by adding or removing counterweight pieces or by adjusting the counterweight material.

[0018] Preferably, the top of the oil tank is provided with a sealing strip, which is in close contact with the lifting door when it is closed.

[0019] The technical effects and advantages of this utility model are as follows:

[0020] 1. By using counterweights that are equal in weight to the lifting door and located on both sides of the belt, the load on the drive unit is significantly reduced, energy consumption is lowered, and the life of the belt and pulleys is extended; the counterweights are adjustable (e.g., by adding or removing counterweight pieces) to adapt to different door weights and ensure balance accuracy.

[0021] 2. The double pulleys are fixed by the shaft to ensure that the belts on both sides rotate synchronously and prevent the door from tilting; the linear guide rail cooperates with the slider / roller to constrain the movement trajectory of the counterweight and the door, thereby improving stability.

[0022] 3. By adding a sealing strip to the top of the oil tank, it can make tight contact with the lifting door when it is closed, thus preventing leakage of working fluid.

[0023] 4. The door panel fixing bracket is connected to the lifting door by bolts / clips, which facilitates disassembly, maintenance or replacement of the door body; the timing belt and pulley are matched, which has high transmission efficiency and is not easy to slip.

[0024] 5. It can be adapted to oil tanks of different sizes, and flexible installation can be achieved by adjusting the position of the guide rail and counterweight. Attached Figure Description

[0025] Figure 1 This is the front view of the present invention;

[0026] Figure 2 This is a rear view of the present invention;

[0027] Figure 3 This is the left view of the present invention;

[0028] Figure 4 This is the right view of the present invention;

[0029] Figure 5 This is a diagram showing the door in the open position.

[0030] Figure 6 This is a diagram showing the door in the closed position.

[0031] In the diagram: 1 - oil tank, 2 - lifting door, 3 - belt, 4 - lower pulley, 5 - door panel fixing bracket, 6 - shaft, 8 - upper pulley, 9 - linear guide rail, 10 - counterweight, 11 - counterweight fixing bracket. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] like Figure 1 - Figure 6 This invention illustrates a specific embodiment of an EDM oil tank lifting door: including an oil tank 1, a lifting door 2, a belt 3, an upper pulley 8, a lower pulley 4, a door panel fixing bracket 5, a shaft 6, a linear guide rail 9, and a counterweight 10;

[0034] Structural composition and connection relationships:

[0035] Oil tank 1: Made of stainless steel by welding, with a rubber sealing strip on the top to form a seal when it is closed with the lifting door 2;

[0036] Lifting door 2: Made of lightweight aluminum alloy, both ends are fixed to the belt 3 by door panel fixing brackets 5, and the brackets are detachably connected to the door body by bolts.

[0037] Belt drive system:

[0038] The belt 3 is a polyurethane synchronous belt, which is wrapped around the lower pulley 4 and the upper pulley 8;

[0039] Shaft 6 is fixed to the bottom of oil tank 1, and pulleys 8 are symmetrically installed at both ends to ensure synchronous rotation;

[0040] The lower pulley 4 is the driven pulley, which drives the upper pulley 8 to rotate via a motor, thereby driving the belt 3 to move.

[0041] Counterweight balancing system:

[0042] The counterweight 10 is made of cast iron and weighs the same as the lifting door 2 (approximately 15kg). It is fixed to the other side of the belt 3 by the counterweight fixing bracket 11.

[0043] The counterweight 10 slides along the linear guide rail 9, which is symmetrically installed on both sides of the oil tank 1, and rollers are used to reduce friction.

[0044] Work process

[0045] Opening the door: The motor starts, driving the upper pulley 8 to rotate clockwise, the belt 3 drives the lifting door 2 to move upward, and at the same time the counterweight 10 moves downward to achieve gravity balance;

[0046] Closing: The motor reverses, and the lifting door 2 descends to the top of the oil tank, pressing against the sealing strip to prevent leakage of working fluid;

[0047] Adjustment and maintenance

[0048] If the sliding door is replaced with a different material (such as a steel door), the balance can be adjusted by adding or removing the counterweights of counterweight block 10.

[0049] The tension of belt 3 can be adjusted by adjusting the installation position of the upper pulley 8.

[0050] Scalable solution: In large oil tanks, dual motors can be used to drive belts on both sides respectively, and the number of guide rails can be increased to enhance stability.

[0051] Technical effectiveness verification:

[0052] Energy consumption test: Compared with the traditional unbalanced system, the power consumption of the drive motor is reduced by 40%.

[0053] Sealing test: No working fluid leakage when closed, meeting IP54 protection level.

[0054] Life test: After 100,000 consecutive opening and closing cycles, there was no obvious wear on the belt and guide rail.

[0055] The applicant further declares that while the above embodiments illustrate the implementation method and apparatus structure of this utility model, this utility model is not limited to the above-described embodiments, meaning that this utility model must rely on the above methods and structures to be implemented. Those skilled in the art should understand that any improvements to this utility model, equivalent substitutions for the selected implementation methods, additions of steps, and selection of specific methods all fall within the protection and disclosure scope of this utility model.

[0056] This utility model is not limited to the above-described embodiments. All methods that use similar structures and methods to achieve the purpose of this utility model are within the protection scope of this utility model.

Claims

1. An electrospark flashboard hoist door characterized by, It includes an oil tank (1), a lifting door (2), a belt (3), a lower pulley (4), an upper pulley (8), a door panel fixing bracket (5), a shaft (6), a linear guide rail (9), and a counterweight (10). The two ends of the lifting door (2) are fixed to the belt (3) by the door panel fixing bracket (5). The belt (3) is wrapped around the upper pulley (8) and the lower pulley (4). The rotation of the upper pulley (8) and the lower pulley (4) drives the lifting door (2) to move up and down. The shaft (6) is fixed at the bottom of the oil tank (1), and the two ends are symmetrically fixed with lower pulleys (4) to ensure that the two pulleys rotate synchronously; The linear guide (9) is vertically installed on the outside of the oil tank (1), and the counterweight (10) is installed on the linear guide (9) and can slide up and down along it; One end of the counterweight (10) is fixed to the belt (3) by a counterweight fixing bracket (11), and the weight of the counterweight (10) is equal to the weight of the lifting door (2). The two are located on both sides of the belt (3) to form a gravity balance system.

2. The electric spark oil sump lift door of claim 1, wherein: The upper pulley (8) is a synchronous pulley, and the lower pulley (4) is a driven pulley. The synchronous pulley rotates synchronously through the shaft (6).

3. The electric spark oil sump liftgate of claim 1, wherein: The linear guide rail (9) is symmetrically arranged on both sides of the oil tank (1), and the counterweight (10) is connected to the linear guide rail (9) by a slider.

4. The electric spark oil sump liftgate of claim 1, wherein: The belt (3) is a synchronous belt, and the upper pulley (8) and lower pulley (4) are synchronous pulleys that match the synchronous belt.

5. The electric spark oil sump liftgate of claim 1, wherein: The door panel fixing bracket (5) and the lifting door (2) are detachably connected by bolts or buckles.

6. The electrospark flashboard hoist of claim 1, wherein: The counterweight (10) is an adjustable counterweight, the weight of which can be adjusted by adding or removing counterweight pieces or by adjusting the counterweight material.

7. The electric spark oil sump liftgate of any one of claims 1-6, characterized in that: The top of the oil tank (1) is provided with a sealing strip, and the lifting door (2) is in close contact with the sealing strip when it is closed.

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